CN102284575A - Inner high-pressure rubber pocket pipe fitting bending and forming device and forming method thereof - Google Patents
Inner high-pressure rubber pocket pipe fitting bending and forming device and forming method thereof Download PDFInfo
- Publication number
- CN102284575A CN102284575A CN201110187752XA CN201110187752A CN102284575A CN 102284575 A CN102284575 A CN 102284575A CN 201110187752X A CN201110187752X A CN 201110187752XA CN 201110187752 A CN201110187752 A CN 201110187752A CN 102284575 A CN102284575 A CN 102284575A
- Authority
- CN
- China
- Prior art keywords
- rubber pocket
- pipe fitting
- lag
- counterdie
- crooked
- 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.)
- Granted
Links
Images
Abstract
The invention provides an inner high-pressure rubber pocket pipe fitting bending and forming device and a forming method thereof. The device mainly comprises a mould frame, an upper mould, a lower mould, an upper gear, a lower gear, a rocker arm, a ratchet, a bent push block, a rubber pocket, a push rod and the like; a hollow thin-wall pipe fitting to be bent and formed is sleeved on the rubber pocket; a gear mechanism is used for converting small-radius bent circumferential movement into the linear motion of the ratchet, the motion is transmitted to the ratchet through the gear force, the balance of the ratchet force is controlled through a push head of a hydraulic press, and the thin-wall small-radius guide pipe is bent into a small-radius elbow. The method utilizes the device, replaces a metal core rod or filler with the rubber pocket, and adopts hydraulic oil, so that the rubber pocket clings to the inner wall of a mould, and completes the bending of the bent pipe through the pressing of a hydraulic system. The invention can increase the roundness of a bent section by reducing or without increasing any weld seam so that the relative bending radius can reach 0.75 to 1, and has the advantages of good part completeness, uniform wall thickness, high strength and rigidity, no circumferential weld seam and the like.
Description
Technical field
The invention belongs to the stress metal processing technique field, particularly relate to a kind of inner high voltage rubber pocket pipe fitting and push away o ing device and manufacturing process thereof.
Background technology
The bending forming of pipe fitting has formed multiple processing method through years of development.Whether divide according to different standards, the bending tube forming method can be divided into following several: heat when the bending according to pipe and can be divided into hot bending processing and clod wash processing; Difference according to bend mode can be divided into stretch bending, it is curved to bend, go for a stroll, push away, it is curved to roll and squeeze curved; During according to bending the limited manner difference of tubing can be divided into that pipe fitting inside is limited, limited inside and outside the outside limited and pipe fitting of pipe fitting; Have or not the core material filling to be divided into during according to bending chip bending and no chip bending are arranged.In addition, in the bending forming process of some special tubing, need increase some special designs as the case may be, to satisfy the specific forming requirements of pipe fitting.In concrete the application, choosing of bending tube forming technology will be decided according to the design of part performance requirement of reality and realization condition.Therefore when tubing is carried out bending machining, must select suitable bend processing method for use according to material category, required precision and relative bending radius R/D, the relative thickness t/D of pipe fitting, wherein, D is a tube outer diameter, t is a tube wall thickness, and R is a pipe fitting central core bending radius.
At present, Chinese scholars has been carried out extensive studies at the manufacturing process of thin-walled minor radius guiding-tube bend being made short-radius bend, and has obtained obvious improvement.Wherein short-radius bend is meant that relative bending radius is less, relative bending radius near or less than 1 elbow, wherein relative bending radius is meant the ratio of radius of curvature R and tube outer diameter D, radius of curvature R=15mm such as short-radius bend, tube outer diameter D=20.16mm, its relative bending radius is 0.75.Existing short-radius bend manufacturing process mainly comprises welding, casting, numerical-controlled bending, it is curved to push away, press-bending, shear-bow, press in interior push away curved, push away curved inner high voltage bulging again etc. earlier.But there is following point in above-mentioned these methods:
(1) its weight is big with respect to Plastic Forming, intensity is low to adopt the short-radius bend that welding the most commonly used and casting method make;
(2) even the short-radius bend that adopts the numerical-controlled bending method to make can not be less than 1.2 in the relative bending radius of optimal processing parameter downcomer, promptly relative bending radius is excessive;
(3) though the short-radius bend that adopts the shear-bow method to make can reach very little relative bending radius, the material flow distribution of middle straight section and curved section is bad, therefore is easy to occur drawing crack;
(4) though interior pressure pushes away bending method can be shaped than the elbow of small-bend radius, working (machining) efficiency is relatively low, and shrinkage porosite occurs or mobilely easily cause inwall wrinkling when bad when filler;
(5) have that plug supports to push away the most difficult problem of avoiding of bending method be the influence that the large deformation district is subjected to rigid support point, so the inwall of conduit is rough, so only rest on the finite element modelling stage, and does not have advanced development successfully;
(6) equipment that pressing bend method adopted very easily causes the conduit outer wall excessive thinning, even drawing crack, therefore is difficult to the shaping short-radius bend;
(7) though that the goat's horn plug adds the automaticity that picks bending method is higher, be not suitable for the uiform section bending of conduit.
