CN114290194B - Dustproof and dust-removing gypsum coping device for denture production - Google Patents
Dustproof and dust-removing gypsum coping device for denture production Download PDFInfo
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- CN114290194B CN114290194B CN202111658128.3A CN202111658128A CN114290194B CN 114290194 B CN114290194 B CN 114290194B CN 202111658128 A CN202111658128 A CN 202111658128A CN 114290194 B CN114290194 B CN 114290194B
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Abstract
The invention discloses a gypsum coping device for producing false teeth, which belongs to the technical field of false tooth processing equipment and comprises a body and a dust treatment mechanism, wherein the body comprises a bracket, a motor box is arranged on the right side of the top of the bracket, a motor is arranged in the motor box, a power end on the left side of the motor penetrates through a protective cover to be connected with a grinding wheel, the bottom of the protective cover is fixedly connected to the bracket, a processing port is formed on the left side of the protective cover, and the protective cover is connected with a placing table through the processing port; the dust treatment mechanism comprises a dust collection head arranged in the protective cover, the dust collection head is communicated with one end of the exhaust pipe, and dust blocked by the filter plate before can be blown away by air flowing all the time, so that the dust can fall into the dust collection groove through the through groove to be collected, the filter plate does not need to be cleaned manually and regularly, and the use effect is good.
Description
Technical Field
The invention relates to the technical field of denture processing equipment, in particular to a dustproof and dust-removing gypsum coping device for denture production.
Background
In the denture processing process, a plaster coping device is needed to process plaster.
During the plaster coping, flying dust can be generated, so that the dust treatment mechanism is generally integrated on the device to prevent dust and remove dust at present, but the dust treatment mechanism on the device needs to manually and regularly clean a filter plate for dust removal at present, so that the plaster coping device for the denture production is inconvenient to use, and the plaster coping device for preventing dust and removing dust is provided.
Disclosure of Invention
The invention aims to provide a dustproof and dedusting gypsum coping device for denture production, which aims to solve the problems in the prior art.
The technical scheme is as follows: the gypsum coping device for producing the false tooth comprises a body and a dust treatment mechanism, wherein the body comprises a bracket, a motor box is arranged on the right side of the top of the bracket, a motor is arranged in the motor box, a power end on the left side of the motor penetrates through a protective cover to be connected with a grinding wheel, the bottom of the protective cover is fixedly connected to the bracket, a processing opening is formed in the left side of the protective cover, and the protective cover is connected with a placing table through the processing opening; the dust treatment mechanism comprises a dust collection head arranged in a protective cover, the dust collection head is communicated with one end of an exhaust pipe, the other end of the exhaust pipe penetrates through the protective cover and is communicated with a communicating pipe, two groups of communicating pipes are arranged on the top of a motor case, the exhaust pipe is communicated with a rear side of the communicating pipe, two groups of communicating pipes are communicated with a dust collection assembly, a front side of the communicating pipe is communicated with an exhaust opening of the exhaust fan, and the exhaust fan is arranged on the motor case.
As a preferable scheme of the gypsum coping device for producing the false tooth with dust prevention and dust removal, the invention comprises the following steps: the dust removing assembly comprises dust blocking parts connected with the two groups of communicating pipes, the dust blocking parts are movably connected with the dust collecting parts, and the dust blocking parts are provided with transmission parts.
As a preferable scheme of the gypsum coping device for producing the false tooth with dust prevention and dust removal, the invention comprises the following steps: the dust blocking part comprises two groups of square tubes connected to opposite sides of the communicating tube, two ends of each square tube are respectively connected with a rotating shaft through bearings in a rotating mode, the opposite sides of each rotating shaft are respectively provided with a filter plate, the left side and the right side of each filter plate are respectively attached to inner walls of the square tubes, and the top side and the bottom side of each filter plate are respectively movably connected with a telescopic structure.
As a preferable scheme of the gypsum coping device for producing the false tooth with dust prevention and dust removal, the invention comprises the following steps: the telescopic structure comprises two groups of movable rods with the same structure, the two groups of movable rods penetrate through the top and bottom sides of the square tube respectively, the movable rods are in sliding connection with the square tube, semicircular grooves are formed in the opposite sides of the movable rods, rotating rollers attached to the semicircular grooves are installed on the semicircular grooves through bearings in a rotating mode, the rotating rollers are attached to the top and bottom sides of the filter plate respectively, connecting sleeves are arranged at the right ends of the movable rods respectively, the connecting sleeves are arranged on vertical rods in a sliding mode, mounting blocks are arranged at the top and bottom ends of the vertical rods respectively, the mounting blocks are arranged on a motor box, connecting blocks are arranged in the middle of the vertical rods, and telescopic springs connected with the connecting sleeves are arranged on the top and bottom sides of the connecting blocks respectively.
As a preferable scheme of the gypsum coping device for producing the false tooth with dust prevention and dust removal, the invention comprises the following steps: the dust collecting part comprises a through groove formed in the bottom of the square tube, the through groove is located at the rear side of the movable rod, a groove is formed in the top of the motor box, a dust collecting groove opposite to the through groove is formed in the groove, and the top of the dust collecting groove is in contact with the square tube.
As a preferable scheme of the gypsum coping device for producing the false tooth with dust prevention and dust removal, the invention comprises the following steps: the right side of the dust collection groove is connected with a handle.
As a preferable scheme of the gypsum coping device for producing the false tooth with dust prevention and dust removal, the invention comprises the following steps: the transmission part comprises a connecting shaft which is rotatably arranged at the top of the motor case through a bearing, a first transmission wheel is sleeved on the connecting shaft, a second transmission wheel is sleeved at the power end of the motor, the first transmission wheel is in transmission connection with the second transmission wheel through a chain, a driving gear is sleeved at the right end of the connecting shaft, a driven gear is meshed with the top of the driving gear, the driven gear is sleeved on a fixed shaft, the fixed shaft is rotatably arranged at the top of the motor case through the bearing, a circular plate is sleeved at the right end of the fixed shaft, one end of the right side of the circular plate is connected with a hinge rod through a pin shaft, the bottom end of the hinge rod is hinged on a rack, the rack is slidably connected on the motor case, a driving gear is meshed and connected at the top of the rack, the driving gear is sleeved on the mounting shaft, and the right end of the mounting shaft is connected to the left side of the rotating shaft.
The beneficial effects are that: when the air with dust passes through the square tube, the rotating rollers and the movable rods on the two sides of the top and the bottom can only pass through the filter plate, so that the dust can be blocked on the rear side of the filter plate, and then when the motor drives the grinding wheel to rotate, the driving gear can be pushed to drive the mounting shaft to rotate in a slow positive and negative alternate mode, so that the rotating shaft can drive the filter plate to swing in a positive and negative alternate mode through the telescopic structure, when the filter plate swings obliquely, the air with dust still only passes through the filter plate, and the air flowing all the time can blow the dust blocked by the filter plate, so that the dust can fall into the dust collecting tank through the through groove to be collected, the filter plate does not need to be cleaned manually and regularly, and the use effect is good.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of the dust blocking and collecting part of the present invention;
fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present invention.
In the figure: 1. a body; 11. a bracket; 12. a motor case; 13. a motor; 14. a protective cover; 15. grinding wheel; 16. a placement table; 2. a dust handling mechanism; 21. a dust collection head; 22. an exhaust tube; 23. a communicating pipe; 24. a dust removal assembly; 241. a dust blocking part; 2411. square tubes; 2412. a rotating shaft; 2413. a filter plate; 2414. a telescopic structure; 24141. a movable rod; 24142. a semicircular groove; 24143. a rotating roller; 24144. connecting sleeves; 24145. a vertical rod; 24146. a connecting block; 24147. a telescopic spring; 242. a dust collection part; 2421. a through groove; 2422. a dust collection tank; 2423. a groove; 243. a transmission part; 2431. a connecting shaft; 2432. a first driving wheel; 2433. a second driving wheel; 2434. a drive gear; 2435. a driven gear; 2436. a fixed shaft; 2437. a circular plate; 2438. a hinge rod; 2439. a rack; 24310. a drive gear; 24311. a mounting shaft; 25. and (5) an exhaust fan.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 4, a gypsum coping device for producing false teeth with dust prevention and dust removal comprises a body 1 and a dust treatment mechanism 2, wherein the body 1 comprises a bracket 11, a motor box 12 for protecting a motor 13 is arranged on the right side of the top of the bracket 11, a motor 13 for driving a grinding wheel 15 to rotate is arranged in the motor box 12, a power end on the left side of the motor 13 penetrates through a protective cover 14 to be connected with the grinding wheel 15, the protective cover 14 for protecting the grinding wheel 15 is arranged on the bracket 11, a processing opening through which gypsum passes is formed in the left side of the protective cover 14, the protective cover 14 is connected with a placing table 16 for placing the gypsum through the processing opening, so that the gypsum moves on the placing table 16 through the processing opening, and can contact the grinding wheel 15 for coping;
the dust handling mechanism 2 includes a dust suction head 21 disposed in the protective cover 14, the dust suction head 21 is aligned with the gypsum processing part, so that dust can be sucked away when flying out, in order to suck the dust sucked by the dust suction head 21 out, the dust suction head 21 is communicated with one end of an exhaust pipe 22, the other end of the exhaust pipe 22 penetrates through the protective cover 14 to be communicated with a rear side communicating pipe 23 of two groups of communicating pipes 23, the two groups of communicating pipes 23 are all disposed at the top of the motor box 12, a communicating dust removing component 24 is mounted on the opposite sides of the two groups of communicating pipes 23, a front side communicating pipe 23 is communicated with an exhaust port of an exhaust fan 25, and the exhaust fan 25 is disposed on the motor box 12, so that generated dust is sucked away through the dust suction head 21, then transmitted through the exhaust pipe 22, then sequentially passes through the rear side communicating pipe 23, the dust removing component 24 and the front side communicating pipe 23, and finally sucked away by the exhaust fan 25.
In order to remove dust, the dust removing assembly 24 includes a dust blocking portion 241 connected to both of the two sets of communication pipes 23 for blocking the dust, the dust blocking portion 241 is movably connected to the dust collecting portion 242 for collecting the blocked dust, and a driving portion 243 is provided on the dust blocking portion 241 for allowing the dust to fall into the dust collecting portion 242.
The dust blocking part 241 comprises square tubes 2411 connected to opposite sides of the two groups of communicating tubes 23, two ends of each square tube 2411 are respectively connected with a rotating shaft 2412 through bearings in a rotating manner, filter plates 2413 attached to inner walls of the square tubes 2411 are arranged on opposite sides of the two groups of rotating shafts 2412, the filter plates 2413 can swing, and in order to enable dust-bearing air to pass through the filter plates 2413 only, telescopic structures 2414 are installed, so that the top and bottom sides of the filter plates 2413 are movably connected with the filter plates.
The telescopic structure 2414 comprises two groups of movable rods 24141 with the same structure, the two groups of movable rods 24141 respectively penetrate through the top and bottom sides of the square tube 2411, in order to enable the movable rods 24141 to stably move, the movable rods 24141 are in sliding connection with the square tube 2411, in order to enable the filter plate 2413 to swing more easily, semicircular grooves 24142 are formed in opposite sides of the two groups of movable rods 24141, rotating rollers 24143, which are attached to the semicircular grooves 24142 through bearing installation outer walls, of the two groups of semicircular grooves 24142 are arranged on the two groups of semicircular grooves 24142, the rotating rollers 24143 can seal a space, which is not blocked by the filter plate 2413, in the square tube 2411 together with the movable rods 24141, of the two groups of rotating rollers 24143 are attached to the top and bottom sides of the filter plate 2413 respectively, so that when the filter plate 2413 swings, pushing of the movable rods 24141 can be completed through pressing the rotating rollers 24143, connecting sleeves 24144 are arranged at right ends of the two groups of the movable rods 24141, connecting sleeves 24144 are arranged at the right ends of the two groups of the rotating rollers 24145, and the two groups of the connecting sleeves are arranged at the top and bottom sides of the filter plate 2413, and the two groups of the connecting rods 24145 are electrically connected with the connecting blocks 24124, and the connecting rods 24124 are arranged at the bottoms of the two ends of the connecting rods 24145, and the connecting rods are electrically connected with the connecting rods 24145, and the connecting rods 24145 are arranged at the bottoms of the two ends of the connecting rods 24145, and the connecting rods are in a stretching connection mode, and the connecting rods 24145 and are in a stretching mode and stretching connection.
