CN219338442U - Injection molding die of toy - Google Patents

Injection molding die of toy Download PDF

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Publication number
CN219338442U
CN219338442U CN202320402056.4U CN202320402056U CN219338442U CN 219338442 U CN219338442 U CN 219338442U CN 202320402056 U CN202320402056 U CN 202320402056U CN 219338442 U CN219338442 U CN 219338442U
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China
Prior art keywords
toy
ejection
die holder
ejector
cavity
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CN202320402056.4U
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Chinese (zh)
Inventor
孙兆国
刘伟海
柏明哲
李刚
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Sanhe Shuangtian Molding Co ltd
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Sanhe Shuangtian Molding Co ltd
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Priority to CN202320402056.4U priority Critical patent/CN219338442U/en
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Abstract

The application provides an injection molding die, in particular to an injection molding die for a toy, which comprises a movable die holder and a fixed die holder, wherein a toy cavity is formed in a rectangular block in the fixed die holder, an automatic ejection device for automatically ejecting and molding the toy is arranged in the fixed die holder, the automatic ejection device comprises an ejection plate, a plurality of thrust springs for automatically ejecting the ejection plate are arranged below the ejection plate, the ejection plate is arranged in the toy cavity in a vertical moving manner, and the upper surface of the ejection plate and the lower surface of the molded toy are mutually attached; according to the automatic ejection device, when the movable die holder is opened from the fixed die holder, the formed toy is automatically ejected, and the ejection plate for ejecting the formed toy in the automatic ejection device is attached to the lower surface of the formed toy, so that the contact area between the ejection plate and the formed toy is large, and deformation or damage of the formed toy caused by ejection of the formed toy is avoided.

Description

Injection molding die of toy
Technical Field
The present disclosure relates to the field of injection molding technology, and in particular, to an injection molding mold for a toy.
Background
The mould is used for producing various moulds and tools of the needed products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industry. The die is a tool for making the blank into a workpiece with a specific shape and size under the action of external force. The method is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the molding processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by using the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated and combined. And taking out the workpiece when the workpiece is separated, and injecting the blank into the die cavity for forming when the workpiece is closed. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and machining precision, and is one of important marks of the mechanical manufacturing level.
The existing toy injection molding mold is not easy to automatically fall off after being molded in a specific use process, and a secondary ejection structure is often arranged in the mold, but the production efficiency of the mold is greatly reduced, so that improvement is needed. The utility model with the publication number of CN214687757U relates to the technical field of injection molds, in particular to a toy injection molding mold, which comprises a base, a fixed mold holder, a movable mold holder, a top plate and a mold cavity, wherein the top of the base is fixedly connected with the fixed mold holder, one end of the fixed mold holder, which is far away from the base, is provided with the movable mold holder, one end of the movable mold holder is fixedly connected with the top plate, an injection molding channel is arranged in the movable mold holder, and one end of the injection molding channel is communicated with the mold cavity.
The advantages of the above utility model are: according to the injection molding die for the toy, the ejector mechanism is arranged, when the movable die holder leaves the fixed die holder, the telescopic spring can extrude the positioning disc and the ejector pin to eject the plastic toy, the ejector action is automatic, a secondary ejector mechanism is not needed, ejection and demolding of the plastic toy are simultaneously carried out, the manufacturing time of the plastic toy is shortened, the working efficiency of the device is improved, the practicability of the device is greatly improved, but the ejector mechanism arranged on the fixed die holder is mainly formed by ejecting the ejector pin, the contact area between the ejector pin and the formed toy is small, if the formed toy is not completely solidified or is brittle, the ejector pin is extremely likely to deform or damage, and the existing die still can not automatically fall off along with the die opening after the injection molding. In view of this, we propose an injection molding die for toys.
Disclosure of Invention
In view of the above-described drawbacks or shortcomings of the prior art, it is desirable to provide an injection molding die for a toy.
In a first aspect, the present application provides an injection molding die for a toy, comprising:
the movable die holder is provided with a fixed die holder in a matched and movable manner below the movable die holder, the fixed die holder comprises a rectangular block, a toy cavity is formed in the rectangular block, and an automatic ejection device for automatically ejecting a formed toy is arranged in the fixed die holder;
the automatic ejection device comprises an ejection plate, a plurality of thrust springs used for automatically ejecting the ejection plate are arranged below the ejection plate, the ejection plate is installed in the toy cavity in a vertical moving mode, and the upper surface of the ejection plate and the lower surface of the formed toy are mutually attached.
According to the technical scheme that this application embodiment provided, all be equipped with the locating hole on the four corners of rectangle piece, all be equipped with ejection hole on the four corners of toy die cavity bottom surface.
According to the technical scheme provided by the embodiment of the application, the spring groove which is communicated with each other is arranged below the ejection hole, and a sliding cavity which is communicated with each other is arranged between the ejection hole and the positioning hole.
According to the technical scheme provided by the embodiment of the application, the thrust spring is installed in the spring groove, and an ejector rod is connected between the thrust spring and the ejector plate.
According to the technical scheme provided by the embodiment of the application, the ejector rod is arranged in the ejector hole, a connecting rod is arranged on one side of the ejector rod, and the connecting rod is arranged in the sliding cavity.
According to the technical scheme that this application embodiment provided, the end-to-end connection of connecting rod has the locating lever, the locating lever is located in the locating hole.
To sum up, this technical scheme specifically discloses through automatic ejecting device, has realized that the movable mould base is from the mould of fixing on the mould base when the shaping toy automatic drawing of patterns, and the ejector plate of ejecting shaping toy and shaping toy lower surface laminating each other in the automatic ejecting device for ejector plate and shaping toy area of contact are big, have avoided when ejecting shaping toy, cause the deformation or the damage of shaping toy.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a partial cut-away structure of a fixed mold base of the present utility model.
Fig. 3 is a schematic view of a rectangular block of the present utility model in partial cut-away.
Fig. 4 is a schematic structural view of an automatic ejection device according to the present utility model.
Reference numerals in the drawings: 1. a movable die holder; 2. a fixed die holder; 21. rectangular blocks; 22. a toy cavity; 23. an ejection hole; 24. positioning holes; 25. a sliding cavity; 26. a spring groove; 3. an automatic ejection device; 31. an ejector plate; 32. an ejector rod; 33. a connecting rod; 34. a positioning rod; 35. and a thrust spring.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Referring to fig. 1 to 4, an injection molding mold for a toy includes a movable mold base 1 and a fixed mold base 2, a rectangular block 21 in the fixed mold base 2 is provided with a toy cavity 22, the inner wall of the toy cavity 22 is attached to the peripheral surface of the molded toy, and the lower surface of the movable mold base 1 is attached to the upper surface of the molded toy.
In this embodiment, the fixed mold base 2 is formed by a rectangular block 21, positioning holes 24 are all arranged at four corners of the rectangular block 21, ejection holes 23 are all arranged at four corners of the bottom surface of the toy cavity 22, spring grooves 26 which are mutually communicated are arranged below the ejection holes 23, and sliding cavities 25 which are mutually communicated are arranged between the ejection holes 23 and the positioning holes 24.
In this embodiment, an automatic ejection device 3 for automatically ejecting a molded toy is installed in a fixed mold seat 2, the automatic ejection device 3 includes an ejector plate 31, four thrust springs 35 for automatically ejecting the ejector plate 31 are provided below the ejector plate 31, the ejector plate 31 is vertically installed in a toy cavity 22 in a up-and-down moving manner, and the upper surface of the ejector plate 31 and the lower surface of the molded toy are attached to each other.
In this embodiment, the thrust spring 35 is fixedly installed in the spring groove 26, the ejector rod 32 is fixedly connected between the thrust spring 35 and the ejector plate 31, the ejector rod 32 vertically slides up and down in the ejector hole 23, one side of the ejector rod 32 is fixedly installed with the connecting rod 33, the connecting rod 33 vertically slides in the sliding cavity 25, the tail end of the connecting rod 33 is fixedly connected with the positioning rod 34, the positioning rod 34 vertically slides up and down in the positioning hole 24, and when the top surface of the ejector rod 32 and the upper surface of the rectangular block 21 keep the same horizontal plane, the top surface of the ejector plate 31 and the periphery of the inner wall of the toy cavity 22 are completely the same as the lower surface of the molded toy.
In this embodiment, when the movable mold base 1 is closed from the fixed mold base 2, the movable mold base 1 moves downward against the fixed mold base 2, the lower side of the movable mold base 1 contacts the four positioning rods 34 first, as the movable mold base 1 continues to approach the fixed mold base 2, the movable mold base 1 presses the four positioning rods 34 to move downward, the four positioning rods 34 moving downward drive the four connecting rods 33, the ejector plate 31 and the four ejector rods 32 to move downward, the ejector rods 32 compress the thrust springs 35, and when four sides of the lower surface of the movable mold base 1 are completely engaged with four sides of the upper surface of the rectangular block 21 in the fixed mold base 2, the movable mold base 1 presses the ejector rods 32, so that the top surface of the ejector rods 32 and the upper surface of the rectangular block 21 keep the same horizontal plane, and when the top surface of the ejector rods 32 and the upper surface of the rectangular block 21 keep the same horizontal plane, the top surface of the ejector plates 31 and the periphery of the inner wall of the toy cavity 22 form the same as the lower surface of the molded toy;
in this embodiment, when the movable mold base 1 is opened from the fixed mold base 2, the four compressed thrust springs 35 respectively push the ejector rods 32 to move vertically upwards along the ejector holes 23, the ejector rods 32 moving vertically upwards drive the ejector plates 31, the four connecting rods 33 and the four positioning rods 34 to move vertically upwards, the ejector plates 31 moving upwards drive the forming toys above to move upwards, the upper surfaces of the ejector plates 31 and the lower surfaces of the forming toys are mutually attached, and the contact area of the forming toys is large, so that deformation or damage of the forming toys is avoided when the forming toys are ejected.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (6)

1. An injection molding die for a toy, comprising:
the movable die holder (1) is provided with a fixed die holder (2) in a matching and movable mode below the movable die holder, the fixed die holder (2) comprises a rectangular block (21), a toy cavity (22) is formed in the rectangular block (21), and an automatic ejection device (3) for automatically ejecting a formed toy is arranged in the fixed die holder (2);
the automatic ejection device (3) comprises an ejection plate (31), a plurality of thrust springs (35) used for automatically ejecting the ejection plate (31) are arranged below the ejection plate (31), the ejection plate (31) is installed in the toy cavity (22) in an up-and-down moving mode, and the upper surface of the ejection plate (31) and the lower surface of the formed toy are mutually attached.
2. An injection molding mold for a toy according to claim 1, wherein positioning holes (24) are formed at four corners of the rectangular block (21), and ejection holes (23) are formed at four corners of the bottom surface of the toy cavity (22).
3. An injection mould for toys according to claim 2, characterized in that a mutually communicating spring groove (26) is provided below the ejection hole (23), and a mutually communicating sliding cavity (25) is provided between the ejection hole (23) and the positioning hole (24).
4. An injection mould for a toy according to claim 3, characterized in that the thrust spring (35) is mounted in the spring groove (26), and that an ejector rod (32) is connected between the thrust spring (35) and the ejector plate (31).
5. An injection mould for a toy according to claim 4, wherein the ejector rod (32) is arranged in the ejector hole (23), a connecting rod (33) is arranged at one side of the ejector rod (32), and the connecting rod (33) is arranged in the sliding cavity (25).
6. An injection mould for toys according to claim 5, characterised in that the end of the connecting rod (33) is connected with a locating rod (34), the locating rod (34) being provided in the locating hole (24).
CN202320402056.4U 2023-03-07 2023-03-07 Injection molding die of toy Active CN219338442U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320402056.4U CN219338442U (en) 2023-03-07 2023-03-07 Injection molding die of toy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320402056.4U CN219338442U (en) 2023-03-07 2023-03-07 Injection molding die of toy

Publications (1)

Publication Number Publication Date
CN219338442U true CN219338442U (en) 2023-07-14

Family

ID=87103048

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320402056.4U Active CN219338442U (en) 2023-03-07 2023-03-07 Injection molding die of toy

Country Status (1)

Country Link
CN (1) CN219338442U (en)

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