CN111923162B - Electrician's log base excircle automatic chamfering machine - Google Patents
Electrician's log base excircle automatic chamfering machine Download PDFInfo
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- CN111923162B CN111923162B CN202010520796.9A CN202010520796A CN111923162B CN 111923162 B CN111923162 B CN 111923162B CN 202010520796 A CN202010520796 A CN 202010520796A CN 111923162 B CN111923162 B CN 111923162B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
- B27C5/02—Machines with table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
- B27C5/02—Machines with table
- B27C5/06—Arrangements for clamping or feeding work
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- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to an automatic chamfering machine, in particular to an automatic chamfering machine for an outer circle of an electrician log base. The technical problems of the invention are as follows: the automatic chamfering machine for the outer circle of the electrical log base is capable of automatically chamfering, automatically feeding and replacing manual chamfering. The technical implementation scheme of the invention is as follows: the invention discloses an automatic chamfering machine for an excircle of an electrician log base, which comprises a machine table, a motor, a first rotating shaft, a first mounting plate, a chamfering device, a first supporting plate and a chamfering clamping mechanism, wherein a sliding plate is fixed on the right side of the machine table, the motor is mounted at the left end above the machine table, the first rotating shaft is fixed on an output shaft of the motor through a coupler, the first mounting plate is fixed above the machine table, the right end of the first rotating shaft is rotatably connected to the first mounting plate, the chamfering device is fixed at the right end part of the first rotating shaft, the chamfering device is positioned at the right side of the first mounting plate, and the first supporting plate is fixed at the right side of the machine table.
Description
Technical Field
The invention relates to an automatic chamfering machine, in particular to an automatic chamfering machine for an outer circle of an electrician log base.
Background
The round wood is a raw material batten which is not processed, and the round wood base is a base of a flat lamp cap and a surface socket.
Smooth and flat log base can increase wholesaler's sales volume, consequently is essential one process for log base chamfer, and present processing factory gives log base chamfer, and the most all is artifical hand to hold the log base that the cutting finishes and carries out the chamfer, and the hand can be hindered to the burr on the in-process log base of chamfer, and the manual work is low for the work efficiency of log base chamfer one by one in addition, and is unsuitable large batch chamfer work.
According to the above-mentioned problem that appears when giving the log base chamfer, consequently need urgent need to research and develop an automatic chamfer, autoloading replaces the automatic beveler of electrician log base excircle of artifical chamfer.
Disclosure of Invention
In order to overcome the defects that the hand can be injured by burrs on a log base in the chamfering process when the cut log base is manually chamfered, and the work efficiency of manually chamfering the log base one by one is low and the log base is not suitable for large-batch chamfering work, the invention has the technical problems that: the automatic chamfering machine for the outer circle of the electrical log base is capable of automatically chamfering, automatically feeding and replacing manual chamfering.
The technical implementation scheme of the invention is as follows: the utility model provides an automatic beveler of electrician's log base excircle, including:
a machine table, one side of which is fixed with a sliding plate;
the motor is arranged at one end of the machine table;
the first rotating shaft is fixed on an output shaft of the motor through a coupler;
the first mounting plate is fixed on the machine table, and one end part of the rotating shaft is rotatably connected with the first mounting plate;
the chamfering device is fixed at one end of the rotating shaft and is positioned at one side of the mounting plate;
the support plate I is fixed on one side of the machine table;
and the chamfer clamping mechanism is fixed on the machine table and is in sliding connection with the support plate.
