CN101157098A - Contracted pipe shaping mold - Google Patents
Contracted pipe shaping mold Download PDFInfo
- Publication number
- CN101157098A CN101157098A CNA2007101348106A CN200710134810A CN101157098A CN 101157098 A CN101157098 A CN 101157098A CN A2007101348106 A CNA2007101348106 A CN A2007101348106A CN 200710134810 A CN200710134810 A CN 200710134810A CN 101157098 A CN101157098 A CN 101157098A
- Authority
- CN
- China
- Prior art keywords
- draw
- locating
- shaping mold
- locating piece
- shaft shoulder
- 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.)
- Pending
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a shrinkage pipe molding die which is labor saving and steady, and can improve the product quality and the production efficiency, and the die comprises a die seat and a shrinkage pipe mould, a cone-shaped working hole is provided in the die seat. The shrinkage pipe mould mainly consists of a shaft shoulder, a locating piece and a shrinkage pipe body, the shrinkage pipe body is formed by at least two incorporated shrinkage pipe monomers of which the outer wall is cooperated with the inner wall of the cone-shaped working hole. Locating shoulders, grooves and a molding surface are arranged on the inner wall of the shrinkage pipe monomer, all locating shoulders are combined together to form the locating hole of the shrinkage pipe body, all locating grooves are combined together to form the locating cavity of the shrinkage pipe body, all molding surfaces are combined together to form the molding cavity of the shrinkage pipe body, a locating block is arranged in the locating cavity, and a shaft shoulder is arranged on the outer side of the locating block. The invention is mainly used for the pressure molding of the pipe material.
Description
Technical field
The present invention relates to contracted pipe shaping mold to tubing compression moulding.
Background technology
As shown in Figure 1, a kind of contracted pipe shaping mold commonly used comprises: die holder 1 and the draw mould 2 that is arranged in the die holder 1.The course of work of this contracted pipe shaping mold is: at first will need pipe fitting processed 4 to be clamped in the clamping 3, then, on die holder 1, apply an axial thrust, this thrust is directly delivered on the draw mould 2, make the draw mould 2 and the outer wall of pipe fitting 4 constantly push, at last required shape is processed in the end of pipe fitting 4.With this pipe-reduction mold pipe fitting is carried out existing when the draw is shaped following shortcoming:
1, needs enough big axial thrust just can overcome move ahead resistance in the process of draw mould, make that draw mould fltting speed is slow, reduced production efficiency;
2, during the draw, it is wrinkling that blank is very easy to unstability, and simultaneously, the tube wall that need be out of shape does not tend to cause buckling deformation owing to born whole draw pressure, influences product quality.
3, in the progradation of draw mould, the resistance that draw mould is subjected to advances the increase of the degree of depth along with it and increases progressively, so just determined above-mentioned draw mould unsuitable long, in order to ensure the shaping length of pipe fitting, the ductility that just must reduce pipe fitting is the degree of shrinkage of pipe fitting; Need the pipe fitting of higher ductility for some, just need through the moulding of secondary draw ability; And the secondary draw just needs to change draw mould, reorientate, and this not only can cause the further decline of production efficiency, but also can have influence on the axiality behind the draw, has influence on the quality of product.
4, this contracted pipe shaping mold only is applicable to the end draw moulding to pipe fitting.
5, because of mould and pipe fitting relative motion generation friction, with pipe fitting plucking, scratch, have influence on product quality easily.
Summary of the invention
Technical problem to be solved by this invention is: contracted pipe shaping mold a kind of not only laborsaving but also stable and that can improve product quality and production efficiency is provided.
Further technical problem to be solved by this invention is: provide a kind of can be to any one section contracted pipe shaping mold that carries out draw moulding of pipe fitting.
For solving the problems of the technologies described above, the technical solution used in the present invention is: contracted pipe shaping mold, comprise: die holder and draw mould, offer the taper work hole in the described die holder, described draw mould is mainly by the shaft shoulder, locating piece and draw body constitute, the draw monomer that draw body is matched with the inwall in taper work hole by at least two its outer walls lumps together and constitutes, the inwall of draw monomer is provided with the location shoulder, detent and forming surface, all shoulder combination backs, location constitute the locating hole of draw body, all detent combination backs constitute the positioning chamber of draw body, all forming surface combination backs constitute the forming cavity of draw body, be arranged with locating piece in the positioning chamber, the arranged outside of locating piece has the shaft shoulder.
Be respectively arranged with the screwed hole of centre and the centre bore of mutual perforation in the above-mentioned shaft shoulder and the locating piece, be provided with the location guide pin bushing in the screwed hole of centre, be provided with the plug that matches with its endoporus in the guide pin bushing of location, the outer surface of plug front portion is corresponding with the forming cavity inner surface after the gathering.
Evenly be provided with several T type skewed slots on the inwall in above-mentioned taper work hole, described draw body is made of the draw monomer that equates with T type skewed slot quantity, the outer wall of each draw monomer is provided with the T type slide block that matches with T type skewed slot, and each T type slide block is movably arranged in the corresponding T type skewed slot.
For solving above-mentioned further technical problem, the technical solution used in the present invention is: be provided with step on the inwall of each above-mentioned draw monomer between detent and forming surface, the step of all draw monomers lumps together the placing chamber of forming draw body.
Be respectively arranged with the pilot hole and the axis of guide that cooperatively interact in the above-mentioned shaft shoulder and the locating piece.
The invention has the beneficial effects as follows: the present invention is by the inwall in taper work hole in the die holder and the cone match between the external wall of the draw, make the major part that is applied to the axial thrust on the shaft shoulder all change into the convergent force that draw body is inside, because draw axon is more many greatly than the distance that draw body radially inwardly shrinks to the distance of advancing, thereby can save many power, so just can improve the fltting speed of draw mould, reduce the draw time; But also draw body lengthening can be improved draw ductility, guarantee that draw of pipe fitting is shaped.In addition, the present invention that is arranged so that of placing chamber can carry out draw moulding to any a section of pipe fitting, has further widened the application scenario of described contracted pipe shaping mold.
Description of drawings
Fig. 1 is the cross-sectional view of the pipe-reduction mold described in the background technology, pipe fitting and clamping;
Among the figure: 1, die holder, 2, draw mould, 3, clamping, 4, pipe fitting;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is the A-A cross-sectional view of Fig. 2;
Fig. 4 is a blast structural representation of the present invention;
Fig. 5 is the perspective view after die holder cuts;
Fig. 6 is the perspective view of draw monomer;
Among Fig. 2 to Fig. 6: 1, die holder, 11, bellmouth, 2, the shaft shoulder, 21, pilot hole, 22, lead-in cavity, 3, locating piece, 31, the axis of guide, 32, fixture block, 4, draw body, 41, draw monomer, 411, the location shoulder, 412, detent, 413, step, 414, forming surface, 42, locating hole, 43, positioning chamber, 44, forming cavity, 45, placing chamber, 5, plug, 6, pipe fitting, 7, the location guide pin bushing.
The specific embodiment
Extremely shown in Figure 4 as Fig. 2, contracted pipe shaping mold of the present invention, comprise: die holder 1 and draw mould, offer taper work hole 11 in the described die holder 1, described draw mould is mainly by the shaft shoulder 2, locating piece 3 and draw body 4 constitute, the draw monomer 41 that draw body 4 is matched with the inwall in taper work hole 11 by at least two its outer walls lumps together and constitutes, the inwall of draw monomer 41 is provided with location shoulder 411, detent 412 and forming surface 414, the shape of forming surface 414 can be decided according to the actual requirements, forming surface 414 in the present embodiment is the plane, like this, the forming cavity 44 that is formed by four forming surface 414 just can become square tube with a certain section of pipe, all location shoulder 411 combination backs constitute the locating hole 42 of draw body 4, all detent 412 combination backs constitute the positioning chamber 43 of draw body 4, all forming surface 414 combination backs constitute the forming cavity 44 of draw body 4, being arranged with locating piece 3 in the positioning chamber 43---the fixture block 32 of locating piece 3 is fastened in the positioning chamber 43, and the arranged outside of locating piece 3 has the shaft shoulder 2.In the present embodiment, for the inwall that prevents pipe fitting 6 is out of shape in draw process, in the described shaft shoulder 2 and locating piece 3, be respectively arranged with the screwed hole of centre and the centre bore of mutual perforation, being provided with location guide pin bushing 7 in the screwed hole of centre---the outer wall of location guide pin bushing 7 is provided with the screw thread that matches with screwed hole of centre, be provided with the plug 5 that matches with its endoporus in the guide pin bushing 7 of location, the outer surface of plug 5 front portions is corresponding with forming cavity 44 inner surfaces after the gathering---and the front portion of plug 5 is a square; Evenly be provided with four T type skewed slots 12 on the inwall in described taper work hole 11, described draw body 4 is made of four draw monomers 41, the outer wall of each draw monomer 41 is provided with the T type slide block 415 that matches with T type skewed slot 12, and each T type slide block 415 is movably arranged in the corresponding T type skewed slot 12; Be provided with step 413 on the inwall of each draw monomer 41 between detent 412 and forming surface 414, the step 413 of all draw monomers 41 lumps together the placing chamber 45 of forming draw body 4; Be respectively arranged with the pilot hole 21 and the axis of guide 31 that cooperatively interact in the described shaft shoulder 2 and the locating piece 3.In addition, in order to guarantee the axiality in the process better, the right side of the shaft shoulder 2 also is provided with lead-in cavity 22, and the size that the size of lead-in cavity 22 and draw mould carry out the draw body 4 before the draw adapts, and is set on the outer right wall of draw body 4.
The course of work of the present invention is: at first pipe fitting 6 is filled in the forming cavity 44 of the mutual perforation in the draw body 4 and the installation cavity 45 and be located in the clamping described in the background technology; Then, pack into the anterior plug 5 that matches with forming cavity 45 in the shaft shoulder 2 by location guide pin bushing 7 and make the front portion of plug 5 extend through the position that pipe fitting 6 needs moulding; At this moment, on the shaft shoulder 2, apply an axial thrust, make that the shaft shoulder 2 drives locating piece 3 and draw body 4 moves right together; Because the inclined-plane between the T type skewed slot 12 on the T type slide block 415 on four draw monomers 41 in the draw body 4 and working hole 11 inwalls of die holder 1 cooperates, make the major part that is applied to the axial thrust on the shaft shoulder 2 all change into draw body 4 inside convergent force radially, the feasible tube wall that is arranged in the pipe fitting 6 of forming cavity 44 is retracted thereupon; When draw body 4 arrived the setting stroke, draw process finished; Next enter knockout course, on the shaft shoulder 2, apply an axial pulling force, the shaft shoulder 2 drives locating piece 3 and draw body 4 is moved to the left together, in moving process, pipe fitting 6 separates gradually with draw body 4, simultaneously plug 5 is return back to the position before the processing, during position before draw body 4 is got back to the draw, knockout course finishes, and gets ready for draw moulding next time.In draw process, because the distance that draw body 4 is axially advanced is more many greatly than the distance that it radially inwardly shrinks, thereby can save many power, like this, not only can improve the fltting speed of draw body 4, to improve draw efficient; Simultaneously, draw body 4 lengthenings can also be improved draw ductility, guarantee that draw of pipe fitting is shaped.In addition, the present invention that is arranged so that of placing chamber 45 can carry out draw moulding to any a section of pipe fitting 6, has further widened the application scenario of described contracted pipe shaping mold.
Claims (5)
1. contracted pipe shaping mold, comprise: die holder and draw mould, it is characterized in that: offer the taper work hole in the described die holder, described draw mould is mainly by the shaft shoulder, locating piece and draw body constitute, the draw monomer that draw body is matched with the inwall in taper work hole by at least two its outer walls lumps together and constitutes, the inwall of draw monomer is provided with the location shoulder, detent and forming surface, all shoulder combination backs, location constitute the locating hole of draw body, all detent combination backs constitute the positioning chamber of draw body, all forming surface combination backs constitute the forming cavity of draw body, be arranged with locating piece in the positioning chamber, the arranged outside of locating piece has the shaft shoulder.
2. contracted pipe shaping mold as claimed in claim 1, it is characterized in that: the screwed hole of centre and the centre bore that are respectively arranged with mutual perforation in the described shaft shoulder and the locating piece, be provided with the location guide pin bushing in the screwed hole of centre, be provided with the plug that matches with its endoporus in the guide pin bushing of location, the outer surface of plug front portion is corresponding with the forming cavity inner surface after the gathering.
3. contracted pipe shaping mold as claimed in claim 1 or 2, it is characterized in that: evenly be provided with several T type skewed slots on the inwall in described taper work hole, described draw body is made of the draw monomer that equates with T type skewed slot quantity, the outer wall of each draw monomer is provided with the T type slide block that matches with T type skewed slot, and each T type slide block is movably arranged in the corresponding T type skewed slot.
4. contracted pipe shaping mold as claimed in claim 1 or 2 is characterized in that: be provided with step on the inwall of described each draw monomer between detent and forming surface, the step of all draw monomers lumps together the placing chamber of forming draw body.
5. contracted pipe shaping mold as claimed in claim 1 or 2 is characterized in that: be respectively arranged with the pilot hole and the axis of guide that cooperatively interact in the described shaft shoulder and the locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101348106A CN101157098A (en) | 2007-10-22 | 2007-10-22 | Contracted pipe shaping mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101348106A CN101157098A (en) | 2007-10-22 | 2007-10-22 | Contracted pipe shaping mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101157098A true CN101157098A (en) | 2008-04-09 |
Family
ID=39305400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101348106A Pending CN101157098A (en) | 2007-10-22 | 2007-10-22 | Contracted pipe shaping mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101157098A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268854A (en) * | 2015-11-06 | 2016-01-27 | 湖北大学 | Pipe necking mould for thin-wall corrugated pipe |
| CN106623468A (en) * | 2015-10-31 | 2017-05-10 | 常州良旭车辆配件有限公司 | Pipe contracting die and pipe contracting method thereof |
| CN112122472A (en) * | 2020-06-28 | 2020-12-25 | 浙江赛格园林机械有限公司 | Pipe reducing device of pipe reducing machine |
| CN112122471A (en) * | 2020-06-28 | 2020-12-25 | 浙江赛格园林机械有限公司 | Annular pipe-impacting and shrinking machine |
-
2007
- 2007-10-22 CN CNA2007101348106A patent/CN101157098A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623468A (en) * | 2015-10-31 | 2017-05-10 | 常州良旭车辆配件有限公司 | Pipe contracting die and pipe contracting method thereof |
| CN105268854A (en) * | 2015-11-06 | 2016-01-27 | 湖北大学 | Pipe necking mould for thin-wall corrugated pipe |
| CN112122472A (en) * | 2020-06-28 | 2020-12-25 | 浙江赛格园林机械有限公司 | Pipe reducing device of pipe reducing machine |
| CN112122471A (en) * | 2020-06-28 | 2020-12-25 | 浙江赛格园林机械有限公司 | Annular pipe-impacting and shrinking machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202263880U (en) | Cold upsetting combined female die for machining blind rivet mandrel by upsetting-extruding method | |
| CN201052534Y (en) | Contracted pipe mold | |
| CN101954389B (en) | Metal elbow cold extrusion molding device | |
| RU2011148232A (en) | CUTTING TOOL AND METHOD FOR PRODUCING SUCH CUTTING TOOL | |
| CN106607469B (en) | Contact base extrusion die and its extrusion process | |
| CN105081096A (en) | Pipe end contraction machining die | |
| CN101157098A (en) | Contracted pipe shaping mold | |
| CN102500710A (en) | Automatic tee shaping equipment and shaping method thereof | |
| CN105344735A (en) | Cold extrusion forming mold and forming process of output shaft having inner hole | |
| CN101298089A (en) | Pipe-expansion mold | |
| CN202155387U (en) | Extrusion die for deep tapered part | |
| CN105312349A (en) | Method of increasing deformation quantity of cylinder bottom of metal backward-extrusion cylindrical part | |
| CN101298088A (en) | Pipe-reduction mold | |
| CN201140233Y (en) | Contracted pipe shaping mold | |
| CN208495685U (en) | Oil pipe bolt Combined mold for processing | |
| CN202824488U (en) | Reverse extruding die | |
| CN106238660A (en) | A kind of motor shaft compound molding device and method | |
| CN200984593Y (en) | Accurate steel-tube cold drawing machine chucking | |
| CN205702142U (en) | Double groove three-flange pipe end ends mould | |
| CN105127317A (en) | Pipe end necking die | |
| CN203170842U (en) | Slug shaping mold | |
| CN110116186B (en) | Method for manufacturing square hole cross groove sleeve blank for automobile repair | |
| CN202097343U (en) | Shoulder screw forming die free of turning | |
| CN108723274A (en) | Oil pipe bolt Combined mold for processing | |
| CN208600709U (en) | A kind of novel die suitable for helical teeth structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |