CN107695119A - A kind of single lead screw ex truding briquetting machine of metal tube - Google Patents
A kind of single lead screw ex truding briquetting machine of metal tube Download PDFInfo
- Publication number
- CN107695119A CN107695119A CN201711112119.8A CN201711112119A CN107695119A CN 107695119 A CN107695119 A CN 107695119A CN 201711112119 A CN201711112119 A CN 201711112119A CN 107695119 A CN107695119 A CN 107695119A
- Authority
- CN
- China
- Prior art keywords
- die shoe
- metal tube
- block
- upper module
- lead screw
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
Abstract
The present invention relates to manufacturing equipment field, it is especially a kind of single lead screw ex truding briquetting machine of metal tube, including pedestal, die shoe, upper module, lower air cylinder, buffer unit and liftout attachment, on front side of die shoe fixed pedestal, upper module is arranged at directly over die shoe, and lower air cylinder is fixed at the top of pedestal, and lower air cylinder is connected with upper module, buffer unit is arranged between lower air cylinder and upper module, and liftout attachment is arranged at pedestal back.The present invention uses the design of automation, simple in construction, simple to operate, it is only necessary to metal tube is positioned on die shoe, drives upper module to carry out extrusion forming to metal derby by lower air cylinder；And it is provided with buffer unit and liftout attachment, the effect of buffer unit is that the pressure buffer formula of upper module is applied on metal tube and die shoe, prevent die shoe and metal derby because of rapidly stress, cause deformation extent excessive and scrap, the effect of liftout attachment is to eject the metal tube after shaping from die shoe, in order to the unloading of metal tube.
Description
Technical field
The present invention relates to manufacturing equipment field, is especially a kind of single lead screw ex truding briquetting machine of metal tube.
Background technology
In manufacturing industry, according to production technology, it is necessary to the straight metal tube of length be carried out into bending, the metal tube after bending is used for
Moulding, connection or support etc. act on, traditional, are to carry out bending using artificial mostly for more elongated metal tube, this
Kind method wastes time and energy, radian low precision, and efficiency is low.And the bender of existing automation, most complicated, cost
Height, and the loading of metal tube and unloading operation are very complicated.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of single lead screw ex truding briquetting machine of metal tube.
To solve the above problems, the present invention provides following technical scheme：
A kind of single lead screw ex truding briquetting machine of metal tube, including pedestal, die shoe, upper module, lower air cylinder, buffer unit and ejection dress
Put, on front side of die shoe fixed pedestal, upper module is arranged at directly over die shoe, and lower air cylinder is fixed at the top of pedestal, under calm the anger
Cylinder is connected with upper module makees straight line elevating movement for driving upper module relative to die shoe, and buffer unit is arranged at down
Between air cylinder and upper module, liftout attachment is arranged at pedestal back, and liftout attachment is used for the metal tube after shaping from lower mould
Ejected on seat.
Further, pedestal includes bottom plate, transverse slat and top plate, and the transverse slat setting is brave to be connected on bottom plate, and top plate is horizontal
It is brave to be connected at the top of transverse slat, the rectangular channel of corresponding die shoe setting is provided with bottom plate positioned at the front of transverse slat, die shoe bottom is embedded
In rectangular channel, die shoe is bolted on bottom plate, and die shoe is provided with the countersunk head passed through for bolt.
Further, the die shoe is in cuboid-type, and the both ends of die shoe are equipped with what inclined downward laterally was set
Inclined plane, the upper surface of die shoe, the first groove for offering along the middle separated time of die shoe wide line section semicircular in shape；Upper mould
The lower surface of block is provided with the second groove coordinated with the first groove, the first groove and the second groove and formed under mutually attaching together state in one
Duan Shuiping, both ends inclined round bar shape forming cavity downwards.
Further, upper module designs for three-stage, and upper module includes the tilting section at horizontal segment and both ends, horizontal segment and
Two tilting sections collectively form the upper module after mutually splicing, the second groove takes shape in the lower surface of horizontal segment and two tilt
On the lower inclined plane of section.
