CN109465692A - A kind of grinding device for building tubular goods - Google Patents
A kind of grinding device for building tubular goods Download PDFInfo
- Publication number
- CN109465692A CN109465692A CN201811534686.7A CN201811534686A CN109465692A CN 109465692 A CN109465692 A CN 109465692A CN 201811534686 A CN201811534686 A CN 201811534686A CN 109465692 A CN109465692 A CN 109465692A
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- Prior art keywords
- ring
- polishing
- wall
- grinding device
- connecting rod
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- 238000005498 polishing Methods 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 230000007704 transition Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 52
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B24B5/36—Single-purpose machines or devices
Abstract
The present invention relates to building fields, specifically disclose a kind of grinding device for building tubular goods, including rack, the sliding block of sanding unit and fixed installation on the rack, being horizontally disposed on sliding block has mounting hole, sanding unit includes several rotatable polishing rings and several connecting tubes, one end of connecting tube and the mounting hole of sliding block rotate coaxially connection, the other end of connecting tube and the inner ring of polishing ring are fixedly and coaxially connected, the inner wall of connecting tube and the inner ring of polishing ring surround polishing hole, grinding disc, the outer wall transition fit of grinding disc and steel pipe are equipped on the inner wall in polishing hole.Grinding device in this programme can efficiently polish to the burr in steel tube surface.
Description
Technical field
The invention belongs to building fields, and in particular to a kind of grinding device for building tubular goods.
Background technique
Steel pipe has excellent mechanical performances, is widely used in building materials field.In recent years, with the development of technology with leather
Newly, people are growing the demand of steel pipe, and the requirement to its quality is also being continuously improved.After steel pipe forging molding,
The frequent burr there are many adherency on the surface of steel pipe, when several steel tube stackings together when, burr meeting on outer surface of steel tube
The surface of other steel pipe is scraped, causes the surface of steel pipe to be destroyed, is unable to satisfy the market demand.
Present burr processing mode is usually manually to be cleared up using file or friction plate the surface of steel pipe,
And then cause the process of cleaning very slow, seriously affect the efficiency of production and processing.
Summary of the invention
The invention is intended to provide a kind of grinding device that can efficiently polish the burr on outer surface of steel tube.
In order to achieve the above object, base case of the invention is as follows: a kind of grinding device for building tubular goods, including
Rack further includes the sliding block of sanding unit and fixed installation on the rack, and being horizontally disposed on sliding block has mounting hole, sanding unit packet
Several rotatable polishing rings and several connecting tubes are included, one end of connecting tube and the mounting hole of sliding block rotate coaxially connection, connection
The other end of pipe and the inner ring of polishing ring are fixedly and coaxially connected, and the inner wall of connecting tube and the inner ring of polishing ring surround polishing hole, are beaten
Grinding disc, the outer wall transition fit of grinding disc and steel pipe are equipped on the inner wall of grinding out.
The principle and its advantage of base case: when polishing the burr on outer wall of steel pipe, first rotation polishing ring, polishing
Ring is able to drive connecting tube rotation, and since the mounting hole of connecting tube and sliding block is rotatablely connected, and then sliding block can be to connecting tube and beating
The rotation of bull ring is limited, and the rotation of connecting tube and ring of polishing is allowed to keep stablizing, and can allow the position of steel pipe in bruting process
Holding is set to stablize.
The inner ring of the inner wall of connecting tube and polishing ring surrounds polishing hole, and in polishing, steel pipe passes through polishing hole, and steel pipe with
The grinding disc transition fit being laid in polishing hole, and then guarantee that steel pipe is adequately contacted with grinding disc, when polishing ring and connecting tube
When rotation, the both ends of steel pipe are first clamped, steel pipe is remain stationary relative to grinding disc, and grinding disc is to the burr on the outer wall of steel pipe
Polish, and the circumferential direction of steel pipe is comprehensively wrapped up at this time, grinding disc can the outer wall to steel pipe comprehensively polished.
It, can be along the axial movement steel pipe in polishing hole, convenient for the next section of progress to steel pipe after being polished for one section of steel pipe
Polishing, allows the polishing of steel pipe being capable of Discrete control.
