CN217192666U

CN217192666U - High-stability clamping device for machining

Info

Publication number: CN217192666U
Application number: CN202220687721.4U
Authority: CN
Inventors: 石荣祥; 陈植; 范世明
Original assignee: Anhui Hanyang Precision Machinery Co ltd
Current assignee: Anhui Hanyang Precision Machinery Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-16
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a high stability type clamping device for machining relates to machine tool fixture technical field, and for the adjustment mechanism who solves current machine tool fixture does not have fixed knot and constructs, makes adjustment mechanism gyration because of external force easily when grasping the work piece to make fixture loosen, lead to the work piece not hard up problem that the emergence accident dropped even. The fixture comprises a fixture base, a toothed disc is arranged inside the fixture base and connected with the fixture base through a shaft, a fixed clamping block is arranged below the front end of the toothed disc, a clamping pin sliding groove is formed in the upper portion of the fixed clamping block, a moving block is arranged inside the clamping pin sliding groove, a fixed clamping pin is arranged above the moving block, fixed teeth are arranged above the fixed clamping pin, a movable pulling block is arranged below the rear end of the fixed clamping pin, a fixed pulling block is arranged at the front end of the movable pulling block, and the movable pulling block is connected with the fixed pulling block through a spring.

Description

High-stability clamping device for machining

Technical Field

The utility model relates to a machine tool clamp technical field specifically is a high stable form clamping device for machining.

Background

The jig is a device for fixing a machining object in a correct position for receiving construction or detection in a machine manufacturing process, and is also called a jig, and can be divided into a machine tool jig, a three-coordinate jig, an industrial robot jig, a milling machine jig, and a bearing seat jig according to different purposes, wherein the machine tool jig is a jig for machining the inner and outer revolution surfaces and end surfaces of a workpiece on a machine tool, called a lathe jig, and is mostly mounted on a spindle, and a small number of the jigs are mounted on a saddle or a lathe bed.

However, the adjusting mechanism of the existing machine tool clamp has no fixed structure, and when a workpiece is clamped, the adjusting mechanism is easy to rotate due to external force, so that the clamping mechanism is loosened, and the workpiece is loosened and even falls off to cause accidents; therefore, the conventional requirements are not satisfied, and a high-stability clamping device for machining is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high stability type clamping device for machining to the adjustment mechanism who solves the current jig that provides among the above-mentioned background art does not have fixed knot to construct, makes adjustment mechanism gyration because of external force easily when grasping the work piece, thereby makes fixture loosen, leads to the work piece not hard up problem that the emergence accident dropped even.

In order to achieve the above object, the utility model provides a following technical scheme: a high-stability clamping device for machining comprises a fixed clamp, a clamp base is arranged below the fixed clamp, a fluted disc is arranged inside the clamp base and connected with the clamp base through a shaft, a fixed clamping block is arranged below the front end of the fluted disc, a clamping pin sliding groove is arranged inside the upper portion of the fixed clamping block and integrated with the fixed clamping block, a moving block is arranged inside the clamping pin sliding groove and movably connected with the clamping pin sliding groove in an embedded manner, a fixed clamping pin is arranged above the moving block and integrated with the moving block, fixed teeth are arranged above the fixed clamping pin and integrated with the fixed clamping pin, a movable pulling block is arranged below the rear end of the fixed clamping pin and integrated with the fixed clamping pin, and a fixed pulling block is arranged at the front end of the movable pulling block, and the fixed pulling block is arranged in the bayonet lock sliding groove and is welded with the fixed clamping block, and the movable pulling block is connected with the fixed pulling block through a spring.

Preferably, both sides of the inside of the bayonet lock sliding groove are provided with positioning sliding grooves, the positioning sliding grooves and the bayonet lock sliding groove are of an integrated structure, both sides of the moving block are provided with positioning blocks, the positioning blocks and the moving block are of an integrated structure, and the positioning blocks are movably connected with the positioning sliding grooves in an embedded mode.

Preferably, a thread ring is arranged above the fluted disc, the thread ring and the fluted disc are of an integral structure, and a sliding tooth clamp is arranged below the fluted disc and is meshed with the fixed teeth.

