CN205085209U - Vertical many ripples of major diameter bellows one -time forming machine - Google Patents
Vertical many ripples of major diameter bellows one -time forming machine Download PDFInfo
- Publication number
- CN205085209U CN205085209U CN201520771896.3U CN201520771896U CN205085209U CN 205085209 U CN205085209 U CN 205085209U CN 201520771896 U CN201520771896 U CN 201520771896U CN 205085209 U CN205085209 U CN 205085209U
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- major diameter
- diameter bellows
- pipe
- mould
- oil cylinder
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Abstract
The utility model discloses a vertical many ripples of major diameter bellows one -time forming machine down includes roof, backup pad, bottom plate and base in proper order on the follow, the central authorities of roof are equipped with the round hole that is used for putting into the pipe, and the roof below is equipped with two linear guide, has a pair of semi -circular extrusion mould that is opened and shut by II controls of hydro -cylinder I and hydro -cylinder respectively on the guide rail, and the bottom plate is fixed on the base, is equipped with the stand and the guide post that pass the backup pad respectively between bottom plate and the roof, the top and the below of backup pad link the hydro -cylinder III that has interior dabber and control backup pad to reciprocate along the stand respectively, hydro -cylinder III is installed on the bottom plate, and the piston rod and the backup pad of hydro -cylinder III are connected, the mould of putting the pipe and concatenating through the guide post is overlapped in proper order to the outside of interior dabber, interior dabber bottom is equipped with the water injection hole of water injection between inside dabber and the pipe. The utility model discloses a vertical many ripples of major diameter bellows one -time forming machine has combined the advantage of continuous forming method of single ripples and duo bo one shot forming method, when hydraulic forming major diameter bellows, compares with the continuous forming method of single ripples, and the precision is higher, and is sealed better, is difficult to fish tail bellows surface, compares with many ripples one shot forming image of buddha, has reduced required axial thrust greatly, makes major diameter bellows hydraulic pressure expand shape and need not lighten mould weight in addition with the help of the hydraulic press, and it is more convenient to operate.
Description
Technical field
The utility model relates to a kind of forming machine, is specifically related to a kind of vertical major diameter bellows many ripples one-shaper.Belong to former technical field.
Background technology
Existing bellows hydraulic forming method has the continuously shaped method of single ripple and Duo Bo once moulding method, the continuously shaped method of single ripple be pipe along mold axis by the bellows pitch of waves successively feeding, mould repeat deciliter, advance deciliter, a kind of moulding technique of Cheng Bo successively under hydraulic action, the advantage of this forming method is that automaticity is high, and due to the existence of internal mandrel, axial thrust required when can greatly reduce shaping, shortcoming is then that precision is not high, and mould easily causes scuffing to bellows surface, sealing difficulty, and hydraulic oil time shaping is revealed and usually caused large batch of scrapping, many ripples once moulding method is by the position length calculated with many molds, with locating on pipe of separating mechanism uniformity, prima pipe producing certain size is made to the punching press of pipe inside, unload the inner pressurize of pipe after separating mechanism, axially afterburning feeding, be compressed to die closure, namely bellows is shaped, the advantage of this manufacturing process is that the size of bellows accurately can be controlled by mould and separating mechanism, mould and pipe rub less, bellows surface not easily scratches, sealing is easier to, shortcoming is that required axial thrust is very large, latus rectum is 500mm, multilayer total thickness is the steel bellow of 6mm, corrugation needs the operating pressure of 15 ~ 25MPa, the axial thrust of about 200 tons, be difficult to reach with oil cylinder, only have to hydraulic press shaping.
Mould aspect, traditional mould has monoblock type Internal and external cycle structure and hinge type structure, overall structure mould relies on forming die sleeve and mould outward flange to be slidably matched mobile pressing, when caliber is excessive, mould is very heavy, dismounting difficulty, hinge arrangement mould is made up of matrix and template two parts, and makes hinge arrangement, this mould structure is complicated, the accuracy of manufacture requires high, and the pilot hole of particularly movement during multiple mould pressing, requires that positional precision is very high, manufacture difficulty, these two kinds of mould structures are all very complicated, and mould is heavier, are unfavorable for operation.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of vertical major diameter bellows many ripples one-shaper.
