CN216990216U

CN216990216U - Grinding tooth clamping device not prone to leaving marks

Info

Publication number: CN216990216U
Application number: CN202220910196.8U
Authority: CN
Inventors: 胡苏�; 杨建�; 周安勇; 任真全; 王勇
Original assignee: Chongqing Xinxing Tongyong Drivetrain Co ltd
Current assignee: Chongqing Xinxing Tongyong Drivetrain Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-19
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a grinding tooth clamping device not easy to leave marks, which comprises a chassis and a carrying disc, wherein two clamping blocks are arranged at the top of the carrying disc, the two clamping blocks are oppositely arranged, each clamping block comprises an arc-shaped clamping part, two linear parts are arranged at two ends of the arc-shaped clamping part, two groups of threaded blind holes are formed in the arc-shaped clamping part, two copper blocks are arranged at the top of the arc-shaped clamping part, the two copper blocks are symmetrically arranged, two mounting through holes are formed in each copper block, fastening bolts are arranged in the mounting through holes, and the fastening bolts are mutually meshed with the threaded blind holes through threads. The gear clamping device can clamp a gear, and the copper block is used for clamping, so that the clamping area is reduced, the stress strength is improved, and the copper block is soft, so that marks are not easy to leave on the teeth, and meanwhile, the clamping block is not in direct contact with the gear, and the condition that the clamping block is scratched can be effectively avoided.

Description

Grinding tooth clamping device not prone to leaving marks

Technical Field

The utility model relates to the field of gear wheel machining, in particular to a grinding tooth clamping device not easy to leave marks.

Background

At present, when a large gear is subjected to gear grinding, a clamping device is generally used for clamping the large gear, and in the gear grinding process, a clamping part is often scratched due to the rotating torque force and the reason that the material of a tooth part is hard (Cr 18).

Therefore, there is a need to solve the above problems by creating a grinding tooth holding device that is not susceptible to marking.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grinding tooth clamping device which is not easy to leave marks so as to solve the problem that a clamping part of the conventional clamping device is easy to scratch.

In order to achieve the above purpose, the utility model provides the following technical scheme: a grinding tooth clamping device not prone to leaving marks comprises a chassis and a carrying disc, wherein two clamping blocks are installed at the top of the carrying disc and are oppositely arranged, each clamping block comprises an arc-shaped clamping portion, linear portions are arranged at two ends of each arc-shaped clamping portion, two groups of threaded blind holes are formed in each arc-shaped clamping portion, two copper blocks are arranged at the top of each arc-shaped clamping portion and are symmetrically arranged, two mounting through holes are formed in each copper block, fastening bolts are arranged in the mounting through holes and are meshed with the threaded blind holes through threads, two mounting grooves are formed in the carrying disc and are oppositely arranged, a threaded rod I is arranged in each mounting groove, a sliding seat is connected to the outer wall of the threaded rod I through threads, and the top of the sliding seat is fixedly connected with the bottom of the arc-shaped clamping portion, and one end of the first threaded rod is provided with a handle, and the other end of the first threaded rod is rotatably connected with the loading disc through a bearing.

Preferably, two sliding grooves are formed in the outer side of the mounting groove, the two sliding grooves are oppositely arranged, a sliding plate is mounted on one side, close to the handle, of the sliding seat, sliding blocks are mounted on two sides of the sliding plate, the two sliding blocks are oppositely arranged, and the sliding blocks are connected with the sliding grooves in a sliding mode.

Preferably, two thread through holes are formed in the top of the object carrying plate and symmetrically arranged, and a horizontal included angle between each thread through hole and each mounting groove is 90 degrees.

Preferably, a second threaded rod is connected in the threaded through hole through threads, a pressing block is installed at the upper end of the second threaded rod, and the lower end of the second threaded rod is connected with the object carrying disc through a nut.

Preferably, the straight line part is provided with a semicircular through groove, the two semicircular through grooves arranged face to face form a circular groove, and the circular groove is positioned right above the threaded through hole.

Preferably, the cross-sectional shapes of the base plate and the object carrying plate are both annular, a support cylinder is arranged on the inner side of the base plate, and the upper end and the lower end of the support cylinder are fixedly connected with the base plate and the object carrying plate respectively.

Preferably, the outer wall of the supporting cylinder is sleeved with a damping spring, and the damping spring is clamped between the chassis and the carrying plate.

Preferably, a base is arranged at the center of the bottom of the chassis, and the bottom of the chassis is fixedly connected with the top of the base through a bolt.

