CN110842784A - A kind of polishing equipment and its liquid circuit switching device - Google Patents

Abstract

The invention discloses polishing equipment and a liquid path switching device thereof. Wherein, the movable end of the liquid path switching device is connected with a grinding head mounting beam of the polishing equipment, and comprises a rotating motor, a rotating shaft, a bearing and a bearing gland, the rotating shaft is coaxially connected with the rotating motor, the bearing is sleeved on the rotating shaft and is tightly pressed and fixed by the bearing gland, a liquid inlet joint and a gas inlet joint are arranged on the bearing gland, a liquid guide hole, a liquid outlet joint connected with the liquid guide hole, a gas guide groove and a gas outlet joint connected with the gas guide groove are arranged on the rotating shaft, the rotating motor drives the rotating shaft to rotate and switch the grinding head, the gas outlet joint is communicated with the gas inlet joint through the gas guide groove when the rotating shaft rotates, when the rotating shaft rotates to enable one liquid guide hole to be communicated with the liquid inlet joint, the liquid path of the path is communicated, and the corresponding liquid outlet joint outputs liquid for spraying polishing liquid when the grinding head polishes, thereby realizing the liquid path switching of, the switching mode is portable.

Description

A kind of polishing equipment and its liquid circuit switching device

technical field

The invention relates to the technical field of polishing equipment, in particular to a polishing equipment and a liquid path switching device thereof.

Background technique

Polishing refers to the use of mechanical, chemical or electrochemical action to reduce the surface roughness of the workpiece to obtain a bright and smooth surface. It is the modification of the workpiece surface by polishing tools and abrasive particles or other polishing media.

When polishing the grinding head of the polishing equipment, it is necessary to spray polishing liquid at the grinding head to reduce the temperature of the grinding head and improve the polishing effect. Existing polishing equipment mainly includes large disc type liquid spray device and serpentine tube spray device (as shown in Figure 1). However, the current large disc type liquid spray device and serpentine tube spray The liquid devices all have the disadvantages of numerous pipelines and uneven liquid spraying. Moreover, the existing polishing equipment can only perform one polishing process, and cannot switch the grinding head according to different polishing processes and switch the liquid path when switching the grinding head.

Therefore, the prior art still needs to be improved and improved.

SUMMARY OF THE INVENTION

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a polishing equipment and a liquid path switching device thereof, which can automatically switch the liquid path when the rotary motor switches the grinding head.

In order to achieve the above object, the present invention has adopted the following technical solutions:

A liquid circuit switching device for polishing equipment, comprising a rotating motor, a rotating shaft, a bearing and a bearing gland, the rotating shaft is coaxially connected with the rotating motor, the bearing is sleeved on the rotating shaft, and passes through the bearing gland. Pressing and fixing, the bearing gland is provided with a liquid inlet joint and an air inlet joint, the rotating shaft is provided with a number of liquid guide holes, and a number of liquid outlet joints connected with the corresponding liquid guide holes are also provided with air guide grooves 2. The air outlet joint connected with the air guide groove, the air outlet joint communicates with the air inlet joint through the air guide groove, when the rotating motor drives the rotating shaft to rotate so that a liquid guide hole is communicated with the liquid inlet joint, the connection of the road is realized. The liquid paths are connected, so that the corresponding liquid outlet joints output liquid.

In the liquid path switching device of the polishing equipment, the rotating shaft is provided with a liquid introduction groove, and the liquid introduction hole is located in the liquid introduction groove.

In the liquid path switching device of the polishing equipment, the liquid introduction groove is an arc groove.

In the liquid circuit switching device of the polishing equipment, there are three liquid introduction grooves, liquid guide holes and liquid outlet joints.

In the liquid path switching device of the polishing equipment, the depth of the liquid introduction groove is 1/3-2/3 of the diameter of the liquid guide hole.

In the liquid circuit switching device of the polishing equipment, several sealing rings are arranged between the rotating shaft and the bearing gland.

In the liquid circuit switching device of the polishing equipment, the sealing rings are arranged on both sides of the liquid guide hole and on both sides of the air guide groove.

The liquid circuit switching device of the polishing equipment further includes a waterproof cover arranged between the bearing and the rotating motor, and the waterproof cover is arranged on the bearing.

In the liquid circuit switching device of the polishing equipment, the air guide groove is an annular through groove, one side of the air guide groove is communicated with the air inlet joint, and the other side of the air guide groove is communicated with the air outlet joint.

