CN106513516B - The high efficiency complete set apparatuses mold of fuel tank cap manufacture - Google Patents
The high efficiency complete set apparatuses mold of fuel tank cap manufacture Download PDFInfo
- Publication number
- CN106513516B CN106513516B CN201611244765.5A CN201611244765A CN106513516B CN 106513516 B CN106513516 B CN 106513516B CN 201611244765 A CN201611244765 A CN 201611244765A CN 106513516 B CN106513516 B CN 106513516B
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- China
- Prior art keywords
- mold
- die
- fuel tank
- hinge
- tank cap
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
- B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
-
- 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
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
- B21D51/44—Making closures, e.g. caps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present invention provides a kind of high efficiency complete set apparatuses mold of fuel tank cap manufacture; fuel tank cap is assemblied in the opening of motor vehicle fuel supply; fuel tank cap includes external door panel, hinge page board, hinge fixing plate, spring and axis pin; mold includes board forming die outdoors; including a upper mold and a lower die, upper mold includes upper die base, upper mold fixed frame and shaping upper；Lower die includes lower die base, lower die fixed frame and stamping cavity die；Shaping upper includes upper mold metal carbides diffusion coating and upper die mold steel layer, the upper mold metal carbides diffusion coating includes door-plate portion, bending edge, cladding edge and two protrusions, stamping cavity die includes cavity plate metal carbides diffusion coating and lower die mold steel layer, and the shape of cavity plate metal carbides diffusion coating corresponds to the shape of upper mold metal carbides diffusion coating.Inventive die stable structure increases substantially the service life of mold, saves production cost.
Description
Technical field
The present invention relates to a kind of efficient mould applications, and in particular to a kind of fuel tank for being assemblied in motor vehicle fuel supply opening
Cover the high efficiency complete set apparatuses mold of manufacture.
Background technology
With the development of science and technology, the progress of technology, automobile product make rapid progress, higher also is proposed to automobile component product
Requirement, and auto parts and components be Domestic Automotive Industry participate in globalization key areas.In response to the rapid development of electronic technology
And its extensive use in auto industry, the degree of automotive circuit diagram is higher and higher, while the safety of automobile is also required
It is higher and higher.It is known that an automobile, is formed with opening, for supplying the fuel supplies of fuel in the side of rear body
It is opposite with the opening；Meanwhile in the side of car body, the fuel tank cap for the opening that can switch supply fuel is installed.
The external door panel of prior art fuel tank cap and hinge page board are connected in a manner of spot welding, easily occur to lack weldering solder skip
And the situation of injury outer surface, it causes to perplex.In addition, the leaf spring of fuel tank cap force is installed on hinge axis, due to installation
In the center of rotation of fuel tank cap, leaf spring needs have larger force.Vehicle is especially stringent to safety, reliability requirement, because
This, the problem of external door panel how to be prevented to lack weldering solder skip, injury outer surface, the stress for reducing leaf spring, is one important.
The prior art produces fuel tank cap, and the injurious surface mark of external door panel is fatal damage, and step, is gradually completing one by one,
Final molding is fuel tank cap, and this mode, which produces, to be had the disadvantages that：
1st, external door panel finished surface scar is more, expensive；
2nd, point quality is unstable, surface irregularity.
Therefore, the mold of prior art production fuel tank cap, the place also promoted.
Invention content
In view of the foregoing drawbacks, the object of the present invention is to provide a kind of efficient moulds of the fuel tank cap manufacture with rock-steady structure
Tool, to solve technical problem of the existing technology.
To achieve the above object, present invention employs following technical solutions：
A kind of high efficiency complete set apparatuses mold of fuel tank cap manufacture, the fuel tank cap is assemblied in the opening of motor vehicle fuel supply, described
Fuel tank cap includes an external door panel, a hinge page board, a hinge fixing plate, a spring and an axis pin, and the mold includes one outdoors
Board forming die, the board forming die outdoors include a upper mold and a lower die, and the upper mold includes a upper die base, a upper mold
Fixed frame and a shaping upper, the upper die base, upper mold fixed frame and shaping upper sequentially connect；The lower die is included
Mold base, a lower die fixed frame and a stamping cavity die, the lower die base, lower die fixed frame and stamping cavity die sequentially connect；
Wherein, the shaping upper includes upper mold metal carbides diffusion coating and upper die mold steel layer, the upper mold gold
Belong to carbide diffusion coating and include a door-plate portion, a bending edge, a cladding edge and two protrusions, the door-plate portion is one
Concave arc, the outer in the door-plate portion connect the bending edge, and the outer of the bending edge connects the cladding edge,
The cladding edge connects described two protrusions；
The stamping cavity die includes cavity plate metal carbides diffusion coating and lower die mold steel layer, the cavity plate metallic carbide
The shape of object diffusion coating corresponds to the shape of the upper mold metal carbides diffusion coating；
In addition, the external door panel is connected with hinge page board, the hinge fixing plate is connected with axis pin, and the spring is arranged company
The axis pin is connect, the hinge page board is connected with axis pin；Wherein,
The external door panel is a sheet body, and there are the covering portion of an inside bending, the covering portion packet in the outer of the external door panel
Include two convex sheet；
The hinge page board includes a door-plate connecting portion and an arm, and the door-plate connecting portion is a hollow sheet body, described
Door-plate connecting portion is fixedly connected with portion and two connecting pins including a latch portion, one, and the portion of being fixedly connected is an arc tablets,
The sheet body that the connecting pin protrudes from door-plate connecting portion for one；During connection, portion is fixedly connected with described in the covering portion cladding connection,
The connecting pin laser welding connects the external door panel；The arm is a bending sheet body, one end of the arm and the door
Plate connecting portion connects, and the other end of the arm connects two axis holes；
The hinge fixing plate is a sheet body, and the hinge fixing plate includes a hinge bodies piece, two fixed feets and two hinges
Chain axis platform, two fixed feet and two hinge axis platforms difference connects hinge body sheet.
The high efficiency complete set apparatuses mold of fuel tank cap manufacture described in the application preferred embodiment, further includes an overmolded mold,
The lower die stamping cavity die of the overmolded mold includes a notch.
The high efficiency complete set apparatuses mold of fuel tank cap manufacture described in the application preferred embodiment, the spring is a button spring, described
There is a concave support portion in the centre of spring.
The high efficiency complete set apparatuses mold of fuel tank cap manufacture described in the application preferred embodiment, the axis pin are a round axis body,
After the axis pin is inserted into two axis holes of the arm, the two hinges axis platform welding of both ends and the hinge fixing plate connects
It connects.
The design concept of the application is improved primarily directed to external door panel and hinge fixing plate stable molding, welding procedure,
It solves the problems, such as that surface scratches and welding cause in technique, on quality is ensured, increases design external door panel binding structure and four
Dot laser is welded, and is substantially reduced and is lacked weldering solder skip, the risk of surface injury, in addition, connecting knot using hinge page board, axis pin and spring
The fuel tank cap of structure, installation is more reliable, easy, reaches safe handling, improves market competitiveness of enterprises.
As a result of above technical characteristic so that the present invention compared with the prior art, has the following advantages and accumulates
Pole effect：
Firstth, the mold of the application increases substantially the service life of mold, saves production cost；
Secondth, the mold of the application effectively controls the bound edge quality of connection of external door panel and hinge page board, significantly improves
Product appearance improves the homogeneity of product size, and structure is more stable, bound edge connection prevent solder joint come off caused by hidden danger；
Third, the application mold are reliable, and friction coefficient reduces, and anti-seizing property is high, easy to use, and it is easy to safeguard, general
Property it is strong, improve market competitiveness of enterprises.
Certainly, implement any one specific embodiment of the content of present invention, the skill might not simultaneously with all of the above
Art effect.
