CN108296328B - Pipe fitting bending device - Google Patents
Pipe fitting bending device Download PDFInfo
- Publication number
- CN108296328B CN108296328B CN201810078427.1A CN201810078427A CN108296328B CN 108296328 B CN108296328 B CN 108296328B CN 201810078427 A CN201810078427 A CN 201810078427A CN 108296328 B CN108296328 B CN 108296328B
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- Prior art keywords
- bending
- pipe fitting
- gear
- disk
- hole
- 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.)
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- 238000005452 bending Methods 0.000 title claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 230000007723 transport mechanism Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009837 dry grinding Methods 0.000 claims 1
- 230000009977 dual effect Effects 0.000 claims 1
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/022—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment over a stationary forming member only
-
- 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
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
-
- 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
- B21D7/162—Heating equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
This patent is related to pipe fitting manufacture field, specifically disclose pipe fitting bending device, it include Transport disc, bending disk, gear ring, power unit, screw rod and transmission gear including transport mechanism, bending disk is welded on fixed frame, Transport disc is slidably mounted on fixed frame, and Transport disc and bending disk coaxial arrangement, gear ring are coaxially mounted on bending disk, transmission gear is mounted on bending disk on the side of Transport disc, and transmission gear is engaged with gear ring;One end of screw rod and Transport disc are rotatablely connected, and the other end and bending disk and transmission gear of screw rod are rotation connection, and transmission gear and screw coaxial are arranged;Transport disc is equipped with first through hole, and bending disk is equipped with the second through-hole, and first through hole, the second through-hole and gear ring are coaxially disposed;It bends disk and is equipped with heating wire and bending slot far from the side of Transport disc, heating wire is welded on bending disk.This programme can control the inflection point of pipe fitting, improve the qualification rate of bending pipe fitting.
Description
Technical field
The invention belongs to pipe fitting manufacture fields, and in particular to pipe fitting bending device.
Background technique
In the manufacturing process of stretcher, it is related to the processing of cloth and the processing of support frame, wherein support frame multiselect matter
Measuring light intensity, good tubular metal is made into, and the processes such as the cutting, bending and welding of tubing are related in the process of tubing.
At this stage, the bending of pipe fitting mostly uses artificial mode, and staff directly passes through pliers and manpower, and the progress of straight pipe fitting is curved
Folding, not only effort, the bending angle of pipe fitting are also difficult to control such pipe fitting bending mode;Simultaneously using the mistake manually bent
Cheng Zhong is easy to cause the inflection point of pipe fitting to make a fault, and the bending process of pipe fitting is caused the error in precision, three of the above occur
The qualification rate that situation will cause bending pipe fitting lowers.
Summary of the invention
The invention is intended to provide pipe fitting bending device, to control the inflection point of pipe fitting, the qualification rate of bending pipe fitting is improved.
In order to achieve the above object, base case of the invention is as follows: pipe fitting bending device, including fixed frame, including passes
Send mechanism and clamping device, the transport mechanism include Transport disc, bending disk, gear ring, drive the power unit of ring gear against rotation with
And several transmission units, the transmission unit include screw rod and transmission gear, the bending disk is fixedly mounted on fixed frame, is passed
Disk is sent to be slidably mounted on fixed frame, and Transport disc and bending disk coaxial arrangement, the gear ring are coaxially mounted on bending disk, pass
Gear is sent to be mounted on bending disk on the side of Transport disc, and the side of transmission gear is engaged with gear ring;The one of the screw rod
End connect with the surface pivots of Transport disc, the other end of screw rod sequentially pass through transmission gear and bending disk, screw rod with bend disk and
Transmission gear is rotation connection, and transmission gear and screw coaxial are arranged;The Transport disc is equipped with first passed through for pipe fitting
Through-hole, bending disk is equipped with the second through-hole passed through for pipe fitting, and first through hole, the second through-hole and gear ring are coaxially disposed;Institute
Stating clamping device includes the first wheel flange and the second wheel flange for clamping pipe fitting, and first wheel flange is mounted on first through hole
Interior, the second wheel flange is mounted in the second through-hole, and the bending disk is equipped with heating wire and bending slot far from the side of Transport disc,
Heating wire is fixedly mounted on bending disk, and the inner surface of the bending slot is in the cambered surface being bonded with outer surface of pipe fittings.
Pipe fitting: when operation, being first mounted in the first through hole of Transport disc by the principle of base case, and in first through hole
One wheel flange clamps pipe fitting.
Start power unit, power unit drives gear ring to rotate forward, and the gear ring of rotation drives transmission gear rotation, rotation
Transmission gear drive screw rod rotation, the direction that screw rod drives Transport disc to bending disk while screw rod rotates is mobile, and then band
The direction of pipe fitting to bending disk on dynamic Transport disc is mobile, and pipe fitting passes through the second through-hole, when Transport disc is bonded with gear ring, second
The second wheel flange in through-hole clamps pipe fitting, and the first wheel flange loosens pipe fitting, simultaneously closes off power unit.
The drive gear ring of power unit rotates backward, and transmission gear drives screw rod to rotate backward, and screw rod drives transmission at this time
Disk is mobile to the direction far from bending disk, and first through hole is slided with respect to pipe fitting, when screw rod is moved to the limit, is again switched off power
Unit;Being again started up power unit drives gear ring to rotate forward, and keeps pipe fitting constantly mobile to the direction of bending disk.
The length for being located at the pipe fitting of bending slot side is observed during this, when length and the suitable length of inflection point, is closed
Power unit is closed, and pipe fitting is fixed in the second wheel flange at this time;Open heating wire, pipe fitting of the heating wire to the second through hole
Heating, while being bent to by pipe fitting to the direction of bending slot, the side wall of the pipe fitting after the completion of bending is bonded with the inner wall of bending slot.
The advantages of base case: 1, the side of transmission gear is engaged with gear ring, and power unit drives ring gear against rotation;It is convenient for
Several transmission gears are driven to rotate synchronously, and the inner wall of transmission gear is also rotatablely connected with screw rod, convenient for driving several screw rods to turn
It allows screw rod to generate displacement while dynamic, the change in power transmission direction is realized, convenient for carrying out stable transmission to pipe fitting;2, screw rod
One end and Transport disc surface pivots connect, the other end of screw rod sequentially pass through transmission gear and bending disk, screw rod and bending
Disk and transmission gear are rotation connection, can smoothly be rotated in transmission gear and bending disk convenient for screw rod and mobile, simultaneously
Screw rod can be rotated relative to Transport disc, allow Transport disc only to generate moving along screw axis direction, convenient for pipe fitting along the axis of screw rod
Direction is mobile;3, first through hole, the second through-hole and gear ring are coaxially disposed, and the first wheel flange is mounted in first through hole, the
Two wheel flanges are mounted in the second through-hole, can sequentially pass through first through hole, the second through-hole and gear ring convenient for pipe fitting, are carried out to pipe fitting
Guiding and limit;The first wheel flange and the second wheel flange can match the position of pipe fitting simultaneously, and stable folder is carried out to pipe fitting
It holds, when carrying out complete to pipe fitting, the second wheel flange can provide clamping force for the bending of pipe fitting;4, bending disk is far from Transport disc
Side is equipped with heating wire and bending slot, can control the inflection point of pipe fitting by the length of screw rod before bending, while this is curved
Break can improve the qualification rate of bending pipe fitting with heating wire and bending slot cooperation.
In conclusion this equipment is capable of being transmitted to pipe fitting for fast and stable, screw rod can be passed through during transmission
Moving distance judges the transmitting range of pipe fitting, and then is accurately controlled to the inflection point of pipe fitting, while bending on disk
The inflection point of heating wire and bending slot and pipe fitting cooperates, and can improve the qualification rate of bending pipe fitting.
It further, further include control mechanism, the control mechanism includes singly opening double control switch, the first circuit and the second electricity
Road, first wheel flange are the first electromagnet that can attract pipe fitting, and the second wheel flange is the second electricity that can attract pipe fitting
Magnet, it is described singly to open in double control switch equipped with the first contact, the second contact and be connected to the first contact and the second contact
Switch cutter, first contact are electrically connected with the first circuit, and the second contact is electrically connected with second circuit, first circuit and
The connection of one electromagnet, second circuit are connect with the second electromagnet.When switch cutter and the first contact contact, the first circuit is connected
Logical, the first electromagnet generates the magnetic force to pipe fitting, and second circuit disconnects at the same time, and the second electromagnet does not have the magnetic to pipe fitting
Power;Convenient for when in use, disposably being switched over to the state of the first electromagnet and the second electromagnet, and during switching
Bending process and transmit process with pipe fitting are adapted, and can be improved the control efficiency of the first electromagnet and the second electromagnet.
