CN101091975A - Restriction boost type mould for introversive tube - Google Patents
Restriction boost type mould for introversive tube Download PDFInfo
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- CN101091975A CN101091975A CN 200710092473 CN200710092473A CN101091975A CN 101091975 A CN101091975 A CN 101091975A CN 200710092473 CN200710092473 CN 200710092473 CN 200710092473 A CN200710092473 A CN 200710092473A CN 101091975 A CN101091975 A CN 101091975A
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Abstract
The invention relates to a constraint boosting inversion pipeline mould that includes upper and down molding board, top die, tube blank, supporting base, guide pin bushing, inversion pipeline, constraint boosting block, boosting supporting block, compressed member, lever, pin and wrist. The constraint boosting block movably matches with the circular aperture in inversion pipeline mould. The boosting supporting block is movably located in the circular aperture of the inversion pipeline mould. The inversion pipeline mould is fixed on the inversion pipeline mould fixation block. Top die, inversion pipeline mould, constraint boosting block, and boosting supporting block are located on the same axis. One end of pin is fixed on the boosting supporting block and the other end is in the through-slot of one end of lever. The mould improves the yield and quality of inversion pipeline, and ensures the axiality of inner pipeline wall and outer pipeline wall.
Description
Technical field:
The press forming die that the present invention relates to turn in the thin-wall metal pipe.
Background technology:
At present, be shaped to make bimetallic tube and mainly contain axial pressing type and turn over pipe and drawing-inversion tube with turning over pipe.The mould that axial pressing type turns over the pipe employing has conical die, fillet mould and flute profile mould, and its process all is that pipe is placed on the mould, by the mode of axial pressure, forces pipe oral area edge to produce turnup.Its weak point is: yield rate is low, will bear bigger axial compressive force when overturning because of pipe, when axial compressive force during greater than the critical yield pressure of pipe, easily causes the tube wall unstability, makes and turns over tube failure.The flute profile mould of frictional force maximum turns in the pipe when being shaped especially, and is the most common; It is low to turn over the pipe quality, low precision, and because of the mobile of turnup tube wall is freely, so it is poor to turn over the axiality of the inside and outside tube wall behind the pipe, can not guarantee the uniformity of producing.The drawing-inversion tube complex process, yield rate is low, and practice is seldom.Turn over pipe and turn in can being divided into and turn up, the inside turnup in pipe end turns in being, outwards turnup is for turning up, in turn over difficulty greater than turning up.
Summary of the invention:
Purpose of the present invention, being provides a kind of restriction boost type mould for introversive tube at above-mentioned the deficiencies in the prior art, and this mould not only can carry out turning forming in the thin-wall metal pipe, and can improve and turn over pipe quality and yield rate, the axiality of the inside and outside tube wall behind the pipe is turned in assurance.
In order to realize the foregoing invention purpose, technical scheme of the present invention is:
The present invention includes bolster, top die, pipe, supporting seat, turn over pipe die and guide pin bushing guide pillar; It is characterized in that described top die is a cylinder, be 22-35mm, highly be that the circular hole of 23-25mm and diameter are 32-45mm, highly are the through hole that the circular hole of 8-10mm is formed by diameter successively on from the upper surface of top die to the axis of bottom surface, be fixed on to the top die vertical symmetry on the cope match-plate pattern lower surface transverse axis between the guide pin bushing.The described pipe die that turns over is a cylinder, be 32-45mm, highly be that the circular hole of 6-10mm and diameter are 20-33mm, highly are the through hole that the circular hole of 20-24mm is formed by diameter successively on from the upper surface that turns over pipe die to the axis of bottom surface, turn at the bottom of the hole of upper end circular hole of pipe die and hole wall is the circular arc smooth transition of 2.5-3.5mm by the radius of gyration, the through hole that turns in the pipe die is relative with the through hole of top die, turn over pipe die and be fixed on the upper surface that turns over the pipe die fixed block, the upper and lower side of pipe is positioned at the top die lower end respectively versatilely and turns over the circular hole of pipe die upper end.Turning over the pipe die fixed block is cylinder, has diameter to be 34-47mm, highly to be the round tube hole of 142.5-152.5mm from turning over pipe die fixed block upper surface to the axis of bottom surface, and having to the rear surface from the front surface that turns over the pipe die fixed block is 10 for 120-130mm, width highly
0 + 0.018-12
0 + 0.018The rectangle groove of the symmetry of mm and bottom surface upper shed turns over the pipe die fixed block and is fixed on the lower bolster upper surface transverse axis between the guide pillar, top die, turns over pipe die and turns over the pipe die fixed block and be positioned on the same axis.Constraint boosting piece is that diameter is 18-31mm, it highly is the cylinder of 90-100mm, have on the lower end axis of constraint boosting piece and highly cooperate with boosting back-up block upper end and cone angle is 60-80 ° for the cone table of 15-19mm, it highly is the taper type hole of 16-20mm, constraint boosting piece cooperates with the circular hole in turning over the pipe die lower end is movable, the middle lower end of boosting back-up block is a cylinder, be positioned at the round tube hole that turns over the pipe die fixed block versatilely, be fixed with the pin of vertical symmetry on from the bottom surface of boosting back-up block to cylinder front and rear surfaces highly respectively for the boosting back-up block of 64-69mm, the movable cooperation of rectangle groove that pin on the cylinder front and rear surfaces of boosting back-up block is interior with turning over pipe die fixed block front and back respectively, and stretch out the rectangle groove that turns in the pipe die fixed block front and back respectively, the external part of two pins respectively be positioned at that the square opening groove that turns over outer lever one end of pipe die fixed block front and rear surfaces is movable to be cooperated, before lower bolster one end that turns between pipe die fixed block and the left and right sides guide pillar behind the upper surface and the other end upper surface each fix a supporting seat, there is a groove the middle upper end of each supporting seat, and the groove groove waist upper end of each supporting seat has relatively and the through hole that cooperates with the bearing pin two ends.Two levers are identical shaft-like cylinder, two levers have the bearing pin movable round tube hole that cooperate interior with the groove upper end of corresponding supporting seat respectively, two depression bars are identical shaft-like cylinder, its lower surface is arcwall face, and the distance that the vertical center line branch of two depression bars is clipped to the pin center line on the cylinder front and rear surfaces of boosting back-up block equates.Before turning in the pipe, the distance of the bearing pin center line of the vertical center line of two depression bars in the upper end of supporting seat groove separately and bearing pin center line separately respectively are 80-90mm to the distance of pin center line separately, 120-110mm, the lower end surface of two depression bars is 6-8mm to the distance between the upper surface of lever separately, after opening the beginning in the pipe, cope match-plate pattern is under the effect of downward pressure, two depression bars and top die move downward synchronously with cope match-plate pattern, two depression bars act on the other end of two levers simultaneously respectively and move downward, one end of two levers drives boosting back-up block and constraint boosting piece turning over the circular hole motion of speed in top die that tube wall moves up greater than interior by pin, up to finish pipe in turn over.
The present invention compared with prior art has following technique effect:
1, improved and turned over the pipe quality, guaranteed to turn over the axiality of the inside and outside tube wall behind the pipe: in the process of pipe upset, the radial deformation of the tube wall that overturns has been retrained the axiality that guarantees inside and outside tube wall, improve and turn over the pipe quality by constraint boosting piece.
2, improved yield rate: when turning over pipe, cope match-plate pattern is subjected to the effect of downward axial compressive force, cope match-plate pattern, top die, two depression bars move downward synchronously, make at top die and turn over pipe upset between the pipe die, two depression bars make two corresponding lever stress, constraint boosting piece is to move up greater than the speed of moving on the inner layer tube wall that has overturn, by constraint boosting piece the tube wall that overturns is retrained and to promote the pipe upset, reduce and turn over the required plastic force of pipe, avoid the tube wall unstability, improve and turn over the pipe yield rate.
The Figure of description explanation:
Fig. 1 is the main cutaway view before the present invention turns over pipe, and Fig. 2 is that the present invention turns over the main cutaway view in the pipe shaping,
Fig. 3 is the vertical view after the present invention removes cope match-plate pattern, top die and guide pin bushing,
Fig. 4 is the front view of constraint boosting piece, and Fig. 5 is the upward view of Fig. 4,
Fig. 6 is the A-A revolved sectional view of Fig. 7, and Fig. 7 is the vertical view of top die,
Fig. 8 is the B-B revolved sectional view of Fig. 9, and Fig. 9 is the vertical view that turns over pipe die,
Figure 10 is the vertical view of supporting seat, and Figure 11 is the C-C cutaway view among Figure 10,
Figure 12 is the front view of boosting back-up block, and Figure 13 is the vertical view of Figure 12,
Figure 14 is the front view that turns over the pipe die fixed block, and Figure 15 is the vertical view of Figure 14,
Figure 16 is the front view of lever, and Figure 17 is the right view of Figure 18,
Figure 18 is the front view of depression bar, and Figure 19 is the D-D echelon sectional view among Figure 20,
Figure 20 is the vertical view of cope match-plate pattern, and Figure 21 is the E-E echelon sectional view among Figure 22,
Figure 22 is the vertical view of lower bolster.
In Fig. 1 to Figure 22:
1, screw 2, straight pin 3, top die 4, cope match-plate pattern 5, pipe 6, guide pin bushing 7, constraint boosting piece 8, turn over pipe die 9, pin 10, boosting back-up block 11, turn over pipe die fixed block 12, guide pillar 13, lower bolster 14, supporting seat 15, lever 16, bearing pin 17, depression bar 18 screws 19, snap close
The specific embodiment:
To external diameter is that 43mm, wall thickness 1mm, height are done following detailed description for the restriction boost type mould for introversive tube of No. 20 steel pipe pipes of 100mm:
The present invention includes top die, pipe, constraint boosting piece, turn over pipe die, guide pillar, guide pin bushing, turn over pipe die fixed block, lower bolster, supporting seat, lever, depression bar, bearing pin, cope match-plate pattern, pin.
Top die is that external diameter is the cylinder of diameter 85mm, be 33mm, highly be that the circular hole of 25mm and diameter are 43mm, highly are the through hole that the circular hole of 8mm is formed by diameter successively on from the upper surface of top die to the axis of bottom surface, circular hole chamfer radius on the top die bottom surface is 2mm, in top die upper surface diameter is the top die of the circumference of 60mm and top die upper surface transverse axis and the longitudinal axis intersection diameter being arranged all is the tapped through hole of 8mm, and in top die upper surface diameter is 45 ° and 225 ° top dies of locating of circumference clockwise direction of 60mm diameter being arranged all is 4
0 + 0.012The positioning through hole of mm.
Turning over pipe die is four-prism, the length of side of this four prisms cylinder is 110mm, on from the upper surface that turns over pipe die to the axis of bottom surface diameter being arranged successively is 43mm, be 33mm highly for the circular hole of 8mm and diameter, it highly is the through hole of the circular hole composition of 22mm, the circular hole chamfer radius that turns on the pipe die upper surface is 2mm, turning at the bottom of the hole of upper end circular hole of pipe die with hole wall is the circular arc smooth transition of 3mm by the radius of gyration, turning over 45 ° of the circumference clockwise directions that pipe die upper surface diameter is 100mm, 135 °, 225 °, 315 ° of turning over of locating all have the stepped hole relative with the tapped through hole that turns over the pipe die fixed block in the pipe die, counter bore hole diameters is 13.5mm, highly be 8.5mm, through-hole diameter is 8.5mm, highly being 21.5mm, is that diameter is respectively arranged in the pipe die is 5 to turning over of locating of 70 ° and 250 ° of the circumference clockwise directions of 100mm turning over pipe die upper surface diameter
0 + 0.012The positioning through hole of mm.
Turning over the pipe die fixed block is four prisms cylinder, the length of side of this four prisms cylinder is 110mm, highly be 152.5mm, it is the round tube hole of 45mm that the axis from the upper surface that turns over the pipe die fixed block to the bottom surface has diameter, and having to the rear surface from the front surface that turns over the pipe die fixed block is 12 for 130mm, width highly
0 + 0.018The rectangle groove of the symmetry of mm and bottom surface upper shed, at diameter is that the pipe die fixed block circumference clockwise direction that turns over of 100mm has 45 °, 135 °, 225 °, 315 ° turning over of locating diameter is all arranged in the pipe die fixed block is the tapped through hole of 8mm, and locating to turn over the pipe die fixed block 70 ° of this circumference clockwise directions and 250 °, diameter is respectively arranged is 5
0 + 0.012The positioning through hole of mm.
