CN214770451U

CN214770451U - Clamping tool for machining rotating shaft

Info

Publication number: CN214770451U
Application number: CN202023349102.4U
Authority: CN
Inventors: 马文军; 华文杰
Original assignee: Jiangyin Shuangma Electromechanical Technology Co ltd
Current assignee: Jiangyin Shuangma Electromechanical Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-19
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a rotating shaft processing clamping tool, which belongs to the technical field of rotating shaft processing equipment and comprises a fixed frame, wherein a motor is installed at the bottom of the fixed frame, a worm shaft is fixedly connected to an output shaft of the motor, one end of the worm shaft, which is far away from the motor, is rotatably connected in the fixed frame through a bearing seat, the worm shaft is meshed with a worm gear ring, the worm gear ring is fixedly connected to the outer side wall of a rotating seat, a plurality of groups of fixed columns are fixedly connected to both side walls of the rotating seat, adjusting bolts are in threaded connection with the fixed columns, telescopic columns are movably connected in the fixed columns, and one ends of the plurality of groups of telescopic columns, which are far away from the fixed columns, are fixedly connected with one side walls of a plurality of fixed rings; make the pivot add man-hour more firm and difficult rocking, improve the machining precision of pivot, can carry out the centre gripping operation to a plurality of pivots, can realize the processing of not shutting down of a plurality of pivots, make the roating seat rotatory, but a plurality of solid fixed rings of exchangeable use to the convenience is processed the work to a plurality of pivots.

Description

Clamping tool for machining rotating shaft

Technical Field

The utility model belongs to the technical field of pivot processing equipment, concretely relates to pivot processing centre gripping frock.

Background

The pivot be connect product zero part main part must use, be used for rotating the work in not only bearing bending moment but also bearing the axle of moment of torsion, common pivot has: a motor shaft; a mobile phone rotating shaft; a notebook computer rotating shaft; a portable DVD spindle; a rotating shaft of the LED desk lamp; LCD display screen rotating shaft; vehicle-mounted support rotating shafts such as a GPS and the like.

At present, the pivot is everywhere visible in mechanical equipment and life field, and the range of application is wide, and the pivot need use clamping work when carrying out processing production for ensure that pivot processing is stable, but clamping stability is poor during current pivot centre gripping, and the pivot takes place the skew easily, leads to the machining precision lower, and the centre gripping frock is gone up only can be to installing single pivot simultaneously, can not carry out the processing operation to a plurality of pivots simultaneously, and machining efficiency is low, has certain drawback in the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pivot processing centre gripping frock to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pivot processing centre gripping frock, includes the mount, the motor is installed to the bottom of mount, the rigid coupling has the worm axle on the output shaft of motor, the one end that the motor was kept away from to the worm axle rotates through the bearing frame and connects in the mount, the worm axle meshes with the worm wheel ring gear mutually, the worm wheel ring gear is fixed connection on the lateral wall of roating seat, equal rigid coupling has the multiunit fixed column on the both sides wall of roating seat, threaded connection has adjusting bolt on the fixed column, swing joint has flexible post in the fixed column, and the flexible post of multiunit keeps away from the one end of fixed column and a plurality of solid fixed ring's a lateral wall rigid coupling, the fixed intra-annular has set firmly the centre gripping subassembly.

The scheme is as follows:

the motor is a common component in the prior art, and the adopted model and the like can be customized according to the actual use requirement.

As a preferred embodiment, four arc-shaped blocks are fixedly connected to the positions of the two side walls of the rotating base close to the edges, and the eight arc-shaped blocks are respectively connected in two annular grooves formed in the inner side wall of the fixed frame in a sliding manner.

In a preferred embodiment, the rotating base is provided with a plurality of through holes with the same diameter as the inner ring of the fixed ring.

As a preferred embodiment, the centre gripping subassembly is including inlaying the bearing housing a of establishing on solid fixed ring lateral wall, and the bearing housing an internal rotation is connected with the handle, the handle extends to solid fixed ring inside one and serves the rigid coupling and have gear a, and gear a meshes with interior ring gear mutually, interior ring gear meshes with four gear b mutually, gear b rigid coupling is on the lateral wall of threaded rod, the threaded rod is close to one of gear a and serves and rotate and be connected with bearing housing b, bearing housing b inlays and establishes on solid fixed ring's inside wall, helical drive is connected with a screw thread section of thick bamboo on the threaded rod, and the one end of a screw thread section of thick bamboo runs through solid fixed ring and rigid coupling has curved clamp splice.

As a preferred embodiment, a side wall of the inner gear ring is fixedly connected with a limit ring, the limit ring is slidably connected in a limit groove formed in the fixing ring, and the cross sections of the limit ring and the limit groove are both T-shaped.

As a preferred embodiment, two sliding blocks are fixedly connected to the outer side wall of the threaded cylinder, and the two sliding blocks are respectively slidably connected in two sliding grooves formed in the fixing ring.

