Fixing device for sand blasting of cutter

Abstract

The utility model provides a fixing device for sand blasting of a cutter, which relates to the technical field of cutter processing and comprises a support plate, a turntable and a box body internally provided with a sand blasting head, the supporting plate is arranged in the box body, and the rotating disc is rotationally connected to the supporting plate and located in the center of the interior of the box body. A plurality of fixing circular grooves are formed in the rotary disc in the circumferential direction of the rotary disc, clamping plates for clamping and fixing cutters are symmetrically arranged on the surface of the rotary disc and located on the two sides of the fixing circular grooves, the sides, away from each other, of the two clamping plates are rotationally connected with threaded rods, a fixing column is fixed to the rotary disc, and a through hole is formed in the fixing column. And an internal thread matched with the external thread on the threaded rod is arranged on the inner wall of the through hole. The problem that the work efficiency is low due to the fact that a workpiece is not fixed during sand blasting and easily falls off is solved.

Description

Technical Field

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

[0002] Sandblasting of cutting tools refers to the process of using the impact of high-speed sand flow to clean and roughen the surface of the cutting tool. Compressed air is used as the power to spray at high speed onto the surface of the cutting tool to be processed, so that the appearance or shape of the cutting tool surface changes. Due to the impact and cutting action of the abrasive on the cutting tool surface, the surface of the cutting tool acquires a certain degree of cleanliness and different degrees of roughness, so that the mechanical properties of the cutting tool surface are improved.

[0003] Patent announcement number CN219633499U discloses a fixed turntable automatic sandblasting machine, including a sandblasting chamber, a turntable for placing workpieces is rotatably connected in the sandblasting chamber, and at least one set of spray gun assemblies is arranged in the sandblasting chamber, and the spray gun assembly includes a spray gun mounting rod and a sandblasting gun, which has the characteristics of high uniformity of product surface processing and low product scrap rate. However, the above device does not fix the workpiece, and during the sandblasting operation, the rotation of the turntable may cause the workpiece to fall off the turntable, resulting in low work efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a tool sandblasting fixing device, which solves the problem that the workpiece is easily dropped when not fixed during sandblasting, thereby causing low work efficiency.

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

[0006] A fixing device for tool sandblasting, comprising: a support plate, a turntable and a box with a sandblasting head arranged inside;

[0007] The support plate is disposed in the box body, the turntable is rotatably connected to the support plate and the turntable is located at the center of the box body;

[0008] A plurality of fixed circular grooves are arranged on the turntable and along the circumference of the turntable. Clamping plates for clamping and fixing the tool are symmetrically arranged on the surface of the turntable and located on both sides of the fixed circular grooves. The two clamping plates are rotatably connected to the threaded rod on the sides away from each other. A fixing column is fixed on the turntable, and a through hole is arranged on the fixing column. The inner wall of the through hole is provided with an internal thread that cooperates with the external thread on the threaded rod.

[0009] Preferably, the inner wall of the fixed circular groove is symmetrically provided with two limiting grooves, a cross bar is provided in the limiting groove, and an upper abutment plate, a lower abutment plate and a compression spring are also provided. The upper end of the lower abutment plate is rotatably connected to the cross bar, the lower end of the upper abutment plate is connected to the upper end of the lower abutment plate, the compression spring is fixed between the lower abutment plate and the bottom of the limiting groove, a pressure plate is provided in the fixed circular groove for sliding along the vertical direction and the pressure plate is located above the lower ends of the two lower abutment plates. Under the action of the compression spring, the lower end of the lower abutment plate extends out of the limiting groove and the upper abutment plate is located in the limiting groove.

[0010] Preferably, the clamping plates are arc-shaped, and rubber pads are provided on opposite sides of the two clamping plates.

[0011] Preferably, the bottom of the box body is inclined toward the middle and is provided with an outlet, and a collection box is provided below the outlet.

[0012] Preferably, one end of the support plate extends out of the box and is provided with a motor, a protection box is connected below the support plate, the output end of the motor extends into the protection box and is connected to a control rod, a pulley is provided on the control rod, a rotating rod is provided at the bottom of the turntable, the lower end of the rotating rod passes downward through the support plate and extends into the protection box, a pulley is also provided at the lower end of the rotating rod, and a belt is connected for transmission between the two pulleys.

[0013] The utility model has the following beneficial effects:

[0014] A fixed circular groove is set to initially limit the tool handle, and then by rotating the threaded rod, the two clamping plates work together to clamp the tool to prevent the tool from falling from the turntable, ensuring low work efficiency.

[0015] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic cross-sectional view of the overall structure of the utility model;

[0017] Figure 2 It is a top view schematic diagram of the turntable structure of the utility model;

[0018] Figure 3 It is a schematic cross-sectional view of the turntable structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the state of the fixing prop of the utility model.

[0020] In the above drawings: 1. Box body; 2. Support plate; 3. Turntable; 31. Fixed circular groove; 4. Clamping plate; 51. Threaded rod; 52. Fixed column; 6. Limiting groove; 61. Upper abutment plate; 62. Lower abutment plate; 63. Compression spring; 64. Pressure plate; 7. Rubber pad; 8. Collection box; 9. Motor. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and functions achieved by the present invention clearer and easier to understand, the technical solutions in the present invention are further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figures 1 to 4 As shown, a fixing device for tool sandblasting comprises: a support plate 2, a turntable 3 and a box body 1 with a sandblasting head arranged inside; the support plate 2 is arranged in the box body 1, the turntable 3 is rotatably connected to the support plate 2 and the turntable 3 is located at the center of the box body 1; a plurality of fixed circular grooves 31 are arranged on the turntable 3 and along the circumference of the turntable 3, and clamping plates 4 for clamping and fixing the tool are symmetrically arranged on the surface of the turntable 3 and located on both sides of the fixed circular grooves 31, and the two clamping plates 4 are rotatably connected to the threaded rod 51 on the sides away from each other, and a fixing column 52 is fixed on the turntable 3, and a through hole is arranged on the inner wall of the through hole. The inner thread matching the external thread on the threaded rod 51.

[0023] A supporting leg is arranged at the bottom of the box body 1 for supporting the box body 1, and a sandblasting head is arranged in the box body 1 for sandblasting, and its structure is not drawn in the figure; the turntable 3 is rotatably connected to the supporting plate 2, and during sandblasting, the rotation of the turntable 3 can make the tool sandblasted evenly; when in use, the tool head is upward and the tool handle is inserted into the fixed circular groove 31, and the fixed circular groove 31 is arranged to initially limit the tool handle, and then by rotating the threaded rod 51, the two clamping plates 4 work together to clamp the tool to prevent the tool from falling from the turntable 3, thereby ensuring low working efficiency.

[0024] like Figure 2 and Figure 3As shown, in order to improve stability, the inner wall of the fixed circular groove 31 is symmetrically provided with two limiting grooves 6, a cross bar is provided in the limiting groove 6, and an upper abutment plate 61, a lower abutment plate 62 and a compression spring 63 are also provided. The upper end of the lower abutment plate 62 is rotatably connected to the cross bar, and the lower end of the upper abutment plate 61 is connected to the upper end of the lower abutment plate 62. The compression spring 63 is fixed between the lower abutment plate 62 and the bottom of the limiting groove 6. A pressure plate 64 is provided in the fixed circular groove 31 to slide along the vertical direction, and the pressure plate 64 is located above the lower ends of the two lower abutment plates 62. Under the action of the compression spring 63, the lower end of the lower abutment plate 62 extends out of the limiting groove 6 and the upper abutment plate 61 is located in the limiting groove 6. The rotating shaft of the lower abutment plate 62 is arranged perpendicular to the axis of the fixed circular groove 31, and the ends of the upper abutment plate 61 and the lower abutment plate 62 away from the cross bar can be rotatably extended out of the limiting groove 6. When in use, as shown in FIG. Figure 3 As shown, under the action of its own gravity, the tool drives the pressure plate 64 to move downward, and the pressure plate 64 presses the lower abutment plate 62 downward, the compression spring 63 is compressed, and then drives the two upper abutment plates 61 to rotate in the direction of approaching each other, and finally abuts against the tool, thereby limiting the lower end of the tool; when not in use, the elastic force of the compression spring 63 will cause the lower abutment plate 62 to move in the direction away from the bottom of the limiting groove 6, so that the lower ends of the two lower abutment plates 62 extend out of the limiting groove 6.

