CN106180532A - The processing technique of a kind of automotive seat power transmission shaft and the mould of contracting flower tooth - Google Patents
The processing technique of a kind of automotive seat power transmission shaft and the mould of contracting flower tooth Download PDFInfo
- Publication number
- CN106180532A CN106180532A CN201610768080.4A CN201610768080A CN106180532A CN 106180532 A CN106180532 A CN 106180532A CN 201610768080 A CN201610768080 A CN 201610768080A CN 106180532 A CN106180532 A CN 106180532A
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- Prior art keywords
- mould
- punch die
- contracting
- main
- tooth
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses the processing technique of a kind of automotive seat power transmission shaft, including cold-heading step, cold-heading step includes that following technique: S1, end to wire rod carry out Beam End process；S2, Beam End end carry out contracting bar process；S3, at the end rounding of contracting bar；S4, contracting flower tooth；S5, molding step；S6, trimming process.Compared to existing technology, eliminating the steps such as bundle muscle tooth, shaping muscle tooth, punching, contracting flower tooth settles at one go, is greatly saved the process time, improves efficiency further, saves material and improves rotary shaft quality.It addition, the invention also discloses the mould of contracting flower tooth in a kind of step S4.
Description
Technical field
The present invention relates to auto parts machinery and manufacture industry, particularly for a kind of automotive seat power transmission shaft of automotive seat
Processing technique and contracting flower tooth mould.
Background technology
At present, in auto parts machinery manufactures industry, power transmission shaft molding transmission in the fabrication process flower tooth is mainly by two kinds
Mode realizes: first, mills out transmission flower tooth by CNC；Second, first die cast heteromorphic teeth muscle, roll stone roller afterwards and be twisted into type
Transmission flower tooth.Both molding modes are required for using different processing modes, and metal inside streamline is imperfect and intensity
The highest, manufacturing procedure is more, and working (machining) efficiency is low, and work in-process wastes substantial amounts of material, does not meets the need of Reducing Cost in Enterprises
Asking, especially for irregular contour size, both the above mode is the most inconvenient.
For the defect of both the above processing mode, applicant crosses one disclosed in the patent document of earlier application and makes
The cold heading technique of power transmission shaft, but this technique the most simply and preferably solve contracting flower tooth after part cross mould after rotation ask
Topic.
Summary of the invention
In view of this, it is desirable to provide the processing technique of a kind of automotive seat power transmission shaft so that processing technique is more
For simply, and preferably solve the rotational problems after contracting flower tooth inter-axle shaft crosses mould.
It addition, present invention also offers the mould of a kind of contracting flower tooth used in above-mentioned processing technique.
First, the present invention proposes the processing technique of a kind of automotive seat power transmission shaft, and including cold-heading step, described cold-heading walks
Suddenly following technique is included:
S1, end to wire rod carry out Beam End process；
S2, Beam End end carry out contracting bar process；
S3, at the end rounding of contracting bar；
S4, contracting flower tooth；
S5, molding step；
S6, trimming process.
In further technical scheme, also included cutting wire rod step before cold-heading step.
In further technical scheme, after cold-heading step, include at least among boring, tapping, Carburization Treatment
Individual step.
The processing technique of a kind of automotive seat power transmission shaft that the present invention proposes, in its cold-heading step, use successively Beam End,
Contracting bar, rounding, contracting flower tooth, molding step and trimming process, and design simplest one-tenth according to the planform of power transmission shaft
Type step, compared to existing technology, eliminates the steps such as bundle muscle tooth, shaping muscle tooth, punching, and contracting flower tooth settles at one go, is greatly saved
Process time, improve efficiency further, save material and improve rotary shaft quality.
It addition, the present invention also proposes in a kind of step S4 the mould of contracting flower tooth, including main mould and matched use
Punch die, described main mould includes main die sleeve and the interior mould epimere being arranged in main die sleeve, interior mould stage casing and Nei Mo hypomere, described interior
Under mould epimere, interior mould stage casing and Nei Mo, intrasegmental part runs through main mould thimble, and the outer end of main mould thimble is provided with main mould knock-pin, institute
Colored tooth forming cavity it is provided with in stating interior mould stage casing；Described punch die includes punch die shell and the punch die cushion block being arranged in punch die shell and punching
Mould thimble, punch die thimble is arranged on one end of punch die cushion block；Interior mould hypomere is provided with gag lever post, and described gag lever post is arranged under interior mould
Between Duan Yuzhu die sleeve, in horizontal and the most arranged in a crossed manner.
In further technical scheme, the end that described punch die cushion block is connected with punch die thimble is provided with chamfering.
In further technical scheme, described main die sleeve is connected by lock dog with interior mould hypomere.
Accompanying drawing explanation
Fig. 1 is production procedure schematic diagram of the present invention；
Fig. 2 is step S1 mould therefor structural representation of the present invention；
Fig. 3 is step S2 mould therefor structural representation of the present invention；
Fig. 4 is step S3 mould therefor structural representation of the present invention；
Fig. 5 is step S4 mould therefor structural representation of the present invention；
Fig. 6 is step S5 mould therefor structural representation of the present invention；
Fig. 7 is step S6 mould therefor structural representation of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
As shown in figs. 1-7, the specific embodiment of the invention provides the processing technique of a kind of automotive seat power transmission shaft, transmission
With flower tooth on axle, concrete processing technique is:
First, select suitably sized to cut wire rod, then carry out cold heading technique, finally carry out holing, tapping, at carburizing
Reason and cleaning step, obtain the power transmission shaft of wounded in the battle tooth.Cold heading technique needs cold-heading mould, cold-heading mould to be arranged on cold-heading
On machine.Wherein, the mould of contracting flower tooth, as it is shown in figure 5, include main mould and the punch die of matched use, described main mould includes
Main die sleeve 4 and the interior mould epimere 5 being arranged in main die sleeve 4, interior mould stage casing 6 and Nei Mo hypomere 7, described interior mould epimere 5, interior mould
There is main mould thimble 8 stage casing 6 and Nei Mo hypomere 7 internal running through, and the outer end of main mould thimble 8 is provided with main mould knock-pin 9, described interior mould
Colored tooth forming cavity it is provided with in stage casing 6；Described punch die includes punch die shell 1 and the punch die cushion block 2 being arranged in punch die shell 1 and punch die
Thimble 3, punch die thimble 3 is arranged on one end of punch die cushion block 2；Interior mould hypomere 7 is provided with gag lever post 10, and described gag lever post 10 is arranged on
Between interior mould hypomere 7 and main die sleeve 4, in horizontal and the most arranged in a crossed manner.The gag lever post 10 of this special construction can preferably solve
After contracting flower tooth, rotational problems after mould crossed by part.Wherein, cold heading technique comprises the following steps:
S1, end to wire rod carry out Beam End process: as in figure 2 it is shown, punch die mass motion in the course of the work and punch die
Thimble 3 pushes part and enters in master cast chamber, plays the effect of Beam End, and main mould part is fixed on cold headers, main mould knock-pin 9
With the mass motion of main mould thimble 8, play the effect releasing part.
S2, carry out contracting bar at Beam End end and process: as it is shown on figure 3, punch die mass motion in the course of the work and punch die thimble 3
Push part to enter in master cast chamber, play the effect of contracting bar；Main mould part is fixed on cold headers, and main mould knock-pin 9 is with main
Mould thimble 8 mass motion, plays the effect releasing part.
S3, at the end rounding of contracting bar: as shown in Figure 4, punch die mass motion in the course of the work and punch die thimble 3 push away
Part to enter in master cast chamber, play the effect of rounding；Main mould part is fixed on cold headers, and main mould knock-pin 9 is with main
Mould thimble 8 mass motion, plays the effect releasing part, and the most main mould thimble 8 part needs to make positioner, need to be at part tail
Portion's preforming limit point, for rotational problems after mould crossed by part after solving contracting flower tooth.
S4, contracting flower tooth: enter main as it is shown in figure 5, punch die mass motion in the course of the work and punch die thimble 3 push part
In model cavity, play the effect of contracting flower tooth；Main mould part is fixed on cold headers, main mould knock-pin 9 fortune overall with main mould thimble 8
Dynamic, play the effect releasing part.
S5, molding step: as shown in Figure 6, punch die travels forward in the course of the work, extrusion sections molding step, punch die
Thimble 3 plays control part epimere size effect；Main mould part is fixed on cold headers, and main mould knock-pin 9 is overall with main mould thimble 8
Motion, plays the effect releasing part.
S6, trimming process: as it is shown in fig. 7, punch die mass motion in the course of the work, play trimming effect；Main mould part
It is fixed on the machine, main mould knock-pin 9 and the mass motion of main mould thimble 8, play the effect releasing part.
Acting as of each of which station: wire rod (wire rod) is cut off by shears and clipped to the station shaping of step S1 by clip, folder
Sub-folder expects the mould posterior cord bar molding of step S2, and clip material folding is to step S3 mould aftershaping afterbody fillet, and clip reaches step S4
Type flower tooth, clip reaches step S5 mould heading, and clip material folding is to the irregular step in step S6 cross cutting limit.
In further technical scheme, before contracting flower tooth step, it is additionally included in wire rod carries out the end molding limit of Beam End
The step in site.The processing technique of a kind of automotive seat power transmission shaft that the present invention proposes, in its cold-heading step, uses bundle successively
Tail, contracting bar, rounding, contracting flower tooth, molding step and trimming process, and design simplest according to the planform of power transmission shaft
Forming step, compared to existing technology, eliminates the steps such as bundle muscle tooth, shaping muscle tooth, punching, and contracting flower tooth settles at one go, significantly saves
Save the process time, improved efficiency further, saved material and improve rotary shaft quality.
The present invention utilizes cold-heading technology to complete all sizes, multi-step and forming embossing tooth, and irregular overall dimensions, this
The advantage of innovation and creation is: save material, and metal streamline is complete, increases part strength, reduces manufacturing procedure, improves and adds work efficiency
The Rational structure design of rate, particularly gag lever post 10 so that forming embossing dental transition is simple.
It addition, the embodiment of the present invention additionally provides in step S4 the mould of contracting flower tooth, including main mould with matched make
Punch die, described main mould includes under main die sleeve 4 and the interior mould epimere 5 being arranged in main die sleeve 4, interior mould stage casing 6 and Nei Mo
Section 7, has main mould thimble 8 described interior mould epimere 5, interior mould stage casing 6 and Nei Mo hypomere 7 internal running through, and the outer end of main mould thimble 8 is arranged
There is main mould knock-pin 9, in described interior mould stage casing 6, be provided with colored tooth forming cavity；Described punch die includes punch die shell 1 and is arranged on punch die
Punch die cushion block 2 in shell 1 and punch die thimble 3, punch die thimble 3 is arranged on one end of punch die cushion block 2；Interior mould hypomere 7 is provided with spacing
Bar 10, described gag lever post 10 is arranged between interior mould hypomere 7 and main die sleeve 4, in horizontal and the most arranged in a crossed manner.Further,
The end that described punch die cushion block 2 is connected with punch die thimble 3 is provided with chamfering, and described main die sleeve 4 and interior mould hypomere 7 are by lock dog phase
Even.Laterally efficiently solve contracting spend rotation that is asymmetric due to transmission shaft structure in tooth and that bring with vertical gag lever post arranged in a crossed manner
Problem.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (6)
1. the processing technique of an automotive seat power transmission shaft, it is characterised in that include that cold-heading step, described cold-heading step include
Following technique:
S1, end to wire rod carry out Beam End process；
S2, Beam End end carry out contracting bar process；
S3, at the end rounding of contracting bar；
S4, contracting flower tooth；
S5, molding step；
S6, trimming process.
The processing technique of automotive seat power transmission shaft the most according to claim 1, it is characterised in that before cold-heading step
Also include cutting wire rod step.
The processing technique of automotive seat power transmission shaft the most according to claim 2, it is characterised in that after cold-heading step
Including at least one step among boring, tapping, Carburization Treatment.
4. the mould of contracting flower tooth in step S4, it is characterised in that include main mould and the punch die of matched use, described
Main mould includes main die sleeve (4) and the interior mould epimere (5), interior mould stage casing (6) and the interior mould hypomere (7) that are arranged in main die sleeve (4),
There is main mould thimble (8) described interior mould epimere (5), interior mould stage casing (6) and interior mould hypomere (7) internal running through, outside main mould thimble (8)
End is provided with main mould knock-pin (9), is provided with colored tooth forming cavity in described interior mould stage casing (6)；Described punch die include punch die shell (1) with
And the punch die cushion block (2) that is arranged in punch die shell (1) and punch die thimble (3), punch die thimble (3) is arranged on punch die cushion block (2)
One end；Interior mould hypomere (7) is provided with gag lever post (10), described gag lever post (10) be arranged on interior mould hypomere (7) and main die sleeve (4) it
Between, in horizontal and the most arranged in a crossed manner.
The mould of contracting flower tooth the most according to claim 4, it is characterised in that described punch die cushion block (2) and punch die thimble
(3) end being connected is provided with chamfering.
The mould of contracting flower tooth the most according to claim 5, it is characterised in that described main die sleeve (4) and interior mould hypomere (7)
It is connected by lock dog.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768080.4A CN106180532A (en) | 2016-08-30 | 2016-08-30 | The processing technique of a kind of automotive seat power transmission shaft and the mould of contracting flower tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768080.4A CN106180532A (en) | 2016-08-30 | 2016-08-30 | The processing technique of a kind of automotive seat power transmission shaft and the mould of contracting flower tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106180532A true CN106180532A (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610768080.4A Pending CN106180532A (en) | 2016-08-30 | 2016-08-30 | The processing technique of a kind of automotive seat power transmission shaft and the mould of contracting flower tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106180532A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598820A (en) * | 2018-05-14 | 2018-09-28 | 上海顺翼紧固件有限公司 | The production technology of plum blossom tooth adapter and its application inside and outside 12 jiaos a kind of |
| CN108580769A (en) * | 2018-05-04 | 2018-09-28 | 广东世力科技有限公司 | A kind of cold-forge forming method of the small size part of the substrate containing polygon |
| CN108856631A (en) * | 2018-05-25 | 2018-11-23 | 昆山麦克司博精密机械有限公司 | The cold-heading molding technique of automobile gear |
| CN109079084A (en) * | 2018-09-28 | 2018-12-25 | 嘉善宝岛模具厂(普通合伙) | A kind of connecting fork or section fork cold-heading cold-forge forming mold and its moulding process |
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| JP2003062636A (en) * | 2001-08-23 | 2003-03-05 | Kawasaki Seikoki:Kk | Manufacturing method of forged product with helical part |
| CN103192020A (en) * | 2013-03-11 | 2013-07-10 | 浙江新东方汽车零部件有限公司 | Gear shaft forming method and die adopted by same |
| CN104368744A (en) * | 2014-12-01 | 2015-02-25 | 苏州工业园区新凯精密五金有限公司 | Cold heading forming technology of automobile door lock shaft and die structure for lock shaft forming |
| CN104801648A (en) * | 2015-05-05 | 2015-07-29 | 宁波斯耐奇金属制品有限公司 | Motor gear shaft cold heading forming process |
| CN105251932A (en) * | 2015-11-12 | 2016-01-20 | 苏州工业园区新凯精密五金有限公司 | Cold heading forming process for transmission shaft and heavy extruding die structure for forming teeth |
| CN105290290A (en) * | 2015-10-28 | 2016-02-03 | 浙江名将汽配有限公司 | Manufacturing die and manufacturing method for output shaft |
| CN105750475A (en) * | 2016-03-04 | 2016-07-13 | 浙江机电职业技术学院 | Plastic forming method of semi-hollow shaft pin |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003062636A (en) * | 2001-08-23 | 2003-03-05 | Kawasaki Seikoki:Kk | Manufacturing method of forged product with helical part |
| CN103192020A (en) * | 2013-03-11 | 2013-07-10 | 浙江新东方汽车零部件有限公司 | Gear shaft forming method and die adopted by same |
| CN104368744A (en) * | 2014-12-01 | 2015-02-25 | 苏州工业园区新凯精密五金有限公司 | Cold heading forming technology of automobile door lock shaft and die structure for lock shaft forming |
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| CN105290290A (en) * | 2015-10-28 | 2016-02-03 | 浙江名将汽配有限公司 | Manufacturing die and manufacturing method for output shaft |
| CN105251932A (en) * | 2015-11-12 | 2016-01-20 | 苏州工业园区新凯精密五金有限公司 | Cold heading forming process for transmission shaft and heavy extruding die structure for forming teeth |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580769A (en) * | 2018-05-04 | 2018-09-28 | 广东世力科技有限公司 | A kind of cold-forge forming method of the small size part of the substrate containing polygon |
| CN108598820A (en) * | 2018-05-14 | 2018-09-28 | 上海顺翼紧固件有限公司 | The production technology of plum blossom tooth adapter and its application inside and outside 12 jiaos a kind of |
| CN108598820B (en) * | 2018-05-14 | 2024-01-02 | 上海顺翼紧固件有限公司 | Production process and application of 12-angle inner and outer quincuncial tooth adapter |
| CN108856631A (en) * | 2018-05-25 | 2018-11-23 | 昆山麦克司博精密机械有限公司 | The cold-heading molding technique of automobile gear |
| CN109079084A (en) * | 2018-09-28 | 2018-12-25 | 嘉善宝岛模具厂(普通合伙) | A kind of connecting fork or section fork cold-heading cold-forge forming mold and its moulding process |
| CN109079084B (en) * | 2018-09-28 | 2023-08-15 | 嘉善宝岛模具厂(普通合伙) | Cold upsetting and cold forging forming die for connecting fork or joint fork and forming process thereof |
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Application publication date: 20161207 |
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