CN103042087B - Process and device for molding small-bore hydraulic bellows - Google Patents
Process and device for molding small-bore hydraulic bellows Download PDFInfo
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- CN103042087B CN103042087B CN201310010561.5A CN201310010561A CN103042087B CN 103042087 B CN103042087 B CN 103042087B CN 201310010561 A CN201310010561 A CN 201310010561A CN 103042087 B CN103042087 B CN 103042087B
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Abstract
The invention discloses a process and a device for molding a small-bore hydraulic bellows. The process comprises the steps of pre-molding, die assembly, post-molding, bulging, forming, withdrawing and separating, and the device comprises a flat-pressing clamping plate, a round tube forming guide plate, an automatic argon arc welding machine, a pressing roller and a calibration die which are connected sequentially. The process and the device have the advantages that a hydraulic bulging principle is used, and single-layer or multi-layer tube blanks of different wall thicknesses are subjected to automatic continuous singe-wave forming to form annular bellows and expansion joints of corresponding diameters, so that members of all parts can move stably, the process and the device are good in adaptability, high in overload capacity, easy to clean, free from environmental pollution and low in production cost.
Description
Technical field
The present invention relates to a kind of bellows production technology and equipments, specifically a kind of small-bore hydraulic-formed bellows moulding process and equipment thereof, belong to bellows production field.
Background technology
The feature of metal bellows all can produce corresponding displacement under pressure, axial force, cross force or Moment, and have resistance to pressure, vacuum leakproofness, corrosion resistance, temperature stability and Long Service Life.Therefore, it is widely used in many industrial circles.
Hydraulic forming machine is the special equipment manufacturing bellows indispensability.The problems such as traditional hydraulic forming machine is medium mainly with oil, thus brings environment difference, production cost is high, and cleaning is difficult.
Summary of the invention
In order to solve the problem, the present invention devises a kind of small-bore hydraulic-formed bellows moulding process and equipment thereof, adopt hydraulic expanding-forming principle, by the single or multiple lift pipe of different wall, single ripple of Automatic continuous is shaped to ring bellows, the expansion joint of corresponding latus rectum, each several part component can be made to move more steady, adaptability is good, and overload capacity is strong, and easy cleaning, do not have problem of environmental pollution, production cost is low.
Technical scheme of the present invention is:
A kind of small-bore hydraulic-formed bellows moulding process, method of operating is as follows:
Formed pipe is connected with ripple forming mould, and after clamping, carry out bulging by high-pressure medium, concrete operations are:
(1) before mould: advance and retreat material oil cylinder advances, and front matrix moves forward;
(2) matched moulds: front division and modulus oil cylinder, rear division and modulus cylinder movement, front and back matrix is harmonious clamping pipe up and down;
(3), after mould: advance and retreat material oil cylinder retreats, and front and back matrix moves backward, pipe motion to be formed is driven;
(4) rouse ripple: pressurized cylinder action, export high-pressure medium, between the two seals circle entering water filling head through water filling bar, pipe is initial deformation under high-pressure medium effect; Wherein, described high-pressure medium is water-emulsifiable liquid, described pressurized cylinder and fuel tank and hydraulic system;
(5) be shaped: shaping oil cylinder advances, and front and back matrix forces pipe to continue to be deformed into required waveform;
(6) move back cylinder: shaping oil cylinder retreats, after driving, matrix exits;
(7) parting: rear division and modulus oil cylinder, front division and modulus cylinder movement, matrix separates up and down, completes a waveform; Then aforesaid operations step is repeated.
The preparation method of described formed pipe is: (1) steel plate, by flattening clamping plate, ensures that steel plate keeps level when shaping round tube; (2) guide mould and argon arc welding automatic welder(welding machine) by pipe welding fabrication through shaping round tube, (3) carry out weld seam roll extrusion school type by press-roller device by entering school mould after weld seam pressing, ensure its circularity.
Described formed pipe needs to carry out tube rolling before bulging, is blocked by the pipe spooled.
