CN201815557U - Cold extruding die for dual-head pipe joint - Google Patents
Cold extruding die for dual-head pipe joint Download PDFInfo
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- CN201815557U CN201815557U CN2010201504084U CN201020150408U CN201815557U CN 201815557 U CN201815557 U CN 201815557U CN 2010201504084 U CN2010201504084 U CN 2010201504084U CN 201020150408 U CN201020150408 U CN 201020150408U CN 201815557 U CN201815557 U CN 201815557U
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Abstract
The utility model discloses a cold extruding die for a dual-head pipe joint, which comprises an upper die fixing plate, a lower die fixing plate, an upper die sleeve, a middle die sleeve, a lower die sleeve and an upper die guide pillar. The inner bore of the middle die sleeve is dodecagonal. Ejection devices are respectively arranged between the upper die fixing plate and the lower die fixing plate and between the middle die sleeve and the upper die sleeve. The cold extruding die additionally comprises supporting plates which are fixed on the left side and the right side of the upper die fixing plate. The supporting plates are also arranged on the left sides and the right sides of the upper die sleeve, the middle die sleeve, the lower die sleeve and the lower die fixing plate. The supporting plates are movably connected with the upper die sleeve and the middle die sleeve. The cold extruding die for the dual-head pipe joint can be used for manufacturing dodecagonal dual-head pipe joints, and has the advantages that the production cost can be reduced and the demolding operation is easy.
Description
Technical field
The utility model relates to cold extrusion die, particularly a kind of cold extrusion die of double-ended pipe joint.
Background technology
At present, outside in the manufacturing of silk double-ended pipe joint product, general be cast into blank with double-ended pipe joint shaping casting mould earlier, carry out fine finishining with the blank of lathe after again, a screw thread outside processing with screw die mantle fiber or the lathe double-ended pipe joint after with fine finishining at last casting.Adopt above technology to have following defective:
1) product surface produced of casting die is coarse, has defectives such as sand holes, pore, burr, crackle, does not reach required precision, has influenced the quality of product;
When 2) with lathe the back double-ended pipe joint blank of casting being carried out fine finishining, owing to will machine away the excess metal material of double-ended pipe joint blank and coarse surface, cutting output is big, thereby has caused the waste of material, has increased the production cost of making double-ended pipe joint.
In the prior art, cold extrusion die comprises: comprise the mould bases that is made of cope match-plate pattern, lower bolster, guide pillar, guide pin bushing, bolt, die shank, die shank is upward through from the cope match-plate pattern central hole location, is embedded in the center of cope match-plate pattern, and the lower end of die shank is against on the counterdie backing plate; It comprises that also with the lower bolster upper end be basal plane, the counterdie backing plate that is located in successively from top to bottom, counterdie fixed head, lower die-sleeve, middle die sleeve, Upper Die-sleeve, upper mould fixed plate, upper die plate; Described cope match-plate pattern, upper die plate, upper mould fixed plate connect with bolted, and lower bolster, counterdie backing plate and counterdie fixed head are connected with bolted; And vertically through the last punch of the tubulose at upper mould fixed plate, Upper Die-sleeve, middle die sleeve, lower die-sleeve center, described punch one end of going up withstands on the upper die plate lower end, and the described last punch other end is embedded in the Upper Die-sleeve; And the lower punch that vertically matches with last punch internal diameter through counterdie fixed head center, described lower punch one end is against on the counterdie backing plate, and described lower punch is embedded in the middle die sleeve; It also comprises vertical patrix guide pillar through upper mould fixed plate, Upper Die-sleeve, middle die sleeve, and described patrix guide pillar one end is against on the upper die plate, and the other end is embedded in the lower die-sleeve; And vertically through the counterdie guide pillar of counterdie fixed head, lower die-sleeve, middle die sleeve, Upper Die-sleeve, described counterdie guide pillar one end is against on the counterdie backing plate, and the other end is embedded in the Upper Die-sleeve.
