Workpiece chuck of machine tool

Abstract

The utility model relates to the field of workpiece chucks, and discloses a workpiece chuck of a machine tool, which comprises a bottom plate, and a clamping mechanism is arranged above the bottom plate; the clamping mechanism comprises a top plate, a sliding groove is formed in the top plate, a second motor is fixedly connected to the inner side of the sliding groove, and the output end of the second motor is in transmission connection with a two-way lead screw through a first coupler; a second motor installed on a top plate is started, when the second motor drives a bidirectional lead screw to rotate through a first coupler at one end of an output shaft, and when the bidirectional lead screw rotates, the bidirectional lead screw drives two moving blocks which are in threaded connection on the outer side to move oppositely, so that materials placed on the top are clamped; and the two-way lead screw is arranged at the bottom of the top plate, chippings generated during machining can be effectively prevented from entering the inner side of the sliding groove, operation of the two moving blocks is hindered, and the sliding groove is formed in the bottom of the top plate, so that the later cleaning difficulty is reduced.

Description

Technical Field

[0001] The present application relates to the field of workpiece chucks, and in particular to a workpiece chuck for a machine tool. Background Art

[0002] In the metal processing industry, machine tools are indispensable equipment. The workpiece chuck on the machine tool is used to fix and position the workpiece to be processed to ensure the stability and accuracy of the processing process. However, during the processing, especially when it involves cutting, grinding and other operations, a large amount of metal debris will be generated. If these debris are not cleaned up in time, it will not only affect the processing quality of the workpiece, but also damage the chuck; therefore, we propose a workpiece chuck for machine tools to solve this problem.

[0003] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0004] In order to solve the problem that a large amount of metal debris is generated during the processing, especially when it involves cutting, grinding and other operations. If these debris are not cleaned up in time, they will not only affect the processing quality of the workpiece, but also damage the chuck, the present application provides a workpiece chuck for a machine tool.

[0005] The workpiece chuck of a machine tool provided in the present application adopts the following technical solution:

[0006] A workpiece chuck of a machine tool comprises a bottom plate, a clamping mechanism is arranged above the bottom plate; the clamping mechanism comprises a top plate, a sliding groove is opened on the top plate, a second motor is fixedly connected to the inner side of the sliding groove, an output end of the second motor is connected to a bidirectional lead screw through a first coupling, an end of the bidirectional lead screw away from the second motor is rotatably connected to the inner side of the top plate, two guide rods are fixedly connected to the inner side of the sliding groove, and two moving blocks are threadedly connected to the outer side of the bidirectional lead screw.

[0007] Preferably, the moving blocks are slidably connected to the outer sides of the two guide rods, and the inner sides of the moving blocks are threadedly connected to the clamping blocks.

[0008] Preferably, a plurality of mounting holes are provided on the clamping block, and a circular tube is provided on the inner side of the clamping block.

[0009] Preferably, two connecting rods are fixedly connected to the outer side of the circular tube, and the circular tube is slidably connected to the inner side of the mounting hole through the two connecting rods. A spring is provided on the outer side of the circular tube, and one end of the spring is fixedly connected to the inner side of the mounting hole.

[0010] Preferably, a plurality of support rods are fixedly connected to the bottom of the top plate, and the plurality of support rods are fixedly connected to the top surface of the bottom plate.

[0011] Preferably, a mounting shell is provided below the base plate, a first motor is provided inside the mounting shell, the first motor is transmission-connected to the base plate via a second coupling, and a plurality of heat dissipation holes are provided on the outside of the mounting shell.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. By starting the second motor installed on the top plate, when the second motor drives the bidirectional screw to rotate through the first coupling at one end of the output shaft, when the bidirectional screw rotates, the bidirectional screw drives the two outer threaded moving blocks to move toward each other, so as to clamp the material placed on the top. The bidirectional screw is arranged at the bottom of the top plate, which can effectively prevent the debris during processing from entering the inner side of the sliding groove and hindering the operation of the two moving blocks. The sliding groove is arranged at the bottom of the top plate to reduce the difficulty of later cleaning and reduce the labor cost of manual cleaning.

[0014] 2. When the two moving blocks are clamped inwardly toward each other, the spring is set to expand and contract due to the compression of the surface of the object, so that the round tube can be clamped according to the surface shape of the object, and the elastic clamping can reduce the damage to the surface of the object caused by excessive clamping pressure; a first motor is arranged at the bottom of the base plate, and the first motor drives the angle adjustment of the top clamping device through the second coupling at the output end, thereby improving the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the application;

[0016] Figure 2 is a structural schematic diagram of another viewing angle of an embodiment of the application;

[0017] Figure 3 It is a schematic diagram of the top plate bottom surface and other structures of the embodiment of the application;

[0018] Figure 4 It is a schematic diagram of the structure of a circular tube, etc. according to an embodiment of the application.

[0019] Explanation of the accompanying drawings: 1. Mounting shell; 2. Bottom plate; 3. Support rod; 4. Top plate; 5. Bidirectional screw rod; 6. Guide rod; 7. Sliding groove; 8. Moving block; 9. Clamping block; 10. Round tube; 11. Connecting rod; 12. Spring; 13. Second motor. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 This application is described in further detail.

[0021] The present application embodiment discloses a workpiece chuck for a machine tool. Figure 1-4 , a workpiece chuck of a machine tool, comprising a bottom plate 2, a clamping mechanism is arranged above the bottom plate 2; the clamping mechanism comprises a top plate 4, a sliding groove 7 is opened on the top plate 4, a second motor 13 is fixedly connected to the inner side of the sliding groove 7, an output end of the second motor 13 is connected to a bidirectional screw rod 5 through a first coupling, one end of the bidirectional screw rod 5 away from the second motor 13 is rotatably connected to the inner side of the top plate 4, two guide rods 6 are fixedly connected to the inner side of the sliding groove 7, and two moving blocks 8 are threadedly connected to the outer side of the bidirectional screw rod 5; by starting the second motor 13 installed on the top plate 4, when the second motor 13 drives the bidirectional screw rod 5 to rotate through the first coupling at one end of the output shaft, when the bidirectional screw rod 5 rotates, the bidirectional screw rod 5 drives the two outer threaded moving blocks 8 to move toward each other, so as to clamp the material placed on the top, the bidirectional screw rod 5 is arranged at the bottom of the top plate 4, which can effectively prevent the debris during processing from entering the inner side of the sliding groove 7 and hindering the operation of the two moving blocks 8, and the sliding groove 7 is arranged at the bottom of the top plate 4 to reduce the difficulty of later cleaning.

[0022] Reference Figure 1-4 The moving blocks 8 are slidably connected to the outer sides of the two guide rods 6, and the inner sides of the moving blocks 8 are threadedly connected with the clamping blocks 9.

[0023] Reference Figure 1-4 A plurality of mounting holes are provided on the clamping block 9, and a circular tube 10 is provided on the inner side of the clamping block 9, and the circular tube 10 is installed on the inner side of the mounting holes.

[0024] Reference Figure 1-4 Two connecting rods 11 are fixedly connected to the outside of the circular tube 10, and the circular tube 10 is slidably connected to the inner side of the mounting hole through the two connecting rods 11. The setting of the two connecting rods 11 prevents the circular tube 10 from rotating during the movement, thereby increasing the stability of the circular tube 10 during operation. A spring 12 is arranged on the outside of the circular tube 10, and one end of the spring 12 is fixedly connected to the inner side of the mounting hole; when the two moving blocks 8 are clamped inwardly toward each other, the setting of the spring 12 expands and contracts due to the squeezing of the surface of the object, so that the circular tube 10 can be clamped according to the surface shape of the object, and the elastic clamping can reduce the damage to the surface of the object caused by excessive clamping pressure.

[0025] Reference Figure 1-4 A plurality of support rods 3 are fixedly connected to the bottom of the top plate 4 , and the plurality of support rods 3 are fixedly connected to the top surface of the bottom plate 2 .

[0026] Reference Figure 1-4 A mounting shell 1 is disposed below the base plate 2, a first motor is disposed inside the mounting shell 1, the first motor is transmission-connected to the base plate 2 via a second coupling, and a plurality of heat dissipation holes are provided on the outside of the mounting shell 1.

[0027] The implementation principle of the workpiece chuck of a machine tool in the embodiment of the present application is as follows: when the staff uses this device, the staff can first place the material to be processed on the top of the top plate 4. At this time, the staff can start the second motor 13 installed on the top plate 4. When the second motor 13 drives the bidirectional screw rod 5 to rotate through the first coupling at one end of the output shaft, when the bidirectional screw rod 5 rotates, the bidirectional screw rod 5 drives the two outer threaded moving blocks 8 to move toward each other, so as to clamp the material placed on the top. The bidirectional screw rod 5 is arranged at the bottom of the top plate 4, which can effectively prevent the debris during processing from entering the inner side of the sliding groove 7 and hindering the operation of the two moving blocks 8. The sliding groove 7 is arranged at the bottom of the top plate 4 to reduce the difficulty of later cleaning and reduce the labor cost of manual cleaning.

[0028] When the two moving blocks 8 are clamped inwardly toward each other, the spring 12 is set to expand and contract due to the compression of the surface of the object, so that the circular tube 10 can be clamped according to the surface shape of the object, and the elastic clamping can reduce the damage to the surface of the object caused by excessive clamping pressure; a first motor is arranged at the bottom of the base plate 2, and the first motor drives the angle adjustment of the top clamping device through the second coupling at the output end, thereby improving the flexibility of the device.

[0029] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0030] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0032] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A workpiece chuck for a machine tool, comprising a base plate (2), characterized in that: A clamping mechanism is provided above the bottom plate (2); The clamping mechanism comprises a top plate (4), a sliding groove (7) is provided on the top plate (4), a second motor (13) is fixedly connected to the inner side of the sliding groove (7), an output end of the second motor (13) is connected to a bidirectional screw rod (5) through a first coupling, an end of the bidirectional screw rod (5) away from the second motor (13) is rotatably connected to the inner side of the top plate (4), two guide rods (6) are fixedly connected to the inner side of the sliding groove (7), and the outer side of the bidirectional screw rod (5) is threadedly connected to two moving blocks (8).

2. A workpiece chuck for a machine tool according to claim 1, characterized in that: The moving blocks (8) are slidably connected to the outer sides of the two guide rods (6), and the inner sides of the moving blocks (8) are threadedly connected to the clamping blocks (9).

3. A workpiece chuck for a machine tool according to claim 2, characterized in that: The clamping block (9) is provided with a plurality of mounting holes, and a circular tube (10) is provided on the inner side of the clamping block (9).

4. A workpiece chuck for a machine tool according to claim 3, characterized in that: Two connecting rods (11) are fixedly connected to the outer side of the circular tube (10), and the circular tube (10) is slidably connected to the inner side of the mounting hole via the two connecting rods (11). A spring (12) is provided on the outer side of the circular tube (10), and one end of the spring (12) is fixedly connected to the inner side of the mounting hole.

5. A workpiece chuck for a machine tool according to claim 1, characterized in that: A plurality of support rods (3) are fixedly connected to the bottom of the top plate (4), and the plurality of support rods (3) are fixedly connected to the top surface of the bottom plate (2).

6. A workpiece chuck for a machine tool according to claim 1, characterized in that: A mounting shell (1) is arranged below the base plate (2), a first motor is arranged on the inner side of the mounting shell (1), the first motor is transmission-connected to the base plate (2) via a second coupling, and a plurality of heat dissipation holes are provided on the outer side of the mounting shell (1).

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