CN219054145U

CN219054145U - Rotatable compaction clamp

Info

Publication number: CN219054145U
Application number: CN202223477971.4U
Authority: CN
Inventors: 李泽; 张佳; 刘洋; 王利民; 李伟; 李婧
Original assignee: China Ordnance Industry Group Jiangshan Heavy Industry Research Institute Co ltd
Current assignee: China Ordnance Industry Group Jiangshan Heavy Industry Research Institute Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-23
Anticipated expiration: 2032-12-26

Abstract

The rotatable compression fixture comprises a fixture base, a rotating shaft, a support arm, a compression mechanism and an adjustable supporting seat, wherein the rotating shaft and the adjustable supporting seat are arranged on the fixture base; the rotary shaft is provided with a limiting groove, a limiting hole matched with the limiting groove is formed in the mounting sleeve, and when the limiting hole moves to overlap with the limiting groove, the reset knob plunger is inserted into the limiting groove through the limiting hole, and the positions of the support arm and the rotary shaft are fixed. The utility model has simple structure and easy operation, reduces the working strength, shortens the processing and production changing time of the product and improves the production efficiency.

Description

Rotatable compaction clamp

Technical Field

The utility model belongs to the field of machine manufacturing, and particularly relates to a compression clamp.

Background

At present, most common part compacting modes still use the modes of pressing plates, screws, nuts and cushion blocks, the parts are required to be found everywhere when the first clamping is usually carried out in the compacting mode, the cushion blocks are required to be adjusted when the second clamping is carried out, the production is changed slowly, and the production efficiency is seriously affected.

Disclosure of Invention

The utility model aims to solve the technical defects, so as to provide the rotatable compression clamp for the support arm, which has the advantages of simple structure, easy operation, reduced working strength, shortened product processing and production changing time and improved production efficiency.

The technical scheme of the utility model is as follows:

the clamp comprises a clamp base, a rotating shaft, a support arm, a pressing mechanism and an adjustable supporting seat, wherein the rotating shaft and the adjustable supporting seat are arranged on the clamp base; the rotary shaft is provided with a limiting groove, a limiting hole matched with the limiting groove is formed in the mounting sleeve, and when the limiting hole moves to overlap with the limiting groove, the reset knob plunger is inserted into the limiting groove through the limiting hole, and the positions of the support arm and the rotary shaft are fixed.

The lower end of the rotating shaft is provided with a thrust ball bearing, and the upper end of the rotating shaft is provided with a deep groove ball bearing.

And a sealing plate for fixing the deep groove ball bearing is arranged at the top end of the rotating shaft.

The limit grooves are 4 and uniformly distributed on the outer wall of the upper part of the rotating shaft.

The lower part of the adjustable supporting seat is provided with a screw rod part, the upper end of the screw rod part is provided with a mounting platform, the screw rod part is connected with a nut arranged at a mounting hole at the front end of the clamp base through threads, and the rotating shaft is arranged at the rear end of the clamp base through bolts.

The compressing mechanism is a screw, a handle is arranged at the upper end of the screw, a pressure head is arranged at the lower end of the screw, and the screw is arranged at a threaded hole of the arm part of the support arm.

The utility model is fixed on the production station by means of the clamp base. The rotary shaft is mounted on the clamp base by bolts at the rear end of the clamp base. The rotating shaft is provided with 4 limit grooves which are distributed radially. The support arm is installed on the rotation axis, and when the support arm is connected with the rotation axis, the lower extreme is equipped with thrust ball bearing, and the upper end is equipped with deep groove ball bearing, realizes the rotation of support arm on the rotation axis, and the rotation axis top is equipped with the shrouding and fixes deep groove ball bearing. Meanwhile, the rear side of the support arm is provided with a limiting hole, a reset knob plunger is installed, and 4 rotary positions of the support arm are fixed by matching with 4 limiting grooves on the rotary shaft. The adjustable supporting seat is installed at the front end of the clamp base by means of threaded connection, the height of the lower end of the clamping surface of the workpiece can be adjusted, the clamping device is suitable for the compression of different workpieces, and meanwhile, the adjustable supporting seat is provided with a nut to lock the height of the adjustable supporting seat. The compressing mechanism is arranged at the tail end of the support arm and compresses and loosens the workpiece by means of screw tightness.

The utility model is applied to part fixation during machining and welding, has the advantages of convenient clamping, simple structure and easy operation, reduces the working strength, shortens the production time of product processing and production replacement, and improves the production efficiency.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic view of the structure of the rotary shaft of the present utility model;

FIG. 4 is a schematic view of the arm of the present utility model;

FIG. 5 is a schematic partial cross-sectional view of an adjustable support base of the present utility model;

in the figure: 1. a reset knob plunger; 2. a support arm; 3. a rotation shaft; 4. a clamp base; 5. a sealing plate; 6. a compressing mechanism; 7. an adjustable support base; 8. deep groove ball bearings; 9. a thrust ball bearing; 10. a limit groove; 11. a limiting hole; 12. and (3) a nut.

Description of the embodiments

In fig. 1-5, the utility model comprises a clamp base 4, a rotating shaft 3, a support arm 2, a thrust ball bearing 9, a deep groove ball bearing 8, a reset knob plunger 1, a sealing plate 5, a pressing mechanism 6 and an adjustable supporting seat 7.

A rotatable compression clamp of a support arm is fixed on a production station by a clamp base 4. The rotary shaft 3 is mounted to the jig base 4 by bolts at the rear end thereof. The rotating shaft is provided with 4 limit grooves 10 which are distributed radially. The support arm 2 is installed on the rotation axis, and when the support arm 2 is connected with the rotation axis 3, the lower extreme is equipped with thrust ball bearing 9, and the upper end is equipped with deep groove ball bearing 8, realizes the rotation of support arm 2 on the rotation axis 3, and the rotation axis 3 top is equipped with shrouding 5 and fixes deep groove ball bearing 8. The support arm 2 is provided with a limit hole 11 matched with the limit groove 10. Meanwhile, the rear side of the support arm 2 is provided with a reset knob plunger 1, and 4 rotary positions of the support arm are fixed by matching with 4 limit grooves on the rotary shaft 3. When the limiting hole 11 moves to overlap with the limiting groove 10, the reset knob plunger 1 is inserted into the limiting groove 10 through the limiting hole 11, and the positions of the support arm 2 and the rotating shaft 3 are fixed.

The adjustable supporting seat 7 is installed at the front end of the clamp base 4 by means of threaded connection, the height of the lower end of the clamping surface of the workpiece can be adjusted, the clamping of different workpieces is adapted, meanwhile, the nut 12 is arranged on the adjustable supporting seat 7, and the height of the adjustable supporting seat 7 is locked. The compressing mechanism 6 is arranged at the tail end of the support arm 2, and the compressing mechanism 6 compresses and loosens the workpiece by means of screw tightness.

Claims

1. A rotatable compaction fixture, characterized in that: the clamp comprises a clamp base (4), a rotating shaft (3), a support arm (2), a pressing mechanism (6) and an adjustable supporting seat (7), wherein the rotating shaft (3) and the adjustable supporting seat (7) are arranged on the clamp base (4), the support arm (2) is provided with a mounting sleeve matched with the rotating shaft (3) and an arm part connected with the outer wall of the mounting sleeve, the mounting sleeve of the support arm (2) is sleeved outside the rotating shaft (3) through a bearing, and the arm part is provided with the pressing mechanism (6) corresponding to the adjustable supporting seat (7); the rotary knob is characterized by further comprising a reset knob plunger (1) used for limiting the rotation position of the support arm (2) along the rotary shaft (3), a limiting groove (10) is formed in the rotary shaft (3), a limiting hole (11) matched with the limiting groove (10) is formed in the mounting sleeve, when the limiting hole (11) moves to be overlapped with the limiting groove (10), the reset knob plunger (1) is inserted into the limiting groove (10) through the limiting hole (11), and the support arm (2) is fixed with the rotary shaft (3) in position.

2. The rotatable compaction fixture according to claim 1, wherein: the lower end of the rotating shaft (3) is provided with a thrust ball bearing (9), and the upper end of the rotating shaft (3) is provided with a deep groove ball bearing (8).

3. The rotatable compaction fixture according to claim 2, wherein: a sealing plate (5) for fixing the deep groove ball bearing (8) is arranged at the top end of the rotating shaft (3).

4. The rotatable compaction fixture according to claim 2, wherein: the number of the limit grooves (10) is 4, and the limit grooves are uniformly distributed on the outer wall of the upper part of the rotating shaft (3).

5. The rotatable compaction fixture according to claim 1, wherein: the lower part of the adjustable supporting seat (7) is provided with a screw rod part, the upper end of the screw rod part is provided with a mounting platform, the screw rod part is connected with a nut (12) arranged at a mounting hole at the front end of the clamp base (4) through threads, and the rotating shaft (3) is arranged at the rear end of the clamp base (4) through bolts.

6. The rotatable compaction fixture according to claim 1, wherein: the compressing mechanism (6) is a screw, a handle is arranged at the upper end of the screw, a pressure head is arranged at the lower end of the screw, and the screw is arranged at a threaded hole of the arm part of the support arm (2).