Automatic injection molding product pushing-out device

Abstract

The utility model relates to the technical fields of injection molding machine accessories, specifically relates to an automatic push-out device for injection molding products, including the bottom plate of the falling mouth below the injection molding machine frame, the side of injection molding machine frame corresponding the bottom plate is equipped with the discharge gate, the other side of bottom plate is equipped with the push material pneumatic cylinder, the movable end of push material pneumatic cylinder is connected with the push material board parallelly arranged with bottom plate, still be equipped with the guide mechanism of linkage with push material board on bottom plate, the guide mechanism cooperates with push material pneumatic cylinder to make push material board reciprocate along straight line, and then push the injection molding product falling on bottom plate out of the discharge gate. The push-out device of the utility model can be directly added on the original injection molding machine, directly link the conveying mode of injection molding machine itself to cooperate with injection molding product falling and pushing out the frame, facilitate the taking and placing of workers, improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of injection molding machine parts, specifically to an automatic ejection device for injection molded products. Background Technology

[0002] Injection molding machines are the main molding equipment used to create various shapes of plastic products from thermoplastic or thermosetting plastics using plastic molds. Although existing equipment, especially horizontal injection molding machines, is usually equipped with output mechanisms such as conveyor belts, most machines still require the injection molded products to fall onto the machine frame or a fixed location to dry. However, with the increasing variety of plastic products, some larger products cannot be rolled or slid off the injection molding machine frame or onto a fixed conveyor belt. Furthermore, freshly molded products are still warm, making them inconvenient for workers to handle and place directly, and also easily causing wear and tear on the conveyor belt. Therefore, the handling of plastic products is a crucial part of the injection molding process. After the product is ejected from the mold cavity and falls to the bottom of the injection molding machine frame, it needs to dry slightly before being pushed out of the frame by a stable ejection device for easy handling and placement by workers, or for being fed onto a suitable transport mechanism. These are technical problems that currently need to be solved in equipment manufacturing. Utility Model Content

[0003] To address the problems existing in the prior art, the present invention aims to provide an automatic ejection device for injection-molded products. This ejection device can be directly added to an existing injection molding machine, directly linking with the machine's own conveying mechanism to facilitate the ejection of injection-molded products from the machine frame, making it easier for workers to pick up and place them, thus improving production efficiency.

[0004] The present invention discloses an automatic ejection device for injection molded products, comprising a base plate located below the drop port of an injection molding machine frame. A discharge port is provided on one side of the injection molding machine frame corresponding to the base plate, and a pusher cylinder is provided on the other side of the base plate. The movable end of the pusher cylinder is connected to a pusher plate arranged parallel to the base plate. A guide mechanism is also provided on the base plate, which is linked to the pusher plate. The guide mechanism cooperates with the pusher cylinder to cause the pusher plate to reciprocate along a straight line, thereby ejecting the injection molded product that has fallen onto the base plate from the discharge port.

[0005] In one embodiment, the pushing cylinder is fixed to the base plate by a bracket, the pushing cylinder and the pushing plate are arranged perpendicular to each other, and there are two guiding mechanisms respectively located at both ends of the pushing plate.

[0006] In one embodiment, the guiding mechanism includes a guide rod, the two ends of which are fixed to the base plate by positioning plates, and the end of the pusher plate is slidably connected to the guide rod by a linear bearing.

[0007] In one embodiment, the two guide rods are arranged parallel to each other and parallel to the pusher cylinder, and the pusher cylinder is located in the middle of the pusher plate.

[0008] In one embodiment, limit switches are fixed at both ends of the outer side of one of the guide rods, and the limit switches are linked to the pusher cylinder.

[0009] In one embodiment, speed control valves are provided at both the air inlet and outlet of the pusher cylinder.

[0010] In one embodiment, the direction of movement of the pusher plate is perpendicular to the conveying direction of the injection molding machine frame.

[0011] Compared with the prior art, the beneficial effects of this utility model's technical solution are:

[0012] 1. The ejection device of this utility model can be directly added to the existing injection molding machine. It directly links the conveying method of the injection molding machine itself to cooperate with the injection molded products falling and being ejected from the machine frame. By using the pusher cylinder, the pusher plate moves parallel from one side of the bottom plate to the other side with the assistance of the guide mechanism, ejecting the injection molded products that have fallen on the bottom plate from the machine frame. Then the pusher plate resets and waits for the next batch of injection molded products to fall. This makes it convenient for workers to pick up and place the injection molded products ejected from the outlet, thereby improving production efficiency and reducing safety risks.

