CN109622787A - A kind of mold for pipe fitting expanding - Google Patents
A kind of mold for pipe fitting expanding Download PDFInfo
- Publication number
- CN109622787A CN109622787A CN201910089798.4A CN201910089798A CN109622787A CN 109622787 A CN109622787 A CN 109622787A CN 201910089798 A CN201910089798 A CN 201910089798A CN 109622787 A CN109622787 A CN 109622787A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- punch
- pin
- mold
- cavity plate
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- 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
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D45/02—Ejecting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a kind of molds for pipe fitting expanding, it is related to technical field of mold, it solves common pipe fitting to be easy that clamping occurs with staking punch, pipe fitting after clamping needs to expend a large amount of time and efforts of worker in demoulding, the problem of processing efficiency of enterprise can be greatly reduced in large batch of pipe fitting to be processed, its key points of the technical solution are that, die ontology is equipped between cope plate and lower template, die ontology includes punch-pin and cavity plate, is fixed with staking punch on punch-pin；The stripper plate with punch-pin elastic connection is slidably connected between punch-pin and cavity plate；Cavity plate offers processing through-hole along the axial direction of staking punch；Third guide post is equipped between cavity plate and lower template, the outer wall of third guide post slidably connects die pad, and die pad is equipped with mold core, and core slide is connected in processing through-hole.Reach the automatic demoulding by realizing pipe fitting, both can also be convenient for improving the purpose of pipe fitting expanding yields convenient for improving the efficiency that high-volume pipe fitting expanding is processed.
Description
Technical field
The present invention relates to technical field of mold, in particular to a kind of mold for pipe fitting expanding.
Background technique
Channel of the pipeline as pumped (conveying) medium, is widely used in petrochemical industry, instrument, space flight, chemical industry, electric power, cement, metallurgy
Etc. industries, have irreplaceable role in the fields such as medium conveying, electric power threading, lathe, household electrical appliances.But the open end of pipeline
When being fixedly connected, just need to be attached using connector without the pipeline of flaring, with flaring pipeline can direct abutting joint,
It is used without additionally increasing connector, saves the installation cost of pipeline.
As shown in figure 4, in the expanding that "-" type leads directly to pipe fitting, because the structure of such pipe fitting is simple, Gong Renchang
It is directly squeezed with end of the staking punch of stamping equipment to pipe fitting, and then completes the expanding of pipe fitting.But flaring die
After completing single process process, pipe fitting is easy that clamping occurs with staking punch tool, and the pipe fitting after clamping needs to expend in demoulding
The processing efficiency of enterprise can be greatly reduced in a large amount of time and efforts of worker, large batch of pipe fitting to be processed, increase enterprise and add
The production cost of work manufacture.
Summary of the invention
The object of the present invention is to provide a kind of mold for pipe fitting expanding, there is the automatic demoulding by realizing pipe fitting,
Both the advantages of improving pipe fitting expanding yields can be also convenient for convenient for improving the efficiency that high-volume pipe fitting expanding is processed.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of mould for pipe fitting expanding
Tool is equipped between the cope plate and lower template including cope plate that can be close to each other and lower template and is used for molding mold sheet
Body, die ontology include mutually matched punch-pin and cavity plate, and the punch-pin is fixed on cope plate, is fixed on punch-pin along vertical
The staking punch that direction is arranged towards cavity plate；The cavity plate is fixed in lower template, several edges are equipped between the punch-pin and cavity plate
Vertical direction and second guide post uniformly distributed around staking punch, the outer wall of the second guide post slidably connect de- with punch-pin elastic connection
Flitch；The cavity plate offers processing through-hole along the axial direction of staking punch；Several edges are equipped between the cavity plate and lower template
Vertical direction simultaneously surrounds the uniformly distributed third guide post of staking punch, and the outer wall of third guide post slidably connects and lower template elastic connection
Die pad, die pad are equipped with the mold core for installing pipe fitting, and core slide is connected in processing through-hole.
