CN209552234U - A kind of oblique top mold - Google Patents

Abstract

The utility model relates to a kind of oblique top molds; include a cover half and a dynamic model; cover half includes certain mold core and a top clamping plate; dynamic model includes a moving-mould-core and a Bottom clamp plate; dynamic model also includes an ejecting mechanism and a pitched roof mechanism, and pitched roof mechanism includes insert, the angle ejector rod for being fixed in the insert and a slide fit on ejector retainner plate and being connected to the slide assemblies of angle ejector rod.Insert edge is assigned in, to form back-off portion, moving-mould-core has the first guide groove, and insert has a slide fit in the guide part of the first guide groove on moving-mould-core.Angle ejector rod drives insert to push product back to front under the promotion of ejector retainner plate and drives insert along the direction activity far from back-off portion under the limitation of the first guide groove along extending back to front and tilting toward the direction far from back-off portion.In the application, insert can with angle ejector rod be separate part, can separate machined, solve the problems, such as to be difficult to caused by oblique top in the prior art is too long, while being able to satisfy the function of oblique top again.

Description

A kind of oblique top mold

Technical field

The utility model, which relates to, belongs to technical field of mold, is related to a kind of oblique top mold.

Background technique

With the continuous development of industry, product continues to introduce new, and structure correspondingly becomes increasingly complex, and produces in plastic cement On product, it is substantially all more or less back-off structure, the depanning of this back-off is generally used oblique top depanning, therefore, to mould The requirement for having pitched roof mechanism is just higher and higher.

In the prior art, to form the forming part of back-off structure and push the movable oblique top of forming part in pitched roof mechanism Bar be it is integrally formed, during processing, cause insert and oblique top to be integrally machined difficulty since oblique top is too long larger, molding Portion processes together with angle ejector rod needing to synchronize upper NC board, and processing cost is high.In view of the above problems, this Shen is inventors herein proposed Please.

Utility model content

To be solved in the utility model is the pitched roof mechanism of the existing mold with back-off structure to form back-off The forming part and the promotion movable angle ejector rod of forming part of structure are to be integrally formed, and cause the technical problem that difficulty of processing is larger.

The utility model is realized in this way a kind of oblique top mold, includes a cover half and a dynamic model, the cover half includes one Cover half core and a top clamping plate, the dynamic model include forming cavity of the cooperation cover half core to form one to molded article Moving-mould-core and a Bottom clamp plate, the dynamic model also include that an ejecting mechanism with an ejector retainner plate and one are supported in thimble Pitched roof mechanism on plate, the pitched roof mechanism include insert, the angle ejector rod for being fixed in the insert and a slide fit on ejector retainner plate And it is connected to the sliding block of the angle ejector rod；The insert edge is assigned on moving-mould-core to the back-off portion on molded article, described dynamic Mold core has one first guide groove, and the insert has a slide fit in the guide part of first guide groove；The angle ejector rod edge Back to front extend and toward far from the back-off portion direction tilt, driven under the promotion of ejector retainner plate the insert from it is rear toward It is preceding to push the product and drive the insert living along the direction far from the back-off portion under the limitation of first guide groove It is dynamic.

Preferably, the extension of first guide groove is oriented parallel to the extension direction of the angle ejector rod, described first is led To slot along its extension direction section be dovetail groove structure.

Preferably, the insert has a spacing block set, the angle ejector rod has a limit card slot, the limit of the insert Convex block is inserted into the limit card slot and by screw and oblique top rod locking.

Preferably, offering one first cooling water channel and the second cooling water to extend along its length on the angle ejector rod Road, offer one first water inlet in the insert and the first water outlet be opened in spacing block set limit end face circulating cooling Water route, first water inlet are connected to first cooling water channel, and first water outlet is connected to second cooling water channel.

Preferably, the annular groove to accommodate ring type seal is offered on the limit end face, first water inlet Mouth and/or first water outlet are located at the inner ring of the annular groove.

Preferably, configured with one to limit the angle ejector rod movable guiding along its length on the Bottom clamp plate Plate, the guide plate have the limit hole passed through for the angle ejector rod, and the inner peripheral surface slide fit of the limit hole is in the angle ejector rod Outer peripheral surface.

Preferably, the outer peripheral surface of the angle ejector rod offers oil guide groove, the oil guide groove is to water conservancy diversion lubricating oil to reduce Frictional force between the angle ejector rod and guide pad.

Preferably, the sliding block is articulated with the angle ejector rod, the sliding block slide fit is fixed on the sliding block on ejector retainner plate in one On seat, it is the second guide groove of dove tail shape that the take-up housing, which has section,.

By using above-mentioned technical proposal, the utility model can obtain following technical effect:

A kind of oblique top mold provided by the utility model, with oblique top thereon is fastenedly connected from an insert and an angle ejector rod Form, allow insert and angle ejector rod separate machined, can solve oblique top in the prior art it is too long caused by be difficult to plus The problem of work, while it being able to satisfy the function of oblique top again.

A kind of oblique top mold provided by the utility model, with oblique top thereon is fastenedly connected from an insert and an angle ejector rod It forms, circulating cooling water route is offered in insert, the first cooling for being connected to the circulating cooling water route is offered on angle ejector rod Water route and the second cooling water channel.First cooling water channel can external water inlet pipe, the second cooling water channel can outer connected water outlet pipe so that it can It is cooling to insert.Insert and angle ejector rod are fabricated separately so that the circulating cooling water route in insert and first on angle ejector rod cold But the processing of water route and the second cooling water channel is easier, simultaneously as insert is heated part, is easier to deform, therefore Insert is only needed to change when insert is damaged in process of production, is not required to replace together with angle ejector rod, reduces production cost.

A kind of oblique top mold provided by the utility model, with oblique top thereon is fastenedly connected from an insert and an angle ejector rod It forms, insert edge is assigned on moving-mould-core, itself and moving-mould-core is cooperated to form a forming cavity to molded article.It is opened up on moving-mould-core There is one first guide groove, has a slide fit in the first slide assembling part of the first guide groove in insert, the section of first guide groove is The structure of dovetail groove can only be slided along the direction that the first guide groove extends to limit the first slide assembling part, make insert not to reach The purpose that the opposite moving-mould-core of meeting is swung along other directions.

Detailed description of the invention

Fig. 1 divides structural schematic diagram when mould for the fixed half and moving half of the oblique top mold of the utility model.

Structural schematic diagram when Fig. 2 is the fixed half and moving half molding of the oblique top mold of the utility model.

Fig. 3 is the structural schematic diagram of the dynamic model of the oblique top mold of the utility model.

Fig. 4 to fig. 6 is the structural schematic diagram of the pitched roof mechanism of the utility model.

Fig. 7 is that the angle ejector rod of the oblique top mold of the utility model and its structure of the first and second internal cooling water channels are shown It is intended to.

Fig. 8 is the insert of the oblique top mold of the utility model and the structural schematic diagram of angle ejector rod.

Fig. 9 is first guide groove of the utility model and the structural schematic diagram of the first slide assembling part.

Figure 10 is the structural schematic diagram of the insert of the utility model and its circulating cooling water route of inside.

Attached drawing mark

1- product, 11- back-off portion, 2- cover half core, 3- Bottom clamp plate, 4- moving-mould-core, the first guide groove of 41-, -5- oblique top machine Structure, 51- guide plate, 52- limit hole, 6- angle ejector rod, 61- limit card slot, the first cooling water channel of 62-, the second cooling water channel of 63-, The second water inlet of 64-, the second water outlet of 65-, the rear end 66-, 67- oil guide groove, 68- rotational pin, 7- insert, 71- fixing groove, 72- Spacing block set, 73- circulating cooling water route, the first water inlet of 731-, the first water outlet of 732-, 74- annular groove, 75- first are sliding With portion, 8- slide assemblies, 81- sliding block, the second slide assembling part of 82-, 83- take-up housing, the second guide groove of 84-, 9- ejector retainner plate.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

It is described in detail now in conjunction with structure and function of the Fig. 1 to Figure 10 to the scheme of the application.

The utility model provides a kind of for producing the oblique top mold of the product 1 with back-off structure.The mold is in this way It realizes, referring to figs. 1 to Fig. 3, a kind of oblique top mold includes a cover half and a dynamic model, and cover half includes certain mold core 2 and a cover half Seat board, dynamic model include a cooperation cover half core 2 to form the moving-mould-core 4 and a dynamic model seat to the forming cavity of molded article 1 Plate 3, the Bottom clamp plate 3 are used to support and fix the moving-mould-core 4.Dynamic model also includes an ejecting mechanism and a pitched roof mechanism 5.Ejecting mechanism is supported on Bottom clamp plate 3 and uses, and ejecting mechanism includes an ejector retainner plate 9, and the ejector retainner plate 9 is in opposite Bottom clamp plate 3 Product 1 is released by forming cavity by the thimble being configured thereon that when movable along the longitudinal direction.

In conjunction with fig. 4 to fig. 6, the dynamic model of the present embodiment also includes a pitched roof mechanism 5, is supported on ejector retainner plate 9.This is tiltedly Top mechanism 5 includes an insert 7, the angle ejector rod 6 for being fixed in the insert 7 and a slide fit on ejector retainner plate 9 and being connected to oblique top The sliding block 81 of bar 6.The sliding block 81 slides on ejector retainner plate 9 along perpendicular to direction in the front-back direction.The edge of insert 7 is assigned in moving-mould-core 4 On to the back-off portion 11 on molded article 1, and under the promotion of angle ejector rod 6 and with front-rear direction with an angle along front and back Activity.Angle ejector rod 6 drives under the promotion of ejector retainner plate 9 along extending back to front and tilting toward the direction far from back-off portion 11 Insert 7 pushes product 1 back to front and drives insert 7 living along the direction far from back-off portion 11 under the limitation of the first guide groove 41 It is dynamic.The back-off portion 11 is formed to reach, and insert 7 is allowed to be detached from the back-off while cooperating 6 ejecting product of angle ejector rod Portion 11.In the present embodiment, in conjunction with Fig. 9, insert 7 has the first slide assembling part 75 for adapting to the first guide groove 41, the first guiding The extension of slot 41 and the first slide assembling part 75 is oriented parallel to the activity direction of angle ejector rod 6.First guide groove 41 is along its extension direction Section be dovetail groove structure.First guide groove 41 of the oat tail groove structure is to limit insert 7 only along the direction that it extends Sliding.

Wherein, in the prior art, insert and angle ejector rod are all integrally formed, during processing, due to oblique top Too long to cause insert with oblique top to be integrally machined difficulty larger, and service life is not high.When especially insert (i.e. forming part) is larger, Since temperature is higher in forming process, the biggish insert radiating rate of volume is slow, needs to open up cooling water channel on it and drop to it Temperature.Existing integrally formed ramp-roof structure leads to be difficult to the most reasonable position in insert and opens up cooling water channel.In consideration of it, hair Bright people using in the application angle ejector rod and insert cooperation by the way of, the application uses the side that angle ejector rod and insert cooperate Formula, allows insert and angle ejector rod separate machined, makes to arrange cooling water channel in insert and it can be arranged in reach The best position of effect.

In the present embodiment, in conjunction with fig. 4 to fig. 6 and Fig. 8, insert 7 has a fixing groove 71, the inner configuration of fixing groove 71 There is a spacing block set 72, angle ejector rod 6 has a fixed part, which is placed in the fixing groove 71.Fixed part also includes one The spacing block set 72 of limit card slot 61, insert 7 is inserted into the position for limiting angle ejector rod 6 Yu insert 7 in limit card slot 61, most Afterwards, insert 7 is locked insert 7 and angle ejector rod 6 by screw.

In conjunction with Fig. 4 to Fig. 8 and Figure 10, the cooling duct extended along its length is offered on angle ejector rod 6, the cooling Channel includes the first cooling water channel 62 and the second cooling water channel 63, offers a circulating cooling water route 73 in insert 7, the circulation is cold But first water inlet 731 and the first water outlet 732 in water route 73 are opened in the limit end face of spacing block set 72.In insert 7 and tiltedly When mandril 6 is locked, the first water inlet 731 is connected to the first cooling water channel 62, and the first water outlet 732 is connected to the second cooling water channel 63. The second water outlet for offering the second water inlet 64 of the first cooling water channel 62 of connection on angle ejector rod 6, being connected to the second cooling water channel 63 Mouth 65, the second water inlet 64 and the second water outlet 65 are to connect water pipe.Wherein, the second water inlet 64, the second water outlet 65 are opened Set on the rear end of angle ejector rod 6 66, the water pipe for being connected to the second water inlet 64 and the second water outlet 65 is living before and after ejector pin mechanism Interference will not be generated when dynamic.

With reference to Fig. 8, the annular groove 74 offered on end face to accommodate ring type seal is limited, which uses To prevent leak between insert 7 and angle ejector rod 6.The periphery of first water inlet 731 of the present embodiment is configured with a ring type seal, First water outlet 732 is configured with a ring type seal, i.e. the first water inlet 731 and the first water outlet 732 are respectively by different Ring type seal prevents its leak.It is understood that in other embodiments, can also the first water inlet 731 and first go out In the periphery at the mouth of a river 732 is looped around by a ring type seal, i.e. the first water inlet 731 and the first water outlet 732 are located at In the inner ring of annular groove 74.

