CN206286431U - A kind of stamping mold of vehicle oil-tank bracket - Google Patents

Abstract

The utility model discloses a kind of stamping mold of vehicle oil-tank bracket, including upper bolster and die shoe, punch-pin is installed on upper bolster, cavity plate is installed on die shoe, supporting plate is installed in cavity plate, and supporting plate top matches with male bottom, damping cavity is offered in die shoe, sleeve is installed in damping cavity, the upper end activity of guide pillar is connected after die shoe, cavity plate with supporting plate bottom, stress ring is installed on the outer circle wall of guide pillar lower end, spring upper end is connected with stress ring, and lower spring end is contacted with the bottom surface of damping cavity.The utility model uses Integral bending means, and unconventional bending is a little carried out to steel plate, steel plate entirety stress is may be such that in the molding cavity formed between supporting plate and recessed film, so that steel plate uniform force in processing, there are stress raisers in the bending part reduced in shaping bracket base, improves the service life of bracket.

Description

A kind of stamping mold of vehicle oil-tank bracket

Technical field

The utility model is related to a kind of bending structure, specifically refers to a kind of stamping mold of vehicle oil-tank bracket.

Background technology

The vehicle that destruction 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 7000km or so is travelled in condition, vehicle.Fuel tank hanger in the process of running, The quality load of fuel tank is primarily subjected to, while having 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, due to bracket for two pieces " several " shaped steel is welded, weldering Connecing position does not have external reinforcing ribs plate, more weak, and the load that experiences a shock during operation, and finally resulting in bracket can not bear institute Load lotus and brittle fracture occurs suddenly.As can be seen here, fuel tank hanger is integrally-built strong for its during the manufacturing Degree control is particularly important.

Traditional fuel tank hanger is generally processed using Bending Mould to steel, first bracket due to flanging depth compared with Greatly, unsuitable first curved punching again, therefore first steel are punched out with operation, then bending treatment is carried out to steel, but traditional Easily there is the bending part of above mentioned problem, i.e. bracket after being welded with fuel tank in bending treatment, fuel tank holds in the palm 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 produces blind crack, forms tired source, and with the increase of distance travelled, crackle gradually extends, the section quilt of component Gradually slacken, so that added load can not be born and brittle fracture occurs suddenly.

Utility model content

The purpose of this utility model is to provide a kind of stamping mold of vehicle oil-tank bracket, facilitates steel to carry out bender Sequence, improves the intensity of bracket bending part, extends the service life of bracket.

The purpose of this utility model is achieved through the following technical solutions：

A kind of stamping mold of vehicle oil-tank bracket, including upper bolster and die shoe, are provided with punch-pin on upper bolster, Cavity plate is installed on die shoe, supporting plate is installed in the cavity plate, and supporting plate top matches and two with male bottom Person is cooperated and constitutes the forming cavity of bracket, and damping cavity is offered in the die shoe, is provided with the damping cavity Sleeve, the lower end of guide pillar is placed in sleeve and spacing is left between damping cavity bottom, and activity runs through successively for the upper end of guide pillar Be connected with supporting plate bottom after die shoe, cavity plate, and gap left between supporting plate bottom surface and guide pillar upper end end face, it is described between Height away from height more than the gap, also including the spring being arranged in sleeve, is provided with the outer circle wall of guide pillar lower end Stress ring, the spring upper end is connected with stress ring, and lower spring end is contacted with the bottom surface of damping cavity.

