CN209288110U - A kind of spline processing mold - Google Patents
A kind of spline processing mold Download PDFInfo
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- CN209288110U CN209288110U CN201920036257.0U CN201920036257U CN209288110U CN 209288110 U CN209288110 U CN 209288110U CN 201920036257 U CN201920036257 U CN 201920036257U CN 209288110 U CN209288110 U CN 209288110U
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- lower die
- cylinder
- cope plate
- spline processing
- fixing sleeve
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Abstract
The utility model relates to a kind of spline processing molds, it includes mould bases, the mould bases includes cope plate, the guide part of lower template and setting between the upper template and the lower template, the cope plate is fixedly connected with upper mold cylinder in the middle part of the side of guide part, the lower template is fixedly connected with lower die cylinder in the middle part of the side of guide part, lower die fixing sleeve is coaxially provided in the lower die cylinder, lower die is coaxially provided in the lower die fixing sleeve, excircle below the lower die fixing sleeve is equipped with notch, is fixedly connected with the jagged step abutted against on the lower die cylinder inner wall.The utility model has the machining accuracy for improving spline, improves the effect of working efficiency.
Description
Technical field
The utility model relates to technical field of mold, more particularly, to a kind of spline processing mold.
Background technique
Splined shaft is divided to rectangle splined spindle and the big type of involute splined shaft two, and the rectangle splined spindle application in splined shaft is wide
It is general, and involute splined shaft is larger for load, centering precision requires high and larger-size link.Rectangle splined spindle is logical
It is commonly applied to the devices such as aircraft, automobile, tractor, machine-tool industry, agricultural machinery and common mechanical transmission.
Currently, the spline processing method of splined shaft generally uses metal cutting gear hobbing lathe, the spline that this method is processed
Straightness is poor and belongs to chip breaking processing, and intensity is low, and process velocity is slow, and production efficiency is lower.
Utility model content
Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide a kind of spline processing mold.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of spline processing mold, including mould bases, the mould bases include cope plate, lower template and setting in cope plate under
Guide part between template, the cope plate are fixedly connected with upper mold cylinder, the lower template in the middle part of the side of guide part
Side close to guide part is fixedly connected with the lower die cylinder that axis is overlapped with upper mold cylinder axis, is coaxially provided with down in the lower die cylinder
Mould fixing sleeve is coaxially provided with lower die in the lower die fixing sleeve, and the excircle below the lower die fixing sleeve is equipped with notch, institute
It states and is fixedly connected with the jagged step abutted against on lower die cylinder inner wall.
By using above-mentioned technical proposal, mould bases is fixed on frame-type servo hydraulic machine by when spline machining, then
Upper die and lower die are fixed on mould bases respectively, then blank is placed in lower die, hair is squeezed by low punch and upper punch
Base, to obtain molding splined shaft.Upper mold fixing sleeve makes upper mold be not easy to shake in upper mold cylinder, under lower die fixing sleeve makes
Mould is not easy to shake in lower die cylinder, so that improving the machining accuracy of splined shaft.When spline machining, boss offsets with notch
It connects, so that lower die fixing sleeve is clamped in boss, the stability of lower die fixing sleeve lower end is further increased, so that lower die
Central axis and the Center of Pressure axis of hydraulic press coincide, improve the machining accuracy of splined shaft.
The utility model is further arranged to: the side that the step is in contact with notch is fixedly connected with rubber sheet gasket.
By using above-mentioned technical proposal, rubber sheet gasket can be protected boss and notch, so that lower die fixing sleeve
It is not easy to wear under the action of hydraulic press pressure with lower die cylinder, extends the service life of lower die fixing sleeve and lower die cylinder.
The utility model is further arranged to: the middle part of the lower template is equipped with the ejection hole for being through to lower die, the top
Interior sliding of portalling is connected with mandril.
By using above-mentioned technical proposal, after spline machining molding, mandril is moved in ejection hole, thus by spline
Axis is ejected from ejection hole, and then is facilitated and taken out splined shaft from lower die, to improve the processing efficiency of splined shaft.
The utility model is further arranged to: the lower die offers width far from one end of upper mold and is greater than ejection bore dia
Square groove.
By using above-mentioned technical proposal, blank is under pressure during punching press and is deformed, increase blank with
The frictional force of lower die, splined shaft need to be taken out splined shaft with biggish power when taking out.Square groove is provided with to the change of blank
Shape provides space so that blank be not easy it is stuck in lower die so that splined shaft take out when it is more laborsaving, it is more convenient.
The utility model is further arranged to: the lower die cylinder is equipped with exntension tubs, and exntension tubs close to one end of lower template
In lower template.
By using above-mentioned technical proposal, fastening bolt is easy to loosen after lower die cylinder is used for a long time, and then in processing spline
It is easy to shake during axis, to influence the processing of splined shaft.Contact of the lower die cylinder with lower template is increased equipped with exntension tubs
Area, so that the shaking of lower die cylinder is reduced by the frictional force of exntension tubs and lower template after fastening bolt loosens, to reduce
Influence to splined shaft also fastens or replaces fastening bolt to operator and provides the time.
The utility model is further arranged to: lower fill block is equipped in the exntension tubs.
By using above-mentioned technical proposal, lower fill block plays the role of adjustment, and then facilitates adjustment lower die fixing sleeve under
The central axis of mould cylinder is completely coincident, to improve the precision of spline machining.
The utility model is further arranged to: the upper fill block coaxial with upper mold cylinder is equipped in the cope plate.
By using above-mentioned technical proposal, upper fill block plays the role of adjustment, so facilitate adjustment upper mold fixing sleeve with it is upper
The central axis of mould cylinder is completely coincident, to improve the precision of spline machining.
The utility model is further arranged to: the guide part includes the guide sleeve being fixed on cope plate and is fixed on lower die
On plate, and the guide post of guide sleeve sliding connection, the guide post are located on four angles of cope plate.
By using above-mentioned technical proposal, guide sleeve and guide post play the role of guiding, so that the process that cope plate is mobile
In it is more stable so that upper punch is overlapped with the central axis of low punch in the process of moving, to improve splined shaft
Process velocity, improve the precision of splined shaft.
The beneficial effects of the utility model are:
1, upper mold fixing sleeve, lower die fixing sleeve, notch and step are used, so that upper die and lower die are not easy to shake,
Improve the machining accuracy of splined shaft；
2, square groove is used, so that blank is not easy stuck in lower die, more convenient molding splined shaft is taken out, and improves
The processing efficiency of splined shaft；
3, exntension tubs are used and improves the production efficiency of splined shaft so that lower die cylinder is not easy to shake.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the enlarged drawing in the portion A in Fig. 1.
In figure, 1, mould bases；11, cope plate；12, lower template；121, hole is ejected；122, mandril；2, guide part；21, guide sleeve；
22, guide post；3, upper mold cylinder；32, upper fill block；4, lower die cylinder；41, lower die fixing sleeve；42, lower die；421, notch；422, square groove；
43, step；431, rubber sheet gasket；44, exntension tubs；441, lower fill block.
Specific embodiment
The utility model is further described presently in connection with attached drawing.These attached drawings are simplified schematic diagram only to show
Meaning mode illustrates the basic structure of the utility model, therefore it only shows composition related with the utility model.
Such as Fig. 1, a kind of spline processing mold, including mould bases 1, mould bases 1 include cope plate 11, lower template 12 and setting upper mold
Guide part 2 between plate 11 and lower template 12, and guide part 2 is located at four corners of cope plate 11.Cope plate 11 is close to lower die
Upper mold cylinder 3 is fixedly connected in the middle part of the side of plate 12.Lower template 12 is fixedly connected with close to the side of cope plate 11 and upper mold
The lower die cylinder 4 of 3 coaxial lines of cylinder.
Such as Fig. 1, each guide part 2 includes the guide sleeve 21 being fixed on cope plate 11 and is fixed on leading in lower template 12
Column 22, guide post 22 and the sliding of guide sleeve 21 connect.
Such as Fig. 2, it is coaxially provided with lower die fixing sleeve 41 in lower die cylinder 4, lower die 42 is coaxially provided in lower die fixing sleeve 41.Lower die
The excircle of 41 lower end of fixing sleeve is equipped with notch 421, is fixedly connected with the platform abutted against with notch 421 on 4 inner wall of lower die cylinder
Rank 43, the side of step 43 towards notch 421 are fixedly connected with rubber sheet gasket 431.Lower die fixing sleeve 41 is not easy lower die 42
It is shaken in lower die cylinder 4, step 43 is abutted against with notch 421, so that lower die fixing sleeve 41 is clamped in step 43, further
The stability of 41 lower end of lower die fixing sleeve is improved, so that the Center of Pressure axis of 42 central axis of lower die and hydraulic press coincides,
And then improve the machining accuracy of splined shaft.
Such as Fig. 1, lower die cylinder 4 is equipped with exntension tubs 44 close to one end of lower template 12, and exntension tubs 44 are located in lower template 12,
The shape of exntension tubs 44 is back taper.The setting of exntension tubs 44 increases the contact area of lower die cylinder 4 Yu lower template 12, increases
The frictional force of lower die cylinder 4 and lower template 12, so that lower die cylinder 4 is more not easy to shake, to improve the processing essence of splined shaft
Degree, improves the quality of splined shaft.
Such as Fig. 1, exntension tubs 44 are interior to be equipped with lower fill block 441, is equipped with the upper fill block 32 coaxial with upper mold cylinder 3 in cope plate 11.
Upper fill block 32 and lower fill block 441 all have the effect of adjustment, and then the machining accuracy of splined shaft can be improved.
Such as Fig. 1, the middle part of lower template 12 is equipped with the ejection hole 121 for being through to lower die 42, and sliding is connected in ejection hole 121
Mandril 122.The lower end for ejecting hole 121 is equipped with the square groove 422 that width is greater than ejection 121 diameter of hole.Square groove 422 is provided with to blank
Deformation provide space so that blank be not easy it is stuck in lower die 42 so that splined shaft take out when it is more laborsaving, more
It is convenient.
Specific implementation process: mould bases 1 is fixed on frame-type servo hydraulic machine, and when spline machining, blank is placed
In lower die 42, lower template 12 is driven to move down stamping strip by frame-type servo hydraulic machine, so that blank is in lower die 42
It is interior to be plastically deformed, to obtain splined shaft；After hydraulic press backhaul, splined shaft is pushed up from ejection hole 121 by mandril 122
Out, splined shaft is taken out to facilitate.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (8)
1. a kind of spline processing mold, including mould bases (1), the mould bases (1) includes cope plate (11), lower template (12) and setting
Guide part (2) between cope plate (11) and lower template (12), the cope plate (11) is in the side of guide part (2)
Portion is fixedly connected with upper mold cylinder (3), and the lower template (12) is fixedly connected with axis and upper mold cylinder close to the side of guide part (2)
(3) the lower die cylinder (4) that axis is overlapped, it is characterised in that: it is coaxially provided with lower die fixing sleeve (41) in the lower die cylinder (4), it is described
It is coaxially provided with lower die (42) in lower die fixing sleeve (41), the excircle below the lower die fixing sleeve (41) is equipped with notch
(421), the step (43) that jagged (421) abut against is fixedly connected on lower die cylinder (4) inner wall.
2. a kind of spline processing mold according to claim 1, it is characterised in that: the step (43) and notch (421)
The side being in contact is fixedly connected with rubber sheet gasket (431).
3. a kind of spline processing mold according to claim 2, it is characterised in that: the middle part of the lower template (12) is equipped with
It is through to the ejection hole (121) of lower die (42), sliding is connected with mandril (122) in the ejection hole (121).
4. a kind of spline processing mold according to claim 3, it is characterised in that: the one of the separate upper mold of the lower die (42)
End offers the square groove (422) that width is greater than ejection hole (121) diameter.
5. a kind of spline processing mold according to claim 2, it is characterised in that: the lower die cylinder (4) is close to lower template
(12) one end is equipped with exntension tubs (44), and exntension tubs (44) are located in lower template (12).
6. a kind of spline processing mold according to claim 5, it is characterised in that: be equipped with down and fill out in the exntension tubs (44)
Block (441).
7. a kind of spline processing mold according to claim 6, it is characterised in that: be equipped in the cope plate (11) with it is upper
The coaxial upper fill block (32) of mould cylinder (3).
8. a kind of spline processing mold according to claim 1, it is characterised in that: the guide part (2) includes being fixed on
It guide sleeve (21) on cope plate (11) and is fixed on lower template (12), and the guide post (22) of guide sleeve (21) sliding connection, it is described
Guide post (22) is located on four angles of cope plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920036257.0U CN209288110U (en) | 2019-01-09 | 2019-01-09 | A kind of spline processing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920036257.0U CN209288110U (en) | 2019-01-09 | 2019-01-09 | A kind of spline processing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209288110U true CN209288110U (en) | 2019-08-23 |
Family
ID=67641932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920036257.0U Active CN209288110U (en) | 2019-01-09 | 2019-01-09 | A kind of spline processing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209288110U (en) |
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2019
- 2019-01-09 CN CN201920036257.0U patent/CN209288110U/en active Active
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