CN205926971U - A cold heading die group for making drive shaft - Google Patents

A cold heading die group for making drive shaft Download PDF

Info

Publication number
CN205926971U
CN205926971U CN201620934729.0U CN201620934729U CN205926971U CN 205926971 U CN205926971 U CN 205926971U CN 201620934729 U CN201620934729 U CN 201620934729U CN 205926971 U CN205926971 U CN 205926971U
Authority
CN
China
Prior art keywords
mould
molding
trimming
main mould
die
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620934729.0U
Other languages
Chinese (zh)
Inventor
王宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU INDUSTRIAL PARK XINKAI PRECISION FASTENER Co Ltd
Original Assignee
SUZHOU INDUSTRIAL PARK XINKAI PRECISION FASTENER Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SUZHOU INDUSTRIAL PARK XINKAI PRECISION FASTENER Co Ltd filed Critical SUZHOU INDUSTRIAL PARK XINKAI PRECISION FASTENER Co Ltd
Priority to CN201620934729.0U priority Critical patent/CN205926971U/en
Application granted granted Critical
Publication of CN205926971U publication Critical patent/CN205926971U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Forging (AREA)

Abstract

The utility model discloses a cold heading die group for making drive shaft. Cold heading die group including the first mould that carries out the cold -heading plastic, the second mould of restrainting pole processing, in advance upset pole processing the third mould, restraint the fourth mould that the flower tooth processed, the 6th mould of upsetting five rough machined mould and cutting edge and processing, the 6th mould includes trimming die and side cut fundamental mode, and the trimming die includes trimming die shell, trimming die cushion and side cut module, and the side cut fundamental mode includes centre form in side cut fundamental mode shell, side cut fundamental mode benevolence, side cut fundamental mode thimble, the side cut, lock behind cut edge down centre form and the side cut fundamental mode. The utility model discloses a six moulds carry out progressively cold -heading processing to the wire rod, have guaranteed the metal streamline integrality of drive shaft, have improved intensity and production efficiency, have reduced manufacturing cost.

Description

For manufacturing the cold-heading module of drive shaft
Technical field
This utility model is related to machining technology field, particularly to a kind of cold-heading module for manufacturing drive shaft.
Background technology
Drive shaft is the vitals in automobile safety system, and the quality of production of drive shaft affects whole automobilism Safety.In prior art, drive shaft is usually to process on CNC Digit Control Machine Tool, is added by machining or milling pin process Work molds shape and the driving cog of drive shaft.But, the drive shaft being processed by CNC and its driving cog inner flow-line be not complete Whole, insufficient strength, manufacturing procedure is complicated, and CNC working (machining) efficiency is low, long the production cycle, and the waste material that milling pin falls is more, wastes material Material, increases production cost.And, for the processing of the drive shaft of different form, CNC processing mode is more not easy to meet processing Require and processing quality.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of cold heading die for manufacturing drive shaft Group, it is ensured that the streamline of drive shaft is complete, improves intensity and the production efficiency of drive shaft.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, this utility model is achieved through the following technical solutions:
A kind of cold-heading module for manufacturing drive shaft, this cold-heading module includes:
First mould, for cold-heading shaping being carried out to the wire rod making drive shaft so that the head of wire rod obtains rounding, To form the first semi-finished product;
Second mould, for carrying out restrainting bar processing so that the first semi-finished product to the first semi-finished product of the first mould institute molding Head formed a diameter be less than afterbody cylinder, obtain the second semi-finished product;
3rd mould, for carrying out pre- upsetting bar processing so that second half one-tenth to the second semi-finished product of the second mould institute molding The diameter of product becomes big, to obtain the 3rd semi-finished product;
4th mould, for carrying out restrainting colored tooth processing so that the 3rd half one-tenth to the 3rd semi-finished product of the 3rd mould institute molding The head of product molds colored tooth, to obtain the 4th semi-finished product;
5th mould, for carrying out jumping-up processing to the 4th semi-finished product of the 4th mould institute molding, by the 4th semi-finished product Middle part jumping-up to form central flange, to obtain the 5th semi-finished product;
6th mould, the central flange for the 5th semi-finished product to the molding of the 5th mould institute carries out trimming processing, with complete Become the cold-heading processing of drive shaft;
Wherein, the 6th mould includes trim die and trimming main mould, and this trim die includes trim die shell, trimming punching Die-cushion block and trimming module, trimming module is arranged in the front end of trim die shell, and described trim die cushion block is arranged at trimming In the rear portion of punch die shell, described trimming main mould include trimming main mould shell, trimming main mould core, trimming main mould thimble, internal model in trimming, Lock after trimming core insert and trimming main mould, in this trimming, internal model and trimming core insert are arranged in trimming main mould shell, described trimming Main mould core is arranged in internal model in trimming, and after this trimming main mould, lock is arranged on the lower end of trimming main mould shell, trimming main mould thimble Through after trimming core insert, stretch in trimming main mould core.
Further, described first mould, the second mould, the 3rd mould, the 4th mould and the 5th mould all include molding Punch die and molding main mould, this form die includes form die shell, form die cushion block and form die thimble, this form die Thimble and form die cushion block are arranged in form die shell, and the end of form die thimble stretches out in form die shell, and institute State the rear that form die cushion block is arranged at form die thimble, described molding main mould include molding main mould shell, molding main mould core, Lock after internal model, molding core insert and molding main mould on molding main mould thimble, molding, internal model and the setting of molding core insert in this molding In molding main mould shell, described molding main mould core is arranged in internal model in molding, and molding main mould core has forming recess, this molding After main mould, lock is arranged on the lower end of molding main mould shell, after molding main mould thimble passes through molding core insert, stretches into molding main mould core Forming recess in.
Further, described 6th mould also includes cushion block after trim die, and after this trim die, cushion block is arranged at trimming On the rear end of punch die shell.
Further, the 6th mould also includes cushion block after trimming main mould, and after this trimming main mould, cushion block is arranged at trimming master On the downside of lock after mould.
Further, described first mould, the second mould, the 3rd mould, the 4th mould and the 5th mould also include respectively Cushion block after form die, after this form die, cushion block is arranged on the rear end of form die shell.
Further, described first mould, the second mould, the 3rd mould, the 4th mould and the 5th mould also include respectively Cushion block after molding main mould, on the downside that after described molding main mould, cushion block is locked after being arranged at molding main mould.
Further, the form die cushion block of described 5th mould includes cushion block and lower cushion block, upper cushion block and lower cushion block Between be provided with spring.
Further, it is additionally provided with form die core in the form die shell of described 5th mould, described form die thimble Penetrate this form die core.
The beneficial effects of the utility model are:This utility model carries out progressively cold-heading processing by six moulds to wire rod, Eventually form the central flange with different form and the drive shaft of flower tooth, do not use CNC processing it is ensured that the metal of drive shaft Streamline integrity, improves intensity, with short production cycle, improves production efficiency, and stock utilization is high, reduces production cost.
Brief description
Fig. 1 is the drive shaft structure chart of cold-heading module of the present utility model progressively molding.
Fig. 2 is the structural representation of cold-heading module of the present utility model.
Fig. 3 is the structural representation of the 6th mould in cold-heading module of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model Can be easier to be readily appreciated by one skilled in the art with feature, thus make apparent clear and definite to protection domain of the present utility model Define.
As shown in Figure 1 to Figure 3, this utility model provides a kind of cold-heading module for manufacturing drive shaft, this cold heading die Group includes:
First mould 1, for carrying out cold-heading shaping to the wire rod making drive shaft so that the head of wire rod obtains rounding Angle, to form the first semi-finished product a;
Second mould 2, for carrying out restrainting bar processing so that the first semi-finished product to the first semi-finished product of the first mould institute molding Head formed a diameter be less than afterbody cylinder, obtain the second semi-finished product b;
3rd mould 3, for carrying out pre- upsetting bar processing so that second half one-tenth to the second semi-finished product of the second mould institute molding The diameter of product becomes big, to obtain the 3rd semi-finished product c;
4th mould 4, for carrying out restrainting colored tooth processing so that the 3rd half one-tenth to the 3rd semi-finished product of the 3rd mould institute molding The head of product molds colored tooth, to obtain the 4th semi-finished product d;
5th mould 5, for carrying out jumping-up processing to the 4th semi-finished product of the 4th mould institute molding, by the 4th semi-finished product Middle part jumping-up to form central flange, to obtain the 5th semi-finished product e;
6th mould 6, the central flange for the 5th semi-finished product to the molding of the 5th mould institute carries out trimming processing, obtains Drive shaft blank f, is processed with the cold-heading completing drive shaft;
Wherein, as shown in figure 3, the 6th mould 6 includes trim die 61 and trimming main mould 62, this trim die 6 includes Trim die shell 611, trim die cushion block 612 and trimming module 613, before trimming module 613 is arranged at trim die shell 611 In end, described trim die cushion block 612 is arranged in the rear portion of trim die shell 611, and described trimming main mould 62 includes trimming master Formwork 621, trimming main mould core 622, trimming main mould thimble 623, after internal model 624, trimming core insert 625 and trimming main mould in trimming Lock 626, in this trimming, internal model 624 and trimming core insert 625 are arranged in trimming main mould shell 621, and described trimming main mould core 622 sets It is placed in internal model 624 in trimming, after this trimming main mould, lock 626 is arranged on the lower end of trimming main mould shell 621, trimming main mould thimble After 623 pass through trimming core insert 625, stretch in trimming main mould core 622.
As shown in Fig. 2 the first mould 1, the second mould 2, the 3rd mould 3, the 4th mould 4 all include into the 5th mould 5 Type punch die 71 and molding main mould 72, this form die 71 includes form die shell 711, form die cushion block 712 and form die Thimble 713, this form die thimble 713 and form die cushion block 712 are arranged in form die shell 711, form die thimble After 713 end stretches out in form die shell 711, and described form die cushion block 712 is arranged at form die thimble 713 Side, described molding main mould 72 includes molding main mould shell 721, molding main mould core 722, molding main mould thimble 723, internal model in molding 724th, 726 are locked after molding core insert 725 and molding main mould, in this molding, internal model 724 and molding core insert 725 are arranged at molding master In formwork 721, described molding main mould core 722 is arranged in internal model 724 in molding, and molding main mould core 722 has forming recess, should After molding main mould, lock 726 is arranged on the lower end of molding main mould shell 721, and molding main mould thimble 723 passes through molding core insert 725 Afterwards, stretch in the forming recess of molding main mould core 722.
Furtherly, described 6th mould 6 also includes cushion block 614 after trim die, and after this trim die, cushion block 614 is arranged On the rear end of trim die shell 611.In addition, the 6th mould 6 also includes cushion block 627 after trimming main mould, after this trimming main mould Cushion block 627 is locked after being arranged at trimming main mould on 626 downside.
Furtherly, described first mould 1, the second mould 2, the 3rd mould 3, the 4th mould 4 and the 5th mould 5 are gone back respectively Including cushion block after form die 714, after this form die, cushion block 714 is arranged on the rear end of form die shell 711.In addition, should First mould 1, the second mould 2, the 3rd mould 3, the 4th mould 4 and the 5th mould 5 also include cushion block after molding main mould respectively 727, after described molding main mould, cushion block 727 is locked after being arranged at molding main mould on 726 downside.
Furtherly, the form die cushion block of described 5th mould 5 includes cushion block 7121 and lower cushion block 7122, upper cushion block It is provided with spring 7123 and lower cushion block between.
Furtherly, it is additionally provided with form die core 715 in the form die shell of described 5th mould 5, described form die Thimble penetrates this form die core.
Six moulds are all contained on cold headers.During work, wire rod is placed in the molding main mould in the first mould 1, the first mould The form die motion of tool 1, the form die thimble in form die heads into wire rod in the forming recess of molding main mould core, becomes Type punch die thimble is coordinated with molding main mould core, completes cold-heading trimming so that the head of wire rod obtains rounding, forms first Semi-finished product.First semi-finished product are ejected by the molding main mould thimble of the first mould.Connecting gear on cold headers is by the first semi-finished product It is transferred in the molding main mould of the second mould 2, the form die thimble of the second mould 2 is coordinated with molding main mould core, carry out restrainting bar Processing, so that the head of the first semi-finished product forms the cylinder that a diameter is less than afterbody, obtains the second semi-finished product.Connecting gear will push up The second semi-finished product after going out are transferred in the molding main mould of the 3rd mould 3, the form die thimble of the 3rd mould 3 and molding main mould Core coordinates, and the second semi-finished product is carried out with pre- upsetting bar processing so that the diameter of the second semi-finished product becomes big, obtains the 3rd semi-finished product;Pass Mechanism is sent the 3rd semi-finished product after ejection to be transferred in the molding main mould of the 4th mould 4 again, the form die top of the 4th mould 4 Pin is coordinated with molding main mould core, the 3rd semi-finished product is carried out restraint colored tooth processing so that the head of the 3rd semi-finished product molds colored tooth, Obtain the 4th semi-finished product;Then, the 4th semi-finished product after ejecting are transferred in the molding main mould of the 5th mould 5 connecting gear, 4th semi-finished product are carried out by the form die thimble of the 5th mould 5, form die core and the cooperation of molding main mould core, spring-compressed Jumping-up is processed, and by the middle part jumping-up of the 4th semi-finished product to form central flange, obtains the 5th semi-finished product;Finally, connecting gear will 5th semi-finished product are transferred in the trimming main mould 62 of the 6th mould 6, and trim die 61 moves, and trimming module 613 is to trimming main mould The central flange of the 5th semi-finished product in core 622 carries out trimming processing, obtains the flange arrangement of different form, and final molding goes out to be wanted The drive shaft blank obtaining.Drive shaft blank through operations such as Overheating Treatment and oilings, completes the making of finished product again.
This utility model carries out progressively cold-heading processing by six moulds to wire rod, eventually forms the middle part with different form Flange and the drive shaft of flower tooth, do not use CNC and process it is ensured that the metal streamline integrity of drive shaft, improve intensity, raw Produce cycle is short, improve production efficiency, stock utilization is high, reduces production cost.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every The equivalent structure made using this utility model description and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in Other related technical fields, are all included in the same manner in scope of patent protection of the present utility model.

Claims (8)

1. a kind of cold-heading module for manufacturing drive shaft is it is characterised in that this cold-heading module includes:
First mould, for carrying out cold-heading shaping to the wire rod making drive shaft so that the head of wire rod obtains rounding, with shape Become the first semi-finished product;
Second mould, for carrying out restrainting bar processing so that the head of the first semi-finished product to the first semi-finished product of the first mould institute molding Portion forms the cylinder that a diameter is less than afterbody, obtains the second semi-finished product;
3rd mould, for carrying out pre- upsetting bar processing so that the second semi-finished product to the second semi-finished product of the second mould institute molding Diameter becomes big, to obtain the 3rd semi-finished product;
4th mould, for carrying out restrainting colored tooth processing so that the 3rd semi-finished product to the 3rd semi-finished product of the 3rd mould institute molding Head molds colored tooth, to obtain the 4th semi-finished product;
5th mould, for carrying out jumping-up processing to the 4th semi-finished product of the 4th mould institute molding, by the middle part of the 4th semi-finished product Jumping-up to form central flange, to obtain the 5th semi-finished product;
6th mould, the central flange for the 5th semi-finished product to the molding of the 5th mould institute carries out trimming processing, to complete to drive The cold-heading processing of moving axis;
Wherein, the 6th mould includes trim die and trimming main mould, and this trim die includes trim die shell, trim die pad Block and trimming module, trimming module is arranged in the front end of trim die shell, and described trim die cushion block is arranged at trim die In the rear portion of shell, described trimming main mould includes trimming main mould shell, trimming main mould core, trimming main mould thimble, internal model, trimming in trimming Lock after core insert and trimming main mould, in this trimming, internal model and trimming core insert are arranged in trimming main mould shell, described trimming main mould Core is arranged in internal model in trimming, and after this trimming main mould, lock is arranged on the lower end of trimming main mould shell, and trimming main mould thimble passes through After trimming core insert, stretch in trimming main mould core.
2. the cold-heading module for manufacturing drive shaft according to claim 1 it is characterised in that:Described first mould, Two molds, the 3rd mould, the 4th mould and the 5th mould all include form die and molding main mould, and this form die includes molding Punch die shell, form die cushion block and form die thimble, this form die thimble and form die cushion block are arranged at form die In shell, the end of form die thimble stretches out in form die shell, and described form die cushion block is arranged at form die thimble Rear, described molding main mould includes molding main mould shell, molding main mould core, molding main mould thimble, internal model in molding, interior under molding Lock after mould and molding main mould, in this molding, internal model and molding core insert are arranged in molding main mould shell, and described molding main mould core sets It is placed in internal model in molding, molding main mould core has forming recess, after this molding main mould, lock is arranged at the lower end of molding main mould shell On, after molding main mould thimble passes through molding core insert, stretch in the forming recess of molding main mould core.
3. the cold-heading module for manufacturing drive shaft according to claim 1 it is characterised in that:Described 6th mould also wraps Include cushion block after trim die, after this trim die, cushion block is arranged on the rear end of trim die shell.
4. the cold-heading module for manufacturing drive shaft according to claim 1 it is characterised in that:6th mould also includes Cushion block after trimming main mould, on the downside that after this trimming main mould, cushion block is locked after being arranged at trimming main mould.
5. the cold-heading module for manufacturing drive shaft according to claim 2 it is characterised in that:Described first mould, Two molds, the 3rd mould, the 4th mould and the 5th mould also include cushion block after form die respectively, and after this form die, cushion block sets It is placed on the rear end of form die shell.
6. the cold-heading module for manufacturing drive shaft according to claim 2 it is characterised in that:Described first mould, Two molds, the 3rd mould, the 4th mould and the 5th mould also include cushion block after molding main mould respectively, cushion block after described molding main mould On the downside locked after being arranged at molding main mould.
7. the cold-heading module for manufacturing drive shaft according to claim 2 it is characterised in that:The one-tenth of described 5th mould Type punch die cushion block includes cushion block and lower cushion block, is provided with spring between upper cushion block and lower cushion block.
8. the cold-heading module for manufacturing drive shaft according to claim 2 it is characterised in that:The one-tenth of described 5th mould It is additionally provided with form die core, described form die thimble penetrates this form die core in type punch die shell.
CN201620934729.0U 2016-08-25 2016-08-25 A cold heading die group for making drive shaft Active CN205926971U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620934729.0U CN205926971U (en) 2016-08-25 2016-08-25 A cold heading die group for making drive shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620934729.0U CN205926971U (en) 2016-08-25 2016-08-25 A cold heading die group for making drive shaft

Publications (1)

Publication Number Publication Date
CN205926971U true CN205926971U (en) 2017-02-08

Family

ID=57951778

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620934729.0U Active CN205926971U (en) 2016-08-25 2016-08-25 A cold heading die group for making drive shaft

Country Status (1)

Country Link
CN (1) CN205926971U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270340A (en) * 2016-08-25 2017-01-04 苏州工业园区新凯精密五金有限公司 A kind of cold-heading molding technique for manufacturing drive shaft and cold-heading module
CN109967620A (en) * 2018-12-28 2019-07-05 苏州誉高紧固系统有限公司 One kind being used for fastener trimming composable mold and its production technology

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270340A (en) * 2016-08-25 2017-01-04 苏州工业园区新凯精密五金有限公司 A kind of cold-heading molding technique for manufacturing drive shaft and cold-heading module
CN109967620A (en) * 2018-12-28 2019-07-05 苏州誉高紧固系统有限公司 One kind being used for fastener trimming composable mold and its production technology
CN109967620B (en) * 2018-12-28 2023-10-17 苏州誉高紧固系统有限公司 Trimming combined die for fastener and production process thereof

Similar Documents

Publication Publication Date Title
CN106270340A (en) A kind of cold-heading molding technique for manufacturing drive shaft and cold-heading module
CN106141061A (en) A kind of cold-heading molding technique for manufacturing positioning and guiding nut and cold-heading module
CN102699632B (en) Process for manufacturing lining blank of damper
CN207840015U (en) Hexagon flange bolt cold-heading device
CN104209702B (en) Abnormity nut cold-heading device and production technology thereof
CN104209443B (en) Spline pin roll cold heading device and production process thereof
CN104493061B (en) Cold-forging technology for safety belt transmission shaft and die structure of molded transmission patterned tooth
CN103831390A (en) Cold heading forming method of car sleeve and mould structure for sleeve forming
CN109108203B (en) Ball stud cold heading forming die and forming process
CN104525811A (en) Part cold heading machining method
CN204094038U (en) Special shaped screw bolt cold-heading device
CN108856630A (en) The cold-heading molding technique of automobile unusual casing
CN203390144U (en) Bolt upsetting mould
CN205032637U (en) Outer flower tooth flange nut cold -heading device
CN105251933A (en) Cold heading forming process for heart-shaped nut and die structure for cutting head and edge
CN205926971U (en) A cold heading die group for making drive shaft
CN205926972U (en) A cold heading die group for making clamping orient nut
CN203508906U (en) Multi-station continuous hot-forging die set for half-axle gears of driving axles
CN204094035U (en) Spline pin shaft cold-heading device
CN203751219U (en) Sleeve forming die structure for vehicle
CN108015205A (en) Brake callipers guide finger cold-heading device and its production technology
CN105251923A (en) Cold heading forming process for transmission gear and heavy extruding die structure for forming middle teeth
CN101890624A (en) Method for processing eccentric shaft
CN204603175U (en) The cold upsetting forming die of deduction cap on a kind of perambulator
CN205200426U (en) Mould structure of driving cog intense beam intermediate tooth shape

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant