Vacuum pump rotor polishing device

Abstract

The utility model relates to a vacuum pump rotor polishing device, and aims to solve the problems that according to existing rotor polishing devices, a rotor is mostly fixed through clamps, the rotor cannot rotate after being fixed, the rotor needs to be repeatedly disassembled and assembled during polishing, the polishing efficiency of the rotor is greatly reduced, and the polishing cost is reduced. The burr grinding device comprises a bearing mechanism and a four-axis grinding mechanism installed on one side of the bearing mechanism, the bearing mechanism comprises two side plates and two end plates arranged on the two sides of the opposite faces of the two side plates, and U-shaped grooves are formed in the centers of the tops of the opposite faces of the two side plates; rotatable clamping and fixing are adopted, rotation adjustment of a rotor is achieved, the step of repeated disassembly and assembly is omitted, the grinding efficiency of burrs on the surface of the rotor is improved, and fine adjustment can be conveniently conducted according to the grinding condition when the burrs are ground.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum pump processing, in particular to a vacuum pump rotor grinding device. Background Art

[0002] During the production process of vacuum pump rotors, the surface is generally uneven and has many burrs. The burrs on the rotor surface need to be polished and removed before the next step of processing can be carried out, which is beneficial to improve the sealing of the vacuum pump. At present, the polishing of vacuum pump rotors is mainly done by manpower, that is, workers hold polishing tools to polish the rotor surface, but this method has low production efficiency and affects the quality of the product. Therefore, rotor polishing devices are often used.

[0003] However, when grinding the rotor of a vacuum pump, the rotor grinding device in the prior art mostly uses a clamp to fix the rotor. After fixation, the rotor cannot rotate. When grinding the rotor by the rotor grinding device, the rotor needs to be repeatedly disassembled and assembled, resulting in a significant reduction in the grinding efficiency of the rotor. It is also inconvenient to perform fine-tuning according to the grinding conditions when grinding burrs. In view of this, we propose a vacuum pump rotor grinding device. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a vacuum pump rotor grinding device to solve the current rotor grinding device, which mostly uses a clamp to fix the rotor. After fixation, the rotor cannot rotate, resulting in the need to repeatedly disassemble and assemble the rotor during grinding, which greatly reduces the grinding efficiency of the rotor and is inconvenient to perform fine-tuning according to the grinding situation when grinding burrs. Technical problems.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a vacuum pump rotor grinding device, including a receiving mechanism and a four-axis grinding mechanism installed on one side of the receiving mechanism;

[0006] The mounting mechanism comprises two side panels and two end panels arranged on both sides of the facing surfaces of the two side panels, the facing surfaces of the two side panels are centrally provided with a U-shaped groove at the top, and the back surfaces of the two side panels are centrally provided with a mounting groove connected to the corresponding U-shaped groove at the top;

[0007] A clamping mechanism rotatably arranged in the U-shaped groove for clamping the rotor is installed in the installation groove, and a hand-driven mechanism for driving the rotor to rotate is installed on a side of the clamping mechanism away from the side plate;

[0008] The clamping mechanism comprises a supporting seat detachably mounted in the mounting groove, a through hole is provided at the center of one side of the supporting seat, and a shaft is rotatably mounted in the through hole, and a clamping seat rotatably mounted in the U-shaped groove is fixedly mounted at one end of the shaft away from the hand-driven mechanism;

[0009] The hand-driven mechanism includes two extension ears symmetrically constructed at the bottom of one side of the supporting seat and a transmission shaft rotatably arranged in the two extension ears, a hand wheel is fixedly installed at one end of the transmission shaft, and a transmission mechanism arranged at one end of the shaft rod is installed on the outer edge surface of the transmission shaft.

[0010] Preferably, the four-axis grinding mechanism includes a lifting module, a fixed seat is provided on the lifting module, and a translation module is fixedly installed on one side of the fixed seat, a feeding module is provided on the translation module, and a support plate is fixedly installed on one end of the feeding module.

[0011] Preferably, a support is provided on the feeding module, and a driving shaft is rotatably installed between the support and the support plate, a support frame is fixedly provided on the side of the support plate away from the feeding module, and a servo motor is fixedly installed on one side of the support frame.

