Hob clamp for sand blasting

Abstract

The utility model relates to the technical field of hobbing cutter clamps, and discloses a hobbing cutter clamp for sand blasting, which comprises a clamp body and a hobbing cutter, the fixture body is composed of a connecting rod, a key part, an external thread A, an external thread B, a protective rubber ring A, a fixing nut A, a protective rubber ring B, a fixing nut B, a threaded hole A, a threaded hole B, a fixing bolt, a fixing nut C and a connecting block. A key part fixedly connected to the surface of the connecting rod is used for fixing the hobbing cutter in the rotating aspect, so that the hobbing cutter cannot rotate along with the rotation of the connecting rod during sand blasting and polishing, and the hobbing cutter can be polished more accurately; and the hob can be limited in the left-right direction through the fixing nuts A and the fixing nuts B on the two sides of the key part, and the problem that the hob falls off in the sand blasting process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of roller cutter clamps, in particular to a roller cutter clamp for sandblasting. Background Art

[0002] Gear hobs are the most important tools for gear processing. Whether it is a high-speed steel gear hob or a carbide gear hob, sandblasting is an essential process before coating the gear hob. When sandblasting, the hob needs to be fixed with a fixture before sandblasting. However, the existing fixture is not reliable for fixing the hob. Due to the large force of sandblasting, the hob and the fixture are prone to relative rotation, resulting in uneven sandblasting on the hob surface. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a roller cutter fixture for sandblasting.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hob clamp for sandblasting, comprising a clamp body and a hob, wherein the clamp body and the hob are plugged together;

[0007] The clamp body is composed of a connecting rod, a key portion, an external thread A and an external thread B, a protective rubber ring A, a fixing nut A, a protective rubber ring B, a fixing nut B, a threaded hole A, a threaded hole B, a fixing bolt, a fixing nut C, and a connecting block. The key portion is fixedly connected to the middle of the connecting rod, the external thread A is opened at the connecting rod on the left side of the key portion, the external thread B is opened at the connecting rod on the right side of the key portion, the protective rubber ring A is sleeved on the right side of the external thread A, the fixing nut A is threadedly connected to the left side of the external thread A, the protective rubber ring B is sleeved on the left side of the external thread B, the fixing nut B is threadedly connected to the right side of the external thread B, the threaded hole A is opened on the left and right sides of the connecting rod, the threaded hole B is opened on both sides of the connecting rod, the fixing bolt is threadedly connected in the threaded hole A, the fixing nut C is threadedly connected to the fixing bolt, and the connecting block is sleeved between the connecting rod and the fixing bolt;

[0008] The hob consists of a cutter shaft, a blade, a connecting hole and a keyway. The blade is fixedly connected to the outer surface of the cutter shaft, the connecting hole is arranged at the center of the cutter shaft, and the keyway is arranged on the connecting hole.

[0009] Preferably, the length of the key portion is shorter than the length of the key slot.

[0010] Preferably, the opening sizes of the fixing nut A, the protective rubber ring A, the fixing nut B, and the protective rubber ring B are consistent with the size of the connecting rod.

[0011] Preferably, the number of the threaded holes A and the threaded holes B is two, the threaded holes A are distributed in the vertical direction on both sides of the connecting rod, and the threaded holes B are distributed in the horizontal direction on both sides of the connecting rod, and the threaded holes A and the threaded holes B are consistent in size.

[0012] Preferably, there are two fixing bolts, which are threadedly connected to the threaded hole A and the threaded hole B respectively, and the size of the fixing bolts is consistent with the size of the threaded hole A and the threaded hole B.

[0013] Preferably, the number of the fixing nuts C is two, and the size of the opening of the fixing nut C is consistent with the size of the fixing bolt.

[0014] Preferably, there are two connecting blocks, which are sleeved between the two sides of the connecting rod and the fixing bolts.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a hob fixture for sandblasting, which has the following beneficial effects:

[0017] 1. A hob clamp for sandblasting is connected to the hob through a connecting rod in the clamp body, and a key portion fixedly connected on the surface of the connecting rod fixes the hob in rotation, ensuring that the hob will not rotate with the rotation of the connecting rod during sandblasting and polishing, so that the hob can be polished more accurately to prevent the problem of uneven sandblasting. The fixing nuts A and B on both sides of the key portion can limit the hob in the left and right directions to prevent the hob from falling off during the sandblasting process. The protective rubber ring A and the protective rubber ring B between the fixing nut and the hob protect the hob to prevent the connection between the fixing nut and the hob from being too tight, causing scratches on the hob. The threaded holes on the left and right sides of the connecting rod can fix the hob in the horizontal and vertical directions to ensure that all aspects of the hob are sandblasted to achieve higher grinding accuracy. At the same time, it is also a connection point for connecting the connecting block on the sandblasting machine, providing a connection position for the connection between the clamp body and the sandblasting machine.

[0018] 2. This hob fixture for sandblasting is connected to a connecting rod through a connecting hole on a hob shaft. A keyway on the connecting hole and a key portion on the connecting rod are fixed to each other to ensure that the hob will not roll on the connecting rod. The blade on the outer side of the shaft enables the functional area of ​​the hob to cut corresponding objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the structure of the fixture body of the utility model;

[0021] Figure 2 This is a schematic diagram of the connecting rod structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the hob structure of the utility model.

[0023] In the figure: 1. fixture body; 2. hob; 3. connecting rod; 4. key; 5. external thread A; 6. external thread B; 7. protective rubber ring A; 8. fixing nut A; 9. protective rubber ring B; 10. fixing nut B; 11. threaded hole A; 12. threaded hole B; 13. fixing bolt; 14. fixing nut C; 15. connecting block; 16. cutter shaft; 17. blade; 18. connecting hole; 19. keyway. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1

[0026] like Figure 1-2As shown, the utility model provides a hob clamp for sandblasting, including a clamp body 1 and a hob 2, the clamp body 1 and the hob 2 are plugged together, the clamp body 1 is composed of a connecting rod 3, a key portion 4, an external thread A5, an external thread B6, a protective rubber ring A7, a fixing nut A8, a protective rubber ring B9, a fixing nut B10, a threaded hole A11, a threaded hole B12, a fixing bolt 13, a fixing nut C14, and a connecting block 15, the key portion 4 is fixedly connected to the middle of the connecting rod 3, the external thread A5 is fixedly connected to the middle of the connecting rod 3, and the external thread A5 is fixedly connected to the middle of the connecting rod 3. The key portion 4 is opened at the connecting rod 3 on the left side, the external thread B6 is opened at the connecting rod 3 on the right side of the key portion 4, the protective rubber ring A7 is sleeved on the right side of the external thread A5, the fixing nut A8 is threadedly connected to the left side of the external thread A5, the protective rubber ring B9 is sleeved on the left side of the external thread B6, and the fixing nut B10 is threadedly connected to the right side of the external thread B6. The opening size of the fixing nut A7, the protective rubber ring A8, the fixing nut B9, and the protective rubber ring B10 is consistent with the size of the connecting rod 3. Hole A11 is opened on the left and right sides of the connecting rod 3, and threaded hole B12 is opened on both sides of the connecting rod 3. The number of threaded holes A11 and threaded holes B12 is two. The threaded holes A11 are distributed in the vertical direction on both sides of the connecting rod 3, and the threaded holes B12 are distributed in the horizontal direction on both sides of the connecting rod 3. The sizes of threaded holes A11 and threaded holes B12 are consistent. The fixing bolts 13 are threadedly connected in the threaded holes A11. The number of fixing bolts 13 is two, which are respectively threaded in the threaded holes A11 and the threaded holes B12. The size of the fixing bolts 13 is consistent with the size of the threaded holes A11 and the threaded holes B12. The fixing nuts C14 are threadedly connected to the fixing bolts 13. The number of fixing nuts C14 is two, and the size of the opening of the fixing nuts C14 is consistent with the size of the fixing bolts 13. The connecting block 15 is sleeved between the connecting rod 3 and the fixing bolts 13. The number of connecting blocks 15 is two, which are sleeved between the two sides of the connecting rod 3 and the fixing bolts 13.

[0027] In this embodiment, the hob cutter clamp for sandblasting is connected to the hob cutter 2 through the connecting rod 3 in the clamp body 1. The key portion 4 fixedly connected to the surface of the connecting rod 3 fixes the hob cutter 2 in rotation, ensuring that the hob cutter 2 will not rotate with the rotation of the connecting rod 3 during sandblasting and polishing, and can polish the hob cutter 2 more accurately to prevent the problem of uneven sandblasting. The fixing nuts A8 and the fixing nuts B10 on both sides of the key portion 4 can limit the hob cutter 2 in the left and right directions to prevent the hob cutter 2 from falling off during the sandblasting process. The protective rubber ring A7 and the protective rubber ring B9 between the fixing nut and the hob cutter 2 protect the hob cutter 2 to prevent the connection between the fixing nut and the hob cutter 2 from being too tight, causing scratches on the hob cutter 2. The threaded holes on the left and right sides of the connecting rod 3 can fix the hob cutter 2 in the horizontal and vertical directions to ensure that all aspects of the hob cutter 2 are sandblasted to achieve higher polishing accuracy. At the same time, it is also a connection point for connecting the connecting block 15 on the sandblasting machine, providing a connection position for the connection between the clamp body 1 and the sandblasting machine.

[0028] Example 2

[0029] like Figure 3 As shown, based on Example 1, the utility model provides a technical solution: the hob 2 is composed of a cutter shaft 16, a blade 17, a connecting hole 18 and a keyway 19, the blade 17 is fixedly connected to the outer surface of the cutter shaft 16, the connecting hole 18 is opened at the center of the cutter shaft 16, the keyway 19 is opened on the connecting hole 18, and the length of the key portion 4 is shorter than the length of the keyway 19.

[0030] In this embodiment, the hob clamp for sandblasting is connected to the connecting rod 3 through the connecting hole 18 on the cutter shaft 16 of the hob 2. The key slot 19 provided on the connecting hole 18 is fixed to the key portion 4 on the connecting rod 3 to ensure that the hob 2 will not roll on the connecting rod 3. The blade 17 on the outer side of the cutter shaft 16 enables the functional area of ​​the hob 2 to cut the corresponding objects.

[0031] The following is a detailed description of the working principle of this roller cutter fixture for sandblasting.

[0032] like Figure 1-3As shown, when in use, the hob cutter clamp for sandblasting is connected to the hob cutter 2 through the connecting rod 3 in the clamp body 1, and the key portion 4 fixedly connected to the surface of the connecting rod 3 fixes the hob cutter 2 in rotation, ensuring that the hob cutter 2 will not rotate with the rotation of the connecting rod 3 during sandblasting and polishing, so that the hob cutter 2 can be polished more accurately to prevent the problem of uneven sandblasting. The fixing nuts A8 and the fixing nuts B10 on both sides of the key portion 4 can limit the hob cutter 2 in the left and right directions to prevent the hob cutter 2 from falling off during the sandblasting process. The protective rubber ring A7 and the protective rubber ring B9 between the fixing nut and the hob cutter 2 protect the hob cutter 2 to prevent the connection between the fixing nut and the hob cutter 2 from being too tight. The threaded holes on the left and right sides of the connecting rod 3 can fix the hob 2 in the horizontal and vertical directions to ensure that all aspects of the hob 2 are sandblasted to achieve higher grinding accuracy. The threaded holes are also the connection points for connecting the connecting blocks 15 on the sandblasting machine, providing a connection position for the connection between the fixture body 1 and the sandblasting machine. The hob 2 fixture for sandblasting is connected to the connecting rod 3 through the connecting hole 18 on the cutter shaft 16 of the hob 2. The keyway 19 on the connecting hole 18 is fixed to the key portion 4 on the connecting rod 3 to ensure that the hob 2 will not roll on the connecting rod 3. The blade 17 on the outer side of the cutter shaft 16 enables the functional area of ​​the hob 2 to cut corresponding objects.

Claims

1. A roller cutter fixture for sandblasting, comprising a fixture body (1) and a roller cutter (2), characterized in that: The clamp body (1) and the hob (2) are plugged into each other; The clamp body (1) is composed of a connecting rod (3), a key portion (4), an external thread A (5), an external thread B (6), a protective rubber ring A (7), a fixing nut A (8), a protective rubber ring B (9), a fixing nut B (10), a threaded hole A (11), a threaded hole B (12), a fixing bolt (13), a fixing nut C (14), and a connecting block (15). The key portion (4) is fixedly connected to the middle of the connecting rod (3), the external thread A (5) is provided at the connecting rod (3) on the left side of the key portion (4), the external thread B (6) is provided at the connecting rod (3) on the right side of the key portion (4), the protective rubber ring A (7) is sleeved on the external thread The threaded hole A (11) is provided on the right side of the connecting rod (3), the fixing nut A (8) is threadedly connected to the left side of the external thread A (5), the protective rubber ring B (9) is sleeved on the left side of the external thread B (6), the fixing nut B (10) is threadedly connected to the right side of the external thread B (6), the threaded hole A (11) is provided on the left and right sides of the connecting rod (3), the threaded hole B (12) is provided on the two sides of the connecting rod (3), the fixing bolt (13) is threadedly connected in the threaded hole A (11), the fixing nut C (14) is threadedly connected to the fixing bolt (13), and the connecting block (15) is sleeved between the connecting rod (3) and the fixing bolt (13); The hob (2) is composed of a cutter shaft (16), a blade (17), a connecting hole (18) and a keyway (19); the blade (17) is fixedly connected to the outer surface of the cutter shaft (16); the connecting hole (18) is arranged at the center of the cutter shaft (16); and the keyway (19) is arranged on the connecting hole (18).

2. A sandblasting roller fixture according to claim 1, characterized in that: The length of the key portion (4) is shorter than the length of the key groove (19).

3. The sandblasting roller fixture according to claim 1, characterized in that: The opening sizes of the fixing nut A (8), the protective rubber ring A (7), the fixing nut B (10) and the protective rubber ring B (9) are consistent with the size of the connecting rod (3).

4. The sandblasting roller fixture according to claim 1, characterized in that: The number of the threaded holes A (11) and the threaded holes B (12) is two. The threaded holes A (11) are distributed in the vertical direction on both sides of the connecting rod (3), and the threaded holes B (12) are distributed in the horizontal direction on both sides of the connecting rod (3). The threaded holes A (11) and the threaded holes B (12) are of the same size.

5. The sandblasting roller fixture according to claim 1, characterized in that: There are two fixing bolts (13), which are respectively threadedly connected to the threaded hole A (11) and the threaded hole B (12); the size of the fixing bolts (13) is consistent with the size of the threaded hole A (11) and the threaded hole B (12).

6. The sandblasting roller fixture according to claim 1, characterized in that: The number of the fixing nuts C (14) is two, and the size of the opening of the fixing nuts C (14) is consistent with the size of the fixing bolts (13).

7. The sandblasting roller fixture according to claim 1, characterized in that: There are two connecting blocks (15) which are sleeved between the two sides of the connecting rod (3) and the fixing bolts (13).

Images