CN108273904A - Non- uniform thickness thin shell piece progressive molding apparatus and method based on rotating mould - Google Patents
Non- uniform thickness thin shell piece progressive molding apparatus and method based on rotating mould Download PDFInfo
- Publication number
- CN108273904A CN108273904A CN201810074516.9A CN201810074516A CN108273904A CN 108273904 A CN108273904 A CN 108273904A CN 201810074516 A CN201810074516 A CN 201810074516A CN 108273904 A CN108273904 A CN 108273904A
- Authority
- CN
- China
- Prior art keywords
- roller die
- progressive molding
- thin shell
- plate blank
- piece
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/005—Incremental shaping or bending, e.g. stepwise moving a shaping tool along the surface of the workpiece
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
A kind of non-uniform thickness thin shell piece progressive molding apparatus and method based on rotating mould, described device is made of rack, roller die group, guidance system, dynamical system, transmission system, control system, roller die group includes upper roller die and lower roller die, and there is type groove in the cyclic annular module outer surface of upper and lower roller die.When forming, it is first determined the allowance of rolled piece, pattern draft simultaneously increase technique supplement；Between the upper and lower roller die reversely rotated is sent into one end of plate blank, slab progress sequence is rolled using type groove, is allowed to generate and is gradually plastically deformed and obtains rolled piece, then rolled piece is split and post-processing obtains final part.The present invention can be formed slab compared under side crops industry, obtain the thin shell piece of the non-uniform thickness geometric properties in the part such as various band raised ribs or recessed trench and pillar (platform), production efficiency, stock utilization and die life are high, product mechanical property is good, and building mortion can only be run with electric power, it is simple in structure, reliability is high.
Description
Technical field
The invention belongs to metal forming field more particularly to a kind of non-uniform thickness thin shell piece based on rotating mould are progressive
Building mortion and method.
Background technology
" milled sheet+punching press " is the current most important metal thin shell piece mode of production, due to production efficiency and material use
It is at low cost when rate is high, high-volume manufactures, therefore be widely applied in industrial circle.But the plate that conventional ones use is general
For smooth, uniform thickness tablet, if needing to add some structures on product or fixing some accessories, be typically only capable to using spot welding,
Riveting, be threadedly coupled the methods of (such as welded nut) or punching (and hole flanging), not only technique is cumbersome, low production efficiency, can
It is poor by property, and be unfavorable for realizing lightweight and densification.This situation seriously constrains many products, particularly some are high-end
The production of product.
And have a large capacity and a wide range computer, communication and consumer electronics product (Computer, Communication,
ConsumerElectronics, abbreviation 3C Product) for.To improve the grade and durability, Related product is more and more in recent years
Ground uses metal (such as stainless steel, aluminium alloy) substituted for plastic to manufacture shell；At the same time, with lightweight, integrated
Etc. requirement it is higher and higher, the structure design of 3C Product is increasingly compact, complicated, especially because inside needs to assemble various electricity
Sub- component, therefore case inside usually devises the local geometric features of the non-uniform thickness such as some ribs or pillar, boss.But it passes
System punching press be unable to get this kind of housing component, for this purpose, people once by means of some other material such as hot investment casting, powder metallurgy at
Shape method.As before 2008, Japanese manufacturer just relies on aluminium alloy essence casting shell, in addition the multilayer circuit and flexibility of miniaturization
The technologies such as pcb board, small size hard disk and memory are manufactured that a series of expensive frivolous notebooks such as PR200, Q2010
Computer rules all the land in relevant market.But hot investment casting or powder metallurgically manufacturing metal thin shell piece are utilized, not only production efficiency
It is low, of high cost, it is also difficult to meet the requirements in product intensity and surface quality etc..
For play Plastic Forming efficiently, the advantage of material saving, people also develop " plate for the forming of non-uniform thickness thin shell piece
The methods of bulk forming " or " press forging and forming "【Zhang Shihong, Zhou Lixin, Wang Zhong local bulk forming of sheet metal parts are ground
Study carefully plastic engineering journals, 2008,15 (2):31-36；The not equal wall thickness plate material parts press forging and formings of Luo Jiancheng thicken mechanism and examination
Test research, Central China University of Science and Technology's Master's thesis, 2011】.But these methods are based primarily upon the biography of forcing press upper mold reciprocating motion
System pressing mode, since shaping load is big, die life is low, related application is very limited.
2008, American apple company creatively combined the development of modern CNC (computer numerical control) technology, takes the lead in adopting
With a kind of housing component production technology being known as " Unibody ", i.e., the metal thick plate of one monoblock is directly cut using CNC machine
The geometry of the non-uniform thickness such as the protrusion for being processed as complicated thin-wall case, while retaining some parts.Unibody has abandoned profit
The thinking of thin shell piece is produced with the methods of punching press, hot investment casting, powder metallurgy, and can be substantially compared to conventionally produced shell
Degree reduces part and screw quantity, simplified assembling process, to obtain lighter, thinner product, therefore rapidly in 3C Product
It is widely applied, and revolutionizes the traditional rule of mobile electronic product design【The mounds Yang Dao .Unibody technologies are in product
Seeking knowledge guide using in design, 2015 (1):66-67】.So far, the famous iPhone series mobile phone of apple,
The 3C Product of MacBook Air laptops and other numerous brands, it is outer to produce just largely to use Unibody techniques
Shell.But it is very high to CNC equipment requirements based on the Unibody of machining, for the production of large batch of 3C Product, producing
There is also inadequate natural endowments for efficiency, stock utilization and manufacturing cost etc..
In conclusion the prior art cannot be satisfied the production requirement to non-uniform thickness lightweight thin shell piece in practice, it is necessary to
Develop new forming technology.
Invention content
To achieve the above object, the present invention provides a kind of non-uniform thickness thin shell piece progressive molding device based on rotating mould
With method, Plastic Forming can be carried out to plate blank under smaller load, obtain various band raised ribs or recessed trench, with
And the thin shell piece of the non-uniform thickness geometric properties in the part such as pillar, boss.
The progressive molding device is by rack, roller die group, guidance system, dynamical system, transmission system and control system six
A part composition.
Wherein, rack includes bottom plate and two side plates.The bottom plate is the rectangular thick plate being horizontally arranged, and side plate is intermediate adds
Work has the slab that the setting of circular through hole is placed；Two side plates are mutually parallel and lower end is fastenedly connected with bottom plate, from progressive molding
It is seen immediately ahead of device, bottom plate and two side plates constitute inverted " Π " shape.
Roller die group includes the upper roller die and lower roller die between being mounted on two side plates.The upper roller die, lower roller die are by core
Axis and the cyclic annular module two parts being sleeved on outside mandrel are constituted, and the inside of cyclic annular module is connect by flat key with mandrel, therefore progressive
Ring-type module can synchronize rotation with mandrel when building mortion works；Mandrel is cylindrical shaft with the level, and both ends pass through described
Circular through hole on the side plate of rack；The outer surface of cyclic annular module is machined with corresponding with the required forming geometry of thin shell piece
Type groove；Upper roller die is located at the surface of lower roller die, and the mandrel of upper roller die, lower roller die is mutually parallel.
Guidance system includes two laterally disposed horizontal guide rollers and two vertical deflector rolls being disposed vertically, and two levels are led
Roller is located at the upper and lower side of plate blank, and two vertical deflector rolls are located at the left and right side of plate blank；Horizontal guide roller and
Vertical deflector roll is respectively positioned on plate blank can be to having become when progressive molding device works in the outlet side of progressive molding device
The plate blank surrounding of shape forms constraint, prevents plate blank from the phenomenon that warpage and sideslip occur.
Dynamical system and transmission system are located at the side of framework lateral plate, and dynamical system includes power supply system and motor, is passed
Dynamic system includes gear shift and transmission shaft；The motor of the dynamical system and the input terminal of transmission system connect, and pass
The output end of dynamic system is connect with the mandrel of roller die in roller die group, lower roller die.
Control system includes controlling the circuit system of progressive molding device operation；Control system can control dynamical system
Start, close, and together with transmission system on regulating roller module roller die, lower roll mold core axis velocity of rotation.
When progressive molding device is run, the kinetic energy that the motor of dynamical system provides is transmitted to roller die group by transmission system
On, drive the upper roller die of roller die group, lower roller die to carry out the rotation of opposite direction, while the cyclic annular module of upper roller die, lower roller die exists
The relative position being kept fixed in rotary course.
Non- uniform thickness thin shell piece progressive molding method provided by the invention based on rotating mould, includes the following steps：
(1) shape and size of formation of parts needed for analyzing determine allowance and pattern draft, increase technique supplement,
Obtain rolled piece figure；
(2) according to rolled piece figure, the design and manufacture of the cyclic annular module of roller die, lower roller die in completion；
(3) cyclic annular module is mounted on the mandrel of upper roller die, lower roller die；
(4) it according to rolled piece figure and by the size of isometric principle calculate flat board blank, sizes to obtain plate blank；
(5) one end of plate blank is put into entrance of the progressive molding device roller die group between upper roller die, lower roller die
Side；
(6) progressive molding device is run, upper roller die, lower roller die rotate and bite plate blank, utilize upper roller die, lower roller die
Cyclic annular module type groove to plate blank carry out sequence spreading, so that plate blank generation is gradually plastically deformed and is rolled
Part；According to product size and the size of production batch, the mode of operation that single-piece is sent into and more than one piece is continuously fed to may be used, and
Aligning and correcting are carried out using the horizontal guide roller and vertical guide roller pair plate blank of guidance system.
(7) plate blank after forming is taken out from the outlet side of progressive molding device, is added using wire cutting and cutting
The method of work is split plate blank, obtains single rolled piece；
(8) finishing and subsequent processing are carried out to rolled piece, obtains thin shell accessory.
Volume of the special forming technologies methods such as existing roll forging, cross wedge rolling based on rotary tool movement mainly for bar
Forming, and the flat sheet for then mainly producing uniform thickness is rolled, it is not related to non-uniform thickness thin shell piece of the present invention.It is relatively existing
Technology, the present invention have advantageous effect below：
Changed by the type groove of roller die group ring-type module, multiple types band raised rib, recessed trench or office can be obtained
The integrated thin shell accessory of the complexity of the non-uniform thickness feature such as portion's pillar (platform), abnormity and blank have traditional plastic forming production effect
The advantages such as rate and stock utilization are high, product mechanical property is good, had not only met requirements of mass production but also had had larger flexibility, applied
Range is wide；Since the plastic deformation of slab gradually carries out, shaping load is small, die life is high；Building mortion is only used
Electric power can be run, simple in structure, compact, and reliability is high.
Description of the drawings
Following further describes the present invention with reference to the drawings.
Fig. 1 is the schematic diagram of the non-uniform thickness thin shell piece progressive molding device based on rotating mould of the present invention；
Fig. 2 is the working portion schematic diagram of the non-uniform thickness thin shell piece progressive molding device based on rotating mould of the present invention；
Fig. 3 is the side sectional view of the progressive molding device of the present invention；
Fig. 4 is the base schematic diagram of the progressive molding device of the present invention；
Fig. 5 is the sectional view of the cyclic annular module of roller die group of the present invention；
Fig. 6 is the mandrel schematic diagram of the roller die group of the present invention；
Fig. 7 is the flow chart of the non-uniform thickness thin shell piece progressive molding method of the present invention；
Fig. 8 is the example of non-uniform thickness thin shell piece；
Fig. 9 is " when m- load " curve of the obtained non-two kinds of forming modes of uniform thickness thin shell piece example of finite element modelling.
In Fig. 1~Fig. 9,
The 8- controls of 1- mandrel 2- ring-type module 3- transmission system 4- dynamical system 5-plate blank 6- bottom plate 7- side plates
System 9- guidance systems processed
Specific implementation mode
Below by taking one with the box-like thin shell piece of local pillar (platform) non-uniform thickness geometric properties as an example, the present invention is done into one
The explanation of step.The material of the box-like thin shell piece be 6061 aluminium alloys, appearance and size 140mm*80mm*10mm, through the invention
Progressive molding device and method plate blank is formed to obtain product.
The progressive molding device include rack, roller die group, guidance system (9), dynamical system (4), transmission system (3),
Control system (8).Wherein, rack is made of bottom plate (6) and two side plates (7)；The bottom plate (6) is that horizontal positioned rectangle is thick
Plate, side plate (7) are the setting slab for being machined with circular through hole, and two side plates (7) are mutually parallel and lower end connects with bottom plate (6) fastening
It connects.Immediately ahead of device, bottom plate (6) and two side plates (7) constitute inverted " Π " shape.
Roller die group by between being mounted on two side plates (7) upper roller die and lower roller die constitute.The upper roller die, lower roller die are equal
There is mandrel (1) and is sleeved on the cyclic annular module (2) of mandrel (1) outside；Upper roller die is located at the surface of lower roller die, and upper roller die, under
The mandrel (1) of roller die is mutually parallel.Guidance system (9) is located at the outlet side of progressive molding device upper flat plate blank (5), including
Two laterally disposed horizontal guide rollers and two vertical deflector rolls being disposed vertically, can prevent formed plate blank (5) from going out
Existing warpage and sideslip.
The present embodiment uses the mode of operation of " single-piece feeding ", detailed process as follows：
(1) shape and size of formation of parts needed for analyzing determine allowance and pattern draft, increase technique supplement,
Obtain rolled piece figure；
(2) according to rolled piece figure, the design and manufacture of the cyclic annular module (2) of roller die, lower roller die in completion；
(3) cyclic annular module (2) is mounted on the mandrel (1) of upper roller die, lower roller die；
(4) according to rolled piece figure and by the size of isometric principle calculate flat board blank, processing obtains plate blank (5)；
(5) one end of plate blank (5) is put into the entrance side of the roller die group of progressive molding device, be located at upper roller die, under
Between roller die；
(6) run progressive molding device, upper roller die, lower roller die rotate and bite plate blank (5), using upper roller die, under
The cyclic annular module (2) of roller die carries out gradual spreading to plate blank (5), and plate blank (5) is made to generate gradual plastic deformation
And rolled piece is obtained, carry out aligning and correcting using the horizontal guide roller and vertical guide roller pair plate blank (5) of guidance system (9)；
(7) plate blank (5) after forming is taken out from the outlet side of progressive molding device, is added using wire cutting and cutting
Plate blank (5) is split by the method for work, obtains single rolled piece；
(8) finishing and subsequent processing are carried out to rolled piece, obtains thin shell accessory.
It is different from the overall deformation of " press forging and forming ", since the present invention is to make plate blank material generate gradual deformation to obtain most
Whole product, therefore shaping load can greatly reduce.By taking the non-uniform thickness box-like thin shell piece of the present embodiment as an example, Fig. 5 is finite element
" when m- load " curve of simulation shaped in the way of " press forging and forming " and the present invention, using the forming of " single-piece feeding "
Mode.As can be seen that the maximum shaping load of press forging and forming is 12000KN, and in the present invention, due to plate blank material be gradually into
Capable plastic deformation, maximum load is less than 11KN, therefore die life higher, equipment can be compacter.
In the present invention, by changing the upper roller die of roller die group, the type groove of lower roller die, a plurality of types of band offices can be obtained
The integrated thin shell accessory of the non-uniform thickness feature in portion not only has traditional plastic forming production efficiency and stock utilization height, product
Mechanical property is good, can greatly reduce the advantages such as machining amount, also has the characteristics that shaping load is small, has a wide range of application, can
Meet requirements of mass production and has larger flexibility.In addition, building mortion can only be run with electric power, simple in structure, compact,
Reliability is high, mechanization easy to implement, automated production.
Unspecified part of the present invention belongs to the common knowledge of those skilled in the art.
Claims (5)
1. a kind of non-uniform thickness thin shell piece progressive molding device based on rotating mould, which is characterized in that described device include rack,
Six roller die group, guidance system, dynamical system, transmission system and control system parts；
The rack includes bottom plate and two side plates, and bottom plate is the rectangular thick plate being horizontally arranged, and side plate is that centre is machined with circle
The slab that the setting of through-hole is placed, two side plates are mutually parallel and lower end is fastenedly connected with bottom plate, just from progressive molding device
Front sees that bottom plate and two side plates constitute inverted " Π " shape；
The roller die group includes the upper roller die and lower roller die between being mounted on two side plates；Upper roller die, lower roller die by mandrel and
The cyclic annular module two parts being sleeved on outside mandrel are constituted, and the inside of cyclic annular module is connect by flat key with mandrel；Mandrel is band step
Cylindrical shaft, both ends pass through the rack side plate on circular through hole；The outer surface of cyclic annular module is machined with and required forming
The corresponding type groove of geometry of thin shell piece；Upper roller die is located at the surface of lower roller die, and the mandrel phase of upper roller die, lower roller die
It is mutually parallel；
The guidance system includes two laterally disposed horizontal guide rollers and two vertical deflector rolls being disposed vertically, and two levels are led
Roller is located at the upper and lower side of plate blank, and two vertical deflector rolls are located at the left and right side of plate blank；Horizontal guide roller and
Vertical deflector roll is respectively positioned on plate blank in the outlet side of progressive molding device.
2. a kind of non-uniform thickness thin shell piece progressive molding device based on rotating mould as described in claim 1, which is characterized in that
When progressive molding device is run, the kinetic energy that the motor of dynamical system provides is transmitted to by transmission system in roller die group, is driven
Upper roller die, the lower roller die of roller die group carry out the rotation of opposite direction, while the cyclic annular module of upper roller die, lower roller die is in rotary course
In the relative position that is kept fixed.
3. a kind of non-uniform thickness thin shell piece progressive molding method based on rotating mould, which is characterized in that include the following steps：
(1) shape and size of formation of parts needed for analyzing determine allowance and pattern draft, increase technique supplement, obtain
Rolled piece figure；
(2) according to rolled piece figure, the design and manufacture of the cyclic annular module of roller die, lower roller die in completion；
(3) cyclic annular module is mounted on the mandrel of upper roller die, lower roller die；
(4) it according to rolled piece figure and by the size of isometric principle calculate flat board blank, sizes to obtain plate blank；
(5) one end of plate blank is put into entrance side of the progressive molding device roller die group between upper roller die, lower roller die；
(6) progressive molding device is run, upper roller die, lower roller die rotate and bite plate blank；
(7) plate blank after forming is taken out from the outlet side of progressive molding device, utilizes wire cutting and machining
Method is split plate blank, obtains single rolled piece；
(8) finishing and subsequent processing are carried out to rolled piece, obtains thin shell accessory.
4. a kind of non-uniform thickness thin shell piece progressive molding method based on rotating mould as claimed in claim 3, which is characterized in that
Using upper roller die, lower roller die cyclic annular module type groove to plate blank carry out sequence spreading, so that plate blank is generated gradual
It is plastically deformed and is obtained rolled piece, aligning and correcting are carried out using the horizontal guide roller and vertical guide roller pair plate blank of guidance system.
5. a kind of non-uniform thickness thin shell piece progressive molding method based on rotating mould as claimed in claim 3, which is characterized in that
According to product size and the size of production batch, the mode of operation that single-piece is sent into and more than one piece is continuously fed to may be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074516.9A CN108273904A (en) | 2018-01-25 | 2018-01-25 | Non- uniform thickness thin shell piece progressive molding apparatus and method based on rotating mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074516.9A CN108273904A (en) | 2018-01-25 | 2018-01-25 | Non- uniform thickness thin shell piece progressive molding apparatus and method based on rotating mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108273904A true CN108273904A (en) | 2018-07-13 |
Family
ID=62805235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810074516.9A Pending CN108273904A (en) | 2018-01-25 | 2018-01-25 | Non- uniform thickness thin shell piece progressive molding apparatus and method based on rotating mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108273904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508653A (en) * | 2019-07-19 | 2019-11-29 | 重庆大学 | A kind of roller rolling manufacturing process of rib plate |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD122925A5 (en) * | 1975-01-10 | 1976-11-12 | Mitsubishi Heavy Ind Ltd | KEIL CROSS ROLLING MACHINE |
| CN2294792Y (en) * | 1996-04-18 | 1998-10-21 | 冶金工业部北京冶金设备研究院 | Combined roller with self-locking device |
| CN2524848Y (en) * | 2002-03-04 | 2002-12-11 | 李聚良 | Roller ring composite roller |
| CN201186316Y (en) * | 2008-05-09 | 2009-01-28 | 马仁兴 | Double-face embossing machine |
| CN101947568A (en) * | 2010-09-16 | 2011-01-19 | 陕西黄河集团有限公司 | Multiple cold extrusion molding method of multi-cavity thin-shell part with non-uniform sections |
| CN202443806U (en) * | 2012-02-15 | 2012-09-19 | 无锡鑫宏业特塑线缆有限公司 | Scratching preventive assembly of stranded wire |
| CN202741528U (en) * | 2012-06-28 | 2013-02-20 | 杭州佳诺滤清器有限公司 | Pressure tank device of filter shell |
| JP2013152941A (en) * | 2013-03-14 | 2013-08-08 | Nissan Motor Co Ltd | Method and apparatus of manufacturing metal separator for fuel cell |
| CN203343175U (en) * | 2013-06-21 | 2013-12-18 | 中钢集团邢台机械轧辊有限公司 | Horizontal roll of universal rolling mill |
| CN204052505U (en) * | 2014-07-04 | 2014-12-31 | 江西亚菲达铜业有限公司 | A kind of copper coin book joint setting machine |
| CN204307999U (en) * | 2014-12-08 | 2015-05-06 | 绥阳县耐环铝业有限公司 | Aluminium sheet roll mill |
| CN105598235A (en) * | 2014-11-20 | 2016-05-25 | 天津海德浩天科技发展有限公司 | A corrugated plate leading-out device |
| CN205414101U (en) * | 2016-03-17 | 2016-08-03 | 滁州市精华模具制造有限公司 | But automatically regulated's refrigerator door shell rolling press device |
| CN205701855U (en) * | 2016-02-18 | 2016-11-23 | 付强 | A kind of backing roll |
| CN206083476U (en) * | 2016-10-21 | 2017-04-12 | 浙江钰信钢铁有限公司 | Flat -bed machine is left to deflector roll adjustable |
| CN107186063A (en) * | 2017-06-20 | 2017-09-22 | 重庆大学 | Integral panel rib die mould and bending integral forming method based on roll-in |
| CN107537874A (en) * | 2016-06-29 | 2018-01-05 | 重庆芸利五金制造股份有限公司 | Roll forging device |
-
2018
- 2018-01-25 CN CN201810074516.9A patent/CN108273904A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD122925A5 (en) * | 1975-01-10 | 1976-11-12 | Mitsubishi Heavy Ind Ltd | KEIL CROSS ROLLING MACHINE |
| CN2294792Y (en) * | 1996-04-18 | 1998-10-21 | 冶金工业部北京冶金设备研究院 | Combined roller with self-locking device |
| CN2524848Y (en) * | 2002-03-04 | 2002-12-11 | 李聚良 | Roller ring composite roller |
| CN201186316Y (en) * | 2008-05-09 | 2009-01-28 | 马仁兴 | Double-face embossing machine |
| CN101947568A (en) * | 2010-09-16 | 2011-01-19 | 陕西黄河集团有限公司 | Multiple cold extrusion molding method of multi-cavity thin-shell part with non-uniform sections |
| CN202443806U (en) * | 2012-02-15 | 2012-09-19 | 无锡鑫宏业特塑线缆有限公司 | Scratching preventive assembly of stranded wire |
| CN202741528U (en) * | 2012-06-28 | 2013-02-20 | 杭州佳诺滤清器有限公司 | Pressure tank device of filter shell |
| JP2013152941A (en) * | 2013-03-14 | 2013-08-08 | Nissan Motor Co Ltd | Method and apparatus of manufacturing metal separator for fuel cell |
| CN203343175U (en) * | 2013-06-21 | 2013-12-18 | 中钢集团邢台机械轧辊有限公司 | Horizontal roll of universal rolling mill |
| CN204052505U (en) * | 2014-07-04 | 2014-12-31 | 江西亚菲达铜业有限公司 | A kind of copper coin book joint setting machine |
| CN105598235A (en) * | 2014-11-20 | 2016-05-25 | 天津海德浩天科技发展有限公司 | A corrugated plate leading-out device |
| CN204307999U (en) * | 2014-12-08 | 2015-05-06 | 绥阳县耐环铝业有限公司 | Aluminium sheet roll mill |
| CN205701855U (en) * | 2016-02-18 | 2016-11-23 | 付强 | A kind of backing roll |
| CN205414101U (en) * | 2016-03-17 | 2016-08-03 | 滁州市精华模具制造有限公司 | But automatically regulated's refrigerator door shell rolling press device |
| CN107537874A (en) * | 2016-06-29 | 2018-01-05 | 重庆芸利五金制造股份有限公司 | Roll forging device |
| CN206083476U (en) * | 2016-10-21 | 2017-04-12 | 浙江钰信钢铁有限公司 | Flat -bed machine is left to deflector roll adjustable |
| CN107186063A (en) * | 2017-06-20 | 2017-09-22 | 重庆大学 | Integral panel rib die mould and bending integral forming method based on roll-in |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508653A (en) * | 2019-07-19 | 2019-11-29 | 重庆大学 | A kind of roller rolling manufacturing process of rib plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100391647C (en) | Hot press-forging formation method for magnesium alloy thin shells, and special mould therefor | |
| CN106624652A (en) | Rotary forging forming method for metal circular plate | |
| CN104070129B (en) | Hot extrusion forging die for pipe with flange and deep blind taper hole shaft and forging technology thereof | |
| CN1935409A (en) | Die forging process for manufacturing sputtering target and its dic-forging-extruding die | |
| CN106734464A (en) | A kind of Novel sheet metal part Sheet Metal Forming Technology | |
| CN102335806A (en) | Mobile phone shield plate forming method and process equipment | |
| CN201768810U (en) | Bending die for wiring terminal stamping parts of low-voltage electrical apparatus | |
| CN110588037A (en) | Stamping device for casting machining | |
| CN101147935A (en) | Cambered wallboard forming method for space box shape twisted component | |
| CN108273904A (en) | Non- uniform thickness thin shell piece progressive molding apparatus and method based on rotating mould | |
| CN105057465B (en) | A kind of thin-wall part mould and thin-wall part machining method | |
| CN204912477U (en) | Stamping die is connected to shell fragment | |
| CN207952517U (en) | A kind of anti-deformation mold that presses of rapid shaping | |
| CN106156446A (en) | Plastic forming process energy consumption analysis method based on numerical simulation | |
| CN101856699A (en) | Process for producing shielding case | |
| CN109465369A (en) | The looping mill rolling molding machine that heteromorphic connector single-piece entirety looping mill rolling is bent | |
| CN106670364A (en) | Variable-section thin-wall stainless steel hemisphere seal forming method | |
| CN211248136U (en) | Vertical high-efficient mould frock of forging of duplicate gear part | |
| Balakrishnan et al. | Design of the multi-stage progressive tool for blanking a sheet metal component | |
| CN102173075A (en) | Mechanical servo press | |
| CN209021055U (en) | A kind of stamping die for saving material | |
| CN101259504A (en) | Stamping die, stamping forming method and product made by the stamping forming method | |
| CN201336616Y (en) | Single-trough machine mould capable of simultaneously punching stator trough, internal circle and outer circle of motor | |
| CN207170691U (en) | A kind of reference plane recoverable mould for car inner plate part punching press | |
| CN110722084A (en) | Forging and pressing die for forging sliding gear part and working method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180713 |
|
| WD01 | Invention patent application deemed withdrawn after publication |