CN201784092U

CN201784092U - Mold

Info

Publication number: CN201784092U
Application number: CN2010202258354U
Authority: CN
Inventors: 黎健明; 吴小平; 何世雄
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2010-06-04
Filing date: 2010-06-04
Publication date: 2011-04-06
Anticipated expiration: 2020-06-04

Abstract

The utility model discloses a mold, which is used for molding a product with an inverted buckling structure in the middle thereof. The mold comprises a fixed mold and a moving mold, wherein the fixed mold includes a fixed mold fixing plate, a fixed mold plate, a fixed mold core, an inclined push block, a limit element and an elastic element; an inclined extension groove and a limit groove communicated with the extension groove are formed on the fixed mold plate; a fixed mold cavity and an inclined chute communicated with the fixed mold cavity are formed in the fixed mold core; the inclined push block is arranged in the chute in a sliding manner; one end of the inclined push block can extend out of the fixed mold cavity; an accommodating hole is formed at the other end of the inclined push block; a forming hole communicated with the fixed mold cavity is formed on the inclined push block; the limit element includes a fixed end and a limit end; the fixed end extends into the accommodating hole and is fixedly connected with the inclined push block; the limit end is arranged in the limit groove in a sliding manner; the elastic element is placed in the accommodating hole; and the two ends of the elastic element are respectively propped against the hole wall of the accommodating hole and the groove wall of the extension groove. The mold provided by the utility model has the advantages of few components, small occupied space and low cost.

Description

Mould

Technical field

The utility model relates to a kind of mould, particularly relates to a kind of mould that the moulding centre position has the plastic product of back-off structure that is used for.

Background technology

Along with the raising of people's living standard, the variation more that needed in daily life daily product also becomes, wherein plastic product is seen everywhere in people's life especially, for example phone housing, Mp3 shell, plastic cup, game pad or the like.Pour in the mould after processing need be with plastic molting during these products, back to be formed cooling die sinking just can obtain needed product.Standing on the plastic product have back-off structure, when back-off structure is positioned at plastic product one side, need design side core-pulling mechanism (being side slide), and when the mould die sinking, side core-pulling mechanism drives its lateral movement by guiding mechanism, makes it break away from product.And when back-off structure is positioned at the plastic product centre position, the smooth demoulding when then needing to design special mould structure and realizing its moulding and die sinking, and existingly be used for mold mechanism that the moulding centre position has the plastic product of back-off structure to occupy die space bigger, consume material and manufacturing cost height.

The utility model content

The purpose of this utility model is to provide a kind of mould that the moulding centre position has the plastic product of back-off structure that is used at above-mentioned the deficiencies in the prior art, and it takes up room less, and mechanism element is less, thereby can reduce die cost.

For achieving the above object, mould that the utility model provides, be used for the product that the moulding centre position has back-off structure, this mould comprises cover half and dynamic model, and this cover half further comprises the cover half fixed head, be fixed in solid plate on the cover half fixed head, be fixedly arranged on cover half benevolence, cant, limit element and flexible member in the solid plate.Solid plate is provided with the extension slot of inclination and the stopper slot of the inclination that is communicated with extension slot.Cover half benevolence is provided with the cover half chamber, runs through the chute that offers inclination on the cover half benevolence, and chute one end is communicated with the cover half chamber.Cant is slidedly arranged in the chute, and cant one end is extended in the cover half chamber, and the other end is provided with a containing hole, is formed with the moulding hole that is communicated with the cover half chamber on the cant.The stiff end that limit element comprises positive stop end and is fixed together with positive stop end, stiff end pass stopper slot and stretch in the containing hole and with cant and fixedly connected, and positive stop end is slidedly arranged in the stopper slot.Flexible member places in the containing hole of cant and is sheathed on outside the stiff end, and an end of flexible member is replaced the hole wall of containing hole, and the other end is resisted against on the cell wall of extension slot of solid plate.

As mentioned above, the cant that stretches in the cover half chamber that the utility model mould slides by tiltable is done tilt slide when the die sinking, and product slides along the die sinking direction, makes product break away from cover half thus.Therefore, the utility model mold mechanism part is less, and it is less to take up room, and cost is low.

Description of drawings

Fig. 1 is the schematic diagram of the utility model mould mold closing state.

When Fig. 2 was mould die sinking shown in Figure 1, product broke away from the schematic diagram of cover half.

When Fig. 3 was mould die sinking shown in Figure 1, product broke away from the schematic diagram of dynamic model.

Fig. 4 is the explosive view of cover half of the part of mould shown in Figure 1.

Fig. 5 is the stereogram of the cant of mould shown in Figure 1.

Each description of reference numerals is as follows among the figure:

Cover half fixed head 10 mounting grooves 11

Solid plate 20 extension slots 21

Stopper slot 22 cover half benevolence 30

Chute 31 cover half chambeies 32

Guide groove 33 cants 40

Moulding hole 41 containing holes 42

Guide rail 43 flexible members 50

Limit element 60 positive stop ends 61

Stiff end 62 dynamic mould fixing plates 71

Moving platen 72 mavable module cores 73

First liftout plate, 74 second liftout plates 75

Brace 76 fixed parts 761

Product 200 back-off structure 201

Side hook 202

The specific embodiment

By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

See also Fig. 1 to Fig. 5, the utility model mould is used for the plastic product 200 that the moulding centre position has back-off structure 201, and this mould comprises cover half (not indicating among the figure) and dynamic model (not indicating among the figure).This cover half further comprises cover half fixed head 10, be fixed in solid plate 20 on the cover half fixed head 10, be fixedly arranged on cover half benevolence 30, cant 40, flexible member 50 and limit element 60 in the solid plate 20.

Please refer to Fig. 2, Fig. 3 and Fig. 4, described cover half benevolence 30 is provided with cover half chamber 32, offers the chute 31 of inclination on the cover half benevolence 30, and chute 31 1 ends are communicated with cover half chamber 32.

Solid plate 20 is provided with the stopper slot 22 of an extension slot 21 and an inclination that is communicated with extension slot 21 corresponding to chute 31 places, and corresponding stopper slot 22 offers the mounting groove 11 of inclination on the cover half fixed head 10.Chute 31 places further are provided with two guide grooves 33 that tilt.

Please continue and consult Fig. 3, Fig. 4 and Fig. 5, cant 40 is slidedly arranged in the chute 31 of cover half benevolence 30, and the extended cover half of cant 40 1 ends chamber 32 ejects with the product with moulding.Be formed with the moulding hole 41 that is communicated with cover half chamber 32 on the cant 40, be used for the back-off structure 201 that moulding is positioned at product 200 mid portions.Cant 40 other ends are provided with a containing hole 42.In addition, smooth and easy for cant 40 is slided in chute 31, also convex with two slide way inclined 43 on the cant 40, slide rail 43 is slidedly arranged in the guide groove 33.

In the present embodiment, described flexible member 50 is a spring, and described limit element 60 is a limited screw.Limit element 60 comprises positive stop end 61 and the stiff end 62 that is fixed together with positive stop end 61.

During assembling, the stiff end 62 of limit element 60 passes mounting groove 11 and stopper slot 22 and stretches in the containing hole 42 and with cant 40 and fixedly connected, and positive stop end 61 is slidedly arranged in the stopper slot 22, to limit the sliding stroke of cant 40.Flexible member 50 is placed in the containing hole 42 of cant 40 and be sheathed on outside the stiff end 62, an end of flexible member 50 is replaced the hole wall of containing hole 42, and the other end is resisted against on the cell wall of extension slot 21 of solid plate 20.Because the elasticity of flexible member 50 is unclamped and compression, cant 40 certain distance of can in chute 31, sliding.

The operation principle of the utility model mould is as follows:

Please continue and consult Fig. 1 and Fig. 2, during mold closing, because dynamic model and cover half are closed together, cant 40 is subjected to compressing of dynamic model and slides in chute 31, thereby compression elastic element 50 is placed in the containing hole 21 fully, and the end that cant 40 is provided with containing hole 42 slides on the cell wall of the extension slot 21 that is resisted against solid plate 20.

After the moulding of product 200, during die sinking, dynamic model leaves cover half, cant 40 no longer is subjected to compressing of dynamic model, flexible member 50 elasticity are replaced cant 40 makes the one end skid off chute 31, be fixed in limit element 60 on the cant 40 with cant 40 tilt slide, slide into the cell wall place that fastens in stopper slot 22 until positive stop end 61.Simultaneously, cant 40 is replaced product 200 and is made product 200 leave the cover half chamber 32 of cover half benevolence 30 with dynamic model, because cant 40 is a tilt slide, its certain distance that on the direction vertical, also slides then with the die sinking direction, thus the back-off structure of product 200 201 breaks away from the moulding hole 41 of cants 40 and realizes the demoulding.

Wherein, be that the back-off structure 201 make product 200 realizes the demouldings just, can design the length of the stiff end 61 of limit element 60 according to the different length of the back-off structure 201 of different product 200, thus control cant 40 sliding distance in an inclined direction.

Please refer to Fig. 2 and Fig. 3, for guaranteeing that product 200 can leave cover half with dynamic model when the die sinking, this dynamic model further comprises dynamic mould fixing plate 71, is fixed in the moving platen 72 on the dynamic mould fixing plate 71, the spacer block (figure does not show) of fixedly connected dynamic mould fixing plate 71 and moving platen 72 and be located at mavable module core 73 in the moving platen 72.Mavable module core 73 is provided with dynamic model chamber (figure do not show), and dynamic model chamber and cover half chamber surround the die cavity of mould jointly during matched moulds.Form a receiving space between dynamic mould fixing plate 71, moving platen 72 and two spacer blocks, first liftout plate 74 and second liftout plate 75 are fixed as one and are positioned at this receiving space, and can move along the direction of die sinking, matched moulds in receiving space.This dynamic model comprises a brace 76, and an end of brace 76 is fixed on first liftout plate 74 and second liftout plate 75, and brace 76 other ends tilt to pass moving platen 72 and are inserted into also tiltable in dynamic model the chamber in and stretch out the dynamic model chamber.Brace 76 other ends are provided with the fixed part vertical with the matched moulds direction 761.Product 200 has side hook 202 accordingly, and this side hook 202 can be the inherent structure of product 200, when side hook 202 is not the inherent structure of product 200, can be designed to processing procedure spare, promptly after product 200 moulding its folding is removed.

Particularly, after the moulding, the side hook 202 of fixed part 761 fixed product 200 of brace 76.Therefore during die sinking, product 200 leaves cover half with dynamic model.After the back-off structure 201 of product 200 breaks away from cover half, first liftout plate 74 and second liftout plate 75 of dynamic model eject brace 76, and the end that brace 76 stretches into the dynamic model chamber tilts to stretch out the dynamic model chamber, thereby fixed part 761 breaks away from the side hook 202 of product 200, and simultaneously, product 200 breaks away from the dynamic model chamber.So far, product 200 breaks away from fixed half and moving half fully.

In sum, the cant 40 that stretches in the cover half chamber 32 that the utility model mould slides by tiltable is done tilt slide when the die sinking, and product 200 slides along the die sinking direction, makes product 200 break away from cover half thus.Therefore, the utility model mold mechanism part is less, and it is less to take up room, and cost is low.

Claims

1. mould, be used for the product that the moulding centre position has back-off structure, this mould comprises cover half and dynamic model, this cover half further comprises the cover half fixed head, is fixed in the solid plate on the cover half fixed head and is fixedly arranged on the interior cover half benevolence of solid plate, cover half benevolence is provided with the cover half chamber, it is characterized in that: described solid plate is provided with the extension slot of inclination and the stopper slot of the inclination that is communicated with extension slot; Run through the chute that offers inclination on the cover half benevolence, chute one end is communicated with the cover half chamber; This mould also comprises cant, limit element and flexible member, and cant is slidedly arranged in the chute, and cant one end is extended in the cover half chamber, and the other end is provided with a containing hole, is formed with the moulding hole that is communicated with the cover half chamber on the cant; The stiff end that limit element comprises positive stop end and is fixed together with positive stop end, stiff end pass stopper slot and stretch in the containing hole and with cant and fixedly connected, and positive stop end is slidedly arranged in the stopper slot; Flexible member places in the containing hole of cant and is sheathed on outside the stiff end, and an end of flexible member is replaced the hole wall of containing hole, and the other end is resisted against on the cell wall of extension slot of solid plate.

2. mould as claimed in claim 1 is characterized in that: corresponding stopper slot offers the mounting groove of inclination on the described cover half fixed head, and described stiff end passes mounting groove and stopper slot and stretches in the containing hole and with cant and fixedly connected.

3. mould as claimed in claim 1 is characterized in that: described flexible member is a spring, and described limit element is a limited screw.

4. mould as claimed in claim 1 is characterized in that: described chute place further is provided with the guide groove of inclination, convexes with slide way inclined on the cant, and slide rail is slidedly arranged in the guide groove.

5. mould as claimed in claim 1; it is characterized in that: described dynamic model further comprises dynamic mould fixing plate; be fixed in the moving platen on the dynamic mould fixing plate; two spacer blocks of fixedly connected dynamic mould fixing plate and moving platen and be located at mavable module core in the moving platen; mavable module core is provided with the dynamic model chamber; and dynamic model chamber and cover half chamber surround the die cavity of mould jointly during matched moulds; dynamic mould fixing plate; form a receiving space between moving platen and two spacer blocks; first liftout plate and second liftout plate are fixed as one and are positioned at this receiving space; and can be along die sinking in receiving space; the direction motion of matched moulds; this dynamic model also comprises a brace; one end of brace is fixed on first liftout plate and second liftout plate; the brace other end tilts to pass moving platen and is inserted into also tiltable in dynamic model the chamber in and stretches out the dynamic model chamber; the brace other end is provided with the fixed part vertical with the matched moulds direction; described product has the side hook accordingly, this fixed part fixation side hook.