CN208495420U - A kind of novel die of rotary squeezing helical teeth internal gear - Google Patents
A kind of novel die of rotary squeezing helical teeth internal gear Download PDFInfo
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- CN208495420U CN208495420U CN201821049564.4U CN201821049564U CN208495420U CN 208495420 U CN208495420 U CN 208495420U CN 201821049564 U CN201821049564 U CN 201821049564U CN 208495420 U CN208495420 U CN 208495420U
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- formed punch
- die
- internal gear
- rotary squeezing
- helical teeth
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Abstract
The utility model provides a kind of novel die of rotary squeezing helical teeth internal gear, is made of upper die and lower die, and upper mold includes guiding mechanism, supporting mechanism, shedding mechanism, pressing mechanism, and the lower die includes positioning mechanism and shedding mechanism；Guide post in the guiding mechanism is two-way guide post, lead sheath is being mounted with positioned at the lower stripper center lower end in the shedding mechanism, it is squeezed in the pressing mechanism and two roller bearings is set between formed punch and upper fixed seat, shedding mechanism is also provided in lower die, discharging stooling is installed in the guide sleeve inside center, discharging mandril is arranged in discharging stooling bottom.The application of the utility model is so that spline rotary squeezing manufacturing procedure is reduced, and production efficiency improves several times, and product surface quality and workpiece size precision significantly improve, and higher standard requirement is fully achieved, while enterprise's production cost further decreases, can popularity.
Description
Technical field
This application involves extrusion die technical fields, and in particular to a kind of novel die of rotary squeezing helical teeth internal gear.
Background technique
The helical gear processing of gear internal tooth, the difficult point in always each enterprise's production and processing, domestic at present each for many years
The conventional method of enterprise is processed on dedicated broaching machine with broaching tool, and the production that this method is limited to broaching tool is complicated,
Period is long, and service life is low, and this production method processing efficiency is slow, low output, and cost is very high.And internal tooth rotary squeezing at
Type processing method, is a kind of novel processing method that domestic each processing enterprise's recent researches are inquired into, and more existing production method is all
More advantages, such as high production efficiency, cost reduce, and the workpiece strength that processes is high, high-quality, and before having extensive promote the use of
Scape.But it due to the limitation for a variety of causes such as higher technical requirements, operating process be cumbersome, is not yet widely popularized in production at present
It uses.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of novel dies of rotary squeezing helical teeth internal gear, realize
High production efficiency, long service life are conducive to promote.
In order to solve the above-mentioned technical problem, this application discloses a kind of novel die of rotary squeezing helical teeth internal gear, by
With equipment operation upper mold and be fixed on the worktable lower die composition, the upper mold include guiding mechanism, supporting mechanism, on unload
Expect mechanism, pressing mechanism, the lower die includes positioning mechanism and lower shedding mechanism.
Wherein, in upper mold, the supporting mechanism stands on upper mold gasket and upper die-cushion on cope plate by cope plate, vertically
Upper disk supporting plate composition at the top of piece, the guiding mechanism includes the guide post of the upper guide bush being fixed on cope plate, upper mold top, institute
Stating guide post is two-way guide post, and the guide post top is installed in the upper guide bush；The loading and unloading material mechanism is by being located at the upper mold
Discharging upper boom among gasket, the loading and unloading material plate positioned at discharging upper boom bottom, lower stripper, be located at the loading and unloading material plate and
Discharging strut between lower stripper and the lead sheath composition positioned at the lower stripper center lower end；The pressing mechanism packet
Include the formed punch housing surveyed in upper fixed seat, fixed seat, the extruding formed punch in the formed punch housing, lead sheath,
Cooperate the formed punch pressing ring being connected with fixed seat, be set to the formed punch pad for squeezing formed punch top peripheral, the extruding
The roller bearing being arranged between formed punch and upper fixed seat.
In lower die, the positioning mechanism include the bottom plate being installed on the workbench, the lower fixed seat being anchored on bottom plate,
The fixed lower module with lower fixed seat cooperation, the shedding mechanism include guide sleeve on bottom plate on the outside of the lower fixed seat,
The discharging stooling of the guide sleeve inside center, the discharging mandril of the lower discharging stooling bottom.It is set in discharging stooling periphery
Lower mold backing plate A is set, in the 16 periphery setting lower mold backing plate B of discharging mandril.
Further, guide post and guide sleeve before formed punch rotary squeezing starts and squeeze end always in fully closed conjunction state.
Further, it is preferred that the guide post is provided with 4, and the guide sleeve is correspondingly provided with 4.
Further, the lead sheath is connect by stripper with four guide posts.
Further, it is preferred that the upper disk supporting plate is provided with 4.
Further, the screw thread matched with the extruding formed punch, the extruding are set in the inner hole of the lead sheath
Formed punch leads in the screw thread run down always.
Further, the roller bearing is provided with two pieces, is separately positioned on the upper and lower position of the guide post.
Further, the lower fixed seat is sold directly to households by cylinder and is positioned with the bottom plate, and is fastened by screw.
Further, lower fixed seat center is equipped with inner hole, and the inner hole matches fixation with the outer circle of the lower module.
Further, it is equipped with lower die pressing ring at the top of the lower module, the upper end of the pressing ring and the lower module fits.
Compared with prior art, the application has the advantage that is with beneficial effect:
1, the utility model extends the helical gear processing method further progress of gear internal tooth, processes rotary squeezing
The pressing method of internal gear, from study, practice, grope in extend to mass production application during, and in mass production
In be widely applied, this design is proved by production practices in the past few years so that spline rotary squeezing manufacturing procedure reduce,
Production efficiency improves several times, and product surface quality and workpiece size precision significantly improve, and higher standard requirement is fully achieved,
Enterprise's production cost further decreases simultaneously, and profit increases, and reforms synergy for enterprise and walks out the road Liao Xin；
2, the invention patent has several innovations in the design of mold, thinking and the space of mold design is extended, in mould
Tool design and application are upper, increase new method, are allowed to rise to a new height, also make the country in gear internal tooth helical gear
Extruding method promoted and applied, promote domestic enterprise in the progress and Tool and Die Technology of the helical gear processing of internal tooth
Design and application, obtain further genralrlization and raising.
First is that the use of formed punch lead sheath, the effect of this component is extremely important, is that this item design is successfully crucial, makees
With having at 3 points: 1), when formed punch start workpiece extruding before, lead sheath with being contacted first with workpiece in upper mold downward stroke, and
Workpiece is pushed down from beginning to end, it is made to keep a kind of stable state, so that extrusion process is carried out and is completed.2), in extrusion process
Protective effect to formed punch, in the inner hole of lead sheath, production have with the screw thread that squeezes formed punch and match, it is crowded after mold assembly
Pressure formed punch runs work in the screw thread guiding of lead sheath always, and lead sheath is connect with four guide posts by stripper, obtained
Good stability is arrived, due to the cooperation with formed punch, formed punch also has good stability, makes extrusion process always in stabilization
In the state of complete, therefore obtained very high formed punch service life and product quality.3) workpiece, is unloaded: when workpiece rotation has squeezed
Cheng Hou squeezes formed punch and moves upwards with workpiece with upper mold, and workpiece and guide post and lower mould are detached from, and unloading force is by unloading at this time
Expect that system conductive to lead sheath, workpiece is laid from extruding formed punch, separates the two, to complete extrusion process；
Second is that guide post is two-way guide post, guide post top is often loaded in upper guide bush, and working position is transported up and down with mold under guide post
For the connection of upper/lower die and positioning when row, guide post and guide sleeve are before formed punch rotary squeezing starts and squeeze and terminate, and locate always
In fully closed conjunction state, to guarantee the stability of mold in extrusion process；
Third is that being different from other enterprises selects 4 ball bearings, but thrust roller bearing 2 are provided with, to complete
The advantages of squeezing the positioning of formed punch and rotation, designing in this way is to simplify mould structure, and can bear biggish extruding force, greatly
The service life for extending bearing greatly, reduces costs, also saves mold maintenance time；
Fourth is that upper and lower mould doubles material designs, tube workpiece which position above and below mold, workpiece can be from molds, easily
It is laid.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the shedding mechanism of upper mold in the utility model.
Fig. 3 is the structural schematic diagram of the pressing mechanism of upper mold in the utility model.
Wherein: 1. discharging upper booms；2. upper die plate；3. loading and unloading material plate；Disk supporting plate on 4.；5. cope plate；6. upper guide bush；
7. upper fixed seat；8. formed punch housing；9. squeezing formed punch；10. guide post；11. lower die pressing ring；12. lower module；13. discharging stooling；
14. guide sleeve；15. lower mould bottom plate；16. discharging mandril；17. lower mold backing plate A；18. lower mold backing plate B；19. lower fixed seat；20. lead
Sheath；21. lower stripper；22. formed punch pressing ring；23. formed punch pad；24. roller bearing；25. discharging strut.
Specific embodiment
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments.
As shown in Figure 1-Figure 3, the utility model provides a kind of novel die of rotary squeezing helical teeth internal gear, by with setting
The upper mold of received shipment row and the lower die being fixed on the worktable form, and the upper mold includes guiding mechanism, supporting mechanism, loading and unloading material machine
Structure, pressing mechanism, the lower die include positioning mechanism and lower shedding mechanism.
Wherein, in upper mold, the supporting mechanism by cope plate 5, vertically stand on the upper mold gasket 2 on cope plate 5 and on
Upper disk supporting plate 4 composition at 2 top of die-cushion piece, for fixing and supporting for mold.