In conclusion polishing ring, connecting tube and grinding disc are provided in this grinding device, after polishing ring is connect with connecting tube
The length in polishing hole is longer, and convenient for arrangement grinding disc, the positional relationship of grinding disc and outer wall of steel pipe can guarantee the outer wall of steel pipe
Piece is polished adequately to polish；Grinding disc rotates under the drive of polishing ring and connecting tube simultaneously, and grinding disc can carry out steel pipe
The efficiency of automatically polishing, polishing is fast at high speed.
It further, further include several transmission rings, the outer ring for ring of polishing is equipped with several driving cogs, and transmission ring is coaxially set in
It polishes outside ring, gap is equipped between transmission ring and polishing ring, is hinged with several hook teeth on the side of the close polishing ring of transmission ring,
The side for hooking tooth is opposite with the inner wall of transmission ring, hooks tooth and is fixedly installed with tension spring on the inner wall side of transmission ring, tension spring
The other end is fixedly connected with the inner wall of transmission ring；Tooth position is hooked between two adjacent driving cogs, and hooks tooth close to the one of tension spring
Side can offset with the side of driving cog, and hooking side of the tooth far from tension spring can be with the other side sliding contact of driving cog.
Transmission ring is able to drive polishing ring rotation, and the transmitting of torsion is realized by hooking tooth and driving cog, when hook tooth
Side when can offset with the side of driving cog, tension spring is stretched by hook tooth, and is hooked tooth and be able to drive the synchronous rotation of driving cog, into
And transmission ring drives polishing ring to rotate synchronously；When hook side of the tooth far from tension spring can be with the other side sliding contact of driving cog,
Tooth is hooked around with the rotation of the hinged place of transmission ring, the tension spring hooked between tooth and transmission ring is compressed, and makes to hook side of the tooth far from tension spring
The other side of driving cog is slipped over, convenient for rotation transmission ring again and then drives polishing ring rotation, the angle of rotation of transmission ring at this time
Degree can reduce, and reduces and also can achieve the effect for driving polishing ring rotation；Polish ring during this can intermittent rotary, can stop
When only, steel pipe is transmitted, is polished piece polishing convenient for next section of steel pipe.
It further, further include lifter plate and several transmission lists for driving transmission ring to rotate clockwise or rotate counterclockwise
Member, gear unit include slide bar, first connecting rod and second connecting rod, and lifter plate is horizontally disposed, and the upper end of slide bar pass through rack with
The lower surface of lifter plate is fixedly connected, and slide bar is connect with housing slide, and the lower end of slide bar and one end of first connecting rod are hinged, and first
The other end of connecting rod and one end of second connecting rod are hinged, and the other end of second connecting rod is fixedly connected with transmission ring.
The moving up and down of lifter plate is able to drive slide bar and moves up and down, and slide bar drives first connecting rod movement, makes first connecting rod
Second connecting rod is driven to drive the axis rotation around transmission ring, due to moving up and down for lifter plate, and then second connecting rod stretchy passes
Rotating ring carrys out back rotation, realizes the rotation of polishing ring；The rotation converted for ring of polishing will be simply moved up and down during this, it will
The process of transmission convenient for allowing polishing ring rotation by moving up and down for control lifter plate, is used by simply to complicated
It is simple and convenient, simplify the operation of worker.
Further, spring is provided between lifter plate and rack, one end of spring is fixedly connected with the lower surface of lifter plate,
The other end of spring is fixedly connected with rack.
When lifter plate pushes, spring is under pressure contraction；When need lifter plate move up recovery to it is in situ when, loosen lifting
Lifter plate rapidly can be pushed back to reset condition by plate, the elastic force of release spring, spring, and the rebound of lifter plate is allowed to operate
It is simpler.
Further, spring is pressure spring, and pressure spring and slide bar are coaxially disposed.
Pressure spring is able to bear axial compressive force, under the pressure of lifter plate repeatedly, compared to general spring, the setting of pressure spring
It is more durable；Since pressure spring and slide bar are coaxially disposed, when pressure spring extends or shrinks, it is able to drive synchronous upper of slide bar
Lower sliding, the synchronism for making slide bar mobile is more preferable, improves the mobile stability of slide bar.
Further, have between two neighboring driving cog and only one hooks tooth.
