CN220498466U - Clamping devices for machining - Google Patents

Abstract

The utility model discloses a clamping device for machining, relates to the technical field of machining, and aims at solving the problems that the existing clamping device for machining cannot be suitable for machining of a large number of workpieces and cannot help the surface of the machined workpiece to be cooled rapidly. The clamping mechanism is designed, so that a plurality of workpieces can be clamped at one time, the working efficiency is improved, and the clamping mechanism is suitable for machining of a large number of workpieces; the design has portable cooling mechanism, and the sliding seat drives cooling fan and carries out horizontal migration and cool down the processing with each work piece in proper order to realized helping the work piece surface after the machining to carry out quick cooling's effect.

Description

Clamping devices for machining

Technical field

The utility model relates to the technical field of mechanical processing, and in particular to a clamping device used for mechanical processing.

Background technique

In the process of machining, it is generally necessary to use a clamping mechanism to clamp and position the workpiece to ensure the efficiency of machining.

After searching, the patent application number 201922297259.8 discloses a clamping device for mechanical processing, which includes a casing, a chute, a motor, a first screw rod and a second screw rod. Although the patent has a centering clamping effect, but it still has the following shortcomings:

First, it can only clamp one workpiece at a time and cannot clamp many workpieces at one time. The work efficiency is relatively low and it cannot be adapted to the machining of large quantities of workpieces;

Secondly, it does not have the function of quickly cooling the workpiece, and thus cannot help the surface of the machined workpiece to quickly cool down.

Utility model content

In view of the shortcomings of the existing technology, the utility model provides a clamping device for mechanical processing. Through the cooperative use of the clamping mechanism and the mobile cooling mechanism, the shortcomings of the existing technology are overcome and the existing problems for mechanical processing are effectively solved. The processed clamping device cannot adapt to the machining of large quantities of workpieces and cannot help the surface of the machined workpieces to quickly cool down.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

The clamping device used for mechanical processing includes a clamp fixed seat fixed to the outer wall of the top of the machining table through bolts. The clamp fixed seat is sequentially provided with a chute and a moving channel, and the clamp fixed seat is sequentially provided with a clamping mechanism. and mobile cooling mechanisms;

The clamping mechanism includes a rotating shaft installed in the chute, a plurality of equidistantly distributed centering clamping components, a worm gear fixedly mounted on the rotating shaft, a first servo motor fixed to the outer wall of one side of the clamp fixing base through bolts, The worm is fixedly mounted on the output shaft of the first servo motor;

The centering clamping assembly includes a bidirectional threaded unit provided on the rotating shaft and two centering clamping plates symmetrically screwed to two opposite threaded ends of the bidirectional threaded unit, and the worm gear and the worm mesh with each other.

By adopting the above technical solution, the effect of being able to clamp many workpieces at one time is achieved, which improves work efficiency and can be adapted to the machining of large quantities of workpieces. Through the self-locking performance of the worm gear and the worm gear, the clamping accuracy is guaranteed. Locking strength.

Preferably, the outer walls of the two centering splints are slidingly connected to the inner wall of the chute.

By adopting the above technical solution, the effect that the two centering splints only need to move horizontally is achieved.

Preferably, the mobile cooling mechanism includes a support plate welded to the outer wall of the other side of the clamp fixing base, a second servo motor fixed to the outer wall of the top of the support plate through bolts, a screw that is rotationally installed in the moving channel, and a screw that is screwed to the The sliding seat on the screw, the fan mounting block welded to the top outer wall of the sliding seat and the cooling fan fixedly mounted on the fan mounting block, and the output shaft of the second servo motor extends through and into the moving channel and is connected to the wire through the coupling. One end of the bar is fixedly connected coaxially.

By adopting the above technical solution, the effect of helping the machined workpiece surface to quickly cool down is achieved.

Preferably, the outer wall of the sliding seat is slidingly connected to the inner wall of the moving channel.

By adopting the above technical solution, the effect of horizontal linear motion of the sliding seat is achieved.