[0013] 2. The guide mechanism makes the pusher plate of a certain length more stable during its back-and-forth linear motion, preventing it from bending or being damaged due to uneven force. It can also be linked with the limit switch to make the pusher plate move more accurately and in place without disengaging from the guide mechanism. Moreover, the entire pusher device can be directly integrated with the production of the injection molding machine. With one back-and-forth movement of the pusher plate as one cycle, and in conjunction with the drop interval of the injection molded product, the injection molding machine can complete a fully automated process from injection molding to product output. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of an automatic ejection device for injection molded products that is used in conjunction with an injection molding machine, according to this utility model.

[0015] Figure 2 This is a schematic diagram of the structure of an automatic ejection device for injection molded products according to this utility model.

[0016] Explanation of reference numerals in the attached drawings: 1-Injection molding machine frame, 2-Base plate, 3-Push cylinder, 31-Bracket, 32-Speed ​​control valve, 4-Push plate, 5-Guide mechanism, 51-Guide rod, 52-Positioning plate, 53-Linear bearing, 6-Limit switch. Detailed Implementation

[0017] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can be described as the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0019] like Figure 1 and Figure 2As shown, this utility model discloses an automatic ejection device for injection molded products, including a base plate 2 located below the drop port of an injection molding machine frame 1. A discharge port is located on one side of the injection molding machine frame 1 corresponding to the base plate 2, and a pusher cylinder 3 is located on the other side of the base plate 2. The movable end of the pusher cylinder 3 is connected to a pusher plate 4 arranged parallel to the base plate 2. A guide mechanism 5, which is linked to the pusher plate 4, is also provided on the base plate 2. The guide mechanism 5 cooperates with the pusher cylinder 3 to cause the pusher plate 4 to reciprocate in a straight line, thereby ejecting the injection molded product falling onto the base plate 2 from the discharge port. This ejection device can be directly added to an existing injection molding machine, directly linking to the machine's own conveying mechanism to facilitate the dropping and ejection of the injection molded product from the injection molding machine frame 1. First, a discharge port is set on the side below the drop port of the injection molding machine frame 1, and a base plate 2 is set at the discharge port. Based on the base plate 2, a pusher cylinder 3 is installed on the opposite side of the discharge port and connected to a pusher plate 4, so that the pusher plate 4 is directly facing the discharge port. A guide mechanism 5 is installed on the base plate 2 to be linked with the pusher plate 4. In this way, the pusher cylinder 3 pushes the pusher plate 4 to move parallel from one side of the base plate to the other side with the assistance of the guide mechanism 5, pushing the injection molded products that have fallen on the base plate 2 out of the injection molding machine frame 1. Then the pusher plate 4 is retracted and reset, waiting for the next batch of injection molded products to fall. In this way, the injection molded products can be sent out of the injection molding machine frame 1 in batches, which makes it convenient for workers to pick up and place the produced injection molded products, thereby improving production efficiency and reducing safety risks. In addition, for the convenience of installation and setup of each mechanism, if the injection molding machine frame 1 itself has a conveyor belt, the movement direction of the pusher plate 4 can be perpendicular to the conveying direction of the injection molding machine frame 1, so that the injection molded products can be directly sent to the side of the injection molding machine frame 1, making it easier for workers to obtain or connect other conveying mechanisms.

[0020] In one embodiment, the pusher cylinder 3 is fixed to the base plate 2 by a bracket 31. The pusher cylinder 3 and the pusher plate 4 are arranged perpendicularly to each other. Two guide mechanisms 5 are respectively located at both ends of the pusher plate 4. The pusher cylinder 3 can be installed based on the base plate 2. A bracket 31 is set at the edge of the base plate 2, so that the fixed part of the pusher cylinder 3 is fixedly connected to the bracket 31 near the movable end. The bracket 31 can also be reinforced with a reinforcing plate to increase its stress resistance. Guide mechanisms 5 are set at the other two opposite edges of the base plate 2, so as to cooperate with the drive of the pusher cylinder 3 to make the pusher plate 4 move linearly and reciprocally along the base plate 2 stably. The guide mechanism 5 includes a guide rod 51. The two ends of the guide rod 51 are fixed to the base plate 2 by positioning plates 52, and the end of the pusher plate 4 is slidably connected to the guide rod 51 by a linear bearing 53. The guide mechanism 5 is mainly used to ensure that the pusher plate 4 of a certain length can still maintain linear movement and is not easily bent or damaged by force during multiple reciprocating movements. The guide rod 51 can be installed on the base plate 2 through the positioning plate 52, and can be adjusted according to the installation position during installation to ensure that the two guide rods 51 are arranged parallel to each other and parallel to the pusher cylinder 3, so that the pusher cylinder 3 is located in the middle of the pusher plate 4, making the force of the pusher plate 4 more balanced. The end of the pusher plate 4 is connected to the guide rod 51 by a linear bearing 53 to keep the pusher plate 4 from deviating during movement.

[0021] In addition, limit switches 6 are fixed at both ends of the outer side of one of the guide rods 51. The limit switches 6 are linked with the pusher cylinder 3. The limit switches 6 can be installed on the base plate 2 by means of angle iron or other fixing parts. Their main function is to limit the movement stroke of the pusher plate 4 and prevent it from disengaging from the guide mechanism 5. The limit switches 6 are linked with the pusher cylinder 3. When triggered, it means that the pusher plate 4 has reached the end of the guide rod 51. The pusher cylinder 3 should be stopped or driven in the opposite direction to achieve the above-mentioned pushing effect. Moreover, speed regulating valves 32 are provided at both the air inlet and outlet of the pusher cylinder 3. This allows the pushing speed of the pusher cylinder 3 to be adjusted according to the actual production needs of the injection molding machine, such as the size of the injection molded products. It can also be used in conjunction with the ejector pins and delay devices in the injection molding machine to activate the pusher plate 4 only after a certain period of time when each batch of injection molded products falls to the base plate 2, thus completing one round-trip movement of the pusher plate 4. This completes one cycle to achieve continuous production.

[0022] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application.

[0023] The positional relationships described in the figures are for illustrative purposes only and should not be construed as limiting this patent. Clearly, the above embodiments of this utility model are merely examples to clearly illustrate the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. An automatic ejection device for injection-molded products, characterized in that, The system includes a base plate (2) located below the drop outlet of the injection molding machine frame (1). The injection molding machine frame (1) has a discharge port on one side corresponding to the base plate (2), and a pusher cylinder (3) is provided on the other side of the base plate (2). The movable end of the pusher cylinder (3) is connected to a pusher plate (4) arranged parallel to the base plate (2). The base plate (2) is also provided with a guide mechanism (5) that is linked to the pusher plate (4). The guide mechanism (5) cooperates with the pusher cylinder (3) to make the pusher plate (4) move back and forth in a straight line, thereby pushing the injection molded product that falls on the base plate (2) out of the discharge outlet.

2. The automatic ejection device for injection molded products according to claim 1, characterized in that, The pusher cylinder (3) is fixed on the base plate (2) by a bracket (31). The pusher cylinder (3) and the pusher plate (4) are arranged perpendicular to each other. There are two guide mechanisms (5) respectively located at both ends of the pusher plate (4).

3. The automatic ejection device for injection molded products according to claim 2, characterized in that, The guiding mechanism (5) includes a guide rod (51), both ends of which are fixed to the base plate (2) by positioning plates (52), and the end of the pusher plate (4) is slidably connected to the guide rod (51) by a linear bearing (53).

4. The automatic ejection device for injection molded products according to claim 3, characterized in that, The two guide rods (51) are arranged parallel to each other and parallel to the pusher cylinder (3), and the pusher cylinder (3) is located in the middle of the pusher plate (4).

5. The automatic ejection device for injection molded products according to claim 4, characterized in that, One of the guide rods (51) has a limit switch (6) fixed at both ends on the outer side, and the limit switch (6) is linked to the pusher cylinder (3).

6. An automatic ejection device for injection-molded products according to any one of claims 2-5, characterized in that, Speed ​​control valves (32) are provided at both the air inlet and outlet of the pusher cylinder (3).

7. The automatic ejection device for injection-molded products according to claim 6, characterized in that, The direction of movement of the pusher plate (4) is perpendicular to the conveying direction of the injection molding machine frame (1).

Images