CN213411501U

CN213411501U - Coarse grinding head device

Info

Publication number: CN213411501U
Application number: CN202021789898.2U
Authority: CN
Inventors: 李树高
Original assignee: Keda Industrial Group Co Ltd
Current assignee: Keda Industrial Group Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-06-11
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to a rough grinding head device, which comprises a grinding head upper part, a grinding head lower part connected with the grinding head upper part and a waterproof cover covering the grinding head lower part; the upper part of the grinding head comprises a motor, an upper coupling connected with the motor, a driving shaft connected with the upper coupling, a framework oil seal used for sealing lubricating oil and a shaft repairing sleeve positioned between the driving shaft and the framework oil seal; the lower part of the grinding head comprises a grinding head seat, a lower coupler, a lower bevel pinion, a carborundum grinding wheel, a lower bearing and an elastic structure. The utility model provides a rough grinding head device the skeleton oil blanket with set up the axle between the high-speed axle and restoreed the cover, the axle is restoreed the cover and is fixed in on the high-speed axle, it follows the high-speed axle rotates together, if when the oil leak phenomenon appears, only needs to change axle is restoreed cover and skeleton oil blanket can, need not to change the high-speed axle, and convenient operation is swift, and has practiced thrift the replacement cost.

Description

Coarse grinding head device

Technical Field

The utility model relates to a stone material processing equipment technical field specifically, relates to a rough grinding head device.

Background

The stone mainly comprises marble, granite, quartz, artificial stone, microcrystal stone and the like, wherein the marble is mainly formed by different mines, production places and colors and various types of stones, and different stone processing technological processes are different, however, the grinding and polishing processes of the stones are basically the same and are finely polished after rough grinding, for the stones with large cutting amount, the performance requirement on a rough grinding head device is higher, the rough grinding process is generally completed by a thickness-fixing machine at present, the rough grinding head device of the thickness-fixing machine has various types, and the unique advantages of the cylindrical rough grinding head device are accepted by the market.

However, the existing cylindrical rough grinding head device on the market has the following defects:

1. the bearing structure design is unreasonable, the assembly quality is unstable, and the bearing is easy to damage.

2. The parts have unreasonable structures and high maintenance cost.

3. The effectiveness of the spray water device is not ideal.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a rough grinding head device, assembly quality is stable, and the bearing is not fragile, has promoted product property ability.

In order to solve the technical problem, the utility model provides a rough grinding head device, which comprises a grinding head upper part, a grinding head lower part connected with the grinding head upper part and a waterproof cover covering the grinding head lower part;

the upper part of the grinding head comprises a motor, an upper coupling connected with the motor, a driving shaft connected with the upper coupling, a framework oil seal used for sealing lubricating oil and a shaft repairing sleeve positioned between the driving shaft and the framework oil seal;

the lower portion of the grinding head comprises a grinding head seat, a lower coupler arranged in the grinding head seat, a lower bevel pinion connected with the lower coupler, a carborundum wheel connected with the lower bevel pinion, a lower bearing sleeved on the lower bevel pinion and an elastic structure used for protecting the lower bearing, wherein the lower coupler is connected with the driving shaft in a spline mode.

Preferably, the driving shaft comprises a hollow shaft, a high-speed shaft arranged inside the hollow shaft and an upper bearing positioned between the hollow shaft and the high-speed shaft;

the hollow shaft is sleeved on the high-speed shaft, and the high-speed shaft is arranged in the hollow shaft, extends out of the hollow shaft and rotates in the hollow shaft.

Preferably, the shaft repair sleeve is fixed to the high speed shaft, and rotates together with the high speed shaft.

Preferably, the elastic structure is sleeved on the lower bevel pinion and located on one side of the lower bearing.

Preferably, the resilient structure is a disc spring.

Preferably, lubricating oil is arranged inside the grinding head seat;

and the grinding head seat is provided with a transparent screw plug which is arranged on the liquid level of the preset lowest lubricating oil.

Preferably, the buckler includes the water cover body, locates spray header on the water cover body, locate water jet on the spray header and locate preceding picture peg on the water cover body.

Preferably, the spray header is of an annular structure and is at least provided with an inner layer and an outer layer;

the water spray opening is arranged facing the carborundum grinding wheel and is of a hole structure uniformly distributed on the spray header.

Preferably, an external water source sprays water to the periphery of the carborundum wheel through a spray pipe and a water spray nozzle, so that the water forms two cylindrical water curtains.

Preferably, the upper part of the grinding head further comprises an upper spacer bush, and the upper spacer bush is sleeved on the high-speed shaft;

the lower part of the grinding head also comprises a lower spacer bush which is sleeved on the lower bevel pinion.

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

1. the utility model provides a rough grinding head device the skeleton oil blanket with set up the axle between the high-speed axle and restoreed the cover, the axle is restoreed the cover and is fixed in on the high-speed axle, it follows the high-speed axle rotates together, if when the oil leak phenomenon appears, only needs to change axle is restoreed cover and skeleton oil blanket can, need not to change the high-speed axle, and convenient operation is swift, and has practiced thrift the replacement cost.

2. The utility model provides a rough grinding head device, stone material by the in-process of polishing, certain power must be applyed to the stone material surface to the diamond grinding wheel, so, diamond grinding wheel, lower part are chased after gear and lower part bearing for a short time and all can receive a reaction force, and the lower part bearing will damage easily under the condition that receives pressure for a long time to lead to the assembly quality unstable, through having set up elastic construction, be used for the buffering in order to solve above-mentioned problem the power that the lower part bearing received has reduced the power that the lower part bearing received greatly, thereby prevents the bearing is damaged.

3. The utility model provides a rough grinding head device, outside water source pass through spray header and water jet past spray header is around the carborundum wheel for water forms the cylindric water curtain of twice, guarantees the carborundum wheel is rotatory to have water to leave to arbitrary position, has improved the grinding operating mode, and on the other hand can also the effectual dust that reduces the production of grinding in-process, environmental protection more.

Drawings

Fig. 1 is a schematic structural view of the rough grinding head device of the present invention;

fig. 2 is a schematic structural view of the upper part of the grinding head of the rough grinding head device of the utility model;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic structural view of the lower part of the grinding head of the rough grinding head device of the utility model;

FIG. 5 is an enlarged view of FIG. 4 at B;

fig. 6 is a schematic structural view of a waterproof cover of the rough grinding head device of the present invention;

fig. 7 is the structural schematic diagram of the water spray pipe of the rough grinding head device of the utility model.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-5, the utility model provides a rough grinding head device, which comprises a grinding head upper part 1, a grinding head lower part 2 connected with the grinding head upper part 1, and a waterproof cover 3 covering the grinding head lower part 2;

the grinding head upper part 1 comprises a motor 11, an upper coupling 12 connected with the motor 11, a driving shaft 13 connected with the upper coupling 12, a framework oil seal 14 used for sealing lubricating oil and a shaft repairing sleeve 15 positioned between the driving shaft 13 and the framework oil seal 14;

the grinding head lower part 2 comprises a grinding head seat 21, a lower coupler 22 arranged in the grinding head seat 21, a lower bevel pinion 23 connected with the lower coupler 22, a carborundum wheel 24 connected with the lower bevel pinion 23, a lower bearing 25 sleeved on the lower bevel pinion 23 and an elastic structure 26 for protecting the lower bearing 25, wherein the lower coupler 22 is in splined connection with the driving shaft 13.

As shown in fig. 2-3, the grinding head upper portion 1 is used for providing power to realize a rough grinding function of the rough grinding head device, and includes a motor 11, an upper coupling 12 connected to the motor 11, a driving shaft 13 connected to the upper coupling 12, a framework oil seal 14 for sealing lubricating oil, and a shaft repairing sleeve 15 located between the driving shaft 13 and the framework oil seal 14, wherein the motor 11 is used for providing power and rotates after being electrified to drive the upper coupling 12 to rotate, and the driving shaft 13 is connected to the upper coupling 12, so that when the upper coupling 12 rotates, the driving shaft 13 rotates along with the upper coupling 12, thereby realizing driving of the lower portion of the grinding head.

Specifically, the driving shaft 13 includes a hollow shaft 131, a high-speed shaft 132 disposed inside the hollow shaft 131, and an upper bearing 133 located between the hollow shaft 131 and the high-speed shaft 132, the hollow shaft 131 is sleeved on the high-speed shaft 132, and the high-speed shaft 132 is disposed inside the hollow shaft 131, extends out of the hollow shaft 131, and rotates inside the hollow shaft 131, so as to drive the grinding head lower portion 2.

Here, because the grinding head upper portion 1 needs to be provided with lubricating oil therein during the rotation process, so as to ensure that each component can operate smoothly, and the high-speed shaft 132 needs to be connected with the grinding head lower portion 2, so that it needs to extend out of the grinding head upper portion 1, and thus, the lubricating oil needs to be sealed, so that this function is achieved by the arrangement of the framework oil seal 14, however, during the rotation process of the high-speed shaft 132, relative motion may occur in the framework oil seal 14, and long-term friction may grind a groove on the high-speed shaft 132, so as to cause an oil leakage phenomenon.

The utility model discloses a solve above-mentioned problem skeleton oil blanket 14 with set up axle restoration cover 15 between the high-speed axle 132, axle restoration cover 15 is fixed in on the high-speed axle 132, it follows the high-speed axle 132 rotates together, if when the oil leak phenomenon appears, only need change axle restoration cover 15 and skeleton oil blanket 14 can, need not change the high-speed axle, convenient operation is swift, and has practiced thrift the replacement cost.

In order to prevent the upper bearing 133 from moving up and down to affect the reliability of the rough grinding head device, the grinding head upper portion 1 further comprises an upper spacer 16, and the upper spacer 16 is sleeved on the high-speed shaft 132 to ensure the reliability of the rough grinding head device.

As shown in fig. 4-5, the lower grinding head part 2 is used for rough grinding of stone materials, and includes a grinding head seat 21, a lower coupler 22 disposed in the grinding head seat 21, a lower bevel pinion 23 connected to the lower coupler 22, a carborundum wheel 24 connected to the lower bevel pinion 23, a lower bearing 25 sleeved on the lower bevel pinion 23, and an elastic structure 26 for protecting the lower bearing 25, the grinding head seat 21 is used for fixedly mounting the lower coupling 22, the lower bevel pinion 23, the carborundum wheel 24, the lower bearing 25, the elastic structure 26 and the like, so as to ensure that the lower part 2 of the grinding head can be assembled into an integral structure, the lower coupling 22 is connected to the high-speed shaft 132 by a spline, so that the lower coupling 22 rotates along with the high-speed shaft 132 during the rotation of the high-speed shaft 132.

The lower bevel pinion 23 is connected with the lower coupler 22 and rotates along with the lower coupler 22, so that the carborundum wheel 24 is driven to rotate, and the rough grinding function of the rough grinding head device is realized.

The carborundum wheel 24 is fixed on the lower bevel pinion 23 through a connecting flange and is used for polishing the surface of the stone.

The lower bearing 25 is sleeved on the lower bevel pinion 23 for ensuring that the lower bevel pinion 23 can rotate under the action of the lower coupling 22 to drive the emery wheel 24 to polish the surface of the stone, and it should be noted here that, because the emery wheel 24 must apply a certain force to the surface of the stone in the process of polishing the stone, the emery wheel 24, the lower bevel pinion 23 and the lower bearing 25 all receive a reaction force, and the lower bearing 25 is easily damaged under the condition of long-term pressure, thereby causing unstable assembly quality, in order to solve the above problems, the utility model provides an elastic structure 26 to keep the lower bearing 25 in a state of small play all the time, and buffer the force received by the lower bearing 25, and greatly reduce the force received by the lower bearing 25, thereby preventing the lower bearing 25 from being damaged.

Specifically, the elastic structure 26 is sleeved on the lower bevel pinion 23 and located on one side of the lower bearing 25, and may be a disc spring or other elastic structure, which is not limited to this embodiment as long as the force received by the lower bearing 25 can be released. Here, since the lower bearing 25 is worn to a certain extent after a long-term operation, the play of the lower bearing 25 is increased, the rigidity of the lower bearing is deteriorated, vibration and noise are generated, and the accuracy is lowered, and the like, in the present embodiment, the elastic structure is provided, and it is possible to automatically compensate, so that the lower bearing 25 is always kept in a state of a small play.

In order to realize the lubrication of the grinding head lower part 2 and ensure the smooth operation of the rough grinding head device, lubricating oil is arranged in the grinding head seat 21, and excessive or insufficient lubricating oil affects the lower part of the grinding head, so the height of the lubricating oil in the grinding head seat 21 needs to be monitored.

In order to prevent the lower bearing 25 from axially shifting to influence the reliability of the rough grinding head device, the lower part 2 of the grinding head further comprises a lower spacer bush 26, and the lower spacer bush 26 is sleeved on the lower bevel pinion 23 to ensure the reliability of the rough grinding head device.

As shown in fig. 6-7, the waterproof cover 3 covers the grinding head lower part 2 for preventing dust from leaking, and affecting the health of the operating workers, the waterproof cover 3 includes a water cover body 31, a shower pipe 32 arranged on the water cover body 31, a water spray 33 arranged on the shower pipe 32, and a front insert plate 34 arranged on the water cover body 31, the water cover body 31 covers the grinding head lower part 2, the shower pipe 32 is in an annular structure and at least has an inner layer and an outer layer, the water spray 33 faces the carborundum wheel 24 and is arranged in an annular hole structure on the shower pipe 32, an external water source sprays water around the carborundum wheel 24 through the shower pipe 32 and the water spray 33, so that the water forms two cylindrical water curtains, and it is ensured that the carborundum wheel 24 rotates to any position and has water left, and the grinding working condition is improved, on the other hand, the dust generated in the grinding process can be effectively reduced, and the grinding machine is more environment-friendly.

The utility model provides a rough grinding head device skeleton oil blanket 14 with set up axle restoration cover 15 between the high-speed axle 132, axle restoration cover 15 is fixed in on the high-speed axle 132, it follows the high-speed axle 132 rotates together, if when the oil leak phenomenon appears, only need change axle restoration cover 15 and skeleton oil blanket 14 can, need not change the high-speed axle, convenient operation is swift, and has practiced thrift the replacement cost.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A rough grinding head device is characterized by comprising a grinding head upper part, a grinding head lower part connected with the grinding head upper part and a waterproof cover covering the grinding head lower part;

2. The rough grinding head device according to claim 1, wherein the drive shaft comprises a hollow shaft, a high speed shaft disposed inside the hollow shaft, and an upper bearing between the hollow shaft and the high speed shaft;

3. The rough grinding head device according to claim 2, wherein the shaft repair sleeve is fixed to the high speed shaft, which rotates together with the high speed shaft.

4. The rough grinding head device according to claim 1, wherein the elastic structure is sleeved on the lower bevel pinion on one side of the lower bearing.

5. The rough grinding head device according to claim 1, wherein the resilient structure is a disc spring.

6. The rough grinding head device according to claim 1, wherein a lubricating oil is provided inside the head base;

7. The rough grinding head device according to claim 1, wherein the waterproof cover includes a water cover body, a shower pipe provided on the water cover body, a water jet provided on the shower pipe, and a front insert plate provided on the water cover body.

8. The rough grinding head device according to claim 7, wherein the water spray pipe is of an annular structure and is provided with at least an inner layer and an outer layer;

9. The rough grinding head device according to claim 7, wherein an external water source sprays water around the carborundum wheel through a spray pipe and a water spray nozzle so that the water forms two cylindrical water curtains.

10. The rough grinding head device according to claim 2, wherein the grinding head upper portion further comprises an upper spacer sleeve, the upper spacer sleeve being fitted over the high-speed shaft;