CN2206195Y

CN2206195Y - Die with automatic ejecting device

Info

Publication number: CN2206195Y
Application number: CN 94223018
Authority: CN
Inventors: 刘志升
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-10-14
Filing date: 1994-10-14
Publication date: 1995-08-30
Anticipated expiration: 2004-10-14

Abstract

The utility model relates to a die with an automatic ejecting device. The die is characterized in that the die adopts a novel structure with a male and a female die plates and a pouring-channel ejecting mechanism, a finished product can one time finish the automatic peeling in the die when the plastic finished product finishes the ejecting forming operation, and meanwhile, a feed channel is ejected and removed. The problem that the ejecting forming of the used die has the secondary operation is solved.

Description

Die with automatic ejecting device

Arrived by a large amount of production eras of what, with plastic injection forming mold production, uses very extensively, but face huge ejecting product, what brought is the puzzlement of secondary operations, adds that the shortage of manpower and quality can't effectively control, and makes finished product ejaculation production operation receive greatly to pin down; Take a broad view of domestic plastic cement ejaculation industry and face external powerful competitive pressure, there's no one who doesn't or isn't day and night go all out, remedy the production time-histories, its hardships are well imagined.

Tradition is commonly used on the prior art of plastic injection forming mold, after its finished product penetrates, the mould of point feeding manner is by the effect of shutter, impel the movable side pattern plate (being the male model plate) in fixation side pattern plate (being caster) territory to peel off, though its structure is feasible, but it is frequent because of penetrating start, need often to change because of wearing and tearing, and it is pulled away from sound noise and also causes that operating personnel's is tired blunt: again by the what finished product after penetrating, still need through the unnecessary material of artificial excision road, take secondary operations, increase and produce and personnel's burden, non-our institute's desire pleasure is seen.

With regard to the many production of above-mentioned plastic mould disappearance, study carefully its root by, at the traditional plastic injection forming mold of what, can't break through existing stereotype and make so.

This creator is because above-mentioned plastic injection forming mold, for effectively solving and promote the plastic injection forming mold quality of point feeding manner, in process of production, male and female template and new Ying's improvement design structure group of annotating the road ejecting mechanism by this mould, when the operation of plastic cement finished product what ejection formation is finished, this finished product is able to once finish automatically in mould and peels off, and will expect to eject removing simultaneously, solves the puzzlement of commonly using plastic mould ejection formation secondary operations.

The simple declaration of accompanying drawing

Fig. 1 is a composite construction stereogram of the present utility model.

Fig. 2 is the textural view of the utility model die assembly.

Fig. 3 is a die assembly structural section of the present utility model.

Fig. 4 is the structural section of the utility model what first die parting line actuator state.

Fig. 5 is the structural section of the utility model what first die parting line actuator state.

Fig. 6 is the structural section of the utility model what first die parting line actuator state.

Fig. 7 is the structure section circle of first and second die parting line actuator state of the utility model what.

Fig. 8 is the structural section of first and second die parting line actuator state of the utility model what.

[figure number explanation]

Fixedly die holder 1:

Master mold clamping plate 11, sprue bushing 12, sprue bushing hole seat 121, material road system 120, sprue channel 1201, the automatic allocation hook 1221 of stub bar, runner 122, material grasping ejector spring pin 13, material grasping ejector spring pin-and-hole seat 131, fixation side locating ring 14, spring 131, movable die holder 2: master mold backboard 21, feed channel 211, loose bush seat hole 212, master mold board 22, master mold 221, male model backboard 23, ring portion bearing hole 231, male model board 24, male model 241, male model bearing hole 2411, spacer block 25, stop pull bar 26, upper ejector plate 27, following liftout plate 28, knock pin 2401, return pin 231, master mold bearing hole 2211, male model clamping plate 29, movable side locating ring 291, return spring 2912, annotate road ejecting mechanism 3: loose bush 31, annotate road knock-pin 32, spring 33, spring locating snap ring 34, alignment pin 35 loose bush 31: ring portion 3101, eject pole socket hole 311, eject a hole seat 312, annotate stagnant material hole, road seat 313, spring holds hole seat 314, annotate road knock-pin 32: eject 321, knock-pin 322

[detailed description of creation] (Description of Invention)

Below in conjunction with accompanying drawing the utility model is described in detail, the utility model comprises by a fixing die holder 1, one movable die holder 2 and one is annotated road ejecting mechanism 3 structures and is established and form: wherein this one fixedly die holder 1 roughly include master mold clamping plate 11, structure groups such as one sprue bushing, 12 material grasping ejector spring pins 13 and a fixation side locating ring 14, offer a sprue bushing hole seat 121 in the middle of the what master mold clamping plate 11, adjoiner then has some material grasping ejector spring pin-and-hole seats 13, borrow fixation side locating ring 14 to screw togather element with sprue bushing 12 and material grasping ejector spring pin 13 fixedly in the seat of what hole, wherein have sprue channel 120 in this sprue bushing 12, join and form a material road system 120 with the notes road of offering in the feed channel 211 of the runner 122 of master mold clamping plate 11 and master mold backboard 21 and the loose bush 31 material hole seat 313 that stagnates, runner 122 rear end with middle master mold clamping plate 11, offer one and be the automatic allocation hook 1221 of the stub bar that retreads, after die sinking, this material grasping ejector spring pin 13 is borrowed interior sleeve spring 131, movable die holder 1 is ejected from the first die parting line PL1 place, will expect simultaneously system 120 oneself fixedly die holder 1 eject and peel off.

This movable die holder 2 mainly roughly includes a master mold backboard 21, a master mold board 22, a male model backboard 23, a male model board 24, a spacer block 25, a stop pull bar 26, a upper ejector plate 27, once liftout plate 28, a knock pin 2401, a return pin 231, male model clamping plate 29, one movable side locating ring 291 and a return spring 2912 structure groups form; Wherein this master mold backboard 21 is to integrally combine to screw togather element 211 with master mold board 22, what central authorities have the loose bush seat hole of running through 212, the loose bush seat hole 212 adjoiner peripheries of master mold backboard 21, have the feed channel 211 of soma connection die cavity, this master mold board 22 seals what feed channel 211 places mutually, must have master mold bearing hole 2211.

These male model board 24 central portions, have with ring portion 3101 relative sizes of loose bush 31 run through a hole 341, run through the relative master mold bearing hole 2211 of a hole 341 adjoiners, must have some male model bearing holes 2411; These public affairs are passed through the adjacent portion bearing hole 231 that backboard 23 has relative through hole, borrow stop pull bar 26 start (this structure belongs to known) that combines when male model board 24 and master mold board 22, a loose bush 31 of annotating road ejecting mechanism 3 just can engage what

male model board

24 and 22 starts of master mold board therebetween.

The structure of relevant this notes road ejecting mechanism 3 mainly is to annotate structure groups such as road knock-pin 32, a spring 33, a spring locating snap ring 34, an alignment pin 35 by a loose bush 31, to form; This loose bush 31 is to be round body, the one side has the ring portion 3101 of protrusion, it is fit what feature die

board

22,24 and feature die

backboard

21,23 central seat hole 212,341,231 ones, center section part in the lining has one and ejects pole socket hole 311, offer on this hole to omit a hole seat 312 that ejects of heavy caliber, with cooperation hold establish annotate road knock-pin 32 eject 321 with knock-pin 322, eject the upper end in headstock hole 312, and the notes road that the offers batch road system 120 material hole seat 313 that stagnates, and the what loose bush has for 31 times and ejects pole socket hole 311 bigger springs and hold hole seat 314, to annotate knock-pin 32 and expect that from annotating to stagnate seat hole 313 ends run through axle and set in the loose bush seat hole 212, and be inserted in a spring 33 in regular turn by the bottom of annotating road knock-pin 32 and hold hole seat 314 with spring, with a spring locating snap ring 34, mat alignment pin 35 is what knock-pin 322 appropriate locations fixedly, and this notes road knock-pin 32 is engaged in the what loose bush 31.

