Machine tool workpiece clamping device

Abstract

The utility model discloses a machine tool workpiece clamping device, and relates to the technical field of machine tool clamps. Comprising a mounting base, two vertical plates are fixedly connected to the upper end of the mounting base, a mounting plate is arranged between the two vertical plates, first rotating shafts are fixedly connected to the two opposite side walls of the mounting plate, the two first rotating shafts penetrate through the two vertical plates correspondingly, and the first rotating shafts are rotationally connected with the vertical plates; a first hydraulic cylinder is rotatably mounted at the upper end of the mounting seat, the telescopic end of the first hydraulic cylinder is rotatably connected to the lower end of the mounting plate, a clamping mechanism is arranged at the upper end of the mounting plate, and a driving mechanism connected with the clamping mechanism is arranged at the upper end of the mounting plate. According to the utility model, the clamping mechanism can quickly clamp the workpiece, so that the clamping operation on the machine tool workpiece is more convenient and faster, the working efficiency is improved, the clamping requirements at different angles can be met, and the applicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool clamps, in particular to a machine tool workpiece clamping device. Background Art

[0002] A fixture is a device used to fix the object to be processed in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a clamp. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process can be called a fixture. When the existing CNC lathe tooling clamping device is in use, the structure of the fixture is relatively fixed, making it difficult to adjust the clamping angle of the fixture, which makes it inconvenient to adjust the clamping angle according to the actual clamping needs of the workpiece.

[0003] For example, CN112548615A is a patent entitled a tooling clamping device for a numerically controlled machine tool, which has the above-mentioned problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a machine tool workpiece clamping device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A machine tool workpiece clamping device comprises a mounting seat, the upper end of which is fixedly connected to two vertical plates, a mounting plate is provided between the two vertical plates, first rotating shafts are fixedly connected to opposite side walls of the mounting plate, the two first rotating shafts respectively penetrate the two vertical plates, and the first rotating shafts are rotatably connected to the vertical plates, a first hydraulic cylinder is rotatably mounted on the upper end of the mounting seat, the telescopic end of the first hydraulic cylinder is rotatably connected to the lower end of the mounting plate, a clamping mechanism is provided at the upper end of the mounting plate, and a driving mechanism connected to the clamping mechanism is provided at the upper end of the mounting plate.

[0007] As a further improvement of the present invention, the clamping mechanism includes a U-shaped block fixedly connected to the upper end of the mounting plate, a splint is provided on the inner side of the U-shaped block, and second rotating shafts are fixedly connected to the two opposite side walls of the splint, the two second rotating shafts respectively penetrate the two side walls of the U-shaped block, and the second rotating shaft is rotatably connected to the U-shaped block, a mounting groove is provided on the side wall of the splint, a roller is provided inside the mounting groove, the two wheel axle ends of the roller both penetrate the inner wall of the mounting groove, and the roller is rotatably connected to the splint, and a tension spring is fixedly connected to the lower end of the splint, and the end of the tension spring away from the splint is fixedly connected to the inner bottom wall of the U-shaped block.

[0008] As a further improvement of the utility model, the driving mechanism includes a second hydraulic cylinder fixedly mounted on the upper end of the mounting plate, the telescopic end of the second hydraulic cylinder is fixedly connected with an inclined wedge block, and the inclined wedge block is located below the roller.

[0009] As a further improvement of the utility model, a plurality of second clamping blocks are fixedly connected to the lower side wall of the clamping plate, and a plurality of first clamping blocks cooperating with the second clamping blocks are fixedly connected to the upper end of the mounting plate.

[0010] As a further improvement of the present invention, the mounting plate is an L-shaped structure.

[0011] As a further improvement of the present invention, four mounting holes are provided through the upper end of the mounting seat, and the four mounting holes are respectively arranged at the four corners of the mounting seat.

[0012] Beneficial effects of the utility model:

[0013] By providing a clamping mechanism and a driving mechanism, the clamping mechanism can be driven to move by the driving mechanism, so that the clamping mechanism can quickly clamp the workpiece, thereby making the clamping operation of the machine tool workpiece more convenient and quick, thereby improving work efficiency.

[0014] By arranging the vertical plate, the first rotating shaft and the first hydraulic cylinder, the mounting plate can be driven to rotate through the extension and retraction of the first hydraulic cylinder, and then the angle of the mounting plate can be adjusted to meet the clamping needs at different angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a machine tool workpiece clamping device from a side perspective proposed by the utility model;

[0016] Figure 2 This is a structural schematic diagram of a machine tool workpiece clamping device proposed by the utility model from another side perspective;

[0017] Figure 3 The utility model is a structural schematic diagram of a U-shaped block, a second rotating shaft, a clamping plate, a tension spring and a mounting groove of a machine tool workpiece clamping device.

[0018] In the figure: 1 mounting seat, 2 mounting hole, 3 vertical plate, 4 first hydraulic cylinder, 5 first rotating shaft, 6 mounting plate, 7 first clamping block, 8 second clamping block, 9 clamping plate, 10 U-shaped block, 11 second rotating shaft, 12 roller, 13 inclined wedge block, 14 second hydraulic cylinder, 15 tension spring, 16 mounting groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 3 A machine tool workpiece clamping device comprises a mounting base 1, the upper end of the mounting base 1 is penetrated with four mounting holes 2, and the four mounting holes 2 are respectively arranged at the four corners of the mounting base 1. The mounting holes 2 are arranged so that the mounting base 1 can be conveniently installed by bolts. The upper end of the mounting base 1 is fixedly connected with two vertical plates 3, and a mounting plate 6 is arranged between the two vertical plates 3. The mounting plate 6 is an L-shaped structure. The two opposite side walls of the mounting plate 6 are fixedly connected with a first rotating shaft 5, and the two first rotating shafts 5 respectively penetrate the two vertical plates 3, and the first rotating shaft 5 is rotatably connected to the vertical plates 3. A first hydraulic cylinder 4 is rotatably installed on the upper end of the mounting base 1, and the telescopic end of the first hydraulic cylinder 4 is rotatably connected to the lower end of the mounting plate 6. A clamping mechanism is arranged on the upper end of the mounting plate 6, and a driving mechanism connected to the clamping mechanism is arranged on the upper end of the mounting plate 6.

[0021] In the utility model, the clamping mechanism includes a U-shaped block 10 fixedly connected to the upper end of the mounting plate 6, a clamping plate 9 is provided on the inner side of the U-shaped block 10, and second rotating shafts 11 are fixedly connected to the opposite side walls of the clamping plate 9, and the two second rotating shafts 11 respectively penetrate the two side walls of the U-shaped block 10, and the second rotating shafts 11 are rotatably connected to the U-shaped block 10, a plurality of second clamping blocks 8 are fixedly connected to the lower side wall of the clamping plate 9, and a plurality of first clamping blocks 7 cooperating with the second clamping blocks 8 are fixedly connected to the upper end of the mounting plate 6, a mounting groove 16 is provided on the side wall of the clamping plate 9, and a roller 12 is provided inside the mounting groove 16, and the two wheel axle ends of the roller 12 penetrate the inner wall of the mounting groove 16, and the roller 12 is rotatably connected to the clamping plate 9, and a tension spring 15 is fixedly connected to the lower end of the clamping plate 9, and the end of the tension spring 15 away from the clamping plate 9 is fixedly connected to the inner bottom wall of the U-shaped block 10.

[0022] The driving mechanism includes a second hydraulic cylinder 14 fixedly mounted on the upper end of the mounting plate 6 , and a telescopic end of the second hydraulic cylinder 14 is fixedly connected to an inclined wedge block 13 , which is located below the roller 12 .

[0023] When the utility model is used, the first hydraulic cylinder 4 is extended and retracted to drive the mounting plate 6 to rotate, and then the angle of the mounting plate 6 can be adjusted, and the workpiece is placed between the first clamping block 7 and the second clamping block 8, and the second hydraulic cylinder 14 is started to extend to drive the inclined wedge block 13 to move, and the inclined wedge block 13 squeezes the roller 12, so that the clamping plate 9 can be rotated, and then the second clamping block 8 and the first clamping block 7 are brought close to each other to clamp the workpiece.

[0024] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A machine tool workpiece clamping device, comprising a mounting seat (1), characterized in that: The upper end of the mounting seat (1) is fixedly connected to two vertical plates (3), a mounting plate (6) is provided between the two vertical plates (3), first rotating shafts (5) are fixedly connected to opposite side walls of the mounting plate (6), the two first rotating shafts (5) respectively penetrate the two vertical plates (3), and the first rotating shafts (5) are rotatably connected to the vertical plates (3), a first hydraulic cylinder (4) is rotatably installed on the upper end of the mounting seat (1), the telescopic end of the first hydraulic cylinder (4) is rotatably connected to the lower end of the mounting plate (6), a clamping mechanism is provided at the upper end of the mounting plate (6), and a driving mechanism connected to the clamping mechanism is provided at the upper end of the mounting plate (6).

2. A machine tool workpiece clamping device according to claim 1, characterized in that: The clamping mechanism comprises a U-shaped block (10) fixedly connected to the upper end of the mounting plate (6), a clamping plate (9) is provided on the inner side of the U-shaped block (10), and second rotating shafts (11) are fixedly connected to the opposite side walls of the clamping plate (9), and the two second rotating shafts (11) respectively penetrate the two side walls of the U-shaped block (10), and the second rotating shafts (11) are rotatably connected to the U-shaped block (10), a mounting groove (16) is provided on the side wall of the clamping plate (9), and a roller (12) is provided inside the mounting groove (16), and the two wheel axle ends of the roller (12) penetrate the inner wall of the mounting groove (16), and the roller (12) is rotatably connected to the clamping plate (9), and a tension spring (15) is fixedly connected to the lower end of the clamping plate (9), and the end of the tension spring (15) away from the clamping plate (9) is fixedly connected to the inner bottom wall of the U-shaped block (10).

3. A machine tool workpiece clamping device according to claim 1, characterized in that: The driving mechanism comprises a second hydraulic cylinder (14) fixedly mounted on the upper end of the mounting plate (6), the telescopic end of the second hydraulic cylinder (14) being fixedly connected to an inclined wedge block (13), and the inclined wedge block (13) being located below the roller (12).

4. A machine tool workpiece clamping device according to claim 2, characterized in that: A plurality of second clamping blocks (8) are fixedly connected to the lower side wall of the clamping plate (9), and a plurality of first clamping blocks (7) cooperating with the second clamping blocks (8) are fixedly connected to the upper end of the mounting plate (6).

5. A machine tool workpiece clamping device according to claim 1, characterized in that: The mounting plate (6) is an L-shaped structure.

6. A machine tool workpiece clamping device according to claim 1, characterized in that: Four mounting holes (2) are provided through the upper end of the mounting seat (1), and the four mounting holes (2) are respectively arranged at the four corners of the mounting seat (1).

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