CN205599689U - Composite tooth takes turns extrusion die - Google Patents
Composite tooth takes turns extrusion die Download PDFInfo
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- CN205599689U CN205599689U CN201620430664.6U CN201620430664U CN205599689U CN 205599689 U CN205599689 U CN 205599689U CN 201620430664 U CN201620430664 U CN 201620430664U CN 205599689 U CN205599689 U CN 205599689U
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- die
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- mandrel
- tube reducing
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Abstract
Composite tooth takes turns extrusion die has a tapering body die, the inside deformation passageway that has one " L " shape of die, it is provided with compound dabber to warp the inside matching of passageway, compound dabber outside is equipped with access road, extrusion closing die orifice, corner passageway, support ring and exit channel in order, the support ring suit is at compound spindle, the inside heating ring that is provided with of compound dabber, the heating ring is through access road, extrusion closing die orifice and corner passageway to extend to the exit channel middle part, the heating ring top is connected with the inside control line that sets up of compound drift through connecting, compound dabber top is installed down the electromagnetism and is inhaled the ring, and lower electromagnetism is inhaled the ring and is used with the last electromagnet cooperation of installing on compound drift inside top, this composite tooth takes turns extrusion die has realized the purpose of " the continuous extrusion is out of shape many times for two kinds of materials, a blowing, near clean taking shape ", has improved the efficiency and the utilization ratio of material that the gear takes shape by a wide margin, has compound, simple, high -efficient, the easy advantage of controlling.
Description
Technical field
This utility model relates to the extrusion technique field of Metal Forming, a kind of metal and integrally moulded compound gear extrusion die.
Background technology
Gear is a kind of typical driving parts, and traditional gear production process mainly includes machining and Plastic Forming processing two big classes, but existing commercial production is still based on machining.There is a lot of shortcoming in " subtracting material " gear working method of this removal excess metal material, as manufacturing procedure is complicated, hold facility is many, stock utilization is low；And owing to metallic fiber is cut off in cutting process so that reliability and the ruggedness of produced gear are had a greatly reduced quality, and have had a strong impact on the capability and performance of product.
In recent years, precision plastic forming has become the emphasis of research both at home and abroad because it has the advantage such as working (machining) efficiency height, stock utilization height, good product performance.The part of precision plastic forming, its metal streamline is along parts profile continuous distribution, and materials microstructure is more preferable with product combination property.At present, gear precision plastic forming method mainly has finish forge, extruding, fine, rolls, puts stone roller etc..Wherein, relatively conventional with precision forging gear and extruding gear.
Good, the product of dimensional accuracy for acquisition surface matter, gear typically uses cold-extrusion shaping gear cold extrusion can be divided into forward extrusion and diameter reducing extrusion two kinds.Positive crowded teeth is cylindrical blank directly to carry out extruding form gear shape, to replace gear hobbing and gear shaping.Diameter reducing extrusion, is also named cold extrusion finishing, is the extruding carried out rough machined tooth base (i.e. through rolling, slotting semi-finished product gear) before heat treatment, to replace existing shaving.
Although gear cold extrusion advantage is obvious, but the most conventional cold-extrusion technology, material resistance of deformation is big, grain refining capability is weak, and the gear overall performance of shaping is the highest.And crystal grain thinning is to improve one of maximally effective approach of metal material combination property.In recent years, large plastometric set method is because it has strong grain refining capability and the huge modifying function of structural metallic materials Strengthening and Toughening is received great attention and the further investigation of material supply section educational circles.Equal-channel Angular Pressing is a kind of advanced technology the most representative and with the fastest developing speed in large plastometric set method, and its principle is to be pressed in a specially designed mould deformation blank to realize the detrusion technique of large plastometric set.It is close to the effect of pure shear by die channel corner, makes crystal grain significantly be refined, thus be effectively improved machinery and the physical property of material.
