CN219094644U

CN219094644U - Polishing jig suitable for earphone metalwork preparation usefulness

Info

Publication number: CN219094644U
Application number: CN202223400470.6U
Authority: CN
Inventors: 陈祖旺
Original assignee: Dongguan Duomi Precision Technology Co ltd
Current assignee: Dongguan Duomi Precision Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-30
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a polishing jig suitable for manufacturing earphone metal pieces, which comprises a polishing jig body, wherein the upper sides of the front end surface and the rear end surface of the polishing jig body are respectively connected with a polishing rotating shaft, the polishing jig body is connected with the polishing rotating shafts through a coupler, one side of the outer surface of each polishing rotating shaft is sleeved with a polishing disc, the surface, facing the polishing jig body, of the outer surface of each polishing disc is provided with a circular limiting groove, and a limiting ring fixedly sleeved on the outer surface of each polishing rotating shaft is clamped in each circular limiting groove; the middle position of the other end face of the polishing disc is provided with a circular fixing groove. Preferably, one side of the polishing disc is provided with a strip-shaped through hole penetrating through the polishing rotating shaft. According to the utility model, the polishing disc can be automatically and fixedly installed through the cooperation of the spring structure and the thread structure, so that the polishing disc is installed without manual operation, and the convenience of equipment is improved through the technical scheme.

Description

Polishing jig suitable for earphone metalwork preparation usefulness

Technical Field

The utility model relates to the technical field of polishing jigs, in particular to a polishing jig suitable for manufacturing earphone metal parts.

Background

The existing earphone mainly comprises a loudspeaker, a dc head, a wire and an earphone shell, wherein the earphone loudspeaker is mainly formed by assembling parts such as a sound film, a coil, a Huasi, a magnet, a hardware cover and the like, the existing earphone is different in manufacturing materials according to different qualities, for example, shells of better wired earphone and wireless earphone are usually made of metal, the service life, the wear resistance and the shock resistance of the earphone shell are greatly improved compared with those of a plastic shell, and the earphone shell made of metal can be called an earphone metal piece;

in the process of manufacturing the earphone metal piece of the shell, as the whole earphone metal piece is integrally manufactured by metal, burrs are inevitably generated on the outer surface of the earphone metal piece in the manufacturing process, so that a polishing jig is required to be used for processing the earphone metal piece in the subsequent processing process, the smoothness of the outer surface of the earphone metal piece is improved, and the polishing jig which can be used for polishing the earphone metal piece can be called as a polishing jig suitable for manufacturing the earphone metal piece.

The existing grinding jig suitable for manufacturing the earphone metal piece is generally fixed by a thread structure, and when the grinding disc is fixed or released, the grinding disc needs to be manually rotated for multiple times, and the process is complicated; therefore, the existing requirements are not met, and a polishing jig suitable for manufacturing earphone metal parts is provided.

Disclosure of Invention

The utility model aims to provide a polishing jig suitable for manufacturing earphone metal parts, so as to solve the problems that the prior polishing jig suitable for manufacturing earphone metal parts is generally fixed by a screw thread structure, and the polishing jig needs to be manually rotated for multiple times when the polishing disc is fixed or released, and the process is complicated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tool of polishing suitable for earphone metalwork preparation usefulness, includes the tool body of polishing, the upside of the terminal surface all is connected with a pivot of polishing around the tool body of polishing, link to each other through the shaft coupling between tool body and the pivot of polishing, one side cover of pivot surface of polishing is equipped with the mill, the face towards the tool body of polishing on the surface of mill is equipped with circular spacing groove, the inside card in circular spacing groove has the spacing ring of fixed cover on the pivot surface of polishing;

the middle position of the other end face of the polishing disc is provided with a circular fixing groove.

Preferably, one side of the polishing disc is provided with a strip-shaped through hole penetrating through the polishing rotating shaft, two rectangular fixing blocks are symmetrically arranged on two sides of the inside of the strip-shaped through hole, and the rectangular fixing blocks and the circular fixing grooves are located on the same vertical horizontal line.

Preferably, the inner wall of the strip-shaped through hole is provided with a strip-shaped groove extending to the inside of the polishing rotating shaft, a short rod is fixedly arranged in the strip-shaped groove, two symmetrical movable sleeves on the outer surface of the short rod are provided with two metal sleeves, the surface facing the rectangular fixing block on the metal sleeve is fixed with the rectangular fixing block, and a reset spring sleeved on the outer surface of the short rod is connected between the metal sleeve and the inner wall of the strip-shaped groove.

