CN205289616U - Transmission shaft disc bead fork mould - Google Patents
Transmission shaft disc bead fork mould Download PDFInfo
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- CN205289616U CN205289616U CN201521059885.9U CN201521059885U CN205289616U CN 205289616 U CN205289616 U CN 205289616U CN 201521059885 U CN201521059885 U CN 201521059885U CN 205289616 U CN205289616 U CN 205289616U
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Abstract
Transmission shaft disc bead fork mould, which comprises a mounting bas, be equipped with dummying die body and finish forging die body on the mount pad, dummying die body and finish forging die body all include die and lower die, go up the die and be equipped with mould cavity down between the die, mould cavity is including fork ear chamber and disc chamber, the central constant head tank that lies in fork ear chamber middle part is offered to the lower die upper surface of dummying die body, be equipped with the dummying constant head tank that lies in the disc chamber middle part outside on the lower die of dummying die body, be equipped with the finish forging constant head tank that lies in the disc chamber middle part outside on the lower die of finish forging die body. The utility model relates to a rationally, simple structure, ensure that blank material pinpoints in mould cavity for material utilization rate height, low in production cost, production efficiency height, reduction in the number of rejects, increase die life.
Description
Technical field
This utility model belongs to auto industry technical field, particularly relates to a kind of power transmission shaft disk flange york mould.
Background technology
The power transmission shaft disk flange york mould conventionally designed is as depicted in figs. 1 and 2, including mounting seat 1, mounting seat is provided with blocking die body and finish-forging die body, blocking die body and finish-forging die body all include upper cavity die 2 and lower cavity die 3, it is provided with mold cavity between upper cavity die 2 and lower cavity die 3, mold cavity includes fork ear chamber 4 and circular disk cavity 5, this power transmission shaft disk flange york mould is not provided with location structure, when being placed on molding in mold cavity after blank base, easily left and right rolls, front and back position also cannot position, and blank easily tilts in mold cavity. The uncertain meeting in blank position in mold cavity causes problems with:
1. rolling about blank and the uncertain meeting of front and back position causes blank skewness following situations occur: 1. burr are excessive, while being not fully filled, producing waste product; 2. all there are burr on both sides but skewness, and stock utilization is low, and the cutting edge each several part degree of wear of trim die is uneven so that mould is scrapped seriously and in advance because of concentrated wear, reduces die life, adds product cost; 3. equipment is caused and injure in various degree, increase the working strength of service worker, reduce production efficiency.
2. when blank tilts molding in mold cavity, forging is susceptible to folding and forges the defects such as discontented, have impact on yield rate and production efficiency, reduces economic benefit.
Utility model content
This utility model is in order to solve weak point of the prior art, there is provided in a kind of mold cavity and location structure is set, it is ensured that stock utilization is high, production cost is low, production efficiency is high, rate of reducing the number of rejects and seconds, increase the power transmission shaft disk flange york mould of die life.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that power transmission shaft disk flange york mould, including mounting seat, mounting seat is provided with blocking die body and finish-forging die body, blocking die body and finish-forging die body all include upper cavity die and lower cavity die, mold cavity it is provided with between upper cavity die and lower cavity die, mold cavity includes fork ear chamber and circular disk cavity, the lower cavity die upper surface of blocking die body offers the centralized positioning groove being positioned in the middle part of fork ear chamber, the lower cavity die of blocking die body is provided with the blocking locating slot in outside in the middle part of circular disk cavity, the lower cavity die of finish-forging die body is provided with the finish-forging locating slot in outside in the middle part of circular disk cavity.
Centralized positioning groove lower surface is downward-sloping to the axial direction of circular disk cavity along fork ear chamber, included angle A between centralized positioning groove lower surface and horizontal plane is 5 ��, centralized positioning groove lower surface is circular arc line segment structure in the cross section of circular disk cavity radial direction, centralized positioning groove is 45mm at the radius B of the circular arc line segment at the maximum cross section place of circular disk cavity radial direction, and centralized positioning groove left-right parts is symmetrical about the central axis of the mold cavity of blocking die body.
Blocking locating slot is isosceles trapezoidal structure in the cross section of the radial direction of the mold cavity of blocking die body, the base of this isosceles trapezoidal structure is parallel with top margin and base length is less than top margin, this base length C is 12mm, the waist of this isosceles trapezoid and high angle D are 5 ��, between waist and the base of this isosceles trapezoid, between waist and mold cavity surface, it is equipped with circular arc chamfering, the chamfer radius E on waist and mold cavity surface is 5mm, and the circular arc chamfering radius F between waist and base is 3mm.
Finish-forging locating slot is isosceles trapezoidal structure in the cross section of the radial direction of the mold cavity of finish-forging die body, the base of this isosceles trapezoidal structure is parallel with top margin and base length is less than top margin, this base length G is 13mm, the waist of this isosceles trapezoid and high angle H are 5 ��, between waist and the base of this isosceles trapezoid, between waist and mold cavity surface, it is equipped with circular arc chamfering, the chamfer radius I on waist and mold cavity surface is 2mm, and the circular arc chamfering radius J between waist and base is 2mm.
Adopt technique scheme, this utility model arranges centralized positioning groove in the middle part of the fork ear chamber of the lower cavity die upper surface of blocking die body, when so columned blank material being placed in the mold cavity of blocking die body, the circumferential edges of blank material contacts with centralized positioning groove, and centralized positioning groove just plays good positioning action. The angle of inclination of centralized positioning groove is 5 ��, the circumference so making blank material is bigger with centralized positioning groove contact surface, the radius of the circular arc line segment at centralized positioning groove maximum cross section place radially is 45mm, is so suitable for the location of different model power transmission shaft disk flange york structure. Arranged outside blocking locating slot in the middle part of circular disk cavity on the lower cavity die of blocking die body, for fixing steps of manufacturing blanks front and back position, arranged outside finish-forging locating slot in the middle part of circular disk cavity on the lower cavity die of finish-forging die body, is used for fixing pre-forging front and back position, supports pre-forging horizontal positioned.
This utility model is reasonable in design, simple in construction, improves on the basis of existing mold, and it is accurate that blank material is placed into mold cavity inner position, guarantee that in forging process, sub-material is uniform, forging quality is greatly promoted, and percent defective reduces, and improves production efficiency, reduces production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional power transmission shaft disk flange york mould;
Fig. 2 is the top view of the lower cavity die of blocking die body in Fig. 1;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the top view of the lower cavity die of blocking die body in Fig. 3;
Fig. 5 is the top view of the lower cavity die of finish-forging die body in Fig. 3;
Fig. 6 is B-B sectional view in Fig. 4;
Fig. 7 is D-D sectional view in Fig. 4;
Fig. 8 is E-E sectional view in Fig. 3;
Fig. 9 is F-F sectional view in Fig. 3.
Detailed description of the invention
Such as Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Fig. 8 and Fig. 9, power transmission shaft disk flange york mould of the present utility model, including mounting seat 1, mounting seat 1 is provided with blocking die body and finish-forging die body, blocking die body and finish-forging die body all include upper cavity die 2 and lower cavity die 3, it is provided with mold cavity between upper cavity die 2 and lower cavity die 3, mold cavity includes fork ear chamber 4 and circular disk cavity 5, lower cavity die 3 upper surface of blocking die body offers the centralized positioning groove 6 being positioned in the middle part of fork ear chamber 4, the lower cavity die 3 of blocking die body is provided with the blocking locating slot 7 in outside in the middle part of circular disk cavity 5, the lower cavity die 3 of finish-forging die body is provided with the finish-forging locating slot 8 in outside in the middle part of circular disk cavity 5.
Centralized positioning groove 6 lower surface is downward-sloping to the axial direction of circular disk cavity 5 along fork ear chamber 4, included angle A between centralized positioning groove 6 lower surface and horizontal plane is 5 ��, centralized positioning groove 6 lower surface is circular arc line segment structure in the cross section of circular disk cavity 5 radial direction, centralized positioning groove 6 is 45mm at the radius B of the circular arc line segment at the maximum cross section place of circular disk cavity 5 radial direction, and centralized positioning groove 6 left-right parts is symmetrical about the central axis of the mold cavity of blocking die body.
Blocking locating slot 7 is isosceles trapezoidal structure in the cross section of the radial direction of the mold cavity of blocking die body, the base of this isosceles trapezoidal structure is parallel with top margin and base length is less than top margin, this base length C is 12mm, the waist of this isosceles trapezoid and high angle D are 5 ��, between waist and the base of this isosceles trapezoid, between waist and mold cavity surface, it is equipped with circular arc chamfering, the chamfer radius E on waist and mold cavity surface is 5mm, and the circular arc chamfering radius F between waist and base is 3mm.
Finish-forging locating slot 8 is isosceles trapezoidal structure in the cross section of the radial direction of the mold cavity of finish-forging die body, the base of this isosceles trapezoidal structure is parallel with top margin and base length is less than top margin, this base length G is 13mm, the waist of this isosceles trapezoid and high angle H are 5 ��, between waist and the base of this isosceles trapezoid, between waist and mold cavity surface, it is equipped with circular arc chamfering, the chamfer radius I on waist and mold cavity surface is 2mm, and the circular arc chamfering radius J between waist and base is 2mm.
This utility model is compared with traditional power transmission shaft disk flange york mould structure, and this utility model has the advantage that by illustrated below:
Certain power transmission shaft disk flange york, annual production about 20,000, forge weight is 6.5kg, and former cutting stock weight is 8.6kg, and stock utilization is 75.6%.
After using power transmission shaft disk flange york mould of the present utility model:
1. stock utilization improves 5%, and existing cutting stock weight is 8.1kg,
Saving steel: 20000 �� (8.6-8.1)=10000kg;
2. production efficiency improves 20%,
Reduce whole production process cost (water, electricity, artificial, equipment etc.) 10000 yuan;
3. percent defective reduces by 2%,
It is 50 yuan of calculating: 20000 �� 0.02 �� 50=20000 units by single-piece price;
4. the raising of die life,
This disk flange york of comprehensive whole production process saves expense 75000 yuan every year.
More than simply for certain disk flange york, my company uses the disk flange york of this kind of novel base structure to have 5 kinds, can reduce production cost about for company every year: about 37.5 ten thousand yuan.
Shape of the present utility model, material, structure etc. are not done any pro forma restriction by the present embodiment; every any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, belongs to the protection domain of technical solutions of the utility model.
Claims (4)
1. power transmission shaft disk flange york mould, including mounting seat, mounting seat is provided with blocking die body and finish-forging die body, blocking die body and finish-forging die body all include upper cavity die and lower cavity die, mold cavity it is provided with between upper cavity die and lower cavity die, mold cavity includes fork ear chamber and circular disk cavity, it is characterized in that: the lower cavity die upper surface of blocking die body offers the centralized positioning groove being positioned in the middle part of fork ear chamber, the lower cavity die of blocking die body is provided with the blocking locating slot in outside in the middle part of circular disk cavity, the lower cavity die of finish-forging die body is provided with the finish-forging locating slot in outside in the middle part of circular disk cavity.
2. power transmission shaft disk flange york mould according to claim 1, it is characterized in that: centralized positioning groove lower surface is downward-sloping to the axial direction of circular disk cavity along fork ear chamber, included angle A between centralized positioning groove lower surface and horizontal plane is 5 ��, centralized positioning groove lower surface is circular arc line segment structure in the cross section of circular disk cavity radial direction, centralized positioning groove is 45mm at the radius B of the circular arc line segment at the maximum cross section place of circular disk cavity radial direction, and centralized positioning groove left-right parts is symmetrical about the central axis of the mold cavity of blocking die body.
3. power transmission shaft disk flange york mould according to claim 1 and 2, it is characterized in that: blocking locating slot is isosceles trapezoidal structure in the cross section of the radial direction of the mold cavity of blocking die body, the base of this isosceles trapezoidal structure is parallel with top margin and base length is less than top margin, this base length C is 12mm, the waist of this isosceles trapezoid and high angle D are 5 ��, between waist and the base of this isosceles trapezoid, it is equipped with circular arc chamfering between waist and mold cavity surface, the chamfer radius E on waist and mold cavity surface is 5mm, circular arc chamfering radius F between waist and base is 3mm.
4. power transmission shaft disk flange york mould according to claim 1 and 2, it is characterized in that: finish-forging locating slot is isosceles trapezoidal structure in the cross section of the radial direction of the mold cavity of finish-forging die body, the base of this isosceles trapezoidal structure is parallel with top margin and base length is less than top margin, this base length G is 13mm, the waist of this isosceles trapezoid and high angle H are 5 ��, between waist and the base of this isosceles trapezoid, it is equipped with circular arc chamfering between waist and mold cavity surface, the chamfer radius I on waist and mold cavity surface is 2mm, circular arc chamfering radius J between waist and base is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521059885.9U CN205289616U (en) | 2015-12-19 | 2015-12-19 | Transmission shaft disc bead fork mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521059885.9U CN205289616U (en) | 2015-12-19 | 2015-12-19 | Transmission shaft disc bead fork mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205289616U true CN205289616U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521059885.9U Active CN205289616U (en) | 2015-12-19 | 2015-12-19 | Transmission shaft disc bead fork mould |
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| CN (1) | CN205289616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040944A (en) * | 2016-08-05 | 2016-10-26 | 许昌中兴锻造有限公司 | Light slip yoke forging die and combined forging process thereof |
-
2015
- 2015-12-19 CN CN201521059885.9U patent/CN205289616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040944A (en) * | 2016-08-05 | 2016-10-26 | 许昌中兴锻造有限公司 | Light slip yoke forging die and combined forging process thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |