CN205496289U - Mould that three round pin shaft yoke of production used - Google Patents
Mould that three round pin shaft yoke of production used Download PDFInfo
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- CN205496289U CN205496289U CN201620352012.5U CN201620352012U CN205496289U CN 205496289 U CN205496289 U CN 205496289U CN 201620352012 U CN201620352012 U CN 201620352012U CN 205496289 U CN205496289 U CN 205496289U
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Abstract
The utility model relates to a mould that three round pin shaft yoke of production used, solved prior art in the mould that three round pin shaft yoke of production used structure unreasonable, cause three round pin shaft yoke production efficiency low not enough. The utility model provides a pair of mould that three round pin shaft yoke of production used sets up oblique angle portion on the terrace die, when the terrace die cooperated work piece with the die, oblique angle portion can avoid the work piece to produce the burr in the forming process to improve the production efficiency of work piece greatly, reduced the manufacturing cost of work piece, oblique angle portion includes first oblique portion, second portion and fillet part to one side, and the fillet part makes the up end of work piece and the lateral wall smooth transition of work piece inner chamber in the forming process to further avoid the work piece to produce the burr in the forming process, further improved the production efficiency of work piece.
Description
Technical field
This utility model relates to mould, particularly relates to a kind of mould producing three pin shaft forks.
Background technology
Mould is a kind of shaping jig, is used widely in production scene, and mould molding is not for remove material
Moulding process, therefore, this processing method have save material advantage, and, mould molding prepare
Workpiece quality is stable, production efficiency is high.
In prior art, the processing mode of three pin shaft forks is carried out finishing by mould to it after generally casting completes
Work, but, the mould structure producing three pin shaft forks in prior art is unreasonable, and three pin shaft forks are become by mould
After type, it is impossible to remove the burr on three pin shaft forks, three pin shaft forks after polish need technical staff to go by hand
Flash removed, thus greatly reduce the production efficiency of three pin shaft forks, and the work increasing technical staff is strong
Degree.
Summary of the invention
The mould of a kind of production three pin shaft forks that this utility model provides, it is intended to overcome in prior art and produce
The mould structure of three pin shaft forks is unreasonable, causes the deficiency that three pin shaft fork production efficiencys are low.
In order to solve above-mentioned technical problem, this utility model adopts the following technical scheme that a kind of production three bearing pins
The mould of fork, including die and the punch that coordinates with die, described die offers die cavity, described mould
Die is run through in chamber, is arranged with the die sleeve being fixed die outside described die, one on described die sleeve outer wall
Formula is fixed with convex shoulder, and on described punch, integral type is provided with oblique angle portion, when punch coordinates shaping workpiece with die,
The oral area of portion of portion, described oblique angle shaping workpiece, and upper end, oblique angle portion is concordant with the upper surface of workpiece, described tiltedly
The distance of distance upper end, oblique angle portion, lower end, corner is 3 centimetres to 5 centimetres；Described oblique angle portion include the first oblique portion,
Second oblique portion and fillet part, the upper end of described fillet part is concordant with the upper end in oblique angle portion, the lower end in the first oblique portion
Concordant with the lower end in oblique angle portion, the described second oblique portion is positioned at first tiltedly between portion and fillet part, described first oblique
With the side of absorption surface when portion includes shaping workpiece, the angle of described side and punch axis be 10 degree to 30
Degree, and, the distance of lower end, side distance punch axis is less than the distance of upper end, side distance punch axis,
Put down with the work surface of absorption surface, described work surface and punch axis when described second oblique portion includes shaping workpiece
OK, and, the distance of work surface distance punch axis is equal to the distance of upper end, described side distance punch axis.
In technique scheme, arranging oblique angle portion on punch, this oblique angle portion includes the first oblique portion, second oblique
Portion and fillet part, when punch coordinates die to be shaped workpiece, oblique angle portion can avoid workpiece when molding
Produce burr, so that without deburring after Workpiece shaping, substantially increase the production efficiency of workpiece.
