CN104874691A - Clamping device of pipe bender - Google Patents
Clamping device of pipe bender Download PDFInfo
- Publication number
- CN104874691A CN104874691A CN201510229986.4A CN201510229986A CN104874691A CN 104874691 A CN104874691 A CN 104874691A CN 201510229986 A CN201510229986 A CN 201510229986A CN 104874691 A CN104874691 A CN 104874691A
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- CN
- China
- Prior art keywords
- clamping device
- chuck
- pipe
- clamping
- bending machine
- 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
- 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
- B21D7/02—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention discloses a clamping device of a pipe bender. The clamping device comprises a stationary work table and a rotary work table capable of rotating; a rotary circular bench is disposed between the stationary work table and the rotary work table; the stationary work table is provided with a first clamping apparatus for positioning the front portion of a circular pipe; the rotary work table is provided with a second clamping apparatus for clamping the rear portion of the circular pipe; the first and second clamping apparatuses are positioned at the same side of the circular pipe; the rotary circular bench is positioned at the other side of the circular pipe; the first and second clamping apparatuses are respectively provided with a first chuck and a second chuck; the first and second chucks are respectively driven by driving devices; and the first and second clamping apparatuses are respectively provided with fine adjusting devices for adjusting initial distances between the first and second chucks and the circular pipe. The circular pipe is clamped by multiple segments and is not easy to loosen, and the clamping effect is good.
Description
Technical field
The present invention relates to a kind of clamping device of bending machine.
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 problem considered when bending process: the clamping degree of pipe, if pipe has loosening in Forging Process, very large to bending Accuracy, because pipe length is longer, if only clamped one end, the other end then has loosening.
Summary of the invention
The technical issues that need to address of the present invention are, provide a kind of clamping device of bending machine, and multi-segment clamps, and clamping effect is good, is not easy to loosen.
Technical scheme of the present invention is: a kind of clamping device of bending machine, comprise stationary work-table and rotating rotary work-table, rotation round platform is provided with in the middle of stationary work-table and rotary work-table, described stationary work-table is provided with the first clamping device of location pipe fore-end, described rotary work-table is provided with the second clamping device of location pipe rear end part, first, second clamping device is positioned at the homonymy of pipe, rotate the opposite side that round platform is positioned at pipe, first, second clamping device is respectively equipped with the first chuck and the second chuck, first, second chuck drives by drive unit, first, second clamping device is respectively equipped with adjustment first chuck, the micromatic setting of the second chuck and pipe initial distance.
Preferably, the first clamping device comprises slide unit, and slide unit is provided with longitudinal slide rail, is provided with slide plate in slide rail, and the first described chuck is located on slide plate.
Preferably, the clamping area that the first described chuck contacts with pipe is provided with the circular arc concave surface of pipe of fitting.
Preferably, the second clamping device comprises slide unit, and slide unit is provided with longitudinal slide rail, is provided with slide plate in slide rail, and the second described chuck is located on slide plate.
Preferably, the clamping area that the second described chuck contacts with pipe is provided with the circular arc concave surface of pipe of fitting.
Preferably, described micromatic setting comprises screw rod and regulating block, and 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, and the other end is threaded with regulating block.
Preferably, described rotation round platform comprises circular base station, and circular base station axle center is coaxially provided with dismountable rotating disk, and the sidewall of described rotating disk is provided with circular arc concave surface.
After adopting the technical program, this programme adopts multi-segment clamping to the clamping of pipe, first clamping device is located the front end of pipe, second clamping device is located the rear end of pipe, the mid portion of pipe is fitted with rotation round platform, realize a leg-of-mutton layout, clamping effect is good, first clamping device and the second clamping device back and forth clamp under drive unit drives, the action of unclamping, and each clamping device is provided with one for regulating the micromatic setting of chuck and pipe initial distance, because pipe has a lot of different size, the pipe of different-diameter, the initial position of chuck is also different, so micromatic setting will be utilized to regulate this position.
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 clamping device of bending machine, 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, and sliding in slide rail has slide plate 54, the second chuck described in slide plate one end connects, the slide plate other end drives by drive unit, the structure of the first clamping device and the similar of the second clamping device.
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 (7)
1. the clamping device of a bending machine, it is characterized in that: comprise stationary work-table (1) and rotating rotary work-table (2), stationary work-table and middle being provided with of rotary work-table rotate round platform (3), described stationary work-table is provided with first clamping device (11) of location pipe fore-end, described rotary work-table is provided with second clamping device (21) of location pipe rear end part, first, second clamping device is positioned at the homonymy of pipe, rotate the opposite side that round platform is positioned at pipe, first, second clamping device is respectively equipped with the first chuck and the second chuck, first, second chuck drives by drive unit (52), first, second clamping device is respectively equipped with adjustment first chuck, the micromatic setting of the second chuck and pipe initial distance.
2. the clamping device of a kind of bending machine according to claim 1, it is characterized in that: the first clamping device comprises slide unit, slide unit is provided with longitudinal slide rail, is provided with slide plate in slide rail, and described the first chuck (110) is located on slide plate.
3. the clamping device of a kind of bending machine according to claim 2, is characterized in that: the clamping area that the first described chuck contacts with pipe is provided with the circular arc concave surface of pipe of fitting.
4. the clamping device of a kind of bending machine according to claim 1, it is characterized in that: the second clamping device comprises slide unit, slide unit is provided with longitudinal slide rail, is provided with slide plate in slide rail, and described the second chuck (210) is located on slide plate.
5. the clamping device of a kind of bending machine according to claim 4, is characterized in that: the clamping area that the second described chuck contacts with pipe is provided with the circular arc concave surface of pipe of fitting.
6. the clamping device of a kind of bending machine according to claim 1, it is characterized in that: described 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.
7. the clamping device of a kind of bending machine according to claim 1, it is characterized in that: described rotation round platform comprises circular base station (30), circular base station axle center is coaxially provided with dismountable rotating disk (32), and the sidewall of described rotating disk is provided with circular arc concave surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229986.4A CN104874691A (en) | 2015-05-07 | 2015-05-07 | Clamping device of pipe bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229986.4A CN104874691A (en) | 2015-05-07 | 2015-05-07 | Clamping device of pipe bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104874691A true CN104874691A (en) | 2015-09-02 |
Family
ID=53942516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510229986.4A Pending CN104874691A (en) | 2015-05-07 | 2015-05-07 | Clamping device of pipe bender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104874691A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234225A (en) * | 2015-10-26 | 2016-01-13 | 扬中市三环电热科技有限公司 | Clamping device for full-automatic pipe bending machine |
| CN110202032A (en) * | 2019-06-17 | 2019-09-06 | 衢州后瑞机械设备有限公司 | The manufacturing method of titanium alloy seamless pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3724258A (en) * | 1970-03-12 | 1973-04-03 | Cojafex | Apparatus for bending elongate objects |
| US4078411A (en) * | 1976-11-15 | 1978-03-14 | Eaton-Leonard Corporation | Floating clamp die |
| CN2351226Y (en) * | 1998-09-03 | 1999-12-01 | 泓全机械有限公司 | Continuous knee-bending pipe bender |
| 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 |
| CN201482839U (en) * | 2009-09-07 | 2010-05-26 | 张家港和升数控机床制造有限公司 | Driving device of accessory clamping die base of full-automatic pipe bender |
| CN102773357A (en) * | 2012-07-09 | 2012-11-14 | 和和机械（张家港）有限公司 | Feeding clamping device in full-automatic numerical control hydraulic pipe bender |
| CN204564971U (en) * | 2015-05-07 | 2015-08-19 | 浙江利帆家具有限公司 | A kind of clamping device of bending machine |
-
2015
- 2015-05-07 CN CN201510229986.4A patent/CN104874691A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3724258A (en) * | 1970-03-12 | 1973-04-03 | Cojafex | Apparatus for bending elongate objects |
| US4078411A (en) * | 1976-11-15 | 1978-03-14 | Eaton-Leonard Corporation | Floating clamp die |
| CN2351226Y (en) * | 1998-09-03 | 1999-12-01 | 泓全机械有限公司 | Continuous knee-bending pipe bender |
| 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 |
| CN201482839U (en) * | 2009-09-07 | 2010-05-26 | 张家港和升数控机床制造有限公司 | Driving device of accessory clamping die base of full-automatic pipe bender |
| CN102773357A (en) * | 2012-07-09 | 2012-11-14 | 和和机械（张家港）有限公司 | Feeding clamping device in full-automatic numerical control hydraulic pipe bender |
| CN204564971U (en) * | 2015-05-07 | 2015-08-19 | 浙江利帆家具有限公司 | A kind of clamping device of bending machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234225A (en) * | 2015-10-26 | 2016-01-13 | 扬中市三环电热科技有限公司 | Clamping device for full-automatic pipe bending machine |
| CN110202032A (en) * | 2019-06-17 | 2019-09-06 | 衢州后瑞机械设备有限公司 | The manufacturing method of titanium alloy seamless pipe |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150902 |