A tool for facilitating thread turning of a motor shaft

Abstract

The utility model relates to a kind of tooling of motor shaft thread turning with convenience, including fixed body, rotator, locking bolt, internal cooling device and adjusting mechanism, fixed body is fixed with machine tool by rectangular connecting portion;Rotator inside embeds internal cooling device, and the horizontal cooling passage of internal cooling device is connected with C type upper spout and lower spout respectively, and two-way cooling liquid is accurately injected to turning tool cutting edge;Rotator is driven to rotate by adjusting wrench, and fixed angle by dial positioning blade rake angle, locking bolt;Rotator central axis is coincident with tool tip, ensure that tool tip central height is invariable when adjusting, this tooling realizes single-tool adaptation multi-specification thread processing, high-pressure cooling synchronous solution tool overheating, chip winding and workpiece scratch problem, improve processing efficiency and reduce tool inventory cost.

Description

Technical Field

[0001] This utility model relates to the field of metal cutting technology, and more specifically to a tooling for thread machining. Background Technology

[0002] As one of the main components of an electric motor, the production cost and efficiency of the motor drive shaft directly affect the motor's profit. There are many types of motor shafts, and different thread types require different thread helix angles. This necessitates a variety of thread-cutting tools, significantly increasing inventory and tool production costs. Furthermore, thread machining is a bottleneck in production, requiring high surface quality. Traditional machining methods produce long, narrow chips that easily scratch the surface and greatly affect tool life. Utility Model Content

[0003] To solve the above problems, this utility model discloses a tooling for easy thread turning of motor shafts. By adjusting the cutting edge inclination angle to complement the thread helix angle, it ensures that the cutting edge of the cutting tool is always perpendicular to the thread tooth side.

[0004] The specific technical solution is as follows:

[0005] A tooling for facilitating thread turning of a motor shaft, comprising:

[0006] The fixed body has a rectangular connecting part on one side for fixed connection with the machine tool;

[0007] A rotating body, rotatably mounted inside a fixed body, is used to adjust the inclination angle of a threading tool. The rotating body consists of upper and lower parts, with a pre-drilled gap between them forming an adjustment groove. Two locking bolts are located at the lower part of the fixed body to lock the rotating body. An internal cooling device penetrates the rotating body and includes a horizontally arranged cooling water channel connected to an external coolant source at its end. The upper spray pipe is a C-shaped copper tube, connected to the upper end of the cooling water channel via a sealing thread, with its outlet facing the cutting edge of the tool. The lower spray nozzle is located at the front end of the rotating body, corresponding vertically to the upper spray pipe, and connected to the front end of the cooling water channel via a sealing thread, with its outlet facing the cutting edge of the tool. A slot is provided inside the rotating body, and a square tool shank is placed within the slot. Two locking bolts penetrate the fixed body and press against the lower half of the rotating body, closing the upper and lower parts of the rotating body to compress the square tool shank and simultaneously fix the angle of the rotating body.

[0008] The adjustment mechanism includes a dial and an adjustment wrench. The adjustment wrench is inserted into the adjustment slot to adjust the phase of the rotating body relative to the fixed body. The dial is set on the front end face of the rotating body.

[0009] The rotating body has a slot, the square blade is placed in the slot, and two locking bolts are used to lock and fix the square blade by locking the rotating body.

[0010] The central axis of the rotating body coincides with the position of the blade tip. When the rotating body rotates to adjust the blade tilt angle, the center height of the blade tip remains unchanged.

[0011] The advantages of this invention are: the stepless adjustment of the cutting edge angle is achieved through the rotatable structure, allowing a single thread turning tool to adapt to the machining requirements of different thread helix angles, significantly reducing tool inventory costs; the integrated dual-path internal cooling system utilizes high-pressure coolant to precisely spray onto the cutting zone, simultaneously solving problems such as tool overheating, chip entanglement, and workpiece scratches; the coaxial design of the rotation center and the tool tip ensures that the center height of the tool tip remains constant during cutting edge angle adjustment, greatly reducing the time spent on repeated tool setting, thereby improving both the quality of thread machining and production efficiency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 for Figure 1 The main view. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] A tooling for facilitating thread turning of a motor shaft, comprising:

[0016] The fixed body 2 has a rectangular connecting part 1 on one side for fixed connection with the machine tool;

[0017] A rotating body 6 is rotatably mounted inside a fixed body and is used to adjust the inclination angle of a thread cutting tool. The rotating body 6 consists of upper and lower parts, with a pre-reserved gap between the two parts forming an adjustment groove 9. Two locking bolts 10 are located at the lower part of the fixed body 2 to lock the rotating body 6. An internal cooling device penetrates the interior of the rotating body 6 and includes a horizontally arranged cooling water channel 5, the end of which is connected to an external coolant source. The upper spray pipe 3 is a C-shaped copper metal pipe, which is connected to the upper end of the cooling water channel 5 through a sealing thread, with its outlet facing the cutting edge of the cutting tool. The lower spray nozzle 4 is located at the front end of the rotating body 6, corresponding vertically to the upper spray pipe 3, and is connected to the front end of the cooling water channel through a sealing thread, with its outlet facing the cutting edge of the cutting tool.

[0018] The adjustment mechanism includes a dial 12 and an adjustment wrench 11. The adjustment wrench 11 is inserted into the adjustment slot 9 to adjust the phase of the rotating body 6 relative to the fixed body 2. The dial 12 is set on the front end face of the rotating body 6.

[0019] The rotating body 6 has a slot, and the square blade 8 is placed in the slot.

[0020] Two locking bolts 10 press and fix the square knife rod 8 through the locking rotating body 6.

[0021] The central axis of the rotating body 6 coincides with the position of the blade tip. When the rotating body 6 rotates to adjust the blade tilt angle, the center height of the blade tip remains unchanged.

[0022] The working principle of this utility model is as follows: Before processing, the required cutting edge inclination angle is calculated based on the thread helix angle. The adjusting wrench 11 is inserted into the adjusting groove 9 of the rotating body 6 to drive the rotating body 6 to drive the square tool bar 8 and the cutting tool 7 to rotate synchronously. After the angle is precisely set by the dial 12, it is fixed with the locking bolt 10. The external high-pressure coolant is diverted through the cooling water channel 5 to the C-shaped upper spray pipe 3 and lower spray nozzle 4, and is precisely sprayed onto the cutting edge area of ​​the cutting tool to achieve cooling, chip breaking and chip removal. The central axis of the rotating body 6 coincides with the cutting edge of the cutting tool 7, ensuring that the center height of the cutting edge is constant when the cutting edge inclination angle is adjusted. Finally, a single tool can efficiently process threads of various specifications and eliminate chip entanglement and scratches.

Claims

1. A tooling for facilitating thread turning of a motor shaft, characterized in that, include: The fixed body (2) has a rectangular connecting part (1) on one side for fixed connection with the machine tool; A rotating body (6) is rotatably set inside a fixed body and is used to adjust the inclination angle of a thread cutting tool. The rotating body (6) consists of two parts, an upper part and a lower part, with a gap between the two parts forming an adjustment groove (9). Two locking bolts (10) are set at the lower part of the fixed body (2) to lock the rotating body (6). An internal cooling device runs through the interior of the rotating body (6) and includes a horizontally set cooling water channel (5) with its end connected to an external coolant source. The upper spray pipe (3) is a C-shaped copper metal pipe, located on the front end face of the rotating body (6) near the cutting edge of the cutting tool. It is connected to the upper end of the cooling water channel (5) through a sealing thread, and its outlet faces the cutting edge of the cutting tool. The lower spray nozzle (4) is located at the front end of the rotating body (6) and corresponds to the upper spray pipe (3). It is connected to the front end of the cooling water channel through a sealing thread, and its outlet faces the cutting edge of the cutting tool. The adjustment mechanism includes a dial (12) and an adjustment wrench (11). The adjustment wrench (11) is inserted into the adjustment slot (9) to adjust the phase of the rotating body (6) relative to the fixed body (2). The dial (12) is set on the front end face of the rotating body (6).

2. The tooling for facilitating motor shaft thread turning according to claim 1, characterized in that: The rotating body (6) has a slot, the square knife rod (8) is placed in the slot, and two locking bolts (10) pass through the fixed body (2) and press against the lower half of the rotating body (6), so that the upper and lower parts of the rotating body (6) are closed to press the square knife rod (8), and at the same time fix the angle of the rotating body (6).

3. The tooling for facilitating thread turning of the motor shaft according to claim 1, characterized in that: The central axis of the rotating body (6) coincides with the position of the blade tip. When the rotating body (6) rotates to adjust the blade tilt angle, the center height of the blade tip remains unchanged.

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