CN212044059U

CN212044059U - Grinding device for tooth holder of bucket tooth of excavator

Info

Publication number: CN212044059U
Application number: CN201922436246.4U
Authority: CN
Inventors: 孟海斌
Original assignee: Suqian Baoli Precision Machinery Manufacturing Co ltd
Current assignee: Suqian Baoli Precision Machinery Manufacturing Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-12-01
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a grinding device of excavator bucket tooth toothholder, including protective housing, grinding machanism, dust absorption mechanism and shell, one side fixedly connected with battery of shell, the bottom fixedly connected with handle of shell, the inside fixedly connected with grinding machanism of shell, and the top swing joint of grinding machanism one side has the protective housing. The utility model discloses a be provided with in the bottom of protective housing and be provided with the connecting axle, one side of connecting axle is provided with the turning block, connecting axle and protective housing constitute threaded connection, threaded connection dismouting of being convenient for, the connecting axle passes the emery wheel and fixes the emery wheel on the protective housing, twist and move the turning block and just can twist off the connecting axle, just so can pull down the connecting axle, just can take off the emery wheel that needs to be changed, put into the protective housing with new emery wheel again, it just can accomplish once to change to screw up the connecting axle again, reach the device purpose of being convenient for change the emery wheel with this.

Description

Grinding device for tooth holder of bucket tooth of excavator

Technical Field

The utility model relates to an excavator technical field specifically is a grinding device of excavator bucket tooth toothholder.

Background

The bucket tooth holder is an important part in the excavator, is an important component for connecting the bucket tooth and the bucket, is arranged on a bottom plate of the bucket of the excavator, can reduce the damage to the bottom plate due to the use of the bucket tooth holder, enables most of abrasion in the excavating process to be concentrated on the bucket tooth, reduces the loss cost of the excavator, and needs to be polished, so that the polishing device for the bucket tooth holder of the excavator is needed.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional grinding device for the tooth holder of the bucket tooth of the excavator is difficult to replace, and a grinding wheel is easy to damage and needs to be replaced frequently;

(2) the traditional grinding device for the bucket tooth holder of the excavator is difficult to absorb dust, and a large amount of dust is generated after grinding, so that the health of people is influenced;

(3) the traditional grinding device for the bucket tooth holder of the excavator is difficult to adjust the position of a grinding wheel and cannot adjust the grinding wheel to grind different positions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grinding device of excavator bucket tooth toothholder to it is difficult to change, is difficult to the dust absorption and is difficult to the problem of the position of adjustment emery wheel to propose grinding device in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a grinding device of excavator bucket tooth toothholder, includes protective housing, grinding machanism, dust absorption mechanism and shell, one side fixedly connected with battery of shell, the bottom fixedly connected with handle of shell, the inside fixedly connected with grinding machanism of shell, and the top swing joint of grinding machanism one side has the protective housing, one side swing joint of protective housing has the turning block, and one side fixedly connected with connecting axle of turning block, grinding machanism's top swing joint has the fixed screw, the bottom fixedly connected with dust absorption mechanism of shell.

Preferably, the outer side wall of the rotating block is evenly provided with external threads, the inner side wall of the protective shell is evenly provided with internal threads matched with the external threads, and the rotating block is in threaded connection with the protective shell.

Preferably, the grinding wheel, the first rotating shaft, the servo motor and the second rotating shaft are sequentially arranged in the grinding mechanism, the first rotating shaft is fixedly connected to one side of the servo motor, the second rotating shaft is movably connected to one side of the first rotating shaft, and the grinding wheel is movably connected to one side of the second rotating shaft.

Preferably, the top and the bottom of first pivot all are provided with the pulley, and the top and the bottom of second pivot all are provided with the spout, and first pivot and second pivot constitute sliding structure.

Preferably, the dust collection mechanism is internally provided with a dust collection port, a filter screen, a negative pressure fan and an air box, one side of the air box is fixedly connected with the negative pressure fan, one side of the negative pressure fan is provided with the filter screen, and one side of the air box is fixedly connected with the dust collection port.

Preferably, the top and the bottom of filter screen all are provided with the fixture block, and the top and the bottom of bellows are provided with the draw-in groove, and filter screen and bellows constitute the block structure.

Compared with the prior art, the beneficial effects of the utility model are that: the grinding device of the bucket tooth holder of the excavator not only realizes that the grinding device is convenient to replace and can absorb dust, but also realizes that the grinding device can adjust the position of a grinding wheel;

(1) the connecting shaft is arranged at the bottom end of the protective shell, the rotating block is arranged on one side of the connecting shaft, the connecting shaft and the protective shell form threaded connection, the threaded connection is convenient to disassemble and assemble, the connecting shaft penetrates through the grinding wheel to fix the grinding wheel on the protective shell, the rotating block is screwed to unscrew the connecting shaft, so that the connecting shaft can be disassembled, the grinding wheel to be replaced can be taken down, a new grinding wheel is put into the protective shell, and the connecting shaft is screwed down to finish one-time replacement, so that the purpose that the grinding wheel is convenient to replace by the device is achieved;

(2) the bottom end of the shell is fixedly connected with the air box, when the device starts to polish, the negative pressure fan on one side of the air box also starts to work, dust polished during polishing is sucked into the air box through the dust suction port, dust generated during polishing is reduced, and meanwhile, the filter screen is arranged inside the air box to prevent the dust from entering the negative pressure fan, so that the purpose that the device can suck dust is achieved;

(3) through the swing joint in one side of first pivot there is the second pivot, and the second pivot can slide in first pivot, has so both can change the whole length of pivot, just so can change the position of the emery wheel of second pivot one side, just so can let the emery wheel polish some positions that usually are difficult to polish, improve the suitability of device to this reaches the purpose that the device can adjust the emery wheel position.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of a front view partial section of the polishing mechanism of the present invention;

fig. 4 is an enlarged partial cross-sectional view of the point a in fig. 1 according to the present invention.

Fig. 1, protective case; 2. rotating the block; 3. a connecting shaft; 4. a polishing mechanism; 401. a grinding wheel; 402. a first rotating shaft; 403. a servo motor; 404. a second rotating shaft; 5. a dust suction mechanism; 501. a dust suction port; 502. filtering with a screen; 503. a negative pressure fan; 504. an air box; 6. a handle; 7. a storage battery; 8. a housing; 9. and fixing the screw.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a grinding device for a tooth holder of a bucket tooth of an excavator comprises a protective shell 1, a grinding mechanism 4, a dust suction mechanism 5 and a shell 8, wherein a storage battery 7 is fixedly connected to one side of the shell 8, a handle 6 is fixedly connected to the bottom end of the shell 8, the grinding mechanism 4 is fixedly connected to the inside of the shell 8, a grinding wheel 401, a first rotating shaft 402, a servo motor 403 and a second rotating shaft 404 are sequentially arranged inside the grinding mechanism 4, the first rotating shaft 402 is fixedly connected to one side of the servo motor 403, the type of the servo motor 402 can be ASD-A2, the input end of the servo motor 402 is electrically connected with the output end of a single chip microcomputer through a wire, pulleys are arranged at the top end and the bottom end of the first rotating shaft 402, sliding grooves are arranged at the top end and the bottom end of the second rotating shaft 404, and the first rotating shaft;

one side of the first rotating shaft 402 is movably connected with a second rotating shaft 404, and one side of the second rotating shaft 404 is movably connected with a grinding wheel 401;

specifically, as shown in fig. 1, 2 and 3, when the grinding wheel is used, firstly, the servo motor 403 starts to work, the servo motor 403 works to drive the first rotating shaft 402, the first rotating shaft 402 rotates to drive the second rotating shaft 404 on one side of the first rotating shaft to rotate, the second rotating shaft 404 rotates to drive the grinding wheel 401 to rotate, and the grinding wheel 401 rotates to be close to the bucket tooth holder for grinding;

the top end of one side of the polishing mechanism 4 is movably connected with a protective shell 1, one side of the protective shell 1 is movably connected with a rotating block 2, external threads are uniformly arranged on the outer side wall of the rotating block 2, internal threads matched with the external threads are uniformly arranged on the inner side wall of the protective shell 1, and the rotating block 2 is in threaded connection with the protective shell 1;

one side of the rotating block 2 is fixedly connected with a connecting shaft 3, the top end of the grinding mechanism 4 is movably connected with a fixing screw 9, the bottom end of the shell 8 is fixedly connected with a dust suction mechanism 5, a dust suction port 501, a filter screen 502, a negative pressure fan 503 and an air box 504 are arranged in the dust suction mechanism 5, one side of the air box 504 is fixedly connected with the negative pressure fan 503, the type of the negative pressure fan 503 can be BFX-100, the input end of the negative pressure fan 503 is electrically connected with the output end of the single chip microcomputer through a wire, the filter screen 502 is arranged on one side of the negative pressure fan 503, clamping blocks are arranged on the top end and the bottom end of the filter screen 502, clamping grooves are arranged on the top end and the bottom end of the air box 504, the;

specifically, as shown in fig. 1, when the device is used, firstly, when the device starts to polish, the negative pressure fan 503 on one side of the air box 504 starts to work, and dust polished during polishing is sucked into the air box 504 through the dust suction port 501, so that dust generated during polishing is reduced, and meanwhile, the filter screen 502 is arranged inside the air box 504, so that dust is prevented from entering the negative pressure fan 503, and the purpose that the device can suck dust is achieved.

The working principle is as follows: when the utility model is used, firstly, the servo motor 403 starts to work, the servo motor 403 works to drive the first rotating shaft 402, the first rotating shaft 402 rotates to drive the second rotating shaft 404 on one side to rotate, the second rotating shaft 404 rotates to drive the grinding wheel 401 to rotate, the grinding wheel 401 rotates to be close to the bucket tooth toothholder for grinding, a connecting shaft 3 is arranged at the bottom end of the protective shell 1, a rotating block 2 is arranged at one side of the connecting shaft 3, the connecting shaft 3 and the protective shell 1 form threaded connection, the threaded connection is convenient to disassemble and assemble, the connecting shaft 3 penetrates through the grinding wheel 401 to fix the grinding wheel 401 on the protective shell 1, the rotating block 2 is screwed to unscrew the connecting shaft 3, therefore, the connecting shaft 3 can be detached, the grinding wheel 401 needing to be replaced can be taken down, a new grinding wheel 401 is placed into the protective shell 1, the connecting shaft 3 is screwed down again, and replacement can be completed once, so that the purpose that the grinding wheel 401 is convenient to replace is achieved.

Afterwards, an air box 504 is fixedly connected to the bottom end of the housing 8, when the device starts to polish, a negative pressure fan 503 on one side of the air box 504 starts to work, dust polished during polishing is sucked into the air box 504 through a dust suction port 501, dust generated during polishing is reduced, and meanwhile a filter screen 502 is arranged inside the air box 504, so that dust is prevented from entering the negative pressure fan 503, and the purpose that the device can suck dust is achieved.

Finally, one side of the first rotating shaft 402 is movably connected with a second rotating shaft 404, the second rotating shaft 404 can slide in the first rotating shaft 402, so that the whole length of the rotating shaft can be changed, the position of the grinding wheel 401 on one side of the second rotating shaft 404 can be changed, the grinding wheel 401 can be used for grinding positions which are usually difficult to grind, the applicability of the device is improved, and the purpose that the position of the grinding wheel 401 can be adjusted by the device is achieved.

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 a grinding device of excavator bucket tooth toothholder, includes protective housing (1), grinding machanism (4), dust absorption mechanism (5) and shell (8), its characterized in that: the utility model discloses a dust collection device, including shell (8), one side fixedly connected with battery (7) of shell (8), bottom fixedly connected with handle (6) of shell (8), the inside fixedly connected with grinding machanism (4) of shell (8), and the top swing joint of grinding machanism (4) one side has protective housing (1), one side swing joint of protective housing (1) has turning block (2), and one side fixedly connected with connecting axle (3) of turning block (2), the top swing joint of grinding machanism (4) has set screw (9), the bottom fixedly connected with dust absorption mechanism (5) of shell (8).

2. The grinding device for the tooth holder of the excavator bucket tooth according to claim 1, wherein: the outer side wall of the rotating block (2) is evenly provided with external threads, the inner side wall of the protective shell (1) is evenly provided with internal threads matched with the external threads, and the rotating block (2) is in threaded connection with the protective shell (1).

3. The grinding device for the tooth holder of the excavator bucket tooth according to claim 1, wherein: the grinding mechanism (4) is internally provided with a grinding wheel (401), a first rotating shaft (402), a servo motor (403) and a second rotating shaft (404) in sequence, wherein the first rotating shaft (402) is fixedly connected to one side of the servo motor (403), the second rotating shaft (404) is movably connected to one side of the first rotating shaft (402), and the grinding wheel (401) is movably connected to one side of the second rotating shaft (404).

4. The grinding device of the tooth holder of the excavator bucket tooth according to claim 3, wherein: the top and the bottom of first pivot (402) all are provided with the pulley, and the top and the bottom of second pivot (404) all are provided with the spout, and first pivot (402) and second pivot (404) constitute sliding construction.

5. The grinding device for the tooth holder of the excavator bucket tooth according to claim 1, wherein: the dust collection mechanism (5) is internally provided with a dust collection port (501), a filter screen (502), a negative pressure fan (503) and an air box (504), one side of the air box (504) is fixedly connected with the negative pressure fan (503), one side of the negative pressure fan (503) is provided with the filter screen (502), and one side of the air box (504) is fixedly connected with the dust collection port (501).

6. The grinding device of the tooth holder of the excavator bucket tooth according to claim 5, wherein: the top and the bottom of filter screen (502) all are provided with the fixture block, and the top and the bottom of bellows (504) are provided with the draw-in groove, and filter screen (502) and bellows (504) constitute the block structure.