During work, upper bolster is separated under the drive of driving equipment with die shoe, and steel plate raw material are placed in supporting plate, Upper bolster is driven to move down, punch-pin is contacted with supporting plate, and the molding cavity that steel plate is constituted between punch-pin and supporting plate Gradually it is molded, 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 shoe, when be depressed into for steel plate by punch-pin is fitted completely with supporting plate top, guide pillar stress is moved down, Also stress is moved down stress ring simultaneously, causes spring to be compressed, deformation and deformation recovery by spring itself, by die shoe Slow down elimination described in the impact dynamics being subject to, it is to avoid die shoe, cavity plate and supporting plate stress are damaged and cause its service life Reduce；After steel plate forming, moved on upper bolster, the spring-return elasticity in damping cavity drives and moved in supporting plate, by people Work directly collects the quick of the bracket base in supporting plate, and the external diameter of stress ring is set greater than the external diameter of guide pillar simultaneously, I.e. so that the upper mobile of guide pillar makees to stop after the top contact of stress ring and damping cavity, it is to avoid guide pillar is made in the elastic force of spring With lower excessively upper shifting, preventing the position of supporting plate could reset after repeatedly swinging up and down, and conveniently steel plate punched next time is orderly Carry out.The utility model use Integral bending means, and it is unconventional bending is a little carried out to steel plate, in supporting plate and recessed film Between formed molding cavity in may be such that steel plate entirety stress so that steel plate processing when uniform force, reduce shaping hold in the palm There are stress raisers in the bending part of frame base, it is to avoid bracket during the use after being welded with fuel tank, the bending part of bracket There is blind crack in welding portion and form tired source, improve the service life of bracket

The tipper and level trough of interconnection are provided with the supporting plate, in the connection of the tipper and level trough Place is provided with arc groove.When laminated steel raw material is molded under upper bolster, punch-pin is respectively moved to level trough, arc groove and tipper Bottom land when stop movement, steel plate pushes by punch-pin respectively in level trough, arc groove and tipper, and three kinds of the compound of groove make With can guarantee that the bracket entirety uniform force processed by steel plate, it is to avoid the bending part stress raisers of bracket occur, carry The use intensity of bracket high, the angle of bend needed for steel plate being pressed into fuel tank hanger under the suppressing action of punch-pin；Wherein This programme uses Integral bending means, and it is unconventional bending a little carried out to steel plate, three grooves are connected with each other and may be such that Steel plate entirety stress so that local stress collection occurs in steel plate uniform force in processing, the bending part reduced in shaping bracket base In.

The bottom of the punch-pin matches with tipper, level trough and arc groove, is provided with the male bottom both sides Lower platen.Male bottom matches with the profile of tipper, level trough and arc groove, steel plate can be bent into required shape, The lower platen installed on the both sides of trapezoid block can make steel plate form the contact surface of supporting surface, the supporting surface increase bracket and fuel tank Product, it is ensured that fuel tank stability in use.

The steam vent being in communication with the outside is provided with the damping cavity, the steam vent is just to the bottom of guide pillar.Guide pillar Moved straight down under the strength suppressing action of upper bolster, and the air in cylinder is entered by guide pillar lower end surface in cylinder Row compression, the resistance produced after air compression can to a certain extent stop moving down for guide pillar, similarly in spring-return deformation When the air that compresses can equally produce certain suction and moved on guide pillar slowing down, therefore, inventor sets in the bottom of damping cavity There is steam vent so that sleeve is connected with the external world, while the additional friction formed in sleeve is reduced, moreover it is possible to avoid air from compressing Wait the noise produced when the joint gap loss between sleeve and damping cavity goes out.

The utility model compared with prior art, has the following advantages and advantages：

1st, the utility model use Integral bending means, and it is unconventional bending is a little carried out to steel plate, in supporting plate Steel plate entirety stress is may be such that in the molding cavity formed between recessed film so that steel plate uniform force in processing, reduced Be molded bracket base bending part there are stress raisers, it is to avoid bracket during the use after being welded with fuel tank, bracket There is blind crack and forms tired source in welding portion in bending, improves the service life of bracket；

2nd, the utility model is moved after steel plate forming on upper bolster, the spring-return elasticity in damping cavity, is driven Moved in supporting plate, directly collected the quick of the bracket base in supporting plate by artificial, and be simultaneously set to the external diameter of stress ring More than the external diameter of guide pillar, that is, cause that the upper mobile of guide pillar makees to stop after the top contact of stress ring and damping cavity, it is to avoid lead Post under the elastic force effect of spring excessively on move, prevent the position of supporting plate from could being resetted after repeatedly swinging up and down, conveniently under The orderly of secondary steel plate punched is carried out；

3rd, the utility model is provided with steam vent in the bottom of damping cavity so that sleeve is connected with the external world, is reducing sleeve While the additional friction of interior formation, moreover it is possible to avoid air from compressing the joint gap loss waited between sleeve and damping cavity and go out When the noise that produces.

Brief description of the drawings

Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the sectional view of tipper；

Fig. 3 is the structural representation of supporting plate；

Mark and corresponding parts title in accompanying drawing：

1- cavity plates, 2- supporting plates, 3- guide pillars, 4- punch-pin, 5- upper bolsters, 6- brackets base, 7- die shoes, 8- dampings cavity, 9- sleeves, 10- springs, 11- steam vents, 12- stress ring, 13- tippers, 14- lower platens, 15- arc grooves, 16- level troughs.

Specific embodiment

To make the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing, The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this Utility model, is not intended as to restriction of the present utility model.

Embodiment 1

As shown in Figure 1 to Figure 3, this includes upper bolster 5 and die shoe 7, punch-pin 4 is provided with upper bolster 5, in die shoe Cavity plate 1 is installed on 7, supporting plate 2 is installed in the cavity plate 1, and the top of supporting plate 2 matches and two with the bottom of punch-pin 4 Person cooperates and constitutes the forming cavity of bracket, is offered in the die shoe 7 in damping cavity 8, the damping cavity 8 and installed The lower end for having sleeve 9, guide pillar 3 is placed in sleeve 9 and spacing is left between the bottom of damping cavity 8, and the upper end of guide pillar 3 is lived successively It is dynamic to be connected with the bottom of supporting plate 2 after die shoe 7, cavity plate 1, and left between the bottom surface of supporting plate 2 and the upper end end face of guide pillar 3 Gap, the spacing is highly more than the height in the gap, also including the spring 10 being arranged in sleeve 9, outside the lower end of guide pillar 3 Stress ring 12 is installed, the upper end of the spring 10 is connected with stress ring 12 in circumferential wall, the bottom of the lower end of spring 10 and damping cavity 8 Face contacts.

During work, upper bolster 5 is separated under the drive of driving equipment with die shoe 7, and steel plate raw material are placed in into supporting plate 2 On, drive upper bolster 5 to move down, punch-pin 4 is contacted with supporting plate 2, and what steel plate was constituted between punch-pin 4 and supporting 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 shoe 7, when be depressed into for steel plate by punch-pin 4 is fitted completely with the top of supporting plate 2, The stress of guide pillar 3 is moved down, at the same stress ring 12 also stress is moved down, cause spring 10 to be compressed, by the deformation of itself of spring 10 with And deformation recovery, slow down elimination described in the impact dynamics that die shoe 7 is subject to, it is to avoid die shoe 7, cavity plate 1 and supporting plate 2 Stress is damaged and causes the reduction of its service life；After steel plate forming, moved on upper bolster 5, the spring 10 in damping cavity 8 Elasticity recovery, drives and moved in supporting plate 2, is directly collected the quick of the bracket base 6 in supporting plate 2 by artificial, and will receive simultaneously The external diameter of power ring 12 is set greater than the external diameter of guide pillar 3, that is, cause that the upper mobile of guide pillar 3 makees in stress ring 12 and damping cavity 8 Top contact after stop, it is to avoid guide pillar 3 spring 10 elastic force effect under excessively on move, prevent the position of supporting plate 2 many It is secondary swing up and down after could reset, convenient steel plate punched next time being carried out in order.The utility model uses Integral bending means, and It is unconventional that bending is a little carried out to steel plate, may be such that steel plate is whole in the molding cavity formed between supporting plate 2 and recessed film Body stress so that stress raisers occurs in steel plate uniform force in processing, the bending part reduced in shaping bracket base 6, keeps away Exempt from bracket during the use after being welded with fuel tank, the bending of bracket blind crack occurs and forms fatigue in welding portion Source, improves the service life of bracket

Wherein, the tipper 13 and level trough 16 of interconnection are provided with the supporting plate 2, the tipper 13 with The junction of level trough 16 is provided with arc groove 15.When 5 times laminated steel raw materials of upper bolster are molded, punch-pin 4 is respectively moved to water Rise as high as the banks 16, arc groove 15 and tipper 13 bottom land when stop movement, steel plate is in level trough 16, arc groove 15 and tipper 13 Pushed by punch-pin 4 respectively, three kinds of compound uses of groove, can guarantee that the bracket entirety uniform force processed by steel plate, kept away Exempt from the bending part stress raisers for bracket occur, improve the use intensity of bracket, can be by steel plate under the suppressing action of punch-pin 4 Angle of bend needed for being pressed into fuel tank hanger；Wherein this programme uses Integral bending means, and unconventional to the one of steel plate Point carries out bending, and three grooves are connected with each other and may be such that steel plate entirety stress so that steel plate uniform force in processing, reduce There are stress raisers in the bending part of shaping bracket base 6.

Preferably, the bottom of the punch-pin 4 matches with tipper 13, level trough 16 and arc groove 15, described convex The two bottom sides of mould 4 are provided with lower platen 14.The bottom of punch-pin 4 matches with the profile of tipper 13, level trough 16 and arc groove 15, 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, it is ensured that fuel tank stability in use.

In the present embodiment, the steam vent 11 being in communication with the outside is provided with the damping cavity 8, the steam vent 11 is just right The bottom of guide pillar 3.Guide pillar 3 is moved straight down under the strength suppressing action of upper bolster 5, and by the lower end of guide pillar 3 in cylinder End face is compressed to the air in cylinder, and the resistance produced after air compression can to a certain extent stop moving down for guide pillar 3, The air for similarly being compressed when spring 10 replys deformation can equally produce certain suction to slow down shifting on guide pillar 3, therefore, hair A person of good sense is provided with steam vent 11 in the bottom of damping cavity 8 so that sleeve 9 is connected with the external world, is reducing the extra of the interior formation of sleeve 9 While resistance, moreover it is possible to which what the joint gap loss for avoiding air compression from waiting between sleeve 9 and damping cavity 8 was produced when going out makes an uproar Sound.

Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect One step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the present utility model, is not used to limit Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equally replaces Change, improve, should be included within protection domain of the present utility model.

Claims (4)

1. a kind of stamping mold of vehicle oil-tank bracket, including upper bolster（5）And die shoe（7）, in upper bolster（5）On be provided with Punch-pin（4）, in die shoe（7）On cavity plate is installed（1）, in the cavity plate（1）Supporting plate is inside installed（2）, and supporting plate（2） Top and punch-pin（4）Bottom matches and both cooperate and constitute the forming cavity of bracket, it is characterised in that：In the die shoe （7）Inside offer damping cavity（8）, the damping cavity（8）Sleeve is inside installed（9）, guide pillar（3）Lower end be placed in sleeve （9）It is interior and with damping cavity（8）Spacing, guide pillar are left between bottom（3）Upper end successively activity run through die shoe（7）, cavity plate （1）Afterwards with supporting plate（2）Bottom connects, and in supporting plate（2）Bottom surface and guide pillar（3）Gap is left between the end face of upper end, it is described Spacing is highly more than the height in the gap, also including being arranged on sleeve（9）Interior spring（10）, in guide pillar（3）Lower end is cylindrical Stress ring is installed on perisporium（12）, the spring（10）Upper end and stress ring（12）Connection, spring（10）Lower end and damping chamber Body（8）Bottom surface contact.

2. the stamping mold of a kind of vehicle oil-tank bracket according to claim 1, it is characterised in that：In the supporting plate （2）On be provided with the tipper of interconnection（13）And level trough（16）, in the tipper（13）With level trough（16）Connection Place is provided with arc groove（15）.

3. the stamping mold of a kind of vehicle oil-tank bracket according to claim 1, it is characterised in that：The punch-pin（4）'s Bottom and tipper（13）, level trough（16）And arc groove（15）Match, in the punch-pin（4）Two bottom sides are provided with and push Plate（14）.

4. the stamping mold of a kind of vehicle oil-tank bracket according to claim 1, it is characterised in that：In the damping cavity （8）Inside it is provided with the steam vent being in communication with the outside（11）, the steam vent（11）Just to guide pillar（3）Bottom.