Compared with the prior art, the utility model provides a pivot processing centre gripping frock includes following beneficial effect at least:

(1) the rotating shaft is inserted into the two fixed rings by utilizing the corresponding fixed rings on the two sides of the rotating seat, the gear a is driven to rotate by rotating the handle under the action of the clamping assembly, the gear a drives the four gears b to rotate under the action of the inner gear ring, the threaded rod is driven to rotate by the rotation of the gears b, the threaded rod is pushed to move after rotating, and then the four clamping blocks clamp the two ends of the rotating shaft, so that the rotating shaft is more stable and is not easy to shake during machining, and the machining precision of the rotating shaft is improved;

(2) through the effect of a plurality of solid fixed rings to can carry out the centre gripping operation to a plurality of pivots, can realize the processing of not shutting down of a plurality of pivots, improve machining efficiency, and through the setting of motor, worm axle and worm wheel ring gear, it is rotatory to utilize motor work to drive the worm axle, and the worm axle drives the worm wheel ring gear rotatory, thereby makes the roating seat rotatory, and a plurality of solid fixed rings of exchangeable use, thereby conveniently process the work to a plurality of pivots.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of each component of the fixing frame of the present invention;

FIG. 3 is a schematic sectional view of the fixing ring of the present invention;

FIG. 4 is a schematic structural view of the clamping assembly of the present invention;

FIG. 5 is a schematic view of the fixing ring of the present invention after being half-cut and disassembled from the spacing ring;

fig. 6 is the utility model discloses the split structure sketch map of mount after half-section with the rotation axis.

In the figure: 1. a fixed mount; 2. a motor; 3. a worm shaft; 4. a bearing seat; 5. a worm gear ring; 6. a rotating base; 61. a through hole; 7. an arc-shaped block; 8. an annular groove; 9. fixing a column; 10. a telescopic column; 11. adjusting the bolt; 12. a fixing ring; 121. a limiting groove; 122. a chute; 13. a clamping assembly; 131. a bearing sleeve a; 132. a handle; 133. a gear a; 134. an inner gear ring; 1341. a limiting ring; 135. a gear b; 136. a threaded rod; 137. a bearing sleeve b; 138. a threaded barrel; 1381. a slider; 139. and (5) clamping blocks.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-6, the utility model provides a rotating shaft processing and clamping tool, which comprises a fixing frame 1, a motor 2 is installed at the bottom of the fixing frame 1, a worm shaft 3 is fixedly connected to an output shaft of the motor 2, one end of the worm shaft 3, which is far away from the motor 2, is rotatably connected to the fixing frame 1 through a bearing seat 4, the worm shaft 3 is meshed with a worm gear ring 5, the worm gear ring 5 is fixedly connected to the outer side wall of a rotating seat 6, four arc-shaped blocks 7 are fixedly connected to the positions of the two side walls of the rotating seat 6, which are close to the edge, and eight arc-shaped blocks 7 are respectively slidably connected to two annular grooves 8 (see fig. 6) formed on the inner side wall of the fixing frame 1; through the cooperation use of arc piece 7 and arc wall to make 7 spacing slides of arc piece in ring channel 8, carry out spacing rotation to roating seat 6, keep 6 pivoted stability of roating seat.

A plurality of through holes 61 (see fig. 6) which are consistent with the inner ring diameter of the fixed ring 12 are formed on the rotating seat 6; the rotating shaft can pass through the rotating shaft conveniently.

Two side walls of the rotary seat 6 are fixedly connected with a plurality of groups of fixed columns 9, adjusting bolts 11 are connected with the fixed columns 9 through threads, telescopic columns 10 are movably connected in the fixed columns 9, one ends of the groups of telescopic columns 10 far away from the fixed columns 9 are fixedly connected with one side wall of a plurality of fixed rings 12, clamping assemblies 13 are fixedly arranged in the fixed rings 12, each clamping assembly 13 comprises a bearing sleeve a131 embedded on the outer side wall of each fixed ring 12, a handle 132 is rotatably connected in the bearing sleeve a131, one end of the handle 132 extending to the inside of each fixed ring 12 is fixedly connected with a gear a133, the gear a133 is meshed with an inner gear ring 134, the inner gear ring 134 is meshed with four gears b135, the gears b135 are fixedly connected on the outer side wall of a threaded rod 136, one end of the threaded rod 136 close to the gear a133 is rotatably connected with a bearing sleeve b137, the bearing sleeve b137 is embedded on the inner side wall of each fixed ring 12, and a threaded barrel 138 is connected to the threaded rod 136 in a spiral transmission manner, one end of the threaded cylinder 138 penetrates through the fixing ring 12 and is fixedly connected with an arc-shaped clamping block 139 (see fig. 3 and 4); the rotating handle 132 drives the gear a133 to rotate, the gear a133 drives the four gears b135 to rotate under the action of the inner gear ring 134, the gears b135 rotate to drive the threaded rod 136 to rotate, the threaded rod 136 rotates to push the threaded cylinder 138 to move, and then the four clamping blocks 139 clamp two ends of the rotating shaft, so that the rotating shaft is more stable and is not easy to shake during machining.

A limit ring 1341 is fixedly connected to one side wall of the inner gear ring 134, the limit ring 1341 is slidably connected to a limit groove 121 formed in the fixing ring 12, and the cross sections of the limit ring 1341 and the limit groove 121 are both T-shaped (see fig. 5); through the arrangement of the limiting ring 1341 and the limiting groove 121, the inner gear ring 134 is more stable and effective in rotation.

Two sliding blocks 1381 are fixedly connected to the outer side wall of the threaded cylinder 138, and the two sliding blocks 1381 are respectively slidably connected to two sliding grooves 122 formed in the fixed ring 12 (see fig. 3 and 4); through the setting of slider 1381 and spout 122 to spacing to screw thread section of thick bamboo 138, can drive screw thread section of thick bamboo 138 smoothly after guaranteeing the threaded rod 136 rotation and remove.

When in use, the integral body is firstly installed in a processing device, the rotating shaft is inserted into the two fixing rings 12 by using the fixing rings 12 corresponding to the two sides of the rotating base 6, the rotating handle 132 drives the gear a133 to rotate under the action of the clamping assembly 13, the gear a133 drives the four gears b135 to rotate under the action of the inner gear ring 134, the gears b135 rotate to drive the threaded rod 136 to rotate, the threaded rod 136 pushes the threaded cylinder 138 to move after rotating, and then the four clamping blocks 139 clamp the two ends of the rotating shaft, so that the rotating shaft is more stable and less prone to shake during processing, the processing precision of the rotating shaft is improved, and the rotating shaft can be clamped by using the action of the plurality of fixing rings 12, the non-stop processing of the plurality of rotating shafts can be realized, the processing efficiency is improved, finally, the worm shaft 3 is driven to rotate by using the motor 2 through the arrangement of the motor 2, the worm shaft 3 and the worm gear ring 5, thereby make roating seat 6 rotatory, a plurality of solid fixed rings 12 of exchangeable use to the convenience can to a plurality of pivots processing work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pivot processing centre gripping frock, includes mount (1), its characterized in that: motor (2) are installed to the bottom of mount (1), the rigid coupling has worm axle (3) on the output shaft of motor (2), the one end that motor (2) were kept away from in worm axle (3) is passed through bearing frame (4) and is rotated and connect in mount (1), worm axle (3) mesh mutually with worm wheel ring gear (5), worm wheel ring gear (5) rigid coupling is on the lateral wall of roating seat (6), equal rigid coupling has multiunit fixed column (9) on the both sides wall of roating seat (6), threaded connection has adjusting bolt (11) on fixed column (9), swing joint has flexible post (10) in fixed column (9), and one end that fixed column (9) were kept away from in multiunit flexible post (10) and a lateral wall rigid coupling of a plurality of solid fixed rings (12), gu fixed ring (12) internal fixation has centre gripping subassembly (13).

2. The rotating shaft machining and clamping tool according to claim 1, characterized in that: the two side walls of the rotating seat (6) are fixedly connected with four arc-shaped blocks (7) at positions close to the edges, and the eight arc-shaped blocks (7) are respectively connected in two annular grooves (8) formed in the inner side wall of the fixed frame (1) in a sliding manner.

3. The rotating shaft machining and clamping tool according to claim 1, characterized in that: and a plurality of through holes (61) with the same diameter as the inner ring of the fixing ring (12) are formed in the rotating seat (6).

4. The rotating shaft machining and clamping tool according to claim 1, characterized in that: centre gripping subassembly (13) including inlay bearing housing a (131) of establishing on solid fixed ring (12) lateral wall, and bearing housing a (131) internal rotation is connected with handle (132), handle (132) extend to solid fixed ring (12) inside one serve the rigid coupling have gear a (133), and gear a (133) and internal tooth ring (134) mesh mutually, internal tooth ring (134) and four gear b (135) mesh mutually, gear b (135) rigid coupling is on the lateral wall of threaded rod (136), threaded rod (136) are close to the one end of gear a (133) and are rotated and are connected with bearing housing b (137), bearing housing b (137) are inlayed and are established on the inside wall of solid fixed ring (12), screw drive is connected with screw thread section of thick bamboo (138) on threaded rod (136), and the one end of screw thread section of thick bamboo (138) runs through solid fixed ring (12) and the rigid coupling has curved clamp splice (139).

5. The rotating shaft machining and clamping tool according to claim 4, characterized in that: a limit ring (1341) is fixedly connected to one side wall of the inner gear ring (134), the limit ring (1341) is slidably connected into a limit groove (121) formed in the fixing ring (12), and the cross sections of the limit ring (1341) and the limit groove (121) are both T-shaped.

6. The rotating shaft machining and clamping tool according to claim 4, characterized in that: two sliding blocks (1381) are fixedly connected to the outer side wall of the threaded cylinder (138), and the two sliding blocks (1381) are respectively connected in two sliding grooves (122) formed in the fixed ring (12) in a sliding manner.