CN216398788U

CN216398788U - Clamp for numerical control machining

Info

Publication number: CN216398788U
Application number: CN202122663837.2U
Authority: CN
Inventors: 杨静
Original assignee: Zhejiang Lichen Machinery Co ltd
Current assignee: Zhejiang Lichen Machinery Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-29
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to the technical field of numerical control machining, and discloses a clamp for numerical control machining, which comprises a base, wherein a machining seat is fixedly welded on the upper surface of the base, stand columns are fixedly welded on the left side and the right side of the upper surface of the machining seat, a top seat is fixedly welded on the top ends of the stand columns, a screw shaft is fixedly welded in the middle of the bottom surface of the top seat, a screw sleeve is connected with the outer surface of the screw shaft in a threaded manner, a telescopic handle is fixedly welded on the outer surface of the screw sleeve, a machining groove is formed in the middle of the upper surface of the machining seat, adjusting bolts are connected with the left side surface and the right side surface of the machining seat in a threaded manner, and a clamping device is arranged inside the machining groove. According to the clamp for numerical control machining, the base is fixed on the table top, and the rectangular or cylindrical numerical control workpiece can be clamped through the clamping device, so that the clamp is convenient to use.

Description

Clamp for numerical control machining

Technical Field

The utility model relates to the technical field of numerical control machining, in particular to a clamp for numerical control machining.

Background

Numerical control processing such as milling machine, lathe etc. is finishing the back with work piece processing, need fix the work piece so that the finish work is polished once more, mostly all use the bench vice when fixing the work piece, make both sides parallel port splint be close to each other through rotating the lead screw promptly and can the centre gripping work piece, but present bench vice mostly is fixed on the desktop, can only push down the lead screw handle when the lead screw is rotated downwards to needs, it is comparatively inconvenient to exert oneself this moment, can lift up the lead screw handle when upwards rotating the lead screw, it is comparatively convenient to exert oneself this moment, and then it is uneven to exert oneself when easily making the lead screw rotate, lead to the work piece centre gripping unstable inadequately, in addition, current bench vice is hardly the cylindrical work piece of centre gripping, and then the limitation to the work piece centre gripping in the numerical control processing has further been restricted.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a clamp for numerical control machining, which solves the problem that the clamp is inconvenient to use in numerical control machining.

(II) technical scheme

In order to realize the purpose of convenient use of the clamp in the numerical control machining, the utility model provides the following technical scheme: the utility model provides a clamp for numerical control processing, includes the base, the last welded surface of base is fixed with the processing seat, the upper surface left and right sides welded fastening of processing seat has the stand, the top welded fastening of stand has the footstock, the bottom surface middle part welded fastening of footstock has the spiral shell axle, the surface threaded connection of spiral shell axle has the swivel nut, the surface welded fastening of swivel nut has flexible handle, the processing groove has been seted up at the upper surface middle part of processing seat, the equal threaded connection of the left and right sides face of processing seat has the adjusting bolt, the inside in processing groove is provided with clamping device.

Preferably, the clamping device comprises a left clamping sleeve, a right clamping sleeve, a rotary cake, a hinged block, a driving arm and a sliding disc, the left clamping sleeve and the right clamping sleeve are respectively connected to the left side and the right side of the bottom surface inside the processing groove in a sliding manner, the rotary cake is rotatably connected to the outer side of the bottom surface of the screw sleeve, the hinged block is rotatably connected to the bottom surface of the rotary cake, the driving arm is rotatably connected to one end, away from the rotary cake, of the hinged block, the sliding disc is slidably connected to the outer surface of the upright column and is positioned between the base and the screw sleeve, the base is fixed on the table top, when a workpiece with a flat end surface needs to be clamped, the workpiece can be placed on the upper surface of the processing seat, the telescopic handle can be rotated to drive the screw sleeve to rotate, the top end of the inclined driving arm can be moved along the circumferential direction of the screw sleeve through the rotary cake and the hinged block in the rotation process of the screw sleeve, and the bottom end of the inclined driving arm can not be moved, and then can make the bottom of actuating arm drive sliding tray and move down, thereby can carry out the centre gripping to the work piece of leveling the terminal surface fixed, and when needs are fixed with cylindrical work piece, can place cylindrical work piece in the inside of processing groove this moment, rotate the adjusting bolt of the left and right sides simultaneously, and then can make it drive left clamping sleeve and right clamping sleeve respectively and be close to each other and carry out the centre gripping to the surface left and right sides of cylindrical work piece, can carry on spacingly to the upside of cylindrical work piece through sliding tray simultaneously, thereby be convenient for carry out the centre gripping to cylindrical work piece.

Preferably, the left clamping sleeve and the right clamping sleeve are rotatably connected with the adjusting bolts on the left side and the right side through bearings respectively, and the adjusting bolts on the left side and the right side can drive the left clamping sleeve and the right clamping sleeve to approach each other and clamp the cylindrical workpiece respectively.

Preferably, the driving arm is inclined along the circumferential direction of the threaded sleeve, the upper end and the lower end of the driving arm are obliquely and symmetrically arranged, the rotary cake on the lower side of the driving arm is rotatably connected with the sliding disk, and the purpose of the driving arm is that the bottom end of the driving arm is not moved, and the top end of the driving arm deflects, so that the driving arm drives the sliding disk to move downwards.

Preferably, the end faces of the inner sides of the left clamping sleeve and the right clamping sleeve are arc-shaped, so that the left clamping sleeve and the right clamping sleeve can clamp the left side and the right side of the outer surface of the cylindrical workpiece conveniently.

Preferably, both sides are the arc shape around the processing groove, are convenient for place cylindrical work piece in the inside of processing groove to can carry out spacingly to the downside of work piece through processing the seat.

Compared with the prior art, the utility model provides a clamp for numerical control machining, which has the following beneficial effects:

1. this clamp for numerical control processing, when the work piece of the level and smooth terminal surface of needs centre gripping, can place the work piece at the upper surface of processing seat this moment, but the rotatory telescopic handle makes it drive the swivel nut and rotate simultaneously, and then can make the top of the actuating arm of slope move along swivel nut circumferencial direction through commentaries on classics cake and articulated piece at swivel nut pivoted in-process, its bottom is unmovable this moment, and then can make the bottom of actuating arm drive sliding disk move down to can carry out the centre gripping to the work piece of level and smooth terminal surface fixedly.

2. This clamp for numerical control processing when needs are fixed with cylindrical work piece, can place cylindrical work piece in the inside of processing groove this moment, rotates the adjusting bolt of the left and right sides simultaneously, and then can make it drive left clamping sleeve and right clamping sleeve respectively and be close to each other and carry out the centre gripping to the surface left and right sides of cylindrical work piece, can carry on spacingly to the upside of cylindrical work piece through the sliding tray simultaneously to be convenient for carry out the centre gripping to cylindrical work piece and fix.

Drawings

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

FIG. 2 is a schematic view of a structural tooling base of the present invention;

fig. 3 is a schematic view of the structural driving arm of the present invention.

Wherein: 1. a base; 2. processing a base; 3. a column; 4. a top seat; 5. a screw shaft; 6. a threaded sleeve; 7. a telescopic handle; 8. processing a tank; 9. adjusting the bolt; 10. a left clamping sleeve; 11. a right clamping sleeve; 12. cake turning; 13. a hinged block; 14. a drive arm; 15. a slide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a clamp for numerical control machining, which comprises a base 1, a machining seat 2 is fixedly welded on the upper surface of the base 1, upright posts 3 are fixedly welded on the left and right sides of the upper surface of the machining seat 2, a top seat 4 is fixedly welded on the top end of each upright post 3, a screw shaft 5 is fixedly welded in the middle of the bottom surface of each top seat 4, a screw sleeve 6 is connected with the outer surface of each screw shaft 5 through a screw thread, a telescopic handle 7 is fixedly welded on the outer surface of each screw sleeve 6, a machining groove 8 is formed in the middle of the upper surface of the machining seat 2, adjusting bolts 9 are respectively connected with the left and right sides of the machining seat 2 through a screw thread, a clamping device is arranged in each machining groove 8 and comprises a left clamping sleeve 10, a right clamping sleeve 11, a rotary cake 12, a hinge block 13, a driving arm 14 and a sliding disc 15, the left clamping sleeve 10 and the right clamping sleeve 11 are respectively connected on the left and right sides of the bottom surface in the machining groove 8 in a sliding manner, the rotary cake 12 is rotatably connected on the outer side of the bottom surface of the screw sleeve 6, the hinged block 13 is rotatably connected to the bottom surface of the rotary cake 12, the driving arm 14 is rotatably connected to one end of the hinged block 13 far away from the rotary cake 12, the sliding disk 15 is slidably connected to the outer surface of the upright post 3 and is positioned between the base 1 and the screw sleeve 6, the base 1 is fixed on the table top, when a workpiece with a flat end surface needs to be clamped, the workpiece can be placed on the upper surface of the processing seat 2, the telescopic handle 7 can be rotated to drive the screw sleeve 6 to rotate, the top end of the inclined driving arm 14 can move along the circumferential direction of the screw sleeve 6 through the rotary cake 12 and the hinged block 13 in the rotating process of the screw sleeve 6, the bottom end of the inclined driving arm is not moved at the moment, the bottom end of the driving arm 14 can drive the sliding disk 15 to move downwards, so that the workpiece with a flat end surface can be clamped and fixed, and when a cylindrical workpiece needs to be fixed, the cylindrical workpiece can be placed inside the processing groove 8 at the moment, the adjusting bolts 9 on the left side and the right side are rotated simultaneously, so that the adjusting bolts can respectively drive the left clamping sleeve 10 and the right clamping sleeve 11 to approach each other and clamp the left side and the right side of the outer surface of the cylindrical workpiece, the upper side of the cylindrical workpiece can be limited through the sliding disk 15, so that the cylindrical workpiece can be conveniently clamped, the left clamping sleeve 10 and the right clamping sleeve 11 are respectively and rotatably connected with the adjusting bolts 9 on the left side and the right side through bearings, so that the adjusting bolts 9 on the left side and the right side can respectively drive the left clamping sleeve 10 and the right clamping sleeve 11 to approach each other and clamp the cylindrical workpiece, the driving arm 14 is inclined along the circumferential direction of the screw sleeve 6, the upper end and the lower end of the driving arm are obliquely and symmetrically arranged, the rotary disk 12 on the lower side is rotatably connected with the sliding disk 15, and the aim is that the bottom end of the driving arm 14 is not moved and the top end of the driving arm 14 deflects, so that the sliding disk 15 can be driven by the driving arm 14 to move downwards, the more medial extremity terminal surface of left centre gripping cover 10 and right centre gripping cover 11 is the arc shape, and the left centre gripping cover 10 and right centre gripping cover 11 of being convenient for can carry out the centre gripping to the surface left and right sides of cylindrical work piece, and both sides are the arc shape around the processing groove 8, are convenient for place cylindrical work piece in the inside of processing groove 8 to can carry on spacingly to the downside of work piece through processing seat 2.

When the clamping device is used, the base 1 is fixed on a table top, when a workpiece with a flat end face needs to be clamped, the workpiece can be placed on the upper surface of the processing seat 2, the telescopic handle 7 can be rotated to drive the screw sleeve 6 to rotate, the top end of the inclined driving arm 14 can move along the circumferential direction of the screw sleeve 6 through the rotary disc 12 and the hinge block 13 in the rotating process of the screw sleeve 6, the bottom end of the inclined driving arm does not move, the bottom end of the driving arm 14 can drive the sliding disc 15 to move downwards, the workpiece with the flat end face can be clamped and fixed, when the cylindrical workpiece needs to be fixed, the cylindrical workpiece can be placed in the processing groove 8, the adjusting bolts 9 on the left side and the right side are rotated, the adjusting bolts can respectively drive the left clamping sleeve 10 and the right clamping sleeve 11 to approach each other and clamp the left side and the right side of the outer surface of the cylindrical workpiece, and the upper side of the cylindrical workpiece can be limited through the sliding disc 15, thereby being convenient for clamping and fixing the cylindrical workpiece.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamp for numerical control processing, includes base (1), its characterized in that: the upper surface welded fastening of base (1) has processing seat (2), the upper surface left and right sides welded fastening of processing seat (2) has stand (3), the top welded fastening of stand (3) has footstock (4), the bottom surface middle part welded fastening of footstock (4) has spiral shell axle (5), the surface threaded connection of spiral shell axle (5) has swivel nut (6), the surface welded fastening of swivel nut (6) has flexible handle (7), processing groove (8) have been seted up at the upper surface middle part of processing seat (2), the equal threaded connection of the left and right sides face of processing seat (2) has adjusting bolt (9), the inside of processing groove (8) is provided with clamping device.

2. The clamp for numerical control machining according to claim 1, characterized in that: clamping device includes left centre gripping cover (10), right centre gripping cover (11), changes cake (12), articulated piece (13), actuating arm (14) and sliding plate (15), left side centre gripping cover (10) and right centre gripping cover (11) sliding connection respectively are in the inside bottom surface left and right sides of processing groove (8), it rotates the bottom surface outside of connecting at swivel nut (6) to change cake (12), articulated piece (13) rotate the bottom surface of connecting at commentaries on classics cake (12), actuating arm (14) rotate the one end of connecting keeping away from commentaries on classics cake (12) at articulated piece (13), sliding plate (15) sliding connection is at the surface of stand (3) to be located between base (1) and swivel nut (6).

3. The clamp for numerical control machining according to claim 2, characterized in that: the left clamping sleeve (10) and the right clamping sleeve (11) are respectively and rotatably connected with the adjusting bolts (9) on the left side and the right side through bearings.

4. The clamp for numerical control machining according to claim 2, characterized in that: the driving arm (14) is inclined along the circumferential direction of the screw sleeve (6), the upper end and the lower end of the driving arm are obliquely and symmetrically arranged, and the rotary cake (12) on the lower side of the driving arm is rotationally connected with the sliding disk (15).

5. The clamp for numerical control machining according to claim 1, characterized in that: the end surfaces of the inner sides of the left clamping sleeve (10) and the right clamping sleeve (11) are arc-shaped.

6. The clamp for numerical control machining according to claim 1, characterized in that: the front side and the rear side of the processing groove (8) are arc-shaped.