The shortcoming of this cold extrusion die is: during the demoulding, will go up, after middle die sleeve unloads successively, the product after the extruding could be taken out from lower punch; Next time, elder generation after middle die sleeve, Upper Die-sleeve being installed successively, pushed after semi-finished product to be processed are inserted in lower punch next time when pushing.In this mould production process, go up, middle die sleeve is installed, it is more to unload number of times, the power that consumes again consuming time has strengthened the recruitment cost, even can not finish the demoulding of product.
The utility model content
Technical problem to be solved in the utility model provided and a kind ofly reduced production costs, the cold extrusion die of the double-ended pipe joint of the demoulding easily.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: comprise upper mould fixed plate, counterdie fixed head, Upper Die-sleeve, middle die sleeve, lower die-sleeve, patrix guide pillar, described middle die sleeve endoporus is 12 jiaos of plum blossom shapes; Be provided with liftout attachment between described counterdie fixed head and the lower die-sleeve and between middle die sleeve and the Upper Die-sleeve; It also comprises the supporting plate that is fixed on the upper mould fixed plate left and right sides, and described supporting plate also is arranged in the left and right sides of Upper Die-sleeve, die sleeve, lower die-sleeve, counterdie fixed head; Described supporting plate and Upper Die-sleeve are for flexibly connecting, and described supporting plate and middle die sleeve are for flexibly connecting.
After adopting above technical scheme, the cold extrusion die of the utility model double-ended pipe joint compared with prior art has the following advantages:
In this scheme, the endoporus of die sleeve is 12 jiaos of plum blossom shapes in described, constituting the shape chamber of 12 jiaos of plum blossom double-ended pipe joint products with punch on the tubulose, is the core of formed product, and purpose is that the product that the cold extrusion die of double-ended pipe joint is produced is 12 jiaos of plum blossom double-ended pipe joints.Being provided with liftout attachment between described counterdie fixed head and the lower die-sleeve and between middle die sleeve and the Upper Die-sleeve, is in order to realize the demoulding of 12 jiaos of plum blossom double-ended pipe joint products.When promptly after 12 jiaos of plum blossom double-ended pipe joint formed product, carrying out the demoulding, described upper mould fixed plate upwards promotes under the drive of die shank, described supporting plate also upwards promotes under the drive of upper mould fixed plate, and the pressure that supporting plate can make the counterdie fixed head bear in the process that upwards promotes reduces, when the pressure that described bottom plate bears reduces, liftout attachment between described counterdie fixed head and the lower die-sleeve upwards promotes lower die-sleeve, and lower die-sleeve is separated with bottom plate; Along with the raising of die shank, 12 jiaos of plum blossom double-ended pipe joints break away from lower punch; When the liftout attachment between counterdie fixed head and the lower die-sleeve makes progress thrust when being zero, middle die sleeve separates with lower die-sleeve; Because described supporting plate and Upper Die-sleeve are for flexibly connecting, described supporting plate and middle die sleeve are for flexibly connecting, when continuing to promote under the drive of supporting plate at die shank, because gravity effect, described Upper Die-sleeve and middle die sleeve fall simultaneously, Upper Die-sleeve moves downward in the self gravitation effect, finishes separating of Upper Die-sleeve and upper mould fixed plate; Simultaneously, die sleeve during the liftout attachment between described middle die sleeve and the Upper Die-sleeve promotes downwards, die sleeve separates with Upper Die-sleeve in making; At this moment, on the die sleeve, can rely on the product self gravitation to come off during product rests on, perhaps it be got, thereby finish the knockout course of product by instrument.In the manufacturing of 12 jiaos of plum blossom double-ended pipe joint products, can adopt high-quality and high-precision seamless pipeline section to put on the lower punch of cold extrusion die as semifinished material, after extruding for several times, just can directly obtain more high accuracy and the more product of high-quality requirement, seamless pipeline section is through after pushing for several times, its density can increase greatly, thereby has improved the quality of product.With the machine tooling contrast, saved the excess metal material under the machine tooling cutting, reduced cost of labor and material cost.
As optimal way, liftout attachment between described counterdie fixed head and the lower die-sleeve, comprise many counterdie springs and be arranged on the lower end of described lower die-sleeve and the following blind hole that equates with described counterdie number of springs, it also comprise be arranged on the counterdie fixed head and with a plurality of through hole I of counterdie spring opposite position, and be installed in lower spring guide pillar among each through hole I, one end of described every counterdie spring is against on the roof of corresponding blind hole down, and the other end is linked on the corresponding lower spring guide pillar; Liftout attachment in described between die sleeve and the Upper Die-sleeve, comprise many patrix springs and be arranged on the lower end of described Upper Die-sleeve and the last blind hole that equates with described patrix number of springs, it also comprise be arranged on the die sleeve and with a plurality of through hole II of patrix spring opposite position, and be installed in medi-spring guide pillar among each through hole II, one end of described every patrix spring is against on the roof of corresponding upward blind hole, and the other end is linked on the corresponding medi-spring guide pillar; Its advantage is: because the liftout attachment between described counterdie fixed head and the lower die-sleeve, by blind hole, counterdie spring, through hole I, lower spring guide pillar constitute down, during product stripping, the counterdie spring upwards promotes lower die-sleeve, the counterdie spring housing is combined on the lower spring guide pillar of bottom plate, finishes lower die-sleeve and separate with bottom plate; Along with the raising of die shank, under the effect of counterdie spring force, the product that is linked in lower punch is broken away from last punch; Again because the liftout attachment between described middle die sleeve and the Upper Die-sleeve, constitute by last blind hole, patrix spring, medi-spring guide pillar, through hole II, during product stripping, die sleeve during the patrix spring promotes downwards, the patrix spring housing is combined on the medi-spring guide pillar of middle die sleeve, and die sleeve separates with Upper Die-sleeve in finishing.Describedly go up, the medi-spring guide pillar, can make the position between the die sleeve three of upper, middle and lower more accurate, thereby guarantee the precision of product, describedly go up, the medi-spring guide pillar can also prevent that patrix spring, counterdie spring are bound to the mould outside in the course of the work and go.
As optimal way, described supporting plate and Upper Die-sleeve are meant for flexibly connecting, be provided with mounting hole I on described each supporting plate, all there is the extension pin I that is arranged on hanging hole I place the left and right sides of described Upper Die-sleeve, and described extension pin I slides in the mounting hole I of described supporting plate; Described supporting plate and middle die sleeve are meant that for flexibly connecting be provided with mounting hole II on described each supporting plate, all there is the extension pin II that is arranged on hanging hole II place the left and right sides of described Upper Die-sleeve, and described extension pin II slides in the mounting hole II of described supporting plate; Its advantage is: limit to hang in the mounting hole of pin on supporting plate and slide, after product is finished the demoulding, Upper Die-sleeve, middle die sleeve are all hung on the supporting plate, thereby guaranteed the integrality of mould.This kind design, simple in structure, realize easily.
As optimal way, be provided with the skewer pin-and-hole on described each supporting plate, the side opening place of the described lower die-sleeve left and right sides all is equipped with the skewer pin of skewer pin spring, one end of described skewer pin is against in the mounting hole I of supporting plate, the other end of described skewer pin is against on the sidewall of described patrix guide pillar, and the axial length that described skewer pin is positioned at mounting hole I is less than or equal to the distance that described skewer pin slides at the skewer pin-and-hole; Its advantage is: when upwards promoting under the drive of patrix guide pillar at die shank, the end that the skewer pin is against supporting plate skewer pin guide groove can slide in mounting hole I, the skewer pin also can slide relatively with an end of patrix guide pillar sidewall contact, when the skewer pin slided into mounting hole I bottom, lower die-sleeve can be suspended on the supporting plate under the effect of skewer pin and together move upward with supporting plate; When continuing upwards to promote under the drive of patrix guide pillar at die shank, the skewer pin will break away from mounting hole I and patrix guide pillar, lower bolster just no longer is subjected to the drive of supporting plate, and in this process, described skewer pin can be assisted the counterdie spring to make lower die-sleeve closely follow middle die sleeve and be moved upward.