By using above-mentioned technical proposal, pipe fitting is mounted on mold core first；It is then turned on stamping equipment, at this time
Cope plate is moved downward by will drive punch-pin after external force along vertical direction；Since staking punch is used for pipe fitting expanding,
Therefore the diameter of pipe fitting end is had a diameter larger than, the staking punch on punch-pin can contact at the end of pipe fitting, and axially
A distance is continued to move to, deformation occurs by meeting after the extruding of staking punch for the end of pipe fitting, and then the flaring for completing pipe fitting adds
Work；In pipe fitting demoulding, driving die pad first jacks up upwards, so that pipe fitting moves up a distance and is clamped in staking punch
Outer wall, and then, driving stripper plate slide downward is until push away staking punch for pipe fitting, and then complete the stripping process of pipe fitting.
By the cooperation of die pad and stripper plate, so that the pipe fitting demoulding efficiency after processing effectively improves, it is large quantities of in order to improve
The efficiency of buret part expanding, and then convenient for improving the production efficiency of enterprise.
The further setting of the present invention is fixed with several position-limiting tubes being connected with processing through-hole on the cavity plate.
By using above-mentioned technical proposal, after position-limiting tube is connected with processing through-hole, can be both flared convenient for improving pipe fitting
Preceding positioning accuracy can also be convenient for the installation and fixation of pipe fitting, be not easy pipe fitting during being squeezed and deformed by staking punch
Positional shift occurs, and then convenient for improving the yields of pipe fitting expanding.
The further setting of the present invention is evenly equipped with the first elasticity of quantity at least two between the punch-pin and stripper plate
Part, the punch-pin are connect with stripper plate by the first elastic component.
The further setting of the present invention, first elastic component are along the vertical direction and uniformly distributed around staking punch.
By using above-mentioned technical proposal, the first elastic component can be multiple convenient for elasticity of the stripper plate after the de- material for completing pipe fitting
Position；When the staking punch on punch-pin contradicts on cavity plate, stripper plate can be squeezed and deformed the first elastic component；When staking punch from
After opening cavity plate, stripper plate will receive the effect of the first elastic component, complete automatic demoulding to the pipe fitting being clamped on staking punch, so as to
In the demoulding efficiency for improving pipe fitting, and then improve the processing efficiency of pipe fitting expanding.
The further setting of the present invention is evenly equipped with the second bullet of quantity at least two between the die pad and lower template
Property part, the die pad are connect with lower template by the second elastic component.
The further setting of the present invention, second elastic component are along the vertical direction and uniformly distributed around staking punch.
By using above-mentioned technical proposal, when the staking punch on punch-pin contradicts the mold core on cavity plate, die pad can be right
Second elastic component is squeezed and deformed；After pipe fitting completes expanding, the second elastic component meeting acting in opposition die pad pushes up at this time
Pipe fitting in flitch driving mold core is jacked up upwards until the outer wall of staking punch is clamped in, so that pipe fitting is able to be clamped in staking punch
On, in order to which pipe fitting is completed to demould by stripper plate, and then improve the demoulding efficiency of pipe fitting.
The further setting of the present invention, the cavity plate are fixed with corresponding with the second guide post position close to the end face of the second guide post
Limited block, second guide post is slidably connected in limited block.
By using above-mentioned technical proposal, the avoidable stripper plate of limited block slides into collide with cavity plate, in order to improve
The service life of mold.
The outer profile of the further setting of the present invention, the staking punch is in the form of a column, and the staking punch is farthest away from the end of punch-pin
The diameter in portion tapers off trend along punch-pin to cavity plate direction.
By using above-mentioned technical proposal, it can be used for the inside that staking punch slides into pipe fitting, to reduce because staking punch contacts at
The probability of the deformation of pipe fitting caused by pipe fitting end face, both can be convenient for the yields of raising pipe fitting expanding, can also be convenient for raising processing
Efficiency.
The outer profile of the further setting of the present invention, the mold core is in the form of a column, and the mold core is near the end of punch-pin
Circumferential side wall is equipped with annular groove.
By using above-mentioned technical proposal, annular groove is installed for the insertion of pipe fitting, in order to which the installation for improving pipe fitting is fixed
Position precision, and then improve the yields of pipe fitting processing.