A kind of optional scheme, described punch offers the screw of solid punch, the axis of described screw with
The dead in line of punch.Punch is connected with driver part reliable and is convenient to mount and dismount, and optimizes mold use
Energy.
A kind of optional scheme, described punch is provided with the circular arc chamfering portion guiding punch, described circle
The radius of arc chamfered section is not less than 1 centimetre.Punch can be guided by circular arc chamfering portion, it is simple to punch is inserted
Enter in workpiece, and, circular arc chamfering portion can also avoid punch to scratch workpiece, optimizes mold use
Energy.
A kind of optional scheme, on described punch, also integral type is fixed with the ring being shaped workpiece upper surface
Shape lobe.Annular projection portion is for being shaped the upper surface of workpiece, it is to avoid workpiece is in forming process
Upper surface deforms, and improves the machining accuracy of workpiece.
A kind of optional scheme, between described annular projection portion and punch, also casting is connected to reinforcement, and punch is with recessed
When mould coordinates shaping workpiece, annular projection portion is positioned between reinforcement and workpiece.Reinforcement improves ring-type convex
The intensity in the portion of rising, extends the service life of punch.
Compared with prior art, this utility model provide a kind of production three pin shaft forks mould, have as
Lower advantage: arrange oblique angle portion on punch, when punch coordinates shaping workpiece with die, oblique angle portion can avoid
Workpiece produces burr in forming process, thus substantially increases the production efficiency of workpiece, reduces workpiece
Manufacturing cost；Oblique angle portion includes the first oblique portion, the second oblique portion and fillet part, and in forming process, fillet part makes
The upper surface of workpiece and the smooth-sided transition of workpiece lumen, thus further avoid workpiece in forming process
Middle generation burr, further increases the production efficiency of workpiece.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of a kind of mould producing three pin shaft forks of this utility model；
Accompanying drawing 2 is enlarged drawing at A in accompanying drawing 1；
Master when accompanying drawing 3 is to have annular projection portion in a kind of mould producing three pin shaft forks of this utility model
View.
Detailed description of the invention
Below in conjunction with the accompanying drawings, a kind of mould producing three pin shaft forks of the present utility model is described further.
As shown in Figure 1 and Figure 2, a kind of mould producing three pin shaft forks, including die 1 and coordinate with die 1
Punch 2, described die 1 offers die cavity 3, and described die cavity 3 runs through die 1, described die 1 overcoat
Being provided with the die sleeve 4 being fixed die 1, on described die sleeve 4 outer wall, integral type is fixed with convex shoulder 5, die
1 is fixed on platform by die sleeve 4, and workpiece 20 inserts in the die cavity 3 of die 1, and punch 2 passes through screw thread
It is fixed in the drive mechanism of forcing press, described punch 2 offers the screw 13 of solid punch 2, described
The dead in line of the axis of screw 13 and punch 2, when shaping workpiece 20, forcing press drive punch 2 to
Lower motion, workpiece 20 released die 1 and i.e. completes the molding of workpiece 20 by punch 2, and workpiece 20 is carrying out mould
Pretreatment should be carried out: workpiece 20 is carried out forge hot and after ball blast, the surface of workpiece 20 is moistened before tool molding
Sliding process, then recycling punch 2, that workpiece 20 is carried out by die 1 is cold extrusion shaped (the most right
Workpiece 20 is shaped)；
Seeing Fig. 1, Fig. 2, on described punch 2, integral type is provided with oblique angle portion 6, and punch 2 coordinates with die 1
During shaping workpiece 20, the oral area of 6 shaping workpieces 20 in described oblique angle portion, and upper end, oblique angle portion 6 and work
The upper surface 7 of part 20 is concordant, in order to the technical solution of the utility model is explicitly described, and the side in presents
Position word such as upper end, lower end etc. is all to be described on the basis of the orientation of accompanying drawing 1,6 times, described oblique angle portion
The distance of end distance upper end, oblique angle portion 6 is 3 centimetres to 5 centimetres, and this distance is the total length b in oblique angle portion 6；
Seeing Fig. 1, Fig. 2, described oblique angle portion 6 includes the first oblique portion 9 of oblique portion 8, second and fillet part 10,
The length of the first oblique portion 9 of oblique portion 8, second and fillet part 10 each several part does not limits, and in the specific implementation may be used
With unrestricted choice, the first oblique portion 9 of oblique portion 8, second and the length in the oblique portion 8 of fillet part 10 prioritizing selection first
C length d the longest, the second oblique portion 9 is taken second place, and the length of fillet part 10 is the shortest；
Seeing Fig. 1, Fig. 2, the upper end of described fillet part 10 is concordant with the upper end in oblique angle portion 6, the first oblique portion 8
Lower end concordant with the lower end in oblique angle portion 6, the described second oblique portion 9 be positioned at the first oblique portion 8 and fillet part 10 it
Between, the side 11 that the described first oblique portion 8 contacts with workpiece 20 when including shaping workpiece 20, described side 11
Being 10 degree to 30 degree with the angle e of punch 2 axis, when being embodied as, this angle can be at 10 degree to 30
The interval interior unrestricted choice of degree, and, the distance of lower end, side 11 distance punch 2 axis is less than side 11
The distance of upper end distance punch 2 axis, the described second oblique portion 9 connects with workpiece 20 when including shaping workpiece 20
The work surface 12 touched, described work surface 12 is parallel with punch 2 axis, and, work surface 12 is apart from punch
The distance of 2 axis is equal to the distance of upper end, described side 11 distance punch 2 axis, side 11, workpiece 20
Face each means, to the distance of punch 2 axis, the length recorded on the same bus in oblique angle portion 6, this bus
Refer to, utilize the cutting plane being parallel to punch 2 axis that punch 2 carries out cutting, cutting plane and oblique angle portion 6
The lines that contact is formed are the bus in oblique angle portion 6；Three pin shaft forks are special-shaped workpiece 20, therefore, side 11,
Workpiece 20 should record to the distance of punch 2 axis on same bus；
Seeing Fig. 1, Fig. 2, when workpiece 20 is shaped by punch 2, die 1, punch 2 should insert workpiece
In 20, to this end, described punch 2 is provided with the circular arc chamfering portion 14 guiding punch 2, described circular arc
The radius of chamfered section 14 is not less than 1 centimetre, when circular arc chamfering portion 14 can avoid punch 2 to insert workpiece 20
Scratch workpiece 20, optimize mold use performance.
When technique scheme is to workpiece 20 molding, oblique angle portion 6 can avoid workpiece 20 to produce when molding
Burr, substantially increases the production efficiency of workpiece 20, reduces the manufacturing cost of workpiece 20.
Seeing Fig. 3, the technique that workpiece 20 is shaped by mould is to use the method not removing material to prepare work
Part 20, when punch 2, die 1 are to workpiece 20 molding, the upper surface 7 of workpiece 20 is in free state,
Now, the upper surface 7 of workpiece 20 may be deformed due to extruding, to this end, on described punch 2 also
Integral type is fixed with the annular projection portion 15 being shaped workpiece 20 upper surface 7, described annular projection portion
Between 15 and punch 2, also casting is connected to reinforcement 16, when punch 2 coordinates shaping workpiece 20 with die 1, and ring
Shape lobe 15 is between reinforcement 16 and workpiece 20.Annular projection portion 15 is for protecting workpiece 20
Upper surface 7, it is to avoid workpiece 20 upper surface 7 in forming process deforms, and optimizes mold use performance.
These are only preferred implementation of the present utility model, it is intended to embody prominent technology of the present utility model effect
Fruit and advantage, be not the restriction to the technical solution of the utility model.Those skilled in the art it is understood that
, all amendments made based on this utility model technology contents, change or substitute technology feature,
All should be covered by the technology category that this utility model claims are advocated.
Claims (5)
1. produce a mould for three pin shaft forks, including die (1) and the punch (2) that coordinates with die (1),
It is characterized in that: offer die cavity (3) on described die (1), described die cavity (3) runs through die
(1), the die sleeve (4) that die (1) is fixed, described mould it are arranged with outside described die (1)
On set (4) outer wall, integral type is fixed with convex shoulder (5), and the upper integral type of described punch (2) is provided with oblique angle
Portion (6), when punch (2) coordinates shaping workpiece with die (1), described oblique angle portion (6) portion becomes
The oral area of type workpiece, and oblique angle portion (6) upper end is concordant with the upper surface of workpiece (7), described tiltedly
The distance of distance oblique angle portion (6) upper end, corner (6) lower end is 3 centimetres to 5 centimetres；Described oblique angle
Portion (6) includes the first oblique portion (8), the second oblique portion (9) and fillet part (10), described fillet part
(10) upper end is concordant with the upper end of oblique angle portion (6), the lower end of the first oblique portion (8) and oblique angle portion
(6) lower end is concordant, and the described second oblique portion (9) is positioned at the first oblique portion (8) and fillet part (10)
Between, with the side (11) of absorption surface when the described first oblique portion (8) includes shaping workpiece, described
Side (11) is 10 degree to 30 degree with the angle of punch (2) axis, and, side (11)
The distance of lower end distance punch (2) axis is less than side (11) upper end distance punch (2) axis
Distance, with the work surface (12) of absorption surface when the described second oblique portion (9) includes shaping workpiece, institute
State work surface (12) parallel with punch (2) axis, and, work surface (12) distance punch (2)
The distance of axis is equal to the distance of described side (11) upper end distance punch (2) axis.
A kind of mould producing three pin shaft forks the most according to claim 1, it is characterised in that: described convex
Offer the screw (13) of solid punch (2) on mould (2), the axis of described screw (13) with
The dead in line of punch (2).
A kind of mould producing three pin shaft forks the most according to claim 1, it is characterised in that: described convex
Mould (2) is provided with the circular arc chamfering portion (14) guiding punch (2), described circular arc chamfering
The radius in portion (14) is not less than 1 centimetre.
4. according to the mould of a kind of production three pin shaft forks described in claims 1 to 3 any one, its feature
It is: the upper also integral type of described punch (2) is fixed with the ring being shaped workpiece upper surface (7)
Shape lobe (15).
A kind of mould producing three pin shaft forks the most according to claim 4, it is characterised in that: described ring
Between shape lobe (15) and punch (2), also casting is connected to reinforcement (16), and punch (2) is with recessed
When mould (1) coordinates shaping workpiece, annular projection portion (15) be positioned at reinforcement (16) and workpiece it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620352012.5U CN205496289U (en) | 2016-04-22 | 2016-04-22 | Mould that three round pin shaft yoke of production used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620352012.5U CN205496289U (en) | 2016-04-22 | 2016-04-22 | Mould that three round pin shaft yoke of production used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205496289U true CN205496289U (en) | 2016-08-24 |
Family
ID=56705924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620352012.5U Active CN205496289U (en) | 2016-04-22 | 2016-04-22 | Mould that three round pin shaft yoke of production used |
Country Status (1)
| Country | Link |
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| CN (1) | CN205496289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728488A (en) * | 2016-04-22 | 2016-07-06 | 浙江德福精密驱动制造有限公司 | Mold for producing three-pin shaft fork |
-
2016
- 2016-04-22 CN CN201620352012.5U patent/CN205496289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728488A (en) * | 2016-04-22 | 2016-07-06 | 浙江德福精密驱动制造有限公司 | Mold for producing three-pin shaft fork |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |