CN113523985A - Quick maintenance device for large cam of bottle making machine - Google Patents
Quick maintenance device for large cam of bottle making machine Download PDFInfo
- Publication number
- CN113523985A CN113523985A CN202110821237.6A CN202110821237A CN113523985A CN 113523985 A CN113523985 A CN 113523985A CN 202110821237 A CN202110821237 A CN 202110821237A CN 113523985 A CN113523985 A CN 113523985A
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- CN
- China
- Prior art keywords
- top surface
- fixed mounting
- making machine
- bottle
- sprocket
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
- B24B55/03—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant designed as a complete equipment for feeding or clarifying coolant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a quick maintenance device for a large cam of a bottle making machine, and mainly relates to the field of maintenance equipment of bottle making machines. The utility model provides a quick maintenance device is used to big cam of bottle-making machine, the on-line screen storage device comprises a base, cut fork elevating system's top surface fixed mounting lift platform, the first electric push rod of upper portion fixed mounting of the preceding one side of riser, the other end fixed mounting emery wheel of first pivot, the first sprocket of periphery fixed mounting of first pivot, the preceding upper portion fixed mounting motor of riser, the output end fixed mounting second sprocket of motor, the second sprocket passes through the chain with first sprocket and is connected, one side of lift platform top surface is equipped with overspeed device tensioner, lift platform's top surface is equipped with spray set. The invention has the beneficial effects that: this device can directly polish the big cam of bottle-making machine through the emery wheel and maintain when using, need not dismantle big cam, has improved user's work efficiency greatly.
Description
Technical Field
The invention mainly relates to the field of bottle making machine maintenance equipment, in particular to a quick maintenance device for a large cam of a bottle making machine.
Background
In the glass bottle industry, glass bottles are formed into various glass bottles and cans (e.g., glass wine bottles, glass perfume bottles, glass beer cans, glass cans, etc.) by a glass making machine. The production and manufacture of penicillin bottles and medical medicine bottles also need to use a bottle-making machine to fire and shape the glass tube material. The inside big cam of bottle-making machine is the core part of bottle-making machine in process of production, big cam can be continuous wearing and tearing in process of production, can lead to big cam surface roughness to uprise after using for a long time, the great deviation takes place for the size that leads to after the glass bottle shaping, greatly reduced the qualification rate of glass bottle, can't satisfy high-efficient production mode, need shift to the polishing station and polish after dismantling big cam to bottle-making machine big cam among the prior art, because the great difficult dismantlement of big cam weight, and big cam polishing is accomplished the back and is very easily taken place the deviation when resetting the installation, need the user to adjust repeatedly, inconvenient user's use, influence the production of bottle-making machine, greatly reduced user's work efficiency.
Disclosure of Invention
The quick maintenance device for the large cam of the bottle making machine is used, when the quick maintenance device is used, the large cam of the bottle making machine does not need to be detached for grinding, the quick maintenance device is moved to the front of the bottle making machine during grinding, the height of the quick maintenance device is adjusted through the scissor-fork type lifting mechanism, the position of the grinding wheel is adjusted through the first electric push rod, the grinding wheel can be in contact with the large cam of the bottle making machine, the large cam of the bottle making machine can be ground and polished through the grinding wheel, and the quick maintenance device is convenient for a user to use.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a quick maintenance device for a large cam of a bottle making machine comprises a base, wherein a scissor-type lifting mechanism with a power device is installed on the top surface of the base, a lifting platform is fixedly installed on the top surface of the scissor-type lifting mechanism, a vertical plate is fixedly installed at the rear part of the top surface of the lifting platform, a first electric push rod is fixedly installed at the upper part of one side in front of the vertical plate, the top surface of a movable rod of the first electric push rod is fixedly connected with the rear part of a first fixed block, a square hole is formed in one side of the first fixed block, a square rod is movably installed in the square hole, one end of the square rod is movably connected with the first fixed block through a telescopic mechanism, the other end of the square rod is rotatably connected with one end of a first rotating shaft through a bearing, a grinding wheel is fixedly installed at the other end of the first rotating shaft, a first chain wheel is fixedly installed at the periphery of the first rotating shaft, and a motor is fixedly installed at the upper part in front of the vertical plate, the output end of the motor is fixedly provided with a second chain wheel, the second chain wheel is connected with the first chain wheel through a chain, one side of the top surface of the lifting platform is provided with a tensioning device, the tensioning device is rotatably connected with the chain, the top surface of the lifting platform is provided with a spraying device, and the spraying device can spray a grinding wheel.
The telescopic mechanism comprises a pressure spring, a baffle is fixedly installed at one end of the square rod, the pressure spring is sleeved on the periphery of the square rod, one end of the pressure spring is fixedly connected with one side of the baffle, and the other end of the pressure spring is fixedly connected with one side of the first fixed block.
The spraying device comprises a water tank, the top surface of the lifting platform is fixedly provided with the water tank, one end of the lower part of one side of the water tank is fixedly provided with the water outlet pipe, one side of the lifting platform is fixedly provided with the water pump, the other end of the water outlet pipe is fixedly connected with the water inlet of the water pump, the top surface of the first fixed block is fixedly provided with a spraying head, and the spraying head is communicated with the water pump through a hose.
The tensioning device comprises a second electric push rod, a through hole is formed in the middle of the top surface of the lifting platform, the second electric push rod is fixedly installed in the through hole, a second fixed block is fixedly installed on the top surface of a movable rod of the second electric push rod, one side of a bearing of the second fixed block is connected with one end of a second rotating shaft, a tensioning wheel is fixedly installed at the other end of the second rotating shaft, and the tensioning wheel is connected with the chain in a transmission mode.
And four corners of the bottom surface of the base are fixedly provided with self-locking universal wheels.
Compared with the prior art, the invention has the beneficial effects that:
this device is when using, can remove this device through promoting the base, it is preceding to remove the bottle-making machine that needs maintain with this device, through cutting fork elevating system, first electric push rod, first fixed block, the square bar, the position of emery wheel is adjusted in mutually supporting between the first pivot, make the emery wheel can with the big cam direct contact of bottle-making machine, through the motor, the second sprocket, the chain, first sprocket, first pivot drives the emery wheel and rotates, make emery wheel and the big cam of bottle-making machine take place relative slip and can realize polishing to the big cam of bottle-making machine, the big cam of bottle-making machine need not be dismantled, convenience of customers' use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of the view from the direction A of FIG. 2;
fig. 4 is an enlarged view of part i of fig. 2.
Reference numerals shown in the drawings: 1. a base; 2. a scissor lift mechanism; 3. a lifting platform; 4. a vertical plate; 5. a first electric push rod; 6. a first fixed block; 7. a square hole; 8. a square bar; 9. a first rotating shaft; 10. a grinding wheel; 11. a first sprocket; 12. a motor; 13. a second sprocket; 14. a chain; 15. a pressure spring; 16. a baffle plate; 17. a water tank; 18. a water pump; 19. a shower head; 20. a hose; 21. a second electric push rod; 22. a through hole; 23. a second fixed block; 24. a second rotating shaft; 25. a tension wheel; 26. a universal wheel; 27. and (5) discharging a water pipe.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are 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 these equivalents also fall within the scope of the present application.
As shown in figures 1-4, the quick maintenance device for the large cam of the bottle making machine comprises a base 1, wherein a scissor type lifting mechanism 2 with a power device is installed on the top surface of the base 1, a lifting platform 3 is fixedly installed on the top surface of the scissor type lifting mechanism 2, a vertical plate 4 is fixedly installed on the rear portion of the top surface of the lifting platform 3, a controller is fixedly installed behind the vertical plate 4, the controller is connected with a power circuit, a first electric push rod 5 is fixedly installed on the upper portion of one side in front of the vertical plate 4, the first electric push rod 5 is connected with the power circuit and the controller circuit, the top surface of a movable rod of the first electric push rod 5 is fixedly connected with the rear portion of a first fixed block 6, a square hole 7 is formed in one side of the first fixed block 6, a square rod 8 is movably installed in the square hole 7, one end of the square rod 8 is movably connected with the first fixed block 6 through a telescopic mechanism, the other end of square bar 8 passes through the one end that the bearing rotated first pivot 9 of connection, the other end fixed mounting emery wheel 10 of first pivot 9, the first sprocket 11 of periphery fixed mounting of first pivot 9, the preceding upper portion fixed mounting motor 12 of riser 4, motor 12 and power, controller circuit connection, the output fixed mounting second sprocket 13 of motor 12, second sprocket 13 passes through chain 14 with first sprocket 11 and is connected, one side of lifting platform 3 top surface is equipped with overspeed device tensioner, overspeed device tensioner rotates with chain 14 to be connected, lifting platform 3's top surface is equipped with spray set, spray set can spray emery wheel 10.
