CN207103582U - A kind of cold extrusion shaped combined die of oil pump cover plate - Google Patents
A kind of cold extrusion shaped combined die of oil pump cover plate Download PDFInfo
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- CN207103582U CN207103582U CN201720778707.4U CN201720778707U CN207103582U CN 207103582 U CN207103582 U CN 207103582U CN 201720778707 U CN201720778707 U CN 201720778707U CN 207103582 U CN207103582 U CN 207103582U
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- cover plate
- oil pump
- pump cover
- special
- insert
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Abstract
The utility model discloses a kind of cold extrusion shaped combined die of oil pump cover plate, including：Hollow outer core rod；Special-shaped inner mould core, special-shaped inner mould core is sheathed on the inner side of outer core rod, and including special-shaped inner mould core body and is embedded at the intrinsic multiple inserts of special-shaped inner mould core；The die cavity for being molded oil pump cover plate is formed between special-shaped inner mould core body and multiple inserts and the madial wall of outer core rod；Prestressing force centre circle and prestressing force outer ring, prestressing force centre circle and prestressing force outer ring are sheathed on the outer circumferential side of outer core rod successively.The cold extrusion shaped combined die can realize the one-shot forming of oil pump cover plate, and mold use lasts a long time.
Description
Technical field
It the utility model is related to the manufacturing technology field of oil pump cover plate, more particularly to a kind of oil pump cover plate is cold extrusion shaped
Combined die.
Background technology
Oil pump cover plate is a kind of common engine fittings, sufficient fuel is provided when predominantly engine works, to hard
Degree, intensity have very high requirement.And the profile of oil pump cover plate and inner chamber are all different form, its moulding process is more complicated.By
It is shorter in traditional monolithic mold life-span, (repeatedly it is molded after blocking distribution material) typically by the way of multiple base,
Although having delayed the initial failure of mould, the intermediate treatment expense of costliness is generated：Repeatedly at the intermediate softening after shaping
Reason and lubricated；And complex procedures, production cycle length, process monitoring increase, and occupy substantial amounts of manpower and materials, manage
It is extremely inconvenient.
Utility model content
The purpose of this utility model is to propose a kind of cold extrusion shaped combined die of oil pump cover plate, can realize oil pump
The one-shot forming of cover plate, and mold use lasts a long time.
To use following technical scheme up to this purpose, the utility model：
A kind of cold extrusion shaped combined die of oil pump cover plate, including：
Hollow outer core rod；
Special-shaped inner mould core, the special-shaped inner mould core are sheathed on the inner side of the outer core rod, and including special-shaped inner mould core body
And it is embedded at the intrinsic multiple inserts of the special-shaped inner mould core；The special-shaped inner mould core body and multiple inserts with it is described
The die cavity for being molded oil pump cover plate is formed between the madial wall of outer core rod；
Prestressing force centre circle and prestressing force outer ring, the prestressing force centre circle and the prestressing force outer ring are sheathed on described outer successively
The outer circumferential side of core rod.
As further improvement of the utility model, the lower surface of the oil pump cover plate at least has the first groove and second
Groove；The first insert, the second insert and the 3rd insert are embedded with the special-shaped inner mould core body；Second insert with it is described
First insert abuts, and coordinates with first insert and be molded first groove jointly；3rd insert is used to be molded institute
State the second groove.
As further improvement of the utility model, first insert, second insert and the 3rd insert are equal
It is interference fitted with the special-shaped inner mould core body.
As further improvement of the utility model, the special-shaped inner mould core body is interference fitted with the outer core rod.
As further improvement of the utility model, the bottom surface of the special-shaped inner mould core body is offered for being carried out to it
The positioning hole of positioning.
As further improvement of the utility model, the outer core rod is interference fitted with the prestressing force centre circle.
As further improvement of the utility model, the prestressing force centre circle is interference fitted with the prestressing force outer ring.
As further improvement of the utility model, the top surface of the prestressing force outer ring and bottom surface offer lifting eye.
As further improvement of the utility model, the inner top surface of the outer core rod offers enters institute for guiding blank
State the material guide port of die cavity.
As further improvement of the utility model, the side of the material guide port tilts down setting towards its center；Institute
The angular range for stating side and horizontal direction is 0 °~60 °.
The beneficial effects of the utility model are：
1st, the utility model proposes a kind of oil pump cover plate cold extrusion shaped combined die, special-shaped inner mould core is sheathed on outer
The inner side of core rod, and form die cavity with the madial wall of outer core rod；The prestressing force centre circle being arranged successively by the outer circumferential side of outer core rod
And the intensity of the cold extrusion shaped combined die is improved in prestressing force outer ring, extend die life；
2nd, the utility model proposes a kind of oil pump cover plate cold extrusion shaped combined die, special-shaped inner mould core include abnormity
Inner mould core body and the intrinsic multiple inserts of special-shaped inner mould core are embedded at, by the way that special-shaped inner mould core is divided into some,
Reach the effect for increasing substantially die life and one-shot forming oil pump cover plate.
Brief description of the drawings
Fig. 1 is the structural representation of oil pump cover plate；
Fig. 2 is a kind of structural representation of the cold extrusion shaped combined die of oil pump cover plate provided by the utility model；
Fig. 3 is the structural representation of the special-shaped inner mould core in Fig. 2.
In figure：The inserts of 1- first；The inserts of 2- second；3- abnormity inner mould core bodies；31- positioning holes；The inserts of 4- the 3rd；Outside 5-
Core rod；51- material guide ports；6- prestressing force centre circles；7- prestressing force outer ring；71- lifting eyes；8- oil pump cover plates；The grooves of 81- first；82-
Second groove；9- die cavities.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
The structure chart of oil pump cover plate is as shown in Figure 1.As shown in Fig. 2 to 3, a kind of cold extrusion shaped combination of oil pump cover plate is recessed
Mould, including：
Hollow outer core rod 5；
Special-shaped inner mould core, special-shaped inner mould core is sheathed on the inner side of outer core rod 5, and including special-shaped inner mould core body 3 and is embedded
Multiple inserts in special-shaped inner mould core body 3；Between special-shaped inner mould core body 3 and the madial wall of multiple inserts and outer core rod 5
Form the die cavity 9 for being molded oil pump cover plate 8；
Prestressing force centre circle 6 and prestressing force outer ring 7, prestressing force centre circle 6 and prestressing force outer ring 7 are sheathed on outer core rod 5 successively
Outer circumferential side.
The utility model proposes a kind of oil pump cover plate cold extrusion shaped combined die, the one of oil pump cover plate can be realized
Secondary shaping, and mold use lasts a long time.
As a preferred embodiment of the present utility model, the lower surface of oil pump cover plate 8 at least have the first groove 81 and
Second groove 82；Wherein, the first groove 81 is special-shaped slot, and its medial surface has inclined curved-surface structure；Special-shaped inner mould core body 3
Inside it is embedded with the first insert 1, the second insert 2 and the 3rd insert 4；Second insert 2 abuts with the first insert 1, and with the first insert 1
Coordinate the first groove 81 of common shaping；3rd insert 4 is used to be molded the second groove 82.
In above-mentioned cold extrusion shaped combined die, the first insert 1, the second insert 2 and the 3rd insert 4 with special-shaped inner mould core
Body 3 assembles by the way of heat inlays interference, and binding face is preferable, effectively prevent traditional dies material is bored caused by when dividing mould and ask
Topic.And special-shaped inner mould core is by using axially dividing the mode of mould, it is suppressed that blank is avoided in radial load caused by shaping
The early fracture failure of mould.
In above-mentioned cold extrusion shaped combined die, using the side of cold pressing interference between special-shaped inner mould core body 3 and outer core rod 5
Formula is assembled, and further increases the bulk strength of mould, while be also convenient for changing special-shaped inner mould core.
In above-mentioned cold extrusion shaped combined die, the bottom surface of special-shaped inner mould core body 3 is offered for being positioned to it
Positioning hole 31, positioned when installing and change special-shaped inner mould core by the positioning hole 31, accurate positioning, installation and change ratio
It is more convenient.
In above-mentioned cold extrusion shaped combined die, between prestressing force centre circle 6 and outer core rod 5 and prestressing force outer ring 7 with it is pre-
Assembled between stress centre circle 6 by the way of interference is cold-pressed.Further, the top surface of prestressing force outer ring 7 and bottom surface open up
There is lifting eye 71, in order to movement and the cold extrusion shaped assembling die is installed.
In above-mentioned cold extrusion shaped combined die, special-shaped inner mould core body 3, the first insert 1, the second insert 2, the 3rd insert
4 and outer core rod 5 be made of special material QCM8, and prestressing force centre circle 6 and prestressing force outer ring 7 use common material H13 materials
Material is made, so as to reduce the manufacturing cost of mould.In use for some time, if special-shaped inner mould core or outer core rod 5 produce
Abrasion is cracked, it is only necessary to problematic special-shaped inner mould core or outer core rod 5 are pulled down, repaired or changed it is new i.e.
Can, prestressing force centre circle 6 and prestressing force outer ring 7 can be still continuing with, so as to reduce the maintenance cost of mould.
