CN108202105A - For the molding die of fuel tank hanger - Google Patents
For the molding die of fuel tank hanger Download PDFInfo
- Publication number
- CN108202105A CN108202105A CN201611170768.9A CN201611170768A CN108202105A CN 108202105 A CN108202105 A CN 108202105A CN 201611170768 A CN201611170768 A CN 201611170768A CN 108202105 A CN108202105 A CN 108202105A
- Authority
- CN
- China
- Prior art keywords
- spring
- support plate
- cavity
- fuel tank
- hinged
- 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
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses the molding dies for fuel tank hanger, including upper mold seat and die holder, punch-pin is installed on upper mold seat, cavity plate is installed on die holder, support plate is installed in cavity plate, and support plate top matches with male bottom, damping cavity is offered in die holder, two ends are further included to be hinged connecting rod, madial wall of two connecting rod other end ends respectively with two guide posts is hinged, and spring is connected with above the articulated section being hinged in two connecting rods, lower spring is connected with below the articulated section being hinged in two connecting rods, and the coefficient of elasticity of upper spring is more than the coefficient of elasticity of lower spring.The present invention uses Integral bending means, and unconventional some progress bending to steel plate, it may be such that steel plate entirety stress in the molding cavity formed between support plate and recessed film, so that steel plate uniform force in processing, there are stress raisers in the bending part reduced in molding bracket base, improves the service life of bracket.
Description
Technical field
The present invention relates to molding die field, in particular to the molding dies for fuel tank hanger.
Background technology
The vehicle that destroying occurs in fuel tank hanger is mainly tractor, and operation road surface is usually the road surface more than Class II highway
There is bulk crackle hidden danger or fracture when travelling 7000km or so in condition, vehicle.Fuel tank hanger in the process of running,
The quality load of fuel tank is primarily subjected to, while has the influence of dynamic load factor, i.e. road shocks, makes the force environment of fuel tank hanger
Become more severe.Fuel tank hanger destruction is tentatively judged as fatigue fracture, since bracket is that two pieces " several " shaped steel is welded, welds
Connecing position does not have external reinforcing ribs plate, more weak, and the load that experiences a shock during operation, and institute cannot be born by finally resulting in bracket
It loads lotus and brittle fracture occurs suddenly.It can be seen that fuel tank hanger is during the manufacturing, it is integrally-built strong for its
Degree control is particularly important.
Traditional fuel tank hanger generally use Bending Mould is processed steel, first bracket due to flanging depth compared with
Greatly, unsuitable first curved punching again, therefore first steel are punched out with process, then bending processing is carried out to steel, but traditional
The above problem is susceptible in bending processing, i.e., after being welded with fuel tank, fuel tank is held in the palm the bending part of bracket during operation
The bending part of frame easily forms stress concentration point, along with weld defect that may be present, in stress concentration point and weld defect
Position gradually generates blind crack, forms tired source, with the increase of mileage travelled, crackle gradually extends, the section quilt of component
It gradually slackens, so that added load cannot be born and brittle fracture occurs suddenly.
Invention content
The purpose of the present invention is to provide the molding dies for fuel tank hanger, and steel is facilitated to carry out bending process, improve
The intensity of bracket bending part extends the service life of bracket.
The purpose of the present invention is achieved through the following technical solutions：
For the molding die of fuel tank hanger, including upper mold seat and die holder, punch-pin is installed on upper mold seat, on die holder
Cavity plate is installed, support plate is installed in the cavity plate, and support plate top matches with male bottom and the two phase interworking
The forming cavity for forming bracket is closed, damping cavity is offered in the die holder, sleeve, guide post are installed in the damping cavity
Lower end be placed in sleeve and there are spacing between damping cavity bottom, activity runs through lower die successively for the upper end of two guide posts
It is connect after seat, cavity plate with support plate bottom, and there are gap, the spacing height between support plate bottom surface and guide post upper end end face
Degree further includes two ends and is hinged connecting rod more than the height in the gap, two connecting rod other end ends respectively with
The madial wall of two guide posts is hinged, and spring is connected with above the articulated section being hinged in two connecting rods, in two connecting rods
Lower spring is connected with below the articulated section being hinged, and the coefficient of elasticity of upper spring is more than the coefficient of elasticity of lower spring.
During work, upper mold seat detaches under the drive of driving equipment with die holder, and steel plate raw material are placed in support plate,
Driving upper mold seat moves down, and punch-pin is contacted with support plate, and the molding cavity that steel plate is formed between punch-pin and support plate
Gradually molding, molding cavity is identical with the shape of existing fuel tank hanger, the steel plate stress and part contacted with punch-pin continues to move down,
Damping cavity is offered in die holder, when steel plate is depressed by punch-pin to be bonded completely with support plate top, guide post stress moves down,
The articulated section that two connecting rods are squeezed and the two is caused to be hinged simultaneously moves up, and spring is caused to be compressed, lower spring quilt
It stretches, deformation and deformation recovery by upper spring and lower spring itself, will subtract described in impact dynamics that die holder is subject to
It is slow to eliminate, die holder, cavity plate and support plate stress is avoided to be damaged and causes the reduction of its service life；After steel plate forming, on
Die holder moves up, and the upper spring and lower spring-return elasticity, the elastic force of generation in damping cavity force guide post to move up again,
And then support plate is driven to move up, by manually directly the quick of the bracket base in support plate is collected, and the upper spring selected simultaneously
Coefficient of elasticity be more than lower spring coefficient of elasticity so that guide post is when moving down, and based on more than spring, supplemented by lower spring, passes through
It deforms upon and guide post is transferred to the applied stress of connecting rod quickly eliminates, when guide post moves up, similary Yi Shang spring is
Main, supplemented by lower spring, the articulated section that the relatively large elastic force of upper spring generation can force two connecting rods to be hinged is quick
It moves down, guide post to be forced to reset again, and the rubber block in rectangular blind hole can avoid guide post lower end from acting directly on
On damping cavity, while preventing the guide post stress to be damaged, moreover it is possible to generated noise when reducing guide post impact damping cavity.This hair
It is bright use Integral bending means, and it is unconventional to steel plate a little carry out bending, formed between support plate and recessed film into
It may be such that steel plate entirety stress in cavity so that steel plate uniform force in processing reduces the bending part in molding bracket base
There are stress raisers, avoiding bracket, the bending of bracket goes out in welding portion during the use after being welded with fuel tank
Show blind crack and form tired source, improve the service life of bracket
The tipper and level trough of interconnection are provided in the support plate, is set in the junction of the tipper and level trough
It is equipped with arc groove.When laminated steel raw material is molded under upper mold seat, punch-pin is respectively moved to the slot of level trough, arc groove and tipper
Stopping movement during bottom, steel plate is pushed in level trough, arc groove and tipper by punch-pin respectively, the compound use of three kinds of grooves,
It can guarantee the bracket entirety uniform force being process by steel plate, avoid the occurrence of the bending part stress raisers of bracket, improve
Steel plate can be pressed into the bending angle needed for fuel tank hanger by the use intensity of bracket under the suppressing action of punch-pin；Wherein originally
Scheme uses Integral bending means, and unconventional some progress bending to steel plate, three grooves interconnections may be such that steel
Plate entirety stress so that stress raisers occur in steel plate uniform force in processing, the bending part reduced in molding bracket base.
The bottom of the punch-pin matches with tipper, level trough and arc groove, is equipped in the male bottom both sides
Lower platen.The shape of male bottom and tipper, level trough and arc groove matches, and can bend steel plate into required shape,
The lower platen installed on the both sides of trapezoid block can make steel plate form supporting surface, and the supporting surface increases the contact surface of bracket and fuel tank
Product ensures the stability of fuel tank in use.
The upper spring and lower spring are torsionspring.Preferably, upper spring uses torsionspring with lower spring,
So that guide post is moving down（It moves up）When squeeze two connecting rods and the articulated section being hinged both caused to move up（It moves up）It is produced
Non-directional active force can completely be eliminated, while ensure that upper spring is not damaged easily with lower spring, and then realize extension into
The purpose of type die life.
Compared with prior art, the present invention it has the following advantages and advantages：
1st, the present invention is using Integral bending means, and it is unconventional bending is a little carried out to steel plate, support plate and recessed film it
Between may be such that steel plate entirety stress in the molding cavity that is formed so that steel plate uniform force in processing reduces in molding bracket
There are stress raisers in the bending part of base, and avoiding bracket, the bending of bracket is in during the use after being welded with fuel tank
There is blind crack and forms tired source in welding portion, improves the service life of bracket；
2nd, guide post when moving down, based on more than spring, supplemented by lower spring, is transferred to by guide post by deforming upon in the present invention
The applied stress of connecting rod is quickly eliminated, when guide post moves up, based on similary Yi Shang spring, and supplemented by lower spring, upper spring production
The articulated section that raw relatively large elastic force can force two connecting rods to be hinged quickly moves down, to force guide post again multiple
Position, and the rubber block in rectangular blind hole can avoid guide post lower end from acting directly on damping cavity, prevent guide post should
While power is damaged, moreover it is possible to generated noise when reducing guide post impact damping cavity；
3rd, spring uses torsionspring with lower spring in the present invention so that guide post is moving down（It moves up）When squeeze two connecting rods and
The articulated section that the two is hinged is caused to move up（It moves up）Generated non-directional active force can be eliminated completely, be ensured simultaneously
Upper spring is not damaged easily with lower spring, and then realizes the purpose for extending molding die service life.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the sectional view of tipper；
Fig. 3 is the structure diagram of support plate；
Label and corresponding parts title in attached drawing：
1- cavity plates, 2- support plates, 3- guide posts, 4- punch-pin, 5- upper mold seats, 6- brackets base, 7- die holders, 8- dampings cavity, 9- rubbers
Spring, 13- tippers, 14- lower platens, 15- arc grooves, 16- level troughs under blob of viscose, 10- connecting rods, the upper springs of 11-, 12-.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Figure 1 to Figure 3, this includes upper mold seat 5 and die holder 7, punch-pin 4 is equipped on upper mold seat 5, on die holder 7
Cavity plate 1 is installed, support plate 2 is installed in the cavity plate 1, and 2 top of support plate matches with 4 bottom of punch-pin and the two phase
Mutually cooperation forms the forming cavity of bracket, and damping cavity 8 is offered in the die holder 7, set is equipped in the damping cavity 8
Cylinder 9, the lower end of guide post 3 is placed in sleeve 9 and there are spacing, the upper end of two guide posts 3 between 8 bottom of damping cavity to live successively
It is dynamic to be connect after die holder 7, cavity plate 1 with 2 bottom of support plate, and between 3 upper end end face of 2 bottom surface of support plate and guide post there are
Gap, the spacing height are more than the height in the gap, the spring 10 being arranged in sleeve 9 are further included, outside 3 lower end of guide post
Stress ring 12 is installed, 10 upper end of spring is connect with stress ring 12,10 lower end of spring and the bottom of damping cavity 8 in circumferential wall
Face contacts.
During work, upper mold seat 5 detaches under the drive of driving equipment with die holder 7, and steel plate raw material are placed in support plate 2
On, driving upper mold seat 5 moves down, and punch-pin 4 is contacted with support plate 2, and what steel plate was formed between punch-pin 4 and support plate 2
Molding cavity is gradually molded, and molding cavity is identical with the shape of existing fuel tank hanger, steel plate stress and the part contacted with punch-pin 4
Continue to move down, damping cavity 8 is offered in die holder 7, when steel plate is depressed by punch-pin 4 to be bonded completely with 2 top of support plate,
3 stress of guide post moves down, while the articulated section that two connecting rods 10 are squeezed and the two is caused to be hinged moves up, and leads to spring
11 are compressed, and lower spring 12 is stretched, deformation and deformation recovery by upper spring 11 and lower spring 12 itself, by lower die
Slow down elimination described in the impact dynamics that seat 7 is subject to, die holder 7, cavity plate 1 and 2 stress of support plate is avoided to be damaged and it is caused to make
Use service life reduction；After steel plate forming, upper mold seat 5 moves up, and the upper spring 11 and lower spring 12 in damping cavity 8 are replied
Elasticity, the elastic force of generation force guide post 3 to move up again, and then support plate 2 is driven to move up, by manually directly will be in support plate 2
The quick of bracket base 6 is collected, and the coefficient of elasticity of upper spring 11 selected simultaneously is more than the coefficient of elasticity of lower spring 12 so that is led
Column 3 is when moving down, and based on more than spring 11, supplemented by lower spring 12, guide post 3 is transferred to the work of connecting rod 10 by deforming upon
It is quickly eliminated with stress, when guide post 3 moves up, based on similary Yi Shang spring 11, supplemented by lower spring 12, upper spring 11 generates
Relatively large elastic force articulated section that two connecting rods 10 can be forced to be hinged quickly move down, to force guide post 3 again multiple
Position, and the rubber block 9 in rectangular blind hole can avoid 3 lower end of guide post from acting directly on damping cavity 8, prevent guide post
While 3 stress are damaged, moreover it is possible to reduce generated noise when guide post 3 impacts damping cavity.The present invention uses Integral bending hand
Section, and it is unconventional bending is a little carried out to steel plate, may be such that steel in the molding cavity formed between support plate 2 and recessed film
Plate entirety stress so that local stress collection occur in steel plate uniform force in processing, the bending part reduced in molding bracket base 6
In, avoid bracket during the use after being welded with fuel tank, the bending of bracket be in welding portion there is blind crack and shape
Into tired source, the service life of bracket is improved
Wherein, the tipper 13 of interconnection and level trough 16 are provided in the support plate 2, in the tipper 13 and level
The junction of slot 16 is provided with arc groove 15.In 5 times laminated steel raw material moldings of upper mold seat, punch-pin 4 is respectively moved to level trough
16th, stop movement during the slot bottom of arc groove 15 and tipper 13, steel plate is in level trough 16, arc groove 15 and difference in tipper 13
It is pushed by punch-pin 4, the compound use of three kinds of grooves, can guarantee the bracket entirety uniform force being process by steel plate, avoid out
The bending part stress raisers of existing bracket, improve the use intensity of bracket, can suppress steel plate under the suppressing action of punch-pin 4
Into the bending angle needed for fuel tank hanger；Wherein this programme uses Integral bending means, and unconventional 1 point to steel plate into
Row bending, three groove interconnections may be such that steel plate entirety stress so that steel plate uniform force in processing reduces and is being molded
There are stress raisers in the bending part of bracket base 6.
Preferably, the bottom of the punch-pin 4 matches with tipper 13, level trough 16 and arc groove 15, described convex
4 two bottom sides of mould are equipped with lower platen 14.4 bottom of punch-pin and the shape of tipper 13, level trough 16 and arc groove 15 match,
Steel plate can be bent into required shape, the lower platen 14 installed on the both sides of trapezoid block can make steel plate form supporting surface, described
Supporting surface increases the contact area of bracket and fuel tank, ensures the stability of fuel tank in use.
The upper spring 11 and lower spring 12 are torsionspring.Preferably, upper spring 11 is used with lower spring 12
Torsionspring so that guide post 3 is moving down（It moves up）When squeeze two connecting rods 10 and the articulated section being hinged both caused to move up
（It moves up）Generated non-directional active force can be eliminated completely, at the same ensure upper spring 11 and lower spring 12 not easily by
Damage, and then realize the purpose for extending molding die service life.
Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further
It is described in detail, it should be understood that the foregoing is merely the specific embodiment of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (4)
1. for the molding die of fuel tank hanger, including upper mold seat（5）And die holder（7）, in upper mold seat（5）On punch-pin is installed
（4）, in die holder（7）On cavity plate is installed（1）, in the cavity plate（1）Support plate is inside installed（2）, and support plate（2）Top
With punch-pin（4）Bottom matches and the two cooperates and forms the forming cavity of bracket, it is characterised in that：In the die holder（7）
Inside offer damping cavity（8）, the damping cavity（8）Bottom is opened there are two rectangular blind hole, rubber block（9）It is placed in rectangular blind hole
It is interior, guide post（3）Lower end face described in rubber block（9）And and rubber block（9）There are spacing, two guide posts between upper surface（3）
Upper end successively activity run through die holder（7）, cavity plate（1）Afterwards with support plate（2）Bottom connects, and in support plate（2）Bottom surface with
Guide post（3）There are gaps, the spacing height between the end face of upper end to be more than the height in the gap, it is mutual to further include two ends
Articulated linkage（10）, two connecting rods（10）Other end end respectively with two guide posts（3）Madial wall be hinged, and at two
Connecting rod（10）Spring is connected with above the articulated section being hinged（11）, in two connecting rods（10）Under the articulated section being hinged
Side is connected with lower spring（12）, and upper spring（11）Coefficient of elasticity be more than lower spring（12）Coefficient of elasticity.
2. the molding die according to claim 1 for fuel tank hanger, it is characterised in that：In the support plate（2）On
It is provided with the tipper of interconnection（13）And level trough（16）, in the tipper（13）With level trough（16）Junction setting
There is arc groove（15）.
3. the molding die according to claim 2 for fuel tank hanger, it is characterised in that：The punch-pin（4）Bottom
With tipper（13）, level trough（16）And arc groove（15）Match, in the punch-pin（4）Two bottom sides are equipped with lower platen
（14）.
4. the molding die according to claim 1 for fuel tank hanger, it is characterised in that：The upper spring（11）With under
Spring（12）It is torsionspring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170768.9A CN108202105A (en) | 2016-12-17 | 2016-12-17 | For the molding die of fuel tank hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170768.9A CN108202105A (en) | 2016-12-17 | 2016-12-17 | For the molding die of fuel tank hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108202105A true CN108202105A (en) | 2018-06-26 |
Family
ID=62601248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611170768.9A Pending CN108202105A (en) | 2016-12-17 | 2016-12-17 | For the molding die of fuel tank hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108202105A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108137A (en) * | 2018-09-22 | 2019-01-01 | 无锡雄伟精工科技有限公司 | Stress can be achieved from the vehicle component punch machining equipment for automotive eliminated |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162570A (en) * | 2014-08-15 | 2014-11-26 | 成都兴博达精密机械有限公司 | Automobile oil tank forming method |
| CN104289562A (en) * | 2014-08-15 | 2015-01-21 | 成都兴博达精密机械有限公司 | Method for machining and manufacturing oil tank supporting frame |
| CN105921574A (en) * | 2016-06-15 | 2016-09-07 | 常州市荣顺电子有限公司 | Stamping device of metal workpiece |
| CN106180403A (en) * | 2016-07-29 | 2016-12-07 | 成都宏明双新科技股份有限公司 | A kind of float mould core Clincher and method of bending |
| CN206474576U (en) * | 2016-12-17 | 2017-09-08 | 重庆市银盛模具有限公司 | Mould for fuel tank hanger |
-
2016
- 2016-12-17 CN CN201611170768.9A patent/CN108202105A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162570A (en) * | 2014-08-15 | 2014-11-26 | 成都兴博达精密机械有限公司 | Automobile oil tank forming method |
| CN104289562A (en) * | 2014-08-15 | 2015-01-21 | 成都兴博达精密机械有限公司 | Method for machining and manufacturing oil tank supporting frame |
| CN105921574A (en) * | 2016-06-15 | 2016-09-07 | 常州市荣顺电子有限公司 | Stamping device of metal workpiece |
| CN106180403A (en) * | 2016-07-29 | 2016-12-07 | 成都宏明双新科技股份有限公司 | A kind of float mould core Clincher and method of bending |
| CN206474576U (en) * | 2016-12-17 | 2017-09-08 | 重庆市银盛模具有限公司 | Mould for fuel tank hanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108137A (en) * | 2018-09-22 | 2019-01-01 | 无锡雄伟精工科技有限公司 | Stress can be achieved from the vehicle component punch machining equipment for automotive eliminated |
| CN109108137B (en) * | 2018-09-22 | 2024-03-26 | 无锡雄伟精工科技有限公司 | Vehicle part stamping processing equipment capable of realizing stress self-elimination |
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Application publication date: 20180626 |
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