CN216831998U - Automatic ejection type injection mold capable of rapidly demolding - Google Patents

Abstract

The utility model discloses an automatic ejection type injection mold that can be quickly demolded. The upper end of the upper mold is provided with an injection port, and the step of the lower end side of the upper mold is provided with a plug-in rod, and the lower end of the plug-in rod is inserted into the connecting grooves on the left and right sides of the lower mold; It also includes: set at the bottom of the lower mold The base of the lower mold is provided with a flow groove, and the left end of the flow groove is provided with a water injection port, and the right end of the flow groove is provided with a water outlet; the servo motor is fixedly installed inside the base, and the servo motor A transmission screw rod is connected with the upper end of the transmission screw rod, and an interference frame is installed on the transmission screw rod. The automatic ejection injection mold that can be quickly demolded can effectively improve the demolding efficiency of the mold during the use process, and at the same time, the molding parts in the mold cavity can be easily automatically ejected during the mold opening process.

Description

An automatic ejector injection mold that can be quickly demolded

technical field

The utility model relates to the technical field of injection moulds, in particular to an automatic ejection type injection mould which can be quickly demolded.

Background technique

Injection mold is a tool for producing plastic products. Injection molds can give plastic products a complete structure and precise dimensions. Therefore, injection molds are widely used in the molding and processing of plastic products.

However, the existing injection molds have the following problems:

1. After injection molding the product, the existing injection mold usually requires the staff to demold manually, and the overall demolding efficiency is poor. At the same time, the manual demolding method also greatly increases the labor force;

2. The existing injection mold is inconvenient to automatically eject the material during the demolding process, so that the injection-molded parts are easily adhered to the bottom of the cavity and cannot be taken out, which is easy to cause difficulties for workers in the process of taking out.

Therefore, we propose an automatic ejector injection mold that can be quickly demolded in order to solve the above problems.

Utility model content

The purpose of this utility model is to provide an automatic ejection injection mold that can be quickly demolded, so as to solve the problem that the existing injection molds on the market proposed by the above-mentioned background technology usually require staff to manually remove the products after injection molding the products. The overall demolding efficiency is poor, and the manual demolding method also greatly increases the manual labor. It is not convenient to automatically eject the material during the demolding process, which causes the injection molded parts to easily adhere to the mold. The bottom of the mold cavity cannot be taken out, which easily causes difficulties for workers during the taking out process.

In order to achieve the above purpose, the utility model provides the following technical scheme: an automatic ejection injection mold that can be quickly demolded, including a lower mold, an upper mold, an injection port, a plug-in rod and a connecting groove, and the upper end of the lower mold is The upper mold is installed, and the upper end of the upper mold is provided with an injection port, the step of the lower end of the upper mold is provided with a plug-in rod, and the lower end of the plug-in rod is inserted into the connection grooves on the left and right sides of the lower mold;

Also includes:

a base arranged at the bottom of the lower mold, a flow groove is opened inside the lower mold, a water injection port is arranged at the left end of the flow groove, and a water outlet is arranged at the right end of the flow groove;

The servo motor is fixedly installed inside the base, and the upper end of the servo motor is connected with a transmission screw, and an interference frame is installed on the transmission screw, and a guide column is fixedly connected to the interference frame. The two ends are arranged below the left and right ends of the upper die, and the left and right ends of the upper die and the left and right sides of the base are connected to each other by a return spring that provides a return elastic force;

The lift plate is arranged above the guide column, the upper end of the lift plate is fixedly connected with a push plate, and the lift plate and the base are connected to each other through an internal spring.

Preferably, the outer wall of the plugging rod and the inner wall of the connecting groove are in contact with each other, the plugging rod and the connecting groove are located on the same vertical line, and the plugging rod and the connecting groove are slidingly connected.

By adopting the above technical solution, the sliding of the plug-in rod on the temple part of the connecting groove can improve the stability of the mold clamping and mold opening between the upper mold and the lower mold.

Preferably, the circulation groove is opened in the middle of the lower end of the lower mold, and the circulation groove is arranged in a serpentine shape inside the lower mold.

By adopting the above technical solution, the lower mold can be rapidly cooled by injecting cold water into the inside of the flow groove, so that the molding speed of the injection molded parts in the inner cavity of the lower mold can be accelerated.

Preferably, the middle part of the interference frame and the driving screw rod are threadedly connected, and the left and right ends of the interference frame and the base are slidingly connected.

By adopting the above technical solution, the sliding of the interference frame on the base can prevent it from rotating synchronously with the driving screw.

Preferably, the guide posts are evenly distributed on the contact frame, and there is no contact between the upper end of the guide post and the lower end of the lift plate.

By adopting the above technical solution, the guide column on the resistance frame does not contact with the lifting plate in the initial state, so that the guide column can push the lifting plate after the interference frame moves for a certain distance.

Preferably, an elastic expansion and contraction structure is formed between the lift plate and the base by an internal spring, and the lift plate and the guide column are located on the same vertical line.

By adopting the above technical solution, the built-in spring can be used to reset and rebound the moved lifting plate, and at the same time, the guide column and the lifting plate are located on the same vertical line, so that the lifting plate can be pushed.

Preferably, the push plate is symmetrically arranged with respect to the vertical central axis of the lift plate, and the upper end of the push plate is set in a "mountain"-shaped structure, and the push plate and the lower die are slidably connected.

By adopting the above technical solution, the movement of the lifting plate can make the push plate move synchronously, and the movement of the push plate on the lower mold can automatically eject the molded product inside the lower mold.

Compared with the prior art, the beneficial effect of the present utility model is: the automatic ejection injection mold that can be quickly demolded can effectively improve the demolding efficiency of the mold during the use process, and can also be used in the mold opening process. During the process, it is convenient to automatically eject the molded parts in the mold cavity;

1. Equipped with a resistance frame, through the rotation of the drive screw, the threaded connection of the interference frame can be moved synchronously, and the movement of the interference frame can collide the left and right ends of the upper mold, so that the upper mold can be on the two sides of the base. By sliding the upper mold upward, the mold opening operation can be easily completed. At the same time, the sliding of the insertion rod on the lower end side of the upper mold in the connecting groove on the side of the lower mold can improve the clamping force between the upper mold and the lower mold. and stability during mold opening;

2. There is a guide column, which can move the guide column synchronously through the movement of the interference frame, and the lifting plate can be pushed upward through the movement of the guide column, and the movement of the lifting plate can be used to push the plate. The injection molded product formed in the cavity of the lower mold is automatically ejected upward, and the cold water source can be injected into the inside of the flow tank through the water injection port. The molding speed of the injection molded product in the mold cavity.

Description of drawings

Fig. 1 is the front sectional structure schematic diagram of the utility model;

FIG. 2 is a schematic view of the lower die and the flow groove of the present utility model;

3 is a schematic diagram of the three-dimensional structure of the collision frame and the guide column of the present invention;

Fig. 4 is the enlarged structural schematic diagram at A in Fig. 1 of the utility model;

FIG. 5 is a schematic diagram of the three-dimensional structure of the propulsion plate of the present invention.

In the figure: 1. Lower die; 2. Upper die; 3. Injection port; 4. Insertion rod; 5. Connecting groove; 6. Base; 7. Flow groove; 8. Water injection port; 9. Water outlet; 10. Servo motor; 11, drive screw; 12, contact frame; 13, guide column; 14, return spring; 15, lift plate; 16, push plate; 17, built-in spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-5, the present utility model provides a technical solution: an automatic ejection injection mold that can be quickly demolded, including a lower mold 1, an upper mold 2, an injection port 3, a plug-in rod 4 and a connecting groove 5. An upper mold 2 is installed on the upper end of the lower mold 1, and an injection port 3 is provided on the upper end of the upper mold 2. A plug-in rod 4 is provided at the side step of the lower end of the upper mold 2, and the lower end of the plug-in rod 4 is inserted into the lower mold. In the connecting grooves 5 on the left and right sides of the mold 1; it also includes: a base 6 arranged at the bottom of the lower mold 1, a flow groove 7 is opened inside the lower mold 1, and the left end of the flow groove 7 is provided with a water injection port 8, and the flow groove 7 The right end is provided with a water outlet 9; the servo motor 10 is fixedly installed in the interior of the base 6, the upper end of the servo motor 10 is connected with a transmission screw 11, and the transmission screw 11 is installed with an interference frame 12, and the interference frame 12 is fixed on A guide column 13 is connected, and the left and right ends of the contact frame 12 are arranged below the left and right ends of the upper die 2, and the left and right ends of the upper die 2 and the left and right sides of the base 6 are connected to each other by a return spring 14 that provides restoring elasticity. Connection; the outer wall of the plug-in rod 4 and the inner wall of the connection groove 5 are attached to each other, and the plug-in rod 4 and the connection groove 5 are located on the same vertical line, and the plug-in rod 4 and the connection groove 5 are slidingly connected. The circulation groove 7 is opened in the middle of the lower end of the lower mold 1 , and the circulation groove 7 is arranged in a serpentine shape inside the lower mold 1 . The middle part of the interference frame 12 and the transmission screw rod 11 are screwed, and the left and right ends of the interference frame 12 and the base 6 are slidingly connected.

As shown in Figures 1 and 2, when the product needs to be injection-molded, the injection-molding raw material is added into the injection mold through the injection port 3. At this time, after the injection of the raw material is completed, the corresponding cold water source is injected into the water injection port 8. , the cold water source circulates inside the circulation tank 7, and the cold water source in the circulation tank 7 can cool down the injection molded product in the cavity of the lower mold 1, so that the injection molded product can be rapidly molded. After the injection molded product is molded, turn on the The servo motor 10, the opening of the servo motor 10 can make the drive screw 11 rotate, the rotation of the drive screw 11 can make the threaded contact frame 12 move, and the movement of the contact frame 12 can pass through its left and right sides. The end pushes the upper mold 2 upward, and the upper mold 2 slides on the left and right sides of the base 6 to facilitate automatic mold opening.