The guiding mechanism includes the upper guide bush 6 being fixed on cope plate 5, the guide post 10 on upper mold top, the guide post 10
For two-way guide post 10,10 top of guide post is installed in the upper guide bush 6, and the lower working position of guide post 10 is run up and down with mold
When connection and positioning for upper/lower die.
The loading and unloading material mechanism is by being located at the discharging upper boom 1 of 2 centre of upper mold gasket, being located at 1 bottom of discharging upper boom
The loading and unloading material plate 3 in portion, lower stripper 21, the discharging strut 25 between the loading and unloading material plate 3 and lower stripper 21 and it is located at
The lead sheath 20 of 21 center lower end of lower stripper forms, and the shedding mechanism makes workpiece after extruding from extruding formed punch 9
On split away off, so that the separation of workpiece and formed punch is become smooth and simple, save the plenty of time, make internal tooth helical gear rotation squeeze
It presses through and plays impetus in the mass production of journey.
The pressing mechanism includes upper fixed seat 7, the interior formed punch housing 8 surveyed of fixed seat 7, is located at outside the formed punch
It covers the extruding formed punch 9 in 8, lead sheath 20, the formed punch pressing ring 22 being connected with the cooperation of fixed seat 7, be set to described squeeze
Press the roller bearing 24 being arranged between the formed punch pad 23, the extruding formed punch 9 and upper fixed seat 7 of 9 top peripheral of formed punch.Work as formed punch
Before starting to workpiece extruding, lead sheath 20 pushes down workpiece with contacting first with workpiece in upper mold downward stroke from beginning to end,
So that it is kept a kind of stable state, so that extrusion process is carried out and complete.9 top of formed punch is squeezed by formed punch housing 8 and formed punch
The circle of pad 23 is positioned and is compressed, and the lower part for squeezing formed punch 9 is fixed in lead sheath 20, the extruding formed punch 9 of elongate, due to
The protection of the fixation on top and the guide sleeve 14 of lower part is obtained, therefore enhances the stability of formed punch at work, is avoided previous
The trembling for squeezing formed punch in initial procedure makes the dimensional accuracy of the workpiece squeezed be greatly improved with surface quality.Lead
Sheath 20 is connect by stripper with four guide posts 10, good stability has been obtained, due to the cooperation with formed punch, formed punch
With good stability, complete extrusion process at steady-state always, thus obtained the very high formed punch service life and
Product quality.
In lower die, the positioning mechanism includes the bottom plate being installed on the workbench, the lower fixed seat that is anchored on bottom plate
19, cooperate fixed lower module 12 with the lower fixed seat 19, the lower shedding mechanism includes the lower fixed seat 19 on bottom plate
The discharging stooling 13 of the lower die guide sleeve 14 in outside, 14 inside center of lower die guide sleeve, the discharging of 13 bottom of discharging stooling
Mandril 16.In the 13 periphery setting lower mold backing plate A 17 of discharging stooling, in the 16 periphery setting lower mold backing plate B of discharging mandril
18.Lower die guide sleeve 14 cooperates and separates with guide post 10 in lower operation on the upper mold, thus complete the engagement of upper/lower die with point
From.Discharging stooling 13 and discharging mandril 16 act synergistically, and when workpiece needs to eject in lower die, workpiece is pushed up from lower die
Out.
Further, guide post 10 and guide sleeve 14 before formed punch rotary squeezing starts and squeeze end always in complete closure shape
State, to guarantee the stability of mold in extrusion process.
Further, it is preferred that the guide post 10 is provided with 4, and the guide sleeve 14 is correspondingly provided with 4.
Further, the lead sheath 20 is connect by stripper with four guide posts 10.
Further, it is preferred that the upper disk supporting plate 4 is provided with 4.
Further, the screw thread matched with the extruding formed punch 9 is set in the inner hole of the lead sheath 20, it is described to squeeze
Pressure formed punch 9 is led in the screw thread always to be run down.
Further, the roller bearing 24 is provided with two pieces, is separately positioned on the upper and lower position of the guide post 10, to
The positioning of extruding formed punch 9 and rotation are completed, it is middle compared to the prior art to use four ball bearings, that is, mould structure is simplified,
Biggish extruding force can be born again, the service life of bearing is substantially prolonged, reduces costs, when also saving mold maintenance
Between.
Further, the lower fixed seat 19 is sold directly to households by cylinder and is positioned with the bottom plate, and is fastened by screw, with
Guarantee the positioning accuracy of extruding formed punch 9.
Further, 19 center of lower fixed seat is equipped with inner hole, and the inner hole matches solid with the outer circle of the lower module 12
It is fixed, to be positioned to lower module 12.
