CN106944504B - The implementation method of electrical cabinet cold-reduced sheet bending machine - Google Patents
The implementation method of electrical cabinet cold-reduced sheet bending machine Download PDFInfo
- Publication number
- CN106944504B CN106944504B CN201710168205.4A CN201710168205A CN106944504B CN 106944504 B CN106944504 B CN 106944504B CN 201710168205 A CN201710168205 A CN 201710168205A CN 106944504 B CN106944504 B CN 106944504B
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- bending
- cold
- rotating bar
- reduced sheet
- axis
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Classifications
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses the implementation methods of electrical cabinet cold-reduced sheet bending machine, comprising the following steps: step A: first fixing cylinder table, and keeps the circular end face of cylinder table horizontal；It then will be in the installation axle insertion mounting hole of rotating bar one end；One end of bending arm is located to the top of cylinder table after limit hole again；Step B: cold-reduced sheet is placed between positioning column and bending arm, and makes bending arm and cold-reduced sheet perpendicular contact；Step C bending: the axis around installation axle rotates bending arm and rotating bar simultaneously, so that the other end of cold-reduced sheet is deformed around the side of positioning column.The implementation method of this bending machine, it is at low cost, solve that traditional bending machine is bulky and structure is complicated, the problem for the trouble that operates；When applying also for made electrical cabinet negligible amounts, when using traditional bending machine, the excessively high problem of the cost of bending machine is purchased.
Description
Technical field
The present invention relates to steel plate bending machines, and in particular to the implementation method of electrical cabinet cold-reduced sheet bending machine.
Background technique
Bending machine is a kind of machine that bending can be carried out to thin plate.Electrical cabinet is to be process by steel material for protecting
The cabinet that component works normally.Electrical cabinet making material is generally divided into hot rolled steel plate and two kinds of cold-rolled steel sheet.By cold-rolled steel sheet
The bending machine needed in the technique of electrical cabinet is made by steel plate bending, then the steel plate of bending and plate welding get up group
At electrical cabinet.
Traditional bending machine is bulky and structure is complicated, and operate trouble, and when the electrical cabinet negligible amounts of production
When, when using traditional bending machine, the cost for purchasing bending machine is excessively high, impracticable.
Summary of the invention
It is an object of that present invention to provide the implementation methods of electrical cabinet cold-reduced sheet bending machine, solve traditional bending machine volume
Huge and structure is complicated, operate trouble, and when the electrical cabinet negligible amounts of production, when using traditional bending machine, adopts
Purchase the excessively high problem of the cost of bending machine.
The present invention is achieved through the following technical solutions:
The implementation method of electrical cabinet cold-reduced sheet bending machine, comprising the following steps:
Step A installs bending machine: first fixing cylinder table, and keeps the circular end face of cylinder table horizontal；Then by rotating bar
In the installation axle insertion mounting hole of one end；One end of bending arm is located to the top of cylinder table after limit hole again；
Step B places cold-reduced sheet: cold-reduced sheet being placed between positioning column and bending arm, and bending arm and cold-reduced sheet is made to hang down
Directly touch；
Step C bending: with hand or other devices, one end of cold-reduced sheet being fixed, while by bending arm and limited block
Be fixed to one another, then around installation axle axis simultaneously rotate bending arm and rotating bar so that the other end of cold-reduced sheet around
The side of positioning column deforms.
Wherein: the positioning column is located at the upper surface of cylinder table, and the positioning column is located at the upper surface of cylinder table, the peace
Dress hole is arranged on the lower surface of cylinder table, and the axis of mounting hole is overlapped with the axis of positioning column, and the installation axle setting exists
One end of rotating bar, the installation axle and mounting hole cooperate, and the axis of installation axle is vertical with the axis of rotating bar, the rotation
Bar can be rotated around the axis of mounting hole；
Limited block is provided on the side of cylinder table in rotating bar, the limit hole is arranged on limited block, and
The axis of limit hole is parallel to the axis of rotating bar.When for the bending of electrical cabinet cold-reduced sheet, positioning column uses cross section to be rectangular
The prism of shape, and by four equal chamferings of right-angle side of the prism.
In use, cold-reduced sheet is placed between positioning column and bending arm, bending arm is then moved, makes to be located at circle on bending arm
One end above pylon is contacted with cold-reduced sheet, and contacts one end on cold-reduced sheet far from bending arm with positioning column.Then it fixes
Or one end of cold-reduced sheet being held, and using the axis of installation axle as rotation center, rotary motion bar and bending arm make cold-reduced sheet
The other end along positioning column surface bend.This bending machine method is simple, at low cost, solves traditional bending machine volume
It is huge and structure is complicated, the problem for the trouble that operates；When applying also for made electrical cabinet negligible amounts, using traditional
When bending machine, the excessively high problem of the cost of bending machine is purchased.
It further, further include the clamping device that cylinder table upper surface is set, the clamping device includes screw rod and one
To the locating piece being oppositely arranged, the side in the face and positioning column opposite with another locating piece is tangent or flat on a locating piece
Row, there are two the screw rods, and a locating piece is run through in one end of a screw rod, and the axis of screw rod perpendicular to locating piece each other
Opposite face.Locating piece and screw rod fix the cold-reduced sheet being located on cylinder table, without manually holding stabilized cold-reduced sheet, drop
The low labor intensity of worker.
Further, pressing tight plate is provided on the face relative to each other of screw rod.The stress surface of pressing tight plate increase cold-reduced sheet
Product avoids cold-reduced sheet from being recessed by the excessive generation of local stress of clamping force.
Further, further include bending column, one end above cylinder table is located on bending arm and is provided with tapped through hole, institute
Upper surface of the axis perpendicular to cylinder table for stating tapped through hole is provided with and tapped through hole cooperation on an end face of bending column
Boss.The bending column of suitable shape, such as cylindrical type, quadrangular, hexagonal prisms etc. can be selected as needed.It is connected through a screw thread and
Realize that replacing bending column of different shapes expands suitable application area of the invention to obtain the cold-reduced sheet of different bendings.
Further, there are two the bending columns, and the two sides of bending arm are set along the axisymmetrical of bending arm.
Further, one end in rotating bar on the side of cylinder table far from installation axle is provided with supporting block,
One end in supporting block far from rotating bar is provided with through slot, and the other end of the bending arm is located in through slot.Supporting block is for branch
Support bending arm, and in order to make supporting block always can doubling curved boom play a supporting role, set big always for the length of bending arm
In the length of rotating bar.
Further, further include elevating lever, screw thread is provided on the side of elevating lever, an elevating lever passes through rotation
Be rotatablely connected on limited block close to one end of rotating bar after bar, another elevating lever pass through after rotating bar with it is close in supporting block
One end of rotating bar is rotatablely connected, and the axis of elevating lever, each parallel to the axis of installation axle, limited block can be made by rotating elevating lever
It moves up or declines with supporting block.One end on positioning column close to cylinder table is provided with mounting blocks, and the mounting blocks are polygon,
In the upper surface of cylinder table, setting is fluted, and the groove and mounting blocks cooperate.When the cold-reduced sheet institute bending part of bending is longer
When, the matched positioning column of replaceable length therewith and bending column, and rotation and lifting bar, limited block and supporting block are moved up to increase folding
The distance between curved boom and cylinder table are allowed to adapt to the bigger bending column of height.
Further, one end on limited block far from rotating bar is provided with puller bolt, the screw rod of the puller bolt
End holds out against bending arm after passing through the hole wall on limit hole far from rotating bar.Puller bolt fixes bending arm, without bending
Doubling curved boom applies fixed force when cold-reduced sheet, reduces the labor intensity of worker.
Compared with prior art, the present invention having the following advantages and benefits:
1, the implementation method of electrical cabinet cold-reduced sheet bending machine of the present invention, in use, cold-reduced sheet is placed on positioning column and folding
Between curved boom, bending arm is then moved, contacts the one end being located above cylinder table on bending arm with cold-reduced sheet, and make cold-reduced sheet
Upper one end far from bending arm is contacted with positioning column.Then one end that is fixed or holding cold-reduced sheet, and with the axis of installation axle
Line is rotation center, rotary motion bar and bending arm, bends the other end of cold-reduced sheet along the surface of positioning column.This bending
Machine method is simple, at low cost, solves that traditional bending machine is bulky and structure is complicated, the problem for the trouble that operates；Also
When suitable for made electrical cabinet negligible amounts, when using traditional bending machine, the excessively high problem of the cost of bending machine is purchased；
2, the implementation method of electrical cabinet cold-reduced sheet bending machine of the present invention, when the cold-reduced sheet institute bending part of bending is longer
When, the matched positioning column of replaceable length therewith and bending column, and rotation and lifting bar, limited block and supporting block are moved up to increase folding
The distance between curved boom and cylinder table are allowed to adapt to the bigger bending column of height；
3, the implementation method of electrical cabinet cold-reduced sheet bending machine of the present invention can select the bending of suitable shape as needed
Column, such as cylindrical type, quadrangular, hexagonal prisms etc.；It is connected through a screw thread to realize replacement bending column of different shapes, to obtain not
With the cold-reduced sheet of bending, suitable application area of the invention is expanded.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is perspective view of the explosion of the invention.
Label and corresponding parts title in attached drawing:
1- cylinder table, 2- positioning column, 3- rotating bar, 4- bending arm, 5- mounting hole, 6- installation axle, 7- limited block, 8- limit
Hole, 9- screw rod, 10- locating piece, 11- pressing tight plate, 12- bending column, 13- tapped through hole, 14- boss, 15- supporting block, 16- are logical
Slot, 17- elevating lever, 18- puller bolt, 19- mounting blocks, 20- groove.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As Figure 1-Figure 2, the implementation method of electrical cabinet cold-reduced sheet bending machine of the present invention, comprising the following steps:
Step A installs bending machine: it is first that cylinder table 1 is fixed, and keep the circular end face of cylinder table 1 horizontal；It then will rotation
The installation axle 6 of 3 one end of bar is embedded in mounting hole 5；It is located at the upper of cylinder table 1 after one end of bending arm 4 is passed through limit hole 8 again
Side；
Step B places cold-reduced sheet: cold-reduced sheet being placed between positioning column 2 and bending arm 4, and makes bending arm 4 and cold rolling
Plate perpendicular contact；
Step C bending: with hand or other devices, one end of cold-reduced sheet being fixed, while by bending arm 4 and limited block
7 are fixed to one another, and bending arm 4 and rotating bar 3 are rotated simultaneously then around the axis of installation axle 6, so that the other end of cold-reduced sheet
It is deformed around the side of positioning column 2.
Wherein: the positioning column 2 is located at the upper surface of cylinder table 1, and the lower surface of cylinder table 1 is arranged in the mounting hole 5
On, and the axis of mounting hole 5 is overlapped with the axis of positioning column 2, one end of rotating bar 3, the installation is arranged in the installation axle 6
Axis 6 and mounting hole 5 cooperate, and the axis of installation axle 6 is vertical with the axis of rotating bar 3, and the rotating bar 3 can be around mounting hole 5
Axis rotation；
Limited block 7 is provided on the side of cylinder table 1 in rotating bar 3, the limit hole 8 is arranged in limited block 7
On, and the axis of limit hole 8 is parallel to the axis of rotating bar 3；One end of the bending arm 4 is located at cylinder after passing through limit hole 8
1 top of platform.When for the bending of electrical cabinet cold-reduced sheet, positioning column 2 uses cross section for rectangular prism, and by the prism
Four equal chamferings of right-angle side.
In use, cold-reduced sheet is placed between positioning column 2 and bending arm 4, bending arm is then moved, keeps bending arm 4 upper
One end above cylinder table 1 is contacted with cold-reduced sheet, and contacts one end on cold-reduced sheet far from bending arm 4 with positioning column 2.So
One end that is fixed afterwards or holding cold-reduced sheet, and using the axis of installation axle 6 as rotation center, rotary motion bar 3 and bending arm
4, bend the other end of cold-reduced sheet along the surface of positioning column 2.This bending machine method is simple, at low cost, solves tradition
Bending machine it is bulky and structure is complicated, the problem for the trouble that operates；Apply also for made electrical cabinet negligible amounts
When, when using traditional bending machine, purchase the excessively high problem of the cost of bending machine.
Meanwhile the bending angle formed after needing and bending is circle, such as bending annulus, then sets round for positioning column 2
Column type.Formed after needing to bend when being bent to multistage not parallel mutually and sequentially connected straight flange, then positioning column 2 is arranged
For corresponding polygon prism.
Embodiment 2
The present embodiment is on the basis of embodiment 1, to further illustrate to the present invention.
As Figure 1-Figure 2, the implementation method of electrical cabinet cold-reduced sheet bending machine of the present invention further includes being arranged in cylinder table
The clamping device of 1 upper surface, the clamping device include the locating piece 10 of screw rod 9 and a pair of opposing, a locating piece 10
Upper tangent or parallel with the side of positioning column 2 with the opposite face of another locating piece 10, there are two the screw rods 9, a spiral shell
A locating piece 10 is run through in one end of bar 9, and the axis of screw rod 9 is perpendicular to the face relative to each other of locating piece 10.10 He of locating piece
Screw rod 9 fixes the cold-reduced sheet being located on cylinder table 1, without manually holding stabilized cold-reduced sheet, reduces the labor of worker
Fatigue resistance.
Further, pressing tight plate 11 is provided on the face relative to each other of screw rod 9.Pressing tight plate 11 increase cold-reduced sheet by
Power area avoids cold-reduced sheet from being recessed by the excessive generation of local stress of clamping force.
It further, further include bending column 12, it is logical that one end on bending arm 4 above cylinder table 1 is provided with screw thread
Hole 13, the axis of the tapped through hole 13 are provided with and spiral shell perpendicular to the upper surface of cylinder table 1 on an end face of bending column 12
The boss 14 that line through-hole 13 cooperates.The bending column 12 of suitable shape, such as cylindrical type, quadrangular, six ribs can be selected as needed
Column etc..It is connected through a screw thread to realize replacement bending column 12 of different shapes, to obtain the cold-reduced sheet of different bendings, expands this
The suitable application area of invention.
Further, there are two the bending columns 12, and the two sides of bending arm 4 are set along the axisymmetrical of bending arm 4.
Further, one end in rotating bar 3 on the side of cylinder table 1 far from installation axle 6 is provided with supporting block
15, one end in supporting block 15 far from rotating bar 3 is provided with through slot 16, and the other end of the bending arm 4 is located in through slot 16.
Supporting block 15 is used to support bending arm 4, and in order to make supporting block 15 always can doubling curved boom 4 play a supporting role, by bending arm 4
Length be set as the length of consistently greater than rotating bar 3.
Further, further include elevating lever 17, screw thread is provided on the side of elevating lever 17, an elevating lever 17 is worn
Cross after rotating bar 3 and be rotatablely connected on limited block 7 close to one end of rotating bar 3, another elevating lever 17 pass through after rotating bar 3 with
It is rotatablely connected in supporting block 15 close to one end of rotating bar 3, and the axis of elevating lever 17 turns each parallel to the axis of installation axle 6
Dynamic elevating lever 17 can make limited block 7 and supporting block 15 move up or decline.One end on positioning column 2 close to cylinder table 1 is provided with
Mounting blocks 19, the mounting blocks 19 are polygon, the setting fluted 20 in the upper surface of cylinder table 1, the groove 20 and installation
Block 19 cooperates.When the cold-reduced sheet of bending institute bending part is longer, the matched positioning column 2 of replaceable length therewith and bending column
12, and rotation and lifting bar 17, limited block 7 and supporting block 15 are moved up to increase the distance between bending arm 4 and cylinder table 1, are allowed to
Adapt to the bigger bending column 12 of height.
