Continuous stamping die

Abstract

The utility model discloses a continuous stamping die which comprises a lower die set, an upper die set and a forming assembly, the lower die set extends in the first direction, and the top of the lower die set is provided with a conveying channel. The conveying channel extends in the first direction and is used for conveying products. The upper module is arranged above the conveying channel and is parallel to the lower module in the first direction. The upper die set can move relative to the lower die set in the second direction and is matched with a stamped product. The forming assemblies are correspondingly arranged on the side, facing the conveying channel, of the lower die set and the side, facing the conveying channel, of the upper die set. The forming assembly comprises an edge cutting set, a punching set, a bending set and a blanking set which are arranged at intervals in the first direction, so that a product can be subjected to the needed forming process in sequence, various forming operations can be achieved on the same production line, transferring and manual operation of the product among different working procedures are reduced, the production continuity is improved, and the production efficiency is improved. And production stagnation caused by product transmission interruption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical tooling equipment, and particularly relates to a continuous stamping die. Background Art

[0002] A stamping die is a processing tool for processing materials (metal or non-metal) into finished products (or semi-finished products) in cold stamping processing, also known as a cold stamping die (commonly known as a cold punching die). Stamping processing is a processing method that applies pressure to materials using a die installed on a press, causing the materials to separate or plastically deform.

[0003] In the prior art, a design structure of multiple single-operation dies is usually adopted. For example, for punching, punching and trimming, trimming, forming, shaping, side punching, etc., a press and several manual operations are required respectively. The use costs of the press and labor are high, and there are great potential safety hazards. Moreover, the appearance of the product is easily damaged during the transfer process. Summary of the Utility Model

[0004] To overcome the above-mentioned drawbacks, the purpose of the utility model is to provide a continuous stamping die to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is a continuous stamping die, including:

[0006] A lower die set extending along a first direction, with a transmission channel provided at the top. The transmission channel extends along the first direction and is used for transmitting products.

[0007] An upper die set provided above the transmission channel and arranged parallel to the lower die set along the first direction. The upper die set can move relative to the lower die set along a second direction and cooperate to stamp products.

[0008] Forming components are respectively provided on one side of the lower die set facing the transmission channel and one side of the upper die set facing the transmission channel. The forming components include a trimming group, a punching group, a bending group, and a blanking group arranged at intervals along the first direction, and are used for forming the products. The first direction is perpendicular to the second direction.

[0009] The continuous stamping die provided by the utility model, by continuously arranging the trimming group, the punching group, the bending group, and the blanking group in a single die, enables the products to sequentially perform the required forming processes, can realize multiple forming operations on the same production line, reduces the transfer of products between different processes and manual operations, improves production continuity, and reduces production stagnation caused by interrupted product transmission. In addition, the modular design of the lower die set, the upper die set, and the forming components makes the assembly and maintenance of the die more convenient, facilitates the quick replacement of die components, improves production efficiency, and reduces maintenance costs.

[0010] In some embodiments, both ends of the transmission channel along the first direction include an inlet end and an outlet end. The trimming group is disposed near the inlet end and includes a plurality of trimming stations, and a trimming die is provided in each trimming station.

[0011] By adopting the above technical solution, by setting a plurality of trimming stations to perform multi-step trimming operations on a single product, and disposing the trimming group at the inlet end of the transmission channel, trimming operations can be carried out at the initial stage when the product enters the production line, which helps to reduce quality problems caused by irregular material edges in subsequent processes and improve the processing efficiency of the entire production line.

[0012] In some embodiments, the punching group includes a first idle step station, a second idle step station, and a plurality of punching stations. Along the first direction, the first idle step station is disposed on one side of the plurality of punching stations close to the trimming group, and the second idle step station is disposed on one side of the punching stations close to the bending group. A punching die is provided in each punching station.

[0013] By adopting the above technical solution, by setting idle step stations between the punching stations, space can be provided for die adjustment, maintenance, or product inspection, improving the flexibility and maintainability of the production line and facilitating necessary operations during the production process. Since the punching die is separately provided in each station, it is not necessary to disassemble the entire production line during maintenance and replacement, simplifying the maintenance work, reducing the downtime, and improving the production efficiency.