The transmission part 243 comprises a connecting shaft 2431 rotatably arranged at the top of the motor case 12 through a bearing, a first transmission wheel 2432 is sleeved on the connecting shaft 2431, a second transmission wheel 2433 is sleeved at the power end of the motor 13, and the first transmission wheel 2432 is in transmission connection with the second transmission wheel 2433 through a chain, so that the connecting shaft 2431 can synchronously rotate when the motor 13 works, in order to reduce the speed of the connecting shaft 2431, a driving gear 2434 with smaller radius is sleeved at the right end of the connecting shaft 2431, a driven gear 2435 with larger radius is meshed at the top of the driving gear 2434, the driven gear 2435 is sleeved on a fixed shaft 2436, the fixed shaft 2436 is rotatably arranged at the top of the motor case 12 through a bearing, a circular plate 2437 is sleeved at the right end of the fixed shaft 2436 in order to drive a filter plate 2413 to alternately swing forwards and reversely, one end on the right side of the circular plate 2437 is connected with a hinging rod 2438 through a pin shaft, the bottom end of the hinging rod 2438 is hinged to a rack 2439, the top of the motor box 12 is connected with a sliding groove along the front-rear direction, the rack 2439 is connected with the sliding groove in a sliding mode, the top of the rack 2439 is connected with a driving gear 24310 in a meshed mode, a driving gear 24310 is sleeved on a mounting shaft 24311, the right end of the mounting shaft 24311 is connected to a left rotating shaft 2412, when the circular plate 2437 rotates, the mounting shaft 24311 can be driven by the driving gear 24310 to rotate positively and negatively alternately, the rotating shaft 2412 can drive the filter plate 2413 to swing alternately, and the filter plate 2413 can swing alternately at a slow speed because the driven gear 2435 is slowed down, and the filter plate 2413 swinging slowly can give sufficient impact time to flowing air so as to blow off dust better.
Example 2
As shown in fig. 1 to 4, in order to conveniently collect dust blown down from the rear side of the filter plate 2413 by high-speed air, the dust collection part 242 includes a through groove 2421 formed at the bottom of the square tube 2411, and the through groove 2421 is located at the rear side of the movable rod 24141, so that dust falling down on the swinging filter plate 2413 can pass through the through groove 2421, in order to conveniently take out the dust collection groove 2422, a groove 2423 is formed at the top of the motor case 12, the dust collection groove 2422 opposite to the through groove 2421 is placed in the groove 2423, and the top of the dust collection groove 2422 is brought into contact with the square tube 2411, so that dust passing through the through groove 2421 can fall into the dust collection groove 2422, and can be taken out by moving it over the groove 2423.
To facilitate movement of the dust collection groove 2422, a handle for a user to grasp is connected to the right side of the dust collection groove 2422.
The rest of the structure is the same as in embodiment 1.
The operation process comprises the following steps: the gypsum to be polished is placed on the placing table 16, the motor 13 and the exhaust fan 25 are started, the gypsum is polished through the rotation of the grinding wheel 15, dust generated during polishing is sucked away through the dust suction head 21, then the dust is transmitted through the exhaust fan 22, then the dust is sequentially sucked away through the rear communicating pipe 23, the square pipe 2411, the filter plate 2413 and the front communicating pipe 23, finally the gypsum is pumped away by the exhaust fan 25, when the dust-bearing air passes through the square pipe 2411, the dust-bearing air is blocked by the rotating rollers 24143 and the movable rods 24141 on the two sides of the top and bottom, the dust can only pass through the filter plate 2413, the dust is blocked on the rear side of the filter plate 2413, then when the motor 13 drives the grinding wheel 15 to rotate, the first driving wheel 2432 through the chain, the connecting shaft 2431 can drive the driving gear 2434 to rotate, and then the meshed driven gear 2435 to rotate, and the fixed shaft 2436 and the circular plate 2437 rotate, so that the hinged rod 2438 drives the rack 2439 to reciprocate in the front and the rear direction, and then the driving gear 383525 drives the filter plate 2413 to alternately rotate, and the dust can still flow through the filter plate 2413, and can be blown into the filter plate 2413, and can be cleaned through the filter plate 2413, and the dust can pass through the filter plate 2413 and can be kept through the filter plate 2413, and the filter plate can be rotated, and the dust can be kept clean by the dust through the filter plate 2413 and the filter plate can be rotated.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a dustproof denture production is with gypsum coping device which characterized in that: the dust treatment device comprises a body (1) and a dust treatment mechanism (2), wherein the body (1) comprises a support (11), a motor box (12) is arranged on the right side of the top of the support (11), a motor (13) is arranged in the motor box (12), a grinding wheel (15) is connected with a power end of the left side of the motor (13) penetrating through a protection cover (14), the bottom of the protection cover (14) is fixedly connected onto the support (11), a processing opening is formed in the left side of the protection cover (14), and a placing table (16) is connected with the protection cover (14) through the processing opening; the dust treatment mechanism (2) comprises a dust collection head (21) arranged in the protective cover (14), the dust collection head (21) is communicated with one end of an exhaust pipe (22), the other end of the exhaust pipe (22) penetrates through the protective cover (14) and is communicated with a communicating pipe (23), two groups of communicating pipes (23) are arranged at the top of the motor case (12), the exhaust pipe (22) is communicated with the rear side of the communicating pipe (23), dust collection assemblies (24) are communicated with the opposite sides of the two groups of communicating pipes (23), the front side of the communicating pipe (23) is communicated with an exhaust opening of an exhaust fan (25), and the exhaust fan (25) is arranged on the motor case (12);
the dust removing assembly (24) comprises dust blocking parts (241) connected with the two groups of communicating pipes (23), the dust blocking parts (241) are movably connected with the dust collecting parts (242), and the dust blocking parts (241) are provided with transmission parts (243);
the dust blocking part (241) comprises square tubes (2411) connected to opposite sides of the two groups of communicating tubes (23), two ends of each square tube (2411) are rotatably connected with rotating shafts (2412) through bearings, filter plates (2413) with left and right sides being attached to inner walls of the square tubes (2411) are arranged on opposite sides of the two groups of rotating shafts (2412), and two sides of the top and bottom of each filter plate (2413) are movably connected with a telescopic structure (2414);
the telescopic structure (2414) comprises two groups of movable rods (24141) with the same structure, the two groups of movable rods (24141) penetrate through the top and bottom sides of the square tube (2411) respectively, the movable rods (24141) are in sliding connection with the square tube (2411), the two groups of movable rods (24141) are respectively provided with semicircular grooves (24142) on the opposite sides, the two groups of semicircular grooves (24142) are respectively provided with rotary rollers (24143) with outer walls attached to the semicircular grooves (24142) through bearings in a rotating mode, the two groups of rotary rollers (24143) are respectively attached to the top and bottom sides of the filter plate (2413), the two groups of movable rods (24141) are respectively provided with connecting sleeves (24144), the two groups of connecting sleeves (24144) are respectively arranged on vertical rods (24145) in a sliding mode, the top and bottom ends of the vertical rods (24145) are respectively provided with mounting blocks, the mounting blocks are arranged on the motor box (12), the middle portions of the vertical rods (24145) are respectively provided with rotary rollers (24143) with outer walls attached to the semicircular grooves, and the bottoms of the rotary rollers (24146) are respectively provided with connecting blocks (24145).
2. The dust-proof and dust-removing plaster coping device for denture production according to claim 1, wherein: the dust collection part (242) comprises a through groove (2421) formed in the bottom of the square pipe (2411), the through groove (2421) is located at the rear side of the movable rod (24141), a groove (2423) is formed in the top of the motor box (12), a dust collection groove (2422) opposite to the through groove (2421) is formed in the groove (2423), and the top of the dust collection groove (2422) is in contact with the square pipe (2411).
3. The dust-proof and dust-removing plaster coping device for denture production according to claim 2, wherein: the right side of the dust collection groove (2422) is connected with a handle.
4. The dust-proof and dust-removing plaster coping device for denture production according to claim 1, wherein: the transmission part (243) comprises a connecting shaft (2431) rotatably mounted at the top of the motor case (12) through a bearing, a first transmission wheel (2432) is sleeved on the connecting shaft (2431), a second transmission wheel (2433) is sleeved at the right end of the motor (13), the first transmission wheel (2432) is in transmission connection with the second transmission wheel (2433) through a chain, a driving gear (2434) is sleeved at the right end of the connecting shaft (2431), a driven gear (2435) is meshed with the top of the driving gear (2434), the driven gear (2435) is sleeved on a fixed shaft (2436), the fixed shaft (2436) is rotatably mounted at the top of the motor case (12) through a bearing, a circular plate (2437) is sleeved at the right end of the fixed shaft (2436), one end of the right side of the circular plate (2437) is connected with a hinging rod (2438) through a pin shaft, the bottom end of the hinging rod (2438) is hinged on a rack (2439), the rack (2439) is in sliding connection with the motor case (12), the driven gear (2439) is meshed with the rack (2483), and the driving shaft (6283) is connected with the top of the driving shaft (24310) in a sleeved mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658128.3A CN114290194B (en) | 2021-12-30 | 2021-12-30 | Dustproof and dust-removing gypsum coping device for denture production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658128.3A CN114290194B (en) | 2021-12-30 | 2021-12-30 | Dustproof and dust-removing gypsum coping device for denture production |
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| Publication Number | Publication Date |
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| CN114290194A CN114290194A (en) | 2022-04-08 |
| CN114290194B true CN114290194B (en) | 2023-10-03 |
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| CN202111658128.3A Active CN114290194B (en) | 2021-12-30 | 2021-12-30 | Dustproof and dust-removing gypsum coping device for denture production |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020065648A (en) * | 2001-02-07 | 2002-08-14 | 손경춘 | Mardle Grinder |
| CN207272924U (en) * | 2017-08-26 | 2018-04-27 | 惠东县裕顺鞋业有限公司 | It is a kind of to be easy to dust-proof factory with environmentally friendly sanding apparatus |
| CN108656257A (en) * | 2018-07-19 | 2018-10-16 | 安徽云帆科技咨询有限公司 | A kind of timber cutting sawdust collection device |
| CN208409604U (en) * | 2018-04-11 | 2019-01-22 | 长春诚成汽车零部件有限公司 | Grinding device is used in a kind of production of auto-parts |
| CN112026416A (en) * | 2020-07-20 | 2020-12-04 | 安徽振华柳木工艺品有限公司 | Environment-friendly equipment is used in processing of bamboo wood handicraft |
| CN213004559U (en) * | 2020-08-12 | 2021-04-20 | 合肥泉宝机械有限公司 | Grinding and polishing machine for grinding and polishing |
-
2021
- 2021-12-30 CN CN202111658128.3A patent/CN114290194B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020065648A (en) * | 2001-02-07 | 2002-08-14 | 손경춘 | Mardle Grinder |
| CN207272924U (en) * | 2017-08-26 | 2018-04-27 | 惠东县裕顺鞋业有限公司 | It is a kind of to be easy to dust-proof factory with environmentally friendly sanding apparatus |
| CN208409604U (en) * | 2018-04-11 | 2019-01-22 | 长春诚成汽车零部件有限公司 | Grinding device is used in a kind of production of auto-parts |
| CN108656257A (en) * | 2018-07-19 | 2018-10-16 | 安徽云帆科技咨询有限公司 | A kind of timber cutting sawdust collection device |
| CN112026416A (en) * | 2020-07-20 | 2020-12-04 | 安徽振华柳木工艺品有限公司 | Environment-friendly equipment is used in processing of bamboo wood handicraft |
| CN213004559U (en) * | 2020-08-12 | 2021-04-20 | 合肥泉宝机械有限公司 | Grinding and polishing machine for grinding and polishing |
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| CN114290194A (en) | 2022-04-08 |
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