CN108890546B - Automatic production line for diamond abrasive disc - Google Patents
Automatic production line for diamond abrasive disc Download PDFInfo
- Publication number
- CN108890546B CN108890546B CN201810567047.4A CN201810567047A CN108890546B CN 108890546 B CN108890546 B CN 108890546B CN 201810567047 A CN201810567047 A CN 201810567047A CN 108890546 B CN108890546 B CN 108890546B
- Authority
- CN
- China
- Prior art keywords
- roller
- shaft
- plate
- mounting
- aluminum alloy
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0054—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by impressing abrasive powder in a matrix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Coating Apparatus (AREA)
Abstract
The invention belongs to the field of diamond grinding disc manufacturing equipment, and relates to an automatic production line of diamond grinding discs. This automation line includes work piece fixture A, rubberizing system mechanism B, shakeout cylinder mechanism C, feeds module mechanism D and aluminum alloy frame E, through the quick change structure that work piece fixture A contained, can realize the material loading and unload fast, utilizes the supporting point gum system of gluing system mechanism B to realize that the work piece is high-efficient to be glued, utilizes the shakeout position of shakeout cylinder mechanism C accurate positioning cylinder to realize the sand-feeding of work piece. Compared with the traditional manual operation mode of the diamond grinding disc, the invention can improve the production efficiency of the diamond grinding disc, improve the yield of products and reduce the labor intensity.
Description
Technical Field
The invention belongs to the field of diamond grinding disc manufacturing equipment, and particularly relates to an automatic production line of diamond grinding discs, which is special equipment for automatically producing diamond grinding discs.
Background
At present, the diamond abrasive disc becomes a polishing tool widely applied to the social industrial production and the building industry production, and is mainly applied to polishing and processing of hard and brittle materials such as stone, glass, ceramics, concrete and the like. However, in the existing industry technology, both domestic and foreign, the production of the diamond grinding sheet is completed by manual operation, and during the manual operation, the grinding sheet is put into a special die sleeve, and only a single grinding sheet can be manually glued and manually sanded each time. The problems of uneven gluing and sanding and the like exist, so that the traditional diamond grinding sheet has lower processing efficiency, the sizes of the diamond grinding sheets finished by manual operation are not uniform, and the yield of products is lower. The automatic production line of the diamond grinding disc disclosed by the invention can improve the production efficiency and the yield of the diamond grinding disc.
Disclosure of Invention
Aiming at the problems of low efficiency, high labor intensity, low yield and the like of the traditional diamond grinding disc manual operation, the invention designs an automatic production line, solves the technical problem of the automatic production line of the diamond grinding disc, realizes the large-scale production of the diamond grinding disc, and improves the production efficiency and the product quality of the diamond grinding disc.
In order to achieve the purpose, the main technical scheme of the invention is as follows: an automatic production line of diamond abrasive discs comprises a workpiece clamping mechanism A, a gluing system mechanism B, a shakeout roller mechanism C, a feeding module mechanism D and an aluminum alloy frame E; the workpiece clamping mechanism A is used for quickly clamping a workpiece; the gluing system mechanism B is used for dispensing workpieces; the shakeout roller mechanism C is used for sanding the workpiece; the feeding module mechanism D is used for realizing the movement and the positioning of the workpiece among all stations; the aluminum alloy frame E is divided into two layers, the upper layer is used for mounting a workpiece clamping mechanism A, a gluing system mechanism B, a shakeout roller mechanism C and a feeding module mechanism D, the workpiece clamping mechanism A, the gluing system mechanism B and the shakeout roller mechanism C are fixed on a bedplate of the aluminum alloy frame E through bolts, and the feeding module mechanism D is fixed above the aluminum alloy frame E through bolts; the lower layer is used for placing a glue barrel and a power supply required by the motor; the aluminum alloy frame E is integrally mounted on wheels, thereby realizing movement of the entire production line.
Further, the workpiece clamping mechanism a comprises a disk movable die 101, a disk fixed die 102, a material 103, a rotating sleeve shaft 104, a connecting head 105, a double-output-shaft stepping motor 108 and a motor mounting seat; the disc movable mould 101 and the disc fixed mould 102 are used for clamping a material 103 and are fixed on a rotating sleeve shaft 104; the rotating sleeve shaft 104 is connected with two output shafts of a double-output-shaft stepping motor 108 through a connector 105, and the double-output-shaft stepping motor 108 drives the rotating sleeve shaft 104 to rotate so as to drive a workpiece to rotate in the processes of dispensing and sanding; the motor mounting seat is used for mounting a double-output-shaft stepping motor 108 and consists of a bearing plate 106, a mounting plate 107 and a fixing plate 109, and the motor mounting seat is mounted on an electric cylinder 210 through bolts.
Further, the feeding module mechanism D includes an electric cylinder 210, a linear module 211, a connecting plate 212, and a mounting base 213; the electric cylinder 210 is fixed on the connecting plate 212 and used for installing a motor mounting seat of the workpiece clamping mechanism A to realize the up-and-down movement of the workpiece clamping mechanism A; the linear module 211 is mounted on the mounting seat 213, is connected with the connecting plate 212 by a sliding block, and is used for driving the workpiece clamping mechanism A to integrally move towards the dispensing station and the sanding station; the mounting seat 213 is fixed on the aluminum alloy frame E.
Further, the gluing system mechanism B comprises a glue dispensing system and a fine-tuning glue box table-board mechanism; the dispensing system is an existing mature system; the fine-tuning glue box table-board mechanism comprises a glue box platform mounting bracket 301, a fine-tuning knob 302, a sliding plate 303, a guide flat key 304, a glue box platform 305, a fine-tuning long shaft 306, a rack 307, a gear 308 and a bearing seat 309; the gear 308 is installed at two ends of the fine adjustment long shaft 306, the long shaft 306 is fixed on the bearing seat 309, the fine adjustment knob 302 is installed at one end of the long shaft 306, the rack 307 is installed on the sliding plate 303 and meshed with the gear 308, the gear 308 is driven to rotate by rotating the fine adjustment knob 302, and the lifting of the platform is driven by the meshing of the rack 307 and the gear 308.
Further, the shakeout drum mechanism C includes a drum 401, a flange coupling 402, a drum mounting shaft 403, a timing pulley 404, a timing belt 405, a timing pulley 406, a drum mounting plate 409, a drum support plate 412, a base plate 413, a linear module 407, and a motor 414; the roller 401 is installed on a roller installation shaft 403 through a flange coupling 402, the synchronous pulley 404 is installed at one end of the roller installation shaft 403, the synchronous pulley 406 is installed at the output end of the motor 414, and power is transmitted through the synchronous belt 405; the roller mechanisms are mounted on the linear module 407, and relative movement of the roller mechanisms on two sides is realized through the positive and negative tooth lead screws of the linear module 407.
Furthermore, the scraping blade inside the roller 401 of the shakeout roller mechanism C forms an angle of 60 degrees with the tangential direction of the rotation of the roller, and when the rotation speed of the roller is 120rpm, the best state of the sanding effect is achieved.
Compared with a manual operation mode of the diamond grinding disc, the device provided by the invention has the advantages that the production efficiency of the diamond grinding disc is improved, the yield of products is improved, and the labor intensity is reduced.
Drawings
FIG. 1 is a schematic view of an automated production line for diamond grinding plates.
Fig. 2 is a schematic view of a workpiece holding mechanism.
Fig. 3 is a schematic view of a feed module mechanism.
Fig. 4 is a schematic diagram of a fine-tuning glue box table-board mechanism.
Fig. 5 schematic diagram of a roller shakeout mechanism.
Fig. 6 is a schematic view of the internal structure of the drum.
Detailed Description
The invention is further described below with reference to the figures and examples.
Fig. 1 is an overall schematic view of an automatic production line of a diamond grinding disc according to the present invention, which is composed of a workpiece clamping mechanism a, a gluing system mechanism B, a shakeout roller mechanism C, a feeding module mechanism D, and an aluminum alloy frame E.
The aluminum alloy frame E is divided into two layers, the upper layer is used for mounting a workpiece clamping mechanism A, a gluing system mechanism B, a shakeout roller mechanism C and a feeding module mechanism D, the workpiece clamping mechanism A, the gluing system mechanism B and the shakeout roller mechanism C are fixed on a bedplate of the aluminum alloy frame E through bolts, and the feeding module mechanism D is fixed above the aluminum alloy frame E through bolts; the lower layer is used for placing a glue barrel and a power supply required by the motor; the aluminum alloy frame E is integrally mounted on wheels, thereby realizing movement of the entire production line.
The structure schematic diagram of the workpiece clamping mechanism a is shown in fig. 2, and comprises a disk movable die 101, a disk fixed die 102, a rotating sleeve shaft 104, a connecting head 105, a double-output-shaft stepping motor 108 and a motor mounting seat; wherein, the disk movable mould 101 and the disk fixed mould 102 are used for clamping the material 103 and are fixed on the rotating sleeve shaft 104; the rotating sleeve shaft 104 is connected with an output shaft of a double-output-shaft stepping motor 108 through a connector 105, and the double-output-shaft stepping motor 108 drives the rotating sleeve shaft 104 to rotate so as to drive a workpiece to rotate in the processes of dispensing and sanding; the motor mounting seat is used for mounting the double-output-shaft stepping motor 108 and consists of a bearing plate 106, a mounting plate 107 and a fixing plate 109, and the motor mounting seat is mounted on the electric cylinder 210 through bolts.
The schematic diagram of the feeding module mechanism D is shown in fig. 3, and includes an electric cylinder 210, a linear module 211, a connecting plate 212, and a mounting seat 213. The electric cylinder 210 is fixed on the connecting plate 212 and used for installing a motor mounting seat of the workpiece clamping mechanism A to realize the up-and-down movement of the workpiece clamping mechanism A; the linear module 211 is installed on the installation base 213, is connected with the connecting plate 212 by a sliding block, and is used for driving the workpiece clamping mechanism A to integrally move towards the dispensing station and the sanding station; the mount 213 is fixed to the aluminum alloy frame E.
After the workpiece is fed, the linear module 211 in the feeding module mechanism D drives the workpiece clamping mechanism to move integrally to the dispensing station, and the accurate positioning is achieved through the position sensor of the linear module. When the glue dispensing station is arranged above the glue dispensing station, the height of the workpiece clamping mechanism A is adjusted through the electric cylinder 210, and the glue dispensing position is aligned.
The glue applying system mechanism B comprises a glue dispensing system and a fine-tuning glue box table mechanism, wherein the glue dispensing system is a mature system, the fine-tuning glue box table mechanism is schematically shown in fig. 4, and comprises a glue box platform mounting bracket 301, a fine-tuning knob 302, a sliding plate 303, a guide flat key 304, a glue box platform 305, a fine-tuning long shaft 306, a rack 307, a gear 308 and a bearing seat 309, the gear 308 is mounted at two ends of the fine-tuning long shaft 306, the long shaft 306 is fixed on the bearing seat 309, the fine-tuning knob 302 is mounted at one end of the long shaft 306, the rack 307 is mounted on the sliding plate 303 and is meshed with the gear 308, the gear 308 is driven to rotate by rotating the fine-tuning knob 302.
When the change of the overall dimension of the material is large, the height of the dispensing platform is adjusted in advance through a gear rack mechanism formed by a rack 307 and a gear 308 in the fine-tuning glue box table-board mechanism. After the gluing position is determined, the back suction type glue dispensing valve is used for dispensing glue at a fixed position, and the double output shaft motor 108 drives the material to rotate, so that the gluing process of the diamond grinding sheet substrate is realized.
The schematic diagram of the shakeout drum mechanism C is shown in fig. 5, and includes a drum 401, a flange coupler 402, a drum mounting shaft 403, a synchronous pulley 404, a synchronous belt 405, a synchronous pulley 406, a drum mounting plate 409, a drum support plate 412, a bottom plate 413, a linear module 407, and a motor 414; the roller 401 is installed on a roller installation shaft 403 through a flange coupling 402, the synchronous pulley 404 is installed at one end of the roller installation shaft 403, the synchronous pulley 406 is installed at the output end of the motor 414, and power is transmitted through the synchronous belt 405; the roller mechanisms are mounted on the linear module 407, and relative movement of the roller mechanisms on two sides is realized through the positive and negative tooth lead screws of the linear module 407.
After gluing is completed, the workpiece clamping mechanism A is integrally moved to the position above the shakeout station through the linear module 211. The electric cylinder 210 adjusts the height of the material 103 so that the center of the circle of the material is concentric with the shakeout drum 401 in the shakeout drum mechanism C of fig. 5. After the material level is adjusted, the motor 414 drives the two sliding blocks of the positive and negative tooth linear module 407 to move inward, and drives the two rollers 401 to move toward the middle position at the same time. When all three workpieces on the rotating sleeve shaft 104 enter the roller 401, the motor 411 drives the roller to rotate until the designed rotating speed is reached, and the shakeout process starts. After the shakeout process is completed, the motor 414 rotates in the reverse direction, the two rollers are away from the middle position at the same time, and after the two rollers completely exit, the workshop can continue to move forward and unload the workpiece.
The internal structure of the drum 401 is shown in fig. 6, the angle between the blade and the tangential direction of the drum is 60 degrees, and when the drum speed is 120rpm, the best sanding effect is achieved. In addition, in the process of the sand falling process, carborundum in the roller should be supplemented timely so as to avoid reducing the rate of finished products of the workpieces.
Claims (5)
1. An automatic production line for diamond abrasive discs is characterized by comprising a workpiece clamping mechanism A, a gluing system mechanism B, a shakeout roller mechanism C, a feeding module mechanism D and an aluminum alloy frame E; the workpiece clamping mechanism A is used for quickly clamping a workpiece; the gluing system mechanism B is used for dispensing workpieces; the shakeout roller mechanism C is used for sanding the workpiece; the feeding module mechanism D is used for realizing the movement and the positioning of the workpiece among all stations; the aluminum alloy frame E is divided into two layers, the upper layer is used for mounting a workpiece clamping mechanism A, a gluing system mechanism B, a shakeout roller mechanism C and a feeding module mechanism D, the gluing system mechanism B and the shakeout roller mechanism C are fixed on a bedplate of the aluminum alloy frame E through bolts, the feeding module mechanism D is fixed above the aluminum alloy frame E through bolts, and the feeding module mechanism D is used for driving the workpiece clamping mechanism A to integrally move to a glue dispensing station and a sand feeding station; the lower layer of the aluminum alloy frame E is used for placing a glue barrel and a power supply required by a motor, and the aluminum alloy frame E is integrally arranged on wheels, so that the movement of the whole production line is realized;
the gluing system mechanism B comprises a glue dispensing system and a fine-tuning glue box table-board mechanism; the fine-tuning rubber box table-board mechanism comprises a rubber box platform mounting bracket (301), a fine-tuning knob (302), a sliding plate (303), a guide flat key (304), a rubber box platform (305), a fine-tuning long shaft (306), a rack (307), a gear (308) and a bearing seat (309); the gear (308) is installed at two ends of the fine adjustment long shaft (306), the long shaft (306) is fixed on the bearing seat (309), the fine adjustment knob (302) is installed at one end of the long shaft (306), the rack (307) is installed on the sliding plate (303) and meshed with the gear (308), the gear (308) is driven to rotate by rotating the fine adjustment knob (302), and the platform is driven to lift through the meshing of the rack (307) and the gear (308).
2. The automatic production line of diamond grinding disc according to claim 1, characterized in that the workpiece clamping mechanism A comprises a disc movable die (101), a disc fixed die (102), a material (103), a rotating sleeve shaft (104), a connecting head (105), a double output shaft stepping motor (108) and a motor mounting seat; the disc movable die (101) and the disc fixed die (102) are used for clamping a material (103) and are fixed on the rotating sleeve shaft (104); the rotating sleeve shaft (104) is connected with two output shafts of a double-output-shaft stepping motor (108) through a connector (105), and the double-output-shaft stepping motor (108) drives the rotating sleeve shaft (104) to rotate so as to drive a workpiece to rotate in the dispensing and sanding processes; the motor mounting seat is used for mounting a double-output-shaft stepping motor (108) and comprises a bearing plate (106), a mounting plate (107) and a fixing plate (109), and the motor mounting seat is mounted on an electric cylinder (210) through bolts.
3. The automatic production line of diamond grinding plate according to claim 1, wherein the feeding module mechanism D comprises an electric cylinder (210), a linear module (211), a connecting plate (212), and a mounting seat (213); the electric cylinder (210) is fixed on the connecting plate (212) and is used for installing a motor mounting seat of the workpiece clamping mechanism A to realize the up-and-down movement of the workpiece clamping mechanism A; the linear module (211) is arranged on the mounting seat (213), is connected with the connecting plate (212) through a sliding block and is used for driving the workpiece clamping mechanism A to integrally move towards the glue dispensing station and the sand feeding station; the mounting seat (213) is fixed on the aluminum alloy frame E.
4. The automatic production line of diamond grinding disc according to claim 1, characterized in that the knockout drum mechanism C comprises a drum (401), a flange coupling (402), a drum mounting shaft (403), a synchronous pulley (404), a synchronous belt (405), a synchronous pulley (406), a drum mounting plate (409), a drum support plate (412), a bottom plate (413), a linear module (407), and a motor (414); the roller (401) is arranged on a roller mounting shaft (403) through a flange coupling (402), the synchronous pulley (404) is arranged at one end of the roller mounting shaft (403), the synchronous pulley (406) is arranged at the output end of the motor (414), and power is transmitted through the synchronous belt (405); the roller mechanisms are arranged on the linear module (407), and relative motion of the roller mechanisms on two sides is realized through the positive and negative tooth screw rods of the linear module (407).
5. The automatic production line of diamond grinding plate according to claim 1, characterized in that the inner blade of the roller (401) of the knockout roller mechanism C is 60 degrees from the tangential direction of the rotation of the roller, and the optimum state of the sanding effect is achieved when the rotation speed of the roller is 120 rpm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810567047.4A CN108890546B (en) | 2018-06-05 | 2018-06-05 | Automatic production line for diamond abrasive disc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810567047.4A CN108890546B (en) | 2018-06-05 | 2018-06-05 | Automatic production line for diamond abrasive disc |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108890546A CN108890546A (en) | 2018-11-27 |
CN108890546B true CN108890546B (en) | 2020-06-26 |
Family
ID=64344301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810567047.4A Active CN108890546B (en) | 2018-06-05 | 2018-06-05 | Automatic production line for diamond abrasive disc |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108890546B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0800449B1 (en) * | 1995-01-03 | 1999-07-07 | Reinhard Eichenberger | Method and device for producing reinforcing inserts for material composites, in particular for grinding or cutting-off wheels |
CN101480789A (en) * | 2009-01-22 | 2009-07-15 | 佛山市顺德区小太阳砂磨材料有限公司 | Flow production line of flap disc |
CN102642183A (en) * | 2012-04-19 | 2012-08-22 | 浙江工业大学 | Manufacture device of abrasive particle soft consolidation air pressure grinding wheel |
JP2013067001A (en) * | 2011-09-22 | 2013-04-18 | Dow Global Technologies Llc | Method of forming open-network polishing pad |
CN105252450A (en) * | 2014-12-04 | 2016-01-20 | 泰兴市和庆机械配件厂 | Sand wheel automatic production line |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1775110A (en) * | 1928-07-16 | 1930-09-09 | D & H Scovil Inc | Apparatus for applying abrasive to polishing wheels |
US3957593A (en) * | 1975-01-31 | 1976-05-18 | Keene Corporation | Method of forming an abrasive tool |
CN201720774U (en) * | 2010-06-25 | 2011-01-26 | 肖孟雄 | Equipment assembly line for producing vulcanized paper sanding discs |
CN102729162B (en) * | 2012-04-19 | 2014-12-03 | 浙江工业大学 | Device for manufacturing full-automatic soft fixed abrasive particle air pressure grinding wheel |
CN104924231B (en) * | 2015-07-03 | 2017-03-08 | 大连远东磨具有限公司 | A kind of emery wheel automatic assembly line |
CN106553137B (en) * | 2016-11-29 | 2019-07-30 | 湖南大学 | A kind of preparation method of diamond-resin grinding wheel |
-
2018
- 2018-06-05 CN CN201810567047.4A patent/CN108890546B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0800449B1 (en) * | 1995-01-03 | 1999-07-07 | Reinhard Eichenberger | Method and device for producing reinforcing inserts for material composites, in particular for grinding or cutting-off wheels |
CN101480789A (en) * | 2009-01-22 | 2009-07-15 | 佛山市顺德区小太阳砂磨材料有限公司 | Flow production line of flap disc |
JP2013067001A (en) * | 2011-09-22 | 2013-04-18 | Dow Global Technologies Llc | Method of forming open-network polishing pad |
CN102642183A (en) * | 2012-04-19 | 2012-08-22 | 浙江工业大学 | Manufacture device of abrasive particle soft consolidation air pressure grinding wheel |
CN105252450A (en) * | 2014-12-04 | 2016-01-20 | 泰兴市和庆机械配件厂 | Sand wheel automatic production line |
Also Published As
Publication number | Publication date |
---|---|
CN108890546A (en) | 2018-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202592190U (en) | Automobile hub rotating vibration buffing device | |
CN105081918A (en) | Worm deburring machine | |
CN109623592B (en) | Full-automatic polisher head | |
CN109366288B (en) | Automatic constant-torque trimming device for toilet seat | |
CN219747446U (en) | Small device supporting large grinding wheel stable large torque high-speed running mechanism | |
CN108890546B (en) | Automatic production line for diamond abrasive disc | |
CN209954430U (en) | Steering gear rack polishing machine table | |
CN219967516U (en) | Automatic hardware plane polishing machine | |
CN220074272U (en) | Polishing device | |
CN217668513U (en) | Rail car brake shoe inner arc grinding machine | |
CN111283489A (en) | Powder metallurgy formed product surface treatment system | |
CN104858743A (en) | Full-automatic edge grinding machine | |
CN214723001U (en) | Automatic grinding machine tool for special-shaped glass | |
CN204673406U (en) | A kind of automatic lens trim grinder | |
CN113510486A (en) | Special-shaped nut processing equipment with chamfer polishing function | |
CN210678183U (en) | Wire drawing die integral type grinds machine | |
CN209503788U (en) | A kind of aluminium oxide ceramics bucket polishing device for inner wall | |
CN221135447U (en) | Multi-station rotary force control mirror polishing machine | |
CN220074336U (en) | Polishing device | |
CN219152391U (en) | Deckle edge grinding device is used in metal sign processing | |
CN220463192U (en) | Cutter forming grinder | |
CN219725683U (en) | Multifunctional faceting machine | |
CN220094010U (en) | Automatic grinding machine for cold drawn pipes | |
CN110125796A (en) | A kind of production and processing of intelligence manufacture is mechanical and its application method | |
CN220408170U (en) | Glass bottom surface edge grinding device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |