Automatic material receiving and feeding device applied to punch die

Abstract

The utility model relates to the field of automatic material receiving and feeding devices, provides an automatic material receiving and feeding device applied to a punch die, and aims to solve the problems that according to an existing material receiving method below a die blanking opening, products are prone to being damaged and deformed, the falling directions of the products are not easy to unify, the directions of the products are prone to being disordered, and the extra workload is increased. The device comprises a suction head which is used for being arranged at the position, below a mold cavity, of a lower mold plate and used for sucking a formed product in the mold cavity; the material receiving driving assembly is arranged below the suction head; one end of the connecting rod is movably arranged in the first driving end of the material receiving driving assembly, and the other end of the connecting rod penetrates out of the first driving end and is connected with the suction head; the elastic piece sleeves the end, penetrating out of the first driving end, of the connecting rod, one end of the elastic piece is connected with the suction head, and the other end of the elastic piece is connected with the first driving end; the material moving driving assembly is arranged on one side of the material receiving driving assembly; the material moving disc is arranged at the second driving end of the material moving driving assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automatic receiving and feeding device, more particularly to an automatic receiving and feeding device applied to punch die. BACKGROUND

[0002] At present, the products manufactured by punch die are generally received by the following methods. The first method is to place a discharge box below the die blanking port to collect the products. This method has great production limitations. Many products have high quality requirements, and the products cannot touch each other. In addition, this method needs to stop every time to take out the discharge box, which is very inconvenient.

[0003] The second method is to place a conveyor belt below the die blanking port, and the products fall on the conveyor belt and flow out. This method is the most common method for realizing automatic production in factories at present. However, this method is prone to cause slight damage or deformation of the products, and the falling direction of the products is not easy to unify, which can cause the direction of the products to be disordered, thereby increasing the workload of the products which need to be distinguished in direction.

[0004] Therefore, the prior art still needs to be improved. CONTENT OF THE INVENTION

[0005] The present application aims to provide an automatic receiving and feeding device applied to punch die, so as to solve the problems that the existing receiving method below the die blanking port is prone to damage the products, deform the products, and the falling direction of the products is not easy to unify, thereby increasing the workload of the products which need to be distinguished in direction.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the embodiments of the present application is:

[0007] An automatic receiving and feeding device applied to punch die, comprising:

[0008] a suction head, which is arranged below the lower die plate located in the die cavity and is used to suck the shaped products in the die cavity;

[0009] a receiving and feeding driving assembly arranged below the suction head;

[0010] a connecting rod, one end of which is movably arranged in the first driving end of the receiving and feeding driving assembly, the other end of which passes through the first driving end and is connected with the suction head;

[0011] a resilient member, which is sleeved on the end of the connecting rod passing through the first driving end, one end of the resilient member being connected with the suction head and the other end being connected with the first driving end;

[0012] a material moving driving assembly arranged on one side of the receiving and feeding driving assembly;

[0013] A material moving disc is arranged on the second driving end of the material moving driving assembly, and at least one product placing groove is formed through the material moving disc, and the product placing groove is used for placing the molded product on the suction head.

[0014] According to the automatic feeding device applied to the punch die, the size of the suction head is smaller than that of the product placing groove, and the size of the molded product is smaller than that of the product placing groove.

[0015] According to the automatic feeding device applied to the punch die, the automatic feeding device comprises a bottom plate, and a base is fixedly arranged on the bottom plate.

[0016] A first driving member is arranged on the bottom plate;

[0017] A gear is arranged on the first driving end of the first driving member;

[0018] A hollow rack is slidably arranged on the base and engaged with the gear;

[0019] One end of a connecting rod is movably arranged in the hollow rack, and the other end of the connecting rod is arranged outside the hollow rack and connected with the suction head.

[0020] According to the automatic feeding device applied to the punch die, the material feeding driving assembly further comprises:

[0021] A speed reducer is connected with the first driving end of the first driving member at one end and connected with the gear at the other end.

[0022] According to the automatic feeding device applied to the punch die, first limiting grooves are formed through the two sides of the connecting rod, and second limiting grooves corresponding to the first limiting grooves are formed through the hollow rack, and the automatic feeding device further comprises:

[0023] Two positioning pins are fixed to the hollow rack at one end and arranged in the connecting rod in sequence through the corresponding second limiting grooves and the first limiting grooves at the other end.

[0024] According to the automatic feeding device applied to the punch die, the material moving driving assembly comprises:

[0025] A second driving member is arranged on the bottom plate;

[0026] A synchronous wheel is rotatably arranged on the bottom plate and located on one side of the second driving member;

[0027] A synchronous belt is connected with the second driving end of the second driving member at one end and connected with the synchronous wheel at the other end;

[0028] A guide rail is arranged on the bottom plate and located on one side of the synchronous belt;

[0029] The connecting component has one end connected to the timing belt and the other end connected to the guide rail, and the transfer tray is set on the connecting component.

[0030] According to the above-described automatic feeding device for punching dies, the connecting components include:

[0031] The slider is slidably mounted on the guide rail;

[0032] The first connecting plate has one end connected to the slider and the other end connected to the timing belt;

[0033] The second connecting plate is connected to the first connecting plate, and the transfer tray is connected to the second connecting plate.

[0034] According to the automatic feeding device for punching die described above, the shape of the second connecting plate can be set as an L-shaped plate.

[0035] According to the automatic feeding device for punching die described above, both the material transfer drive component and the material transfer tray are configured as two.

[0036] According to the automatic feeding device for punching die described above, there are two product placement slots.

[0037] The beneficial effects of the automatic feeding device for punch press dies provided in this application are at least as follows:

[0038] In this application, the transfer tray is first moved to directly above the suction head by the transfer drive assembly. The suction head passes through the product placement slot and is positioned below the mold cavity via the lower template. When the upper template is pressed down and merges with the lower template, it applies a downward force to the suction head on the lower template, causing the elastic element to be compressed and possess an upward elastic force. Thus, when the product in the mold cavity is formed, the lower template separates from the upper template, opening the mold cavity. At this time, the upward elastic force of the suction head due to the elastic element is released. When the formed product on the mold cavity falls onto the suction head below the mold cavity, it falls into the suction head under the action of the elastic element. The molded product on the head receives a certain amount of cushioning force, making it less likely to be damaged or deformed. The upward elastic force drives the suction head to move upward, so that the molded product is more tightly connected to the suction head and easier to separate from the upper template. The suction head drives the molded product on it to move downward through the material receiving drive component until it passes through the product placement slot and leaves the molded product in the product placement slot to complete the material receiving of the molded product. It can be foreseen that the direction of the molded product in the product placement slot will always remain consistent. The molded product placed in the product placement slot will be moved to the outside by the material transfer drive component. Attached Figure Description

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0040] Figure 1 A structural schematic diagram of one of the angles in an automatic feeding device applied to a punch die provided by the embodiments of the present application.

[0041] Figure 2 A structural schematic diagram of another angle in an automatic feeding device applied to a punch die provided by the embodiments of the present application.

[0042] Figure 3 A structural schematic diagram of still another angle in an automatic feeding device applied to a punch die provided by the embodiments of the present application.

[0043] Figure 4 A partial structural schematic diagram of one of the angles in an automatic feeding device applied to a punch die provided by the embodiments of the present application.

[0044] Figure 5 A partial structural schematic diagram of another angle in an automatic feeding device applied to a punch die provided by the embodiments of the present application.

[0045] Figure 6 A structural schematic diagram of Figure 5 A structural schematic diagram of the base.

[0046] Figure 7 A structural schematic diagram of Figure 6 An exploded view.

[0047] In the drawings, various reference signs represent:

[0048] 1, suction head; 2, feeding driving assembly; 21, first driving member; 22, gear; 23, hollow rack; 231, second limiting groove; 24, speed reducer; 3, connecting rod; 31, first limiting groove; 4, elastic member; 5, material moving driving assembly; 51, second driving member; 52, synchronous wheel; 53, synchronous belt; 54, guide rail; 55, connecting assembly; 551, sliding block; 552, first connecting plate; 553, second connecting plate; 6, material moving disc; 61, product placing groove; 7, bottom plate; 71, base; 711, through hole; 72, synchronous wheel seat; 8, in-place detection assembly; 81, groove photoelectric switch; 82, connecting member; 83, sensing sheet; 9, formed product. DETAILED DESCRIPTION

[0049] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application.

[0050] It should be noted that when a component is referred to as "fixed to" or "disposed on" another component, it can be directly or indirectly on the other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to the other component. The terms "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or position based on the orientation or position shown in the drawings, and are only for convenience of description, and cannot be understood as a limitation on the technical solutions. The terms "first", "second" are only for the purpose of convenient description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0051] At present, the products manufactured by the punch die are generally received by the following methods. The first method is to place a discharge box below the die blanking port to collect the products. This method has great production limitations, and many products have high quality requirements, and the products cannot touch each other. In addition, this method needs to stop every time to take out the discharge box, which is very inconvenient.

[0052] The second method is to place a conveyor belt below the die blanking port, and the products fall on the conveyor belt and flow out. This method is the most common method for realizing automatic production in factories at present, but this method is prone to cause slight damage or deformation of the products, and the falling direction of the products is not easy to unify, which can easily cause the direction of the products to be disordered, thereby increasing the workload of the products which need to be distinguished in direction.

[0053] Therefore, with reference to Figure 1The automatic material receiving device applied to the punch die provided by the embodiment of the application comprises a suction head 1, a material receiving driving assembly 2, a connecting rod 3, an elastic element 4, a material moving driving assembly 5 and a material moving disc 6. The suction head 1 is arranged below the lower die plate below the die cavity and is used to suck the molded product 9 in the die cavity. The material receiving driving assembly 2 is arranged below the suction head 1. One end of the connecting rod 3 is movably arranged in the first driving end of the material receiving driving assembly 2, the other end of the connecting rod 3 penetrates the first driving end and is connected with the suction head 1. The elastic element 4 is sleeved on the end of the connecting rod 3 penetrating the first driving end. One end of the elastic element 4 is connected with the suction head 1 and the other end of the elastic element 4 is connected with the first driving end. The material moving driving assembly 5 is arranged on one side of the material receiving driving assembly 2. The material moving disc 6 is arranged on the second driving end of the material moving driving assembly 5. At least one product placing groove 61 is arranged through the material moving disc 6. The product placing groove 61 is used to place the molded product 9 on the suction head 1.

[0054] In the embodiment, the material moving disc 6 is first moved to the upper side of the suction head 1 by the driving of the material moving driving assembly 5. The suction head 1 is arranged below the lower die plate below the die cavity through the product placing groove. When the upper die plate is pressed and combined with the lower die plate, a certain downward pressing force is applied to the suction head 1 on the lower die plate. The elastic element 4 is compressed and has an upward elastic force. When the product in the die cavity is molded, the lower die plate is separated from the upper die plate to open the die cavity. At this time, the upward elastic force of the suction head 1 caused by the elastic element 4 is released. When the molded product on the die cavity falls into the suction head 1 below the die cavity, the molded product falling into the suction head 1 is subjected to a certain buffering force under the action of the elastic element 4, so that the molded product is not easily damaged and deformed. The upward elastic force drives the suction head 1 to move upward, so that the molded product is more closely connected with the suction head 1 and is easily separated from the upper die plate. The suction head 1 drives the molded product on the suction head 1 to move downward through the material receiving driving assembly 2, until the molded product penetrates the product placing groove and is left in the product placing groove, so as to complete the material receiving of the molded product. It can be predicted that the direction of the molded product left in the product placing groove is always consistent. The molded product placed in the product placing groove is moved to the outside through the material moving driving assembly 5.

[0055] Optionally, referring to Figure 1 In an embodiment, the size of the suction head 1 is smaller than the size of the product placing groove 61, and the size of the molded product 9 is smaller than the size of the product placing groove 61. The above arrangement is used to ensure that the suction head 1 can penetrate into or out of the product placing groove 61 and leave the molded product 9 in the product placing groove 61.

[0056] Optionally, referring to Figure 1 In an embodiment, the automatic material receiving device comprises a bottom plate 7. The fixed end of the material receiving driving assembly 2 and the fixed end of the material moving driving assembly 5 are arranged on the bottom plate 7.

[0057] Optionally, referring toFigure 1 、 Figure 6 and Figure 7 In an embodiment, the base plate 7 is fixedly provided with a base 71, the material receiving driving assembly 2 comprises a first driving member 21, a gear 22 and a hollow rack 23, the fixed end of the first driving member 21 is arranged on the base plate 7, the gear 22 is arranged on the first driving end of the first driving member 21 penetrating through the base 71, the hollow rack 23 is slidingly arranged in the base 71 and engaged with the gear 22, and one end of the connecting rod 3 is movably arranged in the hollow rack 23 and the other end penetrates through the hollow rack 23 and is connected with the suction head 1.

[0058] In this embodiment, the first driving member 21 drives the gear 22 to rotate, so as to drive the hollow rack 23 to ascend or descend, thereby driving the connecting rod 3 on the hollow rack 23 and the suction head 1 on the connecting rod 3 to ascend or descend. The suction head 1 ascends to the lower die plate below the mold cavity to suck the molded product, or the suction head 1 descends to place the molded product into the product placing groove 61 of the material moving disc 6.

[0059] Optionally, in an embodiment, the first driving member 21 can be a servo motor.

[0060] Optionally, referring to Figure 6 and Figure 7 In an embodiment, the material receiving driving assembly 2 further comprises a speed reducer 24, one end of the speed reducer 24 is connected with the first driving end of the first driving member 21 and the other end is connected with the gear 22.

[0061] Optionally, referring to Figure 6 and Figure 7 In an embodiment, first limiting grooves 31 are penetratingly arranged on both sides of the connecting rod 3, second limiting grooves 231 corresponding to the first limiting grooves 31 are penetratingly arranged on the hollow rack 23, and the automatic material receiving device further comprises two positioning pins (not shown in the figure), one end of each of the two positioning pins is fixed on the hollow rack 23 and the other end penetrates through the corresponding second limiting groove 231 and the first limiting groove 31 in sequence and is arranged in the connecting rod 3. In this embodiment, the above-mentioned arrangement limits the movement distance of the connecting rod 3 relative to the hollow rack 23, so as to ensure that the elastic member 4 has a certain elastic range and is not easy to be excessively deformed, thereby improving the service life.

[0062] Optionally, in an embodiment, the elastic member 4 can be a spring.

[0063] Optionally, referring to Figure 1 and Figure 2In an embodiment, the material moving driving assembly 5 comprises a second driving member 51, a synchronous wheel 52, a synchronous belt 53, a guide rail 54 and a connecting assembly 55. The fixed end of the second driving member 51 is arranged on the bottom plate 7. The synchronous wheel 52 is arranged rotatably on the bottom plate 7 and located at one side of the second driving member 51. One end of the synchronous belt 53 is connected with the second driving end of the second driving member 51 and the other end is connected with the synchronous wheel 52. The guide rail 54 is arranged on the bottom plate 7 and located at one side of the synchronous belt 53. One end of the connecting assembly 55 is connected with the synchronous belt 53 and the other end is connected with the guide rail 54. The material moving disc 6 is arranged on the connecting assembly 55.

[0064] In the embodiment, the second driving member 51 drives the synchronous belt 53 to rotate, thereby driving the movement of the connecting assembly 55 and the material moving disc 6 on the connecting assembly 55. It can be foreseen that, in the embodiment, the guide rail 54 is arranged to increase the support area of the connecting assembly 55 and the material moving disc 6 on the connecting assembly 55, thereby making the connecting assembly 55 and the material moving disc 6 on the connecting assembly 55 more stable when moving.

[0065] Optionally, in an embodiment, the second driving member 51 can be a servo motor.

[0066] Optionally, referring to Figure 2 In an embodiment, the bottom plate 7 is arranged with a synchronous wheel seat 72. The synchronous wheel 52 is arranged rotatably on the synchronous wheel seat 72. In the embodiment, the synchronous wheel seat 72 is arranged to facilitate the installation of the synchronous wheel 52 on the bottom plate 7.

[0067] Optionally, referring to Figure 2 and Figure 3 In an embodiment, the connecting assembly 55 comprises a sliding block 551, a first connecting plate 552 and a second connecting plate 553. The sliding block 551 is arranged slidably on the guide rail 54. One end of the first connecting plate 552 is connected with the sliding block 551 and the other end is connected with the synchronous belt 53. The second connecting plate 553 is connected with the first connecting plate 552. The material moving disc 6 is connected with the second connecting plate 553.

[0068] Optionally, referring to Figure 3 In an embodiment, the second connecting plate 553 can be arranged in the shape of an L-shaped plate.

[0069] Optionally, referring to Figure 1 In an embodiment, the product placing groove 61 on the material moving disc 6 can be arranged in multiple numbers. In the embodiment, the product placing groove 61 is arranged in two numbers. It can be foreseen that, compared with arranging only one product placing groove, the embodiment can improve the pick-up efficiency of the formed product by arranging the product placing groove 62 in two numbers.

[0070] Optionally, referring to Figure 1In an embodiment, the material moving driving assembly 5 and the material moving disc 6 can be provided in two. The material receiving driving assembly 2 can be provided on the middle of the front side of the base plate 7, and the two material moving driving assemblies 5 can be provided on the two ends of the rear side of the base plate 7 respectively.

[0071] In the embodiment, two material moving driving assemblies 5 and two material moving discs 6 are provided. In the process that one of the material moving driving assemblies 5 receives the molded products on the suction head 1 by the material moving disc 6 thereon and then sends the molded products to the outside, the material moving disc 6 of the other material moving driving assembly 5 can receive the molded products on the suction head 1. Compared with the case that only one material moving driving assembly 5 and one material moving disc 6 are provided, the embodiment can improve the receiving and sending efficiency of the molded products.

[0072] Optionally, referring to Figure 1 、 Figure 4 、 Figure 5 and Figure 6 In an embodiment, the automatic material receiving device further comprises a position detection assembly 8 provided on one side of the hollow rack 23 and connected with the hollow rack 23. The position detection assembly 8 is used for detecting the lifting origin of the hollow rack 23.

[0073] Optionally, referring to Figure 4 、 Figure 5 and Figure 6 In an embodiment, the base 71 is provided with a through hole 711 on the side away from the first driving member 21. The position detection assembly 8 comprises a slot photoelectric switch 81, a connecting member 82 and a sensing sheet 83. The slot photoelectric switch 81 is provided on the side of the base 71 away from the first driving member 21 and is electrically connected with the first driving member 21. One end of the connecting member 82 is connected with the hollow rack 23, and the sensing sheet 83 is connected with the end of the connecting member 82 penetrating through the through hole 711 and is located directly above the slot photoelectric switch 81.

[0074] Since the sensing sheet 83 is provided on the hollow rack 23 through the connecting member 82, when the hollow rack 23 moves downward by the driving of the first driving member 21, the sensing sheet 83 also moves downward. When the sensing sheet 83 drops into the sensing area of the slot photoelectric switch 81, the slot photoelectric switch 81 detects that the hollow rack 23 is located at the lifting origin at this time, which causes the first driving member 21 to stop driving. In this way, the hollow rack 23 can be prevented from colliding with the base 71 or the base plate 7 due to excessive dropping, thereby preventing damage to the hollow rack 23.

[0075] In summary, the application provides an automatic receiving device for punch die, which comprises a suction head 1, a receiving drive assembly 2, a connecting rod 3, an elastic element 4, a material moving drive assembly 5 and a material moving disc 6. The suction head 1 is arranged below the lower die plate below the die cavity and is used to suck the molded product in the die cavity. The receiving drive assembly 2 is arranged below the suction head 1. One end of the connecting rod 3 is movably arranged in the first drive end of the receiving drive assembly 2, the other end of the connecting rod 3 penetrates the first drive end and is connected with the suction head 1. The elastic element 4 is sleeved on the end of the connecting rod 3 penetrating the first drive end. One end of the elastic element 4 is connected with the suction head 1, and the other end is connected with the first drive end. The material moving drive assembly 5 is arranged on one side of the receiving drive assembly 2. The material moving disc 6 is arranged on the second drive end of the material moving drive assembly 5. At least one product placing groove is formed through the material moving disc 6, and the product placing groove is used to place the molded product on the suction head 1. In the application, the material moving disc 6 is first moved to the upper side of the suction head 1 by the driving of the material moving drive assembly 5. The suction head 1 is arranged below the lower die plate below the die cavity by penetrating the product placing groove. When the upper die plate is pressed and combined with the lower die plate, a certain downward pressure is applied to the suction head 1 on the lower die plate, so that the elastic element 4 is compressed and has an upward elastic force. When the product in the die cavity is molded, the lower die plate is separated from the upper die plate to open the die cavity. At this time, the upward elastic force of the suction head 1 caused by the elastic element 4 is released. When the molded product on the die cavity falls into the suction head 1 below the die cavity, the molded product falling into the suction head 1 is subjected to a certain buffering force under the action of the elastic element 4, so that the molded product is not easy to be damaged and deformed. The upward elastic force drives the suction head 1 to move upward, so that the molded product and the suction head 1 are more closely connected, and are easy to be separated from the upper die plate. The suction head 1 drives the molded product on it to move downward by the receiving drive assembly 2, until it penetrates the product placing groove and leaves the molded product in the product placing groove, so as to complete the receiving of the molded product. It can be predicted that the direction of the molded product left in the product placing groove remains consistent. The molded product placed in the product placing groove is moved to the outside by the material moving drive assembly 5.

[0076] The above merely describes the preferred embodiments of the application and is not intended to limit the application. Any modification, equivalent replacement and improvement made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. An automatic pick-up feed device for punch dies, characterized by, The application relates to an automatic material receiving and feeding device. The device comprises a suction head arranged below a lower die plate and used for sucking a molded product in a mold cavity; a material receiving and feeding driving assembly arranged below the suction head; a connecting rod, one end of which is movably arranged in a first driving end of the material receiving and feeding driving assembly and the other end of which passes through the first driving end and is connected with the suction head; an elastic member sleeved on one end of the connecting rod passing through the first driving end, one end of the elastic member being connected with the suction head and the other end being connected with the first driving end; a material moving driving assembly arranged on one side of the material receiving and feeding driving assembly; and a material moving disc arranged on a second driving end of the material moving driving assembly, at least one product placing groove being arranged through the material moving disc and used for placing the molded product on the suction head. The size of the suction head is smaller than that of the product placing groove, and the size of the molded product is smaller than that of the product placing groove. The automatic material receiving and feeding device comprises a bottom plate, a base being fixedly arranged on the bottom plate, and the material receiving and feeding driving assembly comprises a first driving member, a fixed end of the first driving member being arranged on the bottom plate; a gear arranged on a first driving end of the first driving member; a hollow rack slidably arranged on the base and engaged with the gear; and the connecting rod, one end of the connecting rod being movably arranged in the hollow rack and the other end of the connecting rod passing through the hollow rack and being connected with the suction head. The material receiving and feeding driving assembly further comprises a speed reducer, one end of the speed reducer being connected with the first driving end of the first driving member and the other end of the speed reducer being connected with the gear. First limiting grooves are arranged through the connecting rod, second limiting grooves corresponding to the first limiting grooves are arranged through the hollow rack, and the automatic material receiving and feeding device further comprises two positioning pins, one end of each of the two positioning pins being fixed on the hollow rack, the other end of each of the two positioning pins sequentially passing through the corresponding second limiting groove and the first limiting groove and being arranged in the connecting rod. The material moving driving assembly comprises a second driving member, a fixed end of the second driving member being arranged on the bottom plate; a synchronous wheel rotatably arranged on the bottom plate and located on one side of the second driving member; a synchronous belt, one end of the synchronous belt being connected with a second driving end of the second driving member and the other end of the synchronous belt being connected with the synchronous wheel; a guide rail arranged on the bottom plate and located on one side of the synchronous belt; a connecting assembly, one end of the connecting assembly being connected with the synchronous belt and the other end of the connecting assembly being connected with the guide rail, and the material moving disc being arranged on the connecting assembly.

2. The automatic blank holder device for punch die according to claim 1, wherein The connecting assembly comprises a sliding block slidably arranged on the guide rail; a first connecting plate, one end of the first connecting plate being connected with the sliding block and the other end of the first connecting plate being connected with the synchronous belt; and a second connecting plate connected with the first connecting plate, and the material moving disc being connected with the second connecting plate.

3. The automatic blank holder device for punch die according to claim 1, wherein The second connecting plate can be provided in the form of an L-shaped plate. The material moving driving assembly and the material moving disc are both provided in two. The product placing grooves are provided in two. ​ ​ 4. The automatic pick-up feed device for punch dies according to claim 3, characterized in that, ​ ​ 5. The automatic pick-up feed device for punch dies according to claim 3, wherein ​ ​ 6. The automatic blank holder device for punch die according to claim 3, wherein ​ ​ ​ ​ ​ ​ 7. The automatic pick-up feed device for punch dies according to claim 6, characterized in that, ​ ​ ​ ​ 8. The automatic pick-up feed device for punch dies according to claim 7, characterized in that, ​ 9. The automatic blank holder device for punch die according to claim 1, wherein ​ 10. The automatic blank holder device for punch die according to claim 1, wherein ​

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