A pin bending and cutting fixture for a circulator isolator

By designing a pin bending and cutting fixture for the circulator isolator, and using a cylinder to drive automatic bending and cutting, the problem of solder wire contamination and waste in manual soldering is solved, achieving efficient saving of material strip costs and improving product appearance quality.

CN116351977BActive Publication Date: 2025-10-31SOUTHWEST INST OF APPLIED MAGNETICS
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Patent Information

Application Number
CN202310323568.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-29
Publication Date
2025-10-31
Estimated Expiration
2043-03-29

AI Technical Summary

Technical Problem

The existing circulator isolators have the problem of solder wire and flux splattering during manual soldering, which contaminates the product appearance and produces waste material, resulting in high costs.

Method used

Design a pin bending and cutting fixture for a circulator isolator, including a cutter holder, bending knife, pressure knife, guide sleeve, cutting edge unit, blanking drawer and base plate. Automatic bending and cutting of pins is achieved by cylinder drive to avoid waste generation.

Benefits of technology

This technology enables efficient bending and cutting of circulator isolator pins, saving material strip costs, reducing waste generation, and improving production efficiency and product appearance quality.

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Abstract

This invention discloses a pin bending and cutting fixture for a circulator isolator, belonging to the field of circulator isolator processing. It includes a cutter holder (4), a bending knife (7), a pressing knife (10), a guide sleeve (11), a cutting edge unit (16), a blanking drawer (20), and a base plate (23). Cylinder A (1) is connected to the cutter holder (4), cylinder B (6) is connected to the bending knife (7), cylinder C (13) is connected to the guide sleeve (11), the pressing knife (10) is connected to cylinder A (1) and cylinder B (6) respectively, the cutting edge unit (16) is connected to the guide sleeve (11), and the blanking drawer (20) is set on the base plate (23) and located below the cutting edge unit (16). The fixture of this invention can realize pin bending and cutting of circulators / isolators. It can operate on strip materials. The whole process generates no waste. It can cut the length as needed, saving the cost of incoming materials.
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Description

Technical Field

[0001] This invention relates to the field of circulator isolator processing, and more particularly to a pin bending and cutting fixture for circulator isolators. Background Technology

[0002] Currently, surface-mount circulators and isolators are needed in the communications industry. These products currently employ manual soldering of the inner conductor. However, during manual soldering, the flux in the solder wire can cause solder spatter, resulting in solder joints adhering to the outer surface and contaminating the product, causing poor appearance. Furthermore, existing manual operations generate waste material, leading to higher costs. Summary of the Invention

[0003] The purpose of this invention is to provide a pin bending and cutting fixture for a circulator isolator to solve the above-mentioned problems.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a pin bending and cutting fixture for a circulator isolator includes a cutter holder, a bending knife, a pressure knife, a guide sleeve, a cutting edge unit, a blanking drawer, and a base plate. Three cylinders, namely cylinder A, cylinder B, and cylinder C, are installed on the base plate. Cylinder A is connected to the cutter holder, cylinder B is connected to the bending knife, and cylinder C is connected to the guide sleeve. The pressure knife is connected to cylinder A and cylinder B respectively. The cutting edge unit is connected to the guide sleeve. The blanking drawer is disposed on the base plate and located below the cutting edge unit.

[0005] The tooling of this invention can solve the problem of solder splattering conveniently, quickly and reliably.

[0006] As a preferred technical solution: it also includes a support bar, a material discharge drawer support plate and a support block, and the guide sleeve includes a material discharge port, screw hole A, screw hole B, screw hole C, square slide groove and screw hole D, wherein the material discharge port is located above the material discharge drawer;

[0007] Screw hole A is used to install the support bar; screw hole B is used to install the material drawer support plate through screw D; screw hole C is used to fix the cutting blade unit; the square slide groove cooperates with the cutting blade seat in both length and width directions, so that the cutting blade seat slides in the square slide groove; screw hole D is used to fix the cylinder C; the support bar, support block, cylinder C, and base plate are connected as a whole.

