• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:SE0950945A1
    申请号:SE0950945
    申请日:2009-12-08
    公开日:2011-06-09
    发明作者:Andreas Stark
    申请人:Vaederstad Verken Ab；
    IPC主号:
    专利说明:

    15 20 25 30 2 For example, manufacturing tools that have welded frames then requires that you have the opportunity to supply welding departments with kits that contain exactly the frame parts needed to weld the current or unique frame.
    In traditional batch production, a plurality of identical components are usually provided, which are stored at the respective location for each component type in an intermediate storage. When a frame is to be manufactured, components are picked together from different places in the warehouse to form a batch of material, which is taken to the workplace where joining is to take place.
    In the varied product flora with many designs that are common today, inventory becomes large and the risk of disposal becomes significant. It is therefore desirable that new systems are developed. All over the world, production technology development is underway under the concept of “Lean Production”, which means, among other things, that very efficient production systems are developed where “Single Piece Flow” is one of the principles.
    When supplying materials for manufacture, it is desirable to keep the stock value as low as possible. Cut parts, components, have a higher stock value than the corresponding amount of raw material. In addition, the raw material is more flexible, as it only becomes specific to a specific product when cut.
    In addition, raw materials can be sold at a higher value than components, which can normally only be sold as scrap.
    Furthermore, it is desirable that the components that are kept in stock have already been ordered, ie that cutting of components into a product should only take place when the product has been ordered.
    It is also desirable to collect components in sets of materials, for forwarding to the workplace where joining is to take place, as mentioned above.
    Finally, it is desirable to enable the highest possible degree of utilization of the raw material. This can be achieved by planning the cutting of each piece of raw material (a rod, a pipe, etc.) in relation to existing orders. Thus, when cutting a piece of raw material, components for a plurality of products can be performed in the same operation. When this happens, it is desirable to be able to distribute the cut components directly to material sets for each product. It is therefore desirable to be able to distribute components from a cutting station to a large number of material sets.
    It is known that at a machining station, such as a saw, lathe or milling cutter, a robot is used to distribute machined components one by one directly to a plurality of material batch carriers.
    Thus, there is a need for a method for fast and accurate distribution of components from a feeding station, for example a cutting station, to a large number of material batches.
    Summary An object of the present invention is thus to provide a method and system for fast and precise distribution of components from a feeding station to a large number of material batches.
    The invention is defined by the appended independent claims.
    Embodiments appear from the dependent claims, from the following description and drawings.
    According to a first aspect, a method is provided for distributing components to material batches, comprising providing at a feeding station at least two components, and arranging said components in at least one material batch carrier remote from the feeding station, so that each of said material batch carriers contains a a plurality of components that are intended to be joined together to form part of a predetermined product. The method further comprises arranging at the feeding station at least two components on a common intermediate belt carrier, moving the intermediate belt carrier to said material batch carrier, and transferring at least one of said components from the intermediate belt carrier to said material batch carrier.
    By "component" is meant an at least partially machined part, such as for example a sawn, drilled and / or laser cut part of a rod material. 10 15 20 25 30 4 A "material batch carrier" means a carrier or cohesive unit which can receive a plurality of components which together form a batch of material which is intended to be assembled to form a product or part of a product.
    "Predefined product" means products which are known to the practitioner, but the predetermined product need not be known to the practitioner to a greater extent than is necessary to carry out the procedure.
    "At a distance from" means that the material carrier is so far from the feed station that the equipment used to arrange the components on the interim carrier cannot be used to arrange the components directly in the material carrier instead.
    By using inter-belt carriers, it becomes possible to distribute a large number of components more quickly, from a plurality of feed stations to a large number of material batch carriers. The components can be moved piecemeal from the intermediate belt carrier to the material batch carrier. Alternatively, a subset, for example 2, 3, 4, 5, of components present on the intermediate belt carrier fl can be transferred simultaneously to the material batch carrier.
    The components can, at the feeding station, be arranged on said inter-belt carrier by means of a first robot. "Robot" here refers to an automated, usually numerically controlled, goods mover, with the ability to move goods without control by an operator. the intermediate belt carrier can be moved to said batch carrier by means of a second robot.
