CN108393533A - A kind of metal pipe material cutter device - Google Patents
A kind of metal pipe material cutter device Download PDFInfo
- Publication number
- CN108393533A CN108393533A CN201810499547.9A CN201810499547A CN108393533A CN 108393533 A CN108393533 A CN 108393533A CN 201810499547 A CN201810499547 A CN 201810499547A CN 108393533 A CN108393533 A CN 108393533A
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- China
- Prior art keywords
- metal pipe
- pipe material
- cut
- clamping
- cutting
- 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
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- 239000002184 metal Substances 0.000 title claims abstract description 69
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 69
- 239000000463 material Substances 0.000 title claims abstract description 67
- 238000005520 cutting process Methods 0.000 claims abstract description 69
- 238000009434 installation Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000003698 laser cutting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D19/00—Shearing machines or shearing devices cutting by rotary discs
- B23D19/04—Shearing machines or shearing devices cutting by rotary discs having rotary shearing discs arranged in co-operating pairs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The present invention relates to a kind of metal pipe material cutter device, including cutting group and clamping group, for clamping group for gripping metal pipe material to be cut, cutting group is laid in the both sides of metal pipe material to be cut, while being cut to metal pipe material to be cut；The present invention is not only simple in structure, easy to operate, while ensureing the stability of metal pipe material in cutting process, and two-way simultaneous cutting improves cutting efficiency.
Description
Technical field
The present invention relates to a kind of metal pipe material cutter devices, belong to cutting mechanics field.
Background technology
Develop with modern mechanical processing industry, the continuous improvement to the quality of cutting, required precision, to improving production effect
Rate, reduce production cost, the requirement of automatic cutting function with high-intelligentization is also being promoted.Currently, cutting machine in the market
It is divided into flame cutting machine, plasma cutting machine, laser cutting machine, Water Cutting etc.；Wherein laser cutting machine is that efficiency is most fast, cutting
Precision highest, cutting thickness are typically small；Also quickly, cut surface has certain gradient to plasma cutting machine cutting speed；Flame
Cutting machine is directed to the larger carbon steel material of thickness；Laser cutting machine is that efficiency is most fast, cutting accuracy highest, and cutting thickness is general
It is smaller.
It is contemplated that many metal pipe materials when being cut, because of environmental restrictions, can not select large-scale precision
High cutter device is cut, therefore the easy cutting mechanics that also arisen, and is especially focused on soon to the cutting of metal pipe material
Victory, convenient, cutting efficiency is high.
Application No. is 201510642343.2, a kind of entitled metal tube cutting device, including the affixed peace in middle part
The pedestal of cylinder, inside equipped with mobile foundation is installed by the way that multiple trays are affixed equipped with fixed pedestal, outside, in fixed pedestal
Middle part offer axis hole, the middle part of cylinder piston rod is located in axis hole and front end and the middle part of mobile foundation are affixed；In fixation
The affixed installation in both ends of pedestal, there are two mobile fixture block, is fixed there are two fixing clip, in the affixed installation in the both ends of mobile foundation
Fixture block and the V-groove that lateral direction penetrating is offered on the madial wall of both mobile fixture blocks；It is connected with outer sleeve in the outer end of pedestal,
The center of its end wall is equipped with female cylindrical central sleeve, threaded rod is equipped in cylindrical central sleeve, the outer end of threaded rod is equipped with
Handwheel further includes the inner sleeve being located in outer sleeve, and inner end opening, outer end closure, the outer end plugged and fixed of cylinder is in inner sleeve
In cylinder, it is connected with branch sleeve in the outer side center of interior sleeve end wall, the inner end of threaded rod is located in branch sleeve.Above-mentioned gold
Although cutting effect can be reached by belonging to device for cutting pipe, metal pipe material in cutting process can not be avoided to be easy movement, led
It causes cutting not accurate and complicated, operates also relative complex.
