CN106623517A - Hollow aluminum bar bending forming pneumatic device - Google Patents

Hollow aluminum bar bending forming pneumatic device Download PDF

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Publication number
CN106623517A
CN106623517A CN201710095384.3A CN201710095384A CN106623517A CN 106623517 A CN106623517 A CN 106623517A CN 201710095384 A CN201710095384 A CN 201710095384A CN 106623517 A CN106623517 A CN 106623517A
Authority
CN
China
Prior art keywords
plate
support board
hollow aluminum
buckle
aluminum strip
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.)
Granted
Application number
CN201710095384.3A
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Chinese (zh)
Other versions
CN106623517B (en
Inventor
王丽萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Yijia Technology Co., Ltd.
Original Assignee
Suzhou Nqi Network Communication Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Nqi Network Communication Ltd filed Critical Suzhou Nqi Network Communication Ltd
Priority to CN201710095384.3A priority Critical patent/CN106623517B/en
Publication of CN106623517A publication Critical patent/CN106623517A/en
Application granted granted Critical
Publication of CN106623517B publication Critical patent/CN106623517B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/002Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/008Bending sheet metal along straight lines, e.g. to form simple curves combined with heating or cooling of the bends

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a hollow aluminum bar bending forming pneumatic device. The hollow aluminum bar bending forming pneumatic device comprises a base plate, wherein a side plate is arranged on the base plate, a carrying plate and a limiting plate are arranged at the position, inward facing surface, of the side plate, magnetic suction plates are arranged on the carrying plate, a magnetic suction piece is arranged between the limiting plate and the carrying plate, an air cylinder is arranged on the base plate, a telescopic shaft is arranged at the upper part of the air cylinder, the lower end of the telescopic shaft is connected with the upper part of the air cylinder, a forming head is arranged at the upper end of the telescopic shaft, and the forming head is arranged between the magnetic suction plates; a mounting plate and a supporting plate are arranged on the base plate, a carrying plate and an electric heating plate are arranged between the mounting plate and the end part of the supporting plate, a temperature controller is arranged on the carrying plate, and the temperature controller is electrically connected with the electric heating plate. The hollow aluminum bar bending forming pneumatic device disclosed by the invention has the advantages that the two ends of a hollow aluminum bar can be firmly mounted, heating treatment also can be carried out on the hollow aluminum bar, the air cylinder can carry out expansion control on the forming head through the telescopic shaft, bending forming can be carried out on the middle part of the hollow aluminum bar by virtue of the forming head, and the forming operation efficiency on the hollow aluminum bar is greatly improved.

Description

A kind of hollow aluminum strip brake forming pneumatic means
Technical field
The present invention relates to a kind of pneumatic means, and in particular to a kind of hollow aluminum strip brake forming pneumatic means.
Background technology
With the aluminum products that rafifinal makes as raw material, Jing after tens road PROCESS FOR TREATMENTs, surfacing is smooth, does not aoxidize, Do not corrode, any impact is not produced on drier, effectively eliminate atomizating phenomenon, be a kind of new environment-friendly building materials product.It is hollow Aluminum strip is one of indispensable material of production double glazing, and its quality is directly connected to the using effect of double glazing, using year Limit and incubation and thermal insulation function.Its Main Function is to play that both sides or divided glass are evenly spaced in double glazing, is effectively propped up The effect of support.Will be with fine aluminium ingot as raw material, surface will be accomplished not aoxidize through processing, what anticorrosive and double glazing was used Other materials have excellent compatibility.The two ends of existing hollow aluminum strip are inconvenient to carry out clamping, the two ends to hollow aluminum strip Carry out magnetic and install inconvenient, it is low to carrying out forming operation efficiency in the middle part of hollow aluminum strip.
The content of the invention
It is an object of the invention to provide a kind of can firmly be installed to the two ends of hollow aluminum strip, can also be to hollow Aluminum strip is heated, and cylinder can carry out extension and contraction control by telescopic shaft to moulded head, can be to hollow by moulded head It is manually bent in the middle part of aluminum strip, the hollow aluminum strip for substantially increasing the efficiency for carrying out forming operation to hollow aluminum strip bends to Type pneumatic means.
For achieving the above object, the technical scheme is that:
A kind of hollow aluminum strip brake forming pneumatic means, including base plate, the side of base plate is provided with the first side plate, base plate it is another Side is provided with the second side plate, and the second side plate is arranged vertically with the first side plate;The internal of first side plate is provided with towards face position One support board and the first limiting plate, the first limiting plate is arranged on the top of the first support board, and the first support board is provided with the first magnetic Suction disc, is provided with the first magnetic adsorption plate between the first limiting plate and the first support board, the first limiting plate is provided with the first guide pipe, and first First is set with guide pipe and tunes axle, the first lower end for tuning axle is connected with the first magnetic adsorption plate, and the first upper end for tuning axle is Free end;The internal of second side plate is provided with the second support board and the second limiting plate towards face position, and the second support board is provided with Two magnetic plates, are provided with the second magnetic adsorption plate between the second support board and the second limiting plate, the second limiting plate is provided with the second guide pipe, Second is set with second guide pipe and tunes axle, the second lower end for tuning axle is connected with the second magnetic adsorption plate, and second tunes the upper of axle Hold as free end;Base plate is provided with cylinder, and the top of cylinder is provided with telescopic shaft, and the lower end of telescopic shaft is connected with the top of cylinder, The upper end of telescopic shaft is provided with moulded head, and moulded head is arranged between the first magnetic plate and the second magnetic plate;Base plate is provided with first The first support board and the first electric heating are provided between the end of installing plate and the first gripper shoe, the first installing plate and the first gripper shoe Plate, the first support board is provided with the first temperature controller, and the first temperature controller is arranged on the lower section of the first electric hot plate, the first temperature controller and One electric hot plate is electrical connection;Base plate is provided with the end of the second installing plate and the second gripper shoe, the second installing plate and the second gripper shoe The second electric hot plate and the second support board are provided between portion, the second support board is provided with the second temperature controller, and the second temperature controller is arranged on The lower section of the second electric hot plate, the second electric hot plate is to electrically connect with the second temperature controller.
Further, the base plate is provided with the first buckle and the second buckle, and the first buckle is arranged on the side of cylinder, the Two buckles are arranged on the opposite side of cylinder, and the end of the first buckle is provided with the first Button Block, and the end of the second buckle is provided with Two Button Blocks, the second Button Block and the first Button Block are arranged on the top of cylinder.
Further, the end of first side plate is provided with the first installing rack, and the end of the second side plate is provided with the second installation Frame, is provided with limiting plate between the second installing rack and the first installing rack, limiting plate is arranged on the top of moulded head.
Further, first upper end for tuning axle is provided with the first rotation ring.
Further, second upper end for tuning axle is provided with the second rotation ring.
The advantages of the present invention are:The first side plate can be supported with the second side plate by base plate, The first support board can be installed with the first limiting plate by the first side plate, can be to the second support board by the second side plate Installed with the second limiting plate;One end of pending hollow aluminum strip can be arranged on the first support board and first by user Between limiting plate, one end of hollow aluminum strip is adsorbed by the first magnetic plate and the first magnetic adsorption plate, can will be pending hollow The other end of aluminum strip is arranged between the second support board and the second limiting plate, is adsorbed by the second magnetic plate and the second magnetic adsorption plate The other end of hollow aluminum strip;Such that it is able to firmly be installed to the two ends of hollow aluminum strip, the first temperature controller can control first Electric hot plate realizes electrical heating, and the second temperature controller can control the second electric hot plate and realize electrical heating, such that it is able to enter to hollow aluminum strip Row heats, and cylinder can carry out extension and contraction control by telescopic shaft to moulded head, can be to hollow aluminum strip by moulded head Middle part is manually bent, and substantially increasing carries out the efficiency of forming operation to hollow aluminum strip.
Description of the drawings
Fig. 1 is the structural representation of hollow aluminum strip brake forming pneumatic means of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is further described.Following examples are only For clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
The technical scheme that the present invention is embodied as is:
As shown in figure 1, a kind of hollow aluminum strip brake forming pneumatic means, including base plate 11, the side of base plate 11 is provided with first Side plate 12, the opposite side of base plate 11 is provided with the second side plate 13, and the second side plate 13 is arranged vertically with the first side plate 12;First side The internal of plate 12 is provided with the first support board 14 and the first limiting plate 16 towards face position, and the first limiting plate 16 is arranged on the first loading The top of plate 14, the first support board 14 is provided with the first magnetic plate 15, is provided between the first limiting plate 16 and the first support board 14 First magnetic adsorption plate 17, the first limiting plate 16 is provided with the first guide pipe 18, is set with first in the first guide pipe 18 and tunes axle 19, First lower end for tuning axle 19 is connected with the first magnetic adsorption plate 17, and the first upper end for tuning axle 19 is free end;Second side plate 13 Internally the second support board 21 and the second limiting plate 23 are provided with towards face position, the second support board 21 is provided with the second magnetic plate 22, The second magnetic adsorption plate 24 is provided between second support board 21 and the second limiting plate 23, the second limiting plate 23 is provided with the second guide pipe 25, it is set with second in the second guide pipe 25 and tunes axle 26, the second lower end for tuning axle 26 is connected with the second magnetic adsorption plate 24, and second The upper end for tuning axle 26 is free end;Base plate 11 is provided with cylinder 28, and the top of cylinder 28 is provided with telescopic shaft 29, telescopic shaft 29 Lower end is connected with the top of cylinder 28, and the upper end of telescopic shaft 29 is provided with moulded head 30, and moulded head 30 is arranged on the first magnetic plate 15 Between the second magnetic plate 22;Base plate 11 is provided with the first installing plate 35 and the first gripper shoe 36, the first installing plate 35 and first The first support board 38 and the first electric hot plate 37 are provided between the end of gripper shoe 36, the first support board 38 is provided with the first temperature controller 39, the first temperature controller 39 is arranged on the lower section of the first electric hot plate 37, and the first temperature controller 39 is to electrically connect with the first electric hot plate 37;Bottom Plate 11 is provided with the second installing plate 40 and the second gripper shoe 41, is provided between the second installing plate 40 and the end of the second gripper shoe 41 Second electric hot plate 42 and the second support board 43, the second support board 43 is provided with the second temperature controller 44, and the second temperature controller 44 is arranged on The lower section of the second electric hot plate 42, the second electric hot plate 42 is to electrically connect with the second temperature controller 44;Base plate 11 is provided with the first buckle 31 With the second buckle 33, the first buckle 31 is arranged on the side of cylinder 28, and the second buckle 33 is arranged on the opposite side of cylinder 28, and first The end of buckle 31 is provided with the first Button Block 32, and the end of the second buckle 33 is provided with the second Button Block 34, the second Button Block 34 and One Button Block 32 is arranged on the top of cylinder 28;The end of the first side plate 12 is provided with the first installing rack 46, the end of the second side plate 13 The second installing rack 47 is provided with, limiting plate 45 is provided between the second installing rack 47 and the first installing rack 46, limiting plate 45 is arranged on into The top of type head 30;First upper end for tuning axle 19 is provided with the first rotation ring 20;Second upper end for tuning axle 26 is provided with the second rotation ring 27。
Hollow aluminum strip brake forming pneumatic means of the present invention, can be to the first side plate 12 and the second side plate 13 by base plate 11 It is supported, first support board 14 can be installed with the first limiting plate 16 by the first side plate 12, by the second side plate 13 can install to the second support board 21 with the second limiting plate 23;User can be by one end of pending hollow aluminum strip Between the first support board 14 and the first limiting plate 16, adsorbed by the first magnetic plate 15 and the first magnetic adsorption plate 17 hollow One end of aluminum strip, can by the other end of pending hollow aluminum strip be arranged on the second support board 21 and the second limiting plate 23 it Between, the other end of hollow aluminum strip is adsorbed by the second magnetic plate 22 and the second magnetic adsorption plate 24;Such that it is able to hollow aluminum strip Two ends are firmly installed, and the first temperature controller 39 can control the first electric hot plate 37 and realize electrical heating, and the second temperature controller 44 can be with Control the second electric hot plate 42 and realize electrical heating, such that it is able to heat to hollow aluminum strip, cylinder 28 passes through telescopic shaft 29 Extension and contraction control can be carried out to moulded head 30, can be to being manually bent in the middle part of hollow aluminum strip, significantly by moulded head 30 Improve carries out the efficiency of forming operation to hollow aluminum strip.
Wherein, base plate 11 is provided with the first buckle 31 and the second buckle 33, and the first buckle 31 is arranged on the side of cylinder 28, Second buckle 33 is arranged on the opposite side of cylinder 28, and the end of the first buckle 31 is provided with the first Button Block 32, the second buckle 33 End is provided with the second Button Block 34, and the second Button Block 34 and the first Button Block 32 are arranged on the top of cylinder 28;So can be to cylinder Firmly installed 28 both sides.
Wherein, the end of the first side plate 12 is provided with the first installing rack 46, and the end of the second side plate 13 is provided with the second installing rack 47, limiting plate 45 is provided between the second installing rack 47 and the first installing rack 46, limiting plate 45 is arranged on the top of moulded head 30;Institute It is spacing can be carried out to the movement of moulded head 30 by limiting plate 45.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art come Say, on the premise of without departing from the technology of the present invention principle, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (5)

1. a kind of hollow aluminum strip brake forming pneumatic means, including base plate(11), it is characterised in that:Base plate(11)Side on set There is the first side plate(12), base plate(11)Opposite side be provided with the second side plate(13), the second side plate(13)With the first side plate(12) It is arranged vertically;First side plate(12)Internal be provided with the first support board towards face position(14)With the first limiting plate(16), the One limiting plate(16)It is arranged on the first support board(14)Top, the first support board(14)It is provided with the first magnetic plate(15), the One limiting plate(16)With the first support board(14)Between be provided with the first magnetic adsorption plate(17), the first limiting plate(16)It is provided with first to lead Xiang Guan(18), the first guide pipe(18)Inside it is set with first and tunes axle(19), first tunes axle(19)Lower end and the first magnetic Piece(17)Connection, first tunes axle(19)Upper end be free end;Second side plate(13)Internal be provided with second towards face position Support board(21)With the second limiting plate(23), the second support board(21)It is provided with the second magnetic plate(22), the second support board(21) With the second limiting plate(23)Between be provided with the second magnetic adsorption plate(24), the second limiting plate(23)It is provided with the second guide pipe(25), the Two guide pipes(25)Inside it is set with second and tunes axle(26), second tunes axle(26)Lower end and the second magnetic adsorption plate(24)Connection, Second tunes axle(26)Upper end be free end;
Base plate(11)It is provided with cylinder(28), cylinder(28)Top be provided with telescopic shaft(29), telescopic shaft(29)Lower end and gas Cylinder(28)Top connection, telescopic shaft(29)Upper end be provided with moulded head(30), moulded head(30)It is arranged on the first magnetic plate (15)With the second magnetic plate(22)Between;
Base plate(11)It is provided with the first installing plate(35)With the first gripper shoe(36), the first installing plate(35)With the first gripper shoe (36)End between be provided with the first support board(38)With the first electric hot plate(37), the first support board(38)It is provided with the first temperature control Device(39), the first temperature controller(39)It is arranged on the first electric hot plate(37)Lower section, the first temperature controller(39)With the first electric hot plate (37)For electrical connection;Base plate(11)It is provided with the second installing plate(40)With the second gripper shoe(41), the second installing plate(40)With Two gripper shoes(41)End between be provided with the second electric hot plate(42)With the second support board(43), the second support board(43)It is provided with Second temperature controller(44), the second temperature controller(44)It is arranged on the second electric hot plate(42)Lower section, the second electric hot plate(42)With second Temperature controller(44)For electrical connection.
2. hollow aluminum strip brake forming pneumatic means according to claim 1, it is characterised in that:Base plate(11)It is provided with One buckle(31)With the second buckle(33), the first buckle(31)It is arranged on cylinder(28)Side, the second buckle(33)It is arranged on Cylinder(28)Opposite side, the first buckle(31)End be provided with the first Button Block(32), the second buckle(33)End on set There is the second Button Block(34), the second Button Block(34)With the first Button Block(32)It is arranged on cylinder(28)Top.
3. hollow aluminum strip brake forming pneumatic means according to claim 1, it is characterised in that:First side plate(12)End Portion is provided with the first installing rack(46), the second side plate(13)End be provided with the second installing rack(47), the second installing rack(47)With One installing rack(46)Between be provided with limiting plate(45), limiting plate(45)It is arranged on moulded head(30)Top.
4. hollow aluminum strip brake forming pneumatic means according to claim 1, it is characterised in that:First tunes axle(19)'s Upper end is provided with the first rotation ring(20).
5. hollow aluminum strip brake forming pneumatic means according to claim 1, it is characterised in that:Second tunes axle(26)'s Upper end is provided with the second rotation ring(27).
CN201710095384.3A 2017-02-22 2017-02-22 A kind of hollow aluminum strip brake forming pneumatic device Expired - Fee Related CN106623517B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710095384.3A CN106623517B (en) 2017-02-22 2017-02-22 A kind of hollow aluminum strip brake forming pneumatic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710095384.3A CN106623517B (en) 2017-02-22 2017-02-22 A kind of hollow aluminum strip brake forming pneumatic device

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CN106623517A true CN106623517A (en) 2017-05-10
CN106623517B CN106623517B (en) 2018-05-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107214216A (en) * 2017-07-05 2017-09-29 马鞍山市佳士达锻压机床厂 A kind of engine carries the numerical control bender of temperature control defencive function
CN107597937A (en) * 2017-10-26 2018-01-19 苏州特鑫精密电子有限公司 A kind of Hardware fitting hot pressing pre-profiling device
CN113020338A (en) * 2021-03-05 2021-06-25 江苏麦斯铁机械有限公司 Servo follow-up material supporting mechanism of bending machine
CN116786643A (en) * 2022-03-04 2023-09-22 赵健 Aluminum profile bending and forming system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558380A (en) * 1978-07-06 1980-01-21 Toshiba Corp Frame member bending device
JPS6123524A (en) * 1984-07-12 1986-02-01 Sanko Metal Ind Corp Ltd Bending work machine for board for building
CN2269910Y (en) * 1995-12-01 1997-12-10 深圳市大金专冷气机电设备有限公司 Multipurpose plate bending machine
JP2007301584A (en) * 2006-05-09 2007-11-22 Toyota Motor Corp Initial setup method of bending apparatus, and bending apparatus
CN204194508U (en) * 2014-11-17 2015-03-11 金岳(天津)金属制品有限公司 A kind of portable right-angle elbow pipe machine
CN104589101A (en) * 2015-01-06 2015-05-06 阜阳市鼎铭汽车配件制造有限公司 Rear support beam assembly drilling fixture
CN104942088A (en) * 2015-06-27 2015-09-30 江苏金铁人自动化科技有限公司 Automatic bending and taking device for wire penetrating groove cover
CN105170718A (en) * 2015-09-14 2015-12-23 苏州市宝玛数控设备有限公司 Numerical control plate bending machine
CN106001191A (en) * 2016-07-21 2016-10-12 深圳市海盾五金工具有限公司 Bending device for processing parts for electrical equipment
CN205763160U (en) * 2016-05-26 2016-12-07 象山赛柏斯智能科技有限公司 A kind of circular plate compression molding device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558380A (en) * 1978-07-06 1980-01-21 Toshiba Corp Frame member bending device
JPS6123524A (en) * 1984-07-12 1986-02-01 Sanko Metal Ind Corp Ltd Bending work machine for board for building
CN2269910Y (en) * 1995-12-01 1997-12-10 深圳市大金专冷气机电设备有限公司 Multipurpose plate bending machine
JP2007301584A (en) * 2006-05-09 2007-11-22 Toyota Motor Corp Initial setup method of bending apparatus, and bending apparatus
CN204194508U (en) * 2014-11-17 2015-03-11 金岳(天津)金属制品有限公司 A kind of portable right-angle elbow pipe machine
CN104589101A (en) * 2015-01-06 2015-05-06 阜阳市鼎铭汽车配件制造有限公司 Rear support beam assembly drilling fixture
CN104942088A (en) * 2015-06-27 2015-09-30 江苏金铁人自动化科技有限公司 Automatic bending and taking device for wire penetrating groove cover
CN105170718A (en) * 2015-09-14 2015-12-23 苏州市宝玛数控设备有限公司 Numerical control plate bending machine
CN205763160U (en) * 2016-05-26 2016-12-07 象山赛柏斯智能科技有限公司 A kind of circular plate compression molding device
CN106001191A (en) * 2016-07-21 2016-10-12 深圳市海盾五金工具有限公司 Bending device for processing parts for electrical equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107214216A (en) * 2017-07-05 2017-09-29 马鞍山市佳士达锻压机床厂 A kind of engine carries the numerical control bender of temperature control defencive function
CN107597937A (en) * 2017-10-26 2018-01-19 苏州特鑫精密电子有限公司 A kind of Hardware fitting hot pressing pre-profiling device
CN113020338A (en) * 2021-03-05 2021-06-25 江苏麦斯铁机械有限公司 Servo follow-up material supporting mechanism of bending machine
CN116786643A (en) * 2022-03-04 2023-09-22 赵健 Aluminum profile bending and forming system

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Inventor after: Li Xiwu

Inventor before: Wang Liping

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Effective date of registration: 20180427

Address after: 523073 1 gold road, Nancheng District, Dongguan, Guangdong, 603 unit A1, Tianan Digital City, Dongguan.

Applicant after: Guangdong Yijia Technology Co., Ltd.

Address before: 215000 Room 102, D 102, Wuzhong Road, Wuzhong District Yuexi street, Suzhou, Jiangsu.

Applicant before: SUZHOU NQI NETWORK COMMUNICATION LTD.

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Granted publication date: 20180529

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