    The component can be transferred to said material batch carrier by means of a third robot. The third robot can be integrated with and / or supported by the second robot. Alternatively, the second robot may be adapted to perform both transport of the intermediate belt carrier to the material batch carrier and transfer of the component to the material batch carrier.
    The batch carrier may be in a storage rack when said component is transferred from the interim carrier to the batch carrier. 10 15 20 25 30 5 "Storage rack" refers to a structure for storing a number of material batch carriers.
    The transfer from the interim carrier to the material batch carrier can thus take place at, or in direct connection with, a storage location for the material batch carrier. This can be a "permanent" storage location, or a storage location intended for storage until the material batch is complete.
    The component can be placed in a predetermined position in the material batch carrier.
    According to one embodiment, said at least two components may be intended to be included in different products.
    According to another embodiment, said at least two components may be intended to be included in the same product.
    The components may differ significantly in shape, dimension and / or cut-out layout. "Essential" here means that they must differ more than with regard to manufacturing tolerances and manufacturing defects.
    At the feeding station, at least one processing step can be performed on at least one of said components.
    The components may be substantially elongate and have a substantially constant profile.
    According to a second aspect, there is provided a method of manufacturing an agricultural implement, comprising a method according to any one of the preceding claims.
    According to a third aspect, there is provided a system for distributing components to material batches, comprising a feeding station designed to provide at least two components, and at least one material batch carrier located at a distance from the feeding station, which is adapted in shape and size to receive a number of components intended for to be joined together to form part of a predetermined product. The system further comprises an inter-belt carrier, which is adapted in shape and size to receive said at least two components; means for automatically transferring the intermediate belt carrier to said material batch carrier, and means for transferring at least one of said components from the intermediate belt carrier to said material batch carrier. The feeding station may be arranged to perform at least one processing step on at least one of said components.
    Brief Description of the Drawings Fig. 1 shows an overview view of a material handling system.
    Fig. 2 shows a close-up of a robot pre-moving components from a cutting machine to an inter-belt carrier.
    Fig. 3 shows a close-up of a stand for intermediate belt carriers.
    Fig. 4 shows a close-up of an inter-belt carrier when transferring components to material batch carrier.
    Fig. 5 shows a close-up of a material batch carrier containing a plurality of components.
    Fig. 6 shows a frame for an agricultural implement.
    Description of embodiments Fig. 1 shows an overview view of a material handling system, which comprises a storage area 1 for raw materials, here in the form of elongate rods or pipes of metal, usually steel; a overhead crane 2 for moving raw material to a cutting station 3 comprising a cutting machine, a robot 4 for moving components 10a, 10b, 10c, 10d cut into the cutting machine to an inter-belt carrier 5a; a stand 6 adapted to receive a plurality of inter-belt carriers; a shuttle 7, for moving intermediate belt carriers 5b to a first storage rack 12, in which a plurality of incomplete material batch carriers 8 are located. Furthermore, a second storage rack 13 is shown, in which a plurality of complete material batch carriers are located. The first and second storage locations 12, 13 relate to each other in such a way that when a material batch carrier is complete, ie it contains all the parts that must be included in the idea for it to be considered ready to be sent for assembly (usually with a weld or screw / bolt joint, alternatively rivet joint), it is transferred from the first storage location 12 to the second storage location 13. This can be done by means of a separate shuttle (not shown). 10 15 20 25 30 7 The travel path of the shuttle 7 can be optimized based on knowledge of to which batch carrier each of the components is to be transferred, so that the shuttle moves the fastest / shortest possible path.
    It is possible to use several shuttles 7, which work more or less independently of each other. However, such a system requires that it be ensured that the shuttles do not collide or otherwise interfere with each other.
    Fig. 2 shows a close-up of a robot 4 for moving components 10a, 10b, 10c, 10d from a cutting machine to an inter-belt carrier.
    The cutting machine can be a 3D laser cutting machine, adapted for elongated workpieces, such as bar material, which has the ability to both cut the bar material to the right length, and cut out any holes, slits and the like. Such cutting machines can have very high capacity.
    The robot 4 grabs components that are ejected from the cutting machine. The robot may shake / turn the components to empty the scrap from the cutting process. The robot 4 places the components at predetermined positions in an inter-belt carrier 5a, which, as shown in Fig. 2, can be specially designed to receive elongate components 10a, 10b. Furthermore, a plurality of small component carriers 11 can be provided, in which one or more components which are too small to be handled by the intermediate belt carrier 5a can be placed. A plurality of small component carriers 11 can be placed on a common special intermediate belt carrier, for distribution to respective material batch carriers 8. Optionally, the intermediate belt carrier 5a may be adapted to, in addition to components, receive one or more small component carriers 11.
    Fig. 3 shows a close-up of a stand 6 for inter-belt carrier 5a. The stand 6 can be designed to receive a plurality of empty intermediate belt carriers, which are returned by the shuttle 7.
    Fig. 4 shows how a component 10c is transferred from the intermediate belt carrier 5b to a material batch carrier 8. The transfer can take place by means of a manipulator or robot 9, which may have gripping means in the form of, for example, gripping claw (s) or magnet (s). , designed to grip a component on the intermediate belt carrier 5a and lift it over to the material batch carrier 8. The robot 9 may be integrated with the shuttle 7. As indicated by the arrow A, the material batch carrier can, but must not, be pushed out of the storage rack 12, like a drawer , to facilitate the transfer of component 10c.
    Fig. 5 shows a material batch carrier 8 comprising a plurality of components 10a, 10b and a plurality of small component carriers 11. The components 10a, 10b and the small component carriers 11 may be placed in a predetermined pattern, preferably determined by an order in which the components are intended to be removed from the material batch carrier 8 in connection with a subsequent assembly step. The components may be arranged in one, two or more layers in the batch carrier, each layer being formed according to a predetermined pattern.
    The material batch carrier may be provided with one or more means of identification, such as, for example, a machine-readable label with RFID or bar code (not shown), and / or user-readable label in the form of a numerical designation or the like.
    Fig. 6 shows a frame 20 for an agricultural implement in the form of a harrow, which frame 20 comprises a middle section 21 and fold-out right and left side sections 22a, 22b, which are formed by a plurality of elongate components, which have been joined here by means of welding. In such a construction, each section 21, 22a, 22b may be formed by components of a respective batch carrier.
    It will be appreciated that the system shown herein is controlled by one or more software systems, which controls the movement of each component through the system, and which stores information about where the material handling system of each individual component is located. Thus, all measures and movements, all the way from the storage area 1 to the material batch carrier 8 can take place completely automatically, without control by an operator. 10 15 20 25 9 The description will now focus on the function of the system, with the cutting of metal rods, here square tubes of steel, into components as non-limiting examples.
    One or more metal rods are retrieved from the storage area 1 by a traverse crane 2 and fed into a 3D laser cutter 3. In this, each metal rod is measured and cutting of the rod is planned for maximum material utilization, by analyzing the need for components formed by the current metal rod. a manufacturing plan for one or more products.
    Then the metal rod is cut so that at least two, usually several, components, 10a, 10b, 10c, 10d are formed. Components 10d below a certain predetermined length are fed to small component carriers 11. Other components are gripped by the robot 4, emptied of scrap and placed in the inter-belt carrier 5a. In this case, the intermediate belt carrier may contain a plurality of components 10a, 10b, which are intended for the same product, or which are intended for different products.
    When the intermediate belt carrier 5a contains a predetermined number of components, for example is full, this is picked up by a shuttle 7. A new intermediate belt carrier is then fed forward to be filled by the robot 4.
    The shuttle 7 moves the intermediate belt carrier 5b to a first location in the first storage location 12, where a material batch carrier 8 is located.
    The material carrier is pulled out and the shuttle robot 9 lifts over a component 10c to a predetermined position in the material carrier 8. Thereafter, the robot 9 lifts over any additional components to predetermined positions in the material carrier, or feeds the material carrier back into the first storage location 12 and continues to the next location in the first storage location 12, where the procedure is repeated with one or more components.
    When the belt carrier 5b is empty, it is returned to place 6, and the shuttle 7 picks up a new belt carrier. When a material batch carrier 8 is complete, it is transferred to the second storage location 13. Alternatively, it may remain in the first storage location until it is to be forwarded for assembly.
    It is understood that the feeding station 3 can be an arbitrary processing station, or even a sorting station where incoming components are received for distribution to material batches.
    It is further understood that the method described herein and systems can be used as part of a material supply system in the factory where assembly of the components takes place. The method and system can also be used as part of a material supply system where a number of components with given properties are arranged in a material batch carrier and sent for assembly by another party, without the person carrying out the method having further knowledge of how the components are to be assembled or which product to be formed.
    权利要求:
    Claims (14)
    [1]
    A method of distributing components (10a, 10b, 10c, 10d) to material batches, comprising: providing at a feeding station (3) at least two components (10a, 10b, 10c, 10d), and arranging said components (10a, 10b, 10c, 10d) in at least one material batch carrier (8) located at a distance from the feeding station (3), so that each of said material batch carriers (8) contains a plurality of components (10a, 10b, 10c, 10d) which are intended to joined together to form a predetermined product (20), characterized in that at the feeding station (3) arranging said at least two components on a common intermediate belt carrier (5a, 5b), to move the intermediate belt carrier (5a, 5b) to said material batch carrier (8 ), and transferring at least one of said components (10a, 10b, 10c, 10d) from the intermediate belt carrier (5a, 5b) to said batch carrier (8).
    [2]
    A method according to claim 1, wherein said components (10a, 10b, 10c, 10d), at the feeding station (3), are arranged on said inter-belt carrier (5a, 5b) by means of a first robot (4).
    [3]
    A method according to any one of the preceding claims, wherein said intermediate belt carrier (5a, 5b) is moved to said material batch carrier (8) by means of a second robot (7).
    [4]
    A method according to any one of the preceding claims, wherein said component (10a, 10b, 10c, 10d) is transferred to said material batch carrier (8) by means of a third robot (9). 10 15 20 25 30 12
    [5]
    A method according to any one of the preceding claims, wherein the material batch carrier (8) is in a storage rack (12) when said component (10a, 10b, 10c, 10d) is transferred from the intermediate belt carrier (5a, 5b) to the material batch carrier (8).
    [6]
    A method according to any one of the preceding claims, wherein said component (10a, 10b, 10c, 10d) is placed at a predetermined position in the material batch carrier (8).
    [7]
    A method according to any one of the preceding claims, wherein said at least two components (10a, 10b, 10c, 10d) are intended to be included in different products.
    [8]
    A method according to any one of claims 1-6, wherein said at least two components (10a, 10b, 10c, 10d) are intended to be included in the same product.
    [9]
    A method according to any one of the preceding claims, wherein said at least two components (10a, 10b, 10c, 10d) differ substantially in shape, dimension and / or cut-out layout.
    [10]
    A method according to any one of the preceding claims, further comprising performing at least one processing step on at least one of said components (10a, 10b, 10c, 10d) at the feeding station (3).
    [11]
    A method according to any one of the preceding claims, wherein said components (10a, 10b, 10c, 10d) are substantially elongate and have a substantially constant profile.
    [12]
    A method of manufacturing an agricultural implement (20), comprising a method according to any one of the preceding claims. 10 15 20 13
    [13]
    A system for distributing components (10a, 10b, 10c, 10d) to material batches, comprising: a feeding station (3) designed to provide at least two components (10a, 10b, 10c, 10d), and at least one remote from the feeding station ( 3) located material batch carrier (8), which is adapted in shape and size to receive a plurality of components (10a, 10b, 10c, 10d) which are intended to be joined together to form part of a predetermined product (20), characterized of an intermediate belt carrier (5a, 5b), which is adapted in shape and size to receive said at least two components (10a, 10b, 10c, 10d), means (7) for automatically moving the intermediate belt carrier (5a, 5b) to said material batch carrier ( 8), and means (9) for transferring at least one of said components (10a, 10b, 10c, 10d) from the intermediate belt carrier (5a, 5b) to said material batch carrier (s).
    [14]
    A system according to claim 13, wherein said feeding station (3) is arranged to perform at least one processing step on at least one of said components (10a, 10b, 10c, 10d).
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    同族专利:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE0950945A|SE534719C2|2009-12-08|2009-12-08|Procedure and system for distribution of components to material kits|SE0950945A| SE534719C2|2009-12-08|2009-12-08|Procedure and system for distribution of components to material kits|
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    PCT/SE2010/051344| WO2011071443A1|2009-12-08|2010-12-06|Arrangement and system for distribution of components to sets of material|
    PL10836287T| PL2509898T3|2009-12-08|2010-12-06|Arrangement and system for distribution of components to sets of material|
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