CN219380358U - Anti-flying disc star wheel loading device and polishing equipment - Google Patents
Anti-flying disc star wheel loading device and polishing equipment Download PDFInfo
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- CN219380358U CN219380358U CN202320730406.XU CN202320730406U CN219380358U CN 219380358 U CN219380358 U CN 219380358U CN 202320730406 U CN202320730406 U CN 202320730406U CN 219380358 U CN219380358 U CN 219380358U
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Abstract
The utility model provides a flying disc-free star wheel loading device and polishing equipment, which comprise a machine table, wherein a sun wheel gear ring, a lower disc and an inner gear ring are sleeved on the machine table from inside to outside in sequence, an upper disc is erected above the lower disc, the sun wheel gear ring is driven by a first rotating mechanism, the lower disc is driven by a second rotating mechanism, the inner gear ring is driven by a third rotating mechanism, and the upper disc is driven by a lifting mechanism; the inner part of the lower disc is provided with a planetary gear which is in tooth meshing connection with the sun gear ring/the inner gear ring, a plurality of balls are embedded on the planetary gear, and the balls are in rolling and sliding connection with the lower disc/the upper disc. According to the utility model, the sun gear ring, the lower disc and the inner gear ring respectively adopt independent driving sources to keep synchronous and same-angular-speed motion, and the product and the free star wheel are kept relatively static during polishing motion, so that the flying disc phenomenon is effectively avoided. The rolling balls are utilized to enable the two side faces of the planetary wheel to improve the smoothness of movement, so that friction resistance is effectively reduced, the planetary wheel is ensured to be consistent with a product, and the phenomenon of flying disc is further avoided.
Description
Technical Field
The utility model belongs to the technical field of machinery, and relates to a grinding part, in particular to a fly-disc-free star wheel loading device and polishing equipment.
Background
As is well known, mobile phones have become necessary in life and work of people, and the requirements of people on external aesthetic feeling and hand feeling of mobile phones are also increasing, so that the rear cover of the mobile phone is gradually replaced by ceramic and glass from metal materials, and the grinding and polishing steps of the rear cover of the mobile phone are indispensable, but the processing of the rear cover of the mobile phone is a difficult problem, and the ceramic and the glass are difficult to process, and have very high hardness and very brittle.
The grinding process can only be carried out after the semi-finished product, in the existing grinding machine, the sun gear and the ring gear are controlled by one motor, the lower disc and the ring gear are controlled by the same motor, and the lower disc and the ring gear have a certain speed ratio relation. In the process of manually placing glass/ceramic into the star wheel cavity, when the sun gear ring, the lower disc and the inner gear ring move, the glass in the star wheel cavity and the star wheel have certain interaction force, and in addition, the star wheel has very thin thickness, so that the glass easily runs out of the star wheel cavity to cause a material flying phenomenon. In addition, the surface of the free star wheel is simultaneously rubbed in the existing grinding process, so that the running resistance of the free star wheel is increased, the free star wheel and glass/ceramic are easily displaced, and the hidden danger of material flying exists; furthermore, the abrasion of the star wheel is easy to be caused by long-term friction, and the service life is shortened.
For example, chinese patent literature discloses a polishing tool for single-sided thinning of materials [ chinese patent No.: 201721102306.3 the utility model discloses a grinding jig for single-sided thinning of materials. Wherein: the upper end face of the planetary wheel is fixedly provided with uniformly distributed universal balls; clamping grooves which are uniformly distributed are formed in the lower end face of the free star wheel; the outer edge of the circular arc of the planetary wheel is provided with uniformly distributed convex teeth to form an outer gear ring, and the utility model has the advantages that: simple structure and easy operation.
In the above technical scheme, although the balls are arranged on the star wheel, the balls are only arranged on one side of the star wheel, and the protruding parts are required to be arranged on the surface of the star wheel for arranging the balls, so that the manufacturing is complicated, the cost is high, the single-side rolling and the single-side polishing can be realized, and the use limitation exists.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides an anti-flying disc star wheel loading device and polishing equipment, which are used for clamping balls in a star wheel to form double-sided rolling and sliding and double-sided polishing and improving the smoothness of a travelling bit stream.
The aim of the utility model can be achieved by the following technical scheme: the star wheel loading device comprises a machine table, wherein a sun wheel gear ring, a lower disc and an inner gear ring are sleeved on the machine table from inside to outside in sequence, an upper disc is erected above the lower disc, the sun wheel gear ring is driven by a first rotating mechanism, the lower disc is driven by a second rotating mechanism, the inner gear ring is driven by a third rotating mechanism, and the upper disc is driven by a lifting mechanism; the inner gear ring is meshed with the sun gear, a plurality of balls are embedded in the inner gear ring, and the balls are connected with the lower plate and the upper plate in a rolling and sliding mode.
