CN107262569B - A kind of machining multitube bending machine - Google Patents
A kind of machining multitube bending machine Download PDFInfo
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- CN107262569B CN107262569B CN201710558844.1A CN201710558844A CN107262569B CN 107262569 B CN107262569 B CN 107262569B CN 201710558844 A CN201710558844 A CN 201710558844A CN 107262569 B CN107262569 B CN 107262569B
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- fixed
- machining
- multitube
- sliding
- bending machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to a kind of machining multitube bending machines, including the first sliding rail, fixed case, processing case and fixing mould, rack gear is fixed on first sliding rail, the fixed case is connected with each other by fixed column and the first sliding shoe, the hydraulic cylinder and tubing base plate are connected with each other, the top of the fixed case is equipped with rotation axis, the processing case and the first sliding rail are connected with each other, the second sliding shoe and connecting column are connected with each other, on processing case, the fixing mould is fixed on processing case for the sliding strip-shaped hole setting.Machining multitube bending machine, it is lower that the cost maintained with ordinary maintenance is installed, it operates more convenient, bending operation can be carried out simultaneously to more root canal materials, carry out the offer of power to the process of bending using hydraulic cylinder, bending effect is more preferable, use the mould head of moveable position, cooperate the use of fixing mould, it is more convenient with taking-up tubing to place, and greatly improves the whole efficiency of tubing bending.
Description
Technical field
The present invention relates to machining equipment technical field, specially a kind of machining multitube bending machine.
Background technique
With the fast development in terms of the industrialized rapid advances in China and machining equipment, various Building woods
Material is used in modernization construction, and tubing is widely used the various aspects in building field as a kind of construction material, but
The tubing of intrinsic straight barrel type is unable to satisfy the needs of existing market and building field, and manpower bending takes time and effort, and efficiency ten
Dividing lowly, the tubing of artificial bending, easily there is a phenomenon where damaged and deformation, has seriously affected the normal use of tubing in pipe bent position,
Tube bending machine is created out as a kind of equipment for specially carrying out Bending Processing to tubing, instead of traditional artificial folding
Curved, the more traditional mode of efficiency is quick.
And existing tube bending machine structure is excessively complicated, has very high educational level requirement for the personnel of operation, and
Several personnel are needed to be used in conjunction with each other；The replacement of bending machine inner body is inconvenient, installation, replacement and the cost mistake repaired
It is high；When to tubing bending, the fixation of tubing is more loose, is easy to bring manufacturing tolerance；It is short of power, rolls over to tubing bending
Curved effect is poor；After the completion of tubing bending, it is very complicated to take out tubing process；The process for placing tubing is very troublesome, influences to add
Work efficiency rate；It is single to the bending mode of tubing, it needs to repeat to place tubing and carries out bending, consuming time.
Summary of the invention
The purpose of the present invention is to provide a kind of machining multitube bending machines, to solve to propose in above-mentioned background technique
Tube bending machine structure is excessively complicated, has very high educational level requirement for the personnel of operation, and several personnel is needed to carry out
It is used in conjunction with each other；The replacement of bending machine inner body is inconvenient, and the cost of installation, replacement and maintenance is excessively high；When to tubing bending, pipe
The fixation of material is more loose, is easy to bring manufacturing tolerance；It is short of power to tubing bending, bending effect is poor；Tubing folding
After the completion of curved, it is very complicated to take out tubing process；The process for placing tubing is very troublesome, influences processing efficiency；To the folding of tubing
Curved mode is single, needs to repeat to place tubing and carries out bending, consuming time.
