A stamping compound die and a stamping machine

Abstract

The present invention belongs to the field of stamping technology, specifically a stamping compound die and a stamping machine, comprising an upper die, a lower die and a storage module, the storage module comprising a storage port, a limit block and a No. 1 spring; the upper die is axially provided with a storage port; the limit block is hingedly connected to the inner wall of the storage port near the bottom of the upper die; the No. 1 spring is fixedly connected to the inner wall of the storage port corresponding to the limit block; the top of the lower die is provided with a cutting groove matching the upper die; by setting a storage module, the present invention does not need to manually collect the products after punching and cutting, thus saving manpower, reducing production processes, improving work efficiency, reducing production costs, preventing products from falling and bumping, and improving product quality.

Description

Technical Field

[0001] The invention belongs to the technical field of stamping, in particular to a stamping compound die and a stamping machine. Background Art

[0002] A compound die refers to a die structure that allows a punch press to complete multiple processes such as blanking and punching in one stroke. Blanking compound dies include blanking and punching compound dies; cutting and punching compound dies, etc.; forming compound dies include bending compound dies and compound extrusion dies; blanking and forming compound dies include blanking and drawing compound dies; punching and flanging compound dies; drawing and trimming compound dies; blanking, drawing, punching and flanging compound dies, etc.

[0003] A stamping machine generally refers to a punch press, which is a stamping press. In national production, the stamping process is more and more widely used because it saves materials and energy, is highly efficient, has low technical requirements for operators, and can produce products that cannot be achieved by mechanical processing through various mold applications.

[0004] For example, a Chinese patent with application number CN201220697543.X discloses a cold stamping compound die, including an upper die base, a lower die base, a die, a punch, a discharge plate, and a receiving plate. The die is fixed to the upper die base through a fixed plate, and the discharge plate is movably set on the fixed plate through a pin and a limit block. The punch is fixed to the lower die base, and the receiving plate is located above the lower die base and an elastic body 1 is arranged between the receiving plate and the lower die base. The elastic body 1 is two and symmetrically arranged on both sides of the punch; protrusions are arranged on the receiving plate, and the protrusions are located below the die and on both sides of the punch; in this technical solution, the products after punching need to be collected manually, which increases the working process and improves the production cost. During the punching process, the products are easy to fall off after being separated from the raw materials, causing the products to be bumped and damaged, affecting the quality of the products. Summary of the invention

[0005] In order to make up for the shortcomings of the prior art, the present invention proposes that when punching and blanking are performed through a mold, the punched products need to be collected manually, which increases the work process and improves the production cost. During the punching process, the products are easily dropped after being separated from the raw materials, causing the products to be bumped and damaged, thereby affecting the quality of the products.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows: the stamping compound die of the present invention comprises an upper die, a lower die and a storage module, the storage module comprises a storage port, a limit block and a No. 1 spring; the upper die is axially provided with a storage port; the limit block is hingedly connected to the inner wall of the storage port near the bottom of the upper die; the No. 1 spring is fixedly connected to the inner wall of the storage port corresponding to the limit block; the top of the lower die is provided with a cutting groove matching the upper die;

[0007] In the prior art, when blanking is performed by a die, the blanked products need to be collected manually, which increases the work process and the production cost. During the blanking process, the products are easily dropped after being separated from the raw materials, causing the products to be bumped and damaged, thus affecting the quality of the products.

[0008] The present invention thus provides a storage module. When punching the product, the raw material is placed on the lower die. A pressure-maintaining clamp is provided on the lower die to limit the raw material. When the upper die moves toward the lower die, the product is punched by the cutting edge of the upper die, and the punched product enters the storage port. At this time, the upper die continues to move downward and enters the cutting groove. The limit block is horizontal in the initial state. Under the support of the lower die, the product pushes the limit block, which rotates along the hinge point and squeezes the No. 1 spring, so that the product moves to the top of the limit block. When the upper die moves upward and returns to the initial position, the limit block returns to the initial state under the elastic force of the No. 1 spring, and the punched product is stored in the storage port above the limit block. When punching production is performed again, the products are stored in the storage port in sequence, so that there is no need to manually collect the punched products, which saves manpower, reduces production processes, improves work efficiency, reduces production costs, prevents products from falling and bumping, and improves product quality.

[0009] Preferably, an oil stone is sleeved between the inner walls of the storage port; the oil stone is cylindrical; during operation, when the lower die pushes the product into the storage port, the product rubs against the inner wall of the cylindrical oil stone, thereby grinding the edge of the product. In each punching work, the subsequent punching action will cause the lower die to push the product stored in the storage port, so that the oil stone can fully grind the edge of the product and prevent burrs from forming on the edge of the product, thereby improving the quality of the product, reducing the grinding process, and saving production costs.

[0010] Preferably, a pad is slidably connected between the inner walls of the cutting groove; a No. 2 spring is fixedly connected between the bottom of the pad and the inner bottom wall of the cutting groove; during operation, the upper mold pushes the pad when moving downward into the cutting groove, so that the pad squeezes the No. 2 spring, and when the upper mold is reset, the No. 2 spring rebounds to reset the pad, so that the punched edges and impurities are pushed out of the cutting groove, preventing impurities from accumulating in the cutting groove, affecting the stroke of the upper mold, and preventing the cutting edge of the upper mold from collapsing, thereby increasing the service life of the mold, saving production costs, reducing the workload of manual cleaning of the cutting groove, and improving work efficiency.

[0011] Preferably, a separation groove is provided in the middle of the lower die; the bottom of the cutting groove is connected to the separation groove; during operation, when the upper die pushes the cushion block, the cushion squeezes the gas in the cutting groove, so that the gas in the cutting groove is discharged from the separation groove, so that after the lower die pushes the product to above the limit block, the gas can push the product to continue to move up a certain distance, so that the limit block can be better reset, preventing the limit block from being stuck by the product, thereby improving stability in the production process and improving work efficiency.

[0012] A punching machine described in the present invention is suitable for the above-mentioned punching compound die, including a controller, a workbench and a slider; the slider corresponds to the workbench; a discharge port is provided at the bottom of the slider; the discharge port is adapted to the storage port; the discharge port is connected to the outside of the slider at one end away from the workbench, and a guide plate is obliquely arranged on the inner wall of the discharge port corresponding to the outside of the slider and the workbench; a No. 3 spring is fixedly connected between the guide plate and the inner wall of the discharge port; when working, the upper die is installed on the slider to connect the storage port to the discharge port, and the lower die is installed on the workbench to connect the cutting groove to the upper die Correspondingly, during production, the controller controls the slider to move downward, and the slider drives the upper die to punch the raw material. When the product stored in the storage port exceeds the volume of the storage port, when the lower die pushes the product, the product exceeding the volume of the storage port squeezes the guide plate upward and slides along the inclined guide plate. The guide plate is squeezed so that the No. 3 spring is compressed. When the upper die moves upward, the No. 3 spring rebounds and drives the guide plate to push the product exceeding the volume of the storage port, so that the product is discharged from the end of the discharge port located on the outside of the slider, thereby enabling continuous production, reducing production processes, improving work efficiency, and reducing production costs.

[0013] Preferably, the guide plate is embedded with an electromagnet away from the workbench. When working, at the end of production, the electromagnet is controlled by a controller so that the electromagnet absorbs the products that have not been discharged from the storage port, and the No. 3 spring is stretched under the action of the gravity of the product, so that the product is close to the end of the slider outside the discharge port, and then the electromagnet is powered off by the controller so that the product is discharged from the discharge port after being separated from the electromagnet, thereby facilitating the removal of all products from the storage port without disassembling the mold, saving working time, reducing labor waste, and saving production costs.

[0014] The beneficial effects of the present invention are as follows:

[0015] 1. The stamping compound die and stamping machine described in the present invention, by providing a storage module, do not need to manually collect the products after punching, thus saving manpower, reducing production processes, improving work efficiency, reducing production costs, preventing products from falling and bumping, and improving product quality.

[0016] 2. The stamping compound die and stamping machine described in the present invention are provided with an oil stone so that the oil stone can fully grind the edge of the product to prevent burrs from being generated on the edge of the product, thereby improving the quality of the product, reducing the grinding process and saving production costs.

[0017] 3. The stamping compound die and stamping machine described in the present invention are provided with a separation groove so that after the lower die pushes the product to above the limit block, the gas can push the product to continue to move up a certain distance, so that the limit block can be better reset and prevent the limit block from being stuck by the product, thereby improving the stability of the production process and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] Figure 1 is a stereogram of the present invention;

[0020] Figure 2 is a cross-sectional view of the present invention;

[0021] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 yes Figure 2 Enlarged view of point B in the middle;

[0023] Figure 5 yes Figure 2 Enlarged view of point C in the middle;

[0024] In the figure: 1. Upper die; 2. Lower die; 31. Storage port; 32. Limit block; 33. Spring No. 1; 4. Cutting groove; 41. Pad block; 42. Spring No. 2; 43. Separation groove; 5. Oil stone; 6. Slider; 61. Discharge port; 62. Guide plate; 63. Spring No. 3; 64. Electromagnet; 7. Workbench. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0026] like Figures 1 to 5 As shown, a stamping compound die of the present invention comprises an upper die 1, a lower die 2 and a storage module, wherein the storage module comprises a storage port 31, a limit block 32 and a first spring 33; the upper die 1 is axially provided with the storage port 31; the limit block 32 is hingedly connected to the inner wall of the storage port 31 and close to the bottom of the upper die 1; the first spring 33 is fixedly connected to the inner wall of the storage port 31 corresponding to the limit block 32; the top of the lower die 2 is provided with a cutting groove 4 matching the upper die 1;

[0027] In the prior art, when blanking is performed by a die, the blanked products need to be collected manually, which increases the work process and the production cost. During the blanking process, the products are easily dropped after being separated from the raw materials, causing the products to be bumped and damaged, thus affecting the quality of the products.

[0028] According to the present invention, by setting a storage module, when punching the product, the raw material is placed on the lower die 2, and a pressure-maintaining clamp is provided on the lower die 2 to limit the raw material. When the upper die 1 moves toward the lower die 2, the product is punched by the cutting edge of the upper die 1, and the punched product enters the storage port 31. At this time, the upper die 1 continues to move downward into the cutting groove 4. The limit block 32 is horizontal in the initial state. Under the support of the lower die 2, the product pushes the limit block 32, so that the limit block 32 rotates along the hinge point and squeezes the No. 1 spring. 33, so that the product moves to the top of the limit block 32. When the upper mold 1 moves upward and returns to the initial position, the limit block 32 returns to the initial state under the elastic force of the spring 33, and the punched product is stored in the storage port 31 above the limit block 32. When the punching production is carried out again, the products are stored in the storage port 31 in turn, so there is no need to manually collect the punched products, which saves manpower, reduces production processes, improves work efficiency, reduces production costs, prevents products from falling and bumping, and improves product quality.

[0029] As an embodiment of the present invention, an oil stone 5 is sleeved between the inner walls of the storage port 31; the oil stone 5 is cylindrical; during operation, when the lower die 2 pushes the product into the storage port 31, the product rubs against the inner wall of the cylindrical oil stone 5, thereby grinding the edge of the product. In each punching work, the subsequent punching action will cause the lower die 2 to push the product stored in the storage port 31, so that the oil stone 5 can fully grind the edge of the product and prevent burrs from forming on the edge of the product, thereby improving the quality of the product, reducing the grinding process, and saving production costs.

[0030] As an embodiment of the present invention, a pad 41 is slidably connected between the inner walls of the cutting groove 4; a No. 2 spring 42 is fixedly connected between the bottom of the pad 41 and the inner bottom wall of the cutting groove 4; during operation, the upper mold 1 pushes the pad 41 when moving downward into the cutting groove 4, so that the pad 41 squeezes the No. 2 spring 42, and when the upper mold 1 is reset, the No. 2 spring 42 rebounds to reset the pad 41, so that the punched edges and impurities are pushed out of the cutting groove 4, preventing impurities from accumulating in the cutting groove 4, affecting the stroke of the upper mold 1, and preventing the cutting edge of the upper mold 1 from collapsing, thereby increasing the service life of the mold, saving production costs, reducing the workload of manually cleaning the cutting groove 4, and improving work efficiency.

[0031] As an embodiment of the present invention, a separation groove 43 is opened in the middle of the lower mold 2; the bottom of the cutting groove 4 is connected to the separation groove 43; during operation, when the upper mold 1 pushes the cushion block 41, the cushion squeezes the gas in the cutting groove 4, so that the gas in the cutting groove 4 is discharged from the separation groove 43, so that after the lower mold 2 pushes the product to the top of the limit block 32, the gas can push the product to continue to move up a distance, so that the limit block 32 can be better reset, prevent the limit block 32 from being stuck by the product, improve the stability of the production process, and improve work efficiency.

[0032] A punching machine described in the present invention is suitable for the above-mentioned punching compound mold, including a controller, a workbench 7 and a slider 6; the slider 6 corresponds to the workbench 7; a discharge port 61 is provided at the bottom of the slider 6; the discharge port 61 is adapted to the storage port 31; the discharge port 61 is connected to the outer side of the slider 6 at one end away from the workbench 7, and a guide plate 62 is obliquely arranged on the inner wall of the discharge port 61 corresponding to the outer side of the slider 6 and the workbench 7; a No. 3 spring 63 is fixedly connected between the guide plate 62 and the inner wall of the discharge port 61; when working, the upper mold 1 is installed on the slider 6 to connect the storage port 31 with the discharge port 61, and the lower mold 2 is installed on the workbench 7 to make the cutting groove 4 corresponds to the upper die 1. During production, the controller controls the slider 6 to move downward, and the slider 6 drives the upper die 1 to punch the raw material. When the product stored in the storage port 31 exceeds the volume of the storage port 31, when the lower die 2 pushes the product, the product exceeding the volume of the storage port 31 presses the guide plate 62 upward and slides along the inclined guide plate 62. The guide plate 62 is squeezed to compress the No. 3 spring 63. When the upper die 1 moves upward, the No. 3 spring 63 rebounds and drives the guide plate 62 to push the product exceeding the volume of the storage port 31, so that the product is discharged from the end of the discharge port 61 located outside the slider 6, so that production can be continued, production processes can be reduced, work efficiency can be improved, and production costs can be reduced.

[0033] As an embodiment of the present invention, the guide plate 62 is embedded with an electromagnet 64 away from the workbench 7. When working, at the end of production, the electromagnet 64 is controlled by the controller so that the electromagnet 64 absorbs the products that have not been discharged from the storage port 31, and the No. 3 spring 63 is stretched under the action of the gravity of the product, so that the product is close to the end of the slider 6 outside the discharge port 61, and then the electromagnet 64 is powered off by the controller so that the product is separated from the electromagnet 64 and discharged from the discharge port 61, thereby facilitating the removal of all products from the storage port 31 without disassembling the mold, saving working time, reducing labor waste, and saving production costs.

[0034] The specific workflow is as follows:

[0035] When punching the product, the raw material is placed on the lower die 2, and a pressure-maintaining clamp is provided on the lower die 2 to limit the raw material. When the upper die 1 moves toward the lower die 2, the product is punched by the cutting edge of the upper die 1, and the punched product enters the storage port 31. At this time, the upper die 1 continues to move downward and enters the cutting groove 4. The limit block 32 is horizontal in the initial state. The limit block 32 can only rotate along the angle between the limit block 32 and the inner wall of the storage port 31 located above the limit block 32. Under the support of the lower die 2, the product pushes the limit block 32, so that the limit block 32 rotates along the hinge point and squeezes the No. 1 spring 33, so that the product moves to the top of the limit block 32. When the upper die 1 moves upward and returns to the initial position, the limit block 32 returns to its initial state under the elastic force of spring No. 1 33, and stores the punched product in the storage port 31 above the limit block 32. When punching production is performed again, the products are stored in the storage port 31 in turn. When the lower die 2 pushes the product into the storage port 31, the product rubs against the inner wall of the oilstone 5, thereby grinding the edge of the product. In each punching operation, the subsequent punching action will cause the lower die 2 to push the stored product in the storage port 31. When the upper die 1 moves downward into the cutting groove 4, it pushes the cushion block 41, so that the cushion block 41 squeezes the spring No. 2 42. When the upper die 1 is reset, the spring No. 2 42 rebounds to reset the cushion block 41, so that the punched corners and impurities are removed. When the upper die 1 pushes the cushion block 41, the cushion squeezes the gas in the cutting groove 4, so that the gas in the cutting groove 4 is discharged from the separation groove 43, so that after the lower die 2 pushes the product to above the limit block 32, the gas can push the product to continue to move up a distance, so that the limit block 32 can be better reset, the upper die 1 is installed on the slider 6, so that the storage port 31 is connected with the discharge port 61, and the lower die 2 is installed on the workbench 7, so that the cutting groove 4 corresponds to the upper die 1. During production, the slider 6 is controlled by the controller to move downward, and the slider 6 drives the upper die 1 to punch the raw material. When the product stored in the storage port 31 exceeds the volume of the storage port 31, when the lower die 2 pushes the product, it exceeds the storage port 31. The product with a certain volume squeezes the guide plate 62 upward and slides along the inclined guide plate 62. The guide plate 62 is squeezed so that the No. 3 spring 63 is compressed. When the upper mold 1 moves upward, the No. 3 spring 63 rebounds and drives the guide plate 62 to push the product that exceeds the volume of the storage port 31, so that the product is discharged from the end of the discharge port 61 located on the outside of the slider 6. At the end of production, the controller controls the electromagnet 64 so that the electromagnet 64 absorbs the product that has not been discharged from the storage port 31, and the No. 3 spring 63 is stretched under the action of the gravity of the product, so that the product is close to the end of the discharge port 61 located on the outside of the slider 6, and then the controller controls the electromagnet 64 to cut off the power, so that the product is separated from the electromagnet 64 and discharged from the discharge port 61.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A punching machine, which is suitable for a punching compound die, the punching compound die comprising an upper die (1), a lower die (2) and a storage module, the storage module comprising a storage port (31), a limit block (32) and a first spring (33); the upper die (1) is provided with an axially arranged storage port (31); the limit block (32) is hingedly connected to the inner wall of the storage port (31) and close to the bottom of the upper die (1); the first spring (33) is fixedly connected to the inner wall of the storage port (31) corresponding to the limit block (32); the top of the lower die (2) is provided with a cutting groove (4) matching the upper die (1); An oil stone (5) is sleeved between the inner walls of the storage port (31); the oil stone (5) is cylindrical; A cushion block (41) is slidably connected between the inner walls of the cutting groove (4); a second spring (42) is fixedly connected between the bottom of the cushion block (41) and the inner bottom wall of the cutting groove (4); A separation groove (43) is provided in the middle of the lower die (2); the bottom of the cutting groove (4) is connected to the separation groove (43); Features: The invention comprises a controller, a workbench (7) and a slider (6); the slider (6) corresponds to the workbench (7); a discharge port (61) is provided at the bottom of the slider (6); the discharge port (61) is matched with the storage port (31); the end of the discharge port (61) away from the workbench (7) is connected to the outside of the slider (6); a guide plate (62) is obliquely arranged on the inner wall of the discharge port (61) corresponding to the outside of the slider (6) and the workbench (6); a No. 3 spring (63) is fixedly connected between the guide plate (62) and the inner wall of the discharge port (61); An electromagnet (64) is embedded in the guide plate (62) away from the workbench (6); When punching the product, the raw material is placed on the lower die (2). A pressure-maintaining clamp is provided on the lower die (2) to limit the raw material. When the upper die (1) moves toward the lower die (2), the product is punched by the cutting edge of the upper die (1). The punched product enters the storage port (31). At this time, the upper die (1) continues to move downward and enters the cutting groove (4). The limit block (32) is horizontal in the initial state. The limit block (32) can only rotate along the angle between the limit block (32) and the inner wall of the storage port (31) located above the limit block (32). Under the support of the lower die (2), the product pushes the limit block (32), so that the limit block (32) rotates along the hinge point and squeezes the No. 1 spring (33), so that the product moves to the limit block ( When the upper die (1) moves upward to return to the initial position, the limit block (32) returns to the initial state under the elastic force of the first spring (33), and the punched product is stored in the storage port (31) above the limit block (32). When punching production is performed again, the products are stored in the storage port (31) in turn. When the lower die (2) pushes the product into the storage port (31), the product rubs against the inner wall of the oilstone (5), thereby grinding the edge of the product. In each punching operation, the subsequent punching action will cause the lower die (2) to push the product already stored in the storage port (31). When the upper die (1) moves downward into the cutting groove (4), it pushes the cushion block (41), so that the cushion block (41) squeezes The second spring (42) is pressed. When the upper die (1) is reset, the second spring (42) rebounds to reset the cushion block (41), so that the cut corners and impurities are pushed out of the cutting groove (4). When the upper die (1) pushes the cushion block (41), the cushion block (41) squeezes the gas in the cutting groove (4), so that the gas in the cutting groove (4) is discharged from the separation groove (43). After the lower die (2) pushes the product to the top of the limit block (32), the gas can push the product to continue to move up a distance, so that the limit block (32) can be reset better. The upper die (1) is installed on the slider (6) so that the storage port (31) is connected to the discharge port (61). The lower die (2) is installed on the workbench (7) so that the cutting groove (4) and the upper die (1) are connected. Correspondingly, during production, the controller controls the slider (6) to move downward, and the slider (6) drives the upper die (1) to punch the raw material. When the product stored in the storage port (31) exceeds the volume of the storage port (31), when the lower die (2) pushes the product, the product exceeding the volume of the storage port (31) presses the guide plate (62) upward and slides along the inclined guide plate (62). The guide plate (62) is squeezed so that the third spring (63) is compressed. When the upper die (1) moves upward, the third spring (63) rebounds and drives the guide plate (62) to push the product exceeding the volume of the storage port (31), so that the product is discharged from the end of the discharge port (61) located outside the slider (6). At the end of production, the controller controls the electromagnet (64).The electromagnet (64) absorbs the product that has not been discharged from the storage port (31), and the third spring (63) is stretched under the action of the product's gravity, so that the product is close to the discharge port (61) and is located at one end outside the slider (6). Then, the controller controls the electromagnet (64) to be powered off, so that the product is separated from the electromagnet (64) and discharged from the discharge port (61).

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