A novel mold stripping device and method of using the same

The multi-stage ejection and side-angle ejection design of the new mold demolding device solves the problem that traditional demolding devices cannot open molds on complex products, thus improving product quality and stability.

CN113478752BActive Publication Date: 2025-10-24DONGGUAN DAXING PLASTIC MOULD CO LTD
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Patent Information

Application Number
CN202011010479.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-09-23
Publication Date
2025-10-24
Estimated Expiration
2040-09-23

AI Technical Summary

Technical Problem

Traditional demoulding devices are unable to effectively open the mold when faced with products with complex internal structures and small spaces, resulting in reduced product strength and stability and failure to meet quality requirements.

Method used

A novel mold demolding device is adopted, which achieves multi-stage ejection and side angled ejection through the coordinated action of components such as inclined guide pillars, elastic springs, nylon plugs and hydraulic cylinders, ensuring smooth product demolding.

Benefits of technology

This enhances the applicability of the mold, avoids the problem of being unable to open the mold due to its complex structure, and improves product quality and stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN113478752B_ABST
Patent Text Reader

Abstract

The application relates to the technical field of mold manufacturing, in particular to a novel mold demolding device and a using method thereof, which comprises a panel, an injection port is arranged on the upper surface of the panel, a mounting disc is fixedly installed on the upper surface of the panel, slide rods are symmetrically arranged on the lower surface of the panel, one ends of the slide rods away from the panel respectively penetrate through a water gap plate, an A plate, a B plate and a square iron and extend to the surface of a bottom plate, plug screws are symmetrically fixedly installed on the upper surface of the panel, the water gap plate is fixedly installed on the lower surface of the panel, the A plate is fixedly installed on the side of the water gap plate away from the panel, a connecting plate is fixedly installed on one side of the water gap plate, and the water gap plate is fixedly connected with the A plate through the connecting plate. The demolding mechanism is arranged, the applicability of the mold is enhanced, the situation that a product cannot be demolded due to complex product structure is effectively avoided, the quality of the product is more excellent, and the product meets the requirements of customers.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mold manufacturing, in particular to a novel mold demolding device and a using method thereof. BACKGROUND

[0002] Mold is called the mother of industry, and the production and development level of mold is one of important marks of mechanical manufacturing level. With the rapid development of manufacturing industry, human beings have high pursuit of the quality, weight and appearance of products, and therefore the production quality requirement of mold is higher and higher.

[0003] After the product is injection molded in the mold, demolding is a very important link, which directly affects the quality of the product, and the traditional demolding device has poor applicability. When the internal structure of the product is complex and the internal space of the product is small, the traditional mold opening mode cannot open the mold, and because of the limitation of the product structure, the mold cannot be opened, so that the product can only be opened by being divided into two products, resulting in the decrease of the strength, impact resistance and assembly stability of the product, and the technical requirement cannot be met. SUMMARY

[0004] The present application aims at solving the problems in the prior art and provides a novel mold demolding device.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a novel mold demolding device, comprising a panel, a plug screw is fixedly installed on the upper surface of the panel in a symmetrical manner, a water gap plate is installed on the lower surface of the panel, an A plate is installed on the side of the water gap plate away from the panel, a first inclined guide column is fixedly installed on the lower surface of the water gap plate, an elastic spring is fixedly installed on the side of the A plate close to the first inclined guide column in a symmetrical manner, a second inclined guide column is fixedly installed on the side of the A plate away from the first inclined guide column in a symmetrical manner, a large row position is arranged on the lower surface of the A plate, nylon rubber plugs are arranged on the two sides of the large row position, a B plate is fixedly installed on the side of the large row position away from the A plate, square irons are fixedly installed on the side of the B plate away from the large row position in a symmetrical manner, a first thimble plate is arranged between the inner walls of the square irons, a second thimble plate is fixedly installed on the lower surface of the first thimble plate, a buckle machine is fixedly installed on the side of the second thimble plate, and a bottom plate is fixedly installed on the lower surface of the square iron.

