CN221019748U

CN221019748U - Workpiece clamp

Info

Publication number: CN221019748U
Application number: CN202322573837.2U
Authority: CN
Inventors: 吴波; 刘云龙; 孙庆超
Original assignee: Langfang Haowei Precision Machinery Co ltd
Current assignee: Langfang Haowei Precision Machinery Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-05-28
Anticipated expiration: 2033-09-21

Abstract

The utility model relates to the technical field of workpiece clamps, and provides a workpiece clamp which comprises a movable clamping block, a base, a fixed clamping block, a fixed seat, an adjusting assembly, a rotating assembly and a limiting assembly, wherein a connecting block I is arranged on one side of the movable clamping block, the movable clamping block is used for clamping a workpiece, the base is arranged at the bottom of the movable clamping block, the fixed clamping block is fixedly arranged at one end of the base far away from a driving motor, the fixed seat is arranged at the top of the base, a threaded hole is formed in the fixed seat, the adjusting assembly is arranged at the bottom of the movable clamping block and is used for adjusting the angle of the movable clamping block, and the gear is arranged at the lower part of the movable clamping block to adjust the rotating angle of the movable clamping block along with the movement of an arc toothed plate when the movable clamping block is pushed.

Description

Workpiece clamp

Technical Field

The utility model relates to the technical field of workpiece clamps, in particular to a workpiece clamp.

Background

When machining a workpiece, a workpiece clamp is required to fix and position the workpiece. The workpiece clamp has the functions of ensuring accurate positioning of the workpiece, and the clamping device can accurately position the workpiece according to the process requirements, so that the workpiece can keep fixed positions and directions in the processing process, and the precision and consistency of the processing result are ensured. Work pieces can be clamped rapidly and accurately by the fixture, operation steps are simplified, machining time is shortened, production efficiency is improved, the position and the posture of the work pieces can be stabilized by the fixture, movement and deformation of the work pieces are avoided, accuracy and consistency in the machining process are guaranteed, and accordingly product quality is guaranteed.

Disclosure of utility model

The utility model provides a workpiece clamp, which solves the problem that a clamping block cannot be adjusted along with the inclined plane of an irregular workpiece in the prior art.

The technical scheme of the utility model is as follows: a workpiece holder, comprising:

the movable clamping block is provided with a first connecting block at one side and is used for clamping a workpiece;

the base is arranged at the bottom of the movable clamping block;

The fixed clamping block is fixedly arranged at one end of the base far away from the driving motor

The top of the base is provided with the fixing seat, and a threaded hole is formed in the fixing seat;

The bottom of the movable clamping block is provided with the adjusting component which is used for adjusting the angle of the movable clamping block;

the rotating assemblies are arranged on the outer sides of the adjusting assemblies, and the number of the rotating assemblies is two;

And the limiting assembly is arranged on the upper part of the base and used for fixing the movable clamping block.

Further, the adjustment assembly includes:

the bottom of the movable clamping block is rotationally connected with the gear through a rotating shaft;

Arc pinion rack, the both sides bottom of removing the clamp splice all is provided with the arc pinion rack, the arc pinion rack with gear engagement sets up, the both sides of arc pinion rack are provided with rotating assembly.

Still further, the rotating assembly includes:

the rotating seats are arranged on the two side walls of the base;

one end of the first connecting rod is rotatably arranged in the rotating seat;

And one end of the second connecting rod is rotationally connected with the other end of the first connecting rod, and the other end of the second connecting rod is rotationally arranged at the bottom of the arc toothed plate at the corresponding side of the second connecting rod.

Still further, still include:

the screw penetrates through the threaded hole and is in threaded fit with the threaded hole;

the second connecting block is arranged at one end, close to the movable clamping block, of the screw rod;

The second connecting block is rotationally connected with the connecting block;

the polygonal hole is formed in the screw rod;

the polygonal shaft is inserted into the polygonal hole and is in sliding fit with the polygonal hole;

And the driving motor is arranged on the base, and the output end of the driving motor is connected with the screw rod.

Preferably, the fixing device further comprises a buckle, a fixing rod is arranged on the arc toothed plate, the buckle is arranged on the side wall of the base, and the buckle is used for fixing the fixing rod. .

In the foregoing basic solution, the device further includes a support plate, where the support plate is installed between the driving motor and the base.

In order to guarantee that the movable clamp splice is fixed after rotating, spacing subassembly includes:

The bottom of the movable clamping block is provided with a placing groove, and the placing groove is elastically connected with the limiting pin;

The arc-shaped groove is formed in the top of the base by taking the center of the movable clamping block as a round point, and a plurality of limiting holes are formed in the arc-shaped groove.

The working principle and the beneficial effects of the utility model are as follows:

1. According to the utility model, the gear is arranged at the bottom of the movable clamping block, so that the gear is matched with the arc toothed plate to realize clamping work of workpieces with different inclined planes, the workpieces are placed between the fixed clamping block and the movable clamping block, and the gear is arranged at the lower part of the movable clamping block when the movable clamping block is pushed, so that the gear moves along the arc toothed plate to achieve the effect of adjusting the rotation angle of the movable clamping block.

2. According to the utility model, the angle of the arc toothed plate is adjusted through the rotation connection among the first connecting rod, the second connecting rod and the arc toothed plate, so that the movable clamping block can conveniently rotate along the arc toothed plate by an angle suitable for clamping, and the arc toothed plate is fixed through a buckle after the angle of the arc toothed plate is adjusted.

3. According to the utility model, the limiting pin is arranged to prevent the movable clamping block from being incapable of clamping after the rotation angle is determined, so that the movable clamping block can be fixed after rotating for a proper angle.

4. According to the utility model, the problem that the angle of the movable clamping block is inconvenient to adjust in the prior art is solved by matching the limiting assembly, the movable clamping block, the arc toothed plate and the rotating assembly.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

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

FIG. 2 is a schematic diagram of the structure of the first and second connection blocks according to the present utility model;

FIG. 3 is a schematic diagram of the structure of the rotating base, the first connecting rod and the second connecting rod of the present utility model;

FIG. 4 is a schematic view of the cooperation of the screw and the polygonal shaft in the present utility model;

FIG. 5 is a schematic view of the structure of the present utility model, partially enlarged at A;

Fig. 6 is a schematic structural view of a circular hole in the present utility model.

In the figure: 1. moving the clamping block; 2. a first connecting block; 3. a base; 4. fixing the clamping blocks; 5. a fixing seat; 6. a gear; 7. arc toothed plates; 8. a rotating seat; 9. a first connecting rod; 10. a second connecting rod; 11. a screw; 12. a second connecting block; 13. a limiting hole; 14. a polygonal shaft; 15. a driving motor; 16. a buckle; 17. a support plate; 18. an arc-shaped groove; 19. and a limiting pin.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment, as shown in fig. 1-6, this embodiment provides a work piece holder, including moving clamp splice 1, the base 3, fixed clamp splice 4, fixing base 5, adjusting part, rotating part and spacing subassembly, one side of moving clamp splice 1 is provided with connecting block 2, moving clamp splice 1 is used for clamping the work piece, the bottom of moving clamp splice 1 is provided with base 3, fixed clamp splice 4 fixed mounting is kept away from driving motor 15's one end at base 3, the top of base 3 is provided with fixing base 5, set up threaded hole in fixing base 5, the bottom of moving clamp splice 1 is provided with adjusting part for adjust the angle of moving clamp splice 1, adjusting part's outside is provided with rotating part, rotating part's quantity is two sets of, spacing subassembly sets up the upper portion at base 3, be used for the fixed to moving clamp splice 1, through setting up gear 6 in moving clamp splice 1's bottom for making gear 6 and arc pinion 7 cooperate the clamp work piece of realizing the different inclined plane.

Wherein, adjusting part includes gear 6 and arc pinion rack 7, and the bottom of removing clamp splice 1 is rotated through the pivot and is connected with gear 6, and the both sides bottom of removing clamp splice 1 all is provided with arc pinion rack 7, and arc pinion rack 7 and gear 6 meshing set up, and the both sides of arc pinion rack 7 are provided with rotating assembly, through putting the work piece between fixed clamp splice 4 and removing clamp splice 1, owing to the lower part that removes clamp splice 1 is provided with gear 6 when promoting to remove clamp splice 1, gear 6 removes along arc pinion rack 7 and adjusts the turned angle who removes clamp splice 1.

In addition, rotating assembly is including rotating seat 8, connecting rod one 9 and connecting rod two 10, rotate seat 8, all be provided with on the both sides wall of base 3 and rotate seat 8, the one end of connecting rod one 9 is installed with the rotation in rotating seat 8, the one end of connecting rod two 10 is rotated with the other end of connecting rod one 9 and is connected, and the other end of connecting rod two 10 rotates the arc pinion rack 7 bottom of installing in its corresponding side, through the rotation between connecting rod one 9, connecting rod two 10 and the arc pinion rack 7, the angle of adjusting arc pinion rack 7, the angle of convenient removal clamp splice 1 along arc pinion rack 7 rotation is fit for the clamping, fix arc pinion rack 7 through buckle 16 after adjusting the angle of arc pinion rack 7.

Furthermore, screw rod 11, connecting block two 12, the polygon hole, polygon axle and driving motor 15, screw rod 11 runs through the screw hole and with screw hole screw thread fit, connecting block two 12 installs the one end that is close to removal clamp splice 1 on screw rod 11, wherein, connecting block two 12 and connecting block one 2 rotate and are connected, the polygon hole is seted up inside screw rod 11, the polygon axle inserts the polygon downthehole and with polygon hole sliding fit, driving motor 15 installs on base 3, and driving motor 15's output is connected with screw rod 11, because driving motor 15 and polygon hub connection screw rod 11 can follow polygon axle axial displacement when driving motor 15 opens, the rotation of removal clamp splice 1 can be realized through the swivelling joint between connecting block one 2 and the connecting block two 12, driving motor 15's lower part sets up the support frame and makes its driving motor 15 can not follow screw rod 11 rotation at the during operation.

It should be further noted that, in order to ensure that the movable clamping block 1 can be fixed after rotating by a proper angle, the limiting component comprises a limiting pin 19 and an arc groove 18, a placing groove is formed in the bottom of the movable clamping block 1, the placing groove is elastically connected with the limiting pin 19, the arc groove 18 is formed in the top of the base 3 by taking the center of the movable clamping block 1 as a round point, and a plurality of limiting holes 13 are formed in the arc groove 18, so that the movable clamping block 1 cannot clamp after determining the rotation angle by setting the limiting pin 19.

To sum up, the working principle of the workpiece clamp is as follows: firstly, a workpiece is placed between a fixed clamping block 4 and a movable clamping block 1, a driving motor 15 is started to drive a screw 11 to enable the movable clamping block 1 to move, the movable clamping block 1 can generate a rotating effect under the action of an arc toothed plate 7 and a gear 6, two groups of corresponding rotating assemblies needing to rotate are arranged in the rotating assemblies, the other group of rotating assemblies which are not needed rotate to the outer side of a base 3, and when the movable clamping block 1 rotates to a required angle of the workpiece, a limiting pin 19 enters into a corresponding limiting hole 13 to be fixed, so that clamping work is completed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A workpiece holder, comprising:

The clamping device comprises a movable clamping block (1), wherein a connecting block I (2) is arranged on one side of the movable clamping block (1), and the movable clamping block (1) is used for clamping a workpiece;

The base (3) is arranged at the bottom of the movable clamping block (1);

The fixed clamping block (4), the fixed clamping block (4) is fixedly arranged at one end of the base (3) far away from the driving motor (15)

The fixing seat (5), the top of the base (3) is provided with the fixing seat (5), and a threaded hole is formed in the fixing seat (5);

The bottom of the movable clamping block (1) is provided with the adjusting component which is used for adjusting the angle of the movable clamping block (1);

the limiting assembly is arranged on the upper portion of the base (3) and used for fixing the movable clamping block (1).

2. A workpiece holder as defined in claim 1, wherein said adjustment assembly comprises:

The bottom of the movable clamping block (1) is rotationally connected with the gear (6) through a rotating shaft;

Arc pinion rack (7), the both sides bottom of removal clamp splice (1) all is provided with arc pinion rack (7), arc pinion rack (7) with gear (6) meshing sets up, the both sides of arc pinion rack (7) are provided with rotating assembly.

3. A workpiece holder as defined in claim 2, wherein said rotating assembly comprises:

The rotating seat (8) is arranged on two side walls of the base (3);

One end of the first connecting rod (9) is rotatably arranged in the rotating seat (8);

And one end of the connecting rod II (10) is rotationally connected with the other end of the connecting rod I (9), and the other end of the connecting rod II (10) is rotationally arranged at the bottom of the arc toothed plate (7) at the corresponding side.

4. A workpiece holder as defined in claim 3, further comprising:

the screw rod (11) penetrates through the threaded hole and is in threaded fit with the threaded hole;

the second connecting block (12) is arranged at one end, close to the movable clamping block (1), of the screw (11);

The second connecting block (12) is rotationally connected with the first connecting block (2);

a polygonal hole which is formed inside the screw (11);

And the driving motor (15) is arranged on the base (3), and the output end of the driving motor (15) is connected with the screw rod (11).

5. The workpiece clamp according to claim 4, further comprising a buckle (16), wherein the arc toothed plate (7) is provided with a fixing rod, the buckle (16) is mounted on the side wall of the base (3), and the buckle (16) is used for fixing the fixing rod.

6. A workpiece holder according to claim 5, characterized by a support plate (17), said support plate (17) being mounted between said drive motor (15) and said base (3).

7. The workpiece holder of claim 6, wherein the stop assembly comprises:

The limiting pin (19) is arranged at the bottom of the movable clamping block (1), and the limiting pin (19) is elastically connected in the placing groove;

The arc-shaped groove (18), the top of base (3) uses the center of removal clamp splice (1) to set up for the dot arc-shaped groove (18), a plurality of spacing holes (13) have been seted up in arc-shaped groove (18).