Defectives such as to sum up, the bending method ubiquity intensity of existing thin-walled minor radius conduit is low, forming property is bad.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of product shaping performance good, can increase a curved section circularity, and the inner high voltage rubber pocket pipe fitting that relative bending radius reaches 0.75-1 pushes away o ing device and manufacturing process thereof.
A kind of inner high voltage rubber pocket pipe fitting pushes away the o ing device and comprises: mould bases, and counterdie, patrix, lower gear cogs, rocking arm, tooth bar, crooked pushing block, rubber pocket, bumper pad, fishbolt, binding nut and push rod.Described mould bases is the rectangular box structure that upper end and front end are formed with opening, and has been recessed to form a semicircle opening on left surface upper end or the right flank.Described lower gear is arranged on the bottom of front opening on the mould bases in the mode of rotating.Described counterdie is arranged on the inner and upper of mould bases, and the front center of counterdie is formed with a rectangular aperture, and depression is formed with one and half U-lags on the surface of counterdie.The longitudinal section of half U-lag is semicircle, the outer end at the straight line position of half U-lag is positioned on the limit, left side or right edge of counterdie, and the semicircle opening that is recessed to form with mould bases left surface upper end or right flank upper end is connected, the inner of the crooked position of half U-lag links to each other with the inner at straight line position, the outer end is positioned on the limit of counterdie front end, is communicated with the rectangular aperture of counterdie front end.The structure of described patrix and counterdie is symmetrical, is arranged on the top of counterdie.Between described rocking arm is vertically connected on lower gear and cogs, and be positioned at rectangular aperture on counterdie and the patrix.Described cog be positioned at lower gear directly over, and top is positioned at the outside of patrix.Described crooked pushing block is circular arc, is placed on the crooked position of lip-deep half U-lag of counterdie, and an end of crooked pushing block is connected with the middle part of rocking arm.Described rubber pocket one end is formed with a perforate, is the cylinder bodily form after the filled with oil, is placed on the straight line position of lip-deep half U-lag of counterdie, and the hollow thin-wall pipe fitting that push away o ing is enclosed within on the rubber pocket.Between crooked pushing block and rubber pocket, be provided with columniform bumper pad.Described fishbolt part-structure is positioned at the inside of perforate on the rubber pocket, and another part structure is positioned at the outside of perforate on the rubber pocket, and the perforation of the axis part of fishbolt is formed with an oil filler point.Described binding nut is enclosed within the outside of an end that has perforate on the rubber pocket, and fixes the outside that fishbolt is positioned at perforate on the rubber pocket.One end of described push rod is connected with the outer end of binding nut, and the other end runs through the outer end opening at straight line position of half U-lag and the semicircle opening on the mould bases and cuts somebody's hair with the right side of hydraulic press and is connected.Described tooth bar is horizontally set on the top of patrix along left and right directions, and is meshed with cogging, and cutting somebody's hair with the left side of hydraulic press with an end of hour rack is connected.
A kind of inner high voltage rubber pocket pipe fitting pushes away the method for o ing, specifically comprises the steps:
Advantage of the present invention and good effect are:
(1) to push away the o ing device be to utilize rubber pocket to replace metal mandrel or filler to inner high voltage rubber pocket pipe fitting provided by the invention, utilize rubber pocket elastic modelling quantity features of smaller, eliminate the rigid support point in large deformation district in the metal mandrel, overcome the rough defective of pipe inner wall;
(2) the present invention utilizes hydraulic oil to make rubber pocket be close to the inwall of half U-lag in entire making process, has eliminated filler shrinkage porosite or the wrinkling defective of the mobile bad inwall that causes;
(3) the present invention utilizes gear mechanism that minor radius is pushed away the rectilinear motion that curved circular motion is converted into tooth bar, and the tooth bar that passes to by gear forces, then control the tooth bar equilibrium of forces by cutting somebody's hair of hydraulic press, finish thin-walled minor radius guiding-tube bend thus and make the forming process of short-radius bend, the inventive method can increase curved section circularity on the basis of reducing or do not increase weld seam, bending radius can reach 0.75-1D, have part good integrity, wall thickness evenly, advantages such as intensity and rigidity height, no girth seam.
