CN205889798U - High injection molding machine clamping mechanism of security - Google Patents

Abstract

The utility model provides a high injection molding machine clamping mechanism of security, includes frame, fixed die plate, movable mould board, back template, guide pillar and articulated mounting, the outside of movable mould board and back template is covered with the outer box of mode locking, and the door -hinge top of the outer box of mode locking is provided with the commentaries on classics board, the mode locking oil cylinder shaft of back template passes the back template and connects in the centre bore of cross head to the center of passing the back template, mold locking piston rod, and the gag lever post axial of back template is passed the back template and is connected in the cross head to be provided with rotatable cardboard in its top of wearing out back template rear end face, the one end of cable wire is connected to the rotation end of cardboard, and the other end of cable wire is connected in changeing the board, the utility model discloses set up the gag lever post in the inside of back template, spacing dynamics through the direct switching direct control of the outer box of mode locking is bigger, the effect is more swift, and is more excellent to the location effect on the movable mould board hiddenly, and the kayser dynamics is firm more reliable, fixes a position more stably, is convenient for promptly and accurately control, has increased security and stability.

Description

A kind of safe injection molding machine mold clamping mechanism

Technical field

This utility model is related to plastic injection molding machine technical field, more particularly, to a kind of safe injection moulding machine mode-locking Mechanism.

Background technology

Clamping mechanism in existing general-purpose injection machine, it usually needs certain clamp force and the fortune controlling lock, die sinking Dynamic stroke is realizing efficiently accurately injection molding operation.Clamping mechanism mainly by solid plate, moving platen and rear pattern plate with lead to form, During running in clamping mechanism, when Chang Yinwei makees or need to manually take out converted productss by mistake, operator need to open The door of locked mode outer box, and in order to protect personal safety it will usually stop using the interruption that stopping means to control moving platen motion, But existing stopping means are generally located on moving platen, and realize the positioning to moving platen by clamping rear pattern plate, often Remain its kayser dynamics not, moving platen is unable to reach because of effect of inertia and timely and accurately stops, and in operation Personnel often encounter the stopping means exposing it is difficult to ensure safety when opening locked mode outer box, and the structure of its stopping means is multiple Miscellaneous, be not easy to operational control, the steadiness of kayser is poor, Chang Yinwei locating effect is not enough and there is potential safety hazard, security performance is relatively Low.

Utility model content

The purpose of this utility model is to propose a kind of positioning stablity and efficiently safe injection molding machine mold clamping mechanism.

For reaching this purpose, this utility model employs the following technical solutions:

A kind of safe injection molding machine mold clamping mechanism, including frame, the solid plate being arranged in frame, moving platen, after Template, guide pillar and articulated mounting；The perforation that described guide pillar sequentially passes through the corner of described solid plate, moving platen and rear pattern plate is realized Being oppositely arranged in front and back successively between described solid plate, moving platen and rear pattern plate, and described moving platen passes through described hinged dress Put and be connected with described rear pattern plate, the outside of described moving platen and described rear pattern plate is covered with locked mode outer box, the door of described locked mode outer box Axle top is provided with the flap that can rotate with door-hinge；

Described rear pattern plate is provided with Mode-locking oil cylinder, crosshead, gear drive and gag lever post；Described Mode-locking oil cylinder is axially Through the center of described rear pattern plate, and the locking piston bar of described Mode-locking oil cylinder passes through described rear pattern plate and its end is connected to institute State the centre bore of crosshead；Described crosshead is connected to described articulated mounting；Described gear drive is arranged at described rear mold The rear end face of plate；Described gag lever post is connected to described crosshead axially across described rear pattern plate, and passes described rear pattern plate in it The top of rear end face is provided with rotatable clamp, and the turning end of described clamp connects one end of cable wire, described cable wire another End is connected to described flap；

Described moving platen is provided with ejection cylinder, eject pin and slide plate；Described ejection cylinder is axially set in described dynamic model The center of plate, and the ejection piston rod of described ejection cylinder is connected with described eject pin；Described eject pin is with described ejection The front end face of the extended described moving platen of promotion of piston rod；Described slide plate is arranged at the bottom of described moving platen, described dynamic model Plate is by the setting of described slide plate and the promotion of described Mode-locking oil cylinder slidably in frame.

Further illustrate, described articulated mounting includes little hinge part, band andgudgeon part and hook hinge part, described moving platen leads to respectively successively Cross described band andgudgeon part and described hook hinge part is articulated with described rear pattern plate, one end of described little hinge part is connected to described hook hinge part, separately One end is connected to described crosshead.

