CN202174201U - Warm forging and finish forging die for ball basket universal joint bell housing - Google Patents

Warm forging and finish forging die for ball basket universal joint bell housing Download PDF

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Publication number
CN202174201U
CN202174201U CN2011202358249U CN201120235824U CN202174201U CN 202174201 U CN202174201 U CN 202174201U CN 2011202358249 U CN2011202358249 U CN 2011202358249U CN 201120235824 U CN201120235824 U CN 201120235824U CN 202174201 U CN202174201 U CN 202174201U
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CN
China
Prior art keywords
die
forging
punch
cylinder
cylinders
Prior art date
Application number
CN2011202358249U
Other languages
Chinese (zh)
Inventor
万永福
张太良
赵年龙
张如亮
周新民
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江苏威鹰机械有限公司
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Application filed by 江苏威鹰机械有限公司 filed Critical 江苏威鹰机械有限公司
Priority to CN2011202358249U priority Critical patent/CN202174201U/en
Application granted granted Critical
Publication of CN202174201U publication Critical patent/CN202174201U/en

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Abstract

The utility model discloses a warm forging and finish forging die for a ball basket universal joint bell housing, which comprises a male die, a female die, pressure packing blocks and an ejector. The ejector is arranged at the bottom of the female die, the male die comprises cylinders and transition sections among the cylinders, the diameters of the cylinders are decreased progressively, six arc bumps are evenly arranged on the outer wall of each cylinder of the male die, a male die head is in a cambered surface structure, slot extrusion blocks are further arranged among the arc bumps on the outer walls of the cylinders of the male die, an inner cavity of the female die is provided with an inverted cone frustum, a cylindrical cavities and transition cavities among the cylindrical cavities from bottom to top, the diameters of the cylindrical cavities are decreased progressively, and the diameter of the maximum cylinder of the male die placed in the inner cavity of the female die is smaller than the maximum diameter of the inner cavity of the female die. By the aid of the warm forging and finish forging die, ball basket universal joint bell housing precision forgings are produced by means of warm forging and cold forging combination and plastic molding technology, production cycle is shortened, the workload of machine processing is decreased, and metal resources are saved.

Description

Rzeppa joint clutch can warm forging finisher
Technical field
The utility model relates to a kind of mould; Especially relate to a kind of by metal flowing forming rule; Adopt warm forging and cold forging to unite the forging plastic forming technology; Elder generation's jumping-up is processed the preformed blank, and backward extrusion forms alley in the moulding impression again, and last cold forging plastic forming forms the rzeppa joint clutch can warm forging finisher of Internal Spherical Surface.
Background technology
Constant velocity cardan joint is when master and slave moving axis has angular displacement, can transmit the mechanism of motion and torque, and the structure of rzeppa joint of the prior art is that clutch can and inner race are equipped with six raceway grooves; And six groove curvature centers of clutch can and six groove curvature centers of inner race; Be positioned at both sides, ball cage type retainer internal and external spherical surfaces center respectively, and eccentric throw equates that all clutch can is a vital part of rzeppa joint; The diameter dimension required precision of its alley is high; The precision of its alley arc size just is directly connected to the fit-state of interior steel ball of alley and alley, and then has influence on its service life, and its technical characterstic is mainly reflected on its internal structure; Its inside is made up of vertical equally distributed six ball tracks on Internal Spherical Surface and the spherical, and six ball track centers become two eccentric structures with Internal Spherical Surface.Its crudy precision has fundamental influence for the serviceability of constant velocity cardan joint, especially the crudy precision of six raceway grooves.Add at turnning and milling processing and mill and to require man-hour to control, make it to meet the product precision the clutch can alley.Processing clutch can six raceway groove technologies generally have two kinds of methods: a kind of is to process on high in automaticity, that specificity the is strong equipment, and the external producer of this technology adopts often, and quality can guarantee; But costing an arm and a leg of equipment; Investment is big, and mould replacing time is long, and variety renovation efficient is low.Another kind is on 2110 general lathes, realizes the processing of workpiece through six raceway groove processing unit (plant)s of special use, and this method automaticity is low, is through manually accomplishing waving of workpiece fully.This method is difficult to guarantee the crudy of part, and working strength of workers is bigger, and because the clutch can complex structure causes processing difficulties, processing cost is high.The transmission system of the whole world car overwhelming majority all adopts the drive disk assembly of this universal joint as key; Manufacturing firm all adopts inner chamber precision forging blank technology both at home and abroad at present; Can satisfy required precision like this; Reduce manufacturing cost and cycle again, also met the trend of world today's development of manufacturing simultaneously.Prior art rzeppa joint clutch can production and processing technology mainly is: fracture → heating → shank open die forging pulling → jumping-up → inner chamber moulding, through annealing, adopt the method for machine tooling then, that is: rough turn, rough mill, finish-milling, correct grinding.This type of processing technology, machine tool drops into more, and cut has been wasted metal material, and labor productivity is low, the production cycle is long, and processing cost is also high.
Summary of the invention
The purpose of the utility model provides a kind of rzeppa joint clutch can warm forging finisher; Mainly solve existing processing technology, machine tool drops into more, and cut has been wasted metal material; Labor productivity is low, the production cycle is long, the technical problem that processing cost is high; Adopt this warm forging finisher; Utilize warm forging and cold forging to unite and forge plastic forming technology production rzeppa joint clutch can finish forge spare, shortened the production cycle, reduced the workload of machine tooling; Practiced thrift metals resources; Can satisfy required precision, reduce manufacturing cost and cycle again, also meet the trend of world today's development of manufacturing simultaneously.
The utility model adopts following technical scheme: rzeppa joint clutch can warm forging finisher; Comprise punch, die, pressure filling block and ejector; Described ejector is located at the bottom of die; Cylinder that described punch is successively decreased by diameter and the changeover portion between them constitute; Evenly be provided with six circular arc projections on the cylinder outer wall of described punch, described punch head is a globoidal structure, also is provided with crowded geosynclinal block on the cylinder outer wall between the described punch circular arc projection; Cylinder cavity that the inner chamber of described die increases progressively for rounding platform and diameter from bottom to top and the adapter cavity between them, described punch places the maximum gauge of the maximum cylindrical diameter of die inner chamber less than the die inner chamber.
The beneficial effect of the utility model is: the utility model compared with prior art has advantage with short production cycle, that production cost is low; Reduced the workload of machine tooling; Practiced thrift metals resources; Can satisfy required precision, reduce manufacturing cost and cycle again, also meet the trend of world today's development of manufacturing simultaneously.And practiced thrift metals resources, improved production efficiency.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment,
Fig. 2 is the upward view of punch among the utility model embodiment Fig. 1.
Sequence number among the figure: 1, punch; 2, die; 3, pressure filling block; 4, ejector; 5, circular arc projection, 6, squeeze geosynclinal block, 7, the punch head.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further.
Referring to Fig. 1, shown in Figure 2; A kind of rzeppa joint clutch can warm forging finisher; Comprise punch 1, die 2, pressure filling block 3 and ejector 4; Described ejector 4 is located at the bottom of die 2, and cylinder that described punch 1 is successively decreased by diameter and the changeover portion between them constitute, and evenly are provided with six circular arc projections 5 on the cylinder outer wall of described punch 1; Described punch head 7 is a globoidal structure; Also be provided with on the cylinder outer wall between the described punch circular arc projection 5 and squeeze geosynclinal block 6, cylinder cavity that the inner chamber of described die 2 increases progressively for rounding platform and diameter from bottom to top and the adapter cavity between them, described punch 1 places the maximum gauge of the maximum cylindrical diameter of die 2 inner chambers less than die 2 inner chambers.
Embodiment is just for the ease of understanding the technical scheme of the utility model; Do not constitute restriction to the utility model protection domain; Every interior any simple modification, equivalent variations and modification of perhaps according to the technical spirit of the utility model above scheme being done that does not break away from the utility model technical scheme all still belongs within the utility model protection domain.

Claims (1)

1. rzeppa joint clutch can warm forging finisher; Comprise punch ⑴, die ⑵, pressure filling block ⑶ and ejector ⑷; Described ejector ⑷ is located at the bottom of die ⑵; Cylinder that described punch ⑴ is successively decreased by diameter and the changeover portion between them constitute; Evenly be provided with six circular arc projection ⑸ on the cylinder outer wall of described punch ⑴, described punch head ⑺ is a globoidal structure, it is characterized in that: also be provided with on the cylinder outer wall between the described punch circular arc projection ⑸ and squeeze geosynclinal block ⑹; Cylinder cavity that the inner chamber of described die ⑵ increases progressively for rounding platform and diameter from bottom to top and the adapter cavity between them, described punch ⑴ places the maximum gauge of the maximum cylindrical diameter of die ⑵ inner chamber less than die ⑵ inner chamber.
CN2011202358249U 2011-07-06 2011-07-06 Warm forging and finish forging die for ball basket universal joint bell housing CN202174201U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202358249U CN202174201U (en) 2011-07-06 2011-07-06 Warm forging and finish forging die for ball basket universal joint bell housing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202358249U CN202174201U (en) 2011-07-06 2011-07-06 Warm forging and finish forging die for ball basket universal joint bell housing

Publications (1)

Publication Number Publication Date
CN202174201U true CN202174201U (en) 2012-03-28

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Application Number Title Priority Date Filing Date
CN2011202358249U CN202174201U (en) 2011-07-06 2011-07-06 Warm forging and finish forging die for ball basket universal joint bell housing

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814440A (en) * 2012-08-02 2012-12-12 盐城理研精密锻造有限公司 Forging method of cylindrical slide sleeve and reverse extrusion mould
CN102861847A (en) * 2011-07-06 2013-01-09 江苏威鹰机械有限公司 Warm forging finish-forging die of rzeppa universal joint bell housing
CN104646956A (en) * 2014-12-29 2015-05-27 宁波市北仑区环港机械厂 Process for machining ball cage bell-like shell
CN107523761A (en) * 2017-08-30 2017-12-29 宁波正凯机械有限公司 The method that rzeppa joint is made using finish forge plastic forming technique

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102861847A (en) * 2011-07-06 2013-01-09 江苏威鹰机械有限公司 Warm forging finish-forging die of rzeppa universal joint bell housing
CN102814440A (en) * 2012-08-02 2012-12-12 盐城理研精密锻造有限公司 Forging method of cylindrical slide sleeve and reverse extrusion mould
CN104646956A (en) * 2014-12-29 2015-05-27 宁波市北仑区环港机械厂 Process for machining ball cage bell-like shell
CN104646956B (en) * 2014-12-29 2017-04-12 宁波正凯机械有限公司 Process for machining ball cage bell-like shell
CN107523761A (en) * 2017-08-30 2017-12-29 宁波正凯机械有限公司 The method that rzeppa joint is made using finish forge plastic forming technique

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