Constraint boosting piece is that diameter is 31mm, highly is the cylinder of 90mm, constraint boosting piece upper surface edge chamfer radius is 2mm, have cone angle to be 80 °, highly to be the truncated cone-shaped hole of 20mm on the lower end axis of constraint boosting piece, the lower end Circularhole diameter in this truncated cone-shaped hole is 20mm.
The upper end of boosting back-up block is that cone angle is 80 °, highly is the round platform of 19mm, this round platform lower surface diameter is 20mm, the middle lower end of boosting back-up block is that diameter is 44.9mm, it highly is the cylinder of 90mm, to highly having relatively for the cylinder front and rear surfaces of the boosting back-up block of 69mm and diameter is the tapped through hole of 12mm, two diameters are 12 from the bottom surface of boosting back-up block
-0.011 0Mm, length are that an end of the pin of 76mm is fixedlyed connected with the tapped through hole on the cylinder front and rear surfaces of boosting back-up block respectively.
Two levers are the cylinder that length is respectively 254mm, 20mm, 35mm, behind this end, all there is length to be respectively the opening groove of 30mm, 20mm, 12mm before two lever one ends, the bottom land of each opening groove is the smooth connection of circular arc of 6mm by radius, is that diameter all to be arranged in the rear end be 12 for the front end of 117mm from the other end end face distance of end end face to two lever of two levers
0 + 0.018Round tube hole, in two levers round tube hole respectively with two lever one ends in the center line of corresponding opening groove be located along the same line, the middle and lower part of two lever other end ends is respectively the smooth connection of circular arc of 20mm by radius; The middle upper end of two depression bars is length, wide, height is respectively 40mm, 30mm, the cylinder of 199mm, it is 8mm that diameter is arranged in the upper center of two depression bars, it highly is the screwed hole of 55mm, the lower end of two depression bars is length, wide, height is respectively 20mm, 30mm, the cylinder of 40mm, the lower end surface of the middle upper end of two depression bars is respectively smooth connection of circular arc of 10mm by radius with the left and right side, lower end of two depression bars, the lower end surface of two depression bars is respectively the smooth connection of circular arc of 10mm by radius, constitute arc-shaped surface, two depression bars be vertically fixed on respectively two depression bars the other end on the right cope match-plate pattern, the distance that the vertical center line branch of two depression bars is clipped to the pin center line on the cylinder front and rear surfaces of boosting back-up block is 200mm, before turning in the pipe, the distance of the bearing pin center line of the vertical center line of two depression bars in the upper end of supporting seat groove separately and bearing pin center line separately are respectively 90mm and 110mm to the distance of pin center line separately, and the lower end surface of two depression bars is 6mm to the distance between the upper surface of lever separately.
After opening the beginning in the pipe, cope match-plate pattern is under the effect of downward pressure, two depression bars and top die move downward synchronously with cope match-plate pattern, two depression bars act on the other end of two levers simultaneously respectively and move downward, one end of two levers drives boosting back-up block and constraint boosting piece turning over the circular hole motion of speed in top die that tube wall moves up greater than interior by pin, up to finish pipe in turn over.
Claims (7)
1, a kind of restriction boost type mould for introversive tube comprises bolster, top die, pipe, supporting seat, turns over pipe die and guide pin bushing guide pillar; It is characterized in that described top die is a cylinder, be 22-35mm, highly be that the circular hole of 23-25mm and diameter are 32-45mm, highly are the through hole that the circular hole of 8-10mm is formed by diameter successively on from the upper surface of top die to the axis of bottom surface, be fixed on to the top die vertical symmetry on the cope match-plate pattern lower surface transverse axis between the guide pin bushing; The described pipe die that turns over is a cylinder, be 32-45mm, highly be that the circular hole of 6-10mm and diameter are 20-33mm, highly are the through hole that the circular hole of 20-24mm is formed by diameter successively on from the upper surface that turns over pipe die to the axis of bottom surface, turn at the bottom of the hole of upper end circular hole of pipe die and hole wall is the circular arc smooth transition of 2.5-3.5mm by the radius of gyration, the through hole that turns in the pipe die is relative with the through hole of top die, turn over pipe die and be fixed on the upper surface that turns over the pipe die fixed block, the upper and lower side of pipe is positioned at the top die lower end respectively versatilely and turns over the circular hole of pipe die upper end; Turning over the pipe die fixed block is cylinder, has diameter to be 34-47mm, highly to be the round tube hole of 142.5-152.5mm from turning over pipe die fixed block upper surface to the axis of bottom surface, and having to the rear surface from the front surface that turns over the pipe die fixed block is 10 for 120-130mm, width highly
0 + 0.018-12
0 + 0.018The rectangle groove of the symmetry of mm and bottom surface upper shed turns over the pipe die fixed block and is fixed on the lower bolster upper surface transverse axis between the guide pillar, top die, turns over pipe die and turns over the pipe die fixed block and be positioned on the same axis; Constraint boosting piece is that diameter is 18-31mm, highly is the cylinder of 90-100mm, have on the lower end axis of constraint boosting piece highly to cooperate for the cone table of 15-19mm with boosting back-up block upper end and cone angle is 60-80 °, highly is the taper type hole of 16-20mm, the circular hole activity in retraining the boosting piece and turning over the pipe die lower end cooperates; The middle lower end of boosting back-up block is a cylinder, be positioned at the round tube hole that turns over the pipe die fixed block versatilely, be fixed with the pin of vertical symmetry on from the bottom surface of boosting back-up block to cylinder front and rear surfaces highly respectively for the boosting back-up block of 64-69mm, the movable cooperation of rectangle groove that pin on the cylinder front and rear surfaces of boosting back-up block is interior with turning over pipe die fixed block front and back respectively, and stretch out the rectangle groove in turning over before and after the pipe die fixed block respectively, the external part of two pins respectively be positioned at that the square opening groove that turns over outer lever one end of pipe die fixed block front and rear surfaces is movable to be cooperated; Before lower bolster one end that turns between pipe die fixed block and the left and right sides guide pillar behind the upper surface and the other end upper surface each fix a supporting seat, there is a groove the middle upper end of each supporting seat, and the groove groove waist upper end of each supporting seat has relatively and the through hole that cooperates with the bearing pin two ends; Two levers are identical shaft-like cylinder, and two levers have the bearing pin movable round tube hole that cooperate interior with the groove upper end of corresponding supporting seat respectively; Two depression bars are identical shaft-like cylinder, and its lower surface is arcwall face, and the distance that the vertical center line branch of two depression bars is clipped to the pin center line on the cylinder front and rear surfaces of boosting back-up block equates; Before turning in the pipe, the distance of the bearing pin center line of the vertical center line of two depression bars in the upper end of supporting seat groove separately and bearing pin center line separately respectively are 80-90mm to the distance of pin center line separately, 120-110mm, the lower end surface of two depression bars is 6-8mm to the distance between the upper surface of lever separately, after opening the beginning in the pipe, cope match-plate pattern is under the effect of downward pressure, two depression bars and top die move downward synchronously with cope match-plate pattern, two depression bars act on the other end of two levers simultaneously respectively and move downward, one end of two levers drives boosting back-up block and constraint boosting piece turning over the circular hole motion of speed in top die that tube wall moves up greater than interior by pin, up to finish pipe in turn over.
2, restriction boost type mould for introversive tube according to claim 1, it is characterized in that top die is that external diameter is the cylinder of diameter 85mm, on from the upper surface of top die to the axis of bottom surface diameter being arranged successively is 33mm, be 43mm highly for the circular hole of 25mm and diameter, it highly is the through hole of the circular hole composition of 8mm, circular hole chamfer radius on the top die bottom surface is 2mm, in top die upper surface diameter is the top die of the circumference of 60mm and top die upper surface transverse axis and the longitudinal axis intersection diameter being arranged all is the tapped through hole of 8mm, and in top die upper surface diameter is 45 ° and 225 ° top dies of locating of circumference clockwise direction of 60mm diameter being arranged all is 4
0 + 0.012The positioning through hole of mm.
3, restriction boost type mould for introversive tube according to claim 1, it is characterized in that turning over pipe die is four-prism, the length of side of this four prisms cylinder is 110mm, on from the upper surface that turns over pipe die to the axis of bottom surface diameter being arranged successively is 43mm, be 33mm highly for the circular hole of 8mm and diameter, it highly is the through hole of the circular hole composition of 22mm, the circular hole chamfer radius that turns on the pipe die upper surface is 2mm, turning at the bottom of the hole of upper end circular hole of pipe die with hole wall is the circular arc smooth transition of 3mm by the radius of gyration, turning over 45 ° of the circumference clockwise directions that pipe die upper surface diameter is 100mm, 135 °, 225 °, 315 ° of turning over of locating all have the stepped hole relative with the tapped through hole that turns over the pipe die fixed block in the pipe die, counter bore hole diameters is 13.5mm, highly be 8.5mm, through-hole diameter is 8.5mm, highly being 21.5mm, is that diameter is respectively arranged in the pipe die is 5 to turning over of locating of 70 ° and 250 ° of the circumference clockwise directions of 100mm turning over pipe die upper surface diameter
0 + 0.012The positioning through hole of mm.
4, restriction boost type mould for introversive tube according to claim 1, it is characterized in that turning over the pipe die fixed block is four prisms cylinder, the length of side of this four prisms cylinder is 110mm, highly be 152.5mm, it is the round tube hole of 45mm that axis from the upper surface that turns over the pipe die fixed block to the bottom surface has diameter, and having to the rear surface from the front surface that turns over the pipe die fixed block is 12 for 130mm, width highly
0 + 0.018The rectangle groove of the symmetry of mm and bottom surface upper shed, at diameter is that the pipe die fixed block circumference clockwise direction that turns over of 100mm has 45 °, 135 °, 225 °, 315 ° turning over of locating diameter is all arranged in the pipe die fixed block is the tapped through hole of 8mm, and locating to turn over the pipe die fixed block 70 ° of this circumference clockwise directions and 250 °, diameter is respectively arranged is 5
0 + 0.012The positioning through hole of mm.
5, restriction boost type mould for introversive tube according to claim 1, it is characterized in that retraining the boosting piece and be diameter and be 31mm, highly be the cylinder of 90mm, constraint boosting piece upper surface edge chamfer radius is 2mm, have cone angle to be 80 °, highly to be the truncated cone-shaped hole of 20mm on the lower end axis of constraint boosting piece, the lower end Circularhole diameter in this truncated cone-shaped hole is 20mm.
6, restriction boost type mould for introversive tube according to claim 1, the upper end that it is characterized in that the boosting back-up block is that cone angle is 80 °, highly is the round platform of 19mm, this round platform lower surface diameter is 20mm, the middle lower end of boosting back-up block is that diameter is 44.9mm, it highly is the cylinder of 90mm, to highly having relatively for the cylinder front and rear surfaces of the boosting back-up block of 69mm and diameter is the tapped through hole of 12mm, two diameters are 12 from the bottom surface of boosting back-up block
-0.011 0Mm, length are that an end of the pin of 76mm is fixedlyed connected with the tapped through hole on the cylinder front and rear surfaces of boosting back-up block respectively.
7, restriction boost type mould for introversive tube according to claim 1, it is characterized in that two levers are the cylinder that length is respectively 254mm, 20mm, 35mm, behind this end, all there is length to be respectively the opening groove of 30mm, 20mm, 12mm before two lever one ends, the bottom land of each opening groove is the smooth connection of circular arc of 6mm by radius, is that diameter all to be arranged in the rear end be 12 for the front end of 117mm from the other end end face distance of end end face to two lever of two levers
0 + 0.018Round tube hole, in two levers round tube hole respectively with two lever one ends in the center line of corresponding opening groove be located along the same line, the middle and lower part of two lever other end ends is respectively the smooth connection of circular arc of 20mm by radius; The middle upper end of two depression bars is length, wide, height is respectively 40mm, 30mm, the cylinder of 199mm, it is 8mm that diameter is arranged in the upper center of two depression bars, it highly is the screwed hole of 55mm, the lower end of two depression bars is length, wide, height is respectively 20mm, 30mm, the cylinder of 40mm, the lower end surface of the middle upper end of two depression bars is respectively smooth connection of circular arc of 10mm by radius with the left and right side, lower end of two depression bars, the lower end surface of two depression bars is respectively the smooth connection of circular arc of 10mm by radius, constitute arc-shaped surface, two depression bars be vertically fixed on respectively two depression bars the other end on the right cope match-plate pattern, the distance that the vertical center line branch of two depression bars is clipped to the pin center line on the cylinder front and rear surfaces of boosting back-up block is 200mm, before turning in the pipe, the distance of the bearing pin center line of the vertical center line of two depression bars in the upper end of supporting seat groove separately and bearing pin center line separately are respectively 90mm and 110mm to the distance of pin center line separately, and the lower end surface of two depression bars is 6mm to the distance between the upper surface of lever separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100924739A CN100493761C (en) | 2007-07-23 | 2007-07-23 | Restriction boost type mould for introversive tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100924739A CN100493761C (en) | 2007-07-23 | 2007-07-23 | Restriction boost type mould for introversive tube |
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| Publication Number | Publication Date |
|---|---|
| CN101091975A true CN101091975A (en) | 2007-12-26 |
| CN100493761C CN100493761C (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100924739A Expired - Fee Related CN100493761C (en) | 2007-07-23 | 2007-07-23 | Restriction boost type mould for introversive tube |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102741685A (en) * | 2009-12-18 | 2012-10-17 | R+I联合公司 | Apparatus and method for examining the internal wall of a portion of a tube, particularly for evaluating the extent of degradation of a plastic tube |
| CN102847810A (en) * | 2012-09-20 | 2013-01-02 | 天津市雨田工贸有限公司 | Drawing die for outer ring steel jackets |
| CN103433387A (en) * | 2013-08-28 | 2013-12-11 | 东风柳州汽车有限公司 | Stamping hole flanging device |
| CN107824631A (en) * | 2017-11-28 | 2018-03-23 | 华中科技大学 | A kind of building mortion and method of stainless steel bimetallic tube |
| CN107999623A (en) * | 2017-12-05 | 2018-05-08 | 马鞍山市万鑫铸造有限公司 | A kind of flanging upward hole mechanism |
| CN112103886A (en) * | 2020-09-08 | 2020-12-18 | 贵州贵巨和电力工程有限公司 | Cable installation adjusting frame for electric power engineering construction |
| CN113210513A (en) * | 2021-06-10 | 2021-08-06 | 燕山大学 | Deep-drawing die of deep-drawing piece with flange |
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2007
- 2007-07-23 CN CNB2007100924739A patent/CN100493761C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102741685A (en) * | 2009-12-18 | 2012-10-17 | R+I联合公司 | Apparatus and method for examining the internal wall of a portion of a tube, particularly for evaluating the extent of degradation of a plastic tube |
| CN102741685B (en) * | 2009-12-18 | 2015-01-14 | R+I联合公司 | Apparatus and method for examining the internal wall of a portion of a tube, particularly for evaluating the extent of degradation of a plastic tube |
| CN102847810A (en) * | 2012-09-20 | 2013-01-02 | 天津市雨田工贸有限公司 | Drawing die for outer ring steel jackets |
| CN103433387A (en) * | 2013-08-28 | 2013-12-11 | 东风柳州汽车有限公司 | Stamping hole flanging device |
| CN107824631A (en) * | 2017-11-28 | 2018-03-23 | 华中科技大学 | A kind of building mortion and method of stainless steel bimetallic tube |
| CN107824631B (en) * | 2017-11-28 | 2024-03-19 | 华中科技大学 | Forming device and method for stainless steel double-layer pipe |
| CN107999623A (en) * | 2017-12-05 | 2018-05-08 | 马鞍山市万鑫铸造有限公司 | A kind of flanging upward hole mechanism |
| CN112103886A (en) * | 2020-09-08 | 2020-12-18 | 贵州贵巨和电力工程有限公司 | Cable installation adjusting frame for electric power engineering construction |
| CN112103886B (en) * | 2020-09-08 | 2021-10-22 | 贵州贵巨和电力工程有限公司 | Cable installation adjusting frame for electric power engineering construction |
| CN113210513A (en) * | 2021-06-10 | 2021-08-06 | 燕山大学 | Deep-drawing die of deep-drawing piece with flange |
| CN113210513B (en) * | 2021-06-10 | 2022-03-15 | 燕山大学 | Deep-drawing die of deep-drawing piece with flange |
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| CN100493761C (en) | 2009-06-03 |
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Assignee: Zhuhai genius Mould Manufacturing Co., Ltd. Assignor: Chongqing University Contract record no.: 2010440000828 Denomination of invention: Restriction boost type mould for introversive tube Granted publication date: 20090603 License type: Exclusive License Open date: 20071226 Record date: 20100618 |
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