Further, the power unit includes driving gear and the motor for driving driving gear rotation, the driving tooth
Wheel is engaged with gear ring, and driving gear is rotatably installed on bending disk.Driving gear drives ring gear against rotation, and driving gear is curved
Rotation stable on disk is rolled over, and then gear ring can be allowed to keep stable rotation.
It further, further include support ring, described to be fixedly mounted on bending disk, support ring and the second through-hole are coaxially disposed,
And the inner wall of gear ring and the outer wall sliding contact of support ring.Support ring can limit the rotation of gear ring, allow the gear ring of rotation
Stable rotation is kept, while protecting the rotation of gear ring interference-free.
Further, several balls are installed between the support ring and gear ring.Ball is mounted on support ring and gear ring, energy
Make the rotation of gear ring more smooth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pipe fitting bending device embodiment of the present invention;
Fig. 2 is the cross-sectional view in Fig. 1 at A-A;
Fig. 3 is the cross-sectional view in Fig. 1 at B-B.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: Transport disc 10, first through hole 101, the first electromagnet 102, bending disk
20, gear ring 201, transmission gear 202, screw rod 203, the second through-hole 204, the second electromagnet 205, heating wire 206, bending slot 207,
Support ring 208, motor 30, driving gear 301, ball 40, pipe fitting 50.
Embodiment is basic as shown in attached drawing 1, attached drawing 2 and attached drawing 3: pipe fitting bending device, including fixed frame, support ring 208,
Control mechanism, transport mechanism and clamping device.
Transport mechanism includes Transport disc 10, bending disk 20, gear ring 201, the power unit and two for driving gear ring 201 to rotate
A transmission unit, transmission unit include screw rod 203 and transmission gear 202, and bending disk 20 is welded on fixed frame, and Transport disc 10 is sliding
It is dynamic to be mounted on fixed frame, and Transport disc 10 and bending disk 20 are coaxially disposed, gear ring 201 is coaxially mounted on bending disk 20, is passed
Gear 202 is sent to be mounted on the right side of bending disk 20, and the side of transmission gear 202 is engaged with gear ring 201;Screw rod 203
Right end is connect with the surface pivots of Transport disc 10, and the left end of screw rod 203 sequentially passes through transmission gear 202 and bending disk 20, screw rod
203 with bending disk 20 and transmission gear 202 be rotation connection, and transmission gear 202 and screw rod 203 are coaxially disposed;Transport disc 10
It is equipped with the first through hole 101 that passes through for pipe fitting 50, bending disk 20 is equipped with the second through-hole 204 passed through for pipe fitting 50, and the
One through-hole 101, the second through-hole 204 and gear ring 201 are coaxially disposed;Clamping device includes the first electromagnet for clamping pipe fitting 50
102 and second electromagnet 205, the first electromagnet 102 be mounted in first through hole 101, it is logical that the second electromagnet 205 is mounted on second
In hole 204.
The left side for bending disk 20 is equipped with heating wire 206 and bending slot 207, and heating wire 206 is welded on bending disk 20, curved
The inner surface of folding slot 207 is in the cambered surface being bonded with 50 outer surface of pipe fitting;It is welded on bending disk 20, support ring 208 and second is led to
Hole 204 is coaxially disposed, and gear ring 201 is located in support ring 208, and several balls are equipped between support ring 208 and gear ring 201
40。
Control mechanism includes singly opening double control switch, the first circuit and second circuit, singly opens and is equipped with the first touching in double control switch
Point, the second contact and the switch cutter that can be connected to the first contact and the second contact, the first contact are electrically connected with the first circuit, the
Two contacts are electrically connected with second circuit, and the first circuit is connect with the first electromagnet 102, and second circuit and the second electromagnet 205 connect
It connects.
Power unit include driving gear 301 and drive driving gear 301 rotate motor 30, driving gear 301 with
Gear ring 201 engages, and driving gear 301 is rotatably installed on bending disk 20.
Pipe fitting 50 is first mounted on the first through hole of Transport disc 10 when in use by the pipe fitting bending device in the present embodiment
In 101, switch cutter is contacted with the first contact at this time, and the first electromagnet 102 in first through hole 101 clamps pipe fitting 50.
