CN100423864C - Processing equipment and processing method for long U-shaped metal pipe - Google Patents
Processing equipment and processing method for long U-shaped metal pipe Download PDFInfo
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- CN100423864C CN100423864C CNB2005101018821A CN200510101882A CN100423864C CN 100423864 C CN100423864 C CN 100423864C CN B2005101018821 A CNB2005101018821 A CN B2005101018821A CN 200510101882 A CN200510101882 A CN 200510101882A CN 100423864 C CN100423864 C CN 100423864C
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 100
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- 238000010008 shearing Methods 0.000 claims abstract description 12
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Abstract
A processing device for a long U-shaped metal pipe comprises a controller, a rack, a driving part, a straightening mechanism, a feeding mechanism, a shearing mechanism, a pipe bending mechanism and a discharging mechanism, wherein the number of copper pipes fed in at one time is X, and X is an integer greater than one; a translation mechanism is further arranged above the rack and can swing left and right; the straightening mechanism, the feeding mechanism and the shearing mechanism swing left and right together with the translation mechanism, and stop when swinging to a left limit position or a right limit position, wherein the left limit position or the right limit position is two working positions of the straightening mechanism, the feeding mechanism and the shearing mechanism. By implementing the processing method of the long U-shaped pipe and the bending forming equipment thereof, the production mode of feeding twice and bending once is adopted to replace the existing production mode of feeding once and bending once, so that the processing time of each step is more reasonably distributed, and the production efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of process equipment and processing method thereof of improved U-shape metal pipe, be applicable to the processing of employed long U type copper pipe in the production process of products such as air-conditioner, refrigerator, refrigerator, be applicable to that also other fine steel tubes of processing or other metal tubes need the occasion of bending growth U type.
Background technology
In the production process of products such as air-conditioner, refrigerator, refrigerator, need to use the chief component of long U type copper pipe as the heat exchanger internal pipeline, according to the difference of product type size, it is long that long U type copper pipe cuts into the copper pipe of rolling 0.4-5 rice often, and Bending Processing forms again.Because production-scale requirement, the present production capacity of domestic electric type manufacturing enterprise is badly in need of improving constantly, and reduces production costs with this.The simple quantity that expands production site and increase streamline that relies on has not only strengthened cost, could realize but also need time enough.How being implemented on the existing basis, by the improvement to equipment, reaching the purpose of effectively utilizing production site, reducing labor strength, thereby improve the whole production efficiency and the convenience of operation, is the problem that producer presses for solution.In the prior art, generally all adopt the method for bending machine moulding to add section chief U type copper pipe, bending machine in the market can both once be sent many pipes of bending to, supposes that the pipe radical that can once send to is X, and X can be 6,7,8 ...Steps such as the process of long U type copper pipe generally will put in place through aligning, feeding, shearing, bending and molding in whole one action cyclic process, include only a feeding, a bending and molding.Concrete steps are as follows:
1) the copper mouth piece section of the X root being pulled out from the copper pipe volume by straightening mechanism is aligned simultaneously;
2) the long straight copper tube head of the X root section that will have been aligned by feed mechanism is sent in the equipment;
3) cut out the long straight copper tube of X root by cutting mechanism by Len req;
4) by the long straight copper tube growth of the described X root of pipe bending mechanism bending U type copper pipe;
5) by the shedding mechanism discharging;
6) each mechanism of equipment resets.
There are following several big drawbacks in the processing method of existing long U type copper pipe: production efficiency of equipment is not high, a working cycles can only be produced the long U pipe of X root (such as 6), hold facility a large amount of plant areas, when more massive production, raise the efficiency the radical that will increase bend pipe, need more equipment, the product of producing like that influences the quality of product because the difference of equipment causes consistency of product and stability not to be guaranteed.Because in the process of long U type copper pipe, the time ratio that bending is used is more, the time less that feeding is used, institute thinks and addresses the above problem, need equipment and processing method are improved, the time of each step processing is carried out rational allocation, reach the purpose of enhancing productivity.