To achieve the above object, the present invention provides the following technical solutions：A kind of machining multitube bending machine, including the
One sliding rail, fixed case process case and fixing mould, are fixed with rack gear on first sliding rail, and are provided with above rack gear double
Spindle motor, the dual-axle motor and first gear are connected with each other, and dual-axle motor is connected with each other by mullion and the first sliding shoe,
The fixed case is connected with each other by fixed column and the first sliding shoe, and hydraulic cylinder is fixed on the inside of fixed case, described hydraulic
Cylinder and tubing base plate are connected with each other, and fixed aperture is provided on tubing base plate, and the top of the fixed case, which is equipped with, to be turned
Moving axis, and rotation axis and fixing sleeve are connected with each other, the fixing sleeve is fixedly connected with fixes sleeve, and is installed between fixes sleeve
There is telescopic rod, the processing case and the first sliding rail are connected with each other, and are processed on case and be fixed with tubing securing plate, and the tubing is reinforced
It is provided with reinforcing through-hole on plate, the second sliding rail is installed on the inside of the processing case, and be fixed on the inside of the second sliding rail two-way
Motor, the either-rotation motor is connected with each other by connecting shaft and bearing, and second gear is equipped in connecting shaft, second tooth
Rotating wheel is provided with above wheel, and rotating wheel is fixed on the second sliding shoe, the second sliding shoe is mutually interconnected with connecting column
It connects, and connecting column passes through sliding strip-shaped hole and mould head is connected with each other, the sliding strip-shaped hole setting is described solid on processing case
Fixed mold is fixed on processing case.
Preferably, the first gear is to engage connection, and first gear is provided with 2 on dual-axle motor with rack gear.
Preferably, first sliding shoe is when being moved to the left maximum magnitude on the first sliding rail, between fixes sleeve
Distance reaches most short.
Preferably, rotation axis is mounted on the fixed case and the first sliding rail.
Preferably, the fixed aperture and reinforcing through-hole are provided with 2, and the aperture of fixed aperture and reinforcing through-hole is big
It is small identical with level height.
Preferably, second sliding rail and either-rotation motor are mounted on 4 on the inside of processing case.
Preferably, the second gear is to engage connection with rotating wheel, and rotating wheel is respectively provided on each the second sliding shoe
There are 2 groups, every group there are 3.
Preferably, the second sliding shoe is when sliding into maximum magnitude on the second sliding rail, mould head and fixing mould phase
Fitting.
Preferably, the surface of the mould head and fixing mould is convex structure, and mould head is about processing case
Center line is symmetrically installed with 4.
Preferably, the fixing mould is in " U " font structure.
Compared with prior art, the beneficial effects of the invention are as follows：Machining multitube bending machine, uses dual-axle motor
Horizontally slipping for hydraulic cylinder is driven with first gear, so that tubing is more easily placed in the bending machine, uses fixation
Sleeve and telescopic rod cooperate the effect of hydraulic cylinder to slide, and can also fix telescopic rod, carry out come the position to hydraulic cylinder into one
The fixation of step uses 2 rotation axis, it is ensured that fixes sleeve surrounds the normal rotation of rotation axis, using fixed aperture to tubing into
Row is fixed, and cooperation is reinforced through-hole and can be placed on tubing is more stable on the bending machine, is led to using two fixed apertures and reinforcing
Hole, can place simultaneously processing two root canal materials, processing efficiency is higher, using the second sliding rail and the second sliding shoe come by mould head along
The convenient movement of strip-shaped hole is slided, provides power source using either-rotation motor come the sliding for mould head, sliding effect is more preferable, in tubing
More easily tubing can be taken out after bending, the second sliding shoe on the second sliding rail when moving, in mould head and fixing mould
Convex structure can be combined into a full circle, and the fixing mould of U-shaped can preferably process tubing, right before tubular object extruding
The process that tubing takes out after the placement and tubing bending of tubing is easier, uses hydraulic cylinder as the power of tubing bending process
Source, bending effect is more preferable, more efficient, operates more convenient.