In the above-mentioned anti-flying disc star wheel loading device, the star wheel comprises a wheel disc I and a wheel disc II which are closely attached, a plurality of conical holes I are formed in the wheel disc I, a plurality of conical holes II are correspondingly formed in the wheel disc II, large-diameter holes of the conical holes I are in butt joint with large-diameter holes of the conical holes II to form a ball cavity, and balls are placed in the ball cavity to form rolling and sliding connection, so that two sides of the balls are respectively exposed from small-diameter holes of the conical holes I and small-diameter holes of the conical holes II.
In the above-mentioned anti-flying disc star wheel loading device, the first wheel disc is provided with a plurality of first block windows, the second wheel disc is correspondingly provided with a plurality of second block windows, and the first wheel disc is attached to the second wheel disc to enable the first block windows to be in one-to-one correspondence with the second block windows.
In the anti-flying disc star wheel loading device, an adhesive layer is coated between the joint surfaces of the first wheel disc and the second wheel disc.
In the anti-flying disc star wheel loading device, a plurality of positioning pins are convexly arranged on the joint surface of the first wheel disc/the second wheel disc, a plurality of positioning holes are concavely arranged on the joint surface of the second wheel disc/the first wheel disc, and a plurality of positioning pins are correspondingly connected with a plurality of positioning holes in a penetrating manner one by one to form interference clamping.
In the above-mentioned anti-flying disc star wheel loading device, the periphery of the first wheel disc and/or the second wheel disc is uniformly provided with a plurality of teeth, a plurality of first tooth columns are erected on the periphery of the sun gear ring, a plurality of second tooth columns are erected on the periphery of the inner gear ring, and the teeth are in tooth meshing connection with the first tooth columns/the second tooth columns.
In the above-mentioned anti-fly disc star wheel loading device, the first rotating mechanism comprises a first servo motor, and the first servo motor is connected with the central shaft of the sun gear ring through a first gear component in a transmission way; the second rotating mechanism comprises a second servo motor, and the second servo motor is in transmission connection with the middle shaft of the lower disc through a second gear assembly; the third rotating mechanism comprises a third servo motor, and the third servo motor is in transmission connection with the center shaft of the inner gear ring through a third gear assembly.
In the above-mentioned anti-fly disc planetary gear carrier, the first gear assembly/second gear assembly/third gear assembly comprises a first bevel gear fixedly sleeved on the first rotation shaft of the first servo motor/second servo motor/third servo motor, a second bevel gear fixedly sleeved on the middle shaft of the middle shaft/lower disc of the sun gear/middle shaft of the inner gear ring, and the first bevel gear and the second bevel gear form tooth meshing connection.
In the above-mentioned anti-flying disc star wheel loading device, the truss is fixedly arranged on the machine table, the lifting mechanism comprises a lifting cylinder fixedly arranged on the truss, the lifting cylinder is downwards connected with the upper disc fixedly through a telescopic rod, and the upper disc is movably pressed with a disc cover.
The polishing equipment comprises the anti-flying disc star wheel loading device.
Compared with the prior art, the anti-flying disc star wheel loading device and the polishing equipment have the following beneficial effects:
1. the sun gear ring, the lower disc and the inner gear ring respectively adopt independent driving sources, so that the sun gear ring, the lower disc and the inner gear ring are respectively controlled to keep synchronous and same-angular-speed movement, and during rotary polishing movement, the product and the planetary gear are kept relatively static, so that interaction force does not exist, and the phenomenon of flying disc is effectively avoided.
2. The rolling balls are utilized to enable the two side surfaces of the star wheel to improve the smoothness of movement through rolling and sliding, so that the friction resistance is effectively reduced, the star wheel is ensured to be consistent with a product, and the phenomenon of flying disc is further avoided; meanwhile, the rolling and sliding movement protects the surface of the star wheel, which is beneficial to prolonging the service life.
Drawings
Fig. 1 is a perspective view of the outer shape of the star wheel loading device for preventing flying discs.
Fig. 2 is an internal perspective view of the anti-fly-disk star wheel loading device.
Fig. 3 is a partial cross-sectional structure diagram of a star wheel in the anti-fly disk star wheel loading device.
In the figure, 1, a machine; 2. a sun gear ring; 3. a lower plate; 4. an inner gear ring; 5. truss; 6. a lifting cylinder; 7. a top plate; 8. a star wheel; 8a, a first wheel disc; 8b, a wheel disc II; 8c, positioning pins; 9. and (3) rolling balls.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1 to 3, the anti-flying disc star wheel loading device comprises a machine 1, wherein a sun wheel gear ring 2, a lower disc 3 and an inner gear ring 4 are sleeved on the machine 1 from inside to outside in sequence, an upper disc 7 is erected above the lower disc 3, the sun wheel gear ring 2 is driven by a first rotating mechanism, the lower disc 3 is driven by a second rotating mechanism, the inner gear ring 4 is driven by a third rotating mechanism, and the upper disc 7 is driven by a lifting mechanism; the inner part of the lower disc 3 is provided with a planetary gear, the planetary gear is in tooth engagement with the sun gear ring 2/the inner gear ring 4, a plurality of balls 9 are embedded on the planetary gear, and the balls 9 are in rolling and sliding connection with the lower disc 3/the upper disc 7.
The planetary wheel comprises a wheel disc I8 a and a wheel disc II 8b which are closely adhered, wherein a plurality of conical holes I are formed in the wheel disc I8 a, a plurality of conical holes II are correspondingly formed in the wheel disc II 8b, large-diameter holes of the conical holes I are in butt joint with large-diameter holes of the conical holes II to form a ball cavity, and balls 9 are placed in the ball cavity to form rolling and sliding connection, so that two sides of the balls 9 are exposed from small-diameter holes of the conical holes I and the small-diameter holes of the conical holes II respectively.
The ball 9 is restrained in the spherical cavity by utilizing the characteristics of large diameter in the middle of the spherical cavity and small diameters of two ports, and meanwhile, the ball 9 can be ensured to rotate, so that when the planetary wheel rotates, the ball 9 rolls and slides, the sliding smoothness of the planetary wheel is improved, the resistance is reduced, and the relative displacement between the planetary wheel and a product is avoided.
A plurality of first embedded material windows are formed in the first wheel disc 8a, a plurality of second embedded material windows are correspondingly formed in the second wheel disc 8b, and the first wheel disc 8a is attached to the second wheel disc 8b so that the first embedded material windows are in one-to-one correspondence with the second embedded material windows. The first and second embedded windows are communicated to form a complete embedded window, and the product is placed into the complete embedded window to expose the surfaces of two sides of the product so as to facilitate polishing. The conical hole I is arranged on the wheel disc I8 a between the adjacent embedded material windows I; the conical hole II is arranged on the wheel disc II 8b between the adjacent material-embedding windows II.
An adhesive layer is coated between the joint surfaces of the first wheel disc 8a and the second wheel disc 8 b. Firstly, putting the balls 9 into the ball cavities, and then firmly adhering and fixedly connecting the first wheel disc 8a and the second wheel disc 8b through gluing.
The periphery of the first wheel disc 8a and/or the second wheel disc 8b is uniformly provided with a plurality of teeth, a plurality of first teeth columns are erected on the periphery of the sun gear ring 2, a plurality of second teeth columns are erected on the periphery of the inner gear ring 4, and the teeth are in tooth meshing connection with the first teeth columns/the second teeth columns.
At least one of the first wheel disc 8a and the second wheel disc 8b is provided with teeth, and when the two wheel discs are provided with teeth, the teeth are matched when the two wheel discs are jointed. When the sun gear ring 2 and the inner gear ring 4 rotate, the planetary gears are driven to rotate in a tooth meshing transmission mode, so that double-sided polishing of products is realized.
The first rotating mechanism comprises a first servo motor which is connected with a central shaft of the sun gear ring 2 through a first gear assembly in a transmission way; the second rotating mechanism comprises a second servo motor, and the second servo motor is in transmission connection with a middle shaft of the lower disc 3 through a second gear assembly; the rotating mechanism III comprises a servo motor III which is connected with the middle shaft of the inner gear ring 4 through a gear assembly III in a transmission way.
The sun gear ring 2, the lower disc 3 and the inner gear ring 4 are respectively driven in a rotating way through different power sources, so that the sun gear ring 2, the lower disc 3 and the inner gear ring 4 can be regulated and controlled at different rotating speeds, the sun gear ring 2, the lower disc 3 and the inner gear ring 4 can keep synchronous and same-angular-speed movement, when the star wheel filled with products moves, the products in the material embedding window and the star wheel are relatively static, no interaction force exists, and the products are effectively prevented from flying out of the material embedding window.
The first gear assembly/the second gear assembly/the third gear assembly comprises a bevel gear I fixedly sleeved on a rotating shaft of the first servo motor/the second servo motor/the third servo motor, a bevel gear II is fixedly sleeved on a center shaft of the sun gear ring 2/a center shaft of the lower disc 3/a center shaft of the inner gear ring 4, and the bevel gear I and the bevel gear II form tooth meshing connection. The diameter ratio and the gear ratio of the bevel gear I and the bevel gear II are adjusted, so that the proportion of the rotation speed transmission can be regulated, and the respective control of the sun gear ring 2, the lower disc 3 and the inner gear ring 4 can be realized.
The machine table 1 is fixedly provided with a truss 5, the lifting mechanism comprises a lifting cylinder 6 fixedly arranged on the truss 5, a telescopic rod with the lifting cylinder 6 downwards is fixedly connected with an upper disc 7, and a disc cover is movably pressed on the upper disc 7.
The anti-flying disc star wheel loading device has the following action modes:
the method comprises the steps of placing a planetary disc 8 on a lower disc 3, enabling the planetary disc 8, a sun gear ring 2 and an inner gear ring 4 to form tooth meshing, placing products into a material embedding window of the planetary disc 8, lowering an upper disc 7 to press the planetary disc 8, respectively rotating the sun gear ring 2, the lower disc 3 and the inner gear ring 4 according to a set speed, enabling the planetary disc 8 to rotate and displace through tooth meshing transmission, enabling balls 9 to roll correspondingly, and polishing two sides of the products.
Compared with the prior art, the anti-flying disc star wheel loading device has the following beneficial effects:
1. the sun gear ring, the lower disc and the inner gear ring respectively adopt independent driving sources, so that the sun gear ring, the lower disc and the inner gear ring are respectively controlled to keep synchronous and same-angular-speed movement, and during rotary polishing movement, the product and the planetary gear are kept relatively static, so that interaction force does not exist, and the phenomenon of flying disc is effectively avoided.
2. The rolling balls are utilized to enable the two side surfaces of the star wheel to improve the smoothness of movement through rolling and sliding, so that the friction resistance is effectively reduced, the star wheel is ensured to be consistent with a product, and the phenomenon of flying disc is further avoided; meanwhile, the rolling and sliding movement protects the surface of the star wheel, which is beneficial to prolonging the service life.
Example two
This embodiment is substantially the same as the first embodiment except that:
as shown in fig. 3, a plurality of positioning pins 8c are convexly arranged on the joint surface of the first wheel disc 8 a/the second wheel disc 8b, a plurality of positioning holes are concavely arranged on the joint surface of the second wheel disc 8 b/the first wheel disc 8a, and the plurality of positioning pins 8c are correspondingly connected with the plurality of positioning holes in a penetrating manner one by one to form interference clamping connection. Firstly, putting the balls 9 into the ball cavities correspondingly, then buckling the first wheel disc 8a and the second wheel disc 8b, and fixedly penetrating the positioning holes through the positioning pins 8c to realize the fastening connection of the first wheel disc and the second wheel disc.
Example III
Based on the first embodiment and the second embodiment, the difference in this embodiment is:
the polishing equipment comprises the anti-flying disc star wheel loading device.
Compared with the prior art, the polishing equipment has the following beneficial effects:
1. the sun gear ring, the lower disc and the inner gear ring respectively adopt independent driving sources, so that the sun gear ring, the lower disc and the inner gear ring are respectively controlled to keep synchronous and same-angular-speed movement, and during rotary polishing movement, the product and the planetary gear are kept relatively static, so that interaction force does not exist, and the phenomenon of flying disc is effectively avoided.
2. The rolling balls are utilized to enable the two side surfaces of the star wheel to improve the smoothness of movement through rolling and sliding, so that the friction resistance is effectively reduced, the star wheel is ensured to be consistent with a product, and the phenomenon of flying disc is further avoided; meanwhile, the rolling and sliding movement protects the surface of the star wheel, which is beneficial to prolonging the service life.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the machine 1 is used more herein; a sun gear ring 2; a lower plate 3; an inner gear ring 4; truss 5; a lifting cylinder 6; an upper plate 7; a star wheel 8; wheel disc one 8a; wheel disc II 8b; a positioning pin 8c; ball 9, etc., but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (10)
1. The star wheel loading device for preventing the flying disc from flying comprises a machine table, and is characterized in that a sun wheel gear ring, a lower disc and an inner gear ring are sleeved on the machine table from inside to outside in sequence, an upper disc is erected above the lower disc, the sun wheel gear ring is driven by a first rotating mechanism, the lower disc is driven by a second rotating mechanism, the inner gear ring is driven by a third rotating mechanism, and the upper disc is driven by a lifting mechanism; the inner gear ring is meshed with the sun gear, a plurality of balls are embedded in the inner gear ring, and the balls are connected with the lower plate and the upper plate in a rolling and sliding mode.
2. The anti-flying disc star wheel loading device according to claim 1, wherein the star wheel comprises a wheel disc I and a wheel disc II which are closely attached, a plurality of conical holes I are formed in the wheel disc I, a plurality of conical holes II are correspondingly formed in the wheel disc II, large-diameter holes of the conical holes I are in butt joint with large-diameter holes of the conical holes II to form a ball cavity, and balls are placed in the ball cavity to form rolling and sliding connection, so that two sides of the balls are exposed from small-diameter holes of the conical holes I and small-diameter holes of the conical holes II respectively.
3. The anti-fly wheel star wheel loading device according to claim 2, wherein a plurality of first embedded material windows are formed in the first wheel disc, a plurality of second embedded material windows are correspondingly formed in the second wheel disc, and the first wheel disc is attached to the second wheel disc so that the plurality of first embedded material windows are in one-to-one correspondence with the plurality of second embedded material windows.
4. The anti-fly wheel star wheel loading device according to claim 2, wherein an adhesive layer is coated between the joint surfaces of the first wheel disc and the second wheel disc.
5. The anti-fly wheel star wheel loading device according to claim 2, wherein a plurality of positioning pins are convexly arranged on the joint surface of the first wheel disc/the second wheel disc, a plurality of positioning holes are concavely arranged on the joint surface of the second wheel disc/the first wheel disc, and the positioning pins are correspondingly connected with the positioning holes in a penetrating manner one by one to form interference clamping connection.
6. The anti-fly disc planet carrier according to claim 2, wherein a plurality of teeth are uniformly arranged on the periphery of the first wheel disc and/or the second wheel disc, a plurality of first tooth columns are erected on the periphery of the sun gear ring, a plurality of second tooth columns are erected on the periphery of the inner gear ring, and the teeth are in tooth meshing connection with the first tooth columns/the second tooth columns.
7. The anti-fly disc star wheel loading device according to claim 1, wherein the first rotating mechanism comprises a first servo motor, and the first servo motor is in transmission connection with a central shaft of the sun gear ring through a first gear assembly; the second rotating mechanism comprises a second servo motor, and the second servo motor is in transmission connection with the middle shaft of the lower disc through a second gear assembly; the third rotating mechanism comprises a third servo motor, and the third servo motor is in transmission connection with the center shaft of the inner gear ring through a third gear assembly.
8. The anti-fly disc satellite wheel loading device according to claim 7, wherein the first gear assembly/the second gear assembly/the third gear assembly comprises a first bevel gear fixedly sleeved on a first servo motor/a second servo motor/a third servo motor rotating shaft, a second bevel gear fixedly sleeved on a middle shaft of a middle shaft/a lower disc of the sun gear ring/a middle shaft of an inner gear ring, and the first bevel gear and the second bevel gear form tooth meshing connection.
9. The flying disc-preventing star wheel loading device according to claim 1, wherein a truss is fixedly arranged on the machine table, the lifting mechanism comprises a lifting cylinder fixedly arranged on the truss, a telescopic rod of the lifting cylinder facing downwards is fixedly connected with the upper disc, and a disc cover is movably pressed on the upper disc.
10. A polishing apparatus comprising the flying disc-free star wheel carrier as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320730406.XU CN219380358U (en) | 2023-04-04 | 2023-04-04 | Anti-flying disc star wheel loading device and polishing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320730406.XU CN219380358U (en) | 2023-04-04 | 2023-04-04 | Anti-flying disc star wheel loading device and polishing equipment |
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| CN219380358U true CN219380358U (en) | 2023-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020937A (en) * | 2023-08-30 | 2023-11-10 | 通威微电子有限公司 | Silicon carbide wafer processing system and method |
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- 2023-04-04 CN CN202320730406.XU patent/CN219380358U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020937A (en) * | 2023-08-30 | 2023-11-10 | 通威微电子有限公司 | Silicon carbide wafer processing system and method |
| CN117020937B (en) * | 2023-08-30 | 2024-01-30 | 通威微电子有限公司 | Silicon carbide wafer processing system and method |
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