[0014] In some embodiments, the bending group includes a first bending station and a second bending station. At one end of the first bending station along the third direction, a hemming punch block is provided for bending and stamping the product. The second bending station is provided with a side sprouting die corresponding to the hemming punch block for side punching at the bent portion of the product. The first direction, the second direction, and the third direction are perpendicular to each other.

[0015] By adopting the above technical solution, by setting two bending stations, multi-step bending operations can be performed on the product, increasing the flexibility and accuracy of bending, capable of handling more complex bending requirements, and improving the forming quality of the product. The hemming punch block is used to bend and stamp the edge of the product, and a side hole is punched at the bent portion through the side sprouting die.

[0016] In some embodiments, the blanking group includes a third idle step station and a blanking station. The third idle step station is disposed close to the bending group, and the blanking station is disposed close to the outlet end. A trimming die is provided in the blanking station.

[0017] With the above technical solution, the third blanking station is arranged close to the bending group, providing a buffer area for the bent products, where product inspection or adjustment can be carried out to ensure product quality and reduce interference with subsequent processes. The blanking station is arranged close to the outlet end, and trimming and blanking are carried out through the trimming die, reducing the residence time of the products on the production line and improving the overall production efficiency.

[0018] In some embodiments, the punching station further includes a spiral forming block and a positioning slot. The spiral forming block is arranged at one end of the punching station along the third direction inside. The positioning slot is arranged on both sides of the punching station along the first direction for clamping and fixing the product for limiting.

[0019] With the above technical solution, the spiral forming block is used to form the spiral-shaped part of the product, increasing the versatility of the die and enabling the production of more complex product shapes. The positioning slot is arranged on both sides of the punching station along the first direction for clamping and fixing the product for limiting to ensure the precise positioning of the product during punching.

[0020] In some embodiments, the progressive die further includes multiple sets of guiding components. The multiple sets of guiding components are arranged at intervals between the upper die set and the lower die set and are located on both sides of the transmission channel along the third direction. Each set of guiding components includes a punching column and a receiving seat. The receiving seat is arranged on the top of the lower die set, and the punching column is correspondingly arranged at the bottom of the upper die set.

[0021] With the above technical solution, the precise cooperation between the punching column and the receiving seat ensures the accurate alignment of the upper die set and the lower die set during stamping, helping to reduce the offset and vibration of the die during stamping, thereby improving the stability of the die.

[0022] In some embodiments, the progressive die further includes a limiting component. The limiting component includes a stripper plate and multiple inner guide posts. The stripper plate is arranged at the bottom of the upper die set and is correspondingly arranged with the forming component. The trimming die, punching die, flanging punch, side tapping die and trimming die are all arranged at the bottom of the stripper plate. The multiple inner guide posts are arranged at intervals on both sides of the transmission channel along the third direction for abutting and limiting the stripper plate when the upper die set descends.

[0023] With the above technical solution, the use of the inner guide posts and the stripper plate improves the stamping accuracy and reduces product quality problems caused by inaccurate die alignment.

[0024] In some embodiments, a plurality of limiting baffles are arranged at intervals on both sides of the transmission channel along the third direction. The bottom of each limiting baffle is connected to the lower die set, and the top bends towards the transmission channel along the third direction for limiting the product.

[0025] By adopting the above technical solution, the limit baffle is used to limit the product, thereby improving the processing accuracy of the product and reducing the processing error caused by inaccurate product position. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional diagram of an embodiment of a continuous stamping die of the utility model;

[0027] Figure 2 This is a structural schematic diagram of a lower die set of an embodiment of a continuous stamping die of the utility model;

[0028] Figure 3 This is a structural schematic diagram of an upper die set of an embodiment of a continuous stamping die of the utility model;

[0029] In the figure:

[0030] 1. Continuous stamping die; 2. Lower die set; 20. Transmission channel; 21. Inlet end; 22. Outlet end; 23. Limit baffle; 3. Upper die set; 30. Inner guide column; 31. Stripping plate; 4. Forming assembly; 5. Trimming group; 50. Trimming station; 51. Cutter die; 6. Punching group; 60. First empty step station; 61. Second empty step station; 62. Punching station; 63. Punching die; 64. Positioning slot; 65. Spiral forming block; 7. Bending group; 70. First bending station; 71. Second bending station; 72. Folding punch block; 73. Side budding die; 8. Blanking group; 80. Third empty step station; 81. Blanking station; 82. Trimming die; 9. Guide assembly; 90. Stamping column; 91. Receiver. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0032] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0033] It should be noted that in the description of the present utility model, it should be noted that for the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for differential description and cannot be understood as indicating or implying relative importance. The terms "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0034] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0035] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or component referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the protection scope of the present application; the orientation words "inner, outer" refer to the inside and outside relative to the contour of each component itself.

[0036] Reference Figures 1 to 3 , Figure 1 shows a perspective view of a continuous stamping die provided by an embodiment of the present utility model; Figure 2 shows a structural schematic diagram of a lower die set in a continuous stamping die provided by an embodiment of the present utility model; Figure 3 shows a structural schematic diagram of an upper die set in a continuous stamping die provided by an embodiment of the present utility model.

[0037] Reference Figures 1 to 3 , Figure 1Shows a perspective view of a continuous stamping die 1 provided by an embodiment of the present utility model; Figure 2 Shows a schematic structural view of a lower die set 2 in a continuous stamping die 1 provided by an embodiment of the present utility model; Figure 3 Shows a schematic structural view of an upper die set 3 in a continuous stamping die 1 provided by an embodiment of the present utility model.

[0038] As Figures 1 to 3 shown, the technical solution provided by the present application is a continuous stamping die 1, including a lower die set 2, an upper die set 3 and a forming assembly 4. Among them, the lower die set 2 extends along a first direction ( Figure 1 shown as the X direction in Figure 1 ), and a transmission channel 20 is provided at the top. The transmission channel 20 extends along the first direction and is used for transmitting products. The upper die set 3 is arranged above the transmission channel 20 and is arranged parallel to the lower die set 2 along the first direction. The upper die set 3 can move relative to the lower die set 2 along a second direction (

[0039] shown as the Z direction in

[0040] ), and cooperate to stamp products. The forming assembly 4 is respectively arranged on one side of the lower die set 2 facing the transmission channel 20 and one side of the upper die set 3 facing the transmission channel 20. The forming assembly 4 includes a trimming group 5, a punching group 6, a bending group 7 and a blanking group 8 arranged at intervals along the first direction, and is used for forming and processing products. The first direction is perpendicular to the second direction. Figures 1 to 3 In some embodiments, referring to

[0041] , both ends of the transmission channel 20 along the first direction include an inlet end 21 and an outlet end 22. The trimming group 5 is arranged close to the inlet end 21 and includes a plurality of trimming stations 50. A trimming die 51 is provided in each trimming station 50.

[0042] Adopting the above technical solution, by setting a plurality of trimming stations 50, multi-step trimming operations are performed on a single product, and the trimming group 5 is arranged at the inlet end 21 of the transmission channel 20. In this way, trimming operations can be carried out at the initial stage when the product enters the production line, which helps to reduce quality problems caused by irregular material edges in subsequent processes and improve the processing efficiency of the entire production line. Figures 1 to 3, the punching group 6 includes a first idle step station 60, a second idle step station 61 and a plurality of punching stations 62. Along the first direction, the first idle step station 60 is arranged on one side of the plurality of punching stations 62 close to the trimming group 5, and the second idle step station 61 is arranged on one side of the punching stations 62 close to the bending group 7. Each punching station 62 is provided with a punching die 63.

[0043] Exemplarily, by arranging idle step stations between the punching stations 62, space can be provided for the adjustment, maintenance or product inspection of the die, improving the flexibility and maintainability of the production line and facilitating necessary operations during the production process. Since the punching die 63 is separately arranged in each station, the entire production line does not need to be disassembled during maintenance and replacement, simplifying the maintenance work, reducing the downtime and improving the production efficiency.

[0044] In some embodiments, referring to Figures 1 to 3 , the bending group 7 includes a first bending station 70 and a second bending station 71. At one end of the first bending station 70 along the third direction ( Figure 1 shown as the Y direction in

[0045] ), a hemming punch block 72 is provided for bending the stamping product. The second bending station 71 is provided with a side punching die 73 corresponding to the hemming punch block 72 for side punching at the bent part of the product. The first direction, the second direction and the third direction are perpendicular to each other.

[0046] Exemplarily, by arranging two bending stations, multi-step bending operations can be performed on the product, increasing the flexibility and accuracy of bending, capable of handling more complex bending requirements and improving the forming quality of the product. The hemming punch block 72 is used to stamp and bend the edge of the product, and the side punching die 73 punches holes at the bent part.

[0046] In some embodiments, referring to Figures 1 to 3 , the blanking group 8 includes a third idle step station 80 and a blanking station 81. The third idle step station 80 is arranged close to the bending group 7, and the blanking station 81 is arranged close to the outlet end 22. A trimming die 82 is provided in the blanking station 81.

[0047] Exemplarily, the third idle step station 80 is arranged close to the bending group 7, providing a buffer area for the bent product, where product inspection or adjustment can be carried out to ensure product quality and reduce interference with subsequent processes. The blanking station 81 is arranged close to the outlet end 22, and the trimming die 82 is used for trimming and blanking to reduce the residence time of the product on the production line and improve the overall production efficiency.

[0048] In some embodiments, referring to Figures 1 to 3, the punching station 62 further includes a spiral forming block 65 and a positioning slot 64. The spiral forming block 65 is disposed at one end of the punching station 62 along the third direction. The positioning slot 64 is disposed on both sides of the punching station 62 along the first direction for clamping and fixing the product for limiting.

[0049] Exemplarily, the spiral forming block 65 is used to form a spiral-shaped product part, increasing the versatility of the mold and enabling the production of more complex product shapes. The positioning slot 64 is disposed on both sides of the punching station 62 along the first direction for clamping and fixing the product for limiting to ensure the precise positioning of the product during punching.

[0050] In some embodiments, referring to Figures 1 to 3 , the continuous stamping die 1 further includes a plurality of guiding assemblies 9. The plurality of guiding assemblies 9 are spaced apart and disposed between the upper die set 3 and the lower die set 2 and are located on both sides of the transmission channel 20 along the third direction. Each guiding assembly 9 includes a stamping post 90 and a receiving seat 91. The receiving seat 91 is disposed on the top of the lower die set 2, and the stamping post 90 is correspondingly disposed at the bottom of the upper die set 3.

[0051] Exemplarily, the precise cooperation between the pressing post and the receiving seat 91 ensures the accurate alignment of the upper die set 3 and the lower die set 2 during stamping, helping to reduce the offset and vibration of the die during stamping, thereby improving the stability of the die.

[0052] In some embodiments, referring to Figures 1 to 3 , the continuous stamping die 1 further includes a limiting assembly. The limiting assembly includes a stripping plate 31 and a plurality of inner guide posts 30. The stripping plate 31 is disposed at the bottom of the upper die set 3 and is correspondingly arranged with the forming assembly 4. The cutting die 51, the punching die 63, the flanging punch block 72, the side punching die 73, and the trimming die 82 are all disposed at the bottom of the stripping plate 31. The plurality of inner guide posts 30 are spaced apart and disposed on both sides of the transmission channel 20 along the third direction for abutting and limiting the stripping plate 31 when the upper die set 3 descends.

[0053] Exemplarily, the cooperation between the inner guide posts 30 and the stripping plate 31 improves the stamping accuracy and reduces the product quality problems caused by inaccurate die alignment.

[0054] In some embodiments, a plurality of limiting baffles 23 are spaced apart and disposed on both sides of the transmission channel 20 along the third direction. The bottom of each limiting baffle 23 is connected to the lower die set 2, and the top bends towards the transmission channel 20 along the third direction for limiting the product.

[0055] Exemplarily, the limiting baffle 23 is used to limit the product, improving the processing accuracy of the product and reducing the processing errors caused by inaccurate product position.

[0056] The above embodiments are only for illustrating the technical concept and features of the present utility model, and the purpose is to enable those who are familiar with this technology to understand the content of the present utility model and implement it. It should not be used to limit the protection scope of the present utility model. Any equivalent changes or modifications made according to the spirit and essence of the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A continuous stamping die, characterized in that: include: A lower module extends along a first direction and has a transmission channel on the top; The transmission channel extends along the first direction and is used for transmitting products; An upper die set is disposed above the transmission channel and is arranged parallel to the lower die set along a first direction; the upper die set can move relative to the lower die set along a second direction and cooperate with stamping products; The forming components are respectively arranged on the side of the lower mold group facing the transmission channel and the side of the upper mold group facing the transmission channel; the forming components include a trimming group, a punching group, a bending group and a blanking group arranged at intervals along a first direction, which are used to perform forming processing on the product, and the first direction is perpendicular to the second direction.

2. The continuous stamping die according to claim 1, characterized in that: The two ends of the transmission channel along the first direction include an inlet end and an outlet end. The trimming group is arranged close to the inlet end and includes a plurality of trimming stations. A cutting die is arranged in each of the trimming stations.

3. The continuous stamping die according to claim 1, characterized in that: The punching group includes a first empty step station, a second empty step station and multiple punching stations; along the first direction, the first empty step station is arranged on the side of the multiple punching stations close to the trimming group, and the second empty step station is arranged on the side of the punching stations close to the bending group; each of the punching stations is provided with a punching mold.

4. The continuous stamping die according to claim 1, characterized in that: The bending group includes a first bending station and a second bending station; the first bending station is provided with a folding punch at one end along the third direction, which is used to bend and punch the product; the second bending station is provided with a side extraction mold corresponding to the folding punch, which is used to punch holes on the side of the bending part of the product, and the first direction, the second direction and the third direction are perpendicular to each other.

5. The continuous stamping die according to claim 2, characterized in that: The blanking group includes a third idle step station and a blanking station. The third idle step station is arranged close to the bending group, and the blanking station is arranged close to the outlet end. A trimming die is arranged in the blanking station.

6. The continuous stamping die according to claim 3, characterized in that: The punching station also includes a spiral forming block and a positioning slot; the spiral forming block is arranged at one end of the inside of the punching station along the third direction; the positioning slot is arranged on both sides of the punching station along the first direction, and is used to be fixed and limited with the product.

7. The continuous stamping die according to claim 1, characterized in that: It also includes multiple groups of guide components; the multiple groups of guide components are arranged between the upper mold group and the lower mold group at intervals, and are located on both sides of the transmission channel along the third direction; each group of the guide components includes a stamping column and a receiving seat, the receiving seat is arranged at the top of the lower mold group, and the stamping column is correspondingly arranged at the bottom of the upper mold group.

8. The continuous stamping die according to claim 1, characterized in that: It also includes a limiting component; the limiting component includes a stripping plate and a plurality of inner guide pillars; the stripping plate is arranged at the bottom of the upper mold group, and is arranged corresponding to the forming component, and the cutting knife mold, the punching mold, the folding punch block, the side budding mold and the trimming mold are all arranged at the bottom of the stripping plate; the plurality of inner guide pillars are arranged at intervals on both sides of the transmission channel along the third direction, and are used to abut against the stripping plate for limiting when the upper mold group descends.

9. The continuous stamping die according to claim 1, characterized in that: A plurality of limit baffles are provided at intervals on both sides of the transmission channel along the third direction, the bottom of each limit baffle is connected to the lower module, and the top is bent toward the transmission channel along the third direction for limiting the product.

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