Further, the chamfer clamping mechanism comprises:
the rack is fixed at the top end of the support plate;
the bracket is fixed on the machine table and is positioned on one side of the support plate;
the material plate rail is fixed at the top end of the bracket;
the second support plate is fixed on the machine table and is positioned on one side of the first support plate;
the first connecting plate is connected to the first support plate and the top end of the bracket in a sliding manner;
the second connecting plate is connected with the first supporting plate in a sliding mode, and one end of the first connecting plate is fixed to the second connecting plate;
the connecting plate III is connected to the support in a sliding mode, and the other end of the connecting plate I is fixed to the connecting plate III;
the thimble I is rotatably connected to one side of the connecting plate II;
the transmission gear is fixed on the thimble and is close to the second connecting plate, and the transmission gear is meshed with the rack;
the connecting plate IV is fixed on one side of the connecting plate;
the cylinder is arranged on the fourth connecting plate, and the telescopic rod of the cylinder penetrates through the first connecting plate;
the swing rod is movably connected to the telescopic rod of the air cylinder, and the middle part of the swing rod is rotatably connected to the third connecting plate;
and the second thimble is rotatably connected to the end part of the swinging rod.
Further, still include reciprocal drive mechanism, reciprocal drive mechanism includes:
the small belt wheel is fixed on the output shaft of the motor;
the mounting plate II is fixed on the machine table;
the mounting plate III is fixed on the machine table and is far away from the mounting plate II;
the second rotating shaft is rotatably connected with the second mounting plate and the third mounting plate;
the large belt wheel is fixed on the second rotating shaft and is close to the second mounting plate;
the first belt is wound around the large belt wheel and the small belt wheel;
the inner cam is fixed at the two end parts of the rotating shaft and is close to the third mounting plate;
and the sliding block is fixed at the end part of the cylinder and is connected to the inner cam in a sliding manner.
Further, still including dynamic sending machine, dynamic sending machine is including:
the first flat belt wheel is rotatably connected to the machine table;
the bevel gear I is fixed on the flat belt wheel I;
the second bevel gear is fixedly connected to the second rotating shaft and meshed with the first bevel gear;
the second flat belt wheel is rotatably connected to the machine table and is far away from the first flat belt wheel;
the rotating shaft III is fixedly connected with the flat belt wheel II;
the second belt is wound on the first flat belt wheel and the second flat belt wheel;
the number of the supporting rods is three, and the supporting rods are fixed on the machine table;
the material tray is fixedly connected to the machine table through three support rods;
the rotating disc is fixed at the top end of the rotating shaft III and is close to the material disc;
and the straightening assembly is fixed on the material plate rail, and the straightening assembly part is communicated with the material plate.
Further, the correcting component comprises:
the conveying hopper is communicated with one side of the material tray;
the hopper is fixed on the material plate rail and communicated with the conveying hopper;
the roller is rotatably connected to the hopper.
The invention has the following advantages: 1: the automatic reciprocating chamfering and clamping device starts the motor to rotate, the reciprocating transmission mechanism drives the chamfering and clamping mechanism to clamp the log base for chamfering, and the automatic reciprocating chamfering and clamping function is realized.
2: the invention has the function of righting the log base, and the effect can be achieved by sliding the log base downwards along the roller.
3: according to the automatic feeding mechanism, the function of manually putting the log bases into the log plate rails one by one is replaced.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a three-dimensional enlarged structural schematic diagram of the motor, the first rotating shaft and the chamfering device of the invention.
FIG. 3 is a partially enlarged perspective view of the chamfer clamping mechanism of the present invention.
FIG. 4 is a perspective enlarged structural view of the chamfer clamping mechanism of the present invention.
Fig. 5 is a perspective enlarged structure diagram of the reciprocating transmission mechanism of the present invention.
Fig. 6 is a schematic perspective view of an enlarged structure of the slider and the inner cam according to the present invention.
Fig. 7 is a schematic view of a partial three-dimensional enlarged structure of the automatic feeding mechanism of the present invention.
Fig. 8 is a perspective enlarged structural diagram of the tray of the present invention.
Fig. 9 is a three-dimensional enlarged structural schematic diagram of the tray and the turntable of the present invention.
FIG. 10 is a perspective view illustrating an enlarged structure of the roller according to the present invention.