Further, buffer unit includes upper contiguous block, lower connecting block, guide rail, top shoe, sliding block, guide rod and bullet
Spring, guide rail are bolted on the preceding surface of transverse slat in upright state, and top shoe and sliding block are slidably fitted in described
On guide rail, upper contiguous block, which is horizontal, to be bolted on top shoe, and lower connecting block is horizontal to be consolidated by bolt
It is scheduled on sliding block, guide rod is first connected on lower connecting block through upper contiguous block rear thread from top to bottom, and the upper end of guide rod is provided with
Spacing head, on the spring suit guide rod and both ends of spring contradict in the upper of the lower surface of upper contiguous block and lower connecting block respectively
On end face, upper contiguous block contradicts on spacing head under the force of a spring；The upper module is bolted on lower connection
The preceding surface of block, lower air cylinder are fixed on top plate, and the take-off lever of lower air cylinder is connected to contiguous block through top plate rear thread
On.
Further, guide rail is provided with two, and corresponding top shoe and sliding block are provided with two, are led described in two
Rail interval and arranged in parallel, the height of two top shoes and two sliding blocks residing on two guide rails
It is identical；Upper contiguous block is fixed on two top shoes, and lower connecting block is fixed on two sliding blocks.
Further, guide rod is provided with least one pair of, and corresponding spring is provided with least one pair of, and a pair of guide rods are along upper
The middle separated time of contiguous block or the middle separated time of lower connecting block are symmetrical arranged.
Further, liftout attachment includes ejection cylinder and jacking block, the back of transverse slat correspondingly eject cylinder and be provided with two
The epimere that block gap is set, the mounting bracket for being used for fixed ejection cylinder is provided with the back of two pieces of epimeres, ejects cylinder screw thread
It is connected on the mounting bracket, the jacking block is in cuboid, and jacking block coordinates with transverse slat activity grafting, ejects the take-off lever of cylinder
The end of the jacking block is connected to, the jacking block front end is provided with wedge-shaped part, and ejection cylinder can drive jacking block to die shoe side
To movement, wedge-shaped part can pass through the first groove with jacking block synchronizing moving.
The invention has the advantages that：The present invention provides a kind of single lead screw ex truding briquetting machine of metal tube herein by improving, with showing
There is same type equipment to compare, there is following improvement and advantage：It is simple in construction using the design of automation, it is simple to operate, it is only necessary to will
Metal tube is positioned on die shoe, metal derby is extruded by lower air cylinder driving upper module, metal tube is according to forming cavity
Shape becomes the horizontal both ends in stage casing inclined apperance downwards；And it is provided with buffer unit and liftout attachment, buffer unit
Effect be that the pressure buffer formula of upper module is applied on metal tube and die shoe, prevent die shoe and metal derby because of urgency
Fast stress, causing deformation extent excessive and scrap, the effect of liftout attachment is to eject the metal tube after shaping from die shoe,
In order to the unloading of metal tube.
Brief description of the drawings
Fig. 1 is dimensional structure diagram one of the present invention；
Fig. 2 is dimensional structure diagram two of the present invention；
Fig. 3 is dimensional structure diagram three of the present invention；
Fig. 4 is enlarged drawing at A in Fig. 3 of the present invention；
Fig. 5 is positive structure diagram of the present invention；
Fig. 6 is side structure schematic view of the present invention；
Description of reference numerals：Pedestal 1, bottom plate 1a, transverse slat 1b, epimere 1b1, top plate 1c, die shoe 2, the first groove 2a, second is recessed
Groove 2b, upper module 3, horizontal segment 3a, tilting section 3b, lower air cylinder 4, buffer unit 5, upper contiguous block 5a, lower connecting block 5b, guide rail
5c, top shoe 5d, sliding block 5e, guide rod 5f, spacing head 5f1, spring 5g, eject cylinder 6a, jacking block 6b, wedge-shaped part 6b1, installation
Frame 6c.
