CN205926825U

CN205926825U - Negative angle degree plastic mould

Info

Publication number: CN205926825U
Application number: CN201620888799.7U
Authority: CN
Inventors: 戴俊
Original assignee: CHANGSHU INNOVATION MOLD Co Ltd
Current assignee: CHANGSHU INNOVATION MOLD Co Ltd
Priority date: 2016-08-16
Filing date: 2016-08-16
Publication date: 2017-02-08
Anticipated expiration: 2026-08-16

Abstract

The utility model discloses a negative angle degree plastic mould, the mode design of lower mould linkage in the adoption, extrusion through lower mould two punch insert on to last mould makes punch insert slide along the hypotenuse of terrace die, through the extrusion of drive block on the last mould to two die plate inserts, make the die plate insert slide at the horizontal direction, through the relative slip of punch insert and die plate insert, can process the part that is less than 90 degrees turn -ups or needs the compensation of turn -ups angle to processing one shot forming, processing back punch insert and die plate insert are automatic to be classified as, conveniently gets the piece.

Description

Negative angle shaping mould

Technical field

This utility model is related to a kind of mould and in particular to a kind of negative angle shaping mould.

Background technology

In the course of processing of sheet metal, often it is related to flanging and restriking step, in prior art, usual one is turned over While needing, using a shaping tool, to lead to complex process, need to put into excessive human resourcess, device resource and space money Source；And, during the flanging and restriking of parts thereof, because flange angle is less than 90 degree or needs to carry out angle benefit Repay, lead to traditional dies to be difficult to Product processing.

Utility model content

The purpose of this utility model is to overcome defect present in prior art, provides a kind of negative angle shaping mould, This mould structure is simple, easy to operate, can greatly improve production efficiency, reduce production difficulty and production cost, improve and produce Quality.

For achieving the above object, design of the present utility model is as follows：

A kind of negative angle shaping mould, is made up of upper die and lower die, wherein, upper mould include cope match-plate pattern, limited post, guide pin bushing, Drive block, punch insert, block, slider guide, punch, upper padding plate and punch fixed seat；Upper padding plate is fixed on cope match-plate pattern, under it Side is fixed with punch fixed seat, is respectively provided with a slider guide in the rear and front end mid portion of upper padding plate and punch fixed seat；Convex Be fixed with punch below model fixing seat, the cross section of this punch is one trapezoidal, wherein, contact with punch fixed seat for long side, Both sides are two hypotenuses；Be connected to a punch insert in punch both sides, in terms of cross-sectional direction, two pieces of punch inserts with convex The length of the hypotenuse of mould contact is less than the length of the hypotenuse of punch, so that two pieces of punch inserts can be slided along the hypotenuse of punch；In punch Lower section rear and front end be respectively provided with a block, for limiting the sliding scale of punch insert；At the both sides of punch fixed seat interval Certain distance, is respectively provided with a drive block, the head of this drive block is wedge shape, can be respectively embedded in die plate insert and the die of lower mould Between frame.

Lower mould includes lower template, guide pillar and die frame, and die frame is fixed in lower template by a lower bolster, in lower template Lower section both sides are connected on base plate by feet respectively, and feet and base plate are used for supporting lower mould；In the centre position of die inframe, Be provided with and push away core for the demoulding, the upper surface pushing away core is consistent with the surface configuration in the middle part of shaped article, this push away connect below core to Push rod below lower template, is connected with supporting plate below push rod；The rear and front end pushing away core is respectively equipped with a guide pad, its position with upper Slider guide on mould is corresponding, for the positioning of punch and die；Push away the locating piece being conformed with the middle of core, at least two pieces, Its shape is consistent with the location hole on product with position, for the positioning of product；Push away core to be respectively arranged on the left side and the right side one recessed Mould insert, the upper outside of this two pieces of die plate inserts is inclined-plane, and bottom is to be slidably connected with die frame bottom, can be in upper mould Horizontally slip in the horizontal direction under the squeezing action of upper drive block；It is provided with cover plate in the rear and front end of die plate insert, on die frame In the face of die plate insert inner surface is provided with wearing plate, it is possible to increase the wearability of mould.

Advantage of the present utility model and having the beneficial effects that：

1st, this negative angle shaping mould structure be simple and convenient to operate, one-shot forming, instead of traditional multiple tracks processing work Sequence, can greatly improve production efficiency, reduce production cost, improve product quality；

2nd, line slip is entered along punch by punch insert, two pieces of punch inserts can be made to separate under matched moulds state, in die sinking Close up to centre under state, prevent part to be processed stuck on punch, facilitate pickup；

3rd, pass through to increase wearing plate between die plate insert and die frame, it is possible to increase the wearability of mould, increase mould Service life；

4th, this negative angle shaping mould is applied to the part processing that flange angle is less than 90 degree, or flange angle is 90 Degree, but angle bounce-back is excessive, reduces angle as compensation on the basis of an angle of 90 degrees.

Brief description

Fig. 1 is the axonometric chart of product；

Fig. 2 is the front view of product；

Fig. 3 is the side view of product；

Fig. 4 is the top view of product；

Fig. 5 is overall perspective view of the present utility model；

Fig. 6 is the axonometric chart of upper mould；

Fig. 7 is the front view of upper mould；

Fig. 8 is the lateral body figure of upper mould；

Fig. 9 is the upward view of upper mould；

Figure 10 is the axonometric chart of lower mould；

Figure 11 is the front view of lower mould；

Figure 12 is the top view of lower mould.

Wherein：1st, upper mould；11st, cope match-plate pattern；12nd, limited post；13rd, guide pin bushing；14th, drive block；15th, No. 2 punch inserts；16、1 Number punch insert；17th, block；18th, slider guide；19th, punch；110th, upper padding plate；111st, punch fixed seat；2nd, lower mould；21st, lower mould Plate；22nd, guide pillar；23rd, die frame；24th, wearing plate；25th, No. 1 die plate insert；26th, No. 2 die plate inserts；27th, lower bolster；28th, push away Core；29th, No. 2 guide pads；210th, No. 1 guide pad；211st, No. 1 locating piece；212nd, No. 2 locating pieces；213rd, feet；214th, base plate； 215th, push rod；216th, supporting plate；217th, cover plate.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Hereinafter implement Example is only used for clearly the technical solution of the utility model being described, and can not limit protection model of the present utility model with this Enclose.

The technical scheme that this utility model is embodied as is：

As Figure 1-4, be finished product structure chart, be divided into the shaping surface of mid portion and the left and right sides.

As shown in figures 5-9, a kind of negative angle shaping mould, is made up of upper mould 1 and lower mould 2, and wherein, upper mould 1 includes mould Plate 11, limited post 12, guide pin bushing 13, drive block 16, No. 2 punch inserts 15 of 14, No. 1 punch insert, block 17, slider guide 18, convex Mould 19, upper padding plate 110 and punch fixed seat 111；Upper padding plate 110 is fixed on cope match-plate pattern 1, is fixed with punch fixed seat below 111, it is respectively provided with a slider guide 18 in the rear and front end mid portion of upper padding plate 110 and punch fixed seat 111；In punch fixed seat It is fixed with punch 19 below 111, No. 1 punch insert 16 and No. 2 punch inserts 15 are connected on punch 19 both sides hypotenuse, And two pieces of inserts can also be respectively provided with a block 17 along the hypotenuse slip of punch 19 in the lower section both sides of punch 19；Solid in punch The both sides of reservation 111 keep at a certain distance away, and are respectively provided with a drive block 14, the head of this drive block 14 is wedge shape, under being embedded into Between No. 1 die plate insert 25 of mould 2 and wearing plate 24 and between No. 2 die plate inserts 26 and wearing plate 24.

As shown in figs. 10-12, lower mould 2 includes lower template 21, guide pillar 22 and die frame 23, and die frame 23 passes through a lower bolster 27 are fixed in lower template 21, and below lower template 21, both sides are connected on base plate 214 by feet 213 respectively；In die frame Centre position in 23, is provided with and pushes away core 28 for the demoulding, pushes away the push rod 215 connecting below core 28 to lower template 21 lower section, top It is connected with supporting plate 216 below bar 215；The rear and front end pushing away core 28 is provided with No. 1 guide pad 210 and No. 2 guide pads 29, its position with Slider guide 28 on upper mould 1 is corresponding；Push away No. 1 locating piece 211 being conformed with the middle of core 28 and No. 2 locating pieces 212, two pieces fixed The shape of position block is consistent with two trapezoidal location holes in the middle of position and product；It is provided with No. 1 die in the left and right sides pushing away core 28 Insert 25 and No. 2 die plate inserts 26, the upper outside of this two pieces of die plate inserts is inclined-plane, can on upper mould 1 the squeezing of drive block 14 Slide in the horizontal direction under pressure effect；It is provided with cover plate 217 in the rear and front end of die plate insert, between die plate insert and die frame 23 It is provided with wearing plate 2.

During normal work, push away core 28 and be in jack-up state, processed product is put between upper mould 1 and lower mould 2, by under No. 1 locating piece 211 on mould 2 and No. 2 locating pieces 212 make processed product position；Upper mould 1 is made to be pressed downward by power set, Make the guide pillar 22 on lower mould 2 insert in the guide pin bushing 13 on upper mould 1 to be positioned, the limited post 12 simultaneously passing through on upper and lower mould is carried out Spacing；Under the pressure of upper mould 1 and lower mould 2 acts on, No. 1 punch insert 16 and No. 2 punch inserts 15 will push away core 28 and be pressed downward, and make The processed product mid portion that core 28 upper surface must be pushed away is recessed, and No. 1 punch insert 16 and No. 2 punch inserts 15 are along convex simultaneously The inclined-plane of mould 19 left and right sides slides to punch fixed seat 111 direction, and the left and right drive block 14 simultaneously gone up on mould 1 is inserted respectively into Between No. 1 die plate insert 25 of lower mould 2 and wearing plate 24 and between No. 2 die plate inserts 26 and wearing plate 24, extrude No. 1 die Insert 25 and No. 2 die plate inserts 26, make two pieces of die plate inserts carry out level slip to centre；Expanding outwardly by punch insert Motion and the motion that comes closer of die plate insert, make the both sides shaping surface of processed product be clamped in punch insert and die plate insert Between, complete shaping processing.

After product completes processing, upper mould 1 molds upwards, No. 1 punch insert 16 and No. 2 punch insert 15 springs internally In the presence of along the hypotenuse of punch 19 left and right sides to block 17 direction slide, carried out spacing by block 17；Meanwhile, No. 1 Die plate insert 25 and No. 2 die plate inserts 26, in the horizontal direction to two Slideslips, push away core 28 and push up upwards in the presence of push rod 215 Rise, finished product is pushed up, facilitates pickup.

The above is only preferred implementation of the present utility model it is noted that common skill for the art For art personnel, on the premise of without departing from this utility model know-why, some improvements and modifications can also be made, these change Enter and retouch also to should be regarded as protection domain of the present utility model.

Claims

1. a kind of negative angle shaping mould, including upper die and lower die it is characterised in that described upper mould includes cope match-plate pattern, spacing Post, guide pin bushing, punch, punch insert and drive block；Described punch is fixed on described by a punch fixed seat and a upper padding plate Cope match-plate pattern on, and the cross section of described punch is one trapezoidal, described trapezoidal long side and described punch fixed seat phase Contact, the both sides of described punch are respectively connected with the punch insert described in, in terms of described cross-sectional direction, described punch The length of the hypotenuse that insert is contacted with described punch is less than the length of the hypotenuse of described punch so that described punch insert can Inclined-plane along described punch both sides slides；Below described punch, rear and front end is respectively provided with a block, described to limit The sliding scale of punch insert；Described punch fixed seat both sides are respectively provided with the drive block described in, the head of described drive block Portion is wedge shape；Described lower mould includes lower template, guide pillar and die frame；Described die frame is fixed on described by a lower bolster Lower template on, in the centre position of described die inframe, be provided with one and push away core, the described upper surface and the shaped article that push away core The surface configuration at middle part is consistent, and described pushing away is connected with some push rods below core, and described push rod lower end connects under described Supporting plate below template；Described push away the locating piece that core upper surface is conformed with, at least two pieces of described locating piece, shape and Position is consistent with the location hole on described product；The described die plate insert that is respectively arranged on the left side and the right side pushing away core, described The upper outside of die plate insert is inclined-plane；Position on upper mould for the described drive block is to be embedded into lower mould in matched moulds Between die plate insert and described die frame；Described die plate insert and described die frame bottom are to be slidably connected, Neng Gou Horizontally slip in the horizontal direction under the extruding of described drive block.

2. the negative angle shaping mould according to claim 1 is it is characterised in that described upper padding plate and punch fixed seat Rear and front end mid portion be respectively provided with a slider guide, the described rear and front end pushing away core is respectively equipped with a guide pad, described The position of slider guide is corresponding with the position of described guide pad.

3. the negative angle shaping mould according to claim 1 is it is characterised in that below described lower template both sides are respectively Connected to a base plate by feet.

4. the negative angle shaping mould according to claim 1 is it is characterised in that described die frame is in the face of described recessed On inner surface outside mould insert, wearing plate is installed.