For achieving the above object, the utility model adopts following technical proposals:
A kind of vertical major diameter bellows many ripples one-shaper, comprise top board, gripper shoe, base plate and base successively from top to bottom, the central authorities of top board are provided with the circular hole for putting into pipe, two line slideways are provided with below top board, guide rail there is the semicircle extrusion die being controlled folding for a pair respectively by oil cylinder I and oil cylinder II, base plate is fixed on base, is provided with the column and lead that are each passed through gripper shoe between base plate and top board; Be connected with inner spindle above and below described gripper shoe respectively and control the oil cylinder III that moves up and down along column of gripper shoe, described oil cylinder III is arranged on base plate, the piston rod of oil cylinder III is connected with gripper shoe, the outside of described inner spindle overlaps the mould put pipe and be connected in series by lead successively, is provided with the water injection hole to water filling between inner spindle and pipe bottom described inner spindle.
Described mould is divided into patrix, half module and counterdie, and inner spindle lower end and counterdie adjacent are provided with seal groove I, installs sealing ring I, formed static seal to make pipe and inner spindle in it; Sliding ring is provided with between inner spindle upper end and patrix, seal groove II and seal groove III is respectively equipped with inside and outside sliding ring, install sealing ring II and sealing ring III in it respectively, to make pipe and sliding ring be formed static seal, inner spindle and sliding ring form movable sealing.
Described gripper shoe is square, its corner be equipped with for through column without oily lining.
The bottom of described base is provided with backing plate.
Described mould is located by Tenon and screw-pressing some to semi-circular structure, and the position of often pair of semi-circular structure matched moulds is provided with the pilot hole matched with lead, to ensure the axiality of mould.
Locating piece is provided with between semi-circular structure neighbouring arbitrarily.
Utilize corrugated pipe forming method of the present utility model, concrete steps are as follows:
(1) separately extrusion die, is inserted in inner spindle by pipe from top board circular hole, from the bottom up installation mold and locating piece successively, and be fixed on by pipe between inner spindle and mould, the two ends of pipe all seal;
Encapsulating method is: in the seal groove I of inner spindle lower end and counterdie adjacent, install sealing ring I, install sealing ring II and sealing ring III respectively in the seal groove II inside and outside sliding ring and seal groove III;
The method of installation mold is: snap on lead by the pilot hole of a pair semi-circular structure, and tenon one fourth of the twelve Earthly Branches of one of them coordinates another tenon one fourth of the twelve Earthly Branches, passes through screw-pressing afterwards;
(2) close up extrusion die, oil cylinder III compresses, and reaches 3.36MPa by water injection hole to pipe internal water flooding to pressure, and pipe forms prima, bulging system pressurize 3 ~ 5s under the effect of hydraulic pressure and mould;
(3) release return by oil cylinder III, takes out locating piece successively from top to bottom, and bulging system is filled to pressure and reaches 3.36MPa, and oil cylinder III starts extruding, when being squeezed to all die closure, and bellows and shaping;
(4) release return by oil cylinder III, and separately extrusion die, pulls down sliding ring and mould in order, finally take out shaping bellows.
Wherein, extrusion die close up and separately by oil cylinder I and oil cylinder II control, two semi-circular portion of extrusion die linearly guide rail move.
The beneficial effects of the utility model:
Forming machine of the present utility model, pipe and inner spindle and form static seal respectively with sliding ring, inner spindle and sliding ring form movable sealing, reduce axial compression area, thus substantially reduce required axial compressive force.What mould adopted is that a pair semi-circular structure is located by joinery and its construction, each semicircle mould there is tenon one fourth of the twelve Earthly Branches coordinate tenon one fourth of the twelve Earthly Branches of the second semicircle mould, the mode of both sides screw-pressing, alleviate mold weight, dismounting is more convenient, the position of two half module matched moulds has pilot hole, the axiality of mould when lead can ensure matched moulds.In addition, adopt vertical structure can reduce locating piece size, remove locating piece before making extruding comparatively laborsaving.Top board has circular hole, and two line slideways are installed, guide rail there are two control the semicircle extrusion die of folding by oil cylinder, make this equipment more conveniently can put into pipe and take out bellows, the lifting surface area of sliding ring be increased again when extruding, making it not yielding.
Vertical major diameter bellows many ripples one-shaper of the present utility model, combine the advantage of the continuously shaped method of single ripple and Duo Bo once moulding method, when shaped by fluid pressure major diameter bellows, compared with the continuously shaped method of single ripple, precision is higher, sealing is better, is not easy to scratch bellows surface, compared with many ripples once moulding method, substantially reduce required axial thrust, major diameter bellows hydraulic expanding-forming is not needed by hydraulic press, and alleviates mold weight, more convenient to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model forming machine;
Fig. 2 is the part-structure sectional side elevation of the utility model forming machine;
Fig. 3 is the top view of the utility model forming machine;
Fig. 4 is the sectional view of the utility model forming machine.
