CN218657172U

CN218657172U - Hollow gear shaft clamp

Info

Publication number: CN218657172U
Application number: CN202223105430.9U
Authority: CN
Inventors: 王世杰; 胡光勇
Original assignee: Chongqing Hengjie Technology Co ltd
Current assignee: Chongqing Hengjie Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-21
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a cavity gear shaft anchor clamps, the on-line screen storage device comprises a base, a pair of slide has been seted up to the one end of base, and is a pair of sliding connection has first support in the slide, the one end fixedly connected with transmission case that the base is close to first support, the one end rotation that the transmission case is close to first support is connected with a pair of lead screw, the one end fixedly connected with pivot of transmission case is kept away from to first support, the one end rotation that first support was kept away from in the pivot is connected with the location circular cone. The utility model discloses an establish the cavity in the pivot, installation rubber bowl and balancing weight reduce the vibrations that produce in the gear shaft course of working in the cavity, improve the product precision.

Description

Hollow gear shaft clamp

Technical Field

The utility model relates to a gear machining technical field especially relates to a cavity gear shaft anchor clamps.

Background

In the gear machining process, besides the cutter, the structure and the precision of the positioning fixture play an important role in machining precision, the positioning fixture can be used for quickly, conveniently and safely installing a workpiece in the machining process, the cutter is convenient to cut the workpiece, the common fixture for machining the hollow gear shaft fixes the workpiece through conical tip cones at two ends, and the fixture is simple in structure and convenient to use.

However, in the process of machining the hollow gear shaft, because the workpiece rotates at a high speed, vibration is difficult to avoid, and the machining precision is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that current cavity gear shaft anchor clamps can't reduce the vibrations of work piece in the course of working, lead to the machining precision to receive the problem of influence.

In order to solve the technical problem, the utility model discloses a technical scheme be: the hollow gear shaft clamp comprises a base, wherein one end of the base is provided with a pair of slide ways, a first support is connected in the slide ways in a sliding manner, one end of the base, which is close to the first support, is fixedly connected with a transmission case, one end of the transmission case, which is close to the first support, is rotatably connected with a pair of lead screws, one end of the first support, which is far away from the transmission case, is fixedly connected with a rotating shaft, and one end of the rotating shaft, which is far away from the first support, is rotatably connected with a positioning cone;

the one end fixedly connected with second support that first support was kept away from to the base, one side fixedly connected with headstock that first support was kept away from to the second support, one side that the second support is close to first support is rotated and is connected with the chuck.

Through the technical scheme, the hollow gear shaft can be well fixed, and subsequent processing is facilitated.

The utility model discloses further set up to, the pivot includes the axis body, the cavity has been seted up in the axis body, the equal fixedly connected with rubber bowl in cavity both ends, the one end fixedly connected with balancing weight of cavity is kept away from to the rubber bowl.

Through the technical scheme, the vibration of the hollow gear shaft in the machining process can be reduced, and the machining precision is improved.

The utility model discloses it is further set up to, a pair of the lead screw all runs through the rotation and connects first support, the one end that the lead screw was kept away from to the transmission case rotates and is connected with the hand wheel, one side that the transmission case was kept away from to the hand wheel rotates and is connected with the handle, the centre position rotates in the transmission case and is connected with the driving gear, both sides are all rotated and are connected with driven gear in the transmission case.

The utility model discloses further set up to, driving gear and driven gear intermeshing cooperation, driving gear and hand wheel fixed connection, driven gear and lead screw fixed connection, set up the screw hole corresponding with the lead screw on the first support, the handle overcoat is equipped with the sponge cover.

Through the technical scheme, the hollow gear shaft can be conveniently fixed by adjusting the distance between the first support and the second support.

The utility model discloses further set up to, fixedly connected with motor in the headstock, the output and the chuck fixed connection of motor.

Through above-mentioned technical scheme, can make the motor drive the chuck rotatory, the chuck drives the rotation of cavity gear shaft, processes.

The utility model discloses further set up to, the chuck includes the shell, the shell internal rotation is connected with the chain wheel, the one end sliding connection that the second support was kept away from to the chain wheel has a plurality of jack catchs, the one end fixedly connected with straight-tooth bevel gear of jack catch is kept away from to the chain wheel, the shell internal rotation is connected with a plurality of elasticity and revolves the post.

The utility model is further arranged in that a plurality of grooves are arranged at one end of a plurality of claws close to the chain wheel, a plurality of grooves are matched with the protrusions on the chain wheel in a sliding way, one end of the elastic spiral column close to the chain wheel is fixedly connected with a bevel gear, and the bevel gear is matched with the straight bevel gear in a meshing way; the one end that bevel gear was kept away from to elasticity spiral column has seted up interior hexagonal hole.

The utility model discloses further set up to, the outside fixedly connected with antiskid tooth of jack catch, the through-hole has been seted up to chain wheel central point, set up the spout corresponding with the jack catch on the shell.

Through above-mentioned technical scheme, can make the hollow gear axle firmly fix on the chuck.

The beneficial effects of the utility model are as follows:

the utility model discloses a rotate the connection chain wheel in the shell, sliding connection has a plurality of jack catchs on the chain wheel, install straight-tooth bevel gear on the chain wheel, it is rotatory to revolve the post through the elasticity and drive bevel gear, it is rotatory with straight-tooth bevel gear cooperation messenger chain wheel then, it is fixed with the one end of cavity gear shaft to make the jack catch spread to the outside through the chain wheel, rotate the hand wheel through the handle simultaneously, it is rotatory to make the driving gear in the transmission case drive driven gear, driven gear drives the screw rod rotatory, make first support slide along the slide, insert the gear shaft other end with the location circular cone and accomplish the fixed to hollow gear shaft, it is rotatory to process to drive the chuck and then drive the rotation of cavity gear shaft through the motor, the radial vibrations that the cavity gear shaft produced this moment will offset through the cooperation between the rubber bowl in the pivot and the balancing weight, thereby make the cavity gear shaft reduce vibrations when rotatory, and improve the machining precision.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a sectional view of the inside of the rotating shaft of the present invention;

FIG. 3 is a cross-sectional view of the power box of the present invention;

FIG. 4 is an exploded view of the internal structure of the three-jaw chuck of the present invention;

fig. 5 is a structural view of the inside of the transmission case of the present invention.

In the figure: 1. a base; 2. a slideway; 3. a first bracket; 4. a rotating shaft; 401. a shaft body; 402. a cavity; 403. a rubber bowl; 404. a balancing weight; 5. positioning a cone; 6. a screw rod; 7. a transmission case; 8. a hand wheel; 9. a handle; 10. a second bracket; 11. a power box; 12. a chuck; 1201. a housing; 1202. a claw; 1203. tightening and loosening the rotary column; 1204. a straight bevel gear; 1205. a chain wheel; 1206. a bevel gear; 1207. a groove; 13. a motor; 14. a driving gear; 15. a driven gear.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 5, a hollow gear shaft clamp includes a base 1, one end of the base 1 is provided with a pair of slideways 2, the pair of slideways 2 is connected with a first bracket 3 in a sliding manner, one end of the base 1 close to the first bracket 3 is fixedly connected with a transmission case 7, one end of the transmission case 7 close to the first bracket 3 is rotatably connected with a pair of screw rods 6, one end of the first bracket 3 far away from the transmission case 7 is fixedly connected with a rotating shaft 4, and one end of the rotating shaft 4 far away from the first bracket 3 is rotatably connected with a positioning cone 5;

one end fixedly connected with second support 10 that first support 3 was kept away from to base 1, one side fixedly connected with headstock 11 that first support 3 was kept away from to second support 10, one side that second support 10 was close to first support 3 is rotated and is connected with chuck 12, a pair of lead screw 6 all runs through to rotate and connects first support 3, the one end that lead screw 6 was kept away from to transmission case 7 is rotated and is connected with hand wheel 8, one side that transmission case 7 was kept away from to hand wheel 8 is rotated and is connected with handle 9, central point puts the rotation in the transmission case 7 and is connected with driving gear 14, both sides all rotate in the transmission case 7 and are connected with driven gear 15, driving gear 14 and driven gear 15 intermeshing cooperation, driving gear 14 and hand wheel 8 fixed connection, driven gear 15 and lead screw 6 fixed connection, the corresponding screw hole with lead screw 6 has been seted up on the first support 3, handle 9 overcoat is equipped with the sponge cover.

As shown in fig. 2, the rotating shaft 4 includes a shaft body 401, a cavity 402 is formed in the shaft body 401, two ends of the cavity 402 are fixedly connected with rubber bowls 403, and one end of each rubber bowl 403 far away from the cavity 402 is fixedly connected with a weight block 404.

As shown in fig. 3 and 4, a motor 13 is fixedly connected in a power box 11, an output end of the motor 13 is fixedly connected with a chuck 12, the chuck 12 comprises an outer shell 1201, a chain wheel 1205 is rotatably connected in the outer shell 1201, one end of the chain wheel 1205 far away from a second support 10 is slidably connected with a plurality of claws 1202, one end of the chain wheel 1205 far away from the claws 1202 is fixedly connected with a straight bevel gear 1204, a plurality of tightening rotary columns 1203 are rotatably connected in the outer shell 1201, one ends of the claws 1202 near the chain wheel 1205 are respectively provided with a plurality of grooves 1207, the grooves 1207 are respectively slidably matched with protrusions on the chain wheel 1205, one ends of the tightening rotary columns 1203 near the chain wheel 1205 are fixedly connected with bevel gears 1206, the bevel gears 1206 are mutually meshed and matched with the straight bevel gears 1204, one ends of the tightening rotary columns 1203 far away from the bevel gears 1206 are provided with inner hexagonal holes, outer side fixedly connected with anti-slip teeth of the claws 1202, through holes are provided at the center position of the chain wheel 1205, and chutes corresponding to the claws 1202 are provided on the outer shell 1201.

The utility model discloses when using, insert elasticity spiral post 1203 through the T word handle, rotatory elasticity spiral post 1203 drives the chain wheel 1205 through bevel gear 1206 and straight-tooth bevel gear 1204 intermeshing and rotates, chain wheel 1205 mutually supports with recess 1207 on the jack catch 1202, make jack catch 1202 outdiffusion fix the one end of cavity gear shaft, pass through the rotatory hand wheel 8 of handle 9 this moment, hand wheel 8 drives driving gear 14, driving gear 14 drives driven gear 15, driven gear 15 drives lead screw 6, lead screw 6 makes first support 3 remove along slide 2 with first support 3 mutually supports, make location circular cone 5 insert the other end of cavity gear shaft, accomplish the fixed of cavity gear shaft, it rotates to drive chuck 12 through motor 13, chuck 12 drives the cavity gear shaft and rotates and process, at this moment, the radial vibrations of cavity gear shaft transmit in pivot 4, cooperation through rubber bowl 403 and balancing weight 404 vibrations, make the shaking block consume the vibrations energy of cavity gear shaft fast, thereby reduce the vibrations of cavity gear shaft, and improve the machining precision.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a cavity gear shaft anchor clamps, includes base (1), its characterized in that: one end of the base (1) is provided with a pair of slide ways (2), a first support (3) is connected in the pair of slide ways (2) in a sliding manner, one end, close to the first support (3), of the base (1) is fixedly connected with a transmission case (7), one end, close to the first support (3), of the transmission case (7) is rotatably connected with a pair of screw rods (6), one end, far away from the transmission case (7), of the first support (3) is fixedly connected with a rotating shaft (4), and one end, far away from the first support (3), of the rotating shaft (4) is rotatably connected with a positioning cone (5);

one end fixedly connected with second support (10) of first support (3) are kept away from in base (1), one side fixedly connected with headstock (11) of first support (3) are kept away from in second support (10), one side rotation that second support (10) are close to first support (3) is connected with chuck (12).

2. The hollow gear shaft jig as set forth in claim 1, wherein: the rotating shaft (4) comprises a shaft body (401), a cavity (402) is formed in the shaft body (401), rubber bowls (403) are fixedly connected to two ends of the cavity (402), and one end of each rubber bowl (403) far away from the cavity (402) is fixedly connected with a balancing weight (404).

3. The hollow gear shaft jig of claim 1, wherein: it is a pair of lead screw (6) all run through to rotate and connect first support (3), the one end that lead screw (6) were kept away from in transmission case (7) is rotated and is connected with hand wheel (8), one side that transmission case (7) were kept away from in hand wheel (8) is rotated and is connected with handle (9), central point puts to rotate in transmission case (7) and is connected with driving gear (14), both sides all rotate in transmission case (7) and are connected with driven gear (15).

4. The hollow gear shaft jig according to claim 3, wherein: the driving gear (14) is meshed with the driven gear (15) in a matched mode, the driving gear (14) is fixedly connected with the hand wheel (8), the driven gear (15) is fixedly connected with the screw rod (6), a threaded hole corresponding to the screw rod (6) is formed in the first support (3), and a sponge sleeve is sleeved outside the handle (9).

5. The hollow gear shaft jig of claim 1, wherein: fixedly connected with motor (13) in headstock (11), the output and chuck (12) fixed connection of motor (13).

6. The hollow gear shaft jig of claim 1, wherein: chuck (12) include shell (1201), shell (1201) internal rotation is connected with chain wheel (1205), the one end sliding connection that second support (10) were kept away from in chain wheel (1205) has a plurality of jack catchs (1202), the one end fixedly connected with straight-tooth bevel gear (1204) of jack catchs (1202) are kept away from in chain wheel (1205), shell (1201) internal rotation is connected with a plurality of elasticity and revolves post (1203).

7. The hollow gear shaft jig according to claim 6, wherein: a plurality of grooves (1207) are formed in one ends, close to the chain wheel (1205), of the clamping jaws (1202), the grooves (1207) are matched with protrusions on the chain wheel (1205) in a sliding mode, a bevel gear (1206) is fixedly connected to one end, close to the chain wheel (1205), of the elastic rotary column (1203), the bevel gear (1206) is matched with a straight bevel gear (1204) in a meshed mode, and the straight bevel gear (1204) is arranged on the other end, close to the chain wheel (1205), of the clamping jaws (1202); an inner hexagonal hole is formed in one end, far away from the bevel gear (1206), of the elastic rotary column (1203).

8. The hollow gear shaft jig according to claim 6, wherein: the anti-skidding tooth is fixedly connected to the outer side of the clamping jaw (1202), a through hole is formed in the center of the chain wheel (1205), and a sliding groove corresponding to the clamping jaw (1202) is formed in the shell (1201).