Preferably, the inside three clamp splice grooves that are provided with in top of anchor clamps base, and clamp splice groove and anchor clamps base structure as an organic whole, the inside both sides in clamp splice groove all are provided with fixed strip groove, and fixed strip groove and clamp splice groove structure as an organic whole, the centre of anchor clamps base front end is provided with the regulation screw, and adjusts screw and anchor clamps base structure as an organic whole.

Preferably, the inside in clamp splice groove is provided with the removal clamp splice, and removes the embedded swing joint in clamp splice groove, the both sides of removing the clamp splice all are provided with the slip fixed strip, and slip fixed strip and remove clamp splice structure as an organic whole, the below of removing the clamp splice is provided with a plurality of removal thread grooves, and removes the thread groove and removes the clamp splice structure as an organic whole, and the embedded swing joint in thread circle and removal thread groove.

Preferably, a gear is arranged at the front end of the moving block and connected with the moving block shaft, a hexagonal screw hole is formed in the front end of the gear, the hexagonal screw hole and the gear are of an integral structure, and the hexagonal screw hole is arranged at the rear end of the adjusting screw hole.

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

the utility model arranges a fixed clamping block below a fluted disc, a movable moving block in a clamping pin sliding groove, a fixed tooth is arranged on the fixed clamping pin above the moving block, so that the moving block can drive the fixed tooth to move back and forth when moving, a movable pulling block is arranged below the rear end of the fixed clamping pin, a fixed pulling block is arranged at the front end of the movable pulling block, the fixed pulling block is connected with the movable pulling block by a spring, the fixed tooth can be pushed backwards by pushing the moving block, the fixed tooth can be pushed backwards by pushing the spring, when the fluted disc needs to be rotated, the gear is pushed backwards to be meshed with teeth below the fluted disc, the fluted disc can be rotated by the rotating gear, so that the movable clamping block is driven to be tightened towards the middle or loosened outwards, after a workpiece is clamped, the gear is loosened, the spring can drive the fixed rebound clamping pin, the fixed tooth on the fixed clamping pin is meshed with teeth below the fluted disc, the fluted disc can be fixed, the problem that the adjusting mechanism of the existing machine tool clamp has no fixed structure and easily rotates due to external force when clamping a workpiece, so that the clamping mechanism is loosened to cause the workpiece to loosen or even fall to cause accidents is solved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a fixing structure of a fluted disc of the present invention;

in the figure: 1. fixing the clamp; 2. a clamp base; 3. a fluted disc; 4. fixing the fixture block; 5. a bayonet lock chute; 6. positioning the chute; 7. a moving block; 8. positioning blocks; 9. fixing the bayonet lock; 10. moving the pulling block; 11. fixing the pulling block; 12. a spring; 13. a gear; 14. a hexagonal screw hole; 15. fixing teeth; 16. a thread ring; 17. moving the clamping block; 18. moving the screw groove; 19. sliding the fixing strip; 20. a clamp block groove; 21. fixing the strip groove; 22. and adjusting the screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a high-stability clamping device for machining comprises a fixed clamp 1, a clamp base 2 is arranged below the fixed clamp 1, a fluted disc 3 is arranged inside the clamp base 2, the fluted disc 3 is connected with the clamp base 2 through a shaft, a fixed clamping block 4 is arranged below the front end of the fluted disc 3, a clamping pin sliding groove 5 is arranged inside the upper part of the fixed clamping block 4, the clamping pin sliding groove 5 and the fixed clamping block 4 are of an integral structure, a moving block 7 is arranged inside the clamping pin sliding groove 5, the moving block 7 is movably connected with the clamping pin sliding groove 5 in an embedded manner, a fixed clamping pin 9 is arranged above the moving block 7, the fixed clamping pin 9 and the moving block 7 are of an integral structure, a fixed tooth 15 is arranged above the fixed clamping pin 9, the fixed tooth 15 and the fixed clamping pin 9 are of an integral structure, a movable pull block 10 is arranged below the rear end of the fixed clamping pin 9, and the movable pull block 10 and the fixed clamping pin 9 are of an integral structure, the front end of the movable pulling block 10 is provided with a fixed pulling block 11, the fixed pulling block 11 is arranged inside the bayonet sliding groove 5, the fixed pulling block 11 is connected with the fixed clamping block 4 in a welded mode, the movable pulling block 10 is connected with the fixed pulling block 11 through a spring 12, and after the fixed teeth 15 are pulled back by the spring 12, the fixed teeth are meshed with teeth below the fluted disc 3, so that the fluted disc 3 can be fixed, the fluted disc 3 is prevented from rotating again, and the clamping mechanism is loosened.