The setting of the setting and driving cog that hook tooth is adapted, and is interacted between tooth and single driving cog convenient for individually hooking,
Avoid mutual interference；And when the hook tooth damage between two neighboring driving cog, only one, which hooks tooth, to fail, and will not influence
Others hook the interaction between tooth and driving cog.
Further, grinding disc is removably mounted on the inner wall in polishing hole.
It is replaced convenient for the grinding disc in air exercise grinding out, the grinding effect for allowing grinding device to have kept.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the grinding device main view direction for building tubular goods of the present invention；
Fig. 2 is the cross-sectional view of the structures right view direction such as sanding unit, transmission ring, sliding block in Fig. 1；
Fig. 3 is the cross-sectional view in Fig. 1 at A.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: rack 10, lifter plate 20, cam 30, transmission ring 40, hooks tooth 401, draws
Spring 402, sliding block 50, connecting tube 60, polishing ring 70, driving cog 701, grinding disc 702, slide bar 801, first connecting rod 802, second connect
Bar 803, pressure spring 804, steel pipe 90.
Embodiment is basic as shown in attached drawing 1, attached drawing 2 and attached drawing 3: a kind of grinding device for building tubular goods, including machine
Frame 10, lifter plate 20, the cam 30 of rotation, sanding unit, two gear units, two transmission rings 40 and two are welded on rack
Sliding block 50 on 10, being horizontally disposed on two sliding blocks 50 has mounting hole, as shown in Fig. 2, two mounting holes coaxial arrangements.
As shown in Fig. 2, sanding unit includes two rotatable polishing rings 70 and two connecting tubes 60, the one of connecting tube 60
End is rotated coaxially with the mounting hole of sliding block 50 to be connect, the other end of connecting tube 60 and the inner ring coaxial welding of polishing ring 70, connection
The inner wall of pipe 60 and the inner ring of polishing ring 70 surround polishing hole, are equipped with grinding disc 702, grinding disc 702 on the inner wall in hole of polishing
It is removably mounted on the inner wall in polishing hole, the outer wall transition fit of grinding disc 702 and steel pipe 90.
As shown in figures 1 and 3, the outer ring of polishing ring 70 is equipped with several driving cogs 701, and transmission ring 40, which is coaxially set in, to be beaten
Outside bull ring 70, gap is equipped between transmission ring 40 and polishing ring 70.As shown in figure 3, being hinged with hook tooth on the downside of transmission ring 40
401, the right side for hooking tooth 401 is opposite with the inner wall of transmission ring 40, hooks and is welded with tension spring 402 on the right side of tooth 401, tension spring 402
Upper end and the downside of transmission ring 40 are welded；Tooth 401 is hooked between two adjacent driving cogs 701, and two neighboring driving cog
Have between 701 and only one hooks tooth 401；When transmission ring 40 rotates, the left side on the right side and driving cog 701 that hook tooth 401 offsets
Or hook the left side of tooth 401 and the right side sliding contact of driving cog 701.
As shown in Figure 1, gear unit includes slide bar 801, first connecting rod 802 and second connecting rod 803,20 level of lifter plate is set
It sets, and the upper end of slide bar 801 passes through rack 10 and the lower surface of lifter plate 20 is welded, slide bar 801 is slidably connected with rack 10, sliding
The lower end of bar 801 and the upper end of first connecting rod 802 are hinged, and the lower end of first connecting rod 802 and the left end of second connecting rod 803 are hinged,
Second connecting rod 803 is welded close to one end of transmission ring 40 and the outer ring of transmission ring 40；It is vertical that gear unit is distributed in transmission ring 40
The two sides of middle line, the gear unit on right side and the transmission ring 40 of front side connect, the gear unit in left side and the transmission ring 40 of rear side
Connection.When lifter plate 20 is gone up and down, the wheel side of cam 30 is contacted with the upper surface of lifter plate 20, the transmission list on lifter plate 20 and right side
Member drives the polishing ring 70 of front side to rotate clockwise, and the gear unit in lifter plate 20 and left side drives 70 inverse time of polishing ring of rear side
Needle rotation.
As shown in Figure 1, being provided with spring between lifter plate 20 and rack 10, spring is pressure spring 804, the upper end of pressure spring 804
It is welded with the lower surface of lifter plate 20, the lower end of pressure spring 804 and rack 10 are welded, and pressure spring 804 and slide bar 801 are coaxially disposed.
As shown in Fig. 2, two sliding blocks, 50, two sanding units, two connecting tubes 60 and two transmission rings 40 are along two cunnings
The vertical center symmetric setting of block 50.
One of the present embodiment builds the grinding device of tubular goods when in use, first that steel pipe 90 to be polished is horizontal
It is inserted into two polishing holes as shown in Figure 2, steel pipe 90 is contacted with the grinding disc 702 in polishing hole, then fixes steel pipe 90
Both ends outside polishing hole.
Then starting cam 30 rotates, and cam 30 compresses downwards lifter plate 20 when rotating, the process that lifter plate 20 declines
It is middle that first pressure spring 804 is compressed, while slide bar 801 being pushed to move down, the slide bar 801 moved down pushes first connecting rod 802 to move down, the
It drives the upper end of the second connecting rod 803 of heeling condition to move down when one connecting rod 802 declines, second connecting rod 803 is made to be in as shown in Figure 1
Horizontal direction state；The center point of the second connecting rod 803 close to one end of transmission ring 40 around transmission ring 40 rotates during this, in turn
The rotation of transmission ring 40 is stirred, the second connecting rod 803 on the right side of Fig. 1 is now placed in and transmission ring 40 is driven to rotate clockwise, at this time in Fig. 3
The left side on the right side and driving cog 701 that hook tooth 401 offsets, and tooth 401 is hooked when transmission ring 40 rotates with driving cog 701 and keeps relatively quiet
Only, and then the polishing ring 70 of front side is driven to rotate clockwise.In Fig. 2, due to two sliding blocks, 50, two sanding units, two
Connecting tube 60 and two transmission rings 40 are symmetrical arranged along the vertical center line of two sliding blocks 50, so can make to be located at rear side in Fig. 1
Polishing ring 70 rotates counterclockwise.
Two polishing rings 70 drive connecting tube 60 and the grinding disc 702 polished in hole to rotate when rotating, and grinding disc 702 is to steel
The outer wall of pipe 90 is polished, and sliding block 50 can limit the rotation of connecting tube 60.
When in a horizontal state to two second connecting rods 803, lifter plate 20 is displaced downwardly to extreme position, and the maximum of cam 30 is straight
After turning at diameter, lifter plate 20 is sprung back under the elastic force of pressure spring 804, and then is connected with moving slide-bar 801, first connecting rod 802 and second
Bar 803 is moved back to original height, and second connecting rod 803 drives transmission ring 40 to rotate back to original position.When transmission ring 40 turns round, such as scheme
Shown in 3, the left side of tooth 401 and the right contact of driving cog 701 are hooked, torsion, which is converted into, hooks tooth 401 to the pressure of tension spring 402, draws
Spring 402 is shunk, and is made to hook tooth 401 and is rotated around the hinged place for hooking tooth 401 and transmission ring 40, polish ring 70 and driving cog 701 relative to
It hooks tooth 401 and keeps opposing stationary；Polishing ring 70 on front side of the second connecting rod 803 on right side drives again rotates clockwise, left side
Second connecting rod 803 drive the polishing ring 70 of front side when rotating counterclockwise again, the burr on 90 outer wall of steel pipe is carried out again
Polishing.
During polishing, can Level Promoting steel pipe 90 it is mobile, the various pieces of steel pipe 90 can be connect with grinding disc 702
Touching, when steel pipe 90 moves horizontally, the part burr in grinding disc 702 is carried over, and is discharged convenient for burr；Work as grinding disc
When 702 polishing ability reaches capacity, the replaceable grinding disc 702 being located in polishing hole allows entire grinding device to keep efficient
Polishing ability.
Claims (7)
1. a kind of grinding device for building tubular goods, including rack, which is characterized in that further include sanding unit and fixed installation
Sliding block on the rack, being horizontally disposed on the sliding block has mounting hole, and the sanding unit includes several rotatable polishing rings
With several connecting tubes, one end of connecting tube and the mounting hole of sliding block rotate coaxially connection, the other end of connecting tube and ring of polishing
Inner ring is fixedly and coaxially connected, and the inner wall of the connecting tube and the inner ring of polishing ring surround polishing hole, is laid on the inner wall in hole of polishing
There are grinding disc, the outer wall transition fit of grinding disc and steel pipe.
2. the grinding device of building tubular goods according to claim 1, which is characterized in that it further include several transmission rings,
The outer ring of the polishing ring is equipped with several driving cogs, and the transmission ring is coaxially set in outside polishing ring, transmission ring and polishing ring
Between be equipped with gap, be hinged with several hook teeth on the side of the close polishing ring of transmission ring, hook tooth side and transmission ring it is interior
Wall is opposite, hooks tooth and is fixedly installed with tension spring on the inner wall side of transmission ring, the other end of tension spring and the inner wall of transmission ring are solid
Fixed connection；Tooth position is hooked between two adjacent driving cogs, and hook tooth to offset with the side of driving cog close to the side of tension spring,
Hooking side of the tooth far from tension spring can be with the other side sliding contact of driving cog.
3. it is according to claim 2 building tubular goods grinding device, which is characterized in that if further include lifter plate and
The dry gear unit for driving transmission ring to rotate clockwise or rotate counterclockwise, the gear unit include slide bar, first connecting rod and
Second connecting rod, the lifter plate is horizontally disposed, and the upper end of slide bar passes through rack and is fixedly connected with the lower surface of lifter plate, slide bar
It being connect with housing slide, the lower end of slide bar and one end of first connecting rod are hinged, and the one of the other end of first connecting rod and second connecting rod
End is hinged, and the other end of second connecting rod is fixedly connected with transmission ring.
4. the grinding device of building tubular goods according to claim 3, which is characterized in that the lifter plate and rack it
Between be provided with spring, one end of spring is fixedly connected with the lower surface of lifter plate, and the other end of spring is fixedly connected with rack.
5. the grinding device of building tubular goods according to claim 4, which is characterized in that the spring is pressure spring, and
Pressure spring and slide bar are coaxially disposed.
6. the grinding device of building tubular goods according to claim 2, which is characterized in that the two neighboring driving cog
Between have and only one hook tooth.
7. the grinding device of building tubular goods according to claim 1, which is characterized in that the grinding disc is detachably pacified
On the inner wall in polishing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534686.7A CN109465692B (en) | 2018-12-14 | 2018-12-14 | Polishing device for building pipe materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534686.7A CN109465692B (en) | 2018-12-14 | 2018-12-14 | Polishing device for building pipe materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109465692A true CN109465692A (en) | 2019-03-15 |
| CN109465692B CN109465692B (en) | 2020-04-14 |
Family
ID=65675172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811534686.7A Active CN109465692B (en) | 2018-12-14 | 2018-12-14 | Polishing device for building pipe materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109465692B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440163A (en) * | 2020-11-16 | 2021-03-05 | 俞樑兵 | Large-diameter threaded steel pipe forming processing method |
| CN116100435A (en) * | 2023-03-19 | 2023-05-12 | 江苏江中集团有限公司 | Auxiliary polishing device for building construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001121387A (en) * | 1999-10-28 | 2001-05-08 | Nisshin Steel Co Ltd | Outer surface polishing device for pillar material |
| CN201872011U (en) * | 2010-07-13 | 2011-06-22 | 濮阳中石集团有限公司 | Cylindrical grinding device |
| CN205852416U (en) * | 2016-06-18 | 2017-01-04 | 新昌县兴旺轴承有限公司 | A kind of bearing outer ring burnishing device of drum-type |
| CN206097329U (en) * | 2016-08-31 | 2017-04-12 | 江苏文瑞智能科技有限公司 | A yard device is swiftly swept with RFID in supermarket |
| CN107486773A (en) * | 2016-06-13 | 2017-12-19 | 重庆三希宝科技发展有限公司 | A kind of efficient electromechanical accessory sanding apparatus |
| CN207104209U (en) * | 2017-08-02 | 2018-03-16 | 广东派博钢管有限公司 | Weld seam automatically grinding device is used in a kind of spiral steel pipe production |
| CN207700668U (en) * | 2017-11-28 | 2018-08-07 | 开封大学 | A kind of building scaffold surface derusting device for steel tubes |
| CN108556230A (en) * | 2018-05-31 | 2018-09-21 | 重庆聚伯雅科技有限公司 | Plastic part cuts grinding apparatus |
| CN108723508A (en) * | 2018-05-29 | 2018-11-02 | 重庆市璧山区合成机械制造有限公司 | Gear grinding device |
-
2018
- 2018-12-14 CN CN201811534686.7A patent/CN109465692B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001121387A (en) * | 1999-10-28 | 2001-05-08 | Nisshin Steel Co Ltd | Outer surface polishing device for pillar material |
| CN201872011U (en) * | 2010-07-13 | 2011-06-22 | 濮阳中石集团有限公司 | Cylindrical grinding device |
| CN107486773A (en) * | 2016-06-13 | 2017-12-19 | 重庆三希宝科技发展有限公司 | A kind of efficient electromechanical accessory sanding apparatus |
| CN205852416U (en) * | 2016-06-18 | 2017-01-04 | 新昌县兴旺轴承有限公司 | A kind of bearing outer ring burnishing device of drum-type |
| CN206097329U (en) * | 2016-08-31 | 2017-04-12 | 江苏文瑞智能科技有限公司 | A yard device is swiftly swept with RFID in supermarket |
| CN207104209U (en) * | 2017-08-02 | 2018-03-16 | 广东派博钢管有限公司 | Weld seam automatically grinding device is used in a kind of spiral steel pipe production |
| CN207700668U (en) * | 2017-11-28 | 2018-08-07 | 开封大学 | A kind of building scaffold surface derusting device for steel tubes |
| CN108723508A (en) * | 2018-05-29 | 2018-11-02 | 重庆市璧山区合成机械制造有限公司 | Gear grinding device |
| CN108556230A (en) * | 2018-05-31 | 2018-09-21 | 重庆聚伯雅科技有限公司 | Plastic part cuts grinding apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440163A (en) * | 2020-11-16 | 2021-03-05 | 俞樑兵 | Large-diameter threaded steel pipe forming processing method |
| CN116100435A (en) * | 2023-03-19 | 2023-05-12 | 江苏江中集团有限公司 | Auxiliary polishing device for building construction |
| CN116100435B (en) * | 2023-03-19 | 2023-09-29 | 江苏江中集团有限公司 | Auxiliary polishing device for building construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109465692B (en) | 2020-04-14 |
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Application publication date: 20190315 Assignee: NINGBO DESHEN MACHINERY EQUIPMENT Co.,Ltd. Assignor: XIANGSHAN DUIPENG ELECTRONIC TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000252 Denomination of invention: A grinding device for building pipe materials Granted publication date: 20200414 License type: Common License Record date: 20210904 Application publication date: 20190315 Assignee: NINGBO LONGRUI MACHINERY MANUFACTURE Co.,Ltd. Assignor: XIANGSHAN DUIPENG ELECTRONIC TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000229 Denomination of invention: A grinding device for building pipe materials Granted publication date: 20200414 License type: Common License Record date: 20210903 Application publication date: 20190315 Assignee: NINGBO HIGH-TECH ZONE SHENTAIDE MACHINERY EQUIPMENT Co.,Ltd. Assignor: XIANGSHAN DUIPENG ELECTRONIC TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000231 Denomination of invention: A grinding device for building pipe materials Granted publication date: 20200414 License type: Common License Record date: 20210904 |
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Assignee: NINGBO HIGH-TECH ZONE SHENTAIDE MACHINERY EQUIPMENT Co.,Ltd. Assignor: XIANGSHAN DUIPENG ELECTRONIC TECHNOLOGY CO.,LTD. Contract record no.: X2021330000231 Date of cancellation: 20240220 Assignee: NINGBO LONGRUI MACHINERY MANUFACTURE CO.,LTD. Assignor: XIANGSHAN DUIPENG ELECTRONIC TECHNOLOGY CO.,LTD. Contract record no.: X2021330000229 Date of cancellation: 20240220 Assignee: NINGBO DESHEN MACHINERY EQUIPMENT Co.,Ltd. Assignor: XIANGSHAN DUIPENG ELECTRONIC TECHNOLOGY CO.,LTD. Contract record no.: X2021330000252 Date of cancellation: 20240220 |