CN109623519A - A kind of steel pipe manufacture processing grinding device - Google Patents
A kind of steel pipe manufacture processing grinding device Download PDFInfo
- Publication number
- CN109623519A CN109623519A CN201910067741.4A CN201910067741A CN109623519A CN 109623519 A CN109623519 A CN 109623519A CN 201910067741 A CN201910067741 A CN 201910067741A CN 109623519 A CN109623519 A CN 109623519A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- grinding device
- processing grinding
- air inlet
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
-
- 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)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A kind of steel pipe manufacture processing grinding device, including pedestal, it further include the poke rod being connect with the pushing mechanism, the polishing pad being located in the rotating bar, the support base for being located at the base upper surface, the cavity being located in the support base, the drainage mechanism being located on the support base, the dedusting mechanism for the cavity dedusting, the rotating mechanism for driving steel pipe rotary if pushing mechanism on the base.The present invention prevents dust from spreading to outside by setting drainage mechanism by the dust generated in bruting process with air flow direction cavity；By the way that dedusting mechanism is arranged, the dust in air-flow is filtered, good dedusting effect；Mechanism is supported by setting, the cooling to steel pipe is realized, prevents pipe deformation, improve grinding accuracy.
Description
Technical field
The present invention relates to technical field of industrial equipment, especially a kind of steel pipe manufactures processing grinding device.
Background technique
Steel pipe is a kind of hollow strip circular steel, is widely used mainly in petroleum, chemical industry, medical treatment, food, light industry and machine
The industrial transportation pipe lines such as tool instrument and machine structural parts etc., in addition, when bending is identical with torsional strength, lighter in weight,
So being also widely used in manufacture machine components and engineering structure, also it is commonly used for producing various conventional weapons, gun barrel and shell etc..Steel
Pipe can polish to steel pipe in production, and steel pipe can generate many dusts in polishing, need to the dust of generation into
Row cleaning, but the stainless steel tube grinding device that existing sander such as patent No. CN206855154U is announced, including rack, beat
Grinding machine structure and rotating mechanism, workpiece polishing mechanism include sanding block, and the one side that sanding block is contacted with stainless steel tube is arcwall face, sanding block
Arcwall face be equipped with whet a knife；Rotating mechanism includes turntable and motor, and turntable is rotatablely connected on the rack, the side of turntable and electricity
Belt is connected between machine, the middle part of the other side of turntable is hollow structure and is provided with screw hole, spiral shell in the radial direction in turntable
Hole is threaded with bolt, and the other side of rack is equipped with through-hole.The grinding device realizes automatic comprehensive polishing of stainless steel tube, mentions
High processing efficiency and grinding accuracy, but dust removing effects are poor.
Summary of the invention
The object of the present invention is to provide the drilling equipment punched for a steel pipe, the present invention solves existing steel pipe polishing
The poor problem of device dust removing effects.
The technical solution of the invention is as follows: a kind of steel pipe manufacture processing grinding device, including pedestal are located at the bottom
Pushing mechanism on seat further includes the poke rod connecting with the pushing mechanism, the polishing pad being located in the rotating bar, is located at
The support base of the base upper surface, the drainage mechanism being located on the support base, is used for the cavity being located in the support base
Dedusting mechanism, the rotating mechanism for driving steel pipe rotary of the cavity dedusting.
Preferably, the drainage mechanism include air inlet pipe, the guide part for being located at the air inlet pipe air inlet, be located at it is described
First connecting rod of the guide part side far from the air inlet pipe air inlet, the first rotating bar being located on the first connecting rod,
It is multiple be spaced the flabellum being located in first rotating bar, the semi-circular tube for being located at the air inlet pipe gas outlet, two pieces be located at it is described
Deflector in semi-circular tube forms airflow channel, two pieces of deflectors and described half between the semi-circular tube and the cavity
There is eccentricity H between round tube.
Preferably, the guide part includes arc panel, is located at described arc panel one end far from the air inlet pipe air inlet
Baffle, multiple fan tip lines of first rotating bar side are in same straight line and are directed toward the arc panel
The center of circle of circle where segmental arc.
Preferably, the support base is equipped with close to the baffle side supports mechanism, it is described support mechanism include circular groove,
Interval is located at the ball of the circular groove inner wall, the ventilation opening being located between the adjacent ball, and the symmetry axis of the baffle passes through
The midpoint of circular groove both ends line.
Preferably, the dedusting mechanism includes setting the second connecting rod in the cavity, being located at second connection
The second rotating bar on bar, it is multiple be spaced the incorporating section being located in second rotating bar, connection the accelerations drainage mechanism and
The linkage of second rotating bar.
Preferably, the incorporating section includes brace, the long accommodating groove being located on the brace and short accommodating groove, is located at institute
State the wave filter plate in long accommodating groove and the short accommodating groove, the inclined direction phase of the long accommodating groove and the short accommodating groove
Instead.
Preferably, the support base side is equipped with the water outlet and water inlet being connected to the cavity, the water outlet
Sealing-plug is respectively equipped with in the water inlet.
Preferably, the poke rod includes the rotation section being slidably connected with the pushing mechanism and the rotation Duan Lian
Traversing section connect, the pushing section being connect with described traversing section, the rotation section and the axial axis parallel for pushing section.
Preferably, being equipped with reset spring between the rotation section and the pedestal.
Preferably, the rotating mechanism includes rubber stopper, the shaft connecting with the rubber stopper, connect with the shaft
Motor, the rubber stopper be circular platform type.
The medicine have the advantages that
The present invention prevents dust by the dust generated in bruting process with air flow direction cavity by setting drainage mechanism
It is spread to outside；By the way that dedusting mechanism is arranged, the dust in air-flow is filtered, good dedusting effect；Mechanism is supported by setting, it is real
Show the cooling to steel pipe, prevented pipe deformation, improves grinding accuracy.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is that drainage mechanism and dedusting mechanism cooperate schematic diagram；
Fig. 3 is enlarged diagram at A；
Fig. 4 is rotating mechanism schematic diagram；
Fig. 5 is enlarged diagram at B；
In figure: 1- pedestal, 2- pushing mechanism, 3- poke rod, 3-1- rotate section, and traversing section of 3-2-, 3-3- pushes section, and 4- is beaten
Mill, 5- support base, 5-1- water outlet, 5-2- water inlet, 5-3- sealing-plug, 6- cavity, 7- drainage mechanism, 7-1- air inlet pipe,
7-2- guide part, 7-2-1- arc panel, 7-2-2- baffle, 7-3- first connecting rod, the first rotating bar of 7-4-, 7-5- flabellum, 7-
6- semi-circular tube, 7-7- deflector, 7-8- airflow channel, 8- dedusting mechanism, the second connecting rod of 8-1-, the second rotating bar of 8-2-, 8-
The incorporating section 3-, 8-3-1- brace, 8-3-2- long accommodating groove, the short accommodating groove of 8-3-3-, 8-3-4- wave filter plate, 8-4- linkage
Band, 9- support mechanism, 9-1- circular groove, 9-2- ball, 9-3- ventilation opening, 10- reset spring, 11- rotating mechanism, 11-1- rubber
Plug, 11-2- shaft, 11-3- motor.
With embodiment, the invention will be further described with reference to the accompanying drawing.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment is located at pushing away on pedestal 1 as shown in Figure 1, a kind of steel pipe manufactures processing grinding device, including pedestal 1
Motivation structure 2, pushing mechanism 2 here are implemented using cylinder, further include the poke rod 3 connecting with pushing mechanism 2, are located at rotating bar
Polishing pad 4, the support base 5 for being located at 1 upper surface of pedestal on 3, are located at drawing on support base 5 at the cavity 6 being located in support base 5
Flow mechanism 7, the dedusting mechanism 8 for 6 dedusting of cavity, the rotating mechanism 11 for driving steel pipe rotary.5 side of support base is equipped with
It is respectively equipped with sealing-plug 5-3 in the water outlet 5-1 and water inlet 5-2 being connected to cavity 6, water outlet 5-1 and water inlet 5-2, is led to
Water inlet 5-2 water filling is crossed, wave filter plate 8-3-4 can be cleaned, sewage can be discharged by water outlet 5-1.Poke rod 3 include with
Rotation section 3-1 that pushing mechanism 2 is slidably connected, traversing section of 3-2 being connect with rotation section 3-1, the pushing being connect with traversing section of 3-2
Section 3-3, rotation section 3-1 and the axial axis parallel for pushing section 3-3.It rotates and is equipped with reset spring between section 3-1 and pedestal 1
10。
As shown in Fig. 2, drainage mechanism 7 include air inlet pipe 7-1, be located at air inlet pipe 7-1 air inlet guide part 7-2, be located at
First connecting rod 7-3 of the side guide part 7-2 far from air inlet pipe 7-1 air inlet, first be located on first connecting rod 7-3 rotation
Bar 7-4, the flabellum 7-5 that multiple intervals are located on the first rotating bar 7-4, the semi-circular tube 7-6 for being located at the gas outlet air inlet pipe 7-1, two
Block is located at the deflector 7-7 in semi-circular tube 7-6, and airflow channel 7-8, two pieces of deflector 7- are formed between semi-circular tube 7-6 and cavity 6
There is eccentricity H, the high-speed flow that steel pipe generates during the grinding process guides undershoot in guide part 7-2 between 7 and semi-circular tube 7-6
Flabellum 7-5 is hit, flabellum 7-5 drives the first rotating bar 7-4 rotation, to make the second connecting rod 8-1 rotate, while flabellum 7-5 revolves
Turn air-flow can further be blowed in semi-circular tube 7-6, two pieces of deflector 7-7 by air-flow twice change side back through airflow channel
7-8 enters cavity 6, prevents dust from spreading to outside.Guide part 7-2 includes arc panel 7-2-1, is located at the one end arc panel 7-2-1
Baffle 7-2-2 far from air inlet pipe 7-1 air inlet, baffle 7-2-2 are contacted with polishing pad 4, can be formed in polishing relatively closed
Space, so that air-flow is oriented to arc panel 7-2-1, multiple flabellum 7-5 end line of the first side rotating bar 7-4 is in same
One straight line and the center of circle for being directed toward circle where the segmental arc of arc panel 7-2-1 guarantee that flabellum 7-5 quickly turns under the impact of air-flow
It is dynamic.
As shown in Figure 1, Figure 2, Figure 3 shows, dedusting mechanism 8 includes the second connecting rod 8-1 being located in cavity 6, is located at the second company
The second rotating bar 8-2 on extension bar 8-1, it is multiple be spaced the incorporating section 8-3 being located on the second rotating bar 8-2, connection accelerates drainage
The linkage 8-4 of mechanism 7 and the second rotating bar 8-2.Incorporating section 8-3 includes brace 8-3-1, the length receipts being located on brace 8-3-1
Receive slot 8-3-2 and short accommodating groove 8-3-3, the wave filter plate 8-3-4 that is located in long accommodating groove 8-3-2 and short accommodating groove 8-3-3,
Air-flow can filter most of dust into the filtering for crossing wave filter plate 8-3-4, long accommodating groove 8-3-2 and short accommodating groove 8-3-3
Inclined direction on the contrary, such setting can accelerate the rotation of the second connecting rod 8-1, improve dust removing effects.
As shown in figure 4, rotating mechanism 11 includes rubber stopper 11-1, the shaft 11-2 connecting with rubber stopper 11-1 and shaft
The motor 11-3 of 11-2 connection, rubber stopper 11-1 are circular platform type, and the smaller one end of rubber stopper 11-1 diameter is relatively large in diameter towards steel pipe
One end is connect with shaft 11-2.
As shown in Figure 1, shown in Figure 5, support base 5 is equipped with close to the side baffle 7-2-2 and supports mechanism 9, and supporting mechanism 9 includes circular groove
9-1, interval are located at ball 9-2, the ventilation opening 9-3 being located between adjacent ball 9-2 of circular groove 9-1 inner wall, pair of baffle 7-2-2
The midpoint for claiming axis to pass through the both ends circular groove 9-1 line, air-flow blow to steel after the dedusting of dedusting mechanism 8, through ventilation opening 9-3
Pipe takes away partial heat, to reduce temperature when steel pipe polishing, prevents pipe deformation, improves grinding accuracy.
Claims (10)
1. a kind of steel pipe manufacture processing grinding device, including pedestal (1), the pushing mechanism (2) being located on the pedestal (1),
It is characterized by also including the poke rods (3) connecting with the pushing mechanism (2), the polishing pad being located on the rotating bar (3)
(4), the support base (5) for being located at the pedestal (1) upper surface, is located at the branch at the cavity (6) being located in the support base (5)
Support the drainage mechanism (7) on seat (5), the dedusting mechanism (8) for the cavity (6) dedusting, the rotation for driving steel pipe rotary
Rotation mechanism (11).
2. a kind of steel pipe according to claim 1 manufactures processing grinding device, it is characterised in that: the drainage mechanism
(7) include air inlet pipe (7-1), the guide part (7-2) for being located at the air inlet pipe (7-1) air inlet, be located at the guide part (7-2)
First connecting rod (7-3) of the side far from the air inlet pipe (7-1) air inlet, be located on the first connecting rod (7-3)
One rotating bar (7-4), it is multiple be spaced be located on first rotating bar (7-4) flabellum (7-5), be located at the air inlet pipe (7-
1) semi-circular tube (7-6) of gas outlet, two pieces of deflectors (7-7) being located in the semi-circular tube (7-6), the semi-circular tube (7-6)
Airflow channel (7-8) is formed between the cavity (6), is had between two pieces of deflectors (7-7) and the semi-circular tube (7-6)
There is eccentricity H.
3. a kind of steel pipe according to claim 2 manufactures processing grinding device, it is characterised in that: the guide part (7-
2) include arc panel (7-2-1), be located at baffle of the arc panel one end (7-2-1) far from the air inlet pipe (7-1) air inlet
Multiple flabellum (7-5) end lines of (7-2-2), the first rotating bar (7-4) side are in same straight line and direction
The center of circle of circle where the segmental arc of the arc panel (7-2-1).
4. a kind of steel pipe according to claim 3 manufactures processing grinding device, it is characterised in that: the support base (5)
Close to the baffle side (7-2-2) be equipped with supports mechanism (9), it is described support mechanism (9) include circular groove (9-1), interval be located at
The ball (9-2) of circular groove (9-1) inner wall, the ventilation opening (9-3) being located between the adjacent ball (9-2), the baffle
The symmetry axis of (7-2-2) passes through the midpoint of the both ends the circular groove (9-1) line.
5. a kind of steel pipe according to claim 1 manufactures processing grinding device, it is characterised in that: the dedusting mechanism
It (8) include the second connecting rod (8-1) being located in the cavity (6), second be located on second connecting rod (8-1) rotation
Bar (8-2) multiple is spaced the incorporating section (8-3) being located on second rotating bar (8-2), the connection acceleration drainage mechanism
(7) with the linkage (8-4) of second rotating bar (8-2).
6. a kind of steel pipe according to claim 5 manufactures processing grinding device, it is characterised in that: the incorporating section (8-
3) include brace (8-3-1), the long accommodating groove (8-3-2) being located on the brace (8-3-1) and short accommodating groove (8-3-3), set
Wave filter plate (8-3-4) in the long accommodating groove (8-3-2) and the short accommodating groove (8-3-3), the long accommodating groove
The inclined direction of (8-3-2) and the short accommodating groove (8-3-3) is opposite.
7. a kind of steel pipe according to claim 1 manufactures processing grinding device, it is characterised in that: the support base (5)
Side is equipped with the water outlet (5-1) and water inlet (5-2) that are connected to the cavity (6), the water outlet (5-1) and it is described enter water
Sealing-plug (5-3) is respectively equipped in mouth (5-2).
8. a kind of steel pipe according to claim 1 manufactures processing grinding device, it is characterised in that: the poke rod (3)
Including the rotation section (3-1) being slidably connected with the pushing mechanism (2), traversing section of (3- being connect with rotation section (3-1)
2), the pushing section (3-3) being connect with traversing section (3-2), rotation section (3-1) and the axial direction for pushing section (3-3)
Axis parallel.
9. a kind of steel pipe according to claim 8 manufactures processing grinding device, it is characterised in that: the rotation section (3-
1) reset spring (10) are equipped between the pedestal (1).
10. a kind of steel pipe according to claim 1 manufactures processing grinding device, it is characterised in that: the rotating mechanism
(11) include rubber stopper (11-1), the shaft (11-2) that is connect with the rubber stopper (11-1), connect with the shaft (11-2)
Motor (11-3), the rubber stopper (11-1) be circular platform type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067741.4A CN109623519B (en) | 2019-01-24 | 2019-01-24 | Grinding device is used in steel pipe manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067741.4A CN109623519B (en) | 2019-01-24 | 2019-01-24 | Grinding device is used in steel pipe manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109623519A true CN109623519A (en) | 2019-04-16 |
| CN109623519B CN109623519B (en) | 2021-06-15 |
Family
ID=66063498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067741.4A Active CN109623519B (en) | 2019-01-24 | 2019-01-24 | Grinding device is used in steel pipe manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109623519B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220260A1 (en) * | 1992-06-23 | 1994-01-05 | Wolfgang Hoenig | Explosive dust exhauster for grinding machine - has spray nozzles with water supply in diffusor inlet region |
| US6896604B1 (en) * | 2004-04-27 | 2005-05-24 | Precision Concrete Cutting, Inc. | Handheld flush-cutting concrete saw having a dust abatement vacuum hood |
| CN204954580U (en) * | 2015-09-09 | 2016-01-13 | 嵊州市恒鑫金属制管有限公司 | High -efficient steel pipe rust cleaning polisher of portable |
| CN107627159A (en) * | 2017-09-25 | 2018-01-26 | 无锡智谷锐拓技术服务有限公司 | A kind of fast polishing sanding apparatus for machine-building |
| CN107662138A (en) * | 2017-10-30 | 2018-02-06 | 贵州润柏吉科技有限公司 | Lamp stand sanding apparatus |
| CN207757473U (en) * | 2017-12-11 | 2018-08-24 | 江西瑞鼎精密传动有限公司 | A kind of speed reducer precision component processing grinding device with dedusting function |
| CN207807449U (en) * | 2017-12-28 | 2018-09-04 | 青岛德意佳木业有限公司 | A kind of timber polishing dust removal device |
| CN108747627A (en) * | 2018-06-24 | 2018-11-06 | 蒲菊清 | A kind of tubing dust-protection type grinding device |
-
2019
- 2019-01-24 CN CN201910067741.4A patent/CN109623519B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220260A1 (en) * | 1992-06-23 | 1994-01-05 | Wolfgang Hoenig | Explosive dust exhauster for grinding machine - has spray nozzles with water supply in diffusor inlet region |
| US6896604B1 (en) * | 2004-04-27 | 2005-05-24 | Precision Concrete Cutting, Inc. | Handheld flush-cutting concrete saw having a dust abatement vacuum hood |
| CN204954580U (en) * | 2015-09-09 | 2016-01-13 | 嵊州市恒鑫金属制管有限公司 | High -efficient steel pipe rust cleaning polisher of portable |
| CN107627159A (en) * | 2017-09-25 | 2018-01-26 | 无锡智谷锐拓技术服务有限公司 | A kind of fast polishing sanding apparatus for machine-building |
| CN107662138A (en) * | 2017-10-30 | 2018-02-06 | 贵州润柏吉科技有限公司 | Lamp stand sanding apparatus |
| CN207757473U (en) * | 2017-12-11 | 2018-08-24 | 江西瑞鼎精密传动有限公司 | A kind of speed reducer precision component processing grinding device with dedusting function |
| CN207807449U (en) * | 2017-12-28 | 2018-09-04 | 青岛德意佳木业有限公司 | A kind of timber polishing dust removal device |
| CN108747627A (en) * | 2018-06-24 | 2018-11-06 | 蒲菊清 | A kind of tubing dust-protection type grinding device |
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| Publication number | Publication date |
|---|---|
| CN109623519B (en) | 2021-06-15 |
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Effective date of registration: 20210601 Address after: 325000 Ou Bei Jie Dao He Tian Cun, Yongjia County, Wenzhou City, Zhejiang Province Applicant after: CHENGBO VALVE Co.,Ltd. WENZHOU Address before: Room 10, unit 1, No. 48b, Shangshang Road, Linghai City, Jinzhou City, Liaoning Province 121200 Applicant before: Wu Yuping |
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Effective date of registration: 20230705 Address after: North Head, No. 268, Lantian Xiaodou Street, Haibin Street, Longwan District, Wenzhou City, Zhejiang Province, 325000 (self declared) Patentee after: Zhejiang Chunyu Stainless Steel Co.,Ltd. Address before: 325000 Ou Bei Jie Dao He Tian Cun, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: CHENGBO VALVE CO.,LTD. WENZHOU |