CN108723275A - Eccentric bolt Combined mold for processing - Google Patents
Eccentric bolt Combined mold for processing Download PDFInfo
- Publication number
- CN108723275A CN108723275A CN201810821558.4A CN201810821558A CN108723275A CN 108723275 A CN108723275 A CN 108723275A CN 201810821558 A CN201810821558 A CN 201810821558A CN 108723275 A CN108723275 A CN 108723275A
- Authority
- CN
- China
- Prior art keywords
- mold core
- shaping mold
- semi
- car
- finished product
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 55
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 51
- 239000011265 semifinished product Substances 0.000 claims abstract description 45
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims description 118
- 230000007723 transport mechanism Effects 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims 1
- 239000007769 metal material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003801 milling Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 description 5
- 239000000047 product Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
Abstract
Disclosed by the invention is eccentric bolt Combined mold for processing, which is characterized in that including：First cold upsetting die of car, for the wire rod embryo material for making eccentric bolt to be shaped to the first semi-finished product embryo material that head is taper；Second cold upsetting die of car, for the head of the first semi-finished product embryo material to be shaped to the second spherical semi-finished product embryo material；Third cold upsetting die of car is used to flatten the spherical shape of the second semi-finished product embryo material and carries out annular knurl to screw rod, makes a call to the first groove and the second groove, to form third semi-finished product embryo material；4th cold upsetting die of car, for the head of third semi-finished product embryo material to be shaped as hexagon, form it into eccentric bolt, wire blank is passed through four cold-heading moldings by the present invention by four groups of cold upsetting die of car, is improved stock utilization, is reduced cost, production efficiency greatly improves, and when carrying out cold-heading to metal material, metal material can be made to generate plastic deformation appropriate, can more increase the intensity of metal material relative to techniques such as vehicle, millings.
Description
Technical field
The present invention relates to fastener processing molds, more particularly to eccentric bolt Combined mold for processing.
Background technology
Eccentric bolt is a kind of common vehicle fastener, can be used for adjusting vehicle tyre inclination angle, to keep the flat of vehicle
Weighing apparatus traveling.Eccentric bolt generally comprises bolt head and screw rod, and the end of screw rod offers the first groove and second recessed along its axial direction
Slot, the first groove and the second groove are oppositely arranged, and eccentric washer, the mounting hole and screw rod of eccentric washer are arranged on eccentric bolt
Shape matches so that eccentric bolt is not easy to deflect, tilt after eccentric washer set connects.
But in the prior art, the first groove of eccentric bolt and the second groove are required to mill out come not only by milling machine
Stock utilization is low, and processing efficiency is low, process is cumbersome, of high cost, Market competition now, traditional machining
Technique no longer has competitive advantage.
Invention content
In view of technical problem present in background technology, technical problem solved by the invention is intended to provide a kind of eccentric spiral shell
Bolt die for processing can realize eccentric bolt one-pass molding by cold heading technique, improve production efficiency.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：Eccentric bolt Combined mold for processing,
It is characterized in that, including：
First cold upsetting die of car, for the wire rod embryo material for making eccentric bolt to be shaped to the first semi-finished product embryo that head is taper
Material；
Second cold upsetting die of car, for the head of the first semi-finished product embryo material to be shaped to the second spherical semi-finished product embryo material；
Third cold upsetting die of car, for by the second semi-finished product embryo material it is spherical flatten and annular knurl is carried out to screw rod, make a call to the first groove and
Second groove, to form third semi-finished product embryo material；
4th cold upsetting die of car forms it into eccentric bolt for the head of third semi-finished product embryo material to be shaped as hexagon；
Transport mechanism, for the wire blank to be transferred to the first cold upsetting die of car, the first semi-finished blank is transplanted on second
Second semi-finished blank is transplanted on third cold upsetting die of car, third semi-finished blank is transplanted on the 4th cold heading die by cold upsetting die of car
Tool；
First cold upsetting die of car includes the first dynamic model and the first quiet mould, and first dynamic model is equipped with mandril and shaping mold core A, institute
Stating shaping mold core A, there is the forming cavity A for tilting the conical surface, the mandril to be extended in forming cavity A by the first dynamic model rear end, and described first
The first push rod and shaping mold core B are equipped in quiet mould, the shaping mold core B is equipped with for accommodating screw rod and carrying out pre-shaped to screw rod
Forming cavity B, first push rod extends to by the first quiet mould rear end in forming cavity B, the shaping mold core A and shaping mold core B phase
To setting；
Second cold upsetting die of car includes the second dynamic model and the second quiet mould, and second dynamic model is equipped with shaping mold core C, the shaping
Mold core C front end faces are equipped with arc groove, and the second push rod and shaping mold core D are equipped in the second quiet mould, and the shaping mold core D is set
It is useful for accommodating screw rod and beats screw rod bottom end the forming cavity D of lead angle, second push rod extends to molding by the second quiet mould rear end
In chamber D, the shaping mold core C is oppositely arranged with shaping mold core D；
Third cold upsetting die of car includes third dynamic model and the quiet mould of third, and the third dynamic model is equipped with shaping mold core E, the shaping mold core
E front end faces are equipped with baltimore groove, and the third dynamic model is equipped with third push rod and shaping mold core F, and the shaping mold core is equipped with preceding mold core
With rear mold core, the preceding mold core is equipped with the forming cavity F that annular knurl is carried out to screw rod, and the rear mold core is equipped with carries out out first to screw rod
The forming cavity F ' of groove and the second groove, the third push rod are extended to by the quiet mould rear end of third in forming cavity F ', the sizing die
Core E and shaping mold core F are oppositely arranged；
4th cold upsetting die of car includes the 4th dynamic model and the 4th quiet mould, and the 4th dynamic model is equipped with shaping mold core G, the shaping mold core
G is equipped with forming cavity G for screw head to be shaped as to hexagon, and the front ends shaping mold core G are equipped with lead angle A, and the described 4th
Quiet mould is equipped with the 4th push rod and shaping mold core H, the shaping mold core H equipped with for accommodating screw rod and carrying out finishing shape to screw rod
Forming cavity H, the front ends shaping mold core H are equipped with lead angle B, the lead angle A and lead angle B mutual cooperation lead waste material, and described the
Four push rods are extended to by the 4th quiet mould rear end in forming cavity H, and the shaping mold core G and shaping mold core H are oppositely arranged.
The shaping mold core A, shaping mold core B, shaping mold core C, shaping mold core D, shaping mold core E, shaping mold core F, shaping
Mold core G and shaping mold core H uses cemented carbide material.
Wire blank is passed through four cold-heading moldings by the present invention by four groups of cold upsetting die of car, improves stock utilization, is dropped
Low cost, production efficiency greatly improve, and when carrying out cold-heading to metal material, and metal material can be made to generate modeling appropriate
Property deformation, can more increase the intensity of metal material relative to techniques such as vehicle, millings.
Description of the drawings
Fig. 1 is eccentric bolt processing flow schematic diagram；
Fig. 2 is the first cold upsetting die of car structural schematic diagram；
Fig. 3 is the second cold upsetting die of car structural schematic diagram；
Fig. 4 is third cold upsetting die of car structural schematic diagram；
Fig. 5 is the 4th cold upsetting die of car structural schematic diagram.
Specific implementation mode
Reference attached drawing, eccentric bolt Combined mold for processing, including：First cold upsetting die of car 1, for eccentric bolt will to be made
Wire rod embryo material 50 be shaped to head be taper the first semi-finished product embryo material 51；Second cold upsetting die of car 2 is used for the first semi-finished product
The head of embryo material is shaped to the second spherical semi-finished product embryo material 52；Third cold upsetting die of car 3 is used for the ball of the second semi-finished product embryo material
Shape flattens and carries out annular knurl to screw rod, makes a call to the first groove and the second groove, to form third semi-finished product embryo material 53；4th cold heading die
Tool 4, for the head of third semi-finished product embryo material to be shaped as hexagon, forms it into eccentric bolt 54；Transport mechanism, being used for will
The wire blank is transferred to the first cold upsetting die of car, the first semi-finished blank is transplanted on to the second cold upsetting die of car, by the second half at
Product blank is transplanted on third cold upsetting die of car, third semi-finished blank is transplanted on the 4th cold upsetting die of car.
As shown in Fig. 2, first cold upsetting die of car 1 includes the first dynamic model 11 and the first quiet mould 12, first dynamic model 11
There is the forming cavity A for tilting the conical surface equipped with mandril 101 and shaping mold core A102, the shaping mold core A102, the mandril 101 by
First dynamic model, 11 rear end extends in forming cavity A, and the first push rod 103 and shaping mold core B104, institute are equipped in the first quiet mould 12
It states shaping mold core B104 to be equipped with for accommodating screw rod and carrying out screw rod the forming cavity B of pre-shaped, first push rod 103 is by the
One quiet mould, 12 rear end extends in forming cavity B, and the shaping mold core A102 and shaping mold core B104 are oppositely arranged, and wire rod embryo material 50 is inserted
Enter in the first quiet mould 12, the first dynamic model 11 and 12 relative motion of the first quiet mould withstand bolt head until mandril 101, by wire rod embryo
Material 50 carries out squeezing shaping to obtain the first semi-finished product embryo material 51, and shaping finishes the first push rod 103 by the first semi-finished product embryo material 51
The first quiet mould 12 is released, the first semi-finished product embryo material 51 is sent to the second cold upsetting die of car 2 by transport mechanism.
As shown in figure 3, second cold upsetting die of car 2 includes the second dynamic model 21 and the second quiet mould 22, second dynamic model 21
Equipped with shaping mold core C201, the shaping mold core C201 front end faces are equipped with arc groove, and second is equipped in the second quiet mould 22
Push rod 202 and shaping mold core D203, the shaping mold core D203 be equipped with for accommodate screw rod and to screw rod bottom end beat lead angle at
Cavity D, second push rod 202 are extended to by 22 rear end of the second quiet mould in forming cavity D, the shaping mold core C201 and shaping mold core
D203 is oppositely arranged, and the first semi-finished product embryo material 51 is inserted into the second quiet mould 22, the second dynamic model 21 and 22 relative motion of the second quiet mould,
Shaping mold core C201 squeezes the head of the first semi-finished product embryo material 51 so that the head of the first semi-finished product embryo material 51 is along shaping mold core
The arc groove of C201 carries out shaping, and the screw portion of the first semi-finished product embryo material 51 can be along the forming cavity D of shaping mold core D203
Shape carry out shaping, to obtain the second semi-finished product embryo material 52 that head is spherical in shape, there is lead angle in tail portion, shaping finishes the second push rod
Second semi-finished product embryo material 52 is released the second quiet mould 22 by 202, and the second semi-finished product embryo material 52 is sent to third cold-heading by transport mechanism
Mold 3.
It is equipped with as shown in figure 4, third cold upsetting die of car 3 includes third dynamic model 31 and the quiet mould 32 of third, the third dynamic model 31
Shaping mold core E301, the shaping mold core E301 front end faces are equipped with baltimore groove, and the quiet mould 32 of third is equipped with 302 He of third push rod
Shaping mold core F303, the shaping mold core F303 are equipped with preceding mold core 3031 and rear mold core 3032, and the preceding mold core 3031 is equipped with pair
Screw rod carries out the forming cavity F of annular knurl, and the rear mold core 3032 is equipped with the molding that the first groove and the second groove are carried out out to screw rod
Chamber F ', the third push rod 302 are extended to by quiet 32 rear end of mould of third in forming cavity F ', the shaping mold core E301 and shaping mold core
F303 is oppositely arranged, and the second semi-finished product embryo material 52 is inserted into the quiet mould of third 32, third dynamic model 31 and quiet 32 relative motion of mould of third,
Shaping mold core E301 squeezes the head of the second semi-finished product embryo material 52 so that the head of the second semi-finished product embryo material 52 is along shaping mold core
The arc groove of E301 carries out shaping, and the screw tip of the second semi-finished product embryo material 52 can carry out shaping along the shape of forming cavity F,
The screw rod lower part of second semi-finished product embryo material 52 can carry out shaping along the shape of forming cavity F ', be driven plain with obtaining head, screw rod
Top has annular knurl, screw rod lower part to have the third semi-finished product embryo material 53 of the first groove and the second groove, and shaping finishes third push rod 302
Third semi-finished product embryo material 53 is released into the quiet mould 32 of third, third semi-finished product embryo material 53 is sent to the 4th cold upsetting die of car by transport mechanism
4。
As shown in figure 5, the 4th cold upsetting die of car 4 includes the 4th dynamic model 41 and the 4th quiet mould 42, the 4th dynamic model 41 is equipped with
Shaping mold core G401, the shaping mold core G401 are equipped with the forming cavity G402 for screw head to be shaped as to hexagon, at this
In embodiment, forming cavity G402 internal diameters taper into from the front to the back, and the front ends shaping mold core G are equipped with lead angle A405, and described the
Four quiet moulds 42 are equipped with the 4th push rod 403 and shaping mold core H404, the shaping mold core H404 equipped with for accommodating screw rod and to spiral shell
Bar carries out the forming cavity H of finishing shape, and the front ends shaping mold core H are equipped with lead angle B406, the lead angle A405 and lead angle B406 phases
Mutually cooperation carries out leading waste material, i.e., discharges the waste material that bolt head is cut, the 4th push rod 403 is by the 4th quiet mould
42 rear ends extend in forming cavity H, and the shaping mold core G401 and shaping mold core H404 are oppositely arranged, and third semi-finished product embryo material 53 is inserted
Enter in the 4th quiet mould 42, the 4th dynamic model 41 and 42 relative motion of the 4th quiet mould, shaping mold core G401 cuts third semi-finished product embryo material
53 head so that the head shaping of third semi-finished product embryo material 53 is hexagonal, eccentric as the finished product of hexagon to obtain head
Bolt 54, shaping finish the 4th push rod 402 and finished product eccentric bolt 54 are released the 4th quiet mould 42, fall into rewinding case.
In the technical scheme, before the opposite face of dynamic model and quiet mould is, after back is.
The shaping mold core A, shaping mold core B, shaping mold core C, shaping mold core D, shaping mold core E, shaping mold core F, shaping
Mold core G and shaping mold core H uses cemented carbide material, and cemented carbide material hardness is high, wear-resisting, can improve bolt shaping matter
Amount.
Claims (2)
1. eccentric bolt Combined mold for processing, which is characterized in that including：
First cold upsetting die of car, for the wire rod embryo material for making eccentric bolt to be shaped to the first semi-finished product embryo that head is taper
Material；
Second cold upsetting die of car, for the head of the first semi-finished product embryo material to be shaped to the second spherical semi-finished product embryo material；
Third cold upsetting die of car, for by the second semi-finished product embryo material it is spherical flatten and annular knurl is carried out to screw rod, make a call to the first groove and
Second groove, to form third semi-finished product embryo material；
4th cold upsetting die of car forms it into eccentric bolt for the head of third semi-finished product embryo material to be shaped as hexagon；
Transport mechanism, for the wire blank to be transferred to the first cold upsetting die of car, the first semi-finished blank is transplanted on second
Second semi-finished blank is transplanted on third cold upsetting die of car, third semi-finished blank is transplanted on the 4th cold heading die by cold upsetting die of car
Tool；
First cold upsetting die of car includes the first dynamic model and the first quiet mould, and first dynamic model is equipped with mandril and shaping mold core A, institute
Stating shaping mold core A, there is the forming cavity A for tilting the conical surface, the mandril to be extended in forming cavity A by the first dynamic model rear end, and described first
The first push rod and shaping mold core B are equipped in quiet mould, the shaping mold core B is equipped with for accommodating screw rod and carrying out pre-shaped to screw rod
Forming cavity B, first push rod extends to by the first quiet mould rear end in forming cavity B, the shaping mold core A and shaping mold core B phase
To setting；
Second cold upsetting die of car includes the second dynamic model and the second quiet mould, and second dynamic model is equipped with shaping mold core C, the shaping
Mold core C front end faces are equipped with arc groove, and the second push rod and shaping mold core D are equipped in the second quiet mould, and the shaping mold core D is set
It is useful for accommodating screw rod and beats screw rod bottom end the forming cavity D of lead angle, second push rod extends to molding by the second quiet mould rear end
In chamber D, the shaping mold core C is oppositely arranged with shaping mold core D；
The third cold upsetting die of car includes third dynamic model and the quiet mould of third, and the third dynamic model is equipped with shaping mold core E, the shaping
Mold core E front end faces are equipped with baltimore groove, and the third dynamic model is equipped with third push rod and shaping mold core F, before the shaping mold core is equipped with
Mold core and rear mold core, the preceding mold core are equipped with the forming cavity F that annular knurl is carried out to screw rod, and the rear mold core, which is equipped with, opens screw rod
The forming cavity F ' of first groove and the second groove, the third push rod is extended to by the quiet mould rear end of third in forming cavity F ', described whole
Shape mold core E and shaping mold core F are oppositely arranged；
4th cold upsetting die of car includes the 4th dynamic model and the 4th quiet mould, and the 4th dynamic model is equipped with shaping mold core G, the shaping
Mold core G is equipped with the forming cavity G for screw head to be shaped as to hexagon, and the front ends shaping mold core G are described equipped with lead angle A
4th quiet mould is equipped with the 4th push rod and shaping mold core H, and the shaping mold core H is equipped with for accommodating screw rod and carrying out finishing to screw rod
The forming cavity H of shape, the front ends shaping mold core H are equipped with lead angle B, the lead angle A and lead angle B mutual cooperations carry out leading waste material, institute
It states the 4th push rod to be extended in forming cavity H by the 4th quiet mould rear end, the shaping mold core G and shaping mold core H are oppositely arranged.
2. eccentric bolt Combined mold for processing according to claim 1, which is characterized in that the shaping mold core A, shaping
Mold core B, shaping mold core C, shaping mold core D, shaping mold core E, shaping mold core F, shaping mold core G and shaping mold core H use alloy material
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821558.4A CN108723275B (en) | 2018-07-24 | 2018-07-24 | Combined die for eccentric bolt processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821558.4A CN108723275B (en) | 2018-07-24 | 2018-07-24 | Combined die for eccentric bolt processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108723275A true CN108723275A (en) | 2018-11-02 |
| CN108723275B CN108723275B (en) | 2023-12-19 |
Family
ID=63926980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810821558.4A Active CN108723275B (en) | 2018-07-24 | 2018-07-24 | Combined die for eccentric bolt processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108723275B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323100A (en) * | 2019-07-04 | 2019-10-11 | 深圳东洋旺和实业有限公司 | High-precision iron core process equipment and corresponding iron core machining method |
| CN111570704A (en) * | 2020-05-12 | 2020-08-25 | 浙江明泰控股发展股份有限公司 | Mold assembly of eccentric adjusting bolt and molding method of eccentric adjusting bolt |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0833940A (en) * | 1994-07-22 | 1996-02-06 | Mitsutoyo Kiko Kk | Cold heading tool |
| KR20100005657A (en) * | 2009-03-23 | 2010-01-15 | 임기현 | A close type cold forging method and the device thereof for a sidegear of differential limitation equipment |
| CN102274916A (en) * | 2011-05-26 | 2011-12-14 | 浙江永华紧固件有限公司 | Special die assembly for cold upsetting of tapered wedge bolt |
| CN204603175U (en) * | 2015-02-11 | 2015-09-02 | 海盐富鑫高强度紧固件有限公司 | The cold upsetting forming die of deduction cap on a kind of perambulator |
| CN208495684U (en) * | 2018-07-24 | 2019-02-15 | 浙江裕泰汽车配件有限公司 | Eccentric bolt Combined mold for processing |
-
2018
- 2018-07-24 CN CN201810821558.4A patent/CN108723275B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0833940A (en) * | 1994-07-22 | 1996-02-06 | Mitsutoyo Kiko Kk | Cold heading tool |
| KR20100005657A (en) * | 2009-03-23 | 2010-01-15 | 임기현 | A close type cold forging method and the device thereof for a sidegear of differential limitation equipment |
| CN102274916A (en) * | 2011-05-26 | 2011-12-14 | 浙江永华紧固件有限公司 | Special die assembly for cold upsetting of tapered wedge bolt |
| CN204603175U (en) * | 2015-02-11 | 2015-09-02 | 海盐富鑫高强度紧固件有限公司 | The cold upsetting forming die of deduction cap on a kind of perambulator |
| CN208495684U (en) * | 2018-07-24 | 2019-02-15 | 浙江裕泰汽车配件有限公司 | Eccentric bolt Combined mold for processing |
Non-Patent Citations (1)
| Title |
|---|
| 田福祥;靳会洲;: "高强度螺栓冷挤镦成形工艺及模具设计", 锻压装备与制造技术, no. 01, pages 67 - 69 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323100A (en) * | 2019-07-04 | 2019-10-11 | 深圳东洋旺和实业有限公司 | High-precision iron core process equipment and corresponding iron core machining method |
| CN110323100B (en) * | 2019-07-04 | 2021-03-16 | 深圳东洋旺和实业有限公司 | High-precision iron core processing equipment and corresponding iron core processing method |
| CN111570704A (en) * | 2020-05-12 | 2020-08-25 | 浙江明泰控股发展股份有限公司 | Mold assembly of eccentric adjusting bolt and molding method of eccentric adjusting bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108723275B (en) | 2023-12-19 |
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