The lift plate 15 is arranged above the guide column 13 , the upper end of the lift plate 15 is fixedly connected with a push plate 16 , and the lift plate 15 and the base 6 are connected to each other through an internal spring 17 . The guide posts 13 are evenly distributed on the contact frame 12 , and the upper end of the guide post 13 and the lower end of the lift plate 15 are not in contact. An elastic expansion and contraction structure is formed between the lift plate 15 and the base 6 by the built-in spring 17, and the lift plate 15 and the guide column 13 are located on the same vertical straight line. The push plate 16 is symmetrically arranged about the vertical center axis of the lift plate 15 , and the upper end of the push plate 16 is set in a “mountain” shape structure, and the push plate 16 and the lower die 1 are slidingly connected.

As shown in Fig. 1 and Figs. 3-5, when the interference frame 12 moves upward for a certain distance, the guide column 13 on the interference frame 12 starts to contact the lower end of the lifting plate 15. At this time, the guide column 13 continues to move upward and can push the lifting The plate 15 moves synchronously, and the upward movement of the lift plate 15 is used to automatically eject the injection molded product formed in the cavity of the lower mold 1 under the action of the push plate 16 .

Working principle: When using the automatic ejector injection mold that can be quickly demolded, firstly according to Figure 1-5, by injecting a cold water source into the inside of the flow groove 7, it can be convenient to put it in the cavity of the lower mold 1. The injection molded product is cooled, thereby speeding up the molding speed of the injection molded product. At the same time, the rotation of the driving screw 11 can make the contact frame 12 move, and the movement of the contact frame 12 can push the upper mold 2 to move upward. The overall mold opening operation can push the lifting plate 15 and the push plate 16 to move synchronously under the action of the guide column 13 through the movement of the interference frame 12, and the molded product in the cavity of the lower mold 1 can be moved by the movement of the push plate 16. Automatic ejection.

Contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (7)

1. An automatic ejection injection mold that can be quickly demolded, comprising a lower mold (1), an upper mold (2), an injection port (3), a plug-in rod (4) and an engagement groove (5), the An upper mold (2) is installed on the upper end of the lower mold (1), an injection port (3) is arranged at the upper end of the upper mold (2), and a plug-in rod ( 4), and the lower end of the plug-in rod (4) is inserted into the connecting grooves (5) on the left and right sides of the lower die (1); It is characterized in that it also includes: a base (6) arranged at the bottom of the lower mold (1), a flow groove (7) is opened inside the lower mold (1), and a water injection port (8) is provided at the left end of the flow groove (7), and The right end of the flow groove (7) is provided with a water outlet (9); A servo motor (10) is fixedly installed inside the base (6), a drive screw (11) is connected to the upper end of the servo motor (10), and an interference frame (12) is installed on the drive screw (11). ), and a guide column (13) is fixedly connected to the interference frame (12), the left and right ends of the interference frame (12) are arranged below the left and right ends of the upper die (2), and the left and right ends of the upper die (2) The ends and the left and right sides of the base (6) are connected to each other by a return spring (14) providing a return spring force; A lift plate (15) is arranged above the guide column (13), the upper end of the lift plate (15) is fixedly connected with a push plate (16), and the lift plate (15) and the base (6) pass through The inner springs (17) are connected to each other. 2. An automatic ejector injection mold that can be quickly demolded according to claim 1, characterized in that: the outer wall of the plug-in rod (4) and the inner wall of the connecting groove (5) are attached to each other, and The plugging rod (4) and the connecting groove (5) are located on the same vertical straight line, and the plugging rod (4) and the connecting groove (5) are in sliding connection. 3. A kind of automatic ejection injection mold that can be quickly demolded according to claim 1, characterized in that: the flow groove (7) is opened in the middle of the lower end of the lower mold (1), and the flow groove (7) The inside of the lower die (1) is arranged in a meandering shape. 4. A kind of automatic ejection injection mold that can be quickly demolded according to claim 1, characterized in that: the middle part of the interference frame (12) and the drive screw (11) are threadedly connected, and The left and right ends of the interference frame (12) and the base (6) are slidingly connected. 5. An automatic ejection injection mold capable of rapid demoulding according to claim 1, characterized in that: the guide posts (13) are evenly distributed on the interference frame (12), and the guide posts (13) There is no contact between the upper end of the lifter plate (15) and the lower end of the lift plate (15). 6. An automatic ejection injection mold capable of rapid demoulding according to claim 1, characterized in that: elastic expansion and contraction are formed between the lifting plate (15) and the base (6) through a built-in spring (17). structure, and the lifting plate (15) and the guide column (13) are located on the same vertical line. 7. An automatic ejector injection mold capable of rapid demoulding according to claim 1, characterized in that: the push plate (16) is symmetrically arranged with respect to the vertical center axis of the lift plate (15), and pushes The upper end of the plate (16) is set in a "mountain"-shaped structure, and the pushing plate (16) and the lower die (1) are slidingly connected.

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