Preferably, the battery is fixed on the top outer wall of the fan mounting block through bolts, and the cooling fan is electrically connected to the battery through wires.

The beneficial effects of this utility model are:

1. A clamping mechanism is designed to place many workpieces on each centering clamping component in sequence at one time. The first servo motor controls the rotation of the worm, and then the worm gear meshed with the worm controls the rotation of the rotating shaft, and then all alignments on the rotating shaft. The two centering splints in the clamping assembly are centered and close together to clamp and fix all workpieces, so that many workpieces can be clamped at one time, which improves work efficiency and can be adapted to the machining of large quantities of workpieces;

2. A mobile cooling mechanism is designed. After the mechanical processing of all workpieces is completed, the cooling fan is turned on and the second servo motor controls the screw rotation, so that the sliding seat drives the cooling fan to move horizontally to cool down each workpiece in turn. This achieves the effect of helping the surface of the machined workpiece to quickly cool down.

Description of the drawings

Figure 1 is a schematic diagram of the overall three-dimensional structure of the utility model;

Figure 2 is a schematic three-dimensional structural diagram of the centering clamping assembly of the present invention;

Figure 3 is a three-dimensional enlarged structural diagram of the first servo motor, worm and worm gear in the present utility model;

Figure 4 is a schematic three-dimensional structural diagram of the mobile cooling mechanism in the present utility model.

In the picture: 1. Mechanical processing table; 2. Fixture holder; 3. Chute; 4. Moving channel; 5. Rotating shaft; 6. Worm gear; 7. First servo motor; 8. Worm; 9. Bidirectional thread unit; 10. Centering plywood; 11. Support plate; 12. Second servo motor; 13. Lead screw; 14. Sliding seat; 15. Fan mounting block; 16. Cooling fan; 17. Battery.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example.

Embodiment 1, with reference to Figures 1-3, a clamping device for mechanical processing includes a clamp holder 2 and a clamping mechanism;

The clamp holder 2 is fixed to the top outer wall of the machining table 1 by bolts, and the clamp holder 2 is provided with a chute 3 and a moving channel 4 in sequence;

In order to achieve the effect of being able to clamp many workpieces at one time, this embodiment designs a clamping mechanism, which includes the following components:

Rotating shaft 5: It is connected through two bearings to the inner walls of both sides of the chute 3;

Worm gear 6: It is fixedly mounted on the rotating shaft 5;

The first servo motor 7: it is fixed to one side of the outer wall of the clamp fixing base 2 through bolts;

Worm 8: It is fixedly mounted on the output shaft of the first servo motor 7 and meshes with the worm gear 6;

Several centering clamping components distributed equidistantly: the number of centering clamping components is more than three, and the specific number can be designed according to the actual situation. The centering clamping components include a bidirectional thread unit 9 and a symmetrical thread provided on the rotating shaft 5 Two centering splints 10 connected to two opposite threaded ends of the bidirectional thread unit 9, the outer walls of the two centering splints 10 are slidingly connected to the inner wall of the chute 3;

To sum up: in this embodiment, many workpieces are placed on each centering clamping assembly in sequence at one time. The first servo motor 7 controls the rotation of the worm 8, and then the worm gear 6 meshed with the worm 8 controls the rotation of the rotating shaft 5, and then The two centering clamping plates 10 in all the centering clamping assemblies on the rotating shaft 5 are centered and close together to clamp and fix all the workpieces. In this way, many workpieces can be clamped at one time, which improves work efficiency and can be adapted to large quantities. Mechanical processing of workpieces.

Embodiment 2, referring to Figures 1 and 4, this embodiment is optimized on the basis of Embodiment 1, specifically: a clamping device for mechanical processing, and also includes a mobile cooling mechanism;

In this embodiment, in order to achieve the effect of helping the machined workpiece surface to quickly cool down, a mobile cooling mechanism is designed, which includes the following components:

Support plate 11: It is welded to the other outer wall of the clamp fixing base 2;

Second servo motor 12: It is fixed to the top outer wall of the support plate 11 by bolts, and its output shaft extends through and into the moving channel 4;

Lead screw 13: one end is connected to one side of the inner wall of the moving channel 4 through a bearing, and the other end is coaxially fixedly connected to the output shaft of the second servo motor 12 through a coupling;

Sliding seat 14: It is screwed to the screw 13, and its outer wall is slidingly connected to the inner wall of the moving channel 4, which facilitates the horizontal linear movement of the sliding seat 14;

Fan mounting block 15: It is welded to the top outer wall of the sliding seat 14, and the battery 17 is fixed on the top outer wall through bolts;

Cooling fan 16: It is fixedly installed on the fan installation block 15, and is electrically connected to the battery 17 through wires;

To sum up: in this embodiment, after all the workpieces are machined, the cooling fan 16 is turned on and the second servo motor 12 controls the screw 13 to rotate, so that the sliding seat 14 drives the cooling fan 16 to move horizontally to sequentially move each workpiece. Carry out cooling treatment, thereby achieving the effect of helping the surface of the machined workpiece to quickly cool down.

The working principle of this clamping device for machining: first, place many workpieces on each centering clamping assembly at one time, and the first servo motor 7 controls the rotation of the worm 8, and then the worm gear meshes with the worm 8 6. Control the rotation of the rotating shaft 5, and then the two centering clamping plates 10 in all the centering clamping assemblies on the rotating shaft 5 are centered and close together to clamp and fix all the workpieces;

Secondly, after the machining of all workpieces is completed, the cooling fan 16 is turned on and the second servo motor 12 controls the rotation of the screw 13, so that the sliding seat 14 drives the cooling fan 16 to move horizontally to sequentially cool down each workpiece.

The above are only preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed by the present utility model, implement the present utility model according to the present utility model. Novel technical solutions and utility model concepts, including equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims (6)

1. The clamping device for machining comprises a clamp fixing seat (2) fixedly arranged on the outer wall of the top of a machining table (1), and is characterized in that a sliding groove (3) and a moving channel (4) are sequentially formed in the clamp fixing seat (2), and a clamping mechanism and a movable cooling mechanism are sequentially arranged on the clamp fixing seat (2);

the clamping mechanism comprises a rotating shaft (5) rotatably arranged in the sliding groove (3), a plurality of centering clamping assemblies distributed at equal intervals, a worm wheel (6) fixedly sleeved on the rotating shaft (5), a first servo motor (7) fixedly arranged on the outer wall of one side of the clamp fixing seat (2), and a worm (8) fixedly sleeved on the output shaft of the first servo motor (7).

2. Clamping device for machining according to claim 1, characterized in that the centering clamping assembly comprises a bi-directional screw unit (9) provided on the spindle (5) and two centering jaws (10) screwed symmetrically to the two opposite screw ends of the bi-directional screw unit (9).

3. Clamping device for machining according to claim 1, characterized in that the worm wheel (6) is intermeshed with the worm (8) and that the outer walls of both centering jaws (10) are slidingly connected with the inner wall of the chute (3).

4. The clamping device for machining according to claim 1, wherein the movable cooling mechanism comprises a supporting plate (11) welded on the outer wall of the other side of the fixture fixing seat (2), a second servo motor (12) fixedly arranged on the outer wall of the top of the supporting plate (11), a screw rod (13) rotatably arranged in the moving channel (4), a sliding seat (14) screwed on the screw rod (13), a fan mounting block (15) welded on the outer wall of the top of the sliding seat (14) and a cooling fan (16) fixedly arranged on the fan mounting block (15).

5. Clamping device for machining according to claim 4, characterized in that the outer wall of the sliding seat (14) is slidingly connected with the inner wall of the moving channel (4), and the output shaft of the second servo motor (12) extends through into the moving channel (4) and is fixedly connected coaxially with one end of the screw (13) through a coupling.

6. The clamping device for machining according to claim 4, wherein a storage battery (17) is fixedly arranged on the top outer wall of the fan mounting block (15), and the cooling fan (16) is electrically connected with the storage battery (17) through a wire.