A kind of small-bore hydraulic-formed bellows former, comprise frame, described frame is provided with successively and flattens clamping plate, shaping round tube guided plate, argon arc welding automatic welder(welding machine), pressure roller, school mould, described school mould is arranged on chain gearing, and frame end is provided with ripple forming mould;
Steel plate, by flattening clamping plate, makes steel plate keep horizontal level when shaping round tube; Through shaping round tube guided plate and argon arc welding automatic welder(welding machine), Plate Welding is shaped to pipe; Carry out weld seam roll extrusion school type by pressure roller by entering school mould after the pressing of the weld seam of pipe, ensure its circularity, obtain formed pipe, formed pipe is connected with ripple forming mould, after clamping, carries out bulging by high-pressure medium.
Described ripple forming mould, comprise mould body, feeding oil cylinder is established in one end of described mould body, the other end is provided with advance and retreat material oil cylinder, water filling bar is arranged between described feeding oil cylinder and advance and retreat material oil cylinder, one end of described water filling bar is provided with water filling head, described water filling head place is provided with front and back matrix, matrix place, described front and back is equipped with wild wall, the described wild wall place being positioned at front end is provided with front wallboard, and top is provided with front division and modulus oil cylinder, the described wild wall place being positioned at rear end is provided with rear wall plate, and top is provided with rear division and modulus oil cylinder, described rear wall plate place is provided with shaping oil cylinder, described front division and modulus oil cylinder is all connected with liquid medium case with rear division and modulus oil cylinder.
The height of pressure needed for high-pressure medium is determined according to the diameter of pipe, wall thickness and waveform parameter, is realized by the electromagnetic relief valve of adjustment booster pump system.
Pressure needed for division and modulus, shaping, advance and retreat, material loading four class oil cylinder and the speed of reciprocating motion, all realized by corresponding overflow valve and choke valve stepless time adjustment.
Ripple forming mould makes according to pipe and required waveform requirements series and provides, and ripple forming mould is arranged on slide anteroposterior die holder, and puts down with the Hough line both sides of die holder.Wherein water filling head is most important in the impact of position correctness on waveform and sealing of axis relative to ripple forming mould.Water filling head remains the position relationship between fixing die holder mold.
The invention has the advantages that: adopt hydraulic expanding-forming principle, by the single or multiple lift pipe of different wall, single ripple of Automatic continuous is shaped to ring bellows, the expansion joint of corresponding latus rectum, each several part component can be made to move more steady, adaptability is good, and overload capacity is strong, and easy cleaning, do not have problem of environmental pollution, production cost is low.
Below in conjunction with accompanying drawing, the invention will be further described with enforcement.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention corrugated pipe forming equipment;
Fig. 2 is the structural representation of embodiment of the present invention ripple forming mould;
Fig. 3 is the sectional view of Fig. 2;
In figure: 1-flattens clamping plate, 2-steel plate, 3-shaping round tube guided plate, 4-argon arc welding automatic welder(welding machine), 5-pressure roller, 6-chain gearing, 7-school mould, 8-frame, the shaping oil cylinder of 11-, division and modulus oil cylinder after 12-, division and modulus oil cylinder before 13-, 14-advance and retreat material oil cylinder, 15-water filling bar, 16-pressurized cylinder, 17-feeding oil cylinder, 18-mould body, 19-front wallboard, 20-matrix, 21-liquid medium case, 22-wild wall, 23-rear wall plate, 24-water filling head, 25-sealing ring, matrix before 201-, matrix after 202-.
Detailed description of the invention
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Embodiment 1
A kind of small-bore hydraulic-formed bellows moulding process, method of operating is as follows:
Formed pipe is connected with ripple forming mould, and after clamping, carry out bulging by water-emulsifiable liquid, concrete operations are:
(1), before mould: advance and retreat material oil cylinder 14 advances, front matrix 201 moves forward;
(2) matched moulds: front division and modulus oil cylinder 13, rear division and modulus oil cylinder 12 move, front and back matrix about 20 is harmonious clamping pipe;
(3) after mould: advance and retreat material oil cylinder 14 retreats, front and back matrix 20 moves backward, drives pipe motion to be formed;
(4) ripple is roused: pressurized cylinder 16(and fuel tank and hydraulic system) action, export high-pressure medium (i.e. water-emulsifiable liquid), between the two seals circle 25 entering water filling 24 through water filling bar 15, pipe is initial deformation under high-pressure medium effect;
(5) be shaped: shaping oil cylinder 11 advances, and front and back matrix 20 forces pipe to continue to be deformed into required waveform;
(6) move back cylinder: shaping oil cylinder 11 retreats, after driving, matrix 202 exits;
(7) parting: rear division and modulus oil cylinder 12, front division and modulus oil cylinder 13 move, and front and back matrix about 20 separates, and complete a waveform; Then aforesaid operations step is repeated.
The preparation method of described formed pipe is: (1) steel plate, by flattening clamping plate, ensures that steel plate keeps level when shaping round tube; (2) guide mould and argon arc welding automatic welder(welding machine) by pipe welding fabrication through shaping round tube, (3) carry out weld seam roll extrusion school type by press-roller device by entering school mould after weld seam pressing, ensure its circularity.
Described formed pipe needs to carry out tube rolling before bulging, is blocked by the pipe spooled.
As shown in Figure 1, a kind of small-bore hydraulic-formed bellows former, comprise frame 8, described frame 8 is provided with successively and flattens clamping plate 1, shaping round tube guided plate 3, argon arc welding automatic welder(welding machine) 4, pressure roller 5, school mould 7, described school mould 7 is arranged on chain gearing 6;
Steel plate 2, by flattening clamping plate 2, makes steel plate 2 keep horizontal level when shaping round tube; Be pipe through shaping round tube guided plate 3 and argon arc welding automatic welder(welding machine) 4 by steel plate 2 welding fabrication; Carry out weld seam roll extrusion school type by pressure roller 5 by entering school mould 7 after the pressing of the weld seam of pipe, ensure its circularity, obtain formed pipe, formed pipe is connected with ripple forming mould, after clamping, carries out bulging by high-pressure medium.
As shown in Figure 2, a kind of ripple forming mould, comprise mould body 18, feeding oil cylinder 17 is established in one end of described mould body 18, the other end is provided with advance and retreat material oil cylinder 14, water filling bar 15 is arranged between described feeding oil cylinder 17 and advance and retreat material oil cylinder 14, one end of described water filling bar 15 is provided with water filling 24, described water filling 24 place are provided with front and back matrix 20, and sealed by sealing ring 25, matrix 20 place, described front and back is equipped with wild wall 22, described wild wall 22 place being positioned at front end is provided with front wallboard 19, and top is provided with front division and modulus oil cylinder 13, described wild wall 22 place being positioned at rear end is provided with rear wall plate 23, and top is provided with rear division and modulus oil cylinder 12, described rear wall plate 23 place is provided with shaping oil cylinder 11, described front division and modulus oil cylinder 13 is all connected with liquid medium case 21 with rear division and modulus oil cylinder 12, described pressurized cylinder 16 is connected with water filling bar 15.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a small-bore hydraulic-formed bellows moulding process, it is characterized in that, method of operating is as follows:
Formed pipe is connected with ripple forming mould, and after clamping, carry out bulging by high-pressure medium, concrete operations are:
(1) before mould: advance and retreat material oil cylinder advances, and front matrix moves forward;
(2) matched moulds: front division and modulus oil cylinder, rear division and modulus cylinder movement, front and back matrix is harmonious clamping pipe up and down;
(3), after mould: advance and retreat material oil cylinder retreats, and front and back matrix moves backward, pipe motion to be formed is driven;
(4) rouse ripple: pressurized cylinder action, export high-pressure medium, between the two seals circle entering water filling head through water filling bar, pipe is initial deformation under high-pressure medium effect;
(5) be shaped: shaping oil cylinder advances, and front and back matrix forces pipe to continue to be deformed into required waveform;
(6) move back cylinder: shaping oil cylinder retreats, after driving, matrix exits;
(7) parting: rear division and modulus oil cylinder, front division and modulus cylinder movement, matrix separates up and down, completes a waveform; Then aforesaid operations step is repeated;
The preparation method of described formed pipe is:
(1) steel plate is by flattening clamping plate, ensures that steel plate keeps level when shaping round tube;
(2) guide mould and argon arc welding automatic welder(welding machine) by pipe welding fabrication through shaping round tube;
(3) carrying out weld seam roll extrusion school type by press-roller device by entering school mould after weld seam pressing, ensureing its circularity;
Described formed pipe needs to carry out tube rolling before bulging, is blocked by the pipe spooled.
2. the equipment for corrugated pipe forming technique as claimed in claim 1, it is characterized in that: comprise frame, described frame is provided with successively and flattens clamping plate, shaping round tube guided plate, argon arc welding automatic welder(welding machine), pressure roller, school mould, described school mould is arranged on chain gearing, and frame end is provided with ripple forming mould;
Described ripple forming mould, comprise mould body, feeding oil cylinder is established in one end of described mould body, the other end is provided with advance and retreat material oil cylinder, water filling bar is arranged between described feeding oil cylinder and advance and retreat material oil cylinder, one end of described water filling bar is provided with water filling head, described water filling head place is provided with front and back matrix, matrix place, described front and back is equipped with wild wall, the described wild wall place being positioned at front end is provided with front wallboard, and top is provided with front division and modulus oil cylinder, the described wild wall place being positioned at rear end is provided with rear wall plate, and top is provided with rear division and modulus oil cylinder, described rear wall plate place is provided with shaping oil cylinder, described front division and modulus oil cylinder is all connected with liquid medium case with rear division and modulus oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010561.5A CN103042087B (en) | 2013-01-11 | 2013-01-11 | Process and device for molding small-bore hydraulic bellows |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010561.5A CN103042087B (en) | 2013-01-11 | 2013-01-11 | Process and device for molding small-bore hydraulic bellows |
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| CN103042087A CN103042087A (en) | 2013-04-17 |
| CN103042087B true CN103042087B (en) | 2015-05-27 |
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| CN201310010561.5A Expired - Fee Related CN103042087B (en) | 2013-01-11 | 2013-01-11 | Process and device for molding small-bore hydraulic bellows |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695169A (en) * | 2017-09-24 | 2018-02-16 | 江苏双嘉液压机械制造有限公司 | A kind of high life hydraulic pressure injector |
| CN107457299A (en) * | 2017-09-24 | 2017-12-12 | 江苏双嘉液压机械制造有限公司 | It is a kind of into unicast hydraulic forming machine |
| CN107457300A (en) * | 2017-09-24 | 2017-12-12 | 江苏双嘉液压机械制造有限公司 | A kind of helical corrugation pipe forming machine |
| CN108908106B (en) * | 2018-07-03 | 2024-05-24 | 钟志阳 | Full-automatic sole polisher with sole clamping device |
| CN112845663A (en) * | 2021-01-29 | 2021-05-28 | 上海坤勇节能科技有限公司 | Straight welded pipe forming device and forming method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130614Y (en) * | 1992-07-22 | 1993-04-28 | 金作荣 | Bellows former |
| JP2641576B2 (en) * | 1989-12-22 | 1997-08-13 | 新和工業株式会社 | Metal bellows tube manufacturing equipment |
| CN200988067Y (en) * | 2006-10-13 | 2007-12-12 | 张天佑 | Corrugated tube forming machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60112423A (en) * | 1983-11-25 | 1985-06-18 | Yutaka Katayama | Manufacture of bellows and apparatus therefor |
| JPH089064B2 (en) * | 1990-02-26 | 1996-01-31 | 株式会社昭和螺旋管製作所 | Method for manufacturing stainless steel pipe having bellows |
-
2013
- 2013-01-11 CN CN201310010561.5A patent/CN103042087B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2641576B2 (en) * | 1989-12-22 | 1997-08-13 | 新和工業株式会社 | Metal bellows tube manufacturing equipment |
| CN2130614Y (en) * | 1992-07-22 | 1993-04-28 | 金作荣 | Bellows former |
| CN200988067Y (en) * | 2006-10-13 | 2007-12-12 | 张天佑 | Corrugated tube forming machine |
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| CN103042087A (en) | 2013-04-17 |
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Granted publication date: 20150527 Termination date: 20160111 |