CN105964780A - Drawing process and equipment for tank body of fire extinguisher - Google Patents
Drawing process and equipment for tank body of fire extinguisher Download PDFInfo
- Publication number
- CN105964780A CN105964780A CN201610303432.9A CN201610303432A CN105964780A CN 105964780 A CN105964780 A CN 105964780A CN 201610303432 A CN201610303432 A CN 201610303432A CN 105964780 A CN105964780 A CN 105964780A
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- stretching
- die
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- pedestal
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Classifications
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- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
-
- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a drawing process for a tank body of a fire extinguisher. The drawing process comprises the following steps: 1) loading; 2) material dropping; 3) drawing; 4) station converting; 5) reverse drawing; and 6) blanking. The invention further discloses drawing equipment for the tank body of the fire extinguisher. The drawing equipment comprises a pneumatic system, a fully-automatic drawing device and a reverse drawing device, wherein the fully-automatic drawing device and the reverse drawing device are controlled by the pneumatic system. According to the drawing process and the drawing equipment for the tank body of the fire extinguisher disclosed by the invention, the equipment is advanced, is high in degree of automation, and can greatly reduce process steps and mould conversion, improves the precision and improves the efficiency.
Description
Technical field
The present invention relates to mechanical equipment technical field, particularly to a kind of fire extinguisher tank drawing process and equipment thereof.
Background technology
Traditional fire extinguisher tank body processing technology typically uses first blanking, redraws, the process of trimming boring completes the most again, need the mould using many sets different in this process, i.e. blanking die, stretching die, and stretch needs point and complete several times, to switch different moulds every time, not only increase labor strength, and production efficiency is low, it is impossible to meet the needs of batch production, add production cost simultaneously.
Mould has been a kind of specific purpose tool of punching stretch operation, is indispensable technique dress.Existing fire extinguisher tank process equipment, workpiece can only be carried out respectively punching press and stretching, and one-off drawing can only be carried out every time, if workpiece needs multi-drawing, only workpiece is taken out and carry out stretching for the second time by feeding, further take out feeding again and carry out stretching for the third time, it is disadvantageous in that workpiece takes out feeding more back and forth and redraws, inefficiency and likely disfiguring workpiece, the more difficult assurance of feeding degree of accuracy, easily produce the phenomenon pulling workpiece.
Summary of the invention
The technical issues that need to address of the present invention are that existing fire extinguisher tank drawing process and device efficiency are low, and machining accuracy is the lowest, it is impossible to adapt to batch demand and the accuracy requirement of large-scale production.
For solving above-mentioned technical problem, the invention provides a kind of fire extinguisher tank drawing process, comprise the following steps:
1) feeding: be first installed on runner by the plate of rolling, first passes through plate one end coalignment and carries out alignment, then be sent to the charging aperture of full-automatic stretching device；
2) blanking: first plate is carried out blanking on full-automatic stretching device, generally circular in shape；
3) stretching: on full-automatic stretching device, circular blanking is carried out twice stretching, forms stretching stock；
4) conversion station: utilize mechanical arm to be placed on negative drawing device after stretching stock rotation turnback；
5) negative drawing: on negative drawing device, stretching stock is carried out reverse draw forming, form tank body；
6) blanking: utilize mechanical arm to be taken off by molding tank body, it is achieved discharging.
Wherein, in step 3, full-automatic stretching device first passes through punching press upper mold and is pressed downward against always, coordinate with punching press upper mold and stretching convex die and stretched for the first time, then punching press upper mold upwards return, succeeding stretch punch presses up, stretch die on one and succeeding stretch punch has coordinated ground succeeding stretch, the downward return of succeeding stretch punch, finally upper stretching die upwards return, the internal expansion link of upper stretching die withstands stretching stock discharging.
The fire extinguisher tank drawing process of the present invention, utilize full-automatic stretching device, make punching press, first stretching and second stretching molding simultaneously, and between full-automatic stretching device and negative drawing device and the discharging link of negative drawing device arranges mechanical arm travelling workpiece, it is achieved that the full-automation of whole technique, improve precision, improve efficiency, saving the time, drawing effect is good simultaneously, and ratio of briquetting is high.
nullPresent invention also offers a kind of fire extinguisher tank stretcher，Including pneumatic system、Full-automatic stretching device and negative drawing device，Full-automatic stretching device and negative drawing device is controlled by pneumatic system，Described full-automatic stretching device includes pedestal and the top board that horizontal parallel arranges，Multiple vertical connection post it is provided with between pedestal and top board，It is provided with moveable pressing plate on post connecting，Connect below pressing plate and have circular punching press upper mold，It is internally provided with stretching die in circular punching press upper mold，Upwards flexible expansion link it is provided with in the middle of upper stretching die，It is connected to inside upper stretching die by spring above described expansion link，Wherein upper stretching die is fixed on pressing plate，Can relative move up and down between punching press upper mold with upper stretching die，Punching press upper mold with on stretch and be provided with stamping cavity die on the pedestal below die，It is connected to stretching convex die in stamping cavity die intermediate sleeve，Succeeding stretch punch also it is socketed with inside stretching convex die，Wherein stretching convex die is fixed on pedestal，Stamping cavity die can move up and down less than the position of stretching convex die height outside stretching convex die，Succeeding stretch punch can move up and down higher than the position of stretching convex die height inside stretching convex die，Its center platen、Punching press upper mold、Stamping cavity die and succeeding stretch punch are respectively by pneumatic system control.The fire extinguisher tank stretcher of the present invention, whole equipment provides power by pneumatic system, pneumatic system controls full-automatic stretching device and negative drawing device respectively, it is achieved full automation, and the coordination of equipment each station, improve efficiency.Wherein full-automatic stretching device can be stretching on an equipment one-body molded with punching press, first stretching and second, improves efficiency, has saved cost, reduces error.
Stroke guider it is additionally provided with between pressing plate and pedestal.Stroke guider improves the quality of fit between upper and lower mould, and stroke guider is provided with spring, and both available buffer guided, and can assist again pressing plate return.
nullWherein，Described negative drawing device includes the second pedestal and the second top board that horizontal parallel arranges，Multiple the second vertical connection post it is provided with between the second pedestal and the second top board，Connect second and be provided with moveable second pressing plate on post，Connect below the second pressing plate and have reverse-drawing die，Reverse-drawing punch it is provided with below reverse-drawing die，Reverse-drawing punch is fixed on the second pedestal，It is provided above placement platform at reverse-drawing punch，And position corresponding with reverse-drawing punch on placement platform is provided with through hole，Placement platform is positioned at below the second pressing plate，And it is arranged on the vertical bar being fixed on the second pedestal，Placement platform can move up and down along vertical bar，Below the second pressing plate, vertical bar correspondence position is provided with location bar，Discharging push rod it is additionally provided with below placement platform，Wherein the second pressing plate and discharging push rod are respectively by pneumatic system control.Negative drawing device is by pneumatic system control; reverse-drawing punch and reverse-drawing die is utilized to cooperate; wherein clear size of opening is more than the external diameter of reverse-drawing punch; external diameter less than reverse-drawing die; after structure arranges advantages of simple, and placement platform is pressed under with reverse-drawing die, by discharging push rod jack-up after reverse-drawing die return; tank body stretching completed is jack-up from reverse-drawing punch, it is simple to discharging.
It is additionally provided with multiple mechanical arm, mechanical arm is utilized to be gripped to negative drawing device from full-automatic stretching device by workpiece, utilize mechanical arm that workpiece carries out from negative drawing device discharging, described mechanical arm include two can the circular arc jig arm of opening and closing, two circular arc jig arm are rotatably connected on telescopic arm, described telescopic arm is arranged on turntable, wherein said turntable Height Adjustable.The setting of mechanical arm, had both improve precision, had also improved efficiency, whole equipment is made to realize full-automation, and the turntable height of mechanical arm can regulate, height can be controlled to adjust by pneumatic system, in order to adapt to the height requirement of each processing step distinct device.
The fire extinguisher tank drawing process of the present invention and equipment thereof, equipment is advanced, and automaticity is high, can the few process of letter and the conversion of mould significantly, improve precision, improve efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the full-automatic stretching device structural representation of the present invention；
Fig. 3 is the negative drawing apparatus structure schematic diagram of the present invention；
Fig. 4 is the mechanical arm structural representation of the present invention；
Wherein, 1-pedestal, 2-top board, 3-connects post, 4-pressing plate, 5-punching press upper mold, 6-stretches die, 7-expansion link, 8-spring, 9-stamping cavity die, 10-stretches die, 11-succeeding stretch die, 12-stroke guider, 13-the second pedestal, 14-the second top board, 15-second connects post, 16-the second pressing plate, 17-negative drawing die, 18-negative drawing punch, 19-placement platform, 20-through hole, the vertical bar of 21-, 22-positions bar, 23-discharging push rod, 24-circular arc jig arm, 25-telescopic arm, 26-turntable.
Detailed description of the invention
Describe the preferred technical solution of the present invention below in conjunction with the accompanying drawings in detail.
The fire extinguisher tank drawing process of the present invention, comprises the following steps:
1) feeding: be first installed on runner by the plate of rolling, first passes through plate one end coalignment and carries out alignment, then be sent to the charging aperture of full-automatic stretching device；
2) blanking: first plate is carried out blanking on full-automatic stretching device, generally circular in shape；
3) stretching: on full-automatic stretching device, circular blanking is carried out twice stretching, forms stretching stock；
4) conversion station: utilize mechanical arm to be placed on negative drawing device after stretching stock rotation turnback；
5) negative drawing: on negative drawing device, stretching stock is carried out reverse draw forming, form tank body；
6) blanking: utilize mechanical arm to be taken off by molding tank body, it is achieved discharging.
Wherein, in step 3, full-automatic stretching device first passes through punching press upper mold and is pressed downward against always, coordinate with punching press upper mold and stretching convex die and stretched for the first time, then punching press upper mold upwards return, succeeding stretch punch presses up, stretch die on one and succeeding stretch punch has coordinated ground succeeding stretch, the downward return of succeeding stretch punch, finally upper stretching die upwards return, the internal expansion link of upper stretching die withstands stretching stock discharging.
The fire extinguisher tank drawing process of the present invention, utilize full-automatic stretching device, make punching press, first stretching and second stretching molding simultaneously, and between full-automatic stretching device and negative drawing device and the discharging link of negative drawing device arranges mechanical arm travelling workpiece, it is achieved that the full-automation of whole technique, improve precision, improve efficiency, saving the time, drawing effect is good simultaneously, and ratio of briquetting is high.
nullThe fire extinguisher tank stretcher of the present invention，Including pneumatic system、Full-automatic stretching device and negative drawing device，Full-automatic stretching device and negative drawing device is controlled by pneumatic system，Described full-automatic stretching device includes pedestal 1 and the top board 2 that horizontal parallel arranges，Multiple vertical connection post 3 it is provided with between pedestal 1 and top board 2，It is provided with moveable pressing plate 4 on post 3 connecting，Connect below pressing plate 4 and have circular punching press upper mold 5，It is internally provided with stretching die 6 in circular punching press upper mold 5，Upwards flexible expansion link 7 it is provided with in the middle of upper stretching die 6，It is connected to stretching die 6 by spring 8 internal above described expansion link 7，Wherein upper stretching die 6 is fixed on pressing plate 4，Can relative move up and down between punching press upper mold 5 with upper stretching die 6，Punching press upper mold 5 with on stretch and be provided with stamping cavity die 9 on the pedestal 1 below die 6，It is connected to stretching convex die 10 in stamping cavity die 9 intermediate sleeve，Succeeding stretch punch 11 also it is socketed with inside stretching convex die 10，Wherein stretching convex die 10 is fixed on pedestal 1，Stamping cavity die 9 can move up and down less than the position of stretching convex die 10 height outside stretching convex die 10，Succeeding stretch punch 11 can move up and down higher than the position of stretching convex die 10 height inside stretching convex die 10，Its center platen 4、Punching press upper mold 5、Stamping cavity die 9 and succeeding stretch punch 11 are respectively by pneumatic system control，Stroke guider 12 it is additionally provided with between pressing plate 4 and pedestal 1.
nullWherein，Described negative drawing device includes the second pedestal 13 and the second top board 14 that horizontal parallel is arranged，Multiple the second vertical connection post 15 it is provided with between the second pedestal 13 and the second top board 14，Connect second and be provided with moveable second pressing plate 16 on post 15，Connect below the second pressing plate 16 and have reverse-drawing die 17，Reverse-drawing punch 18 it is provided with below reverse-drawing die 17，Reverse-drawing punch 18 is fixed on the second pedestal 13，It is provided above placement platform 19 at reverse-drawing punch 18，And position corresponding with reverse-drawing punch 18 on placement platform 19 is provided with through hole 20，Placement platform 19 is positioned at below the second pressing plate 16，And it is arranged on the vertical bar 21 being fixed on the second pedestal 13，Placement platform 19 can move up and down along vertical bar 21，It is provided with location bar 11 with vertical bar 21 correspondence position below the second pressing plate 16，Discharging push rod 23 it is additionally provided with below placement platform 19，Wherein the second pressing plate 16 and discharging push rod 23 are respectively by pneumatic system control.
It is additionally provided with multiple mechanical arm, mechanical arm is utilized to be gripped to negative drawing device from full-automatic stretching device by workpiece, utilize mechanical arm that workpiece carries out from negative drawing device discharging, described mechanical arm include two can the circular arc jig arm 24 of opening and closing, two circular arc jig arm 24 are rotatably connected on telescopic arm 25, described telescopic arm 25 is arranged on turntable 26, wherein said turntable 26 Height Adjustable.
The fire extinguisher tank stretcher of the present invention, whole equipment provides power by pneumatic system, pneumatic system controls full-automatic stretching device and negative drawing device respectively, it is achieved full automation, and the coordination of equipment each station, improve efficiency.Wherein full-automatic stretching device can be stretching on an equipment one-body molded with punching press, first stretching and second, improves efficiency, has saved cost, reduces error.
Stroke guider improves the quality of fit between upper and lower mould, and stroke guider is provided with spring, and both available buffer guided, and can assist again pressing plate return.
Negative drawing device is by pneumatic system control; reverse-drawing punch and reverse-drawing die is utilized to cooperate; wherein clear size of opening is more than the external diameter of reverse-drawing punch; external diameter less than reverse-drawing die; after structure arranges advantages of simple, and placement platform is pressed under with reverse-drawing die, by discharging push rod jack-up after reverse-drawing die return; tank body stretching completed is jack-up from reverse-drawing punch, it is simple to discharging.
The setting of mechanical arm, had both improve precision, had also improved efficiency, whole equipment is made to realize full-automation, and the turntable height of mechanical arm can regulate, height can be controlled to adjust by pneumatic system, in order to adapt to the height requirement of each processing step distinct device.
The fire extinguisher tank drawing process of the present invention and equipment thereof, equipment is advanced, and automaticity is high, can the few process of letter and the conversion of mould significantly, improve precision, improve efficiency.
Claims (7)
1. a fire extinguisher tank drawing process, it is characterised in that comprise the following steps:
1) feeding: be first installed on runner by the plate of rolling, first passes through plate one end coalignment and carries out alignment, then be sent to the charging aperture of full-automatic stretching device；
2) blanking: first plate is carried out blanking on full-automatic stretching device, generally circular in shape；
3) stretching: on full-automatic stretching device, circular blanking is carried out twice stretching, forms stretching stock；
4) conversion station: utilize mechanical arm to be placed on negative drawing device after stretching stock rotation turnback；
5) negative drawing: on negative drawing device, stretching stock is carried out reverse draw forming, form tank body；
6) blanking: utilize mechanical arm to be taken off by molding tank body, it is achieved discharging.
2. fire extinguisher tank drawing process as claimed in claim 1, it is characterized in that: in step 3, full-automatic stretching device first passes through punching press upper mold and is pressed downward against always, coordinate with punching press upper mold and stretching convex die and stretched for the first time, then punching press upper mold upwards return, succeeding stretch punch presses up, stretch die on one and succeeding stretch punch has coordinated ground succeeding stretch, the downward return of succeeding stretch punch, finally upper stretching die upwards return, the internal expansion link of upper stretching die withstands stretching stock discharging.
null3. fire extinguisher tank stretcher as claimed in claim 2，It is characterized in that: include pneumatic system、Full-automatic stretching device and negative drawing device，Full-automatic stretching device and negative drawing device is controlled by pneumatic system，Described full-automatic stretching device includes pedestal and the top board that horizontal parallel arranges，Multiple vertical connection post it is provided with between pedestal and top board，It is provided with moveable pressing plate on post connecting，Connect below pressing plate and have circular punching press upper mold，It is internally provided with stretching die in circular punching press upper mold，Upwards flexible expansion link it is provided with in the middle of upper stretching die，It is connected to inside upper stretching die by spring above described expansion link，Wherein upper stretching die is fixed on pressing plate，Can relative move up and down between punching press upper mold with upper stretching die，Punching press upper mold with on stretch and be provided with stamping cavity die on the pedestal below die，It is connected to stretching convex die in stamping cavity die intermediate sleeve，Succeeding stretch punch also it is socketed with inside stretching convex die，Wherein stretching convex die is fixed on pedestal，Stamping cavity die can move up and down less than the position of stretching convex die height outside stretching convex die，Succeeding stretch punch can move up and down higher than the position of stretching convex die height inside stretching convex die，Its center platen、Punching press upper mold、Stamping cavity die and succeeding stretch punch are respectively by pneumatic system control.
4. fire extinguisher tank stretcher as claimed in claim 3, it is characterised in that: between pressing plate and pedestal, it is additionally provided with stroke guider.
null5. the fire extinguisher tank stretcher as described in claim 3 or 4，It is characterized in that: described negative drawing device includes the second pedestal and the second top board that horizontal parallel arranges，Multiple the second vertical connection post it is provided with between the second pedestal and the second top board，Connect second and be provided with moveable second pressing plate on post，Connect below the second pressing plate and have reverse-drawing die，Reverse-drawing punch it is provided with below reverse-drawing die，Reverse-drawing punch is fixed on the second pedestal，It is provided above placement platform at reverse-drawing punch，And position corresponding with reverse-drawing punch on placement platform is provided with through hole，Placement platform is positioned at below the second pressing plate，And it is arranged on the vertical bar being fixed on the second pedestal，Placement platform can move up and down along vertical bar，Below the second pressing plate, vertical bar correspondence position is provided with location bar，Discharging push rod it is additionally provided with below placement platform，Wherein the second pressing plate and discharging push rod are respectively by pneumatic system control.
6. fire extinguisher tank stretcher as claimed in claim 5, it is characterized in that: be additionally provided with multiple mechanical arm, mechanical arm is utilized to be gripped to negative drawing device from full-automatic stretching device by workpiece, utilize mechanical arm that workpiece carries out from negative drawing device discharging, described mechanical arm include two can the circular arc jig arm of opening and closing, two circular arc jig arm are rotatably connected on telescopic arm, and described telescopic arm is arranged on turntable.
7. fire extinguisher tank stretcher as claimed in claim 6, it is characterised in that: described turntable Height Adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303432.9A CN105964780B (en) | 2016-05-10 | 2016-05-10 | Fire extinguisher tank drawing process and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303432.9A CN105964780B (en) | 2016-05-10 | 2016-05-10 | Fire extinguisher tank drawing process and its equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105964780A true CN105964780A (en) | 2016-09-28 |
| CN105964780B CN105964780B (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610303432.9A Active CN105964780B (en) | 2016-05-10 | 2016-05-10 | Fire extinguisher tank drawing process and its equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213166A (en) * | 2018-01-08 | 2018-06-29 | 伟业精密科技（惠州）有限公司 | Air-cushion inflator housing negative drawing technique |
| CN112296155A (en) * | 2019-07-30 | 2021-02-02 | 中集安瑞环科技股份有限公司 | Seal head forming die and seal head forming method |
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| JP2005034899A (en) * | 2003-07-18 | 2005-02-10 | Matsunaga Seisakusho:Kk | Deep-drawing method and deep-drawing cylindrical vessel |
| CN101244439A (en) * | 2008-02-29 | 2008-08-20 | 西安交通大学 | Design method for mechanical-hydraulic auxiliary reverse redrawing mold |
| CN202845599U (en) * | 2012-10-17 | 2013-04-03 | 广东韩江轻工机械有限公司 | Forming modular die of metal seamless tin punching shear and succeeding stretch |
| CN204182779U (en) * | 2014-02-24 | 2015-03-04 | 宣城金盾防火设备有限公司 | A kind of blanking and drawing composite die tool of fire extinguisher cylinder body |
| CN204503907U (en) * | 2015-02-28 | 2015-07-29 | 中山市八达机器制造有限公司 | A kind of No. three stretching-machines |
| CN105107922A (en) * | 2015-08-06 | 2015-12-02 | 李侨志 | Barrel stretch forming process and barrel manufactured by process |
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|---|---|---|---|---|
| JP2005034899A (en) * | 2003-07-18 | 2005-02-10 | Matsunaga Seisakusho:Kk | Deep-drawing method and deep-drawing cylindrical vessel |
| CN101244439A (en) * | 2008-02-29 | 2008-08-20 | 西安交通大学 | Design method for mechanical-hydraulic auxiliary reverse redrawing mold |
| CN202845599U (en) * | 2012-10-17 | 2013-04-03 | 广东韩江轻工机械有限公司 | Forming modular die of metal seamless tin punching shear and succeeding stretch |
| CN204182779U (en) * | 2014-02-24 | 2015-03-04 | 宣城金盾防火设备有限公司 | A kind of blanking and drawing composite die tool of fire extinguisher cylinder body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213166A (en) * | 2018-01-08 | 2018-06-29 | 伟业精密科技（惠州）有限公司 | Air-cushion inflator housing negative drawing technique |
| CN112296155A (en) * | 2019-07-30 | 2021-02-02 | 中集安瑞环科技股份有限公司 | Seal head forming die and seal head forming method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105964780B (en) | 2018-09-21 |
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