Generator spindle fine machining device

Abstract

The utility model relates to the technical field of generator main shaft machining, and discloses a generator main shaft fine machining device which comprises a working box, motor main shaft clamping assemblies are arranged on the two sides of the top end of the working box, and a main shaft body is installed on the upper portion of the working box in a clamping mode through the motor main shaft clamping assemblies. According to the fine machining device for the generator spindle, the first clamping jaw and the second clamping jaw with the opposite faces of the V-shaped structures can better clamp a spindle body, and a vortex air pump can convey polishing sand in a sand storage tank into the first connecting pipe on the side away from a control switch through a second connecting pipe; the polishing sand is conveyed into the through hole in the main shaft body through the fixed cover body on the front side of the working box, enters the fixed cover body on the rear side of the working box after polishing the through hole, and enters the sand storage tank through the first connecting pipe close to one side of the control switch, so that the through hole in the main shaft body can be polished, the automation degree is high, manual clamping is not needed, and the polishing efficiency is high. And the operation difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to generator main shaft processing technical field, concretely is a kind of generator main shaft fine processing device. BACKGROUND

[0002] Generator main shaft is the key component of generator, from structure, it is a long axle-like component, usually located in the central position of generator, it is connected with prime mover (such as steam turbine, water turbine etc.) at one end, is connected with the rotor of generator at the other end, and its material is generally high-strength alloy steel, this material can withstand huge torque and axial force, ensure that it is not easily deformed or damaged under the condition of high-speed rotation and high-load operation, in the machining process, its surface will be provided with through hole, these through holes have very important role, are specially used for the installation and fixation of subsequent accessories, such as the installation of various sensors, positioning device or some auxiliary supporting components, its surface will be provided with through hole, need to carry out fine processing and polishing.

[0003] Chinese invention patent announcement number: CN118769115A, discloses: a kind of generator main shaft fine processing device, the generator main shaft fine processing device, by the conveying mechanism continuous conveying polishing sand reciprocating flow in the formed closure, realizes the inner wall of through hole is polished, overcomes traditional manual to take polishing wheel machine or polishing sandpaper and is polished, efficiency is low, for some irregular through hole or the rectangular through hole of existence small corner, it is difficult to polish completely, the generator main shaft fine processing device although can be polished, but it needs to be installed in the outer side of generator main shaft by artificial fixed assembly during the use process, then fine processing can be carried out, degree of automation is lower, cannot batch generator main shaft fine processing, practicality is poor. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a kind of generator main shaft fine processing device, it can effectively solve the problems in the prior art.

[0005] The utility model discloses a technical scheme adopted by the utility model is: a generator main shaft fine processing device, including the work tank, the both sides of work tank top are provided with motor main shaft clamping subassembly, the upper portion of work tank is clamped and is installed with the main shaft axle body through motor main shaft clamping subassembly, the top of work tank is provided with displacement subassembly, the upper side of work tank is fixedly installed with fixed frame no. 2 through displacement subassembly, the inboard of fixed frame no. 2 is provided with first connecting pipe, the one end of first connecting pipe near main shaft axle body is provided with fixed cover body, be provided with connecting rod between fixed cover body and fixed frame no. 2, the inside of work tank is provided with sand storage tank and vortex air pump, be provided with second connecting pipe between sand storage tank and vortex air pump, the gas outlet of vortex air pump is provided with third connecting pipe, the front side of work tank is provided with control switch,

[0006] The motor main shaft clamping assembly includes a fixed frame one, the upper side of the fixed frame one is fixedly installed with a fixed seat, the upper side of the fixed seat is fixedly installed with a clamping cylinder, the movable end of the clamping cylinder is fixedly installed with a first clamping jaw and a second clamping jaw.

[0007] Preferably, the opposite surfaces of the first clamping jaw and the second clamping jaw are in a "V" shape structure, and the inner sides of the first clamping jaw and the second clamping jaw are provided with rubber soft pads.

[0008] Through the above technical scheme, in the process of clamping the main shaft axle body, the first clamping jaw and the second clamping jaw with the opposite surfaces in a "V" shape structure can better clamp the main shaft axle body, and the rubber soft pads provided on the inner sides can ensure that the main shaft axle body will not be damaged during clamping.

[0009] Preferably, the fixed frame no. 2, the fixed cover body, the connecting rod and the first connecting pipe are provided with the same two groups, the fixed cover body and the first connecting pipe are in communication with each other, the fixed cover body is made of rubber material, the first connecting pipe is a flexible hose, and the fixed frame no. 2, the fixed cover body, the connecting rod and the first connecting pipe are symmetrically distributed about the main shaft axle body.

[0010] Through the above technical scheme, the fixed cover body made of rubber material can better fit the main shaft axle body.

[0011] Preferably, the first connecting pipe on the side close to the control switch in the work tank is in communication with the sand storage tank, and the first connecting pipe on the side away from the control switch in the work tank is in communication with the third connecting pipe.

[0012] Through the technical scheme, when in use, the vortex air pump can convey the polishing sand in the sand storage tank to the first connecting pipe on the side far from the control switch in the working box through the second connecting pipe, then convey the polishing sand to the through hole in the spindle shaft through the fixed cover on the front side of the working box, after the polishing sand grinds the through hole, the polishing sand enters the fixed cover on the rear side of the working box, and then enters the sand storage tank through the first connecting pipe on the side close to the control switch in the working box.

[0013] Preferably, the fixed cover is in "C" shape structure on the side close to the spindle shaft.

[0014] Through the technical scheme, the fixed cover in "C" shape structure can better adhere to the spindle shaft.

[0015] Preferably, the displacement assembly is provided with two groups of the same displacement assemblies, and the two groups of displacement assemblies are symmetrically distributed about the horizontal line of the spindle shaft.

[0016] Through the technical scheme, the distance between the two fixed covers can be adjusted through the design of the displacement assembly, so that the fine machining of the spindle shaft with different diameters can be adapted.

[0017] Compared with the prior art, the generator spindle fine machining device has the following beneficial effects: the generator spindle fine machining device is provided with a motor spindle clamping assembly, a displacement assembly, a fixed frame two and a fixed cover, the first clamping jaw and the second clamping jaw in "V" shape structure on the opposite sides can better clamp the spindle shaft, meanwhile, the rubber cushion on the inner side can ensure that the spindle shaft will not be damaged during clamping, the vortex air pump can convey the polishing sand in the sand storage tank to the first connecting pipe on the side far from the control switch in the working box through the second connecting pipe, then convey the polishing sand to the through hole in the spindle shaft through the fixed cover on the front side of the working box, after the polishing sand grinds the through hole, the polishing sand enters the fixed cover on the rear side of the working box, and then enters the sand storage tank through the first connecting pipe on the side close to the control switch in the working box, so that the through hole on the spindle shaft can be ground, and the overall degree of automation is relatively high, manual clamping is not needed, and the operation difficulty is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a working box internal structure schematic view of the utility model;

[0020] Figure 3 It is a sand storage tank installation structure schematic of the utility model Figure 1

[0021] Figure 4 ​Schematic diagram of the installation structure of the sand storage tank of this utility model Figure 2 ;

[0022] Figure 5 This is a schematic diagram of the mounting structure of the fixed cover of this utility model;

[0023] Figure 6 This is a three-dimensional structural diagram of the motor spindle clamping assembly of this utility model.

[0024] The components include: 1. Working box; 2. Motor spindle clamping assembly; 201. Fixing frame one; 202. Fixing base; 203. Clamping cylinder; 204. First gripper; 205. Second gripper; 3. Spindle body; 4. Control switch; 5. Displacement assembly; 6. Fixing frame two; 7. Fixing cover; 8. Connecting rod; 9. First connecting pipe; 10. Sand storage tank; 11. Second connecting pipe; 12. Vortex air pump; 13. Third connecting pipe. Detailed Implementation

[0025] 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.

[0026] Example 1: As Figures 1-6 As shown, the present invention provides a precision machining device for generator spindles, including a work box 1. Motor spindle clamping assemblies 2 are arranged on both sides of the top of the work box 1. A spindle body 3 is clamped and installed on the upper part of the work box 1 via the motor spindle clamping assemblies 2. A displacement assembly 5 is arranged at the top of the work box 1. A second fixing frame 6 is fixedly installed on the upper side of the work box 1 via the displacement assembly 5. A first connecting pipe 9 is arranged inside the second fixing frame 6. A fixing cover 7 is arranged at one end of the first connecting pipe 9 near the spindle body 3. A connecting rod 8 is arranged between the fixing cover 7 and the second fixing frame 6. A sand storage tank 10 and a vortex air pump 12 are arranged inside the work box 1. A second connecting pipe 11 is arranged between the sand storage tank 10 and the vortex air pump 12. A third connecting pipe 13 is arranged at the outlet of the vortex air pump 12. A control switch 4 is arranged on the front side of the work box 1.

[0027] The motor spindle clamping assembly 2 includes a fixed frame 201, a fixed seat 202 is fixedly installed on the upper side of the fixed frame 201, a clamping cylinder 203 is fixedly installed on the upper side of the fixed seat 202, and a first gripper 204 and a second gripper 205 are fixedly installed on the movable end of the clamping cylinder 203.

[0028] Specifically, the opposite surfaces of the first and second clamping jaws 204 and 205 are in a "V" shape structure, and the inner sides of the first and second clamping jaws 204 and 205 are provided with rubber soft pads. Advantage is that in the process of clamping the spindle shaft body 3, the first and second clamping jaws 204 and 205 with the opposite surfaces in a "V" shape structure can better clamp the spindle shaft body 3, and the rubber soft pads provided on the inner sides can ensure that the spindle shaft body 3 will not be damaged during clamping.

[0029] Specifically, the fixed frame two 6, the fixed cover body 7, the connecting rod 8 and the first connecting pipe 9 are provided with the same two groups, the fixed cover body 7 and the first connecting pipe 9 are communicated with each other, the fixed cover body 7 is made of rubber material, the first connecting pipe 9 is a flexible hose, and the fixed frame two 6, the fixed cover body 7, the connecting rod 8 and the first connecting pipe 9 are symmetrically distributed about the spindle shaft body 3. Advantage is that the fixed cover body 7 made of rubber material can better adhere to the spindle shaft body 3.

[0030] Embodiment two: as shown in the figure, as an improvement to the previous embodiment. Figures 2-6

[0031] Specifically, the first connecting pipe 9 inside the working box 1 close to the control switch 4 side is communicated with the sand storage tank 10, and the first connecting pipe 9 inside the working box 1 away from the control switch 4 side is communicated with the third connecting pipe 13. Advantage is that in use, the vortex air pump 12 can transport the polishing sand inside the sand storage tank 10 to the first connecting pipe 9 inside the working box 1 away from the control switch 4 side through the second connecting pipe 11, and then to the through hole inside the spindle shaft body 3 through the fixed cover body 7 on the front side of the working box 1. After the polishing sand grinds the through hole, it enters the fixed cover body 7 on the rear side of the working box 1 and enters the sand storage tank 10 through the first connecting pipe 9 inside the working box 1 close to the control switch 4 side.

[0032] Specifically, the fixed cover body 7 is in contact with the spindle shaft body 3, and the side of the fixed cover body 7 close to the spindle shaft body 3 is in a "C" shape structure. Advantage is that the fixed cover body 7 in a "C" shape structure can better adhere to the spindle shaft body 3.

[0033] Specifically, the displacement assembly 5 is provided with the same two groups, and the two groups of displacement assemblies 5 are symmetrically distributed about the horizontal line of the spindle shaft body 3. Advantage is that through the design of the displacement assembly 5, the spacing between the two fixed cover bodies 7 can be adjusted, which can adapt to the fine processing of spindle shaft bodies 3 with different diameters.

[0034] ​Working principle: in use, the staff will main shaft body 3 is placed in two motor spindle clamping assembly 2, through the control switch 4 control clamping cylinder 203 open, the opposite side is "V" type structure of the first jaw 204 and the second jaw 205, can better to main shaft body 3 clamping, waiting for main shaft body 3 clamping is completed, displacement assembly 5 can power transmission to fixed frame two 6, through the design of displacement assembly 5, can carry out the adjustment of the interval between two fixed cover body 7, until the fixed cover body 7 and main shaft body 3 mutual resistance, vortex air pump 12 can be through the second connecting pipe 11 the polishing sand in the sand storage tank 10 inside is transported to the first connecting pipe 9 in the work tank 1 inside far from the control switch 4 side, then through the fixed cover body 7 of work tank 1 front side is transported to the through hole in the main shaft body 3 inside, polishing sand is polished to the through hole, enters the fixed cover body 7 in the work tank 1 rear side, and through the first connecting pipe 9 in the work tank 1 inside close to the control switch 4 side enters the sand storage tank 10, can realize the polishing of the through hole on main shaft body 3, the overall degree of automation is higher.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fine machining device for a generator main shaft, comprising a working tank (1), characterized in that: The both sides of the top end of the working box (1) are provided with motor main shaft clamping assemblies (2), the upper part of the working box (1) is clamped and installed with a main shaft shaft body (3) through the motor main shaft clamping assemblies (2), the top end of the working box (1) is provided with a displacement assembly (5), the upper side of the working box (1) is fixedly installed with a fixed frame two (6) through the displacement assembly (5), the inner side of the fixed frame two (6) is provided with a first connecting pipe (9), one end of the first connecting pipe (9) close to the main shaft shaft body (3) is provided with a fixed cover body (7), the fixed cover body (7) and the fixed frame two (6) are provided with a connecting rod (8) therebetween, the inside of the working box (1) is provided with a sand storage tank (10) and a vortex air pump (12), the sand storage tank (10) and the vortex air pump (12) are provided with a second connecting pipe (11) therebetween, the air outlet of the vortex air pump (12) is provided with a third connecting pipe (13), the front side of the working box (1) is provided with a control switch (4); The motor main shaft clamping assembly (2) comprises a fixed frame one (201), the upper side of the fixed frame one (201) is fixedly installed with a fixed seat (202), the upper side of the fixed seat (202) is fixedly installed with a clamping cylinder (203), the movable end of the clamping cylinder (203) is fixedly installed with a first clamping jaw (204) and a second clamping jaw (205).

2. The fine processing apparatus for a generator main shaft according to claim 1, characterized by: The opposite surfaces of the first clamping jaw (204) and the second clamping jaw (205) are in "V" shape structure, the inner sides of the first clamping jaw (204) and the second clamping jaw (205) are provided with rubber soft pads.

3. The fine processing apparatus for a generator main shaft according to claim 1, characterized by: The fixed frame two (6), the fixed cover body (7), the connecting rod (8) and the first connecting pipe (9) are provided with the same two groups, the fixed cover body (7) and the first connecting pipe (9) are communicated with each other, the fixed cover body (7) is made of rubber material, the first connecting pipe (9) is a flexible hose, the fixed frame two (6), the fixed cover body (7), the connecting rod (8) and the first connecting pipe (9) are symmetrically distributed about the main shaft shaft body (3).

4. The fine processing apparatus for a generator main shaft according to claim 1, characterized by: The first connecting pipe (9) on the side close to the control switch (4) in the inside of the working box (1) is communicated with the sand storage tank (10), the first connecting pipe (9) on the side away from the control switch (4) in the inside of the working box (1) is communicated with the third connecting pipe (13).

5. The fine processing apparatus for a generator main shaft according to claim 1, characterized by: The fixed cover body (7) and the main shaft shaft body (3) are in mutual resistance, the side close to the main shaft shaft body (3) of the fixed cover body (7) is in "C" shape structure.

6. The fine processing apparatus for a generator main shaft according to claim 1, characterized by: The displacement assembly (5) is provided with the same two groups, the two groups of displacement assemblies (5) are symmetrically distributed about the horizontal line of the main shaft shaft body (3).

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