Further, lower die pressing ring, the upper end phase of the pressing ring and the lower module 12 are equipped at the top of the lower module 12
Fitting.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (10)
1. a kind of novel die of rotary squeezing helical teeth internal gear, is made of upper die and lower die, the upper mold include guiding mechanism,
Supporting mechanism, loading and unloading material mechanism, pressing mechanism, the lower die include positioning mechanism and lower shedding mechanism；
In upper mold, the supporting mechanism stands on upper at the top of the upper mold gasket on cope plate and upper mold gasket by cope plate, vertically
Disk supporting plate composition；The guiding mechanism includes the guide post of the upper guide bush being fixed on cope plate, upper mold top, and the guide post is double
To guide post, the guide post top is installed in the upper guide bush；The loading and unloading material mechanism is by being located among the upper mold gasket
Discharging upper boom, the loading and unloading material plate positioned at discharging upper boom bottom, lower stripper, be located at the loading and unloading material plate and lower stripper it
Between discharging strut and positioned at the lower stripper center lower end lead sheath form；The pressing mechanism includes upper fixation
Seat, the formed punch housing surveyed in fixed seat, the extruding formed punch in the formed punch housing, lead sheath, with it is described on
The formed punch pressing ring of fixing seat cooperation linking, be set to it is described squeeze the formed punch pad of formed punch top peripheral, the extruding formed punch with it is upper
The roller bearing being arranged between fixing seat；
In lower die, the positioning mechanism include the bottom plate being installed on the workbench, the lower fixed seat being anchored on bottom plate, with it is described
The fixed lower module of lower fixed seat cooperation, the lower shedding mechanism includes guide sleeve on bottom plate on the outside of the lower fixed seat, described
The discharging stooling of guide sleeve inside center, the discharging mandril of discharging stooling bottom.
2. the novel die of rotary squeezing helical teeth internal gear according to claim 1, it is characterised in that: the guide post with lead
Covering before the extruding formed punch rotary squeezing starts and squeezing terminates always in fully closed conjunction state.
3. the novel die of rotary squeezing helical teeth internal gear according to claim 2, it is characterised in that: it is preferred, it is described
Guide post is provided with 4, and the guide sleeve is correspondingly provided with 4.
4. the novel die of rotary squeezing helical teeth internal gear according to claim 1, it is characterised in that: the lead sheath
It is connect by the lower stripper with four guide posts.
5. the novel die of rotary squeezing helical teeth internal gear according to claim 4, it is characterised in that: the lead sheath
Inner hole in setting with described squeeze the screw thread that matches of formed punch, the extruding formed punch is led in the screw thread always to be run down.
6. the novel die of rotary squeezing helical teeth internal gear according to claim 1, it is characterised in that: the roller bearing
It is provided with two pieces, is separately positioned on the upper and lower position of the guide post.
7. the novel die of rotary squeezing helical teeth internal gear according to claim 1, it is characterised in that: it is preferred, it is described
Upper disk supporting plate is provided with 4.
8. the novel die of rotary squeezing helical teeth internal gear according to claim 1, it is characterised in that: the lower fixed seat
It is sold directly to households by cylinder and is positioned with the bottom plate, and fastened by screw.
9. the novel die of rotary squeezing helical teeth internal gear according to claim 1, it is characterised in that: lower fixed seat center
Equipped with inner hole, the inner hole matches fixation with the outer circle of the lower module.
10. the novel die of rotary squeezing helical teeth internal gear according to claim 1, it is characterised in that: the lower module
Top is equipped with lower die pressing ring, and the upper end of the pressing ring and the lower module fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821049564.4U CN208495420U (en) | 2018-07-04 | 2018-07-04 | A kind of novel die of rotary squeezing helical teeth internal gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821049564.4U CN208495420U (en) | 2018-07-04 | 2018-07-04 | A kind of novel die of rotary squeezing helical teeth internal gear |
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| Publication Number | Publication Date |
|---|---|
| CN208495420U true CN208495420U (en) | 2019-02-15 |
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ID=65282989
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821049564.4U Active CN208495420U (en) | 2018-07-04 | 2018-07-04 | A kind of novel die of rotary squeezing helical teeth internal gear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607890A (en) * | 2018-07-04 | 2018-10-02 | 天津普天单向器有限公司 | A kind of novel die of rotary squeezing helical teeth internal gear |
-
2018
- 2018-07-04 CN CN201821049564.4U patent/CN208495420U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607890A (en) * | 2018-07-04 | 2018-10-02 | 天津普天单向器有限公司 | A kind of novel die of rotary squeezing helical teeth internal gear |
| CN108607890B (en) * | 2018-07-04 | 2024-03-26 | 天津普天单向器有限公司 | Die for rotationally extruding helical-tooth internal gear |
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