Start motor 30, driving gear 301 drives gear ring 201 to rotate forward at this time, and the gear ring 201 of rotation drives transmission
Gear 202 rotates, and the transmission gear 202 of rotation drives screw rod 203 to rotate, and screw rod 203 drives transmission while screw rod 203 rotates
Disk 10 is moved to the left, and then the pipe fitting 50 on Transport disc 10 is driven to be moved to the left, and pipe fitting 50 passes through the second through-hole 204, works as transmission
When disk 10 is bonded with support ring 208, switch cutter is contacted with the second contact, and the second electromagnet 205 in the second through-hole 204 is right at this time
Pipe fitting 50 clamps, and the first electromagnet 102 loosens pipe fitting 50, simultaneously closes off motor 30.
Motor 30 starts, and driving gear 301 drives gear ring 201 to rotate backward, and transmission gear 202 drives screw rod 203 anti-
To rotation, screw rod 203 drives Transport disc 10 mobile to the direction far from bending disk 20 at this time, and first through hole 101 is with respect to pipe fitting 50
Sliding, when screw rod 203 is moved to the limit, is again switched off power unit;Being again started up power unit drives gear ring 201 is positive to turn
It is dynamic, it is moved to the left pipe fitting 50 constantly.
The length for being located at the pipe fitting 50 of bending 207 side of slot is observed during this, when the suitable length of length and inflection point
When, motor 30 is closed, and switch cutter is contacted with the second contact at this time, pipe fitting 50 is fixed in the second electromagnet 205;It opens
Heating wire 206, heating wire 206 at the second through-hole 204 pipe fitting 50 heat, while to by pipe fitting 50 to bending slot 207 side
To bending, the side wall of the pipe fitting 50 after the completion of bending is bonded with the inner wall of bending slot 207.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these also should be considered as protection scope of the present invention, these all will not influence of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific embodiment can be used for explaining the content of claim.
Claims (4)
1. pipe fitting bending device, including fixed frame, which is characterized in that including transport mechanism and clamping device, the transport mechanism
Including Transport disc, bending disk, gear ring, the power unit and several transmission units for driving ring gear against rotation, the transmission unit packet
Screw rod and transmission gear are included, the bending disk is fixedly mounted on fixed frame, and Transport disc is slidably mounted on fixed frame, and is transmitted
Disk and bending disk coaxial arrangement, the gear ring are coaxially mounted on bending disk, and transmission gear is mounted on bending disk close to Transport disc
Side on, and the side of transmission gear is engaged with gear ring;One end of the screw rod and the surface pivots of Transport disc connect, screw rod
The other end sequentially pass through transmission gear and bending disk, screw rod and bending disk and transmission gear be rotation connection, transmission gear
It is arranged with screw coaxial;The Transport disc is equipped with the first through hole that passes through for pipe fitting, and bending disk is equipped with to be passed through for pipe fitting
Second through-hole, and first through hole, the second through-hole and gear ring are coaxially disposed;The clamping device includes the first folder for clamping pipe fitting
Circle and the second wheel flange are held, first wheel flange is mounted in first through hole, and the second wheel flange is mounted in the second through-hole, institute
It states bending disk and is equipped with heating wire and bending slot far from the side of Transport disc, heating wire is fixedly mounted on bending disk, described curved
The inner surface of folding slot is in the cambered surface being bonded with outer surface of pipe fittings;It further include control mechanism, the control mechanism includes singly opening dual control
Switch, the first circuit and second circuit, first wheel flange are the first electromagnet that can attract pipe fitting, and the second wheel flange is
The second electromagnet of pipe fitting can be attracted, described singly open is equipped with the first contact, the second contact and can be with first in double control switch
The switch cutter that contact is connected to the second contact, first contact are electrically connected with the first circuit, the second contact and second circuit electricity
Connection, first circuit are connect with the first electromagnet, and second circuit is connect with the second electromagnet.
2. pipe fitting bending device according to claim 1, which is characterized in that the power unit includes driving gear and band
The motor of dynamic driving gear rotation, the driving gear are engaged with gear ring, and driving gear is rotatably installed on bending disk.
3. pipe fitting bending device according to claim 2, which is characterized in that further include support ring, the support ring is fixed
It is mounted on bending disk, support ring and the second through-hole are coaxially disposed, and the outer wall sliding contact of the inner wall of gear ring and support ring.
4. pipe fitting bending device according to claim 3, which is characterized in that if being equipped between the support ring and gear ring
Dry milling pearl.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810078427.1A CN108296328B (en) | 2018-01-26 | 2018-01-26 | Pipe fitting bending device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810078427.1A CN108296328B (en) | 2018-01-26 | 2018-01-26 | Pipe fitting bending device |
Publications (2)
Publication Number | Publication Date |
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CN108296328A CN108296328A (en) | 2018-07-20 |
CN108296328B true CN108296328B (en) | 2019-03-26 |
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ID=62866399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810078427.1A Active CN108296328B (en) | 2018-01-26 | 2018-01-26 | Pipe fitting bending device |
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CN (1) | CN108296328B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112387828B (en) * | 2020-10-10 | 2022-08-26 | 陕西建工第九建设集团有限公司 | Device and method for accurately bending steel pipe by BIM robot |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4779436A (en) * | 1985-06-22 | 1988-10-25 | Rigobert Schwarze | Pipe bending machine for producing a marking on a pipe |
CN2485065Y (en) * | 2000-05-30 | 2002-04-10 | 颖霖机械工业股份有限公司 | Pipe-bending machine with control of precisive bending angle |
JP2005219059A (en) * | 2004-02-03 | 2005-08-18 | Sanyo Kikai:Kk | Reinforcing bar feeder of reinforcing bar bending machine |
CN201572829U (en) * | 2009-07-23 | 2010-09-08 | 陈虎声 | Bending tube forming equipment adding electromagnetic force |
CN103264076A (en) * | 2013-04-26 | 2013-08-28 | 中山大学 | Heat pipe bending method and heat pipe bending production device |
CN204523890U (en) * | 2015-04-09 | 2015-08-05 | 宁波北仑烨峰机械有限公司 | A kind of fully-automatic metal bending machine pusher |
CN206153672U (en) * | 2016-10-27 | 2017-05-10 | 晋江市伟业城金属制品有限公司 | Numerical control round trip flight saw cold cut machine |
CN106925642A (en) * | 2015-12-31 | 2017-07-07 | 天津市深呼吸自行车业有限公司 | A kind of automatic charging bending machine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10150154B2 (en) * | 2013-11-14 | 2018-12-11 | Robert Kyle Hughes, JR. | Tube bending machine with reversible clamp assembly |
-
2018
- 2018-01-26 CN CN201810078427.1A patent/CN108296328B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4779436A (en) * | 1985-06-22 | 1988-10-25 | Rigobert Schwarze | Pipe bending machine for producing a marking on a pipe |
CN2485065Y (en) * | 2000-05-30 | 2002-04-10 | 颖霖机械工业股份有限公司 | Pipe-bending machine with control of precisive bending angle |
JP2005219059A (en) * | 2004-02-03 | 2005-08-18 | Sanyo Kikai:Kk | Reinforcing bar feeder of reinforcing bar bending machine |
CN201572829U (en) * | 2009-07-23 | 2010-09-08 | 陈虎声 | Bending tube forming equipment adding electromagnetic force |
CN103264076A (en) * | 2013-04-26 | 2013-08-28 | 中山大学 | Heat pipe bending method and heat pipe bending production device |
CN204523890U (en) * | 2015-04-09 | 2015-08-05 | 宁波北仑烨峰机械有限公司 | A kind of fully-automatic metal bending machine pusher |
CN106925642A (en) * | 2015-12-31 | 2017-07-07 | 天津市深呼吸自行车业有限公司 | A kind of automatic charging bending machine |
CN206153672U (en) * | 2016-10-27 | 2017-05-10 | 晋江市伟业城金属制品有限公司 | Numerical control round trip flight saw cold cut machine |
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CN108296328A (en) | 2018-07-20 |
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Effective date of registration: 20240529 Address after: 210018 Building 1, Juhui garden, 108 Xuanwu Avenue, Xuanwu District, Nanjing, Jiangsu Province Patentee after: Nanjing Ruizhiqing Information Technology Co.,Ltd. Country or region after: China Address before: Factory A10, No. 221 Aluminum City Avenue, Xipeng Town, Jiulongpo District, Chongqing, 401326 Patentee before: CHONGQING ANBULUNSI TECHNOLOGY CO.,LTD. Country or region before: China |