CN110948785A

CN110948785A - Plastic double-color-mold mechanical male mold sliding block control sequence mold opening and closing mechanism

Info

Publication number: CN110948785A
Application number: CN201911324174.2A
Authority: CN
Inventors: 胡武; 蔺福志
Original assignee: Jiaxing Xinyuan Precision Mould Technology Co Ltd
Current assignee: Jiaxing Xinyuan Precision Mould Technology Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-04-03

Abstract

The invention belongs to the technical field of injection molding systems, and provides a plastic double-color mold mechanical type male mold sliding block control sequence mold opening and closing mechanism which sequentially comprises an upper fixing plate, a hot runner plate, a female mold core, a male mold plate, mold feet, a lower fixing plate and a double-color injection molding machine movable mold side rotary table from top to bottom, wherein the hot runner plate is respectively provided with a primary injection head and a secondary injection head, a male mold sliding block retaining assembly is arranged on the side edge between the female mold core and the male mold core when the primary injection head performs injection molding, the double-color injection molding machine movable mold side rotary table drives the male mold to partially rotate for 180 degrees, and a male mold sliding block linkage assembly is arranged on the side edge between the female mold core and the male mold core when. The invention has the advantages that the invention can be applied to the same product and needs to be formed by two different materials, thereby greatly improving the quality and the production efficiency of the product, and reducing the problem that the product cannot meet the market demand because the product is inserted and shoveled to a bad state by the traditional slide block.

Description

Plastic double-color-mold mechanical male mold sliding block control sequence mold opening and closing mechanism

Technical Field

The invention belongs to the technical field of injection molding systems, and particularly relates to a plastic double-color mold mechanical type male mold sliding block control sequence mold opening and closing mechanism.

Background

The double-color plastic mold male mold slider is characterized in that the first injection mold does not loose core when the mold is opened, the second injection mold is rotated to 180 degrees, and then the slider looses core when the mold is opened, the slider looses core synchronously under the thrust action of an inclined guide post and moves backwards to be demolded, and the slider continues to loose core under the thrust action of the inclined guide post to move forwards to close the mold when the mold is closed again.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a plastic double-color-mold mechanical male mold sliding block control sequence mold opening and closing mechanism, which can greatly improve the quality and the production efficiency of products, reduce the phenomenon that the products are inserted and shoveled to a bad state by a traditional sliding block and has very wide subsequent application market.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a two-color plastic mould mechanical type public mould slider control order mold opening and closing mechanism, from top to bottom includes upper fixed plate, hot runner plate, cavity board, cavity benevolence, core insert, public template, mould foot, bottom plate and the mobile mould side carousel of two-color injection molding in proper order, the mould foot in be provided with interconnect's last thimble board and lower thimble board, be connected with the thimble on the last thimble board, the upper end of thimble is connected on core insert, has once injection head and secondary injection head on the hot runner plate respectively, when the first injection head was moulded plastics the side between core insert and the core insert be provided with public mould slider and keep the subassembly, the mobile mould side carousel of two-color injection molding drives the rotatory 180 degrees of core mould part, the side between core insert and the core insert is provided with public mould slider linkage subassembly when the secondary injection head was moulded plastics.

In the above-mentioned public mould slider control order of plastic double-colored mould mechanism that opens and shuts, public mould slider linkage subassembly including moulding plastics slider, slider seat, interior slider and spring, the slider of moulding plastics links firmly in one side of slider seat, the slider seat on the cooperation be provided with one and penetrate oblique guide pillar, the slider seat on seted up and supply one to penetrate oblique guide pillar and insert oblique guide slot, have the groove of packing into that supplies interior slider and spring to install together in the inside of slider seat, be provided with the interior slider clamp plate at the groove both sides tip of packing into, the both sides limit of one to penetrate oblique guide pillar is the whole straight body plane section, when one penetrates oblique guide pillar and inserts or deviate from oblique guide slot interior slider and the whole straight body plane section cooperation of one to penetrate oblique guide pillar.

In the above-mentioned two-color plastic mechanical type male die slider control order mold opening and closing mechanism, the inner slide block including plane portion and installation trip portion, the plane portion of inner slide block and the full straight body plane section cooperation of penetrating oblique guide pillar, installation trip portion card establish on the loading groove.

In the above-mentioned two-color plastic die mechanical type male die slide block control order mold opening and closing mechanism, the back of the one-shot oblique guide pillar is provided with an oblique shoulder, and the injection molding slide block is provided with a slide block wear-resisting plate matched with the oblique shoulder.

In the above-mentioned two-color plastic mechanical type male mold slider control order mold opening and closing mechanism, the male mold slider linkage assembly include with once mould plastics shared slider, slider seat, interior slider and spring, two mould mobile side carousel drive male mold part of moulding plastics after 180 degrees, the slider seat on the cooperation be provided with two and penetrate oblique guide pillar, two penetrate oblique guide pillar and interior slider between have linkage structure.

In the above-mentioned two look moulds of plastic mechanical type male mould slider control order mold opening and closing mechanism, the linkage structure include the step bayonet part that is located on the interior slider and the card rank face portion that is located two and penetrates oblique guide pillar, two penetrate oblique guide pillar insert or deviate from oblique guide slot when step bayonet part card on the interior slider block on the card rank face portion and make two penetrate oblique guide pillar and drive the slider seat and remove together.

Compared with the prior art, the injection molding slide block mechanism has the advantages that the injection molding slide block mechanism can be applied to the situation that the same product needs to be formed by two different materials, the reverse buckling position of the product is provided with hard glue and soft glue, the sequential mold opening and closing mechanism can keep the injection molding slide block to be fixed during primary injection molding, so that the product is prevented from deforming during secondary injection molding, the injection molding slide block can be moved in time to be separated from the product after secondary injection molding, the quality and the production efficiency of the product can be greatly improved, and the phenomenon that the product is inserted and shoveled to a bad state by a traditional slide block to cause that the product cannot meet market requirements is reduced.

Drawings

FIG. 1 is a schematic view of the plastic dual-color mold mechanical male mold slide block control sequence mold opening and closing mechanism;

FIG. 2 is a schematic structural view of a male mold slide in one-shot injection molding;

FIG. 3 is a schematic structural view of a male mold slider during secondary injection molding;

FIG. 4 is a schematic view of the structure of the inner slide block matching with the two-shot angle guide post during the secondary injection molding.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the figure, an upper fixing plate 1; a hot runner plate 2; a master template 3; a cavity insert 4; a core insert 5; a male template 6; a mold foot 7; a lower fixing plate 8; a mobile mold side turntable 9 of the double-color injection molding machine; an upper thimble plate 10; a lower ejector plate 11; a thimble 12; a male mold slide retaining assembly 13; a male die slide linkage assembly 14; an injection molding slide block 15; a slider holder 16; an inner slide block 17; a planar portion 171; a stepped bayonet portion 172; mounting clip portion 173; a spring 18; a beam guide 19; an inclined guide groove 20; a fitting groove 21; an inner slide platen 22; a reclining shoulder 23; a slide wear plate 24; a full straight body planar section 25; a secondary ejection angle guide post 26; a calorie-level face 27; a hard glue 28; soft glue 29.

As shown in fig. 1, the plastic double-color mold mechanical male mold slide block control sequence mold opening and closing mechanism comprises an upper fixing plate 1, a hot runner plate 2, a female mold plate 3, a female mold core 4, a male mold core 5, a male mold plate 6, a mold foot 7, a lower fixing plate 8 and a double-color injection molding machine movable mold side rotary table 9 from top to bottom in sequence, wherein an upper ejector plate 10 and a lower ejector plate 11 which are connected with each other are arranged in the mold foot 7, an ejector 12 is connected to the upper ejector plate 10, the upper end of the ejector 12 is connected to the male mold core 5, the hot runner plate 2 is respectively provided with a primary injection head and a secondary injection head, the primary injection head is mainly used for injecting hard glue 28, the secondary injection head is mainly used for injecting soft glue 29, the double-color injection machine movable mold side rotary table 9 is mainly used for driving the male mold to rotate to realize a secondary injection position, a male mold slide block holding component 13 is arranged at the side edge between the female mold core 4 and the, the movable mold side turntable 9 of the double-color injection molding machine drives a male mold part to rotate 180 degrees, a male mold slider linkage assembly 14 is arranged on the side edge between a female mold core 4 and a male mold core 5 when a secondary injection head performs injection molding, the sequential opening and closing mold of the double-color injection molding machine is mainly realized, the male mold slider can keep an injection molding position without separation through a male mold slider retaining assembly 13 after the primary injection head performs injection molding and opens the mold, the whole product is not deformed when the secondary injection head performs injection molding on a soft rubber 29 part, the male mold slider is required to withdraw from the product as fast as possible through the male mold slider linkage assembly 14 after the secondary injection molding is completed, the follow-up ejection of the product is facilitated, and the product is prevented from being damaged by inserting and shoveling.