Summary of the invention
In order to overcome deficiency of the prior art, the purpose of this invention is to provide a kind of process equipment of improved U-shape metal pipe, in the working cycles, the U-shape metal pipe of energy production twice radical does not need to increase equipment volume, can enhance productivity.
Another object of the present invention provides a kind of processing method of U-shape metal pipe, will carry out rational allocation the process time of each step, guarantees the uniformity and the stability of institute's converted products, has shortened the process time of unit product.
The object of the present invention is achieved like this: a kind of process equipment of U-shape metal pipe, include the controller that to control the action of each parts, be positioned at the below and play the frame of support fixation effect, be installed on a plurality of driver parts on the frame, drive respectively and be positioned at straightening mechanism above the frame, can send the feed mechanism and the cutting mechanism of many copper pipes simultaneously to by described a plurality of driver parts, the described copper pipe radical of once sending to is X, and then X is the integer greater than; Described frame top also is provided with pipe bending mechanism and shedding mechanism; Wherein, described frame top also is provided with translation mechanism, and described translation mechanism includes translation cylinder, translation slide rail and pan carriage, and described translation mechanism can swing; Described straightening mechanism, feed mechanism and cutting mechanism are installed on the described pan carriage, described straightening mechanism, feed mechanism and cutting mechanism and described translation mechanism together swing, stop when being rocked to a left side or limit on the right-right-hand limit position, a described left side or limit on the right-right-hand limit position are two operating positions of described straightening mechanism, feed mechanism and cutting mechanism.
A kind of processing method of U-shape metal pipe,
1) the straightening mechanism copper mouth piece section of the X root being pulled out from copper pipe volume in first operating position is aligned simultaneously;
2) the long straight copper tube head of the X root section that will have been aligned in first operating position by feed mechanism is sent in the equipment;
3) cut out X root long straight copper tube in first operating position by Len req by cutting mechanism;
4) described straightening mechanism, feed mechanism and cutting mechanism and described translation mechanism together move to second operating position;
5) straightening mechanism is aligned the copper mouth piece section that the X root is pulled out for the second time simultaneously in second operating position from the copper pipe volume;
6) the long straight copper tube head of the X root section that will have been aligned in second operating position by feed mechanism is sent in the equipment;
7) cut out X root long straight copper tube in second operating position by Len req by cutting mechanism;
8) by the long straight copper tube growth of the described 2X root of bending forming mechanism bending U type copper pipe;
9) by the shedding mechanism discharging;
10) each mechanism of equipment resets.
Implement the processing method and the bending and molding equipment thereof of long U pipe of the present invention, owing to adopt the mode of production of a bending of twice feeding to replace the mode of production of a bending of a feeding of present main flow, make distribute more rationally the process time of each step, therefore production efficiency improves greatly, the assurance of the unanimity row of product and stability is relatively good in large-scale production, the quality of product improves greatly, and has saved plant area, has saved production cost greatly.Simultaneously simple and reasonable, can cut down finished cost.Can vigorously promote the use in manufacturing enterprises such as household electrical appliance.
Description of drawings
Accompanying drawing 1 is the structural representation of the process equipment of U-shape metal pipe of the present invention;
Accompanying drawing 2 is the plan structure schematic diagram of the process equipment of U-shape metal pipe of the present invention.
In the accompanying drawing: 1-frame, 2-translation cylinder, 3-translation slide rail, the 4-pan carriage, 5--straightening mechanism, 6-feed mechanism, 7-shears advance and retreat cylinder, 8-cutting mechanism, 9-metal pipe material, the 10-pipe bending mechanism, 11-rackwork, 12-bend pipe cylinder, the 13-shedding mechanism, 14-guide-bar mechanism, 15-dumping cylinder, 16-shears slide rail, 17-passage.