Further illustrate, between described moving platen and described rear pattern plate, be connected with two articulated mountings, described articulated mounting It is respectively arranged at the both sides between described moving platen and described rear pattern plate, and all described cross is connected to by described little hinge part The upper/lower terminal of head.

Further illustrate, the corner of described solid plate is provided with limited block and block, and described limited block is sheathed on institute respectively On the guide pillar of the corner stating the front end face of solid plate, and fixed by described block spiral.

Further illustrate, described gear drive includes gear wheel, transmission motor and four guide pillar gears, described canine tooth Wheel is arranged at the rear end face of described rear pattern plate centered on described Mode-locking oil cylinder, and described transmission motor connects described gear wheel and can Drive described bull gear drive, described four guide pillar gears are respectively arranged at described rear pattern plate corner and are sheathed on described guide pillar, Each described guide pillar gear is engaged each other with described gear wheel respectively.

Further illustrate, described rear pattern plate is additionally provided with enhancing guide rod, described enhancing guide rod is horizontally through described rear pattern plate It is connected to described crosshead.

Further illustrate, described rear pattern plate is provided with two enhancing guide rods, described enhancing guide rod is in described Mode-locking oil cylinder Both sides be horizontally through the left and right two ends that described rear pattern plate is connected to described crosshead.

Further illustrate, the side setting of described clamp is fluted, and the latter half of of described gag lever post is provided with some and institute State the projection of groove fit, described groove is by spacing to described gag lever post with described raised kayser realization.

The beneficial effects of the utility model: by concealed for described gag lever post the inside being arranged at described rear pattern plate, kayser In described crosshead, and can, effect bigger by the locked mode outer box spacing dynamics that directly opening and closing directly controls more quick, pacify Full property and stability are higher, and therefore gag lever post is more excellent to the locating effect on moving platen, and the kayser dynamics of clamp more firmly may be used Lean on, positioning is more stable, it also avoid operator and encounter gag lever post generation potential safety hazard, structure letter when opening locked mode outer box Single, it is easy to promptly and accurately manipulate it is ensured that personal safety, increase safety and stability.

Brief description

Fig. 1 is the structural representation of the injection molding machine mold clamping mechanism of one embodiment of this utility model；

Fig. 2 is the profile of the injection molding machine mold clamping mechanism of one embodiment of this utility model；

Fig. 3 is the profile of the injection molding machine mold clamping mechanism of one embodiment of this utility model；

Fig. 4 is the profile of the injection molding machine mold clamping mechanism of one embodiment of this utility model；

Fig. 5 is the injection molding machine mold clamping mechanism side view of one embodiment of this utility model；

Fig. 6 is the structural representation of the clamp of one embodiment of this utility model；

Fig. 7 is the top view with cable connection for the flap of one embodiment of this utility model；

Wherein: solid plate 1, limited block 11, block 12, moving platen 2, ejection cylinder 21, eject piston rod 210, eject pin 22, slide plate 23, rear pattern plate 3, Mode-locking oil cylinder 31, locking piston bar 310, crosshead 32, gear wheel 330, it is driven motor 331, lead Stud wheel 332, enhancing guide rod 35, gag lever post 36, raised 361, clamp 37, turning end 371, groove 372, cable wire 38, guide pillar 4, Little hinge part 51, band andgudgeon part 52, hook cuts with scissors part 53, screw hole 6, locked mode outer box 7, flap 71.

Specific embodiment

Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.

As shown in figure 1, a kind of safe injection molding machine mold clamping mechanism, including frame, the solid plate being arranged in frame 1st, moving platen 2, rear pattern plate 3, guide pillar 4 and articulated mounting；Described guide pillar 4 sequentially passes through described solid plate 1, moving platen 2 and rear mold Being oppositely arranged in front and back successively between described solid plate 1, moving platen 2 and rear pattern plate 3 is realized in the perforation of the corner of plate 3, and institute State moving platen 2 to be connected with described rear pattern plate 3 by described articulated mounting, the outside of described moving platen 2 and described rear pattern plate 3 is covered with Locked mode outer box 7, the door-hinge top of described locked mode outer box 7 is provided with the flap 71 that can rotate with door-hinge；

As shown in Fig. 2 described rear pattern plate 3 is provided with Mode-locking oil cylinder 31, crosshead 32, gear drive and gag lever post 36；Described Mode-locking oil cylinder 31 is axially across the center of described rear pattern plate 3, and the locking piston bar 310 of described Mode-locking oil cylinder 31 is worn Cross described rear pattern plate 2 and its end is connected to the centre bore of described crosshead 32；Described crosshead 32 is connected to described hinged dress Put；Described gear drive is arranged at the rear end face of described rear pattern plate 3；Described gag lever post 36 is axially across described rear pattern plate 3 It is connected to described crosshead 32, and passes the top of described rear pattern plate 3 rear end face in it and be provided with rotatable clamp 37, described The turning end 371 of clamp 37 connects one end of cable wire 38, and the other end of described cable wire 38 is connected to described flap 71, such as Fig. 5 and Shown in Fig. 7；

Described moving platen 2 is provided with ejection cylinder 21, eject pin 22 and slide plate 23；Described ejection cylinder 21 is axially set in The center of described moving platen 2, and the ejection piston rod 210 of described ejection cylinder 21 is connected with described eject pin 22；Described The front end face of the extended described moving platen 2 of promotion with described ejection piston rod 210 for the eject pin 22；Described slide plate 23 is arranged at The bottom of described moving platen 2, described moving platen 2 is by the promotion of the setting of described slide plate 23 and described Mode-locking oil cylinder 31 slidably In frame.

The operation principle of clamping mechanism described in injection machine: the locked mode of the described Mode-locking oil cylinder 31 in described rear pattern plate 3 is lived Stopper rod 310 moves reciprocatingly down, thus promoting described crosshead to move forward and backward, and the articulated mounting being connected by described crosshead Under pulling, described moving platen 2 can move reciprocatingly along described guide pillar 4；The ejection piston rod 210 of described ejection cylinder 21 does back and forth Motion, thus drive the front end face that described eject pin 22 stretches out described moving platen 2 to move reciprocatingly；First in injection, described Moving platen 2 is travelled forward by described Mode-locking oil cylinder 31, realizes the locked mode to mould with described solid plate 1, and by injection mechanism Carry out injecting glue, cooling and preformed in mould；After the completion of preformed, described moving platen 2 rearward movement resets, simultaneously by described top Go out oil cylinder 21 to eject described eject pin 22, will take out plastic, be recycled into the action of next working cycle.

The injection molding machine mold clamping mechanism of the new proposition of this experiment, arranges gag lever post 36 by template 3 in the rear, and by described Flap 71 on the door-hinge of locked mode outer box 7 connects described cable wire 38 to control the rotation of described clamp 37, when described locked mode outer box 7 Door close when, then cable wire 38 described in described flap 71 circumgyration stretch, thus lift and secure the above the turning end of clamp 37 371, described gag lever post 36 can do front-rear reciprocation movement with the motion of described crosshead；And the door working as described locked mode outer box 7 is beaten When opening, then described flap 71 resets thus the described cable wire 38 that relaxes, and states cable wire 38 and extends, makes the turning end 371 of described clamp 37 Fall on described gag lever post 36, limit described gag lever post 36 and move, thus limit described crosshead 32 moving, i.e. described dynamic model Plate 2 also stop motion；Therefore effective control when operator open locked mode outer box 371 and take out product, described moving platen 2 can and When stop motion exactly.Because described rear pattern plate is to realize lever principle by described articulated mounting to put the power of moving platen Greatly, realize the reciprocating motion of moving platen, therefore compare existing gag lever post and be arranged on moving platen, kayser on rear pattern plate, this knot , by concealed for described gag lever post 36 the inside being arranged at described rear pattern plate, kayser is in described crosshead, and can pass through locked mode for structure The outer box spacing dynamics that directly opening and closing directly controls is bigger, effect is more quick, and safety and stability is higher, therefore limits Position bar is more excellent to the locating effect on moving platen, and the kayser dynamics of clamp 37 is more solid and reliable, and positioning is more stable, also avoids Operator encounter gag lever post and produce potential safety hazard when opening locked mode outer box, and structure is simple, is easy to promptly and accurately manipulate, and protect Demonstrate,prove personal safety, increase safety and stability.

Further illustrate, as shown in figure 4, described articulated mounting includes little hinge part 51, band andgudgeon part 52 and hook hinge part 53, described Moving platen 2 passes sequentially through described band andgudgeon part 52 respectively and described hook hinge part 53 is articulated with described rear pattern plate 2, described little hinge part 51 One end is connected to described hook hinge part 53, and the other end is connected to described crosshead 32.

By being provided with articulated mounting, realize more stable efficiently promoting described moving platen 2 to transport in the way of hinged pulling Dynamic, complete locked mode and die sinking work, that is, described crosshead 32 moves reciprocatingly under the promotion of described locking piston bar 310, then Described crosshead 32 drives described little hinge part 51 to do radial circumference motion, thus pulling described hook hinge part and band andgudgeon part to do flexible fortune The dynamic stability thus promoting described moving platen to move reciprocatingly in frame, effectively increase lock, molding is it is easy to control motion Stroke.

Further illustrate, between described moving platen 2 and described rear pattern plate 3, be connected with two articulated mountings, described hinged dress Put the both sides being respectively arranged between described moving platen 2 and described rear pattern plate 3, and all institute is connected to by described little hinge part 51 State the upper/lower terminal of crosshead 32.Described moving platen 2 is made effectively back and forth to transport in described articulated mounting by Mode-locking oil cylinder 31 Dynamic, in order to ensure stress balance in motor process for the described moving platen 2, it is to avoid disengage frame during motion and produce jump The phenomenon of jump, the therefore top and bottom between described moving platen 2 and described rear pattern plate 3 are provided with articulated mounting, increase The stability of motion and the precision of stroke, realize effective locked mode and die sinking.

Further illustrate, the corner of described solid plate 1 is provided with limited block 11 and block 12, and described limited block 11 covers respectively On the guide pillar 4 of the corner of the front end face of described solid plate 1, and fixed by described block 12 spiral.In described solid plate The corner of front end face arranges described limited block 11 and block 12, not only can improve the fastness that cover half pulls 1, and avoid guide pillar 4 Produce relative motion when described moving platen 2 moves forward and backward and affect locked mode, improve solid plate 1 and described moving platen 2 locked mode Precision, also can be adjusted to guide pillar according to different moulds by described limited block 11 spacing simultaneously, and be entered by described block Row is fixed.

Further illustrate, described gear drive includes gear wheel 330, transmission motor 331 and four guide pillar gears 332, described gear wheel 330 is arranged at the rear end face of described rear pattern plate 3, described transmission motor centered on described Mode-locking oil cylinder 31 331 connect described gear wheels 330 and described gear wheel 330 can be driven to rotate, and described four guide pillar gears 332 are respectively arranged at institute State rear pattern plate corner and be sheathed on described guide pillar 4, each described guide pillar gear 332 is engaged each other with described gear wheel 330 respectively.Institute Stating gear drive drives described gear wheel 330 to rotate, thus driving guide pillar gear to be passed by described transmission motor 331 Dynamic, realize described rear pattern plate 3 and moved forward and backward along described guide pillar 4, because rear pattern plate is by the adjustment of micro travel, therefore logical Cross gear drive control convenient accurately.

Further illustrate, as shown in figure 3, described rear pattern plate 3 is additionally provided with enhancing guide rod 35, described enhancing guide rod 35 is horizontal It is connected to described crosshead 32 through described rear pattern plate 3.Described enhancing guide rod 35 is synchronized with described locking piston bar 310 to be done back and forth Motion, not only strengthens the stability of rear pattern plate 3, and locking piston bar 310 reciprocating stroke is realized with spacing and guiding Effect, increases the stability of its motion, thus improving the accuracy of the movement travel of described moving platen 2, locked mode is more firmly, again The precision of operation quick and precisely, is improved in position.

Further illustrate, described rear pattern plate 3 is provided with two enhancing guide rods 35, described enhancing guide rod 35 is in described locked mode The both sides of oil cylinder 31 are horizontally through the left and right two ends that described rear pattern plate 3 is connected to described crosshead 32.Two described enhancings of setting Bar 35, makes the locking piston bar 310 of described Mode-locking oil cylinder 31 stress on motor process middle left and right both sides more equalize, it is to avoid The displacement making described moving platen 2 left and right sides because both sides stress is of different sizes produces error, and impact effectively carries out locked mode and answers The problem of position, thus realize efficient, accurate, stable reciprocating motion.

Further illustrate, as shown in fig. 6, described clamp 37 side setting fluted 372, described gag lever post 36 later half Portion is provided with the projection 361 of some and described groove 372 cooperation, and described groove 372 is by realizing with described raised 361 kayser Spacing to described gag lever post 36.Groove is set in the side of described clamp, cooperates with described raised 361, formed axially Interact with longitudinal direction, it is to avoid friction between the two, increase clamp 37 simultaneously and the kayser of gag lever post 36 is acted on, structure Simple and steadiness is high.

Describe know-why of the present utility model above in association with specific embodiment.These descriptions are intended merely to explain this reality With new principle, and the restriction to this utility model protection domain can not be construed to by any way.Based on explanation herein, Those skilled in the art does not need to pay performing creative labour and can associate other specific embodiment of the present utility model, These modes fall within protection domain of the present utility model.

Claims (8)

1. a kind of safe injection molding machine mold clamping mechanism it is characterised in that: include frame, the solid plate being arranged in frame, Moving platen, rear pattern plate, guide pillar and articulated mounting；Described guide pillar sequentially passes through the corner of described solid plate, moving platen and rear pattern plate Perforation realize between described solid plate, moving platen and rear pattern plate successively before and after being oppositely arranged, and described moving platen passes through Described articulated mounting is connected with described rear pattern plate, and the outside of described moving platen and described rear pattern plate is covered with locked mode outer box, described lock The door-hinge top of mould outer box is provided with the flap that can rotate with door-hinge；

Described rear pattern plate is provided with Mode-locking oil cylinder, crosshead, gear drive and gag lever post；Described Mode-locking oil cylinder axially across The center of described rear pattern plate, and the locking piston bar of described Mode-locking oil cylinder passes through described rear pattern plate and its end is connected to described ten The centre bore of prefix；Described crosshead is connected to described articulated mounting；Described gear drive is arranged at described rear pattern plate Rear end face；Described gag lever post is connected to described crosshead axially across described rear pattern plate, and passes described rear pattern plate rear end in it The top in face is provided with rotatable clamp, and the turning end of described clamp connects one end of cable wire, and the other end of described cable wire is even It is connected to described flap；

Described moving platen is provided with ejection cylinder, eject pin and slide plate；Described ejection cylinder is axially set in described moving platen Center, and the ejection piston rod of described ejection cylinder is connected with described eject pin；Described eject pin is with described ejection piston The front end face of the extended described moving platen of promotion of bar；Described slide plate is arranged at the bottom of described moving platen, and described moving platen leads to Cross the setting of described slide plate and the promotion of described Mode-locking oil cylinder slidably in frame.

2. a kind of safe injection molding machine mold clamping mechanism according to claim 1 it is characterised in that: described articulated mounting Including little hinge part, band andgudgeon part and hook hinge part, described moving platen passes sequentially through described band andgudgeon part respectively and described hook hinge part is articulated with Described rear pattern plate, one end of described little hinge part is connected to described hook hinge part, and the other end is connected to described crosshead.

3. a kind of safe injection molding machine mold clamping mechanism according to claim 2 it is characterised in that: described moving platen and It is connected with two articulated mountings, described articulated mounting is respectively arranged at described moving platen and described rear mold between described rear pattern plate Both sides between plate, and all it is connected to the upper/lower terminal of described crosshead by described little hinge part.

4. a kind of safe injection molding machine mold clamping mechanism according to claim 1 it is characterised in that: described solid plate Corner is provided with limited block and block, and described limited block is sheathed on the guide pillar of the corner of the front end face of described solid plate respectively, And fixed by described block spiral.

5. a kind of safe injection molding machine mold clamping mechanism according to claim 1 it is characterised in that: described gear drive Device includes gear wheel, transmission motor and four guide pillar gears, and described gear wheel is arranged at institute centered on described Mode-locking oil cylinder State the rear end face of rear pattern plate, described transmission motor connects described gear wheel and can drive described bull gear drive, leads for described four Stud wheel is respectively arranged at described rear pattern plate corner and is sheathed on described guide pillar, each described guide pillar gear respectively with described gear wheel Engage each other.

6. a kind of safe injection molding machine mold clamping mechanism according to claim 1 it is characterised in that: described rear pattern plate is also It is provided with enhancing guide rod, described enhancing guide rod is horizontally through described rear pattern plate and is connected to described crosshead.

7. a kind of safe injection molding machine mold clamping mechanism according to claim 1 it is characterised in that: on described rear pattern plate It is provided with two enhancing guide rods, described enhancing guide rod is horizontally through described rear pattern plate in the both sides of described Mode-locking oil cylinder and is connected to institute State the left and right two ends of crosshead.

8. a kind of safe injection molding machine mold clamping mechanism according to claim 1 it is characterised in that: the one of described clamp Side setting is fluted, described gag lever post latter half of be provided with some with described groove fit projection, described groove by with Described raised kayser is realized spacing to described gag lever post.