Further, one end on limited block 7 far from rotating bar 3 is provided with puller bolt 18, the puller bolt 18
Screw end pass through limit hole 8 on far from rotating bar 3 hole wall after hold out against bending arm 4.Puller bolt 18 consolidates bending arm 4
It is fixed, do not have to the doubling curved boom 4 when bending cold-reduced sheet and apply fixed force, reduces the labor intensity of worker.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (2)
1. the implementation method of electrical cabinet cold-reduced sheet bending machine, it is characterised in that: the following steps are included:
Step A installs bending machine: it is first that cylinder table (1) is fixed, and keep the circular end face of cylinder table (1) horizontal；It then will rotation
In installation axle (6) insertion mounting hole (5) of bar (3) one end；One end of bending arm (4) is passed through into limit hole (8) again and is located at circle afterwards
The top of pylon (1)；
Step B places cold-reduced sheet: cold-reduced sheet being placed between positioning column (2) and bending arm (4), and makes bending arm (4) and cold
Roll plate perpendicular contact；
Step C bending: being fixed one end of cold-reduced sheet with hand, while bending arm (4) and limited block (7) being fixed to one another,
Bending arm (4) and rotating bar (3) are rotated simultaneously then around the axis of installation axle (6), so that the other end of cold-reduced sheet is around fixed
The side deformation of position column (2)；
In above-mentioned steps:
The positioning column (2) is located at the upper surface of cylinder table (1), lower surface of mounting hole (5) setting in cylinder table (1)
On, and the axis of mounting hole (5) is overlapped with the axis of positioning column (2), the installation axle (6) is arranged in one end of rotating bar (3),
The installation axle (6) and mounting hole (5) cooperate, and the axis of installation axle (6) is vertical with the axis of rotating bar (3), the rotation
Bar (3) can be rotated around the axis of mounting hole (5)；
It is provided with limited block (7) on the side of cylinder table (1) on rotating bar (3), limit hole (8) setting is limiting
On block (7), and the axis of limit hole (8) is parallel to the axis of rotating bar (3)；
It further include clamping device of the setting in cylinder table (1) upper surface, the clamping device includes that screw rod (9) and a pair are set relatively
The locating piece (10) set, the side phase in the face opposite with another locating piece (10) and positioning column (2) on a locating piece (10)
It cuts or in parallel, there are two the screw rods (9), a locating piece (10) is run through in one end of a screw rod (9), and screw rod (9)
Relative to each other face of the axis perpendicular to locating piece (10)；
Pressing tight plate (11) are provided on the face relative to each other of screw rod (9)；
Further include bending column (12), one end above cylinder table (1) be located on bending arm (4) and is provided with tapped through hole (13),
The axis of the tapped through hole (13) perpendicular to the upper surface of cylinder table (1), be provided on an end face of bending column (12) with
The boss (14) of tapped through hole (13) cooperation；
There are two the bending columns (12), and is arranged along the axisymmetrical of bending arm (4) in the two sides of bending arm (4)；
One end on rotating bar (3) on the side of cylinder table (1) far from installation axle (6) is provided with supporting block (15),
One end in supporting block (15) far from rotating bar (3) is provided with through slot (16), and the other end of the bending arm (4) is located at through slot
(16) in；
Further include elevating lever (17), screw thread is provided on the side of elevating lever (17), an elevating lever (17) passes through rotation
Bar (3) is rotatablely connected with one end on limited block (7) close to rotating bar (3) afterwards, and another elevating lever (17) passes through rotating bar (3)
It is rotatablely connected afterwards with one end on supporting block (15) close to rotating bar (3), and the axis of elevating lever (17) is each parallel to installation axle
(6) axis, rotation elevating lever (17) can make limited block (7) and supporting block (15) move up or decline；It is close on positioning column (2)
One end of cylinder table (1) is provided with mounting blocks (19), and the mounting blocks (19) are polygon, is set in the upper surface of cylinder table (1)
It is equipped with groove (20), the groove (20) and mounting blocks (19) cooperate.
