CN215698285U

CN215698285U - Groove milling tool for explosion-proof three-phase asynchronous motor shaft

Info

Publication number: CN215698285U
Application number: CN202122434465.6U
Authority: CN
Inventors: 李小阳; 陈宇; 顾敏年
Original assignee: Jiangsu Kendeky Motor Co ltd
Current assignee: Jiangsu Kendeky Motor Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-02-01
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses an explosion-proof type three-phase asynchronous motor shaft groove milling tool, which belongs to the technical field of motor shaft groove milling tools and comprises a motor shaft groove milling tool, wherein a motor shaft is placed between a second clamping disc and a first clamping disc, a second motor on first clamping devices on two sides is started, second threaded rods on the first clamping devices on two sides are rotated, second threaded holes on two sides on the second clamping devices move towards one side of the first clamping disc, the motor shaft is clamped through the second clamping disc and the first clamping disc, the first clamping disc is driven to rotate to drive the motor shaft to rotate by starting the second motor, the first motor is started at the moment and drives the first threaded rods to rotate, so that the first clamping devices on two sides are clamped inwards, tracks assembled on the first clamping devices on two sides are contacted with the outer wall of the motor shaft, and can rotate along with the motor shaft when rotating, so that the friction force can be reduced under the condition of supporting the motor shaft, the outer wall that can protect the motor shaft also can promote the life of frock.

Description

Groove milling tool for explosion-proof three-phase asynchronous motor shaft

Technical Field

The utility model belongs to the technical field of motor shaft milling groove tools, and particularly relates to a flame-proof type three-phase asynchronous motor shaft milling groove tool.

Background

The desired groove is cut by a particular tool. Simply, a tool with a bottom edge is used to cut a groove. The steps are generally that a groove center line is directly cut to a certain depth, a groove is milled, cut and grooved (back and forth milling) are milled to a specified depth, and then the size is finely milled according to the groove width. The milling flutes are usually vertical milling cutters and disc saw blade type milling cutters, and the requirements on the whole machine tool are high according to different materials and processing requirements in the cutting process, such as the number of teeth of the cutter, the rotating speed of a main shaft power head, the attribute of cutting fluid and the structural rigidity of the whole machine tool.

When a key groove is machined on a shaft, the symmetry degree is an important quality index, and the requirement on the key groove is higher and higher along with the development of production. In order to improve productivity in the mass production of key grooves, a method of positioning by using a fixture is generally adopted. However, it is generally difficult to achieve a high degree of symmetry due to the unavoidable manufacturing errors and mounting errors of the jigs and the tool setting errors of the operator. For example, when a batch of outlet motors are processed, the symmetry of the key groove on the output end of the rotor needs to be controlled within 0.005 mm.

The existing tool is used for clamping a motor shaft, the tool is excessively abraded in the process of rotating a milling groove, scraping is generated on the surface of the motor shaft, and subsequent polishing is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flame-proof type three-phase asynchronous motor shaft milling groove tool, which aims at solving the problems that in the process of clamping a motor shaft by the existing tool, the surface of the motor shaft is scratched due to excessive abrasion in the process of rotating the milling groove, and subsequent polishing is needed.

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides an asynchronous motor shaft milling flutes frock of flame-proof type, includes motor shaft milling flutes frock, motor shaft milling flutes frock include fixture base assembly and centre gripping frock assembly, centre gripping frock assembly slide assembly at the up end of fixture base assembly, centre gripping frock assembly include first clamping device and second clamping device, second clamping device both ends symmetry be equipped with first clamping device, and second clamping device can remove between the first clamping device in both sides, can protect the outer wall of work piece when the work piece rotates through first clamping device to it is more wear-resisting.

Preferably, first clamping device include the riser, the up end of riser be equipped with the pivot, the pivot is equipped with the rotor plate on being close to the outer wall of upper end, the rotor plate is close to center department and is equipped with rotatable track, can follow when the motor shaft rotates through the track and rotate, can protect the outer wall of motor shaft, and reduce the friction of frock, make it more durable.

Preferably, the riser be close to and be provided with the mounting groove on the positive outer wall, the inside rotation of mounting groove is equipped with the second threaded rod, be close to and be equipped with the second motor on the second threaded rod side, and the rotation end of second motor pierces through the outer wall ice fire and the second threaded rod of riser and is connected, the bottom of riser is equipped with the inserted block, be provided with first screw hole on the inserted block, can adjust the distance between the first clamping device in both sides through the cooperation of inserted block and first screw hole and first motor and first threaded rod, thereby can have more the diameter of motor shaft to adjust.

Preferably, the back of riser be equipped with the layer board, the both ends of layer board are equipped with the telescopic link of symmetry, the upper end of telescopic link is equipped with the pivot, be provided with the spout of symmetry on the back of rotor plate is close to the position of both ends telescopic link, the inside that the slider inserted the spout can slide.

Preferably, the second clamping device comprises a sleeve, a slidable extension rod is assembled inside the sleeve, symmetrical assembling blocks are assembled at two ends of the sleeve far away from the extension rod, a second threaded hole is formed in each assembling block, a connecting plate is fixedly connected to the upper end of the sleeve, a second clamping disc is rotatably connected to the back of the connecting plate, and a motor shaft is clamped between the second clamping disc and the first clamping disc.

Preferably, the tooling base assembly include the bottom plate, the up end of bottom plate be provided with the recess, the bottom of recess is provided with the assembly groove, the inside rotation of assembly groove is connected with first threaded rod, and both ends screw thread is opposite on the first threaded rod, the outer wall that the one end of assembly groove is close to the bottom plate is equipped with first motor, first motor rotates with first threaded rod to be connected, one side of bottom plate is equipped with the side shield, the side shield is equipped with the second motor on being close to the position of upper end, the rotation end of second motor pierces through the side shield and is equipped with first tight dish of clamp, it can press from both sides the tight and rotate the motor shaft to rotate through the rotation of second motor drives first tight dish of clamp cooperation centre gripping tooling assembly.

Preferably, the assembling block and the second threaded hole are in threaded connection with a second threaded rod assembled on the first clamping devices on two sides, the inserting block is inserted into the assembling groove and is in threaded connection with the first threaded rod, and the second clamping disc is aligned with the central point of the first clamping disc.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the motor shaft is placed between the second clamping disc and the first clamping disc, the second motors on the first clamping devices on two sides are started, the second threaded rods on the first clamping devices on two sides are rotated, the second threaded holes on two sides on the second clamping devices move towards one side of the first clamping disc, the motor shaft is clamped through the second clamping disc and the first clamping disc, the second motors are started to drive the motor shaft to rotate through the first clamping disc, at the moment, the first motors are started and drive the first threaded rods to rotate, so that the first clamping devices on two sides are clamped inwards, the crawler belts assembled on the first clamping devices on two sides are in contact with the outer wall of the motor shaft, and can rotate along with the motor shaft during rotation, so that the friction force can be reduced under the condition of supporting the motor shaft, the outer wall of the motor shaft can be protected, and the service life of the tool can be prolonged.

(2) When the diameter of the motor shaft is small, the tracks assembled on the first clamping devices on the two sides are likely to be in small contact with the surface of the motor shaft, so that the supporting force is reduced, the telescopic rod is extended at the moment, the rotating shaft slides in the sliding groove, and the rotating plates rotate along the rotating shaft, so that the angle between the rotating plates assembled on the first clamping devices on the two sides can be adjusted, the outer wall of the motor shaft can be attached to the maximum extent, and the maximum supporting force is achieved.

Drawings

FIG. 1 is a schematic structural diagram of a groove milling tool of an explosion-proof three-phase asynchronous motor shaft in the utility model;

FIG. 2 is a schematic view of a tooling base assembly according to the present invention;

FIG. 3 is a schematic view of a clamping tool assembly according to the present invention;

FIG. 4 is a schematic structural view of a first clamping device according to the present invention;

FIG. 5 is a schematic view of a back structure of the first clamping device of the present invention;

FIG. 6 is an enlarged view of the structure at A in the present invention;

FIG. 7 is a schematic view of a second clamping device according to the present invention.

The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:

1. a motor shaft milling groove tool;

2. a tooling base assembly; 21. a base plate; 22. a groove; 23. assembling a groove; 24. a first motor;

25. a first threaded rod; 26. a side dam; 27. a second motor; 28. a first clamping disk;

3. clamping a tool assembly; 31. a first holding device; 311. a vertical plate; 312. a rotating shaft;

313. a rotating plate; 314. a crawler belt; 315. a second motor; 316. mounting grooves;

317. a second threaded rod; 318. inserting a block; 319. a first threaded hole; 3110. a support plate;

3111. a telescopic rod; 3112. a slider; 3113. a chute; 32. a second holding device; 321. a sleeve;

322. assembling the block; 323. stretching the rod; 324. a second threaded hole; 325. a connecting plate;

326. a second clamping disk.

Detailed Description

The utility model is further described below in connection with specific embodiments.

Example 1

As shown in fig. 1, which is a schematic structural view of a flame-proof type three-phase asynchronous motor shaft groove milling tool according to a preferred embodiment of the present invention, the flame-proof type three-phase asynchronous motor shaft groove milling tool according to the present embodiment includes a motor shaft groove milling tool 1, the motor shaft groove milling tool 1 includes a tool base assembly 2 and a clamping tool assembly 3, and the clamping tool assembly 3 is slidably assembled on an upper end surface of the tool base assembly 2.

As shown in fig. 2, which is a schematic structural diagram of the tooling base assembly of the present invention, the tooling base assembly 2 includes a bottom plate 21, a groove 22 is disposed on an upper end surface of the bottom plate 21, an assembly groove 23 is disposed at a bottom of the groove 22, a first threaded rod 25 is rotatably connected inside the assembly groove 23, threads of two ends of the first threaded rod 25 are opposite, a first motor 24 is assembled on an outer wall of one end of the assembly groove 23 close to the bottom plate 21, the first motor 24 is rotatably connected to the first threaded rod 25, a side baffle 26 is assembled on one side of the bottom plate 21, a second motor 27 is assembled on a position of the side baffle 26 close to an upper end, and a rotating end of the second motor 27 penetrates through the side baffle 26 and is assembled with a first clamping disc 28; thereby drive assembly groove 23 through first motor 24 and rotate and can adjust centre gripping frock assembly 3.

As shown in fig. 3, which is a schematic structural view of the clamping tool assembly of the present invention, the clamping tool assembly 3 includes a first clamping device 31 and a second clamping device 32, the first clamping device 31 is symmetrically assembled at two ends of the second clamping device 32, and the second clamping device 32 can move between the first clamping devices 31 at two sides; the workpiece can be clamped by the first and

second clamping devices

31 and 32.

As shown in fig. 4-6, which are schematic structural views of the first clamping device of the present invention, the first clamping device 31 includes a vertical plate 311, a rotating shaft 312 is mounted on an upper end surface of the vertical plate 311, a rotating plate 313 is mounted on an outer wall of the rotating shaft 312 near the upper end, and a rotatable track 314 is mounted on the rotating plate 313 near the center; the crawler belt 314 can be rotated at the upper end of the riser 311 by the rotating shaft 312, and can be adjusted according to the diameter of the motor shaft.

The outer wall of the vertical plate 311 close to the front face is provided with a mounting groove 316, a second threaded rod 317 is rotatably assembled in the mounting groove 316, a second motor 315 is assembled on one side face close to the second threaded rod 317, the rotating end of the second motor 315 penetrates through the outer wall of the vertical plate 311 to be connected with the second threaded rod 317, the bottom of the vertical plate 311 is provided with an insert block 318, and the insert block 318 is provided with a first threaded hole 319; the second motor 315 rotates to drive the mounting groove 316 to rotate.

A supporting plate 3110 is assembled on the back surface of the vertical plate 311, symmetrical telescopic rods 3111 are assembled at two ends of the supporting plate 3110, a rotating shaft 312 is assembled at the upper end of the telescopic rod 3111, symmetrical sliding grooves 3113 are arranged on the positions, close to the telescopic rods 3111 at the two ends, of the back surface of the rotating plate 313, and the sliding block 3112 is inserted into the sliding grooves 3113 and can slide; by raising and lowering the telescopic shaft 3111, the slider 3112 can be slid inside the chute 3113, and the rotating plate 313 can be rotated along the rotating shaft 312, so that the clamp between the rotating plates 313 on both sides can be adjusted.

As shown in fig. 7, which is a schematic structural diagram of the second clamping device in the present invention, the second clamping device 32 includes a sleeve 321, a slidable extension rod 323 is assembled inside the sleeve 321, two ends of the sleeve 321 away from the extension rod 323 are assembled with symmetrical assembling blocks 322, the assembling blocks 322 are provided with second threaded holes 324, an upper end of the sleeve 321 is fixedly connected with a connecting plate 325, and a back surface of the connecting plate 325 is rotatably connected with a second clamping disc 326; the second threaded rod 317 fitted on the first clamping device 31 on both sides is threadedly connected through the fitting block 322 and the second threaded hole 324.

The fitting block 322 and the second screw hole 324 are screw-coupled with the second screw bar 317 fitted to the first clamping means 31 on both sides, the insert block 318 is inserted into the fitting groove 23 and screw-coupled with the first screw bar 25, and the second clamping plate 326 is aligned with the center point of the first clamping plate 28.

The working principle is as follows: the motor shaft is placed between the second clamping plate 326 and the first clamping plate 28, the second motor 315 on the first clamping device 31 on both sides is started, the second threaded rods 317 of the first clamping devices 31 on both sides are rotated, so that the second threaded holes 324 of the second clamping devices 32 on both sides are moved to one side of the first clamping disk 28, the motor shaft is clamped by the second clamping disc 326 and the first clamping disc 28, the second motor 27 is started to make the first clamping disc 28 rotate to drive the motor shaft to rotate, at this time, the first motor 24 is started to drive the first threaded rod 25 to rotate, thereby clamping the both side first clamping devices 31 inward, the caterpillars 314 fitted to the both side first clamping devices 31 contact the outer wall of the motor shaft, can rotate along with the motor shaft when rotating to can reduce frictional force under the condition of supporting the motor shaft, can protect the outer wall of motor shaft, also can promote the life of frock.

Example 2

As shown in fig. 1 to 7, which are schematic structural diagrams of a flame-proof type three-phase asynchronous motor shaft groove milling tool according to another preferred embodiment of the present invention, in the flame-proof type three-phase asynchronous motor shaft groove milling tool according to the embodiment 1, when a diameter of a motor shaft is small, the contact between the caterpillar bands 314 mounted on the first clamping devices 31 on the two sides and a surface of the motor shaft is possibly small, so that a supporting force is reduced, the telescopic rod 3111 is extended, the rotating shaft 312 slides in the sliding groove 3113, and the rotating plate 313 rotates along the rotating shaft 312, so that an angle between the rotating plates 313 mounted on the first clamping devices 31 on the two sides can be adjusted, and the outer wall of the motor shaft can be attached to the maximum, so as to achieve the maximum supporting force.

While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.

Claims

1. The flame-proof type three-phase asynchronous motor shaft groove milling tool comprises a motor shaft groove milling tool (1), wherein the motor shaft groove milling tool (1) comprises a tool base assembly (2) and a clamping tool assembly (3), the clamping tool assembly (3) is assembled on the upper end face of the tool base assembly (2) in a sliding manner,

the method is characterized in that:

the clamping tool assembly (3) comprises a first clamping device (31) and a second clamping device (32), the two ends of the second clamping device (32) are symmetrically provided with the first clamping device (31), and the second clamping device (32) can move between the first clamping devices (31) on the two sides.

2. The groove milling tool for the explosion-proof three-phase asynchronous motor shaft according to claim 1, is characterized in that: first clamping device (31) include riser (311), the up end of riser (311) be equipped with pivot (312), pivot (312) are equipped with rotating plate (313) on being close to the outer wall of upper end, rotating plate (313) are close to center department and are equipped with rotatable track (314).

3. The groove milling tool for the explosion-proof three-phase asynchronous motor shaft according to claim 2 is characterized in that: riser (311) be provided with mounting groove (316) on being close to the outer wall of front, the inside rotation of mounting groove (316) is equipped with second threaded rod (317), be close to and be equipped with second motor (315) on second threaded rod (317) a side, and the outer wall ice fire that the rotation end of second motor (315) pierces through riser (311) is connected with second threaded rod (317), the bottom of riser (311) is equipped with inserted block (318), be provided with first screw hole (319) on inserted block (318).

4. The groove milling tool for the explosion-proof three-phase asynchronous motor shaft according to claim 3, is characterized in that: the back of riser (311) be equipped with layer board (3110), the both ends of layer board (3110) are equipped with telescopic link (3111) of symmetry, the upper end of telescopic link (3111) is equipped with pivot (312), be provided with symmetrical spout (3113) on the back of rotor plate (313) is close to the position of both ends telescopic link (3111), slider (3112) insert the inside of spout (3113) and can slide.

5. The groove milling tool for the explosion-proof three-phase asynchronous motor shaft according to claim 4, is characterized in that: the second clamping device (32) comprises a sleeve (321), a slidable extension rod (323) is assembled inside the sleeve (321), symmetrical assembling blocks (322) are assembled at two ends, far away from the extension rod (323), of the sleeve (321), second threaded holes (324) are formed in the assembling blocks (322), a connecting plate (325) is fixedly connected to the upper end of the sleeve (321), and a second clamping disc (326) is rotatably connected to the back face of the connecting plate (325).

6. The groove milling tool for the explosion-proof three-phase asynchronous motor shaft according to claim 5, is characterized in that: tooling base assembly (2) include bottom plate (21), the up end of bottom plate (21) be provided with recess (22), the bottom of recess (22) is provided with assembly groove (23), the internal rotation of assembly groove (23) is connected with first threaded rod (25), and both ends screw thread is opposite on first threaded rod (25), the outer wall that the one end of assembly groove (23) is close to bottom plate (21) is equipped with first motor (24), first motor (24) rotate with first threaded rod (25) and are connected, one side of bottom plate (21) is equipped with side shield (26), side shield (26) are equipped with second motor (27) on being close to the position of upper end, the rotation end of second motor (27) pierces through side shield (26) and is equipped with first clamp dish (28).

7. The groove milling tool for the explosion-proof three-phase asynchronous motor shaft according to claim 6, is characterized in that: the assembling block (322) and the second threaded hole (324) are in threaded connection with the second threaded rod (317) assembled on the first clamping devices (31) on two sides, the inserting block (318) is inserted into the assembling groove (23) and is in threaded connection with the first threaded rod (25), and the second clamping disc (326) is aligned with the central point of the first clamping disc (28).