[0025] Furthermore, if Figure 2 As shown, the clamping plate 4 is arc-shaped, and a rubber pad 7 is provided on the opposite side of the two clamping plates 4. The arc-shaped clamping plate 4 can better fit the circular handle of the tool, and the rubber pad 7 is provided to better fit the tool.

[0026] Furthermore, if Figure 1 As shown, the bottom of the box body 1 is inclined toward the middle and is provided with an outlet. A collecting box 8 is provided below the outlet so that the collecting box 8 can collect sand more conveniently.

[0027] Furthermore, if Figure 1 As shown, one end of the support plate 2 extends out of the box body 1 and is provided with a motor 9, the support plate 2 is connected to a protection box below, the output end of the motor 9 extends into the protection box and is connected to a control rod, a pulley is provided on the control rod, a rotating rod is provided at the bottom of the turntable 3, the lower end of the rotating rod passes downward through the support plate 2 and extends into the protection box, a pulley is also provided at the lower end of the rotating rod, and a belt is connected between the two pulleys. The rotating rod is driven to rotate by the motor 9, thereby driving the turntable 3 to rotate. The protection box is provided to protect the belt and ensure the reliability of the transmission connection.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A fixing device for tool sandblasting, characterized in that: include: A support plate (2), a rotating disk (3) and a box (1) with a sandblasting head inside; The support plate (2) is arranged in the box body (1), the turntable (3) is rotatably connected to the support plate (2), and the turntable (3) is located at the center of the box body (1); A plurality of fixed circular grooves (31) are arranged on the turntable (3) and along the circumference of the turntable (3); clamping plates (4) for clamping and fixing the tool are symmetrically arranged on the surface of the turntable (3) and located on both sides of the fixed circular grooves (31); the two clamping plates (4) are rotatably connected to the threaded rod (51) at the sides away from each other; a fixing column (52) is fixed on the turntable (3); a through hole is arranged on the fixing column (52); and an inner wall of the through hole is provided with an internal thread that matches the external thread on the threaded rod (51).

2. A tool sandblasting fixing device as claimed in claim 1, characterized in that: The inner wall of the fixed circular groove (31) is symmetrically provided with two limiting grooves (6), a cross bar is provided in the limiting groove (6), and an upper abutting plate (61), a lower abutting plate (62) and a compression spring (63); the upper end of the lower abutting plate (62) is rotatably connected to the cross bar, the lower end of the upper abutting plate (61) is connected to the upper end of the lower abutting plate (62), and the compression spring (63) is fixed between the lower abutting plate (62) and the bottom of the limiting groove (6); a pressure plate (64) is slidably provided in the fixed circular groove (31) along the vertical direction, and the pressure plate (64) is located above the lower ends of the two lower abutting plates (62); under the action of the compression spring (63), the lower end of the lower abutting plate (62) extends out of the limiting groove (6) and the upper abutting plate (61) is located in the limiting groove (6).

3. A tool sandblasting fixing device as claimed in claim 1, characterized in that: The clamping plates (4) are arc-shaped, and rubber pads (7) are provided on opposite sides of the two clamping plates (4).

4. A tool sandblasting fixing device as claimed in claim 1, characterized in that: The bottom of the box body (1) is inclined toward the middle and is provided with an outlet, and a collection box (8) is provided below the outlet.

5. A tool sandblasting fixing device as claimed in claim 1, characterized in that: One end of the support plate (2) extends out of the box body (1) and is provided with a motor (9). The support plate (2) is connected to a protection box below. The output end of the motor (9) extends into the protection box and is connected to a control rod. A pulley is provided on the control rod. A rotating rod is provided at the bottom of the turntable (3). The lower end of the rotating rod passes through the support plate (2) downward and extends into the protection box. A pulley is also provided at the lower end of the rotating rod. A belt is connected between the two pulleys for transmission.

Images