The meaning of the reference symbols in the figures: 1: machine table, 2: motor, 3: first rotating shaft, 4: mounting plate I, 5: chamfering device, 6: plate one, 7: rack, 8: stent, 801: slab rail, 9: support plate two, 10: connecting plate I, 11: connecting plates II, 12: connecting plate three, 13: a first thimble, 14: transmission gear, 15: connecting plates four, 16: cylinder, 17: swing lever, 18: a second ejector pin, 19: small pulley, 20: mounting plate two, 21: mounting plate three, 22: a second rotating shaft 23: large pulley, 24: first belt, 25: inner cam, 26: slider, 27: first flat pulley, 28: bevel gear one, 29: bevel gear two, 30: rotating shaft III, 31: flat pulley two, 32: belt II, 33: support rod, 34: tray, 35: turntable, 36: conveyance bucket, 37: hopper, 38: and a roller.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example 1
An automatic chamfering machine for an outer circle of an electrician log base is shown in figures 1-10 and comprises a machine table 1, a motor 2, a first rotating shaft 3, a first mounting plate 4, a chamfering device 5, a first supporting plate 6 and a chamfering clamping mechanism, wherein a sliding plate is fixed on the right side of the machine table 1, the motor 2 is installed at the left end above the machine table 1, the first rotating shaft 3 is fixed on an output shaft of the motor 2 through a coupler, the first mounting plate 4 is fixed above the machine table 1, the right end of the first rotating shaft 3 is rotatably connected to the first mounting plate 4, the chamfering device 5 is fixed at the right end of the first rotating shaft 3, the chamfering device 5 is located on the right side of the first mounting plate 4, the first supporting plate 6 is fixed on the right side of the machine table 1, the chamfering clamping mechanism is fixed above the machine table 1, and the chamfering clamping mechanism is in sliding connection with the first supporting plate 6.
When chamfering the outer circle of the log base, the log base is manually placed into the chamfering clamping mechanism part, the telescopic rod of the chamfering clamping mechanism part is started to stretch out, the chamfering clamping mechanism part clamps the log base and slides to the position below the chamfering device 5, the starting motor 2 rotates, the shaft coupling drives the rotating shaft to rotate through the output shaft of the motor 2, the rotating shaft drives the chamfering device 5 on the mounting plate to chamfer the log base through the rotating shaft 3, the chamfering device 5 on the mounting plate 4 is closed, the chamfering clamping mechanism part is closed, the telescopic rod of the chamfering clamping mechanism part retracts, and the log base with the chamfer finished slides down along the sliding plate.
Example 2
On the basis of embodiment 1, as shown in fig. 2 to 4, the chamfering clamping mechanism includes a rack 7, a bracket 8, a flitch rail 801, a support plate two 9, a connection plate one 10, a connection plate two 11, a connection plate three 12, a thimble one 13, a transmission gear 14, a connection plate four 15, a cylinder 16, a swing rod 17 and a thimble two 18, the rack 7 is fixed above the support plate one 6, the bracket 8 is fixed at the right end above the machine table 1, the bracket 8 is located at the right side of the support plate one 6, the flitch rail 801 is fixed above the bracket 8, the support plate two 9 is fixed at the right end above the machine table 1, the support plate two 9 is located at the right side of the support plate one 6, the connection plate one 10 is slidably connected above the support plate one 6 and the bracket 8, the connection plate two 11 is slidably connected above the support plate one 6, the left end of the connection plate one 10 is fixed at the connection plate two 11, the connection plate three 12 is slidably connected above the bracket 8, the right end of the connection plate one 10 is fixed at the connection plate three 12, the first ejector pin 13 is rotatably connected to the right side of the second connecting plate 11, the transmission gear 14 is fixed to the first ejector pin 13, the transmission gear 14 is located on the left side of the second connecting plate 11, the transmission gear 14 is meshed with the rack 7, the fourth connecting plate 15 is fixed to the rear side of the first connecting plate 10, the air cylinder 16 is installed on the left side of the fourth connecting plate 15, the telescopic rod of the air cylinder 16 penetrates through the first connecting plate 10, the swing rod 17 is movably connected to the telescopic rod of the air cylinder 16, the middle portion of the swing rod 17 is rotatably connected to the upper portion of the third connecting plate 12, and the second ejector pin 18 is rotatably connected to the end portion of the swing rod 17.
When chamfering the excircle of the log base, firstly manually putting the log base into the material plate rails 801 one by one, starting the telescopic rods of the air cylinders 16 to extend, pushing the connecting plates 10 to slide forwards by the telescopic rods of the air cylinders 16, enabling the transmission gears 14 to be meshed with the racks 7 to rotate so as to drive the connecting plates two 11 and the connecting plates three 12 to slide forwards, when sliding to the two sides of the material plate rails 801, closing the air cylinders 16, retracting the telescopic rods of the air cylinders 16, enabling the swinging rods 17 to swing inwards, enabling the ejector pins two 18 and the ejector pins one 13 to clamp the log base in the material plate rails 801, starting the motor 2 to rotate, chamfering the log base by the chamfering device 5, enabling the telescopic rods of the air cylinders 16 to drive the connecting plates one 10 to slide backwards, enabling the transmission gears 14 to be meshed with the racks 7 to rotate, driving the connecting plates two 11 and the connecting plates three 12 to slide backwards, driving the ejector pins two 18 and the ejector pins one 13 to clamp the log base to chamfer while sliding, and finishing chamfering the excircle of the log base, the telescopic rod of the starting cylinder 16 extends out, the telescopic rod of the cylinder 16 pushes the swing rod 17 forwards, the swing rod 17 swings outwards, the ejector pin II 18 and the ejector pin I13 loosen the log base, and the log base with the finished chamfer slides down along the sliding plate, so that the function of clamping the chamfer of the log base is realized.
Example 3
On the basis of the embodiment 2, as shown in fig. 5 to 10, the reciprocating device further includes a reciprocating transmission mechanism, the reciprocating transmission mechanism includes a small belt wheel 19, a second mounting plate 20, a third mounting plate 21, a second rotating shaft 22, a large belt wheel 23, a first belt 24, an inner cam 25 and a slider 26, the small belt wheel 19 is fixed on the output shaft of the motor 2, the second mounting plate 20 is fixed above the machine table 1, the third mounting plate 21 is fixed on the machine table 1, the third mounting plate 21 is located on the right of the second mounting plate 20, the second rotating shaft 22 is rotatably connected to the second mounting plate 20 and the third mounting plate 21, the large belt wheel 23 is fixed on the second rotating shaft 22, the large belt wheel 23 is located on the right of the second mounting plate 20, the first belt 24 winds around the large belt wheel 23 and the small belt wheel 19, the inner cam 25 is fixed on the right end portion of the second rotating shaft 22, the inner cam 25 is located on the right of the third mounting plate 21, the slider 26 is fixed on the end portion of the cylinder 16, and the slider 26 is slidably connected to the inner cam 25.
The motor 2 is started to rotate, an output shaft of the motor 2 drives the small belt wheel 19 to rotate, the small belt wheel 19 drives the first belt wheel 24 to rotate, the first belt wheel 24 drives the large belt wheel 23 to rotate, the second rotating shaft 22 is driven to rotate, the second rotating shaft 22 drives the inner cam 25 to rotate, the sliding block 26 is driven to slide along the track of the inner cam 25, when the sliding block 26 slides to the protruding position of the inner cam 25, the telescopic rod of the air cylinder 16 retracts, the telescopic rod of the air cylinder 16 drives the swing rod 17 to swing inwards, the second ejector pin 18 and the first ejector pin 13 clamp the log base in the log rail 801, when the sliding block 26 slides to the non-protruding position of the inner cam 25, the telescopic rod of the air cylinder 16 extends, the telescopic rod of the air cylinder 16 drives the swing rod 17 to swing outwards, and therefore the log base clamped by the second ejector pin 18 and the first ejector pin 13 is loosened, and the function of reciprocating transmission is achieved.
The automatic feeding mechanism comprises a first flat belt wheel 27, a first bevel gear 28, a second bevel gear 29, a second flat belt wheel 31, a third rotating shaft 30, a second belt 32, support rods 33, a material tray 34, a rotary disc 35 and a straightening component, wherein the first flat belt wheel 27 is rotatably connected above the machine table 1, the first bevel gear 28 is fixed above the first flat belt wheel 27, the second bevel gear 29 is fixed in the middle of the second rotating shaft 22, the second bevel gear 29 is meshed with the first bevel gear 28, the second flat belt wheel 31 is rotatably connected above the machine table 1, the second flat belt wheel 31 is positioned in front of the first flat belt wheel 27, the third rotating shaft 30 is fixedly connected to the second flat belt wheel 31, the second belt 32 is wound around the first flat belt wheel 27 and the second flat belt wheel 31, the three support rods 33 are fixed above the machine table 1, the material tray 34 is fixedly connected above the machine table 1 through the three support rods 33, the rotary disc 35 is fixed above the third rotating shaft 30, the rotary disc 35 is positioned in the material tray 34, the straightening assembly is fixed above the material plate rail 801, and the straightening assembly parts are communicated with the material plate 34.
When chamfering the outer circle of the log base, a plurality of log bases are manually placed on the rotary table 35 in the material tray 34, the starting motor 2 is started to rotate, the second rotating shaft 22 drives the second bevel gear 29 to rotate, the second bevel gear 29 is meshed with the first bevel gear 28 to drive the second belt 32 to rotate, the second belt 32 drives the second flat belt wheel 31 to rotate, the second flat belt wheel 31 drives the third rotating shaft 30 to rotate, the third rotating shaft 30 drives the plurality of log bases on the rotary table 35 to rotate, the log bases are conveyed to the aligning component one by one to be aligned, and the chamfering clamping mechanism performs chamfering on the aligned log bases, so that the function of automatic feeding is achieved.
The straightening assembly comprises a conveying hopper 36, a hopper 37 and a roller 38, the conveying hopper 36 is communicated with the right front side of the charging tray 34, the hopper 37 is fixed above the charging tray rail 801, the hopper 37 is communicated with the conveying hopper 36, and the roller 38 is rotatably connected to the right side of the hopper 37.
When the third rotating shaft 30 drives the plurality of log bases on the rotating disc 35 to rotate, the log bases are conveyed to the opening of the hopper 37 through the conveying hopper 36, and the log bases downwards slide into the material plate rail 801 along the rolling wheels 38, so that the function of righting the log bases is realized.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (1)
1. The utility model provides an automatic beveler of electrician log base excircle, characterized by: comprises the following steps: a machine platform, one side of which is fixed with a sliding plate; the motor is arranged at one end of the machine table; the first rotating shaft is fixed on an output shaft of the motor through a coupler; the first mounting plate is fixed on the machine table, and one end part of the rotating shaft is rotatably connected with the first mounting plate; the chamfering device is fixed at one end of the rotating shaft and is positioned at one side of the mounting plate; the support plate I is fixed on one side of the machine table; the chamfer clamping mechanism is fixed on the machine table and is in sliding connection with the first support plate; a reciprocating transmission mechanism; an automatic feeding mechanism;
the chamfer clamping mechanism comprises: the rack is fixed at the top end of the support plate; the bracket is fixed on the machine table and is positioned on one side of the support plate; the material plate rail is fixed at the top end of the bracket; the second support plate is fixed on the machine table and is positioned on one side of the first support plate; the first connecting plate is connected to the first support plate and the top end of the bracket in a sliding manner; the second connecting plate is connected to the first supporting plate in a sliding mode, and one end of the first connecting plate is fixed to the second connecting plate; the connecting plate III is connected to the support in a sliding mode, and the other end of the connecting plate I is fixed to the connecting plate III; the thimble I is rotatably connected to one side of the connecting plate II; the transmission gear is fixed on the thimble and is close to the second connecting plate, and the transmission gear is meshed with the rack; the connecting plate IV is fixed on one side of the connecting plate; the cylinder is arranged on the fourth connecting plate, and the telescopic rod of the cylinder penetrates through the first connecting plate; the swing rod is movably connected to the telescopic rod of the air cylinder, and the middle part of the swing rod is rotatably connected to the third connecting plate; the second thimble is rotatably connected to the end part of the swing rod;
the reciprocating transmission mechanism comprises: the small belt wheel is fixed on the output shaft of the motor; the mounting plate II is fixed on the machine table; the mounting plate III is fixed on the machine table and is far away from the mounting plate II; the second rotating shaft is rotatably connected with the second mounting plate and the third mounting plate; the large belt wheel is fixed on the second rotating shaft and is close to the second mounting plate; the first belt is wound around the large belt wheel and the small belt wheel; the inner cam is fixed at the two end parts of the rotating shaft and is close to the third mounting plate; the sliding block is fixed at the end part of the cylinder and is connected with the inner cam in a sliding way;
the automatic feeding mechanism comprises: the first flat belt wheel is rotatably connected to the machine table; the bevel gear I is fixed on the flat belt wheel I; the second bevel gear is fixedly connected to the second rotating shaft and meshed with the first bevel gear; the second flat belt wheel is rotatably connected to the machine table and is far away from the first flat belt wheel; the rotating shaft III is fixedly connected to the flat belt wheel II; the second belt is wound on the first flat belt wheel and the second flat belt wheel; the number of the supporting rods is three, and the supporting rods are fixed on the machine table; the material tray is fixedly connected to the machine table through three support rods; the rotating disc is fixed at the top end of the rotating shaft III and is close to the material tray; the correcting component is fixed on the material plate rail, and the correcting component part is communicated with the material plate;
the subassembly of rectifying includes: the conveying hopper is communicated with one side of the material tray; the hopper is fixed on the material plate rail and communicated with the conveying hopper; the roller is rotatably connected to the hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520796.9A CN111923162B (en) | 2020-06-10 | 2020-06-10 | Electrician's log base excircle automatic chamfering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520796.9A CN111923162B (en) | 2020-06-10 | 2020-06-10 | Electrician's log base excircle automatic chamfering machine |
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| Publication Number | Publication Date |
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| CN111923162A CN111923162A (en) | 2020-11-13 |
| CN111923162B true CN111923162B (en) | 2022-09-06 |
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| CN202010520796.9A Active CN111923162B (en) | 2020-06-10 | 2020-06-10 | Electrician's log base excircle automatic chamfering machine |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5656316A (en) * | 1979-10-06 | 1981-05-18 | Nakataro Mochizuki | Travelling table type chamfering machine |
| CN2105386U (en) * | 1991-10-09 | 1992-05-27 | 延边工商系统劳动服务公司 | Chopsticks chamfering machine |
| CN206030140U (en) * | 2016-08-05 | 2017-03-22 | 沈洋洋 | Log piece automatic processing machine |
| CN208745040U (en) * | 2018-01-19 | 2019-04-16 | 大羿床业(上海)有限公司 | A kind of beveler |
| CN108327012A (en) * | 2018-03-30 | 2018-07-27 | 李华平 | A kind of broken bamboo machine of reciprocating motion type |
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2020
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Effective date of registration: 20220817 Address after: 400000 Chongqing Liangping Industrial Park Science and Technology Enterprise Incubation Park Applicant after: Chongqing Qianghong Technology Co., Ltd. Address before: 422700 No.50 Erlian village, Huangjin Township, Xinning County, Shaoyang City, Hunan Province Applicant before: Wang Yanping |
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