Preferably, one side of the rectangular fixing blocks is provided with a pushing block located inside the polishing rotating shaft, the surface facing the rectangular fixing blocks on the pushing block and the surface facing the pushing block on the rectangular fixing blocks are inclined surfaces, the pushing blocks are transversely penetrated by the screw rod, the pushing blocks are connected with the screw rod through threads, and the surface facing the polishing jig body on the screw rod is connected with a fixing motor.

Preferably, the inner wall of the circular limit groove is provided with a square groove extending to the inside of the polishing disc, the surface of the limit ring facing the square groove is fixedly provided with a square block, the square block is clamped into the square groove, and the square block is matched with the square groove in shape.

Preferably, the polishing jig body is electrically connected with the power supply, and the fixed motor is electrically connected with the polishing jig body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the grinding disc can be automatically fixed by matching the thread structure and the pushing structure, so that the fixing process of the grinding disc does not need to be manually operated, and the convenience of equipment is improved by the technical scheme;

2. according to the utility model, when the rectangular fixing block for fixing the polishing disc is pushed outwards by the pushing block, the metal sleeve fixedly connected with the rectangular fixing block also moves outwards, the reset spring connected with the rectangular fixing block is extruded when the metal sleeve moves outwards, and after the rectangular fixing block loses pushing of the pushing block, the rectangular fixing block can be rebounded to the inside of the polishing rotating shaft through the counterforce of the extruded reset spring, so that the fixing of the rectangular fixing block is automatically released.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a front view of the overall structure of the present utility model, partially seen from the inside;

fig. 3 is an enlarged view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. polishing the jig body; 2. polishing the rotating shaft; 3. polishing the grinding disc; 4. a circular limit groove; 5. a square groove; 6. a limiting ring; 7. square blocks; 8. a bar-shaped through hole; 9. a bar-shaped groove; 10. a short bar; 11. a metal sleeve; 12. a return spring; 13. a pushing block; 14. a screw; 15. fixing a motor; 16. a rectangular fixed block; 17. circular fixed slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The sanding tool body (model DIFAN), screw 14 (model 304), and fixed motor 15 (model RF 370) of the present utility model are commercially available or custom-made.

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model provides a polishing jig suitable for earphone metalwork preparation usefulness, including polishing jig body 1, the upside of the terminal surface all is connected with one and polishes pivot 2 around the jig body 1, link to each other through the shaft coupling between polishing jig body 1 and the pivot 2 of polishing, one side cover of the pivot 2 surface of polishing is equipped with polishing dish 3, the face towards polishing jig body 1 on the surface of polishing dish 3 is equipped with circular spacing groove 4, the inside card in circular spacing groove 4 has fixed stop collar 6 of cover on the pivot 2 surface of polishing;

a circular fixing groove 17 is arranged in the middle of the other end surface of the grinding disc 3; when the grinding disc 3 is required to be fixed, the square groove 5 on the inner wall of the circular limit groove 4 on the outer surface of the grinding disc 3 is aligned with the square block 7 fixed between the limit rings 6, the grinding disc 3 is sleeved on the outer surface of the grinding rotating shaft 2, the square block 7 is inserted into the square groove 5, the fixed motor 15 is started to drive the screw 14 connected with the fixed motor 15 through the coupler to rotate, when the screw 14 rotates, the pushing block 13 which is sleeved with the screw 14 and is in threaded connection with the screw but cannot rotate automatically moves back and forth on the outer surface of the screw 14, when the screw 14 moves towards the direction of the rectangular fixed block 16, the rectangular fixed block 16 is pushed outwards, and is clamped into the circular fixed groove 17 on the outer surface of the grinding disc 3, so that the grinding disc 3 is fixed.

Further, one side of the polishing disc 3 is provided with a strip-shaped through hole 8 penetrating through the polishing rotating shaft 2, two rectangular fixing blocks 16 are symmetrically arranged on two sides of the inside of the strip-shaped through hole 8, and the rectangular fixing blocks 16 and the circular fixing grooves 17 are positioned on the same vertical horizontal line; the inner wall of the strip-shaped through hole 8 is provided with a strip-shaped groove 9 extending into the polishing rotating shaft 2, a short rod 10 is fixedly arranged in the strip-shaped groove 9, two sides of the outer surface of the short rod 10 are symmetrically and movably sleeved with two metal sleeves 11, the surface, facing the rectangular fixing block 16, of the metal sleeve 11 is fixed with the rectangular fixing block 16, and a reset spring 12 sleeved on the outer surface of the short rod 10 is connected between the metal sleeve 11 and the inner wall of the strip-shaped groove 9; one side of each rectangular fixed block 16 is provided with a pushing block 13 positioned in the polishing rotating shaft 2, the surface of each pushing block 13 facing the rectangular fixed block 16 and the surface of each rectangular fixed block 16 facing the pushing block 13 are inclined surfaces, each pushing block 13 is transversely penetrated by a screw 14, the pushing blocks 13 are connected with the screw 14 through threads, and the surface of each screw 14 facing the polishing jig body 1 is connected with a fixed motor 15; the inner wall of the circular limiting groove 4 is provided with a square groove 5 extending into the polishing disc 3, the surface, facing the square groove 5, of the limiting ring 6 is fixedly provided with a square block 7, the square block 7 is clamped into the square groove 5, and the shape of the square block 7 is matched with that of the square groove 5; the polishing jig body 1 is electrically connected with a power supply, and the fixed motor 15 is electrically connected with the polishing jig body 1.

When the rectangular fixing block 16 for fixing the polishing disc 3 is pushed outwards by the pushing block 13, the metal sleeve 11 fixedly connected with the rectangular fixing block can also move outwards, when the metal sleeve 11 moves outwards, the reset spring 12 connected with the metal sleeve 11 can be extruded, when the fixing of the metal sleeve needs to be released, the fixing motor 15 is started again to reversely rotate the screw 14 to move the pushing block 13 towards the direction opposite to the rectangular fixing block 16, and after the pushing of the pushing block 13 is lost by the rectangular fixing block 16, the rectangular fixing block 16 can be rebounded to the inside of the polishing rotating shaft 2 through the counterforce of the extruded reset spring 12, so that the fixing of the rectangular fixing block 16 is automatically released.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Polishing jig suitable for earphone metalwork preparation usefulness, including polishing jig body (1), its characterized in that: the polishing device comprises a polishing jig body (1), wherein the upper sides of the front end face and the rear end face of the polishing jig body (1) are respectively connected with a polishing rotating shaft (2), the polishing jig body (1) is connected with the polishing rotating shafts (2) through a coupling, one side of the outer surface of each polishing rotating shaft (2) is sleeved with a polishing disc (3), a circular limiting groove (4) is formed in the outer surface of each polishing disc (3) towards the surface of the polishing jig body (1), and a limiting ring (6) fixedly sleeved on the outer surface of each polishing rotating shaft (2) is clamped in each circular limiting groove (4);

a circular fixing groove (17) is formed in the middle of the other end face of the polishing disc (3).

2. The polishing jig for manufacturing earphone metal parts according to claim 1, wherein: one side of the polishing disc (3) is provided with a strip-shaped through hole (8) penetrating through the polishing rotating shaft (2), two rectangular fixing blocks (16) are symmetrically arranged on two sides of the inside of the strip-shaped through hole (8), and the rectangular fixing blocks (16) and the circular fixing grooves (17) are positioned on the same vertical horizontal line.

3. The polishing jig for manufacturing earphone metal parts according to claim 2, wherein: be equipped with on the inner wall of bar through-hole (8) and extend to inside bar groove (9) of pivot (2) of polishing, the inside fixed quarter butt (10) that are equipped with of bar groove (9), the bilateral symmetry movable sleeve of quarter butt (10) surface is equipped with two metal covers (11), be fixed mutually between face and rectangle fixed block (16) towards rectangle fixed block (16) on metal cover (11), be connected with reset spring (12) on the quarter butt (10) surface of cover between the inner wall of metal cover (11) and bar groove (9).

4. The polishing jig for manufacturing earphone metal parts according to claim 3, wherein: two one side of rectangle fixed block (16) is equipped with one and is located the inside push block (13) of pivot (2) of polishing, the face towards rectangle fixed block (16) on push block (13) and the face towards push block (13) on rectangle fixed block (16) are the inclined plane, push block (13) are transversely run through by screw rod (14), just link to each other through the screw thread between push block (13) and screw rod (14), the face towards polishing tool body (1) on screw rod (14) is connected with fixed motor (15).

5. The polishing jig for manufacturing earphone metal parts according to claim 1, wherein: the inner wall of the circular limiting groove (4) is provided with a square groove (5) extending to the inside of the polishing disc (3), a square block (7) is fixedly arranged on the limiting ring (6) towards the surface of the square groove (5), the square block (7) is clamped into the square groove (5), and the square block (7) is matched with the square groove (5) in shape.

6. The polishing jig for manufacturing earphone metal parts according to claim 4, wherein: the polishing jig body (1) is electrically connected with a power supply, and the fixed motor (15) is electrically connected with the polishing jig body (1).