Application No. is 201410269193.0, entitled category device for cutting pipe, including cutting machine, frame body one and frame
Body two, frame body one include the brandreth and two crossbeams of two right-angle types in left and right, and two brandreth upper and lower sides are connected by crossbeam, frame
Body two includes and square frame frame and puts pipe support, on the left of frame frame with snap ring that mutual holding is both provided on the brandreth on right side, two
Multiple movable pulleies are provided on the inside of root brandreth, cutting machine includes pedestal, and the rolling to match with movable pulley is provided in the both sides of pedestal
Wheel, in four diagonal bolts for being provided with vertical type of frame frame；It is that one kind is simple in structure, easy to use, it can be with multinomial tubing simultaneously
The metal pipe material cutter device of row or superposition.Above-mentioned structure is simple, easy to operate, but can not ensure metal in cutting process
Tubing position is firm, while cutting speed is unable to get guarantee.
Therefore, there is an urgent need for a kind of cutter device simple in structure, easy to operate, not only meet cutting accuracy requirement, it is full simultaneously
Sufficient cutting efficiency requirement.
Invention content
The present invention provides a kind of metal pipe material cutter device, is not only simple in structure, easy to operate, while in cutting process
Ensure that the stability of metal pipe material, two-way simultaneous cutting improve cutting efficiency.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of metal pipe material cutter device, including cutting group and clamping group, clamping group are cut for gripping metal pipe material to be cut
Group is laid in the both sides of metal pipe material to be cut, while being cut to metal pipe material to be cut；
As present invention further optimization, cutting group above-mentioned includes the first cutter device and the second cutter device, difference cloth
The both sides of metal pipe material to be cut are located at, and the two structure is identical, include supporting rack, the fixed support of top installation of supporting rack
Electric rotating machine is fixedly mounted in one end of block, supporting block, and rolling roller, the other end installation cutting of supporting block are arranged on output shaft
Cover, cutting cover is interior to be arranged blade, and the center of blade passes through rotation axis, the both ends of rotation axis to be rotatably connected to cutting cover
On, while cutting cover is stretched out in one end of rotation axis, rolling roller is sequentially connected by belt and rotation axis；
Clamping group above-mentioned includes the first clamping device and the second clamping device, and the two is laid in metal pipe material to be cut respectively
The dual clamping of metal pipe material to be cut is realized at both ends, and the two structure is identical, includes fastening frame, fastening frame packet above-mentioned
The the first clamping face and the second clamping face for being mutually perpendicular to lay are included, flexure plane is set between the first clamping face and the second clamping face,
Connected respectively by arc transition between flexure plane and the first clamping face, the second clamping face, first clamp face, second clamp face and
The gripping space for gripping metal pipe material to be cut is formed among flexure plane；Further include the first fixed component and the second fixed component,
First fixed component with first clamp face vertical runs, and the first fixed component stretch into gripping space in, end with it is to be cut
Metal pipe material contacts, and the second fixed component clamps face vertical runs with second, and the second fixed component stretches into gripping space,
End is contacted with metal pipe material to be cut；
As present invention further optimization, the first fixed component above-mentioned is identical as the second fixed component structure, includes rotation
Shaft, the uniformly distributed screw thread in periphery, is arranged rotating nuts on the rotary shaft, is clamped on face and the second clamping face respectively first
The first threaded hole and the second threaded hole are opened up, two rotary shafts are passed through by first through hole, the second through-hole stretch into gripping space respectively
Interior, end is in contact with metal pipe material to be cut；Rotating nuts are respectively placed in the rotary shaft of gripping outside；
As present invention further optimization, flexure plane above-mentioned is located at uniformly distributed multiple elasticity on the side in gripping space
Sawtooth；
As present invention further optimization, it is all connected with firm banking in the bottom of the first clamping device and the second clamping device,
I.e. second lower section for clamping face is installed by firm banking.
By above technical scheme, compared with the existing technology, the invention has the advantages that：
The present invention realizes the two-way grip to metal pipe material to be cut by the setting of the first clamping device and the second clamping device
Tightly, ensure in cutting process, the stability of metal pipe material position；
The present invention is realized and is cut to the two-way of metal pipe material to be cut by the setting of the first cutter device and the second cutter device
It cuts, improves cutting efficiency.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the overall structure diagram of the preferred embodiment of the present invention；
Fig. 2 is the structural schematic diagram of first clamping device of the preferred embodiment of the present invention；
Fig. 3 is the structural schematic diagram of first cutter device of the preferred embodiment of the present invention.
In figure：1 is the first cutter device, and 2 be the second cutter device, and 3 be the first clamping device, and 4 be the second clamping device,
5 be supporting rack, and 6 be supporting block, and 7 be electric rotating machine, and 8 be cutting cover, and 9 be blade, and 10 be belt, and 11 clamp face for first, 12
Face is clamped for second, 13 be flexure plane, and 14 be rotary shaft, and 15 be rotating nuts, and 16 be elastic sawtooth, and 17 be pedestal.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
As shown in Figs. 1-3, the present invention includes with lower component：1 is the first cutter device, and 2 be the second cutter device, and 3 be the
One clamping device, 4 be the second clamping device, and 5 be supporting rack, and 6 be supporting block, and 7 be electric rotating machine, and 8 be cutting cover, and 9 be blade,
10 be belt, and 11 clamp face for first, and 12 clamp face for second, and 13 be flexure plane, and 14 be rotary shaft, and 15 be rotating nuts, 16
It is pedestal for elastic sawtooth, 17.
A kind of metal pipe material cutter device of the present invention, including cutting group and clamping group, clamping group are to be cut for gripping
Metal pipe material, cutting group is laid in the both sides of metal pipe material to be cut, while being cut to metal pipe material to be cut.
As present invention further optimization, cutting group above-mentioned includes the first cutter device and the second cutter device, is divided
It is not laid in the both sides of metal pipe material to be cut, and the two structure is identical, includes supporting rack, the top installation of supporting rack is fixed
Electric rotating machine is fixedly mounted in one end of supporting block, supporting block, and rolling roller is arranged on output shaft, and the other end installation of supporting block is cut
Cover is cut, blade is set in cutting cover, the center of blade passes through rotation axis, the both ends of rotation axis to be rotatably connected to cutting cover
On, while cutting cover is stretched out in one end of rotation axis, rolling roller is sequentially connected by belt and rotation axis；
Clamping group above-mentioned includes the first clamping device and the second clamping device, and the two is laid in metal pipe material to be cut respectively
The dual clamping of metal pipe material to be cut is realized at both ends, and the two structure is identical, includes fastening frame, fastening frame packet above-mentioned
The the first clamping face and the second clamping face for being mutually perpendicular to lay are included, flexure plane is set between the first clamping face and the second clamping face,
Connected respectively by arc transition between flexure plane and the first clamping face, the second clamping face, first clamp face, second clamp face and
The gripping space for gripping metal pipe material to be cut is formed among flexure plane；Further include the first fixed component and the second fixed component,
First fixed component with first clamp face vertical runs, and the first fixed component stretch into gripping space in, end with it is to be cut
Metal pipe material contacts, and the second fixed component clamps face vertical runs with second, and the second fixed component stretches into gripping space,
End is contacted with metal pipe material to be cut；
As present invention further optimization, the first fixed component above-mentioned is identical as the second fixed component structure, includes rotation
Shaft, the uniformly distributed screw thread in periphery, is arranged rotating nuts on the rotary shaft, is clamped on face and the second clamping face respectively first
The first threaded hole and the second threaded hole are opened up, two rotary shafts are passed through by first through hole, the second through-hole stretch into gripping space respectively
Interior, end is in contact with metal pipe material to be cut；Rotating nuts are respectively placed in the rotary shaft of gripping outside；
As present invention further optimization, flexure plane above-mentioned is located at uniformly distributed multiple elasticity on the side in gripping space
Sawtooth；The setting of elastic sawtooth increases and metal pipe material table to be cut when metal pipe material to be cut is laid in clamping group
The frictional property in face further fastens the position of metal pipe material to be cut；
As present invention further optimization, it is all connected with firm banking in the bottom of the first clamping device and the second clamping device,
I.e. second lower section for clamping face is installed by firm banking.
