CN217968216U

CN217968216U - Demoulding mechanism of plastic daily article mould

Info

Publication number: CN217968216U
Application number: CN202222104361.3U
Authority: CN
Inventors: 韩英; 叶芝
Original assignee: Taizhou Huasen Daily Use Articles Co ltd
Current assignee: Taizhou Huasen Daily Use Articles Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-06
Anticipated expiration: 2032-08-10

Abstract

The utility model belongs to the technical field of the mould, especially, relate to a demoulding mechanism of plastics daily necessities mould. The utility model discloses, including mould plastics and the lower mould of moulding plastics, the lower mould of moulding plastics on be equipped with and mould a core fixed plate. The utility model discloses in the in-process of moulding plastics, it is close to each other to mould plastics the mould and mould plastics the lower mould, make the side open type auxiliary forming drawing of patterns subassembly outside and mould plastics and hug closely the cooperation mutually, mould a core portion and insert and form complete die cavity in the side open type auxiliary forming drawing of patterns subassembly, the melting material pours into to the die cavity from injection molding department, mould plastics, form the cup and mould the piece, the completion back of moulding plastics, the die sinking, make mould plastics and break away from with side open type auxiliary forming drawing of patterns subassembly, remove side open type auxiliary forming drawing of patterns subassembly to keeping away from a type core portion one end of moulding again, form the two-way drawing of patterns of lateral part, make the cup mould the piece and can upwards carry out the drawing of patterns, improve the convenience of drawing of patterns, avoid taking place card shell and damaged condition at drawing of patterns in-process, mould a whole quality higher.

Description

Demoulding mechanism of plastic daily article mould

Technical Field

The utility model belongs to the technical field of the mould, a demoulding mechanism of plastics daily necessities mould is related to.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The cup is produced by an injection mold. The existing plastic cup mold is easy to clamp a shell and damage a plastic piece when demolding a cup-shaped plastic piece in the production process, and the overall quality of the plastic piece is relatively common.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses an integrally formed cup and a forming mold for forming a three-dimensional pattern on the cup [ application number: 202010356131.9] comprises an upper die set and a lower die set, wherein a die core column for forming the inner cavity of the cup is fixed in the middle of the top surface of the lower die set; the upper outer periphery of the mold core column is provided with two first molding sliders which are symmetrically arranged, a first mold cavity is formed between the two first molding sliders and the mold core column, the inner side surfaces of the two first molding sliders are mutually attached to form a second mold cavity, at least three second molding sliders are arranged on the bottom outer periphery of the mold core column in a circular array, a third mold cavity is formed between the circular inner side surface of each second molding slider and the bottom outer periphery of the mold core column, and the second molding sliders are placed on the top surface of the lower mold block; the third die cavity and the second die cavity are both communicated with the first die cavity; the second forming slide block is arranged on the top surface of the lower module in a sliding way, and the first forming slide block is arranged on the bottom surface of the upper module in a sliding way. However, in the scheme, the clamping shell and the plastic part are still easy to damage when the demoulding is carried out, and the defect that the overall quality of the plastic part is relatively common exists.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a demoulding mechanism of plastics daily necessities mould.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a demoulding mechanism of plastics daily necessities mould, includes mould and the lower mould of moulding plastics, the lower mould of moulding plastics on be equipped with a mould core fixed plate, mould a mould core fixed plate on be equipped with a mould type core, mould a mould core fixed plate and mould plastics and be equipped with the supplementary shaping drawing of patterns subassembly of the open side between the mould, the supplementary shaping drawing of patterns subassembly of the open side corresponding with the position of moulding a type core, mould plastics and be equipped with the injection molding above the mould, the injection molding corresponding with the position of moulding a type core.

In the demolding mechanism of the plastic daily necessity mold, the side-opening auxiliary molding demolding assembly comprises two auxiliary molding seats arranged between the plastic part core fixing plate and the injection upper mold, the plastic part core part is positioned between two adjacent auxiliary molding seats, and the two adjacent auxiliary molding seats can be close to or far away from each other.

In the demoulding mechanism of the plastic daily necessity mould, the plastic part core part comprises a plastic part forming core arranged on the plastic part core fixing plate, a cavity is formed between two adjacent auxiliary forming seats, and the plastic part forming core extends into the cavity.

In the demoulding mechanism of the plastic daily product mould, the bottom of the plastic part forming core penetrates through the injection lower mould, the plastic part core fixing plate is provided with a core positioning piece, and the core positioning piece is in butt fit with the plastic part forming core.

In the demoulding mechanism of the plastic daily product mould, the core positioning piece comprises a positioning ring plate arranged on a plastic part core fixing plate, the positioning ring plate is in butt fit with a plastic part forming core, the auxiliary forming seats are in sliding fit with the positioning ring plate, and the diameter of the plastic part forming core is smaller than that of a cavity formed between every two adjacent auxiliary forming seats.

In the demoulding mechanism of the plastic daily necessity mould, a side-sliding limiting part is further arranged between the plastic part core fixing plate and the injection upper mould, and the auxiliary forming seat is in sliding fit with the side-sliding limiting part.

In foretell plastics daily necessities mould demoulding mechanism, the locating part that sideslips including set up in moulding a core fixed plate and moulding plastics two spacing platforms that sideslip between the mould, supplementary shaping seat bottom be equipped with sliding base, sliding base and the spacing platform looks sliding fit that sideslips.

In the demoulding mechanism of the plastic daily product mould, the auxiliary forming seat is provided with the push-pull connecting part, and the injection molding lower mould and the plastic part core fixing plate are respectively arranged in a staggered way with the push-pull connecting part.

In the demoulding mechanism of the plastic daily product mould, the push-pull connecting part comprises a push-pull connecting inclined plate arranged on the auxiliary forming seat, the push-pull connecting inclined plate sequentially penetrates through the sliding base and the auxiliary forming seat, and a hollow groove is formed between the injection molding lower mould and the plastic part core fixing plate.

In the demoulding mechanism of the plastic daily necessity mould, the injection molding part comprises an injection molding main board arranged above the injection molding upper mould, an injection molding main hole is arranged in the injection molding main board, and the injection molding main hole corresponds to the position of a molding core of the plastic part.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses in the in-process of moulding plastics, it is close to each other to mould plastics the mould and mould plastics the lower mould, make the side open type auxiliary forming drawing of patterns subassembly outside and mould plastics and hug closely the cooperation mutually, mould a core portion and insert and form complete die cavity in the side open type auxiliary forming drawing of patterns subassembly, the melting material pours into to the die cavity from injection molding department, mould plastics, form the cup and mould the piece, the completion back of moulding plastics, the die sinking, make mould plastics and break away from with side open type auxiliary forming drawing of patterns subassembly, remove side open type auxiliary forming drawing of patterns subassembly to keeping away from a type core portion one end of moulding again, form the two-way drawing of patterns of lateral part, make the cup mould the piece and can upwards carry out the drawing of patterns, improve the convenience of drawing of patterns, avoid taking place card shell and damaged condition at drawing of patterns in-process, mould a whole quality higher.

2. The utility model discloses a set up the position circle board for play the effect of location to moulding a shaping core middle part, avoid moulding a shaping core and take place to rock at the in-process of moulding plastics, the precision of moulding plastics is higher, and the diameter of moulding a shaping core is less than the diameter of the die cavity that forms between two adjacent supplementary shaping seats, forms the cup and moulds a required die cavity.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a partial structure of the present invention.

Fig. 3 is a partial structural schematic diagram in another direction of the present invention.

Fig. 4 is a schematic view of a partial structure in another direction of the present invention.

In the figure: the injection molding device comprises an injection molding upper die 1, an injection molding lower die 2, a plastic part core fixing plate 3, a plastic part core part 4, a side-opening auxiliary molding demoulding component 5, an injection molding part 6, an auxiliary molding base 7, a plastic part molding core 8, a core positioning piece 9, a positioning ring plate 10, a side-sliding limiting piece 11, a side-sliding limiting table 12, a sliding base 13, a push-pull connecting part 14, a push-pull connecting inclined plate 15, an empty groove 16, an injection molding main board 17 and an injection molding main hole 18.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, a demoulding mechanism of a plastic daily necessity mold comprises an injection upper mold 1 and an injection lower mold 2, wherein a plastic core fixing plate 3 is arranged on the injection lower mold 2, a plastic core part 4 is arranged on the plastic core fixing plate 3, a side-open auxiliary molding demoulding assembly 5 is arranged between the plastic core fixing plate 3 and the injection upper mold 1, the side-open auxiliary molding demoulding assembly 5 corresponds to the plastic core part 4, an injection part 6 is arranged above the injection upper mold 1, and the injection part 6 corresponds to the plastic core part 4.

In this embodiment, in the injection molding process, the injection molding upper mold 1 and the injection molding lower mold 2 are close to each other, so that the outer side of the side-open auxiliary molding demolding component 5 is in close fit with the injection molding upper mold 1, the molding part core part 4 is inserted into the side-open auxiliary molding demolding component 5 to form a complete cavity, molten materials are injected into the cavity from the injection molding part 6 to perform injection molding, a cup-shaped plastic part is formed, after the injection molding is completed, the mold is opened, so that the injection molding upper mold 1 is separated from the side-open auxiliary molding demolding component 5, the side-open auxiliary molding demolding component 5 is moved to the end far away from the molding part core part 4 to form a side part bidirectional demolding, so that the cup-shaped plastic part can be demolded upwards, the demolding convenience is improved, the cases of shell jamming and damage in the demolding process are avoided, and the overall quality of the plastic part is high.

Referring to fig. 1-4, the side-opening auxiliary forming and demolding assembly 5 includes two auxiliary forming seats 7 disposed between the plastic part core fixing plate 3 and the injection upper mold 1, the plastic part core portion 4 is located between two adjacent auxiliary forming seats 7, and the two adjacent auxiliary forming seats 7 can be close to or far away from each other.

Specifically, in the injection molding process, the plastic part core part 4 is located between two adjacent auxiliary molding seats 7, the auxiliary molding seats 7 are matched with the plastic part core part 4 to form a molding cavity, after the injection molding is completed, the mold is opened, the injection upper mold 1 is separated from the auxiliary molding seats 7, the two auxiliary molding seats 7 are moved towards one end away from the plastic part core part 4 to form a lateral part bidirectional demolding, so that the cup-shaped plastic part can be demolded upwards, the demolding convenience is improved, the case that the shell is clamped and damaged in the demolding process is avoided, and the overall quality of the plastic part is high.

Referring to fig. 2 and 3, the plastic part core part 4 includes a plastic part forming core 8 disposed on the plastic part core fixing plate 3, a cavity is formed between two adjacent auxiliary forming seats 7, and the plastic part forming core 8 extends into the cavity.

In this embodiment, the molding core 8 is used to cooperate with the auxiliary molding base 7 to form a complete cavity, which facilitates injection molding of the cup-shaped plastic part.

Mould 8 bottoms of a shaping core run through mould plastics lower mould 2, mould and be equipped with core setting element 9 on the core fixed plate 3, core setting element 9 with mould 8 looks butt cooperations of a shaping core.

In this embodiment, mould 8 bottoms of a shaping core and run through the lower mould 2 that moulds plastics, mould plastics lower mould 2 and fix a shaping core 8's bottom, core setting element 9 is used for playing the effect of location to moulding 8 middle parts of a shaping core, avoids moulding a shaping core 8 and takes place to rock at the in-process of moulding plastics, and the precision of moulding plastics is higher.

Referring to fig. 3 and 4, the core positioning element 9 includes a positioning ring plate 10 disposed on the plastic core fixing plate 3, the positioning ring plate 10 is abutted against and matched with the plastic molding core 8, the auxiliary molding seats 7 are slidably matched with the positioning ring plate 10, and the diameter of the plastic molding core 8 is smaller than the diameter of a cavity formed between two adjacent auxiliary molding seats 7.

In this embodiment, the positioning ring plate 10 is used for positioning the middle of the plastic part forming core 8, so as to prevent the plastic part forming core 8 from shaking during the injection molding process, the injection molding precision is high, the diameter of the plastic part forming core 8 is smaller than that of a cavity formed between two adjacent auxiliary forming seats 7, and a cavity required by a cup-shaped plastic part is formed.

Mould a core fixing plate 3 and mould plastics and still be equipped with locating part 11 that sideslips between the mould 1, supplementary shaping seat 7 with sideslip locating part 11 looks sliding fit.

In this embodiment, carry out lateral part drawing of patterns in-process at auxiliary forming seat 7, play limiting displacement to auxiliary forming seat 7 through the locating part 11 that sideslips, improved the accuracy of 7 drawing of patterns compound dies of auxiliary forming seat.

Spacing 11 that sideslips including setting up in moulding a core fixing plate 3 and moulding plastics two spacing platforms 12 that sideslip between the mould 1, supplementary shaping seat 7 bottom be equipped with sliding base 13, sliding base 13 and the spacing platform 12 looks sliding fit that sideslips.

In this embodiment, in the process of lateral demoulding of the auxiliary forming seat 7, the sliding base 13 and the side-sliding limiting table 12 are in sliding fit, so that the auxiliary forming seat 7 is limited, and the demoulding and mould closing accuracy of the auxiliary forming seat 7 is improved.

As shown in fig. 2-4, the auxiliary forming base 7 is provided with a push-pull connection portion 14, and the injection molding lower mold 2 and the plastic core fixing plate 3 are respectively staggered with the push-pull connection portion 14.

In this embodiment, when the auxiliary forming base 7 needs to be moved, the push-pull connecting portion 14 is connected to the external driving structure, and the external driving structure pushes and pulls the auxiliary forming base 7 laterally, so that the degree of automation is high, manual pushing and pulling are not needed, the labor intensity is reduced, and the push-pull connecting portion 14 plays a role of connection driving.

As shown in fig. 2 and 4, the push-pull connection portion 14 includes a push-pull connection inclined plate 15 disposed on the auxiliary forming seat 7, the push-pull connection inclined plate 15 sequentially penetrates through the sliding base 13 and the auxiliary forming seat 7, and a hollow groove 16 is disposed between the injection molding lower die 2 and the plastic part core fixing plate 3.

In this embodiment, when the auxiliary forming seat 7 needs to be moved, the push-pull connection inclined plate 15 is connected with the external driving structure, the auxiliary forming seat 7 is pushed and pulled through the external driving structure, the automation degree is high, manual pushing and pulling are not needed, the labor intensity is reduced, the push-pull connection inclined plate 15 plays a role in connection driving, an empty groove 16 is formed between the injection molding lower die 2 and the plastic part core fixing plate 3, and in the process of moving the push-pull connection inclined plate 15, collision interference with the injection molding lower die 2 and the plastic part core fixing plate 3 is avoided.

Referring to fig. 1, the injection molded part 6 includes an injection molded main plate 17 disposed above the injection molded upper mold 1, an injection molded main hole 18 is disposed in the injection molded main plate 17, and the injection molded main hole 18 corresponds to the position of the molding core 8.

In this embodiment, during the injection molding process, the molten material is injected into the cavity from the injection main hole 18 in the injection main plate 17, and injection molding is performed.

The utility model discloses a theory of operation is:

in the injection molding process, the injection upper mold 1 and the injection lower mold 2 are close to each other, so that the outer side of the side-open auxiliary molding demolding component 5 is closely matched with the injection upper mold 1, the molding part core part 4 is positioned between two adjacent auxiliary molding seats 7, the auxiliary molding seats 7 are matched with the molding part molding core 8 to form a molding cavity, molten materials are injected into the molding cavity from an injection main hole 18 in an injection main plate 17 for injection molding to form a cup-shaped molding part, after the injection molding is completed, the mold is opened, the injection upper mold 1 is separated from the auxiliary molding seats 7, the two auxiliary molding seats 7 are moved to the end far away from the molding part molding core 8 to form a side part bidirectional demolding, so that the cup-shaped molding part can be demolded upwards, the demolding convenience is improved, the cases of shell clamping and damage in the demolding process are avoided, and the overall quality of the molding part is high,

the bottom of the plastic part forming core 8 penetrates through the lower injection molding die 2, the lower injection molding die 2 fixes the bottom of the plastic part forming core 8, the positioning ring plate 10 is used for positioning the middle of the plastic part forming core 8, the plastic part forming core 8 is prevented from shaking in the injection molding process, the injection molding precision is high, the diameter of the plastic part forming core 8 is smaller than that of a cavity formed between two adjacent auxiliary forming seats 7, and a cavity required by a cup-shaped plastic part is formed,

in the process of demoulding the side part of the auxiliary forming seat 7, the sliding base 13 is in sliding fit with the sideslip limiting table 12 to limit the auxiliary forming seat 7, so that the demoulding and mould closing accuracy of the auxiliary forming seat 7 is improved,

when needs remove supplementary shaping seat 7, connect swash plate 15 and external drive structure through with the push-and-pull, play the effect of lateral part push-and-pull to supplementary shaping seat 7 through external drive structure, degree of automation is higher, need not the manual work and carry out the push-and-pull, the manual labor intensity has been reduced, push-and-pull connection swash plate 15 plays the effect of connecting the drive, it is equipped with dead slot 16 to mould plastics lower mould 2 and mould between a core fixed plate 3, connect swash plate 15 at the push-and-pull and remove the in-process, can not take place to collide with lower mould 2 and mould a core fixed plate 3 with moulding plastics and interfere.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although the terms of the injection upper mold 1, the injection lower mold 2, the plastic core fixing plate 3, the plastic core part 4, the side-opening auxiliary molding and demolding assembly 5, the injection molding part 6, the auxiliary molding base 7, the plastic molding core 8, the core positioning piece 9, the positioning ring plate 10, the side-sliding limiting piece 11, the side-sliding limiting table 12, the sliding base 13, the push-pull connecting part 14, the push-pull connecting inclined plate 15, the empty groove 16, the injection main plate 17, the injection main hole 18, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a demoulding mechanism of plastics daily necessities mould, is including mould (1) and the lower mould (2) of moulding plastics, its characterized in that, mould plastics lower mould (2) on be equipped with mould a core fixed plate (3), mould a core fixed plate (3) on be equipped with mould a type core (4), mould a core fixed plate (3) and mould plastics and be equipped with side open auxiliary forming drawing of patterns subassembly (5) between mould (1), side open auxiliary forming drawing of patterns subassembly (5) corresponding with the position of moulding a type core (4), mould plastics (1) top be equipped with injection molding (6), injection molding (6) corresponding with the position of moulding a type core (4).

2. The demolding mechanism of the plastic daily necessity mold as claimed in claim 1, wherein the side-open auxiliary molding demolding assembly (5) comprises two auxiliary molding bases (7) arranged between the plastic core fixing plate (3) and the injection upper mold (1), the plastic core part (4) is located between two adjacent auxiliary molding bases (7), and the two adjacent auxiliary molding bases (7) can be close to or far away from each other.

3. The demolding mechanism for the plastic daily necessity mold according to claim 2, wherein the plastic mold core part (4) comprises a plastic mold core (8) arranged on the plastic mold core fixing plate (3), a cavity is formed between two adjacent auxiliary mold bases (7), and the plastic mold core (8) extends to open into the cavity.

4. The demolding mechanism of the plastic daily necessity mold as claimed in claim 3, wherein the bottom of the plastic molding core (8) penetrates through the injection lower mold (2), a core positioning piece (9) is arranged on the plastic molding core fixing plate (3), and the core positioning piece (9) is in abutting fit with the plastic molding core (8).

5. The demolding mechanism of the plastic daily necessity mold according to claim 4, wherein the core positioning member (9) comprises a positioning ring plate (10) arranged on the plastic core fixing plate (3), the positioning ring plate (10) is in abutting fit with the plastic molding core (8), the auxiliary molding base (7) is in sliding fit with the positioning ring plate (10), and the diameter of the plastic molding core (8) is smaller than that of a cavity formed between two adjacent auxiliary molding bases (7).

6. The demolding mechanism of the plastic daily necessity mold according to claim 5, wherein a side-sliding limiting piece (11) is further arranged between the plastic part core fixing plate (3) and the injection upper mold (1), and the auxiliary forming base (7) is in sliding fit with the side-sliding limiting piece (11).

7. The demolding mechanism of the plastic daily necessity mold according to claim 6, wherein the lateral sliding limiting member (11) comprises two lateral sliding limiting tables (12) disposed between the plastic core fixing plate (3) and the injection upper mold (1), the bottom of the auxiliary forming seat (7) is provided with a sliding base (13), and the sliding base (13) is in sliding fit with the lateral sliding limiting tables (12).

8. The demolding mechanism of the plastic daily necessity mold according to claim 7, wherein the auxiliary molding base (7) is provided with a push-pull connecting part (14), and the injection lower mold (2) and the plastic part core fixing plate (3) are respectively arranged in a staggered manner with the push-pull connecting part (14).

9. The demolding mechanism for the plastic daily necessity mold according to claim 8, wherein the push-pull connecting portion (14) comprises a push-pull connecting inclined plate (15) arranged on the auxiliary forming seat (7), the push-pull connecting inclined plate (15) sequentially penetrates through the sliding base (13) and the auxiliary forming seat (7), and a hollow groove (16) is formed between the injection lower mold (2) and the plastic core fixing plate (3).

10. The demolding mechanism of the plastic daily necessity mold according to claim 9, wherein the injection molded part (6) comprises an injection main plate (17) arranged above the injection upper mold (1), the injection main plate (17) is provided with an injection main hole (18), and the injection main hole (18) corresponds to the position of the plastic part molding core (8).