As optimal way, be provided with rubber blanket between described upper mould fixed plate and the Upper Die-sleeve, its advantage is: when Upper Die-sleeve separated with upper mould fixed plate, the liftout attachment between described Upper Die-sleeve and the middle die sleeve can separate Upper Die-sleeve and middle die sleeve; At this moment, when the patrix spring upwards promoted Upper Die-sleeve, rubber blanket can be with a cushioning effect to patrix, makes Upper Die-sleeve when the demoulding, can not clash into upper mould fixed plate.
Description of drawings
Fig. 1 is the main pseudosection of the cold extrusion die of double-ended pipe joint;
Fig. 2 is the profile of the cold extrusion die of double-ended pipe joint along the A-A direction;
Fig. 3 is that the cold extrusion die master of double-ended pipe joint looks section split structural representation;
Fig. 4 is the upward view of the cold extrusion die of double-ended pipe joint along the B-B direction;
Fig. 5 is the structure for amplifying schematic diagram of J part among cold extrusion die Fig. 1 of double-ended pipe joint.
Shown in the figure: 1, cope match-plate pattern, 2, lower bolster, 3, guide pillar, 4, guide pin bushing, 5, bolt, 6, die shank, 7, the counterdie backing plate, 8, the counterdie fixed head, 9, lower die-sleeve, 10, middle die sleeve, 11, Upper Die-sleeve, 12, upper mould fixed plate, 13, upper die plate, 14, last punch, 15, lower punch, 16, the patrix guide pillar, 17, the counterdie guide pillar, 18, the lower spring guide pillar, 19, following blind hole, 20, the counterdie spring, 21, the medi-spring guide pillar, 22, last blind hole, 23, the patrix spring, 24, rubber blanket, 25, the skewer pin, 26, skewer pin spring, 27, side opening, 28, screwed hole, 29, set bolt, 30, fixing guide pillar, 31, supporting plate, 32.1, mounting hole I, 32.2, mounting hole II, 33.1, hang pin I, 33.2, hang pin II, 34, the skewer pin-and-hole, 35.1, hanging hole I, 35.2, hanging hole II, 36, through hole I, 37, through hole II.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
The cold extrusion die of these 12 jiaos of double-ended pipe joints, comprise by a cope match-plate pattern 1, lower bolster 2, two guide pillars 3, two guide pin bushings 4, four hexagon socket head cap screws 5, the mould bases that die shank 6 constitutes, described die shank 6 is embedded in the center of cope match-plate pattern 1, and the lower end of die shank 6 withstands on the upper die plate 13.It comprises that also with lower bolster 2 upper ends be basal plane, has been located in a counterdie backing plate 7, counterdie fixed head 8, lower die-sleeve 9, middle die sleeve 10, Upper Die-sleeve 11, upper mould fixed plate 12, a upper die plate 13 from top to bottom successively; Wherein cope match-plate pattern 1, upper die plate 13, upper mould fixed plate 12 usefulness bolts 5 are fastenedly connected, and constitute an integral body; Wherein lower bolster 2, counterdie backing plate 7 and counterdie fixed head 8 also are fastenedly connected with bolt 5, constitute an integral body; Die sleeve 10 endoporus are 12 jiaos of plum blossom shapes in described; It also comprises vertically through the last punch 14 of a tubulose at upper mould fixed plate 12, Upper Die-sleeve 11, middle die sleeve 10, lower die-sleeve 9 centers, described on punch 14 1 ends withstand on the upper die plate 13, the other end is embedded in the Upper Die-sleeve 11; And a lower punch 15 that vertically matches with last punch 14 internal diameters through counterdie fixed head 8 centers, described lower punch 15 1 ends withstand on the counterdie backing plate 7, and the other end is embedded in the middle die sleeve 10; The last punch 14 of described tubulose and the endoporus of middle die sleeve 10 are formed the shape chamber of 12 jiaos of plum blossom double-ended pipe joints; It also comprises vertical four patrix guide pillars 16 through upper mould fixed plate 12, Upper Die-sleeve 11, middle die sleeve 10, and described patrix guide pillar 16 1 ends withstand on the upper die plate 13, and the other end is embedded in the lower die-sleeve 9; It also comprises vertical four counterdie guide pillars 17 through counterdie fixed head 8, lower die-sleeve 9, middle die sleeve 10, Upper Die-sleeve 11, and described counterdie guide pillar 17 1 ends withstand on the counterdie backing plate 7, and the other end is embedded in the Upper Die-sleeve 11; It also comprises between described counterdie fixed head 8 and the lower die-sleeve 9 and between middle die sleeve 10 and the Upper Die-sleeve 11 and is provided with liftout attachment; With set bolt 29 and fixedly guide pillar 30 be fixed on the supporting plate 31 of upper mould fixed plate 12 left and right sides screwed holes 28, described supporting plate 31 also is arranged in the left and right sides of Upper Die-sleeve 11, die sleeve 10, lower die-sleeve 9, counterdie fixed head 8; Described supporting plate 31 is flexible connection with Upper Die-sleeve 11, and described supporting plate 31 is to flexibly connect with middle die sleeve 10.
Liftout attachment between described counterdie fixed head 8 and the lower die-sleeve 9, comprise four counterdie springs 20 and be arranged on the lower end of described lower die-sleeve 9 and four following blind holes 19 that equate with described counterdie spring 20 quantity, it also comprise be arranged on the counterdie fixed head 8 and with four through hole I 36 of counterdie spring 20 opposite positions, and be installed in lower spring guide pillar 18 among each through hole I 36, one end of described every counterdie spring 20 is against on the roof of corresponding blind hole 19 down, the other end is linked on the corresponding lower spring guide pillar 18, described through hole I 36, the quantity of lower spring guide pillar 10 equates with the quantity of counterdie spring 20; Liftout attachment in described between die sleeve 10 and the Upper Die-sleeve 11, four last blind holes 22 that comprise four patrix springs 23 and be arranged on the lower end of described Upper Die-sleeve 11 and equate with described patrix spring 23 quantity, it also comprise be arranged on the die sleeve 10 and with four through hole II 37 of patrix spring 23 opposite positions, and be installed in medi-spring guide pillar 21 among each through hole II 37, described every patrix spring 23 1 ends are against on the roof of corresponding upward blind hole 22, the other end is linked on the corresponding medi-spring guide pillar 21, described through hole II 37, the quantity of medi-spring guide pillar 21 equates that with the quantity of patrix spring 23 described lower spring guide pillar 18 and medi-spring guide pillar 21 are on same vertical center line.
Described supporting plate 31 is meant for flexibly connecting with Upper Die-sleeve 11, be provided with mounting hole I 32.1 on described each supporting plate 31, all there is the extension pin I 33.1 that is arranged on hanging hole I 35.1 places the left and right sides of described Upper Die-sleeve 11, and described each extension pin I 33.1 slides in the mounting hole I 32.1 of described supporting plate 31.
Described supporting plate 31 is meant for flexibly connecting with middle die sleeve 10, be provided with mounting hole II 32.2 on described each supporting plate 31, all there is the extension pin II 33.2 that is arranged on hanging hole II 35.2 places the left and right sides of described Upper Die-sleeve 11, and described each extension pin II 33.2 slides in the mounting hole II 32.2 of described supporting plate 31.
It also comprises on described each supporting plate 31 and is provided with skewer pin-and-hole 34, side opening 27 places of described lower die-sleeve 9 left and right sides all are equipped with the skewer pin 25 of skewer pin spring 26, one end of described skewer pin 25 is against in the mounting hole I 32.1 of supporting plate 31, and the other end of described skewer pin 25 is against on the sidewall of described patrix guide pillar 16; The axial length that described skewer pin 25 is positioned at mounting hole I 32.1 is less than or equal to the distance that described skewer pin 25 slides at skewer pin-and-hole 34; Described skewer pin 25 and skewer pin spring 26 quantity equate, all are two.Described mounting hole 32 is with to hang pin 33 diameters identical, and described skewer pin guide groove 34 is identical with the diameter of skewer pin 25; It also comprises between upper mould fixed plate 12 and the Upper Die-sleeve 11 and is provided with rubber blanket 24.
The cold extrusion die course of work of the utility model double-ended pipe joint is as follows:
The first step, adopting seamless steel pipe is that raw material are made 12 jiaos of double-ended pipe joints, and the seamless steel pipe segment is become pipeline section.
Second step, the seamless pipeline section that is cut down is put into the shape chamber of the cold extrusion die of double-ended pipe joint, through extruding for several times, just can finish the manufacturing of 12 jiaos of plum blossom double-ended pipe joint products behind the matched moulds.
The 3rd step, die sinking.Be that die shank 6 is upwards mentioned, described upper mould fixed plate 12 upwards promotes under the drive of die shank 6, described supporting plate 31 and patrix guide pillar 16 upwards promote under the drive of upper mould fixed plate 12 simultaneously, then skewer pin 25 by skewer pin-and-hole 34 positions to lower slider and terminate in the following seam position of mounting hole I, when patrix guide pillar 16 under the drive of die shank 6, when continuing upwards to promote, skewer pin 25 will break away from patrix guide pillar 17, then under the elastic force effect of skewer pin spring 26, from mounting hole I, shift out, and break away from the following seam position of mounting hole I at skewer pin 25; And the pressure that supporting plate 31 can make counterdie fixed head 8 bear in the process that upwards promotes reduces, when the pressure that described counterdie fixed head 8 bears reduces, liftout attachment between described counterdie fixed head 8 and the lower die-sleeve 9 upwards promotes lower die-sleeve 9, makes lower die-sleeve 9 separate 8 with bottom plate; When the liftout attachment between counterdie fixed head 8 and the lower die-sleeve 9 makes progress thrust when being zero, middle die sleeve 10 separates with lower die-sleeve 9; Because described supporting plate 31 is flexible connection with Upper Die-sleeve 11, described supporting plate 31 is flexible connection with middle die sleeve 10, when supporting plate 31 continues to promote under the drive of die shank 6, because gravity effect, described Upper Die-sleeve 11 and middle die sleeve 10 fall simultaneously, Upper Die-sleeve 11 moves downward in the self gravitation effect, finishes separating of Upper Die-sleeve 11 and upper mould fixed plate 12; Simultaneously, hang pin 33.1 in mounting hole I to lower slider and terminate in the following seam position of described mounting hole I, hang pin 33.2 in mounting hole II to lower slider and terminate in the following seam position of described mounting hole II, simultaneously, die sleeve 10 during liftout attachment in described between die sleeve 10 and the Upper Die-sleeve 11 promotes downwards, die sleeve 10 separates with Upper Die-sleeve 11 in making; At this moment, product rests on the middle die sleeve 10.
In the 4th step, take out product.
Product on middle die sleeve 10 can rely on the product self gravitation to come off, and perhaps by instrument it is got.
Claims (7)
1. the cold extrusion die of a double-ended pipe joint, comprise upper mould fixed plate (12), counterdie fixed head (8), Upper Die-sleeve (11), middle die sleeve (10), lower die-sleeve (9), patrix guide pillar (16), it is characterized in that: the endoporus of die sleeve (10) is 12 jiaos of plum blossom shapes in described; Be provided with liftout attachment between described counterdie fixed head (8) and the lower die-sleeve (9) and between middle die sleeve (10) and the Upper Die-sleeve (11); It also comprises the supporting plate (31) that is fixed on upper mould fixed plate (12) left and right sides, and described supporting plate (31) also is arranged in the left and right sides of Upper Die-sleeve (11), die sleeve (10), lower die-sleeve (9), counterdie fixed head (8); Described supporting plate (31) flexibly connects with Upper Die-sleeve (11), and described supporting plate (31) flexibly connects with middle die sleeve (10).
2. the cold extrusion die of double-ended pipe joint according to claim 1, it is characterized in that: the liftout attachment between described counterdie fixed head (8) and the lower die-sleeve (9), comprise many counterdie springs (20) and be arranged on the lower end of described lower die-sleeve (9) and the following blind hole (19) that equates with described counterdie spring (20) quantity, it also comprise be arranged on that counterdie fixed head (8) is gone up and with the corresponding through hole I of counterdie spring (20) (36), and be installed in lower spring guide pillar (18) among each through hole I (36), one end of described every counterdie spring (20) is against on the roof of corresponding blind hole (19) down, and the other end is linked on the corresponding lower spring guide pillar (18).
3. the cold extrusion die of double-ended pipe joint according to claim 1, it is characterized in that: the liftout attachment in described between die sleeve (10) and the Upper Die-sleeve (11), comprise many patrix springs (23) and be arranged on the lower end of described Upper Die-sleeve (11) and the last blind hole (22) that equates with described patrix spring (23) quantity, it also comprise be arranged on that middle die sleeve (10) is gone up and with the corresponding through hole II of patrix spring (23) (37), and be installed in medi-spring guide pillar (21) among each through hole II (37), one end of described every patrix spring (23) is against on the roof of corresponding upward blind hole (22), and the other end is linked on the corresponding medi-spring guide pillar (21).
4. according to the cold extrusion die of the described double-ended pipe joint of claim 1, it is characterized in that: described supporting plate (31) flexibly connects with Upper Die-sleeve (11) and is meant, be provided with mounting hole I (32.1) on described each supporting plate (31), the left and right sides of described Upper Die-sleeve (11) all has and is arranged on the extension pin I (33.1) that hanging hole I (35.1) locates, and described extension pin I (33.1) slides in the mounting hole I (32.1) of described supporting plate (31).
5. according to the cold extrusion die of the described double-ended pipe joint of claim 1, it is characterized in that: described supporting plate (31) flexibly connects with middle die sleeve (10) and is meant, be provided with mounting hole II (32.2) on described each supporting plate (31), the left and right sides of described Upper Die-sleeve (11) all has and is arranged on the extension pin II (33.2) that hanging hole II (35.2) locates, and described extension pin II (33.2) slides in the mounting hole II (32.2) of described supporting plate (31).
6. according to the cold extrusion die of claim 4 or 5 described double-ended pipe joints, it is characterized in that: be provided with skewer pin-and-hole (34) on described each supporting plate (31), the side opening (27) of described lower die-sleeve (9) left and right sides locates all to be equipped with the skewer pin (25) of skewer pin spring (26), one end of described skewer pin (25) is against in the mounting hole I (32.1) of supporting plate (31), and the other end of described skewer pin (25) is against on the sidewall of described patrix guide pillar (16); The axial length that described skewer pin (25) is positioned at mounting hole I (32.1) is less than or equal to the distance that described skewer pin (25) slides at skewer pin-and-hole (34).
7. the cold extrusion die of double-ended pipe joint according to claim 1 is characterized in that: be provided with rubber blanket (24) between described upper mould fixed plate (12) and the Upper Die-sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201504084U CN201815557U (en) | 2010-03-30 | 2010-03-30 | Cold extruding die for dual-head pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201504084U CN201815557U (en) | 2010-03-30 | 2010-03-30 | Cold extruding die for dual-head pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201815557U true CN201815557U (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201504084U Expired - Fee Related CN201815557U (en) | 2010-03-30 | 2010-03-30 | Cold extruding die for dual-head pipe joint |
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| Country | Link |
|---|---|
| CN (1) | CN201815557U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205356A (en) * | 2010-03-30 | 2011-10-05 | 陆颂荫 | Cold extrusion die for double end pipe joint |
| CN102303090A (en) * | 2011-08-23 | 2012-01-04 | 江苏大学 | Device and method for compounding and forming central flange pipe joint from pipe blank in single-step and multi-directional way |
-
2010
- 2010-03-30 CN CN2010201504084U patent/CN201815557U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205356A (en) * | 2010-03-30 | 2011-10-05 | 陆颂荫 | Cold extrusion die for double end pipe joint |
| CN102205356B (en) * | 2010-03-30 | 2012-12-26 | 宁波市鄞州剑均机械科技有限公司 | Cold extrusion die for double end pipe joint |
| CN102303090A (en) * | 2011-08-23 | 2012-01-04 | 江苏大学 | Device and method for compounding and forming central flange pipe joint from pipe blank in single-step and multi-directional way |
| CN102303090B (en) * | 2011-08-23 | 2013-08-21 | 江苏大学 | Device and method for compounding and forming central flange pipe joint from pipe blank in single-step and multi-directional way |
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Granted publication date: 20110504 Termination date: 20120330 |