2. the implementation method of electrical cabinet cold-reduced sheet bending machine according to claim 1, it is characterised in that: in limited block
(7) one end on far from rotating bar (3) is provided with puller bolt (18), and the screw end of the puller bolt (18) passes through limit
Bending arm (4) are held out against after hole wall on hole (8) far from rotating bar (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710168205.4A CN106944504B (en) | 2017-03-21 | 2017-03-21 | The implementation method of electrical cabinet cold-reduced sheet bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710168205.4A CN106944504B (en) | 2017-03-21 | 2017-03-21 | The implementation method of electrical cabinet cold-reduced sheet bending machine |
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| Publication Number | Publication Date |
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| CN106944504A CN106944504A (en) | 2017-07-14 |
| CN106944504B true CN106944504B (en) | 2019-08-02 |
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| CN201710168205.4A Active CN106944504B (en) | 2017-03-21 | 2017-03-21 | The implementation method of electrical cabinet cold-reduced sheet bending machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883148B (en) * | 2019-12-02 | 2021-02-05 | 东莞市世欣五金制品有限公司 | Bending method for manufacturing and processing electric power electrical cabinet |
| CN112474924B (en) * | 2020-10-30 | 2022-05-06 | 佛山市南海奥阳实业有限公司 | Bending processing method of cold rolled steel sheet metal part |
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| CN2135411Y (en) * | 1992-09-29 | 1993-06-09 | 徐载升 | Miniature metal element elbowing machine |
| CN101543854A (en) * | 2009-05-06 | 2009-09-30 | 山东唐口煤业有限公司 | Steel belt arc pressing machine |
| CN201500745U (en) * | 2009-10-12 | 2010-06-09 | 福州长博机械有限公司 | Reinforcing steel bending machine provided with damping oil pump |
| CN201880828U (en) * | 2010-11-29 | 2011-06-29 | 长葛市新世纪机电有限公司 | Automatic stirrup bender |
| CN203356288U (en) * | 2013-07-04 | 2013-12-25 | 艾柯电器（苏州）有限公司 | Simple copper pipe bending device |
| CN205732696U (en) * | 2016-05-09 | 2016-11-30 | 扬州欣泰电热元件制造有限公司 | A kind of apparatus for bending |
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2017
- 2017-03-21 CN CN201710168205.4A patent/CN106944504B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135411Y (en) * | 1992-09-29 | 1993-06-09 | 徐载升 | Miniature metal element elbowing machine |
| CN101543854A (en) * | 2009-05-06 | 2009-09-30 | 山东唐口煤业有限公司 | Steel belt arc pressing machine |
| CN201500745U (en) * | 2009-10-12 | 2010-06-09 | 福州长博机械有限公司 | Reinforcing steel bending machine provided with damping oil pump |
| CN201880828U (en) * | 2010-11-29 | 2011-06-29 | 长葛市新世纪机电有限公司 | Automatic stirrup bender |
| CN203356288U (en) * | 2013-07-04 | 2013-12-25 | 艾柯电器（苏州）有限公司 | Simple copper pipe bending device |
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| CN106944504A (en) | 2017-07-14 |
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Address after: 610000 1 Zhen Zhong Road, Chengdu economic and Technological Development Zone, Sichuan Applicant after: CHENGDU ZHENZHONG ELECTRIC GROUP Co.,Ltd. Address before: 610000 Zhenzhong Road, Chengdu Economic and Technological Development Zone, Chengdu, Sichuan Province Applicant before: CHENGDU ZHENZHONG ELECTRIC Co.,Ltd. |
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