CN108405960A - A kind of cutter device for hardware pipe fitting - Google Patents
A kind of cutter device for hardware pipe fitting Download PDFInfo
- Publication number
- CN108405960A CN108405960A CN201810616884.1A CN201810616884A CN108405960A CN 108405960 A CN108405960 A CN 108405960A CN 201810616884 A CN201810616884 A CN 201810616884A CN 108405960 A CN108405960 A CN 108405960A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- cutter device
- babinet
- rotating bar
- motor
- 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.)
- Withdrawn
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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
- B23D19/00—Shearing machines or shearing devices cutting by rotary discs
-
- 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
- B23D21/00—Machines or devices for shearing or cutting tubes
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The present invention provides a kind of cutter device for hardware pipe fitting, is related to pipe fitting cutting equipment technical field.This is used for the cutter device of hardware pipe fitting, including babinet, it is provided with feed well on the left of the babinet, its right side is provided with blow tank, it is installed with link at the top of the babinet, first motor is installed on the left of the link inner wall, the output end of the first motor is installed with threaded rod by shaft coupling, and movable sleeve is connected to sleeve on the threaded rod.This is used for the cutter device of hardware pipe fitting, the rotation of first motor can drive chopping disk to rotate, uniform cutting speed is kept simultaneously and stablizes cutting track function, it is ensured that the precision and quality of slot improve finished product rate, and avoid the mode manually cut, ensure an excision forming rate, while three rotating bars realize that the cutting diameter of chopping disk in vertical direction is adjusted under the telescopic effect of three electric pushrods, structure stable connection, is less prone to loose phenomenon.
Description
Technical field
The present invention relates to pipe fitting cutting equipment technical fields, specially a kind of cutter device for hardware pipe fitting.
Background technology
Traditional hardware is also hardware, Hardware fitting.Refer to that the metals such as iron, steel, aluminium process forges, rolls, cutting
Cut etc. the various ironware parts that Physical Processing is fabricated.Hardware include mold hardware, mechanical five metals part,
Haberdashery and hardware part, show window hardware, ship hardware, architectural hardware part, aerospace hardware and security protection
Articles for use etc..
Traditional hardware pipe fitting cutter device mostly uses greatly single cutter and carries out, and not only efficiency is low, energy consumption is big, and individual
Between differ greatly, proximate matter gap is larger, and conventional cutting devices are difficult to keep uniform cutting speed and stablize cutting track function,
It is unable to ensure the precision and quality of slot, reduces finished product rate, to be difficult to ensure the machining accuracy of hardware pipe fitting；Simultaneously
Since cutter and proximate matter generate friction and generate heat during cutting, Mars four is penetrated when traditional cutting equipment is cut,
Safety and health to operating personnel cause to seriously threaten.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of cutter device for hardware pipe fitting, hardware is solved
The relatively low problem of the cutter device cutting accuracy of pipe fitting.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of cutting for hardware pipe fitting
Device, including babinet are provided with feed well on the left of the babinet, and right side is provided with blow tank, and the top of the babinet is solid
Dingan County is equipped with link, and first motor is installed on the left of the link inner wall, and the output end of the first motor is logical
It crosses shaft coupling and is installed with threaded rod, movable sleeve is connected to sleeve on the threaded rod, and the front of the sleeve is installed with
Mobile bar, the sleeve are threadedly coupled with threaded rod.
The back side of the mobile bar is installed with fixed block, and cutter device, cabinet wall are provided on the fixed block
The left and right sides be fixedly connected by rack, a plurality of dust through-holes are offered on the rack, are set on the rack
It is equipped with pipe fixing device, babinet is separated into mutually independent upper space and lower layer space, the babinet by the rack
Upper to be respectively articulated with the first door-plate and the second door-plate by hinge, first door-plate and the second door-plate correspond to upper space respectively
And lower layer space.
Preferably, the cutter device includes the second motor, chopping disk, link block, and the link block is fixed with fixed block
Connection, the side of the link block is hinged with the first rotating bar, the side of first rotating bar far from link block by shaft
It is hinged with the second rotating bar by shaft, the side of second rotating bar far from the first rotating bar is hinged with third rotating bar,
Side of the third rotating bar far from the second rotating bar is connected with the second motor, and the output end of the first motor passes through shaft coupling
Device is connect with chopping disk.
Preferably, the side of the link block and the first rotating bar is hinged with the first electric pushrod, institute by shaft respectively
State the side of the first rotating bar and the second rotating bar and the second electric pushrod be hinged with by shaft respectively, second rotating bar and
The side of third rotating bar is hinged with third electric pushrod by shaft respectively.
Preferably, the pipe fixing device includes clamping support, the first pinch wheels, the second pinch wheels, and third motor is described
Clamping support is fixed on rack, and the side of the clamping support, which is inlayed, is provided with bearing holder (housing, cover), and the internal activity of the bearing holder (housing, cover) is inserted
It is connected to swingle, the swingle is located at one end on the outside of clamping support and is installed with rotating handle, the side of the swingle
It being connect with the first pinch wheels by shaft, second pinch wheels are fixedly connected by supporting block with the side of clamping support inner wall,
The output end of the third motor is connect by shaft coupling with the bottom of the second pinch wheels.
Preferably, the equal fixing sleeve in surface of first pinch wheels and the second pinch wheels side is connected to friction pad.
Preferably, sliding slot is offered at the top of the link inner wall, the sliding slot is internally provided with sliding block, the cunning
Block is slidably connected with sliding slot, is fixedly connected at the top of the sliding block and mobile bar.
Preferably, the bottom of the babinet is installed with universal wheel by shaft, and the left side of the babinet is fixedly mounted
There is arm-rest frame.
Preferably, water inlet pipe is provided on the right side of the babinet, the bottom of the water inlet pipe is mutually connected with multiple branch pipes, described
Branch pipe is located at the upside of blow tank.
(3) advantageous effect
The present invention provides a kind of cutter devices for hardware pipe fitting.Has following advantageous effect：
The rotation of the 1, cutter device for being used for hardware pipe fitting, first motor can drive chopping disk to rotate, and in metal
It is cut on pipe fitting, while keeping uniform cutting speed and stablizing cutting track function, it is ensured that the precision and quality of slot carry
High product yield rate, and the mode manually cut is avoided, the effective accuracy for ensureing depth of cut, it is ensured that once cut
Ratio of briquetting is cut, the first rotation, the second rotating bar and third rotating bar are set, and under the telescopic effect of three electric pushrods, it is real
The cutting diameter of existing chopping disk in vertical direction is adjusted, and structure stable connection is less prone to loose phenomenon.
2, clamping support, the first pinch wheels and the second pinch wheels are arranged, due to first in the cutter device for being used for hardware pipe fitting
For pinch wheels by supporting Board position to fix, rotation rotating handle drives swingle rotation, and the first pinch wheels are driven by swingle
The movement carried out in horizontal direction carries out the restriction of position according to the size of tube material, so as to pass through the first pinch wheels
Tube material is clamped in the horizontal direction with the second pinch wheels, avoids generating shaking when cutting, improves cutting accuracy.
3, friction pad is arranged in the cutter device for being used for hardware pipe fitting, when hardware tube material is pushed to side, folder
Bearing up pulley can play position-limiting action, and friction pad can increase the frictional force with tube material, prevent from skidding and pipe fitting material occur
Expect that the bad phenomenon of clamping effect, water inlet pipe are communicated with external source, is carried out by branch pipe by the hardware pipe fitting after cutting is completed
Clean dedusting.
Description of the drawings
Fig. 1 is structure of the invention front section view；
Fig. 2 is structure of the invention front view；
Fig. 3 is cutter device structural side view of the present invention；
Fig. 4 is this practicality pipe fixing device structure top view.
In figure：1 babinet, 2 feed wells, 3 blow tanks, 4 links, 5 first motors, 6 threaded rods, 7 sliding slots, 8 sliding blocks, 9 are moved
Lever, 10 sleeves, 11 fixed blocks, 12 cutter devices, 121 second motors, 122 chopping disks, 123 link blocks, 124 first rotations
Bar, 125 second rotating bars, 126 third rotating bars, 127 first electric pushrods, 128 second electric pushrods, 129 thirds are electronic pushes away
Bar, 13 racks, 14 dust through-holes, 15 pipe fixing devices, 151 clamping supports, 152 first pinch wheels, 153 second pinch wheels,
154 bearing holder (housing, cover)s, 155 swingles, 156 rotating handles, 157 friction pads, 158 third motors, 16 upper spaces, 17 lower layer spaces,
18 first door-plates, 19 second door-plates, 20 universal wheels, 21 arm-rest frames, 22 water inlet pipes, 23 branch pipes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of cutter device for hardware pipe fitting, as shown in Figs 1-4, including babinet 1, babinet
1 bottom is installed with universal wheel 20 by shaft, and the left side of babinet 1 is installed with arm-rest frame 21, and the left side of babinet 1 is set
It is equipped with feed well 2, right side is provided with blow tank 3, and the right side of babinet 1 is provided with water inlet pipe 22, and the bottom of water inlet pipe 22 communicates
There are multiple branch pipes 23, branch pipe 23 to be located at the upside of blow tank 3, water inlet pipe 22 is communicated with external source, will be completed by branch pipe 23
Hardware pipe fitting after cutting carries out cleaning dedusting, and the top of babinet 1 is installed with link 4, is opened at the top of 4 inner wall of link
Equipped with sliding slot 7, sliding slot 7 is internally provided with sliding block 8, and sliding block 8 is slidably connected with sliding slot 7, and sliding block 8 and the top of mobile bar 9 are solid
Fixed connection, sliding slot 7 are internally provided with sliding block 8 so that sleeve 10 can avoid leading due to the rotation of threaded rod 6 in moving process
The sleeve 10 of cause is servo-actuated so that and mobile bar 9 can be moved steadily, to drive cutter device 12 to carry out the selection of cutting position,
First motor 5 is installed on the left of 4 inner wall of link, the output end of first motor 5 is installed with spiral shell by shaft coupling
Rasp bar 6, movable sleeve is connected to sleeve 10 on threaded rod 6, and the front of sleeve 10 is installed with mobile bar 9, sleeve 10 and threaded rod 6
It is threadedly coupled.
The back side of mobile bar 9 is installed with fixed block 11, and cutter device 12, cutter device 12 are provided on fixed block 11
Including the second motor 121, chopping disk 122, link block 123, link block 123 is fixedly connected with fixed block 11, and the one of link block 123
Side is hinged with the first rotating bar 124 by shaft, and the first side of the rotating bar 124 far from link block 123 is hinged with by shaft
Second rotating bar 125, side of second rotating bar 125 far from the first rotating bar 124 are hinged with third rotating bar 126, and third turns
Side of the lever 126 far from the second rotating bar 125 is connected with the second motor 121, the output end of first motor 5 by shaft coupling with
Chopping disk 122 connects, and the rotation of first motor 5 can drive chopping disk 122 to rotate, and be cut on metal tube, together
When keep uniform cutting speed and stablize cutting track function, it is ensured that the precision and quality of slot improve finished product rate, and
The mode manually cut is avoided, the effective accuracy for ensureing depth of cut, it is ensured that an excision forming rate, link block
123 and first the side of rotating bar 124 the first electric pushrod 127, the first rotating bar 124 and second are hinged with by shaft respectively
The side of rotating bar 125 is hinged with the second electric pushrod 128, the second rotating bar 125 and third rotating bar 126 by shaft respectively
Side third electric pushrod 129 is hinged with by shaft respectively, first the 124, second rotating bar 125 of rotation of setting and third turn
Lever 126, and under the telescopic effect of three electric pushrods, realize that the cutting diameter of chopping disk in vertical direction is adjusted, knot
Structure stable connection, is less prone to loose phenomenon, and extremely embody three rotating bars in the present embodiment connects realization with three electric pushrods
The adjustment of cutting position, and be connected as between multiple rotating bars it is detachable, also can be according to required cutting in other embodiment
Hardware plumbing dimensions be flexibly arranged, the left and right sides of 1 inner wall of babinet is fixedly connected by rack 13, on rack 13
Offer a plurality of dust through-holes 14, the dust that when cutting generates can drop into rack 13, when the pipe fitting of required cutting is more
It needs often to clear up dust, working efficiency is more low, and setting dust through-hole 14, dust can fall into lower layer space 17, to just
In being provided with pipe fixing device 15 in the cleaning of dust, rack 13, pipe fixing device 15 includes clamping support 151, first
Pinch wheels 152, the second pinch wheels 153, third motor 158, clamping support 151 are fixed on rack 13, the side of clamping support 151
It inlays and is provided with bearing holder (housing, cover) 154, the internal activity of bearing holder (housing, cover) 154 is plugged with swingle 155, and swingle 155 is located at clamping support 151
The one end in outside is installed with rotating handle 156, and rotating handle 156 is arranged in the outside of babinet 1, is clamped convenient for adjusting manually
Dynamics, the side of swingle 155 connect by shaft with the first pinch wheels 152, and the second pinch wheels 153 pass through supporting block and folder
The side of 151 inner wall of tight frame is fixedly connected, and clamping support 151, the first pinch wheels 152 and the second pinch wheels 153 is arranged, due to first
Pinch wheels 152 are fixed by 4 position of support plate, and rotation rotating handle 156 drives swingle 155 to rotate, and passes through 155 band of swingle
The movement that dynamic first pinch wheels 152 carry out in horizontal direction carries out the restriction of position according to the size of tube material, so as to
Enough tube material is clamped in the horizontal direction by the first pinch wheels 5 and the second pinch wheels 153, avoids shaking when cutting
It is dynamic, cutting accuracy is improved, the output end of third motor 158 is connect by shaft coupling with the bottom of the second pinch wheels 153, third electricity
Machine 158 enables to hardware pipe fitting to be moved in the horizontal direction, consequently facilitating five by driving the second pinch wheels 153
It is replaced after the completion of golden pipe fitting cutting, the equal fixing sleeve in surface of 153 side of the first pinch wheels 152 and the second pinch wheels is connected to friction pad
157, friction pad 157 is set, and when pushing hardware tube material to side, pinch wheels can play position-limiting action, and rub
Pad 157 can increase the frictional force with tube material, prevent from skidding and the bad phenomenon of tube material clamping effect occur, place
Babinet 1 is separated into mutually independent upper space 16 and lower layer space 17 by frame 13, and upper space 16 is used for cutting pipes, lower layer
Space 17 has been respectively articulated with the first door-plate 18 and the second door-plate 19, the first door-plate 18 on babinet 1 for storing dust by hinge
Upper space 16 and lower layer space 17 are corresponded to respectively with the second door-plate 19.
In conclusion this is used for the cutter device of hardware pipe fitting, the rotation of first motor 5 can drive 122 turns of chopping disk
It is dynamic, and cut on metal tube, while keeping uniform cutting speed and stablizing cutting track function, it is ensured that the essence of slot
Degree and quality improve finished product rate, and avoid the mode manually cut, effective to ensure the accurate of depth of cut
Degree, it is ensured that an excision forming rate, first the 124, second rotating bar 125 of rotation of setting and third rotating bar 126, and in three electricity
Under the telescopic effect of dynamic push rod, realize that the cutting diameter of chopping disk in vertical direction is adjusted, structure stable connection is less prone to
Loose phenomenon, to the adjustment for embodying three rotating bars and connect with three electric pushrods realization cutting position in the present embodiment, and it is more
Be connected as between a rotating bar it is detachable, in other embodiment also can according to the hardware plumbing dimensions of required cutting carry out spirit
Setting living.
Also, clamping support 151, the first pinch wheels 152 and the second pinch wheels 153 are set, since the first pinch wheels 152 pass through
4 position of support plate is fixed, and rotation rotating handle 156 drives swingle 155 to rotate, and the first pinch wheels are driven by swingle 155
Movement in 152 progress horizontal directions carries out the restriction of position according to the size of tube material, so as to pass through the first folder
Bearing up pulley 5 and the second pinch wheels 153 are clamped tube material in the horizontal direction, and friction pad 157 is arranged, by hardware pipe fitting
When material is pushed to side, pinch wheels can play position-limiting action, and friction pad 157 can increase the friction with tube material
Power prevents from skidding and the bad phenomenon of tube material clamping effect occur, and water inlet pipe 22 is communicated with external source, passes through branch pipe 23
It will complete the hardware pipe fitting after cutting and carry out cleaning dedusting.
It should be noted that herein, such as the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of cutter device for hardware pipe fitting, including babinet (1), it is characterised in that：The left side of the babinet (1) is arranged
There are feed well (2), right side to be provided with blow tank (3), link (4), the company are installed at the top of the babinet (1)
It connects and is installed with first motor (5) on the left of frame (4) inner wall, the output end of the first motor (5) is fixed by shaft coupling
Threaded rod (6) is installed, movable sleeve is connected to sleeve (10) on the threaded rod (6), and the front of the sleeve (10) is fixedly mounted
There are mobile bar (9), the sleeve (10) to be threadedly coupled with threaded rod (6)；
The back side of the mobile bar (9) is installed with fixed block (11), and cutter device is provided on the fixed block (11)
(12), the left and right sides of babinet (1) inner wall is fixedly connected by rack (13), is offered on the rack (13) a plurality of
Dust through-hole (14), is provided with pipe fixing device (15) on the rack (13), and the rack (13) is by babinet (1) point
It is divided into mutually independent upper space (16) and lower layer space (17), first has been respectively articulated with by hinge on the babinet (1)
Door-plate (18) and the second door-plate (19), first door-plate (18) and the second door-plate (19) correspond to respectively upper space (16) and under
Sheaf space (17).
2. a kind of cutter device for hardware pipe fitting according to claim 1, it is characterised in that：The cutter device
(12) include the second motor (121), chopping disk (122), link block (123), the link block (123) and fixed block (11) are fixed
The side of connection, the link block (123) is hinged with the first rotating bar (124) by shaft, and first rotating bar (124) is remote
Side from link block (123) is hinged with the second rotating bar (125) by shaft, and second rotating bar (125) is far from first
The side of rotating bar (124) is hinged with third rotating bar (126), and the third rotating bar (126) is far from the second rotating bar (125)
Side be connected with the second motor (121), the output end of the first motor (5) is connect by shaft coupling with chopping disk (122).
3. a kind of cutter device for hardware pipe fitting according to claim 2, it is characterised in that：The link block
(123) and the side of the first rotating bar (124) is hinged with the first electric pushrod (127), first rotation by shaft respectively
The side of bar (124) and the second rotating bar (125) is hinged with the second electric pushrod (128) by shaft respectively, described second turn
The side of lever (125) and third rotating bar (126) is hinged with third electric pushrod (129) by shaft respectively.
4. a kind of cutter device for hardware pipe fitting according to claim 1, it is characterised in that：The pipe fitting fixes dress
It includes clamping support (151), the first pinch wheels (152), the second pinch wheels (153), third motor (158), the clamping to set (15)
Frame (151) is fixed on rack (13), and the side of the clamping support (151), which is inlayed, is provided with bearing holder (housing, cover) (154), the bearing
The internal activity of set (154) is plugged with swingle (155), and it is solid that the swingle (155) is located at one end on the outside of clamping support (151)
Dingan County is equipped with rotating handle (156), and the side of the swingle (155) is connect by shaft with the first pinch wheels (152), described
Second pinch wheels (153) are fixedly connected by supporting block with the side of clamping support (151) inner wall, the third motor (158)
Output end is connect by shaft coupling with the bottom of the second pinch wheels (153).
5. a kind of cutter device for hardware pipe fitting according to claim 4, it is characterised in that：First pinch wheels
(152) and the equal fixing sleeve in surface of the second pinch wheels (153) side is connected to friction pad (157).
6. a kind of cutter device for hardware pipe fitting according to claim 1, it is characterised in that：The link (4)
Sliding slot (7) is offered at the top of inner wall, the sliding slot (7) is internally provided with sliding block (8), and the sliding block (8) is sliding with sliding slot (7)
It is dynamic to connect, it is fixedly connected at the top of the sliding block (8) and mobile bar (9).
7. a kind of cutter device for hardware pipe fitting according to claim 1, it is characterised in that：The babinet (1)
Bottom is installed with universal wheel (20) by shaft, and arm-rest frame (21) is installed on the left of the babinet (1).
8. a kind of cutter device for hardware pipe fitting according to claim 1, it is characterised in that：The babinet (1)
Right side is provided with water inlet pipe (22), and the bottom of the water inlet pipe (22) is mutually connected with multiple branch pipes (23), and the branch pipe (23) is located at
The upside of blow tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616884.1A CN108405960A (en) | 2018-06-15 | 2018-06-15 | A kind of cutter device for hardware pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616884.1A CN108405960A (en) | 2018-06-15 | 2018-06-15 | A kind of cutter device for hardware pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108405960A true CN108405960A (en) | 2018-08-17 |
Family
ID=63141760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810616884.1A Withdrawn CN108405960A (en) | 2018-06-15 | 2018-06-15 | A kind of cutter device for hardware pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108405960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015766A (en) * | 2019-12-27 | 2020-04-17 | 广东双兴新材料集团有限公司 | Drinking water pipe production equipment and technological method thereof |
-
2018
- 2018-06-15 CN CN201810616884.1A patent/CN108405960A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015766A (en) * | 2019-12-27 | 2020-04-17 | 广东双兴新材料集团有限公司 | Drinking water pipe production equipment and technological method thereof |
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| PB01 | Publication | ||
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Application publication date: 20180817 |