A water-resistant head assembly for glass processing

Abstract

The application discloses a waterproof grinding head assembly for glass processing, which comprises a base, a waterproof cover, a rotating shaft and a waterproof static ring, the base is provided with an end cover, the end cover is provided with a first shaft hole, the waterproof cover is connected with the end cover, the waterproof cover is provided with a second shaft hole, the rotating shaft is arranged in the first shaft hole and rotationally matched with the second shaft hole, the rotating shaft is connected with a waterproof part, the waterproof static ring is installed in the first shaft hole, a first oil pool is formed between the waterproof static ring and the waterproof part or the waterproof cover, and the first oil pool is filled with high-temperature-resistant lubricating grease. Through the first oil pool, the sealing performance of the grinding head assembly in each direction is improved, water generated during glass processing is prevented from entering the inside of the base, and the service life of the grinding head assembly is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of glass edging machine, in particular to a waterproof grinding head assembly for glass processing. BACKGROUND

[0002] A typical glass (stone) edging machine is composed of multiple grinding head assemblies, a rack, a transmission, a water circulation system, a control circuit and the like. The edging machine needs to be cooled and cleaned by water, and the glass powder (stone powder) generated by grinding will enter the gap between the waterproof cover and the end cover. In particular, some grinding head assemblies are obliquely installed on the edging machine and used for processing glass chamfers. The gap between the inner wall of the waterproof cover and the inner and outer walls of the front end cover is prone to accumulate, deposit and stone when the edging machine stops working. When the gap is full of stones, the resistance of the stones to the rotating shaft exceeds the starting torque of the motor, and the motor cannot rotate. If the cover is forced to open, the motor will be burned, reducing the service life of the grinding head assembly in the edging machine. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the related art. To this end, the present application provides a waterproof grinding head assembly for glass processing, which can effectively improve the sealing performance of the grinding head assembly and prolong the service life of the grinding head assembly.

[0004] The waterproof grinding head assembly for glass processing according to the embodiment of the present application comprises a rack, a waterproof cover, a rotating shaft and a waterproof static ring. The rack is provided with an end cover, and the end cover is provided with a first shaft hole. The waterproof cover is connected with the end cover, and the waterproof cover is provided with a second shaft hole. The rotating shaft is rotatably connected with the rack, and the rotating shaft is arranged in the first shaft hole and rotatably connected with the second shaft hole. The rotating shaft is connected with a waterproof member, and the waterproof member is used to separate the first shaft hole and the second shaft hole. The waterproof static ring is installed in the first shaft hole, and the waterproof member is located on the side of the waterproof static ring away from the waterproof cover. A first oil pool is formed between the waterproof static ring and the waterproof member or the waterproof cover, and the first oil pool surrounds the rotating shaft. The first oil pool is filled with lubricating grease.

[0005] According to an embodiment of the present invention, a waterproof grinding head assembly for glass processing has at least the following beneficial effects: When the grinding head assembly is in operation, the glass powder or stone powder generated during grinding (hereinafter referred to as water; unless otherwise specified, "water" in this document refers to glass powder or stone powder generated during glass processing) will flow into the gap between the waterproof cover and the end cap. At this time, the waterproof stationary ring disposed on the inner wall of the first shaft hole can block the water flow that seeps in from the end cap gap. Since the rotating shaft passes through the first shaft hole and rotates with the second shaft hole, structurally, the first shaft hole and the second shaft hole are connected. Some water flow may also pass through the rotating shaft and the second shaft hole. The gap between the walls of the two shaft holes allows water to enter the machine base. At this time, the waterproof component connected to the shaft can separate the first shaft hole and the second shaft hole, blocking the water flow that seeps in from the gap of the waterproof cover. Even if a small amount of water still passes through the waterproof stationary ring or waterproof component, it will be blocked by the high-temperature resistant grease in the first oil pool. By setting the waterproof stationary ring, the radial sealing of the grinding head assembly can be improved. By setting the waterproof component, the axial sealing of the grinding head assembly can be improved. By setting the first oil pool, the sealing of the grinding head assembly in all directions can be improved, preventing water generated during glass processing from entering the machine base and effectively extending the service life of the grinding head assembly.

[0006] According to some embodiments of the present invention, a skeleton oil seal is installed in the first shaft hole. The skeleton oil seal is located on the side of the waterproof component away from the waterproof stationary ring. The skeleton oil seal is arranged around the rotating shaft and abuts against the rotating shaft. A second oil pool, which is isolated from the first oil pool, is provided on the side of the skeleton oil seal facing the waterproof stationary ring. The second oil pool is also filled with grease.

[0007] According to some embodiments of the present invention, the waterproof component is configured as a waterproof retaining ring, the rotating shaft is provided with an annular groove, the waterproof retaining ring and the annular groove are engaged, and the first oil pool is disposed between the waterproof stationary ring and the waterproof cover.

[0008] According to some embodiments of the present invention, the waterproof ring has a protrusion on the side facing the waterproof cover, the waterproof cover has a receiving groove, the protrusion is partially received in the receiving groove, and there is a gap between the protrusion and the bottom wall of the receiving groove, and the first oil pool is formed between the outer wall surface of the protrusion and the groove wall of the receiving groove.

[0009] According to some embodiments of the present invention, the waterproof cap has a groove on the side facing the end cap, the outer peripheral wall of the end cap has a protrusion, the protrusion is arranged around the end cap, and a first labyrinth is formed between the protrusion and the groove wall.

[0010] According to some embodiments of the present invention, the waterproof component is configured as a waterproof moving ring, the first oil pool is disposed between the waterproof stationary ring and the waterproof moving ring, and the second oil pool is disposed between the skeleton oil seal and the waterproof moving ring.

[0011] According to some embodiments of the present application, the waterproof moving coil is provided with an annular groove on the side facing the waterproof stationary coil, the annular groove is arranged around the rotating shaft, and the first oil pool is formed between the waterproof stationary coil and the groove wall of the annular groove.

[0012] According to some embodiments of the present application, the waterproof rubber ring is installed in the second shaft hole, and the inner wall of the waterproof rubber ring abuts against the rotating shaft.

[0013] According to some embodiments of the present application, the machine base is provided with a bearing, the bearing is located on the side of the skeleton oil seal away from the waterproof part, and the rotating shaft is arranged in the bearing.

[0014] According to some embodiments of the present application, the outer surface of the waterproof cover is provided with an anti-rust coating.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a side view of a waterproof grinding head assembly for glass processing according to a first embodiment of the present application;

[0017] Figure 2 is a half-sectional view of a waterproof grinding head assembly for glass processing according to a first embodiment of the present application;

[0018] Figure 3 is a half-sectional view of a waterproof grinding head assembly for glass processing according to a second embodiment of the present application.

[0019] Reference signs: machine base 100; first shaft hole 101; second oil pool 102; first labyrinth 103; end cover 110; protruding block 111; skeleton oil seal 120; bearing 130; waterproof cover 200; accommodating groove 201; recess 202; second labyrinth 203; waterproof rubber ring 210; rotating shaft 300; annular groove 301; annular groove 302; waterproof part 310; waterproof moving coil 311; waterproof stationary coil 400; first oil pool 401; protruding part 410. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described in detail below with reference to the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0021] In the description of the present application, the meaning of one or more is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, within, etc. are understood as including the number. If it is described that the first, second is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] The embodiments of the present application are further described below with reference to the accompanying drawings.

[0023] Referring to Figures 1 to 3 According to the waterproof grinding head assembly for glass processing, the end cover 110 is provided with the first shaft hole 101, the waterproof cover 200 and the end cover 110 are bolted, the waterproof cover 200 is provided with the second shaft hole (not shown in the figure), the rotating shaft 300 is rotatably connected with the machine base 100, the rotating shaft 300 is arranged in the first shaft hole 101 and rotatably matched with the second shaft hole, the waterproof cover 200 is closely assembled with the rotating shaft 300 in precise dimensions, so that water is prevented from entering from the shaft end, the waterproof part 310 is connected with the rotating shaft 300 and used for separating the first shaft hole 101 and the second shaft hole, the waterproof static ring 400 is installed in the first shaft hole 101, the waterproof part 310 is located on the side of the waterproof static ring 400 away from the waterproof cover 200, the first oil pool 401 is formed between the waterproof static ring 400 and the waterproof part 310 or the waterproof cover 200, the first oil pool 401 is arranged around the rotating shaft 300, the first oil pool 401 is filled with the lubricating grease, and the high-temperature-resistant lubricating grease is a greasy substance resistant to high temperature, wear and water.

[0024] It can be understood that when the grinding head assembly is working, the glass powder or stone powder (hereinafter referred to as water, and "water" in this paper refers to glass powder or stone powder generated in the glass processing process unless otherwise specified) generated by grinding will flow into the gap between the waterproof cover 200 and the end cover 110. At this time, the waterproof static ring 400 arranged on the inner wall of the first shaft hole 101 can block the water flow from the gap between the end cover 110. Since the rotating shaft 300 is arranged in the first shaft hole 101 and is in rotating cooperation with the second shaft hole, the first shaft hole 101 and the second shaft hole are connected in structure, and part of the water flow may also enter the inside of the machine base 100 through the gap between the rotating shaft 300 and the hole wall of the second shaft hole. At this time, the waterproof part 310 connected to the rotating shaft 300 can separate the first shaft hole 101 and the second shaft hole, and block the water flow from the gap between the waterproof cover 200. Even if a small part of the water flow passes through the waterproof static ring 400 or the waterproof part 310, it will be blocked by the high-temperature-resistant grease in the first oil pool 401. By arranging the waterproof static ring 400, the radial sealing performance of the grinding head assembly can be improved. By arranging the waterproof part 310, the axial sealing performance of the grinding head assembly can be improved. By arranging the first oil pool 401, the sealing performance of the grinding head assembly in all directions can be improved. Even if the grinding head assembly is installed in the edging machine from all directions (for example, upward, downward, 45° upward, 45° downward, etc.), the water generated by the attraction of the motor rotation, the penetration of the gravity when the machine stops, and the temperature difference can also be prevented from entering the inside of the machine base 100, effectively prolonging the service life of the grinding head assembly.

[0025] Further, the first shaft hole 101 is provided with a skeleton oil seal 120, which is located on the side of the waterproof part 310 away from the waterproof static ring 400. The skeleton oil seal 120 is arranged around the rotating shaft 300, and the waterproof main lip (not shown in the figure) on the inner side of the skeleton oil seal 120 abuts against the rotating shaft 300. The side of the skeleton oil seal 120 facing the waterproof static ring 400 is provided with a second oil pool 102 which is isolated from the first oil pool 401, and the second oil pool 102 is also filled with high-temperature-resistant grease. The waterproof main lip (not shown in the figure) of the skeleton oil seal 120 is fastened by an elastic rubber ring and has elasticity. By arranging the skeleton oil seal 120, the sealing performance of the grinding head assembly can be further improved without affecting the normal operation of the rotating shaft 300. By arranging the second oil pool 102 on the side of the skeleton oil seal 120 facing the waterproof static ring 400, the second oil pool 102 can also effectively prevent water when the first oil pool 401 dries up and fails after long-term use of the grinding head assembly, further prolonging the service life of the grinding head assembly. The second oil pool 102 can also improve the lubricity between the waterproof main lip of the skeleton oil seal 120 and the rotating shaft 300, ensure that the grinding head assembly can work for a long time without maintenance due to waterproof structure problems, and reduce the maintenance cost of the grinding head assembly in the later period.

[0026] Referring to Figure 1 and Figure 2It can be understood that the waterproof part 310 is arranged as a waterproof blocking ring, the rotating shaft 300 is provided with a ring groove 301, the waterproof blocking ring and the ring groove 301 are in clamping connection, and the first oil pool 401 is arranged between the waterproof static ring 400 and the waterproof cover 200. The waterproof blocking ring has simple structure and is convenient to assemble. By arranging the waterproof blocking ring, the structure of the grinding head assembly can be simplified, and the user is convenient to install and debug. Since the first oil pool 401 is arranged between the waterproof static ring 400 and the waterproof cover 200, that is, the first oil pool 401 is arranged on the side, away from the skeleton oil seal 120, of the waterproof static ring 400, the first oil pool 401 and the second oil pool 102 are separated by the waterproof static ring 400. At this time, the size of the waterproof blocking ring determines the position of the second oil pool 102. When the waterproof blocking ring has a large size, that is, the waterproof blocking ring has a large outer diameter, the waterproof blocking ring blocks the space between the waterproof static ring 400 and the skeleton oil seal 120, and the second oil pool 102 is arranged between the waterproof blocking ring and the skeleton oil seal 120. When the waterproof blocking ring has a small size, that is, the waterproof blocking ring has a small outer diameter, the space between the waterproof static ring 400 and the skeleton oil seal 120 is almost not blocked, and the second oil pool 102 is arranged between the waterproof static ring 400 and the skeleton oil seal 120. In this case, the size of the waterproof blocking ring is not limited in detail, as long as the second oil pool 102 can play a waterproof role.

[0027] Further, the side, facing the waterproof cover 200, of the waterproof static ring 400 is provided with a protruding part 410, the waterproof cover 200 is provided with an accommodating groove 201, the protruding part 410 is partially accommodated in the accommodating groove 201, and there is a gap between the protruding part 410 and the bottom wall of the accommodating groove 201. The outer wall surface of the protruding part 410 and the groove wall of the accommodating groove 201 form the first oil pool 401. When assembling the grinding head assembly, only high-temperature-resistant lubricating grease needs to be filled in the accommodating groove 201, and then the end cover 110 and the waterproof cover 200 are connected, so that the first oil pool 401 filled with high-temperature-resistant lubricating grease is formed. Similarly, the user can remove the waterproof cover 200 to add or replace the high-temperature-resistant lubricating grease in the first oil pool 401, which is convenient for the user to maintain the grinding head assembly. By arranging the protruding part 410, the outer wall surface of the protruding part 410 and the groove wall of the accommodating groove 201 surround the high-temperature-resistant lubricating grease, which can limit the high-temperature-resistant lubricating grease to a certain extent, and effectively improve the operation stability of the high-temperature-resistant lubricating grease in the first oil pool 401.

[0028] Referring to Figure 2It can be understood that the waterproof cover 200 is provided with a groove 202 on the side facing the end cover 110, and the outer peripheral wall of the end cover 110 is provided with a protrusion 111, which is arranged around the end cover 110, and a first labyrinth 103 is formed between the protrusion 111 and the groove wall of the groove 202. Since the first oil pool 401 is arranged between the waterproof static ring 400 and the waterproof cover 200, the water flowing into the end cover 110 and the waterproof cover 200 can quickly reach the first oil pool 401. After long-term operation of the grinding head assembly, water can accumulate in the first oil pool 401, and finally exceed the upper limit of the first oil pool 401, so that the first oil pool 401 is disabled. By arranging the first labyrinth 103, the complexity of the moving path of the water flow in the gap between the end cover 110 and the waterproof cover 200 can be increased, most of the water flow can be blocked at the initial stage of the water flow entering the gap between the end cover 110 and the waterproof cover 200, the operation pressure of the first oil pool 401 is relieved, and the service life of the first oil pool 401 is effectively prolonged.

