CN210453599U - Plastic injection mold convenient for demolding - Google Patents

Plastic injection mold convenient for demolding Download PDF

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Publication number
CN210453599U
CN210453599U CN201920919428.4U CN201920919428U CN210453599U CN 210453599 U CN210453599 U CN 210453599U CN 201920919428 U CN201920919428 U CN 201920919428U CN 210453599 U CN210453599 U CN 210453599U
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China
Prior art keywords
ejector rod
injection mold
die
bottom plate
mounting frame
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Application number
CN201920919428.4U
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Chinese (zh)
Inventor
张梦雅
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Yancheng Jinde Mould Manufacturing Co Ltd
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Yancheng Jinde Mould Manufacturing Co Ltd
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Priority to CN201920919428.4U priority Critical patent/CN210453599U/en
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Abstract

The utility model discloses a make things convenient for plastics injection mold of drawing of patterns, including lower plate and upper plate, the middle part of lower plate and upper plate all is equipped with the round hole, the first mounting bracket of fixedly connected with U-shaped on the lower plate, install the lower mould on the first mounting bracket, the second mounting bracket of downside fixedly connected with U-shaped of upper plate, the mould is installed to the downside of second mounting bracket, it just is formed with the die cavity with lower mould phase-match block to go up the mould, first mounting bracket sliding connection has the first ejector pin that runs through, first ejector pin runs through the lower mould, the trailing end welding of first ejector pin has first roof, be connected with first spring between the inboard of first roof and first mounting bracket, first spring cup joints on first ejector pin, the up end of first ejector pin and the downside parallel and level of die cavity. The utility model discloses during the drawing of patterns, the ejector pin that stretches out can be ejecting with the part that blocks to the drawing of patterns is convenient.

Description

Plastic injection mold convenient for demolding
Technical Field
The utility model relates to an injection mold technical field specifically is a make things convenient for plastics injection mold of drawing of patterns.
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. At present, when the injection mold is used, the phenomenon that the stripping is not thorough enough and needs to be manually taken out often occurs, so that the production efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a make things convenient for plastics injection mold of drawing of patterns to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a make things convenient for plastics injection mold of drawing of patterns, includes lower plate and upper plate, the middle part of lower plate and upper plate all is equipped with the round hole, the first mounting bracket of fixedly connected with U-shaped on the lower plate, install the lower mould on the first mounting bracket, the second mounting bracket of the downside fixedly connected with U-shaped of upper plate, the mould is installed to the downside of second mounting bracket, go up mould and lower mould phase-match block and be formed with the die cavity, first mounting bracket sliding connection has the first ejector pin that runs through, first ejector pin runs through the lower mould, the tail-end welding of first ejector pin has first roof, be connected with first spring between the inboard of first roof and first mounting bracket, first spring cup joints on first ejector pin, the up end of first ejector pin and the downside parallel and level of die cavity.
Preferably, the upper die is provided with a material injection nozzle, and the inner end of the material injection nozzle is communicated with the die cavity.
Preferably, the guide rod is welded on the upper side of the lower bottom plate, the sleeve is welded on the lower side of the upper bottom plate, and the guide rod is connected with the sleeve in an inserting mode.
Preferably, a penetrating pin is fixedly connected to the guide rod, a waist hole is formed in the sleeve, and the pin penetrates through the waist hole and is in sliding connection with the waist hole.
Preferably, the second mounting frame is slidably connected with a second ejector rod which penetrates through the second mounting frame, the second ejector rod penetrates through the upper die, and the tail end of the second ejector rod is fixedly connected with a second top plate.
Preferably, a second spring is connected between the second top plate and the second mounting frame, and the second spring is sleeved on the second ejector rod.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses bottom plate, upper plate move back to back mutually when the drawing of patterns, are fixed with two push rods on the injection molding machine, and to the in-process that moves back, the round hole is progressively inserted to the push rod, and the front end of two push rods supports respectively on first roof, second roof, and the relative die body of ejector pin stretches out, if part card after solidifying is on last mould or lower mould, and the ejector pin that stretches out can be ejecting with it to the drawing of patterns is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a lower die; 2. an upper die; 3. a lower base plate; 4. an upper base plate; 5. a circular hole; 6. a first mounting bracket; 7. a second mounting bracket; 8. a guide bar; 9. a sleeve; 10. a second top plate; 11. a second spring; 12. a second ejector rod; 13. a first top plate; 14. a first spring; 15. a first ejector rod; 16. a mold cavity; 17. a material injection nozzle; 18. a waist hole; 19. a pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
Referring to fig. 1-3, the present invention provides a technical solution: a plastic injection mold convenient for demolding comprises a lower bottom plate 3 and an upper bottom plate 4, wherein the middle parts of the lower bottom plate 3 and the upper bottom plate 4 are respectively provided with a round hole 5, a U-shaped first mounting rack 6 is fixedly connected to the lower bottom plate 3, a lower die 1 is mounted on the first mounting rack 6, the lower side of the upper bottom plate 4 is fixedly connected with a U-shaped second mounting rack 7, the lower side of the second mounting rack 7 is provided with an upper die 2, the upper die 2 is matched and clamped with the lower die 1, a die cavity 16 is formed, the first mounting frame 6 is connected with a first ejector rod 15 in a sliding mode, the first ejector rod 15 penetrates through the lower die 1, a first top plate 13 is welded at the tail end of the first ejector rod 15, a first spring 14 is connected between the first top plate 13 and the inner side of the first mounting frame 6, the first spring 14 is sleeved on a first ejector rod 15, and the upper end surface of the first ejector rod 15 is flush with the lower side of the die cavity 16.
Specifically, the upper die 2 is provided with a material injection nozzle 17, the inner end of the material injection nozzle 17 is communicated with the die cavity 16, and liquid plastic is injected into the die cavity 16 from the material injection nozzle 17 during production and use.
Specifically, the upper side of the lower bottom plate 3 is welded with a guide rod 8, the lower side of the upper bottom plate 4 is welded with a sleeve 9, and the guide rod 8 is connected with the sleeve 9 in an inserting mode.
Specifically, a through pin 19 is fixedly connected to the guide rod 8, a waist hole 18 is formed in the sleeve 9, the pin 19 penetrates through the waist hole 18 and is in sliding connection with the waist hole 18, and when the mold is opened or closed, the pin 19 slides in the waist hole 18 to play a limiting role.
Specifically, the second mounting frame 7 is slidably connected with a second ejector rod 12 which penetrates through the second mounting frame, the second ejector rod 12 penetrates through the upper die 2, and a second top plate 10 is fixedly connected to the tail end of the second ejector rod 12.
Specifically, a second spring 11 is connected between the second top plate 10 and the second mounting frame 7, the second spring 11 is sleeved on the second ejector rod 12, the second spring 11 is compressed, and the second top plate 10 is pressed on the upper bottom plate 4 by the elastic force of the second spring 11.
The working principle is as follows: when the injection molding machine is used, the lower bottom plate 3 and the upper bottom plate 4 are fixed on a hydraulic cylinder of the injection molding machine, the upper mold 2 and the lower mold 1 are pushed by the hydraulic cylinder, after mold closing, liquid plastic is injected into the mold cavity 16 through the material injection nozzle 17, the liquid plastic is cooled and solidified in the mold cavity 16, then the lower bottom plate 3 and the upper bottom plate 4 move back to back, two push rods are fixed on the injection molding machine, in the process of moving back, the push rods are gradually inserted into the round holes 5, the front ends of the two push rods are respectively abutted against the first top plate 13 and the second top plate 10, the push rods extend out relative to the mold body, and if solidified parts are clamped on the upper mold 2 or the lower mold 1, the.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a make things convenient for plastics injection mold of drawing of patterns, includes lower plate (3) and upper plate (4), its characterized in that: the middle parts of the lower bottom plate (3) and the upper bottom plate (4) are respectively provided with a round hole (5), the lower bottom plate (3) is fixedly connected with a U-shaped first mounting frame (6), the first mounting frame (6) is provided with a lower die (1), the lower side of the upper bottom plate (4) is fixedly connected with a U-shaped second mounting frame (7), the lower side of the second mounting frame (7) is provided with an upper die (2), the upper die (2) is matched and clamped with the lower die (1) and is provided with a die cavity (16), the first mounting frame (6) is slidably connected with a penetrating first ejector rod (15), the first ejector rod (15) penetrates through the lower die (1), the tail end of the first ejector rod (15) is welded with a first top plate (13), a first spring (14) is connected between the first top plate (13) and the inner side of the first mounting frame (6), and the first spring (14) is sleeved on the first ejector rod (15), the upper end surface of the first ejector rod (15) is flush with the lower side of the die cavity (16).
2. The plastic injection mold facilitating demolding as claimed in claim 1, wherein: the upper die (2) is provided with a material injection nozzle (17), and the inner end of the material injection nozzle (17) is communicated with the die cavity (16).
3. The plastic injection mold facilitating demolding as claimed in claim 1, wherein: the upper side of the lower bottom plate (3) is welded with a guide rod (8), the lower side of the upper bottom plate (4) is welded with a sleeve (9), and the guide rod (8) is connected with the sleeve (9) in an inserting mode.
4. The plastic injection mold facilitating demolding as claimed in claim 3, wherein: the guide rod (8) is fixedly connected with a penetrating pin (19), a waist hole (18) is formed in the sleeve (9), and the pin (19) penetrates through the waist hole (18) and is in sliding connection with the waist hole.
5. The plastic injection mold facilitating demolding as claimed in claim 1, wherein: the second mounting frame (7) is connected with a second ejector rod (12) in a sliding mode, the second ejector rod (12) penetrates through the upper die (2), and a second top plate (10) is fixedly connected to the tail end of the second ejector rod (12).
6. The plastic injection mold facilitating demolding as claimed in claim 5, wherein: and a second spring (11) is connected between the second top plate (10) and the second mounting rack (7), and the second spring (11) is sleeved on the second ejector rod (12).
CN201920919428.4U 2019-06-19 2019-06-19 Plastic injection mold convenient for demolding Active CN210453599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920919428.4U CN210453599U (en) 2019-06-19 2019-06-19 Plastic injection mold convenient for demolding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920919428.4U CN210453599U (en) 2019-06-19 2019-06-19 Plastic injection mold convenient for demolding

Publications (1)

Publication Number Publication Date
CN210453599U true CN210453599U (en) 2020-05-05

Family

ID=70441348

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920919428.4U Active CN210453599U (en) 2019-06-19 2019-06-19 Plastic injection mold convenient for demolding

Country Status (1)

Country Link
CN (1) CN210453599U (en)

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