CN203778602U - Die for steel pipe bending - Google Patents

Die for steel pipe bending Download PDF

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Publication number
CN203778602U
CN203778602U CN201420086554.3U CN201420086554U CN203778602U CN 203778602 U CN203778602 U CN 203778602U CN 201420086554 U CN201420086554 U CN 201420086554U CN 203778602 U CN203778602 U CN 203778602U
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CN
China
Prior art keywords
riser
gusset
steel pipe
arc
gib block
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.)
Expired - Fee Related
Application number
CN201420086554.3U
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Chinese (zh)
Inventor
蒋立新
朱小明
朱亮
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.)
JIANGSU HUADIAN STEEL TOWER MANUFACTURING Co Ltd
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JIANGSU HUADIAN STEEL TOWER MANUFACTURING Co Ltd
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Priority to CN201420086554.3U priority Critical patent/CN203778602U/en
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Publication of CN203778602U publication Critical patent/CN203778602U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a die for steel pipe bending. The die comprises an upper die (1) and a lower die (2), wherein the upper die comprises an upper connecting plate (1.1), two upright plates I (1.2) and at least three ribbed plates I (1.3); the lower die comprises a lower connecting plate (2.1), two upright plates II (2.2) and at least three ribbed plates II (2.3); the upright plates I and the upright plates II are provided with inversed V-shaped structures which are matched with each other; the upright plates I and the upright plates II are symmetrically, vertically and fixedly connected to the bottom surface of the upper connecting plate and the top surface of the lower connecting plate; the ribbed plates I and the ribbed plates II are respectively provided with an arc-shaped notch, are respectively symmetrically arranged at two sides of the inversed V-shaped structures and are pairwise vertically connected with the upright plates II and the upper connecting plate. The die for steel pipe bending is simple in structure, easy to manufacture and high in production efficiency, batch bending production of steel pipes with larger diameters can be realized by mounting the die on a press, and the quality of steel pipe bending can be accurately controlled while safety in production is realized.

Description

Steel pipe bending mould processed
Technical field
The utility model relates to a kind of bending mould processed, and specifically a kind of steel pipe bending mould processed, belongs to Sheet Metal Forming Technology equipment field.
Background technology
Steel pipe is not only for delivery of fluid and powdery solid, exchange heat energy, manufacturing machine part and container; it or a kind of economic steel; with steel pipe, manufacture building structure rack, pillar and machinery mount; can weight reduction; save metal 20~40%; and can greatly reduce the area of stopping off, save investment and maintenance cost.
Steel tower is bear for realizing the freestanding steel structure that a certain aerial load or communication function are set up, and uses the steel tube tower major advantage of steel pipe manufacturing to show: the one, can reduce tower body blast; The 2nd, in the situation that area of section is equal, the radius of gyration of pipe is than large 20% left and right of angle steel; The 3rd, improved structural-load-carrying capacity, in general, steel tube tower reduces by 10%~20% than angle steel tower consumption, also can reduce rod member quantity simultaneously, shortens and builds the tower cycle, is easy to structure diversification, and therefore in steel tower manufacturing, steel tube tower growth momentum is swift and violent.
For guaranteeing the intensity of steel tube tower and being designed beautifully, need to be to steel pipe crook processed reason, by using on platform after steel pipe heating, simple frock is artificial to be made curved or on platform, uses the specific bending tool with jack to carry out bending making the curved many employings of current steel pipe system, it is little that but these modes are applicable to single-piece, in batches less and the smaller steel pipe of diameter dimension, and the heating-up temperature of steel pipe and angle of bend are difficult to accurate control, production efficiency is low, cannot ensure the quality of products stable, if and do not take safety precautions in operating process, have the potential safety hazard that in steel pipe bending deformation process processed, steel pipe ejects, if adopt special-purpose large-scale bending apparatus, can realize mass production, and can meet the bending machining of the steel pipe that diameter is larger, but price is too expensive, has strengthened enterprise's production cost.
Summary of the invention
For the problems referred to above, the utility model provides a kind of steel pipe bending mould processed, simple in structure, is arranged on forcing press and can realizes the curved production of steel pipe mass system that diameter is larger, in the time of safety in production, can guarantee accurately to control angle and the quality that steel pipe bends, and production efficiency is high.
For achieving the above object, this steel pipe bending mould processed comprises upper die and lower die;
Patrix comprises upper junction plate, riser I and gusset I, and upper junction plate is arranged on the top of whole patrix, is provided with connecting hole or groove above; " V " type structure that riser I bottom is short with centre, both sides are high, is set to two, and its end face symmetry is vertically fixedly connected on the bottom surface of upper junction plate; The width of gusset I coordinates with the spacing dimension in the middle of two riser I, gusset I base is with the arc-shaped notch that is less than semicircle, gusset I is set at least three, insert in the space between two riser I, be symmetricly set in down the both sides of " V " type structure, and with riser I, upper junction plate vertical connection between two, measure-alike apart from the arc-shaped notch center of circle of the size of " V " type bottom surface and gusset I bottom surface fallen apart from riser I in gusset I bottom surface;
Counterdie comprises lower connecting plate, riser II and gusset II, and lower connecting plate is arranged on the bottom of whole counterdie, is provided with connecting hole or groove above; Riser II be coordinate with riser I, top is high with centre, both sides are short falls the structure of " V " type, riser II is set to two, its bottom surface symmetry is vertically fixedly connected on the end face of lower connecting plate; The width of gusset II coordinates with the spacing dimension in the middle of two riser II, top margin is provided with corresponding to the recess position of gusset I the arc-shaped notch that is less than semicircle, gusset II is set at least three, insert in the space between two riser II, be symmetricly set in down the both sides of " V " type structure, and with riser II, lower connecting plate vertical connection between two, measure-alike apart from the arc-shaped notch center of circle of the size of " V " type bottom surface and gusset II bottom surface fallen apart from riser II in gusset II bottom surface.
As further improvement of the utility model scheme, on the opposite face of two riser I, be equipped with corresponding guide-localization mechanism with on the opposite face of two riser II, gusset I is connected with riser II with riser I by guide-localization mechanism respectively with gusset II.
