CN215919749U

CN215919749U - Workpiece clamping device of numerical control machine tool

Info

Publication number: CN215919749U
Application number: CN202122008381.6U
Authority: CN
Inventors: 秦晔
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-01
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a workpiece clamping device of a numerical control machine tool, which comprises a base, wherein two clamping plates are connected on the base in a sliding manner, two upright posts are fixedly arranged on the two clamping plates, two conical holes and two spherical holes are respectively formed in every two upright posts corresponding to the left position and the right position, a driving mechanism matched with the two clamping plates is arranged on the base, a positioning mechanism is arranged on the base, and the positioning mechanism is matched with the driving mechanism. Has the advantages that: the groove body matched with the clamping assembly does not need to be formed in the surface of the mounting surface (namely the base), so that when a workpiece is machined, no workpiece fragments fall into the guide rail, and the smoothness of the sliding block moving in the guide rail can be ensured.

Description

Workpiece clamping device of numerical control machine tool

Technical Field

The utility model relates to the technical field of workpiece clamping devices, in particular to a workpiece clamping device of a numerical control machine tool.

Background

The numerical control machine tool is an automatic machine tool provided with a program control system, parts can be automatically machined according to the shape and size required by a drawing, in the using process of the numerical control machine tool, clamping and fixing operation is often required to be carried out on the machined workpiece, but the workpiece clamping device of the existing numerical control machine tool needs to provide a corresponding groove body on the installation surface to complete the movement of a clamping assembly, partial workpiece fragments fall into the groove body in the actual machining process, and the clamping assembly can be blocked by the aid of the workpiece clamping device in a long-term mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a workpiece clamping device of a numerical control machine tool.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a digit control machine tool work piece clamping device, includes the base, sliding connection has two splint, two on the base equal fixed mounting has two stands on the splint, and has seted up two bell mouth, two spherical holes on per two corresponding stands of left and right sides position respectively, install on the base with two splint matched with actuating mechanism, install positioning mechanism on the base, and positioning mechanism and actuating mechanism cooperate.

In foretell digit control machine tool work piece clamping device, actuating mechanism comprises two-way lead screw, two guide rails, four sliders and four fixed blocks, two the guide rail is seted up respectively on the wall of the both sides around the base, two-way lead screw rotates to be connected in one of them guide rail, four the fixed block is fixed mounting both ends around two splint respectively, four the slider is fixed mounting respectively on the lateral wall that corresponds the fixed block, and about per two the corresponding slider of position difference sliding connection in the guide rail that corresponds, two-way lead screw is threaded connection with two sliders that correspond.

In foretell digit control machine tool work piece clamping device, rotate on the base and be connected with the dead lever, and dead lever and two-way lead screw fixed connection, the dead lever is located the outer one end fixed mounting of base and has the handle.

In the workpiece clamping device of the numerical control machine tool, the positioning mechanism is composed of a moving groove, a moving plate, an adjusting screw, two sliding grooves and two moving blocks, the moving groove is formed in the side wall of the other guide rail, the moving plate is connected in the moving groove in a sliding mode, the two sliding grooves are formed in the side wall of the moving groove, the two moving blocks are connected in the two sliding grooves in a sliding mode respectively, the two moving blocks are fixedly connected with the moving plate, the adjusting screw is connected to the base in a rotating mode, and one end, located in one of the sliding grooves, of the adjusting screw is in threaded connection with the corresponding moving block.

In the workpiece clamping device for the numerical control machine tool, the fixed block, the sliding block and the moving plate are all made of hard metal materials.

Compared with the prior art, the utility model has the advantages that:

1: the guide rails matched with the two clamping plate position moving bodies are arranged on two sides of the base, so that when a workpiece is machined, no workpiece fragments fall into the guide rails, and the smoothness of the sliding block moving in the guide rails can be ensured.

2: through the cooperation of stand, bell mouth and spherical hole, be convenient for carry out effective centre gripping to toper work piece, spherical work piece, improve the fixed effect of this type of work piece on the device, also improved the device's application scope to a certain extent.

3: through the design of positioning mechanism, can inject two slider positions rather than corresponding to this can ensure the stability in two splint positions, thereby ensure the centre gripping effect of two splint to the work piece.

In summary, the utility model does not need to provide a groove body matched with the clamping component on the surface of the mounting surface (i.e. the base), so that when a workpiece is processed, no workpiece debris falls into the guide rail, and the smoothness of the movement of the slide block in the guide rail can be ensured.

Drawings

Fig. 1 is a schematic structural diagram of a workpiece clamping device of a numerical control machine tool according to the present invention;

FIG. 2 is a schematic structural view of FIG. 1 after being deflected to the left by a certain angle;

fig. 3 is a schematic structural diagram of the components in fig. 1 after being disassembled.

In the figure: the device comprises a base 1, a clamping plate 2, a column 3, a conical hole 4, a spherical hole 5, a fixed block 6, a sliding block 7, a guide rail 8, a bidirectional screw rod 9, a handle 10, a moving groove 11, a moving plate 12, a sliding groove 13, a moving block 14 and an adjusting screw rod 15.

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 workpiece clamping device for a numerical control machine tool comprises a base 1, wherein two clamping plates 2 are connected to the base 1 in a sliding manner.

The above is noteworthy:

1. through the adjustment of the distance between the two clamping plates 2, workpieces with different sizes between the two clamping plates can be effectively clamped.

2. Two upright posts 3 are fixedly mounted on the two clamp plates 2, two tapered holes 4 and two spherical holes 5 are formed in the two upright posts 3 corresponding to the left position and the right position respectively, when the two clamp plates 2 are close to each other, the two sets of upright posts 3 corresponding to the left position and the right position are also close to each other, and the tapered holes 4 and the spherical holes 5 in the two sets of upright posts 3 are respectively used for placing tapered workpieces and spherical workpieces, so that the clamping stability of the workpieces can be improved when the workpieces are clamped.

3. The base 1 is provided with a driving mechanism matched with the two clamping plates 2, and the driving mechanism consists of a bidirectional screw rod 9, two guide rails 8, four sliding blocks 7 and four fixing blocks 6.

4. Two guide rails 8 are respectively arranged on the front side wall and the rear side wall of the base 1, a bidirectional screw 9 is rotatably connected in one of the guide rails 8, four fixed blocks 6 are respectively and fixedly arranged at the front end and the rear end of the two clamping plates 2, four slide blocks 7 are respectively and fixedly arranged on the side walls of the corresponding fixed blocks 6, and every two sliders 7 corresponding to the left and right positions are respectively connected in the corresponding guide rails 8 in a sliding manner, the two-way screw rod 9 and the two corresponding sliders 7 are in threaded connection, and through the matching of the two-way screw rod 9 and the two corresponding sliders 7, when the clamping device is rotated, the two corresponding sliding blocks 7 can be close to or away from each other, so that the two clamping plates 2 can be close to or away from each other, the clamping operation of the workpiece is completed, because the guide rails 8 are arranged at the two ends of the base 1, when a workpiece is machined, no workpiece debris falls into the guide rails, and the smoothness of the movement of the sliding block 7 in the guide rails 8 can be ensured.

5. The base 1 is connected with a fixed rod in a rotating mode, the fixed rod is fixedly connected with the bidirectional screw rod 9, the fixed rod is located at one end, outside the base 1, of the fixed rod and is fixedly provided with a handle 10, and through the design of the handle 10, the rotation of the bidirectional screw rod 9 is better controlled.

6. The base 1 is provided with a positioning mechanism, the positioning mechanism is matched with the driving mechanism, and the positioning mechanism is composed of a moving groove 11, a moving plate 12, an adjusting screw 15, two sliding grooves 13 and two moving blocks 14.

7. The moving groove 11 is arranged on the side wall of another guide rail 8 (the other guide rail 8 refers to a guide rail 8 far away from the bidirectional screw 9), the moving plate 12 is connected in the moving groove 11 in a sliding manner, the two sliding grooves 13 are arranged on the side wall of the moving groove 11, the two moving blocks 14 are respectively connected in the two sliding grooves 13 in a sliding manner, the two moving blocks 14 are fixedly connected with the moving plate 12, the adjusting screw 15 is connected on the base 1 in a rotating manner, one end of the adjusting screw 15 positioned in one sliding groove 13 is in threaded connection with the corresponding moving block 14, the position of the moving plate 12 in the moving groove 11 can be adjusted by rotating the adjusting screw 15, when the moving plate 12 moves towards the outside of the base 1, the moving plate can be tightly attached to the two corresponding sliding blocks 7, so that the positions of the two sliding blocks 7 can be limited by a friction effect, and the position stability of the two clamping plates 2 can be ensured, thereby ensuring the clamping effect of the two clamping plates 2 on the workpiece.

8. The fixed block 6, the sliding block 7 and the moving plate 12 are all made of hard metal materials (the hard metal materials can be made of alloy steel materials), and the mechanical strength of all components of the device can be effectively improved by using the hard metal materials, so that the service life of the device is prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a digit control machine tool work piece clamping device, includes base (1), its characterized in that, sliding connection has two splint (2), two on base (1) equal fixed mounting has two stand (3) on splint (2), and has seted up two bell mouth (4), two spherical hole (5) on per two corresponding stand (3) of left and right sides position respectively, install on base (1) with two splint (2) matched with actuating mechanism, install positioning mechanism on base (1), and positioning mechanism and actuating mechanism cooperate.

2. The workpiece clamping device for the numerical control machine tool as claimed in claim 1, wherein the driving mechanism is composed of a bidirectional screw rod (9), two guide rails (8), four sliding blocks (7) and four fixing blocks (6), the two guide rails (8) are respectively arranged on the front side wall and the rear side wall of the base (1), the bidirectional screw rod (9) is rotatably connected in one guide rail (8), the four fixing blocks (6) are respectively and fixedly installed at the front end and the rear end of the two clamping plates (2), the four sliding blocks (7) are respectively and fixedly installed on the side wall of the corresponding fixing block (6), every two sliding blocks (7) corresponding to the left position and the right position are respectively and slidably connected in the corresponding guide rails (8), and the bidirectional screw rod (9) and the two corresponding sliding blocks (7) are both in threaded connection.

3. The workpiece clamping device for the numerical control machine tool as claimed in claim 2, characterized in that a fixed rod is rotatably connected to the base (1) and is fixedly connected with the bidirectional screw rod (9), and a handle (10) is fixedly mounted at one end of the fixed rod, which is located outside the base (1).

4. The workpiece clamping device for the numerical control machine tool according to claim 2, the positioning mechanism consists of a moving groove (11), a moving plate (12), an adjusting screw (15), two sliding grooves (13) and two moving blocks (14), the moving groove (11) is arranged on the side wall of the other guide rail (8), the moving plate (12) is connected in the moving groove (11) in a sliding manner, the two sliding grooves (13) are arranged on the side wall of the moving groove (11), the two moving blocks (14) are respectively connected in the two sliding grooves (13) in a sliding manner, and the two moving blocks (14) are both fixedly connected with the moving plate (12), the adjusting screw rod (15) is rotationally connected on the base (1), and one end of the adjusting screw rod (15) positioned in one of the sliding grooves (13) is in threaded connection with the corresponding moving block (14).

5. The workpiece clamping device of the numerical control machine tool as claimed in claim 4, characterized in that the fixed block (6), the sliding block (7) and the moving plate (12) are all made of hard metal materials.