Specifically, as shown in fig. 2, the male mold slider linkage assembly 14 includes an injection molding slider 15, a slider seat 16, an inner slider 17 and a spring 18, the injection molding slider 15 is fixedly connected to one side of the slider seat 16, an oblique injection guide post 19 is cooperatively arranged on the slider seat 16, an oblique injection guide post 19 is arranged on the slider seat 16 for being inserted into an oblique guide slot 20, a loading slot 21 for mounting the inner slider 17 and the spring 18 is arranged inside the slider seat 16, inner slider pressing plates 22 are arranged at two side ends of the loading slot 21, the inner slider 17 includes a mounting head portion 173, the mounting head portion 173 is clamped on the loading slot 21, here, the mounting position of the inner slider 17 can be ensured by the mounting head portion 173, and end encapsulation is performed by the inner slider pressing plates 22 at the ends, here, after the inner slider 17 is loaded into the slider seat 16, which is equivalent to that the inner slider 17 and the slider seat 16 form a whole, a back portion of the oblique injection guide post 19 has an oblique abutment shoulder portion 23, the injection moulding slide block 15 is provided with a slide block wear-resisting plate 24 matched with the leaning shoulder 23, wherein the slide block wear-resisting plate 24 can enhance the wear-resisting durability and ensure the service life, two side edges of a shooting inclined guide post 19 are full straight body plane sections 25, when an oblique-shooting guide post 19 is inserted into or pulled out of the oblique guide groove 20, the inner slide block 17 is matched with the full-straight-body plane section 25 of the oblique-shooting guide post 19, the inner slide 17 here comprises a planar portion 171, embodied in such a way that the planar portion 171 of the inner slide 17 cooperates with the fully straight planar section 25 of a mitre guide post 19, here since the inner slide 17 is engaged by the flat surface 171 with the fully straight flat section 25 of a down comer post 19, therefore, the inclined guide post 19 and the inner slide block 17 are in free sliding fit, namely, the injection slide block 15 is in a stationary state when the inclined guide post 19 is limited during demoulding, thereby being beneficial to secondary injection.

As shown in fig. 3, the male mold slide linkage assembly 14 includes an injection slide 15, a slide seat 16, an inner slide 17 and a spring 18, which are used together with the primary injection, after the dual-color injection molding machine drives the male mold part to rotate 180 degrees, the slide seat 16 is provided with two oblique injection guide posts 26 in a matching manner, and after the primary injection is completed and rotated 180 degrees, the injection slide 15, the slide seat 16, the inner slide 17 and the spring 18 which are originally in the primary injection are rotated to the two oblique injection guide posts 26 to be matched with the two oblique injection guide posts 26, as shown in fig. 4, a linkage structure is provided between the two oblique injection guide posts 26 and the inner slide 17, specifically, the linkage structure includes a step bayonet part 172 located on the inner slide 17 and a step surface part 27 located on the two oblique injection guide posts 26, when the two oblique injection guide posts 26 are inserted into or removed from or out of the guide grooves 20, the step bayonet part 172 on the inner slide 17 is clamped on the step bayonet part 27, and the two oblique injection guide posts 26 drive, here, it can be seen that due to the cooperation of the step bayonet portion 172 and the bayonet step surface portion 27, the two-shot inclined guide post 26 can drive the slider seat 16 to link together when the mold is opened, so as to drive the injection slide to link together, thereby realizing the product release after the product is injected.

When the mold is in work, the inclined plane at the end part of the one-shot inclined guide post 19 of the mold is matched to generate thrust to extrude the inclined plane at the tail part of the inner slide block 17 downwards, the inner slide blocks 17 at two sides generate lateral component force, because the rear sections of two side edges of the one-shot inclined guide post 19 are full straight body plane sections 25, the inner slide block 17 moves outwards to a certain position and then is separated from the one-shot inclined guide post 19, the one-shot inclined guide post 19 continues to move forwards until the mold is matched, the two-shot inclined guide post 26 just starts to move as the one-shot inclined guide post 19, when the two-shot inclined guide post 26 moves to a certain position, the inner slide block 17 is completely pressed to a return state by the two-shot inclined guide post 26, the two-shot inclined guide post 26 is contacted with the inclined plane of the slide block seat 16, the slide block seat 16 and the injection slide block 15 are matched while being pushed towards the front edge, specifically, the hard glue 28 is PC + GF 30%, the mold is opened, two sides of a first injection inclined guide post 19 are straight, when the mold is opened, an injection slide block 15 at a corresponding position is in a static state, the purpose can be realized that a product which is once injected is immobilized, so that the product which is once injected cannot shrink or deform, a double-color injection molding machine moves a mold side rotary table 9 to rotate a male mold part for 180 degrees, the mold is closed for the second time, a double-color injection molding machine secondary injection head injects and fills soft glue 29, the soft glue 29 is TPE, after filling is completed, the mold is opened, a step bayonet part 172 of a second injection inclined guide post 26 is matched with a bayonet part 27, so that an inner slide block 17 at the corresponding position generates outward thrust, the injection slide block 15 and a slide block seat 16 thereof are enabled to pull open the injection slide block 15 under the action of opening of the mold, a slide block demolding state is achieved, an upper ejector retainer plate 10 and a lower ejector plate 11 are ejected, and, the mould continues to cycle its motion to produce.

The embodiments described herein are merely illustrative of the spirit of the invention and various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the claims.

Claims

1. The utility model provides a two-color plastic mould mechanical type public mould slider control order mold opening and closing mechanism, from top to bottom includes upper fixed plate, hot runner plate, cavity board, cavity benevolence, core insert, public template, mould foot, bottom plate and the mobile mould side carousel of two-color injection molding in proper order, the mould foot in be provided with interconnect's last thimble board and lower thimble board, be connected with the thimble on the last thimble board, the upper end of thimble is connected on core insert, has once injection head and secondary injection head on the hot runner plate respectively, when the first injection head was moulded plastics the side between core insert and the core insert be provided with public mould slider and keep the subassembly, the mobile mould side carousel of two-color injection molding drives the rotatory 180 degrees of core mould part, the side between core insert and the core insert is provided with public mould slider linkage subassembly when the secondary injection head was moulded plastics.

2. The plastic double-color mold mechanical male mold slide control sequence mold opening and closing mechanism according to claim 1, wherein the male mold slide linkage assembly comprises an injection slide, a slide seat, an inner slide and a spring, the injection slide is fixedly connected to one side of the slide seat, an oblique injection guide post is cooperatively arranged on the slide seat, an insertion groove for inserting the oblique injection guide post into the oblique guide groove is formed in the slide seat, an insertion groove for installing the inner slide and the spring together is formed in the slide seat, inner slide pressing plates are arranged at two side ends of the insertion groove, two side edges of the oblique injection guide post are full straight body plane sections, and the inner slide is matched with the full straight body plane sections of the oblique injection guide post when the oblique injection guide post is inserted into or separated from the oblique guide groove.

3. The plastic bicolor mold mechanical male mold sliding block control sequence mold opening and closing mechanism according to claim 2, wherein the inner sliding block comprises a plane part and a mounting head part, the plane part of the inner sliding block is matched with a full straight body plane section of an inclined injection guide post, and the mounting head part is clamped on the mounting groove.

4. A two-color plastic mold mechanical male mold slide control sequence opening and closing mechanism as claimed in claim 2 or 3, wherein the back of the one injection angle guide post has an angle shoulder, and the injection mold slide has a slide wear plate cooperating with the angle shoulder.

5. The plastic double-color mold mechanical type male mold slider control sequence mold opening and closing mechanism according to claim 4, wherein the male mold slider linkage assembly comprises an injection molding slider, a slider seat, an inner slider and a spring which are shared with one-time injection molding, after the double-color injection molding machine drives the male mold part to rotate 180 degrees by a mold side turntable, the slider seat is provided with two injection inclined guide pillars in a matching way, and a linkage structure is arranged between the two injection inclined guide pillars and the inner slider.

6. The plastic double-color mold mechanical male mold sliding block control sequence mold opening and closing mechanism according to claim 5, wherein the linkage structure comprises a step bayonet part located on the inner sliding block and a clamping step surface part located on the two injection inclined guide pillars, and when the two injection inclined guide pillars are inserted into or pulled out of the inclined guide grooves, the step bayonet part on the inner sliding block is clamped on the clamping step surface part and the two injection inclined guide pillars drive the sliding block seat to move together.