CN208196475U - A kind of high-efficient rust-removing device for seamless steel pipe - Google Patents
A kind of high-efficient rust-removing device for seamless steel pipe Download PDFInfo
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- CN208196475U CN208196475U CN201820604970.6U CN201820604970U CN208196475U CN 208196475 U CN208196475 U CN 208196475U CN 201820604970 U CN201820604970 U CN 201820604970U CN 208196475 U CN208196475 U CN 208196475U
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- steel pipe
- seamless steel
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Abstract
The utility model discloses a kind of high-efficient rust-removing devices for seamless steel pipe, it is related to steel pipe processing technique field, the utility model includes rack, processing storehouse is provided in rack, processing orlop portion is provided with the clamping mechanism for fixing seamless steel pipe, storehouse is side walls hinged a fan chamber door for processing, processing the top of the warehouse setting, there are two cylinders, the piston rod of two cylinders protrudes into processing storehouse and is connected with hollow driving platform, it is provided with below driving platform and the outer wall derusting cylinder of seamless steel pipe cooperation and inner wall derusting roller, driving platform, which is internally provided with, drives outer wall derusting cylinder and inner wall derusting roller while the gear driven mechanism of rotation, outer wall derusts cylinder internal diameter greater than seamless steel pipe outer diameter, outer wall derusting tube inner surface is provided with the wire brush A contacted with seamless steel pipe outer wall, inner wall derusts roller outer diameter less than seamless steel pipe internal diameter, inner wall derusting roller outer surface is provided with The wire brush B contacted with seamless steel pipe internal wall, the utility model have the advantages that structure be simple and convenient to operate, rust cleaning efficiency it is high.
Description
Technical field
The utility model relates to steel pipe processing technique fields, more particularly to a kind of efficiently removing for seamless steel pipe
Become rusty device.
Background technique
Made of block of metal, non-jointed steel pipe, referred to as seamless steel pipe on surface.It is seamless according to production method
Pipe divides hot-rolled pipe, cold rolled tube, drawn tube, extruded tube, push pipe etc., different depending on the application, there is thick-walled pipe and thin-wall tube.Seamless steel pipe
Mainly it is used as petroleum geology drill pipe, the cracking tube of petrochemical industry, boiler tube, bushed bearing and automobile, tractor, aviation use
High-precision configuration steel pipe.Seamless steel pipe has many uses general, and general purpose seamless steel pipe is by common structural carbon steel, low-alloy
Structural steel or alloy structure steel rolling, yield is most, is mainly used as the pipeline or constitutional detail of trandfer fluid, different depending on the application
The supply of point three classes: it a, according to chemical composition supplies with mechanical performance；B, it is supplied by mechanical performance；C, it is supplied by the water pressure test, by a, b
The steel pipe of class supply will also carry out the water pressure test such as bearing fluid pressure, and the seamless pipe of special purpose has boiler with seamless
Pipe, chemical industry electric power are used, and geology seamless steel pipe and petroleum seamless pipe etc. are a variety of.Seamless steel pipe has hollow section, great Liang Yong
Make the pipeline of trandfer fluid, such as transfer oil, natural gas, coal gas and water and certain solid materials pipeline.Steel pipe and round steel etc.
Solid steel are compared, and when bending resistance torsional strength is identical, lighter in weight is a kind of economic section steel products, are widely used in manufacture knot
Steel feet hand cradle steel in component and machine components, such as oil drill rocker, truck drive shaft, bicycle rack and construction
Pipe manufactures ring-shaped work pieces, and stock utilization can be improved, and simplifies manufacturing process, saves material and machining period, uses steel pipe extensively
To manufacture.
Seamless steel pipe has one of derusting process in process, since seamless steel pipe internal wall and outer wall are required to be removed
Rust processing, existing is first to carry out inner wall derusting by derusting device to by seamless steel pipe to seamless steel pipe derusting process, then
It reusing another derusting device and outer wall derusting is carried out to seamless steel pipe, process is more many and diverse, and it is troublesome in poeration, it lavishes labor on,
Processing efficiency is low, while equipment use cost is also relatively high.
Therefore above-mentioned technical problem how is solved, there is very much realistic meaning to those skilled in the art.
Utility model content
The purpose of this utility model is that: it is to separate progress to solve existing seamless steel pipe in inside and outside wall processing of rust removing
, the technical issues of process is many and diverse, processing efficiency is low is caused, the utility model provides a kind of high-efficient rust-removing for seamless steel pipe
Device.
The utility model specifically uses following technical scheme to achieve the goals above:
A kind of high-efficient rust-removing device for seamless steel pipe, including rack are provided with processing storehouse in rack, process orlop portion
It is provided with the clamping mechanism for fixing seamless steel pipe, processing storehouse is side walls hinged to have a fan to be used for the chamber door that seamless steel pipe passes in and out,
The top of the warehouse setting is processed there are two cylinder, the piston rod of two cylinders protrudes into processing storehouse and is connected with hollow driving platform, drives platform
Lower section, which is provided with, is internally provided with drive outer wall derusting with the outer wall derusting cylinder of seamless steel pipe cooperation and inner wall derusting roller, driving platform
The gear driven mechanism that cylinder rotates simultaneously with inner wall derusting roller, outer wall derust cylinder internal diameter greater than seamless steel pipe outer diameter, outer wall derusting
Tube inner surface is provided with the wire brush A contacted with seamless steel pipe outer wall, and inner wall derusts roller outer diameter less than seamless steel pipe internal diameter, inner wall
Derusting roller outer surface is provided with the wire brush B contacted with seamless steel pipe internal wall.
Further, the gear driven mechanism includes centre wheel, and centre wheel, which is connected with, is fixed on the outer top of driving platform
Driving motor, there are two uniformly distributed planetary gear, two planetary gears engagements are connected with and are fixed on driving platform for centre wheel engagement connection
Internal internal tooth cylinder, two planetary gears are respectively positioned in the gear ring of internal tooth cylinder, and centre wheel bottom is connected with the shaft for stretching out driving platform
A, shaft A are connect with inner wall derusting roller, and two planetary gear bottoms are respectively connected with the shaft B for stretching out driving platform, and shaft B is both connected to
Outer wall derusts at the top of cylinder.
Further, the driving platform bottom is provided with the rotating circular disc with shaft A and shaft B cooperation, rotating circular disc
Inside is respectively arranged with the bearing B with the bearing A of shaft A cooperation and with shaft B cooperation.
Further, the clamping mechanism includes clamping cylinder, and clamping cylinder internal diameter is greater than seamless steel pipe outer diameter, clamping cylinder side
Wall is provided at least three circumferentially uniformly distributed fastening screws.
Further, chamber door is provided with sliding stand in the rack, is offered in rack and sliding stand cooperation
Guide runner, one end of sliding stand are located at below processing storehouse, and clamping cylinder is fixed on sliding stand, far from the setting of processing storehouse on sliding stand
There is push and pull bar.
Further, dust suction pump is provided in the rack, dust suction pump is connected with the sweep-up pipe protruded into processing storehouse, inhales
Dirt pump is connected with conduit, and conduit is connected with multilevel cyclone dust collection mechanism, and multilevel cyclone dust collection mechanism includes disposal box, cyclone dust removal
Device, guide duct and air-exhausting duct, disposal box setting are provided with several at the top of cradle top, disposal box and are connected on by guide duct
Cyclone dust collectors together are provided at the top of the last one cyclone dust collectors wherein first cyclone dust collectors is connect with conduit
Air-exhausting duct.
Seamless steel pipe to be processed: being first fixed on sliding stand by working principle by clamping mechanism, opens chamber door, is pushed and is slided
Seamless steel pipe is pushed into processing storehouse by dynamic platform, closes chamber door, starting cylinder drives driving platform to move down, while driving the driving on platform
Motor drives centre wheel rotation, and centre wheel drives two planetary gears to revolve under the effect of internal tooth cylinder around centre wheel, while two
For a planetary gear also in rotation, centre wheel drives inner wall derusting roller rotation, thus to seamless steel pipe internal wall progress processing of rust removing, two
The planetary gear of revolution drives outer wall derusting cylinder rotation, to carry out processing of rust removing to seamless steel pipe outer wall, while cooperating cylinder band
Dynamic inner wall derusting roller and outer wall derusting cylinder move up and down, and carry out derusting operation to seamless steel pipe repeatedly, while producing in descaling process
Raw anvil cinder and dust is adsorbed to multilevel cyclone dust collection mechanism under dust suction pumping action and is handled, and case is opened after derusting
Door pulls sliding stand that seamless steel pipe is pulled out processing storehouse, removes seamless steel pipe.
The beneficial effects of the utility model are as follows:
1, after seamless steel pipe is fixed on clamping mechanism, starting cylinder drives driving platform to move down, while driving the tooth in platform
Actuation is started to work, and drives inner wall derusting roller and outer wall derusting cylinder to rotate simultaneously, inner wall derusting roller protrudes into seamless steel pipe
In pipe, the wire brush A to be derusted on roller by inner wall carries out processing of rust removing to seamless steel pipe internal wall, and outer wall derusting cylinder is covered in seamless steel
Pipe outer ring carries out processing of rust removing to seamless steel pipe outer wall by the wire brush B that outer wall derusts on cylinder, reaches while to seamless steel pipe
Inside and outside wall carries out the effect of processing of rust removing, improves processing efficiency, simplifies operational sequence, reduces equipment use cost, together
When drive under the action of the cylinder inner wall derusting roller and outer wall derusting cylinder move up and down, repeatedly to seamless steel pipe carry out processing of rust removing,
Derusting effect is good.
2, when gear driven mechanism works, driving motor drives centre wheel rotation, and centre wheel drives including two planetary gears
The effect of tooth cylinder is lower to revolve around centre wheel, while two planetary gears are also in rotation, to make in centre wheel driven by shaft A
Wall derust roller rotation, two revolution planetary gears by shaft B drive outer wall derust cylinder rotation, the setting of rotating circular disc be in order to
Cooperate the revolution motion of shaft B, the rotation of the bearing A cooperation shaft A in rotating circular disc, bearing B cooperates the rotation of shaft B, knot
Structure is reasonable, and mechanical automation degree is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the high-efficient rust-removing device for seamless steel pipe of the utility model；
When Fig. 2 is that the sliding stand in a kind of high-efficient rust-removing device for seamless steel pipe of the utility model pulls out outside processing storehouse
Structural schematic diagram；
Fig. 3 is the structural schematic diagram of clamping mechanism；
Fig. 4 is the structural schematic diagram of gear driven mechanism；
Fig. 5 is the schematic diagram of internal structure of rotating circular disc；
Fig. 6 is the schematic perspective view of outer wall derusting cylinder.
Appended drawing reference: 1- rack, 1.1- guide runner, 2- process storehouse, 3- chamber door, 4- clamping mechanism, 4.1- clamping cylinder, 4.2-
Fastening screw, 5- seamless steel pipe, 6- cylinder, 7- drive platform, 8- outer wall derusting cylinder, 9- inner wall derusting roller, 10- wire brush A, 11-
Wire brush B, 12- gear driven mechanism, 12.1- centre wheel, 12.2- planetary gear, 12.3- internal tooth cylinder, 13- shaft A, 14- shaft
B, 15- rotating circular disc, 16- bearing A, 17- bearing B, 18- sliding stand, 19- push and pull bar, 20- dust suction pump, 21- sweep-up pipe, 22-
Conduit, 23- multilevel cyclone dust collection mechanism, 23.1- disposal box, 23.2- cyclone dust collectors, 23.3- guide duct, 23.4- air-exhausting duct.
Specific embodiment
In order to which those skilled in the art better understand the utility model, with reference to the accompanying drawing with following embodiment to this
Utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 to 6, the present embodiment provides a kind of high-efficient rust-removing device for seamless steel pipe, including rack 1, machines
Processing storehouse 2 is provided on frame 1, processing 2 bottom of storehouse is provided with the clamping mechanism 4 for fixing seamless steel pipe 5, processes 2 side wall of storehouse
A fan is hinged with for the chamber door 3 that seamless steel pipe 5 passes in and out, processing setting at the top of storehouse 2, there are two cylinder 6, the piston rods of two cylinders 6
It protrudes into processing storehouse 2 and is connected with hollow driving platform 7, drive the outer wall derusting cylinder for being provided with below platform 7 and cooperating with seamless steel pipe 5
8 and inner wall derust roller 9, driving platform 7 be internally provided with drive outer wall derusting cylinder 8 and inner wall derusting roller 9 simultaneously rotate gear drive
Motivation structure 12, outer wall derust 8 internal diameter of cylinder greater than 5 outer diameter of seamless steel pipe, and outer wall derusting 8 inner surface of cylinder is provided with and seamless steel pipe 5
The wire brush A10 of outer wall contact, inner wall derust 9 outer diameter of roller less than 5 internal diameter of seamless steel pipe, and inner wall derusting 9 outer surface of roller is provided with
The wire brush B11 contacted with 5 inner wall of seamless steel pipe.
In the present embodiment, after seamless steel pipe is fixed on clamping mechanism, starting cylinder drives driving platform to move down, and drives simultaneously
Gear driven mechanism in platform is started to work, and drives inner wall derusting roller and outer wall derusting cylinder to rotate simultaneously, inner wall derusting roller protrudes into
In seamless steel pipe pipe, the wire brush A to be derusted on roller by inner wall carries out processing of rust removing, outer wall derusting cylinder set to seamless steel pipe internal wall
In seamless steel pipe outer ring, processing of rust removing is carried out to seamless steel pipe outer wall by the wire brush B that outer wall derusts on cylinder, is reached while right
Seamless steel pipe inside and outside wall carries out the effect of processing of rust removing, improves processing efficiency, simplifies operational sequence, reduces equipment use
Cost, while inner wall derusting roller and outer wall derusting cylinder being driven to move up and down under the action of the cylinder, seamless steel pipe is removed repeatedly
Rust processing, derusting effect are good.
Embodiment 2
As shown in Fig. 1 to 6, the present embodiment is to be further optimized on the basis of embodiment 1, specifically, described
Gear driven mechanism 12 includes centre wheel 12.1, and centre wheel 12.1 is connected with the driving motor for being fixed on the outer top of driving platform 7, in
There are two uniformly distributed planetary gear 12.2, two engagements of planetary gear 12.2, which are connected with, is fixed on driving platform 7 for the engagement of heart wheel 12.1 connection
Internal internal tooth cylinder 12.3, two planetary gears 12.2 are respectively positioned in the gear ring of internal tooth cylinder 12.3, and 12.1 bottom of centre wheel is connected with
The shaft A13 of driving platform 7 is stretched out, shaft A13 is connect with inner wall derusting roller 9, and two 12.2 bottoms of planetary gear are respectively connected with stretching
Drive the shaft B14 of platform 7, shaft B14 to be both connected to outer wall derusting cylinder 8 top, driving 7 bottom of platform be provided with shaft A13 and
The rotating circular disc 15 of shaft B14 cooperation, be respectively arranged with inside rotating circular disc 15 with the bearing A16 of shaft A13 cooperation and with turn
The bearing B17 of axis B14 cooperation.
In the present embodiment, when gear driven mechanism works, driving motor drives centre wheel rotation, and centre wheel drives two rows
Star-wheel revolves under the effect of internal tooth cylinder around centre wheel, while two planetary gears turn also in rotation so that centre wheel be made to pass through
Axis A drive inner wall derusting roller rotation, two revolution planetary gears by shaft B drive outer wall derust cylinder rotation, rotating circular disc
Setting is the revolution motion in order to cooperate shaft B, and the rotation of the bearing A cooperation shaft A in rotating circular disc, bearing B cooperates shaft B
Rotation, structurally reasonable, mechanical automation degree is high.
Embodiment 3
As shown in Fig. 1 to 3, the present embodiment is to be further optimized on the basis of embodiment 1, specifically, described
Clamping mechanism 4 includes clamping cylinder 4.1, and 4.1 internal diameter of clamping cylinder is greater than 5 outer diameter of seamless steel pipe, and 4.1 side wall of clamping cylinder is provided at least
Three circumferentially uniformly distributed fastening screws 4.2.
In the present embodiment, seamless steel pipe is stood up in clamping cylinder, then tightens fastening screw and fixes seamless steel pipe, is grasped
Facilitate, suitable for the seamless steel pipe of different tube diameters, strong flexibility.
Embodiment 4
As shown in Fig. 1 to 3, the present embodiment is further optimized on the basis of embodiment 3, specifically, described
Chamber door 3 is provided with sliding stand 18 in rack 1, the guide runner 1.1 cooperated with sliding stand 18, sliding stand are offered in rack 1
18 one end is located at 2 lower section of processing storehouse, and clamping cylinder 4.1 is fixed on sliding stand 18, is provided on sliding stand 18 far from processing storehouse 2
Push and pull bar 19.
In the present embodiment, after processing of rust removing process finishing, chamber door is opened, sliding stand is pulled to draw seamless steel pipe to processing storehouse
Outside, then seamless steel pipe is removed, it is swift and convenient to operate.
Embodiment 5
As illustrated in fig. 1 and 2, the present embodiment is to be further optimized on the basis of embodiment 1, specifically, described
Dust suction pump 20 is provided in rack 1, dust suction pump 20 is connected with the sweep-up pipe 21 protruded into processing storehouse 2, and dust suction pump 20, which is connected with, leads
Pipe 22, conduit 22 are connected with multilevel cyclone dust collection mechanism 23, and multilevel cyclone dust collection mechanism 23 includes disposal box 23.1, cyclone dust removal
Device 23.2, guide duct 23.3 and air-exhausting duct 23.4, disposal box 23.1 are arranged in cradle top, if being provided at the top of disposal box 23.1
The dry cyclone dust collectors 23.2 being cascaded by guide duct 23.3, wherein first cyclone dust collectors 23.2 and conduit 22
It connects, is provided with air-exhausting duct 23.4 at the top of the last one cyclone dust collectors 23.2.
In the present embodiment, the anvil cinder and dust generated in descaling process is adsorbed to multilevel cyclone dust collection machine by dust suction pump
In structure, dust enters cyclone dust collectors with wind-force, and most of dust accretions pass through multiple cyclone dust collectors in disposal box
Multiple dust removal process, dust is substantially cleared, and last dustless wind is discharged by air-exhausting duct, avoids polluting air,
The feature of environmental protection is high.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (6)
1. a kind of high-efficient rust-removing device for seamless steel pipe, including rack (1), which is characterized in that be provided with and add in rack (1)
Work storehouse (2), processing storehouse (2) bottom are provided with the clamping mechanism (4) for fixing seamless steel pipe (5), and processing storehouse (2) is side walls hinged
There is chamber door (3) of the fan for seamless steel pipe (5) disengaging, is arranged at the top of processing storehouse (2) there are two cylinder (6), two cylinders (6)
Piston rod, which protrudes into processing storehouse (2), is connected with hollow driving platform (7), is provided with below driving platform (7) and matches with seamless steel pipe (5)
Outer wall derusting cylinder (8) of conjunction and inner wall derusting roller (9), driving platform (7), which is internally provided with, drives outer wall derusting cylinder (8) and inner wall to remove
The gear driven mechanism (12) become rusty roller (9) while rotated, outer wall derust cylinder (8) internal diameter greater than seamless steel pipe (5) outer diameter, and outer wall removes
Rust cylinder (8) inner surface is provided with the wire brush A (10) contacted with seamless steel pipe (5) outer wall, and inner wall derusts roller (9) outer diameter less than nothing
Steel pipe (5) internal diameter is stitched, inner wall derusting roller (9) outer surface is provided with the wire brush B (11) contacted with seamless steel pipe (5) inner wall.
2. the high-efficient rust-removing device according to claim 1 for seamless steel pipe, which is characterized in that the gear driving
Mechanism (12) includes centre wheel (12.1), and centre wheel (12.1) is connected with the driving motor being fixed at the top of driving platform (7) outside, in
There are two uniformly distributed planetary gear (12.2), two planetary gear (12.2) engagements to be connected with and be fixed on drive for heart wheel (12.1) engagement connection
Dynamic platform (7) internal internal tooth cylinder (12.3), two planetary gears (12.2) are respectively positioned in the gear ring of internal tooth cylinder (12.3), centre wheel
(12.1) bottom is connected with the shaft A (13) for stretching out driving platform (7), and shaft A (13) is connect with inner wall derusting roller (9), two rows
Star-wheel (12.2) bottom is respectively connected with the shaft B (14) for stretching out driving platform (7), and shaft B (14) is both connected to outer wall derusting cylinder (8)
Top.
3. the high-efficient rust-removing device according to claim 2 for seamless steel pipe, which is characterized in that the driving platform
(7) bottom is provided with the rotating circular disc (15) with shaft A (13) and shaft B (14) cooperation, sets respectively inside rotating circular disc (15)
It is equipped with the bearing B (17) with the bearing A (16) of shaft A (13) cooperation and with shaft B (14) cooperation.
4. the high-efficient rust-removing device according to claim 1 for seamless steel pipe, which is characterized in that the clamping mechanism
(4) include clamping cylinder (4.1), clamping cylinder (4.1) internal diameter is greater than seamless steel pipe (5) outer diameter, clamping cylinder (4.1) side wall be provided with to
Few three circumferentially uniformly distributed fastening screws (4.2).
5. the high-efficient rust-removing device according to claim 4 for seamless steel pipe, which is characterized in that the rack (1)
It is upper to be provided with sliding stand (18) close to chamber door (3), the guide runner (1.1) with sliding stand (18) cooperation is offered in rack (1), it is sliding
The one end of dynamic platform (18) is located at below processing storehouse (2), and clamping cylinder (4.1) is fixed on sliding stand (18), remote on sliding stand (18)
Processing storehouse (2) is provided with push and pull bar (19).
6. the high-efficient rust-removing device according to claim 4 or 5 for seamless steel pipe, which is characterized in that the rack
(1) dust suction pump (20) is provided on, dust suction pump (20) is connected with the sweep-up pipe (21) protruded into processing storehouse (2), and dust suction pumps (20)
It is connected with conduit (22), conduit (22) is connected with multilevel cyclone dust collection mechanism (23), and multilevel cyclone dust collection mechanism (23) includes collection
Dirt case (23.1), cyclone dust collectors (23.2), guide duct (23.3) and air-exhausting duct (23.4), disposal box (23.1) are arranged in bracket
Top, disposal box (23.1) top are provided with several and pass through the cyclone dust collectors that guide duct (23.3) are cascaded
(23.2), wherein first cyclone dust collectors (23.2) connect with conduit (22), at the top of the last one cyclone dust collectors (23.2)
It is provided with air-exhausting duct (23.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604970.6U CN208196475U (en) | 2018-04-26 | 2018-04-26 | A kind of high-efficient rust-removing device for seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604970.6U CN208196475U (en) | 2018-04-26 | 2018-04-26 | A kind of high-efficient rust-removing device for seamless steel pipe |
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| Publication Number | Publication Date |
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| CN208196475U true CN208196475U (en) | 2018-12-07 |
Family
ID=64522370
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| CN201820604970.6U Expired - Fee Related CN208196475U (en) | 2018-04-26 | 2018-04-26 | A kind of high-efficient rust-removing device for seamless steel pipe |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608293A (en) * | 2018-04-26 | 2018-10-02 | 河南杰川计算机科技有限公司 | A kind of high-efficient rust-removing device for seamless steel pipe |
| CN109483384A (en) * | 2018-12-27 | 2019-03-19 | 重庆亿普机电有限公司 | Tubular member process equipment |
| CN111230636A (en) * | 2020-02-14 | 2020-06-05 | 重庆工业职业技术学院 | Device for removing burrs on inner surface and outer surface of cylindrical structure and using method thereof |
| CN111958000A (en) * | 2020-06-29 | 2020-11-20 | 重庆永达精密机械有限公司 | Hollow shaft twisting deep hole device |
| CN112605781A (en) * | 2020-12-11 | 2021-04-06 | 新邵县四杰竹业发展有限公司 | Burr grinding device is used in bamboo chopsticks production |
-
2018
- 2018-04-26 CN CN201820604970.6U patent/CN208196475U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608293A (en) * | 2018-04-26 | 2018-10-02 | 河南杰川计算机科技有限公司 | A kind of high-efficient rust-removing device for seamless steel pipe |
| CN109483384A (en) * | 2018-12-27 | 2019-03-19 | 重庆亿普机电有限公司 | Tubular member process equipment |
| CN109483384B (en) * | 2018-12-27 | 2020-06-30 | 重庆亿普机电有限公司 | Tubular part machining equipment |
| CN111230636A (en) * | 2020-02-14 | 2020-06-05 | 重庆工业职业技术学院 | Device for removing burrs on inner surface and outer surface of cylindrical structure and using method thereof |
| CN111958000A (en) * | 2020-06-29 | 2020-11-20 | 重庆永达精密机械有限公司 | Hollow shaft twisting deep hole device |
| CN112605781A (en) * | 2020-12-11 | 2021-04-06 | 新邵县四杰竹业发展有限公司 | Burr grinding device is used in bamboo chopsticks production |
| CN112605781B (en) * | 2020-12-11 | 2021-12-31 | 新邵县四杰竹业发展有限公司 | Burr grinding device is used in bamboo chopsticks production |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20210426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |