Fixing device for cutter polishing

Abstract

The utility model discloses a fixing device for cutter polishing, which comprises a workbench connected with a fixing device. The fixing device comprises two arc-shaped pressing blocks and two arc-shaped moving blocks; the workbench is fixedly connected with a fixing frame. One side of the fixing frame is connected with a fixing disc; the two arc-shaped pressing blocks are slidably connected with the side face of the fixed disc. The ends, away from the arc-shaped pressing blocks, of the two arc-shaped moving blocks are connected with threaded rods. Opposite threads are arranged at the two ends of the threaded rod; the two arc-shaped moving blocks move relatively through the threaded rod. After the arc-shaped moving blocks are driven by the air cylinder to be inserted into the cavity, the threaded rod is rotated, so that the two arc-shaped moving blocks move towards the two sides and extrude the two arc-shaped pressing blocks respectively, the two arc-shaped pressing blocks move towards the outer side to extrude the inner side wall of a cutter, the cutter is stably fixed, the cutter is prevented from being hung on the fixing device, and the cutting efficiency is improved. And eccentricity of the cutter and the rotating shaft can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tool processing, in particular to a fixing device for tool polishing processing. Background Art

[0002] A blade is a tool used for cutting in mechanical manufacturing, also known as a cutting tool. Polishing the surface of a metal cutting blade can improve its surface quality and cutting performance. A polishing device is a device used for metal blade processing.

[0003] In order to facilitate polishing, the existing polishing mechanism places the blade on a bearing to drive it to rotate for polishing on both sides. During this process, the size of the connecting hole in the middle of the tool must match the size of the bearing to fix the tool, which cannot adapt to the use of a variety of tools. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art and proposes a fixing device for tool polishing.

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

[0006] A fixing device for tool polishing processing comprises a workbench, on which a fixing device is connected; the fixing device comprises two arc-shaped pressing blocks and two arc-shaped moving blocks; a fixing frame is fixedly connected to the workbench; a fixed disc is connected to one side of the fixing frame; the two arc-shaped pressing blocks are slidably connected to the side surfaces of the fixed disc; a threaded rod is connected to one end of the two arc-shaped moving blocks away from the arc-shaped pressing blocks; opposite threads are provided at both ends of the threaded rod; and the two arc-shaped moving blocks move relative to each other through the threaded rod.

[0007] Preferably, a moving groove is provided on one side of the fixed disc; one end of the two arc-shaped pressing blocks is connected to a sliding block matching the moving groove; the two arc-shaped pressing blocks move up and down in the moving groove through the sliding block.

[0008] Preferably, a spring is fixedly connected to the inner side of the two arc-shaped pressing blocks; a fixed block is provided in the middle of the movable groove; and the other end of the spring is fixedly connected to the fixed block.

[0009] Preferably, one end of the arc-shaped moving block is connected to a threaded slider; the threaded slider is sleeved on the threaded rod; and the arc-shaped moving block moves on the threaded rod through the threaded slider.

[0010] Preferably, the two arc-shaped pressing blocks are cylindrical when they are squeezed and contacted, and a cavity is formed inside the two arc-shaped pressing blocks; the outer arc surface of the arc-shaped moving block matches the inner arc surface of the arc-shaped pressing block.

[0011] Preferably, the length of the arc-shaped moving block matches the depth of the cavity.

[0012] Preferably, one end of the fixed disc away from the arc-shaped pressing block is connected to a motor; the output end of the motor is connected to a rotating shaft; and the other end of the rotating shaft is fixedly connected to the fixed disc.

[0013] Preferably, one end of the arc-shaped moving block away from the arc-shaped pressing block is connected to a connecting block; and the arc-shaped pressing block is slidably connected to the connecting block.

[0014] Preferably, the other end of the connecting block is connected to a cylinder; the output end of the cylinder is connected to a polished rod; and the other end of the polished rod is rotatably connected to the connecting block.

[0015] Compared with the prior art, the utility model provides a fixing device for tool polishing, which has the following beneficial effects:

[0016] 1. The fixture for tool polishing processing drives the arc moving block to be inserted into the cavity through the cylinder, and then rotates the threaded rod to move the two arc moving blocks to both sides, respectively squeezing the two arc pressing blocks, so that the two arc pressing blocks move outward to squeeze the inner wall of the tool, so that the tool is fixed and stable, avoiding the tool from hanging on the fixture, and at the same time avoiding the eccentricity between the tool and the rotating shaft, and can adapt to the use of tools of different sizes.

[0017] 2. The fixing device for tool polishing processing provides inward pressure to the two arc-shaped pressing blocks by arranging springs inside the two arc-shaped pressing blocks, so that the arc-shaped pressing blocks are initially in a closed state. After polishing is completed, the arc-shaped pressing blocks are provided with a rebound force to facilitate the removal of the tool.

[0018] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a partial structural schematic diagram of the utility model.

[0021] In the figure: 1 workbench, 2 fixed frame, 4 arc-shaped pressure block, 41 sliding block, 42 ​​spring, 43 cavity, 5 arc-shaped moving block, 51 threaded slider, 6 fixed disk, 61 moving groove, 62 fixed block, 7 threaded rod, 8 motor, 9 rotating shaft, 10 connecting block, 11 cylinder, 12 polished rod. DETAILED DESCRIPTION

[0022] 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.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] Embodiment 1:

[0025] Reference Figure 1-2 , a fixing device for tool polishing processing comprises a workbench 1, on which a fixing device is connected; the fixing device comprises two arc-shaped pressing blocks 4 and two arc-shaped moving blocks 5; a fixing frame 2 is fixedly connected to the workbench 1; a fixed disc 6 is connected to one side of the fixing frame 2; the two arc-shaped pressing blocks 4 are slidably connected to the side of the fixed disc 6; a moving groove 61 is provided on one side of the fixed disc 6; one end of the two arc-shaped pressing blocks 4 is connected to a sliding block 41 matching the moving groove 61; the two arc-shaped pressing blocks 4 move up and down in the moving groove 61 through the sliding block 41; the two arc-shaped moving blocks 5 are connected to a threaded rod 7 at one end away from the arc-shaped pressing blocks 4; opposite threads are provided at both ends of the threaded rod 7; the two arc-shaped moving blocks 5 move relative to each other through the threaded rod 7, and one end of the arc-shaped moving block 5 is connected to a threaded slider 51; the threaded slider 51 is sleeved on the threaded rod 7; the arc-shaped moving block 5 moves on the threaded rod 7 through the threaded slider 51.

[0026] When the two arc-shaped pressing blocks 4 are pressed and contacted, they are cylindrical, and a cavity 43 is formed inside the two arc-shaped pressing blocks 4 ; the outer arc surface of the arc-shaped moving block 5 matches the inner arc surface of the arc-shaped pressing block 4 .

[0027] Place the tool on the two arc-shaped pressing blocks 4, insert the two arc-shaped moving blocks 5 into the cavity 43, and then rotate the threaded rod 7 to move the two arc-shaped moving blocks 5 to both ends, thereby squeezing the two arc-shaped pressing blocks 4 to move outward at the same time, so that the two arc-shaped pressing blocks 4 can fit with the inner wall of the tool to complete the fixation of the tool.

[0028] Embodiment 2:

[0029] Based on the above embodiments, Figure 2A spring 42 is fixedly connected to the inner side of the two arc-shaped pressing blocks 4; a fixed block 62 is provided in the middle of the movable groove 61; the other end of the spring 42 is fixedly connected to the fixed block 61; through the pulling force of the spring 42 on the arc-shaped pressing block 4, the arc-shaped pressing block 4 is located on both sides of the fixed block 61 in a closed state, and when the arc-shaped movable block 5 is removed, a rebound force is provided to make the arc-shaped pressing block 4 rebound to its original state.

[0030] Embodiment three:

[0031] The end of the fixed disc 6 away from the arc-shaped pressing block 4 is connected to a motor 8; the output end of the motor 8 is connected to a rotating shaft 9; the other end of the rotating shaft 9 is fixedly connected to the fixed disc 6, and the output of the motor 8 can drive the fixed disc 6 to rotate, thereby driving the arc-shaped pressing block 4 and the tool to rotate together, which is convenient for polishing the two sides of the tool.

[0032] Embodiment 4:

[0033] Based on the above embodiments, Figure 2 The end of the arc moving block 5 away from the arc pressing block 4 is connected to the connecting block 10; the arc pressing block 4 is slidably connected to the connecting block 10; the other end of the connecting block 10 is connected to the cylinder 11; the output end of the cylinder 11 is connected to the polished rod 12; the other end of the polished rod 12 is rotatably connected to the connecting block 10. The cylinder 11 drives the polished rod 12 and the connecting block 10 to move horizontally, so that the arc moving block 5 can move into the cavity 43.

[0034] Embodiment five:

[0035] Based on the above embodiments, Figure 2 The length of the arc-shaped moving block 5 matches the depth of the cavity 43. When the arc-shaped moving block 5 moves into the cavity 43, the side of the connecting block 10 fits with the side of the arc-shaped pressing block 4, which is convenient for fixing the two side surfaces of the tool.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixing device for tool polishing, characterized in that: The invention comprises a workbench (1), wherein the workbench (1) is connected to a fixing device; the fixing device comprises two arc-shaped pressing blocks (4) and two arc-shaped moving blocks (5); the workbench (1) is fixedly connected to a fixing frame (2); one side of the fixing frame (2) is connected to a fixing disc (6); the two arc-shaped pressing blocks (4) are slidably connected to the side surfaces of the fixing disc (6); the ends of the two arc-shaped moving blocks (5) away from the arc-shaped pressing blocks (4) are connected to a threaded rod (7); opposite threads are provided at both ends of the threaded rod (7); and the two arc-shaped moving blocks (5) are relatively movable via the threaded rod (7).

2. A tool polishing fixture according to claim 1, characterized in that: A movable groove (61) is provided on one side of the fixed disc (6); one end of the two arc-shaped pressing blocks (4) is connected to a sliding block (41) matching the movable groove (61); the two arc-shaped pressing blocks (4) move up and down in the movable groove (61) through the sliding block (41).

3. A tool polishing fixture according to claim 2, characterized in that: A spring (42) is fixedly connected to the inner side of the two arc-shaped pressing blocks (4); a fixed block (62) is provided in the middle of the movable groove (61); and the other end of the spring (42) is fixedly connected to the fixed block (62).

4. A tool polishing fixture according to claim 1, characterized in that: One end of the arc-shaped moving block (5) is connected to a threaded slider (51); the threaded slider (51) is sleeved on the threaded rod (7); the arc-shaped moving block (5) moves on the threaded rod (7) via the threaded slider (51).

5. A tool polishing fixture according to claim 1, characterized in that: The two arc-shaped pressing blocks (4) are cylindrical when pressed into contact, and a cavity (43) is formed inside the two arc-shaped pressing blocks (4); the outer arc surface of the arc-shaped moving block (5) matches the inner arc surface of the arc-shaped pressing block (4).

6. A tool polishing fixture according to claim 5, characterized in that: The length of the arc-shaped moving block (5) matches the depth of the cavity (43).

7. A tool polishing fixture according to claim 1, characterized in that: One end of the fixed disc (6) away from the arc-shaped pressure block (4) is connected to a motor (8); the output end of the motor (8) is connected to a rotating shaft (9); and the other end of the rotating shaft (9) is fixedly connected to the fixed disc (6).

8. A tool polishing fixture according to claim 1, characterized in that: One end of the arc-shaped moving block (5) away from the arc-shaped pressing block (4) is connected to a connecting block (10); the arc-shaped pressing block (4) is slidably connected to the connecting block (10).

9. A tool polishing fixture according to claim 8, characterized in that: The other end of the connection block (10) is connected to a cylinder (11); the output end of the cylinder (11) is connected to a polished rod (12); and the other end of the polished rod (12) is rotatably connected to the connection block (10).

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