[0029] Referring to Figure 3 It can be understood that the waterproof member 310 is arranged as a waterproof moving ring 311, the first oil pool 401 is arranged between the waterproof static ring 400 and the waterproof moving ring 311, and the second oil pool 102 is arranged between the skeleton oil seal 120 and the waterproof moving ring 311. By arranging the waterproof member 310 as the waterproof moving ring 311, the waterproof moving ring 311 and the rotating shaft 300 rotate synchronously, which can further improve the sealing performance of the grinding head assembly and the operation stability of the rotating shaft 300. At this time, the first oil pool 401 and the second oil pool 102 are arranged on both sides of the waterproof moving ring 311 respectively, which can effectively distinguish the first oil pool 401 and the second oil pool 102, and improve the structural rationality of the grinding head assembly.

[0030] It should be noted that when the first oil pool 401 is arranged between the waterproof static ring 400 and the waterproof moving ring 311, the waterproof static ring 400 is still provided with the protruding portion 410 structure described above, and the waterproof cover 200 is still provided with the accommodating groove 201 structure described above. However, at this time, the protruding portion 410 and the accommodating groove 201 are not filled with high-temperature-resistant lubricating grease, but a section of tortuous structure is left as a second labyrinth 203. The second labyrinth 203 can increase the complexity of the moving path of the water flow in the gap between the waterproof static ring 400 and the waterproof cover 200, and can also help the rotating shaft 300 to throw out the water, reduce the amount of water reaching the first oil pool 401 between the waterproof static ring 400 and the waterproof moving ring 311, relieve the operation pressure of the first oil pool 401, and effectively prolong the service life of the first oil pool 401.

[0031] Further, the waterproof moving coil 311 is provided with an annular groove 302 on the side facing the waterproof stationary coil 400, the annular groove 302 is arranged around the rotating shaft 300, and the first oil pool 401 is formed between the waterproof stationary coil 400, the groove wall of the annular groove 302 and the waterproof cover 200. Since the waterproof moving coil 311 rotates with the rotating shaft 300, the annular groove 302 is needed to limit the high-temperature-resistant lubricating grease in the axial direction of the rotating shaft 300, so as to avoid that the high-temperature-resistant lubricating grease in the first oil pool 401 moves towards the second oil pool 102 due to the attraction of motor rotation, gravity penetration, temperature difference and other factors during the operation of the inclinedly installed grinding head assembly, which affects the normal operation of the first oil pool 401. By arranging the annular groove 302, the structural stability of the first oil pool 401 can be further improved, and the operation stability of the high-temperature-resistant lubricating grease in the first oil pool 401 can be improved.

[0032] Further, the waterproof rubber ring 210 is installed in the second shaft hole, the rotating shaft 300 penetrates the waterproof rubber ring 210, and the inner wall of the waterproof rubber ring 210 abuts against the rotating shaft 300. Since the waterproof moving coil 311 is sleeved on the rotating shaft 300, the water penetrating into the first shaft hole 101 from the axial direction of the rotating shaft 300 will first contact the waterproof moving coil 311 and then enter the first oil pool 401. By arranging the waterproof rubber ring 210, the sealing performance of the grinding head assembly in the axial direction of the rotating shaft 300 can be further improved, most of the water penetrating into the first shaft hole 101 from the axial direction of the rotating shaft 300 can be blocked, the contact between the water and the waterproof moving coil 311 can be reduced, and the service life of the waterproof moving coil 311 can be effectively prolonged.

[0033] Referring to Figure 2 and Figure 3 , the machine base 100 is provided with a bearing 130, the bearing 130 is located on the side of the skeleton oil seal 120 away from the waterproof part 310, and the rotating shaft 300 penetrates the bearing 130. By arranging the bearing 130, the operation stability of the rotating shaft 300 can be effectively improved, and the operation efficiency of the grinding head assembly can be improved.

[0034] Further, the outer surface of the waterproof cover 200 is provided with a rust-proof coating, and the rust-proof coating is made by a nitrogen-carbon-oxygen composite treatment process. Before assembling the grinding head assembly, the outer surface of the waterproof cover 200 needs to be subjected to nitrogen-carbon-oxygen composite treatment, so that the outer surface of the waterproof cover 200 is coated with the rust-proof coating. The rust-proof coating as the outermost waterproof structure of the grinding head assembly can effectively improve the corrosion resistance and rust-proof ability of the waterproof cover 200, so that the surface of the waterproof cover 200 is not rusty and does not stick glass powder and stone powder (i.e. the solid form of “water” described above) during the operation of the grinding head assembly, the appearance of the grinding head assembly is effectively improved, and the service life of the grinding head assembly is further prolonged.

[0035] The above is a specific description of the preferred embodiment of the present application, but the present application is not limited to the above-described embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A water-resistant head assembly for glass processing, characterized by, The utility model relates to a waterproof bearing structure of a motor, which comprises: a base provided with an end cover, the end cover being provided with a first shaft hole; a waterproof cover connected with the end cover, the waterproof cover being provided with a second shaft hole; a rotating shaft rotatably connected with the base, the rotating shaft being arranged in the first shaft hole and rotatably matched with the second shaft hole, the rotating shaft being connected with a waterproof part for separating the first shaft hole and the second shaft hole; a waterproof static ring mounted on the first shaft hole, the waterproof part being located on a side of the waterproof static ring away from the waterproof cover, a first oil pool being formed between the waterproof static ring and the waterproof part or the waterproof cover, the first oil pool being arranged around the rotating shaft and filled with lubricating grease; wherein a skeleton oil seal is mounted on the first shaft hole, the skeleton oil seal being located on a side of the waterproof part away from the waterproof static ring, the skeleton oil seal being arranged around the rotating shaft and abutting against the rotating shaft, a second oil pool being formed on a side of the skeleton oil seal facing the waterproof static ring, the second oil pool being also filled with lubricating grease.

2. A water-resistant head assembly for glass processing as defined in claim 1, wherein, The waterproof part is arranged as a waterproof baffle ring, the rotating shaft is provided with a ring groove, the waterproof baffle ring is clamped and matched with the ring groove, and the first oil pool is arranged between the waterproof static ring and the waterproof cover.

3. A water-resistant head assembly for glass processing as defined in claim 2, wherein, A protruding part is arranged on a side of the waterproof static ring facing the waterproof cover, the waterproof cover is provided with a containing groove, the protruding part is partially contained in the containing groove, a gap is formed between the protruding part and a bottom wall of the containing groove, and the first oil pool is formed between an outer wall surface of the protruding part and a groove wall of the containing groove.

4. A water-resistant head assembly for glass processing according to claim 2 or 3, wherein A recess is arranged on a side of the waterproof cover facing the end cover, an outer peripheral wall of the end cover is provided with a protruding block, the protruding block is arranged around the end cover, and a first labyrinth is formed between the protruding block and a groove wall of the recess.

5. A water-resistant head assembly for glass processing as defined in claim 1, wherein, The waterproof part is arranged as a waterproof dynamic ring, the first oil pool is arranged between the waterproof static ring and the waterproof dynamic ring, and the second oil pool is arranged between the skeleton oil seal and the waterproof dynamic ring.

6. A water-resistant head assembly for glass processing as defined in claim 5, wherein, A ring-shaped groove is arranged on a side of the waterproof dynamic ring facing the waterproof static ring, the ring-shaped groove is arranged around the rotating shaft, and the first oil pool is formed between the waterproof static ring and a groove wall of the ring-shaped groove.

7. A water-resistant head assembly for glass processing as claimed in claim 5 or 6, wherein, A waterproof rubber ring is mounted on the second shaft hole, and an inner wall of the waterproof rubber ring abuts against the rotating shaft.

8. A water-resistant head assembly for glass processing as defined in claim 1, wherein, A bearing is mounted on the base, the bearing being located on a side of the skeleton oil seal away from the waterproof part, and the rotating shaft is arranged in the bearing.

9. A water-resistant head assembly for glass processing as defined in claim 1, wherein, An anti-rust coating is arranged on an outer surface of the waterproof cover.

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