CN107803551B - A kind of cutter device for rail manufacture - Google Patents
A kind of cutter device for rail manufacture Download PDFInfo
- Publication number
- CN107803551B CN107803551B CN201711088889.3A CN201711088889A CN107803551B CN 107803551 B CN107803551 B CN 107803551B CN 201711088889 A CN201711088889 A CN 201711088889A CN 107803551 B CN107803551 B CN 107803551B
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- fixedly connected
- plate
- rail
- mounting plate
- guide
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetal Cutting Devices (AREA)
Abstract
The invention discloses a kind of cutter devices for rail manufacture, including workbench, the lower surface of the workbench is fixedly installed with supporting leg, the left and right sides of the worktable upper surface offers mounting groove, the bottom end of two electric pushrods one is respectively and fixedly installed to the inside of two mounting grooves, the output end of the electric pushrod one is fixedly connected on the lower surface of guide pad, pilot hole is offered on the guide pad, and the both ends of pilot hole are located at the left and right sides of guide pad.This is used for the cutter device of rail manufacture, the lower surface of guide pad is fixedly connected on by the output end of electric pushrod one, pilot hole is offered on guide pad, the both ends of rail are inserted in two pilot holes, rail can be lifted using two electric pushrods one and disengage it from belt and cut by cutting blade, the wobble effects of belt are avoided to solve the problems, such as to propose in background technique to the precision of cutting.
Description
Technical field
The present invention relates to railway transportation manufacturing technology field, specially a kind of cutter device for rail manufacture.
Background technique
The processing of rail also belongs to one kind of railway transportation manufacture, railroad track, abbreviation rail, rail, track etc..For
On railway, and with railway switch cooperation, enable train without turn to just can walk.Track is usually made of two parallel rail.
Rail is frequently necessary to carry out cutting processing in process, and cutting processing is carried out using cutter device, existing
Rail cutter device carries out feeding to rail usually using conveyer belt, and the operation of cutting also carries out on a moving belt, rail processing
Stabilization in the process cannot ensure, influence the cutting accuracy of rail.
Summary of the invention
(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 rail manufacture, background is solved
The problem of being proposed in technology.
(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 rail manufacture
Device, including workbench, the lower surface of the workbench are fixedly installed with supporting leg, and the left and right sides of the worktable upper surface is equal
Mounting groove is offered, the bottom end of two electric pushrods one is respectively and fixedly installed to the inside of two mounting grooves, described electronic
The output end of push rod one is fixedly connected on the lower surface of guide pad, and pilot hole, and the two of pilot hole are offered on the guide pad
End is located at the left and right sides of guide pad, the upper surface of the workbench and also distinguishes between two electric pushrods one
It is fixedly connected with mounting plate one and mounting plate two, the mounting plate two is located at the rear side of mounting plate one, the back of the mounting plate one
Drive roll, the back side of the mounting plate one and mounting plate are connected with by first bearing between face and the front of mounting plate two
Driven voller is also connected with by second bearing between two front, the drive roll is located at the left side of driven voller, the peace
The position of the corresponding first bearing in one front of loading board is fixedly installed with driving motor by mounting rod, and one end of the drive roll extends
It first bearing and is fixedly connected out by shaft coupling with the output end of driving motor, the drive roll and driven voller pass through belt biography
Dynamic connection.
The upper surface of the workbench and being located between two electric pushrods one has also been respectively fixedly connected with vertical plate one and vertical
Plate two, the vertical plate one and vertical plate two are located at front side and the rear side of belt, and the upper surface of the vertical plate one and vertical plate two is equal
It is fixedly connected on the lower surface of top plate, the left and right ends of the top plate lower surface are fixedly connected to loop bar, the bottom of the loop bar
End offers spring groove, and one end of compressed spring is fixedly connected on the bottom wall of the spring groove, the other end of the compressed spring
It is fixedly connected on the top for the motion bar being plugged in spring groove, and the bottom end of motion bar is extended spring groove and is fixedly connected on
The upper surface of pressing plate, the lower surface of the top plate and is fixedly installed with electric pushrod two between two loop bars, described electronic
The output end of push rod two is fixedly connected on the upper surface of cutting motor, and the output end of the cutting motor is fixedly installed with cutter
Piece, the back side of the vertical plate one and the positive corresponding position of vertical plate two offer guide groove, the inside of two guide grooves
Guide runner is slidably connected, the opposite one side of two guide runners is solid with the front and back of cutting motor respectively
Fixed connection.
Preferably, the pilot hole is in I-shaped, and two guide pads are referring to symmetrical with the central axes of workbench.
Preferably, the vertical plate one and vertical plate two are referring to symmetrical, the following table of the top plate with the line of two guide pads
Face and the upper surface of workbench are parallel to each other.
Preferably, the lower surface bonds of the pressing plate have neonychium, and the neonychium is rubber pad, the guide runner position
In the top of guide groove, the bottom end of the cutting blade is slightly above the lower surface of pressing plate.
Preferably, limiting slot is offered on the inner wall of the spring groove, the internal slide of the limiting slot is connected with limit
Block, the limited block are fixedly connected far from one end of limit groove bottom wall with the top of motion bar side, and the limited block is located at limit
The bottom end of position slot.
Preferably, the upper surface of the bottom wall of the pilot hole and belt is located at same level height, one He of mounting plate
Mounting plate two is referring to symmetrical with the line of two guide pads.
(3) beneficial effect
The present invention provides it is a kind of for rail manufacture cutter device, have it is following the utility model has the advantages that
(1), the cutter device for being used for rail manufacture, is fixedly connected on guide pad by the output end of electric pushrod one
Lower surface offers pilot hole on guide pad, and the both ends of rail are inserted in two pilot holes, can using two electric pushrods one
Rail is lifted and disengages it from belt and is cut by cutting blade, the wobble effects of belt is avoided to solve back to the precision of cutting
The problem of being proposed in scape technology.
(2), the cutter device for being used for rail manufacture, is fixedly connected to set by the left and right ends of top plate lower surface
Bar, the other end of compressed spring are fixedly connected on the top for the motion bar being plugged in spring groove, and the bottom end of motion bar is extended
Spring groove and the upper surface for being fixedly connected on pressing plate, after electric pushrod one lifts rail, rail is contacted with pressing plate, can utilize pressure
The elastic force of contracting spring pushes down rail, positions to rail, and rail is avoided to shake, and helps to improve cutting accuracy.
Detailed description of the invention
Fig. 1 is structure of the invention front view；
Fig. 2 is structure of the invention top view；
Fig. 3 is Section A-A figure in Fig. 1 of the present invention；
Fig. 4 is section B-B figure in Fig. 2 of the present invention；
Fig. 5 is the enlarged drawing in Fig. 4 of the present invention at C；
Fig. 6 is the structural schematic diagram of guide runner of the present invention and guide groove；
Fig. 7 is the structural schematic diagram of pilot hole of the present invention.
In figure: 1 workbench, 2 supporting legs, 3 mounting grooves, 4 electric pushrods one, 5 guide pads, 6 pilot holes, 7 mounting plates one, 8 peace
Loading board two, 9 first bearings, 10 drive rolls, 11 second bearings, 12 driven vollers, 13 mounting rods, 14 driving motors, 15 shaft couplings, 16
Belt, 17 vertical plates one, 18 vertical plates two, 19 top plates, 20 loop bars, 21 spring grooves, 22 compressed springs, 23 motion bars, 24 pressing plates, 25 electricity
Dynamic push rod two, 26 cutting motors, 27 cutting blades, 28 guide grooves, 29 guide runners, 30 neonychiums, 31 limiting slots, 32 limits
Block.
Specific embodiment
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 description, 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.
Fig. 1-7 is please referred to, the present invention provides a kind of technical solution: a kind of cutter device for rail manufacture, including work
Make platform 1, the lower surface of workbench 1 is fixedly installed with supporting leg 2, and the left and right sides of 1 upper surface of workbench offers mounting groove 3,
The bottom end of two electric pushrods 1 is respectively and fixedly installed to the inside of two mounting grooves 3, the output end of electric pushrod 1
It is fixedly connected on the lower surface of guide pad 5, pilot hole 6 is offered on guide pad 5, and the both ends of pilot hole 6 are located at guiding
The left and right sides of block 5, for pilot hole 6 in I-shaped, two guide pads 5 are referring to symmetrical, workbench with the central axes of workbench 1
1 upper surface and mounting plate 1 and mounting plate 28, pilot hole have also been respectively fixedly connected between two electric pushrods 1
6 bottom wall and the upper surface of belt 16 are located at same level height, and mounting plate 1 and mounting plate 28 are with the company of two guide pads 5
Line is referring to symmetrically, and mounting plate 28 is located at the rear side of mounting plate 1, the front at the back side and mounting plate 28 of mounting plate 1
Between drive roll 10 is connected with by first bearing 9, also pass through between the back side of mounting plate 1 and the front of mounting plate 28
Second bearing 11 is connected with driven voller 12, and drive roll 10 is located at the left side of driven voller 12, one 7 front corresponding first of mounting plate
The position of bearing 9 is fixedly installed with driving motor 14 by mounting rod 13, drives drive roll 10 to rotate using driving motor 14, makes
The rotation of belt 16 achievees the purpose that conveying rail, and one end of drive roll 10 extends first bearing 9 and by shaft coupling 15 and drive
The output end of dynamic motor 14 is fixedly connected, and drive roll 10 is sequentially connected with driven voller 12 by belt 16.
The upper surface of workbench 1 and being located between two electric pushrods 1 has also been respectively fixedly connected with vertical plate 1 and vertical
Plate 2 18, vertical plate 1 and vertical plate 2 18 are located at front side and the rear side of belt 16, the upper table of vertical plate 1 and vertical plate 2 18
Face is fixedly connected in the lower surface of top plate 19, vertical plate 1 and vertical plate 2 18 with the line of two guide pads 5 as referring to symmetrical,
The lower surface of top plate 19 and the upper surface of workbench 1 are parallel to each other, and the left and right ends of 19 lower surface of top plate are fixedly connected to set
Bar 20, the bottom end of loop bar 20 offer spring groove 21, and one end of compressed spring 22 is fixedly connected on the bottom wall of the spring groove 21,
The other end of compressed spring 22 is fixedly connected on the top for the motion bar 23 being plugged in spring groove 21, on the inner wall of spring groove 21
Offer limiting slot 31, the internal slide of limiting slot 31 is connected with limited block 32, limited block 32 far from 31 bottom wall of limiting slot one
End is fixedly connected with the top of 23 side of motion bar, and limited block 32 is located at the bottom end of limiting slot 31, and the bottom end of motion bar 23 is prolonged
It stretches out spring groove 21 and is fixedly connected on the upper surface of pressing plate 24, after electric pushrod 1 lifts rail, rail connects with pressing plate 24
Touching can push down rail using the elastic force of compressed spring 22, position to rail, rail is avoided to shake, help to improve and cut
It cuts precision, the lower surface of top plate 19 and is fixedly installed with electric pushrod 2 25, electric pushrod 2 25 between two loop bars 20
Output end be fixedly connected on the upper surface of cutting motor 26, the output end of cutting motor 26 is fixedly installed with cutting blade 27,
The back side of vertical plate 1 and the positive corresponding position of vertical plate 2 18 offer guide groove 28, and the inside of two guide grooves 28 is sliding
Dynamic to be connected with guide runner 29, the lower surface bonds of pressing plate 24 have a neonychium 30, and neonychium 30 is rubber pad, and guide runner 29
In the top of guide groove 28, the bottom end of cutting blade 27 is slightly above the lower surface of pressing plate 24, two guide runners 29 it is opposite one
Side is fixedly connected with the front and back of cutting motor 26 respectively, and guide runner 29 can be with being slidably connected for guide groove 28
The motion guide of cutting motor 26 avoids the direction of motion of cutting motor 26 from deviating.
It is placed on belt 16 in use, rail is sequentially passed through two pilot holes 6 by user, utilizes 14 band of driving motor
The dynamic rotation of belt 16 conveys rail, after choosing cut point, lifts rail using two electric pushrods 1, makes rail
It is detached from belt 16, rail upper surface is contacted with the neonychium 30 of 24 lower surface of pressing plate, and compressed spring 22 is compressed, and rail is determined
Position pushes cutting motor 26 to move downward using electric pushrod 2 25, and cutting motor 26 drives the rotation of cutting blade 27 to rail
It carries out.
In conclusion this is used for the cutter device of rail manufacture, it is fixedly connected on and is led by the output end of electric pushrod 1
To the lower surface of block 5, pilot hole 6 is offered on guide pad 5, the both ends of rail are inserted in two pilot holes 6, electronic using two
Push rod 1, which can lift rail, to be disengaged it from belt 16 and is cut by cutting blade 27, avoids the wobble effects of belt 16 to cutting
The precision cut solves the problems, such as to propose in background technique.
This is used for the cutter device of rail manufacture, is fixedly connected to loop bar by the left and right ends of 19 lower surface of top plate
20, the other end of compressed spring 22 is fixedly connected on the top for the motion bar 23 being plugged in spring groove 21, the bottom of motion bar 23
End extends spring groove 21 and is fixedly connected on the upper surface of pressing plate 24, after electric pushrod 1 lifts rail, rail and pressing plate 24
Contact can push down rail using the elastic force of compressed spring 22, position to rail, rail is avoided to shake, help to improve
Cutting accuracy.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, 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 including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.The electric elements occurred in this article with extraneous main controller and
The electrical connection of 220V alternating current, and main controller can play the conventionally known equipment of control for computer etc..
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. the lower surface of a kind of cutter device for rail manufacture, including workbench (1), the workbench (1) is fixedly mounted
There are supporting leg (2), it is characterised in that: the left and right sides of workbench (1) upper surface offers mounting groove (3), and two electronic
The bottom end of push rod one (4) is respectively and fixedly installed to the inside of two mounting grooves (3), the output of the electric pushrod one (4)
End is fixedly connected on the lower surface of guide pad (5), offers pilot hole (6) on the guide pad (5), and the two of pilot hole (6)
End is located at the left and right sides of guide pad (5), the upper surface of the workbench (1) and is located at two electric pushrods one (4)
Between be also respectively fixedly connected with mounting plate one (7) and mounting plate two (8), the mounting plate two (8) is located at mounting plate one (7)
Rear side is connected with master by first bearing (9) between the back side of the mounting plate one (7) and the front of mounting plate two (8)
Dynamic roller (10) are also connected by second bearing (11) activity between the back side of the mounting plate one (7) and the front of mounting plate two (8)
It is connected to driven voller (12), the drive roll (10) is located at the left side of driven voller (12), mounting plate one (7) front corresponding first
The position of bearing (9) is fixedly installed with driving motor (14) by mounting rod (13), and one end of the drive roll (10) is extended
First bearing (9) is simultaneously fixedly connected by shaft coupling (15) with the output end of driving motor (14), the drive roll (10) with from
Dynamic roller (12) are sequentially connected by belt (16)；
The upper surface of the workbench (1) and vertical plate one has also been respectively fixedly connected between two electric pushrods one (4)
(17) and vertical plate two (18), the vertical plate one (17) and vertical plate two (18) are located at front side and the rear side of belt (16), described
The upper surface of vertical plate one (17) and vertical plate two (18) is fixedly connected with the lower surface in top plate (19), top plate (19) lower surface
Left and right ends be fixedly connected to loop bar (20), the bottom end of the loop bar (20) offers spring groove (21), compressed spring
(22) one end is fixedly connected on the bottom wall of the spring groove (21), and the other end of the compressed spring (22) is fixedly connected on slotting
The top of the motion bar (23) in spring groove (21) is connect, and spring groove (21) and fixed company are extended in the bottom end of motion bar (23)
Connect the upper surface in pressing plate (24), the lower surface of the top plate (19) and being located between two loop bars (20) is fixedly installed with electronic
The output end of push rod two (25), the electric pushrod two (25) is fixedly connected on the upper surface of cutting motor (26), the cutting
The output end of motor (26) is fixedly installed with cutting blade (27), and the back side of the vertical plate one (17) and vertical plate two (18) are positive
Corresponding position offers guide groove (28), and the inside of two guide grooves (28) slidably connects guide runner (29),
Two opposite one sides of the guide runner (29) are fixedly connected with the front and back of cutting motor (26) respectively.
2. a kind of cutter device for rail manufacture according to claim 1, it is characterised in that: the pilot hole (6)
In I-shaped, two guide pads (5) are referring to symmetrical with the central axes of workbench (1).
3. a kind of cutter device for rail manufacture according to claim 1, it is characterised in that: the vertical plate one (17)
With vertical plate two (18) with the line of two guide pads (5) for referring to symmetrical, lower surface and workbench (1) of the top plate (19)
Upper surface is parallel to each other.
4. a kind of cutter device for rail manufacture according to claim 1, it is characterised in that: the pressing plate (24)
Lower surface bonds have neonychium (30), and the neonychium (30) is rubber pad, and the guide runner (29) is located at guide groove (28)
Top, the bottom end of the cutting blade (27) is slightly above the lower surface of pressing plate (24).
5. a kind of cutter device for rail manufacture according to claim 1, it is characterised in that: the spring groove (21)
Inner wall on offer limiting slot (31), the internal slide of the limiting slot (31) is connected with limited block (32), the limited block
(32) one end far from limiting slot (31) bottom wall is fixedly connected with the top of motion bar (23) side, and the limited block (32) is located at
The bottom end of limiting slot (31).
6. a kind of cutter device for rail manufacture according to claim 1, it is characterised in that: the pilot hole (6)
Bottom wall and the upper surface of belt (16) be located at same level height, the mounting plate one (7) and mounting plate two (8) are led with two
It is referring to symmetrical to the line of block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711088889.3A CN107803551B (en) | 2017-11-08 | 2017-11-08 | A kind of cutter device for rail manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711088889.3A CN107803551B (en) | 2017-11-08 | 2017-11-08 | A kind of cutter device for rail manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107803551A CN107803551A (en) | 2018-03-16 |
| CN107803551B true CN107803551B (en) | 2019-05-10 |
Family
ID=61591825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711088889.3A Active CN107803551B (en) | 2017-11-08 | 2017-11-08 | A kind of cutter device for rail manufacture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107803551B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047902B (en) * | 2018-10-17 | 2020-10-20 | 安徽坤源铝业有限公司 | Full-automatic numerical control aluminum product system of processing |
| CN109590534B (en) * | 2018-12-14 | 2020-07-31 | 泰州大自然德森堡木业有限公司 | Plate cutting device for door processing based on pre-compression technology |
| CN109795039A (en) * | 2019-03-21 | 2019-05-24 | 董佑军 | A kind of efficient stabilization building board damping cutter device |
| CN112828378B (en) * | 2021-02-25 | 2022-11-22 | 安徽鑫晟机械工业科技有限公司 | Metal pipe equidistant cutting equipment for high-end equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000135621A (en) * | 1998-10-30 | 2000-05-16 | Ono Roll Kk | Slitter machine |
| US20050034783A1 (en) * | 2003-08-11 | 2005-02-17 | Laird R. Wayne | Portable, dual-station, expandable carpenter's work bench |
| CN203526689U (en) * | 2013-11-18 | 2014-04-09 | 贵溪红石金属有限公司 | Brass rod shearing device |
| CN107030330A (en) * | 2017-06-13 | 2017-08-11 | 刘冬明 | A kind of stable cutter device of building iron |
| CN107262803A (en) * | 2017-08-03 | 2017-10-20 | 合肥新士鑫机械科技有限公司 | Bar cutter device is used in a kind of screw mandrel manufacture |
| CN107214374A (en) * | 2017-08-03 | 2017-09-29 | 金陈敏 | A kind of sheet cutting machine that can easily be accommodated |
-
2017
- 2017-11-08 CN CN201711088889.3A patent/CN107803551B/en active Active
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| CN107803551A (en) | 2018-03-16 |
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Effective date of registration: 20190412 Address after: 235100 No. 43, Zhong Jia Nan lane, new town, Suixi, Huaibei, Anhui. Applicant after: Zhu Dezhong Address before: 235000 No. 11, Yifeng Road Industrial Park, Xiangshan District, Huaibei, Anhui Applicant before: Li Guanglian |
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Effective date of registration: 20211123 Address after: 226600 group 9, Minqiao village, Chengdong Town, Hai'an County, Nantong City, Jiangsu Province Patentee after: NANTONG ZHI HANG MECHANICAL AND ELECTRICAL TECHNOLOGY Co.,Ltd. Address before: 235100 No. 43, Zhong Jia Nan lane, new town, Suixi, Huaibei, Anhui. Patentee before: Zhu Dezhong |
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