CN216422139U - Burnishing machine is used in glass production with locate function - Google Patents
Burnishing machine is used in glass production with locate function Download PDFInfo
- Publication number
- CN216422139U CN216422139U CN202122641633.9U CN202122641633U CN216422139U CN 216422139 U CN216422139 U CN 216422139U CN 202122641633 U CN202122641633 U CN 202122641633U CN 216422139 U CN216422139 U CN 216422139U
- Authority
- CN
- China
- Prior art keywords
- threaded rod
- glass
- machine body
- glass production
- reverse threaded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011521 glass Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000005498 polishing Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the field of glass processing, in particular to a polishing machine with a positioning function for glass production, which comprises a machine body, an operating platform and a protection plate; the upper end of the machine body is provided with an operating platform, and the rear end of the protection plate is inserted into the upper end of the machine body; the upper end of the operating platform is provided with a positioning structure, the positioning structure comprises a reverse threaded rod, a clamping plate, bolts, a transmission unit and a handle, the reverse threaded rod is movably arranged inside the operating platform through a bearing, the left end and the right end of the reverse threaded rod are both sleeved with threaded sleeves, the lower end of the clamping plate is inserted into the inner part of the upper end of the threaded sleeve, the front end and the rear end between the clamping plate and the threaded sleeves are both provided with bolts, and a plurality of groups of cushion pads are glued on the inner side of the clamping plate; the problem of the operation panel be not convenient for prevent squinting to glass is solved, through location structure, the operating personnel of being convenient for polishes the operation to glass, has improved the convenience of operation, has improved the efficiency of polishing operation simultaneously.
Description
Technical Field
The utility model relates to a glass processing field specifically is a burnishing machine is used in glass production with locate function.
Background
Along with the progress and development of society, the use of glass is also more and more extensive, and glass can leave burr and scratch after the machine-shaping, in order not to influence the result of use, generally need to use the burnishing machine to polish it.
The polishing machine is also a grinding machine and is often used for mechanical grinding, polishing and waxing, a sponge or wool polishing disc on the polishing machine is driven to rotate at a high speed by a motor, and the polishing disc and a polishing agent act together and rub the surface to be polished of the glass, so that the aims of removing paint surface pollution, an oxide layer and shallow marks can be achieved.
When the existing polishing machine is used, glass is generally directly placed on an operation table and then polished by a polishing disc, and the glass is easy to shift in the operation process; therefore, a polishing machine with a positioning function for glass production is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to compensate the not enough of prior art, current burnishing machine is not convenient for carry out the problem of location processing to glass, the utility model provides a burnishing machine is used in glass production with locate function.
The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a polishing machine with positioning function for glass production, which comprises a machine body, an operation table and a protection plate; the upper end of the machine body is provided with an operating platform, and the rear end of the protection plate is inserted into the upper end of the machine body;
the utility model discloses a glass polishing machine, including operation panel, clamping plate, bolt, transmission unit, handle, clamping plate, set up location structure on the operation panel, location structure includes reverse threaded rod, clamping plate, bolt, transmission unit and handle, reverse threaded rod passes through bearing movable mounting in the inside of operation panel, both ends are all overlapped and are equipped with the thread bush about reverse threaded rod, the inside of locating the thread bush upper end is inserted to the lower extreme of clamping plate, both ends all are provided with the bolt around between clamping plate and the thread bush, the inboard glue of clamping plate has the multiunit blotter, be provided with transmission unit between reverse threaded rod middle-end and the handle, solved the operation panel and be not convenient for prevent the problem that squints to glass, through location structure, the operating personnel of being convenient for polishes the operation to glass, has improved the convenience of operation.
Preferably, the transmission unit includes first conical gear, second conical gear and axis of rotation, first conical gear rigid coupling is in reverse threaded rod middle-end, the axis of rotation rigid coupling is in handle rear side, axis of rotation rear side rigid coupling has second conical gear, and intermeshing between second conical gear and the first conical gear, has improved the practicality of operation, has improved operating personnel pivoted convenience simultaneously.
Preferably, both ends all set up the ball about the operation panel, and the ball surface laminates with the axis of rotation outside each other, has improved the smooth and easy nature when rotating, has reduced operating personnel's labour.
Preferably, the organism upper end sets up quick detach structure, quick detach structure includes inserted bar and support element, and is two sets of the inserted bar passes through support element movable mounting in the inside at both ends about the organism upper end, inserted bar one end is inserted and is located the inside of guard plate rear end, inserted bar opposite side rigid coupling dead lever, and the outside cover of dead lever establish reset spring, dead lever opposite side rigid coupling pull ring has solved the organism and has not been convenient for carry out the problem of dismantling to the guard plate, through quick detach structure, is convenient for dismantle the operation to the guard plate, has improved the ease for use of operation, has saved the time of dismantling.
Preferably, the supporting unit includes slide rail, connecting rod and cover block, and is two sets of the slide rail is all installed in the inside at both ends about the organism upper end, slide rail middle-end rigid coupling connecting rod, and the outside movable mounting cover block of connecting rod, cover block top rigid coupling inserted bar bottom has improved the convenience of removal, plays spacing effect to the inserted bar simultaneously.
Preferably, the inside sticky block rubber at both ends about the guard plate rear end, and the block rubber is the ramp design, block rubber one end and the inside mutual block of inserted bar, the block rubber plays the effect of buffering to the inserted bar, has improved the fixity between inserted bar and the guard plate simultaneously.
The utility model discloses an useful part lies in:
1. the utility model discloses a with glass place the top of operation panel, then rotate the handle, two sets of grip blocks move relatively, until move the blotter inboard to with the glass outside laminating each other, thereby realized carrying out the function of centre gripping to glass, solved the operation panel and be not convenient for carry out the problem of preventing squinting to glass, through location structure, be convenient for operating personnel to carry out the polishing operation to glass, improved the convenience of operation, improved the efficiency of polishing operation simultaneously;
2. the utility model discloses a stimulate the pull ring to keeping away from guard plate one end, move out the inside of guard plate until inserted bar one end, then with guard plate forward movement until the inside of shifting out organism upper end to solved the organism and be not convenient for carry out the problem of dismantling to the guard plate, through the quick detach structure, be convenient for dismantle the operation to the guard plate, improved the ease for use of operation, saved the time of dismantling, be convenient for wash the guard plate after dismantling simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of a first embodiment;
FIG. 2 is a schematic cross-sectional front view illustrating a structure of the first embodiment;
FIG. 3 is a schematic side sectional view illustrating a first embodiment of the present invention;
FIG. 4 is an enlarged structural view of the first embodiment at A in FIG. 2;
FIG. 5 is an enlarged structural diagram of a portion B in FIG. 2 according to the first embodiment;
FIG. 6 is an enlarged structural view of the first embodiment at C in FIG. 3;
fig. 7 is a schematic partial side cross-sectional structure diagram according to the second embodiment.
In the figure: 110. a body; 120. an operation table; 130. a protection plate; 210. a reverse threaded rod; 220. a threaded sleeve; 230. a clamping plate; 240. a cushion pad; 250. a bolt; 260. a transmission unit; 270. a handle; 280. a ball bearing; 310. inserting a rod; 320. a support unit; 330. fixing the rod; 340. a return spring; 350. a pull ring; 360. a rubber block; 370. extruding the block; 380. a telescoping spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 6, a polishing machine with positioning function for glass production includes a machine body 110, an operation table 120 and a protection plate 130; the operating table 120 is installed at the upper end of the machine body 110, and the rear end of the protection plate 130 is inserted into the interior of the upper end of the machine body 110;
the upper end of the operating platform 120 is provided with a positioning structure, the positioning structure comprises a reverse threaded rod 210, a clamping plate 230, bolts 250, a transmission unit 260 and a handle 270, the reverse threaded rod 210 is movably mounted inside the operating platform 120 through a bearing, the left end and the right end of the reverse threaded rod 210 are both sleeved with threaded sleeves 220, the lower end of the clamping plate 230 is inserted into the inner part of the upper end of the threaded sleeves 220, the bolts 250 are arranged at the front end and the rear end between the clamping plate 230 and the threaded sleeves 220, a plurality of groups of cushion pads 240 are glued on the inner side of the clamping plate 230, and the transmission unit 260 is arranged between the middle end of the reverse threaded rod 210 and the handle 270; when the glass polishing device works, when the operation table 120 is required to clamp and position glass to be polished, firstly, the glass is placed at the top end of the operation table 120, then the handle 270 is rotated, the reverse threaded rod 210 is driven to rotate under the matching action of the transmission unit 260 and the balls 280, under the matching action of the reverse threaded rod 210 and the threaded sleeve 220, the two groups of clamping plates 230 relatively move until the inner side of the cushion pad 240 is moved to be mutually attached to the outer side of the glass, so that the glass clamping function is realized, when the glass with different shapes is required to be clamped and positioned, the bolts 250 can be unscrewed, then the clamping plates 230 are replaced, the practicability of the device is improved, the cost of capital is saved, the problem that the operation table 120 is not convenient to prevent the glass from shifting is solved, and through the positioning structure, the glass polishing operation by an operator is convenient, the polishing machine has the advantages that convenience in operation is improved, efficiency of polishing operation is improved, and polishing precision is improved.
The transmission unit 260 comprises a first bevel gear, a second bevel gear and a rotating shaft, the first bevel gear is fixedly connected to the middle end of the reverse threaded rod 210, the rotating shaft is fixedly connected to the rear side of the handle 270, the rear side of the rotating shaft is fixedly connected with the second bevel gear, and the second bevel gear and the first bevel gear are meshed with each other; during operation, through the structural design of transmission unit 260, when operating personnel rotated handle 270, under the mating reaction of first conical gear, second conical gear and axis of rotation to drive reverse threaded rod 210 and rotate, improved the practicality of operation, improved operating personnel pivoted convenience simultaneously.
The upper end and the lower end of the operating platform 120 are both provided with balls 280, and the outer surfaces of the balls 280 are mutually attached to the outer side of the rotating shaft; during operation, through the design of ball 280, the axis of rotation of being convenient for rotates the operation under the mating reaction of ball 280, has improved the smoothness nature when rotating, has reduced operating personnel's labour.
The quick release structure is arranged at the upper end of the machine body 110 and comprises insertion rods 310 and supporting units 320, two groups of insertion rods 310 are movably mounted inside the left end and the right end of the upper end of the machine body 110 through the supporting units 320, one end of the insertion rod 310 is inserted into the inner part of the rear end of the protection plate 130, the other side of the insertion rod 310 is fixedly connected with a fixing rod 330, a reset spring 340 is sleeved outside the fixing rod 330, and the other side of the fixing rod 330 is fixedly connected with a pull ring 350; when the protection plate 130 is required to be disassembled, firstly, the pull ring 350 is pulled towards one end far away from the protection plate 130, the fixed rod 330 is driven to move under the matching action of the supporting unit 320 until one end of the insertion rod 310 is moved out of the protection plate 130, then the protection plate 130 is moved forwards until the protection plate 130 is moved out of the inner part of the upper end of the machine body 110, if the protection plate 130 is installed, the rear end of the protection plate 130 is inserted into the inner part of the upper end of the machine body 110, then the pull ring 350 is loosened, the fixed rod 330 returns to the original position under the elastic action of the return spring 340, one end of the insertion rod 310 is inserted into the inner part of the protection plate 130, one end of the rubber block 360 is mutually clamped with the inner part of the insertion rod 310, so that the protection plate 130 is fixed, the problem that the protection plate 130 is inconvenient to disassemble by the machine body 110 is solved, and the protection plate 130 is convenient to disassemble through the quick-disassembling structure, the operation is easy to use, the disassembly time is saved, the disassembled protection plate 130 is convenient to clean, and the labor intensity of operators is reduced.
The supporting unit 320 comprises slide rails, connecting rods and sleeve blocks, wherein two groups of the slide rails are arranged inside the left end and the right end of the upper end of the machine body 110, the middle ends of the slide rails are fixedly connected with the connecting rods, the sleeve blocks are movably arranged outside the connecting rods, and the top ends of the sleeve blocks are fixedly connected with the bottom ends of the inserting rods 310; during operation, through the structural design of the supporting unit 320, the insertion rod 310 can move under the matching effect of the sliding rail, the connecting rod and the sleeve block, the moving convenience is improved, meanwhile, the insertion rod 310 is limited, and the insertion rod 310 is prevented from being separated from the inner part of the upper end of the machine body 110 during moving.
The inner adhesive rubber blocks 360 are arranged at the left end and the right end of the rear end of the protection plate 130, the rubber blocks 360 are designed in a slope mode, and one end of each rubber block 360 is mutually clamped with the inner part of the inserted rod 310; the during operation, through the design of block rubber 360, when dead lever 330 returns the normal position under reset spring 340's elastic action, block rubber 360 plays the effect of buffering to inserted bar 310, through the slope formula design of block rubber 360, when the one end of block rubber 360 and the inside mutual block of inserted bar 310, improved the fixity between inserted bar 310 and the guard plate 130, improved the stability of guard plate 130 simultaneously, prevent that guard plate 130 from taking place to rock.
Example two
Referring to fig. 7, as another embodiment of the present invention, in the first comparative example, the extrusion blocks 370 are movably mounted inside the left and right ends of the upper end of the machine body 110, one side of the extrusion block 370 is attached to the other side of the rear end of the insertion rod 310, and the extension spring 380 is welded between the other side of the extrusion block 370 and the inner wall of the upper end of the machine body 110; during operation, through the design of extrusion piece 370 and expanding spring 380, insert the inside of organism 110 upper end when protection plate 130 rear end, under extrusion piece 370 and expanding spring 380's mating reaction, prevent that protection plate 130 from taking place the condition of skew at the male in-process, play spacing effect to protection plate 130.
According to the working principle, when the operation table 120 is required to clamp and position glass to be polished, firstly, the glass is placed at the top end of the operation table 120, then the handle 270 is rotated, the reverse threaded rod 210 is driven to rotate under the matching action of the transmission unit 260, under the matching action of the reverse threaded rod 210 and the threaded sleeve 220, the two groups of clamping plates 230 relatively move until the inner side of the cushion pad 240 is moved to be mutually attached to the outer side of the glass, so that the function of clamping the glass is realized, when the glass with different shapes is required to be clamped and positioned, the bolts 250 can be screwed off, and then the clamping plates 230 are replaced, so that the practicability of the device is improved, and meanwhile, the cost of capital is saved;
when the protection plate 130 needs to be disassembled, firstly, the pull ring 350 is pulled towards one end away from the protection plate 130, under the matching action of the supporting unit 320, the fixing rod 330 is driven to move, until one end of the insert rod 310 is moved out of the interior of the protection plate 130, then the protection plate 130 is moved forwards, until the protection plate 130 is moved out of the interior of the upper end of the machine body 110, if the protection plate 130 is installed, the rear end of the protection plate 130 is inserted into the interior of the upper end of the machine body 110, then the pull ring 350 is loosened, the fixing rod 330 returns to the original position under the elastic action of the reset spring 340, one end of the insert rod 310 is inserted into the interior of the protection plate 130, one end of the rubber block 360 is clamped with the interior of the insert rod 310, and the protection plate 130 is fixed.
In the description herein, references to the description of the terms "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, glass, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, glasses, or characteristics described may be combined in any suitable manner in any one or more of the embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a burnishing machine is used in glass production with locate function which characterized in that: comprises a machine body (110), an operating platform (120) and a protective plate (130); the upper end of the machine body (110) is provided with an operating table (120), and the rear end of the protection plate (130) is inserted into the upper end of the machine body (110);
operation panel (120) upper end sets up location structure, location structure includes reverse threaded rod (210), grip block (230), bolt (250), drive unit (260) and handle (270), reverse threaded rod (210) pass through bearing movable mounting in the inside of operation panel (120), both ends all are equipped with thread bush (220) about reverse threaded rod (210), the lower extreme of grip block (230) is inserted and is located the inside of thread bush (220) upper end, both ends all are provided with bolt (250) around between grip block (230) and thread bush (220), grip block (230) inboard glue has multiunit blotter (240), be provided with drive unit (260) between reverse threaded rod (210) middle-end and handle (270).
2. The polishing machine with positioning function for glass production according to claim 1, wherein: the transmission unit (260) comprises a first bevel gear, a second bevel gear and a rotating shaft, the first bevel gear is fixedly connected to the middle end of the reverse threaded rod (210), the rotating shaft is fixedly connected to the rear side of the handle (270), the rear side of the rotating shaft is fixedly connected with the second bevel gear, and the second bevel gear and the first bevel gear are meshed with each other.
3. The polishing machine with positioning function for glass production according to claim 2, characterized in that: both ends all set up ball (280) about operation panel (120), and the laminating each other outside ball (280) and the axis of rotation outside.
4. The polishing machine with positioning function for glass production according to claim 3, wherein: organism (110) upper end sets up quick detach structure, quick detach structure includes inserted bar (310) and support element (320), and is two sets of inserted bar (310) is through support element (320) movable mounting in the inside at both ends about organism (110) upper end, inserted bar (310) one end is inserted and is located the inside of guard plate (130) rear end, inserted bar (310) opposite side rigid coupling dead lever (330), and dead lever (330) outside cover establishes reset spring (340), dead lever (330) opposite side rigid coupling pull ring (350).
5. The polishing machine with positioning function for glass production according to claim 4, wherein: the supporting unit (320) comprises sliding rails, connecting rods and sleeve blocks, the sliding rails are arranged inside the left end and the right end of the upper end of the machine body (110), the middle ends of the sliding rails are fixedly connected with the connecting rods, the sleeve blocks are movably arranged outside the connecting rods, and the top ends of the sleeve blocks are fixedly connected with the bottom ends of the inserting rods (310).
6. The polishing machine with positioning function for glass production according to claim 5, wherein: inside sticky rubber piece (360) at both ends about guard plate (130) rear end, and rubber piece (360) are ramp type design, inside block each other of rubber piece (360) one end and inserted bar (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122641633.9U CN216422139U (en) | 2021-10-30 | 2021-10-30 | Burnishing machine is used in glass production with locate function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122641633.9U CN216422139U (en) | 2021-10-30 | 2021-10-30 | Burnishing machine is used in glass production with locate function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216422139U true CN216422139U (en) | 2022-05-03 |
Family
ID=81335247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122641633.9U Active CN216422139U (en) | 2021-10-30 | 2021-10-30 | Burnishing machine is used in glass production with locate function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216422139U (en) |
-
2021
- 2021-10-30 CN CN202122641633.9U patent/CN216422139U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113732923B (en) | Derusting and polishing machine for outer wall of metal corrugated pipe | |
| CN114161290B (en) | Pulley shaft production method and device | |
| CN112247820A (en) | Furniture production is with wood cylinder polishing equipment | |
| CN216422139U (en) | Burnishing machine is used in glass production with locate function | |
| CN212600874U (en) | Bulb part machining device | |
| CN210255498U (en) | Panel surface burr remove device | |
| CN110549197B (en) | Bamboo tube wine end face repairing device | |
| CN116175340B (en) | Polishing and grinding device for machining automobile steering rod connector shell | |
| CN217992107U (en) | Furniture production and processing is with carpenter's board burnishing device | |
| CN215036330U (en) | Grinding device for industrial design | |
| CN112589614B (en) | Accurate supplementary grinding and polishing equipment in diamond edge | |
| CN112123106A (en) | Stainless steel elbow pipe fitting surface finishing device | |
| CN218658366U (en) | Spacing type bearing mechanism of aluminum product burnishing machine | |
| CN218546722U (en) | Movable water quality monitor | |
| CN215968129U (en) | Polishing machine with conveniently replaced polishing disc | |
| CN220806792U (en) | Effectual fastener production grinding device polishes | |
| CN115365907B (en) | Accurate processingequipment that polishes that bar copper processing was used | |
| CN219131876U (en) | Polishing machine with cleaning function | |
| CN211193199U (en) | Portable stainless steel section bar polisher | |
| CN214922855U (en) | Magic stick production is with plastics material equipment of polishing | |
| CN221020396U (en) | Steel member polisher | |
| CN217167993U (en) | Whole-shaft polishing machine | |
| CN220560149U (en) | Stainless steel pipe bending equipment | |
| CN112276765B (en) | A quick burnishing device of cold-rolled steel for high-end equipment is made | |
| CN219805833U (en) | Deburring machine with general plane and curved surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Zhelai Inventor after: Lai Yaoqi Inventor after: Zhao Yuqing Inventor after: Wang Kaisheng Inventor after: Yang Zhong Inventor before: Lai Yaoqi Inventor before: Zhao Yuqing Inventor before: Wang Kaisheng Inventor before: Yang Zhong |