When carrying out operation to metal pipe material by above-mentioned apparatus, include the following steps：
The first step：The installation of first cutter device installs fixed support block on the top of supporting rack, and peace is fixed in one end of supporting block
Electric rotating machine is filled, rolling roller is installed on electric rotating machine output shaft, the installation in the other end installation cutting cover of supporting block, cutting cover
Blade opens up aperture in the center of blade, passes through rotation axis in aperture, while the both ends of rotation axis being rotatably connected to
On cutting cover, cutting cover is stretched out into one end of rotation axis, is connected by belt between rolling roller and rotation axis, transmission knot is formed
Structure；
Second step：The installation of first clamping device is vertically fixed in the first clamping face and the second clamping face, between the two by curved
Curved surface connects, the first fixed component of right angle setting on the first clamping face, the second fixed part of disposition installation on the second clamping face
Part；
Third walks：The laying of cutting group installs the first cutter device, in metal tube to be cut in the side of metal pipe material to be cut
The other side of material is installed by the second cutter device identical with the first cutter device structure；
4th step：The laying of clamping group installs the first clamping device, in metal to be cut in an end of metal pipe material to be cut
Another end of tubing is installed by the second clamping device identical with the first clamping device structure；
5th step：Cutting group is debugged, electric rotating machine is started, output shaft rotation drives rolling roller rotation, is driven and connects with rolling roller
The rotary shaft connect is rotated, and blade can be rotated at this time；
6th step：Debug clamping group, the first fixed component of adjustment, the second fixed component position, ensure the first fixed component, the
Two fixed components can carry out moving in rotation；
7th step：The two ends of metal pipe material to be cut are respectively protruding into the first clamping device and second and clamp dress by cutting operation
In setting, the position of the first fixed component and the second fixed component is adjusted, makes it that metal pipe material to be cut is tightly coated on clamping
In space；Start electric rotating machine, the rotation band cutting blade of rolling roller rotates, and be laid in metal pipe material both sides to be cut first cuts
It cuts device and the second cutter device while starting, cutting is carried out at the same time to metal pipe material to be cut, completes operation；
As present invention further optimization, the first fixed component above-mentioned is identical as the second fixed component structure, includes rotation
Shaft, the uniformly distributed screw thread in periphery, is arranged rotating nuts on the rotary shaft, is clamped on face and the second clamping face respectively first
The first threaded hole and the second threaded hole are opened up, two rotary shafts are passed through by first through hole, the second through-hole stretch into gripping space respectively
Interior, end is in contact with metal pipe material to be cut；Rotating nuts are respectively placed in the rotary shaft of gripping outside；
As present invention further optimization, flexure plane above-mentioned is located at uniformly distributed multiple elasticity on the side in gripping space
Sawtooth；
As present invention further optimization, it is all connected with firm banking in the bottom of the first clamping device and the second clamping device,
I.e. second lower section for clamping face is installed by firm banking.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein（Including technology art
Language and scientific terminology）With meaning identical with the general understanding of the those of ordinary skill in the application fields.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
The meaning of "and/or" described herein refers to that the case where respective individualism or both exists simultaneously wraps
Including including.
The meaning of " connection " described herein can be directly connected to can also be to pass through between component between component
Other components are indirectly connected with.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (5)
1. a kind of metal pipe material cutter device, it is characterised in that：Including cutting group and clamping group, clamping group is to be cut for gripping
Metal pipe material, cutting group is laid in the both sides of metal pipe material to be cut, while being cut to metal pipe material to be cut.
2. metal pipe material cutter device according to claim 1, it is characterised in that：Cutting group above-mentioned includes the first cutting
Device and the second cutter device are laid in the both sides of metal pipe material to be cut respectively, and the two structure is identical, include support
Fixed support block is installed on the top of frame, supporting rack, and one end of supporting block is fixedly mounted electric rotating machine, is arranged on output shaft and rolls
Roller, the other end installation cutting cover of supporting block, cuts and blade is arranged in cover, the center of blade passes through rotation axis, rotation axis
Both ends be rotatably connected on cutting cover, while cutting cover is stretched out in one end of rotation axis, and rolling roller passes through belt and rotation axis
It is sequentially connected；
Clamping group above-mentioned includes the first clamping device and the second clamping device, and the two is laid in metal pipe material to be cut respectively
The dual clamping of metal pipe material to be cut is realized at both ends, and the two structure is identical, includes fastening frame, fastening frame packet above-mentioned
The the first clamping face and the second clamping face for being mutually perpendicular to lay are included, flexure plane is set between the first clamping face and the second clamping face,
Connected respectively by arc transition between flexure plane and the first clamping face, the second clamping face, first clamp face, second clamp face and
The gripping space for gripping metal pipe material to be cut is formed among flexure plane；Further include the first fixed component and the second fixed component,
First fixed component with first clamp face vertical runs, and the first fixed component stretch into gripping space in, end with it is to be cut
Metal pipe material contacts, and the second fixed component clamps face vertical runs with second, and the second fixed component stretches into gripping space,
End is contacted with metal pipe material to be cut.
3. metal pipe material cutter device according to claim 2, it is characterised in that：First fixed component above-mentioned and second
Fixed component structure is identical, includes rotary shaft, and the uniformly distributed screw thread in periphery is arranged rotating nuts on the rotary shaft, the
The first threaded hole and the second threaded hole are opened up on one clamping face and the second clamping face respectively, two rotary shafts are led to by first respectively
Hole, the second through-hole, which pass through, to be stretched into gripping space, and end is in contact with metal pipe material to be cut；Rotating nuts are respectively placed in
In the rotary shaft for gripping outside.
4. metal pipe material cutter device according to claim 2, it is characterised in that：Flexure plane above-mentioned is located at gripping space
Uniformly distributed multiple elastic sawtooth on interior side.
5. metal pipe material cutter device according to claim 2, it is characterised in that：It is clamped in the first clamping device and second
The bottom of device is all connected with firm banking, i.e., firm banking is installed in the second lower section for clamping face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499547.9A CN108393533B (en) | 2018-05-23 | 2018-05-23 | A kind of metal pipe material cutter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499547.9A CN108393533B (en) | 2018-05-23 | 2018-05-23 | A kind of metal pipe material cutter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108393533A true CN108393533A (en) | 2018-08-14 |
| CN108393533B CN108393533B (en) | 2019-09-13 |
Family
ID=63102334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810499547.9A Expired - Fee Related CN108393533B (en) | 2018-05-23 | 2018-05-23 | A kind of metal pipe material cutter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108393533B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130003180U (en) * | 2011-11-21 | 2013-05-29 | 대우조선해양 주식회사 | Clamp device for wedding pipe |
| CN104117724A (en) * | 2013-04-27 | 2014-10-29 | 河北农业大学 | Symmetrical double-shaft cutting machine |
| CN104999298A (en) * | 2015-05-29 | 2015-10-28 | 天津沃尔德泰克机电有限公司 | Automatic control clamping tool |
| CN204935729U (en) * | 2015-09-18 | 2016-01-06 | 天津市坤峰管业有限公司 | A kind of pipe no-chip cutting machine |
| CN206779573U (en) * | 2017-05-25 | 2017-12-22 | 刘黄强 | A kind of tube cutting tool |
| CN207044230U (en) * | 2017-07-21 | 2018-02-27 | 四川业峰塑业有限公司 | A kind of Thin-Wall PVC device for cutting pipe |
-
2018
- 2018-05-23 CN CN201810499547.9A patent/CN108393533B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130003180U (en) * | 2011-11-21 | 2013-05-29 | 대우조선해양 주식회사 | Clamp device for wedding pipe |
| CN104117724A (en) * | 2013-04-27 | 2014-10-29 | 河北农业大学 | Symmetrical double-shaft cutting machine |
| CN104999298A (en) * | 2015-05-29 | 2015-10-28 | 天津沃尔德泰克机电有限公司 | Automatic control clamping tool |
| CN204935729U (en) * | 2015-09-18 | 2016-01-06 | 天津市坤峰管业有限公司 | A kind of pipe no-chip cutting machine |
| CN206779573U (en) * | 2017-05-25 | 2017-12-22 | 刘黄强 | A kind of tube cutting tool |
| CN207044230U (en) * | 2017-07-21 | 2018-02-27 | 四川业峰塑业有限公司 | A kind of Thin-Wall PVC device for cutting pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108393533B (en) | 2019-09-13 |
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