[0012] Preferably, the servo motor and the drive shaft are driven by a belt, and a grinding wheel for grinding the rotor is installed at one end of the drive shaft away from the servo motor, and the grinding wheel is arranged above one side of the receiving mechanism.

[0013] Preferably, a dust hood which is detachably mounted on one end of the support and covers the grinding wheel, and a circular hole for connecting an exhaust pipe is centrally provided on the outer edge surface of the dust hood.

[0014] Preferably, the transmission mechanism comprises a worm wheel and a worm, the worm is fixedly mounted on one side of the outer edge surface of the transmission shaft, and the worm wheel is fixedly mounted on an end of the shaft away from the clamping seat, and the worm is meshed with the worm wheel.

[0015] Preferably, the clamping seat includes an end seat fixed to one end of the shaft rod, a U-shaped clamp seat is constructed at the bottom end of one side of the end seat, and a U-shaped clamp cavity for clamping the rotor is opened on one side of the U-shaped clamp seat, and a deformation groove is opened on one side of the U-shaped clamp seat.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model realizes the clamping and grinding of the rotor respectively through the supporting mechanism and the four-axis grinding mechanism. During clamping, the two ends of the rotor are clamped and fixed respectively through two clamping seats, and the transmission shaft equipped with a hand wheel is rotated, so that the shaft rod is driven to rotate synchronously through the transmission mechanism, and then the two clamping seats installed at one end of the shaft rod are driven to rotate, so as to realize the self-rotation adjustment of the rotor, so that the rotor can be fine-tuned when the four-axis grinding mechanism is grinding, which saves the steps of repeated disassembly and assembly, improves the grinding efficiency of the burrs on the rotor surface, and is convenient for fine-tuning according to the grinding situation when grinding the burrs.

[0018] 2. The utility model clamps one end of the rotor through the clamping seat. When clamping, one end of the rotor is pressed into the U-shaped clamping cavity on the U-shaped clamping seat, so that the U-shaped clamping seat is deformed into the deformation groove, and the U-shaped clamping cavity holds one end of the rotor, so that the one end of the rotor is clamped by the reset U-shaped clamping seat. When taking out, the rotor can be lifted up. The disassembly and assembly are simple and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the loading mechanism in the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the four-axis grinding mechanism in the utility model in a cross-sectional state;

[0022] Figure 4 It is a partial structural sectional view of the loading mechanism in the utility model;

[0023] Figure 5 It is a schematic diagram of the assembly of the side plate and the clamping mechanism in the utility model in a disassembled state;

[0024] Figure 6 It is a structural schematic diagram of the clamping mechanism and the hand-driven mechanism in the utility model in a coordinated state;

[0025] Figure 7 It is a structural schematic diagram of the central shaft rod, worm gear and clamping seat of the utility model in an assembled state.

[0026] In the figure: 1. Carrying mechanism; 101. Side plate; 102. End plate; 103. U-shaped groove; 104. Mounting groove; 2. Four-axis grinding mechanism; 201. Lifting module; 202. Fixed seat; 203. Translation module; 204. Feeding module; 205. Support plate; 206. Support seat; 207. Drive shaft; 208. Support frame; 209. Servo motor; 210. Grinding wheel; 211. Dust hood; 3. Clamping mechanism; 301. Support seat; 302. Shaft; 4. Hand-driven mechanism; 401. Extension ear; 402. Worm gear; 403. Drive shaft; 404. Handwheel; 405. Worm; 5. Clamping seat; 501. End seat; 502. U-shaped clamping seat; 503. U-shaped clamping cavity; 504. Deformation groove. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0028] Embodiment 1: A vacuum pump rotor grinding device, see Figure 1 , including a receiving mechanism 1 and a four-axis grinding mechanism 2 installed on one side of the receiving mechanism 1;

[0029] Further, in order to save the steps of repeated disassembly and assembly and improve the grinding efficiency of the rotor surface burrs, see Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6The supporting mechanism 1 includes two side plates 101 and two end plates 102 arranged on both sides of the facing surfaces of the two side plates 101. A U-shaped groove 103 is centrally opened on the top of the facing surfaces of the two side plates 101, and a mounting groove 104 connected to the corresponding U-shaped groove 103 is centrally opened on the top of the facing back surfaces of the two side plates 101. A clamping mechanism 3 rotatably arranged in the U-shaped groove 103 for clamping the rotor is installed in the mounting groove 104. A hand-driven mechanism 4 for driving the rotor to rotate is installed on the side of the clamping mechanism 3 away from the side plate 101. The clamping mechanism 3 includes a support seat 301 detachably installed in the installation groove 104. A through hole is opened at the center of one side of the support seat 301, and a shaft 302 is rotatably installed in the through hole. A clamping seat 5 rotatably arranged in the U-shaped groove 103 is fixedly installed on one end of the shaft 302 away from the hand-driven mechanism 4. 4 comprises two extension ears 401 symmetrically constructed at the bottom of one side of the supporting seat 301 and a transmission shaft 403 rotatably arranged in the two extension ears 401, one end of the transmission shaft 403 is fixedly installed with a hand wheel 404, and the outer edge surface of the transmission shaft 403 is installed with a transmission mechanism arranged at one end of the shaft rod 302, and the rotor is clamped and polished respectively through the supporting mechanism 1 and the four-axis grinding mechanism 2. During clamping, the two ends of the rotor are clamped and fixed respectively through the two clamping seats 5, and the transmission shaft 403 installed with the hand wheel 404 is rotated, so that the shaft rod 302 is driven to rotate synchronously through the transmission mechanism, and then the two clamping seats 5 installed at one end of the shaft rod 302 are driven to rotate, so as to adjust the self-rotation of the rotor, so that the four-axis grinding mechanism 2 can perform fine adjustment when grinding the rotor, saving the steps of repeated disassembly and assembly, improving the grinding efficiency of the burrs on the rotor surface, and facilitating fine adjustment according to the grinding conditions during burr grinding.

[0030] Furthermore, in order to cooperate with the manual drive rotor rotation to realize the fully automatic grinding of the rotor, see Figure 1 , Figure 3The four-axis grinding mechanism 2 includes a lifting module 201, a fixed seat 202 is provided on the lifting module 201, and a translation module 203 is fixedly installed on one side of the fixed seat 202, a feeding module 204 is provided on the translation module 203, and a support plate 205 is fixedly installed on one end of the feeding module 204, a support 206 is provided on the feeding module 204, and a driving shaft 207 is rotatably installed between the support 206 and the supporting plate 205, a supporting frame 208 is fixedly provided on the side of the supporting plate 205 away from the feeding module 204, a servo motor 209 is fixedly installed on one side of the supporting frame 208, the servo motor 209 and the driving shaft 207 are driven by a belt, and a grinding wheel for grinding the rotor is installed on the end of the driving shaft 207 away from the servo motor 209 210, the grinding wheel 210 is arranged above one side of the supporting mechanism 1, and one end of the support 206 is detachably installed with a dust cover 211 covered on the grinding wheel 210, and a circular hole for connecting the exhaust pipe is centrally opened on the outer edge surface of the dust cover 211, and the driving shaft 207 is driven to rotate by the servo motor 209, so that the grinding wheel 210 is driven by the driving shaft 207 to grind the rotor surface. During grinding, the grinding depth, grinding position and feeding distance of the grinding wheel 210 are adjusted by the lifting module 201, the translation module 203 and the feeding module 204, and the burr grinding is completed in conjunction with the rotor driven by manpower to rotate, which greatly improves the grinding efficiency, and the debris generated during grinding can be collected by combining the dust cover 211 with the exhaust pipe with an external vacuum cleaner, thereby ensuring the sanitary conditions at the work site.

[0031] Furthermore, in order to facilitate the clamping and fixing of the rotor, see Figure 6 , Figure 7 The transmission mechanism includes a worm wheel 402 and a worm 405. The worm 405 is fixedly mounted on one side of the outer edge of the transmission shaft 403, and the worm wheel 402 is fixedly mounted on the end of the shaft 302 away from the clamping seat 5. The worm 405 meshes with the worm wheel 402. The clamping seat 5 includes an end seat 501 fixed to one end of the shaft 302. The bottom end of one side of the end seat 501 is configured with a U-shaped clamp seat 502, and one side of the U-shaped clamp seat 502 is provided with a rotor. The U-shaped clamping cavity 503 for clamping, a deformation groove 504 is opened on one side of the U-shaped clamping seat 502, and one end of the rotor is clamped by the clamping seat 5. When clamping, one end of the rotor is pressed into the U-shaped clamping cavity 503 on the U-shaped clamping seat 502, so that the U-shaped clamping seat 502 is deformed into the deformation groove 504, and one end of the rotor is received by the U-shaped clamping cavity 503, so that one end of the rotor is clamped by the reset U-shaped clamping seat 502, and the rotor can be lifted up when taking it out. The assembly and disassembly is simple and the practicability is strong.