Detailed description of the invention
Fig. 1 is the positive structure schematic that multitube bending machine is used in a kind of machining of the present invention；
Fig. 2 is the overlooking structure diagram that multitube bending machine is used in a kind of machining of the present invention；
Fig. 3 is the first skid rail structure diagram that multitube bending machine is used in a kind of machining of the present invention；
Fig. 4 is the fixing mould structural schematic diagram that multitube bending machine is used in a kind of machining of the present invention；
Fig. 5 is the second gear structural schematic diagram that multitube bending machine is used in a kind of machining of the present invention；
Fig. 6 is the rotation shaft structure schematic diagram that multitube bending machine is used in a kind of machining of the present invention；
In figure：1, the first sliding rail, 2, rack gear, 3, dual-axle motor, 4, first gear, 5, mullion, the 6, first sliding shoe, 7, solid
Fixed column, 8, fixed case, 9, hydraulic cylinder, 10, tubing base plate, 11, fixation aperture, 12, rotation axis, 13, fixing sleeve, 14, fixation
Sleeve, 15, telescopic rod, 16, processing case, 17, tubing securing plate, 18, reinforcing through-hole, the 19, second sliding rail, 20, either-rotation motor,
21, connecting shaft, 22, bearing, 23, second gear, 24, rotating wheel, 25, the second sliding shoe, 26, connecting column, 27, sliding bar shaped
Hole, 28, mould head, 29, fixing mould.
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. 1-6 is please referred to, the present invention provides a kind of technical solution：A kind of machining multitube bending machine, including first
Sliding rail 1, rack gear 2, dual-axle motor 3, first gear 4, mullion 5, the first sliding shoe 6, fixed column 7, fixed case 8, hydraulic cylinder 9, pipe
Material base plate 10, fixed aperture 11, rotation axis 12, fixing sleeve 13, fixes sleeve 14, telescopic rod 15, processing case 16, tubing are reinforced
Plate 17 reinforces through-hole 18, the second sliding rail 19, either-rotation motor 20, connecting shaft 21, bearing 22, second gear 23, rotating wheel 24, the
Two sliding shoes 25, connecting column 26 slide strip-shaped hole 27, mould head 28 and fixing mould 29, are fixed with rack gear 2 on the first sliding rail 1,
And the top of rack gear 2 is provided with dual-axle motor 3, dual-axle motor 3 and first gear 4 are connected with each other, and first gear 4 is with rack gear 2
Engagement connection, and first gear 4 is provided with 2 on dual-axle motor 3, uses 4 band hydrodynamic pressure of dual-axle motor 3 and first gear
Cylinder 9 horizontally slips, to tubing is more easily placed in the bending machine, and dual-axle motor 3 is sliding by mullion 5 and first
Motion block 6 is connected with each other, and fixed case 8 is connected with each other by fixed column 7 and the first sliding shoe 6, and the inside of fixed case 8 is fixed with liquid
Cylinder pressure 9, hydraulic cylinder 9 and tubing base plate 10 are connected with each other, and fixed aperture 11, fixed case 8 are provided on tubing base plate 10
Top rotation axis 12 is installed, the first sliding shoe 6 is when being moved to the left maximum magnitude on the first sliding rail 1, fixes sleeve 14
The distance between reach most short, horizontally slipping for hydraulic cylinder 9 is cooperated using fixes sleeve 14 and telescopic rod 15, can also will be stretched
Bar 15 is fixed, further to be fixed to the position of hydraulic cylinder 9, uses 2 rotation axis, it is ensured that fixes sleeve 14, which surrounds, to be turned
The normal rotation of moving axis 12, and rotation axis 12 and fixing sleeve 13 are connected with each other, fixing sleeve 13 is fixedly connected with fixes sleeve 14, and
Telescopic rod 15 is installed between fixes sleeve 14, case 16 is processed and the first sliding rail 1 is connected with each other, and process on case 16 and be fixed with pipe
Material securing plate 17 is provided in tubing securing plate 17 and reinforces through-hole 18, fixed aperture 11 and reinforces through-hole 18 and being provided with 2,
And fixed aperture 11 and the pore size for reinforcing through-hole 18 are identical with level height, are consolidated using fixed aperture 11 to tubing
Fixed, cooperation is reinforced through-hole 18 and can be placed on tubing is more stable on the bending machine, using two fixed apertures and reinforcing through-hole,
Two root canal materials of processing can be placed simultaneously, and processing efficiency is higher, and the inside of processing case 16 is equipped with the second sliding rail 19, and the second sliding rail
19 inside is fixed with either-rotation motor 20, the second sliding rail 19 and either-rotation motor 20 and is mounted on 4 in the inside of processing case 16, makes
With the second sliding rail 19 and the second sliding shoe 25, by mould head 28, along sliding, strip-shaped hole 27 is convenient moves, and uses either-rotation motor 20
Power source is provided for the sliding of mould head 28, sliding effect is more preferable, and either-rotation motor 20 is mutual by connecting shaft 21 and bearing 22
Connection, and is equipped with second gear 23 in connecting shaft 21, the top of second gear 23 is provided with rotating wheel 24, second gear 23 with
Rotating wheel 24 is engagement connection, and rotating wheel 24 is provided with 2 groups on each the second sliding shoe 25, and every group has 3, and rotating wheel
24 are fixed on the second sliding shoe 25, and the second sliding shoe 25 and connecting column 26 are connected with each other, and connecting column 26 passes through sliding bar shaped
Hole 27 and mould head 28 are connected with each other, and the surface of mould head 28 and fixing mould 29 is convex structure, and mould head 28 is closed
4 are symmetrically installed in the center line of processing case 16, the convex structure in mould head 28 and fixing mould 29 can be combined into one
A full circle, the setting of sliding strip-shaped hole 27 is on processing case 16, and fixing mould 29 is fixed on processing case 16, and fixing mould 29 is in
The fixing mould 29 of " U " font structure, U-shaped can preferably process tubing, more efficient, operate more convenient.
The working principle of the present embodiment：Either-rotation motor 20 is opened, either-rotation motor 20 drives connecting shaft 21 to turn on bearings 22
Dynamic, so that second gear 23 be driven to be rotated around connecting shaft 21, second gear 23 engages connection with rotating wheel 24, so
Rotating wheel 24 can rotate in second gear 23, and rotating wheel 24 is fixed on the second sliding shoe 25, and the second sliding shoe 25 passes through company
It connects column 26 and mould head 28 is connected with each other, so the rotation of rotating wheel 24 will drive mould head 28 and carry out along sliding strip-shaped hole 27
Sliding, when 25 driven mold head 28 of the second sliding shoe slides into maximum magnitude, mould head 28 and fixing mould 29 fit, mold
First 28 and the arcuate structure of fixing mould 29 can form a full circle, to carry out bending to tubing by tubing, use liquid
Cylinder pressure 9 to provide power resources to tubing bending, and power resources are more stable, and active force is stronger, when placing tubing in advance,
Dual-axle motor 3 is opened to drive first gear 4 to rotate, since first gear 4 and rack gear 2 are engagement connection, rack gear 2 is to be fixed on
On first sliding rail 1, thus first gear 4 will drive the first sliding shoe 6 and slide on the first sliding rail 1, and the first sliding shoe 6 is in cunning
It will drive hydraulic cylinder 9 when dynamic to be slided, so that fixes sleeve 14 be driven to rotate along rotation axis 12, pacify between fixes sleeve 14
Equipped with telescopic rod 15, telescopic rod 15 can be moved in the inside of fixes sleeve 14, thus achieve the effect that it is flexible, in hydraulic cylinder
9 when sliding into left end, and the tubing for needing bending is put between mould head 28 and fixing mould 29 by reinforcing through-hole 18, then
Tubing is moved back in the fixation aperture 11 being fixed on tubing base plate 10, fixed aperture 11 is provided with 2 with through-hole 18 is reinforced
It is a, and fixed aperture 11 and the level height for reinforcing through-hole 18 are consistent with pore size, cooperate fixing mould 29 and mould head
28 easily can carry out bending to two root canal materials simultaneously, open hydraulic cylinder 9 and provide power resources, mould head 28 can surround connecting column
26 are rotated, and hydraulic cylinder 9 pushes tubing to move between fixing mould 29 and mould head 28, so that bending is carried out to tubing,
After the completion of bending, it is again turned on dual-axle motor 3, driven mold head 28 is mobile to the direction far from fixing mould 29, finally will
Tubing after bending takes out, and if you need to be processed again, repeats above operation, here it is the machining multitubes
The working principle of bending machine.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of machining multitube bending machine, including the first sliding rail (1), fixed case (8), processing case (16) and fixing mould
(29), it is characterised in that：It is fixed with rack gear (2) on first sliding rail (1), and is provided with dual-axle motor above rack gear (2)
(3), the dual-axle motor (3) and first gear (4) are connected with each other, and dual-axle motor (3) passes through mullion (5) and the first sliding shoe
(6) it is connected with each other, the fixed case (8) is connected with each other by fixed column (7) and the first sliding shoe (6), and fixed case (8) is interior
Side is fixed with hydraulic cylinder (9), and the hydraulic cylinder (9) and tubing base plate (10) are connected with each other, and are set on tubing base plate (10)
It is equipped with fixed aperture (11), the top of the fixed case (8) is equipped with rotation axis (12), and rotation axis (12) and fixing sleeve (13)
It is connected with each other, the fixing sleeve (13) is fixedly connected with fixes sleeve (14), and is equipped with telescopic rod between fixes sleeve (14)
(15), the processing case (16) and the first sliding rail (1) are connected with each other, and are processed on case (16) and be fixed with tubing securing plate (17),
It is provided on the tubing securing plate (17) and reinforces through-hole (18), the second sliding rail is installed on the inside of the processing case (16)
(19), and on the inside of the second sliding rail (19) be fixed with either-rotation motor (20), the either-rotation motor (20) by connecting shaft (21) with
Bearing (22) is connected with each other, and second gear (23) are equipped in connecting shaft (21), the top setting of the second gear (23)
Have rotating wheel (24), and rotating wheel (24) is fixed on the second sliding shoe (25), the second sliding shoe (25) and connecting column
(26) it is connected with each other, and connecting column (26) passes through sliding strip-shaped hole (27) and mould head (28) are connected with each other, the sliding bar shaped
In processing case (16), the fixing mould (29) is fixed in processing case (16) for hole (27) setting.
2. a kind of machining multitube bending machine according to claim 1, it is characterised in that：The first gear (4)
It is to engage connection, and first gear (4) is provided with 2 on dual-axle motor (3) with rack gear (2).
3. a kind of machining multitube bending machine according to claim 1, it is characterised in that：First sliding shoe
(6) when being moved to the left maximum magnitude on the first sliding rail (1), the distance between fixes sleeve (14) reaches most short.
4. a kind of machining multitube bending machine according to claim 1, it is characterised in that：The fixed case (8) and
Rotation axis (12) are mounted on first sliding rail (1).
5. a kind of machining multitube bending machine according to claim 1, it is characterised in that：The fixed aperture (11)
2, and the pore size and level height phase of fixed aperture (11) and reinforcing through-hole (18) are provided with through-hole (18) are reinforced
Together.
6. a kind of machining multitube bending machine according to claim 4, it is characterised in that：Second sliding rail (19)
4 are mounted on the inside of processing case (16) with either-rotation motor (20).
7. a kind of machining multitube bending machine according to claim 1, it is characterised in that：The second gear (23)
It is to engage connection with rotating wheel (24), rotating wheel (24) is provided with 2 groups on each the second sliding shoe (25), and every group has 3.
8. a kind of machining multitube bending machine according to claim 1, it is characterised in that：The second sliding shoe
(25) when sliding into maximum magnitude on the second sliding rail (19), mould head (28) fits with fixing mould (29).
9. a kind of machining multitube bending machine according to claim 1, it is characterised in that：The mould head (28) with
The surface of fixing mould (29) is convex structure, and mould head (28) is symmetrically installed with about the center line of processing case (16)
4.
10. a kind of machining multitube bending machine according to claim 1, it is characterised in that：The fixing mould
It (29) is in " U " font structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558844.1A CN107262569B (en) | 2017-07-11 | 2017-07-11 | A kind of machining multitube bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558844.1A CN107262569B (en) | 2017-07-11 | 2017-07-11 | A kind of machining multitube bending machine |
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| Publication Number | Publication Date |
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| CN107262569A CN107262569A (en) | 2017-10-20 |
| CN107262569B true CN107262569B (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710558844.1A Active CN107262569B (en) | 2017-07-11 | 2017-07-11 | A kind of machining multitube bending machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158456B (en) * | 2018-11-09 | 2024-05-03 | 湖北理工学院 | Manual pipe bending machine convenient to operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204396564U (en) * | 2015-01-20 | 2015-06-17 | 常州市前峰汽车附件有限公司 | Air throttle water pipe bender |
| CN205393255U (en) * | 2016-02-29 | 2016-07-27 | 龙泰（江西）运动科技有限公司 | Full -automatic high efficiency high accuracy swan neck system |
| CN105817558A (en) * | 2016-06-02 | 2016-08-03 | 常州市金海珑机械制造有限公司 | Reinforcing steel bar bending equipment |
| CN205464056U (en) * | 2016-01-11 | 2016-08-17 | 重庆石船建设开发有限公司 | Get and put more convenient angle bender of reinforcing bar |
| CN106424252A (en) * | 2016-12-11 | 2017-02-22 | 黄斌 | Traverse-adjustment pipe bender |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001105034A (en) * | 1999-10-12 | 2001-04-17 | Mitsubishi Heavy Ind Ltd | Pipe bender |
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2017
- 2017-07-11 CN CN201710558844.1A patent/CN107262569B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204396564U (en) * | 2015-01-20 | 2015-06-17 | 常州市前峰汽车附件有限公司 | Air throttle water pipe bender |
| CN205464056U (en) * | 2016-01-11 | 2016-08-17 | 重庆石船建设开发有限公司 | Get and put more convenient angle bender of reinforcing bar |
| CN205393255U (en) * | 2016-02-29 | 2016-07-27 | 龙泰（江西）运动科技有限公司 | Full -automatic high efficiency high accuracy swan neck system |
| CN105817558A (en) * | 2016-06-02 | 2016-08-03 | 常州市金海珑机械制造有限公司 | Reinforcing steel bar bending equipment |
| CN106424252A (en) * | 2016-12-11 | 2017-02-22 | 黄斌 | Traverse-adjustment pipe bender |
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Effective date of registration: 20181008 Address after: 315600 201 Fengshan Road, Qiaotou street, Ninghai County, Ningbo, Zhejiang Applicant after: NINGBO SHIJIA KENSUN MACHINERY Co.,Ltd. Address before: 241000 15 floor, building 4, service outsourcing garden, Wuhu hi tech Development Zone, Wuhu, Anhui. Applicant before: WUHU TAIQDZ ELECTRONICS TECHNOLOGY Co.,Ltd. |
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Address after: No. 201, Fengshan Road, Qiaotou Hu Street, Ninghai County, Ningbo City, Zhejiang Province Patentee after: Ningbo Sega Jiachen Technology Co.,Ltd. Address before: 315600 201 Fengshan Road, Qiaotou street, Ninghai County, Ningbo, Zhejiang Patentee before: NINGBO SHIJIA KENSUN MACHINERY Co.,Ltd. |