The specific embodiment
The process equipment of a kind of U type metal tube of the present invention, but be a kind of secondary or the bending machine equipment of bending and molding again after the feeding repeatedly.As shown in Figure 1, 2, include the controller 20 that to control the action of each parts, be positioned at the below and play the frame 1 of support fixation effect, be installed on a plurality of driver parts on the frame, drive respectively and be positioned at straightening mechanism 5, the feed mechanism 6 that can send many copper pipes simultaneously to and cutting mechanism 8 above the frame by described a plurality of driver parts, the described copper pipe radical of once sending to is X, and then X is the integer greater than; Described frame top also is provided with pipe bending mechanism 10 and shedding mechanism 13; Wherein, described frame top also is provided with translation mechanism, and described translation mechanism includes translation cylinder 2, translation slide rail 3 and pan carriage 4, and described translation mechanism can swing; Described straightening mechanism 5, feed mechanism 6 and cutting mechanism 8 are installed on the described pan carriage 4, described straightening mechanism 5, feed mechanism 6 and cutting mechanism 8 together swing with described translation mechanism, stop when being rocked to a left side or limit on the right-right-hand limit position, a described left side or limit on the right-right-hand limit position are two operating positions of described straightening mechanism 5, feed mechanism 6 and cutting mechanism 8.
The described controller of controlling each parts action is a kind of PLC Programmable Logic Controller 20.
As shown in Figure 1, 2, frame 1 is a basic part, and described frame 1 top is provided with the workbench of being made by thick flat board.
The flexible of bend pipe cylinder 12 can make the tooth bar in the rackwork 11 slide; Tooth bar in the rackwork 11 slides the gear in the pipe bending mechanism 10 is rotated, and can make the copper pipe in the pipe bending mechanism 10 curve the U type like this in the semicircle die cavity of mould; Described equipment also comprises the guide-bar mechanism 14 that is installed on the frame 1, and the guide rod in the guide-bar mechanism 14 is corresponding to the fixed position of pipe bending mechanism 10.Reliable clamping when guaranteeing bending, copper pipe be with a curved mould, total 2X curved mould, and each curved mould disposes a clamping cylinder.Crooked slewing equipment is promoted by the hydraulic oil cylinder driving tooth bar that is arranged in two sides and bends the gear that mould links, drive crooked slewing equipment rotation, rotary speed is by proportional valve control, crooked holder mould is contained on the fixed head by two hydraulic oil cylinder driving, but charging or discharging when the holder mould descends, auxiliary curved mould was finished bend pipe when template rose.
Described equipment also includes 2X root passage 17, the X root passage of the X root copper pipe correspondence of sending to for the first time and the corresponding X root passage space of sending to for the second time of X root copper pipe, described passage 17 is between cutting mechanism 8 and pipe bending mechanism 10, described passage 17 links to each other with pipe bending mechanism 10, metal pipe material 9 guiding can be entered pipe bending mechanism 10, for the ease of docking with metal pipe material 9, the entry design of passage 17 is horn-like.
The bending and molding equipment that adds section chief U pipe also comprises gantry bin, has expected checkout gear, feeding fast change slow with put in place all with inductive switch detection, core-pulling device, mandrel oil spray device, long U length of tube adjusting device, safe light curtain, Hydraulic Station etc.
Gantry bin can vertically be pulled out material from no axle center coiled material (traverse), and each flat copper tube material is led the position by polyethylene pipe.
Expected that checkout gear adopts optoelectronic switch to detect, and is arranged in the full circle coalignment.
Feeding is changeed slow soon and is put in place and all detect with inductive switch.
Discharging, loose core, mandrel oil spray device: after the copper pipe bending was finished, under the bending die clamped condition, movable mandrel withdrawed from position, crooked point of contact by hydraulic oil cylinder driving, discharging then, leading screw drives the discharging seat fast forward by oil motor, unloads long U pipe.What link with movable mandrel is the connecting rod that a usefulness heavy wall cold-drawing seamless pipe is made, and oil mist lubricator and distributor are housed on the machine, and through the aperture on the connecting rod, inwall oil spray behind the mold cramping copper pipe and when crooked is to guarantee bending quality by distributor.
Long U length of tube adjusting device: when the length of tube specification changes, should adjust by length adjuster, length adjuster has following a few part:
1. position length adjusting device: be used for adjusting the length of crooked back workpiece, it uses the handwheel adjustment, changes the type pipe that copper pipe discharging cover position bends different length by rack-and-pinion.
2. the adjusting device of copper pipe Cutting Length: in order to realize the adjustment of copper pipe Cutting Length, this equipment is arranged into cutting machine and bending machine respectively on two frames, cutting machine maintains static in the longitudinal direction, bending machine is placed on the track of base, motor-driven leading screw by Frequency Converter Control is regulated length, and leading screw one end connects rotary encoder control length, when needs change the Cutting Length of copper pipe, can regulate automatically according to preseting length, but also crawl carries out accurate sizing at a slow speed.
3. guide frame, material receiver adjusting device: according to the pipe different length, equipment is furnished with the guide frame of different length.Material receiver is by hydraulic oil cylinder driving, and the arm that connects material is contained on the major axis, and the arm that connects material can slide along major axis, changes the distance between the arm that connects material, or the number that increases the arm that connects material can satisfy connecting material of different length workpiece.
Safe light curtain is equipped with in the equipment both sides.
Hydraulic Station is arranged in the cutting frame of frame-type, and complete machine length obtains certain shortening.
The processing method of a kind of U-shape metal pipe provided by the invention is:
1) the straight mechanism copper mouth piece section of the X root being pulled out from the copper pipe volume in first operating position is aligned simultaneously;
2) the long straight copper tube head of the X root section that will have been aligned in first operating position by feed mechanism is sent in the equipment;
3) cut out X root long straight copper tube in first operating position by Len req by cutting mechanism;
4) described straightening mechanism, feed mechanism and cutting mechanism and described translation mechanism together move to second operating position;
5) straightening mechanism is aligned the copper mouth piece section that the X root is pulled out for the second time simultaneously in second operating position from the copper pipe volume;
6) the long straight copper tube head of the X root section that will have been aligned in second operating position by feed mechanism is sent in the equipment;
7) cut out X root long straight copper tube in second operating position by Len req by cutting mechanism;
8) by the long straight copper tube growth of the described 2X root of pipe bending mechanism bending U type copper pipe;
9) by the shedding mechanism discharging;
10) each mechanism of equipment resets.
The above-mentioned the 3rd) and the 1st) before the step, need compress copper pipe to be sheared.
The concrete course of work is as follows:
The first step: when needs add man-hour, at first copper pipe is penetrated straightening mechanism 5, pass feed mechanism 6 again, pass cutting mechanism 8 again;
Second step: the PLC Programmable Logic Controller sends signal, and feed mechanism is started working, and makes copper pipe pass pipe bending mechanism 10, and pierces on the guide rod in the guide-bar mechanism 14, and behind assigned address, feed mechanism 6 stops;
The 3rd step: shear 7 actions of advance and retreat cylinder simultaneously, the extreme position that cutting mechanism 8 is arrived away from feed mechanism 6, copper pipe is sheared in cutting mechanism 8 work; Shear back shearing advance and retreat cylinder 7 and reset, cutting mechanism 8 is return;
The 4th step: feed mechanism 6 counter-rotatings simultaneously make copper pipe return certain size;
The 5th step: translation cylinder 2 action, make pan carriage 4 move on to another extreme position both on second operating position, straightening mechanism 5, feed mechanism 6, cutting mechanism 8 are also driven on second operating position;
The 6th step: feed mechanism 6 work, the process of copper pipe was sent in repetition last time to;
The 7th step: after delivering to the position, cutting mechanism 8 work;
The 8th step: copper pipe is stepped back;
The 9th step: 12 work of bend pipe cylinder, drive rackwork 11 and move, thereby the gear in the pipe bending mechanism 10 is rotated, pipe bending mechanism 10 beginning bending copper pipes, after bend pipe cylinder 12 was gone to extreme position, bend pipe was finished;
The tenth step: dumping cylinder 15 work, shedding mechanism 13 is moved, take the copper pipe of rolling well out of;
The 11 step: dumping cylinder 15 resets, and bend pipe cylinder 12 resets simultaneously, thereby pipe bending mechanism 10 is resetted, and a work period finishes.
Wherein, to start working and adopt friction feeding style, its version be that cylinder is pressed band feeding synchronously to feed mechanism.Every group has an independently cylinder synchronously, cylinder compresses synchronous band during feeding, the tight copper pipe friction of upper and lower two synchronous strap clamps feeding, feeding is when the position, feeding speed is slow by fast commentaries on classics, is with clamping cylinder to forward low pressure to by high pressure synchronously, and which root copper pipe puts in place fully, the cylinder decompression of pressing this group is to avoid copper pipe friction bending.Hydraulic system is the speed of proportional valve control oil motor, easily realize feeding by the work tempo of (starting) at a slow speed → fast → (put in place) at a slow speed to guarantee the quality of high efficiency and workpiece.
Above-mentioned listed specific implementation is nonrestrictive, concerning the person skilled in the art of this area, is not departing from the scope of the invention, can carry out various improvement and variation.For example, the specific implementation of each mechanism and the type of drive of each mechanism all can be selected for use in existing mechanical equipment.
Claims (17)
1. the process equipment of a U-shape metal pipe, include the controller that to control the action of each parts, be positioned at the below and play the frame of support fixation effect, be installed on a plurality of driver parts on the frame, drive respectively and be positioned at straightening mechanism above the frame, can send the feed mechanism and the cutting mechanism of many copper pipes simultaneously to by described a plurality of driver parts, the described copper pipe radical of once sending to is X, and then X is the integer greater than; Described frame top also is provided with pipe bending mechanism and shedding mechanism; It is characterized in that described frame top also is provided with translation mechanism, described translation mechanism includes translation cylinder, translation slide rail and pan carriage, and described translation mechanism can swing; Described straightening mechanism, feed mechanism and cutting mechanism are installed on the described pan carriage, described straightening mechanism, feed mechanism and cutting mechanism and described translation mechanism together swing, stop when being rocked to a left side or limit on the right-right-hand limit position, a described left side or limit on the right-right-hand limit position are two operating positions of described straightening mechanism, feed mechanism and cutting mechanism.
2. the process equipment of U-shape metal pipe according to claim 1 is characterized in that, described frame (1) top is provided with the workbench of being made by thick flat board.
3. the process equipment of U-shape metal pipe according to claim 1, it is characterized in that, described translation slide rail (3) includes slide block and chute is formed, described slide block is fixedly mounted on the frame (1), the chute of translation slide rail (3) is a movable part, be installed on the pan carriage (4), described chute is stuck on the slide block and horizontally slips; Translation cylinder (2) is a cylinder, and described translation cylinder (2) links to each other with carrying compressed-air actuated pipeline.
4. the process equipment of U-shape metal pipe according to claim 1, it is characterized in that, described straightening mechanism (5) is installed on the pan carriage (4), and described straightening mechanism (5) includes X cover aligning wheel component, and the described aligning wheel component of every cover includes 2 rounding wheels and 8 alignment wheels; Alignment wheel arranged crosswise is on two inclined-planes with horizontal plane angle at 45.
5. the process equipment of U-shape metal pipe according to claim 1 is characterized in that, described feed mechanism (6) is installed on the pan carriage (4); Described feed mechanism (6) is equipped with for every copper pipe: separate cylinders and upper and lower synchronous band.
6. the process equipment of U-shape metal pipe according to claim 1, it is characterized in that, described cutting mechanism (8) includes and shears slide rail (16), shears advance and retreat cylinder (7), X cover blade part and cutter head drive motors, the slide block of shearing slide rail (16) is installed on the pan carriage (4), the chute of shearing slide rail (16) is installed on the cutting mechanism (8), an end of shearing advance and retreat cylinders (7) is installed on the frame (1), and the other end is installed on the cutting mechanism (8); Described blade part includes outer hobboing cutter, angular contact ball bearing, push broach seat and is with synchronously, and described push broach seat is provided with eccentric shaft.
7. the process equipment of U-shape metal pipe according to claim 6 is characterized in that, described cutting mechanism (8) includes the frequency converter that can control the cutter head drive motors.
8. the process equipment of U-shape metal pipe according to claim 1 is characterized in that, described pipe bending mechanism (10) is fixed on the frame (1); Described pipe bending mechanism (10) includes bend pipe cylinder (12), rackwork (11), gear and bend pipe mould; Described rackwork (11) is installed on the frame (1); One end of described bend pipe cylinder (12) is fixed on the rackwork (11), and the other end is fixed on the frame (1).
9. the process equipment of U-shape metal pipe according to claim 8 is characterized in that, described bend pipe mould is made up of crooked clamping device, crooked slewing equipment, several parts of crooked holder mould ascending, descending; The crooked clamping device leading-in end of bend pipe mould is provided with 2 times of X quantity through holes, 2X root copper pipe stretches in the described through hole, X through hole of the X root copper pipe correspondence of sending to for the first time and X the corresponding through hole space of sending to the second time of X root copper pipe, the crooked slewing equipment of described bend pipe mould also is provided with and the consistent semicircle die cavity of U type pipe bending shape.
10. the process equipment of U-shape metal pipe according to claim 8 is characterized in that, described equipment also comprises the guide-bar mechanism (14) that is installed on the frame (1), and the guide rod in the described guide-bar mechanism (14) is corresponding to the fixed position of pipe bending mechanism (10).
11. the process equipment of U-shape metal pipe according to claim 1, it is characterized in that, described equipment also includes 2X root passage (17), the X root passage of the X root copper pipe correspondence of sending to for the first time and the corresponding X root passage space of sending to for the second time of X root copper pipe, described passage (17) is positioned between cutting mechanism (8) and the pipe bending mechanism (10), described passage (17) links to each other with pipe bending mechanism (10), and the inlet of described passage (17) is horn-like.
12. the process equipment of U-shape metal pipe according to claim 10 is characterized in that, described shedding mechanism (13) is installed on the frame, includes: dumping cylinder (15) and push pedal.
13. the process equipment of U-shape metal pipe according to claim 12 is characterized in that, the described controller of controlling each parts action is a kind of PLC Programmable Logic Controller.
14. one kind is used the method for the process equipment processing U-shape metal pipe of U-shape metal pipe as claimed in claim 13 to be:
1) the copper mouth piece section of in first operating position X root being pulled out from the copper pipe volume by described straightening mechanism is aligned simultaneously;
2) the long straight copper tube head of the X root section that will have been aligned in first operating position by described feed mechanism is sent in the described equipment;
3) cut out X root long straight copper tube in first operating position by Len req by described cutting mechanism;
4) described straightening mechanism, feed mechanism and cutting mechanism and described translation mechanism together move to second operating position;
5) described straightening mechanism is aligned the copper mouth piece section that the X root is pulled out for the second time simultaneously in second operating position from the copper pipe volume;
6) the long straight copper tube head of the X root section that will have been aligned in second operating position by described feed mechanism is sent in the equipment;
7) cut out X root long straight copper tube in second operating position by Len req by described cutting mechanism;
8) by the long straight copper tube growth of the described 2X root of described pipe bending mechanism bending U type copper pipe;
9) by described shedding mechanism discharging;
10) each mechanism of equipment resets.
15. the processing method of U-shape metal pipe according to claim 14 is characterized in that, the concrete course of work comprises the steps:
The first step: when needs add man-hour, at first copper pipe is penetrated described straightening mechanism (5), pass described feed mechanism (6) again, pass described cutting mechanism (8) again;
Second step: the PLC Programmable Logic Controller sends signal, and described feed mechanism is started working, and makes copper pipe pass described pipe bending mechanism (10), and pierces on the guide rod in the described guide-bar mechanism (14), and behind assigned address, described feed mechanism (6) stops;
The 3rd step: shear advance and retreat cylinders (7) action simultaneously, make the extreme position of described cutting mechanism (8) arrival away from feed mechanism (6), copper pipe is sheared in cutting mechanism (8) work; Shear back shearing advance and retreat cylinders (7) and reset, cutting mechanism (8) is return;
The 4th step: described feed mechanism (6) counter-rotating simultaneously makes copper pipe return certain size;
The 5th step: described translation cylinder (2) action, making pan carriage (4) move on to another extreme position is on second operating position, straightening mechanism (5), feed mechanism (6), cutting mechanism (8) is also driven on second operating position;
The 6th step: described feed mechanism (6) work, the process of copper pipe was sent in repetition last time to;
The 7th step: after delivering to the position, described cutting mechanism (8) work;
The 8th step: copper pipe is stepped back;
The 9th step: described bend pipe cylinder (12) work, drive rackwork (11) and move, thereby the gear in the pipe bending mechanism (10) is rotated, pipe bending mechanism (10) beginning bending copper pipe, after bend pipe cylinder (12) was gone to extreme position, bend pipe was finished;
The tenth step: described dumping cylinder (15) work, shedding mechanism (13) is moved, take the copper pipe of rolling well out of;
The 11 step: described dumping cylinder (15) resets, and bend pipe cylinder (12) resets simultaneously, thereby pipe bending mechanism (10) is resetted, and a work period finishes.
16. the processing method of U-shape metal pipe according to claim 15 is characterized in that, described feed mechanism is started working and adopted friction feeding style, its version is that cylinder is pressed band feeding synchronously; Every group has an independently cylinder synchronously, cylinder compresses synchronous band during feeding, the tight copper pipe friction of upper and lower two synchronous strap clamps feeding, feeding is when the position, feeding speed is slow by fast commentaries on classics, be with clamping cylinder to forward low pressure to synchronously, when copper pipe puts in place fully, press the cylinder decompression of this group by high pressure; Adopting the speed of proportional valve control hydraulic system oil motor, the work tempo of feeding serves as reasons at a slow speed → fast → at a slow speed.
17. the processing method of U-shape metal pipe according to claim 15, it is characterized in that, stretching of described bend pipe cylinder (12), the tooth bar that orders about in the described rackwork (11) slides, the gear that orders about in the described pipe bending mechanism (10) rotates, and the copper pipe in the described pipe bending mechanism (10) curves the U type in the semicircle die cavity of mould.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101018821A CN100423864C (en) | 2005-11-29 | 2005-11-29 | Processing equipment and processing method for long U-shaped metal pipe |
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| CNB2005101018821A CN100423864C (en) | 2005-11-29 | 2005-11-29 | Processing equipment and processing method for long U-shaped metal pipe |
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| CN1978087A CN1978087A (en) | 2007-06-13 |
| CN100423864C true CN100423864C (en) | 2008-10-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012075888A1 (en) * | 2010-12-09 | 2012-06-14 | 中山市奥美森工业有限公司 | Long u-shape pipe bending machine |
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| CN104815886A (en) * | 2014-12-16 | 2015-08-05 | 芜湖美威包装品有限公司 | Condenser copper tube processing and forming assembly |
| CN107952905A (en) * | 2017-11-22 | 2018-04-24 | 奥美森智能装备股份有限公司 | A kind of method of long U bending machines bend pipe |
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