In conjunction with Fig. 1 to Fig. 6, configured with one to limit the movable guiding along its length of angle ejector rod 6 on Bottom clamp plate 3 Plate 51, guide plate 51 have the limit hole 52 passed through for angle ejector rod 6, and the inner peripheral surface slide fit of limit hole 52 is in the periphery of angle ejector rod 6 Face.Wherein, the via hole passed through for angle ejector rod 6 is offered on dynamic model seat, is cooperated between the via hole and angle ejector rod 6 using empty avoiding.This The guide plate 51 of embodiment is configured at the rear side of Bottom clamp plate 3.The guide plate 51 makes angle ejector rod 6 when movable along the longitudinal direction Be not in swing, ensure that the stability of the power between insert 7 and angle ejector rod 6.In the present embodiment, the outer peripheral surface of angle ejector rod 6 Oil guide groove 67 is offered, oil guide groove 67 reduces the frictional force between angle ejector rod 6 and guide pad to water conservancy diversion lubricating oil.

In conjunction with Fig. 4 to Fig. 7, sliding block 81 is articulated with the rear end 66 of angle ejector rod 6, to ensure angle ejector rod 6 when pushing insert 7 Power flexibility.Wherein, it is configured with a rotational pin 68 on the rear end 66 of angle ejector rod 6, is realized and sliding block 81 by the rotational pin 68 Hinged activity.81 slide fit of sliding block is fixed on sliding block 81 on ejector retainner plate 9 in one, and angle ejector rod 6 is under the promotion of ejector retainner plate 9 When following its fore-aft travel, angle ejector rod 6 pushes sliding block 81 to slide in the plane with respect to ejector retainner plate 9.81 seat tool of sliding block has the section to be Second guide groove 84 of dove tail shape has slide fit in the second slide assembling part 82 of the second guide groove 84 on sliding block 81.This second Guide groove 84 is to cooperate the second slide assembling part 82 to synchronize angle ejector rod 6 when along fore-aft travel toward the back-off portion far from product 1 11 direction activity.Wherein, sliding block 81 are fixed on ejector retainner plate 9.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (8)

1. a kind of oblique top mold includes a cover half and a dynamic model, the cover half includes certain mold core and a top clamping plate, described dynamic Mould includes a cooperation cover half core to form the moving-mould-core and a Bottom clamp plate of a forming cavity to molded article, described Dynamic model also includes that an ejecting mechanism with an ejector retainner plate and one are supported in pitched roof mechanism on ejector retainner plate,

It is characterized in that,

The pitched roof mechanism includes insert, the angle ejector rod for being fixed in the insert and a slide fit on ejector retainner plate and being connected to institute State the slide assemblies of angle ejector rod；

The insert edge is assigned on moving-mould-core to the back-off portion on molded article, and the moving-mould-core has one first guide groove, The insert has a slide fit in the guide part of first guide groove；

The angle ejector rod is simultaneously tilted toward the direction far from the back-off portion along extending back to front, the band under the promotion of ejector retainner plate The insert is moved to push the product back to front and drive the insert along far from institute under the limitation of first guide groove State the direction activity in back-off portion.

2. oblique top mold according to claim 1, which is characterized in that the extension of first guide groove is oriented parallel to institute State the extension direction of angle ejector rod, first guide groove is the structure of dovetail groove along the section in its extension direction.

3. oblique top mold according to claim 1, which is characterized in that the insert has a spacing block set, the oblique top Bar has a limit card slot, and the spacing block set of the insert is inserted into the limit card slot and by screw and oblique top rod locking.

4. oblique top mold according to claim 3, which is characterized in that offer on the angle ejector rod and prolong along its length One first cooling water channel and the second cooling water channel of exhibition offer one first water inlet in the insert and open up with the first water outlet In the circulating cooling water route of the limit end face of spacing block set, first water inlet is connected to first cooling water channel, and described the One water outlet is connected to second cooling water channel.

5. oblique top mold according to claim 4, which is characterized in that offer on the limit end face to accommodate annular The annular groove of sealing ring, first water inlet and/or first water outlet are located at the inner ring of the annular groove.

6. oblique top mold according to claim 1, which is characterized in that configured with one to limit on the Bottom clamp plate Angle ejector rod movable guide plate along its length is stated, the guide plate has the limit hole passed through for the angle ejector rod, described The inner peripheral surface slide fit of limit hole is in the outer peripheral surface of the angle ejector rod.

7. oblique top mold according to claim 4, which is characterized in that the outer peripheral surface of the angle ejector rod offers oil guide groove, The oil guide groove reduces the frictional force between the angle ejector rod and guide pad to water conservancy diversion lubricating oil.

8. oblique top mold according to claim 1, which is characterized in that the slide assemblies include one be articulated with it is described tiltedly The sliding block of mandril and a take-up housing, the sliding block slide fit are fixed on the take-up housing on ejector retainner plate in one, the sliding block seat tool Having section is the second guide groove of dove tail shape.