Embodiment
Below in conjunction with accompanying drawing 1- Fig. 6, the present invention is described in detail, and the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole realities
Apply example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
Every other embodiment, belong to the scope of protection of the invention.
The present invention provides a kind of single lead screw ex truding briquetting machine of metal tube herein by improving, as shown in figs 1 to 6, including pedestal 1,
Die shoe 2, upper module 3, lower air cylinder 4, buffer unit 5 and liftout attachment, the front side of 2 fixed pedestal of die shoe 1, upper module 3 are set
It is placed in directly over die shoe 2, lower air cylinder 4 is fixed on the top of pedestal 1, and lower air cylinder 4 is connected with upper module 3 for driving
Dynamic upper module 3 makees straight line elevating movement relative to die shoe 2, and after metal tube is positioned on die shoe 2, upper module 3 is pushed to gold
The both ends of category pipe are extruded, and make the both ends bending of metal tube, and buffer unit 5 is arranged between lower air cylinder 4 and upper module 3,
The effect of buffer unit 5 is that the pressure buffer formula of upper module 3 is applied on metal tube and die shoe 2, prevent die shoe 2 with
And metal derby causes deformation extent excessive and scrapped, liftout attachment is arranged at the back of pedestal 1, and liftout attachment is used because of rapidly stress
Ejected in the metal tube after by shaping from die shoe 2, in order to the unloading of metal tube.
Pedestal 1 includes bottom plate 1a, transverse slat 1b and top plate 1c, and the transverse slat 1b settings are brave to be connected on bottom plate 1a, top plate 1c
The horizontal brave rectangular channel for being connected at the top of transverse slat 1b, being set on bottom plate 1a positioned at transverse slat 1b front provided with corresponding die shoe 2, lower mould
2 bottoms of seat are embedded in rectangular channel, and die shoe 2 is bolted on bottom plate 1a, and die shoe 2 is provided with what is passed through for bolt
Countersunk head.
The bottom of die shoe 2 is fixed in rectangular channel by way of being embedded, and the position of die shoe 2 can be fixed, and is prevented
Displacement only is produced after the long-time use of die shoe 2, causes the reduction of metal tube formed precision.
The die shoe 2 is in cuboid-type, and the both ends of die shoe 2 are equipped with the inclined plane that inclined downward is set laterally,
The upper surface of die shoe 2, the first groove 2a for offering along the middle separated time of the wide line of die shoe 2 section semicircular in shape；Upper module 3
Lower surface be provided with the first groove 2a coordinate the second groove 2b, the first groove 2a and the second groove 2b structure in the case where mutually attaching together state
Into a stage casing is horizontal, both ends inclined round bar shape forming cavity downwards.
After metal tube is positioned in the first groove 2a, drives upper module 3 to push by lower air cylinder 4, make the first groove 2a
It is harmonious with the second groove 2b, metal tube becomes the horizontal both ends in stage casing inclined apperance downwards according to the shape of forming cavity.
Opened up for the ease of the second groove 2b on upper module 3, upper module 3 designs for three-stage, and upper module 3 includes level
The section 3a and tilting section 3b at both ends, horizontal segment 3a and two tilting section 3b phases collectively form the upper module 3 after splicing, and second
Groove 2b is taken shape on horizontal segment 3a lower surface and two tilting section 3b lower inclined plane, can be respectively in horizontal segment by milling machine
A linear semi-circular groove is milled out on 3a and two tilting section 3b, then splices horizontal segment 3a and two tilting section 3b
Upper module 3 is formed afterwards, in the second groove 2b of the lower surface self-assembling formation special shape of upper module 3.
Buffer unit 5 include upper contiguous block 5a, lower connecting block 5b, guide rail 5c, top shoe 5d, sliding block 5e, guide rod 5f with
And spring 5g, guide rail 5c are bolted on transverse slat 1b preceding surface in upright state, top shoe 5d and sliding block 5e are equal
It is slidably fitted on the guide rail 5c, upper contiguous block 5a, which is horizontal, to be bolted on top shoe 5d, lower connecting block
5b, which is horizontal, to be bolted on sliding block 5e, and guide rod 5f first connects through upper contiguous block 5a rear threads from top to bottom
On lower connecting block 5b, guide rod 5f upper end is provided with spacing head 5f1, and spring 5g suit guide rods 5f is upper and spring 5g both ends are divided
Do not contradict on upper contiguous block 5a lower surface and lower connecting block 5b upper surface, active forces of the upper contiguous block 5a in spring 5g
Lower conflict is on spacing head 5f1；The upper module 3 is bolted on lower connecting block 5b preceding surface, and lower air cylinder 4 is fixed
On top plate 1c, the take-off lever of lower air cylinder 4 is connected on contiguous block 5a through top plate 1c rear threads.
Can be to lower connecting block 5b by guide rail 5c and sliding block 5e cooperation, that is, the upper mould that is fixed on lower connecting block 5b
The elevating movement of block 3 is accurately oriented to, so as to ensure the bending precision of metal tube；And calmed the anger by the spring 5g by under
Cylinder 4 is applied to the active force on contiguous block 5a, and buffer-type is applied to lower connecting block 5b, i.e., on upper module 3.
Guide rail 5c is provided with two, and corresponding top shoe 5d and sliding block 5e are provided with two, two guide rails
5c intervals and arranged in parallel, two top shoe 5d and two sliding block 5e are residing on two guide rail 5c
Height it is identical；Upper contiguous block 5a is fixed on two top shoe 5d, and lower connecting block 5b is fixed on two sliding blocks
On 5e.
Two guide rail 5c, two top shoe 5d and two sliding block 5e design, contiguous block 5a and lower company can be made
The installment state for meeting block 5b is more consolidated, balanced.
Guide rod 5f is provided with least one pair of, and corresponding spring 5g is provided with least one pair of, and a pair of guide rod 5f are along upper company
Connect block 5a middle separated time or lower connecting block 5b middle separated time is symmetrical arranged, so that the transmission of power is more uniform.
Liftout attachment includes ejection cylinder 6a and jacking block 6b, and transverse slat 1b back correspondingly ejects cylinder 6a and is provided with two pieces
Spaced epimere 1b1, the mounting bracket 6c for being used for fixed ejection cylinder 6a, epimere are provided with two pieces of epimere 1b1 back
1b1 is connected on bottom plate 1a and top plate 1c for being carried to the overall stability of pedestal 1 to upper and lower ends extension
Height, ejection cylinder 6a are threaded on the mounting bracket 6c, and the jacking block 6b is in cuboid, and jacking block 6b and transverse slat 1b is movable
Grafting coordinates, and ejection cylinder 6a take-off lever is connected to the end of the jacking block 6b, and the jacking block 6b front ends are provided with wedge-shaped part
6b1, ejection cylinder 6a can drive jacking block 6b to be moved to the direction of die shoe 2, and wedge-shaped part 6b1 can be worn with jacking block 6b synchronizing movings
The first groove 2a is crossed, the metal tube being placed on the first groove 2a is ejected from the first groove 2a, to facilitate unloading.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
- A kind of 1. single lead screw ex truding briquetting machine of metal tube, it is characterised in that：Including pedestal（1）, die shoe（2）, upper module（3）, push Cylinder（4）, buffer unit（5）And liftout attachment, die shoe（2）Fixed pedestal（1）Front side, upper module（3）It is arranged at die shoe （2）Surface, lower air cylinder（4）It is fixed on pedestal（1）Top, lower air cylinder（4）With upper module（3）Drive connection is for drive Dynamic upper module（3）Relative to die shoe（2）Make straight line elevating movement, buffer unit（5）It is arranged at lower air cylinder（4）And upper module （3）Between, liftout attachment is arranged at pedestal（1）Back, liftout attachment are used for the metal tube after shaping from die shoe（2）Upper top Go out.
- A kind of 2. single lead screw ex truding briquetting machine of metal tube according to claim 1, it is characterised in that：Pedestal（1）Including bottom plate （1a）, transverse slat（1b）And top plate（1c）, the transverse slat（1b）Erect and brave be connected on bottom plate（1a）On, top plate（1c）Level is brave to be connected on Transverse slat（1b）Top, bottom plate（1a）It is upper to be located at transverse slat（1b）Front be provided with corresponding die shoe（2）The rectangular channel of setting, die shoe （2）Bottom is embedded in rectangular channel, die shoe（2）It is bolted on bottom plate（1a）On, die shoe（2）It is provided with and supplies bolt The countersunk head passed through.
- A kind of 3. single lead screw ex truding briquetting machine of metal tube according to claim 2, it is characterised in that：The die shoe（2）In length Cube type, die shoe（2）Both ends be equipped with the inclined plane that inclined downward laterally is set, die shoe（2）Upper surface, under Die holder（2）The middle separated time of wide line offers the first groove of section semicircular in shape（2a）；Upper module（3）Lower surface be provided with First groove（2a）The second groove coordinated（2b）, the first groove（2a）With the second groove（2b）Formed under mutually attaching together state in one Duan Shuiping, both ends inclined round bar shape forming cavity downwards.
- A kind of 4. single lead screw ex truding briquetting machine of metal tube according to claim 3, it is characterised in that：Upper module（3）For three-stage Design, upper module（3）Including horizontal segment（3a）And the tilting section at both ends（3b）, horizontal segment（3a）With two tilting sections（3b）Phase The upper module is collectively formed after splicing（3）, the second groove（2b）Take shape in horizontal segment（3a）Lower surface and two inclination Section（3b）Lower inclined plane on.
- A kind of 5. single lead screw ex truding briquetting machine of metal tube according to claim 4, it is characterised in that：Buffer unit（5）Including upper Contiguous block（5a）, lower connecting block（5b）, guide rail（5c）, top shoe（5d）, sliding block（5e）, guide rod（5f）And spring（5g）, Guide rail（5c）Transverse slat is bolted in upright state（1b）Preceding surface on, top shoe（5d）And sliding block（5e）It is sliding It is dynamic to coordinate in the guide rail（5c）On, upper contiguous block（5a）It is horizontal and is bolted on top shoe（5d）On, lower company Connect block（5b）It is horizontal and is bolted on sliding block（5e）On, guide rod（5f）First run through upper contiguous block from top to bottom （5a）Rear thread is connected to lower connecting block（5b）On, guide rod（5f）Upper end be provided with spacing head（5f1）, spring（5g）It is set with guide rod （5f）Upper and spring（5g）Both ends contradict respectively in upper contiguous block（5a）Lower surface and lower connecting block（5b）Upper end On face, upper contiguous block（5a）In spring（5g）Active force under contradict in spacing head（5f1）On；The upper module（3）Pass through spiral shell Bolt is fixed on lower connecting block（5b）Preceding surface, lower air cylinder（4）It is fixed on top plate（1c）On, lower air cylinder（4）Take-off lever Through top plate（1c）Rear thread is connected to contiguous block（5a）On.
- A kind of 6. single lead screw ex truding briquetting machine of metal tube according to claim 5, it is characterised in that：Guide rail（5c）It is provided with two It is individual, corresponding top shoe（5d）And sliding block（5e）Two are provided with, two guide rails（5c）It is spaced and mutually flat Row is set, two top shoes（5d）And two sliding blocks（5e）In two guide rails（5c）Upper residing height phase Together；Upper contiguous block（5a）It is fixed on two top shoes（5d）On, lower connecting block（5b）It is fixed on two sliding blocks （5e）On.
- A kind of 7. single lead screw ex truding briquetting machine of metal tube according to claim 5, it is characterised in that：Guide rod（5f）It is provided with least A pair, corresponding spring（5g）At least one pair of is provided with, a pair of guide rods（5f）Along upper contiguous block（5a）Middle separated time or Lower connecting block（5b）Middle separated time be symmetrical arranged.
- A kind of 8. single lead screw ex truding briquetting machine of metal tube according to claim 3, it is characterised in that：Liftout attachment includes ejection gas Cylinder（6a）And jacking block（6b）, transverse slat（1b）Back correspondingly eject cylinder（6a）It is provided with the epimere of two block gaps setting （1b1）, in two pieces of epimeres（1b1）Back be provided with and be used for fixed ejection cylinder（6a）Mounting bracket（6c）, eject cylinder （6a）It is threaded in the mounting bracket（6c）On, the jacking block（6b）In cuboid, jacking block（6b）With transverse slat（1b）Activity Grafting coordinates, and ejects cylinder（6a）Take-off lever be connected to the jacking block（6b）End, the jacking block（6b）Front end is provided with Wedge-shaped part（6b1）, eject cylinder（6a）Jacking block can be driven（6b）To die shoe（2）Direction is moved, wedge-shaped part（6b1）With jacking block （6b）Synchronizing moving can pass through the first groove（2a）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112119.8A CN107695119A (en) | 2017-11-13 | 2017-11-13 | A kind of single lead screw ex truding briquetting machine of metal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112119.8A CN107695119A (en) | 2017-11-13 | 2017-11-13 | A kind of single lead screw ex truding briquetting machine of metal tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107695119A true CN107695119A (en) | 2018-02-16 |
Family
ID=61179166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711112119.8A Pending CN107695119A (en) | 2017-11-13 | 2017-11-13 | A kind of single lead screw ex truding briquetting machine of metal tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN107695119A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586830A (en) * | 2019-09-29 | 2019-12-20 | 叶晓丹 | Forging and pressing machine with abutting pressure dividing structure |
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| US2357605A (en) * | 1941-12-19 | 1944-09-05 | Blackburn Aircraft Ltd | Production of bent tubes |
| US3667269A (en) * | 1969-08-27 | 1972-06-06 | Paweck Ag | Apparatus for the cold-bending of pipes |
| JPS60174217A (en) * | 1984-02-21 | 1985-09-07 | Honda Motor Co Ltd | Pipe bending device |
| CN105081022A (en) * | 2015-09-14 | 2015-11-25 | 哈尔滨工业大学 | Bending molding method for opening type profile with asymmetric section |
| CN206139685U (en) * | 2016-10-27 | 2017-05-03 | 安徽盛运重工机械有限责任公司 | Curved system frock of railing steel pipe |
| CN107186016A (en) * | 2017-07-20 | 2017-09-22 | 古宏亮 | A kind of copper pipe apparatus for bending |
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2017
- 2017-11-13 CN CN201711112119.8A patent/CN107695119A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2357605A (en) * | 1941-12-19 | 1944-09-05 | Blackburn Aircraft Ltd | Production of bent tubes |
| US3667269A (en) * | 1969-08-27 | 1972-06-06 | Paweck Ag | Apparatus for the cold-bending of pipes |
| JPS60174217A (en) * | 1984-02-21 | 1985-09-07 | Honda Motor Co Ltd | Pipe bending device |
| CN105081022A (en) * | 2015-09-14 | 2015-11-25 | 哈尔滨工业大学 | Bending molding method for opening type profile with asymmetric section |
| CN206139685U (en) * | 2016-10-27 | 2017-05-03 | 安徽盛运重工机械有限责任公司 | Curved system frock of railing steel pipe |
| CN107186016A (en) * | 2017-07-20 | 2017-09-22 | 古宏亮 | A kind of copper pipe apparatus for bending |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586830A (en) * | 2019-09-29 | 2019-12-20 | 叶晓丹 | Forging and pressing machine with abutting pressure dividing structure |
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