CN211540825U

CN211540825U - Automatic capstan grinding device of polisher

Info

Publication number: CN211540825U
Application number: CN201921673391.8U
Authority: CN
Inventors: 张赵平
Original assignee: Dongguan Supai Grinding Technology Co ltd
Current assignee: Dongguan Supai Grinding Technology Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-09-22
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses an automatic capstan grinding device of polisher, including metal casing, one side on metal casing top is provided with the water filling port, the below of water filling port is provided with the gas port, the medial extremity fixed mounting of water filling port has the water injection needle, metal casing's internally mounted has pneumatic motor actuating mechanism, pneumatic motor actuating mechanism's below fixed mounting has the solid fixed ring of motor, the eccentric shaft is installed to pneumatic motor actuating mechanism's axle center position, the axle center of eccentric shaft is provided with the main through-hole, the drainage needle is installed to the bottom of main through-hole, through-hole staff core is installed to the bottom of eccentric shaft, through-hole staff core passes through the third bearing with the inner wall of eccentric shaft bottom and is connected. The utility model discloses erode the powder that produces polishing simultaneously when polishing the surface, effectively improve the effect of polishing, and the inside leakproofness of grinding device is strengthened and can effectively ensure mechanical life.

Description

Automatic capstan grinding device of polisher

Technical Field

The utility model relates to a capstan grinding device technical field of polisher specifically is an automatic capstan grinding device of polisher.

Background

With the rapid development of social and economic, the use of polishing devices is becoming more and more widespread, and polishing is one of surface modification technologies, generally refers to a processing method for changing the physical properties of the surface of a material by friction with the aid of a rough object (sand paper containing particles with higher hardness, etc.), and the main purpose is to obtain a specific surface roughness, and the application of pneumatic polishing devices is also becoming widespread.

However, the existing pneumatic grinding device is inconvenient because the powder generated when the surface of a workpiece is ground needs to be removed in subsequent steps; therefore, the existing requirements are not satisfied, and a rotary disc grinding device of an automatic grinding machine is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic capstan grinding device of polisher to solve the powder that current pneumatic grinding device who proposes in the above-mentioned background art produced when polishing workpiece surface and need subsequent work step clear away, make things convenient for the scheduling problem inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: a rotating disc polishing device of an automatic polishing machine comprises a metal shell, wherein a water filling port is formed in one side of the top end of the metal shell, a gas port is formed below the water filling port, a water filling needle is fixedly mounted at the inner side end of the water filling port, a pneumatic motor driving mechanism is mounted inside the metal shell, a motor fixing ring is fixedly mounted below the pneumatic motor driving mechanism, an eccentric shaft is mounted at the axis position of the pneumatic motor driving mechanism, and a main through hole is formed in the axis of the eccentric shaft;

the water draining needle is installed at the bottom end of the main through hole, a through hole small shaft core is installed at the bottom end of the eccentric shaft, the through hole small shaft core is connected with the inner wall of the bottom end of the eccentric shaft through a third bearing, a waterproof dustproof cover is installed on the bottom surface of the third bearing, a third waterproof skeleton oil seal is arranged at the joint of the inner wall of the waterproof dustproof cover and the outer surface of the through hole small shaft core, and a polishing disc is fixedly installed at the bottom end of the through hole small shaft core.

Preferably, the pneumatic motor driving mechanism comprises an upper cover, a first bearing is installed at the top end of the upper cover, a motor upper cover fixing nut is installed above the upper cover, a first waterproof framework oil seal is arranged at the joint of the inner wall of the motor upper cover fixing nut and the outer surface of the water injection needle, a lower cover is installed below the upper cover, a closed space formed between the upper cover and the lower cover is an air cavity, a pneumatic driving piece is installed inside the air cavity, a rotor is installed on the inner wall of the pneumatic driving piece and is connected with an eccentric shaft through an oval fixing pin, a second bearing is fixedly installed on the inner side of the bottom end of the lower cover, a waterproof sealing gasket B is installed on the bottom surface of the second bearing, and a fourth waterproof framework oil seal is arranged at the joint of the inner wall of the waterproof sealing gasket B and the outer surface of the eccentric.

Preferably, the bottom end of the water injection needle penetrates through the first waterproof framework oil seal and the motor upper cover fixing nut and extends to the inner side of the top end of the main through hole.

Preferably, a waterproof sealing gasket A is fixedly installed on the outer side of the joint of the water injection needle and the water injection port, and the inner side end of the air port is communicated with the air cavity.

Preferably, the polishing disc is connected with the inner wall of the through hole small shaft core through an external thread pipe, and the bottom end of the drainage needle extends to the inner side of the external thread pipe.

Preferably, a second waterproof framework oil seal is arranged at the joint of the inner wall of the top end of the through hole small shaft core and the outer surface of the drainage needle.

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

1. the utility model injects water to the main through hole inside the eccentric shaft along the water injection needle through the water injection port, and then brings water out to the center hole of the polishing disc through the water discharge needle, so that the polishing disc is contacted with the surface of a workpiece while polishing at one side, and flushing fluid is simultaneously sprayed out from the axis of the polishing disc to remove the polished powder, so that the polished surface is clean;

2. the utility model discloses a waterproof gasket A, second waterproof skeleton oil blanket, third waterproof skeleton oil blanket and fourth waterproof skeleton oil blanket effectively improve the inside leakproofness of device, avoid leaking and influence the device life-span, rotate through the eccentric of eccentric shaft and improve the effect of polishing.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a metal housing; 2. a water injection port; 3. a gas port; 4. grinding disc; 5. a water injection needle; 6. a waterproof gasket A; 7. a first waterproof framework oil seal; 8. the motor upper cover is fixed with a nut; 9. a pneumatic motor drive mechanism; 10. a motor fixing ring; 11. a drainage needle; 12. a second waterproof framework oil seal; 13. a third bearing; 14. a waterproof and dustproof cover; 15. a through hole small shaft core; 16. a third water skeleton oil seal; 17. an upper cover; 18. A rotor; 19. an air cavity; 20. a pneumatic drive; 21. a first bearing; 22. an eccentric shaft; 23. a main through hole; 24. an elliptical fixing pin; 25. a second bearing; 26. a waterproof gasket B; 27. a fourth waterproof framework oil seal; 28. and (7) a lower cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a rotating disc polishing device of an automatic polishing machine comprises a metal shell 1, wherein a water filling port 2 is arranged on one side of the top end of the metal shell 1, a gas port 3 is arranged below the water filling port 2, a water filling needle 5 is fixedly installed on the inner side end of the water filling port 2, a pneumatic motor driving mechanism 9 is installed inside the metal shell 1, a motor fixing ring 10 is fixedly installed below the pneumatic motor driving mechanism 9, an eccentric shaft 22 is installed at the axis position of the pneumatic motor driving mechanism 9, and a main through hole 23 is formed in the axis of the eccentric shaft 22;

the drainage needle 11 is installed to the bottom of main through-hole 23, through-hole staff core 15 is installed to the bottom of eccentric shaft 22, through-hole staff core 15 passes through third bearing 13 with the inner wall of eccentric shaft 22 bottom and is connected, waterproof shield 14 is installed to the bottom surface of third bearing 13, the inner wall of waterproof shield 14 is equipped with third water skeleton oil blanket 16 with the outer surface junction of through-hole staff core 15, the bottom fixed mounting of through-hole staff core 15 has the mill 4.

Further, the pneumatic motor driving mechanism 9 comprises an upper cover 17, a first bearing 21 is installed at the top end of the upper cover 17, a motor upper cover fixing nut 8 is installed above the upper cover 17, a first waterproof framework oil seal 7 is arranged at the joint of the inner wall of the motor upper cover fixing nut 8 and the outer surface of the water injection needle 5, a lower cover 28 is installed below the upper cover 17, a closed space formed between the upper cover 17 and the lower cover 28 is an air cavity 19, a pneumatic driving piece 20 is installed inside the air cavity 19, a rotor 18 is installed on the inner wall of the pneumatic driving piece 20, the rotor 18 is connected with the eccentric shaft 22 through an oval fixing pin 24, a second bearing 25 is fixedly installed on the inner side of the bottom end of the lower cover 28, a waterproof sealing pad B26 is installed on the bottom surface of the second bearing 25, and a fourth waterproof framework oil seal 27 is arranged at the joint of the inner wall of.

Further, the bottom end of the water injection needle 5 penetrates through the first waterproof framework oil seal 7 and the motor upper cover fixing nut 8 to extend to the inner side of the top end of the main through hole 23, and the first waterproof framework oil seal 7 effectively improves the sealing performance.

Furthermore, a waterproof sealing gasket A6 is fixedly installed on the outer side of the joint of the water injection needle 5 and the water injection port 2, the inner side end of the air port 3 is communicated with the air cavity 19, and the waterproof sealing gasket A6 improves the sealing property to avoid water inflow in the device.

Further, the polishing disc 4 is connected with the inner wall of the through hole small shaft core 15 through an external thread pipe, and the bottom end of the drainage needle 11 extends to the inner side of the external thread pipe, so that water can be sprayed out along the shaft center of the polishing disc 4.

Further, the junction of the inner wall at the top end of the through hole small shaft core 15 and the outer surface of the drainage needle 11 is provided with a second waterproof framework oil seal 12, and the second waterproof framework oil seal 12 further enhances the sealing performance inside the device.

The working principle is as follows: when the polishing device is used, a power supply is switched on, the water inlet pipeline and the air pump are switched on, the bottom surface of the polishing disc 4 is contacted with the surface of a workpiece to be polished, the water inlet pipeline and the air pump are opened, the rotor 18 operates after air enters the pneumatic motor driving mechanism 9, the rotor 18 rotates to drive the eccentric shaft 22 to rotate, water is injected into the main through hole 23 in the eccentric shaft 22 along the water injection needle 5 through the water injection port 2, then the water is discharged to the central hole of the polishing disc 4 through the water discharge needle 11, the polishing disc 4 is contacted with the surface of the workpiece while polishing on one side, flushing fluid is simultaneously sprayed out of the axis of the polishing disc 4 to remove the polished powder, the polished surface is clean, the sealing performance in the device is effectively improved through the waterproof sealing gasket A6, the second waterproof framework oil seal 12, the third waterproof framework oil seal 16 and the fourth waterproof framework oil seal 27, the service life of the device is prevented from being influenced, the surface of the polished workpiece is clean.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic capstan grinding device of polisher, includes metal casing (1), its characterized in that: a water injection port (2) is formed in one side of the top end of the metal shell (1), a gas port (3) is formed below the water injection port (2), a water injection needle (5) is fixedly mounted at the inner side end of the water injection port (2), a pneumatic motor driving mechanism (9) is mounted inside the metal shell (1), a motor fixing ring (10) is fixedly mounted below the pneumatic motor driving mechanism (9), an eccentric shaft (22) is mounted at the axis position of the pneumatic motor driving mechanism (9), and a main through hole (23) is formed in the axis of the eccentric shaft (22);

drainage needle (11) are installed to the bottom of main through-hole (23), through-hole staff axle core (15) are installed to the bottom of eccentric shaft (22), through-hole staff axle core (15) are connected through third bearing (13) with the inner wall of eccentric shaft (22) bottom, waterproof shield (14) are installed to the bottom surface of third bearing (13), the outer surface connection department of the inner wall of waterproof shield (14) and through-hole staff axle core (15) is equipped with third water skeleton oil blanket (16), the bottom fixed mounting of through-hole staff axle core (15) has the mill (4).

2. The disc grinding apparatus of an automatic grinding machine according to claim 1, characterized in that: the pneumatic motor driving mechanism (9) comprises an upper cover (17), a first bearing (21) is installed at the top end of the upper cover (17), a motor upper cover fixing nut (8) is installed above the upper cover (17), a first waterproof framework oil seal (7) is arranged at the joint of the inner wall of the motor upper cover fixing nut (8) and the outer surface of a water injection needle (5), a lower cover (28) is installed below the upper cover (17), a closed space formed between the upper cover (17) and the lower cover (28) is an air cavity (19), a pneumatic driving part (20) is installed inside the air cavity (19), a rotor (18) is installed on the inner wall of the pneumatic driving part (20), the rotor (18) is connected with an eccentric shaft (22) through an oval fixing pin (24), a second bearing (25) is fixedly installed on the inner side of the bottom end of the lower cover (28), a waterproof sealing gasket B (26) is installed on the bottom surface of the second bearing (25), and a fourth waterproof framework oil seal (27) is arranged at the joint of the inner wall of the waterproof sealing gasket B (26) and the outer surface of the eccentric shaft (22).

3. The disc grinding apparatus of an automatic grinding machine according to claim 2, characterized in that: the bottom of water injection needle (5) runs through first waterproof skeleton oil blanket (7) and motor upper cover fixation nut (8) and extends to the inboard on main through-hole (23) top.

4. The disc grinding apparatus of an automatic grinding machine according to claim 2, characterized in that: a waterproof sealing gasket A (6) is fixedly installed on the outer side of the joint of the water injection needle (5) and the water injection port (2), and the inner side end of the air port (3) is communicated with the air cavity (19).

5. The disc grinding apparatus of an automatic grinding machine according to claim 1, characterized in that: the polishing disc (4) is connected with the inner wall of the through hole small shaft core (15) through an external thread pipe, and the bottom end of the drainage needle (11) extends to the inner side of the external thread pipe.

6. The disc grinding apparatus of an automatic grinding machine according to claim 1, characterized in that: and a second waterproof framework oil seal (12) is arranged at the joint of the inner wall at the top end of the through hole small shaft core (15) and the outer surface of the drainage needle (11).