Plastic lens injection molding device

Abstract

The utility model discloses a plastic lens injection molding device which comprises a stock bin, a feeding port and a discharging port are formed in the upper end and the lower end of the stock bin respectively, a forward and reverse motor is arranged in the middle of the upper surface of the stock bin, the stock bin is provided with a screw rod, the screw rod is connected with the forward and reverse motor and fixedly connected with a stirring rod, and a moving device is arranged at the lower end of the stirring rod. According to the utility model, the phenomenon that raw materials are stuck can be prevented, and the injection molding effect of the lens is enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical lenses, and in particular relates to a plastic lens injection molding device. Background Art

[0002] The injection molding device is generally an injection molding machine or injection machine. It is the main molding equipment for using plastic molding molds to make plastic products of various shapes of thermoplastic plastics or thermosetting plastics. It is divided into vertical, horizontal, and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it ejected and fill the mold cavity.

[0003] In existing injection molding devices, raw materials may get stuck during feeding, resulting in insufficient injection molding material and the production of defective products. Utility Model Content

[0004] The purpose of the present utility model is to provide a plastic lens injection molding device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a plastic lens injection molding device, comprising a silo, wherein the upper and lower ends of the silo are respectively provided with a feed port and a discharge port, a forward and reverse motor is provided in the middle of the upper surface of the silo, the silo is provided with a screw, the screw is connected to the forward and reverse motor, the screw is fixedly connected to a stirring rod, and a moving device is provided at the lower end of the stirring rod.

[0006] Preferably, the moving device includes a conical cylinder, which is threadedly connected to the screw, and the lower end of the conical cylinder is connected to a thin rod. The left and right sides of the conical cylinder are each connected to a connecting rod 2, and a slide groove is provided in the connecting rod 2. The slide groove is connected to one end of the connecting rod 1, and the other end of the connecting rod 1 is hinged to the inner wall of the silo.

[0007] Preferably, two connecting plates are provided on the front and rear sides of the left and right inner walls of the silo, and the connecting rod is rotated between the two connecting plates by a pin shaft.

[0008] Preferably, the forward and reverse rotation time of the forward and reverse motor is set according to the up and down movement distance of the conical barrel on the screw.

[0009] The technical effects and advantages of the utility model are as follows: the rotation of the forward and reverse motor drives the stirring rod to rotate, thereby preventing the raw materials from getting stuck, and the thin rod provided can further enhance the effect of the raw materials entering the heating device smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the utility model;

[0011] Figure 2 For this utility model Figure 1 , Part A is an enlarged structural diagram.

[0012] In the figure: 100 silo, 110 feed port, 120 discharge port, 200 forward and reverse motor, 210 screw, 220 stirring rod, 300 connecting rod 1, 310 connecting rod 2, 320 connecting plate, 330 pin shaft, 400 tapered cylinder, 410 thin rod. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0014] The utility model provides Figure 1-2 A plastic lens injection molding device shown in the figure comprises a hopper 100, wherein the upper and lower ends of the hopper 100 are respectively provided with a feed port 110 and a discharge port 120, a forward and reverse motor 200 is provided in the middle of the upper surface of the hopper 100, and the hopper (100) is provided with a screw 210, the screw 210 is connected to the forward and reverse motor 200, the screw 210 is fixedly connected to a stirring rod 220, and a moving device is provided at the lower end of the stirring rod 220.

[0015] Among them, the discharge port 120 is connected to the heating device of the injection molding device. The forward and reverse motor 200 drives the stirring rod 220 to rotate, which can prevent the raw materials from getting stuck in the discharge port 120 to a certain extent.

[0016] In some specific embodiments of the present invention, the moving device includes a conical cylinder 400, which is threadedly connected to the screw 210, and the lower end of the conical cylinder 400 is connected to a thin rod 410. The left and right sides of the conical cylinder 400 are each connected to a connecting rod 2 310, and a slide groove is provided in the connecting rod 2 310, which is connected to one end of the connecting rod 1 300, and the other end of the connecting rod 1 300 is hinged to the inner wall of the silo 100.

[0017] In some specific embodiments of the present invention, two connecting plates 320 are respectively provided on the front and rear sides of the left and right inner walls of the silo 100 , and the connecting rod 300 rotates between the two connecting plates 320 using a pin 330 .

[0018] The forward and reverse rotation of the screw 210 drives the conical barrel 400 to move up and down on the screw 210, and then the thin rod 410 can move back and forth up and down at the discharge port 120, avoiding the situation where the raw materials are stuck at the discharge port 120.

[0019] In some specific embodiments of the present invention, the forward and reverse rotation time of the forward and reverse motor 200 is set according to the up and down movement distance of the conical cylinder 400 on the screw 210.

[0020] The forward and reverse rotation time of the motor 200 is set according to the thin rod 410 being able to extend into the discharge port 120, the connecting rod 1 300 not being separated from the chute of the connecting rod 2 310, and the conical barrel 400 not being able to leave the screw 210. The reverse rotation time is set in the same way.

[0021] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A plastic lens injection molding device, comprising a silo (100), characterized in that: The upper and lower ends of the silo (100) are respectively provided with a feed port (110) and a discharge port (120); a forward and reverse motor (200) is provided in the middle of the upper surface of the silo (100); the silo (100) is provided with a screw (210); the screw (210) is connected to the forward and reverse motor (200); the screw (210) is fixedly connected to a stirring rod (220); and a moving device is provided at the lower end of the stirring rod (220).

2. A plastic lens injection molding device according to claim 1, characterized in that: The moving device includes a conical cylinder (400), the conical cylinder (400) is threadedly connected to the screw (210), the lower end of the conical cylinder (400) is connected to a thin rod (410), the left and right sides of the conical cylinder (400) are respectively connected to a connecting rod 2 (310), a sliding groove is provided in the connecting rod 2 (310), the sliding groove is connected to one end of the connecting rod 1 (300), and the other end of the connecting rod 1 (300) is hinged on the inner wall of the silo (100).

3. The plastic lens injection molding device according to claim 2, characterized in that: Two connecting plates (320) are respectively provided on the front and rear sides of the left and right inner walls of the silo (100), and the connecting rod (300) rotates between the two connecting plates (320) using a pin (330).

4. The plastic lens injection molding device according to claim 3, characterized in that: The forward and reverse rotation time of the forward and reverse motor (200) is set according to the vertical movement distance of the conical barrel (400) on the screw (210).

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