CN217098738U

CN217098738U - Mould convenient to quick drawing of patterns

Info

Publication number: CN217098738U
Application number: CN202121567414.4U
Authority: CN
Inventors: 何湾; 陈小豪
Original assignee: Xiamen Junzhongsheng New Material Co ltd
Current assignee: Xiamen Junzhongsheng New Material Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-08-02
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a mould convenient to fast demoulding, include: the first template comprises a first mold core, and a front mold inclined elastic block is movably arranged on the first mold core; the second template comprises a second mold core, the second mold core is provided with an insert, and the second template is matched with the first template; the ejector pin plate structure is arranged at one end of the second template, when the ejector pin plate structure is pushed, the insert is pushed out, when the ejector pin plate structure is withdrawn, the insert is driven to be withdrawn, so that finished products on the second mold core are ejected, the front inclined elastic block can eject three or more finished products at one time, the insert is ejected and withdrawn firstly by the ejector pin plate structure in a demolding mode, the demolding quality is improved, more injection molding cavities can be arranged in a limited space, and more finished products can be produced in single processing.

Description

Mould convenient to quick drawing of patterns

Technical Field

The utility model relates to a mould, especially a mould convenient to fast demoulding.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

In the injection moulding process of three folding spoons, because the spoon body has certain degree of depth, and has multistage folding structure, so appear the drawing of patterns thoroughly easily when the drawing of patterns, the phenomenon of drawing of patterns difficulty, if only reduce mould benevolence drawing of patterns degree of difficulty through the space in the increase mould benevolence, then can lead to the reduction of the finished product manufacturing quantity in the single course of working, influence production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mould convenient to fast demoulding can effectively solve above-mentioned problem.

The utility model discloses a realize like this:

a mold for facilitating rapid demolding, comprising:

the first template comprises a first mold core, and a front mold inclined elastic block is movably arranged on the first mold core;

the second template comprises a second mold core, the second mold core is provided with an insert, and the second template is matched with the first template;

and the ejector pin plate structure is arranged at one end of the second template, when the ejector pin plate structure pushes, the insert is pushed out, and when the ejector pin plate structure retracts, the insert is driven to retract, so that a finished product on the second mold core is ejected.

As a further improvement, the ejector plate structure comprises:

the first ejector plate is provided with an ejector pin inserted in the insert, and when the first ejector plate is withdrawn, the insert is withdrawn, so that a finished product on the second die core is ejected;

the second ejector plate is arranged on the first ejector plate, and after the first ejector plate is retracted, the second ejector plate is retracted under the pressure of the front mold inclined elastic block and the insert;

and the third ejector plate is arranged on the second ejector plate.

As a further improvement, a chute for the front mold oblique spring block to slide is arranged in the first mold core, the front mold oblique spring block is matched with the chute, the front mold oblique spring block comprises a mold core block sliding on the chute, a spring column obliquely inserted on the mold core block, and a pressing plate fixed on the spring column.

As a further improvement, the sliding distance of the front mould inclined elastic block is 5-15 mm.

As a further improvement, the second mold core is provided with a plurality of injection molding cavities, the injection molding cavities are provided with square holes, and the square holes are matched with the inserts.

As a further improvement, the insert is provided with a plurality of matching holes, the thimble is inserted into the matching holes, and the bottom of the thimble is fixed on the first thimble plate.

As a further improvement, the first template is provided with a liquid inlet hole, the second template is provided with a runner corresponding to the liquid inlet hole, and the runner corresponds to the four injection molding cavities.

As further improvement, still including setting up hot runner plate on the first template, be fixed with the panel on the hot runner plate, be provided with thermal-insulated cotton on the panel, the bottom of second template is the support frame in addition, two the inboard distribution of support frame has first thimble board, second thimble board, third thimble board, the bottom of support frame is fixed with the mounting panel.

As a further improvement, a plurality of return pins are arranged on the mounting plate, one ends of the return pins are arranged on the mounting plate, the other ends of the return pins are connected with the first template, springs are arranged on the return pins, one ends of the springs are pressed on the first ejector plate, and the other ends of the springs are pressed in the second template.

As a further improvement, the outer surfaces of the hot runner plate and the second template are provided with locking modules.

The utility model has the advantages that:

the utility model discloses a preceding mould oblique bullet piece that sets up, before the needs drawing of patterns, make the oblique bullet piece of preceding mould pop out from first mould benevolence earlier, let the spoon body part of seventy percent discount spoon break away from the second mould benevolence department of second template a little, the two projection position is not on same straight line promptly, reduce the spoon body part of seventy percent discount spoon and the friction that second mould benevolence probably exists when breaking away from, then through the mode of withdrawing thimble plate structure, make the mold insert withdraw, make the spoon handle part on the mold insert lose the support and popped out, and then the spoon handle part drives spoon body part and pops out, wherein, the oblique bullet piece of preceding mould can pop out the finished product three or more once only, and different mold inserts all withdraw through same thimble plate structure, can set up more injection molding cavities in limited space, can produce more finished products in the single processing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of the mold for facilitating rapid demolding of the present invention.

Fig. 2 is a schematic structural diagram of a first template of the present invention.

Fig. 3 is a schematic structural diagram of a second template of the present invention.

Fig. 4 is a schematic structural view of the front mold oblique spring block of the present invention installed on the first mold plate.

Fig. 5 is a schematic view of the connection between the first thimble plate and the thimble according to the present invention.

Fig. 6 is a schematic diagram of the operation of a second ejector plate according to the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-6, a mold for facilitating rapid demolding, comprising: the first template 1 comprises a first mold core 11, and a front mold inclined spring block 12 is movably arranged on the first mold core 11; the second template 2 comprises a second mold core 21, the second mold core 21 is provided with an insert 22, and the second template 2 is matched with the first template 1; the thimble plate structure 3 is arranged at one end of the second template 2, when the thimble plate structure 3 is pushed, the insert 22 is pushed out, when the thimble plate structure 3 is withdrawn, the insert 22 is driven to be withdrawn, so that a finished product on the second mold core 21 is ejected, and the first template 1 and the second template 2 are respectively provided with a positioning column and a positioning hole, so that the first template and the second template are conveniently connected and fixed.

Specifically, the ejector plate structure 3 includes: the first ejector plate 31 is provided with an ejector pin 311 inserted in the insert 22, and when the first ejector plate 31 is retracted, the insert 22 is retracted, so that a finished product on the second mold core 21 is ejected; a second thimble plate 32 disposed on the first thimble plate 31, after the first thimble plate 31 is withdrawn, the second thimble plate 32 is withdrawn under the pressure of the inclined spring block 12 and the insert 22, a third thimble plate 33 is disposed on the second thimble plate 32, during the injection molding, the first thimble plate 31, the second thimble plate 32 and the third thimble plate 33 all extrude the second template 2, after the injection molding is finished and the cooling is finished, the first thimble plate 31, the second thimble plate 32 and the third thimble plate 33 are pushed forward first to drive the insert 22 and the finished product on the insert 22 to be pushed forward, then the first thimble plate 31 is withdrawn, and because the first thimble plate 31 is connected with the thimble 311 and the thimble 311 is inserted in the insert 22, the withdrawal of the first thimble plate 31 drives the insert 22 to be withdrawn, and because of the limitation of the mold, the withdrawal cannot be carried out, the handle part on the insert 22 is pushed out, and if the front mold inclined elastic block 12 is already ejected, the whole finished product can be directly ejected and dropped to complete demolding, and the finished product can be demolded without damage by a mode of ejecting and withdrawing, wherein the first ejector plate 31, the second ejector plate 32 and the third ejector plate 33 can be driven by different driving structures, namely hydraulic pressure, electric power, an air cylinder and the like.

In order to make the finished product easier to separate from the front mold, a chute 14 for the front mold inclined elastic block 12 to slide is disposed in the first mold core 11, the front mold inclined elastic block 12 is adapted to the chute 14, the front mold inclined elastic block 12 includes a mold core block 123 sliding on the chute 14, a spring column 122 obliquely inserted on the mold core block 123, and a pressing plate 121 fixed on the spring column 122, and the pressing plate 121 is pressed to make the pressing plate 121 push the spring column 122 to push the mold core block 123 to slide toward the second mold plate 2, so as to perform preliminary mold release on the finished product.

Further, the sliding distance of the front mold inclined spring block 12 is 5-15mm, preferably, the sliding distance of the front mold inclined spring block 12 is 10mm, so that the spoon body part of the spoon can be just pushed out of the second mold core 21, the spoon body part cannot be blocked when being ejected, meanwhile, the spoon body part cannot be pushed too much, and the phenomenon that the spoon handle part is dragged to cause demoulding failure is avoided.

Further, a plurality of injection molding cavities 24 are formed in the second mold core 21, square holes 241 are formed in the injection molding cavities 24, the square holes 241 are matched with the inserts 22, a plurality of matching holes 221 are formed in the inserts 22, the ejector pins 311 are inserted into the matching holes 221, and the bottoms of the ejector pins 311 are fixed on the first ejector pin plate 31.

Furthermore, a liquid inlet hole 13 is formed in the first template 1, a flow channel 23 corresponding to the liquid inlet hole 13 is formed in the second template 2, and the flow channel 23 corresponds to the four injection molding cavities 24.

Further, still including setting up hot runner plate 6 on the first template 1, be fixed with panel 5 on the hot runner plate 6, be provided with thermal-insulated cotton 4 on the panel 5, the bottom of second template 2 is support frame 7 in addition, two the inboard distribution of support frame 7 has first thimble board 31, second thimble board 32, third thimble board 33, the bottom of support frame 7 is fixed with mounting panel 8.

Further, be provided with a plurality of paper clip 81 on the mounting panel 8, the one end setting of paper clip 81 is in on the mounting panel 8, the other end with first template 1 meets, just be provided with the spring on the paper clip 81, the one end of spring supports and presses on first thimble board 31, the other end of spring supports and presses in second template 2, be provided with release link bullet piece 82 and guard bar 83 on the mounting panel 8, the popping out stroke of release link bullet piece 82 is 5mm, and release link bullet piece 82 can contact earlier before the compound die in the release link not shown in the figure, makes the die joint of first template 1 and the die joint of second template 2 can not contact earlier, the die cavity of mould is pressed thimble 311 and mold insert 22 when the compound die can be avoided to guard bar 83.

Furthermore, the hot runner plate 6 and the outer surface of the second template 2 are provided with locking modules 9 which can be locked and fixed, so that the transportation and the carrying are convenient.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mold facilitating rapid demolding, comprising:

the first template (1) comprises a first mold core (11), and a front mold inclined spring block (12) is movably arranged on the first mold core (11);

the second template (2) comprises a second mold core (21), an insert (22) is arranged on the second mold core (21), and the second template (2) is matched with the first template (1);

the ejector pin plate structure (3) is arranged at one end of the second template (2), when the ejector pin plate structure (3) is pushed, the insert (22) is pushed out, and when the ejector pin plate structure (3) is withdrawn, the insert (22) is driven to be withdrawn, so that a finished product on the second mold core (21) is ejected.

2. Mould facilitating rapid demoulding according to claim 1, wherein the ejector pin plate structure (3) comprises:

the first ejector plate (31) is provided with an ejector pin (311) inserted in the insert (22), and when the first ejector plate (31) is withdrawn, the insert (22) is withdrawn, so that a finished product on the second die core (21) is ejected;

the second ejector plate (32) is arranged on the first ejector plate (31), and after the first ejector plate (31) is withdrawn, the second ejector plate (32) is withdrawn under the pressure of the front mold inclined elastic block (12) and the insert (22);

and a third ejector plate (33) provided on the second ejector plate (32).

3. The mold for facilitating rapid demolding according to claim 1, wherein a chute (14) for sliding the front mold slant spring block (12) is disposed in the first mold core (11), the front mold slant spring block (12) is adapted to the chute (14), the front mold slant spring block (12) comprises a mold core block (123) sliding on the chute (14), a spring column (122) obliquely inserted on the mold core block (123), and a pressing plate (121) fixed on the spring column (122).

4. A mold facilitating rapid demolding according to claim 3, wherein the sliding distance of the front mold slant spring block (12) is 5-15 mm.

5. The mold for facilitating rapid demolding according to claim 2, wherein a plurality of injection molding cavities (24) are formed in the second mold core (21), square holes (241) are formed in the injection molding cavities (24), and the square holes (241) are matched with the insert (22).

6. The mold convenient for rapid demolding as claimed in claim 5, wherein a plurality of matching holes (221) are formed in the insert (22), the thimble (311) is inserted into the matching holes (221), and the bottom of the thimble (311) is fixed on the first thimble plate (31).

7. The mould for facilitating rapid demoulding according to claim 5, wherein the first mould plate (1) is provided with a liquid inlet (13), the second mould plate (2) is provided with a flow channel (23) corresponding to the liquid inlet (13), and the flow channel (23) corresponds to the four injection moulding cavities (24).

8. The mold convenient for rapid demolding according to claim 1, further comprising a hot runner plate (6) arranged on the first mold plate (1), wherein a panel (5) is fixed on the hot runner plate (6), heat insulation cotton (4) is arranged on the panel (5), support frames (7) are further arranged at the bottom of the second mold plate (2), a first ejector plate (31), a second ejector plate (32) and a third ejector plate (33) are distributed on the inner sides of the two support frames (7), and a mounting plate (8) is fixed at the bottom of each support frame (7).

9. The mold convenient for rapid demolding as claimed in claim 8, wherein a plurality of return pins (81) are arranged on the mounting plate (8), one end of each return pin (81) is arranged on the mounting plate (8), the other end of each return pin is connected with the first mold plate (1), a spring is arranged on each return pin (81), one end of each spring is pressed against the first ejector plate (31), and the other end of each spring is pressed against the second mold plate (2).

10. Mould for facilitating rapid demoulding according to claim 8, wherein the hot runner plate (6) and the second template (2) are provided with locking modules (9) on their outer surfaces.