CN104874653A - Positioning mechanism of circular pipe bending device - Google Patents
Positioning mechanism of circular pipe bending device Download PDFInfo
- Publication number
- CN104874653A CN104874653A CN201510229960.XA CN201510229960A CN104874653A CN 104874653 A CN104874653 A CN 104874653A CN 201510229960 A CN201510229960 A CN 201510229960A CN 104874653 A CN104874653 A CN 104874653A
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- CN
- China
- Prior art keywords
- pipe
- chuck
- clamping device
- clamping
- positioning
- 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.)
- Pending
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Classifications
-
- 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
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
- B21D7/025—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member and pulling or pushing the ends of the work
-
- 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
Abstract
The present invention discloses a positioning mechanism of a circular pipe bending device. The positioning mechanism comprises a stationary work table and a rotary work table capable of rotating; a freely rotating rotary circular bench is disposed between the stationary work table and the rotary work table; the circular pipe is positioned on the stationary work table; the circular pipe is bended in a rotation direction when the rotary work table rotates along a plane; the stationary work table is provided with a first clamping device for clamping the front portion of the circular pipe; the first clamping device comprises a first chuck and a driving device for driving the first chuck; the rotary work table is provided with a second clamping device for clamping the rear portion of the circular pipe; the second clamping device comprises a second chuck and another driving device for driving the second chuck; a positioning bench for positioning the circular pipe is disposed on the stationary work table; and the head bend of the positioning bench is provided with an L-shaped positioning strip. The positioning mechanism is accurate in positioning and good in clamping effect, and is not easy to loosen.
Description
Technical field
The present invention relates to a kind of detent mechanism of bending circular pipe device.
Background technology
Round steel pipe is a kind of conventional shaped steel, be widely used in every field, relatively common are building field and industrial circle, also there is a lot of family product also can be used as the skeleton of tables and chairs by round steel pipe simultaneously, strength problem or form fit problem is considered when reality uses, this kind of steel pipe all will carry out bending process, pipe needs the Railway Project considered when bending process: 1, the precise positioning of bending point, if bending point deviation is very large, easily cause the problem that later product rigging error even cannot be assembled comparatively greatly; 2, rebound phenomenon, easily rebound phenomenon is there is in a lot of round steel pipe after by bending, differ larger with the bending angle of actual requirement after resilience, this general all more in pressing and bending generation, pressing and bending is for utilizing the quick bending of impulse force, and when impulse force disappears, round steel pipe can because the self-recovery elastic recoil certain angle of its own metal; 3, the clamping degree of pipe is if pipe has loosening in Forging Process, very large to bending Accuracy.
Summary of the invention
The technical issues that need to address of the present invention are, provide a kind of detent mechanism of bending circular pipe device, accurate positioning, clamping effect is good, is not easy to loosen.
Technical scheme of the present invention is: a kind of detent mechanism of bending circular pipe device, comprise stationary work-table and rotating rotary work-table, rotation round platform is provided with between stationary work-table and rotary work-table, pipe is positioned on stationary work-table, pipe in rotational direction bends along during Plane Rotation by rotary work-table, described stationary work-table is provided with the first clamping device of clamping pipe fore-end, first clamping device comprises the first chuck and drives the drive unit of the first chuck, described rotary work-table is provided with the second clamping device of clamping pipe rear end part, second clamping device comprises the second chuck and drives the drive unit of the second chuck, described stationary work-table is provided with positioning table, the head end of positioning table is provided with the L shape positioning strip of pipe lateral attitude, location.
Preferably, the clamping area that the first described chuck, the second chuck contact with pipe is provided with the circular arc concave surface of pipe of fitting.
Preferably, the first described clamping device is provided with transverse slipway along pipe length direction, and the first described chuck slides in transverse slipway.
Preferably, the first described clamping device and the second clamping device are all provided with micromatic setting, micromatic setting comprises screw rod and regulating block, regulating block is fixed on the first clamping device or the second clamping device, screw rod one end and the first chuck or the second chuck is vertical is connected, the other end is threaded with regulating block.
Preferably, described rotary work-table is provided with supporting plate below pipe, the thickness of supporting plate and positioning table consistency of thickness.
After adopting the technical program, pipe corresponding rotation is driven when utilizing rotary work-table to rotate, bending point is the rotation round platform of rotary work-table and stationary work-table centre, rotating round platform is freely rotate, in bending circular pipe process, rotate round platform and follow pipe rotation, relative to utilizing the direct bending of impulse force, the more flexibility of this revolving bending method, less to the damage of pipe self, rotary work-table routinely applies pressure to pipe in addition, effectively can reduce the rebound phenomenon after bending, ensure its bending precision, stationary work-table and rotary work-table are all provided with respective clamping device, respectively to fore-end and the rear end part clamping of pipe, the middle part of pipe is close to by rotating round platform, form the layout of a triangle, clamping effect is good, be not easy to loosen, the end of pipe is spacing have been come by one piece of L shape locating piece, ensure that the end of each root pipe and bending point are apart from equal, this horizontal limit devices structure is simple, accurate positioning.
Accompanying drawing explanation
Accompanying drawing 1 is placed on the schematic diagram on apparatus for bending for pipe;
Accompanying drawing 2 be apparatus for bending by after bending circular pipe intention;
Accompanying drawing 3 is schematic diagram after the pipe in accompanying drawing 2 is located by secondary;
Accompanying drawing 4 is the enlarged diagram in the dotted line circle in accompanying drawing 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
As shown in Figures 1 to 4, a kind of detent mechanism of bending circular pipe device, comprise stationary work-table 1 and rotating rotary work-table 2, the rotation round platform 3 freely rotated is provided with in the middle of stationary work-table and rotary work-table, in the present embodiment, rotary work-table rotates to rotate centered by round platform, pipe 4 one end is positioned on stationary work-table, the other end is fixed on rotary work-table, rotate round platform sidewall and be provided with circular arc concave surface 31, the outer wall of pipe is also arc surface, arc surface is just contained in circular arc concave surface, pipe is when actual location, pipe mid portion is fitted in the circular arc concave surface of rotation round platform sidewall, rotary work-table is along Plane Rotation, if rotary work-table in Fig. 2 is along rotating clockwise certain angle, the right-hand member of pipe is that bending point is in rotational direction bent by rotary work-table along rotating round platform sidewall, after adopting the technical program, pipe corresponding rotation is driven when utilizing rotary work-table to rotate, bending point is the rotation round platform of rotary work-table and stationary work-table centre, rotating round platform is freely rotate, in bending circular pipe process, rotate round platform and follow pipe rotation, relative to utilizing the direct bending of impulse force, the more flexibility of this revolving bending method, less to the damage of pipe self, bending point is circular arc in addition, rotary work-table planar arc is coordinated to rotate, the i.e. interior curved and excurvation form fit of bending circular pipe, and rotary work-table routinely applies pressure to pipe, in conjunction with this 2 point, effectively can reduce the rebound phenomenon after bending, ensure its bending precision.
In the present embodiment, stationary work-table and rotary work-table have respective clamping device for clamping pipe, prevent from loosening, described stationary work-table is provided with the first clamping device 11 of clamping pipe fore-end, first clamping device comprises the first chuck 110 and drives the drive unit 52 of the first chuck, pipe is sandwiched in the first chuck and rotates between round platform, namely the first chuck is rotating the opposite of round platform, drive unit drive the first chuck near or away from rotation round platform, drive unit can be pneumatic means or hydraulic-driven.In like manner, described rotary work-table is provided with the second clamping device 21 of clamping pipe rear end part, second clamping device comprises the second chuck 210 and drives the drive unit 52 of the second chuck, as preferably, the length of the first chuck is longer, and the length of the second chuck is relatively short, because the first chuck keeps fit-state with pipe all the time in Forging Process, and the second chuck after bending because buckling problem, only some and pipe keep fitting, so do not need very long in length.As preferably, the clamping area that the first described chuck, the second chuck contact with pipe is provided with the circular arc concave surface of pipe of fitting, and in conjunction with the circular arc concave surface rotating round platform, locating effect is better.In the present embodiment the first chuck and the second chuck clamping device with the mode of skid realize near or away from pipe, specifically for the second clamping device, as shown in Figure 3, rotary work-table is fixed with slide unit 53, slide unit is provided with longitudinal slide rail, slide in slide rail and have slide plate 54, the second chuck described in slide plate one end connects, the slide plate other end drives by drive unit.
In addition, when rotary work-table rotates, pipe right-hand member can be driven to rotate, when actual bending, pipe can because of dividing to pulling force effect of being turned right, pipe can produce the trend of turning right and being pulled, and the left end portion of pipe is clamped by the first chuck and rotation round platform, if this pulling force is greater than the frictional force between pipe and the first chuck, then pipe can be pulled a bit of distance, now the surface of pipe can be pulled, affect intensity, and the wearing and tearing of the first chuck can be aggravated, in order to avoid the generation of this kind of situation, in the present embodiment, the first chuck is improved, the first described clamping device is provided with transverse slipway 111 along pipe length direction, transverse slipway is preferably dovetail chute, the first described chuck slides in transverse slipway, when rotary work-table rotates, first chuck and pipe still keep geo-stationary, but there is relative sliding between the first chuck and the first clamping device, namely the first chuck can be turned right and is free to slide a segment distance, when rotary work-table gets back to origin-location counterclockwise, second chuck can clash into the first chuck makes it slide into home position left, specifically can see Fig. 2 and Fig. 3, the first chuck in Fig. 2 is the position of sliding to the right after a segment distance, the first chuck in Fig. 3 gets back to home position after being clashed into by the second chuck, in order to ensure that the first chuck unduly moves to left after being knocked, first chuck is provided with spacing block set 1101 at right-hand member, namely overlook and see, first chuck is L-shaped, toward moving left after the first chuck is clashed into by the second chuck, until spacing block set is just fitted with its right end face of transverse slipway.
In addition, as clamping device, in order to adapt to the pipe of different-diameter, each clamping device self is provided with micromatic setting, for the tight ness rating regulating the first chuck or the second chuck and pipe to fit, micromatic setting comprises screw rod 50 and regulating block 51, regulating block is fixed on the slide plate of the first clamping device or the second clamping device, screw rod one end and the first chuck or the second chuck is vertical is connected, the other end is threaded with regulating block, and rotating screw bolt can regulate the first chuck or the original longitudinal pitch between the second chuck and rotation round platform.
Simultaneously, because the diameter of pipe has a lot of specification on the market, in order to the pipe making this programme can be applicable to more specifications, the circular arc concave surface rotated on round platform will make conversion according to pipe diameter, so the circular arc concave surface rotating round platform is preferably removable, for this reason, rotation round platform in this programme is designed to detachable, described rotation round platform comprises circular base station 30, circular base station axle center is coaxially provided with dismountable rotating disk 32, described circular arc concave surface is located at the sidewall of rotating disk, during dismounting, only the rotating disk at circular base station top need be changed, circular base station keeps static and does not adjust, in like manner the first chuck be also dismountable structure between the second chuck and corresponding clamping device.
In order to ensure the accurate positioning of pipe, ensure that the bending point of every root pipe is relatively uniform, this programme devises the positioner for locating pipe lateral attitude on stationary work-table, positioner comprises the positioning table 6 be fixed on steady job deck plate, positioning table is positioned at the below of pipe, the head end of positioning table is provided with L shape positioning strip 61, the anterior end of pipe is just alignd with L shape positioning strip, ensure that every root bending circular pipe point is relatively uniform, and this location structure is very simple, in addition, as preferably, in order to ensure the flatness of pipe, described rotary work-table is provided with supporting plate 63 below pipe, the thickness of supporting plate and positioning table consistency of thickness.When actual bending, a lot of pipe is not only confined to a bending, a lot of pipe can carry out repeatedly bending for the shape need of product, Given this, this programme improves on the positioning device, namely the activity orientation sheet 62 of more than at least a slice for secondary location is hinged with in the middle of described positioning table, activity orientation sheet can stir up and down, when pipe bending first, activity orientation sheet is in and does not upwards turn over state, when the bending of needs secondary, activity orientation sheet upwards stirs, the pipe left end of secondary bending is needed to align with activity orientation sheet, the position of activity orientation sheet can be carried out dismounting and be regulated.
Below only just the present invention preferably example be described, but can not be interpreted as it is limitations on claims.The present invention not only limits to and above example, and its concrete structure allows to change, and those skilled in the art can make various change and distortion according to the present invention, only otherwise depart from spirit of the present invention, all should belong to the scope that claims of the present invention define.
Claims (5)
1. the detent mechanism of a bending circular pipe device, it is characterized in that: comprise stationary work-table (1) and rotating rotary work-table (2), rotation round platform is provided with between stationary work-table and rotary work-table, pipe is positioned on stationary work-table, pipe in rotational direction bends along during Plane Rotation by rotary work-table, described stationary work-table is provided with first clamping device (11) of clamping pipe fore-end, first clamping device comprises the first chuck (110) and drives the drive unit (52) of the first chuck, described rotary work-table is provided with second clamping device (21) of clamping pipe rear end part, second clamping device comprises the second chuck (210) and drives the drive unit (52) of the second chuck, described stationary work-table is provided with positioning table (6), the head end of positioning table is provided with the L shape positioning strip (61) of pipe lateral attitude, location.
2. the detent mechanism of a kind of bending circular pipe device according to claim 1, is characterized in that: the clamping area that the first described chuck, the second chuck contact with pipe is provided with the circular arc concave surface of pipe of fitting.
3. the detent mechanism of a kind of bending circular pipe device according to claim 2, it is characterized in that: the first described clamping device is provided with transverse slipway (111) along pipe length direction, the first described chuck slides in transverse slipway.
4. the detent mechanism of a kind of bending circular pipe device according to claim 1, it is characterized in that: the first described clamping device and the second clamping device are all provided with micromatic setting, micromatic setting comprises screw rod (50) and regulating block (51), regulating block is fixed on the first clamping device or the second clamping device, screw rod one end and the first chuck or the second chuck is vertical is connected, the other end is threaded with regulating block.
5. the detent mechanism of a kind of bending circular pipe device according to claim 1, is characterized in that: described rotary work-table is provided with supporting plate (63) below pipe, the thickness of supporting plate and positioning table consistency of thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229960.XA CN104874653A (en) | 2015-05-07 | 2015-05-07 | Positioning mechanism of circular pipe bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229960.XA CN104874653A (en) | 2015-05-07 | 2015-05-07 | Positioning mechanism of circular pipe bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104874653A true CN104874653A (en) | 2015-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510229960.XA Pending CN104874653A (en) | 2015-05-07 | 2015-05-07 | Positioning mechanism of circular pipe bending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104874653A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189376A (en) * | 2017-12-29 | 2018-06-22 | 苏州宝特威机电有限公司 | Bumper former |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0076783B1 (en) * | 1981-10-01 | 1985-04-03 | FISCHER, Fritz | Machine for bending tubes and sectional bars |
| GB2187666B (en) * | 1986-03-15 | 1989-12-20 | Pressbend Ltd | Pipe bending apparatus |
| CN2485065Y (en) * | 2000-05-30 | 2002-04-10 | 颖霖机械工业股份有限公司 | Pipe-bending machine with control of precisive bending angle |
| CN203711550U (en) * | 2014-01-27 | 2014-07-16 | 常州腾龙汽车零部件股份有限公司 | Synchronous rotary idler wheel automatic bender |
| CN104226750A (en) * | 2014-09-05 | 2014-12-24 | 江苏申阳交通装备有限公司 | Automatic bending device for numerical control servo |
| CN204564852U (en) * | 2015-05-07 | 2015-08-19 | 浙江利帆家具有限公司 | A kind of detent mechanism of bending circular pipe device |
-
2015
- 2015-05-07 CN CN201510229960.XA patent/CN104874653A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0076783B1 (en) * | 1981-10-01 | 1985-04-03 | FISCHER, Fritz | Machine for bending tubes and sectional bars |
| GB2187666B (en) * | 1986-03-15 | 1989-12-20 | Pressbend Ltd | Pipe bending apparatus |
| CN2485065Y (en) * | 2000-05-30 | 2002-04-10 | 颖霖机械工业股份有限公司 | Pipe-bending machine with control of precisive bending angle |
| CN203711550U (en) * | 2014-01-27 | 2014-07-16 | 常州腾龙汽车零部件股份有限公司 | Synchronous rotary idler wheel automatic bender |
| CN104226750A (en) * | 2014-09-05 | 2014-12-24 | 江苏申阳交通装备有限公司 | Automatic bending device for numerical control servo |
| CN204564852U (en) * | 2015-05-07 | 2015-08-19 | 浙江利帆家具有限公司 | A kind of detent mechanism of bending circular pipe device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189376A (en) * | 2017-12-29 | 2018-06-22 | 苏州宝特威机电有限公司 | Bumper former |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150902 |
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| RJ01 | Rejection of invention patent application after publication |