CN103785729B - Rod-like piece is bent into the shaped device of arc - Google Patents
Rod-like piece is bent into the shaped device of arc Download PDFInfo
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- CN103785729B CN103785729B CN201410038061.7A CN201410038061A CN103785729B CN 103785729 B CN103785729 B CN 103785729B CN 201410038061 A CN201410038061 A CN 201410038061A CN 103785729 B CN103785729 B CN 103785729B
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- positioner
- push rod
- rod
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- part positioner
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Abstract
Rod-like piece is bent into a shaped device for arc, it is characterized in that: comprise table top, lower module, upper press mechanism, left part positioner and right part positioner; Upper press mechanism is arranged at the top of lower module, and upper press mechanism comprises a top board, and top board has left push rod and right push rod, and the upper end opposed upper platen concentric of left push rod and right push rod is hinged; The lower end of left push rod is provided with left pressure arc roller, and the lower end of right push rod is provided with right pressure arc roller; On described left push rod and right push rod, effect has spring, and spring-force driven dual direction is that left push rod is drawn close mutually with the lower end of right push rod; Described left part positioner and right part positioner has the acting surface for locating part end to be processed; Left part positioner and right part positioner all have supporting and location state and dodge state.The present invention has started a kind of mode of the progressively roll forming to two ends in the middle part of part, decreases damage, decreases impression, significantly improve the quality of product.
Description
Technical field
The present invention relates to a kind of shaped device that rod-like piece can be bent into arc.
Background technology
Curved rod-like piece, such as arch screw bolt.Arch screw bolt is the bolt being bent to arc along the length direction of bolt, be mainly used in connecting arc section of jurisdiction, use more in constructing tunnel, subway construction, arch screw bolt is formed by straight bolts bend, the bending cold forming of employing usually mode like this, thus need a kind of shaped device straight-bar being bent to bow.
Existing arch screw bolt shaped device, shown in Figure 1, comprise upper module 1 and lower module 2, the lower edge of upper module 1 has the arcuate structure of evagination, the upper edge of lower module 2 has the arcuate structure of corresponding indent, and on arcuate structure two ends bolt 3 to be bending being placed in lower module 2, exerting a force presses to bolt 3 and lower module 2 by upper module 1, make bolt 3 bending with arcuate structure, obtained arch screw bolt.This kind of shaped device has following problem:
1) act as master when upper module presses down with point cantact, the frictional force that contact point bears is large, and is sliding friction, and therefore bent bolt impression and damage obviously, do not adjust leeway yet;
2) laminating of upper module, lower module and bolt is incomplete, then considers the rebound effect after bolt cold forming, and a usual bolt will suppress three to five the complete flexural deformation of ability.
Summary of the invention
The invention provides the shaped device that a kind of rod-like piece is bent into arc, impression and the obvious problem of damage on the product that solution prior art is made, to improve the quality of products.
For achieving the above object, the technical solution used in the present invention is: a kind of rod-like piece is bent into the shaped device of arc, comprises table top, lower module, upper press mechanism, left part positioner and right part positioner;
Described lower module is located on table top, and the end face of lower module is the arc protruding upward mated with the radian of part to be processed;
Described upper press mechanism is arranged at the top of lower module, upper press mechanism comprises a top board, top board has left push rod and right push rod, the upper end opposed upper platen concentric of left push rod and right push rod is hinged, left push rod and right push rod planar can be swung in the arc length direction of lower module, left push rod lower end can draw close mutually with right push rod lower end or away from; Further, the peak of the hinged axle center between described left push rod and right push rod and lower module end face arc is arranged in a line correspondences in the vertical direction; The lower end of described left push rod is provided with the left pressure arc roller acting on part to be processed, and the lower end of right push rod is provided with the right pressure arc roller acting on part to be processed; On described left push rod and right push rod, effect has spring, and spring-force driven dual direction is that left push rod is drawn close mutually with the lower end of right push rod;
Described left part positioner and right part positioner are also located on table top, and are divided into the both end sides in the arc length direction of lower module; Left part positioner and right part positioner has the acting surface for locating part end to be processed; Left part positioner and right part positioner all have supporting and location state and dodge state, when left part positioner and right part positioner are in supporting and location state, the acting surface of left part positioner and right part positioner and the ends contact of part to be processed; When left part positioner and right part positioner be in dodge state time, the acting surface of left part positioner and right part positioner departs from the end of part to be processed; Left part positioner and right part positioner are equipped with spring, and the active force of this spring keeps left part positioner and right part positioner to be in supporting and location state; When described upper press mechanism press down part end to be processed is bent downwardly time, part to be processed can force left part positioner and right part positioner to convert the state of dodging to.
In such scheme, in described left part positioner and right part positioner, one is the first positioner, and this first positioner comprises a positioning rod, this relative table top in backstay lower end is rotationally connected, and backstay is flipped to the outside in the length direction place plane of lower module arc; Described backstay down module side is provided with first locating slot embedded for part end to be processed, the interior wall towards the end face of part end to be processed of this first locating slot is as the first acting surface, this first acting surface is used for locating element axial location, and the bottom surface in the first locating slot is inclined-plane or opens the space being formed and dodge part end; When described first positioner is in supporting and location state, backstay be vertical state make the end face of the first acting surface and part against.
In such scheme, in described left part positioner and right part positioner, at least one is the second positioner, this second positioner comprises a supporting seat and a turning rod, the relative table top of described supporting seat connects, described turning rod is rotationally connected with on supporting seat, and turning rod is overturn in the length direction place plane of lower module arc; The end of described turning rod module side is down provided with second locating slot embedded for part end to be processed, and the bottom surface of this second locating slot is as the second acting surface, and this second acting surface is used for shelving support part end; When described second positioner is in supporting and location state, turning rod be transverse horizontal shape make the bottom of the end of the second acting surface and part against.
Further again, described supporting seat is made up of adjustment seat, adjusting rod and pin, described adjustment seat is fixedly connected on table top, adjustment seat end face offers a vertical hole, described adjusting rod embeds vertical hole and is slidably connected, described pin is located in adjustment seat along the radial direction of adjusting rod, and pin is threaded with adjustment seat, and its end acts on adjusting rod and located by adjusting rod.
Operation principle of the present invention is: first, part to be processed (i.e. a direct rod shape blank) is positioned on lower module, left part positioner and right part positioner, namely the left part of part is located by left part positioner, its stage casing rests on lower module, and its right part is located by right part positioner; Then, start press, namely drive top board to press down by press, upper press mechanism entirety moves down, and is pressed on part to be processed by left pressure arc roller and right pressure arc roller, along with top board continue press down, the lower end of left push rod and the lower end of right push rod overcome spring force progressively away from opening, and namely left pressure arc roller and right pressure arc roller are progressively from the middle part of part to two ends roll extrusion, curved under making the two ends of part, until the radian of part conforms to the arc of lower module, become an arc rod-like piece.
Because technique scheme is used, the present invention compared with prior art has following advantages:
Owing to applying the present invention, started a kind of brand-new bending pressing mode, which is a kind of mode of the progressively roll forming to two ends in the middle part of part, also sliding friction is become rolling friction, decrease damage, decrease impression, significantly improve the quality of product.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of prior art;
Fig. 2 is the structural representation one of the embodiment of the present invention, the figure shows the state before compacting;
Fig. 3 is the structural representation two of the embodiment of the present invention, the figure shows the state of pressing process;
Fig. 4 is the embodiment of the present invention left pressure arc roller, right pressure arc roller, lower module coordinate schematic cross-section with part to be processed.
In above accompanying drawing: 1, upper module; 2, lower module; 3, bolt; 4, table top; 5, lower module; 6, upper press mechanism; 7, left part positioner; 8, right part positioner; 9, part to be processed; 10, top board; 11, left push rod; 12, right push rod; 13, left pressure arc roller; 14, right pressure arc roller; 15, tip-lever support; 16, extension spring; 23, backstay; 24, the first locating slot; 25, the space of part end is dodged; 26, supporting seat; 27, turning rod; 28, the second locating slot; 29, the second acting surface; 30, the first acting surface; 31, extension spring; 32, extension spring; 33, adjustment seat; 34, adjusting rod; 35, pin; 36, vertical hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: shown in Fig. 2 ~ 4:
Rod-like piece is bent into a shaped device for arc, comprises table top 4, lower module 5, upper press mechanism 6, left part positioner 7 and right part positioner 8.
Described lower module 5 is located on table top 4, and the end face of lower module 5 is the arc protruding upward mated with the radian of part 9 to be processed.
Described upper press mechanism 6 is arranged at the top of lower module 5; upper press mechanism 6 comprises a top board 10; top board 10 has left push rod 11 and right push rod 12; upper end opposed upper platen 10 concentric of left push rod 11 and right push rod 12 is hinged; left push rod 11 and right push rod 12 planar can be swung in the arc length direction of lower module 5, left push rod 11 lower end can draw close mutually with right push rod 12 lower end or away from.Specifically, the bottom surface of top board 10 is fixedly installed a tip-lever support 15, the upper end concentric of described left push rod 11 and right push rod 12 is hinged on tip-lever support 15.Further, the peak of the hinged axle center between described left push rod 11 and right push rod 12 and lower module 5 end face arc is arranged in a line correspondences in the vertical direction.
The lower end of described left push rod 11 is provided with the left pressure arc roller 13 acting on part to be processed, and the lower end of right push rod 12 is provided with the right pressure arc roller 14 acting on part to be processed.
On described left push rod 11 and right push rod 12, effect has spring, spring-force driven dual direction is that left push rod 11 is drawn close mutually with the lower end of right push rod 12, specifically as shown in Figures 2 and 3, this spring is an extension spring 16, and this extension spring 16 connection function is between left push rod 11 and right push rod 12.In reality, the setting position of spring and the type of spring all can change, as long as spring-force driven dual direction makes left push rod 11 draw close mutually with the lower end of right push rod 12.
Described left part positioner 7 and right part positioner 8 are also located on table top 4, and are divided into the both end sides in the arc length direction of lower module 5.Left part positioner 7 and right part positioner 8 has the acting surface for locating part 9 end to be processed.Left part positioner 7 and right part positioner 8 all have supporting and location state and dodge state, when left part positioner 7 and right part positioner 8 are in supporting and location state, the acting surface of left part positioner 7 and right part positioner 8 and the ends contact of part to be processed 9; When left part positioner 7 and right part positioner 8 be in dodge state time, the acting surface of left part positioner 7 and right part positioner 8 departs from the end of part 9 to be processed.And left part positioner 7 and right part positioner 8 are equipped with spring, and the active force of this spring keeps left part positioner 7 and right part positioner 8 to be in supporting and location state; When described upper press mechanism 6 press down part 9 end to be processed is bent downwardly time, part 9 to be processed can force left part positioner 7 and right part positioner 8 to convert the state of dodging to.
Specifically, left part positioner 7 and right part positioner 8 concrete structure as follows:
As shown in Figure 2 and Figure 3, described right part positioner 8 is the first positioner, this first positioner comprises a positioning rod 23, and this relative table top 4 in backstay 23 lower end is rotationally connected, and backstay 23 can be flipped to the outside in the length direction place plane of lower module 5 arc.Described backstay 23 is provided with first locating slot 24 embedded for part 9 end to be processed towards lower module 5 side, the interior wall towards the end face of part 9 end to be processed of this first locating slot 24 is as the first acting surface 30, this first acting surface 30 is for locating element axial location, and the bottom surface in the first locating slot 24 is inclined-plane or opens the space 25 being formed and dodge part end.When described first positioner is in supporting and location state, backstay 23 be vertical state make the end face of the first acting surface 30 and part 9 against.As shown in Figure 2,3, oblique between described backstay 23 and table top 4 extension spring 31 is set, keeps backstay 23 in vertical state with the active force of extension spring 31.In reality, alternative extension spring 31 can be carried out with other spring, such as establish torsion spring in the rotating shaft of backstay 23, also can serve the same role effect.
As shown in Figure 2 and Figure 3, described left part positioner 7 is the second positioner, this second positioner comprises supporting seat 26 and a turning rod 27, the relative table top 4 of described supporting seat 26 is for being fastenedly connected, described turning rod 27 is rotationally connected with on supporting seat 26, and turning rod 27 can be overturn in the length direction place plane of lower module 5 arc; Described turning rod 27 is provided with second locating slot 28 embedded for part 9 end to be processed towards the end of lower module 5 side, and the bottom surface of this second locating slot 28 is as the second acting surface 29, and this second acting surface 29 is for shelving support part 9 end.When described second positioner is in supporting and location state, turning rod 27 for transverse horizontal shape make the bottom of the second acting surface 29 and the end of part 9 against.As shown in Figure 2,3, oblique between the end of described turning rod 27 and table top 4 extension spring 32 is set, keeps turning rod 27 to be in transverse horizontal state with the active force of extension spring 32.In reality, alternative extension spring 32 can be carried out with other spring, such as establish torsion spring in the rotating shaft of turning rod 27, also can serve the same role effect.
When processing initial, part 9 to be processed is placed on left part positioner 7, lower module 5 and right part positioner 8, ensure that one end of part 9 to be processed and the first acting surface of right part positioner 8 lean to be located by the axial location of part 9, the middle part of part 9 to be processed is by the apical support of lower module 5, the other end of part 9 to be processed is then shelved in the second locating slot 28 of left part positioner 7, support by the second acting surface 29.
In reality, can turn around, right part positioner 8 adopts the second positioner, and left part positioner 7 adopts the structure of the first positioner, or left part positioner 7 and right part positioner 8 all adopt the structure of the first positioner.Left part positioner 7 and right part positioner 8 also can adopt other similar structure.
Conveniently regulate, the supporting seat 26 of described second positioner can be designed to liftable adjustment structure, be specially: supporting seat 26 is made up of adjustment seat 33, adjusting rod 34 and pin 35, described adjustment seat 33 is fixedly connected on table top 4, adjustment seat 33 end face offers a vertical hole 36, described adjusting rod 34 embeds vertical hole 36 and is slidably connected, described pin 35 is located in adjustment seat 33 along the radial direction of adjusting rod 34, and pin 35 is threaded with adjustment seat 33, its end acts on adjusting rod 34 and is located by adjusting rod 34.
As shown in Figure 4, when part 9 to be processed is rod-like piece (as the bolt) of a circular cross-section, described lower module 5 end face is indent arc channel-shaped on cross section, and described left pressure arc roller 13 and right pressure arc roller 14 act on the arc channel-shaped of acting surface also for indent on cross section of part 9 to be processed.
During the present embodiment work, as shown in Figure 2 and Figure 3, first, by a part 9(to be processed i.e. direct rod shape blank) be positioned on lower module 5, left part positioner 7 and right part positioner 8, namely the left part of part 9 is located by left part positioner 7, its stage casing rests on lower module 5, and its right part is located by right part positioner 8; Then, start press, namely top board 10 is driven to press down by press, upper press mechanism 6 entirety moves down, left pressure arc roller 13 and right pressure arc roller 14 are pressed on part 9 to be processed, along with top board 10 continue press down, the lower end of left push rod 11 and the lower end of right bar bar 12 overcome spring force progressively away from opening, even if left pressure arc roller 13 and right pressure arc roller 14 are from the middle part of part 9 to two ends roll extrusion, curved under making the two ends of part 9, until the radian of part 9 conforms to the arc of lower module 5, become an arc rod-like piece.At the two ends of part 9 downward curved time, the end of part 9 compresses left part positioner 7 and right part positioner 8, the acting surface of left part positioner 7 and right part positioner 8 automatically can be dodged in the top pressure of the end of part 9 and be held, and can not hinder moving down of part 9 end.
The present embodiment starts a kind of mode from the progressively roll forming to two ends in the middle part of part 9 completely newly, also sliding friction is become rolling friction, decreases damage, decrease impression, significantly improve the quality of product.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. rod-like piece is bent into a shaped device for arc, it is characterized in that: comprise table top, lower module, upper press mechanism, left part positioner and right part positioner;
Described lower module is located on table top, and the end face of lower module is the arc protruding upward mated with the radian of part to be processed;
Described upper press mechanism is arranged at the top of lower module, upper press mechanism comprises a top board, top board has left push rod and right push rod, the upper end opposed upper platen concentric of left push rod and right push rod is hinged, left push rod and right push rod planar can be swung in the arc length direction of lower module, left push rod lower end can draw close mutually with right push rod lower end or away from; Further, the peak of the hinged axle center between described left push rod and right push rod and lower module end face arc is arranged in a line correspondences in the vertical direction; The lower end of described left push rod is provided with the left pressure arc roller acting on part to be processed, and the lower end of right push rod is provided with the right pressure arc roller acting on part to be processed; On described left push rod and right push rod, effect has spring, and spring-force driven dual direction is that left push rod is drawn close mutually with the lower end of right push rod;
Described left part positioner and right part positioner are also located on table top, and are divided into the both end sides in the arc length direction of lower module; Left part positioner and right part positioner has the acting surface for locating part end to be processed; Left part positioner and right part positioner all have supporting and location state and dodge state, when left part positioner and right part positioner are in supporting and location state, the acting surface of left part positioner and right part positioner and the ends contact of part to be processed; When left part positioner and right part positioner be in dodge state time, the acting surface of left part positioner and right part positioner departs from the end of part to be processed; Left part positioner and right part positioner are equipped with spring, and the active force of this spring keeps left part positioner and right part positioner to be in supporting and location state; When described upper press mechanism press down part end to be processed is bent downwardly time, part to be processed can force left part positioner and right part positioner to convert the state of dodging to.
2. rod-like piece is bent into the shaped device of arc according to claim 1, it is characterized in that: in described left part positioner and right part positioner, one is the first positioner, this first positioner comprises a positioning rod, this relative table top in backstay lower end is rotationally connected, and backstay is flipped to the outside in the length direction place plane of lower module arc; Described backstay down module side is provided with first locating slot embedded for part end to be processed, the interior wall towards the end face of part end to be processed of this first locating slot is as the first acting surface, this first acting surface is used for locating element axial location, and the bottom surface in the first locating slot is inclined-plane or opens the space being formed and dodge part end; When described first positioner is in supporting and location state, backstay be vertical state make the end face of the first acting surface and part against.
3. rod-like piece is bent into the shaped device of arc according to claim 1, it is characterized in that: in described left part positioner and right part positioner, at least one is the second positioner, this second positioner comprises a supporting seat and a turning rod, the relative table top of described supporting seat connects, described turning rod is rotationally connected with on supporting seat, and turning rod is overturn in the length direction place plane of lower module arc; The end of described turning rod module side is down provided with second locating slot embedded for part end to be processed, and the bottom surface of this second locating slot is as the second acting surface, and this second acting surface is used for shelving support part end; When described second positioner is in supporting and location state, turning rod be transverse horizontal shape make the bottom of the end of the second acting surface and part against.
4. rod-like piece is bent into the shaped device of arc according to claim 3, it is characterized in that: described supporting seat is made up of adjustment seat, adjusting rod and pin, described adjustment seat is fixedly connected on table top, adjustment seat end face offers a vertical hole, described adjusting rod embeds vertical hole and is slidably connected, described pin is located in adjustment seat along the radial direction of adjusting rod, and pin is threaded with adjustment seat, and its end acts on adjusting rod and located by adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038061.7A CN103785729B (en) | 2014-01-26 | 2014-01-26 | Rod-like piece is bent into the shaped device of arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038061.7A CN103785729B (en) | 2014-01-26 | 2014-01-26 | Rod-like piece is bent into the shaped device of arc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103785729A CN103785729A (en) | 2014-05-14 |
| CN103785729B true CN103785729B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410038061.7A Expired - Fee Related CN103785729B (en) | 2014-01-26 | 2014-01-26 | Rod-like piece is bent into the shaped device of arc |
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| CN (1) | CN103785729B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175026A (en) * | 2018-09-20 | 2019-01-11 | 新疆送变电有限公司 | A kind of improved tube type bus encircles machine in advance |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB816625A (en) * | 1956-07-03 | 1959-07-15 | Andre Huet | Improvements in or relating to apparatus for bending tubes |
| US4446711A (en) * | 1982-08-18 | 1984-05-08 | Vale Industries, Inc. | U-Bolt bender |
| SU1292868A1 (en) * | 1984-11-06 | 1987-02-28 | Предприятие П/Я В-2251 | Machine for two-sided bending of tubes |
| SU1590158A1 (en) * | 1988-04-07 | 1990-09-07 | Г. И. Гулевский | Arrangement for bending pipes |
| JPH05212453A (en) * | 1992-02-07 | 1993-08-24 | Asai Kosan Kk | Device for bending long size member with asymmetrical cross-sectional shape |
| KR20040009380A (en) * | 2002-07-23 | 2004-01-31 | (주)신흥산업 | metal plate round-curving method and device |
| CN202398675U (en) * | 2011-12-14 | 2012-08-29 | 上海工程技术大学 | Chain ring hook production device |
| CN203109083U (en) * | 2013-02-25 | 2013-08-07 | 宁波市令通电信设备有限公司 | Plate supporting structure |
| CN203695679U (en) * | 2014-01-26 | 2014-07-09 | 太仓中博铁路紧固件有限公司 | Forming device enabling rod-shaped part to be bent into arch |
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2014
- 2014-01-26 CN CN201410038061.7A patent/CN103785729B/en not_active Expired - Fee Related
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