CN107972238A

CN107972238A - A kind of plastic injection processing mould

Info

Publication number: CN107972238A
Application number: CN201711419747.0A
Authority: CN
Inventors: 毛玉珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-25
Filing date: 2017-12-25
Publication date: 2018-05-01

Abstract

The invention discloses a kind of plastic injection processing mould, including lower die, the upper mold above lower die, demoulding column, the upper mold seat in upper mold, injection channel, the injection molding cavity in lower die and dismountable die holder in injection molding cavity between upper die and lower die；Operating cavity is equipped with the lower die, is equipped with and is partly penetrated to the anti-falling piece in the injection molding cavity in the operating cavity, the die holder is equipped with and the matched anti-delinking part of the anti-falling piece；The lower die is equipped with two assembling and dismantling handlers being engaged with the anti-falling piece for releasing the cooperation between the anti-falling piece and anti-delinking part.The present invention is provided with the setting of attaching/detaching apparatus, the controllable state extremely departed from by the state rapid translating of grafting anticreep between anti-falling piece and anti-delinking part, consequently facilitating die holder can be quickly by taking out, without prizing die holder by force in injection molding cavity, die holder is hardly damaged, service life length.

Description

A kind of plastic injection processing mould

Technical field

The invention belongs to injection molding technical field, more particularly, to a kind of plastic injection processing mould.

Background technology

Injection is a kind of method of industrial products production moulding, is that thermoplastic or thermosetting property material are utilized plastic shaping The method that variously-shaped plastic products are made in mould.Existing injection-moulding device is usually that injection molding machine mating mold is together molded into Type, under this kind of mode, an injection-moulding device can only be molded the plastic products of corresponding die shape.Need to be molded different plastics systems During product, it is necessary to different moulds is replaced, but in existing injection-moulding device, mould is typically to be directly embedded into lower die, when , it is necessary to need to apply when replacing inconvenience, and prizing mould by prizing in injection molding cavity by mould using instrument when needing replacing mould Very big power could prize mould, not only time-consuming and laborious, and easily mould be caused to damage.Meanwhile workpiece work in the demoulding It is difficult to separate between part and mould, the demoulding is difficult.

The content of the invention

The present invention is in order to overcome the deficiencies of the prior art and provide a kind of plastics conveniently stripped, die change is time saving and energy saving Injection molding mould.

To achieve these goals, the present invention uses following technical scheme：A kind of plastic injection processing mould, including lower die, Upper mold above lower die, the demoulding column between upper die and lower die, the upper mold seat in upper mold, injection channel, set In the injection molding cavity in lower die and dismountable die holder in injection molding cavity；Operating cavity, the operating cavity are equipped with the lower die Interior be equipped with partly is penetrated to the anti-falling piece in the injection molding cavity, and the die holder is equipped with and the matched anticreep of the anti-falling piece Portion；The lower die is equipped with two assembling and dismantling being engaged with the anti-falling piece for releasing the cooperation between the anti-falling piece and anti-delinking part Handler, the two assembling and dismantling handler are symmetrical arranged along the center line of the lower die；The lower die be equipped with workpiece ejection piece and with The matched actuator of workpiece ejection piece, the die holder are equipped with the opening stretched out for the workpiece ejection piece.In the present invention Realize that the anticreep between die holder and injection molding cavity coordinates by the cooperation of anti-falling piece and anti-delinking part, so that the outside diameter of die holder can be set The internal diameter for being slightly less than injection molding cavity is set to, so that stuck state will not be completely between the two so that die holder relative injection chamber Dismounting it is more convenient；And there is provided the setting of attaching/detaching apparatus, it can control between anti-falling piece and anti-delinking part by the shape of grafting anticreep State rapid translating is to the state departed from, consequently facilitating die holder can be quickly by taking out, without prizing lower die by force in injection molding cavity Seat, die holder are hardly damaged；Come out after workpiece injection molding, it is necessary to be demoulded in by die holder, pass through setting for workpiece ejection piece Put, can quickly realize the jacking operation to workpiece so that workpiece directly departs from die holder in discharging, and the demoulding is quick.

Further, the provision for disengagement includes one end lever piece matched with the anti-falling piece, another with the lever piece The matched casting die in one end, act on reset components on the anti-falling piece and with the matched driving part of the casting die, it is described Casting die outer end portion extend out to the lower die side wall to be engaged with the driving part；There is provided lever piece, so as to use Lever principle driving anti-falling piece action, so that the active force acted on casting die easily can drive anti-falling piece to move without excessive Dynamic, simple operation is laborsaving.

Further, the reset components are the stainless steel shrapnel that the multiple wavy shaped configurations being spaced apart are set；It is stainless The sound construction of steel bomb piece, and return action power is big, so that when anti-falling piece and anti-delinking part coordinate, stainless steel shrapnel can act on Larger pressure is on anti-falling piece so that the cooperation between anti-falling piece and anti-delinking part is stablized, die holder firm position.

Further, the reset components are the multiple compression springs being spaced apart；Compression spring is simple in structure, easy for installation, can carry The efficiency of assembling of high equipment.

Further, the driving part includes being articulated with the connecting portion arranged on the connecting portion of the lower die side wall and middle part On spanner；The spanner, which has, pulls end and driven end, this pulls the both sides that end and driven end are located at the connecting portion respectively；Institute State driven end and be equipped with the card division coordinated with the casting die anticreep.

Further, when pull it is described pull end when, the driven end drives the casting die to close to the direction of injection molding cavity Mobile, the anti-falling piece is with the casting die counteragent to release the cooperation with anti-delinking part；Pressure can be driven by pulling spanner Part is moved, so that control anti-falling piece to be moved, for situation of the operation compared to direct pressing casting die for pulling spanner, The power smaller applied is needed, operation is more laborsaving；And pulling to pull downwards due to spanner, operation smoothly, can apply compared with Big power, while comfort and laborsaving sense can have been lifted.

Further, the lower die, which is equipped with, is used to jack up the jacking component of the die holder upwards, the casting die to by During the nearly injection cavity direction movement, jacking operation can occur under the driving of casting die for the jacking component；By jacking component Setting so that die holder can under the jacking of jacking component directly by injection molding cavity in stretch out so that without under when replacing Die holder carries out prizing die holder, you can directly die holder taken, it is easy to operate, and it is time saving and energy saving, and die holder will not answer To force to prize to damage, service life length.

Further, the jacking component is engaged including the jacking part below the injection molding cavity, with the jacking part Driving member and with the matched impeller of the driving member；Described driving member one end is engaged with jacking part, and the other end is with promoting Part is engaged；The impeller can push down on the driving member under the driving of casting die, and driving member can drive jacking part to move up Jack up die holder；Impeller movement can be directly driven during casting die action, realizes the jacking operation of jacking component, and then works as and pulls During hand, the disengaging of anti-falling piece and anti-delinking part can be synchronously realized, while realize jacking operation of the jacking component to die holder, without dividing Step operation releases the operation of anticreep and jacking to realize respectively, and operation is more easy to be laborsaving；Without in addition setting actuator to realize The jacking for jacking component is operated, parts are few, and failure rate is low；And the driving principle between impeller and jacking part is also lever Principle, so that push piece need not act on power very big on driving member, you can realize the fast servo of jacking part, and jack dynamics It is larger, be not in the situation that can not jack up die holder.

Further, there is the portion that arches upward, which is at least partly bent to form by the impeller on the impeller； The casting die is engaged with the portion of arching upward, and the portion of arching upward has certain deformability, will when casting die is pressed into the portion of arching upward So that the portion of arching upward is stretched, so as to promote driving member to act, you can realizes the jacking operation of jacking part.

Further, the workpiece ejection piece includes the body of rod and the arc panel with being connected in body of rod top, the arc panel On be arranged with sealing ring；Arc panel can increase the contact area between jacking part and workpiece, be more easy to workpiece being lifted off die holder, and Workpiece is not in the excessive situation of local pressure, is hardly damaged；Sealing ring can realize excellent sealing with opening, so as to avoid noting Hot modeling liquid in the gap between opening and sealing ring by revealing downwards during modeling.

In conclusion the present invention has the following advantages：Die holder is convenient for disassembly and assembly, and need not prize die holder, and die holder is not It is fragile, service life length；Workpiece can depart from die holder in discharging under the jacking of workpiece ejection piece, and the demoulding is quick.

Brief description of the drawings

Fig. 1 is the structure diagram of the present invention.

Fig. 2 is the enlarged drawing at B in Fig. 1.

Embodiment

In order to make those skilled in the art be better understood from the present invention program, below in conjunction with the embodiment of the present invention Attached drawing, carries out the technical solution in the embodiment of the present invention clear, complete description.

As shown in Figs. 1-2, a kind of plastic injection processing mould, including lower die 1, the upper mold 2 above lower die, arranged on upper mold Demoulding column 3 between lower die, the upper mold seat 4 in upper mold, injection channel 5, the injection molding cavity 6 in lower die and detachable Be arranged on injection molding cavity in die holder 7；4 top of upper mold seat is arranged on a connecting pole, which is spirally connected with the upper mold, from And make it that upper mold seat is removable with respect to upper mold；Also be provided with cavity on the die holder, the internal structure of the cavity and upper mold seat it is outer Portion's structure is identical, by the cooperation of upper and lower mould, realizes injection molding；It is arranged in the injection channel in upper mold, the upper mold A passage also is provided with seat, when upper mold seat is connected with upper mold, the top of the passage is connected with injection channel, and lower part extends to down The lower part of die holder, so that when upper and lower mould is close to each other so that upper mold seat is entered in die holder, and is occurred between upper and lower die holder Behind the gap of corresponding thickness of workpiece, molten plastic is injected into the gap by injection channel；Further, a left side for the lower die An operating cavity 11 is respectively equipped with right both sides, anti-falling piece 12 is respectively equipped with two operating cavities, which is made of metal, and prevents De- part will have part to be outwards pierced by by the side wall of injection molding cavity, penetrate to injection molding cavity in original state；The die holder 1 Left and right sidewall is equipped with anti-delinking part 13 matched with the anti-falling piece, which is the opening on die holder side wall Groove, two anti-falling piece can be respectively penetrated to corresponding open slot, realized to the spacing of die holder.

Die holder is dismounted for convenience, we are provided with the lower die 1 and are engaged with the anti-falling piece 12 For releasing two assembling and dismantling handlers of the cooperation between the anti-falling piece and anti-delinking part 13, and the two assembling and dismantling handler is along under described The center line of mould 1 is symmetrical arranged, and then two anti-falling pieces each correspond to an attaching/detaching apparatus；Specifically, the provision for disengagement includes lever piece 81st, casting die 82, reset components 83 and driving part, the lever piece 81 are a metallic rod, and support seat, the thick stick are equipped with operating cavity The middle part of rod piece 81 and the support seat hinge；81 one end of lever piece is connected with the anti-falling piece, other end casting die 82 with it is described Casting die is connected；The reset components 83 are the stainless steel shrapnel that multiple wavy shaped configurations for being spaced apart are set, these stainless steels The equal one end of shrapnel is connected with operation cavity wall, and the other end is connected with one end that lever piece is connected with anti-falling piece, so that resetting The active force of component 83 can be acted on to anti-falling piece；In other embodiment, the reset components 83 may be configured as interval point Multiple compression springs of cloth, the equal one end of these compression springs are connected with operation cavity wall, one end that the other end is connected with lever piece with anti-falling piece It is connected；During original state, 82 outer end of casting die extend out to 1 side wall of lower die to be engaged with the driving part, described Driving part includes the spanner 85 being articulated with arranged on the connecting portion 84 of the lower die side wall and middle part on the connecting portion；The spanner 85 With end 851 and driven end 852 is pulled, this pulls two side positions that end 851 and driven end 852 are located at the connecting portion 84 respectively On；Further, the driven end 852 is equipped with card division 853, which is hollow set to be fixed on driven end internal The cutting ferrule put, which, which directs out, has extended to form a circle flange, and the casting die outer end is penetrated to the cutting ferrule, and outside A ring groove is arranged on the lateral wall of end, when casting die outer end is penetrated to cutting ferrule, flange can just be penetrated to annular groove, realized Anticreep between spanner and casting die coordinates.

Specifically, when pull it is described pull end 851 when, the driven end 852 drives the casting die 82 to close to injection molding cavity 6 Direction movement, lever piece drives the anti-falling piece 12 and 82 counteragent of casting die, and then anti-falling piece retraction is to operating cavity It is interior, so release with the cooperation of anti-delinking part 13, at this time die holder can relative injection chamber dismantled.

Be used to jack up the jacking component 9 of the die holder upwards preferably, the lower die 1 is equipped with, the casting die to During close to the injection cavity direction movement, jacking operation can occur under the driving of casting die for the jacking component 9；Specifically, institute State jacking component 9 include be arranged on the injection molding cavity below jacking part 91, with the matched driving member 92 of the jacking part and with this The matched impeller 93 of driving member；The jacking part is metallic rod body, and the driving member is a metallic rod, is set in the operating cavity There is a convex portion, be hinged in the middle part of the driving member with the convex portion, so that driving member becomes lever；Described 92 one end of driving member and top Rise part 91 to be engaged, the other end is engaged with impeller 93；The impeller 93 can push down on the biography under the driving of casting die Moving part 92, driving member 92 can drive jacking part 91 to move up jack-up die holder；Specifically, the impeller 93 is stainless steel plate, and There is the portion 931 that arches upward, which is directly bent to form by impeller middle and upper part position on the impeller 93；By In stainless steel plate there is certain deformability, when moved in casting die press arch upward portion when, the portion of arching upward will be driven plain, so that push piece Length, pushes down on one end of driving member, and the other end of driving member can be upturned so that jacking part moves up.

In order to facilitate take out be molded after workpiece, we in the lower die 1 be provided with workpiece ejection piece 101 and with the work The matched actuator 102 of part ejection piece, the actuator are the motor that is directly commercially available on the market, the workpiece ejection piece It is made of metal, which includes the body of rod 103 and the arc panel 104 for being connected in body of rod top, the radian of the arc panel It is identical with the cavity bottom radian in die holder；The die holder 7 is equipped with the opening stretched out for the arc panel, the shape of the opening Shape and size are identical with arc panel；Preferably, a circle sealing ring 105 is arranged with the arc panel, can be right by the sealing ring Closed in gap between arc panel and opening.

Obviously, described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment, should all belong to the scope of protection of the invention.

Claims

1. a kind of plastic injection processing mould, including lower die（1）, upper mold above lower die（2）, between upper die and lower die Demoulding column（3）, upper mold seat in upper mold（4）, injection channel（5）, injection molding cavity in lower die（6）It is and dismountable Die holder in injection molding cavity（7）；It is characterized in that：The lower die is equipped with anti-falling piece（12）, the die holder（1）On set Have and the matched anti-delinking part of the anti-falling piece（13）；The lower die（1）It is equipped with and the anti-falling piece（12）It is engaged for solving Except the anti-falling piece and anti-delinking part（13）Between cooperation two assembling and dismantling handlers；The lower die（1）It is equipped with workpiece ejection piece （101）With with the matched actuator of workpiece ejection piece（102）, the die holder（7）It is equipped with and is stretched for the workpiece ejection piece The opening gone out.

A kind of 2. plastic injection processing mould according to claim 1, it is characterised in that：The provision for disengagement include one end with The matched lever piece of anti-falling piece（81）And the matched casting die of the lever piece other end（82）, act on the anticreep Reset components on part（83）And with the matched driving part of the casting die, the casting die（82）Outer end portion extend out to it is described under Mould（1）Side wall with the driving part to be engaged.

A kind of 3. plastic injection processing mould according to claim 2, it is characterised in that：The reset components（83）For interval The stainless steel shrapnel that multiple wavy shaped configurations of distribution are set.

A kind of 4. plastic injection processing mould according to claim 2, it is characterised in that：The reset components（83）For interval Multiple compression springs of distribution.

A kind of 5. plastic injection processing mould according to claim 3 or 4, it is characterised in that：The driving part includes setting In the connecting portion of the lower die side wall（84）The spanner on the connecting portion is articulated with middle part（85）；The spanner（85）With pulling End（851）And driven end（852）, this pulls end（851）And driven end（852）It is located at the connecting portion respectively（84）Both sides； The driven end（852）It is equipped with and the casting die（82）The card division that anticreep coordinates（853）.

A kind of 6. plastic injection processing mould according to claim 5, it is characterised in that：Described end is pulled when pulling（851） When, the driven end（852）Drive the casting die（82）To close to injection molding cavity（6）Direction movement, the anti-falling piece（12）With The casting die（82）Counteragent is to release and anti-delinking part（13）Cooperation.

A kind of 7. plastic injection processing mould according to claim 6, it is characterised in that：The lower die（1）It is equipped with and is used for The jacking component of the die holder is jacked up upwards（9）, when the casting die is to close to the injection cavity direction movement, the jacking portion Part（9）Jacking operation can occur under the driving of casting die.

A kind of 8. plastic injection processing mould according to claim 7, it is characterised in that：The jacking component（9）Including setting Jacking part below the injection molding cavity（91）And the matched driving member of jacking part（92）It is and matched with the driving member Impeller（93）；The driving member（92）One end and jacking part（91）It is engaged, the other end and impeller（93）It is engaged；This is pushed away Moving part（93）The driving member can be pushed down under the driving of casting die（92）, driving member（92）Jacking part can be driven（91）On Move and jack up die holder.

A kind of 9. plastic injection processing mould according to claim 8, it is characterised in that：The impeller（93）It is upper that there is arch The portion of rising（931）, the portion that arches upward（931）At least partly it is bent to form by the impeller.

A kind of 10. plastic injection processing mould according to claim 1, it is characterised in that：The workpiece ejection piece（101）Bag Include the body of rod（103）With the arc panel with being connected in body of rod top（104）, sealing ring is arranged with the arc panel（105）.