A polishing equipment includes a grinding head mounting beam and a plurality of rows of grinding heads for polishing mounted on the grinding head mounting beam, and also includes a liquid path switching device of the polishing equipment as described at any end of the above, wherein the liquid The liquid outlet joint of the circuit switching device is connected with the liquid inlet hole of the grinding head, and the rotating motor of the liquid circuit switching device drives the grinding head mounting beam to rotate a preset angle, so that a liquid outlet joint is connected with the liquid inlet hole of the corresponding grinding head. , supply fluid to the grinding head.

Compared with the prior art, the polishing equipment and the liquid circuit switching device thereof provided by the present invention include a rotating motor, a rotating shaft, a bearing and a bearing gland. When the rotating motor drives the rotating shaft to rotate and switch the grinding head, the The outlet joint of the bearing gland communicates with the inlet joint of the bearing gland through the air guide groove, which can be used with the negative pressure device of the polishing equipment to absorb the glass; when the rotating shaft rotates, a liquid guide hole on it is connected to the liquid inlet joint of the bearing gland. When connected, the liquid paths are connected, so that the corresponding liquid outlet joints output liquid (such as polishing liquid) to the corresponding grinding head, which is used for spraying polishing liquid when the grinding head is polished, so as to realize the liquid path switching of multiple polishing stations. , Its switching mode is portable, and the liquid supply and gas supply pipelines are simple, and the maintenance cost is low.

Description of drawings

FIG. 1 is a schematic structural diagram of a serpentine tube liquid spray mechanism in the prior art.

FIG. 2 is a schematic diagram of an exploded structure of the liquid circuit switching device of the polishing apparatus provided by the present invention.

FIG. 3 is a schematic cross-sectional structural diagram of a liquid path switching device of a polishing apparatus provided by the present invention.

FIG. 4 is a schematic structural diagram of the rotating shaft of the liquid circuit switching device of the polishing apparatus provided by the present invention.

FIG. 5 is a schematic structural diagram of a grinding head mounting beam and a grinding head of the polishing apparatus provided by the present invention.

Detailed ways

In order to make the objectives, technical solutions and effects of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

It should be noted that when a component is referred to as being "mounted on," "fixed to," or "disposed on" another component, it can be directly on the other component or an intervening component may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should also be noted that the azimuth terms such as left, right, upper and lower in the embodiments of the present invention are only relative concepts to each other or refer to the normal use state of the product, and should not be regarded as limiting. .

A grinding head mounting beam (as shown in FIG. 5 ) is arranged on the polishing equipment to which the liquid circuit switching device provided by the present invention is applied, and a row of grinding heads 300 is provided on each of the three sides of the grinding head mounting beam 200 . The present invention is mainly used for When the grinding head installation beam switches the polishing station, it will automatically go to the corresponding liquid path.

Please refer to FIGS. 2 , 3 and 5 , the liquid circuit switching device of the polishing equipment provided by the present invention, the movable end of which is connected with the grinding head mounting beam 200 of the polishing equipment, which includes a rotating motor 1 , a rotating shaft 2 , a bearing 3 and Bearing press cover 4, the rotating shaft 2 is coaxially connected to the rotating motor 1, and one end of the rotating shaft 2 is connected to a grinding head mounting beam 200, and a plurality of grinding heads 300 are arranged on the grinding head mounting beam 200, and the rotating shaft When 2 rotates, the rotating shaft 2 and the grinding head mounting beam 200 both rotate, so as to realize the switching between the polishing liquid path on the grinding head mounting beam and the grinding head 300 .

As shown in FIG. 2 and FIG. 3 , the bearing 3 is sleeved on the rotating shaft 2, and is pressed and fixed by the bearing gland 4, and the bearing gland 4 is provided with a liquid inlet joint 41 and an inlet joint 42. The rotating shaft 2 is provided with a number of liquid guide holes 21, a number of liquid outlet joints 22 communicating with the corresponding liquid guide holes 21, and an air guide groove 23 and an air outlet joint 24 connected with the air guide groove 23, so The air outlet joint 24 communicates with the air inlet joint 42 through the air guide groove 23, and cooperates with the negative pressure device (not shown in the figure) of the polishing equipment to absorb the glass. When the rotating motor 1 drives the rotating shaft 2 to rotate, a liquid guide When the hole 21 communicates with the liquid inlet joint 41 , the liquid path of the path is communicated, so that the corresponding liquid outlet joint 22 outputs the liquid to supply the corresponding grinding head 300 .

In the present invention, the polishing station is switched by the rotation of the rotating shaft. The air inlet joint 42 is kept in air communication with the liquid inlet joint 41 through the air guide groove 23, and the negative pressure device (not shown in the figure) combined with the polishing equipment is used to suck the glass. Realize the loading and unloading of glass; when the rotating shaft turns to a certain liquid path, the polishing liquid is transported to the grinding head (not shown in the figure) of the corresponding station, and the polishing liquid is sprayed when grinding the glass. And also through the liquid guide hole 21, the polishing liquid is output from the rotating shaft 2 to the liquid inlet holes of each grinding head at the same time to achieve uniform spraying of the polishing liquid, so as to improve the product quality. The invention adopts fewer gas supply pipelines and liquid supply pipelines, and the gas pipelines and the liquid pipelines are controlled separately, which is more convenient for operation. At the same time, when the rotating shaft 2 rotates, the bearing gland 4 does not rotate, and the air supply pipeline and the liquid supply pipeline will not be entangled when the rotating shaft rotates.

Further, the bearing gland 4 is provided with an infusion hole 43 and an air infusion hole 44 , and the infusion joint 41 communicates with the infusion hole 43 ; and the air supply holes 44 are respectively communicated with the liquid guide holes 21 and the air guide grooves 23 on the rotating shaft 2 .

Please also refer to FIG. 4 , the rotating shaft 2 has a liquid introduction groove 25, and the liquid guide hole 21 is located in the liquid introduction groove 25. When switching the liquid path, the infusion hole 43 only needs to be rotated to the At the liquid introduction groove 25 , the polishing liquid can be introduced into the liquid guide hole 21 through the liquid introduction groove 25 through the infusion hole 43 . Specifically, the liquid introduction groove 25 is an arc groove, so that it fits with the inner edge of the bearing press cover 4 so as to facilitate the rotation of the rotating shaft 2 .

In this practical example, there are three liquid introduction grooves 25 , liquid guide holes 21 , and liquid outlet joints 22 , and there are also three grinding heads on the grinding head mounting beam 200 . Switch to the corresponding fluid path.

More specifically, the depth of the liquid introduction groove 25 is 1/3-2/3 of the diameter of the liquid guide hole 21, which can not only ensure the strength of the rotating shaft 2, but also enable the polishing liquid to be quickly introduced into the liquid guide hole 21. .

The air guide groove 23 is an annular through groove, one side of the air guide groove 23 is communicated with the air inlet joint 42, and the other side of the air guide groove 23 is communicated with the air outlet joint 24, so that when the rotating shaft 2 rotates, the retaining Air connection. The air guide groove 23 is disposed adjacent to the outer wall of the rotating shaft 2, and the liquid guide hole 21 is adjacent to the inertia through hole of the inner wall of the rotating shaft 2, and the two channels are staggered and do not interfere with each other.

Please continue to refer to FIG. 2 and FIG. 3 , several sealing rings 5 are arranged between the rotating shaft 2 and the bearing cover 4 , wherein two of the sealing rings 5 are arranged on the inner wall of the through hole 45 of the bearing cover 4 and rotate The shaft 2 is located between the liquid inlet joint 41 and the liquid introduction groove 25 , that is, the two sealing rings 5 are located on both sides of the liquid guide hole 21 to avoid liquid leakage when the polishing liquid is introduced into the liquid guide hole 21 . Two of the sealing rings 5 are also arranged at the joint between the end face of the bearing gland 4 and the rotating shaft 2 , and are located between the air inlet joint 42 and the air guide groove 23 , that is, the two seal rings 5 are located in the air guide groove 23 . On both sides, avoid air leakage when the air paths are connected, which will affect the adsorption force of the negative pressure device of the polishing equipment.

Further, the liquid circuit switching device of the polishing equipment also includes a waterproof cover 6 arranged between the bearing 3 and the rotating electrical machine 1 , the waterproof cover 6 covers the bearing 3 , and the waterproof cover 6 can Avoid spraying the polishing liquid to the bearing 3 when the polishing equipment is polished, so as to prolong the service life of the bearing 3.

Further, it also includes a mounting seat 7 , the rotary motor 1 is mounted in the mounting seat 7 , and through the mounting seat 7 , the liquid path switching device of the polishing equipment is installed on the polishing equipment.

Based on the above-mentioned liquid circuit switching device for polishing equipment, the present invention also provides a polishing equipment correspondingly, please refer to FIG. 2 , FIG. 3 and FIG. The grinding head 300 used for polishing on the grinding head mounting beam 200 and the liquid path switching device of the above-mentioned polishing equipment, the liquid outlet joint 22 of the liquid path switching device and the liquid inlet hole of the grinding head (not shown in the figure) When the liquid path switching device drives the grinding head mounting beam 200 to rotate at a preset angle to switch the grinding heads, the corresponding liquid outlet joints 22 are switched to communicate with the liquid inlet holes of the corresponding row of grinding heads at the same time to supply liquid to the grinding heads 300 .

Specifically, the grinding heads on the grinding head mounting beam are in three rows, and the adjacent grinding heads are arranged at an angle of 90 degrees. The positions of the liquid outlet joints 22 correspond to the positions of the grinding heads one by one. When the grinding head mounting beam rotates After 90 degrees, the switching of the grinding head is realized, and the switching of the liquid circuit is realized while the grinding head is switched.

To sum up, in the polishing equipment and its liquid path switching device provided by the present invention, the air guide groove and the air inlet joint of the bearing gland are kept in communication when the rotating shaft rotates, and can be used in conjunction with the negative pressure device of the polishing equipment to absorb glass. ;When the rotating motor drives the rotating shaft to rotate and switch the grinding head of the corresponding station, the rotating shaft rotates so that a liquid guide hole on the rotating shaft is connected with the liquid inlet joint of the bearing gland, so as to realize the communication of the liquid path and make the corresponding liquid outlet joint output. The liquid (such as polishing liquid) is sent to the corresponding grinding head, and the polishing liquid is sprayed when the grinding head is used for polishing, so as to realize the switching of liquid paths of multiple polishing stations.

In addition, the present invention has a simple structure, realizes automatic switching of the liquid circuit, and the gas supply and liquid supply pipelines are not entangled during the switching process, which facilitates the operation of station switching. And through a liquid introduction hole, the grinding head of the same station is supplied with liquid at the same time, so that the polishing liquid is sprayed evenly, which is beneficial to provide the consistency of product polishing.

It can be understood that for those of ordinary skill in the art, equivalent replacements or changes can be made according to the technical solutions of the present invention and the inventive concept thereof, and all these changes or replacements should belong to the protection scope of the appended claims of the present invention.

Claims (10)

1. The utility model provides a polishing equipment's liquid way auto-change over device, its characterized in that, includes rotating electrical machines, rotation axis, bearing and bearing gland, rotation axis and rotating electrical machines coaxial coupling, the bearing housing is located on the rotation axis, through bearing gland compresses tightly fixedly, last feed liquor joint and the air inlet joint of being provided with of bearing gland, be provided with a plurality of drain hole on the rotation axis, go out the liquid joint with a plurality of corresponding drain hole intercommunication, still be provided with air guide groove, with the joint of giving vent to anger of being connected of air guide groove, it passes through to give vent to anger the air guide groove communicates with each other with air inlet joint, works as the rotatory liquid way that makes a drain hole and feed liquor joint communicate with each other realizes this way of rotating electrical machines drive rotation axis communicates with each other, makes corresponding drain joint output.

2. The liquid path switching device of a polishing apparatus according to claim 1, wherein said rotary shaft has a liquid introduction groove thereon, and said liquid guide hole is located in said liquid introduction groove.

3. The liquid path switching device of a polishing apparatus according to claim 2, wherein said liquid introduction groove is an arc-shaped groove.

4. The liquid path switching device of a polishing apparatus as recited in claim 2, wherein the liquid introducing groove, the liquid guiding hole, and the liquid outlet joint are all three.

5. The liquid path switching device of a polishing apparatus according to any one of claims 2 to 4, wherein the liquid introduction groove has a depth of 1/3 to 2/3 of the diameter of the liquid guide hole.

6. The liquid path switching device of a polishing apparatus as claimed in claim 5, wherein a plurality of sealing rings are provided between the rotating shaft and the bearing gland.

7. The liquid path switching device of a polishing apparatus as recited in claim 6, wherein the seal rings are disposed on both sides of the liquid guide hole and both sides of the gas guide groove.

8. The liquid path switching device of a polishing apparatus according to claim 7, further comprising a waterproof cover provided between the bearing and the rotary motor, the waterproof cover being provided on the bearing.

9. The liquid path switching device of a polishing apparatus according to claim 5, wherein the air guide groove is an annular through groove, one side of the air guide groove communicates with the air inlet joint, and the other side of the air guide groove communicates with the air outlet joint.

10. A polishing device, comprising a grinding head mounting beam and a plurality of rows of grinding heads arranged on the grinding head mounting beam and used for polishing, characterized by further comprising a liquid path switching device of the polishing device as claimed in any one of claims 1 to 9, wherein a liquid outlet joint of the liquid path switching device is connected with a liquid inlet hole of the grinding head, and a rotating motor of the liquid path switching device drives the grinding head mounting beam to rotate for a preset angle, so that a liquid outlet joint is communicated with the liquid inlet hole of the corresponding row of grinding heads to supply liquid to the grinding heads.

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