A connector chamfering fixture

Abstract

This utility model relates to the field of corner-cutting fixtures, specifically a connector corner-cutting fixture, including a base, a slide rail fixedly installed in the middle of the upper surface of the base, and a clamping part disposed on one side of the upper surface of the base, in which a connector to be corner-cut is placed; and a cutting part slidably disposed at the slide rail. In this utility model, the installation height of the cylinder is raised by an increasing block to avoid interference, and a splash guard covers the cutting area. During operation, the splash guard flips to close the cutting area, and the fixing bolt presses the upper surface of the blade from above. The lower surface of the cutting blade has a V-shaped positioning groove that precisely matches the positioning block, ensuring that the angle and position height of the blade are consistent each time it is installed, preventing the blade from rotating or shifting laterally. After the fixing bolt is loosened, the spring pushes the ejector plate, which abuts against the side of the blade and automatically pushes the blade out of the slot, facilitating quick replacement of worn blades. The limiting block cooperates with the slide rail to ensure that the blade always moves forward at a constant speed in a straight line.

Description

Technical Field

[0001] This utility model relates to the field of corner cutting fixtures, and in particular to a connector corner cutting fixture. Background Technology

[0002] In electronics manufacturing, communication equipment, consumer electronics, and automotive electronics, connector chamfering is a common yet crucial precision machining process. It involves intentionally cutting one or more edges of the connector's plastic body to create a notch at a specific angle or shape. Many connectors are symmetrical; incorrect insertion can lead to short circuits, pin damage, PCB burnout, and device failure. Asymmetrical chamfering at one end of the connector, along with corresponding avoidance structures on the matching socket or PCB pads, ensures full insertion only when the orientation is correct, physically blocking incorrect insertion and structurally preventing human assembly errors. Chamfering serves as an insertion orientation indicator, improving product usability. Connector chamfering also improves assembly efficiency, reduces rework due to mistaken insertion, lowers labor costs, and avoids mass scrap due to reverse insertion. By physically blocking incorrect insertion, it protects circuit safety, prevents connector or PCB pin breakage due to forced insertion, reduces wear, and improves durability. Existing manual corner cutting methods suffer from insufficient precision, poor consistency, low efficiency, and high safety risks. Connector corner cutting must meet strict dimensional tolerances, and manual operation or general tools cannot guarantee the consistency of each product. Corner cutting fixtures, through a precision positioning structure, ensure that the position, depth, and angle of each corner cutting are completely consistent.

[0003] When cutting corners on connectors, manual operation is required, which is inefficient and lacks precision. Therefore, a connector corner cutting fixture is provided. Utility Model Content

[0004] The main objective of this invention is to provide a connector corner-cutting fixture to solve the problems mentioned in related technologies, where connector corner cutting relies on manual operation, resulting in low efficiency and insufficient precision.

[0005] To achieve the above objectives, according to one aspect of the present invention, a connector corner-cutting fixture is provided, comprising a base, a slide rail fixedly mounted on the middle of the upper surface of the base, and further comprising: a clamping part disposed on one side of the upper surface of the base, wherein a connector to be corner-cut is placed in the clamping part; and a cutting part slidably disposed at the slide rail, wherein the cutting part cuts the corner of the connector in the clamping part.

[0006] Furthermore, a heightening block is fixedly installed on one side of the upper surface of the base, a cylinder is fixedly installed on the upper surface of the heightening block, and a push plate is fixedly installed on one end of the cylinder piston rod.

[0007] Furthermore, the upper surface of the base is symmetrically provided with rotating grooves, and a splash guard is rotatably installed between the rotating grooves. The splash guard has a U-shaped structure, and a handle is fixedly installed on one side of the splash guard.

[0008] Furthermore, the clamping part includes a clamping block, and a placement groove is provided through the side wall of the clamping block. The placement groove has a C-shaped structure, and a clamping plate is slidably installed in the placement groove. A return spring is fixedly installed on one side of the clamping plate, and the other end of the return spring is fixedly installed on the inner side wall of the placement groove. A clamping screw hole communicating with the placement groove is provided on the side wall of the clamping block, and a clamping bolt is threaded in the clamping screw hole. One end of the clamping bolt is pressed against the side wall of the clamping plate.