In figure: 1, top board, 2, inner spindle, 3, base plate, 4, base, 5, backing plate, 6, oil cylinder III, 7, lead, 8, gripper shoe, 9, sliding ring, 10, locating piece, 11, column, 12, circular hole, 13, sealing ring III, 14, water injection hole, 15, half module, 16, counterdie, 17, pipe, 18, patrix, 19, oil cylinder I, 20, oil cylinder II, 21, extrusion die, 22, sealing ring II, 23, sealing ring I.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further elaborated, should be noted that following explanation is only to explain the utility model, its content not being limited.
As shown in figures 1-4, the vertical major diameter bellows of one of the present utility model many ripples one-shaper, comprise top board 1, gripper shoe 8, base plate 3 and base 4 from top to bottom successively, the central authorities of top board 1 are provided with the circular hole 12 for putting into pipe 17, two line slideways are provided with below top board 1, guide rail has the semicircle extrusion die 19 being controlled folding for a pair respectively by oil cylinder I and oil cylinder II, base plate 3 is fixed on base 4, is provided with the column 11 and lead 7 that are each passed through gripper shoe 8 between base plate 3 and top board 1; Be connected with inner spindle 2 above and below gripper shoe 8 respectively and control the oil cylinder III 6 that moves up and down along column 11 of gripper shoe 8, oil cylinder III 6 is arranged on base plate 3, the piston rod of oil cylinder III 6 is connected with gripper shoe 8, the outside of inner spindle 2 overlaps the mould put pipe 17 and be connected in series by lead 7 successively, is provided with the water injection hole 14 to water filling between inner spindle 2 and pipe 17 bottom inner spindle 2.Mould is divided into patrix 18, half module 15 and counterdie 16, and inner spindle 2 lower end and counterdie 16 adjacent are provided with seal groove I, installs sealing ring I 23 in it, is formed static seal to make pipe 17 and inner spindle 2; Sliding ring 9 is provided with between inner spindle 2 upper end and patrix 18, seal groove II and seal groove III is respectively equipped with inside and outside sliding ring 9, sealing ring II 22 and sealing ring III 13 are installed in it respectively, to make pipe 17 and sliding ring 9 be formed static seal, inner spindle 2 and sliding ring 9 form movable sealing.Gripper shoe 8 is square, its corner be equipped with for through column 11 without oily lining.The bottom of base 4 is provided with backing plate 5.Mould is located by Tenon and screw-pressing some to semi-circular structure, and the position of often pair of semi-circular structure matched moulds is provided with the pilot hole matched with lead 7, to ensure the axiality of mould.Locating piece 10 is provided with between semi-circular structure neighbouring arbitrarily.
Utilize corrugated pipe forming method of the present utility model, concrete steps are as follows:
(1) separately extrusion die 19, is inserted in inner spindle 2 by pipe 17 from top board 1 circular hole 12, from the bottom up installation mold and locating piece 10 successively, and be fixed on by pipe 17 between inner spindle 2 and mould, the two ends of pipe 17 all seal;
Encapsulating method is: in the seal groove I of inner spindle 2 lower end and counterdie 16 adjacent, install sealing ring I23, install sealing ring II 22 and sealing ring III 13 respectively in the seal groove II inside and outside sliding ring 9 and seal groove III.
The method of installation mold is: snapped into by the pilot hole of a pair semi-circular structure on lead 7, and tenon one fourth of the twelve Earthly Branches of one of them coordinates another tenon one fourth of the twelve Earthly Branches, passes through screw-pressing afterwards;
(2) close up extrusion die 19, oil cylinder III 6 compresses, and reaches 3.36MPa by water injection hole 14 to pipe 17 internal water flooding to pressure, and pipe 17 forms prima, bulging system pressurize 3 ~ 5s under the effect of hydraulic pressure and mould;
(3) release return by oil cylinder III 6, and take out locating piece 10 successively from top to bottom, bulging system is filled to pressure and reaches 3.36MPa, and oil cylinder III 6 starts extruding, when being squeezed to all die closure, and bellows and shaping;
(4) release return by oil cylinder III 6, and separately extrusion die 19, pulls down sliding ring 9 and mould in order, finally take out shaping bellows.
Wherein, extrusion die 19 close up and separately by oil cylinder I and oil cylinder II control, two semi-circular portion of extrusion die 19 linearly guide rail move.
Test example:
With internal diameter d=500, outer diameter D=560, the bellows of 3 layers of total thickness δ=1.5mm, Tensile strength σ b=560MPa is example.
If there is no inner spindle 2, required bulging pressure P=δ σ b/R=2 δ σ b/d=3.36Mpa, required axial thrust F=PAe=P π Dm
2/ 4=P π (D+d)
2/ 16 ≈ 74.1t (Ae-bellows effective area, Dm-bellows average diameter).
Adopt forming machine of the present utility model, add the inner spindle 2 of a Φ 470mm in pipe 17 after, required axial thrust F=P π [(D+d)
2/ 4-Φ
2]/4 ≈ 15.8t, 15.8/74.1 ≈ 0.213, that is only need the axial thrust of original about 1/5, and along with the increase of caliber, this ratio can be more and more less.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (6)
1. vertical major diameter bellows many ripples one-shaper, comprise top board, gripper shoe, base plate and base successively from top to bottom, the central authorities of top board are provided with the circular hole for putting into pipe, two line slideways are provided with below top board, guide rail there is the semicircle extrusion die being controlled folding for a pair respectively by oil cylinder I and oil cylinder II, base plate is fixed on base, is provided with the column and lead that are each passed through gripper shoe between base plate and top board; It is characterized in that, be connected with inner spindle above and below described gripper shoe respectively and control the oil cylinder III that moves up and down along column of gripper shoe, described oil cylinder III is arranged on base plate, the piston rod of oil cylinder III is connected with gripper shoe, the outside of described inner spindle overlaps the mould put pipe and be connected in series by lead successively, is provided with the water injection hole to water filling between inner spindle and pipe bottom described inner spindle.
2. the vertical major diameter bellows of one according to claim 1 many ripples one-shaper, it is characterized in that, described mould is divided into patrix, half module and counterdie, and inner spindle lower end and counterdie adjacent are provided with seal groove I, installs sealing ring I in it; Be provided with sliding ring between inner spindle upper end and patrix, inside and outside sliding ring, be respectively equipped with seal groove II and seal groove III, sealing ring II and sealing ring III are installed in it respectively.
3. the vertical major diameter bellows of one according to claim 1 many ripples one-shaper, is characterized in that, described gripper shoe is square, its corner be equipped with for through column without oily lining.
4. the vertical major diameter bellows of one according to claim 1 many ripples one-shaper, it is characterized in that, the bottom of described base is provided with backing plate.
5. the vertical major diameter bellows of one according to claim 1 many ripples one-shaper, it is characterized in that, described mould is located by Tenon and screw-pressing some to semi-circular structure, and the position of often pair of semi-circular structure matched moulds is provided with the pilot hole matched with lead.
6. the vertical major diameter bellows of one according to claim 5 many ripples one-shaper, is characterized in that, be provided with locating piece between semi-circular structure neighbouring arbitrarily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520771896.3U CN205085209U (en) | 2015-09-30 | 2015-09-30 | Vertical many ripples of major diameter bellows one -time forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520771896.3U CN205085209U (en) | 2015-09-30 | 2015-09-30 | Vertical many ripples of major diameter bellows one -time forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205085209U true CN205085209U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520771896.3U Expired - Fee Related CN205085209U (en) | 2015-09-30 | 2015-09-30 | Vertical many ripples of major diameter bellows one -time forming machine |
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| CN (1) | CN205085209U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952859A (en) * | 2018-01-08 | 2018-04-24 | 西安石油大学 | A kind of detachable hydraulic expanding die for being used to manufacture S type metal bellows |
| CN109201840A (en) * | 2018-11-02 | 2019-01-15 | 无锡市五星弹性元件厂 | A kind of corrugated tube one-step molding device |
| CN115870366A (en) * | 2022-10-31 | 2023-03-31 | 江苏恒高电气制造有限公司 | Coaxial forming method for stainless steel multilayer corrugated pipe |
| CN116900150A (en) * | 2023-09-13 | 2023-10-20 | 江苏卉欣波纹管业有限公司 | Forming device for metal hose |
-
2015
- 2015-09-30 CN CN201520771896.3U patent/CN205085209U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952859A (en) * | 2018-01-08 | 2018-04-24 | 西安石油大学 | A kind of detachable hydraulic expanding die for being used to manufacture S type metal bellows |
| CN107952859B (en) * | 2018-01-08 | 2024-04-12 | 西安石油大学 | Detachable hydraulic bulging die for manufacturing S-shaped metal corrugated pipe |
| CN109201840A (en) * | 2018-11-02 | 2019-01-15 | 无锡市五星弹性元件厂 | A kind of corrugated tube one-step molding device |
| CN115870366A (en) * | 2022-10-31 | 2023-03-31 | 江苏恒高电气制造有限公司 | Coaxial forming method for stainless steel multilayer corrugated pipe |
| CN116900150A (en) * | 2023-09-13 | 2023-10-20 | 江苏卉欣波纹管业有限公司 | Forming device for metal hose |
| CN116900150B (en) * | 2023-09-13 | 2023-11-17 | 江苏卉欣波纹管业有限公司 | Forming device for metal hose |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |