CN107053610A

CN107053610A - Injection mold

Info

Publication number: CN107053610A
Application number: CN201710153726.2A
Authority: CN
Inventors: 甘培嘉
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-15
Filing date: 2017-03-15
Publication date: 2017-08-18

Abstract

The present invention proposes a kind of injection mold, the injection mold includes solid plate and moving platen, core-pulling mechanism is provided with moving platen, locking member is provided with the outside of solid plate, it is connected on moving platen with core-pulling mechanism provided with locking member fixed seat, one end of locking member is connected with solid plate, its other end is flexibly connected with the formation of locking member fixed seat, and, when injection mold is in matched moulds state, locking member is in connection status with locking member fixed seat, can prevent the core-pulling mechanism in injection moulding process because injection power is excessive and be beaten back.Due to locking member to be located to the outside of solid plate, then the setting of the locking member is not limited by mould inside space, can solve the problem that the problem of retaining mechanism couples difficulty because of the limitation of installation space, simultaneously, moreover it is possible to save the space of mould inside.

Description

Injection mold

Technical field

The present invention relates to a kind of injection mold.

Background technology

In the design process of injection mold, due to there is back-off inside plastic products, product tends not to directly deviate from mould Tool is, it is necessary to using oil cylinder core-pulling mechanism.If product table area is larger to may require that very big injection power, so in injection moulding process Oil cylinder core-pulling mechanism can be beaten back, cause product surface the defects such as overlap, burr occur.For such case, it is necessary to strengthen taking out The locking degree of core mechanism, to resist impact of the injection power to core-pulling mechanism.

At present, the design of general retaining mechanism is in the inside of injection mold, for example, Authorization Notice No. is CN201755898U Patent disclose a kind of automobile lamp mold external core pulling reverse stripping mechanism, including solid plate and moving platen, solid plate connection is fixed It is framed, installed on moving platen and installation dynamic model frame on push rod, support block is connected on support block and top plate, top plate, dynamic model inframe installs dynamic model Insert, constitutes between moving die insert and model frame and is formed with buckle on the automobile lamp lampshade for having shaping in die cavity, die cavity, lampshade, Outer slide is installed on dynamic model frame and closing piece is taken out outside, outer slide is outer sliding by oil cylinder drive, is formed with outer slide on oblique chute, oblique chute Block is taken out outside setting, closing piece is taken out outside and is in contact with taking out block outside, block is taken out outside and is engaged with buckle.Lock module, locked mode are connected under model frame Block is in contact with outer slide.Under matched moulds state, core-pulling mechanism is locked by lock module.In above-mentioned technical proposal In, because lock module is connected under model frame and is arranged on model frame between dynamic model frame, the lock module will take mould inside Space, make the core-pulling mechanism located at mould inside complicated and couple difficult between each part, it is impossible to lock is better achieved Tight purpose.

The content of the invention

In view of this, it is a primary object of the present invention to provide it is a kind of can be better achieved locking purpose injection mould Tool.

In order to achieve the above object, the present invention proposes a kind of injection mold, and the injection mold includes solid plate and dynamic Template, is provided with core-pulling mechanism, it is characterised in that lock is fixed with the outside of the circumferential edge of the solid plate on the moving platen Tight part, is connected provided with locking member fixed seat on the moving platen with the core-pulling mechanism, in the locking member fixed seat Hole is formed with, the locking member is stretched into the hole when the injection mold is in matched moulds state.

Draw from the above mentioned, when the injection mold is in matched moulds state, the locking member is stretched into the hole, then is passed through Locking member fixed seat makes locking member fasten core-pulling mechanism formation, to prevent the core-pulling mechanism in injection moulding process due to note Modeling power is excessive and is beaten back.Due to the locking member to be located to the outside of solid plate, then the setting of the locking member is not by mould The limitation in portion space, compared with retaining mechanism is arranged on into mould inside in the prior art, can solve the problem that retaining mechanism because of setting The limitation in space and the problem of couple difficulty, simultaneously, moreover it is possible to save the space of mould inside.

It is preferred that, the part being connected with the locking member of the locking member fixed seat is located at the circumference of the moving platen On the outside of edge.

Draw from the above mentioned, because the part being connected with the locking member of the locking member fixed seat is located at described move The outside of template, is conducive to making the end of locking member align and with the conjunction of the injection mold with the locking member fixed seat Mould action makes the end of locking member stretch into the hole in the locking member fixed seat, so that locking member and the locking member fixed seat Connection is formed, while the space of mould inside can also be saved.

It is preferred that, the locking member is the check lock lever of rectangular-shape, and the check lock lever for the end stretched into the hole At least one side wall in portion is inclined-plane.

Draw from the above mentioned, because at least one side wall of the end for stretching into the hole of the check lock lever is Inclined-plane, is conducive to making the end of check lock lever to stretch into the hole.

It is preferred that, it is corresponding for the end shape stretched into the hole with the check lock lever, at least the one of the hole During individual side wall is inclined-plane, and the end insertion hole of remote the solid plate side of the check lock lever.

Draw from the above mentioned, when the end of the remote solid plate side of check lock lever is embedded in the hole, be conducive to making Both form and firmly connected.

It is preferred that, the hole is blind hole or through hole.

It is preferred that, the end of the close solid plate side of the locking member is consolidated by the first screw and the solid plate Fixed connection, can make the end of the close solid plate side of the locking member and the cover half plate shape by simple structure Into firmly connecting.

It is preferred that, the core-pulling mechanism is oil cylinder core-pulling mechanism, and the oil cylinder core-pulling mechanism includes oil cylinder, the company set gradually Joint, slider guide, guide, are slidably connected provided with insert with the guide, wherein, the remote oil of the guide The end of cylinder side is connected with the locking member fixed seat.

It is preferred that, the first T-slot is offered in the insert, is engaged with first T-slot, on the guide Offer T-shaped slideway.

Draw, the shape of the first T-slot and T-shaped slideway matches, can be made by both cooperations described from the above mentioned Insert is slided along the T-shaped slideway, can change the direction of motion of the oil cylinder core-pulling mechanism, for internal back-off position with The inconsistent situation in core pulling direction, it can be ensured that smoothly realize core pulling process.

It is preferred that, offer the second T-slot on the end of the remote oil cylinder side of the guide, with this second T-slot is engaged, and T-shaped is formed with the locking member fixed seat raised.

Draw, because the shape of the second T-slot and T-shaped projection matches, can be made by both cooperations from the above mentioned Locking member fixed seat and the guide are connected being upwardly formed perpendicular to matched moulds side, so as to make locking member fixed seat and institute Core-pulling mechanism is stated to be connected.

It is preferred that, the oil cylinder is connected by the second screw with moving platen formation, can be made by simple structure The oil cylinder is firmly connected with moving platen formation.

Brief description of the drawings

Fig. 1 is the decomposing schematic representation of oil cylinder core-pulling mechanism and retaining mechanism；

Fig. 2 is the installation diagram of each part in Fig. 1；

Fig. 3 is the overall schematic that retaining mechanism is set on injection mold.

Embodiment

Injection mold proposed by the present invention is described in detail with reference to Fig. 1-Fig. 3.

Fig. 3 show the overall schematic that retaining mechanism is set on injection mold, as shown in figure 3, injection mold is by upper Top plate 81, solid plate 8, moving platen 9, support plate 91, support block 92 and bottom plate 93 are sequentially provided with, wherein, top plate 81 and cover half Plate 8 is sequentially connected and is fixed on the cover half of injection machine, is typically remained stationary as in injection moulding process；Moving platen 9, support plate 91, Support block 92 and bottom plate 93 are sequentially connected and are arranged on the dynamic model of injection machine, and the part is relative to solid plate 8 in injection moulding process It can be moved along matched moulds direction, in the present embodiment, the matched moulds direction is above-below direction.For the tool of injection mold Body structure and its operating principle, only describe part related to the present invention in the present embodiment, eliminate and present invention connection It is untight part, because the part is prior art, and therefore not to repeat here.

Oil cylinder core-pulling mechanism is provided with moving platen 9, as depicted in figs. 1 and 2, the oil cylinder core-pulling mechanism includes to be set successively Oil cylinder 5, jointing 4, slider guide 3, the guide 2 put.Oil cylinder 5 is connected by the second screw 52 with moving platen 9, in the oil cylinder 5 are provided with sleeve pipe 51, and one end of jointing 4 is connected with the sleeve pipe 51, and its other end is connected with guide 2 so that oil cylinder 5 and Guide 2 links together.It is connected with guide 2 and further respectively has insert 6 and (the composition institute of the present invention of check lock lever fixed seat 1 The locking member fixed seat stated).Wherein, the first T-slot 61 is offered in insert 6, is engaged, is leading with first T-slot 61 T-shaped slideway 21 is offered on to part 2, guide 2 is slided with insert 6 by the cooperation of the first T-slot 61 and T-shaped slideway 21 and connects Connect.When oil cylinder 5 is being moved forward and backward on matched moulds direction, it can be moved forward and backward by jointing 4 with lower moving guide 2, So that insert 6 oliquely downward moves to deviate from product back-off along slideway direction.In the side of remote oil cylinder 5 of guide 2 The second T-slot 22 is offered on end, is engaged with second T-slot 22, T-shaped is formed with check lock lever fixed seat 1 raised 12, make check lock lever fixed seat 1 with guide 2 on matched moulds direction by the matching of the second T-slot 22 and T-shaped projection 12 Form connection.As shown in figure 3, because oil cylinder core-pulling mechanism is arranged on the bottom of moving platen 9, and positioned at moving platen 9 and support plate Between 91, then by support plate 91 from bottom support guide part 2 and check lock lever fixed seat 1, so that it is solid to limit guide 2 and check lock lever Reservation 1 can only be moved on matched moulds direction.

The check lock lever 7 (constituting locking member of the present invention) of rectangular-shape, and the locking are provided with the outside of solid plate 8 One side wall of bar 7 is inclined-plane.The end of the side of close solid plate 8 of check lock lever 7 is connected to cover half by the first screw 71 The outside of plate 8, its end away from the side of solid plate 8 is flexibly connected with check lock lever fixed seat 1.As shown in figure 1, solid in check lock lever Through hole 11 is offered in reservation 1, and the through hole 11 is square opening and one side wall is inclined-plane, the remote cover half of check lock lever 7 The end of the side of plate 8 can be embedded in by mould assembling action in the through hole 11.When injection mold is in matched moulds state, check lock lever 7 In embedded through hole 11, then check lock lever 7 is in locking state with check lock lever fixed seat 1.Due to check lock lever fixed seat 1 and loose core of oil cylinder Mechanism is connected so that check lock lever 7 forms fixation to oil cylinder core-pulling mechanism, and the oil cylinder core-pulling mechanism can be prevented in injection moulding process In due to injection power it is excessive and beaten back.Simultaneously as check lock lever 7 to be located to the outside of solid plate 8, then the check lock lever 7 is set Put and do not limited by injection mold inner space, can solve the problem that retaining mechanism couples asking for difficulty because of the limitation of installation space Topic, moreover it is possible to the space saved inside injection mold.Further, since a side wall of through hole 11 is inclined-plane, be conducive to making locking The end of bar 7 is stretched into the through hole 11, is firmly connected while can also be formed both.

With reference to the structure shown in Fig. 1-Fig. 3, the action process of injection mold is described.

During injection mould closing, moving platen 9 is moved upwards with respect to solid plate 8 first, when moving platen 9 moves to certain distance When, the end of the side of remote solid plate 8 of check lock lever 7 is embedded in the through hole 11 in check lock lever fixed seat 1 by mould assembling action, then The check lock lever 7 makes oil cylinder core-pulling mechanism be in locking state by check lock lever fixed seat 1 so that oil cylinder core-pulling mechanism had been molded It will not be beaten back in journey because injection power is excessive.

When injection mold is molded, moving platen 9 is moved downward with respect to solid plate 8 first, when moving platen 9 is moved downward, energy Enough check lock lever fixed seat 1 is driven to move downward so as to deviate from from through hole 11 end of the side of remote solid plate 8 of check lock lever 7； Then, oil cylinder 5 proceeds by core pulling campaign, is moved by jointing 4 with lower moving guide 2 along core pulling direction, then guide 2 Insert 2 is driven to be moved obliquely along slideway direction during motion, then the abjection of insert 2 product back-off.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

For example, in the above-described embodiments, the hole is through hole 11, and through hole 11 is square opening and one side wall is oblique Face, but this is not limited to, the hole can also be blind hole.Through hole 11 or the pyramid corresponding with check lock lever end shape Shape hole etc..

In another example, in the above-described embodiments, each part of the oil cylinder core-pulling mechanism is not limited to above-mentioned listed The each several part of act, for example, some oil cylinders also include travel control switch or are sensing oil cylinder.Due to the oil cylinder core-pulling mechanism For prior art, it can also use other schemes of the prior art, and therefore not to repeat here.

In another example, in above-described embodiment, the concrete shape of insert 6 is not limited to the shape shown in Fig. 1 and Fig. 2, the edge Block 6 can also use other shapes, specifically depending on concrete structure of the shape of the insert according to product.

In another example, in the above-described embodiments, locking member is realized using the check lock lever of rectangular-shape, but is not limited to This, the locking member can also be realized using circular check lock lever or latch segment.The present invention's focuses on setting for the protection locking member Seated position and its connection with locking member fixed seat, are not limited then as its concrete structure, it is preferred to use check lock lever comes real It is existing.

In another example, in the above-described embodiments, the insert 6 passes through the first T-slot 61 and T-shaped slideway with the guide 2 21 formation are slidably connected, but are not limited to this, both be slidably connected can be also realized using other structures, for example, can Circular protrusions are formed in insert 6, the groove being engaged with the circular protrusions is opened up on guide 2.

In another example, in the above-described embodiments, the guide 2 and the locking member fixed seat 1 by the second T-slot 22 and T-shaped projection 12 links into an integrated entity, but is not limited to this, and both can also form connection by other structures, for example, can lead to Cross screw and realize connection.

Claims

1. a kind of injection mold, the injection mold includes solid plate (8) and moving platen (9), it is provided with the moving platen (9) Core-pulling mechanism, it is characterised in that locking member (7) is fixed with the outside of the circumferential edge of the solid plate (8), in the moving platen (9) it is connected on the core-pulling mechanism provided with locking member fixed seat (1), hole is formed with the locking member fixed seat (1) (11), when the injection mold is in matched moulds state, the locking member (7) is stretched into the hole (11).

2. injection mold according to claim 1, it is characterised in that the locking member fixed seat (1) with the locking The part that part (7) is connected is located on the outside of the circumferential edge of the moving platen (9).

3. injection mold according to claim 1 or 2, it is characterised in that the locking member (7) is the locking of rectangular-shape Bar, and at least one side wall of the end for stretching into the hole (11) of the check lock lever is inclined-plane.

4. injection mold according to claim 3, it is characterised in that with the check lock lever for stretching into the hole (11) In end shape it is corresponding, at least one side wall of the hole (11) is inclined-plane, and the check lock lever is remote described fixed The end of template (8) side is embedded in the hole (11).

5. injection mold according to claim 1 or 2, it is characterised in that the hole (11) is blind hole or through hole.

6. injection mold according to claim 1 or 2, it is characterised in that the close solid plate of the locking member (7) (8) end of side is fixedly connected by the first screw (71) with the solid plate (8).

7. injection mold according to claim 1 or 2, it is characterised in that the core-pulling mechanism is oil cylinder core-pulling mechanism, should Oil cylinder core-pulling mechanism includes oil cylinder (5), jointing (4), slider guide (3), the guide (2) set gradually, is oriented to described Part (2) is slidably connected provided with insert (6), wherein, the end of remote oil cylinder (5) side of the guide (2) with it is described Locking member fixed seat (1) is connected.

8. injection mold according to claim 7, it is characterised in that offer the first T-slot in the insert (6) (61), it is engaged with first T-slot (61), T-shaped slideway (21) is offered on the guide (2).

9. injection mold according to claim 7, it is characterised in that in the remote oil cylinder (5) of the guide (2) The second T-slot (22) is offered on the end of side, (22 are engaged, in the locking member fixed seat (1) with second T-slot On to be formed with T-shaped raised (12).

10. injection mold according to claim 7, it is characterised in that the oil cylinder (5) passes through the second screw (52) and institute State moving platen (9) formation connection.