Description of drawings
Fig. 1 is the perspective view that pushes away the o ing device of the present invention;
Fig. 2 is the sub-unit structural representation of building mortion of the present invention;
Fig. 3 is the vertical structure cutaway view of rubber pocket of the present invention;
Fig. 4 is the vertical structure cutaway view of the connection of rubber pocket of the present invention, fishbolt, binding nut and push rod;
Fig. 5 is the structural representation of the connection of rocking arm of the present invention, lower gear and crooked pushing block;
Fig. 6 is the vertical structure cutaway view of crooked pushing block of the present invention;
Fig. 7 is for adopting the vertical structure cutaway view that the o ing device pushes away the employed hollow thin-wall pipe fitting of o ing that pushes away of the present invention;
Fig. 8 is for adopting the horizontal cross that the o ing device pushes away half U-lag position before bending that pushes away of the present invention;
Fig. 9 is for adopting the horizontal cross that the o ing device pushes away half U-lag position after bending that pushes away of the present invention;
Figure 10 is the flow chart of steps that pushes away the o ing method of the present invention.
Among the figure:
The 1-mould bases; The 2-counterdie; The 3-patrix; The 4-lower gear; 5-cogs; The 6-rocking arm; The 7-tooth bar; The crooked pushing block of 8-; The 9-rubber pocket; The 10-bumper pad; The 11-fishbolt; The 12-binding nut; The 13-push rod; The semicircle opening of 14-; The 15-rectangular aperture; 16-half U-lag; The 17-oil filler point; Cut somebody's hair in the left side of 18-hydraulic press; Cut somebody's hair in the right side of 19-hydraulic press; 20-hollow thin-wall pipe fitting; 21-hydraulic oil; The 22-copper sheet.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
As Fig. 1 and shown in Figure 2, inner high voltage rubber pocket pipe fitting of the present invention pushes away the o ing device and mainly comprises: mould bases 1, counterdie 2, patrix 3, lower gear 4, cog 5, rocking arm 6, tooth bar 7, crooked pushing block 8, rubber pocket 9, bumper pad 10, fishbolt 11, binding nut 12, and push rod 13.
As shown in Figure 2, mould bases 1 is formed with the rectangular box structure of opening for upper end and front end, and has been recessed to form a semicircle opening 14 on the right flank.Semicircle opening 14 also can be opened the left surface upper end at mould bases 1, as shown in Figure 1, specifically opens in the left surface upper end still right flank upper end, can specifically be provided with according to user's needs.The following embodiment of the invention is with shown in Figure 2, and semicircle opening is opened to bring on the right flank of mould bases 1 and described.
As shown in Figure 1, counterdie 2 is arranged on the inner and upper of mould bases 1, the front center of counterdie 2 is formed with a rectangular aperture 15, and depression is formed with one and half U-lags 16 on the surface of counterdie 2, the longitudinal section of half U-lag 16 is semicircle, half U-lag 16 comprises straight line position and crooked position, the inner at straight line position links to each other with the inner of crooked position, the outer end at straight line position is positioned on the limit, left side or right edge of counterdie 2, be connected with the semicircle opening of opening on the mould bases 1 14, the embodiment of the invention as shown in Figure 2, the outer end of the straightway of half U-lag 16 is positioned on the right edge of counterdie 2, and is connected with semicircle opening 14 on the right flank on the mould bases 1.The inner of half U-lag, 16 crooked positions links to each other with the inner at straight line position, and the outer end is positioned on the limit of counterdie 2 front ends, is communicated with rectangular aperture 15.Patrix 3 is symmetrical with the structure of counterdie 2, is arranged on the top of counterdie 2.Lower gear 4 is arranged on the bottom of front opening on the mould bases 1 in the mode of rotating; Cog 5 be positioned at lower gear 4 directly over, and top is positioned at the outside of patrix 3.
As Fig. 1 and shown in Figure 5, rocking arm 6 be vertically connected on cog 5 and lower gear 4 between, and be positioned at rectangular aperture 15 on counterdie 2 and the patrix 3.
As shown in Figure 1, be horizontally disposed with a tooth bar 7 along left and right directions above patrix 3, tooth bar 75 is meshed with cogging, and cut somebody's hair and 18 be connected in its left end and the left side of hydraulic press simultaneously.Correspondence position has through hole on the left and right side of mould bases 1, is provided with a tooth bar 7 in this corresponding through hole, and this tooth bar 7 is meshed with lower gear 4.
As Fig. 2 and shown in Figure 5, crooked pushing block 8 is circular arc, be placed on the crooked position in half U-lag 16 on the counterdie 2, and an end of crooked pushing block 8 is connected with the middle part of rocking arm 6.During crooked position in crooked pushing block 8 is placed on half U-lag 16, a side long in crooked pushing block 8 arc length is lined with the circular-arc copper sheet 22 of fitting with this circular arc, and be Paint Gloss when copper sheet 22 being set crooked pushing block 8 being moved in half U-lag 16.Rubber pocket 9 is placed at the straight line position of half U-lag 16 on counterdie 2.
As shown in Figure 3, an end of rubber pocket 9 is formed with a perforate, is the cylinder bodily form after the filled with oil, is placed on the straight line position in half U-lag 16.Be provided with columniform bumper pad 10 between crooked pushing block 8 and the rubber pocket 9.Fishbolt 11 part-structures are positioned at perforate inside on the rubber pocket 9, and another part structure is positioned at perforate outside on the rubber pocket 9, and the axis part perforation is formed with an oil filler point 17; Binding nut 12 is enclosed within the outside of an end that has perforate on the rubber pocket 9, and fixes the outer end that fishbolt 11 is positioned at perforate outside on the rubber pocket 9 in the mode that is threaded.
As shown in Figure 4, an end of push rod 13 is connected with the outer end of binding nut 12, and the other end runs through the outer end opening at straight line position of half U-lag 16 and the semicircle opening 14 on the mould bases 1 and cuts somebody's hair with the right side of hydraulic press and 19 joins.
As shown in Figure 6, be the vertical structure cutaway view of crooked pushing block 8.As shown in Figure 7, for using the vertical structure cutaway view that apparatus of the present invention push away the hollow thin-wall pipe fitting 20 of o ing, as can be seen from Figure, it is one trapezoidal that the longitudinal profile of hollow thin-wall pipe fitting 20 is approximately, specifically can regard as is two trapezoidal compositions, and wherein having, the trapezoidal of the longest base is that a right angle is trapezoidal.The external diameter of crooked pushing block 8, the width of half U-lag 16 are identical with the external diameter of hollow thin-wall pipe fitting 20.When application apparatus of the present invention push away o ing, hollow thin-wall pipe fitting 20 is enclosed within the rubber pocket 9 of filling with hydraulic oil 21 on, be placed in apparatus of the present invention then, by the right side of hydraulic press 19 power that apply left of cutting somebody's hair, make crooked pushing block 8 will do counterclockwise circular motion, cutting somebody's hair with a left side 18 applies power, and making hollow thin-wall pipe fitting 20 push away o ing is the elbow blank.
Inner high voltage rubber pocket pipe fitting provided by the invention pushes away the o ing method, as shown in figure 10, comprises the following steps:
1) from oil filler point 17 with filling with hydraulic oil 21 in the rubber pocket 9, the outer end of fishbolt 11 is fixed in the mode that is threaded with binding nut 12 then.In the oiling process, want oil-filled limit, limit to pinch rubber pocket 9, be full of hydraulic oil 21 up to the inside of rubber pocket 9 with by oil filler point 17 exhausts.
2) be that trapezoidal hollow thin-wall pipe fitting 20 is enclosed within outside the rubber pocket 9 with longitudinal cross-section as shown in Figure 7, put into half U-lag, 16 cathetus positions with binding nut 12 towards the mode of the outer end at half U-lag, 16 cathetus positions then.Described in the embodiment of the invention with Fig. 2, will put into half U-lag, the 16 cathetus positions of counterdie 2 in the mode that binding nut 12 is positioned at the right side, make the strong point of hollow thin-wall pipe fitting 20 be positioned at the upper end-face edge at half U-lag, 16 cathetus positions simultaneously.
3) between crooked pushing block 8 and rubber pocket 9, put into bumper pad 10.
4) outer end with binding nut 12 links to each other with push rod 13 1 ends, and patrix 3 closes.
5) cut somebody's hair in the right side of hydraulic press and 19 contact, utilize the right 19 power F that apply left that cut somebody's hair afterwards with the other end of push rod 13
2, promoting hollow thin-wall pipe fitting 20 to left movement, under the bulging pressure effect that thrust that hollow thin-wall pipe fitting 20 transmits and rubber pocket 9 produce, crooked pushing block 8 will be done counterclockwise circular motion; Crooked pushing block 8 drives rocking arm 6 again and does corresponding rotation, and rocking arm 6 passes to power and cogs 5, drives it and does and rotate counterclockwise; Cog 5 rotate counterclockwise and will drive the tooth bar 7 be meshed with it to left movement, to the left side of hydraulic press 18 power that apply left of cutting somebody's hair, the 18 corresponding power F that apply to the right cut somebody's hair on the left side of while hydraulic press thus
1Thereby, utilize hydraulic system to realize pushing away curved process and carry out reposefully.After crooked pushing block 8 anglecs of rotation are greater than 90 degree, hollow thin-wall pipe fitting 20 will be curved the elbow blank at the crooked position in half U-lag 16, in the bend pipe process, can regulate the pressure of hydraulic oil by hydraulic press, wrinkle resistant so that the elbow blank can be close to this crooked position, finish the bend pipe process thus.
6) with the hydraulic press pressure release.
7) open patrix 3 and take out the elbow blank, take out rubber pocket 9 simultaneously, use during in order to bend pipe next time;
8) patrix 3 that closes utilizes the left side of the hydraulic press 18 power F that apply to the right that cut somebody's hair
3, move right to drive tooth bar 7, making cogs 5 clockwise rotates, and again by rocking arm 6 power transmissions, crooked pushing block 8 clockwise directions is rotated reset; The 19 power F that apply left cut somebody's hair on the right side of while hydraulic press
4, reset to drive push rod 13, finish pipe fitting thus and push away the o ing process.
Elbow blank after the above-mentioned demoulding can be welded at last, cutting edge and make the part blank, above-mentioned part blank is carried out promptly can be made into required part after laser is cut edge then.
Claims (8)
1. an inner high voltage rubber pocket pipe fitting pushes away the o ing device, it is characterized in that, the described o ing device that pushes away comprises: mould bases (1), counterdie (2), patrix (3), lower gear (4), cog (5) rocking arm (6), tooth bar (7), crooked pushing block (8), rubber pocket (9), bumper pad (10), fishbolt (11), binding nut (12), and push rod (13);
Described mould bases (1) is formed with the rectangular box structure of opening for upper end and front end, and has been recessed to form a semicircle opening (14) on left surface upper end or the right flank; Described lower gear (4) is arranged on the bottom that mould bases (1) is gone up front opening in the mode of rotating; Described counterdie (2) is arranged on the inner and upper of mould bases (1), the front center of counterdie (2) is formed with a rectangular aperture (15), depression is formed with one and half U-lags (16) on the surface of counterdie (2), the longitudinal section of half U-lag (16) is semicircle, the outer end at the straight line position of half U-lag (16) is positioned on the limit, left side or right edge of counterdie (2), and the semicircle opening (14) that is recessed to form with mould bases (1) left surface upper end or right flank upper end is connected, the inner of the crooked position of half U-lag (16) links to each other with the inner at straight line position, the outer end is positioned on the limit of counterdie (2) front end, is communicated with the rectangular aperture (15) of counterdie (2) front end; Described patrix (3) is symmetrical with the structure of counterdie (2), is arranged on the top of counterdie (2); Described rocking arm (6) is vertically connected on lower gear (4) and cogs between (5), and is positioned at the rectangular aperture (15) on counterdie (2) and the patrix (3); Described cogging (5) be positioned at lower gear (4) directly over, and top is positioned at the outside of patrix (3); Described crooked pushing block (8) is circular arc, is placed on the crooked position of lip-deep half U-lag of counterdie (2) (16), and an end of crooked pushing block (8) is connected with the middle part of rocking arm (6); Described rubber pocket (9) one ends are formed with a perforate, are the cylinder bodily form after the filled with oil, are placed on the straight line position of lip-deep half U-lag of counterdie (2) (16), and the hollow thin-wall pipe fitting (20) that push away o ing is enclosed within on the rubber pocket (9); Between crooked pushing block (8) and rubber pocket (9), be provided with columniform bumper pad (10); Described fishbolt (11) part-structure is positioned at the inside that rubber pocket (9) is gone up perforate, and another part structure is positioned at the outside that rubber pocket (9) is gone up perforate, and the perforation of the axis part of fishbolt (11) is formed with an oil filler point (17); Described binding nut (12) is enclosed within the outside that has an end of perforate on the rubber pocket (9), and fixes the outside that fishbolt (11) is positioned at the last perforate of rubber pocket (9); One end of described push rod (13) is connected with the outer end of binding nut (12), the other end run through the outer end opening at straight line position of half U-lag (16) and the semicircle opening (14) on the mould bases (1) and with the right side of hydraulic press cut somebody's hair (19) be connected; Described tooth bar (7) is horizontally set on the top of patrix (3) along left and right directions, and is meshed with cog (5), an end of same hour rack (7) and the left side of hydraulic press cut somebody's hair (18) be connected.
2. a kind of inner high voltage rubber pocket pipe fitting according to claim 1 pushes away the o ing device, it is characterized in that, and the width of the external diameter of described crooked pushing block (8) and half U-lag (16), and the external diameter of hollow thin-wall pipe fitting (20) is identical.
3. a kind of inner high voltage rubber pocket pipe fitting according to claim 1 pushes away the o ing device, it is characterized in that, correspondence position also has through hole on the left and right side of described mould bases (1), is used to be provided with a tooth bar (7), and this tooth bar (7) is meshed with lower gear (4).
4. a kind of inner high voltage rubber pocket pipe fitting according to claim 1 pushes away the o ing device, it is characterized in that, when described crooked pushing block (8) was placed on crooked position in half U-lag (16), a side long in crooked pushing block (8) arc length was lined with the circular-arc copper sheet (22) of fitting with this circular arc.
5. a kind of inner high voltage rubber pocket pipe fitting according to claim 1 pushes away the o ing device, it is characterized in that, what the longitudinal profile of described hollow thin-wall pipe fitting (20) presented is shaped as: two with same base are trapezoidal, and wherein having, the trapezoidal of the longest base is that a right angle is trapezoidal.
6. a kind of inner high voltage rubber pocket pipe fitting according to claim 5 pushes away the o ing device, it is characterized in that, described hollow thin-wall pipe fitting (20) is enclosed within outer half U-lag (16) the cathetus position of putting into of rubber pocket (9), be enclosed within the outside binding nut (12) of rubber pocket (9) and be positioned at straight line position outer end position, and the strong point of hollow thin-wall pipe fitting (20) is arranged in the upper end-face edge of half U-lag (16) cathetus position horizontal section.
7. the application rights pipe fitting that requires 1 described inner high voltage rubber pocket pipe fitting to push away the o ing device pushes away the o ing method, it is characterized in that this method specifically may further comprise the steps:
Step 1, in rubber pocket (9), fill with hydraulic oil (21), use binding nut (12) that fishbolt (11) is fixed then from oil filler point (17);
Step 2, hollow thin-wall pipe fitting (20) is enclosed within outside the rubber pocket (9), put into half U-lag (16) cathetus position with binding nut (12) towards the mode of the outer end at half U-lag (16) cathetus position then, and make the strong point of hollow thin-wall pipe fitting (20) be positioned at the upper end-face edge at half U-lag (16) cathetus position;
Step 3, between crooked pushing block (8) and rubber pocket (9), put into bumper pad (10);
Step 4, the outer end of binding nut (12) is linked to each other the patrix that closes (3) with an end of push rod (13);
Step 5, with the right side of hydraulic press cut somebody's hair (19) link to each other with the other end of push rod (13), utilize hydraulic press to exert pressure then, the right side of hydraulic press cut somebody's hair (19) apply left power F
2To promote hollow thin-wall pipe fitting (20) to left movement, and then promote crooked pushing block (8) and do counterclockwise circular motion, crooked pushing block (8) drives rocking arm (6) and rotates; rocking arm (6) drives cog (5) and does and rotate counterclockwise; the rotating counterclockwise of cog (5) drives the tooth bar (7) that is meshed with cog (5) to left movement, to the left side of hydraulic press cut somebody's hair (18) apply left power, the left side of while hydraulic press cut somebody's hair (18) apply to the right power F
1, after crooked pushing block (8) anglec of rotation is greater than 90 degree, hollow thin-wall pipe fitting (20) will be curved the elbow blank at the crooked position in half U-lag (16), finish the bend pipe process;
Step 6, with the hydraulic press pressure release;
Step 7, open patrix (3) and take out the elbow blank, take out rubber pocket (9) simultaneously;
Step 8, the patrix that closes (3) utilize hydraulic press to exert pressure again, and cut somebody's hair from the left side of hydraulic press (18) apply power F to the right
3, move right to drive tooth bar (7), cog (5) are clockwise rotated, again by rocking arm (6) power transmission, crooked pushing block (8) clockwise direction is rotated reset; Simultaneously the right side of hydraulic press cut somebody's hair (19) apply left power F
4, reset to drive push rod (13).
8. a kind of inner high voltage rubber pocket pipe fitting according to claim 7 pushes away the o ing method, it is characterized in that, what the longitudinal profile of the hollow thin-wall pipe fitting (20) described in the step 2 presented is shaped as: two with same base are trapezoidal, and wherein having, the trapezoidal of the longest base is that a right angle is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110187752.XA CN102284575B (en) | 2011-07-06 | 2011-07-06 | Inner high-pressure rubber pocket pipe fitting bending and forming device and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110187752.XA CN102284575B (en) | 2011-07-06 | 2011-07-06 | Inner high-pressure rubber pocket pipe fitting bending and forming device and forming method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102284575A true CN102284575A (en) | 2011-12-21 |
| CN102284575B CN102284575B (en) | 2014-02-12 |
Family
ID=45331481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110187752.XA Expired - Fee Related CN102284575B (en) | 2011-07-06 | 2011-07-06 | Inner high-pressure rubber pocket pipe fitting bending and forming device and forming method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102284575B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286173A (en) * | 2013-06-17 | 2013-09-11 | 中国航空工业集团公司北京航空制造工程研究所 | Tubular product bending internal pressing supporting device and tubular product bending method |
| CN103920765A (en) * | 2014-04-03 | 2014-07-16 | 南京航空航天大学 | Thin-walled metal tube bending and forming method |
| CN104043734A (en) * | 2014-06-11 | 2014-09-17 | 沈阳飞机工业（集团）有限公司 | Small-bending-radius aviation conduit bend forming die and forming method thereof |
| CN105215113A (en) * | 2015-09-25 | 2016-01-06 | 沈阳航空航天大学 | A kind of continuous recurvation Aluminum Alloy Tube push away o ing device and method |
| CN105598265A (en) * | 2015-12-21 | 2016-05-25 | 哈尔滨奔马科技有限公司 | Overall forming method of small-relative-bending-radius and large-diameter-thickness-ratio thin-walled bent pipe fitting |
| CN106345953A (en) * | 2016-09-29 | 2017-01-25 | 天津天锻航空科技有限公司 | Forming tool and forming method for circumferential non-closed variable-cross-section cylindrical part |
| CN111659817A (en) * | 2020-05-22 | 2020-09-15 | 王明 | Manufacturing process of U-shaped aluminum pipe |
| CN112705602A (en) * | 2020-12-08 | 2021-04-27 | 浙江嘉达机械制造有限公司 | Bent pipe machining process |
| CN112974588A (en) * | 2021-02-03 | 2021-06-18 | 日照职业技术学院 | Low-pressure stretch bending method for hollow part with extremely small bending radius |
| CN113020355A (en) * | 2021-04-07 | 2021-06-25 | 济南盈晖建筑工程有限公司 | Thin-wall metal pipe bending lining device |
| CN114273500A (en) * | 2021-12-09 | 2022-04-05 | 中航贵州飞机有限责任公司 | Use method of flexible pressurizing block for hydraulic forming of rubber bag |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5961526A (en) * | 1982-10-01 | 1984-04-07 | Mitsubishi Heavy Ind Ltd | Pipe bending method |
| CN1270858A (en) * | 1999-04-15 | 2000-10-25 | 宝鸡有色金属加工厂 | Small radius bending method of metal pipe and positioner processing method |
| CN2467219Y (en) * | 2000-12-15 | 2001-12-26 | 沈小蛇 | Antiflat and anti shrunken device for steel pipe bending processing |
| CN101947584A (en) * | 2010-09-02 | 2011-01-19 | 吉林麦达斯铝业有限公司 | Hydraulic compensator adopting spherical fillers |
-
2011
- 2011-07-06 CN CN201110187752.XA patent/CN102284575B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5961526A (en) * | 1982-10-01 | 1984-04-07 | Mitsubishi Heavy Ind Ltd | Pipe bending method |
| CN1270858A (en) * | 1999-04-15 | 2000-10-25 | 宝鸡有色金属加工厂 | Small radius bending method of metal pipe and positioner processing method |
| CN2467219Y (en) * | 2000-12-15 | 2001-12-26 | 沈小蛇 | Antiflat and anti shrunken device for steel pipe bending processing |
| CN101947584A (en) * | 2010-09-02 | 2011-01-19 | 吉林麦达斯铝业有限公司 | Hydraulic compensator adopting spherical fillers |
Non-Patent Citations (1)
| Title |
|---|
| 付云方等: "橡皮囊成形的研究进展", 《中国制造业信息化》, vol. 38, no. 7, 30 April 2009 (2009-04-30) * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286173B (en) * | 2013-06-17 | 2015-02-04 | 中国航空工业集团公司北京航空制造工程研究所 | Tubular product bending method |
| CN103286173A (en) * | 2013-06-17 | 2013-09-11 | 中国航空工业集团公司北京航空制造工程研究所 | Tubular product bending internal pressing supporting device and tubular product bending method |
| CN103920765B (en) * | 2014-04-03 | 2016-07-13 | 南京航空航天大学 | Thin metallic tubd pushes away o ing method |
| CN103920765A (en) * | 2014-04-03 | 2014-07-16 | 南京航空航天大学 | Thin-walled metal tube bending and forming method |
| CN104043734A (en) * | 2014-06-11 | 2014-09-17 | 沈阳飞机工业（集团）有限公司 | Small-bending-radius aviation conduit bend forming die and forming method thereof |
| CN105215113A (en) * | 2015-09-25 | 2016-01-06 | 沈阳航空航天大学 | A kind of continuous recurvation Aluminum Alloy Tube push away o ing device and method |
| CN105598265A (en) * | 2015-12-21 | 2016-05-25 | 哈尔滨奔马科技有限公司 | Overall forming method of small-relative-bending-radius and large-diameter-thickness-ratio thin-walled bent pipe fitting |
| CN106345953A (en) * | 2016-09-29 | 2017-01-25 | 天津天锻航空科技有限公司 | Forming tool and forming method for circumferential non-closed variable-cross-section cylindrical part |
| CN111659817A (en) * | 2020-05-22 | 2020-09-15 | 王明 | Manufacturing process of U-shaped aluminum pipe |
| CN112705602A (en) * | 2020-12-08 | 2021-04-27 | 浙江嘉达机械制造有限公司 | Bent pipe machining process |
| CN112974588A (en) * | 2021-02-03 | 2021-06-18 | 日照职业技术学院 | Low-pressure stretch bending method for hollow part with extremely small bending radius |
| CN112974588B (en) * | 2021-02-03 | 2022-11-25 | 日照职业技术学院 | Low-pressure stretch bending method for hollow part with extremely small bending radius |
| CN113020355A (en) * | 2021-04-07 | 2021-06-25 | 济南盈晖建筑工程有限公司 | Thin-wall metal pipe bending lining device |
| CN114273500A (en) * | 2021-12-09 | 2022-04-05 | 中航贵州飞机有限责任公司 | Use method of flexible pressurizing block for hydraulic forming of rubber bag |
| CN114273500B (en) * | 2021-12-09 | 2023-09-29 | 中航贵州飞机有限责任公司 | Application method of flexible pressurizing block for rubber bag hydroforming |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102284575B (en) | 2014-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102284575B (en) | Inner high-pressure rubber pocket pipe fitting bending and forming device and forming method thereof | |
| CN100518984C (en) | Round pipe steel component arc clod curving forming mould | |
| CN101147934A (en) | Tube bending forming processing device | |
| CN101829716B (en) | Method for pressing nuclear power main pipeline | |
| TWI504451B (en) | Method and device for producing a tube by hydroforming | |
| CN201432029Y (en) | Elbow forming machine | |
| CN205571178U (en) | Pipe special forming die that bends | |
| CN102962308B (en) | Special internal high pressure shaping method for thin-wall welded shell | |
| CN105598265A (en) | Overall forming method of small-relative-bending-radius and large-diameter-thickness-ratio thin-walled bent pipe fitting | |
| CN108673058A (en) | Automobile buffer beam straight seam welding Rollforming Shaped Tube technique and die-changing apparatus | |
| CN103753118A (en) | Bending method of large-diameter thin-wall aluminum pipe and die | |
| JP4711445B2 (en) | Bulge forming method and apparatus | |
| CN207872792U (en) | A kind of cold pressing swan neck system | |
| JP2008510625A (en) | Method and apparatus for producing a hollow profile seam welded longitudinally | |
| CN101972914A (en) | Manufacture method for bending crooked pipe | |
| CN201120431Y (en) | Round tube steel component arcuated cold bending shaping mold | |
| CN201815578U (en) | Cold extruding mold core of metal bent pipe | |
| CN101428311B (en) | Bend pipe apparatus | |
| CN102430626A (en) | Thin-wall equant (small)-radius elbow secondary forming device and secondary forming method thereof | |
| CN207257200U (en) | A kind of Drawing-Core tubing emebosser | |
| CN202683708U (en) | Molding device of metal spiral corrugated pipes | |
| CN205949600U (en) | Double bend compound shaper that expands of passing through many hands or places of upsetting side by side | |
| CN104942112B (en) | Method of forming thin-wall blank step by step with multi-rod force application | |
| CN102950421A (en) | Integrally-formed combined pipe fitting manufacturing method | |
| CN105363916A (en) | Oscillating cylinder forming die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20140212 Termination date: 20150706 |
|
| EXPY | Termination of patent right or utility model |