Description of the drawings
Fig. 1 is the mold schematic diagram of the application external door panel；
Fig. 2 is the upper die and lower die joint face schematic diagram of the application external door panel；
Fig. 3 is the wrapping mold schematic diagram of the application；
Fig. 4 is the fuel tank cap schematic diagram of the application；
Fig. 5 is the external door panel schematic diagram of the application；
Fig. 6 is the hinge page board schematic diagram of the application；
Fig. 7 is the hinge fixing plate schematic diagram of the application；
Fig. 8 is the hinge fixing plate connecting spring of the application and axis pin schematic diagram.
Specific embodiment
Several preferred embodiments of the present invention are described in detail, but the present invention is not restricted to below in conjunction with attached drawing
These embodiments.The present invention covers any replacement, modification, equivalent method and side made in the spirit and scope of the present invention
Case.In order to which the public is made to have thorough understanding to the present invention, it is described in detail in present invention below preferred embodiment specific thin
Section, and description without these details can also understand the present invention completely for a person skilled in the art.In addition, in order to avoid
To the present invention essence cause it is unnecessary obscure, be not described in detail well-known method, process, flow, element etc..
It please refers to Fig.1, Fig. 2 and Fig. 4, the high efficiency complete set apparatuses mold of fuel tank cap manufacture, the fuel tank cap are assemblied in motor vehicle fuel
The opening of supply, the fuel tank cap includes external door panel 10, hinge page board 20, hinge fixing plate 30, spring 40 and axis pin 50, described
Mold includes board forming die outdoors, and the board forming die outdoors includes upper die and lower die, and the upper mold includes upper die base
61st, upper mold fixed frame 62 and shaping upper 63, the upper die base 61, upper mold fixed frame 62 and shaping upper 63 sequentially connect；
The lower die includes lower die base 71, lower die fixed frame 72 and stamping cavity die 73, the lower die base 71,72 and of lower die fixed frame
Stamping cavity die 73 sequentially connects.
Wherein, as shown in Fig. 2, the shaping upper 63 includes upper mold metal carbides diffusion coating 64 and upper die mold steel
Layer 65, the upper mold metal carbides diffusion coating 64 include door-plate portion 641, bending edge 642, coat edge 643 and two
Protrusion (not shown), two protrusions act on to form two convex sheet 12；The door-plate portion 641 is a concave arc,
The outer in the door-plate portion 641 connects the bending edge 642, and the outer of the bending edge 642 connects the cladding edge
643, the cladding edge 643 connects described two protrusions.In addition, the stamping cavity die 73 expands including cavity plate metal carbides
Coating 74 and lower die mold steel layer 75 are dissipated, the shape of the cavity plate metal carbides diffusion coating 74 corresponds to the upper mold metal carbon
Compound spreads the shape of coating 64.That is, upper mold metal carbides diffusion coating 64 and the diffusion of cavity plate metal carbides are covered
Layer 74 is the face layer of direct and stamping parts contact.
It please refers to Fig.3, further includes an overmolded mold 80, the lower die stamping cavity die of the overmolded mold 80 includes
One notch 81, the effect of overmolded mold 80 is that external door panel 10 coated connects hinge page board 20, on overmolded mold 80
During lower molding, the covering portion 11 of external door panel 10 is pushed and the cladding connection of hinge page board 20, the notch 81 of lower die stamping cavity die are
In order to avoid the arm 22 of hinge page board 20, that is to say, that the covering portion 11 of the lower section of arm 22 there is no by punching press, but
The influence of adjacent covering portion 11 and it is downward, although downward degree without those by punching press covering portion 11 it is big,
The requirement of the cladding of covering portion 11 can also be met.In addition, the upper die and lower die of overmolded mold 80, the face contacted with external door panel
Also all it is metal carbides diffusion coating.After overmolded mould punching, then with laser welding, by external door panel 10 and hinge
Page board 20 is steady, securely connection.
It please refers to Fig.4 and Fig. 8, fuel tank cap includes external door panel 10, hinge page board 20, hinge fixing plate 30, spring 40 and pin
Axis 50, connection relation therein are that the external door panel 10 and hinge page board 20 connect, and the hinge fixing plate 30 and axis pin 50 connect
It connects, the spring 40 is arranged the connection axis pin 50, and the hinge page board 20 and axis pin 50 connect.
As shown in figure 5, the external door panel 10 is a sheet body, there is the covering portion of an inside bending in the outer of the external door panel 10
11, the covering portion 11 includes two convex sheet 12, and convex sheet 12 increases what covering portion 11 encased towards the center of external door panel 10
Range, in addition, the also effect of convex sheet 12, is exactly the reference point as laser welding.
As shown in fig. 6, the hinge page board 20 includes a door-plate connecting portion 21 and an arm 22, the door-plate connecting portion 21
For a hollow sheet body, the door-plate connecting portion 21 is fixedly connected with portion 212 and two connecting pins 213 including a latch portion 211, one,
The latch portion 211 is an axially projecting sheet body in door-plate connecting portion 21, offers lockhole in the latch portion 211, works as oil
When case lid is built, tongue is inserted into lockhole, and fuel tank cap is clasped fixation；The portion 212 that is fixedly connected is put down for an arc
Sheet body, the sheet body that the connecting pin 213 protrudes from door-plate connecting portion 21 for one；During connection, the cladding of the covering portion 11 connection institute
State the portion of being fixedly connected 212,213 laser welding of connecting pin connects the external door panel 10, and during welding, connecting pin 213 is plugged in
Covering portion 11 is in the following, in order to avoid solder skip, and for the application by the way of the welding of four dot lasers, 4 points refer to two connecting pins
213 select two points above with the portion that is fixedly connected 212；It can be said that covering portion 11 encases hinge page board 20, hinge page board 20 will not
It comes off from external door panel 10, the welding of four dot lasers links together hinge page board 20 and external door panel 10 in the position of setting.Institute
Arm 22 is stated as a bending sheet body, one end of the arm 22 and the door-plate connecting portion 21 connect, and the arm 22 is in addition
One end connects two axis holes 221.
In addition, please referring to Fig. 7, the hinge fixing plate 30 is a sheet body, and the hinge fixing plate 30 includes a hinge sheet
Body piece 31, two fixed feets 32 and two hinge axis platforms 33, two fixed feets, the 32 and two hinge axis platform 33 distinguish connects hinge ontology
Piece 31.In addition, please referring to Fig. 8, the spring 40 is a button spring, and there is a concave support portion 41 in the centre of the spring 40.And institute
Axis pin 50 is stated as a round axis body, after the axis pin 50 is inserted into two axis holes 221 of the arm 22, both ends protrusion axis hole 221
Part and the two hinges axis platform 33 of the hinge fixing plate 30 be welded to connect, during welding, both ends stress pushes, in flat
Shape；After welding, spring 40 is located between two axis holes 221.
In fuel tank cover attaching construction, the interior side of car body is equipped with lock and pays a plate, two fixed feets 32 of fuel tank cap and described
Lock pays plate connection, and after connection, fuel tank cap is supported by the axis hole 221 of arm 22, and arm 22 is bent into arc-shaped, so that it is in fuel tank
The edge of car body opening is not contacted during lid rotation.When fuel tank cap covers, the concave support for the spring 40 installed on axis pin 50
Portion 41 exerts a force to fuel tank cap to opening direction.When driver, which starts, opens button, tongue leaves from lockhole, and fuel tank cap is by spring
40 flick.
The work thought of the application is improved for external door panel and hinge fixing plate stable molding, welding procedure, in technique
It is upper to solve the problems, such as that surface scratches and welding cause, increase design external door panel binding structure and the welding of four dot lasers, ensure matter
Amount substantially reduces and lacks weldering solder skip, the risk of surface injury, and binding structure can effectively improve weld strength, reduces vibrations butt welding
The destruction connect, in addition, using the fuel tank cap of hinge page board, axis pin and spring connecting structure, installation is more reliable, easy, reaches peace
It entirely uses, improves market competitiveness of enterprises, it is simple and practical.
In conclusion as a result of above technical characteristic so that the present invention compared with the prior art, has as follows
Advantage and good effect：
Firstth, the mold of the application increases substantially the service life of mold or workpiece, saves production cost；
Secondth, the mold of the application effectively controls the bound edge quality of connection of external door panel and hinge page board, significantly improves
Product appearance improves the homogeneity of product size, and structure is more stable, bound edge connection prevent solder joint come off caused by hidden danger；
Third, the application mold are reliable, and friction coefficient reduces, and anti-seizing property is high, easy to use, and it is easy to safeguard, general
Property it is strong, improve market competitiveness of enterprises.
Invention preferred embodiment is only intended to help to illustrate the present invention.There is no all thin of detailed descriptionthe for preferred embodiment
Section, does not limit the invention to the specific embodiments described.Obviously, according to the content of this specification, many repair can be made
Change and change.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the principle of the present invention and reality
Using so as to which skilled artisan be enable to utilize the present invention well.The present invention is only by claims and its entirely
The limitation of portion's range and equivalent.Disclosed above is only presently preferred embodiments of the present invention, but is not used for limiting itself,
It is any to be familiar with those skilled in the art in the case of without prejudice to spiritual connotation of the present invention, the equivalent change done and change,
It should all be within the scope of the present invention.
Claims (4)
1. a kind of high efficiency complete set apparatuses mold of fuel tank cap manufacture, the fuel tank cap are assemblied in the opening of motor vehicle fuel supply, feature
It is, the fuel tank cap includes an external door panel, a hinge page board, a hinge fixing plate, a spring and an axis pin, the mold packet
A board forming die outdoors is included, the board forming die outdoors includes a upper mold and a lower die, and the upper mold includes a upper mold base
Seat, a upper mold fixed frame and a shaping upper, the upper die base, upper mold fixed frame and shaping upper sequentially connect；Under described
Mould include a lower die base, a lower die fixed frame and a stamping cavity die, the lower die base, lower die fixed frame and stamping cavity die according to
Sequence connects；
Wherein, the shaping upper includes upper mold metal carbides diffusion coating and upper die mold steel layer, the upper mold metal carbon
Compound diffusion coating includes a door-plate portion, a bending edge, a cladding edge and two protrusions, and the door-plate portion is an indent
Arc, the outer in the door-plate portion connect the bending edge, and the outer of the bending edge connects the cladding edge, described
It coats edge and connects described two protrusions；
The stamping cavity die includes cavity plate metal carbides diffusion coating and lower die mold steel layer, and the cavity plate metal carbides expand
The shape for dissipating coating corresponds to the shape of the upper mold metal carbides diffusion coating；
In addition, the external door panel is connected with hinge page board, the hinge fixing plate is connected with axis pin, and the spring is arranged connection institute
Axis pin is stated, the hinge page board is connected with axis pin；Wherein,
The external door panel is a sheet body, and there is the covering portion of an inside bending in the outer of the external door panel, and the covering portion includes two
A convex sheet；
The hinge page board include a door-plate connecting portion and an arm, the door-plate connecting portion be a hollow sheet body, the door-plate
Connecting portion is fixedly connected with portion and two connecting pins including a latch portion, one, and the portion of being fixedly connected is an arc tablets, described
The sheet body that connecting pin protrudes from door-plate connecting portion for one；During connection, portion is fixedly connected with described in the covering portion cladding connection, it is described
Connecting pin laser welding connects the external door panel；The arm is a bending sheet body, and one end of the arm and the door-plate connect
Socket part connects, and the other end of the arm connects two axis holes；
The hinge fixing plate is a sheet body, and the hinge fixing plate includes a hinge bodies piece, two fixed feets and two hinge axis
Platform, two fixed feet and two hinge axis platforms difference connects hinge body sheet.
2. the high efficiency complete set apparatuses mold of fuel tank cap manufacture as described in claim 1, which is characterized in that further include one and be overmolding to pattern
Tool, the lower die stamping cavity die of the overmolded mold include a notch.
3. the high efficiency complete set apparatuses mold of fuel tank cap manufacture as described in claim 1, which is characterized in that the spring is a button spring,
There is a concave support portion in the centre of the spring.
4. the high efficiency complete set apparatuses mold of fuel tank cap manufacture as claimed in claim 3, which is characterized in that the axis pin is a circular shaft
Body, after the axis pin is inserted into two axis holes of the arm, the two hinges axis platform welding of both ends and the hinge fixing plate
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244765.5A CN106513516B (en) | 2016-12-29 | 2016-12-29 | The high efficiency complete set apparatuses mold of fuel tank cap manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244765.5A CN106513516B (en) | 2016-12-29 | 2016-12-29 | The high efficiency complete set apparatuses mold of fuel tank cap manufacture |
Publications (2)
| Publication Number | Publication Date |
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| CN106513516A CN106513516A (en) | 2017-03-22 |
| CN106513516B true CN106513516B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611244765.5A Active CN106513516B (en) | 2016-12-29 | 2016-12-29 | The high efficiency complete set apparatuses mold of fuel tank cap manufacture |
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| CN (1) | CN106513516B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676429A (en) * | 2019-10-17 | 2021-04-20 | 成都飞机工业（集团）有限责任公司 | Wear-resistant and anti-sticking stainless steel part drawing die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5527448A (en) * | 1978-08-17 | 1980-02-27 | Shinko Electric Co Ltd | Press punching die |
| CN104438944A (en) * | 2014-11-06 | 2015-03-25 | 上海众达汽车冲压件有限公司 | Stamping method for inner plate of fuel tank cap of automobile |
| CN105251875A (en) * | 2015-10-17 | 2016-01-20 | 无为县鑫发盛汽车零部件有限公司 | Automobile part molding die |
| CN205414160U (en) * | 2015-12-23 | 2016-08-03 | 合肥新航工业模具制造有限公司 | Surface TD handles SCR die insert spare |
| CN206296375U (en) * | 2016-12-29 | 2017-07-04 | 浙江长华汽车零部件有限公司 | The high efficiency complete set apparatuses mould of fuel tank cap manufacture |
-
2016
- 2016-12-29 CN CN201611244765.5A patent/CN106513516B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5527448A (en) * | 1978-08-17 | 1980-02-27 | Shinko Electric Co Ltd | Press punching die |
| CN104438944A (en) * | 2014-11-06 | 2015-03-25 | 上海众达汽车冲压件有限公司 | Stamping method for inner plate of fuel tank cap of automobile |
| CN105251875A (en) * | 2015-10-17 | 2016-01-20 | 无为县鑫发盛汽车零部件有限公司 | Automobile part molding die |
| CN205414160U (en) * | 2015-12-23 | 2016-08-03 | 合肥新航工业模具制造有限公司 | Surface TD handles SCR die insert spare |
| CN206296375U (en) * | 2016-12-29 | 2017-07-04 | 浙江长华汽车零部件有限公司 | The high efficiency complete set apparatuses mould of fuel tank cap manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106513516A (en) | 2017-03-22 |
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Address after: 315324 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang Applicant after: ZHEJIANG CHANGHUA AUTO PARTS Co.,Ltd. Address before: 315301 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang Applicant before: ZHEJIANG CHANGHUA AUTO PARTS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315324 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang Patentee after: Changhua Holding Group Co.,Ltd. Address before: 315324 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang Patentee before: ZHEJIANG CHANGHUA AUTO PARTS Co.,Ltd. |