阅读说明：本技术 一种抛光设备及其液路切换装置 (Polishing equipment and liquid path switching device thereof ) 是由 彭富国 邓京良 于 2019-12-26 设计创作，主要内容包括：本发明公开了一种抛光设备及其液路切换装置。其中,所述液路切换装置的活动端与抛光设备的磨头安装梁联接,其包括旋转电机、旋转轴、轴承和轴承压盖,所述旋转轴与旋转电机同轴连接,轴承套设于旋转轴上,通过轴承压盖压紧固定,所述轴承压盖上设置有进液接头和进气接头,所述旋转轴上设置有导液孔、与导液孔连接的出液接头、导气槽、与导气槽连接的出气接头,所述旋转电机驱动旋转轴旋转切换磨头,所述出气接头在旋转轴旋转时,通过导气槽与进气接头相通,当旋转轴旋转使一导液孔与进液接头相通时实现该路的液路相通,使相应的出液接头输出液体用于该磨头抛光时喷射抛光液,从而实现了多抛光工位的液路切换,其切换方式便携。(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.)

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.

Technical Field

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

Background

Polishing refers to a processing method for reducing the roughness of the surface of a workpiece by using mechanical, chemical or electrochemical actions to obtain a bright and flat surface, and is a modification processing of the surface of the workpiece by using a polishing tool and abrasive particles or other polishing media.

When a grinding head of the polishing equipment is used for polishing, polishing liquid needs to be sprayed at the grinding head to reduce the temperature of the grinding head and improve the polishing effect. The conventional polishing apparatus mainly includes a large disc type liquid spraying device and a serpentine liquid spraying device (as shown in fig. 1), however, both the conventional large disc type liquid spraying device and the conventional serpentine liquid spraying device have the disadvantages of various pipelines, uneven liquid spraying, and the like. The existing polishing equipment can only carry out one polishing process and cannot switch the grinding head according to different polishing processes and switch the liquid path when the grinding head is switched.

Thus, the prior art has yet to be improved and enhanced.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention provides a polishing apparatus and a liquid path switching device thereof, which can automatically switch the liquid path while the grinding head is switched by the rotating electrical machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a polishing equipment's liquid way auto-change over device, includes rotating electrical machines, rotation axis, bearing and bearing gland, rotation axis and rotating electrical machines coaxial coupling, on the rotation axis was located to the bearing housing, through bearing gland compresses tightly fixedly, be provided with liquid inlet joint and air inlet joint on the bearing gland, a plurality of that is provided with a plurality of drain holes on the rotation axis, communicates with corresponding drain hole goes out the liquid joint and still is provided with air guide groove, the joint of giving vent to anger of being connected with 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 liquid way that the rotatory messenger of rotating electrical machines drive drain hole and liquid inlet joint realized this way when communicating with each other communicates with each other, makes corresponding liquid.

In the liquid path switching device of the polishing apparatus, the rotary shaft has a liquid introduction groove, and the liquid guide hole is located in the liquid introduction groove.

In the liquid path switching device of the polishing apparatus, the liquid introduction groove is an arc-shaped groove.

In the liquid path switching device of the polishing equipment, the liquid introducing groove, the liquid guide hole and the liquid outlet joint are all three.

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

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

In the liquid path switching device of the polishing equipment, the sealing rings are arranged on two sides of the liquid guide hole and two sides of the gas guide groove.

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

In the liquid path 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 device comprises a grinding head mounting beam, a plurality of rows of grinding heads arranged on the grinding head mounting beam and used for polishing, and a liquid path switching device of the polishing device, wherein the 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 by 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 head.

Compared with the prior art, the polishing equipment and the liquid path switching device thereof comprise a rotating motor, a rotating shaft, a bearing and a bearing gland, wherein when the rotating motor drives the rotating shaft to rotate and switch the grinding head, an air outlet joint on the rotating shaft is communicated with an air inlet joint of the bearing gland through an air guide groove and can be matched with a negative pressure device of the polishing equipment to suck glass; when the rotating shaft rotates to enable a liquid guide hole on the rotating shaft to be communicated with a liquid inlet connector of the bearing gland, liquid path communication is achieved, the corresponding liquid outlet connector outputs liquid (such as polishing liquid) to the corresponding grinding head, and the liquid outlet connector is used for spraying the polishing liquid when the grinding head polishes, so that liquid path switching of multiple polishing stations is achieved, the switching mode is portable, liquid supply and gas supply pipelines are simple, and maintenance cost is low.

Drawings

Fig. 1 is a schematic structural diagram of a liquid spraying mechanism with a serpentine pipe in the prior art.

Fig. 2 is an exploded schematic view of a liquid path switching device of the polishing apparatus according to the present invention.

Fig. 3 is a schematic cross-sectional structure view of a liquid path switching device of the polishing apparatus provided in the present invention.

Fig. 4 is a schematic view of a structure of a rotating shaft of a liquid path switching device of the polishing apparatus provided by the present invention.

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

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements 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 be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

The polishing equipment applied by the liquid path switching device provided by the invention is provided with a grinding head mounting beam (as shown in figure 5), and three side surfaces of the grinding head mounting beam 200 are respectively provided with a row of grinding heads 300.

Referring to fig. 2, 3 and 5, the movable end of the liquid path switching device of the polishing apparatus provided by the invention is connected with a grinding head mounting beam 200 of the polishing apparatus, the liquid path switching device comprises a rotating motor 1, a rotating shaft 2, a bearing 3 and a bearing gland 4, the rotating shaft 2 is coaxially connected with the rotating motor 1, one end of the rotating shaft 2 is connected with the grinding head mounting beam 200, a plurality of grinding heads 300 are arranged on the grinding head mounting beam 200, and when the rotating shaft 2 rotates, the rotating shaft 2 and the grinding head mounting beam 200 both rotate, so that the switching between the polishing liquid path on the grinding head mounting beam and the grinding heads 300 is realized.

As shown in fig. 2 and 3, the bearing 3 is sleeved on the rotating shaft 2 and is pressed and fixed by the bearing gland 4, the bearing gland 4 is provided with a liquid inlet joint 41 and a gas inlet joint 42, the rotating shaft 2 is provided with a plurality of liquid guide holes 21, a plurality of liquid outlet joints 22 communicated with the corresponding liquid guide holes 21, a gas guide groove 23 and a gas outlet joint 24 connected with the gas guide groove 23, the gas outlet joint 24 is communicated with the gas inlet joint 42 through the gas guide groove 23 and is matched with a negative pressure device (not shown) of the polishing device to suck glass, when the rotating motor 1 drives the rotating shaft 2 to rotate to enable one liquid guide hole 21 to be communicated with the liquid inlet joint 41, the liquid path communication of the path is realized, and the corresponding liquid outlet joint 22 outputs liquid to be supplied to the corresponding grinding head 300.

The polishing station is switched by the rotation of the rotating shaft, the air inlet joint 42 is communicated with the liquid inlet joint 41 through the air guide groove 23, and is combined with a negative pressure device (not shown in the figure) of polishing equipment to suck glass, so that the glass is fed and discharged; when the rotating shaft rotates to a certain liquid path to be communicated, the polishing liquid is conveyed to a grinding head (not shown in the figure) of a corresponding station and is sprayed when the glass is ground. And the polishing solution is simultaneously output to the liquid inlet holes of the grinding heads from the rotating shaft 2 through the liquid guide holes 21 to realize uniform polishing solution spraying so as to improve the product quality. The invention has the advantages that the number of the air supply pipelines and the number of the liquid supply pipelines are less, and the air pipelines and the liquid pipelines are separately controlled, thereby being more beneficial to operation. Meanwhile, when the rotating shaft 2 rotates, the bearing cover 4 does not rotate, and the air supply pipeline and the liquid supply pipeline are not wound when the rotating shaft rotates.

Further, a transfusion hole 43 and a gas transmission hole 44 are arranged on the bearing gland 4, and the liquid inlet joint 41 is communicated with the transfusion hole 43; the air inlet joint 42 is communicated with an air delivery hole 44, and is respectively communicated with a liquid guide hole 21 and an air guide groove 23 on the rotating shaft 2 through an air delivery hole 43 and the air delivery hole 44.

Referring to fig. 4, the rotating shaft 2 has a liquid introducing groove 25, the liquid guiding hole 21 is located in the liquid introducing groove 25, and when the liquid path is switched, the liquid conveying hole 43 only needs to rotate to the liquid introducing groove 25, and the polishing liquid can be introduced into the liquid guiding hole 21 through the liquid introducing groove 25 via the liquid conveying hole 43. Specifically, the liquid introduction groove 25 is an arc-shaped groove so as to be fitted to the inner edge of the bearing cover 4, so that the rotary shaft 2 can be rotated.

In this embodiment, the number of the liquid introduction grooves 25, the liquid guide holes 21, and the liquid outlet connectors 22 is three, and the number of the grinding heads on the grinding head mounting beam 200 is also three, so that the grinding heads 300 at different stations are automatically switched to corresponding liquid paths.

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 ensure the strength of the rotating shaft 2 and can also enable the polishing liquid to be rapidly 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 air passage is kept communicated. The air guide groove 23 is arranged close to the outer wall of the rotating shaft 2, the liquid guide hole 21 is close to the through hole of the inner wall of the rotating shaft 2, and the two channels are staggered and do not interfere with each other.

Referring to fig. 2 and fig. 3, a plurality of sealing rings 5 are disposed between the rotating shaft 2 and the bearing gland 4, wherein two sealing rings 5 are disposed at a matching position between an inner wall of the through hole 45 of the bearing gland 4 and the rotating shaft 2 and located between the liquid inlet joint 41 and the liquid introducing groove 25, that is, the two sealing rings 5 are located at two sides of the liquid guiding hole 21, so as to prevent a liquid leakage phenomenon when the polishing liquid is introduced into the liquid guiding hole 21. The two sealing rings 5 are further arranged at the matching position of 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, namely the two sealing rings 5 are located at two sides of the air guide groove 23, so that the phenomenon of air leakage when air paths are communicated is avoided, and the adsorption force of a negative pressure device of the polishing equipment is influenced.

Further, the liquid path switching device of the polishing equipment further comprises a waterproof cover 6 arranged between the bearing 3 and the rotating motor 1, the waterproof cover 6 is covered on the bearing 3, and the polishing liquid is sprayed to the bearing 3 when the polishing equipment is prevented from being polished by the waterproof cover 6, so that the service life of the bearing 3 is prolonged.

Furthermore, the polishing device also comprises a mounting seat 7, the rotating motor 1 is arranged in the mounting seat 7, and the liquid path switching device of the polishing device is arranged on the polishing device through the mounting seat 7.

Based on the liquid path switching device of the polishing equipment, the invention also provides a polishing equipment correspondingly, please refer to fig. 2, fig. 3 and fig. 5, which includes a grinding head mounting beam 200, a plurality of rows of grinding heads 300 arranged on the grinding head mounting beam 200 for polishing, and the liquid path switching device of the polishing equipment, wherein the liquid outlet connector 22 of the liquid path switching device is connected with the liquid inlet hole (not shown in the figure) of the grinding head, and when the liquid path switching device drives the grinding head mounting beam 200 to rotate for switching the grinding head by a preset angle, the corresponding liquid outlet connector 22 is switched to be communicated with the liquid inlet hole of the grinding head arranged correspondingly, so as to supply liquid to the grinding head 300.

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

In summary, according to the polishing apparatus and the liquid path switching device thereof provided by the invention, the gas guide groove and the gas inlet joint of the bearing gland are kept in a communicated state when the rotating shaft rotates, and can be matched with the negative pressure device of the polishing apparatus for sucking glass; when the rotary motor drives the rotary shaft to rotate to switch the grinding heads of the corresponding stations, the rotary shaft rotates to enable a liquid guide hole on the rotary shaft to be communicated with a liquid inlet connector of the bearing gland, so that liquid path communication is achieved, the corresponding liquid outlet connector outputs liquid (such as polishing liquid) to the corresponding grinding head, and the liquid outlet connector is used for spraying the polishing liquid when the grinding head polishes, so that liquid path switching of multiple polishing stations is achieved.

In addition, the invention has simple structure, realizes the automatic switching of the liquid paths, and the air supply and liquid supply pipelines can not be wound in the switching process, thereby being convenient for the station switching operation. And the grinding heads at the same station supply liquid through one liquid guide hole, so that the polishing liquid is uniformly sprayed, and the consistency of product polishing is favorably provided.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.