CN216731006U - Prevent fire door processing with automatic dull polish limit device - Google Patents
Prevent fire door processing with automatic dull polish limit device Download PDFInfo
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- CN216731006U CN216731006U CN202122447462.6U CN202122447462U CN216731006U CN 216731006 U CN216731006 U CN 216731006U CN 202122447462 U CN202122447462 U CN 202122447462U CN 216731006 U CN216731006 U CN 216731006U
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- 238000012545 processing Methods 0.000 title claims abstract description 30
- 239000000428 dust Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 9
- 230000000670 limiting effect Effects 0.000 claims description 4
- 239000003550 marker Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000005498 polishing Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000000779 smoke Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model provides an automatic edge grinding device for processing a fireproof door. Prevent fire door processing and include with automatic dull polish limit device: two side plates; the support plate is fixedly arranged on one side of the two side plates close to each other; the rotating shaft is rotatably arranged on the support plate, and the top of the rotating shaft extends to the position above the support plate; the bottom plate is fixedly arranged at the top of the rotating shaft; a fire door disposed on the bottom plate; the first motor is fixedly arranged at the bottom of the support plate, and an output shaft of the first motor is fixedly connected with the rotating shaft; the support plate is fixedly arranged on one side of the two side plates close to each other, and the support plate is positioned above the support plate. The automatic burr grinding device for processing the fireproof door, provided by the utility model, has the advantages of strong stability in a grinding process, high grinding efficiency and capability of saving labor.
Description
Technical Field
The utility model relates to the technical field of polishing, in particular to an automatic edge polishing device for processing a fireproof door.
Background
A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts, etc. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.
However, prevent fire door in process of production, for making its smooth facilitate the use in surface, can use grinding device to polish usually, however, current grinding tool is mostly hand-held type, self has certain weight, the workman is when polishing the hand tired for a long time, stability is relatively poor, influence its roughness, less part of grinding device need not handheld, but can only polish to unilateral or both sides simultaneously, still need the manual work to move after polishing the completion and prevent fire door and change the side, increase the amount of labour, it is lower to polish efficiency.
Therefore, there is a need to provide a new automatic edge grinding device for processing fire doors to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of providing the automatic edge grinding device for processing the fireproof door, which has strong stability in the grinding process and high grinding efficiency and can save labor force.
In order to solve the technical problem, the automatic edge grinding device for processing the fireproof door provided by the utility model comprises: two side plates; the support plate is fixedly arranged on one side of the two side plates close to each other; the rotating shaft is rotatably arranged on the support plate, and the top of the rotating shaft extends to the position above the support plate; the bottom plate is fixedly arranged at the top of the rotating shaft; a fire door disposed on the bottom plate; the first motor is fixedly arranged at the bottom of the support plate, and an output shaft of the first motor is fixedly connected with the rotating shaft; the support plate is fixedly arranged on one side of the two side plates close to each other, and the support plate is positioned above the support plate; the cylinder is fixedly arranged at the bottom of the carrier plate; the two sliding plates are arranged at the tops of the support plates in a sliding mode, the two sliding plates are located on two sides of the bottom plate, and the tops of the two sliding plates extend to the upper portion of the support plate; the two cavities are respectively arranged on the two sliding plates and are positioned below the carrier plate.
Preferably, two all rotate in the chamber and install the screw rod, two equal fixed mounting has a gag lever post in the chamber, two equal threaded mounting has the push pedal on the screw rod, two the gag lever post all runs through correspondingly the push pedal and with corresponding push pedal sliding connection, two equal fixed mounting has the extension plate on the curb plate, two equal fixed mounting has motor two, two on the extension plate the output shaft of motor two all with corresponding screw rod fixed connection.
Preferably, two the equal fixed mounting in bottom of push pedal has the panel, two one side that the panel is close to each other all extends to corresponding outside the slide, two equal fixed mounting has motor three, two on the panel equal fixed mounting has the polishing piece on the output shaft of motor three, two the polishing piece all with one side of preventing fire door is laminated mutually.
Preferably, two movable grooves are formed in the support plate, the two sliding plates extend to the two movable grooves and are in sliding connection with the two movable grooves, the two movable grooves are internally fixedly provided with mark posts and are sleeved with springs, the two springs are close to one ends of the two springs and are fixedly connected with one side of the sliding plate and the other end of the two springs are respectively fixedly connected with the inner wall of one side of the movable groove, which is far away from the movable groove.