[0009] Furthermore, a support plate is fixedly installed on one side of the clamping block, a position fixing block is fixedly installed on the other side of the clamping block, and a baffle plate is fixedly installed at the opening of the placement slot.

[0010] Furthermore, the cutting part includes a mounting shell, which is fixedly mounted on one side of the push plate. A mounting slot is provided on the other side of the mounting shell, and a cutting blade is inserted into the mounting slot. A fixing screw hole communicating with the mounting slot is provided on the upper surface of the mounting shell, and a fixing bolt is threaded in the fixing screw hole. One end of the fixing bolt is pressed against the upper surface of the cutting blade.

[0011] Furthermore, the mounting slot opening has an outwardly inclined angle, and a positioning block is fixedly installed at the center of the lower surface of the mounting slot. The positioning block has a triangular prism structure. The lower surface of the cutting blade has a positioning groove, which is a V-shaped structure that matches the positioning block. Two shrinkage grooves are symmetrically opened on the inner sidewall of the mounting slot. An ejector plate is slidably installed in the shrinkage groove. A push spring is fixedly installed on one side of the ejector plate, and the other end of the push spring is fixedly installed on the inner sidewall of the shrinkage groove.

[0012] Furthermore, a connecting block is fixedly installed on the lower surface of the mounting shell, and two limiting blocks are symmetrically fixedly installed on the lower surface of the connecting block. The limiting blocks are L-shaped and are slidably installed on the slide rail.

[0013] Compared with the prior art, the present invention has the following beneficial effects: In this invention, the cylinder installation height is raised by an ascending block to avoid interference. A splash guard covers the cutting area. During operation, the splash guard flips to close the cutting area, preventing plastic debris from splashing and polluting the environment or scratching the skin. After the corner is cut, the splash guard is rotated to open, facilitating the removal of the connector and cleaning of debris. A C-shaped placement slot is used to accommodate the connector. The connector is placed in the placement slot, the clamping bolts are tightened, and the clamping plate is pushed to one side to press against the side wall of the connector. After the corner is cut, the clamping bolts are loosened, the return spring automatically resets, and the workpiece is released. A baffle plate prevents the connector from slipping out. A support plate is installed on the placement slot. On one side of the slot, to prevent the connector from being placed out of position, the positioning block is used to fix the position of the slot, ensuring the accurate relative position of the connector and the cutting blade. The fixing bolt presses the upper surface of the blade from top to bottom. The lower surface of the cutting blade has a V-shaped positioning groove that precisely matches the positioning block, ensuring that the angle and position height of the blade are consistent each time it is installed, preventing the blade from rotating or shifting laterally. After loosening the fixing bolt, the spring pushes the ejector plate, which abuts against the side of the blade and automatically pushes the blade out of the slot, facilitating quick replacement of worn blades. Through the cooperation of the limit block and the slide rail, it is ensured that the blade always moves forward at a constant speed in a straight line. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the chamfering fixture in a preferred embodiment of the present invention; Figure 2 This is a schematic diagram of the splash guard closing structure in a preferred embodiment of the present invention; Figure 3 This is a schematic diagram of the base structure in a preferred embodiment of the present invention; Figure 4 This is a cross-sectional view of the base in a preferred embodiment of the present invention; Figure 5 This is a schematic diagram of the cutting part structure in a preferred embodiment of the present invention; Figure 6 This is a schematic cross-sectional view of the cutting section in a preferred embodiment of the present invention; Figure 7 This is a schematic diagram of the cutting blade structure in a preferred embodiment of the present invention.

[0015] Figure label: 11. Base; 12. Heightening block; 13. Slide rail; 14. Rotating groove; 15. Cylinder; 16. Push plate; 17. Splash guard; 18. Handle; Clamping part; 21, clamping block; 22, clamping plate; 211, placement groove; 212, support plate; 213, partition plate; 214, position fixing block; 221, return spring; 222, clamping bolt; Cutting section; 31, mounting shell; 32, connecting block; 33, cutting blade; 311, mounting slot; 312, positioning block; 313, shrinkage groove; 314, ejector plate; 315, push spring; 316, fixing bolt; 321, limit block; 331, positioning groove. Detailed Implementation

