Slotting cutter grinding and clamping device

Abstract

The utility model discloses a slotting cutter grinding and clamping device which comprises a taper workpiece, a tower type inner positioning assembly, a tower type outer positioning assembly and a bolt, the taper workpiece comprises a conical head and a positioning mandrel, the positioning mandrel is arranged at the rear end of the conical head, and a mandrel threaded hole is formed in the positioning mandrel; the tower type inner positioning assembly comprises a first inner positioning disc and a second inner positioning disc, the second inner positioning disc is arranged at the rear end of the first inner positioning disc, the first inner positioning disc is provided with a positioning through hole, and the second inner positioning disc is provided with a first connecting through hole; the tower type outer positioning assembly comprises a first outer positioning disc and a second outer positioning disc, the second outer positioning disc is connected to the front end of the first outer positioning disc, and the tower type outer positioning assembly is provided with a second connecting through hole; the positioning mandrel is inserted into the positioning through hole, and the bolt penetrates through the second connecting through hole and the first connecting through hole to be connected to the mandrel threaded hole. According to the tool, the disc-shaped slotting cutter can be rapidly clamped on a machine tool, and repairing machining of the disc-shaped slotting cutter is achieved.

Description

Technical Field

[0001] The utility model belongs to the field of mechanical tooling, and particularly relates to a grinding clamping device for a gear shaper cutter. Background Art

[0002] A gear shaper cutter is a gear forming or rack-shaped gear machining tool. The gear shaper cutter processes internal and external meshing straight and helical cylindrical gears according to the generating method. The characteristics of the gear shaper cutter are that it can process gears with shoulders, multi-stage gears, herringbone gears without relief grooves, etc. Special-shaped gear shaper cutters can also process workpieces with various other profiles, such as cams and internal splines.

[0003] During the use of the gear shaper cutter, wear will inevitably occur, generating a large number of worn parts of the gear shaper cutter. However, at present, there is a lack of a processing carrier for the gear shaper cutter to repair the gear shaper cutter. Content of the Utility Model

[0004] The purpose of the utility model is to provide a grinding clamping device for a gear shaper cutter, which can quickly clamp a disc-shaped gear shaper cutter on a machine tool to realize the repair processing of the disc-shaped gear shaper cutter.

[0005] To achieve the above purpose, the technical solution used in the utility model is:

[0006] The grinding clamping device for a gear shaper cutter includes: a tapered workpiece, a tower-type inner positioning component, a tower-type outer positioning component, and a bolt. The tapered workpiece includes: a tapered head and a positioning mandrel. The outer shape of the tapered head is a frustum of a cone, the outer diameter of the front end of the tapered head is smaller than that of the rear end, the positioning mandrel is arranged at the rear end of the tapered head, and the positioning mandrel is provided with a mandrel threaded hole; the tower-type inner positioning component includes: a first inner positioning disc and a second inner positioning disc. The second inner positioning disc is arranged at the rear end of the first inner positioning disc. The outer diameter of the second inner positioning disc is smaller than that of the first inner positioning disc. The first inner positioning disc is provided with a positioning through hole, and the second inner positioning disc is provided with a first connection through hole. The positioning through hole and the connection through hole are communicated with each other. The inner diameter of the positioning through hole is equal to the outer diameter of the positioning mandrel; the tower-type outer positioning component includes: a first outer positioning disc and a second outer positioning disc. The outer diameter of the second outer positioning disc is smaller than that of the first outer positioning disc. The second outer positioning disc is connected to the front end of the first outer positioning disc. The tower-type outer positioning component is provided with a second connection through hole penetrating through the first outer positioning disc and the second outer positioning disc; the positioning mandrel is inserted into the positioning through hole, the second inner positioning disc and the second outer positioning disc are opposite in position, and the bolt passes through the second connection through hole, the first connection through hole and is connected to the mandrel threaded hole.

[0007] Further, a washer is sleeved on the bolt, and the bolt passes through the washer, the second connection through hole, the first connection through hole, the positioning through hole and is connected to the mandrel threaded hole.

[0008] Further, the inner diameter of the positioning through hole is larger than the inner diameter of the connection through hole.

[0009] Further, the first inner positioning disc, the second inner positioning disc, the first outer positioning disc, and the second outer positioning disc are respectively cylindrical.

[0010] The technical effects of the present utility model include:

[0011] 1. The present utility model can quickly position, replace, and clamp various disc-shaped gear shaper cutters onto the machine tool, realizing the repair machining of disc-shaped gear shaper cutters.

[0012] 2. The present utility model can realize the machining of disc-shaped gear shaper cutters at various angles on the machine tool. Description of the Drawings

[0013] Figure 1 is a schematic diagram of the use state of the gear shaper cutter grinding and clamping device in the present utility model;

[0014] Figure 2 is an exploded view of the use state of the gear shaper cutter grinding and clamping device in the present utility model. Detailed Embodiments

[0015] The following description fully shows the specific implementation schemes of the present utility model, enabling those skilled in the art to practice and reproduce.

[0016] As Figure 1 shown, it is a schematic diagram of the use state of the gear shaper cutter grinding and clamping device in the present utility model; as Figure 2 shown, it is an exploded view of the use state of the gear shaper cutter grinding and clamping device in the present utility model.

[0017] The gear shaper cutter grinding and clamping device includes: a tapered workpiece 1, a tower-type inner positioning component 2, a tower-type outer positioning component 3, and a bolt 4.

[0018] The tapered workpiece 1 includes: a tapered head 11 and a positioning mandrel 12. The outer shape of the tapered head 11 is frustum-shaped, and the outer diameter of the front end of the tapered head 11 is smaller than that of the rear end; the positioning mandrel 12 is arranged at the rear end of the tapered head 11, and the positioning mandrel 12 is provided with a mandrel threaded hole 13.

[0019] The tower-type inner positioning component 2 includes: a first inner positioning disc 21 and a second inner positioning disc 22. The second inner positioning disc 22 is arranged at the rear end of the first inner positioning disc 21, and the outer diameter of the second inner positioning disc 22 is smaller than that of the first inner positioning disc 21; the first inner positioning disc 21 is provided with a positioning through hole, and the second inner positioning disc 22 is provided with a first connection through hole. The positioning through hole and the connection through hole are communicated, and the inner diameter of the positioning through hole is equal to the outer diameter of the positioning mandrel 12. The first inner positioning disc 21 and the second inner positioning disc 22 are cylindrical in shape.

[0020] The inner diameter of the positioning through hole is larger than that of the connection through hole. The outer diameter of the second inner positioning disc 22 is the same as the inner diameter of the cutter inner hole of the disc-shaped gear shaper cutter 6 to position the disc-shaped gear shaper cutter 6.

[0021] The tower-type outer positioning component 3 includes: a first outer positioning disk 31 and a second outer positioning disk 32. The outer diameter of the second outer positioning disk 32 is smaller than that of the first outer positioning disk 31. The second outer positioning disk 32 is connected to the front end of the first outer positioning disk 31. The tower-type outer positioning component 3 is provided with a second connection through hole 33 that penetrates the first outer positioning disk 31 and the second outer positioning disk 32. The first outer positioning disk 31 and the second outer positioning disk 32 are cylindrical.

[0022] The positioning mandrel 12 is inserted into the positioning through hole. The tower-type inner positioning component 2 and the tower-type outer positioning component 3 are relatively positioned, and the second inner positioning disk 22 and the second outer positioning disk 32 are relatively positioned. To further ensure the tightness of the connection, a washer 5 is sleeved on the bolt 4, and the bolt 4 passes through the washer 5, the second connection through hole 33, and the first connection through hole and is connected to the mandrel threaded hole 13.

[0023] During use, the taper head 11 is installed in the machine tool spindle. Rotate the machine tool spindle to ensure that the circular runout is less than 0.01 mm. Install the positioning through hole of the tower-type inner positioning component 2 on the positioning mandrel 12, and use the bolt 4 to connect to the mandrel threaded hole 13 to fix the tower-type inner positioning component 2. Use a dial indicator to ensure that the circular runout is less than 0.001 mm. Remove the bolt 4, and then use the bolt 4 to fixedly connect the tower-type outer positioning component 3, the tower-type inner positioning component 2, and the tapered workpiece 1 again. Use a dial indicator to ensure that the circular runout is not greater than 0.03 mm. Remove the bolt 4, place the disc-shaped gear shaper cutter 6 between the tower-type inner positioning component 2 and the tower-type outer positioning component 3. The second inner positioning disk 22 and the second outer positioning disk 32 are respectively inserted into the cutter inner holes of the disc-shaped gear shaper cutter 6. The bolt 4 passes through the washer 5, the second connection through hole 33, the cutter inner hole, the first connection through hole, and the positioning through hole and is connected to the mandrel threaded hole 13 to fix the disc-shaped gear shaper cutter 6 between the tower-type inner positioning component 2 and the tower-type outer positioning component 3. Then rotate the machine tool spindle and cooperate with the bowl-shaped grinding wheel to machine the disc-shaped gear shaper cutter 6 until all the cutting edges of the rake face of the disc-shaped gear shaper cutter 6 are sharp.

[0024] The terms used in this utility model are illustrative and exemplary, rather than restrictive. Since this utility model can be specifically implemented in multiple forms without departing from the spirit or essence of the technical solution, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be broadly interpreted within the spirit and scope defined by the appended claims. Therefore, all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A gear shaping cutter grinding and clamping device, characterized in that: include: A tapered workpiece, a tower-type inner positioning assembly, a tower-type outer positioning assembly, and a bolt. The tapered workpiece includes: a cone head and a positioning mandrel. The cone head is in a frustum shape. The outer diameter of the front end of the cone head is smaller than the outer diameter of the rear end. The positioning mandrel is arranged at the rear end of the cone head. The positioning mandrel is provided with a mandrel threaded hole. The tower-type inner positioning assembly includes: a first inner positioning disk and a second inner positioning disk. The second inner positioning disk is arranged at the rear end of the first inner positioning disk. The outer diameter of the second inner positioning disk is smaller than the outer diameter of the first inner positioning disk. The first inner positioning disk is provided with a positioning through hole. The second inner positioning disk is provided with a first connecting through hole. The positioning The through hole and the connecting through hole are connected, and the inner diameter of the positioning through hole is equal to the outer diameter of the positioning core shaft; the tower-type external positioning component includes: a first external positioning plate and a second external positioning plate, the outer diameter of the second external positioning plate is smaller than the outer diameter of the first external positioning plate, the second external positioning plate is connected to the front end of the first external positioning plate, and the tower-type external positioning component is provided with a second connecting through hole that penetrates the first external positioning plate and the second external positioning plate; the positioning core shaft is inserted into the positioning through hole, the second internal positioning plate and the second external positioning plate are positioned oppositely, and the bolt passes through the second connecting through hole and the first connecting through hole and is connected to the core shaft threaded hole.

2. The gear shaping cutter grinding and clamping device according to claim 1, characterized in that: The bolt sleeve is provided with a washer, and the bolt passes through the washer, the second connecting through hole, the first connecting through hole, and the positioning through hole and is connected to the core shaft threaded hole.

3. The gear shaping cutter grinding and clamping device according to claim 1, characterized in that: The inner diameter of the positioning through hole is greater than the inner diameter of the connecting through hole.

4. The gear shaping cutter grinding and clamping device according to claim 1, characterized in that: The first inner positioning plate, the second inner positioning plate, the first outer positioning plate, and the second outer positioning plate are respectively cylindrical.

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