As preferred version of the present utility model, guide-localization mechanism comprises gib block, locating piece and caging bolt, every group of gib block is set to two, distance between these two gib blocks coordinates with the gauge of gusset I, gusset II, and gib block is vertically fixedly connected on the opposite face of two riser I, two riser II; Locating piece is arranged on the top of patrix gib block, the bottom of counterdie gib block, is fixedly connected on respectively riser I and riser II; Caging bolt be threaded connection be arranged on riser I bottom with respect to the appropriate location of gib block, riser II top the appropriate location with respect to gib block.
As further improvement of the utility model scheme, at the back side of the gusset I of " V " type structure with respect to steel pipe feedstock direction, dismountable charging is set spacing.
As further improvement of the utility model scheme, the diameter dimension of the arc-shaped notch of the diameter dimension of the arc-shaped notch on gusset I base and gusset II top margin is 193 ㎜.
As further improvement of the utility model scheme, the V-arrangement drift angle of " V " type structure of riser I and riser II is 120 °.
Compared with prior art, this steel pipe bending mould processed is owing to being provided with down " V " type structure, and by the adjusting to the stroke of a press, can realize the accurate angle system of steel pipe curvedly, guarantees product quality, and is suitable for High-efficient Production in batches; On gusset due to upper die and lower die, be equipped with arc-shaped notch, and be that gusset in upper die and lower die is being implemented direct bending pressure to steel pipe in curved process in system, steel pipe is stuck in and in arc-shaped notch, makes curved process, therefore can there is not the potential safety hazard of ejection in steel pipe in the curved process of system, realizes safety in production; Because it is simple in structure, be easy to make, can reach the curved effect of efficient system simultaneously, therefore, for the curved equipment of special use system, reduced the cost of enterprise; Owing to being provided with the structure of replaceable gusset, the system that therefore can realize different-diameter steel pipe is curved, further reduces the cost of enterprise; By setting, fall the V-arrangement drift angle of " V " type structure, the arbitrarily angled steel pipe system that can realize within the scope of certain angle is curved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 1.
In figure: 1, patrix, 1.1, upper junction plate, 1.2, riser I, 1.3, gusset I, 2, counterdie, 2.1, lower connecting plate, 2.2, riser II, 2.3, gusset II, 3, guide-localization mechanism, 3.1, gib block, 3.2, locating piece, 3.3, caging bolt, 4, charging is spacing.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, Figure 2, Figure 3 shows, this steel pipe bending mould processed comprises patrix 1 and counterdie 2.
Patrix 1 comprises upper junction plate 1.1, riser I 1.2 and gusset I 1.3, and upper junction plate 1.1 is arranged on the top of whole patrix 1, is provided with connecting hole or groove above; " V " type structure that riser I 1.2 bottoms are short with centre, both sides are high, is set to two, and its end face symmetry is vertically fixedly connected on the bottom surface of upper junction plate 1.1; The width of gusset I 1.3 coordinates with the spacing dimension in the middle of two riser I 1.2, gusset I 1.3 bases are with the arc-shaped notch that is less than semicircle, gusset I 1.3 is set at least three, insert in the space between two riser I 1.2, be symmetricly set in down the both sides of " V " type structure, and with riser I 1.2, upper junction plate 1.1 vertical connection between two, measure-alike apart from the arc-shaped notch center of circle of the size of " V " type bottom surface and gusset I 1.3 bottom surfaces fallen apart from riser I 1.2 in gusset I 1.3 bottom surfaces.
Counterdie 2 comprises lower connecting plate 2.1, riser II 2.2 and gusset II 2.3, and lower connecting plate 2.1 is arranged on the bottom of whole counterdie 2, is provided with connecting hole or groove above, riser II 2.2 be coordinate with riser I 1.2, top is high with centre, both sides are short falls the structure of " V " type, riser II 2.2 is set to two, its bottom surface symmetry is vertically fixedly connected on the end face of lower connecting plate 2.1, the width of gusset II 2.3 coordinates with the spacing dimension in the middle of two riser II 2.2, top margin is provided with corresponding to the recess position of gusset I 1.3 arc-shaped notch that is less than semicircle, gusset II 2.3 is set at least three, insert in the space between two riser II 2.2, be symmetricly set in down the both sides of " V " type structure, and with riser II 2.2, lower connecting plate 2.1 vertically connects between two, measure-alike apart from the arc-shaped notch center of circle of the size of " V " type bottom surface and gusset II 2.3 bottom surfaces fallen apart from riser II 2.2 in gusset II 2.3 bottom surfaces, after patrix 1 is pressed in above counterdie 2, gusset I 1.3 and the center of circle of the arc-shaped notch of gusset II 2.3 can overlap as a bit.
In order realizing, can to change gusset, and then to realize the steel pipe that can accurately snap in different-diameter, can be curved to the steel pipe system of different-diameter.Therefore, as further improvement of the utility model scheme, on the opposite face of two riser I 1.2, be equipped with corresponding guide-localization mechanism 3 with on the opposite face of two riser II 2.2, gusset I 1.3 is connected with riser II 2.2 with riser I 1.2 by guide-localization mechanism 3 respectively with gusset II 2.3.
Guide-localization mechanism 3 can adopt the mode of processing guide-localization groove in riser I 1.2 and riser II 2.2, or adopt in riser I 1.2 and the mode that is fixedly connected with gib block in riser II 2.2, or adopt other guide-localization modes, because the second way is easier to make, the therefore preferred second way, that is: as preferred version of the present utility model, employing is in riser I 1.2 and the mode that is fixedly connected with gib block in riser II 2.2, guide-localization mechanism 3 comprises gib block 3.1, locating piece 3.2 and caging bolt 3.3, every group of gib block 3.1 is set to two, distance and gusset I 1.3 between these two gib blocks 3.1, the gauge of gusset II 2.3 coordinates, gib block 3.1 is vertically fixedly connected on two riser I 1.2, on the opposite face of two riser II 2.2, can play the effect of guiding, locating piece 3.2 is arranged on the top of patrix 1 gib block, the bottom of counterdie 2 gib blocks, be fixedly connected on respectively riser I 1.2 and riser II 2.2, can play the effect of gusset I 1.3, gusset II 2.3 location, and pressure directly acts on gusset I 1.3 and gusset II 2.3 by locating piece 3.2 in the curved process of system, caging bolt 3.3 be threaded connection be arranged on riser I 1.2 bottoms with respect to the appropriate location of gib block, riser II 2.2 tops the appropriate location with respect to gib block, make in curved process is that gusset I 1.3, gusset II 2.3 directly act on steel pipe, caging bolt 3.3 does not stress, and only when patrix 1 lifts, can play the effect that restriction gusset I 1.3 skids off in gib block 3.1.
For can be curved to the steel pipe system of different length, as further improvement of the utility model scheme, at the back side of the gusset I 1.3 of " V " type structure with respect to steel pipe feedstock direction, dismountable charging spacing 4 be set.
For can be curved in the steel pipe system of 80 ㎜~193 ㎜ to diameter, as further improvement of the utility model scheme, the diameter dimension of the arc-shaped notch of the diameter dimension of the arc-shaped notch on gusset I 1.3 bases and gusset II 2.3 top margins be 193 ㎜.
Curved for the system that can carry out within the scope of 0~30 ° steel pipe, as further improvement of the utility model scheme, riser I 1.2 is 120 ° with the V-arrangement drift angle of " V " type structure of riser II 2.2.
Before use, the diameter of the steel pipe that first manage crook processed as required, the gusset I 1.3 of corresponding arc size and gusset II 2.3 inserted in corresponding guide-localization mechanism 3, then caging bolt 3.3 screwed in, so limited gusset I 1.3, gusset II 2.3 skids off in gib block 3.1; The length of the steel pipe of crook processed reason, is fixedly installed in charging spacing 4 in corresponding gusset I 1.3 as required; Then the patrix 1 of gusset I 1.3 and gusset II 2.3 and charging spacing 4 and counterdie 2 centering being fixedly installed on the slide block and workbench of forcing press respectively will be installed, guarantee patrix 1 be pressed in counterdie 2 above after, gusset I 1.3 and the center of circle of the arc-shaped notch of gusset II 2.3 can overlap as a bit; According to the diameter of steel pipe and bending angle processed, set press ram press down stroke after can use.
During use, first press ram is promoted to the suitable distance that is greater than diameter of steel tube, again by steel pipe from do not arrange one of charging spacing 4 be sidelong into, after arriving to charging spacing 4, can loose one's grip, steel pipe is supported by patrix 1 and counterdie 2, and then operating pressure machine presses down slide block, to the bending angle processed needing, stop pressing down, the steel pipe system of completing is curved, and adherence pressure machine slide block takes out steel pipe.
Operator can go out the stroke that presses down of corresponding press ram according to different diameter of steel tube and different bending angle calculated in advance processed, and then can further improve the curved operating efficiency of steel pipe system.
This steel pipe bending mould processed is simple in structure, is easy to make, and during use, can pass through the adjusting to the stroke of a press, realizes curved to the accurate angle system of steel pipe, assurance product quality, and be suitable for batch High-efficient Production; Can there is not the potential safety hazard of ejection in steel pipe, realize safety in production in the curved process of system; For the curved equipment of special use system, can reduce entreprise cost; The system that can realize different-diameter steel pipe is curved, and the arbitrarily angled steel pipe system that can realize within the scope of certain angle is curved.

Claims (6)

1. a steel pipe bending mould processed, comprise patrix (1) and counterdie (2), it is characterized in that, described patrix (1) comprises upper junction plate (1.1), riser I (1.2) and gusset I (1.3), upper junction plate (1.1) is arranged on the top of whole patrix (1), is provided with connecting hole or groove above, " V " type structure that riser I (1.2) bottom is short with centre, both sides are high, is set to two, and its end face symmetry is vertically fixedly connected on the bottom surface of upper junction plate (1.1), the width of gusset I (1.3) coordinates with the spacing dimension in the middle of two riser I (1.2), gusset I (1.3) base is with the arc-shaped notch that is less than semicircle, gusset I (1.3) is set at least three, insert in the space between two riser I (1.2), be symmetricly set in down the both sides of " V " type structure, and with riser I (1.2), upper junction plate (1.1) vertical connection between two, measure-alike apart from the arc-shaped notch center of circle of the size of " V " type bottom surface and gusset I (1.3) bottom surface fallen apart from riser I (1.2) in gusset I (1.3) bottom surface, described counterdie (2) comprises lower connecting plate (2.1), riser II (2.2) and gusset II (2.3), and lower connecting plate (2.1) is arranged on the bottom of whole counterdie (2), is provided with connecting hole or groove above, riser II (2.2) be coordinate with riser I (1.2), top is high with centre, both sides are short falls the structure of " V " type, riser II (2.2) is set to two, its bottom surface symmetry is vertically fixedly connected on the end face of lower connecting plate (2.1), the width of gusset II (2.3) coordinates with the spacing dimension in the middle of two riser II (2.2), top margin is provided with corresponding to the recess position of gusset I (1.3) arc-shaped notch that is less than semicircle, gusset II (2.3) is set at least three, insert in the space between two riser II (2.2), be symmetricly set in down the both sides of " V " type structure, and with riser II (2.2), lower connecting plate (2.1) vertically connects between two, measure-alike apart from the arc-shaped notch center of circle of the size of " V " type bottom surface and gusset II (2.3) bottom surface fallen apart from riser II (2.2) in gusset II (2.3) bottom surface.
2. steel pipe according to claim 1 bending mould processed, it is characterized in that, on the opposite face of described two riser I (1.2), be equipped with corresponding guide-localization mechanism (3) with on the opposite face of two riser II (2.2), gusset I (1.3) is connected with riser II (2.2) with riser I (1.2) by guide-localization mechanism (3) respectively with gusset II (2.3).
3. steel pipe according to claim 2 bending mould processed, it is characterized in that, described guide-localization mechanism (3) comprises gib block (3.1), locating piece (3.2) and caging bolt (3.3), every group of gib block (3.1) is set to two, distance between these two gib blocks (3.1) coordinates with the gauge of gusset I (1.3), gusset II (2.3), and gib block (3.1) is vertically fixedly connected on the opposite face of two riser I (1.2), two riser II (2.2); Locating piece (3.2) is arranged on the top of patrix (1) gib block, the bottom of counterdie (2) gib block, is fixedly connected on respectively riser I (1.2) and riser II (2.2); Caging bolt (3.3) be threaded connection be arranged on riser I (1.2) bottom with respect to the appropriate location of gib block, riser II (2.2) top the appropriate location with respect to gib block.
4. according to the steel pipe bending mould processed described in arbitrary claim in claims 1 to 3, it is characterized in that, dismountable charging spacing (4) is set in described gusset I (1.3).
5. according to the steel pipe bending mould processed described in arbitrary claim in claims 1 to 3, it is characterized in that, the diameter dimension of the diameter dimension of the arc-shaped notch on described gusset I (1.3) base and the arc-shaped notch of gusset II (2.3) top margin is 193 ㎜.
6. according to the steel pipe bending mould processed described in arbitrary claim in claims 1 to 3, it is characterized in that, described riser I (1.2) is 120 ° with the V-arrangement drift angle of " V " type structure of riser II (2.2).
CN201420086554.3U 2014-02-28 2014-02-28 Die for steel pipe bending Expired - Fee Related CN203778602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420086554.3U CN203778602U (en) 2014-02-28 2014-02-28 Die for steel pipe bending

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420086554.3U CN203778602U (en) 2014-02-28 2014-02-28 Die for steel pipe bending

Publications (1)

Publication Number Publication Date
CN203778602U true CN203778602U (en) 2014-08-20

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Application Number Title Priority Date Filing Date
CN201420086554.3U Expired - Fee Related CN203778602U (en) 2014-02-28 2014-02-28 Die for steel pipe bending

Country Status (1)

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CN (1) CN203778602U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105642717A (en) * 2016-04-05 2016-06-08 安徽安凯汽车股份有限公司 Bending forming die tool for bus roof through beam
CN110586771A (en) * 2019-10-30 2019-12-20 中国二十二冶集团有限公司 Large-diameter pipeline pipe bending device and pipe bending method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105642717A (en) * 2016-04-05 2016-06-08 安徽安凯汽车股份有限公司 Bending forming die tool for bus roof through beam
CN110586771A (en) * 2019-10-30 2019-12-20 中国二十二冶集团有限公司 Large-diameter pipeline pipe bending device and pipe bending method

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140820

Termination date: 20170228