[0016] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0017] This embodiment provides a connector corner-cutting fixture, including a base 1. A slide rail 12 is fixedly mounted on the middle of the upper surface of the base 1. The base 1 is an integral metal substrate, providing rigid support. The slide rail 12 is used to guide the linear movement of the cutting part 3. Figure 1 , Figure 2 , Figure 3 As shown, a heightening block 11 is fixedly installed on one side of the upper surface of the base 1, and a cylinder 111 is fixedly installed on the upper surface of the heightening block 11. The heightening block 11 raises the installation height of the cylinder 111 to avoid interference. A push plate 112 is fixedly installed at one end of the piston rod of the cylinder 111. Rotary grooves 13 are symmetrically opened on the upper surface of the base 1. Rotary grooves 13 are used to install a flip-up splash guard 131. The splash guard 131 is rotatably installed between the rotating grooves 13. The splash guard 131 has a U-shaped structure. A handle 132 is fixedly installed on one side of the splash guard 131. The splash guard 131 covers the cutting area. When working, the splash guard 131 flips to close the cutting area and prevent plastic debris from splashing and polluting the environment and scratching the skin. After the corner is cut, the splash guard 131 is rotated to open, so as to remove the connector and clean up the debris. It also includes: a clamping part 2, which is located on one side of the upper surface of the base 1, and a connector to be chamfered is placed inside the clamping part 2, such as... Figure 4As shown, the clamping part 2 includes a clamping block 21. A placement groove 211 is formed through the side wall of the clamping block 21. The placement groove 211 has a C-shaped structure and is used to accommodate the connector. A clamping plate 22 is slidably installed in the placement groove 211. A return spring 221 is fixedly installed on one side of the clamping plate 22, and the other end of the return spring 221 is fixedly installed on the inner side wall of the placement groove 211. A clamping screw hole communicating with the placement groove 211 is formed on the side wall of the clamping block 21. A clamping bolt 222 is threaded into the clamping screw hole. One end of the clamping bolt 222 presses against the side wall of the clamping plate 22. The connector is placed into the placement groove 211, and the clamping bolt is tightened. Bolt 222 pushes clamping plate 22 to move to one side, pressing the connector sidewall. After the corner is cut, release clamping bolt 222, return spring 221 automatically returns to its original position, and releases the workpiece. Support plate 212 is fixedly installed on one side of clamping block 21, and position fixing block 214 is fixedly installed on the other side of clamping block 21. Partition plate 213 is fixedly installed at the opening of placement groove 211 to prevent the connector from slipping out. Support plate 212 is installed on one side of placement groove 211 to prevent the connector from being placed out of position. Position fixing block 214 is used to fix the position of placement groove 211 to ensure the accurate relative position of connector and cutting blade 33. Cutting part 3 is slidably disposed at slide rail 12, and cutting part 3 cuts the corners of the connector inside clamping part 2; such as Figure 1 , Figure 5 , Figure 6 , Figure 7As shown, the cutting part 3 includes a mounting shell 31, which is fixedly mounted on one side of the push plate 112. A mounting slot 311 is provided on the other side of the mounting shell 31, into which a cutting blade 33 is inserted. A fixing screw hole communicating with the mounting slot 311 is provided on the upper surface of the mounting shell 31, and a fixing bolt 316 is threaded into the fixing screw hole. One end of the fixing bolt 316 presses against the upper surface of the cutting blade 33, pressing the upper surface of the blade from above downwards. An outwardly inclined bevel is provided at the opening of the mounting slot 311 to facilitate the insertion of the cutting blade 33. A positioning block 312 is fixedly mounted at the center of the lower surface of the mounting slot 311. The positioning block 312 has a triangular prism structure. A positioning groove 331 is provided on the lower surface of the cutting blade 33. The positioning groove 331 has a V-shaped structure that matches the positioning block 312. The V-shaped positioning groove 331 on the lower surface of the cutting blade 33 corresponds to the positioning block 312. Block 312 is precisely fitted to ensure that the angle and height of the blade are consistent each time it is installed, preventing the blade from rotating or shifting laterally. Two shrinkage grooves 313 are symmetrically opened on the inner side wall of the mounting slot 311. An ejector plate 314 is slidably installed in the shrinkage groove 313. A push spring 315 is fixedly installed on one side of the ejector plate 314, and the other end of the push spring 315 is fixedly installed on the inner side wall of the shrinkage groove 313. After the fixing bolt 316 is loosened, the push spring 315 pushes the ejector plate 314, and the ejector plate 314 abuts against the side of the blade, automatically pushing the blade out of the slot, which facilitates quick replacement of worn blades. A connecting block 32 is fixedly installed on the lower surface of the mounting shell 31. Two limit blocks 321 are symmetrically fixedly installed on the lower surface of the connecting block 32. The limit blocks 321 have an L-shaped structure and are slidably installed on the slide rail 12. The limit blocks 321 cooperate with the slide rail 12 to ensure that the blade always moves forward at a constant speed in a straight line.

[0018] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A connector corner cutting jig comprising a base (1), a slide rail (12) being fixedly installed in the middle of the upper surface of the base (1), characterized in that, Also includes: Clamping part (2) is provided on one side of the upper surface of the base (1), and a connector to be cut is placed inside the clamping part (2); The cutting part (3) is slidably disposed at the slide rail (12) and the cutting part (3) cuts the connector inside the clamping part (2); The cutting part (3) includes a mounting shell (31), which is fixedly mounted on one side of the push plate (112). A mounting slot (311) is provided on the other side of the mounting shell (31). A cutting blade (33) is inserted into the mounting slot (311). A fixing screw hole communicating with the mounting slot (311) is provided on the upper surface of the mounting shell (31). A fixing bolt (316) is installed in the fixing screw hole. One end of the fixing bolt (316) is pressed against the upper surface of the cutting blade (33).

2. The connector chamfering fixture according to claim 1, characterized in that, A heightening block (11) is fixedly installed on one side of the upper surface of the base (1), and a cylinder (111) is fixedly installed on the upper surface of the heightening block (11). A push plate (112) is fixedly installed on one end of the piston rod of the cylinder (111).

3. The connector chamfering fixture according to claim 1, characterized in that, The upper surface of the base (1) is symmetrically provided with rotating grooves (13), and a splash guard (131) is rotatably installed between the rotating grooves (13). The splash guard (131) has a U-shaped structure, and a handle (132) is fixedly installed on one side of the splash guard (131).

4. The connector chamfering fixture according to claim 1, characterized in that, The clamping part (2) includes a clamping block (21). A placement groove (211) is provided through the side wall of the clamping block (21). The placement groove (211) has a C-shaped structure. A clamping plate (22) is slidably installed in the placement groove (211). A return spring (221) is fixedly installed on one side of the clamping plate (22). The other end of the return spring (221) is fixedly installed on the inner side wall of the placement groove (211). A clamping screw hole communicating with the placement groove (211) is provided on the side wall of the clamping block (21). A clamping bolt (222) is installed in the internal thread of the clamping screw hole. One end of the clamping bolt (222) is pressed against the side wall of the clamping plate (22).

5. The connector chamfering fixture according to claim 4, characterized in that, A support plate (212) is fixedly installed on one side of the clamping block (21), a position fixing block (214) is fixedly installed on the other side of the clamping block (21), and a baffle plate (213) is fixedly installed at the opening of the placement groove (211).

6. The connector chamfering fixture according to claim 1, characterized in that, The mounting slot (311) has an outwardly inclined angle at the opening. A positioning block (312) is fixedly installed at the center of the lower surface of the mounting slot (311). The positioning block (312) is a triangular prism structure. A positioning groove (331) is opened on the lower surface of the cutting blade (33). The positioning groove (331) is a V-shaped structure that matches the positioning block (312). Two shrinkage grooves (313) are symmetrically opened on the inner sidewall of the mounting slot (311). An ejector plate (314) is slidably installed in the shrinkage groove (313). A push spring (315) is fixedly installed on one side of the ejector plate (314). The other end of the push spring (315) is fixedly installed on the inner sidewall of the shrinkage groove (313).

7. The connector chamfering fixture according to claim 6, characterized in that, A connecting block (32) is fixedly installed on the lower surface of the mounting shell (31). Two limiting blocks (321) are symmetrically fixedly installed on the lower surface of the connecting block (32). The limiting blocks (321) are L-shaped structures and are slidably installed on the slide rail (12).

Images