Connector copper strip stretching mechanism

Abstract

The utility model provides a connector copper strip stretching mechanism, and belongs to the technical field of connector production. Comprising a lower die assembly and an upper die assembly arranged above the lower die assembly, the lower die assembly comprises a lower foot pad, a lower die base arranged at the top of the lower foot pad, a lower base plate arranged at the top of the lower die base and lower die plates arranged on the two sides of the top of the lower base plate, a plurality of lower die stretching insert cores are arranged at the top of each lower die plate, and stripping assemblies are arranged at the bottoms of the lower die stretching insert cores. The upper die assembly comprises an upper cover plate, an upper die base and an upper back plate. The upper die assembly ascends and descends to enable the first upper clamping plate, the second upper clamping plate and the cross-shaped inner guide column to ascend and descend, the bottom end of the cross-shaped inner guide column is inserted into the guide groove, the stretching punches of different shapes and specifications can conduct stamping and stretching work on a connector copper strip, stamping and stretching work is conducted in the die in the whole process, manpower and material cost is saved, and production efficiency is improved. And stamping and stretching of wafers and square pieces of different sizes can be compatible, high-speed and efficient stretching and stamping production is achieved, and use is flexible.

Description

Technical Field

[0001] The utility model provides a connector copper strip stretching mechanism, belonging to the technical field of connector production. Background Art

[0002] Connectors are commonly used electrical connectors, often used in industrial automation equipment, to connect power cords, sensors, actuators, and other devices. During the production process, copper strips for connectors typically require a stretching device to stamp and stretch the strips.

[0003] Existing stretching devices can generally meet the needs of use, but they can only stretch a single round piece into a cylinder or a small square piece into a directional column. They are not compatible with products that stretch round pieces of different sizes into square columns or square pieces into directional columns. Based on this, the utility model provides a connector copper strip stretching mechanism. Utility Model Content

[0004] The technical problem solved by the utility model is that it is difficult to accommodate products in which round pieces of different sizes are stretched into square columns and square pieces are stretched into steering columns.

[0005] In order to solve the technical problem, the technical solution provided by the utility model is: a connector copper strip stretching mechanism, comprising a lower mold assembly, an upper mold assembly placed above the lower mold assembly, the lower mold assembly comprising a lower pad, a lower mold base placed on the top of the lower pad, a lower pad placed on the top of the lower mold base, and a lower mold plate placed on both sides of the top of the lower pad, the top of the lower mold plate is provided with a plurality of lower mold stretching inserts, the bottom of the lower mold stretching inserts is provided with a stripping assembly, the upper mold assembly comprises an upper cover plate, an upper mold base placed on the bottom of the upper cover plate, an upper back plate placed on both sides of the bottom of the upper mold base and arranged above the lower mold plate, the bottom of the upper back plate on one side is provided with an upper splint 1, and the bottom of the upper back plate on the other side is provided with an upper pad, the bottom of the upper pad is provided with an upper splint 2, the bottoms of the upper splint 1 and the upper splint 2 are both provided with stretching punches that cooperate with the lower mold stretching inserts, and anti-stripping assemblies are provided under the stretching punches.

[0006] Furthermore, the anti-stripping assembly includes a stripper plate placed above the lower template and through which the stretching punch passes, a stopper plate placed on top of the stripper plate, and a stripper insert placed outside the stretching punch is provided at the bottom of the stripper plate.

[0007] Furthermore, the stripping assembly includes a stripping spring placed in the lower pad and the lower die base, and the top of the stripping spring is provided with a push rod that passes through the lower die and is stretched into the mold.

[0008] Furthermore, the upper cover plate is provided with a second stripping spring placed in the upper mold base and the upper back plate, the bottom of the second stripping spring is provided with a stripping rod passing through the upper clamping plate and fixedly connected to the top of the stop plate, and a third stripping spring is provided between the stop plate and the upper clamping plate.

[0009] Furthermore, the lower foot and the lower mold base are fixedly connected by screws.

[0010] Furthermore, a cross inner guide column passing through the upper clamping plate and the anti-slip assembly is provided at the bottom of the upper back plate, and a guide groove matching the cross inner guide column is provided at the top of the lower template.

[0011] Furthermore, a nitrogen spring connected to the top of the upper pad is provided in the upper cover plate.

[0012] Beneficial effects of the utility model:

[0013] The lifting of the upper die assembly causes the upper splint 1, upper splint 2, and cross inner guide pin to rise and fall. The bottom end of the cross inner guide pin is inserted into the guide groove. Stretching punches of different shapes and specifications can be used to stamp and stretch the connector copper strip. The stamping and stretching work is carried out in the die throughout the entire process, saving manpower and material costs. It is compatible with the stamping and stretching of round and square pieces of different sizes, realizing high-speed and efficient stretching and stamping production, and is flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a planar schematic diagram of a connector copper strip stretching mechanism.

[0015] Figure 2 This is a plan view of the lower die assembly of a connector copper strip stretching mechanism of the present invention.

[0016] Figure 3 This is a plan view of the upper die assembly of a connector copper strip stretching mechanism of the present invention.

[0017] 1. Lower die assembly; 2. Upper die assembly; 3. Lower pad; 4. Lower die base; 5. Lower pad; 6. Lower template; 7. Lower die stretch insert; 8. Stripper assembly; 9. Upper cover plate; 10. Upper die base; 11. Upper backing plate; 12. Upper clamping plate 1; 13. Upper pad; 14. Upper clamping plate 2; 15. Stretching punch; 16. Anti-stripping assembly; 17. Stripper plate; 18. Stop plate; 19. Stripper spring 1; 20. Ejector rod; 21. Stripper spring 2; 22. Stripper rod; 23. Screw; 24. Cross inner guide pin; 25. Stripper insert; 26. Nitrogen spring. DETAILED DESCRIPTION

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

[0019] According to the attached Figure 1 、2 As shown: The utility model provides a connector copper strip stretching mechanism: it includes a lower mold assembly 1, an upper mold assembly 2 placed above the lower mold assembly 1, the lower mold assembly 1 includes a lower pad 3, a lower mold base 4 placed on the top of the lower pad 3, a lower pad 5 placed on the top of the lower mold base 4, and a lower mold plate 6 placed on both sides of the top of the lower pad 5. The lower pad 3 and the lower mold base 4 are fixedly connected by screws 23 to play a fixing role. A plurality of lower mold stretching inserts 7 are provided on the top of the lower mold stretching insert 7, and a stripping assembly 8 is provided at the bottom of the lower mold stretching insert 7. A feeder conveyor belt is provided on one side of the lower mold assembly 1, so that the connector copper strip is transported to the top of the lower mold plate 6.

[0020] According to the attached Figure 1 、 3 As shown: the upper die assembly 2 includes an upper cover plate 9, an upper die base 10 placed at the bottom of the upper cover plate 9, and an upper back plate 11 placed on both sides of the bottom of the upper die base 10 and arranged above the lower die plate 6. An upper clamping plate 12 is provided at the bottom of the upper back plate 11 on one side, and an upper pad 13 is provided below the upper back plate 11 on the other side. A nitrogen spring 26 connected to the top of the upper pad 13 is provided in the upper cover plate 9, an upper clamping plate 2 14 is provided at the bottom of the upper pad 13, and a stretching punch 15 that cooperates with the lower die stretch insert 7 is provided at the bottom of the upper back plate 11. The top of the lower template 6 is provided with a cross inner guide column 24 that passes through the upper splint 12 and the anti-slip assembly 16. The top of the lower template 6 is provided with a guide groove that matches the cross inner guide column 24. The top of the upper cover plate 9 is connected to the telescopic rod end of the stamping cylinder. The connector copper strip to be stretched is placed on the top of the lower template 6. The stamping cylinder is started to drive the upper mold assembly 2 to rise and fall, and then the upper splint 12, the upper splint 14, and the cross inner guide column 24 are lifted and lowered. The bottom end of the cross inner guide column 24 is inserted into the guide groove, and the limit function is started. The stretching punch 15 can stamp and stretch the connector copper strip.

[0021] According to the attached Figure 3 As shown: an anti-slip component 16 is provided under the stretching punch 15, and the anti-slip component 16 includes a stripping plate 17 placed above the lower template 6 and through which the stretching punch 15 passes, and a stop plate 18 placed on the top of the stripping plate 17. A stripping insert 25 is provided at the bottom of the stripping plate 17 and is placed on the outside of the stretching punch 15. A stripping spring 21 is provided in the upper cover plate 9 and is placed in the upper die base 10 and the upper back plate 11. A stripping rod 22 is provided at the bottom of the stripping spring 21, which passes through the upper splint 12 and is fixedly connected to the top of the stop plate 18. A stripping spring 3 is provided between the stop plate 18 and the upper splint 2 14, which serves to facilitate demoulding to prevent the connector copper strip from moving upward with the stretching punch 15 after stretching is completed.

[0022] According to the attached Figure 2As shown: the stripping component 8 includes a stripping spring 19 placed in the lower pad 3 and the lower mold base 4. The top of the stripping spring 19 is provided with a push rod 20 that passes through the lower mold stretch insert 7, which serves to facilitate demolding to prevent the connector copper strip from being retained in the lower mold stretch insert 7 after stretching is completed.

[0023] Principle of the utility model

[0024] During use, a feeder conveyor belt is provided on one side of the lower die assembly 1, so that the connector copper strip is transported to the top of the lower template 6, and the top of the upper cover plate 9 is connected to the telescopic rod end of the stamping cylinder. The stamping cylinder is started to drive the upper die assembly 2 to rise and fall, thereby making the upper splint 12, the upper splint 2 14, and the cross inner guide column 24 rise and fall, and the bottom end of the cross inner guide column 24 is inserted into the guide groove. The stretching punches 15 of different shapes and specifications can be used to stamp and stretch the connector copper strip. The stamping and stretching work is carried out in the die throughout the whole process, saving manpower and material costs. It is compatible with the stamping and stretching of round and square pieces of different sizes, realizing high-speed and efficient stretching and stamping production, and is flexible to use.

[0025] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A connector copper strip stretching mechanism, comprising a lower die assembly (1) and an upper die assembly (2) placed above the lower die assembly (1), characterized in that: The lower die assembly (1) comprises a lower pad (3), a lower die base (4) placed on the top of the lower pad (3), a lower pad (5) placed on the top of the lower die base (4), and a lower template (6) placed on both sides of the top of the lower pad (5); a plurality of lower die stretching inserts (7) are provided on the top of the lower template (6); a stripping assembly (8) is provided on the bottom of the lower die stretching insert (7); the upper die assembly (2) comprises an upper cover plate (9), an upper die base (10) placed on the bottom of the upper cover plate (9), and a lower die base (10) placed on the top of the upper die base (10). ) on both sides of the bottom and arranged above the lower template (6), the upper back plate (11) on one side is provided with an upper clamping plate (12) at the bottom, and an upper pad (13) is provided below the upper back plate (11) on the other side, the upper pad (13) is provided with an upper clamping plate (14) at the bottom, the upper clamping plate (12) and the upper clamping plate (14) are both provided with a stretching punch (15) that cooperates with the lower die stretch insert (7) at the bottom, and a slip-off prevention component (16) is provided below the stretching punch (15).

2. A connector copper strip stretching mechanism according to claim 1, characterized in that: The anti-stripping assembly (16) includes a stripping plate (17) placed above the lower template (6) and through which the stretching punch (15) passes, a stopper plate (18) placed on top of the stripping plate (17), and a stripping insert (25) placed on the outside of the stretching punch (15) is provided at the bottom of the stripping plate (17).

3. The connector copper strip stretching mechanism according to claim 1, characterized in that: The stripping assembly (8) includes a stripping spring (19) placed in the lower pad (3) and the lower die base (4), and a top rod (20) is provided on the top of the stripping spring (19) that passes through the lower die and stretches into the insert (7).

4. A connector copper strip stretching mechanism according to claim 2, characterized in that: The upper cover plate (9) is provided with a second stripping spring (21) placed in the upper die base (10) and the upper back plate (11); the bottom of the second stripping spring (21) is provided with a stripping rod (22) passing through the first upper clamping plate (12) and fixedly connected to the top of the stop plate (18); a third stripping spring is provided between the stop plate (18) and the second upper clamping plate (14).

5. The connector copper strip stretching mechanism according to claim 1, characterized in that: The lower pad (3) and the lower die base (4) are fixedly connected via screws (23).

6. The connector copper strip stretching mechanism according to claim 1, characterized in that: The bottom of the upper back plate (11) is provided with a cross inner guide column (24) passing through the upper clamping plate (12) and the anti-slip assembly (16), and the top of the lower template (6) is provided with a guide groove matching the cross inner guide column (24).

7. The connector copper strip stretching mechanism according to claim 1, characterized in that: A nitrogen spring (26) connected to the top of the upper pad (13) is provided in the upper cover plate (9).

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