[0008] As a preferred technical solution, the system further includes a cylinder connecting block. The cutting blade holder includes a cylinder connecting block notch, a guide inner wall, a sliding outer wall, a threaded hole, a cutting blade edge, and a limiting platform. The cylinder connecting block notch is connected to the cylinder connecting block.

[0009] The inner guide wall mates with the outer wall of the pressure knife, and the outer sliding wall mates with the square sliding groove; the threaded hole A is used to install cylinder A, and the cutting edge is used to cut the product feed strip into small segments. After the feed strip passes through the feed groove of the cutting edge unit, the end rests on the limiting platform to limit the cutting length.

[0010] As a preferred technical solution: the cutting edge unit includes a cutting edge, a feeding groove and a screw through hole, wherein the cutting edge and the cutting edge form scissors, the product strip passes through the inside of the feeding groove to limit and guide the strip, and the screw through hole uses screw C to fix the cutting edge to the guide sleeve.

[0011] As a preferred technical solution: the pressure knife includes a threaded hole C, a threaded hole D, an outer wall, an inner groove, and a pressure port. The threaded hole C is used to connect to cylinder A, the threaded hole D is used to install cylinder B, the outer wall cooperates with the guide inner wall to allow the pressure knife to slide smoothly in the cutting knife seat, the inner groove cooperates with the outer wall of the bending knife to allow the bending knife to slide smoothly on the pressure knife, and the pressure port is used to hold the material strip to the cutting knife edge to prevent the strip from shifting during the bending process.

[0012] As a further preferred technical solution: the bending knife includes a threaded hole B, a sliding outer wall and a bending blade, wherein the threaded hole B is used to connect the piston of the cylinder B, the sliding outer wall cooperates with the inner groove, and the bending blade is used to bend the cut sheet into a Z-shaped finished product.

[0013] Compared with the prior art, the advantages of this invention are: the tooling of this invention can realize the bending and cutting of the pins of the circulator / isolator, and can operate on the incoming material as a strip. The whole process generates no waste, and the material is cut to the required length, saving the cost of incoming materials. Specifically, it can produce a Z-shaped single finished product with a width of 1mm and a length of 3mm. Figure 9 The material price shown in e is 0.25 yuan / piece, while the material using the diagram...

[0014] The strip material of 9c is processed by this invention into Figure 9 The price of an e-shaped finished product is about 0.15 yuan / piece, saving 0.1 yuan / piece. Each circulator / isolator requires 3 pieces of this part, with an annual demand of about 1.2 million pieces, or 3.6 million pieces, resulting in an annual saving of about 360,000 yuan. Attached Figure Description

[0015] Figure 1 This is an overall structural diagram of the tooling of the present invention;

[0016] Figure 2 This is an exploded view of the tooling of the present invention;

[0017] Figure 3 Here is a structural diagram of the guide sleeve;

[0018] Figure 4 This is a structural diagram of the cutter holder;

[0019] Figure 5 This is a structural diagram of the cutting edge unit;

[0020] Figure 6 This is a structural diagram of the pressure knife;

[0021] Figure 7 This is a structural diagram of a bending knife;

[0022] Figure 8 This is a structural diagram of the incoming materials for the product;

[0023] Figure 9 This is a schematic diagram of the working principle.

[0024] In the diagram: 1. Cylinder A; 2. Cylinder mounting plate; 3. Screw A; 4. Cutter holder; 4-1. Cylinder connecting block notch; 4-2. Guide inner wall; 4-3. Cutter holder sliding outer wall; 4-4. Threaded hole A; 4-5. Cutting edge A; 4-6. Limiting platform; 5. Reinforcing strip; 6. Cylinder B; 7. Bending knife; 7-1. Threaded hole B; 7-2. Bending knife sliding outer wall; 7-3. Bending knife edge; 8. Length limiting strip; 9. Pin; 10. Pressing knife; 10-1. Threaded hole C; 10-2. Threaded hole D; 10-3. Outer wall; 10-4. Inner groove; 0-5, Pressing port; 11, Guide sleeve; 11-1, Material discharge port; 11-2, Screw hole A; 11-3, Screw hole B; 11-4, Screw hole C; 11-5, Square sliding groove; 11-6, Screw hole D; 12, Screw B; 13, Cylinder C; 14, Cylinder connecting block; 15, Support bar; 16, Cutting blade unit; 16-1, Cutting blade B; 16-2, Feeding groove; 16-3, Screw through hole; 17, Screw C; 18, Screw D; 19, Material discharge drawer support plate; 20, Material discharge drawer; 21, Screw E; 22, Support block; 23, Base plate. Detailed Implementation

[0025] The invention will now be further described with reference to the accompanying drawings.

[0026] Example:

[0027] See Figure 1 and Figure 2A pin bending and cutting fixture for a circulator isolator includes a cutter holder 4, a bending cutter 7, a pressing cutter 10, a guide sleeve 11, a cutting edge unit 16, a blanking drawer 20, and a base plate 23. Three cylinders, A1, B6, and C13, are mounted on the base plate 23. Cylinder A1 is connected to the cutter holder 4, cylinder B6 is connected to the bending cutter 7, and cylinder C13 is connected to the guide sleeve 11. The pressing cutter 10 is connected to both cylinder A1 and cylinder B6. The cutting edge unit 16 is connected to the guide sleeve 11. The blanking drawer 20 is located on the base plate 23 and below the cutting edge unit 16.

[0028] In this embodiment, the structure of the guide sleeve 11 is as follows: Figure 3 As shown, it includes a material discharge port 11-1, screw holes 11-2, 11-3, 11-4, a square slide groove 11-5, and screw holes 11-6. The material discharge port 11-1 is used for the finished material to fall into the material discharge drawer 20. Screw hole A11-2 is used to install the support bar 15. Screw hole B11-3 is used to install the material discharge drawer support plate 19 via screw D18. Screw hole C11-4 is used to fix the cutting blade unit 16. The square slide groove 11... -5 mates with the outer wall 4-3 of the cutting knife holder 4 in both length and width directions, allowing the cutting knife holder 4 to slide smoothly within the square slide groove 11-5; screw hole D11-6 is used to fix cylinder C13; support bar 15, support block 22, cylinder C13, and base plate 23 are connected as a whole; the material drop drawer 20 is inserted into the space formed by the material drop drawer support plate 19 and guide sleeve 11; when the material is processed, it falls into the material drop drawer 20; and the finished product is obtained by pulling out the material drop drawer 20.

[0029] In this embodiment, the structure of the cutter holder 4 is as follows: Figure 4As shown, the device includes a cylinder connecting block notch 4-1, a guide inner wall 4-2, a cutting blade seat sliding outer wall 4-3, a threaded hole A4-4, a cutting blade edge 4-5, and a limiting platform 4-6. The length limiting strip 8 is press-fitted into the cutting blade seat 4 via a pin 9. The cylinder connecting block notch 4-1 connects to the cylinder connecting block 14, transmitting the force of the cylinder C13. The guide inner wall 4-2 mates with the outer wall 10-3 of the pressure blade 10, allowing the pressure blade 10 to slide smoothly within the guide inner wall 4-2. The cutting blade seat sliding outer wall 4-3 mates with the square slide groove 11-5. The threaded hole A4-4 is used to install the cylinder A1. Cutting edge 4-5 is used to cut the incoming product strip into small segments; limiting platform 4-6, after the strip passes through the feed groove 16-2 of the cutting edge unit 16, the end of the strip rests on the limiting platform 4-6 to limit the cutting length; in use, the cutting edge 4 is installed in the guide sleeve 11, the cylinder 13 extends, and drives the cutting edge 4 to move, so that the cutting edge 4-5 and the cutting edge 16-1 form scissors, and cut the strip according to the length limited by the limiting platform 4-6. At this time, the cylinder 1 is in the extended state, and the pressing edge of the pressing knife 10 presses down on the platform at the cutting edge 4-5, clamping the dropped material, waiting for subsequent operations.

[0030] In this embodiment, the structure of the cutting edge unit 16 is as follows: Figure 5 As shown, it includes a cutting edge 16-1, a feeding groove 16-2, and a screw through hole 16-3. The cutting edge 16-1 and the cutting edge 4-5 form a pair of scissors. The product material strip passes through the inside of the feeding groove 16-2 to limit and guide the material strip. The screw through hole 16-3 uses a screw C17 to fix the cutting edge 16 to the guide sleeve 11.

[0031] In this embodiment, the structure of the pressing knife 10 is as follows: Figure 6 As shown, it includes a threaded hole C10-1, a threaded hole D10-2, an outer wall 10-3, an inner groove 10-4, and a pressure port 10-5. The threaded hole C10-1 is used to connect the cylinder A1 and transmit power; the threaded hole D10-2 is used to install the cylinder B6; the outer wall 10-3 cooperates with the guide inner wall 4-2 to allow the pressure knife 10 to slide smoothly within the cutter holder 4; the inner groove 10-4 cooperates with the sliding outer wall 7-2 of the bending knife to allow the bending knife 7 to slide smoothly on the pressure knife 10; the pressure port 10-5 is used to hold the material strip against the cutter opening 4-5 to prevent displacement of the strip during bending.

[0032] In this embodiment, the structure of the bending blade 7 is as follows: Figure 7 As shown, it includes a threaded hole B7-1, a sliding outer wall 7-2 for bending blades, and a bending blade edge 7-3. The threaded hole B7-1 is used to connect to the piston of the cylinder B6 to transmit power; the sliding outer wall 7-2 of the bending blades cooperates with the inner groove 10-4 for smooth sliding; and the bending blade edge 7-3 is used to bend the cut sheet material into a Z-shaped finished product.

[0033] The aforementioned fixture performs pin bending and cutting on circulators / isolators; its overall function is to... Figure 8 The product material (strip) shown is cut to a suitable length, then bent into a Z-shaped finished product, and finally dropped into the material drop drawer 20. Figure 9 As shown, Figure 9 In the diagram, a is a combination diagram of the cutter holder, bending knife and pressure knife; b is a working state diagram after cylinder C13 is extended; c is a material state diagram after cylinder A1 is extended and cylinder C13 is retracted; d is a working state diagram after cylinder A1 and cylinder B6 are extended; and e is a finished product diagram after cylinder A1 and cylinder B6 are retracted and cylinder C13 is extended.

[0034] When in use, place the base plate 23 flat on the table. This fixture has three cylinders. The operation process is as follows: First, insert the product material into the feeding slot 16-2. Then, cylinder A1 extends, driving the pressing knife 10 to press the material strip. At this time, cylinder C13 extends, using the cutting blades 4-5 and 16-1 to form scissors to cut the material strip to a suitable length. Finally, cylinder B6 extends, driving the bending knife 7 to bend the material into a Z-shaped finished product (such as...). Figure 9 (e); then all cylinders retract, and the finished product automatically falls into the lower material drawer 20; this tooling has a compact structure, and the cutting and bending of materials can be completed sequentially without generating waste, thereby saving on material costs.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pin bending and cutting fixture for a circulator isolator, characterized in that: The device includes a cutting blade holder (4), a bending blade (7), a pressing blade (10), a guide sleeve (11), a cutting edge unit (16), a blanking drawer (20), and a base plate (23). The base plate (23) is equipped with three cylinders, namely cylinder A (1), cylinder B (6), and cylinder C (13). Cylinder A (1) is connected to the cutting blade holder (4), cylinder B (6) is connected to the bending blade (7), cylinder C (13) is connected to the guide sleeve (11), the pressing blade (10) is connected to cylinder A (1) and cylinder B (6) respectively, the cutting edge unit (16) is connected to the guide sleeve (11), and the blanking drawer (20) is located on the base plate (23) and below the cutting edge unit (16). The cutting blade holder (4) includes a cutting blade A (4-5), and the cutting blade unit (16) includes a cutting blade B (16-1), which is used to cut the product material strip into small segments; The pressure knife (10) includes a threaded hole C (10-1), a threaded hole D (10-2), an outer wall (10-3), an inner groove (10-4), and a pressure port (10-5). The threaded hole C (10-1) is used to connect to cylinder A (1), the threaded hole D (10-2) is used to install cylinder B (6), the outer wall (10-3) cooperates with the guide inner wall (4-2) of the cutter seat to make the pressure knife (10) slide smoothly in the cutter seat (4), the inner groove (10-4) cooperates with the sliding outer wall (7-2) of the bending knife to make the bending knife (7) slide smoothly on the pressure knife (10), and the pressure port (10-5) is used to hold the material strip to the cutter port A (4-5) to prevent the material strip from shifting during the bending process. The bending knife (7) includes a threaded hole B (7-1), a sliding outer wall of the bending knife (7-2), and a bending blade edge (7-3). The threaded hole B (7-1) is used to connect the piston of the cylinder B (6). The sliding outer wall of the bending knife (7-2) cooperates with the inner groove (10-4). The bending blade edge (7-3) is used to bend the cut sheet into a Z-shaped finished product.

2. The pin bending and cutting fixture for a circulator isolator according to claim 1, characterized in that: It also includes a support strip (15), a material drop drawer support plate (19), and a support block (22). The guide sleeve (11) includes a material drop opening (11-1), screw holes A (11-2), B (11-3), C (11-4), a square slide groove (11-5), and a screw hole D (11-6). The material drop opening (11-1) is located above the material drop drawer (20). The screw hole A (11-2) is used to install the support strip (15). The screw hole B (11-3), C (11-4), square slide groove (11-5), and screw hole D (11-6) are also included. 1-3) Install the material drawer support plate (19) by screw D (18); the screw hole C (11-4) is used to fix the cutting blade unit (16), the square slide groove (11-5) cooperates with the cutting blade seat (4) in the length and width directions, so that the cutting blade seat (4) slides in the square slide groove (11-5); the screw hole D (11-6) is used to fix the cylinder C (13), and the support bar (15), support block (22), cylinder C (13) and base plate (23) are connected as a whole.

3. The pin bending and cutting fixture for a circulator isolator according to claim 1, characterized in that: It also includes a cylinder connecting block (14). The cutter seat (4) also includes a cylinder connecting block notch (4-1), a guide inner wall (4-2), a cutter seat sliding outer wall (4-3), a threaded hole A (4-4), and a limiting platform (4-6). The cylinder connecting block notch (4-1) is connected to the cylinder connecting block (14). The guide inner wall (4-2) is engaged with the outer wall (10-3) of the pressure knife (10). The cutter seat sliding outer wall (4-3) is engaged with the square sliding groove (11-5) of the guide sleeve (11). The threaded hole A (4-4) is used to install the cylinder A (1). When the material strip passes through the feeding groove (16-2) of the cutter unit (16), the end is pressed against the limiting platform (4-6) to limit the cutting length.

4. The pin bending and cutting fixture for a circulator isolator according to claim 3, characterized in that: The cutting edge unit (16) also includes a feeding groove (16-2) and a screw through hole (16-3). The cutting edge B (16-1) and the cutting edge A (4-5) form a scissor. The product material strip passes through the inside of the feeding groove (16-2) to limit and guide the material strip. The screw through hole (16-3) uses screw C (17) to fix the cutting edge unit (16) on the guide sleeve (11).

Citation Information

Patent Citations

  • Efficient and convenient copper sheet bending and cutting integrated forming machine

    CN213591536U