CN109108119A - A kind of controllable bending device for automobile air-conditioning pipe - Google Patents

A kind of controllable bending device for automobile air-conditioning pipe Download PDF

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Publication number
CN109108119A
CN109108119A CN201810916647.7A CN201810916647A CN109108119A CN 109108119 A CN109108119 A CN 109108119A CN 201810916647 A CN201810916647 A CN 201810916647A CN 109108119 A CN109108119 A CN 109108119A
Authority
CN
China
Prior art keywords
bending
air
pipeline
machine
pipe
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.)
Withdrawn
Application number
CN201810916647.7A
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Chinese (zh)
Inventor
徐敏利
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.)
Song Xinqiang
Original Assignee
Song Xinqiang
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 Song Xinqiang filed Critical Song Xinqiang
Priority to CN201810916647.7A priority Critical patent/CN109108119A/en
Publication of CN109108119A publication Critical patent/CN109108119A/en
Withdrawn legal-status Critical Current

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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
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/06Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
    • B21D7/063Pliers with forming dies
    • 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
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning 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
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/006Feeding elongated articles, such as tubes, bars, or profiles
    • 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
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers

Abstract

The invention discloses a kind of controllable bending devices for automobile air-conditioning pipe, including air-conditioner pipe pallet, Power Component is provided with below air-conditioner pipe pallet, the left end of air-conditioner pipe pallet is provided with telescopic machine, the lower end of telescopic machine is connected with telescopic rod, pipeline auxiliary clamp ring is provided on telescopic rod, the lower end of pipeline auxiliary clamp ring is provided at least one manipulator that bends, the lower-left end of air-conditioner pipe pallet is provided with horizontal bending machine, the right end of horizontal bending machine is provided with vertical bending machine, the present invention utilizes automation feeder equipment, greatly reduce artificial participation, it is horizontally and vertically bended using satisfaction in fact using the cooperation of horizontal bending machine and vertical bending machine, the design of clamp ring is assisted to guarantee that pipeline is able to carry out preparatory alignment before bending by pipeline, and reasonable fulcrum force can be provided for the process of bending, utilize the machinery that bends Hand, guarantee bend process stabilization it is accurate, the quality of bending of raising.

Description

A kind of controllable bending device for automobile air-conditioning pipe
Technical field
The present invention relates to automobile air-conditioning pipe technical field, specially a kind of controllable bending device for automobile air-conditioning pipe.
Background technique
The equipment or more that automobile air-conditioning pipe needs, electric tube cutter, hold last molding machine (rotation ditch, heading, gear hobbing etc.), Bending machine, buckle machine, leak detector, have it is some to be welded need aluminium to weld, cleaning machine, dryer, air-conditioning system includes, and compresses Machine, plastic casing, evaporator, heater, the condenser of aluminium;The pipeline of aluminium.The pelleter for needing to cook fin, also makees backplate The equipment of three machines one, the semi-automatic punching machine of large size that in addition group wants mainboard to punch, do header just with cutting machine just.It beats Bender has many advantages, such as that more function, structurally reasonable, easy to operate, conveniently moving, installation are quick.Machine is in addition to having bend pipe function Outside, moreover it is possible to used oil cylinder as hydraulic jack, for numerical controlled bending of pipe equipment have it is cheap, it is easy to use Feature, bending machine market occupies leading products position at home.CNC tube bending machine can carry out in the cold state a bending to tubing Radius (single mode) or the bending of the wound form of two bending radius (bimodulus), are widely used in the various pipes of the industries such as automobile, air-conditioning The bending of part and wire rod.Bending machine is mainly used for the plastic forming of pipe.
For example, application No. is 201611261509.7, the patent of invention of entitled car air-conditioner pipe bending device.
The inventive structure is simple, high degree of automation, and air-conditioner pipe automatic charging may be implemented, and bends and discharges, more existing Manual method high-efficient 80% or more, feeding and logistics can be made to realize quickly transmitting, cost of labor is reduced, using uniqueness It bends technology, the purpose of air-conditioner pipe rapid shaping may be implemented.
But existing car air-conditioner pipe bending device still has following defect:
Existing car air-conditioner pipe bending device can be realized automatic charging and bend, but bends and be also only that level side To bend, but existing air conditioning wind pipe does not need to bend only in horizontal direction, is also required to operation of bending in the vertical direction, And existing bending device does not take reasonable protection and fixation to cause the process of bending that may go out when bending to pipeline The case where now air-conditioner pipe is damaged.
Summary of the invention
In order to overcome the shortcomings of that prior art, the present invention provide a kind of dress that controllably bends for automobile air-conditioning pipe It sets, can effectively solve the problem of background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of controllable bending device for automobile air-conditioning pipe, including air-conditioner pipe pallet, the air-conditioner pipe pallet Lower section is provided with Power Component, and the left end of the air-conditioner pipe pallet is provided with telescopic machine, and the lower end of the telescopic machine is connected with Telescopic rod, pipeline auxiliary clamp ring is provided on the telescopic rod, and the lower end of the pipeline auxiliary clamp ring is provided at least one and beats Curved manipulator, the lower-left end of the air-conditioner pipe pallet are provided with horizontal bending machine, and the right end of the horizontal bending machine is provided with Vertical bending machine.
Further, several evenly distributed pipeline blocks, adjacent pipeline gear are provided on the air-conditioner pipe pallet Pipeline alignment groove is provided between block.
Further, the Power Component includes several transfer rollers, and the two sides up and down of the transfer roller are respectively connected with transmission Flywheel, a row of upper end is driven flywheel and one row of lower end is driven flywheel and passes through transmission chain link, the biography of two sides above and below right end Servo motor is provided between dynamic flywheel.
Further, the pipeline auxiliary clamp ring includes retaining ring ring side, and the retaining ring ring is evenly arranged with several cards on side Ring is provided with pipeline fixing port at the center of pipeline auxiliary clamp ring, is uniformly arranged that there are three locks in the pipeline fixing port Tight bar.
Further, the mechanical hand that bends includes having fixed footstock, and the upper end of the fixed footstock is connected with helix tube, The top of the helix tube is provided with rotating handle, and clamp arm, the spiral shell are respectively connected with below the left and right ends of the fixed footstock The bottom end of coil is connected with mobile locking bed, and the left and right ends of the mobile locking bed are respectively connected with sliding inserted link, the movement The lower end of locking bed is connected with compression bar, and the bottom end of the clamp arm is provided with base pressure bar.
Further, the horizontal bending machine includes actuating cylinder, and mounting plate, institute are provided on the right side of the actuating cylinder The right end for stating actuating cylinder is connected with telescopic piston, and the telescopic piston right end is connected with linear guide, the telescopic piston Front and rear sides are provided with stabilizing bracket, and the right end of the linear guide is connected with catch bar.
Further, the check lock lever includes pressure end, and the right end of the pressure end is connected with lock screw, the locking It is connected with gasket on the right side of screw, buffer spring is provided on the right side of the gasket, the right end of the buffer spring is connected with cunning Motion block is provided with pin hole on the sliding shoe, and the right end of the sliding shoe is connected with screw-threaded mounting stem.
Further, the side surface of base pressure bar described in the lower surface and the left and right sides of the compression bar is provided with one Layer non-slip mat.
Compared with prior art, the beneficial effects of the present invention are:
The present invention greatly reduces artificial participation by automation feeder equipment, bends using horizontal bending machine and vertically The cooperation of machine horizontally and vertically is bended using meeting in fact, assists the design guarantee pipeline of clamp ring can be into before bending by pipeline The preparatory alignment of row, and reasonable fulcrum force can be provided for the process of bending, using the manipulator that bends, not only guarantee to bend The stabilization of process is accurate, and can effective protection air-conditioner pipe to be bended, and effectively avoid the situation for bending excessive occur, Guarantee higher quality of bending.
Detailed description of the invention
Fig. 1 is overall structure of the present invention;
Fig. 2 is the structural schematic diagram that pipeline of the invention assists clamp ring;
Fig. 3 is check lock lever structural schematic diagram of the invention;
Fig. 4 is manipulator schematic perspective view of bending of the invention;
Fig. 5 is the structural schematic diagram of horizontal bending machine of the invention.
Figure label:
1- air-conditioner pipe pallet;2- Power Component;3- telescopic machine;4- pipeline assists clamp ring;5- bends manipulator;6- is horizontal Bending machine;The vertical bending machine of 7-;
101- pipeline block;102- pipeline alignment groove;
201- transfer roller;202- is driven flywheel;203- chain;204- servo motor;
301- telescopic rod;
401- retaining ring ring side;402- snap ring;403- pipeline fixing port;404- check lock lever;
501- fixes footstock;502- helix tube;503- rotating handle;504- clamp arm;505- moves locking bed;506- sliding Hole;507- slides inserted link;508- compression bar;509- base pressure bar;510- non-slip mat;
601- actuating cylinder;602- mounting plate;603- telescopic piston;604- linear guide;605- stabilizing bracket;606- is pushed Bar;
4041- pressure end;4042- lock screw;4043- gasket;4044- buffer spring;4045- sliding shoe;4046- spiral shell Line mounting rod;4047- pin hole.
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.
Embodiment
As shown in Figure 1, including air-conditioner pipe transport the present invention provides a kind of controllable bending device for automobile air-conditioning pipe Frame 1, the lower section of air-conditioner pipe pallet 1 are provided with Power Component 2, and the left end of air-conditioner pipe pallet 1 is provided with telescopic machine 3, stretch The lower end of machine 3 is connected with telescopic rod 301, and pipeline auxiliary clamp ring 4 is provided on telescopic rod 301, and the lower end of pipeline auxiliary clamp ring 4 is set It is equipped at least one manipulator 5 that bends, the lower-left end of air-conditioner pipe pallet 1 is provided with horizontal bending machine 6, horizontal bending machine 6 Right end is provided with vertical bending machine 7.
Specific implementation process of the invention is that air-conditioner pipe pallet 1 will be stored in air-conditioner pipe by the driving of Power Component 2 and be transported The air-conditioner pipe to be bended of defeated 1 upper end of frame transports at telescopic machine 3, and air-conditioner pipe is pushed to pipe using telescopic rod 301 by telescopic machine 3 It is fixed in road auxiliary clamp ring 4, then horizontal bending machine 6 needs to be arranged the manipulator 5 that bends at place of bending, if necessary Bending for vertical direction is carried out, then needing operation of being bended vertically after level is bended, and place of bending vertically can also be set Set the manipulator 5 that bends.It is noted that horizontal bending machine 6 is identical as vertical 7 equipment of bending machine, only placement location It is different, in order to distinguish them, marked with different names.
As shown in Figure 1, several evenly distributed pipeline blocks 101 are provided in the present invention on air-conditioner pipe pallet 1, it is adjacent Pipeline block 101 between be provided with pipeline alignment groove 102.
Pipeline alignment groove 102 on air-conditioner pipe pallet 1 not only fixes air-conditioner pipe but also air-conditioner pipe can be helped preliminary Alignment.
As shown in Figure 1, Power Component 2 includes several transfer rollers 201 in the present invention, the two sides up and down of transfer roller 201 connect It is connected to transmission flywheel 202, a row of upper end is driven flywheel 202 and one row of lower end is driven flywheel 202 and connects by chain 203 It connects, is provided with servo motor 204 between the transmission flywheel 202 of two sides above and below right end.
The process that Power Component 2 is driven is that the rotation of servo motor 204 drives 202 turns of flywheel of transmission with chain 203 It is dynamic, and then rotated with transfer roller 201, realize that transporting air-conditioning duct with air-conditioner pipe pallet 1 bends.
As shown in Fig. 2, pipeline auxiliary clamp ring 4 includes retaining ring ring side 401 in the present invention, it is uniformly arranged on retaining ring ring side 401 There are several snap rings 402, is provided with pipeline fixing port 403 at the center of pipeline auxiliary clamp ring 4, is uniformly set in pipeline fixing port 403 Check lock lever 404 there are three setting.
It is air-conditioning duct to be placed in pipeline fixing port 403 first, at this time pipeline that pipeline, which assists the clamping process of clamp ring 4, Check lock lever 404 in fixing port 403 belongs to retracted state, and after pipeline places, check lock lever 404 is inwardly squeezed, and fixes Pipeline.Retaining ring ring side 401 is by 402 clamping of snap ring.
As shown in figure 3, check lock lever 404 includes pressure end 4041 in the present invention, the right end of pressure end 4041 is connected with locking Screw 4042, the right side of lock screw 4042 are connected with gasket 4043, and the right side of gasket 4043 is provided with buffer spring 4044, delay The right end for rushing spring 4044 is connected with sliding shoe 4045, and pin hole 4047, the right end of sliding shoe 4045 are provided on sliding shoe 4045 It is connected with screw-threaded mounting stem 4046.
The compression of check lock lever 404 is telescopic machine 3 with retraction process, the gas in the either vertical bending machine 7 of horizontal bending machine Cylinder slides in pipeline auxiliary clamp ring 4 with sliding shoe 4045, passes through the stretching and compression of buffer spring 4044 in sliding process, Buffering effect is provided, pressure end 4041 can press against the surface of air-conditioner pipe when compressing, and fixed -piping is kept upright, wherein sliding shoe Pin hole 4047 on 4045 is to establish state for keep entire sliding shoe 4045.
As shown in figure 4, the manipulator 5 that bends in the present invention includes fixed footstock 501, the upper end connection of fixed footstock 501 There is helix tube 502, the top of helix tube 502 is provided with rotating handle 503, is all connected with below the left and right ends of fixed footstock 501 There is clamp arm 504, the bottom end of helix tube 502 is connected with mobile locking bed 505, and the left and right ends of mobile locking bed 505 are respectively connected with Inserted link 507 is slided, the lower end of mobile locking bed 505 is connected with compression bar 508, and the bottom end of clamp arm 504 is provided with base pressure bar 509.
The manipulator 5 that bends is the important component assisted with process of the invention of bending, not only guarantees the stable smart of process of bending It really, and being capable of effective protection air-conditioner pipe to be bended.The operation implementation process of manipulator 5 of bending is to pass through rotating handle in advance 503 regulate the height of fixed footstock 501, and air-conditioning duct is placed in the clamp arm 504 of the left and right sides at this time, need before bending to folder Arm 504 is fixed, when clamp arm 504 is fixed, it is only necessary to can thing with the rotation of rotating handle 503 using power device First rotating handle 503 is moved down with mobile locking bed 505, and when mobile locking bed 505 moves down, compression bar 508 is pushed, Sliding inserted link 507 moves in sliding eye 506 and makes left and right sides clamp arm 504 to contract at this time, and then reaches base pressure bar 509 squeeze the purpose of air-conditioning duct.It only needs to reversely rotate rotating handle 503 when needing to unload air-conditioning duct.
As shown in figure 4, the side surface of the base pressure bar 509 of the lower surface and the left and right sides of compression bar 508 is equal in the present invention It is provided with one layer of non-slip mat 510.
510 purpose of non-slip mat of the side surface setting of the base pressure bar 509 of the lower surface and left and right sides of compression bar 508 exists In protection air-conditioning duct, and avoid bending effect in the process wobble effects of bending.
As shown in figure 5, horizontal bending machine 6 includes actuating cylinder 601 in the present invention, the right side of actuating cylinder 601 is provided with Mounting plate 602, the right end of actuating cylinder 601 are connected with telescopic piston 603, and 603 right end of telescopic piston is connected with linear guide 604, the front and rear sides of telescopic piston 603 are provided with stabilizing bracket 605, and the right end of linear guide 604 is connected with catch bar 606.
The specific work process of bending machine is that actuating cylinder 601 works with telescopic piston 603, moves forward and backward, and needs to beat When curved, telescopic piston 603 travels forward, and pushes the extruded machinery that bends of catch bar 606 by the straight effect of leading of linear guide 604 The fixed air-conditioning duct of hand 5.The presence of manipulator 5 of bending not only avoids the shaking for the process of bending, but also effectively avoids bending The case where spending appearance guarantees higher quality of bending.
The advantage of the invention is that greatly reducing artificial participation using automation feeder equipment, utilizing horizontal bending machine Cooperation with vertical bending machine is horizontally and vertically bended using satisfaction in fact, assists the design of clamp ring to guarantee that pipeline is being beaten by pipeline It is able to carry out preparatory alignment before curved, and reasonable fulcrum force can be provided for the process of bending, using the manipulator that bends, no Only guarantee to bend process stabilization it is accurate, and can effective protection air-conditioner pipe to be bended, and effectively avoid bending excessively The case where occur, guarantee higher quality of bending.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (8)

1. a kind of controllable bending device for automobile air-conditioning pipe, it is characterised in that: including air-conditioner pipe pallet (1), the sky It adjusts and is provided with Power Component (2) below pipe pallet (1), the left end of the air-conditioner pipe pallet (1) is provided with telescopic machine (3), the lower end of the telescopic machine (3) is connected with telescopic rod (301), and pipeline auxiliary clamp ring is provided on the telescopic rod (301) (4), the lower end of pipeline auxiliary clamp ring (4) is provided at least one manipulator that bends (5), the air-conditioner pipe pallet (1) Lower-left end be provided with horizontal bending machine (6), the right end of the horizontal bending machine (6) is provided with vertical bending machine (7).
2. a kind of controllable bending device for automobile air-conditioning pipe according to claim 1, it is characterised in that: the air-conditioning It is provided with several evenly distributed pipeline blocks (101) on pipe pallet (1), is provided between adjacent pipeline block (101) Pipeline alignment groove (102).
3. a kind of controllable bending device for automobile air-conditioning pipe according to claim 1, it is characterised in that: the power Component (2) includes several transfer rollers (201), and the two sides up and down of the transfer roller (201) are respectively connected with transmission flywheel (202), on One row at end is driven flywheel (202) and one row of lower end is driven flywheel (202) and is connected by chain (203), above and below right end Servo motor (204) are provided between the transmission flywheel (202) of two sides.
4. a kind of controllable bending device for automobile air-conditioning pipe according to claim 1, it is characterised in that: the pipeline Assisting clamp ring (4) includes retaining ring ring side (401), is evenly arranged on retaining ring ring side (401) several snap rings (402), described It is provided with pipeline fixing port (403) at the center of pipeline auxiliary clamp ring (4), is evenly arranged in the pipeline fixing port (403) Three check lock levers (404).
5. a kind of controllable bending device for automobile air-conditioning pipe according to claim 1, it is characterised in that: described to bend Manipulator (5) includes fixed footstock (501), and the upper end of the fixed footstock (501) is connected with helix tube (502), the spiral shell The top of coil (502) is provided with rotating handle (503), is respectively connected with folder below the left and right ends of the fixed footstock (501) The bottom end of arm (504), the helix tube (502) is connected with mobile locking bed (505), the left and right of the mobile locking bed (505) Both ends are respectively connected with sliding inserted link (507), and the lower end of the mobile locking bed (505) is connected with compression bar (508), the clamp arm (504) bottom end is provided with base pressure bar (509).
6. a kind of controllable bending device for automobile air-conditioning pipe according to claim 1, it is characterised in that: the level Bending machine (6) includes actuating cylinder (601), is provided with mounting plate (602), the power on the right side of the actuating cylinder (601) The right end of cylinder (601) is connected with telescopic piston (603), and telescopic piston (603) right end is connected with linear guide (604), The front and rear sides of the telescopic piston (603) are provided with stabilizing bracket (605), and the right end of the linear guide (604) is connected with Catch bar (606).
7. a kind of controllable bending device for automobile air-conditioning pipe according to claim 4, it is characterised in that: the locking Bar (404) includes pressure end (4041), and the right end of the pressure end (4041) is connected with lock screw (4042), the locking screw It is connected with gasket (4043) on the right side of silk (4042), is provided with buffer spring (4044) on the right side of the gasket (4043), it is described The right end of buffer spring (4044) is connected with sliding shoe (4045), is provided with pin hole (4047), institute on the sliding shoe (4045) The right end for stating sliding shoe (4045) is connected with screw-threaded mounting stem (4046).
8. a kind of controllable bending device for automobile air-conditioning pipe according to claim 5, it is characterised in that: the press The side surface of base pressure bar (509) described in the lower surface and the left and right sides of bar (508) is provided with one layer of non-slip mat (510).
CN201810916647.7A 2018-08-13 2018-08-13 A kind of controllable bending device for automobile air-conditioning pipe Withdrawn CN109108119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810916647.7A CN109108119A (en) 2018-08-13 2018-08-13 A kind of controllable bending device for automobile air-conditioning pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810916647.7A CN109108119A (en) 2018-08-13 2018-08-13 A kind of controllable bending device for automobile air-conditioning pipe

Publications (1)

Publication Number Publication Date
CN109108119A true CN109108119A (en) 2019-01-01

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Application Number Title Priority Date Filing Date
CN201810916647.7A Withdrawn CN109108119A (en) 2018-08-13 2018-08-13 A kind of controllable bending device for automobile air-conditioning pipe

Country Status (1)

Country Link
CN (1) CN109108119A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615572A (en) * 1995-01-12 1997-04-01 Hunjohn, Inc. Hydraulic tube bender
CN103486185A (en) * 2013-09-13 2014-01-01 李振乾 Suspension locking device
CN104526710A (en) * 2014-12-11 2015-04-22 重庆舰帏机械有限公司 Clamping device of linkage type pipe fitting
CN105107895A (en) * 2015-07-23 2015-12-02 柳州易农科技有限公司 Air conditioner pipe bending machine
CN106764084A (en) * 2017-04-01 2017-05-31 莱芜钢铁集团有限公司 A kind of pipeline jig
CN207534678U (en) * 2017-10-26 2018-06-26 长兴同和纸管厂 A kind of paper tube processing clamping piece

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615572A (en) * 1995-01-12 1997-04-01 Hunjohn, Inc. Hydraulic tube bender
CN103486185A (en) * 2013-09-13 2014-01-01 李振乾 Suspension locking device
CN104526710A (en) * 2014-12-11 2015-04-22 重庆舰帏机械有限公司 Clamping device of linkage type pipe fitting
CN105107895A (en) * 2015-07-23 2015-12-02 柳州易农科技有限公司 Air conditioner pipe bending machine
CN106764084A (en) * 2017-04-01 2017-05-31 莱芜钢铁集团有限公司 A kind of pipeline jig
CN207534678U (en) * 2017-10-26 2018-06-26 长兴同和纸管厂 A kind of paper tube processing clamping piece

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