CN109404399A - The molding machine and processing technology of special-shaped assembling bolt - Google Patents
The molding machine and processing technology of special-shaped assembling bolt Download PDFInfo
- Publication number
- CN109404399A CN109404399A CN201811330894.5A CN201811330894A CN109404399A CN 109404399 A CN109404399 A CN 109404399A CN 201811330894 A CN201811330894 A CN 201811330894A CN 109404399 A CN109404399 A CN 109404399A
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- China
- Prior art keywords
- assembling bolt
- special
- bar
- wire rod
- straight
- 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.)
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Links
- 238000000465 moulding Methods 0.000 title claims abstract description 32
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000003754 machining Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 15
- 230000007723 transport mechanism Effects 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 230000002950 deficient Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000009721 upset forging Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013066 combination product Substances 0.000 description 1
- 229940127555 combination product Drugs 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
-
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
Abstract
The invention discloses the molding machines and processing technology of a kind of special-shaped assembling bolt, the abnormity assembling bolt includes the first straight-bar, large flange, second straight-bar, third straight-bar and hexagonal portion, wherein, small flange is provided on third straight-bar, the molding machine includes: the cold headers for molding the blank of special-shaped assembling bolt, for cleaning the cleaning machine of the blank, for cutting the machining equipment of tail and rut slot to the blank, Equipment for Heating Processing for being heat-treated to special-shaped assembling bolt, coating equipment for carrying out the thread rolling machine of threading and set gasket to the special-shaped assembling bolt after heat treatment and for carrying out surface coating to the special-shaped assembling bolt after threading.The present invention molds the blank of special-shaped assembling bolt by the way of cold-heading, ensure that the integrality of metal streamline in wire rod, and then greatly strengthens the intensity of product, substantially increases production efficiency and stock utilization.
Description
Technical field
The present invention relates to mechanical manufacturing field, in particular to a kind of the molding machine and processing technology of special-shaped assembling bolt.
Background technique
Special-shaped assembling bolt is the fixing bolt for engine air filter connection, existing abnormity assembling bolt
Mach mode machine-shaping is mostly used, leads to that the production cycle is longer, production efficiency is low, the material of machined product
Expect that utilization rate is low, leads to the strength reduction of special-shaped assembling bolt, influence service life.
Summary of the invention
The present invention provides the molding machine and processing technology of a kind of special-shaped assembling bolt, existing in the prior art to solve
Above-mentioned technical problem.
In order to solve the above technical problems, the present invention provides a kind of molding machine of special-shaped assembling bolt；The abnormity combines spiral shell
Bolt includes the first straight-bar, large flange, the second straight-bar, third straight-bar and hexagonal portion, wherein small flange is provided on third straight-bar,
The molding machine includes: the cold headers for molding the blank of special-shaped assembling bolt, for cleaning the clear of the blank
Washing machine, for cutting the machining equipment of tail and rut slot to the blank, for being heat-treated to special-shaped assembling bolt
Equipment for Heating Processing, for carrying out threading to the special-shaped assembling bolt after heat treatment and covering the thread rolling machine of gasket and for stranding
Special-shaped assembling bolt after tooth carries out the coating equipment of surface coating.
Preferably, the cold headers include: material cutting mechanism, ejecting mechanism, transport mechanism and five molds, wherein
The material cutting mechanism is arranged on the ejecting mechanism, and five molds are integrated in same board, the ejecting mechanism position
In board side, transport mechanism moving feeding between the ejecting mechanism and five molds.
Preferably, five molds include: the first mold for carrying out undergauge for the top to wire rod, for institute
The further undergauge in top for stating wire rod forms the second mold of chamfering in the bottom of wire rod simultaneously, for by the middle part jumping-up of wire rod
And the third mold in hexagonal portion is formed in wire rod bottom, for forming the 4th mold of large flange at the middle part of wire rod and being used for
The 5th mold of primary small flange is formed between hexagonal portion and large flange.
Preferably, being provided with nitrogen gas spring in the main mould of first mold and the 5th mold.
The present invention also provides a kind of processing technologys of special-shaped assembling bolt, comprising: step 1: cold-heading forms abnormity combination spiral shell
The blank of bolt；Step 2: the blank in step 1 is cleaned；Step 3: the blank in step 2 cut at tail
Reason；Step 4: the blank in step 3 being machined out, the small flange and third straight-bar of special-shaped assembling bolt are formed；Step
5: threading processing being carried out to the special-shaped assembling bolt in step 4 and covers gasket on the bar diameter of threading simultaneously；Step 6: after threading
Special-shaped assembling bolt surface carry out coating processing, obtain special-shaped assembling bolt finished product.
Preferably, the step 1 specifically includes: step 11: carrying out undergauge processing to the top of wire rod；Step 12: right
The further undergauge in the top of the wire rod forms the first straight-bar, while forming chamfering in the bottom of wire rod；Step 13: by wire rod
Middle part jumping-up and wire rod bottom formed hexagonal portion；Step 14: cold-heading being carried out to the wire rod in step 13, to form big method
It is blue；Step 15: primary small flange is formed between hexagonal portion and large flange.
Preferably, the gasket is set in one end that first straight-bar is contacted with the large flange.
Preferably, the bar diameter of the threading is first straight-bar in the step 5.
Preferably, being first heat-treated to special-shaped assembling bolt before executing step 5.
Preferably, quality inspection is carried out to the finished product of special-shaped assembling bolt, after executing the step 6 to reject defective products.
Compared with prior art, the molding machine and processing technology of special-shaped assembling bolt of the invention, the abnormity combine spiral shell
Bolt includes the first straight-bar, large flange, the second straight-bar, third straight-bar and hexagonal portion, wherein small flange is provided on third straight-bar,
The molding machine includes: the cold headers for molding the blank of special-shaped assembling bolt, for cleaning the clear of the blank
Washing machine, for cutting the machining equipment of tail and rut slot to the blank, for being heat-treated to special-shaped assembling bolt
Equipment for Heating Processing, for carrying out threading to the special-shaped assembling bolt after heat treatment and covering the thread rolling machine of gasket and for stranding
Special-shaped assembling bolt after tooth carries out the coating equipment of surface coating.The present invention molds abnormity combination spiral shell by the way of cold-heading
The blank of bolt, ensure that the integrality of metal streamline in wire rod, and then greatly strengthen the intensity of product.In addition, cold-heading at
There is large flange and primary small flange on the blank that type goes out, reduce machining processes, substantially increase production efficiency and material
Expect utilization rate.
The shape and size characteristic of product, connecting shaping technical characterstic, material benefit is utilized in processing technology of the invention
Add each factor of allowance, die life to control with rate, machine and arrived optimum state, and does not occur seriously affecting the machine of efficiency
Process bottleneck process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of special-shaped assembling bolt；
Fig. 2 is the structural schematic diagram of five molds in the molding machine of special-shaped assembling bolt of the invention；
Fig. 3 is the variation schematic diagram of wire rod during cold-heading in the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.It should be noted that attached drawing of the present invention is all made of simplified form and uses non-essence
Quasi- ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
The present invention provides a kind of molding machine of special-shaped assembling bolt, firstly, as shown in Figure 1, the abnormity assembling bolt packet
Include the first straight-bar 1, large flange 4, the second straight-bar 2, third straight-bar 3 and hexagonal portion 5, wherein be provided on the bar diameter of the first straight-bar 1
Screw thread, root are arranged with gasket 7.Small flange 6 is provided on third straight-bar 3.And the diameter of third straight-bar 3 is more straight than described first
Bar 1 and the diameter in hexagonal portion 5 want small, therefore the two sides of small flange 6 are groove.
Further, which includes: the cold headers for molding the blank of special-shaped assembling bolt, for clear
The cleaning machine for washing the blank, for cutting the machining equipment of tail and rut slot to the blank, for special-shaped group
The Equipment for Heating Processing that bolt is heat-treated is closed, for carrying out threading to the special-shaped assembling bolt after heat treatment and covering the stranding of gasket
Tooth machine and for after threading special-shaped assembling bolt carry out surface coating coating equipment.Specifically, the material cutting mechanism
Using scissors, the ejecting mechanism continues and ejects the wire rod of regular length, and after the scissors cuts wire rod, transport mechanism will
Wire rod is transplanted in the mold of board.Generally to ensure that the continuous-flow type of cold headers is run, usually in every two groups of adjacent equipment
Between 1 group of transport mechanism is set.In general, the transport mechanism uses clip.In order to avoid wire rod occurs to turn in moving process
To, therefore grid lines is set in the inside of the clip, increase the roughness of clip, skidding when preventing wire rod from ejecting out causes to turn
To.
Preferably, the cold headers include: material cutting mechanism, ejecting mechanism, transport mechanism and five molds, wherein
The material cutting mechanism is arranged on the ejecting mechanism, and five molds are integrated in same board, the ejecting mechanism position
In board side, transport mechanism moving feeding between the ejecting mechanism and five molds.
As shown in Fig. 2, five molds include: the first mold 10 for carrying out undergauge for the top to wire rod, it is used for
The second mold 20 for forming chamfering in the bottom of wire rod simultaneously to the further undergauge in the top of the wire rod, for will be in wire rod
Portion's jumping-up simultaneously forms the third mold 30 in hexagonal portion 5 in wire rod bottom, for forming the 4th mould of large flange 4 at the middle part of wire rod
Have 40 and the 5th mold 50 for forming primary small flange between hexagonal portion 5 and large flange 4.
Further, the main mould of first mold 10 and the 5th mold 50 uses floating main mould.The floating main mould packet
It includes: main mould shell, main mould mold core, nitrogen gas spring, main mould cushion block and main mould thimble, wherein the main mould mold core, nitrogen gas spring and master
Die-cushion block is successively set on from top to bottom in the main mould shell, and master cast chamber, the main mould top are provided in the main mould mold core
Needle is driven by main mould driving and protrudes into the master cast chamber.By the way that the nitrogen gas spring is arranged, main mould mold core can be made to float, reached
The purpose of stable molding.
The present invention also provides a kind of processing technologys of special-shaped assembling bolt, comprising the following steps:
Step 1: cold-heading forms the blank of special-shaped assembling bolt.Specifically, referring to figure 3., the step 1 includes: step
Rapid 11: undergauge processing, preforming first straight-bar 1 are carried out to the top of wire rod.Specifically, the width of the wire rod and second
The outer diameter of straight-bar 2 is same or similar.Not only there is in this way convenient for formation the large flange 4 of larger diameter, but also can be very good to contract
Diameter obtains lesser first straight-bar 1 of diameter.
Step 12: to the further undergauge in the top of the wire rod, forming first straight-bar 1, while in the bottom of wire rod
Chamfering is formed, in order to be subsequently formed hexagonal portion 5.
Step 13: the middle part jumping-up of wire rod being prepared to be subsequently formed large flange 4, while going out six in the upsetting of wire rod bottom
Corner 5.
Step 14: to the wire rod further progress cold-heading in step 13, to form large flange 4, which is horn-like
Structure.
Step 15: primary small flange is formed between hexagonal portion 5 and large flange 4, the small flange of the primary is used in subsequent work
Small flange 6 is formed in sequence.
Step 2: the blank in step 1 being cleaned, to remove the greasy dirt during cold-heading.
Step 3: the blank in step 2 is carried out to cut tail processing, i.e., machining is carried out to the tail portion of the first straight-bar 1,
Keep its tail portion tapered.
Step 4: the blank in step 3 being machined out, the small flange and third straight-bar of special-shaped assembling bolt are formed
3.Machining specifically is carried out to the small flange of the primary and forms small flange 6, then the groove at the two sides cutting of small flange 6,
And then mold the third straight-bar 3 with small flange 6.Further, after processing is completed, hot place is carried out to special-shaped assembling bolt
Reason.
Step 5: threading processing being carried out to the special-shaped assembling bolt in step 4 and covers gasket on the bar diameter of threading simultaneously.Tool
Body, the bar diameter of the threading and the bar diameter of set gasket are first straight-bar 1.The gasket is set in first straight-bar
1 root that is to say its one end contacted with the large flange 4.
Step 6: coating processing being carried out to the surface of the special-shaped assembling bolt after threading, obtains special-shaped assembling bolt finished product.
Step 7: quality inspection being carried out to the finished product of special-shaped assembling bolt, to reject defective products.
For processing technology of the invention, it should be noted that due to needing the place end molding in hexagonal portion 5 primary small
Flange, therefore need for the first straight-bar 1 to be arranged in punch die direction.Again since special-shaped assembling bolt entire length is longer, therefore can not be first
The reverses direction again after main mould direction forms the first straight-bar 1, so the first straight-bar 1 can only realize necking down molding in punch die direction.
And since special-shaped assembling bolt entire length is longer, if closing molding completely in punch die, bigger device model is needed
It is just able to achieve, cost can undoubtedly greatly increase, and since deflection is excessively high, and molding unstable factor is larger, therefore the present invention utilizes
What is connect with the first straight-bar 1 is that the architectural characteristic of large flange 4 reaches stable molding first by the way of contracting small pole diameter twice
The purpose of straight-bar 1.And in the preforming chamfering in wire rod bottom while second of contracting bar diameter.It is formed in third mold 30
Hexagonal portion and preforming large flange, and by the Rouno Cormer Pregrinding Wheel on preforming large flange, eliminate the punch die end formed in the second mold
Step prevents molding large flange plane from material stacking occur.It forms large flange 4 simultaneously to improve the chamfering in hexagonal portion 5, lengthens six
5 length of corner has guaranteed that the length in machine added-time hexagonal portion 5 is enough.(since product size limits, rear station forms small flange and needs
The material source wanted is poor in the anteroposterior diameter of hexagonal upper end cylindrical region, and contracting hexagonal duration, which is spent, long will lead to body length and spend
The material of section, the small flange of subsequent forming will be insufficient, finally needs mach characteristic using finished product hexagonal upper area, passes through
4th station mentions hexagonal root circular arc, reaches and increases hexagonal length, and guarantees the purpose of hexagonal upper end cylindrical region length.5th
The primary small flange of die for molding, the upset forging process not used, if using upset forging process, it may appear that preceding station molding six
Angular zone enters the problem of mould corner, deformation, leads to mould structure complexity and the service life is low.Therefore combination product of the present invention is 6 liang of flange small
End is required to add the characteristic of groove out in subsequent machine and is greater than the cornerwise of hexagonal portion using the body diameter of 5 upper end of hexagonal portion
Characteristic, it is stringent to calculate and manage axial each section of size, hexagonal portion 5 is molded by the way of moving material, so that 5 upper end of hexagonal portion is arrived
The material in small 6 region of flange, material needed for just becoming primary small flange, such molding stress is minimum, and die life is most
Height, and moulding process is stablized.
Obviously, those skilled in the art can carry out various modification and variations without departing from spirit of the invention to invention
And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it
Interior, then the invention is also intended to include including these modification and variations.
Claims (10)
1. it is a kind of abnormity assembling bolt molding machine, the abnormity assembling bolt including the first straight-bar, large flange, the second straight-bar,
Third straight-bar and hexagonal portion, wherein small flange is provided on third straight-bar, which is characterized in that the molding machine include: at
Type goes out the cold headers of the blank of special-shaped assembling bolt, for cleaning the cleaning machine of the blank, for the blank
The machining equipment for cutting tail and rut slot, the Equipment for Heating Processing for being heat-treated to special-shaped assembling bolt, for heat
Special-shaped assembling bolt carries out threading that treated and cover gasket thread rolling machine and for the special-shaped assembling bolt after threading into
The coating equipment of row surface coating.
2. the molding machine of abnormity assembling bolt as described in claim 1, which is characterized in that the cold headers include: blank
Mechanism, ejecting mechanism, transport mechanism and five molds, wherein the material cutting mechanism is arranged on the ejecting mechanism, described
Five molds are integrated in same board, and the ejecting mechanism is located at board side, and the transport mechanism is in the ejecting mechanism
And moving feeding between five molds.
3. the molding machine of abnormity assembling bolt as claimed in claim 2, which is characterized in that five molds include: use
The first mold of undergauge is carried out in the top to wire rod, for the further undergauge in top to the wire rod simultaneously at the bottom of wire rod
Portion forms the second mold of chamfering, for forming the third mold in hexagonal portion by the middle part jumping-up of wire rod and in wire rod bottom, uses
In the 4th mold for forming large flange at the middle part of wire rod and for forming primary small flange between hexagonal portion and large flange
The 5th mold.
4. the molding machine of abnormity assembling bolt as claimed in claim 3, which is characterized in that first mold and the 5th mould
Nitrogen gas spring is provided in the main mould of tool.
5. a kind of processing technology of abnormity assembling bolt characterized by comprising
Step 1: cold-heading forms the blank of special-shaped assembling bolt；
Step 2: the blank in step 1 is cleaned；
Step 3: the blank in step 2 being carried out to cut tail processing；
Step 4: the blank in step 3 being machined out, the small flange and third straight-bar of special-shaped assembling bolt are formed；
Step 5: threading processing being carried out to the special-shaped assembling bolt in step 4 and covers gasket on the bar diameter of threading simultaneously；
Step 6: coating processing being carried out to the surface of the special-shaped assembling bolt after threading, obtains special-shaped assembling bolt finished product.
6. the processing technology of abnormity assembling bolt as claimed in claim 5, which is characterized in that the step 1 specifically includes:
Step 11: undergauge processing is carried out to the top of wire rod；
Step 12: to the further undergauge in the top of the wire rod, forming the first straight-bar, while forming chamfering in the bottom of wire rod；
Step 13: forming hexagonal portion by the middle part jumping-up of wire rod and in wire rod bottom；
Step 14: cold-heading being carried out to the wire rod in step 13, to form large flange；
Step 15: primary small flange is formed between hexagonal portion and large flange.
7. the processing technology of abnormity assembling bolt as claimed in claim 6, which is characterized in that the gasket is set in described the
One end that one straight-bar is contacted with the large flange.
8. the processing technology of abnormity assembling bolt as claimed in claim 6, which is characterized in that in the step 5, the threading
Bar diameter be first straight-bar.
9. the processing technology of abnormity assembling bolt as claimed in claim 5, which is characterized in that first right before executing step 5
Special-shaped assembling bolt is heat-treated.
10. the processing technology of abnormity assembling bolt as claimed in claim 5, which is characterized in that after executing the step 6,
Quality inspection is carried out to the finished product of special-shaped assembling bolt, to reject defective products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330894.5A CN109404399B (en) | 2018-11-09 | 2018-11-09 | Forming device for special-shaped combined bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330894.5A CN109404399B (en) | 2018-11-09 | 2018-11-09 | Forming device for special-shaped combined bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109404399A true CN109404399A (en) | 2019-03-01 |
| CN109404399B CN109404399B (en) | 2023-09-22 |
Family
ID=65472604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811330894.5A Active CN109404399B (en) | 2018-11-09 | 2018-11-09 | Forming device for special-shaped combined bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109404399B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453541A (en) * | 2021-12-29 | 2022-05-10 | 广东顺科电气制造有限公司 | Cold heading device and cold heading process for forming battery leading-out terminal |
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| JP2010046704A (en) * | 2008-08-25 | 2010-03-04 | Daiichi Kogyo Co Ltd | Method, apparatus and die for manufacturing bolt |
| CN202194918U (en) * | 2011-05-31 | 2012-04-18 | 重庆长安汽车股份有限公司 | Ball stud for engine peripheral partial assembly |
| CN102601589A (en) * | 2012-03-29 | 2012-07-25 | 苏州新凌电炉有限公司 | Process for manufacturing quincuncial dowel screws |
| CN204553476U (en) * | 2015-03-31 | 2015-08-12 | 超捷紧固***(上海)股份有限公司 | For the special rapid shaping bolt of plastics |
| CN205036852U (en) * | 2015-09-17 | 2016-02-17 | 宾科汽车紧固件（昆山）有限公司 | Electron parking drive bolt and nut assembly |
| CN209324833U (en) * | 2018-11-09 | 2019-08-30 | 宾科汽车紧固件（昆山）有限公司 | The molding machine of special-shaped assembling bolt |
-
2018
- 2018-11-09 CN CN201811330894.5A patent/CN109404399B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010046704A (en) * | 2008-08-25 | 2010-03-04 | Daiichi Kogyo Co Ltd | Method, apparatus and die for manufacturing bolt |
| CN202194918U (en) * | 2011-05-31 | 2012-04-18 | 重庆长安汽车股份有限公司 | Ball stud for engine peripheral partial assembly |
| CN102601589A (en) * | 2012-03-29 | 2012-07-25 | 苏州新凌电炉有限公司 | Process for manufacturing quincuncial dowel screws |
| CN204553476U (en) * | 2015-03-31 | 2015-08-12 | 超捷紧固***(上海)股份有限公司 | For the special rapid shaping bolt of plastics |
| CN205036852U (en) * | 2015-09-17 | 2016-02-17 | 宾科汽车紧固件（昆山）有限公司 | Electron parking drive bolt and nut assembly |
| CN209324833U (en) * | 2018-11-09 | 2019-08-30 | 宾科汽车紧固件（昆山）有限公司 | The molding machine of special-shaped assembling bolt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453541A (en) * | 2021-12-29 | 2022-05-10 | 广东顺科电气制造有限公司 | Cold heading device and cold heading process for forming battery leading-out terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109404399B (en) | 2023-09-22 |
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