U-shaped PIN cold-punching die device

Abstract

The utility model relates to a U-shaped PIN cold-punching die device, and relates to the technical field of cold-punching die devices. The device comprises a base table, a feeding assembly and a pushing assembly are sequentially arranged on the base table in the feeding direction, and a lower die is arranged at the output end of the pushing assembly; a lifting assembly is further arranged on the base table, an upper die is arranged at the output end of the lifting assembly, and the upper die and the lower die are correspondingly arranged. A cutting assembly is arranged on the base and close to the lower die and used for cutting raw materials. The method has the effects of simplifying the technological process and improving the production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cold stamping die devices, in particular to a U-shaped PIN cold stamping die device. BACKGROUND

[0002] The U-shaped PIN cold stamping die device is widely used in the field of electronic component manufacturing, especially in the forming process of precision metal parts. With the increasing demand for miniaturization and lightweight of electronic products, the requirements for cold stamping die devices are also becoming higher and higher. Traditional cold stamping die equipment mostly adopts manual operation or semi-automatic mode, which can meet the basic production needs, but has obvious shortcomings in efficiency and precision. In recent years, with the development of automation technology, more and more automatic cold stamping die devices have been introduced into the production line, which significantly improves production efficiency and product quality, and reduces labor costs.

[0003] In the existing technical means, in order to realize efficient and accurate cold stamping operation, the following methods are usually adopted: one is to use a simple mechanical hand to cooperate with a pneumatic or hydraulic system for feeding and pushing, which has a simple structure but poor flexibility; two is to use a ball screw transmission mechanism controlled by a stepping motor to accurately control the position of the mold, which can realize high positioning accuracy but has high cost; three is to combine with photoelectric sensor to detect the state of raw materials, and coordinate the actions of each component through PLC control system, which can improve the intelligence and stability of the system to a certain extent, but also increases the complexity and maintenance difficulty of the system.

[0004] The existing cutting assembly often needs a separate operation step, which cannot be seamlessly connected with the cold stamping process, resulting in a relatively complicated process flow and low production efficiency. CONTENT OF THE INVENTION

[0005] In order to simplify the process flow and improve the production efficiency, the present application provides a U-shaped PIN cold stamping die device.

[0006] The U-shaped PIN cold stamping die device provided by the present application adopts the following technical scheme:

[0007] A U-shaped PIN cold stamping die device, comprising a base, a feeding assembly and a pushing assembly are sequentially arranged on the base in the feeding direction, an output end of the pushing assembly is provided with a lower mold; a lifting assembly is further arranged on the base, an output end of the lifting assembly is provided with an upper mold, and the upper mold and the lower mold are correspondingly arranged; a cutting assembly is arranged on the base close to the lower mold, and the assembly is used for cutting raw materials.

[0008] By adopting the above technical scheme, the feeding assembly is used to deliver the raw material to the upper die and the lower die, then the lifting assembly is used to drive the upper die to approach the base, then the pushing assembly is used to drive the lower die to gradually approach the upper die, so that the lower die can form a closed state with the lower die, the cold stamping die operation is completed, and finally the cutting assembly is used to cut the raw piece after the cold stamping die operation is completed, so that the whole process automation from feeding to final product is realized, and the production efficiency is significantly improved.

[0009] As a preferred, the feeding assembly comprises a feeding driving member, a clamping member, a clamping driving member and a clamping plate, the clamping member comprises a first clamping part and a second clamping part arranged oppositely; the clamping driving member is installed on the clamping member, the clamping plate is movably arranged between the first clamping part and the second clamping part, the raw material is arranged between the second clamping part and the clamping plate, and the clamping driving member is used to drive the clamping plate to approach or move away from the second clamping part.

[0010] By adopting the above technical scheme, the clamping driving member can drive the clamping plate to approach or move away from the second clamping part, so that the clamping and loosening actions of the raw material are realized, and the raw material is stably fixed between the second clamping part and the clamping plate. The feeding driving member can drive the clamping member to move as a whole, and then the raw material is accurately sent to the processing position, so that the stability of the raw material in the processing process and the accuracy of the feeding are ensured, the deviation and position error of the raw material in the processing process are reduced, and the processing precision of the product is improved.

[0011] As a preferred, the pushing assembly comprises a pushing driving member, the pushing driving member is arranged as a rodless cylinder, a sliding groove is arranged on the side of the base away from the base plate, the length direction of the sliding groove is parallel to the pushing direction, the lower die is slidably connected in the sliding groove, the output end of the pushing driving member is connected with a pushing rod, and the end of the pushing rod away from the pushing driving member is connected with the lower die.

[0012] By adopting the above technical scheme, the sliding groove provides a guide parallel to the pushing direction for the lower die, so that the lower die can stably slide on the base. The pushing rod transmits the power of the pushing driving member to the lower die, pushes the lower die to move along the predetermined pushing direction, accurately controls the position of the lower die, ensures the accurate alignment of the lower die and the upper die during the cold stamping die operation, and improves the consistency of the cold stamping die processing and the product quality.

[0013] As a preferred, the cutting assembly comprises a cutting driving member and two cutting blades, the cutting driving member is installed on the base, the output end of the cutting driving member is connected with a cutting moving table, the cutting blades are installed on the cutting moving table, a cutting sliding groove is arranged on the base, the cutting moving table is slidably connected in the cutting sliding groove, the cutting edges of the cutting blades are arranged close to the pushing assembly, and the cutting blades are respectively arranged on the opposite outer sides of the lower die.

[0014] By adopting the technical scheme, the cutting driving member drives the cutting moving table to move in the cutting sliding groove, and drives the cutting blade installed on the cutting moving table to perform cutting operation. The two cutting blades can simultaneously cut the raw material from both sides, improving the cutting efficiency and stability, and ensuring accurate and efficient cutting of the raw material after cold stamping.

[0015] As preferred, an elastic limiting strip is further included, one end of the elastic limiting strip is installed on the base, and the other end of the elastic limiting strip is located on the side of the cutting blade away from the feeding assembly.

[0016] By adopting the technical scheme, the elastic limiting strip can block the excessive displacement of the raw material in the cutting direction, ensure that the raw material remains in the appropriate position during cutting, avoid inaccurate cutting due to the displacement of the raw material, and improve the cutting precision and product quality.

[0017] As preferred, the lifting assembly includes a lifting driving member and a lifting block, the lifting driving member is installed on the base, the lifting block is installed on the output end of the lifting driving member, the lifting assembly is used to drive the lifting block to approach or move away from the base, and the lower die is arranged on the side of the lifting block close to the base.

[0018] By adopting the technical scheme, the lifting driving member drives the lifting block to approach or move away from the base, drives the upper die to move, and cooperates with the lower die to complete the cold stamping operation on the raw material.

[0019] As preferred, a material leakage hole is arranged on the base corresponding to the cutting position of the raw material.

[0020] By adopting the technical scheme, the waste material or finished part produced after cutting can fall through the material leakage hole, avoiding the accumulation of the raw material or waste material on the base after cutting.

[0021] As preferred, a collecting box is further arranged on the base corresponding to the material leakage hole.

[0022] By adopting the technical scheme, the cutting product or waste material falling from the material leakage hole can be automatically collected, further facilitating the processing of waste material and finished product, reducing the scattering of waste material and finished product, and keeping the working environment clean.

[0023] In summary, the present application has the following at least one beneficial technical effect:

[0024] 1. By setting the linkage mechanism of the feeding assembly and the pushing assembly, the stable transmission of the raw material during cold stamping is realized, and the problem of product qualification rate reduction caused by the displacement or jamming of the raw material is avoided.

[0025] 2. The cooperation of the lifting assembly and the pushing assembly ensures the accurate alignment between the upper die and the lower die, improves the forming precision of the cold stamping die, and further improves the quality of the product;

[0026] 3. The cutting assembly is closely combined with the cold stamping die process, realizes seamless connection of the cutting process, simplifies the entire process flow, and significantly improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure diagram of the embodiment of the application;

[0028] Figure 2 is a structural schematic diagram of the feeding assembly in the embodiment of the application;

[0029] Figure 3 is a structural schematic diagram of the pushing assembly and the cutting assembly in the embodiment of the application;

[0030] Figure 4 is Figure 3 is an enlarged view of part A in FIG. 6;

[0031] Figure 5 is a structural schematic diagram of the lifting assembly used for showing in the embodiment of the application;

[0032] Figure 6 is a structural schematic diagram of the lifting assembly and the upper die in the embodiment of the application;

[0033] Figure 7 is Figure 6 is an enlarged view of part B in FIG. 7;

[0034] FIG. 1 is a structural schematic diagram of the cold stamping die according to the embodiment of the application; DETAILED DESCRIPTION

[0035] The following will be described in detail in combination with the accompanying drawings. Figures 1-7 The application will be further described in detail.

[0036] The embodiment of the application discloses a U-shaped PIN cold punching die device.

[0037] Referring to Figure 1 A U-shaped PIN cold punching die device comprises a base frame 1, a base 2 is arranged on the base frame 1, a feeding assembly 3 and a pushing assembly 4 are sequentially arranged on the same side of the base 2 along a feeding direction, an output end of the pushing assembly 4 is provided with a lower die 5, and a cutting assembly 8 is arranged on the base frame 1 close to the lower die 5. A lifting assembly 6 is further arranged on the base frame 1, and an output end of the lifting assembly 6 is provided with an upper die 7, and the upper die 7 and the lower die 5 are correspondingly arranged. When raw materials 101 are fed to the upper die 7 and the lower die 5 through the feeding assembly 3, the lifting assembly 6 first drives the lower die 5 to be close to the base frame 1, and then the pushing assembly 4 drives the lower die 5 to be close to the upper die 7, so that the cold punching of the raw materials 101 is completed, and finally the cutting assembly 8 cuts the raw materials after the cold punching.

[0038] Referring to Figure 1 The base frame 1 comprises a base plate 11 and a plurality of supporting legs 12, and the base plate 11 is in the shape of a rectangular plate as a whole. The base 2 is in the shape of a cuboid plate as a whole, and the length direction face of the base 2 is parallel to the length direction face of the base plate 11. A plurality of mounting legs 21 are mounted on the side of the base 2 close to the base plate 11, the mounting legs 21 are in the shape of cylinders, and the length direction of the mounting legs 21 is perpendicular to the length direction face of the base plate 11. One end of the mounting legs 21 is fixedly mounted on the base plate 11, and the other end of the mounting legs 21 is respectively connected to the four corners of the base 2. The base frame 1 is provided with a mounting shell 14 for mounting the lifting assembly 6.

[0039] Referring to Figure 1 and Figure 2 A mounting block 22 is arranged on the side of the base 2 close to the feeding direction, the mounting block 22 is in the shape of a cuboid as a whole, a feeding sliding slot 221 is formed in the mounting block 22 along the feeding direction, and the feeding sliding slot 221 is located above the mounting block 22 away from the base plate 11. The feeding assembly 3 comprises a feeding driving member 31, a clamping member 32, a clamping driving member 33 and a clamping plate 34, and the feeding driving member 31 and the clamping driving member 33 are both arranged as air cylinders in the embodiment of the application. The clamping member 32 is in the shape of a U-shaped plate as a whole, and two ends of the clamping member 32 are respectively arranged in a first clamping part 321 and a second clamping part 322. The clamping member 32 is slidingly connected in the sliding slot, and the raw materials 101 are arranged between the first clamping part 321 and the second clamping part 322. The feeding driving member 31 is mounted on the side of the mounting block 22 away from the base 2, the output end of the feeding driving member 31 is connected to the clamping member 32, and the feeding driving member 31 is used to drive the clamping member 32 to be close to or away from the base 2. The clamping driving member 33 is mounted on the side of the clamping member 32 away from the raw materials 101, and the clamping plate 34 is movably arranged between the clamping arms. The clamping driving member is arranged close to the first clamping part 321, and the clamping driving member is used to drive the clamping plate 34 to be close to or away from the second clamping part 322.

[0040] When feeding, the raw material 101 is arranged between the second clamping part 322 and the clamping plate 34, the clamping driving element drives the clamping plate 34 to move close to the second clamping part 322 to clamp the raw material 101, and then the feeding driving element 31 drives the clamping element 32 to move close to the base 2 to complete a feeding action. The feeding process is realized by repeating the above process.

[0041] Preferably, the side of the base 2 close to the mounting block 22 is also provided with an optical sensor 35, which can be used to monitor the state of the raw material 101 in real time. Once the raw material 101 deviates from the predetermined path, an alarm is immediately sent and the feeding is stopped to avoid the production of defective products. This design greatly improves the yield of production

[0042] Referring to Figure 3 and Figure 4 , the pushing assembly 4 comprises a pushing driving element 41, which is a rodless cylinder in the embodiment. The base 2 is provided with a sliding groove 23 on the side away from the base plate 11, the length direction of the sliding groove 23 is parallel to the pushing direction, and the lower die 5 is slidingly connected in the sliding groove 23. The output end of the pushing driving element 41 is connected with a pushing rod 42, one end of the pushing rod 42 away from the pushing driving element 41 is connected with the lower die 5, so as to drive the lower die 5 to move. The lower die 5 is in the shape of a rectangular plate, and the side of the lower die 5 away from the pushing driving element 41 is in the shape of a Chinese character "N".

[0043] The cutting assembly 8 comprises a cutting driving element 81 and cutting blades 84, the cutting driving element 81 is a cylinder in the embodiment, and the cutting assembly 8 is provided with two cutting blades 84. The cutting driving element 81 is installed on the side of the base 2 away from the feeding assembly 3, and the output end of the cutting driving element 81 is connected with a connecting rod 82, one end of the connecting rod 82 away from the cutting driving element 81 is connected with a cutting moving table 83. The middle part of the connecting rod 82 is hinged to the base 2, so that the cutting driving element 81 can drive the cutting moving table 83 to move close to or away from the lower die 5 through the connecting rod 82. The side of the base 2 away from the base plate 11 is also provided with a cutting sliding groove 24, and the cutting sliding groove 24 is connected with the sliding groove 23. The cutting moving table 83 is slidingly connected in the cutting sliding groove 24, and the cutting blades 84 are arranged on the opposite sides of the cutting moving table 83 along the moving direction of the cutting moving table 83. The cutting edges of the cutting blades 84 are arranged close to the pushing assembly 4, and the cutting blades 84 are arranged on the opposite outer sides of the lower die 5. The base 2 is also provided with a material leakage hole 25, and the base plate 11 is also provided with a collection box 13 corresponding to the material leakage hole 25, which is used to collect the cut raw materials.

[0044] Preferably, the base 2 is further provided with an elastic limiting strip 85, one end of the elastic limiting strip 85 is arranged on the base 2, and the other end of the elastic limiting strip 85 is located on the side of the cutting blade 84 away from the feeding assembly 3. The elastic limiting strip 85 can block the excessive displacement of the raw material 101 in the cutting direction, ensure that the raw material 101 is kept in the appropriate position during cutting, avoid cutting inaccuracy caused by the position deviation of the raw material 101, and improve the cutting accuracy and product quality.

[0045] With reference to Figure 5 and Figure 6 , the lifting assembly 6 comprises a lifting driving member 61 and a lifting block 62, and the lifting driving member 61 is arranged as a pneumatic cylinder in the embodiment. The base frame 1 is provided with a mounting shell 14, and the base 2 is arranged on the inner side of the mounting shell 14. The mounting shell 14 is provided with a fixed table 15 and a plurality of fixed columns 16, the fixed columns 16 are in a cylindrical shape, and the length direction of the fixed columns 16 is parallel to the lifting direction of the lifting block 62. The fixed table 15 is in a cuboid shape as a whole, and the length direction of the fixed table 15 is perpendicular to the length direction of the fixed columns 16. One end of the fixed column 16 is mounted on the inner wall of the mounting shell 14 away from the base 2, and the other end of the fixed column 16 is fixedly mounted on the corner of the fixed table 15 away from the base plate 11. The central part of the fixed table 15 is provided with a lifting sliding groove, and the lifting block 62 is movably arranged in the lifting sliding groove. The lifting driving member 61 is used to drive the lifting block 62 to approach or move away from the base 2. With reference to Figure 7 , the upper die 7 is in a convex shape, and the upper die 7 is arranged on the side of the lifting block 62 close to the base 2. When the lifting driving member 61 drives the lifting block 62 to approach the base 2, the upper die 7 and the lower die 5 are correspondingly arranged.

[0046] The operation process of the embodiment is as follows: the raw material 101 is delivered to the space between the upper die 7 and the lower die 5 through the feeding assembly 3, then the upper die 7 is driven to approach the base 2 through the lifting assembly 6, and then the lower die 5 is driven to gradually approach the upper die 7 through the pushing assembly 4, so that the lower die 5 can form a closed state with the lower die 5, the cold stamping operation is completed, and finally the cutting of the raw material after the cold stamping is realized through the cutting assembly, and the cut raw material can fall into the collecting box 13 through the leakage hole 25; the whole process automation from feeding to final product is realized by repeating the above steps, and the production efficiency is significantly improved.

[0047] The implementation principle of the U-shaped PIN cold punching die device embodiment of the application is as follows: the feeding assembly 3 drives the clamping piece 32 and the clamping plate 34 through a gas cylinder, so that the raw material 101 is precisely conveyed. The pushing assembly 4 adopts a rodless cylinder, so that the lower die 5 can be smoothly moved in the horizontal direction, the friction is reduced, and the working efficiency is improved. The cutting assembly 8 realizes fast and accurate cutting action through a gas cylinder and a connecting rod mechanism, and additional operation steps are avoided. The lifting assembly 6 drives the lifting block 62 through a gas cylinder, so that the upper die 7 and the lower die 5 can be accurately butt-jointed, and the quality of the cold punching die is ensured. Overall, the utility model simplifies the process flow and improves the production efficiency.

[0048] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A U-shaped PIN cold-punching die device, characterized by: The base (2) is provided with a feeding assembly (3) and a pushing assembly (4) in sequence along the feeding direction, and the output end of the pushing assembly (4) is provided with a lower mold (5); the base (2) is further provided with a lifting assembly (6), the output end of the lifting assembly (6) is provided with an upper mold (7), and the upper mold (7) and the lower mold (5) are correspondingly arranged; the base (2) is provided with a cutting assembly (8) close to the lower mold (5), and the assembly is used for cutting raw materials (101).

2. The U-shaped PIN cold-punching die device according to claim 1, characterized in that: The feeding assembly (3) comprises a feeding driving part (31), a clamping part (32), a clamping driving part (33) and a clamping plate (34), the clamping part (32) comprises a first clamping part (321) and a second clamping part (322) arranged oppositely; the clamping driving part (33) is installed on the clamping part (32), the clamping plate (34) is movably arranged between the first clamping part (321) and the second clamping part (322), the raw material (101) is arranged between the second clamping part (322) and the clamping plate (34), and the clamping driving part (33) is used for driving the clamping plate (34) to approach or move away from the second clamping part (322).

3. The U-shaped PIN cold-punching die device according to claim 1, characterized in that: The pushing assembly (4) comprises a pushing driving part (41), the pushing driving part (41) is arranged as a rodless cylinder, the base (2) is provided with a sliding groove (23) away from the base plate (11), the length direction of the sliding groove (23) is parallel to the pushing direction, the lower mold (5) is slidably connected in the sliding groove (23), and the output end of the pushing driving part (41) is connected with a pushing rod (42), and one end of the pushing rod (42) away from the pushing driving part (41) is connected with the lower mold (5).

4. The U-shaped PIN cold-punching die device according to claim 1, characterized in that: The cutting assembly (8) comprises a cutting driving part (81) and cutting blades (84), and the cutting blades (84) are provided with two; the cutting driving part (81) is installed on the base (2), the output end of the cutting driving part (81) is connected with a cutting moving table (83), the cutting blades (84) are installed on the cutting moving table (83); the base (2) is provided with a cutting sliding groove (24), and the cutting moving table (83) is slidably connected in the cutting sliding groove (24); the cutting edges of the cutting blades (84) are arranged close to the pushing assembly (4), and the cutting blades (84) are respectively arranged on the opposite outer sides of the lower mold (5).

5. The U-shaped PIN cold-punching die device according to claim 1, characterized in that: Further comprising an elastic limiting strip (85), one end of the elastic limiting strip (85) is installed on the base (2), and the other end of the elastic limiting strip (85) is located on the side of the cutting blade (84) away from the feeding assembly (3).

6. The U-shaped PIN cold stamping die device according to claim 1, characterized in that: The lifting assembly (6) comprises a lifting driving element (61) and a lifting block (62), the lifting driving element (61) is installed on the base (2), the lifting block (62) is installed on the output end of the lifting driving element (61), the lifting assembly (6) is used for driving the lifting block (62) to be close to or away from the base (2), and the lower die (5) is arranged on the side of the lifting block (62) close to the base (2).

7. The U-shaped PIN cold-punching die device according to claim 1, characterized in that: A material leakage hole (25) is arranged on the base (2) corresponding to the cutting position of the raw material (101).

8. The U-shaped PIN cold-punching die device according to claim 7, characterized in that: A collecting box (13) is further arranged on the base (2) corresponding to the material leakage hole (25).

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