CN104492884B - A kind of tubing bending device - Google Patents
A kind of tubing bending device Download PDFInfo
- Publication number
- CN104492884B CN104492884B CN201410712517.3A CN201410712517A CN104492884B CN 104492884 B CN104492884 B CN 104492884B CN 201410712517 A CN201410712517 A CN 201410712517A CN 104492884 B CN104492884 B CN 104492884B
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- Prior art keywords
- bending
- tubing
- strip
- mould
- slot
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
- B21D7/085—Bending rods, profiles, or tubes by passing between rollers or through a curved die by passing through a curved die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, 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
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention relates to a kind of tubing bending device, including upper die and lower die, upper mould lower surface is provided with bending groove, it is provided with accommodating groove in the middle part of upper mould lower surface, it is provided with bar shaped accommodating groove in the middle part of upper mould lower surface, the front end face of upper mould, rear end face is equipped with end plate, end plate is equipped with strip through-hole, end plate lateral surface is connected to bending oil cylinder each through hinged mode, compression leg all it is connected with in strip through-hole, the lower end of the two ends of the compression leg corresponding axle being fixed on bending oil cylinder through two end plates respectively, the middle part of compression leg is cased with bending pinch roller, lower bending groove it is provided with in the middle part of counterdie upper surface, lower accommodating groove it is additionally provided with in the middle part of counterdie upper surface, it is provided with stretch oil cylinder in lower accommodating groove, the upper end of stretch oil cylinder is fixed with location pellet。The present invention step can be bent into the shape adopting existing equipment to need two steps or multistep just can be bent into by tubing, improves the automaticity of tubing bending device, has saved bending device, reduces bending cost。
Description
Technical field
The present invention relates to tubular object extruding equipment technical field, specifically a kind of tubing bending device。
Background technology
Answer the requirement of different use conditions, tubing is often bent to coil or plate-like, the device bending tubing in prior art is divided into manual and semi-automatic two kinds, manual tubing apparatus for bending is general such as pipe bender etc, Chinese patent if application number is ZL201320752571 discloses a kind of copper pipe pipe bender, bending apparatus is twisted in it clamping including being located on board, described clamping is twisted bending apparatus and is included being leaned part by what lean that screw bolt and nut forms, the left holder of copper pipe, comer pieces is twisted in right clamping, cylinder table, rotational sleeve, push arm and the fixing bar of copper pipe, nut and cylinder table are parallel respectively is fixed on board both sides, lean bolt traverse nut, its termination acts against on the left holder of copper pipe, right clamping is twisted comer pieces and is fixedly connected on cylinder table top, rotational sleeve movable set is in cylinder table bottom, push arm one end is fixed on rotational sleeve, the push arm other end is connected above the fixing bar of copper pipe in parallel。Treat that stubborn curved copper pipe one end is shelved on the left holder of copper pipe and joins in formation centre bore with the stubborn comer pieces conjunction of right clamping, screw and lean bolt and withstand the left holder of copper pipe and grip, the copper pipe other end is enclosed within the fixing bar of copper pipe, pull push arm, copper pipe twists the depression cambered surface bending of comer pieces around right clamping, twists and curves suitable camber。
But, manual pipe bender adopts artificial bending, and efficiency is low, and labor intensity is big, is unsuitable for producing bending in enormous quantities and uses。
The Chinese patent that application number is ZL2012103167568 discloses a kind of anti-bounce-back bending die, this anti-bounce-back bending die includes upper die and lower die, it is connected by guide pillar guide pin bushing between upper mould and counterdie, upper mould includes cope match-plate pattern, cope match-plate pattern is provided with upper male mould by top board, upper male mould is provided with the upper groove for clamping tubing, counterdie includes lower bolster, lower bolster is provided with lower cavity die by lower platen, described lower cavity die is provided with low groove, the side of upper mould is provided with push rod, the end of push rod is hinged with the reeded roller of band, it is protruding that upper groove and the low groove place of cooperating are provided with the circular arc in opposite direction with bend pipe。
But, the bending function of described anti-bounce-back bending die is single, only lay particular emphasis on anti-bounce-back, the bending automaticity of tubing can not be improved, it is impossible to make the complete molding of tubing, still need to lower a kind of bar folder and tubing is bent again, waste the production time, reduce production efficiency, and each bender side all still need to personnel carry out guarding and place, tubing of taking, waste human resources。
Summary of the invention
Be difficult to be difficult in a Bending Processing technical problem of bending forming to solve tubing, the present invention provides a kind of tubing bending device。
This invention address that its technical problem realizes by the following technical solutions:
A kind of tubing bending device, including upper die and lower die, described counterdie upper surface is gradually rise from left to right stepped, described upper mould lower surface is stepped with what counterdie upper surface coordinated, it is the semicircular upper bending groove for being bent by tubing from above that described upper mould lower surface is provided with through the cross section of the horizontally set of mould lower surface, it is provided with accommodating groove in the middle part of upper mould lower surface, longitudinal bar shaped accommodating groove of mould lower surface it is provided with through in the middle part of upper mould lower surface, the upper activity mat board slot of rectangle it is provided with on the right side of upper mould lower surface, it is provided with activity mat grillage in described upper activity mat board slot, described upper activity mat grillage includes lead, described lead upper end is connected to, through upper mould, the end block preventing lead from deviating from upper mould, the part that lead is positioned at below mould is cased with stage clip, lead lower end is fixed with top board, the lower surface of described top board is provided with the upper slot to make way holding tubing of arc, the front end face of described upper mould, rear end face is equipped with end plate, described end plate is equipped with strip through-hole, end plate lateral surface is connected to bending oil cylinder each through hinged mode, compression leg all it is connected with in described strip through-hole, the lower end of the two ends of the described compression leg corresponding axle being fixed on bending oil cylinder through two end plates respectively, the middle part of compression leg is cased with the bending pinch roller that can take in accommodating groove, when described compression leg moves from top to bottom in strip through-hole, described bending pinch roller moves also along the track of strip through-hole, the lower bending groove for holding tubing with upper bending slot fit it is provided with in the middle part of described counterdie upper surface, lower accommodating groove it is additionally provided with in the middle part of counterdie upper surface, lower activity mat board slot it is provided with on the left of counterdie upper surface, the lower activity mat grillage identical with upper movable pad shelf structure it is provided with in described lower activity mat board slot, described lower activity mat grillage includes upper surface and is provided with the lower platen of lower slot to make way, it is provided with stretch oil cylinder in described lower accommodating groove, the upper end of described stretch oil cylinder is fixed with for fixing tubing, it is easy to tubing bending forming and the location pellet that can take in lower accommodating groove。
Described upper slot to make way, lower slot to make way extend that track is corresponding respectively and the part of upper bending groove lowest point, the partially overlapping of lower bending groove highest point, when ensureing to be placed on lower bending groove and lower slot to make way tubing, tubing is in level, and can ensure that upper slot to make way and upper bending groove are pressed simultaneously against on tubing, avoid tubing to tilt when upper die and lower die inner bending, advantageously reduce tubing when bending owing to each several part is in different level causing the probability of happening of tubing tensile phenomenon simultaneously。
Described strip through-hole top is linear, and strip through-hole bottom is circular arc, and the shape of cross section of the strip through-hole part overlapping with upper mould and bar shaped accommodating groove coincides, in order to compression leg can be moved upward in bar shaped accommodating groove in strip through-hole。
The left end of described location pellet is circular arc, location pellet is provided with along positioning the concave arc that pellet left end is circumferentially disposed, the projection on end plate of the left end of location pellet is overlapping with the circular arc track of strip through-hole bottom, the side of described bending pinch roller is provided with No. two concave arcs, described location pellet with bending pinch roller with the use of, jointly tubing is clipped in a concave arc and No. two concave arcs, when bending pinch roller under the control moving compression leg along strip through-hole in time positioning pellet rolling compaction tubing, tubing will along No. two concave arc bending formings。
The invention has the beneficial effects as follows: present invention achieves and tubing is bent into given shape according to the shape of the upper bending groove preset in upper die and lower die and lower bending groove by tubing, compared with manual pipe bender, punching press bending is carried out owing to have employed mould, substantially increase bending efficiency, reduce labor intensity, save human cost；Compared with Snake-Shaped Tube Bending Machine structure, owing to being provided with the mechanism that tubing entirety is bent certain angle being positioned within bending device, a step can be bent into the shape adopting existing equipment to need two steps or multistep just can be bent into by tubing, improve the automaticity of tubing bending device, save bending device, reduce bending cost, the effect holding tubing is only played due to upper bending groove and lower bending groove, and the roughness of tubing is not had decisive influence, the precision more than bending groove and lower bending groove need not be too high, to reduce device fabrication cost further, so the multipair upper bending groove for bending tubing and lower bending groove also can be arranged in bending device, and increase bending pinch roller and the quantity of location pellet simultaneously, thus improving the bending efficiency of tubing further。
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described。
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the end plate removing side of the present invention and bends the front left side three-dimensional view after oil cylinder；
Fig. 3 is the end plate removing side of the present invention and bends the forward right side upward view after oil cylinder；
Fig. 4 is the end plate removing side of the present invention and bends the front view after oil cylinder；
Fig. 5 is the end plate removing side of the present invention and bends the left view after oil cylinder；
Fig. 6 is the three-dimensional view of the location pellet of the present invention；
Fig. 7 is the three-dimensional view of the upper mould of the present invention；
Fig. 8 is the three-dimensional view of the counterdie of the present invention；
Fig. 9 is the tubing of the present invention bending state figure when upper die and lower die compress completely；
Figure 10 is the state diagram after one end bending 180 ° of the tubing of the present invention。
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, the present invention is expanded on further。
As shown in Figures 1 to 10, a kind of tubing bending device, including upper mould 1 and counterdie 2, described counterdie 2 upper surface is gradually rise from left to right stepped, described upper mould 1 lower surface is stepped with what counterdie 2 upper surface coordinated, see Fig. 7, Fig. 8, it is the semicircular upper bending groove 3 for being bent by tubing 26 from above that described upper mould 1 lower surface is provided with through the cross section of the horizontally set of mould 1 lower surface, it is provided with accommodating groove 4 in the middle part of upper mould 1 lower surface, longitudinal bar shaped accommodating groove 5 of mould 1 lower surface it is provided with through in the middle part of upper mould 1 lower surface, the upper activity mat board slot 7 of rectangle it is provided with on the right side of upper mould 1 lower surface, it is provided with activity mat grillage 8 in described upper activity mat board slot 7。
As shown in Figure 3, described upper activity mat grillage 8 includes lead 9, described lead 9 upper end is connected to, through upper mould 1, the end block 10 preventing lead 9 from deviating from upper mould 1, lead 9 is positioned at the part below mould 1 and is cased with stage clip 11, lead 9 lower end is fixed with top board 12, and the lower surface of described top board 12 is provided with the upper slot to make way 13 holding tubing 26 of arc。
As shown in Figure 1, the front end face of described upper mould 1, rear end face is equipped with end plate 14, described end plate 14 is equipped with strip through-hole 15, end plate 14 lateral surface is connected to bending oil cylinder 16 each through hinged mode, described strip through-hole 15 top is linear, strip through-hole 15 bottom is circular arc, the shape of cross section of strip through-hole 15 part overlapping with upper mould 1 and bar shaped accommodating groove 5 coincides, compression leg 17 all it is connected with in strip through-hole 15, compression leg 17 can be moved upward in bar shaped accommodating groove 5 in strip through-hole 15, the lower end of the two ends of the described compression leg 17 corresponding axle being fixed on bending oil cylinder 16 through two end plates 14 respectively, the middle part of compression leg 17 is cased with bending pinch roller 18, when described compression leg 17 moves from top to bottom in strip through-hole 15, described bending pinch roller 18 moves also along the track of strip through-hole 15。
The lower bending groove 19 for holding tubing 26 coordinated with upper bending groove 3 it is provided with in the middle part of described counterdie 2 upper surface, see Fig. 8, lower accommodating groove 20 it is additionally provided with in the middle part of counterdie 2 upper surface, it is provided with lower activity mat board slot 22 on the left of counterdie 2 upper surface, in described lower activity mat board slot 22, is provided with the lower activity mat grillage 23 identical with upper activity mat grillage 8 structure。
Described lower activity mat grillage 23 includes upper surface and is provided with the lower platen 25 of lower slot to make way 24, described upper slot to make way 13, lower slot to make way 24 extend that track is corresponding respectively and the part of upper bending groove 3 lowest point, partially overlapping of lower bending groove 19 highest point, when ensureing to be placed on lower bending groove 19 and lower slot to make way 24 tubing 26, tubing 26 is in level, and can ensure that upper slot to make way 13 is pressed simultaneously against on tubing 26 with upper bending groove 3, tubing 26 is avoided to tilt when upper mould 1 and counterdie 2 inner bending, be conducive to avoiding tubing 26 to cause tubing 26 tensile phenomenon when bending owing to each several part is in different level simultaneously。
As shown in Figure 2 and Figure 4, it is provided with stretch oil cylinder 27 in described lower accommodating groove 20, the upper end of described stretch oil cylinder 27 is fixed with for fixing tubing 26, it is easy to the location pellet 28 of tubing 26 bending forming, the left end of described location pellet 28 is circular arc, location pellet 28 is provided with along positioning the concave arc 21 that pellet 28 left end is circumferentially disposed, the projection on end plate 14 of the left end of location pellet 28 is overlapping with the circular arc track of strip through-hole 15 bottom, the side of described bending pinch roller 18 is provided with No. two concave arcs 6, described location pellet 28 and bending pinch roller 18 with the use of, jointly tubing 26 is clipped in a concave arc 21 and No. two concave arcs 6, when bend pinch roller 18 under the control moving compression leg 17 along strip through-hole 15 around location pellet 28 rolling compaction tubing 26 time, tubing 26 will along No. two concave arc 6 bending formings。
Owing to the projection on end plate 14 of the left end of described location pellet 28 is overlapping with the circular arc track of strip through-hole 15 bottom, so when bending the pinch roller 18 circular arc track along strip through-hole 15 bottom and moving, the radiused edges of location pellet 28 left end walked around just by bending pinch roller 18, when being arranged with tubing 26 in the pellet 28 of location, tubing 26 can be bent by described bending pinch roller 18 along the track of location pellet 28 left end, thus can realize the purpose of tubing 26 overall bending certain angle。
The tubing course of processing in described upper die and lower die is: be first placed in lower bending groove by the right part of tubing suitable for a root length degree, the left part of tubing is placed in lower slot to make way, the part extending track and lower bending groove highest point due to lower slot to make way, so tubing laying state is level, go up mould afterwards to be downwardly against under the promotion of external driving device on tubing, after bending pipes, upper mould rises and resets, treat that mould rises to the distance of top board and upper intermode and no longer changes, namely when spring no longer extends, stretch oil cylinder promotes location pellet to follow mould by tubing upwards jack-up, then bending oil cylinder pushes down on compression leg simultaneously, described compression leg moves down along strip through-hole under the position-limiting action of strip through-hole, tubing is bent by described bending pinch roller along the radiused edges of location pellet left end, bending pinch roller is moved the underface to location pellet by the surface positioning pellet, tubing is bent 180 °, the two ends making tubing are positioned at the same side, in order to not interfere with tubing bending, location pellet is carried out unilateral support by described stretch oil cylinder, in the process, tubing is without departing from upper bending groove and upper slot to make way, ensure that tubing has support as much as possible, the tubing when bending pinch roller bending tubing is avoided to deviate from from the pellet of location。Tubing entirety bending angle is determined at the farthest roll-in track positioned on pellet according to bending pinch roller。
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described。Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention。Claimed scope is defined by appending claims and equivalent thereof。
Claims (4)
1. a tubing bending device, including upper die and lower die, described counterdie upper surface is gradually rise from left to right stepped, described upper mould lower surface is stepped with what counterdie upper surface coordinated, it is characterized in that: it is semicircular upper bending groove that described upper mould lower surface is provided with through the cross section of the horizontally set of mould lower surface, it is provided with accommodating groove in the middle part of upper mould lower surface, longitudinal bar shaped accommodating groove of mould lower surface it is provided with through in the middle part of upper mould lower surface, the upper activity mat board slot of rectangle it is provided with on the right side of upper mould lower surface, it is provided with activity mat grillage in described upper activity mat board slot, described upper activity mat grillage includes lead, described lead upper end is connected to end block through upper mould, the part that lead is positioned at below mould is cased with stage clip, lead lower end is fixed with top board, the lower surface of described top board is provided with the upper slot to make way of arc, the front end face of described upper mould, rear end face is equipped with end plate, described end plate is equipped with strip through-hole, end plate lateral surface is connected to bending oil cylinder each through hinged mode, compression leg all it is connected with in described strip through-hole, the lower end of the two ends of the described compression leg corresponding axle being fixed on bending oil cylinder through two end plates respectively, the middle part of compression leg is cased with bending pinch roller, the lower bending groove with upper bending slot fit it is provided with in the middle part of described counterdie upper surface, lower accommodating groove it is additionally provided with in the middle part of counterdie upper surface, lower activity mat board slot it is provided with on the left of counterdie upper surface, the lower activity mat grillage identical with upper movable pad shelf structure it is provided with in described lower activity mat board slot, described lower activity mat grillage includes upper surface and is provided with the lower platen of lower slot to make way, it is provided with stretch oil cylinder in described lower accommodating groove, the upper end of described stretch oil cylinder is fixed with location pellet。
2. a kind of tubing bending device according to claim 1, it is characterised in that: described upper slot to make way, lower slot to make way extend that track is corresponding respectively and the part of upper bending groove lowest point, the partially overlapping of lower bending groove highest point。
3. a kind of tubing bending device according to claim 1, it is characterised in that: described strip through-hole top is linear, and strip through-hole bottom is circular arc, and the shape of cross section of the strip through-hole part overlapping with upper mould and bar shaped accommodating groove coincides。
4. a kind of tubing bending device according to claim 3, it is characterized in that: the left end of described location pellet is circular arc, location pellet is provided with along positioning the concave arc that pellet left end is circumferentially disposed, the projection on end plate of the left end of location pellet is overlapping with the circular arc track of strip through-hole bottom, and the side of described bending pinch roller is provided with No. two concave arcs。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712517.3A CN104492884B (en) | 2014-11-29 | 2014-11-29 | A kind of tubing bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712517.3A CN104492884B (en) | 2014-11-29 | 2014-11-29 | A kind of tubing bending device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104492884A CN104492884A (en) | 2015-04-08 |
| CN104492884B true CN104492884B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410712517.3A Active CN104492884B (en) | 2014-11-29 | 2014-11-29 | A kind of tubing bending device |
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| CN (1) | CN104492884B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311831B (en) * | 2015-07-10 | 2017-12-22 | 北京京诚瑞信长材工程技术有限公司 | A kind of bending machine |
| CN108435938A (en) * | 2018-02-12 | 2018-08-24 | 珠海格力精密模具有限公司 | Guide frame and guidance system with it |
| CN114074150A (en) * | 2021-11-15 | 2022-02-22 | 青岛海尔工业智能研究院有限公司 | Wire harness bending tool and wire harness bending method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009011813B4 (en) * | 2008-03-26 | 2019-06-27 | Schaeffler Technologies AG & Co. KG | Calibration tool and forming tool for the production of disc springs |
| JP5491456B2 (en) * | 2011-06-10 | 2014-05-14 | 大橋鉄工株式会社 | Pipe deep bending simultaneous forming mold |
| CN202239106U (en) * | 2011-08-09 | 2012-05-30 | 宁波福士汽车部件有限公司 | Multi-bend pipe bending machine |
| CN102397943B (en) * | 2011-10-20 | 2013-08-21 | 无锡曙光模具有限公司 | Bend molding die for automotive seat headrest pipe fittings |
| CN202447505U (en) * | 2011-12-22 | 2012-09-26 | 重庆市宏立摩托车配件制造有限公司 | Pipe forming die |
| CN202655454U (en) * | 2012-02-27 | 2013-01-09 | 青岛海汇铁塔机械有限公司 | Quick bending forming device for straight back of angle steel |
| CN103658334A (en) * | 2012-08-30 | 2014-03-26 | 常志伟 | Adjustable pipe-bending die |
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| CN104492884A (en) | 2015-04-08 |
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