But, developing rapidly with large plastometric set theory and do not match that, the industrial applications of this technology is extremely limited at present, the most not yet sees the relevant report using Equal Channel Angular Pressing to carry out gear forming and performance boost.How Equal Channel Angular Pressing being applied to actual industrial production on a large scale, direct forming goes out industrial part, always perplexs a big realistic problem of this technological development., traditional metal materials is combined with plastic meanwhile, be also the important step realizing engineering goods light-weight design.
Therefore, necessary to tradition equal channel angular extrusion die structure improve, to overcome the shortcoming in the above-mentioned course of processing, finally realize the once-forming of compound gear, and then expand the range of application of Equal-channel Angular Pressing method and applicable object, it is directly used in actual industrial production process.
Summary of the invention
In order to overcome, conventional cold-extrusion technology material grains grain refining efficiency is strong, the most high deficiency of formed gear performance, and this utility model provides a kind of compound gear extrusion die；This compound gear extrusion die achieves the purpose of " bi-material; a blowing; continuously extruded; repeatedly to deform; near-net-shape ", effectively overcome tradition Equal Channel Angular Pressing and be difficult to the bottleneck of industrial applications, the efficiency of gear forming and the utilization rate of material are greatly improved, there is compound, simple, efficient, easily-controllable advantage.
This utility model solves its technical problem the technical scheme is that compound gear extrusion die, including: forcing press lower table, lower bolster, heating mantle, die sleeve, bolt, support ring, heating ring, compound mandrel, alignment pin, lower electromagnetism inhale ring, joint, control line, upper magnechuck, compound punch, upper mould fixed plate, cope match-plate pattern, access road, extruding tube reducing die orifice, corner passage, die, exit passageway, cutting machine, injection tube reducing die orifice, injection machine, universal wheel, refrigerated baffle, injecting head；Compound gear extrusion die has a tapering body die, has the deformation passage of " L " shape inside die；The matching internal of deformation passage is provided with compound mandrel；Compound mandrel exterior is sequentially with access road, extruding tube reducing die orifice, corner passage, support ring and exit passageway；Support ring is sleeved on compound mandrel；Access road cross section is smooth circular, and after extruding tube reducing die orifice, channel cross-section is the form of gear tooth, and at corner passage, corner is 90 °.
Compound mandrel is internally provided with heating ring, heating ring is through access road, extruding tube reducing die orifice and corner passage, and extend in the middle part of exit passageway, heating ring top is connected by the internal control line arranged of joint and compound punch, after control line switches on power, the thermaltransmission mode that heating ring is conducted by contact, it is possible to require to be that main several deformed regions heat effectively and rapidly from inside and are incubated according to material behavior and technological temperature；Compound mandrel top is provided with lower electromagnetism and inhales ring, be arranged on the upper magnechuck of compound punch inner tip with the use of, operationally can provide upwards pulling force for compound mandrel, it is ensured that extruding is smoothed out.
Die embeds in the die sleeve with identical tapering, the peripheral of die sleeve surrounds equipped with heating mantle, above die, coupling is provided with compound punch, compound punch top is embedded in upper mould fixed plate, the top of upper mould fixed plate is connected with cope match-plate pattern, die is fixed on lower bolster by bed bolt, and lower bolster is bolted on forcing press lower table.
In the drawings, die is vertically to divide mould, for left and right fabricated structure, is internally provided with compound mandrel, during installation, first support ring is inserted in compound mandrel；Secondly, support ring is placed in die deformation passage together with compound mandrel, and adjusts the position of compound mandrel；Then die left and right two parts are combined location by alignment pin, and connect fastening by die bolt, joint die cavity and compound mandrel collectively form the deformation passage of whole secondary mould, the upper entrance of deformation passage is provided with access road, being provided with extruding tube reducing die orifice below access road, access road cross section is smooth circular, after extruding tube reducing die orifice, channel cross-section is the form of gear tooth, and at corner passage, corner is 90 °.
In the drawings, the outer cover of die is equipped with die sleeve, and die sleeve plays pressure-bearing and position-limiting action in extrusion process, prevents extrded material or mould breakage from flying out and hurting sb.'s feelings simultaneously；Die sleeve entangles after die is integrally forming, and is fixed on lower bolster by bed bolt.
In the drawings, being set with heating mantle on the outer wall of die sleeve, both are in close contact, after being powered up, the thermaltransmission mode conducted by contact, it is possible to require that auxiliary heating ring is that whole secondary mould heats effectively and rapidly and is incubated from mould periphery according to material behavior and technological temperature.
In the drawings, compound punch is embedded in upper mould fixed plate, and upper mould fixed plate is connected with forcing press by cope match-plate pattern, and the length of compound punch is more than the length of access road, the most more convenient forcing press crimp blank.
In the drawings, compound mandrel afterbody connects injection tube reducing die orifice, and injecting head and refrigerated baffle that injection tube reducing die orifice can be installed with injection machine front end are mutually replaced and be connected；Universal wheel is installed bottom injection machine；By the movement of universal wheel, it is possible to make refrigerated baffle and injecting head and injection tube reducing die orifice move pairing and use.
In the drawings, injection tube reducing die orifice is placed with cutting machine with the junction of compound mandrel, and the gear after completing extruding and core injection is cut by cutting machine.
During use, tube-shaped parison is put in access road, compound punch inner control line is connected with joint, switch on power, the heating-up temperature of required heating ring is set according to actual needs, the heating-up temperature of heating mantle is set according to actual needs, set lower electromagnetism the most as required and inhale the captivation of ring and upper magnechuck, when temperature to be heated reaches requirement, it is pressed down against, by blank press-in extruding tube reducing die orifice, compound punch lifts after being pressed down against putting in place, simultaneously, note observing the position that support ring exits from exit passageway, support ring is taken away in time from exit passageway, and adjust injection machine position by universal wheel, make injecting head just to injection tube reducing die orifice, lock universal wheel simultaneously, and open injection machine carry out injection prepare；Put into next blank at access road, so continue extruding, when blank arrives injecting head position, stop extruding；Start injection machine, by injecting head, injection tube reducing die gap is molded, unlock universal wheel after injection in time, and injecting head translation is switched to refrigerated baffle, open refrigerating function, lock universal wheel simultaneously；When temperature reaches calcining temperature, unlock universal wheel, and remove injection machine；Now, open cutting machine, cut off extruding and the compound gear of core injection in desired location；Open forcing press and continue extruding, stop extruding in time and take workpiece away；So continue extruding until terminating；After extruding completes, lift compound mandrel, cut off the electricity supply, control line is separated with joint, take off heating mantle, unclamp bed bolt and take lower bolster away, eject die, i.e. can unclamp the die bolt on die, pound out alignment pin simultaneously, separating die, convenient entirety is taken out the deformation blank in deformation passage and compound mandrel, and is cleared up die inner chamber in time and periodic maintenance.All-in-one-piece deformation blank and compound mandrel can be to extrude use next time, and subsequent extrusion will not be used support ring.
The beneficial effects of the utility model:
1, this utility model is provided with a compound mandrel in deformation passage.On the one hand, hollow parts can be prepared by compound mandrel extruding.On the other hand, mandrel is internally provided with heating ring, closely can be internally heated deformation blank, have efficient, easily-controllable advantage.
2, this utility model mould inside is provided with access road, extruding tube reducing die orifice, corner passage and exit passageway.Extruding tube reducing die orifice is so that blank is gradually transitions the hollow wheel gear with profile of tooth by hollow pipe is molding by extrusion smoothly.In extrusion process, blank deforms continuously in mold cavity, there is profile of tooth extrusion molding and Equal-channel Angular Pressing two kinds deformation successively, achieve the purpose of " blowing; continuously extruded, repeatedly deforms, and shapes ", thus overcome Equal-channel Angular Pressing and be difficult to the bottleneck of industrial applications, it is effectively increased the stock utilization during the efficiency of deformable squeeze and gear forming.
3, this utility model is provided with injection tube reducing die orifice at die horizontal passage afterbody, composite core shaft end, coordinate the use of injection machine, can be directly at gear core injected plastics material, utilize squeeze function can realize the fast demoulding of compound gear simultaneously, reach once to extrude, several functions, simple efficient design effect.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further illustrated.
Fig. 1 is compound gear extrusion die cross-section structure principle schematic.
Fig. 2 is injection machine structural principle schematic diagram.
1. forcing press lower table, 2. lower bolster, 3. heating mantle in figure, 4. die sleeve, 5. bolt, 6. support ring, 7. heating ring, is 8. combined mandrel, 9. alignment pin, 10. descend electromagnetism to inhale ring, 11. joints, 12. control lines, magnechuck on 13., 14. compound punch, 15. upper mould fixed plates, 16. cope match-plate patterns, 17. access roades, 18. extruding tube reducing die orifices, 19. corner passages, 20. dies, 21. exit passageways, 22. cutting machines, 23. injection tube reducing die orifices, 24. injection machines, 25. universal wheels, 26. refrigerated baffles, 27. injecting heads.
Detailed description of the invention
In the drawings, compound gear extrusion die, including: forcing press lower table 1, lower bolster 2, heating mantle 3, die sleeve 4, bolt 5, support ring 6, heating ring 7, compound mandrel 8, alignment pin 9, lower electromagnetism inhale ring 10, joint 11, control line 12, upper magnechuck 13, compound punch 14, upper mould fixed plate 15, cope match-plate pattern 16, access road 17, extruding tube reducing die orifice 18, corner passage 19, die 20, exit passageway 21, cutting machine 22, injection tube reducing die orifice 23, injection machine 24, universal wheel 25, refrigerated baffle 26, injecting head 27；Compound gear extrusion die has a tapering body die 20, the internal deformation passage having " L " shape of die 20；The matching internal of deformation passage is provided with compound mandrel 8；Compound mandrel 8 is outside is sequentially with access road 17, extruding tube reducing die orifice 18, corner passage 19, support ring 6 and exit passageway 21；Support ring 6 is sleeved on compound mandrel 8；Access road 17 cross section is smooth circular, and after extruding tube reducing die orifice 18, channel cross-section is the form of gear tooth, and at corner passage 19, corner is 90.
Compound mandrel 8 is internally provided with heating ring 7, heating ring 7 is through access road 17, extruding tube reducing die orifice 18 and corner passage 19, and extend in the middle part of exit passageway 21, heating ring 7 top is connected by the internal control line 12 arranged of joint 11 and compound punch 14, after control line 12 switches on power, the thermaltransmission mode that heating ring 7 is conducted by contact, it is possible to require to be that main several deformed regions heat effectively and rapidly from inside and are incubated according to material behavior and technological temperature；Compound mandrel 8 top is provided with lower electromagnetism and inhales ring 10, be arranged on the upper magnechuck 13 of compound punch 14 inner tip with the use of, operationally can provide upwards pulling force for compound mandrel 8, it is ensured that extruding is smoothed out.
Die 20 embeds in the die sleeve 4 with identical tapering, the peripheral of die sleeve 4 surrounds equipped with heating mantle 3, above die 20, coupling is provided with compound punch 14, compound punch 14 top is embedded in upper mould fixed plate 15, the top of upper mould fixed plate 15 is connected with cope match-plate pattern 16, die 20 is fixed on lower bolster 2 by bed bolt, and lower bolster 2 is bolted on forcing press lower table 1.
In the drawings, die 20 is vertically to divide mould, for left and right fabricated structure, is internally provided with compound mandrel 8, during installation, first support ring 6 is inserted in compound mandrel 8；Secondly, support ring 6 is placed in die 20 together with compound mandrel 8 and deforms in passage, and adjust the position of compound mandrel 8；Then die about 20 two parts are combined location by alignment pin 9, and connect fastening by die bolt 5, joint die cavity and compound mandrel 8 collectively form the deformation passage of whole secondary mould, the upper entrance of deformation passage is provided with access road 17, being provided with extruding tube reducing die orifice 18 below access road 17, access road 17 cross section is smooth circular, after extruding tube reducing die orifice 18, channel cross-section is the form of gear tooth, and at corner passage 19, corner is 90 °.
In the drawings, the outer cover of die 20 is equipped with die sleeve 4, and die sleeve 4 plays pressure-bearing and position-limiting action in extrusion process, prevents extrded material or mould breakage from flying out and hurting sb.'s feelings simultaneously；Die sleeve 4 entangles after die 20 is integrally forming, and is fixed on lower bolster 2 by bed bolt.
In the drawings, being set with heating mantle 3 on the outer wall of die sleeve 4, both are in close contact, after being powered up, the thermaltransmission mode conducted by contact, it is possible to require that auxiliary heating ring 7 is that whole secondary mould heats effectively and rapidly and is incubated from mould periphery according to material behavior and technological temperature.
In the drawings, compound punch 14 is embedded in upper mould fixed plate 15, and upper mould fixed plate 15 is connected with forcing press by cope match-plate pattern 16, and the length of compound punch 14 is more than the length of access road 17, the most more convenient forcing press crimp blank.
In the drawings, compound mandrel 8 afterbody connects injection tube reducing die orifice 23, and injecting head 27 and refrigerated baffle 26 that injection tube reducing die orifice 23 can be installed with injection machine 24 front end are mutually replaced and be connected；Universal wheel 25 is installed bottom injection machine 24；Movement by universal wheel 25, it is possible to make refrigerated baffle 26 and injecting head 27 move pairing with injection tube reducing die orifice 22 and use.
In the drawings, injection tube reducing die orifice 23 is placed with cutting machine 22 with the junction of compound mandrel 8, and the gear after completing extruding and core injection is cut by cutting machine 22.
nullDuring use，Tube-shaped parison is put in access road 17，Compound punch 14 inner control line 12 is connected with joint 11，Switch on power，The heating-up temperature of required heating ring 7 is set according to actual needs，The heating-up temperature of heating mantle 3 is set according to actual needs，Set lower electromagnetism the most as required and inhale the captivation of ring 10 and upper magnechuck 13，When temperature to be heated reaches requirement，It is pressed down against，By blank press-in extruding tube reducing die orifice 18，Compound punch 14 lifts after being pressed down against putting in place，Simultaneously，Note observing the position that support ring 6 exits from exit passageway 21，Support ring 6 is taken away in time from exit passageway 21，And adjust injection machine 24 position by universal wheel 25，Make injecting head 27 just to injection tube reducing die orifice 22，Locking universal wheel 25 simultaneously，And open injection machine 24 carry out injection prepare；Put into next blank at access road 17, so continue extruding, when blank arrives injecting head 27 position, stop extruding；Start injection machine 24, by injecting head 27, injection tube reducing die orifice 22 gap is molded, unlock universal wheel 25 after injection in time, and injecting head 27 translation is switched to refrigerated baffle 26, open refrigerating function, simultaneously locking universal wheel 25；When temperature reaches calcining temperature, unlock universal wheel 25, and remove injection machine 24；Now, open cutting machine 22, cut off extruding and the compound gear of core injection in desired location；Open forcing press and continue extruding, stop extruding in time and take workpiece away；So continue extruding until terminating；After extruding completes, lift compound mandrel 8, cut off the electricity supply, control line 12 is separated with joint 11, take off heating mantle 3, unclamp bed bolt and take lower bolster 2 away, eject die 20, i.e. can unclamp the die bolt 5 on die 20, pound out alignment pin 14 simultaneously, separating die 20, convenient entirety is taken out the deformation blank in deformation passage and compound mandrel 8, and is cleared up die 8 inner chamber in time and periodic maintenance.All-in-one-piece deformation blank and compound mandrel 8 can be to extrude use next time, and subsequent extrusion will not be used support ring 6.
Claims (7)
1. compound gear extrusion die, including: forcing press lower table (1), lower bolster (2), heating mantle (3), die sleeve (4), bolt (5), support ring (6), heating ring (7), compound mandrel (8), alignment pin (9), lower electromagnetism inhales ring (10), joint (11), control line (12), upper magnechuck (13), compound punch (14), upper mould fixed plate (15), cope match-plate pattern (16), access road (17), extruding tube reducing die orifice (18), corner passage (19), die (20), exit passageway (21), cutting machine (22), injection tube reducing die orifice (23), injection machine (24), universal wheel (25), refrigerated baffle (26), injecting head (27)；It is characterized in that: compound gear extrusion die has tapering body die (20), the internal deformation passage having " L " shape of die (20)；The matching internal of deformation passage is provided with compound mandrel (8)；Compound mandrel (8) is outside is sequentially with access road (17), extruding tube reducing die orifice (18), corner passage (19), support ring (6) and exit passageway (21)；Support ring (6) is sleeved on compound mandrel (8)；Compound mandrel (8) is internally provided with heating ring (7), and heating ring (7) is through access road (17), extruding tube reducing die orifice (18) and corner passage (19), and extends to exit passageway (21) middle part；Heating ring (7) top is connected by the internal control line (12) arranged of joint (11) and compound punch (14)；Compound mandrel (8) top is provided with lower electromagnetism and inhales ring (10), lower electromagnetism inhale ring (10) with the upper magnechuck (13) being arranged on compound punch (14) inner tip with the use of.
Compound gear extrusion die the most according to claim 1, it is characterized in that: die (20) embeds in the die sleeve (4) with identical tapering, the peripheral of die sleeve (4) surrounds equipped with heating mantle (3), in die (20) top, coupling is provided with compound punch (14), compound punch (14) top is embedded in upper mould fixed plate (15), the top of upper mould fixed plate (15) is connected with cope match-plate pattern (16), die (20) is fixed on lower bolster (2) by bed bolt, and lower bolster (2) is bolted on forcing press lower table (1).
Compound gear extrusion die the most according to claim 1, it is characterized in that: die (20) is vertically point mould, for left and right fabricated structure, die (20) left and right two parts are combined location by alignment pin (9), and connecting fastening by die bolt (5), joint die cavity and compound mandrel (8) collectively form the deformation passage of whole secondary mould.
Compound gear extrusion die the most according to claim 1, is characterized in that: access road (17) cross section is smooth circular, and after extruding tube reducing die orifice (18), channel cross-section is the form of gear tooth.
Compound gear extrusion die the most according to claim 1, is characterized in that: corner passage (19) place corner is 90 °.
Compound gear extrusion die the most according to claim 1, it is characterized in that: compound mandrel (8) afterbody connects injection tube reducing die orifice (23), injecting head (27) and refrigerated baffle (26) that injection tube reducing die orifice (23) can be installed with injection machine (24) front end are mutually replaced and are connected；Injection machine (24) bottom is provided with universal wheel (25).
Compound gear extrusion die the most according to claim 1, is characterized in that: injection tube reducing die orifice (23) is placed with cutting machine (22) with the junction of compound mandrel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620430664.6U CN205599689U (en) | 2016-05-13 | 2016-05-13 | Composite tooth takes turns extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620430664.6U CN205599689U (en) | 2016-05-13 | 2016-05-13 | Composite tooth takes turns extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205599689U true CN205599689U (en) | 2016-09-28 |
Family
ID=56965965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620430664.6U Withdrawn - After Issue CN205599689U (en) | 2016-05-13 | 2016-05-13 | Composite tooth takes turns extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205599689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710151A (en) * | 2016-05-13 | 2016-06-29 | 徐州工程学院 | Compound gear extrusion die |
| CN110328250A (en) * | 2019-05-10 | 2019-10-15 | 燕山大学 | A kind of Equal Channel Angular Extrusion Processing method of tubing |
-
2016
- 2016-05-13 CN CN201620430664.6U patent/CN205599689U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710151A (en) * | 2016-05-13 | 2016-06-29 | 徐州工程学院 | Compound gear extrusion die |
| CN110328250A (en) * | 2019-05-10 | 2019-10-15 | 燕山大学 | A kind of Equal Channel Angular Extrusion Processing method of tubing |
| CN110328250B (en) * | 2019-05-10 | 2020-06-02 | 燕山大学 | Equal-channel angular extrusion processing method for pipes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20170616 |