CN106737043A - A kind of application method of high accuracy burnishing machine - Google Patents
A kind of application method of high accuracy burnishing machine Download PDFInfo
- Publication number
- CN106737043A CN106737043A CN201510809093.7A CN201510809093A CN106737043A CN 106737043 A CN106737043 A CN 106737043A CN 201510809093 A CN201510809093 A CN 201510809093A CN 106737043 A CN106737043 A CN 106737043A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- deck
- adjusting rod
- wall
- polishing
- 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.)
- Pending
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
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
-
- 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
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
-
- 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
- B24B5/047—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 of workpieces turning about a vertical axis
-
- 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
- B24B5/363—Single-purpose machines or devices for grinding surfaces of revolution in situ
-
- 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
Abstract
The invention discloses a kind of application method of high accuracy burnishing machine, comprise the following steps：Pipe fitting is directly set on adjusting rod；Regulation deck so that certain mutual extruding is formed between pipe fitting outer wall and deck；To correct position, the lower fastening block of rotation is contacted to ensure the stability of deck mobile deck with deck bottom, and pipe fitting is placed into deck so that the elongated end madial wall close contact of pipe fitting inside and outside wall excircle, deck respectively with upper fastening block；After bottom fastening of the deck to pipe fitting is finished, spring is compressed, and fixture block is in close contact with pipe fitting upper end inwall, and spring is compressed and produces the elastic force along pipe fitting radial direction outwardly；Start motor, i.e. so that adjusting rod starts to drive pipe fitting to rotate, and the pipe fitting outer wall for rotating directly is contacted with polishing paper, using the rough contact surface of paper outer wall of polishing to starting to carry out pipe fitting polishing repeatedly, to reach the purpose of the attachment and projection eliminated on pipe fitting outer wall.
Description
Technical field
The present invention relates to field of machining, specifically refers to a kind of application method of high accuracy burnishing machine.
Background technology
Body, whether in industry, or in life, is all frequently used as a kind of diversing flow system.So, pipe
Body processing is particularly significant.The surface quality of body is an important reference of body performance rating.At present, body polishing is divided into machine
Tool and artificial two kinds, manual polishing speed is slow, and quality is uneven；Mechanical grinding is divided into the polishing of single tube body and many bodys are polished two kinds,
The former efficiency is slow；By body scrolling realization more than the latter, quality is difficult to ensure that.
The content of the invention
It is an object of the invention to provide a kind of application method of high accuracy burnishing machine, it is ensured that pipe fitting polishing quality, together
The processing efficiency of Shi Tigao pipe fittings.
The purpose of the present invention is achieved through the following technical solutions：
A kind of application method of high accuracy burnishing machine, comprises the following steps：
Directly be set on adjusting rod pipe fitting by A, it is ensured that pipe fitting bottom is directly in contact with deck；
B adjusts deck so that certain mutual squeezing effect is formed between pipe fitting outer wall and deck；
C when the polishing position of pipe fitting is adjusted, mobile deck to correct position, the lower fastening block of rotation contacted with deck bottom with
Ensure the stability of deck, pipe fitting is placed into deck, upper fastening block is entered in inside pipe fitting by stock tap wrench
Row regulation so that the elongated end madial wall close contact of pipe fitting inside and outside wall excircle, deck respectively with upper fastening block；
After bottom fastenings of the D in deck to pipe fitting is finished, the spring positioned at adjusting rod upper end is compressed, and on fixture block and pipe fitting
End inwall is in close contact, and spring is compressed and produces the elastic force along pipe fitting radial direction outwardly, to ensure that pipe fitting upper end exists
Fastening effect on adjusting rod；
While pipe fitting is polished, counter is counted E to the rotational frequency and total rotation number of turns of motor output end,
Before different pipe fitting polishings, the size according to its caliber ensures adding for single pipe fitting to set the number of turns of motor rotation in advance
Work time unification；Also, the pause and transition in rhythm or melody sense formed when the differential mechanism that motor output end is installed can make motor minibreak occur is not
Just buffered by differential mechanism before being passed to pipe fitting, realize delaying for motor output end pause situation, motor working condition weight
During new reply, under the regulation of differential mechanism, adjusting rod and pipe fitting remain the rotational frequency of its stabilization, and then ensure pipe fitting
Polishing quality；
F starts corresponding motor according to the quantity of pipe fitting to be processed, that is, cause that adjusting rod starts to drive pipe fitting to rotate, and turn
Dynamic pipe fitting outer wall is directly contacted with polishing paper, using the rough contact surface of paper outer wall of polishing to starting to carry out repeatedly pipe fitting
Polishing, to reach the purpose of the attachment and projection eliminated on pipe fitting outer wall；
In above-mentioned steps, including frame, multiple motors are installed below the frame, in the top of the frame along motor
The axis direction of output end is vertically installed with polishing paper, and adjusting rod is connected with the motor output end, and adjusting rod is upwardly extended
To the middle part of the polishing paper, the deck for fixing pipe fitting is also arranged with the middle part of the adjusting rod, on the deck
Lower two ends are respectively arranged with fastening block, lower fastening block, offer external screw thread on the outer circle wall of the adjusting rod, and it is described on
Fastening block, lower fastening block are threadedly coupled with adjusting rod respectively；Adjustment barrel, institute are installed on the two side at the top of the adjusting rod
State and spring is installed in adjustment barrel, the movable end of spring is connected with fixture block, when the pipe fitting is placed on deck, spring is pressed
Contracting, the end face of the fixture block is contacted with the pipe fitting inner wall；Also include differential mechanism and counter, it is defeated that the differential mechanism installs motor
Go out on end, and motor output end is connected by differential mechanism with adjusting rod, the counter cover is located on the adjusting rod.
In bruting process, motor can realize the rotation of both forward and reverse directions to the present invention, i.e., can be according to the processing feelings of each pipe fitting
Condition, the steering of timely regulation motor is polished the maximization of effect with realizing pipe fitting.The present invention can be carried out to multiple pipe fittings while beating
Mill processing, and according to the polishing situation of its own come adjust in time its rotation direction, compared with traditional single grinding workpieces,
Polishing operating efficiency of the invention is significantly improved, and effect of polishing also is better than traditional polishing mode.
The longitudinal cross-section of the deck is U-shaped, and deck location corresponds to the bottom of the polishing paper.Deck
Section be U-shaped, and be fixed on the outer circle wall of adjusting rod, that is, ensureing that deck bottom is same with what pipe fitting bottom completely attached to
When, the elongated end at deck two ends is then by the side wall fastening of pipe fitting so that when pipe fitting is rotated with adjusting rod, it is ensured that polishing paper with
Speed of related movement keeps stabilization between pipe fitting, it is to avoid occur the phenomenons such as skidding between the two.
The upper fastening block, lower fastening block use rubber or plastic material.Preferably, rubber or plastic material
Upper fastening block, lower fastening block can be realized under certain stressing conditions deformation, reply deformation after produce elastic force can be with pipe fitting
And the applied stress that adjusting rod is subject to is offseted, and then ensure job stability of the pipe fitting in bruting process.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention can carry out processing of polishing simultaneously to multiple pipe fittings, and adjust its turn in time according to the polishing situation of its own
Dynamic direction, compared with traditional single grinding workpieces, polishing operating efficiency of the invention is significantly improved, and effect of polishing
It is better than traditional polishing mode；
2nd, the upper fastening block of present invention use rubber or plastic material, lower fastening block can be realized becoming under certain stressing conditions
Shape, the applied stress that the elastic force produced after deformation is replied can be subject to pipe fitting and adjusting rod is offseted, and then ensures pipe fitting
Job stability in bruting process.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Mark and corresponding parts title in accompanying drawing：
Fastening block, 7- adjusting rods, 8- motors, 9- cards under 1- pipe fittings, 2- frames, 3- polishings paper, the upper fastening blocks of 4-, 5- decks, 6-
Block, 10- springs, 11- adjustment barrels, 12- differential mechanisms, 13- counters.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
It is limitation of the invention.
Embodiment 1
As shown in figure 1, the present embodiment is comprised the following steps：
Directly be set on adjusting rod pipe fitting by A, it is ensured that pipe fitting bottom is directly in contact with deck；
B adjusts deck so that certain mutual squeezing effect is formed between pipe fitting outer wall and deck；
C when the polishing position of pipe fitting is adjusted, mobile deck to correct position, the lower fastening block of rotation contacted with deck bottom with
Ensure the stability of deck, pipe fitting is placed into deck, upper fastening block is entered in inside pipe fitting by stock tap wrench
Row regulation so that the elongated end madial wall close contact of pipe fitting inside and outside wall excircle, deck respectively with upper fastening block；
After bottom fastenings of the D in deck to pipe fitting is finished, the spring positioned at adjusting rod upper end is compressed, and on fixture block and pipe fitting
End inwall is in close contact, and spring is compressed and produces the elastic force along pipe fitting radial direction outwardly, to ensure that pipe fitting upper end exists
Fastening effect on adjusting rod；
While pipe fitting is polished, counter is counted E to the rotational frequency and total rotation number of turns of motor output end,
Before different pipe fitting polishings, the size according to its caliber ensures adding for single pipe fitting to set the number of turns of motor rotation in advance
Work time unification；Also, the pause and transition in rhythm or melody sense formed when the differential mechanism that motor output end is installed can make motor minibreak occur is not
Just buffered by differential mechanism before being passed to pipe fitting, realize delaying for motor output end pause situation, motor working condition weight
During new reply, under the regulation of differential mechanism, adjusting rod and pipe fitting remain the rotational frequency of its stabilization, and then ensure pipe fitting
Polishing quality；
F starts corresponding motor according to the quantity of pipe fitting to be processed, that is, cause that adjusting rod starts to drive pipe fitting to rotate, and turn
Dynamic pipe fitting outer wall is directly contacted with polishing paper, using the rough contact surface of paper outer wall of polishing to starting to carry out repeatedly pipe fitting
Polishing, to reach the purpose of the attachment and projection eliminated on pipe fitting outer wall；
In above-mentioned steps, including frame 2, multiple motors 8 are installed in the lower section of the frame 2, on the top edge of the frame 2
The axis direction of the output end of motor 8 is vertically installed with polishing paper 3, and adjusting rod 7, adjusting rod 7 are connected with the output end of the motor 8
The middle part of the polishing paper 3 is extended upwardly to, the deck 5 for fixing pipe fitting 1 is additionally provided with the middle part of the adjusting rod 7,
Fastening block 4, lower fastening block 6 are respectively arranged with the upper and lower ends of the deck 5, are opened up on the outer circle wall of the adjusting rod 7
There is external screw thread, and the upper fastening block 4, lower fastening block 6 are threadedly coupled with adjusting rod 7 respectively；The two of the top of the adjusting rod 7
It is provided with the wall of side in adjustment barrel 11, the adjustment barrel 11 and spring 10 is installed, the movable end of spring 10 is connected with fixture block 9, when
The pipe fitting 1 is placed in when on deck, and spring 10 is compressed, and the end face of the fixture block 9 is contacted with the inwall of the pipe fitting 1；Also include
Differential mechanism and counter, the differential mechanism are installed on motor output end, and motor output end is connected by differential mechanism with adjusting rod,
The counter cover is located on the adjusting rod；The longitudinal cross-section of the deck 5 is U-shaped, and the location of the deck 5 is right
Answer the bottom of the polishing paper 3.
During present invention work, pipe fitting 1 is directly set on adjusting rod 7, it is ensured that the bottom of pipe fitting 1 directly connects with deck 5
Touch, adjust deck 5 so that certain mutual squeezing effect is formed between the outer wall of pipe fitting 1 and deck 5, now, according to pipe to be processed
The quantity of part 1, starts corresponding motor 8, that is, cause that adjusting rod 7 starts to drive pipe fitting 1 to rotate, and the outer wall of pipe fitting 1 for rotating
Directly contacted with polishing paper 3, using the rough contact surface of the outer wall of paper 3 of polishing to starting to carry out pipe fitting 1 polishing repeatedly, to reach
To the purpose of the attachment and projection eliminated on the outer wall of pipe fitting 1；In bruting process, motor 8 can realize the rotation of both forward and reverse directions, i.e.,
Can be according to the processing situation of each pipe fitting 1, the steering of timely regulation motor 8 is polished the maximization of effect with realizing pipe fitting 1.This hair
It is bright multiple pipe fittings 1 can be carried out simultaneously polish processing, and according to the polishing situation of its own come adjust in time its rotation direction,
Compared with traditional single grinding workpieces, polishing operating efficiency of the invention is significantly improved, and effect of polishing also is better than biography
The polishing mode of system.Also, when the polishing position of pipe fitting 1 is adjusted, mobile deck 5 to correct position, the lower fastening block 6 of rotation with
The bottom of deck 5 is contacted to ensure the stability of deck 5, and pipe fitting 1 is placed into deck 5, is managed by stock tap wrench
Upper fastening block 4 is adjusted inside part 1 so that excircle, the extension of deck 5 respectively with upper fastening block 4 of the inside and outside wall of pipe fitting 1
End madial wall is in close contact, it is ensured that steadiness of the pipe fitting 1 in polishing, further to improve the quality of the polishing of pipe fitting 1.Now,
After bottom fastening of the deck 5 to pipe fitting 1 is finished, the spring 10 positioned at the upper end of adjusting rod 7 is compressed, and on fixture block 9 and pipe fitting 1
End inwall is in close contact, and spring 10 is compressed and produces the elastic force along the radial direction of pipe fitting 1 outwardly, to ensure on pipe fitting 1
Hold the fastening effect on adjusting rod 7；By deck 5 and fixture block 9 respectively to the upper end of pipe fitting 1, the fixation of lower end so that pipe fitting 1
In sanding and polishing, the motion state of its stabilization can be kept, and then realize the maximization of polishing accuracy.
When motor 8 is rotated, pause and transition in rhythm or melody sense, the i.e. output end of motor 8 can frequently occur and discontinuity pause occur, return again
A time course is needed when arriving normal speed again, within this time, the friction between pipe fitting and polishing paper 3 is not of uniform size,
Can cause to occur on the outer wall of pipe fitting 1 uneven, the proportion of goods damageds for causing pipe fitting 1 to be polished rise；The present invention is in the output end of motor 8 peace
Equipped with differential mechanism 12 so that the pause and transition in rhythm or melody sense that being formed during minibreak occurs in motor 8 is not passed to pipe fitting 1 before just by differential mechanism
12 are buffered, and then realize delaying for the output end pause situation of motor 8, when the working condition of motor 8 is replied again, in differential mechanism 12
Regulation under, adjusting rod 7 and pipe fitting 1 remain the rotational frequency of its stabilization, and then ensure the polishing quality of pipe fitting 1.And
And, counter 13 being installed on the adjusting rod 7, the rotational frequency of the output end of motor 8 and total rotation number of turns can be carried out
Statistics, you can before the polishing of different pipe fittings 1, the size according to its caliber ensures to set the number of turns of the rotation of motor 8 in advance
The process time unification of single pipe fitting 1, improves the utilization rate of motor 8 to the full extent, reduces the production cost of the polishing of pipe fitting 1.
Wherein, the section of deck 5 is U-shaped, and is fixed on the outer circle wall of adjusting rod 7, i.e., ensure the bottom of deck 5 with
While the bottom of pipe fitting 1 completely attaches to, the elongated end at the two ends of deck 5 is then by the side wall fastening of pipe fitting 1 so that pipe fitting 1 is with regulation
When bar 7 is rotated together, it is ensured that speed of related movement keeps stabilization between polishing paper 3 and pipe fitting 1, it is to avoid occur skidding between the two
Etc. phenomenon.
Preferably, the upper fastening block 4 of rubber or plastic material, lower fastening block 6 can be realized under certain stressing conditions
Deformation, the applied stress that the elastic force produced after deformation is replied can be subject to pipe fitting 1 and adjusting rod is offseted, and then ensures pipe
Job stability of the part 1 in bruting process.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (3)
1. a kind of application method of high accuracy burnishing machine, it is characterised in that comprise the following steps：
Directly be set on adjusting rod pipe fitting by A, it is ensured that pipe fitting bottom is directly in contact with deck；
B adjusts deck so that certain mutual squeezing effect is formed between pipe fitting outer wall and deck；
C when the polishing position of pipe fitting is adjusted, mobile deck to correct position, the lower fastening block of rotation contacted with deck bottom with
Ensure the stability of deck, pipe fitting is placed into deck, upper fastening block is entered in inside pipe fitting by stock tap wrench
Row regulation so that the elongated end madial wall close contact of pipe fitting inside and outside wall excircle, deck respectively with upper fastening block；
After bottom fastenings of the D in deck to pipe fitting is finished, the spring positioned at adjusting rod upper end is compressed, and on fixture block and pipe fitting
End inwall is in close contact, and spring is compressed and produces the elastic force along pipe fitting radial direction outwardly, to ensure that pipe fitting upper end exists
Fastening effect on adjusting rod；
While pipe fitting is polished, counter is counted E to the rotational frequency and total rotation number of turns of motor output end,
Before different pipe fitting polishings, the size according to its caliber ensures adding for single pipe fitting to set the number of turns of motor rotation in advance
Work time unification；Also, the pause and transition in rhythm or melody sense formed when the differential mechanism that motor output end is installed can make motor minibreak occur is not
Just buffered by differential mechanism before being passed to pipe fitting, realize delaying for motor output end pause situation, motor working condition weight
During new reply, under the regulation of differential mechanism, adjusting rod and pipe fitting remain the rotational frequency of its stabilization, and then ensure pipe fitting
Polishing quality；
F starts corresponding motor according to the quantity of pipe fitting to be processed, that is, cause that adjusting rod starts to drive pipe fitting to rotate, and turn
Dynamic pipe fitting outer wall is directly contacted with polishing paper, using the rough contact surface of paper outer wall of polishing to starting to carry out repeatedly pipe fitting
Polishing, to reach the purpose of the attachment and projection eliminated on pipe fitting outer wall；
In above-mentioned steps, including frame, multiple motors are installed below the frame, in the top of the frame along motor
The axis direction of output end is vertically installed with polishing paper, and adjusting rod is connected with the motor output end, and adjusting rod is upwardly extended
To the middle part of the polishing paper, the deck for fixing pipe fitting is also arranged with the middle part of the adjusting rod, on the deck
Lower two ends are respectively arranged with fastening block, lower fastening block, offer external screw thread on the outer circle wall of the adjusting rod, and it is described on
Fastening block, lower fastening block are threadedly coupled with adjusting rod respectively；Adjustment barrel, institute are installed on the two side at the top of the adjusting rod
State and spring is installed in adjustment barrel, the movable end of spring is connected with fixture block, when the pipe fitting is placed on deck, spring is pressed
Contracting, the end face of the fixture block is contacted with the pipe fitting inner wall；Also include differential mechanism and counter, it is defeated that the differential mechanism installs motor
Go out on end, and motor output end is connected by differential mechanism with adjusting rod, the counter cover is located on the adjusting rod.
2. the application method of a kind of high accuracy burnishing machine according to claim 1, it is characterised in that：The deck it is vertical
It is U-shaped to section, and deck location corresponds to the bottom of the polishing paper.
3. the application method of a kind of high accuracy burnishing machine according to claim 1, it is characterised in that：The upper fastening
Block, lower fastening block use rubber or plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809093.7A CN106737043A (en) | 2015-11-20 | 2015-11-20 | A kind of application method of high accuracy burnishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809093.7A CN106737043A (en) | 2015-11-20 | 2015-11-20 | A kind of application method of high accuracy burnishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106737043A true CN106737043A (en) | 2017-05-31 |
Family
ID=58886444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510809093.7A Pending CN106737043A (en) | 2015-11-20 | 2015-11-20 | A kind of application method of high accuracy burnishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106737043A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388349A (en) * | 2020-10-04 | 2021-02-23 | 郭明旺 | Nonrust steel pipe processing fixing device |
-
2015
- 2015-11-20 CN CN201510809093.7A patent/CN106737043A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388349A (en) * | 2020-10-04 | 2021-02-23 | 郭明旺 | Nonrust steel pipe processing fixing device |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
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| WD01 | Invention patent application deemed withdrawn after publication |