CN207630425U - A kind of high-accuracy integrated injection mold - Google Patents

Abstract

The utility model discloses a kind of high-accuracy integrated injection molds,Including cope plate and lower template,The front of the cope plate is installed with casting device,The lower end of the cope plate is mounted by means of screws with solid plate,The lower end of the solid plate is connected by push rod with ejector pin retaining plate,The ejector pin retaining plate is fixedly mounted on the upper surface of push plate,The lower surface of the push plate is fixedly connected by support nail with lower template,It is also extended through on the inner wall of the push plate and is connected with push plate guide post,The top of the push plate guide post is connected with liftout plate,The liftout plate is arranged in the lower surface of solid plate,The front of the push plate is additionally provided with sprue puller,The top of the sprue puller is connected with casting device,The right end of the solid plate is also installed with spacer pad,Whole device mechanism is simple and reliable in action,Ejecting mechanism reliable operation,Flexibly,It is easily manufactured,With enough intensity,Rigidity and hardness,To bear the influence of the various resistances of push Cao.

Description

A kind of high-accuracy integrated injection mold

Technical field

The utility model is related to injection mold field, specially a kind of high-accuracy integrated injection mold.

Background technology

Plastics are one of basic material of development of modern society economy, application range as widely used synthetic material Widely, in the industries such as automobile, electronics, household electrical appliances, electric appliance, instrument, the parts of 70%-90% need by mold at Type, now, mold production technology level, it has also become the one of the important signs that of a national manufacturing industry level is weighed, but at present Injection mold there is also certain defects：

For example, application No. is 201510874503.6, patent name is a kind of patent of invention of rotary injection mold：

Its rely primarily on rotating mould rotation enlarged intracavitary molten mass material mobility and dispersibility, improve casting at The qualification rate of product.

But existing high-accuracy integrated injection mold has the following defects：

(1) there is also certain problems in ejecting mechanism design for existing injection mold, for example pushing piece is to product meeting The problems such as leaving dent so that the aesthetics of product is affected；

(2) existing injection mold integrated level is relatively low, complicated for operation；

(3) existing injection mold does not make good control for plastic molten melt fluid, cooling body so that plastics group The pressure that part is subject in forming process is unbalanced.

Invention content

In order to overcome the shortcomings of that prior art, the utility model provide a kind of high-accuracy integrated injection mold, can have Effect solves the problems, such as that background technology proposes.

Technical solution adopted by the utility model to solve its technical problems is：

A kind of high-accuracy integrated injection mold, including cope plate and lower template, the front of the cope plate are installed with Casting device, the lower end of the cope plate are mounted by means of screws with solid plate, the lower end of the solid plate by push rod with Ejector pin retaining plate is connected, and the ejector pin retaining plate is fixedly mounted on the upper surface of push plate, and the lower surface of the push plate passes through branch Nail is fixedly connected with lower template, is also extended through on the inner wall of the push plate and is connected with push plate guide post, the top of the push plate guide post It is connected with liftout plate, the liftout plate is arranged in the lower surface of solid plate, and the front of the push plate is additionally provided with sprue puller, institute The top for stating sprue puller is connected with casting device, and the right end of the solid plate is also installed with spacer pad.

Further, the lower end of the spacer pad is connected with the front of liftout plate.

Further, the casting device includes plastic cavity and cast gate, lower end and the firmware core of the plastic cavity Plate connects, and the lower end of the firmware core plate is provided with cast gate, and the right end of the cast gate is provided with runner, the runner Left end be connected with sprue puller.

Further, the lower end of the runner is connected with solid plate perforation.

Further, the outer surface of the cast gate and runner is both provided with rubber sleeve.

Further, the upper end of the push plate is connected by release link with solid plate.

Compared with prior art, the utility model has the beneficial effects that：

(1) former pushing mechanism of the utility model ensure that product do not deform because of ejection damage and influence appearance, adopt The covert of product or inner surface are realized with push piece and release operation, improves the efficiency for pushing away mould, while not influencing U.S. of product It sees.

(2) the whole device mechanism of the utility model is simple and reliable in action, ejecting mechanism reliable operation, flexibly, manufacture It is convenient, there is enough intensity, rigidity and hardness, to bear the influence of the various resistances of push Cao.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the casting device structural schematic diagram of the utility model.

Figure label：

1- cope plates；2- lower templates；3- solid plates；4- casting devices；5- sprue pullers；6- push rods；7- liftout plates；8- push rods Fixed plate；9- push plates；10- push plate guide posts；11- spacer pads；12- release links；13- plastic cavities；14- firmware core plates；15- Cast gate；16- runners；17- rubber sleeves；18- support nails.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

As depicted in figs. 1 and 2, the utility model provides a kind of high-accuracy integrated injection mold, including cope plate 1 is under The front of template 2, the cope plate 1 is installed with casting device 4, and the lower end of the cope plate 1 is fixedly mounted by screw There are solid plate 3, the lower end of the solid plate 3 to be connected with ejector pin retaining plate 8 by push rod 6, the push rod 6 selects the bullet of 65Mn Spring Steel material, the push rod 6 is arranged at the position for having larger local crowning in plastic, in order to reduce plastic unit area stress, Using the push rod of big sectional area；The quantity of push rod uses less push rod, institute as possible under the premise of ensureing that plastic is reliably released The upper surface that ejector pin retaining plate 8 is fixedly mounted on push plate 9 is stated, the connection type between the push rod 6 and ejector pin retaining plate 8 uses The shaft shoulder connects, in order to enable push rod axis do subtle movement to realize the concentricity of matching hole, generally by push rod when mounted Larger gap is designed between ejector pin retaining plate 8, the gap designed here is 0.5~1mm, improves push rod axial-movement Accuracy so that do not influenced by thrust in mold push, the lower surface of the push plate 9 passes through support nail 18 and lower die Plate 2 is fixedly connected, and is also extended through on the inner wall of the push plate 9 and is connected with push plate guide post 10, the top and top of the push plate guide post 10 Ejecting plate 7 is connected, and the liftout plate 7 is arranged in the lower surface of solid plate 3, and the front of the push plate 9 is additionally provided with sprue puller 5, The upper end of the push plate 9 is connected by release link 12 with solid plate 3, and the top of the sprue puller 5 is connected with casting device 4 It connects, the right end of the solid plate 3 is also installed with spacer pad 11, and the lower end of the spacer pad 11 and liftout plate 7 are just Face is connected, and the spacer pad 11 is identical as 3 thickness of solid plate, and spacer pad 11 be placed in ejector pin retaining plate 8 and push plate 6 it Between, reduce task of pit is processed on ejector pin retaining plate in this way, whole device mechanism is simple and reliable in action, ejecting mechanism Reliable operation, flexibly, it is easily manufactured, have enough intensity, rigidity and hardness, to bear the shadow of the various resistances of push Cao It rings.

It further illustrates, casting device 4 is plastic melt from the nozzle of injection molding machine to the stream of cavity entry position Dynamic channel.

It further illustrates, the casting device 4 includes plastic cavity 13 and cast gate 15, under the plastic cavity 13 End connects with firmware core plate 14, and the lower end of the firmware core plate 14 is provided with cast gate 15, and the right end of the cast gate 15 is set Be equipped with runner 16, the runner 16 refers to the channel asked around mouth and sprue, effect be make to dissolve plastics excessively or It turns to, the left end of the runner 16 is connected with sprue puller 5, and lower end and the perforation of solid plate 3 of the runner 16 connect, institute The outer surface for stating cast gate 15 and runner 16 is both provided with rubber sleeve 17, and the main function of the cast gate 15 has：When cavity is full of Afterwards, melt condenses first at cast gate 15, it is therefore prevented that the refluence of molten plastic；To control the position that multiple-cavity mold welds seam It sets；It is easy to cut off 15 tailing of cast gate.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

Claims (6)

1. a kind of high-accuracy integrated injection mold, including cope plate (1) and lower template (2), it is characterised in that：The cope plate (1) front is installed with casting device (4), and the lower end of the cope plate (1) is mounted by means of screws with solid plate (3), the lower end of the solid plate (3) is connected by push rod (6) with ejector pin retaining plate (8), and the ejector pin retaining plate (8) is fixed The lower surface of upper surface mounted on push plate (9), the push plate (9) is fixedly connected by support nail (18) with lower template (2), institute It states to also extend through on the inner wall of push plate (9) and is connected with push plate guide post (10), top and liftout plate (7) phase of the push plate guide post (10) Connection, the liftout plate (7) are arranged in the lower surface of solid plate (3), and the front of the push plate (9) is additionally provided with sprue puller (5), The top of the sprue puller (5) is connected with casting device (4), and the right end of the solid plate (3) is also installed with locating pad Block (11).

2. the high-accuracy integrated injection mold of one kind according to claim 1, it is characterised in that：The spacer pad (11) Lower end is connected with the front of liftout plate (7).

3. the high-accuracy integrated injection mold of one kind according to claim 1, it is characterised in that：Casting device (4) packet Plastic cavity (13) and cast gate (15) are included, lower end and the firmware core plate (14) of the plastic cavity (13) connect, described solid The lower end of part core plate (14) is provided with cast gate (15), and the right end of the cast gate (15) is provided with runner (16), the shunting The left end in road (16) is connected with sprue puller (5).

4. the high-accuracy integrated injection mold of one kind according to claim 3, it is characterised in that：Under the runner (16) End is connected with solid plate (3) perforation.

5. the high-accuracy integrated injection mold of one kind according to claim 3, it is characterised in that：The cast gate (15) and shunting The outer surface in road (16) is both provided with rubber sleeve (17).

6. the high-accuracy integrated injection mold of one kind according to claim 1, it is characterised in that：The upper end of the push plate (9) It is connected with solid plate (3) by release link (12).