The further setting of the present invention, the cope plate week survey, which is evenly equipped with, axially penetrates through entire cope plate and number along staking punch
The die-filling card slot that amount is no less than four.
By using above-mentioned technical proposal, it is die-filling can card slot can be used for accordingly placing the suspender belt of loop wheel machine, in order to mould
The installation and carrying of tool, and then convenient for improving the manufacturing efficiency of enterprise.
In conclusion the invention has the following advantages:
1, by the cooperation of die pad and stripper plate, so that pipe fitting is able to achieve automatic demoulding；
2, can be convenient for improving the efficiency that high-volume pipe fitting expanding is processed, it can also be convenient for the production efficiency of raising enterprise；
3, the yields of pipe fitting expanding can be improved convenient for improving positioning accuracy of the pipe fitting before flaring.
Generally speaking of the invention, by realizing the automatic demoulding of pipe fitting, reaching both can be convenient for raising high-volume pipe fitting expanding
The efficiency of processing, can also be convenient for the purpose of raising pipe fitting expanding yields.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the top view of the present embodiment；
Fig. 3 is the cross-sectional view in the face the present embodiment A-A；
Fig. 4 is the flaring finished figure of pipe fitting in the present embodiment.
Appended drawing reference: 1, cope plate；2, lower template；3, guide sleeve；4, the first guide post；5, die ontology；51, punch-pin；52, recessed
Mould；53, the second guide post；54, stripper plate；55, third guide post；6, staking punch；7, through-hole is processed；8, die pad；9, mold core；10,
Position-limiting tube；11, the first elastic component；12, the second elastic component；13, limited block；14, annular groove；15, die-filling card slot.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment: a kind of mold for pipe fitting expanding, as shown in Figure 1, cope plate 1 and lower die that including can be close to each other
Plate 2 is symmetrically arranged with guide sleeve 3 on cope plate 1 along vertical direction, the first guide post 4 is slidably connected in guide sleeve 3, cope plate 1 is under
Template 2 is connected by the first guide post 4.Cope plate (1) week, which surveys to be evenly equipped with, axially penetrates through entire cope plate 1 and quantity along staking punch 6
No less than four die-filling card slots 15, die-filling card slot 15 are U-shaped through slot structure, can be used for accordingly placing the suspender belt of loop wheel machine,
In order to the installation and carrying of mold.It is equipped between cope plate 1 and lower template 2 and is used for molding die ontology 5, die ontology 5
Punch-pin 51 and cavity plate 52 including being mutually matched cooperation, punch-pin 51 are fixed on cope plate 1, and cavity plate 52 is fixed in lower template 2.
As shown in Figures 2 and 3, cavity plate 52 offers processing through-hole 7 along the axial direction of staking punch 6, and processing through-hole 7 is diameter
Greater than the through-hole structure of 6 outer diameter of staking punch.The position-limiting tube 10 being connected with processing through-hole 7, position-limiting tube 10 are fixed on cavity plate 52
For the pipeline type metal structure that internal diameter and pipe fitting match, the inner wall of position-limiting tube 10 and the outer wall of pipe fitting are interference fitted.Position-limiting tube
After 10 are connected with processing through-hole 7, both can convenient for improving positioning accuracy of the pipe fitting before flaring, can also convenient for pipe fitting installation with
It is fixed, so that pipe fitting is not susceptible to positional shift during being squeezed deformation, and then convenient for improving the non-defective unit of pipe fitting expanding
Rate.
The second uniformly distributed guide post 53 of staking punch 6 is equipped with along the vertical direction and surrounded between punch-pin 51 and cavity plate 52, and second leads
The outer wall of column 53 slidably connects the stripper plate 54 with 51 elastic connection of punch-pin.Cavity plate 52 is corresponding close to the side of the second guide post 53
It is fixed with limited block 13, limited block 13 can avoid stripper plate 54 and slide into collide with cavity plate 52, and then convenient for improving mold
Service life.The inside of limited block 13 is equipped with guide sleeve 3 along the axial direction of the second guide post 53, and guide sleeve 3 and the second guide post 53 slide
Connection, and then realize that limited block 13 is slidably connected with the second guide post 53.Punch-pin 51 is fixed with close to the side of cavity plate 52 for managing
The staking punch 6 of part flaring, the outer profile of staking punch 6 is in the form of a column, staking punch 6 farthest away from the end of punch-pin 51 diameter along punch-pin 51
It tapers off trend to 52 direction of cavity plate.Along the through-hole structure that is axially arranged with of staking punch 6 on stripper plate 54, staking punch 6 passes through should
It through-hole structure and is slidably connected with it.End diameter of the staking punch 6 far from punch-pin 51 gradually subtracts along the axial direction far from punch-pin 51
It is small, in order to which staking punch 6 slides into the inside of pipe fitting, and then reduces the pipe fitting caused by contacting at pipe fitting end face because of staking punch 6 and become
The probability of shape.
The first elastic component 11 that quantity is six is evenly equipped between punch-pin 51 and stripper plate 54, punch-pin 51 and stripper plate 54 are logical
Cross the connection of the first elastic component 11.First elastic component 11 is along the vertical direction and uniformly distributed around staking punch 6.First elastic component 11 and second
Elastic component 12 is the common spring part of mould applications.First elastic component 11 can be convenient for stripper plate 54 after the de- material for completing pipe fitting
Elastic reset.Third guide post 55, the outer wall of third guide post 55 are symmetrically arranged between cavity plate 52 and lower template 2 along vertical direction
The die pad 8 with 2 elastic connection of lower template is slidably connected, die pad 8 is equipped with the mold core 9 for installing pipe fitting, and mold core 9 is sliding
It is dynamic to be connected in processing through-hole 7.The outer profile of mold core 9 is in the form of a column, and mold core 9 is set in the circumferential side wall of the end of punch-pin 51
There is annular groove 14.Annular groove 14 is the annulus through slot cut off around 9 side wall circumferential scanning of mold core, is installed for the insertion of pipe fitting,
And then convenient for improving the installation positioning accuracy of pipe fitting.The second elastic component 12 is evenly distributed between die pad 8 and lower template 2, the
Two elastic components 12 are along the vertical direction and uniformly distributed around staking punch 6, and the uniformly distributed quantity of the second elastic component 12 is six but is not limited to six
A, die pad 8 is connect with lower template 2 by the second elastic component 12.
Operating condition and principle: when the staking punch 6 on punch-pin 51 contradicts the mold core 9 on cavity plate 52, die pad 8 can be to second
Elastic component 12 is squeezed and deformed；After pipe fitting completes expanding, the second elastic component 12 meeting acting in opposition die pad 8, at this time
Die pad 8 drives the pipe fitting in mold core 9 to be jacked up upwards until the outer wall of staking punch 6 is clamped in, so that pipe fitting is able to be clamped in punching
On pressure head 6, in order to which pipe fitting completes demoulding by stripper plate 54.
First elastic component 11 can be convenient for elastic reset of the stripper plate 54 after the de- material for completing pipe fitting；When rushing on punch-pin 51
Pressure head 6 contradicts when on cavity plate 52, and stripper plate 54 can be squeezed and deformed the first elastic component 11；When staking punch 6 leaves cavity plate
After 52, stripper plate 54 will receive the effect of the first elastic component 11, complete automatic demoulding to the pipe fitting being clamped on staking punch 6.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of mold for pipe fitting expanding, including cope plate (1) that can be close to each other and lower template (2), the cope plate
(1) it is equipped between lower template (2) and is used for molding die ontology (5), which is characterized in that die ontology (5) includes phase interworking
The punch-pin (51) and cavity plate (52) of conjunction, the punch-pin (51) are fixed on cope plate (1), and punch-pin is fixed on (51) along vertical side
To the staking punch (6) arranged towards cavity plate (52)；The cavity plate (52) is fixed on lower template (2), the punch-pin (51) and cavity plate
(52) it is equipped with several between along the vertical direction and surrounds staking punch (6) uniformly distributed second guide post (53), the second guide post (53)
Outer wall slidably connects and the stripper plate (54) of punch-pin (51) elastic connection；The cavity plate (52) along staking punch (6) axial direction
Offer processing through-hole (7)；It is equipped with several between the cavity plate (52) and lower template (2) along the vertical direction and surrounds staking punch
(6) uniformly distributed third guide post (55), the outer wall of third guide post (55) slidably connect and the die pad of lower template (2) elastic connection
(8), die pad (8) is equipped with the mold core (9) for installing pipe fitting, and mold core (9) is slidably connected in processing through-hole (7).
2. a kind of mold for pipe fitting expanding according to claim 1, which is characterized in that fixed on the cavity plate (52)
The position-limiting tube (10) for thering are several to be connected with processing through-hole (7).
3. a kind of mold for pipe fitting expanding according to claim 1, which is characterized in that the punch-pin (51) and de- material
It is evenly equipped with the first elastic component (11) of quantity at least two between plate (54), the punch-pin (51) and stripper plate (54) pass through the
One elastic component (11) connection.
4. a kind of mold for pipe fitting expanding according to claim 3, which is characterized in that first elastic component (11)
It is along the vertical direction and uniformly distributed around staking punch (6).
5. a kind of mold for pipe fitting expanding according to claim 1, which is characterized in that the die pad (8) is under
The second elastic component (12) of quantity at least two is evenly equipped between template (2), the die pad (8) passes through with lower template (2)
Second elastic component (12) connection.
6. a kind of mold for pipe fitting expanding according to claim 5, which is characterized in that second elastic component (12)
It is along the vertical direction and uniformly distributed around staking punch (6).
7. a kind of mold for pipe fitting expanding according to claim 1, which is characterized in that the cavity plate (52) is close to the
The end face of two guide posts (53) is fixed with limited block (13) corresponding with the second guide post (53) position, the second guide post (53) sliding
It is connected in limited block (13).
8. a kind of mold for pipe fitting expanding according to claim 1, which is characterized in that outside the staking punch (6)
Profile is in the form of a column, and the diameter of end of the staking punch (6) farthest away from punch-pin (51) is in along punch-pin (51) to cavity plate (52) direction
Decline trend.
9. a kind of mold for pipe fitting expanding according to claim 1, which is characterized in that the foreign steamer of the mold core (9)
Exterior feature is in the form of a column, and the circumferential side wall of end of the mold core (9) near punch-pin (51) is equipped with annular groove (14).
10. a kind of mold for pipe fitting expanding according to claim 1, which is characterized in that cope plate (1) week surveys
It is evenly equipped with and axially penetrates through entire cope plate (1) along staking punch (6) and quantity is no less than four die-filling card slots (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089798.4A CN109622787A (en) | 2019-01-30 | 2019-01-30 | A kind of mold for pipe fitting expanding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089798.4A CN109622787A (en) | 2019-01-30 | 2019-01-30 | A kind of mold for pipe fitting expanding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109622787A true CN109622787A (en) | 2019-04-16 |
Family
ID=66064098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910089798.4A Pending CN109622787A (en) | 2019-01-30 | 2019-01-30 | A kind of mold for pipe fitting expanding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109622787A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038970A (en) * | 2019-05-16 | 2019-07-23 | 上海柘电金属科技有限公司 | A kind of air duct flaring stamping die |
| CN111036723A (en) * | 2019-12-23 | 2020-04-21 | 宁波思明汽车科技股份有限公司 | Production process of edge-curling decorative tail pipe |
| US11717872B2 (en) * | 2020-10-07 | 2023-08-08 | United States Of America, As Represented By The Secretary Of The Navy | Stamping device for sheet-metal ammunition tray |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002282973A (en) * | 2001-03-28 | 2002-10-02 | Suo Kinzoku Kogyo Kk | Pipe end processing method |
| CN204148362U (en) * | 2014-09-29 | 2015-02-11 | 江西江铃底盘股份有限公司 | A kind of collapsible dist collar flaring die |
| CN205043014U (en) * | 2015-10-23 | 2016-02-24 | 锦州富山密封科技有限公司 | Cylinder gasket jar mouth turn -ups stamping die |
| WO2017107224A1 (en) * | 2015-12-24 | 2017-06-29 | 苏州卡波尔模具科技有限公司 | Automobile accessories mold |
| CN209849716U (en) * | 2019-01-30 | 2019-12-27 | 佛山市景和汽配有限公司 | A mould for pipe fitting flaring |
-
2019
- 2019-01-30 CN CN201910089798.4A patent/CN109622787A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002282973A (en) * | 2001-03-28 | 2002-10-02 | Suo Kinzoku Kogyo Kk | Pipe end processing method |
| CN204148362U (en) * | 2014-09-29 | 2015-02-11 | 江西江铃底盘股份有限公司 | A kind of collapsible dist collar flaring die |
| CN205043014U (en) * | 2015-10-23 | 2016-02-24 | 锦州富山密封科技有限公司 | Cylinder gasket jar mouth turn -ups stamping die |
| WO2017107224A1 (en) * | 2015-12-24 | 2017-06-29 | 苏州卡波尔模具科技有限公司 | Automobile accessories mold |
| CN209849716U (en) * | 2019-01-30 | 2019-12-27 | 佛山市景和汽配有限公司 | A mould for pipe fitting flaring |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038970A (en) * | 2019-05-16 | 2019-07-23 | 上海柘电金属科技有限公司 | A kind of air duct flaring stamping die |
| CN110038970B (en) * | 2019-05-16 | 2020-06-23 | 上海柘电金属科技有限公司 | Air duct flaring stamping die |
| CN111036723A (en) * | 2019-12-23 | 2020-04-21 | 宁波思明汽车科技股份有限公司 | Production process of edge-curling decorative tail pipe |
| CN111036723B (en) * | 2019-12-23 | 2021-03-09 | 宁波思明汽车科技股份有限公司 | Production process of edge-curling decorative tail pipe |
| US11717872B2 (en) * | 2020-10-07 | 2023-08-08 | United States Of America, As Represented By The Secretary Of The Navy | Stamping device for sheet-metal ammunition tray |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109622787A (en) | A kind of mold for pipe fitting expanding | |
| KR101111953B1 (en) | Method for manufacturing boss with integrated thickened wall and its molding apparatus | |
| CN104492968A (en) | Continuous die for threaded cover plate of diesel filter | |
| CN103956864A (en) | Rotor shaft press-fitting die | |
| CN106270094A (en) | A kind of " M " shape metal is obturaged the single pass integral forming device of ring | |
| CN209849716U (en) | A mould for pipe fitting flaring | |
| CN112845842A (en) | Magnetic pulse punching-flanging integrated manufacturing method and device | |
| FI72411B (en) | FOERFARANDE FOER FRAMSTAELLNING AV KONTAKTFJAEDERHUS | |
| CN204470400U (en) | The diesel fuel filter thread plate progressive die | |
| CN101780572A (en) | Manufacture method of punch die for porous shells | |
| CN108971302B (en) | Processing method of thin-walled piece inner flanging | |
| CN212085375U (en) | Inner conductor of radio frequency connector | |
| CN210523503U (en) | Stamping die for fastening piece of lamp tube housing | |
| CN210586693U (en) | Binding post upgrades mould | |
| CN110756634B (en) | Cold-push forming method with straight pipe elbow | |
| CN107138577B (en) | It is a kind of at circle processing unit (plant) | |
| CN210586688U (en) | Precise progressive die for U-shaped arc-shaped part | |
| CN217492263U (en) | Car tubular metal resonator extrusion bending device | |
| CN214391990U (en) | High-precision elbow pipe forming mold core | |
| CN110976582B (en) | Thin-walled capillary pipeline bending and forming device | |
| CN217432940U (en) | Mold ejection device with protection function | |
| CN217571685U (en) | Expanding and riveting assembly for idler wheel and assembling device | |
| CN217492315U (en) | Multi-convex-hull one-step forming device for automobile metal pipe | |
| CN220497522U (en) | Connecting pipe port bidirectional forming die for automobile engine cooling system | |
| CN218963697U (en) | Anti-skew bending structure |
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 |