CN205075264U - Feeding device for injection molding machine - Google Patents

Abstract

The utility model belongs to the technical field of injection moulding auxiliary assembly technique and specifically relates to indicate a feedway for injection molding machine, including the hopper, still include with the feed cylinder that the hopper is connected, wear to locate the pay-off screw rod of feed cylinder and be used for driving this pay-off screw rod and rotate the actuating mechanism of pay-off, the feed cylinder is provided with the radial feed inlet with the feed cylinder intercommunication, the discharge gate and the radial feed inlet intercommunication of hopper. The utility model adopts the charging barrel and the material screw rod to carry out forced feeding, so that the material in the hopper can not be blocked, and the material fed into the main gun barrel of the injection molding machine can be conveniently measured; the feeding screw is used for shearing and crushing materials in the feeding process, so that after the materials enter the main barrel, the main screw of the injection molding machine can feed the materials more easily, the abrasion and the damage of the main screw are avoided, the service life of the main screw is prolonged, the replacement of the main screw is reduced, and the production cost is reduced.

Description

Feeding device for injection molding machine

technical field

The utility model relates to the technical field of injection molding auxiliary equipment, in particular to a feeding device for an injection molding machine.

Background technique

Plastic injection molding is a method of producing plastic products. The injection mold is installed on the injection molding machine, and the molten plastic is injected into the mold of the plastic product under pressure, and cooled and formed to obtain various desired plastic parts. During injection molding, it is necessary to continuously supply raw materials into the barrel, and then the raw materials are conveyed and injected by the screw.

The existing feeding device, as shown in Figure 1, includes a hopper 01, a feed pipe 02 connected to the discharge port of the hopper 01, and the feed pipe 02 communicates with the feed port of the injection-molded gun barrel. This kind of feeding structure, firstly, it is easy to block the material at the discharge port of the hopper 01 and the feed pipe 02, especially the soft rubber material is seriously blocked; secondly, because the material falls into the barrel due to its own gravity, the The amount of material fed in the barrel cannot be measured, and it is not possible to conduct quantitative analysis on the production, and the control is poor; moreover, for some hard raw materials, directly entering the barrel will accelerate the wear of the screw, and the screw itself requires high precision and is expensive. Replacing the screw increases the cost of production. To sum up, the existing feeding device has obvious defects, and it is urgent to provide a better solution.

Contents of the invention

The technical problem to be solved by the utility model is to provide a feeding device for injection molding machines with compact structure and continuous and reliable feeding.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A feeding device for an injection molding machine, comprising a hopper, a barrel connected to the hopper, a feeding screw pierced through the barrel, and a drive mechanism for driving the feeding screw to rotate and feed, and the barrel is provided with A radial feed port communicated with the barrel, and the discharge port of the hopper communicates with the radial feed port.

Wherein, the barrel is provided with an installation top surface, the hopper is provided with a hopper bottom plate, and the hopper is fixed on the installation top surface through the hopper bottom plate.

Wherein, a connection plate is included, the barrel is provided with a left end installation surface, and the connection plate is connected to the left end installation surface.

Wherein, a mounting plate is also included, the barrel is provided with a right-end mounting surface, and the mounting plate is connected to the right-end mounting surface.

Wherein, the driving mechanism includes a motor arranged on the mounting plate, and the motor is drivingly connected to the feeding screw.

Wherein, the helical section of the feeding screw is a double helix structure.

Wherein, the hollow part of the barrel has a cylindrical structure.

Wherein, the hopper is provided with a transparent observation window.

The beneficial effects of the utility model:

In practical application, the discharge end of the barrel is connected with the feed outlet of the main gun barrel of the injection molding machine, the material in the hopper enters the barrel from the radial feed port, and the driving mechanism drives the feeding screw to rotate, and the feeding The screw forces the material into the main barrel of the injection molding machine. The utility model adopts a feeding barrel, and uses a feeding screw for forced feeding, so that the material in the hopper will not be blocked, and at the same time, it is convenient to measure the material sent into the main barrel of the injection molding machine; the feeding screw is in the process of feeding , to cut and crush the material, so that after the material enters the main barrel, the main screw of the injection molding machine can feed the material more easily, avoiding the wear and damage of the main screw, prolonging the service life of the main screw, reducing the replacement of the main screw, and reducing production cost.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of an existing feeding device in use.

Fig. 2 is a schematic diagram of the three-dimensional structure of the utility model in use.

Fig. 3 is a schematic diagram of the three-dimensional structure of the utility model.

Fig. 4 is an exploded schematic view of the three-dimensional structure of the present invention.

Fig. 5 is an exploded schematic view of the three-dimensional structure of the utility model after the hopper is hidden.

detailed description

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not limitations of the utility model.

As shown in Figures 2 to 5, a feeding device for an injection molding machine includes a hopper 1, a barrel 2 connected to the hopper 1, a feeding screw 3 pierced through the barrel 2, and a feeding screw 3 for driving the hopper. The feeding screw 3 is a driving mechanism for rotating the material. The barrel 2 is provided with a radial feed port 21 communicating with the barrel 2 . The discharge port of the hopper 1 communicates with the radial feed port 21 .

In practical application, the discharge end of the barrel 2 is connected with the feed outlet of the main gun barrel of the injection molding machine, the material in the hopper 1 enters the barrel 2 from the radial feed port 21, and the driving mechanism drives the feeding The screw rod 3 rotates, and the feeding screw rod 3 forces the material into the main barrel of the injection molding machine.

The utility model adopts the feeding barrel 2, and uses the feeding screw 3 to carry out forced feeding, so that the material in the hopper 1 will not be blocked, and at the same time, it is convenient to measure the material sent into the main gun barrel of the injection molding machine; the feeding screw 3 is in the During the feeding process, the material is cut and crushed, so that after the material enters the main barrel, the main screw of the injection molding machine can feed the material more easily, avoiding the wear and damage of the main screw, prolonging the service life of the main screw and reducing the wear and tear of the main screw. replacement, reducing production costs.

In this embodiment, the barrel 2 is provided with an installation top surface 22 , the hopper 1 is provided with a hopper bottom plate 11 , and the hopper 1 is fixed on the installation top surface 22 through the hopper bottom plate 11 . The installation top surface 22 plays the role of installation and bearing for the hopper 1, and the hopper 1 is fixed on the installation top surface 22 through the hopper bottom plate 11, which can be connected by screws, which is convenient for installation and disassembly.

In this embodiment, a connecting plate 4 is included, the barrel 2 is provided with a left-end mounting surface 23, and the connecting plate 4 is connected to the left-end mounting surface 23, which can be connected by screws, which is convenient for installation and disassembly, and a connecting plate is provided. 4. It is convenient to install and connect with the injection molding machine.

In this embodiment, a mounting plate 5 is also included. The barrel 2 is provided with a right mounting surface 24, and the mounting plate 5 is connected to the right mounting surface 24, which can be connected by screws to facilitate the installation and disassembly of the driving mechanism.

In this embodiment, the driving mechanism includes a motor 6 arranged on the mounting plate 5, and the motor 6 is drivingly connected with the feeding screw 3, and its control is simple, and installation and disassembly are convenient.

In this embodiment, the helical section of the feeding screw 3 has a double helix structure, so that the feeding screw 3 can feed stably.

In this embodiment, the hollow part of the barrel 2 has a cylindrical structure, which facilitates feeding, reduces friction between the material and the inner wall of the barrel 2, and prolongs the service life of the barrel 2 .

In this embodiment, the hopper 1 is provided with a transparent observation window, which is convenient for observing the reserve of material, and convenient for the operator to add material in time, so that the injection molding machine can work continuously.

The above-mentioned embodiment is a preferred implementation of the utility model. In addition, the utility model can also be realized in other ways. Any obvious replacement is within the scope of protection of the utility model without departing from the concept of the technical solution. Inside.

Claims (8)

1. A feeding device for an injection molding machine, comprising a hopper (1), characterized in that it also includes a barrel (2) connected to the hopper (1), and a feeding screw ( 3) and a driving mechanism for driving the feeding screw (3) to rotate, the barrel (2) is provided with a radial feeding port (21) communicating with the barrel (2), the hopper (1) The discharge port communicates with the radial feed port (21). 2. A feeding device for an injection molding machine according to claim 1, characterized in that: the barrel (2) is provided with an installation top surface (22), and the hopper (1) is provided with a hopper bottom plate (11 ), the hopper (1) is fixed on the installation top surface (22) through the hopper bottom plate (11). 3. A feeding device for an injection molding machine according to claim 1, characterized in that it includes a connecting plate (4), the barrel (2) is provided with a left end mounting surface (23), and the connecting plate ( 4) Connect with the left mounting surface (23). 4. A feeding device for an injection molding machine according to claim 2, characterized in that it further comprises a mounting plate (5), the barrel (2) is provided with a right end mounting surface (24), and the mounting plate (5) Connect with the right mounting surface (24). 5. A feeding device for injection molding machine according to claim 4, characterized in that: the driving mechanism includes a motor (6) arranged on the mounting plate (5), and the motor (6) is connected with the feeding screw (3) Drive connections. 6. The feeding device for injection molding machine according to claim 1, characterized in that: the helical section of the feeding screw (3) is a double helix structure. 7. A feeding device for an injection molding machine according to claim 1, characterized in that: the hollow part of the barrel (2) has a cylindrical structure. 8. The feeding device for injection molding machine according to claim 1, characterized in that: the hopper (1) is provided with a transparent observation window.