Preferably, the top fixed mounting of support plate has two risers, two rotate on the riser and install the gangbar, two all fixed cover is equipped with the gear on the gangbar, two the gear meshes mutually, two all fixed cover is equipped with the line roller on the gangbar, two the line roller is located correspondingly the riser is kept away from one side of gear, two all be fixed with the stay cord, two on the line roller the one end of stay cord all with corresponding one side fixed connection of slide, arbitrary one fixed mounting has motor four on the riser, motor four's output shaft and corresponding the gangbar fixed connection.
Preferably, a pressing plate is arranged at the top of the fireproof door, a rectangular block is fixedly mounted on an output shaft of the air cylinder and is rotatably connected with the top of the pressing plate, bridging plates are fixedly mounted on two sides of the two side plates, feeding grooves are formed in the two bridging plates and are matched with the fireproof door, and one sides, close to each other, of the two bridging plates are fixedly connected with the support plate and the support plate; and top plates are fixedly arranged on the tops of the two bridging plates and the two side plates.
Preferably, a dust collector is fixedly mounted outside one side of any one of the side plates, two through grooves are formed in the support plate, funnels are fixedly mounted in the through grooves, and the funnels are located below the corresponding polishing plates.
Preferably, a connecting pipe is arranged below the supporting plate, the bottoms of the two funnels are fixedly provided with connecting pipes, the bottoms of the two connecting pipes are fixedly connected with the connecting pipe, and one end of the connecting pipe extends out of any one side plate and is fixedly connected with the dust collector.
Compared with the prior art, the automatic burr grinding device for processing the fireproof door has the following beneficial effects:
the utility model provides an automatic edge grinding device for processing a fireproof door, which is characterized in that two gears are arranged to rotate so that two wire rollers can wind or release a pull rope simultaneously to adjust the distance between two sliding plates, a rotating shaft and the arrangement can facilitate the rotation of the fireproof door, the manual workload is reduced, a grinding sheet can grind the side edge of the fireproof door back and forth by the rotation of a screw rod, the whole grinding process is simple to operate, the stability of the grinding process is strong, the grinding efficiency is high, and the labor force can be saved.
Drawings
Fig. 1 is a schematic front view of a first embodiment of an automatic edge grinding apparatus for processing a fire door according to the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 3 is a schematic side view of the automatic trimming apparatus for manufacturing a fire door according to the first embodiment of the present invention;
fig. 4 is a schematic top view of a carrier plate in a first embodiment of the automatic burr grinding device for processing a fire door according to the present invention;
fig. 5 is a schematic front view of the automatic burr trimming device for processing a fire door according to the second embodiment of the present invention.
Reference numbers in the figures: 1. a side plate; 2. a support plate; 3. a rotating shaft; 4. a base plate; 5. a fire door; 6. a first motor; 7. a vertical plate; 8. a carrier plate; 9. a cylinder; 10. pressing a plate; 11. a slide plate; 12. a chamber; 13. pushing the plate; 14. a screw; 15. a panel; 16. a second motor; 17. a third motor; 18. grinding the sheets; 19. a linkage rod; 20. a fourth motor; 21. a gear; 22. a wire roller; 23. pulling a rope; 24. a vacuum cleaner; 25. a through groove; 26. a funnel; 27. and (4) connecting the pipes.
Detailed Description
The utility model is further described below with reference to the drawings and the embodiments.
First embodiment
Referring to fig. 1 to 4, in a first embodiment of the present invention, an automatic burr grinding device for processing a fire door includes: two side plates 1; the support plate 2 is fixedly arranged on one side of the two side plates 1 close to each other, and the support plate 2 can provide good support for polishing work of the fireproof door 5; the rotating shaft 3 is rotatably arranged on the support plate 2, and the top of the rotating shaft 3 extends to the upper part of the support plate 2; the rotating shaft 3 can drive the bottom plate 4 to rotate when rotating so as to realize the edge changing of the fireproof door 5, the bottom plate 4 is fixedly arranged at the top of the rotating shaft 3, and the bottom plate 4 supports the fireproof door 5, so that the grinding work is convenient; a fire door 5, the fire door 5 being disposed on the bottom plate 4; the motor I6 is fixedly arranged at the bottom of the support plate 2, an output shaft of the motor I6 is fixedly connected with the rotating shaft 3, and the motor I6 provides power for the rotating shaft 3; the support plate 8 is fixedly arranged on one side of each side plate 1 close to each other, the support plate 8 is positioned above the support plate 2, and the support plate 8 provides reliable support for the vertical plate 7, the air cylinder 9 and the like; the air cylinder 9 is fixedly arranged at the bottom of the carrier plate 8, and the air cylinder 9 pushes the pressing plate 10 to descend so as to fix the fireproof door 5; the two sliding plates 11 are arranged at the tops of the support plates 2 in a sliding mode, the two sliding plates 11 are located on two sides of the bottom plate 4, the tops of the two sliding plates 11 extend to the upper side of the support plate 8, and the distance between the two sliding plates 11 can be adjusted to adapt to fire doors with different widths and provide space for rotation of the fire doors 5; two cavities 12, two cavities 12 set up respectively on two slide 11, two cavities 12 are located the below of support plate 8, cavity 12 provides certain guard action and makes things convenient for the removal of push pedal 13 for screw rod 14.
For making push pedal 13 can drive two 16 horizontal migration of motor, two all rotate in the cavity 12 and install screw rod 14, two equal fixed mounting has the gag lever post in the cavity 12, and the gag lever post can provide the rotation restriction for push pedal 13, two equal threaded mounting has push pedal 13, two on the screw rod 14 the gag lever post all runs through correspondingly push pedal 13 and with corresponding 13 sliding connection of push pedal can drive three 17 simultaneous movement of motor when 13 horizontal migration of push pedal, is convenient for polish to preventing 5 sides of door, two equal fixed mounting has the extension plate on curb plate 1, two equal fixed mounting has two 16 motors on the extension plate, two the output shaft of two 16 motors all with corresponding 14 fixed connection of screw rod.
For providing the support for motor three 17 to the realization is polished simultaneously to the both sides of preventing fire door 5, two the equal fixed mounting in bottom of push pedal 13 has panel 15, two one side that panel 15 is close to each other all extends to corresponding outside the slide 11, two equal fixed mounting has motor three 17 on the panel 15, uses motor three 17 as power, and its operation is more stable, and the noise is less, two equal fixed mounting has polishing piece 18 on motor three 17's the output shaft, two polishing piece 18 all with prevent that one side of fire door 5 is laminated mutually.
For the horizontal movement to slide 11 provides reliable support and space, two activity grooves have been seted up on support plate 8, two slide 11 extends to two respectively in the activity groove and with two activity groove sliding connection, two all fixed mounting has the sighting rod in the activity groove, two all the cover is equipped with the spring on the sighting rod, two the one end that the spring is close to each other all with corresponding slide 11's one side fixed connection, two the one end that the spring kept away from each other respectively with two one side inner wall fixed connection that the activity groove kept away from each other, the spring stores elasticity potential energy, when stay cord 23 is not hard up, releases elasticity potential energy and makes the direction that two slides 11 kept away from each other remove.
Thereby make the polishing piece 18 be close to or keep away from fire door 5 in order to adjust the interval between two slide 11, the top fixed mounting of support plate 8 has two risers 7, two rotate on the riser 7 and install gangbar 19, gangbar 19 provides the support for gear 21 and line roller 22 and makes it rotate thereupon, two all fixed cover is equipped with gear 21 on the gangbar 19, two gear 21 meshes mutually, two all fixed cover is equipped with line roller 22 on the gangbar 19, two line roller 22 is located corresponding riser 7 is kept away from one side of gear 21, and the rotation of line roller 22 can twine or release stay cord 23 to make the interval of two slide 11 change, two all fixed winding has stay cord 23 on the line roller 22, two the one end of stay cord 23 all with corresponding one side fixed connection of slide 11, stay cord 23 adopts flat weaving rope, the space of the wire roller 22 is saved during winding, the wire roller is not easy to fall off, a motor IV 20 is fixedly mounted on any vertical plate 7, and an output shaft of the motor IV 20 is fixedly connected with the corresponding linkage rod 19.
In order to fix the fireproof door 5 and conveniently convey the fireproof door 5 onto the bottom plate 4, a pressing plate 10 is arranged at the top of the fireproof door 5, a rectangular block is fixedly mounted on an output shaft of the air cylinder 9 and is rotatably connected with the top of the pressing plate 10, two bridging plates are fixedly mounted on two sides of each of the two side plates 1, the device is more stable due to the arrangement of the two bridging plates, feeding grooves are formed in the two bridging plates and are matched with the fireproof door 5, and one sides, close to each other, of the two bridging plates are fixedly connected with the carrier plate 8 and the support plate 2; and top plates are fixedly arranged on the tops of the two bridging plates and the two side plates 1.
The working principle of the automatic burr grinding device for processing the fireproof door provided by the utility model is as follows:
when the fireproof door is used, the fireproof door 5 is placed on the bottom plate 4, the cylinder 9 is started, the output shaft extends out to push the pressing plate 10 to be attached to the top of the fireproof door 5, the motor four 20 is started, the linkage rod 19 rotates, due to the meshing relation, the two gears 21 approach to opposite directions at the same time, the two wire rollers 22 start to wind the corresponding pull ropes 23, the two sliding plates 11 move towards the directions approaching to each other, the spring is stretched until the polishing plate 18 contacts with one side of the fireproof door 5, the motor three 17 is started, the polishing plate 18 rotates, the motor two 16 is started, the pushing plate 13 and the screw 14 are in threaded relation, under the limiting action of the limiting rod on the pushing plate 13, the pushing plate 13 can drive the polishing plate 18 to move horizontally, the two sides of the fireproof door 5 can be polished, after the two sides are polished, the motor four 20 is started, the polishing plate 18 is far away from the fireproof door 5, the motor one 6 is started to enable the rotating shaft 3 to rotate, the two sides of the fire door 5 which are not polished are rotated to the positions of the two polishing sheets 18, and the polishing work of the fire door 5 can be completed by repeating the above actions.
Compared with the prior art, the automatic burr grinding device for processing the fireproof door has the following beneficial effects:
the utility model provides an automatic edge grinding device for processing a fire door, which is characterized in that two gears 21 are arranged to rotate, so that two wire rollers 22 can be wound or released at the same time to adjust the distance between two sliding plates 11, a fire door 5 can be conveniently rotated by a rotating shaft 3 and the arrangement, so that the manual workload is reduced, a grinding piece 18 can be used for grinding the side edge of the fire door 5 back and forth by the rotation of a screw 14, the whole grinding process is simple to operate, the grinding process is high in stability, the grinding efficiency is high, and the labor force can be saved.
The second embodiment:
based on the automatic burr limit device for processing the fireproof door provided by the first embodiment of the application, the second embodiment of the application provides another automatic burr limit device for processing the fireproof door, the second embodiment is only a preferable mode of the first embodiment, and the implementation of the second embodiment does not influence the independent implementation of the first embodiment.
The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments
Referring to fig. 5, in the second embodiment of the present invention, the automatic burr grinding device for processing a fire door further includes a dust collector 24, the dust collector 24 is fixedly installed outside one side of any one of the side plates 1, the support plate 2 is provided with two through grooves 25, funnels 26 are fixedly installed in the two through grooves 25, the two funnels 26 are located below the corresponding grinding plate 18, and scraps generated during grinding are sucked into the funnels 26, and the openings of the funnels 26 are large, so that the scraps are more easily collected.
In order to enable the scraps to enter the dust collector 24 in a centralized manner so as to facilitate subsequent centralized treatment, a connecting pipe 27 is arranged below the support plate 2, the connecting pipe 27 enables the scraps in the two funnels 26 to flow into the dust collector 24 in a centralized manner, two connecting pipes are fixedly arranged at the bottoms of the funnels 26, the bottoms of the two connecting pipes are fixedly connected with the connecting pipe 27, and one end of the connecting pipe 27 extends to any one of the side plates 1 and is fixedly connected with the dust collector 24.
The vacuum cleaner 24 in the device adopts the model number SK-510.
When carrying out the work of polishing, too much piling up in the device for the sweeps that prevents to polish and produce, influence the later stage and use, during the granules such as the sweeps that produce will fall into funnel 26, start dust catcher 24 after that, stronger suction is through linking up the pipe suction connecting pipe 27 with the sweeps in funnel 26, gets into dust catcher 24 at last in, makes things convenient for later stage centralized processing.
It should be noted that the device structure and the attached drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the arrangement of the power mechanism and the control system of the device, etc. is not completely described, but the details of the power mechanism and the control system can be clearly known by those skilled in the art on the premise that those skilled in the art understand the principle of the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a prevent fire door processing with automatic dull polish limit device which characterized in that includes:
two side plates;
the support plate is fixedly arranged on one side of the two side plates close to each other;
the rotating shaft is rotatably arranged on the support plate, and the top of the rotating shaft extends to the position above the support plate;
the bottom plate is fixedly arranged at the top of the rotating shaft;
a fire door disposed on the bottom plate;
the first motor is fixedly installed at the bottom of the support plate, and an output shaft of the first motor is fixedly connected with the rotating shaft;
the support plate is fixedly arranged on one side of the two side plates close to each other, and the support plate is positioned above the support plate;
the cylinder is fixedly arranged at the bottom of the carrier plate;
the two sliding plates are arranged at the tops of the support plates in a sliding mode, the two sliding plates are located on two sides of the bottom plate, and the tops of the two sliding plates extend to the upper portion of the support plate;
the two cavities are respectively arranged on the two sliding plates and are positioned below the carrier plate.
2. The automatic edge grinding device for processing the fireproof door as claimed in claim 1, wherein two cavities are internally and rotatably provided with screw rods, two cavities are internally and fixedly provided with limiting rods, two screw rods are internally and threadedly provided with push plates, two limiting rods penetrate through the corresponding push plates and are slidably connected with the corresponding push plates, two side plates are respectively and fixedly provided with extension plates, two extension plates are respectively and fixedly provided with a second motor, and output shafts of the two second motors are respectively and fixedly connected with the corresponding screw rods.
3. The automatic edge grinding device for processing the fire door as claimed in claim 2, wherein panels are fixedly mounted at the bottoms of the two push plates, the sides, close to each other, of the two panels extend out of the corresponding sliding plates, a third motor is fixedly mounted on the two panels, grinding plates are fixedly mounted on output shafts of the third motors, and the two grinding plates are attached to one side of the fire door.
4. The automatic burr grinding device for processing the fireproof door according to claim 3, wherein two movable grooves are formed in the carrier plate, the two sliding plates respectively extend into the two movable grooves and are slidably connected with the two movable grooves, a marker post is fixedly mounted in each of the two movable grooves, a spring is sleeved on each of the two marker posts, one end of each of the two springs, which is close to each other, is fixedly connected with one side of the corresponding sliding plate, and one end of each of the two springs, which is far from each other, is fixedly connected with one inner wall of each of the two movable grooves, which is far from each other.
5. The automatic burr grinding device for processing the fireproof door as claimed in claim 4, wherein two vertical plates are fixedly mounted at the top of the carrier plate, two vertical plates are rotatably mounted with linkage rods, two linkage rods are fixedly sleeved with gears, two gears are meshed, two linkage rods are fixedly sleeved with wire rollers, two wire rollers are located at one side of the corresponding vertical plate away from the gears, two pull ropes are fixedly wound on the wire rollers, one ends of the two pull ropes are fixedly connected with one side of the corresponding sliding plate, any one of the vertical plates is fixedly mounted with a fourth motor, and an output shaft of the fourth motor is fixedly connected with the corresponding linkage rods.
6. The automatic burr grinding device for processing the fireproof door according to claim 5, wherein a pressing plate is arranged at the top of the fireproof door, a rectangular block is fixedly installed on an output shaft of the air cylinder and is rotatably connected with the top of the pressing plate, two side plates are fixedly installed on two sides of each of the two side plates, feeding grooves are formed in the two bridging plates and are matched with the fireproof door, and one sides, close to each other, of the two bridging plates are fixedly connected with the support plate and the support plate; and top plates are fixedly arranged on the tops of the two bridging plates and the two side plates.
7. The automatic edge grinding device for processing the fire door as claimed in claim 6, wherein a dust collector is fixedly mounted on one side of any one of the side plates, two through grooves are formed in the support plate, a funnel is fixedly mounted in each through groove, and each funnel is located below the corresponding grinding plate.
8. The automatic edge grinding device for processing the fire door as claimed in claim 7, wherein a connecting pipe is arranged below the support plate, the bottoms of the two funnels are fixedly provided with connecting pipes, the bottoms of the two connecting pipes are fixedly connected with the connecting pipe, and one end of the connecting pipe extends out of any one side plate and is fixedly connected with the dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122447462.6U CN216731006U (en) | 2021-10-12 | 2021-10-12 | Prevent fire door processing with automatic dull polish limit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122447462.6U CN216731006U (en) | 2021-10-12 | 2021-10-12 | Prevent fire door processing with automatic dull polish limit device |
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| Publication Number | Publication Date |
|---|---|
| CN216731006U true CN216731006U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122447462.6U Active CN216731006U (en) | 2021-10-12 | 2021-10-12 | Prevent fire door processing with automatic dull polish limit device |
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| Country | Link |
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| CN (1) | CN216731006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115179152A (en) * | 2022-09-09 | 2022-10-14 | 南京诺咔迅信息技术有限公司 | Burr grinding device is used in ammeter case production |
-
2021
- 2021-10-12 CN CN202122447462.6U patent/CN216731006U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115179152A (en) * | 2022-09-09 | 2022-10-14 | 南京诺咔迅信息技术有限公司 | Burr grinding device is used in ammeter case production |
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Address after: No. 381, Gangtong North 4th Road, north area of modern industrial port, Chengdu, Sichuan 610000 Patentee after: Chengdu Portyite Smart Home Co.,Ltd. Country or region after: China Address before: No. 381, Gangtong North 4th Road, north area of modern industrial port, Chengdu, Sichuan 610000 Patentee before: Chengdu Panpan Xinfeng Technology Co.,Ltd. Country or region before: China |