According to the utility model, the gear can be clamped by the threaded rod I, the sliding seat, the handle, the clamping block and the copper block arranged on the clamping block, and the copper block is used for clamping, so that the clamping area is reduced, the stress strength is improved, and because the copper block is softer, a mark is not easy to leave on the tooth, and meanwhile, the clamping block is not in direct contact with the gear, and the situation that the clamping block is scratched can be effectively avoided; the clamping block can be pressed and fixed through the matching use of the pressing block, the threaded through hole, the semicircular through groove, the second threaded rod and the pressing block; the copper blocks are detachably connected, and are fixed through the arranged fastening bolts, the threaded blind holes and the mounting through holes, so that the copper blocks can be replaced later; in the piece entering mounting groove that produces when can effectively avoiding polishing through the sliding plate, utilize the cooperation of slider and spout, then can carry on spacingly to the sliding plate.

Drawings

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

FIG. 2 is an exploded view of a clamp block of the present invention;

fig. 3 is an exploded view of the carrier tray of the present invention.

Description of reference numerals:

1. a chassis; 2. a base; 3. a damping spring; 4. a carrying tray; 5. a copper block; 6. a clamping block; 7. fastening a bolt; 8. a threaded blind hole; 9. a support cylinder; 10. mounting a through hole; 11. a straight portion; 12. an arc-shaped clamping part; 13. a semicircular through groove; 14. a second threaded rod; 15. a compression block; 16. a nut; 17. a first threaded rod; 18. a slide base; 19. a handle; 20. mounting grooves; 21. a chute; 22. a sliding plate; 23. a slider; 24. a threaded through bore.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a grinding tooth clamping device not easy to leave marks as shown in figures 1, 2 and 3, which comprises a chassis 1 and a carrying disc 4, wherein two clamping blocks 6 are arranged at the top of the carrying disc 4, the two clamping blocks 6 are oppositely arranged, each clamping block 6 comprises an arc-shaped clamping part 12, two ends of each arc-shaped clamping part 12 are respectively provided with a straight line part 11, two groups of threaded blind holes 8 are formed in each arc-shaped clamping part 12, two copper blocks 5 are arranged at the top of each arc-shaped clamping part 12, the two copper blocks 5 are symmetrically arranged, each copper block 5 is provided with two mounting through holes 10, fastening bolts 7 are arranged in the mounting through holes 10, the fastening bolts 7 are mutually meshed with the threaded blind holes 8 through threads, two mounting grooves 20 are formed in the carrying disc 4, the two mounting grooves 20 are oppositely arranged, a threaded rod 17 is arranged in each mounting groove 20, have slide 18 through threaded connection on the outer wall of threaded rod 17, the top and the 12 bottoms fixed connection of arc clamping part of slide 18, just handle 19 is installed to the one end of threaded rod 17, and the other end passes through the bearing and rotates with year thing dish 4 to be connected, has made things convenient for the rotation of threaded rod 17 through the handle 19 that sets up, is convenient for adjust the distance between clamp splice 6.

Two sliding grooves 21 are formed in the outer side of the mounting groove 20, the two sliding grooves 21 are oppositely arranged, a sliding plate 22 is mounted on one side, close to the handle 19, of the sliding seat 18, the sliding plate 22 can effectively prevent chips generated during polishing from entering the mounting groove 20, sliding blocks 23 are mounted on two sides of the sliding plate 22, the two sliding blocks 23 are oppositely arranged, the sliding blocks 23 are connected with the sliding grooves 21 in a sliding mode, the sliding blocks 22 are limited through the matching of the sliding blocks 23 and the sliding grooves 21, and therefore the sliding seat 18 can be limited to move.

Two thread through holes 24 are formed in the top of the object carrying disc 4, the two thread through holes 24 are symmetrically arranged, a horizontal included angle between each thread through hole 24 and the corresponding mounting groove 20 is 90 degrees, a second threaded rod 14 is connected into each thread through hole 24 through threads, a pressing block 15 is mounted at the upper end of the second threaded rod 14, the lower end of the second threaded rod 14 is connected with the object carrying disc 4 through a nut 16, the second threaded rod 14 drives the pressing block 15 to rotate to move downwards or upwards by rotating the pressing block 15, the pressing block 6 can be pressed by the pressing block 15 to fix the pressing block 6, a semicircular through groove 13 is formed in the linear portion 11, two semicircular through grooves 13 arranged face to face form a circular groove, the circular groove is located right above the thread through hole 24, the diameter of the circular groove needs to be larger than that of the thread through hole 24, and the second threaded rod 14 can pass through the circular groove.

With reference to fig. 1, the cross-sectional shapes of the chassis 1 and the object carrying plate 4 are both annular, the inner side of the chassis 1 is provided with a support cylinder 9, the upper end and the lower end of the support cylinder 9 are respectively fixedly connected with the chassis 1 and the object carrying plate 4, the support cylinder 9 is used for supporting the object carrying plate 4, the outer wall of the support cylinder 9 is sleeved with a damping spring 3, the damping spring 3 is clamped between the chassis 1 and the object carrying plate 4, the damping spring 3 is used for buffering and can reduce vibration and improve product precision, the center of the bottom of the chassis 1 is provided with a base 2, the bottom of the chassis 1 is fixedly connected with the top of the base 2 through bolts, and the base 2 plays a supporting role.

During the use, drive threaded rod 17 through twist grip 19 and rotate, make slide 18 drive clamp splice 6 and remove, adjust the distance between two clamp splices 6, slide 18 drives sliding plate 22 and slides in mounting groove 20 simultaneously, make slider 23 slide in spout 21, adjust the distance after, come the tight gear of clamp through the copper billet 5 of installing on clamp splice 6, the grip area has not only been reduced, the stress intensity has been improved, and because copper billet 5 is softer, be difficult to leave the impression on the tooth, clamp splice 6 does not contact with the gear directly simultaneously, can also effectively avoid clamp splice 6 to be scraped colored condition to appear, at last through rotating clamp splice 15, make threaded rod two 14 drive clamp splice 15 rotatory move down, utilize clamp splice 15 to compress tightly clamp splice 6, fix clamp splice 6.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. A grinding tooth clamping device not easy to leave marks comprises a chassis (1) and a carrying disc (4), and is characterized in that: the top of the object carrying plate (4) is provided with two clamping blocks (6), the two clamping blocks (6) are arranged oppositely, each clamping block (6) comprises an arc-shaped clamping part (12), both ends of the arc-shaped clamping part (12) are provided with straight line parts (11), two groups of threaded blind holes (8) are formed in the arc-shaped clamping part (12), the top of the arc-shaped clamping part (12) is provided with two copper blocks (5), the two copper blocks (5) are symmetrically arranged, each copper block (5) is provided with two mounting through holes (10), fastening bolts (7) are arranged in the mounting through holes (10), the fastening bolts (7) are mutually meshed with the threaded blind holes (8) through threads, in addition, the object carrying plate (4) is provided with two mounting grooves (20), the two mounting grooves (20) are arranged oppositely, a threaded rod (17) is arranged in each mounting groove (20), have slide (18) through threaded connection on the outer wall of threaded rod (17), the top and the arc clamping part (12) bottom fixed connection of slide (18), just handle (19) are installed to the one end of threaded rod (17), and the other end passes through the bearing and rotates with carrying thing dish (4) to be connected.

2. A tooth grinding holding device with less marking possibility according to claim 1, characterized in that: two sliding grooves (21) are formed in the outer side of the mounting groove (20), the two sliding grooves (21) are oppositely arranged, a sliding plate (22) is installed on one side, close to the handle (19), of the sliding seat (18), sliding blocks (23) are installed on the two sides of the sliding plate (22), the two sliding blocks (23) are oppositely arranged, and the sliding blocks (23) are connected with the sliding grooves (21) in a sliding mode.

3. A tooth grinding holding device with less marking possibility according to claim 1, characterized in that: two thread through holes (24) are seted up at the top of carrying thing dish (4), two thread through holes (24) are the symmetry and set up, horizontal contained angle between thread through hole (24) and mounting groove (20) is 90.

4. A tooth grinding holding device with less marking possibility according to claim 3, characterized in that: a second threaded rod (14) is connected into the threaded through hole (24) through threads, a pressing block (15) is installed at the upper end of the second threaded rod (14), and the lower end of the second threaded rod (14) is connected with the object carrying disc (4) through a nut (16).

5. A tooth grinding holding device with less marking possibility according to claim 4, characterized in that: and the straight line part (11) is provided with a semicircular through groove (13), the semicircular through grooves (13) which are arranged oppositely form a circular groove, and the circular groove is positioned right above the threaded through hole (24).

6. A tooth grinding holding device with less marking possibility according to claim 1, characterized in that: the cross-sectional shapes of the chassis (1) and the object carrying disc (4) are both annular, a supporting cylinder (9) is arranged on the inner side of the chassis (1), and the upper end and the lower end of the supporting cylinder (9) are fixedly connected with the chassis (1) and the object carrying disc (4) respectively.

7. A tooth grinding holding device with less marking possibility according to claim 6, characterized in that: the outer wall of the supporting cylinder (9) is sleeved with a damping spring (3), and the damping spring (3) is clamped between the chassis (1) and the object carrying disc (4).

8. A tooth grinding holding device with less marking possibility according to claim 1, characterized in that: the base (2) is arranged at the center of the bottom of the chassis (1), and the bottom of the chassis (1) is fixedly connected with the top of the base (2) through bolts.