[0006] The small row position is symmetrically and fixedly installed on one side of the B plate close to the second inclined guide pillar, an oil cylinder is fixedly installed on the side of the small row position away from the B plate, a row position is fixedly installed on the inner wall of the oil cylinder, a thimble is fixedly installed on the side of the row position close to the B plate, an inclined top and a straight top are slidingly connected to the side of the B plate close to the A plate, a product is arranged at the end of the inclined top away from the B plate, a small inclined top pressing plate and a small inclined top are fixedly installed in the inclined top, a small inclined top seat is fixedly installed at the end of the small inclined top close to the small inclined top pressing plate, a return spring is fixedly installed on the side of the small inclined top seat close to the small inclined top, and a top rod is fixedly installed on the lower surface of the small inclined top seat.

[0007] Preferably, the side of the water gap plate is fixedly installed with a connecting plate, and the water gap plate is fixedly connected with the A plate through the connecting plate.

[0008] Preferably, the lower surface of the panel is symmetrically provided with sliding rods, and the ends of the sliding rods away from the panel respectively penetrate the water gap plate, the A plate, the B plate and the square iron and extend to the surface of the bottom plate.

[0009] Preferably, the upper surface of the panel is provided with an injection port, and the upper surface of the panel is fixedly installed with a mounting disc.

[0010] Preferably, the number of thimbles is four, and the side of the oil cylinder away from the thimbles is fixedly installed with a connecting block.

[0011] Preferably, the two sides of the A plate and the B plate are provided with sliding grooves, and the inner walls of the sliding grooves are symmetrically provided with connecting holes.

[0012] A use method of a novel mold stripping device, comprising the following steps:

[0013] S1: when the product is injection molded, first, the movable mold of the injection molding machine drives the rear mold to move, in the movement process, the front mold part is first separated from the A plate by a distance under the action of the elastic spring, at this time, the A plate and the B plate do not separate when the mold is opened under the action of the nylon plug, and then the water gap plate is separated from the panel by a distance after the elastic spring fails;

[0014] S2: when the separation reaches the limiting position of the plug screw, the water gap plate stops moving, at this time, the A plate starts to separate from the B plate, when the A plate and the B plate separate, the row position seat is decoupled under the action of the first and second inclined guide pillars, and the front and rear molds are opened;

[0015] S3: After the mold is normally opened, the first ejection is carried out, the first ejection of the product is completed by pushing the first ejector plate and the second ejector plate of the mold through the injection molding machine pull rod to drive the inclined ejector and the straight ejector to move a distance, in the process of pushing and ejecting distance of the second ejector plate, mechanical limiting is carried out through the injection molding machine to prevent the first ejector plate and the second ejector plate from separating to cause the product ejection failure, and the second ejector plate is mechanically limited through the square iron to ensure that the second ejector plate will not be ejected forward after the first ejection distance is completed;

[0016] S4: The second ejection is carried out, the first ejector plate of the mold is pushed forward by a distance through the injection molding machine pull rod to ensure that the product is on the structure of the first ejection after ejection, a set of oil cylinder controlled ejection system is added outside the mold after the second ejection of the mold, the side inclined ejector is ejected from the side through the oil cylinder to complete the side inclined ejector ejection action;

[0017] S5: The third ejection is carried out immediately, the third ejection is carried out through the oil cylinder driving the row position and the ejector, the small inclined ejector is ejected a distance through the seat of the small inclined ejector to the ejector to make the product completely eject, that is, the product can be taken out smoothly, when the product is taken out, the small inclined ejector is retreated under the action of the reset spring after the oil cylinder driving the row position and the ejector are pulled back by the injection molding machine, and the mold can be closed again.

[0018] Compared with the prior art, the advantages and positive effects of the present application are that:

[0019] In the present application, by setting the demolding mechanism, the applicability of the mold is enhanced, the situation that the product cannot be opened and demolded due to the complex product structure is effectively avoided, the quality of the product is more excellent, and thus the requirements of the customers are met. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A mold opening structure schematic diagram of a novel mold demolding device and a using method thereof is provided for the present application;

[0021] Figure 2 A mold closing structure schematic diagram of a novel mold demolding device and a using method thereof is provided for the present application;

[0022] Figure 3 An ejection structure schematic diagram of a novel mold demolding device and a using method thereof is provided for the present application;

[0023] Figure 4 A structure schematic diagram of a novel mold demolding device and a using method thereof is provided for the present application; Figure 1 A structure schematic diagram of a novel mold demolding device and a using method thereof is provided for the present application;

[0024] Figure 5 A structure schematic diagram of a novel mold demolding device and a using method thereof is provided for the present application; Figure 2Structure schematic diagram at B;

[0025] Figure 6 A new mold stripping device and its use method are proposed for the present application Figure 2 Structure schematic diagram at C;

[0026] Figure 7 A new mold stripping device and its use method are proposed for the present application Figure 3 Structure schematic diagram at D;

[0027] Figure 8 A new mold stripping device and its use method are proposed for the present application

[0028] Figure 9 A new mold stripping device and its use method are proposed for the present application Figure 6 Structure schematic diagram at E;

[0029] Figure 10 A new mold stripping device and its use method are proposed for the present application Structure schematic diagram at F;

[0030] Figure 11 A new mold stripping device and its use method are proposed for the present application

[0031] Legend:

[0032] 1, panel; 2, plug screw; 3, nozzle plate; 4, A plate; 5, first inclined guide column; 6, elastic spring; 7, second inclined guide column; 8, large row; 9, nylon rubber plug; 10, B plate; 11, square iron; 12, first ejector plate; 13, second ejector plate; 14, buckle machine; 15, bottom plate; 16, small row; 17, oil cylinder; 18, row; 19, ejector pin; 20, inclined top; 21, straight top; 22, product; 23, small inclined top pressing plate; 24, small inclined top; 25, small inclined top seat; 26, reset spring; 27, top rod. DETAILED DESCRIPTION

[0033] In order to enable the above-mentioned objects, features and advantages of the present application to be more clearly understood, the following will further describe the present application with reference to the drawings and examples. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0034] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in different ways from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0035] As Figures 1-9As shown, the present application provides a new mold stripping device, including a panel 1, the upper surface of the panel 1 is provided with an injection port, the upper surface of the panel 1 is fixedly installed with a mounting disc, the lower surface of the panel 1 is symmetrically provided with a slide rod, and the end of the slide rod away from the panel 1 respectively penetrates the water gap plate 3, the A plate 4, the B plate 10 and the square iron 11 and extends to the surface of the bottom plate 15, the upper surface of the panel 1 is symmetrically fixedly installed with a plug screw 2, the lower surface of the panel 1 is installed with the water gap plate 3, the side of the water gap plate 3 away from the panel 1 is installed with the A plate 4, one side of the water gap plate 3 is fixedly installed with a connecting plate, the water gap plate 3 is fixedly connected with the A plate 4 through the connecting plate, the lower surface of the water gap plate 3 is fixedly installed with a first inclined guide column 5, the side of the A plate 4 close to the first inclined guide column 5 is symmetrically fixedly installed with an elastic spring 6, the side of the A plate 4 away from the first inclined guide column 5 is symmetrically fixedly installed with a second inclined guide column 7, the lower surface of the A plate 4 is provided with a large row position 8, the two sides of the large row position 8 are provided with nylon rubber plugs 9, the side of the large row position 8 away from the A plate 4 is fixedly installed with the B plate 10, the two sides of the A plate 4 and the B plate 10 are respectively provided with slide grooves, and the inner walls of the slide grooves are symmetrically provided with connecting holes, under the action of the elastic spring 6, the water gap plate 3 and the A plate 4 first separate a distance, at this time, the A plate 4 and the B plate 10 do not separate under the action of the nylon rubber plug 9 when the mold is opened, then after the elastic spring 6 is invalid, the water gap plate 3 and the panel 1 separate a distance, when the distance reaches the limiting position of the plug screw 2, the water gap plate 3 stops moving, at this time, the A plate 4 starts to separate from the B plate 10, the side of the B plate 10 away from the large row position 8 is symmetrically fixedly installed with the square iron 11, the inner wall of the square iron 11 is provided with a first ejector plate 12, the lower surface of the first ejector plate 12 is fixedly installed with a second ejector plate 13, the side of the second ejector plate 13 is fixedly installed with a buckle machine 14, the lower surface of the square iron 11 is fixedly installed with a bottom plate 15, the side of the B plate 10 close to the second inclined guide column 7 is symmetrically fixedly installed with a small row position 16, the side of the small row position 16 away from the B plate 10 is fixedly installed with an oil cylinder 17, the side of the oil cylinder 17 away from the ejector pin 19 is fixedly installed with a connecting block, the inner wall of the oil cylinder 17 is fixedly installed with a row position 18, the side of the row position 18 close to the B plate 10 is fixedly installed with an ejector pin 19, the number of the ejector pin 19 is four groups, the side of the B plate 10 close to the A plate 4 is slidably connected with an inclined ejector 20, the side of the B plate 10 close to the A plate 4 is slidably connected with a straight ejector 21, the end of the inclined ejector 20 away from the B plate 10 is provided with a product 22, the inside of the inclined ejector 20 is fixedly installed with a small inclined ejector pressing plate 23, the inside of the inclined ejector 20 is fixedly installed with a small inclined ejector 24, the end of the small inclined ejector 24 close to the small inclined ejector pressing plate 23 is fixedly installed with a small inclined ejector seat 25, the side of the small inclined ejector seat 25 close to the small inclined ejector 24 is fixedly installed with a return spring 26, the lower surface of the small inclined ejector seat 25 is fixedly installed with a top rod 27, when the A plate 4 separates from the B plate 10, the row position seat separates under the action of the first inclined guide column 5 and the second inclined guide column 7, the front mold and the rear mold are opened, after the mold is normally opened, the product is first ejected,The first time, the product is buckled off by moving the inclined top 20 and the straight top 21 a distance forward by the injection molding machine pull rod pushing the mold No. 1 ejector plate 12 and No. 2 ejector plate 13. During the buckling off distance of the No. 2 ejector plate 13, the mechanical limit is performed by the buckle machine 14 to prevent the No. 1 ejector plate 12 and the No. 2 ejector plate 13 from separating, which causes the product 22 to fail to be ejected. The mechanical limit is performed on the No. 2 ejector plate 13 by the square iron 11 to ensure that the No. 2 ejector plate 13 will not be ejected forward again after the first buckling off distance is completed, and the second ejection is performed. The product 22 is on the structure of the first ejection, and the mold is used for the second ejection. After the second ejection, a set of ejection system controlled by the oil cylinder 17 is added outside the mold. The product 22 is buckled off by the oil cylinder 17 from the side, and the third ejection is performed. The product 22 is completely buckled off by the oil cylinder 17 driving the row position 18 and the ejector pin 19 to perform the third ejection, and the small inclined top 24 is buckled off a distance by the ejector pin 19 to the small inclined top seat 25, so that the product 22 can be smoothly taken out. When the product 22 is taken out, the small inclined top 24 is retracted under the action of the reset spring 26 after the oil cylinder 17 driven by the injection molding machine controls the row position 18 and the ejector pin 19 to pull back, so that the mold can be closed again. By setting the demolding mechanism, the applicability of the mold is enhanced, the situation that the product 22 cannot be opened and demolded due to the complex structure of the product 22 is effectively avoided, the quality of the product 22 is more excellent, and the customer's requirements are met.

[0036] The present application, when the product 22 is injection molded, first the movable mold of the injection molding machine drives the rear mold to move, in the movement process, the front mold part is first separated from the A plate 4 by a distance under the action of the elastic spring 6, at this time, the A plate 4 and the B plate 10 are not separated when the mold is opened under the action of the nylon rubber plug 9, then after the elastic spring 6 is invalid, the water plate 3 is separated from the panel 1 by a distance, when the distance is separated to the limit of the plug screw 2, the water plate 3 stops moving, at this time, the A plate 4 starts to separate from the B plate 10, when the A plate 4 and the B plate 10 are separated, the row seat is decoupled under the action of the first inclined guide column 5 and the second inclined guide column 7, the front and rear molds are opened, after the mold is normally opened, the first ejection is carried out, the first ejector plate 12 and the second ejector plate 13 of the mold are driven by the injection molding machine pull rod to move forward by a distance, the first decoupling of the product 22 is completed, in the process of the second ejector plate 13 being pushed to decouple, the mechanical limit is carried out through the buckle machine 14, so that the first ejector plate 12 and the second ejector plate 13 are prevented from being separated to cause the product 22 to fail to be ejected, and the second ejector plate 13 is mechanically limited by the square iron 11, so that after the first decoupling distance is completed, the second ejector plate 13 cannot be ejected forward again, the second ejection is carried out, the first ejector plate 12 of the mold is driven by the injection molding machine pull rod to move forward by a distance, so that after the ejection, the product 22 is on the structure of the first ejection, and the second ejection is carried out through the mold, a set of ejection system controlled by the oil cylinder 17 is added outside the mold, the product 22 is completely decoupled, that is, the product 22 can be smoothly taken out, when the product 22 is taken out, the row 18 and the ejector pin 19 are pulled back by the oil cylinder 17 controlled by the injection molding machine, the small inclined top 24 is retreated under the action of the return spring 26, and the mold can be closed again, through the setting of the demolding mechanism, the applicability of the mold is enhanced, the situation that the product 22 cannot be opened and demolded due to the complex structure of the product 22 is effectively avoided, the quality of the product 22 is more excellent, and thus the requirements of the customers are met.