Furthermore, the inside both sides of bayonet lock spout 5 all are provided with location spout 6, and location spout 6 and bayonet lock spout 5 structure as an organic whole, and the both sides of movable block 7 all are provided with locating piece 8, and locating piece 8 and movable block 7 structure as an organic whole, and locating piece 8 and the embedded swing joint of location spout 6, and location spout 6 can block locating piece 8 to the fixed bayonet lock 9 that makes and be connected with movable block 7 can only move back and forth, can block fluted disc 3 and make it can not rotate.

Further, a thread ring 16 is disposed above the gear plate 3, the thread ring 16 and the gear plate 3 are integrated, a sliding tooth clip is disposed below the gear plate 3, and the sliding tooth clip is engaged with the fixed teeth 15, and the movable clamping block 17 can move forward or backward by rotating the thread ring 16, so as to clamp the workpiece.

Further, inside three clamp splice groove 20 that is provided with in the top of anchor clamps base 2, and clamp splice groove 20 and anchor clamps base 2 structure as an organic whole, the inside both sides in clamp splice groove 20 all are provided with fixed strip groove 21, and fixed strip groove 21 and clamp splice groove 20 structure as an organic whole, the centre of anchor clamps base 2 front end is provided with adjusting screw 22, and adjust screw 22 and anchor clamps base 2 structure as an organic whole, fixed strip groove 21 can clip slip fixed strip 19, will remove clamp splice 17 and fix inside clamp splice groove 20, make it can only remove to centre or outside, so that the centre gripping or unclamp the work piece.

Further, the inside of clamp splice groove 20 is provided with removal clamp splice 17, and remove clamp splice 17 and the embedded swing joint of clamp splice groove 20, the both sides of removing clamp splice 17 all are provided with slip fixed strip 19, and slip fixed strip 19 and removal clamp splice 17 structure as an organic whole, the below of removing clamp splice 17 is provided with a plurality of removal screw grooves 18, and remove screw groove 18 and remove clamp splice 17 structure as an organic whole, and threaded ring 16 and the embedded swing joint of removal screw groove 18, three removal clamp splice 17 is to middle or outside removal, can be with the work piece centre gripping or unclamp to process the work piece.

Further, the front end of the moving block 7 is provided with a gear 13, the gear 13 is connected with the shaft of the moving block 7, hexagonal screw holes 14 are formed in the front end of the gear 13, the hexagonal screw holes 14 and the gear 13 are of an integral structure, the hexagonal screw holes 14 are arranged at the rear end of the adjusting screw holes 22, when the fluted disc 3 needs to be rotated, the gear 13 can be pushed backwards, teeth on the gear 13 are meshed with teeth below the fluted disc 3, and the rotating gear 13 can drive the fluted disc 3 to rotate, so that the workpiece can be clamped by the clamp.

The working principle is as follows: when the clamping device is used, if the clamping device is adjusted to loosen or tighten a workpiece, the gear 13 is pressed inwards, the moving block 7 is moved backwards, the fixed teeth 15 on the sliding fixed bar 19 are driven to move backwards, the fixed teeth 15 are separated from the teeth below the fluted disc 3, the teeth below the fluted disc 3 of the gear 13 are meshed, the gear 13 is rotated, the fluted disc 3 is driven to rotate, the three movable clamping blocks 17 are driven to move towards the middle or the outer side, the workpiece is clamped or loosened, after the adjustment is finished, the gear 13 is loosened, the movable pulling block 10 is pulled by the spring 12 to move forwards, the gear 13 is driven to be separated from the teeth below the fluted disc 3, the fixed teeth 15 move forwards to be meshed with the teeth below the fluted disc 3, the fluted disc 3 is fixed and cannot move, the problem that an adjusting mechanism of the existing clamping device of the machine tool has no fixed structure is solved, the adjusting mechanism is easy to rotate due to external force when the workpiece is clamped, so that the clamping mechanism is loosened, the workpiece is loosened and even falls off, and accidents occur.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. The utility model provides a high stability type clamping device for machining, includes mounting fixture (1), its characterized in that: a clamp base (2) is arranged below the fixed clamp (1), a fluted disc (3) is arranged inside the clamp base (2), the fluted disc (3) is connected with the clamp base (2) through a shaft, a fixed clamping block (4) is arranged below the front end of the fluted disc (3), a clamping pin sliding groove (5) is arranged inside the upper part of the fixed clamping block (4), the clamping pin sliding groove (5) and the fixed clamping block (4) are of an integral structure, a moving block (7) is arranged inside the clamping pin sliding groove (5), the moving block (7) is movably connected with the clamping pin sliding groove (5) in an embedded manner, a fixed clamping pin (9) is arranged above the moving block (7), the fixed clamping pin (9) and the moving block (7) are of an integral structure, a fixed tooth (15) is arranged above the fixed clamping pin (9), and the fixed tooth (15) and the clamping pin (9) are of an integral structure, the rear end below of fixed bayonet lock (9) is provided with the removal and draws piece (10), and removes and draw piece (10) and fixed bayonet lock (9) structure as an organic whole, the front end that removes to draw piece (10) is provided with the fixed piece (11) that draws, and fixed drawing piece (11) setting is in the inside of bayonet lock spout (5), and fixed drawing piece (11) and fixed fixture block (4) welded connection, the removal is drawn piece (10) and fixed drawing piece (11) and is passed through spring (12) and be connected.

2. The high-stability clamping device for machining according to claim 1, wherein: the locating mechanism is characterized in that locating sliding grooves (6) are formed in two sides of the interior of the bayonet lock sliding groove (5), the locating sliding grooves (6) and the bayonet lock sliding groove (5) are of an integrated structure, locating blocks (8) are arranged on two sides of the moving block (7), the locating blocks (8) and the moving block (7) are of an integrated structure, and the locating blocks (8) are movably connected with the locating sliding grooves (6) in an embedded mode.

3. The high-stability clamping device for machining according to claim 1, wherein: the upper portion of fluted disc (3) is provided with thread circle (16), and thread circle (16) and fluted disc (3) structure as an organic whole, the below of fluted disc (3) is provided with the slip tooth card, and the slip tooth card is connected with fixed tooth (15) meshing.

4. The high-stability clamping device for machining according to claim 1, wherein: the fixture comprises a fixture base (2), and is characterized in that three clamp block grooves (20) are arranged inside the top of the fixture base (2), the clamp block grooves (20) and the fixture base (2) are of an integrated structure, fixing strip grooves (21) are arranged on two sides of the inside of the clamp block grooves (20), the fixing strip grooves (21) and the clamp block grooves (20) are of an integrated structure, adjusting screw holes (22) are formed in the middle of the front end of the fixture base (2), and the adjusting screw holes (22) and the fixture base (2) are of an integrated structure.

5. A machining high-stability clamping device according to claim 4, wherein: the inside in clamp splice groove (20) is provided with removal clamp splice (17), and removes clamp splice (17) and the embedded swing joint in clamp splice groove (20), the both sides of removing clamp splice (17) all are provided with slip fixed strip (19), and slip fixed strip (19) and remove clamp splice (17) structure as an organic whole, the below of removing clamp splice (17) is provided with a plurality of removal thread grooves (18), and removes thread groove (18) and removes clamp splice (17) structure as an organic whole, and thread circle (16) and the embedded swing joint in removal thread groove (18).

6. The high-stability clamping device for machining according to claim 1, wherein: the front end of the moving block (7) is provided with a gear (13), the gear (13) is connected with the moving block (7) through a shaft, a hexagonal screw hole (14) is formed in the front end of the gear (13), the hexagonal screw hole (14) and the gear (13) are of an integral structure, and the hexagonal screw hole (14) is arranged at the rear end of the adjusting screw hole (22).