The utility model is ejected by a plunger knock-pin 4 starts propelling movement of what plastic rubber ejection shaping apparatus, makes this notes road ejecting mechanism 3 be cooperated the ejaculation stroke to eject automatically; The start order of format creation mould ejecting structure is arranged, please consult each accompanying drawing, further specify as follows:

1. as Fig. 2, this material grasping ejector spring pin 13 after the die sinking is borrowed interior sleeve spring 131, movable die holder 2 is ejected from the first die parting line PL1 place, will expect simultaneously system 120 oneself fixedly die holder 1 eject and peel off.

2. as Fig. 3, movable die holder 2 is pulled out sprue channel 1201, and the start while, fixedly the automatic allocation hook 1221 of the stub bar of die holder 1 is peeled off master mold 221 with feed channel 211.

3. as Fig. 4, the knock-pin 322 of annotating road ejecting mechanism 3 ejects forward along the axle center, borrow spring locating snap ring 34 with sheathed spring 33, loose bush 31 is ejected forward, its ring portion 3101 is just pushed up the second die parting line PL2 place to feature die

board

22,24, wherein these loose bush 31 front ends are ejected suitable distance, material road system 120 is ejected forward with master mold backboard 21 be suitable spacing.

4. as Fig. 5, this loose bush 31 is borrowed its ring portion 3101, with master mold board 22 and male model board 24, divides mould to eject from the second die parting line PL2, and push-out ram provided 4 with knock-pin 322, pushes to liftout

plate

27,28 bottom surfaces up and down forward.

5. as Fig. 6, push-out ram provided 4 continuously eject knock-pin 322 with the propelling movement that link forward of liftout plate 27 28 up and down, make to eject 321 and knock pin 2411, will annotate delay portion and finished product simultaneously and eject and peel off, and finish ejecting operation automatically.

By above-mentioned mechanism's start, the male and female template 21 of the utility model mould, 22,23,24 with the novel improvement design structure group of annotating road ejecting mechanism 3, when minute mould, this annotates the ring portion 3101 of the loose bush 31 of road knock-pin 32,

master mold board

22 and 24 fens moulds of male model board must be ejected, and borrow this notes road knock-pin 32 eject 321 and knock pin 2401, to annotate delay portion and finished product simultaneously ejects and peels off, when the operation of plastic cement finished product what ejection formation is finished, this finished product is able to once finish automatically in mould and peels off, and will expect that simultaneously system 120 ejects removing, it ejects operation automatically, makes mould greatly promote production efficiency of products.

But the mould that this creation has an automatic ejection device in addition to the implementation, and the different occasions of still extensible what are used, so use the specification and the claim content of this creation such as, the equivalent structure of being done variation ought to all be included in this creation claim.

Take a broad view of above-mentioned, mould with ejecting structure of the present utility model, its novel constructing apparatus design, there is no identical or approximate novel structure device openly formerly, also than the space kenel of traditional moulds pushing method, comparatively easy excellence, the effect that produces is not also comparatively commonly used person's structure, than the design of tool Nover practical, filled the regulation that part meets utility model patent, utility application is proposed hereby in accordance with the law.

Claims

1, a kind of mould with ejecting structure, comprise by one fixedly die holder, a movable die holder, one annotate road ejecting mechanism structure and establish and form,

It is characterized in that ejecting this fixing die holder of operation automatically, include for finishing:

One master mold clamping plate, its central portion offer-sprue bushing hole seat, and periphery has some material grasping ejector spring pin-and-hole seats in abutting connection with appropriate location;

One sprue bushing is the sprue bushing hole seat of bearing what master mold clamping plate, and central authorities have sprue channel;

One material grasping ejector spring pin is the material grasping ejector spring pin-and-hole seat of bearing what master mold clamping plate, and the sleeve spring start ejects in the mat;

One fixation side locating ring, with sprue bushing and material grasping ejector spring pin to screw togather fixedly what master mold clamping plate of element;

This movable die holder roughly includes:

One master mold backboard is to combine fixingly with the master mold board, and the what central portion has the loose bush seat hole of running through, and loose bush seat hole adjoiner periphery has the feed channel of some connection die cavitys;

One master mold board, be with the master mold backboard screwing togather the combination of elements one, what the what central portion had a relative master mold backboard runs through loose bush seat hole, what feed channel place has some master mold bearing holes relatively;

One male model backboard, what central portion have the hole of running through with loose bush ring portion relative size, run through the relative master mold bearing hole of a hole adjoiner, must have some male model bearing holes;

One male model backboard, system and male model board are to screw togather the combination of elements one, and the what central portion has the ring portion of relative male model board through hole and holds the hole seat, makes the loose bush ring portion be able to bearing, this ring portion is held seat bottom, hole, and has the through hole of a relative master mold backboard and master mold board;

One spacer block is to put between what male model backboard and male model clamping plate, and central portion has a hole of running through of the upper and lower liftout plate of bearing;

One stop pull bar is to establish what spacer block periphery seat hole, braking male and female template;

One ends liftout plate, and its central portion has the knock-pin through hole, and the periphery appropriate location has a hole, holds and establishes with return pin and knock pin:

Once liftout plate is that mat screws togather the element fixedly return pin and the knock pin of upper ejector plate, and the central portion of upper ejector plate has the knock-pin through hole relatively;

One knock pin is a pushing-off product, puts what upper ejector plate seat hole;

One return pin is to make liftout plate braking return, puts what upper ejector plate seat hole;

One male model clamping plate, central portion has plunger and ejects the hole, has with edge and screws togather locating hole, is sheathed with return spring;

One movable side locating ring is sealed return spring and make things convenient for fixed bit what board;

One return spring is fit what male model clamping plate;

This notes road ejecting mechanism mainly includes:

One loose bush is round body one side and has the protrusion ring portion, is the central seat hole part of fit what feature die board and feature die backboard, have in the lining run through eject the pole socket hole;

One annotates the road knock-pin, has to eject head and knock-pin;

One spring is to be inserted in the what knock-pin by the bottom of annotating the road knock-pin, holds the spring base hole of establishing in the what loose bush;

One spring locating snap ring is borrowed fixedly what knock-pin appropriate location of an alignment pin;

2, the mould of tool ejecting structure as claimed in claim 1, it is characterized in that peeling off after the material grasping ejector spring pin what die sinking of these master mold clamping plate for expecting that simultaneously system ejects from fixing die holder, movable die holder is ejected from the first die parting line place, the runner end place of these master mold clamping plate offers one and is the automatic allocation hook of stub bar that expect the back.

3, the mould of tool ejecting structure as claimed in claim 1, it is characterized in that for making this notes road knock-pin be engaged the notes road knock-pin of this notes road ejecting mechanism of start in the what loose bush, system establishes in the what loose bush seat hole from annotating the material seat nose end axle that stagnates, this knock-pin is arranged with a spring, borrows a spring locating snap ring with the fixing what knock-pin appropriate location of alignment pin.

4, the mould of tool ejecting structure as claimed in claim 1, be characterised in that so as to cooperating bearing knock-pin upper spring and the start of spring locating snap ring in the loose bush of this notes road ejecting mechanism, its center section part has one and ejects the pole socket hole, offer on this hole and eject the headstock hole with heavy caliber slightly, hold to establish and eject head and knock-pin with what annotate the road knock-pin, the material seat hole that stagnates, the notes road that ejects the upper end in headstock hole and offer batch road system ejects bigger spring retainer hole, pole socket hole and have under the what loose bush.