[0032] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A vacuum pump rotor grinding device, characterized in that: It comprises a receiving mechanism (1) and a four-axis grinding mechanism (2) installed on one side of the receiving mechanism (1); The receiving mechanism (1) comprises two side plates (101) and two end plates (102) arranged on both sides of the facing surfaces of the two side plates (101); a U-shaped groove (103) is centrally provided at the top of the facing surfaces of the two side plates (101); and a mounting groove (104) connected to the corresponding U-shaped groove (103) is centrally provided at the top of the facing back surfaces of the two side plates (101); A clamping mechanism (3) rotatably arranged in the U-shaped groove (103) for clamping the rotor is installed in the installation groove (104), and a hand-driven mechanism (4) for driving the rotor to rotate is installed on a side of the clamping mechanism (3) away from the side plate (101); The clamping mechanism (3) comprises a supporting seat (301) detachably mounted in the mounting groove (104), a through hole is provided at the center of one side of the supporting seat (301), and a shaft (302) is rotatably mounted in the through hole, and a clamping seat (5) rotatably mounted in the U-shaped groove (103) is fixedly mounted at one end of the shaft (302) away from the hand-driven mechanism (4); The hand-driven mechanism (4) comprises two extension ears (401) symmetrically constructed at the bottom of one side of the supporting seat (301) and a transmission shaft (403) rotatably arranged in the two extension ears (401), a hand wheel (404) being fixedly mounted on one end of the transmission shaft (403), and a transmission mechanism arranged at one end of the shaft rod (302) being mounted on the outer edge surface of the transmission shaft (403).

2. The vacuum pump rotor grinding device according to claim 1, characterized in that: The four-axis grinding mechanism (2) comprises a lifting module (201), a fixed seat (202) is provided on the lifting module (201), a translation module (203) is fixedly mounted on one side of the fixed seat (202), a feeding module (204) is provided on the translation module (203), and a support plate (205) is fixedly mounted on one end of the feeding module (204).

3. The vacuum pump rotor grinding device according to claim 2, characterized in that: A support (206) is provided on the feeding module (204), and a driving shaft (207) is rotatably installed between the support (206) and the support plate (205), a support frame (208) is fixedly provided on the side of the support plate (205) away from the feeding module (204), and a servo motor (209) is fixedly installed on one side of the support frame (208).

4. The vacuum pump rotor grinding device according to claim 3, characterized in that: The servo motor (209) and the drive shaft (207) are driven by a belt, and a grinding wheel (210) for grinding the rotor is installed at one end of the drive shaft (207) away from the servo motor (209), and the grinding wheel (210) is arranged above one side of the receiving mechanism (1).

5. The vacuum pump rotor grinding device according to claim 4, characterized in that: A dust cover (211) which is mounted on the grinding wheel (210) is detachably mounted on one end of the support (206), and a circular hole for connecting an exhaust pipe is centrally provided on the outer edge surface of the dust cover (211).

6. The vacuum pump rotor grinding device according to claim 1, characterized in that: The transmission mechanism comprises a worm wheel (402) and a worm (405), wherein the worm (405) is fixedly mounted on one side of the outer edge surface of the transmission shaft (403), and the worm wheel (402) is fixedly mounted on an end of the shaft (302) away from the clamping seat (5), and the worm (405) is meshed with the worm wheel (402).

7. The vacuum pump rotor grinding device according to claim 1, characterized in that: The clamping seat (5) comprises an end seat (501) fixed to one end of the shaft (302), a U-shaped clamping seat (502) is constructed at the bottom end of one side of the end seat (501), and a U-shaped clamping cavity (503) for clamping the rotor is opened on one side of the U-shaped clamping seat (502), and a deformation groove (504) is opened on one side of the U-shaped clamping seat (502).

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