CN216359426U

CN216359426U - Positioning and clamping device for machining

Info

Publication number: CN216359426U
Application number: CN202122912458.2U
Authority: CN
Inventors: 黄肖群
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-22
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to the technical field of machining and discloses a positioning and clamping device for machining, which comprises a bottom plate, wherein a thin plate and a thick plate are fixedly arranged on two sides of the bottom plate respectively, a threaded pipe is movably arranged in the thick plate, a threaded column is connected with the internal thread of the threaded pipe, a movable frame is movably arranged on the front side of the bottom plate, and a fixed plate and a base plate are arranged on the front side of the movable frame. This a positioning and clamping device for machining, the work piece that will process is placed on the bottom plate, drive the screwed pipe through rotatory adjust knob and rotate, make the screw thread post remove to the left side under the effect of screw thread, promote the adjustable shelf and remove to the left side, come to carry out the centre gripping through the inside clamping part of fixed plate to the work piece and fix, at the in-process of centre gripping, the surface contact of activity clamp splice and work piece, then the activity clamp splice can be based on the shape of work piece to the inside shrink of fixed plate, thereby it is fixed to make the device be convenient for carry out the centre gripping to the work piece of different shapes.

Description

Positioning and clamping device for machining

Technical Field

The utility model relates to the technical field of machining, in particular to a positioning and clamping device for machining.

Background

Machining refers to a process of changing the outer dimensions or properties of a workpiece by a mechanical device, and is classified into cutting and pressing according to differences in machining modes.

The positioning and clamping device is used for fixing a workpiece in the machining process, so that the workpiece is prevented from being displaced in the machining process, and although some existing positioning and clamping devices can conveniently clamp and fix the workpiece in the using process, the existing positioning and clamping devices are not convenient to adapt to workpieces of different shapes in the using process, so that the positioning and clamping device for machining is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a positioning and clamping device for machining, which has the advantage of being convenient for clamping and fixing workpieces in different shapes, and solves the problems in the background technology.

(II) technical scheme

The utility model provides the following technical scheme: the utility model provides a positioning and clamping device for machining, includes the bottom plate, the both sides of bottom plate are fixed thin plate and the thick plate of being equipped with respectively, the inside activity of thick plate is equipped with the screwed pipe, the inside threaded connection of screwed pipe has the screw thread post, the positive activity of bottom plate is equipped with the adjustable shelf, the front of adjustable shelf is equipped with fixed plate and backing plate, the inside of fixed plate is equipped with the clamping part, the clamping part is including the activity clamp splice, the inside swing joint of activity clamp splice and fixed plate, the one end of activity clamp splice is passed through expanding spring and is fixed with the backing plate.

Further, the screwed pipe is connected with the inside rotation of thick plate, the fixed adjust knob that is equipped with of one end that the backing plate was kept away from to the screwed pipe, and the inside of screwed pipe is equipped with the internal thread, and adjust knob can drive the screwed pipe and rotate, can drive the screw post at rotatory in-process and remove about, and the left end and the adjustable shelf of screw post are fixed, then drive the adjustable shelf and remove about on the surface of bottom plate.

Further, expanding spring's one end is fixed with the backing plate, expanding spring's the other end is fixed with the activity clamp splice, can extrude the activity clamp splice through expanding spring, can make expanding spring compressed when activity clamp splice and work piece contact to make the surface laminating of activity clamp splice and work piece, the work piece of the different shapes of the adaptation of being convenient for carries out the centre gripping fixed.

Furthermore, a movable groove is formed in the movable clamping block, a fixed column is fixedly arranged in the fixed plate, the movable clamping block moves on the surface of the fixed column through the movable groove, the movable clamping block can be guided and limited under the action of the fixed column and the movable groove, and the movable clamping block cannot be separated from the inside of the fixed plate when moving left and right.

Further, the top and the bottom of adjustable shelf are all fixed and are equipped with the slider, the positive top of bottom plate and the bottom are all fixed and are equipped with the slide, the inside sliding connection of slider and slide, adjustable shelf pass through the slider and slide in the inside of slide, and it is spacing to lead the removal of adjustable shelf.

Furthermore, a propping block is fixedly arranged on one side of the thin plate close to the fixed plate, and one side of the workpiece is supported and propped through the function of the propping block.

Compared with the prior art, the utility model provides a positioning and clamping device for machining, which has the following beneficial effects:

1. this a positioning and clamping device for machining, the work piece that will process is placed on the bottom plate, drive the screwed pipe through rotatory adjust knob and rotate, make the screw thread post remove to the left side under the effect of screw thread, promote the adjustable shelf and remove to the left side, come to carry out the centre gripping through the inside clamping part of fixed plate to the work piece and fix, at the in-process of centre gripping, the surface contact of activity clamp splice and work piece, then the activity clamp splice can be based on the shape of work piece to the inside shrink of fixed plate, thereby it is fixed to make the device be convenient for carry out the centre gripping to the work piece of different shapes.

2. This a location clamping device for machining, through being provided with movable groove and fixed column, make the activity clamp splice can be through the activity groove at the surperficial horizontal slip of fixed column, make the activity clamp splice flexible about the in-process of centre gripping, and then be convenient for laminate different work pieces, then through being provided with slider and slide, make the adjustable shelf remove about the inside of slide through the slider, it is spacing to lead to the adjustable shelf through the effect of slider and slide.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

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

fig. 3 is a schematic structural view of the movable clamping block of the present invention.

Wherein: 1. a base plate; 2. a thin plate; 3. thick plate; 4. a threaded pipe; 5. a threaded post; 6. a movable frame; 7. a fixing plate; 8. adjusting a knob; 9. a base plate; 10. a movable clamping block; 11. a tension spring; 12. a movable groove; 13. fixing a column; 14. a slider; 15. a slideway; 16. a support block.

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, a positioning and clamping device for machining comprises a bottom plate 1, a thin plate 2 and a thick plate 3 are respectively fixed on two sides of the bottom plate 1, a threaded pipe 4 is movably arranged inside the thick plate 3, the threaded pipe 4 is rotatably connected with the inside of the thick plate 3, an adjusting knob 8 is fixedly arranged at one end of the threaded pipe 4 far away from a backing plate 9, internal threads are arranged inside the threaded pipe 4, the adjusting knob 8 can drive the threaded pipe 4 to rotate, the threaded post 5 can be driven to move left and right in the rotating process, the left end of the threaded post 5 is fixed with a movable frame 6, then the movable frame 6 is driven to move left and right on the surface of the bottom plate 1, the threaded post 5 is connected with the internal threads of the threaded pipe 4, the movable frame 6 is movably arranged on the front surface of the bottom plate 1, a fixed plate 7 and a backing plate 9 are arranged on the front surface of the movable frame 6, a clamping part is arranged inside the fixed plate 7, the clamping part comprises a movable clamping block 10, the movable clamping block 10 is movably connected with the inside of the fixed plate 7, one end of the movable clamping block 10 is fixed with the backing plate 9 through an expansion spring 11, one end of the expansion spring 11 is fixed with the backing plate 9, the other end of the expansion spring 11 is fixed with the movable clamping block 10, the movable clamping block 10 can be extruded through the expansion spring 11, when the movable clamping block 10 is contacted with a workpiece, the expansion spring 11 is compressed, so that the movable clamping block 10 is attached to the surface of the workpiece, the workpiece with different shapes can be conveniently matched for clamping and fixing, a movable groove 12 is formed in the movable clamping block 10, a fixed column 13 is fixedly arranged in the fixed plate 7, the movable clamping block 10 moves on the surface of the fixed column 13 through the movable groove 12, the movable clamping block 10 can be guided and limited through the effects of the fixed column 13 and the movable groove 12, and the movable clamping block 10 cannot be separated from the inside of the fixed plate 7 when moving left and right, the top and the bottom of the movable frame 6 are both fixedly provided with a sliding block 14, the top and the bottom of the front surface of the bottom plate 1 are both fixedly provided with a sliding way 15, the sliding block 14 is in sliding connection with the inside of the sliding way 15, the movable frame 6 slides in the sliding way 15 through the sliding block 14 to guide and limit the movement of the movable frame, one side of the thin plate 2 close to the fixed plate 7 is fixedly provided with a supporting block 16, and one side of a workpiece is supported and supported through the action of the supporting block 16.

When using, place the work piece that will process on bottom plate 1, drive screwed pipe 4 through rotation adjusting knob 8 and rotate, make screw post 5 remove to the left side under the effect of screw thread, promote adjustable shelf 6 and remove to the left side, come to carry out the centre gripping through the inside clamping part of fixed plate 7 and fix the work piece, at the in-process of centre gripping, the surface contact of activity clamp splice 10 and work piece, then activity clamp splice 10 can be according to the shape of work piece to the inside shrink of fixed plate 7, make expanding spring 11 compressed, come the surface contact with the work piece according to the shrink degree of activity clamp splice 10, thereby make the device be convenient for carry out the centre gripping fixedly to the work piece of different shapes.

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. A positioning and clamping device for machining, comprising a base plate (1), characterized in that: the utility model discloses a clamp plate, including bottom plate (1), movable frame (6), threaded pipe (4), threaded pipe (5) and movable clamp block (10), the inside activity of bottom plate (1) is equipped with movable frame (6), the front of movable frame (6) is equipped with fixed plate (7) and backing plate (9), the inside of fixed plate (7) is equipped with the clamping part, the clamping part is including movable clamp block (10), the inside swing joint of movable clamp block (10) and fixed plate (7), the one end of movable clamp block (10) is passed through expanding spring (11) and is fixed with backing plate (9).

2. A positioning and clamping device for machining according to claim 1, characterised in that: the screwed pipe (4) is rotatably connected with the inside of the thick plate (3), and an adjusting knob (8) is fixedly arranged at one end, far away from the base plate (9), of the screwed pipe (4).

3. A positioning and clamping device for machining according to claim 1, characterised in that: one end of the telescopic spring (11) is fixed with the backing plate (9), and the other end of the telescopic spring (11) is fixed with the movable clamping block (10).

4. A positioning and clamping device for machining according to claim 1, characterised in that: a movable groove (12) is formed in the movable clamping block (10), a fixed column (13) is fixedly arranged in the fixed plate (7), and the movable clamping block (10) moves on the surface of the fixed column (13) through the movable groove (12).

5. A positioning and clamping device for machining according to claim 1, characterised in that: the top and the bottom of adjustable shelf (6) are all fixed and are equipped with slider (14), the positive top and the bottom of bottom plate (1) are all fixed and are equipped with slide (15), the inside sliding connection of slider (14) and slide (15).

6. A positioning and clamping device for machining according to claim 1, characterised in that: and a propping block (16) is fixedly arranged on one side of the thin plate (2) close to the fixing plate (7).