CN86205562U - Hydraulic pipe-bender - Google Patents
Hydraulic pipe-bender Download PDFInfo
- Publication number
- CN86205562U CN86205562U CN 86205562 CN86205562U CN86205562U CN 86205562 U CN86205562 U CN 86205562U CN 86205562 CN86205562 CN 86205562 CN 86205562 U CN86205562 U CN 86205562U CN 86205562 U CN86205562 U CN 86205562U
- Authority
- CN
- China
- Prior art keywords
- metal ball
- bending machine
- lathe bed
- push rod
- workpiece
- 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.)
- Ceased
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Abstract
The utility model relates to a pipe-bender, particularly a hydraulic pipe-bender which is provided with a set of driving devices for metallic balls. Driving push rods of the metallic balls push the metallic balls stored in the memory of the metallic balls to move continuously in the workpieces during the bending work of the workpieces. The bending angles of the workpieces can be controlled by the shifting blocks of the bent tubes of a brake forming device. The surfaces of the inner and the outer pipe walls of the products which are processed by the hydraulic pipe-bender are smooth, and the bending position has no puckering and small ovality. The utility model has the advantages of high precision and convenient realization. Various actions of the hydraulic pipe-bender can be completed by a hydraulic oil cylinder.
Description
The utility model is the invention about bending machine.
Prior art is made of the bending machine that the metal pipe material bending forming adopts frame, rotating table device, clamping device, pane bending apparatus, hydraulic transmission, electrical control gear.In order to guarantee bending quality, usually adding fillers such as sand, fluid, low-melting alloy, plug or carry out mould in pipe fitting directly is pressed in the workpiece with punch press, perhaps adopt the method that adds die from the workpiece outside, perhaps employing prevents that from the method for inside and outside packing respectively of workpiece and die the workpiece sweep from becoming flat simultaneously.However, crudy still is difficult to guarantee, gauffer usually appears in the workpiece crooked position, cause tube wall surface rough, especially flatness is bigger, and the minimum diameter of crooked position can not get guaranteeing, need a large amount of fillers and mould in addition, it is time-consuming to add these fillers of taking-up and mould, and production efficiency is difficult to improve, and is difficult for realizing automation.
The purpose of this utility model provides a kind of hydraulic pipe bender, with its processing precise degree height, flatness is little, radius of curvature is little, the demanding bending pipe fitting of smoothness.
Its solution is, the lathe bed on the bending machine frame and the frame of level at angle, lathe bed one end is provided with the Metal Ball positive drive arrangement, the other end is provided with the Metal Ball backward driving device, pane bending apparatus is arranged between the forward and reverse drive unit.
The Metal Ball positive drive arrangement comprises the Metal Ball memory on the big support that is positioned on the rack inclining lathe bed and the big support, be equipped with in this Metal Ball memory that several are transportable, the Metal Ball of diameter identical with workpiece diameter (in fact should be slightly less than workpiece diameter), the one end is connected with spring chuck, and the other end is equipped with the forward push rod that can move in the Metal Ball memory.The forward push rod is equipped with hydraulic jack.
The Metal Ball backward driving device comprises: change workbench on lathe bed once, small rack is installed on rotary table, small rack is equipped with clamping sleeve near an end of spring chuck, and the reverse push rod that can move in this cover is arranged in the clamping sleeve, and oppositely hydraulic jack is equipped with in the push rod front portion.
The lathe bed bottom of bending machine is tightened to one with frame, and lathe bed top is a smooth rectangle table top that tilts, and there is fan-shaped table top its side, and the steel ball slideway is arranged on the table top.The big support that the Metal Ball positive drive arrangement is arranged on rectangle table top one end, rectangle table top and big support fuse securely.The Metal Ball backward driving device is installed on the steel ball slideway, can do gyration.Adjustment radial dimension slide plate on the rotary table is between the small rack of rotary table and Metal Ball backward driving device.
Workpiece clamps with spring chuck and clamping sleeve, forward and reverse push rod provides power by hydraulic jack separately, the Metal Ball that promotes the Metal Ball memory constantly moves back and forth in workpiece, the workpiece completion of processing, Metal Ball is oppositely being got back to the Metal Ball memory under push rod and the gravity effect, and two push rods also return to the initial position of oneself.
Pane bending apparatus between the forward and reverse drive unit of Metal Ball comprises the roller pillar that is fixed on the lathe bed, a fixing roller is arranged on the roller pillar, has bend pipe with shifting block and roller side main nip drum to be arranged above the roller.Bend pipe is equipped with a cover hydraulic jack with shifting block, and this cover hydraulic jack can be made up of two hydraulic jacks, and one of them hydraulic jack is pushed down roller downwards by shifting block.Another hydraulic jack promotes bend pipe and does gyration with shifting block, and this bend pipe drives main nip drum with shifting block, and workpiece is bent to desired angle.Pane bending apparatus is with the workpiece bending forming time, and Metal Ball constantly moves in workpiece, and the workpiece quality of bending forming is guaranteed.
When workpiece is during than the long tube material, lathe bed is a level, Metal Ball positive drive arrangement and pane bending apparatus only are set, can not establish the Metal Ball backward driving device, Metal Ball is under the promotion of forward push rod, along with the bending of workpiece, in workpiece, constantly move forward simultaneously, collect Metal Ball then and put back to the Metal Ball memory.
The Metal Ball memory of the forward and reverse drive unit of Metal Ball, Metal Ball, forward push rod, clamping sleeve, reverse push rod and bend pipe shifting block are demountable.The angle of bend of workpiece can guarantee with shifting block by the displacement bend pipe, for the workpiece of unlike material and specification can adopt suitable Metal Ball memory, Metal Ball, forward push rod, oppositely push rod, clamping sleeve, spring chuck, the roller of pane bending apparatus, main nip drum also will make corresponding changes.
The utility model has the advantages that the bending quality height: the workpiece crooked position is non-wrinkled, the inside and outside smooth surface of tube wall, ovality are little; Angle that can be crooked greater than 0 °, smaller or equal to 180 °; The various tubing of steel, aluminium, copper and δ S/ δ b＜0.75 all can be processed.Because exercises are finished by hydraulic jack, are convenient to realize automation, help enhancing productivity.
Accompanying drawing has been described the embodiment of the utility model hydraulic pipe bender.
Accompanying drawing 1 is the hydraulic pipe bender generalized section;
Accompanying drawing 3 is structural representations of the Metal Ball backward driving device of hydraulic pipe bender.
1 described with reference to the accompanying drawings.Bending machine of the present invention comprises frame (1), lathe bed (2), rotary table (3), workpiece spindle is to compressed oil cylinder (4), small rack (5), steel ball deboost oil cylinder (6), reverse hack lever (7), Work-sheet pressing cover (8) is adjusted radial dimension slide plate (11), compression spring (23), roller (9), main nip drum (21), roller pillar (10), bend pipe shifting block (12), bend pipe shifting block compressed oil cylinder (13), bend pipe shifting block push action cylinder (14), big support (15), spring chuck (16), steel ball memory (17), forward push rod (18), steel ball forward push action cylinder (19), steel ball (20).
With No. 45 steel of present embodiment hydraulic pipe bender processing, angle of bend is 90 °, length is 90 millimeters--200 millimeters pipe fitting, its process is: workpiece (24) one ends are placed in the spring chuck (16), workpiece with dop (16) from radially tightening workpiece, use the other end of clamping sleeve (8) again from the axial compression workpiece, after finishing adjustment and just locating, push action cylinder (19) begins action, promote forward push rod (18), steel ball (20) in the memory (17) is pushed workpiece, and up to the full whole work-piece of steel ball row, the piston rod of steel ball forward push action cylinder is just oppositely return, at this moment, steel ball deboost oil cylinder (6) begins action, promotes reverse push rod (7), pushes the steel ball in the workpiece to steel ball memory (17), depended on pressure spring (23) is oppositely return then, move by steel ball forward push action cylinder (19) again, such two oil cylinder alternating movements, steel ball constantly moves back and forth in workpiece.At steel ball just, when oppositely push rod moves, oil cylinder (13) action, the roller (9) that compresses shifting block (12) downwards and fuse with shifting block, under oil cylinder (14) action, promotion is stirred and is done gyration, drive main nip drum (21), workpiece begins bending, rotary table (3) is also done gyration thereupon, all stretches out up to the piston rod of oil cylinder (14), and the rod end sphere no longer promotes the bend pipe shifting block, processing just stops, at this moment steel ball just, the deboost oil cylinder returns to initial position immediately, and steel ball is got back in the steel ball memory (17) under deboost and gravity effect, and process is all finished.
Accompanying drawing 2 is second embodiment, this Hydraulic Double station bending machine is single station bending machine to be made two side by side form, process is substantially with single station bending machine, here no longer repeat, the gyration direction that is two rotary tables and pane bending apparatus is opposite, can improve effect like this.
Claims (8)
1, a kind of bending machine of forming by frame, rotating table device, clamping device, pane bending apparatus, hydraulic transmission, electrical control gear, it is characterized in that the lathe bed on the frame tilts, lathe bed one end has the Metal Ball positive drive arrangement, the other end has the Metal Ball backward driving device, and pane bending apparatus is arranged between the forward and reverse drive unit.
2, according to the described bending machine of claim 1, it is characterized in that the Metal Ball positive drive arrangement comprises the Metal Ball memory on the big support that is positioned on the rack inclining lathe bed and the big support, in this Metal Ball memory the Metal Ball that several are transportable, diameter is identical with workpiece diameter is housed, the one end is connected with spring chuck, the other end is equipped with the forward push rod that can move in the Metal Ball memory, the forward push rod is equipped with hydraulic jack.
3, according to the described bending machine of claim 1, it is characterized in that the Metal Ball backward driving device is included in changes workbench once on the lathe bed, small rack is installed on rotary table, small rack is equipped with clamping sleeve near an end of spring chuck, the reverse push rod that can move in this cover is arranged in the clamping sleeve, and oppositely hydraulic jack is equipped with in the push rod front portion.
4, according to the described bending machine of claim 1, it is characterized in that the lathe bed bottom is tightened to one with frame, lathe bed top is the smooth rectangle table top of an inclination, there is fan-shaped table top its side, the steel ball slideway is arranged on the table top, the big support of rectangle table top one end and metal positive drive arrangement fuses securely, and the Metal Ball backward driving device is installed on the steel ball slideway, and the adjustment radial dimension slide plate on the rotary table is between the small rack of rotary table and Metal Ball backward driving device.
5, according to the described bending machine of claim 1, the bend pipe that it is characterized in that pane bending apparatus has a cover hydraulic jack with shifting block, this cover hydraulic jack can be made up of two hydraulic jacks, one of them hydraulic jack is pushed down roller downwards by shifting block, and another oil cylinder promotes shifting block and does gyration.
6,, it is characterized in that Metal Ball memory, Metal Ball, forward push rod, clamping sleeve, reverse push rod and the bend pipe of the forward and reverse drive unit of Metal Ball is demountable with the roller of shifting block and building mortion, main nip drum according to the described bending machine of claim 1.
7, according to the described bending machine of claim 1, it is characterized in that Metal Ball positive drive arrangement and pane bending apparatus can only being set for than the long tube material time when workpiece, lathe bed can be a level.
8,, it is characterized in that bending machine can make the double bending machine according to the described bending machine of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86205562 CN86205562U (en) | 1986-08-04 | 1986-08-04 | Hydraulic pipe-bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86205562 CN86205562U (en) | 1986-08-04 | 1986-08-04 | Hydraulic pipe-bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86205562U true CN86205562U (en) | 1987-10-03 |
Family
ID=4808384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86205562 Ceased CN86205562U (en) | 1986-08-04 | 1986-08-04 | Hydraulic pipe-bender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86205562U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316972A (en) * | 2013-06-08 | 2013-09-25 | 清华大学 | Small portable self-adaptive hydraulic pipe bender |
| CN103920810A (en) * | 2014-04-17 | 2014-07-16 | 上海锅炉厂有限公司 | Bending and forming die for double-body pipe and process method |
| CN105935711A (en) * | 2016-07-10 | 2016-09-14 | 江苏凯宇不锈钢制品有限公司 | Preparation technology of stainless steel coil pipes |
-
1986
- 1986-08-04 CN CN 86205562 patent/CN86205562U/en not_active Ceased
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316972A (en) * | 2013-06-08 | 2013-09-25 | 清华大学 | Small portable self-adaptive hydraulic pipe bender |
| CN103316972B (en) * | 2013-06-08 | 2015-06-24 | 清华大学 | Small portable self-adaptive hydraulic pipe bender |
| CN103920810A (en) * | 2014-04-17 | 2014-07-16 | 上海锅炉厂有限公司 | Bending and forming die for double-body pipe and process method |
| CN103920810B (en) * | 2014-04-17 | 2016-02-03 | 上海锅炉厂有限公司 | A kind of two barrel bending and forming mould and process |
| CN105935711A (en) * | 2016-07-10 | 2016-09-14 | 江苏凯宇不锈钢制品有限公司 | Preparation technology of stainless steel coil pipes |
| CN105935711B (en) * | 2016-07-10 | 2018-03-20 | 江苏凯宇不锈钢制品有限公司 | A kind of preparation technology of Stainless Steel Coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CU02 | Correction of gazette and description of patent for utility model |
Correction item: Applicant Correct: Liu Tonglin False: Liu Fulin Number: 41 Page: 19 Volume: 3 Correction item: Designer Correct: Liu Tonglin False: Liu Fulin Number: 41 Page: 19 Volume: 3 Correction item: Applicant Correct: Liu Tonglin False: Liu Fulin Number: 41 Page: 87 Volume: 3 Correction item: Applicant Correct: Liu Tonglin False: Liu Fulin Number: 41 Page: 83 Volume: 3 Correction item: Applicant Correct: Liu Tonglin False: Liu Fulin Number: 41 Page: 75 Volume: 3 |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right | ||
| ERR | Gazette correction |
Free format text: CORRECT: APPLICANT; FROM: LIU FULIN TO: LIU TONGLIN Free format text: CORRECT: DESIGNER; FROM: LIU FULIN TO: LIU TONGLIN |