[0037] A use method of a novel mold demolding device, comprising the following steps:

[0038] S1: when the product 22 is injection molded, first the movable mold of the injection molding machine drives the rear mold to move, in the movement process, the front mold part is first separated from the A plate 4 by a distance under the action of the elastic spring 6, at this time, the A plate 4 and the B plate 10 are not separated when the mold is opened under the action of the nylon rubber plug 9, then after the elastic spring 6 is invalid, the water plate 3 is separated from the panel 1 by a distance;

[0039] S2: when disengaging to the limit of the plug screw 2, the nozzle plate 3 stops moving, at this time the A plate 4 starts to separate from the B plate 10, when the A plate 4 separates from the B plate 10, the row seat is under the action of the first inclined guide column 5 and the second inclined guide column 7, and is decoupled, and the front and rear molds are opened;

[0040] S3: after the mold is normally opened, the first ejection is carried out, the first ejector plate 12 and the second ejector plate 13 of the mold are driven by the injection molding machine pull rod to move the inclined ejector 20 and the straight ejector 21 forward by a distance, the first decoupling of the product 22 is completed, in the process of the second ejector plate 13 being pushed to decouple, the mechanical limit is carried out through the buckle machine 14, so that the first ejector plate 12 and the second ejector plate 13 are prevented from being separated to cause the product 22 to fail to be ejected, and the second ejector plate 13 is mechanically limited by the square iron 11, so that after the first decoupling distance is completed, the second ejector plate 13 will not be ejected forward again;

[0041] S4: the second ejection is carried out, the first ejector plate 12 of the mold is pushed forward by a distance by the injection molding machine pull rod, and after the ejection, the product 22 is on the structure of the first ejection, a set of ejection system controlled by the oil cylinder 17 is added outside the mold for the second ejection, the product 22 is ejected from the side through the oil cylinder 17, and the side inclined ejector 20 is decoupled;

[0042] S5: the third ejection is carried out immediately, the row 18 and the ejector pin 19 are driven by the oil cylinder 17 to carry out the third ejection, the small inclined ejector 24 is driven by the small inclined ejector seat 25 to eject a decoupling distance, so that the product 22 is completely decoupled, and the product 22 can be smoothly taken out, when the product 22 is taken out, the small inclined ejector 24 is retreated under the action of the return spring 26 after the row 18 and the ejector pin 19 are pulled back by the injection molding machine, and the mold can be closed again.

[0043] The above is only a preferred embodiment of the present application, and is not a limitation on other forms of the present application. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A new mold demolding device comprising a faceplate (1), characterized in that: The upper surface of the panel (1) is symmetrically fixedly installed with a plug screw (2), the lower surface of the panel (1) is installed with a water gap plate (3), the side, away from the panel (1), of the water gap plate (3) is installed with an A plate (4), the lower surface of the water gap plate (3) is fixedly installed with a first inclined guide column (5), the side, close to the first inclined guide column (5), of the A plate (4) is symmetrically fixedly installed with an elastic spring (6), the side, away from the first inclined guide column (5), of the A plate (4) is symmetrically fixedly installed with a second inclined guide column (7), the lower surface of the A plate (4) is provided with a large row position (8), the two sides of the large row position (8) are provided with nylon rubber plugs (9), the side, away from the A plate (4), of the large row position (8) is fixedly installed with a B plate (10), the side, away from the large row position (8), of the B plate (10) is symmetrically fixedly installed with square irons (11), the inner wall between the square irons (11) is provided with a first thimble plate (12), the lower surface of the first thimble plate (12) is fixedly installed with a second thimble plate (13), the side of the second thimble plate (13) is fixedly installed with a buckle machine (14), the lower surface of the square iron (11) is fixedly installed with a bottom plate (15); The side, close to the second inclined guide column (7), of the B plate (10) is symmetrically fixedly installed with a small row position (16), the side, away from the B plate (10), of the small row position (16) is fixedly installed with an oil cylinder (17), the inner wall of the oil cylinder (17) is fixedly installed with a row position (18), the side, close to the B plate (10), of the row position (18) is fixedly installed with a thimble (19), the side, close to the A plate (4), of the B plate (10) is slidably connected with an inclined thimble (20) and a straight thimble (21), the end, away from the B plate (10), of the inclined thimble (20) is provided with a product (22), the inside of the inclined thimble (20) is fixedly installed with a small inclined thimble pressing plate (23) and a small inclined thimble (24), the end, close to the small inclined thimble pressing plate (23), of the small inclined thimble (24) is fixedly installed with a small inclined thimble seat (25), the side, close to the small inclined thimble (24), of the small inclined thimble seat (25) is fixedly installed with a reset spring (26), the lower surface of the small inclined thimble seat (25) is fixedly installed with a top rod (27); The side of the water gap plate (3) is fixedly installed with a connecting plate, the water gap plate (3) is fixedly connected with the A plate (4) through the connecting plate; The lower surface of the panel (1) is symmetrically provided with slide rods, and the ends, away from the panel (1), of the slide rods respectively penetrate through the water gap plate (3), the A plate (4), the B plate (10) and the square iron (11) and extend to the surface of the bottom plate (15); The upper surface of the panel (1) is provided with an injection port, and the upper surface of the panel (1) is fixedly installed with a mounting disc.

2. A novel mold stripping device according to claim 1, characterized in that: The number of the thimbles (19) is four groups, and the side, away from the thimbles (19), of the oil cylinder (17) is fixedly installed with a connecting block.

3. A novel mold stripping device according to claim 1, characterized in that: The two sides of the A plate (4) and the B plate (10) are respectively provided with sliding grooves, and the inner walls of the sliding grooves are symmetrically provided with connecting holes.

4. A method of using a novel mold release device according to any one of claims 1-3, wherein, The method comprises the following steps: S1: When the product (22) is injection molded, the movable mold of the injection molding machine is first driven to move, and in the movement process, the front mold part is first separated from the nozzle plate (3) and the A plate (4) by a distance under the action of the elastic spring (6), at this time the A plate (4) and the B plate (10) are not separated when the mold is opened under the action of the nylon rubber plug (9), and then the nozzle plate (3) is separated from the face plate (1) by a distance after the elastic spring (6) is disabled; S2: When the nozzle plate (3) stops moving at the limiting position of the plug screw (2), the A plate (4) starts to separate from the B plate (10), and when the A plate (4) and the B plate (10) are separated, the row seat is decoupled under the action of the first inclined guide column (5) and the second inclined guide column (7), and the front and rear molds are opened; S3: After the mold is normally opened, the first ejection is performed, the first and second ejector plates (12) and (13) of the mold are driven by the injection molding machine to move forward by a distance, and the product (22) is first decoupled, and the second ejector plate (13) is mechanically limited by the catch machine (14) during the decoupling distance, preventing the first and second ejector plates (12) and (13) from separating to cause the product (22) to fail to be ejected, and the second ejector plate (13) is mechanically limited by the square iron (11) to ensure that the second ejector plate (13) will not be ejected forward after the first decoupling distance is completed; S4: Then the second ejection is performed, the first ejector plate (12) of the mold is pushed forward by a distance by the injection molding machine, and after the product (22) is ejected on the structure of the first ejection, an oil cylinder (17) controlled ejection system is added outside the mold to complete the side ejection by the oil cylinder (17) from the side; S5: Then the third ejection is performed, the row (18) and the ejector pin (19) are driven by the oil cylinder (17) to perform the third ejection, and the small inclined top (24) is ejected by a decoupling distance by the ejector pin (19) to the small inclined top seat (25), so that the product (22) is completely decoupled and can be smoothly taken out, and when the product (22) is taken out, the row (18) and the ejector pin (19) are pulled back by the oil cylinder (17) controlled by the injection molding machine, and the small inclined top (24) is retracted under the action of the return spring (26).

Citation Information

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