In above-mentioned cold extrusion shaped combined die, the inner top surface of outer core rod 5 is offered for guiding blank into die cavity 9
Material guide port 51.During shaping, blank enters in die cavity 9 through material guide port 51.Further, the side of material guide port 51 towards its center to
Under be obliquely installed, in order to blank slide enter die cavity 9 in；Preferably, the angular range of side and horizontal direction be 0 °~
60°。
When assembling the cold extrusion shaped combined die, prestressing force centre circle 6 and prestressing force outer ring 7 are first cold-pressed elastic conjunction,
Outer core rod 5 and prestressing force centre circle 6 are cold-pressed elastic conjunction again, then distinguished the first insert 1, the second insert 2 and the 3rd insert 4
With the special-shaped heat of inner mould core body 3 edge elastic conjunction into special-shaped inner mould core, special-shaped inner mould core and outer core rod 5 are finally cold-pressed interference dress
Match somebody with somebody, so as to complete the assembling of the cold extrusion shaped combined die.The cold extrusion shaped combined die is fixed under stamping machine
On die holder, match somebody with somebody synthesis type oil pump cover plate 8 with the drift on the upper bolster of stamping machine.
When being molded oil pump cover plate 8, blank carries out die cavity 9 through material guide port 51, and drift is moved downwardly into die cavity 9, to base
Material progress is cold extrusion shaped, and final molding is oil pump cover plate 8.The cold extrusion shaped combined die realizes the one of oil pump cover plate 8
Secondary shaping, the product quality of shaping is stable, with short production cycle, efficiency high, it is easy to accomplish automation and large-scale production, and should
The intensity of cold extrusion shaped combined die is high, extends the mold use life-span, reduces production cost.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (10)
- A kind of 1. cold extrusion shaped combined die of oil pump cover plate, it is characterised in that including：Hollow outer core rod (5)；Special-shaped inner mould core, the special-shaped inner mould core are sheathed on the inner side of the outer core rod (5), and including special-shaped inner mould core body And multiple inserts for being embedded in the special-shaped inner mould core body (3) (3)；The special-shaped inner mould core body (3) and multiple described The die cavity (9) for being molded oil pump cover plate (8) is formed between the madial wall of insert and the outer core rod (5)；Prestressing force centre circle (6) and prestressing force outer ring (7), the prestressing force centre circle (6) and the prestressing force outer ring (7) are arranged successively Outer circumferential side in the outer core rod (5).
- A kind of 2. cold extrusion shaped combined die of oil pump cover plate according to claim 1, it is characterised in that the oil pump The lower surface of cover plate (8) at least has the first groove (81) and the second groove (82)；It is embedded in the special-shaped inner mould core body (3) There are the first insert (1), the second insert (2) and the 3rd insert (4)；Second insert (2) is adjacent with first insert (1), And coordinate with first insert (1) and be molded first groove (81) jointly；3rd insert (4) is used to be molded described the Two grooves (82).
- 3. the cold extrusion shaped combined die of a kind of oil pump cover plate according to claim 2, it is characterised in that described first Insert (1), second insert (2) and the 3rd insert (4) are interference fitted with the special-shaped inner mould core body (3).
- A kind of 4. cold extrusion shaped combined die of oil pump cover plate according to claim 3, it is characterised in that the abnormity Inner mould core body (3) is interference fitted with the outer core rod (5).
- A kind of 5. cold extrusion shaped combined die of oil pump cover plate according to claim 4, it is characterised in that the abnormity The bottom surface of inner mould core body (3) offers the positioning hole (31) for being positioned to it.
- A kind of 6. cold extrusion shaped combined die of oil pump cover plate according to claim 1, it is characterised in that the external mold Core (5) is interference fitted with the prestressing force centre circle (6).
- A kind of 7. cold extrusion shaped combined die of oil pump cover plate according to claim 1, it is characterised in that it is described it is pre- should Power centre circle (6) is interference fitted with the prestressing force outer ring (7).
- A kind of 8. cold extrusion shaped combined die of oil pump cover plate according to claim 7, it is characterised in that it is described it is pre- should The top surface of power outer ring (7) and bottom surface offer lifting eye (71).
- A kind of 9. cold extrusion shaped combined die of oil pump cover plate according to claim 1, it is characterised in that the external mold The inner top surface of core (5) offers the material guide port (51) for entering the die cavity (9) for guiding blank.
- 10. the cold extrusion shaped combined die of a kind of oil pump cover plate according to claim 9, it is characterised in that described to lead The side of material mouth (51) tilts down setting towards its center；The angular range of the side and horizontal direction is 0 °~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778707.4U CN207103582U (en) | 2017-06-29 | 2017-06-29 | A kind of cold extrusion shaped combined die of oil pump cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778707.4U CN207103582U (en) | 2017-06-29 | 2017-06-29 | A kind of cold extrusion shaped combined die of oil pump cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207103582U true CN207103582U (en) | 2018-03-16 |
Family
ID=61586302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720778707.4U Active CN207103582U (en) | 2017-06-29 | 2017-06-29 | A kind of cold extrusion shaped combined die of oil pump cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207103582U (en) |
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2017
- 2017-06-29 CN CN201720778707.4U patent/CN207103582U/en active Active
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