CN108556229B - Workpiece edge removing processing device - Google Patents
Workpiece edge removing processing device Download PDFInfo
- Publication number
- CN108556229B CN108556229B CN201810350453.5A CN201810350453A CN108556229B CN 108556229 B CN108556229 B CN 108556229B CN 201810350453 A CN201810350453 A CN 201810350453A CN 108556229 B CN108556229 B CN 108556229B
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- China
- Prior art keywords
- rotating shaft
- sliding plate
- barrel
- cleaning barrel
- workpiece
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000004140 cleaning Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000007790 scraping Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of workpiece processing equipment, in particular to a workpiece edge removing processing device which comprises a cleaning barrel and a filtering barrel, wherein a first rotating shaft is arranged in the cleaning barrel, the bottom end of the first rotating shaft penetrates through the bottom of the cleaning barrel, the bottom end of the first rotating shaft is in power connection with a motor, the motor is used for driving the first rotating shaft to periodically rotate forwards and backwards, threads are arranged on the first rotating shaft, and a scraping mechanism, an elastic water bag and a transmission mechanism are sequentially arranged on the part, located in the cleaning barrel, of the first rotating shaft from top to bottom; the filter barrel is arranged on one side of the cleaning barrel; strike off the mechanism and include the sliding plate, be equipped with vertical scraper blade on the sliding plate, the sliding plate lateral wall is equipped with the arch, washs the bucket lateral wall and is equipped with the spout with protruding vertical direction that matches, sliding plate and first pivot threaded connection, and the sliding plate can slide from top to bottom along the spout when first pivot rotates. The workpiece edge removing processing device provided by the invention can be used for cleaning a non-metal rotary workpiece, removing burrs and improving the production efficiency.
Description
Technical Field
The invention relates to the technical field of workpiece processing equipment, in particular to a workpiece edge removing processing device.
Background
In the production and manufacturing process, some non-metal rotary workpieces often need to be processed, such as rubber pads, rubber rings, plastic particles, rubber particles and the like, after the rubber parts and the plastic parts are formed, some burrs or burrs are often formed on the edges of the rubber parts and the plastic parts, and some high-end products have higher requirements on the surface smoothness of the workpieces, so that the rubber parts or the plastic parts need to be trimmed, and meanwhile, in the transmission process on a production line, the workpieces are easily stained with dust and sundries and need to be cleaned.
In the conventional process, the edge removing and cleaning of the workpiece are two working procedures, which undoubtedly increases the production flow and reduces the production efficiency; on the other hand, the deckle edges or burrs of the existing rubber part or plastic part are separated manually, so that time and labor are wasted, impurities tightly adhered to the surface of the rubber part are not easy to remove completely, and even the condition that the surface of the workpiece is scratched by workers or is damaged secondarily due to improper use of tools can occur.
Disclosure of Invention
The invention aims to provide a workpiece edge removing processing device which can be used for cleaning a non-metal rotary workpiece, removing burrs and improving the production efficiency.
In order to solve the technical problem, the patent provides the following technical scheme:
the workpiece edge removing processing device comprises a cleaning barrel and a filtering barrel, wherein a first rotating shaft is arranged in the cleaning barrel, the bottom end of the first rotating shaft penetrates through the bottom of the cleaning barrel, the bottom end of the first rotating shaft is in power connection with a motor, the motor is used for driving the first rotating shaft to periodically rotate forwards and backwards, threads are arranged on the first rotating shaft, and a scraping mechanism, an elastic water bag and a transmission mechanism are sequentially arranged on the part, located in the cleaning barrel, of the first rotating shaft from top to bottom;
the filter barrel is arranged on one side of the cleaning barrel, and a filter screen is arranged in the filter barrel;
the scraping mechanism comprises a sliding plate, a vertical scraping plate is arranged on the sliding plate, a bulge is arranged on the side wall of the sliding plate, a sliding groove in the vertical direction matched with the bulge is arranged on the side wall of the cleaning barrel, the sliding plate is in threaded connection with the first rotating shaft, and the sliding plate can slide up and down along the sliding groove when the first rotating shaft rotates;
the top of the elastic water bag is fixedly connected with the sliding plate, the bottom of the elastic water bag is fixedly connected with the cleaning barrel, the elastic water bag is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are respectively provided with a one-way valve, the water inlet of the water inlet pipe is arranged at the bottom of the filtering barrel, the water outlet pipe is communicated with a guide pipe, the guide pipe is provided with a spray head, and the spray head is arranged at the top of the side wall of the cleaning barrel;
the transmission mechanism comprises a first gear, a second gear and a second rotating shaft, the first gear is fixedly connected with the first rotating shaft, the second gear is fixedly connected with the second rotating shaft, the second gear is meshed with the first gear, the top end of the second rotating shaft penetrates through the sliding plate, and the top end of the second rotating shaft is provided with a fixing mechanism which is used for fixing a workpiece to be processed;
the side wall of the cleaning barrel is provided with a drain outlet which is communicated with the filtering barrel and the cleaning barrel, and the position of the drain outlet is higher than that of the fixing mechanism.
The working principle of the technical scheme of the invention is as follows: the motor drives the first rotating shaft to rotate positively, the sliding plate slides downwards under the action of the first rotating shaft, the sliding plate is contacted with a workpiece to be processed in the downward movement process, meanwhile, the first rotating shaft drives the second rotating shaft to rotate through the transmission mechanism, the second rotating shaft drives the workpiece to be processed to rotate, further, burrs on the workpiece are scraped by the sliding plate, meanwhile, the elastic water bag is extruded by the sliding plate, water in the elastic water bag passes through the water outlet pipe and the guide pipe and is finally sprayed out of the spray head, the sprayed water can clean the workpiece, meanwhile, the scraped burrs are washed off, the sliding plate slides downwards at a larger distance, more and more water is arranged above the sliding plate, and the scraped burrs float on the water surface due to lighter weight;
when the sliding plate reaches the lowest position, the motor drives the first rotating shaft to rotate reversely, the sliding plate slides upwards, the scraper can clean the workpiece to be processed again, the rotating direction of the workpiece is opposite to that of the first rotating shaft when the workpiece rotates forwards, so that the cleaning direction of the workpiece by the scraper is opposite to the original direction, and the cleaning effect can be improved; along with the rising of the sliding plate, the water on the sliding plate can carry floating rough edges to be discharged into the filter barrel from the sewage outlet, and a filter screen in the filter barrel can filter the rough edges and other impurities, so that the filtered water flows into the bottom of the filter barrel; in the process of sliding the sliding plate upwards, the elastic water bag is gradually stretched and recovered, and the elastic water bag absorbs water in the bottom of the filtering barrel through the water suction pipe for next use.
Compared with the prior art, in the technical scheme, the workpiece is driven to rotate and the scraper is driven to lift through the positive and negative rotation of the motor, so that the function of automatically scraping burrs or burrs of the workpiece is realized; the functions of cleaning, collecting and discharging scraped burrs and impurities by spraying water to the workpiece are realized through the elastic water bag, the spray head and the filter barrel, multiple times of cyclic utilization of water is realized, and the production efficiency is improved.
Further, a rubber layer is arranged between the sliding plate and the side wall of the cleaning barrel.
The sealing performance between the sliding plate and the washing barrel is enhanced, and water is prevented from flowing down between the sliding plate and the side wall of the washing barrel when the sliding plate is lifted.
Further, the shower nozzle is along wasing bucket lateral wall circumference evenly distributed.
The spraying is more uniform, and the workpiece can be washed from various angles.
Further, the fixing mechanism comprises a base and clamping jaws, and springs used for stretching the clamping jaws are arranged between the clamping jaws.
The workpiece to be machined can be quickly fixed or taken down through the spring and the clamping jaws.
Furthermore, a scraper is arranged on the scraper and is obliquely arranged.
If the vertical setting of scraper, then the scraper can only carry out unedged clearance through the rotation of work piece, and the scraper can only be the displacement of horizontal direction for the work piece, strikes off the effect not good, can reciprocate the in-process with the scraper slope setting at the scraper blade, carries out the operation of striking off of upper and lower direction to the work piece surface, is favorable to scraping deckle edge and burr cleaner.
Further, the inclination direction of the scraper at the upper half part of the scraper is opposite to that of the scraper at the lower half part of the scraper. Is beneficial to improving the scraping effect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an apparatus for trimming a workpiece according to the present invention;
FIG. 2 is a schematic structural diagram of a scraper of an embodiment of the workpiece edge-removing processing device of the invention.
Detailed Description
The following is further detailed by way of specific embodiments:
description of reference numerals: the cleaning device comprises a cleaning barrel 1, a filter barrel 2, a filter screen 3, a water inlet pipe 4, a motor 5, a driving wheel 6, a first rotating shaft 7, a spray head 8, a sewage outlet 9, a water outlet pipe 10, a workpiece 11, a clamping jaw 12, a rubber pad 13, an elastic water bag 14, a scraper 15, a sliding plate 16, a first gear 17, a second gear 18, a second rotating shaft 19 and a scraper 20.
As shown in fig. 1, the workpiece edge removing processing device of this embodiment includes a cleaning barrel 1 and a filtering barrel 2, a first rotating shaft 7 is disposed in the cleaning barrel 1, a through hole is formed in the center of the bottom of the cleaning barrel 1, the bottom end of the first rotating shaft 7 extends out of the bottom of the cleaning barrel 1 through the through hole, in order to fix the first rotating shaft 7 and enable the first rotating shaft 7 to rotate more smoothly, a bearing is sleeved on the bottom end of the first rotating shaft 7, a driving wheel 6 is fixed on the bottom end of the first rotating shaft 7, a motor 5 is disposed at the bottom of the cleaning barrel 1, a gear meshed with the driving wheel 6 is fixedly welded on an output shaft of the motor 5, the motor 5 is controlled by a power supply circuit, and can perform periodic forward and reverse rotation, and a circuit or method for controlling the forward and reverse rotation. The first rotating shaft 7 is provided with threads, and the part of the first rotating shaft 7 positioned in the cleaning barrel 1 is sequentially provided with a scraping mechanism, an elastic water bag 14 and a transmission mechanism from top to bottom; the filtering barrel 2 is arranged on one side of the cleaning barrel 1, and the middle part of the filtering barrel 2 is provided with a filter screen 3.
The scraping mechanism comprises a sliding plate 16, wherein vertical scrapers 15 are fixedly mounted on the sliding plate 16 through bolts, as shown in fig. 2, a plurality of scrapers 20 are uniformly arranged on each scraper 15, each scraper 20 is obliquely arranged, and the inclination direction of the upper half part scraper 20 of each scraper 15 is opposite to that of the lower half part scraper 20 of each scraper 15. In the embodiment, 6 scraping plates 15 are arranged, and the scraping plates 15 are uniformly arranged along the circumferential direction of the sliding plate 16; the side wall of the sliding plate 16 is provided with a bulge, the side wall of the cleaning barrel 1 is provided with a sliding groove in the vertical direction matched with the bulge, the sliding plate 16 is in threaded connection with the first rotating shaft 7, and the sliding plate 16 can slide up and down along the sliding groove when the first rotating shaft 7 rotates.
The transmission mechanism comprises a first gear 17, a second gear 18 and a second rotating shaft 19, the first gear 17 is fixedly connected with the first rotating shaft 7, the second gear 18 is fixedly connected with the second rotating shaft 19 through a bolt, the second gear 18 is meshed with the first gear 17, a through hole for the second rotating shaft 7 to pass through is arranged on the sliding plate 16, the top end of the second rotating shaft 7 passes through the sliding plate 16 through the through hole, a fixing mechanism is arranged at the top end of the second rotating shaft 19, the fixing mechanism is used for fixing the workpiece 11 to be processed, in the embodiment, the number of the second rotating shaft 19, the number of the second gear 18 and the number of the fixing mechanisms are 4, each fixing mechanism comprises a base and two claws 12, the claws 12 are connected with the base in a sliding manner, the claws 12 are arranged on the left and the right, the two claws 12 can slide relatively, springs for expanding the claws 12 are arranged between the claws 12, the workpiece 11 can be sleeved outside the jaws 12, and the jaws 12 support and fix the workpiece 11 through springs.
Be equipped with the drain 9 that communicates filter vat 2 and washing bucket 1 on the washing bucket 1 lateral wall, the position of drain 9 is higher than fixed establishment's position.
The embodiment works as follows: motor 5 drives first pivot 7 forward rotation, sliding plate 16 slides down under first pivot 7 effect, sliding plate 16 moves the in-process downwards, scraper blade 15 with treat the processing work piece 11 contact, first pivot 7 drives second pivot 19 through drive mechanism and rotates simultaneously, second pivot 19 drives and treats the processing work piece 11 and rotate, and then scraper blade 15 strikes off the deckle edge on the work piece 11, and simultaneously, elasticity water pocket 14 is extruded by sliding plate 16, water in the elasticity water pocket 14 passes through outlet pipe 10 and pipe, finally spout from shower nozzle 8, spun water can wash work piece 11, the deckle edge that will scrape down simultaneously washes down, the distance along with sliding plate 16 gliding is bigger and bigger, the water above sliding plate 16 is more and more, because weight is lighter by the deckle edge of scraping down, float on the surface of water.
When the sliding plate 16 reaches the lowest position, the motor 5 drives the first rotating shaft 7 to rotate reversely, the sliding plate 16 slides on the sliding plate, the scraper 15 can clean the workpiece 11 to be processed again, at the moment, the rotating direction of the workpiece 11 is opposite to that of the first rotating shaft 7 when rotating forwards, so that the cleaning direction of the scraper 15 on the workpiece 11 is also opposite to the original direction, and the cleaning effect can be improved; along with the rising of the sliding plate 16, the water on the sliding plate 16 can be discharged into the filter barrel 2 from the sewage outlet 9 together with floating rough edges, the filter screen 3 in the filter barrel 2 can filter the rough edges and other impurities, and the filtered water flows into the bottom of the filter barrel 2; during the sliding of the sliding plate 16, the elastic water bag 14 is gradually stretched and restored, and the elastic water bag 14 sucks the water in the bottom of the filter vat 2 through the suction pipe for the next use.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The workpiece edge removing processing device is characterized in that: the cleaning device comprises a cleaning barrel and a filtering barrel, wherein a first rotating shaft is arranged in the cleaning barrel, the bottom end of the first rotating shaft penetrates through the bottom of the cleaning barrel, the bottom end of the first rotating shaft is in power connection with a motor, the motor is used for driving the first rotating shaft to periodically rotate forwards and backwards, threads are arranged on the first rotating shaft, and a scraping mechanism, an elastic water bag and a transmission mechanism are sequentially arranged on the part, located in the cleaning barrel, of the first rotating shaft from top to bottom;
the filter barrel is arranged on one side of the cleaning barrel, and a filter screen is arranged in the filter barrel;
the scraping mechanism comprises a sliding plate, a vertical scraping plate is arranged on the sliding plate, a bulge is arranged on the side wall of the sliding plate, a sliding groove in sliding connection with the bulge is arranged on the side wall of the cleaning barrel, the sliding plate is in threaded connection with the first rotating shaft, and the sliding plate can slide up and down along the sliding groove when the first rotating shaft rotates;
the top of the elastic water bag is fixedly connected with the sliding plate, the bottom of the elastic water bag is fixedly connected with the cleaning barrel, the elastic water bag is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are respectively provided with a one-way valve, the water inlet of the water inlet pipe is arranged at the bottom of the filtering barrel, the water outlet pipe is communicated with a guide pipe, the guide pipe is provided with a spray head, and the spray head is arranged at the top of the side wall of the cleaning barrel;
the transmission mechanism comprises a first gear, a second gear and a second rotating shaft, the first gear is fixedly connected with the first rotating shaft, the second gear is fixedly connected with the second rotating shaft, the second gear is meshed with the first gear, the top end of the second rotating shaft penetrates through the sliding plate, and the top end of the second rotating shaft is provided with a fixing mechanism which is used for fixing a workpiece to be processed;
the side wall of the cleaning barrel is provided with a drain outlet which is communicated with the filtering barrel and the cleaning barrel, and the position of the drain outlet is higher than that of the fixing mechanism.
2. The apparatus for removing edges of a workpiece according to claim 1, wherein: and a rubber layer is arranged between the sliding plate and the side wall of the cleaning barrel.
3. The apparatus for removing edges of a workpiece according to claim 1, wherein: the shower nozzle is along wasing bucket lateral wall circumference evenly distributed.
4. The apparatus for removing edges of a workpiece according to claim 1, wherein: the fixing mechanism comprises a base and clamping jaws, the clamping jaws are connected with the base in a sliding mode, and springs used for stretching the clamping jaws are arranged between the clamping jaws.
5. The apparatus for removing edges of a workpiece according to claim 1, wherein: the scraper is arranged on the scraper and is obliquely arranged.
6. The apparatus for removing edges of a workpiece as set forth in claim 5, wherein: the inclined direction of the scraper at the upper half part of the scraper is opposite to that of the scraper at the lower half part of the scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350453.5A CN108556229B (en) | 2018-04-18 | 2018-04-18 | Workpiece edge removing processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350453.5A CN108556229B (en) | 2018-04-18 | 2018-04-18 | Workpiece edge removing processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108556229A CN108556229A (en) | 2018-09-21 |
| CN108556229B true CN108556229B (en) | 2020-03-17 |
Family
ID=63535676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810350453.5A Active CN108556229B (en) | 2018-04-18 | 2018-04-18 | Workpiece edge removing processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108556229B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842836B (en) * | 2020-07-24 | 2021-11-23 | 东莞市友美科技有限公司 | Die-casting die and die-casting forming method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202271473U (en) * | 2011-09-09 | 2012-06-13 | 汉升密封科技（上海）有限公司 | Rubber burr rapid water rinsing separator |
| CN105599222A (en) * | 2015-12-31 | 2016-05-25 | 苏州逸美德自动化科技有限公司 | Deburring and cleaning device |
| CN107379319A (en) * | 2017-08-14 | 2017-11-24 | 贵州亿博科技有限公司 | Knot screen for heat shrink films production |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06151484A (en) * | 1992-10-02 | 1994-05-31 | Eikichi Yamaharu | Deburring apparatus of resin-molded part formed on lead frame |
| JPH08174500A (en) * | 1994-12-27 | 1996-07-09 | Shin Etsu Polymer Co Ltd | Manufacture of rubber roll by extra high-pressure water |
-
2018
- 2018-04-18 CN CN201810350453.5A patent/CN108556229B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202271473U (en) * | 2011-09-09 | 2012-06-13 | 汉升密封科技（上海）有限公司 | Rubber burr rapid water rinsing separator |
| CN105599222A (en) * | 2015-12-31 | 2016-05-25 | 苏州逸美德自动化科技有限公司 | Deburring and cleaning device |
| CN107379319A (en) * | 2017-08-14 | 2017-11-24 | 贵州亿博科技有限公司 | Knot screen for heat shrink films production |
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| Publication number | Publication date |
|---|---|
| CN108556229A (en) | 2018-09-21 |
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| 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 | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180921 Assignee: Chongqing roller machinery parts factory Assignor: CHONGQING INDUSTRY POLYTECHNIC College Contract record no.: X2020990000640 Denomination of invention: Workpiece edge removal device Granted publication date: 20200317 License type: Common License Record date: 20201201 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231225 Address after: 401451 Huangsha Village, Yongcheng Town, Qijiang District, Chongqing City Patentee after: CHONGQING MENGCHI MACHINERY MANUFACTURING CO.,LTD. Address before: No. 1000 Taoyuan Avenue, Yubei District, Chongqing Patentee before: CHONGQING INDUSTRY POLYTECHNIC College |