CN204799788U - Car cantilever bracket blanking assembling die that punches a hole - Google Patents

Abstract

The utility model provides a car cantilever bracket blanking assembling die that punches a hole, it includes go up mould subtotal lower mould part, wherein, last mould part, top -down respectively by the upper die base, go up die crushion board, square terrace die, die, the screw of unloading and form, the lower mould part, top -down is respectively by the bottom plate, the cushion, the die holder is constituteed, the base portion of mould between bottom plate and the cushion, is connected through soket head cap screw respectively between die holder and the cushion, the utility model provides a pair of car cantilever bracket blanking assembling die that punches a hole adopts the sheet -metal press working, and the shaping replaces original forging or cast structure, can accomplish left and right material symmetrical arrangement together on the lathe like this, and the atress is even, save material to production efficiency is high, low in production cost, convenient operation moreover, safe and reliable.

Description

A kind of vehicle cantilever bracket punching and blanking assembling die

Technical field

The utility model relates to field of machining a kind of cold punching die, specifically a kind of vehicle cantilever bracket punching and blanking assembling die.

Background technology

Used vehicle cantilever bracket adopts forging or foundry goods mostly after processing, the defects such as be assembled on automobile, this processing method precision is not high, and there is high material consumption, the production cycle is long, and production cost is high.

Utility model content

The purpose of this utility model is a kind of vehicle cantilever bracket punching and blanking assembling die overcoming the problems referred to above and provide, adopt sheet-metal press working, shaping, replace original forging or cast structure, left and right material symmetric arrays can be completed together on lathe like this, uniform force, save material, and production efficiency is high, production cost is low, and it is easy to operate, safe and reliable.

The technical solution of the utility model is: a kind of vehicle cantilever bracket punching and blanking assembling die, it comprises part of the upper die and part of the lower die, wherein, described part of the upper die, is made up of upper bolster, guide pin bushing, upper die plate, square punch, die, unloading bolt from top to bottom respectively.

Described upper bolster and upper die plate and to be recessedly connected by screw and straight pin; Described upper die plate center, the inner chamber of die, by unloading bolt, installs discharging rubber, below discharging rubber, stripper is installed, unloading bolt, by the counterbore in upper bolster, through hole on upper die plate, the through hole on discharging rubber, is connected with stripper upper screwed hole; After installing, the lower plane of stripper exceeds the lower plane 1 ~ 2 millimeter of die; The small end symmetry of described guide pin bushing be press fit in the through hole on the left and right both sides of upper bolster, the hole on guide pin bushing and upper bolster is interference fit.

Described part of the lower die, from top to bottom respectively by base plate, cushion block, the base portion of die shoe composition mould, between base plate and cushion block, is connected respectively by soket head cap screw between die shoe with cushion block.

Above described die shoe, be separately installed with guide pillar, counterdie backing plate, blanking punch, die pad, liftout rubber from bottom to top, blanking punch is installed by counterdie backing plate central authorities, the periphery sides suit of blanking punch, die pad is sleeved on the outside of blanking punch, and upper plane is concordant with the upper plane of blanking punch; Die shoe, lower bolster, blanking punch, adopts hexagon socket head cap screw through the counterbore below die shoe, corresponding through hole on lower bolster, is connected with the screwed hole below blanking punch, die shoe, lower bolster, between blanking punch three, draw-bore, adopts round pin to squeeze into location; Die shoe, backing plate, between liftout rubber and die pad, with trip bolt, by the counterbore below die shoe, through through hole corresponding on counterdie backing plate and liftout rubber, the screwed hole corresponding with on die pad connects; The symmetric position on the left and right both sides of die shoe press-fits guide pillar, and guide pillar and the hole on die shoe are that interference is connected, and guide pillar and guide pin bushing adopt the sliding accessory in gap to connect.

Rear on described die pad and left side are separately installed with two alignment pins, the below of alignment pin is provided with spring, alignment pin can move up and down, for the location of plate, the height of alignment pin is less than material thickness 0.3 ~ 0.4 ㎜, upper and lower part mould is with bolts, is respectively installed on the correspondence position of the upper and lower bottom plate of lathe.

The utility model compared with prior art has following features:

A kind of vehicle cantilever bracket punching and blanking assembling die that the utility model provides, adopt sheet-metal press working, shaping, replace original forging or cast structure, left and right material symmetric arrays can be completed together on lathe like this, uniform force, save material, and production efficiency is high, production cost is low, and easy to operate, safe and reliable, in industry there is application value widely.

Above-mentioned explanation is only the general introduction of technical solutions of the utility model characteristic, for enabling the clearer understanding of professional and technical personnel technological means of the present utility model, and can be implemented according to the content of description, coordinate accompanying drawing to elaborate to preferred embodiment of the present utility model below.

Accompanying drawing explanation

Accompanying drawing 1 is structural representation of the present utility model.

In figure: 1, upper bolster; 2, screw; 3, upper die plate; 4, square punch; 5, square rubber;

6, straight pin; 7, die; 8, die pad; 9, liftout rubber; 10, bolt;

11, counterdie backing plate; 12, die shoe; 13, soket head cap screw; 14, cushion block; 15, base plate;

16, blanking punch; 17, round pin; 18, hexagon socket head cap screw; 19, alignment pin; 20, guide pillar;

21, stripper; 22, unloading bolt; 23, discharging rubber; 24, trip bolt; 25, guide pin bushing;

26, spring

Detailed description of the invention

Below in conjunction with accompanying drawing, and according to concrete scheme, structure, feature and the effect thereof that the utility model proposes, describe in detail.

As shown in Figure 1: a kind of vehicle cantilever bracket punching and blanking assembling die, it comprises part of the upper die and part of the lower die:

Described part of the upper die, from top to bottom respectively by upper bolster 1, guide pin bushing 25, upper die plate 3, square punch 4, die 7, unloading bolt 22 forms; Described cope match-plate pattern 1 is connected by screw 2 and straight pin with upper die plate 3 and recessed 7; Described upper die plate 3 center, the inner chamber of die 7, by unloading bolt 22, discharging rubber 23 is installed, below discharging rubber 23, stripper 21 is installed, unloading bolt 22, by the counterbore in upper bolster 1, through hole on upper die plate 3, the through hole on discharging rubber 23, is connected with stripper 21 upper screwed hole; After installing, the lower plane of stripper 21 exceeds the lower plane 1 ~ 2 millimeter of die 7; The small end symmetry of described guide pin bushing 25 be press fit in the through hole on the left and right both sides of upper bolster 1, guide pin bushing 25 is interference fit with the hole on upper bolster 1.

Described part of the lower die, from top to bottom, respectively by base plate 15, cushion block 14, die shoe 13 forms the base portion of mould, between base plate 15 and cushion block 14, is connected between die shoe 13 with cushion block 14 respectively by soket head cap screw 13.

Above described die shoe 12, be separately installed with guide pillar 20, counterdie backing plate 11, blanking punch 16, die pad 8, liftout rubber 9 from bottom to top, blanking punch 16 is installed by counterdie backing plate 11 central authorities, the periphery sides suit liftout rubber 9 of blanking punch 16, die pad 8 is sleeved on the outside of blanking punch 16, and upper plane is concordant with the upper plane of blanking punch 16; Die shoe 12, lower bolster 11, blanking punch 16, adopts hexagon socket head cap screw 18 through the counterbore below die shoe 12, the corresponding through hole on lower bolster 11, be connected with the screwed hole below blanking punch 16, die shoe 12, lower bolster 11, between blanking punch 16 three, draw-bore, different round pin 17 squeezes into location; Die shoe 12, backing plate 11, between liftout rubber 9 and die pad 8, with trip bolt 24, by the counterbore below die shoe 12, through through hole corresponding on counterdie backing plate 11 and liftout rubber 9, the screwed hole corresponding with on die pad 8 connects; The symmetric position on the left and right both sides of die shoe press-fits guide pillar 20, and guide pillar 20 and the hole on die shoe 12 are that interference is connected, and guide pillar 20 and guide pin bushing 25 adopt the sliding accessory in gap to connect.

Rear on described die pad 8 and left side are separately installed with 2 alignment pins 19, the below of alignment pin 19 is provided with spring 26, alignment pin 19 can move up and down, for the location of plate, the height of alignment pin 19 is less than material thickness 0.3 ~ 0.4 ㎜, on the upper and lower part mould correspondence position being respectively installed to the upper and lower bottom plate of lathe with bolts.

Operation principle of the present utility model and using method are: during work, lathe upper plate is descending, and driven mold upper part moves down, and first stripper 21 pushes down the material be placed on die pad 8, first side's punch 4 goes out the square hole on material, then, below blanking punch 16 starts the inner chamber heading into die 7, realizes the separation of blank, the waste material rushing square hole is like this gone out by the through hole of part of the lower die, be arranged on the discharging rubber 23 of die 7 inner chamber, under the effect of selfer power, draw off the material of needs.The mould of lower part, liftout rubber 9 ejects the rim charge be stuck on the blanking punch 16 of below under the effect of selfer power.Complete punching, blanking operation.

Claims (3)

1. a vehicle cantilever bracket punching and blanking assembling die, is characterized in that: it comprises part of the upper die and part of the lower die, and wherein, described part of the upper die, is made up of upper bolster, guide pin bushing, upper die plate, square punch, die, unloading bolt from top to bottom respectively; Described upper bolster and upper die plate and to be recessedly connected by screw and straight pin; Described upper die plate center, the inner chamber of die, by unloading bolt, installs discharging rubber, below discharging rubber, stripper is installed, unloading bolt, by the counterbore in upper bolster, through hole on upper die plate, the through hole on discharging rubber, is connected with stripper upper screwed hole; After installing, the lower plane of stripper exceeds the lower plane 1 ~ 2 millimeter of die; The small end symmetry of described guide pin bushing be press fit in the through hole on the left and right both sides of upper bolster, the hole on guide pin bushing and upper bolster is interference fit.

2. a kind of vehicle cantilever bracket punching and blanking assembling die according to claim 1, it is characterized in that: described part of the lower die, from top to bottom respectively by base plate, cushion block, the base portion of die shoe composition mould, between base plate and cushion block, be connected respectively by soket head cap screw between die shoe with cushion block; Above described die shoe, be separately installed with guide pillar, counterdie backing plate, blanking punch, die pad, liftout rubber from bottom to top, blanking punch is installed by counterdie backing plate central authorities, the periphery sides suit liftout rubber of blanking punch, die pad is sleeved on the outside of blanking punch, and upper plane is concordant with the upper plane of blanking punch; Die shoe, lower bolster, blanking punch, adopt hexagon socket head cap screw through the counterbore below die shoe, the corresponding through hole on lower bolster, is connected with the screwed hole below blanking punch, and between three, draw-bore, adopts round pin to squeeze into location; Die shoe, backing plate, between liftout rubber and die pad, with trip bolt, by the counterbore below die shoe, through through hole corresponding on counterdie backing plate and discharging rubber, the screwed hole corresponding with on die pad connects; The symmetric position on the left and right both sides of die shoe press-fits guide pillar, and guide pillar and the hole on die shoe are that interference is connected, and guide pillar and guide pin bushing adopt the sliding accessory in gap to connect.

3. a kind of vehicle cantilever bracket punching and blanking assembling die according to claim 2, it is characterized in that: the rear on described die pad and left side are separately installed with two alignment pins, the below of alignment pin is provided with spring, alignment pin can move up and down, for the location of plate, the height of alignment pin is less than material thickness 0.3 ~ 0.4 ㎜, on the upper and lower part mould correspondence position being respectively installed to the upper and lower bottom plate of lathe with bolts.