Specifically, telescopic machanism includes pressure spring 15, the one end fixed mounting baffle 16 of square bar 8, the periphery suit pressure spring 15 of square bar 8, the one end of pressure spring 15 and one side fixed connection of baffle 16, the other end of pressure spring 15 and one side fixed connection of first fixed block 6. When the device is used, the grinding wheel 10 is in contact with the side face of the large cam of the bottle making machine, the grinding wheel 10 presses the square rod 8 leftwards through the first rotating shaft 9, the pressure spring 15 is stretched at the moment, the pressure spring 15 generates rightward pulling force to the square rod 8, the grinding wheel 10 can be attached to the side face of the large cam of the bottle making machine all the time, a user can conveniently polish and polish the large cam of the bottle making machine, the grinding wheel 10 is prevented from being separated from the large cam of the bottle making machine in the polishing process, and the polishing effect of the device is improved.
Specifically, spray set includes water tank 17, lifting platform 3's top surface fixed mounting water tank 17, the lower part fixed mounting one end of outlet pipe 27 of water tank 17 one side, one side fixed mounting water pump 18 of lifting platform 3, water pump 18 and power, controller circuit connection, the other end of outlet pipe 27 and the water inlet fixed connection of water pump 18, the top surface fixed mounting shower head 19 of first fixed block 6, the delivery port of shower head 19 is towards emery wheel 10, shower head 19 passes through hose 20 with water pump 18 and communicates. When the large cam of the bottle making machine is polished, the power supply of the water pump 18 is switched on, water in the water tank 17 is sprayed to the grinding wheel 10 from the spray head 19 through the water pump 18 and the water outlet pipe 27 through the hose 20, the temperature is prevented from being too high when the large cam of the bottle making machine is polished, and the dust amount generated during polishing can be reduced.
Specifically, the tensioning device includes a second electric push rod 21, a through hole 22 is formed in the middle of the top surface of the lifting platform 3, the second electric push rod 21 is fixedly installed in the through hole 22, a second fixed block 23 is fixedly installed on the top surface of a movable rod of the second electric push rod 21, one side of the second fixed block 23 is connected with one end of a second rotating shaft 24 through a bearing, a tensioning wheel 25 is fixedly installed at the other end of the second rotating shaft 24, and the tensioning wheel 25 is in transmission connection with the chain 14. This device is when using, the user can make the movable rod of second electric push rod 21 extend or shrink through the controller, when first electric push rod 5 is through first fixed block 6, square bar 8 drives first pivot 9 when moving forward, first pivot 9 drives first sprocket 11 synchronous motion, the user makes the movable rod of second electric push rod 21 pass through second fixed block 23 through the controller when first sprocket 11 removes, second pivot 24 drives take-up pulley 25 rebound, make chain 14 can adjust along with the removal of first sprocket 11, prevent 14 fracture of chain or drop, improve the reliability of this device.
Specifically, the four corners of the bottom surface of the base 1 are fixedly provided with self-locking universal wheels 26. This structural design can reduce the frictional force between base 1 and the ground, and the person of facilitating the use removes this device, person's of facilitating the use.
Example (b):
when the device is used, the device is moved to the front of a bottle making machine to be maintained by pushing the base, the height of the device is adjusted by the scissor-fork type lifting mechanism, so that the grinding wheel is at a proper height (even if the height of the grinding wheel is flush with a position to be polished, the grinding wheel can be adjusted according to the requirements of a user and the actual situation of a site), then the user can enable the movable rod of the first electric push rod to extend by the controller, the movable rod of the first electric push rod drives the grinding wheel to move forwards by the first fixed block, the square rod and the first rotating shaft, so that the grinding wheel can be contacted with a large cam in the bottle making machine, the user can enable the tensioning wheel to move upwards by the second electric push rod while the first rotating shaft moves, so that a chain keeps proper tightness, and the chain is prevented from being broken or falling off; during polishing, a power supply of the motor is switched on, an output shaft of the motor drives the grinding wheel to rotate through the second chain wheel, the chain, the first chain wheel and the first rotating shaft which are connected with the motor, so that the grinding wheel and the large cam of the bottle making machine rotate relatively, the large cam of the bottle making machine is polished and maintained, the use is convenient for a user, the large cam can rotate in the polishing process, and the large cam of the bottle making machine can be polished more comprehensively. This device can carry out online maintenance to the big cam of bottle-making machine when using, need not dismantle big cam and polish again after getting off, avoided because of big cam produced deviation when the installation, need not the user after the polishing is accomplished repeatedly the position of calibration regulation big cam, greatly reduced user's work load, improved user's work efficiency, the person's of facilitating the use.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a bottle-making machine big cam is with quick maintenance device, includes base (1), its characterized in that: a scissor type lifting mechanism (2) with a power device is installed on the top surface of the base (1), a lifting platform (3) is fixedly installed on the top surface of the scissor type lifting mechanism (2), a vertical plate (4) is fixedly installed on the rear portion of the top surface of the lifting platform (3), a first electric push rod (5) is fixedly installed on the upper portion of one side of the front surface of the vertical plate (4), the top surface of a movable rod of the first electric push rod (5) is fixedly connected with the back of a first fixed block (6), a square hole (7) is formed in one side of the first fixed block (6), a square rod (8) is movably installed in the square hole (7), one end of the square rod (8) is movably connected with the first fixed block (6) through a telescopic mechanism, the other end of the square rod (8) is rotatably connected with one end of a first rotating shaft (9) through a bearing, and a grinding wheel (10) is fixedly installed at the other end of the first rotating shaft (9), the periphery fixed mounting first sprocket (11) of first pivot (9), the preceding upper portion fixed mounting motor (12) of riser (4), the output fixed mounting second sprocket (13) of motor (12), second sprocket (13) are connected through chain (14) with first sprocket (11), one side of lift platform (3) top surface is equipped with overspeed device tensioner, overspeed device tensioner rotates with chain (14) to be connected, the top surface of lift platform (3) is equipped with spray set, spray set can spray emery wheel (10).
2. The quick maintenance device for the large cam of the bottle making machine according to claim 1, characterized in that: the telescopic mechanism comprises a pressure spring (15), a baffle (16) is fixedly installed at one end of a square rod (8), the pressure spring (15) is sleeved on the periphery of the square rod (8), one end of the pressure spring (15) is fixedly connected with one side of the baffle (16), and the other end of the pressure spring (15) is fixedly connected with one side of a first fixing block (6).
3. The quick maintenance device for the large cam of the bottle making machine according to claim 1, characterized in that: the spraying device comprises a water tank (17), a top surface fixed mounting water tank (17) of the lifting platform (3), one end of a lower part fixed mounting water outlet pipe (27) on one side of the water tank (17), one side fixed mounting water pump (18) of the lifting platform (3), the other end of the water outlet pipe (27) is fixedly connected with a water inlet of the water pump (18), a top surface fixed mounting spray header (19) of the first fixed block (6), and the spray header (19) is communicated with the water pump (18) through a hose (20).
4. The quick maintenance device for the large cam of the bottle making machine according to claim 1, characterized in that: the tensioning device comprises a second electric push rod (21), a through hole (22) is formed in the middle of the top surface of the lifting platform (3), the second electric push rod (21) is fixedly installed in the through hole (22), a second fixed block (23) is fixedly installed on the top surface of a movable rod of the second electric push rod (21), one side of the second fixed block (23) is connected with one end of a second rotating shaft (24) through a bearing, a tensioning wheel (25) is fixedly installed at the other end of the second rotating shaft (24), and the tensioning wheel (25) is in transmission connection with the chain (14).
5. The quick maintenance device for the large cam of the bottle making machine according to claim 1, characterized in that: and four corners of the bottom surface of the base (1) are fixedly provided with self-locking universal wheels (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821237.6A CN113523985A (en) | 2021-07-20 | 2021-07-20 | Quick maintenance device for large cam of bottle making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821237.6A CN113523985A (en) | 2021-07-20 | 2021-07-20 | Quick maintenance device for large cam of bottle making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113523985A true CN113523985A (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110821237.6A Pending CN113523985A (en) | 2021-07-20 | 2021-07-20 | Quick maintenance device for large cam of bottle making machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN113523985A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3851563A (en) * | 1971-06-30 | 1974-12-03 | Habib Robert | Machine tool |
| CN207189391U (en) * | 2017-06-05 | 2018-04-06 | 江苏省（扬州）数控机床研究院 | A kind of disc polisher |
| CN108081097A (en) * | 2017-11-08 | 2018-05-29 | 闽南理工学院 | It is a kind of can Automatic-clamping stop abrasive wheel cutting machine |
| CN108890428A (en) * | 2018-08-27 | 2018-11-27 | 北京艺轩吉装饰工程有限公司 | A kind of decorative engineering lift dust-free wall surface sander |
| CN209551390U (en) * | 2019-03-04 | 2019-10-29 | 盐城金盛防护用品有限公司 | A kind of shoes processing and fabricating sole grinding device |
| CN211361687U (en) * | 2019-11-21 | 2020-08-28 | 昆明守护神保安设备有限公司 | Angle grinder for machining steel antitheft door |
| CN111618680A (en) * | 2020-06-18 | 2020-09-04 | 湖北丽阁铝业科技有限公司 | Novel aluminum product processing is with polishing device |
| CN212071524U (en) * | 2020-04-30 | 2020-12-04 | 佛山市顺德区松喜焊机有限公司 | Five-axis polishing machine |
| CN112123082A (en) * | 2020-09-27 | 2020-12-25 | 湖南润华新材料有限公司 | A polishing saw limit device that is used for panel for fire hose box production line |
| CN212824492U (en) * | 2020-08-27 | 2021-03-30 | 来安县金泰机械制造有限公司 | Machine tool part machining device |
| CN112676962A (en) * | 2020-12-22 | 2021-04-20 | 全椒赛德利机械有限公司 | Grinding machine device for machining radiator |
-
2021
- 2021-07-20 CN CN202110821237.6A patent/CN113523985A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3851563A (en) * | 1971-06-30 | 1974-12-03 | Habib Robert | Machine tool |
| CN207189391U (en) * | 2017-06-05 | 2018-04-06 | 江苏省（扬州）数控机床研究院 | A kind of disc polisher |
| CN108081097A (en) * | 2017-11-08 | 2018-05-29 | 闽南理工学院 | It is a kind of can Automatic-clamping stop abrasive wheel cutting machine |
| CN108890428A (en) * | 2018-08-27 | 2018-11-27 | 北京艺轩吉装饰工程有限公司 | A kind of decorative engineering lift dust-free wall surface sander |
| CN209551390U (en) * | 2019-03-04 | 2019-10-29 | 盐城金盛防护用品有限公司 | A kind of shoes processing and fabricating sole grinding device |
| CN211361687U (en) * | 2019-11-21 | 2020-08-28 | 昆明守护神保安设备有限公司 | Angle grinder for machining steel antitheft door |
| CN212071524U (en) * | 2020-04-30 | 2020-12-04 | 佛山市顺德区松喜焊机有限公司 | Five-axis polishing machine |
| CN111618680A (en) * | 2020-06-18 | 2020-09-04 | 湖北丽阁铝业科技有限公司 | Novel aluminum product processing is with polishing device |
| CN212824492U (en) * | 2020-08-27 | 2021-03-30 | 来安县金泰机械制造有限公司 | Machine tool part machining device |
| CN112123082A (en) * | 2020-09-27 | 2020-12-25 | 湖南润华新材料有限公司 | A polishing saw limit device that is used for panel for fire hose box production line |
| CN112676962A (en) * | 2020-12-22 | 2021-04-20 | 全椒赛德利机械有限公司 | Grinding machine device for machining radiator |
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Application publication date: 20211022 |
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| RJ01 | Rejection of invention patent application after publication |