A feeding device for injection molding machine

Abstract

This invention relates to the field of injection molding machine loading and unloading technology, and in particular to a feeder-type feeding device for injection molding machine production. It includes a main frame and an adjusting motor installed inside the main frame. A horizontal feed pipe is fixedly mounted on the inner side of the main frame, and a laterally rotating cover is movably mounted at the outlet position outside the horizontal feed pipe. This feeder-type feeding device for injection molding machine production uses a transverse spiral extrusion method to inject material into the molding die, ensuring the stability of the injection volume. The laterally rotating cover, movably mounted at the outlet position outside the horizontal feed pipe, controls the tilting inclined template. The tilting inclined template closes the upper opening of the lower injection mold base, forming a closed chamber. The rotation method replaces the traditional lifting operation, resulting in a smaller overall operating range and more convenient loading and unloading operations.

Description

Technical Field

[0001] This invention relates to the field of material loading and unloading technology for injection molding machines, and in particular to a feeder-type feeding device for injection molding machine production and processing. Background Technology

[0002] Injection molding machines, also known as injection molding machines or injection presses, are the main molding equipment that heats plastic, applies high pressure to the molten plastic, and injects it to fill the mold cavity. They are used to mold thermoplastic or thermosetting materials into various shapes of plastic products using plastic molds. Based on their structure, injection molding machines can be divided into vertical, horizontal, and combined vertical-horizontal types.

[0003] Current injection molding machines use direct injection into the molding cavity for feeding operations. Controlling the injection volume per unit time is troublesome and the operating methods are limited. After cooling and molding, the material is separated and discharged. Because the mold opening is designed to be top-mounted, the discharge operation is very troublesome, time-consuming and labor-intensive. At the same time, the discharge port is in contact with the outside for a long time, which can easily lead to the cooling and blockage of the material inside. Summary of the Invention

[0004] The technical problem this invention aims to solve is that the current injection molding machine has a complicated injection volume control per unit time and limited operability. After cooling and molding, the material is separated and discharged. Because the mold opening is designed to be top-mounted, the discharge operation is very troublesome, time-consuming and labor-intensive. At the same time, the discharge port is in contact with the outside for a long time, which can easily lead to the cooling and blockage of the raw material inside.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a feeding device for injection molding machine production and processing, including a main frame and an adjusting motor installed inside the main frame. A horizontal feeding pipe is fixedly mounted on the inner side of the main frame. A laterally rotating cover is movably mounted at the discharge port position on the outer side of the horizontal feeding pipe. A flipping inclined template is fixed on the outer side of the laterally rotating cover. A horizontal support pipe is fixed on the inner side of the main frame below the horizontal feeding pipe. An external control pipe controlled by the adjusting motor is sleeved on the outer side of the horizontal support pipe. An external mounting frame for mounting a lower injection mold base is fixed on the outer side of the external control pipe. An electrically controlled spiral extrusion blade is movably mounted inside the horizontal feeding pipe. A built-in electric heating plate is fixed on the inner side of the laterally rotating cover.

[0006] The upper surface of the horizontal supply pipe is fixed with an upper feed pipe on the right side, and the left side opening of the horizontal supply pipe is provided with a lateral discharge port. The outer arc surface of the horizontal supply pipe is provided with an annular sinking groove at the position of the lateral discharge port.

[0007] The lateral rotating cover is fitted inside the annular sinking trough through the feed inlet and is movably connected to the horizontal supply pipe. An external fixing seat for installing an external control motor is fixed on the outer side of the horizontal supply pipe. The arc-shaped surface of the lateral rotating cover has an arc-shaped adjusting rack that cooperates with the external control motor.

[0008] The inner arc-shaped surface of the lateral rotating cover is provided with an arc-shaped discharge port that communicates with the interior of the flip-type inclined template.

[0009] An annular control tooth groove is provided on the outer side of the external control tube, and the adjustment motor is connected to the external control tube by inserting the control gear on the adjustment shaft into the annular control tooth groove.

[0010] A bottom collection box is fixedly mounted on the bottom surface of the main frame.

[0011] The inner side of the horizontal supply pipe has a lateral arc-shaped sealing cover that matches the arc-shaped discharge port.

[0012] An outer synchronous ring is fixed on the outer side of the flip-type inclined template, and an annular guide groove that cooperates with the outer synchronous ring is opened on the outer side of the horizontal supply pipe. An arc-shaped synchronous rack that cooperates with the arc-shaped adjusting rack is on the outer arc-shaped surface of the outer synchronous ring.

[0013] The electrically controlled spiral extrusion blade includes an external rotating motor fixed on the outer side of the main frame, a horizontal rotating shaft movably assembled inside the horizontal supply pipe, and spiral drive blades fixed on the outside of the horizontal rotating shaft.

[0014] A pressure control module is fixed on the side wall of the flip-type inclined template.

[0015] The beneficial effects of this invention are:

[0016] (1) The feeding device for injection molding machine production and processing of the present invention injects material into the mold by adopting a transverse spiral extrusion method, which can ensure the stability of the injection amount;

[0017] (2) A lateral rotating cover for controlling the flip-type inclined template is movably installed at the outlet position outside the horizontal supply pipe. The flip-type inclined template closes the upper opening of the lower injection mold base to form a closed chamber. The rotation method replaces the traditional lifting operation, resulting in a smaller overall operating range and more convenient loading and unloading operations.

[0018] (3) The design of gravity support after cooling and molding eliminates the need for manual operation;

[0019] (4) By using a built-in electric heating plate fixed on the inner side of the side-rotating cover, the raw material at the arc-shaped discharge port can be heated to improve the activity of the raw material and enhance the injection efficiency.

[0020] (5) The inner side of the horizontal supply pipe has a lateral arc-shaped sealing cover that matches the arc-shaped discharge port, thereby controlling the opening and closing of the arc-shaped discharge port on the inner arc-shaped surface of the lateral rotating cover, and avoiding long-term contact with the outside during idle time, which may cause blockage.

[0021] (6) The lower injection mold base can be installed and removed through the external mounting frame on the outer side of the external control tube. A flip-type inclined template can be detachably installed on the outer side of the side flip-type cover, which is convenient for replacement and improves the scope of application. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a schematic diagram of the structure of the present invention.

[0024] Figure 2 This is a side view of the present invention.

[0025] Figure 3 This is a schematic diagram of the internal structure of the horizontally placed supply pipe, the side-rotating cover, and the flip-up inclined template in the assembled state of the present invention.

[0026] Figure 4 This is a schematic diagram of the internal structure of the lower injection mold base in this invention. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0028] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" 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. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0029] Figure 1 , Figure 2 , Figure 3 and Figure 4The invention described is a feeder for injection molding machine production, comprising a main frame 1 and an adjusting motor 2 installed inside the main frame 1. A horizontal feed pipe 3 is fixedly mounted on the inner side of the main frame 1. A laterally rotating cover 4 is movably mounted at the discharge port position on the outer side of the horizontal feed pipe 3. A tilting inclined template 5 is fixed on the outer side of the laterally tilting cover 4. A horizontal support pipe 6 is fixed on the inner side of the main frame 1 below the horizontal feed pipe 3. An external control pipe 7 controlled by the adjusting motor 2 is sleeved on the outer side of the horizontal support pipe 6. An external mounting frame 9 for mounting a lower injection mold base 8 is fixed on the outer side of the external control pipe 7. An electrically controlled spiral extrusion blade 10 is movably mounted inside the horizontal feed pipe 3. An internal electric heating plate 11 is fixed on the inner side of the laterally rotating cover 4.

[0030] The regulating motor 2 and the built-in electric heating plate 11 are both existing technologies. The built-in electric heating plate 11 is installed inside the side-rotating cover 4 and heats and softens the raw material at the feeding end.

[0031] To facilitate lateral assembly, an upper feed pipe 12 is fixed on the right side of the upper surface of the horizontal supply pipe 3, a lateral discharge port is opened on the left side of the horizontal supply pipe 3, and an annular sinking groove is opened on the outer arc surface of the horizontal supply pipe 3 at the position of the lateral discharge port.

[0032] In order to adjust the angle of the lateral rotating cover 4, the lateral rotating cover 4 is fitted inside the annular sink trough through the feed port and is movably connected to the horizontal supply pipe 3. An external fixing seat 14 for installing an external control motor 13 is fixed on the outer side of the horizontal supply pipe 3. An arc-shaped adjusting rack 15 that cooperates with the external control motor 13 is on the outer arc surface of the lateral rotating cover 4.

[0033] The external control motor 13 is existing technology, which drives the side-rotating cover 4 to rotate and adjust.

[0034] To facilitate material feeding, an arc-shaped discharge port 16 is provided on the inner arc-shaped surface of the lateral rotating cover 4, which is connected to the interior of the flip-type inclined template 5.

[0035] In order to facilitate the rotation adjustment of the external control tube 7, an annular control tooth groove 17 is provided on the outer side of the external control tube 7. The adjustment motor 2 is connected to the external control tube 7 by inserting the control gear 18 on the adjustment shaft into the annular control tooth groove 17.

[0036] To facilitate bottom material collection, a bottom material collection box 19 is fixedly installed on the bottom surface of the main frame 1.

[0037] Liquid is injected into the bottom collection box 19 to reduce the bottom buffering effect after the finished product slips out.

[0038] In order to facilitate the closure of the arc-shaped discharge port 16 when the lateral rotating cover 4 rotates, the inner side of the horizontal supply pipe 3 has a lateral arc-shaped sealing cover 20 that matches the arc-shaped discharge port 16.

[0039] After the lateral rotating cover 4 rotates, the flip-up inclined template 5 separates from the lower injection mold base 8. At this time, the arc-shaped discharge port 16 rotates to the inside of the lateral arc-shaped sealing cover 20, thereby closing the arc-shaped discharge port 16.

[0040] To improve adjustment stability, an outer synchronous ring 21 is fixed on the outer side of the flip-type inclined template 5, and an annular guide groove that cooperates with the outer synchronous ring 21 is opened on the outer side of the horizontal supply pipe 3. The outer arc surface of the outer synchronous ring 21 has an arc-shaped synchronous rack 22 that cooperates with the arc-shaped adjustment rack 15.

[0041] Adjusting gears are axially mounted on both sides of the control shaft of the external control motor 13. The adjusting gears on both sides of the control shaft of the external control motor 13 mesh with the arc-shaped adjusting rack 15 and the arc-shaped synchronous rack 22 respectively.

[0042] To facilitate the electronically controlled rotation adjustment, the electronically controlled spiral extrusion blade 10 includes an external rotating motor 101 fixed on the outer side of the main frame 1, a horizontal rotating shaft 102 movably assembled inside the horizontal supply pipe 3, and a spiral drive blade 103 fixed on the outer side of the horizontal rotating shaft 102.

[0043] The external rotating motor 101 is existing technology. It drives the horizontal rotating shaft 102 and the spiral drive blade 103 to rotate by inserting the rotating shaft into the horizontal rotating shaft 102 and fixing it axially. This controls the raw material to be squeezed from the upper feed pipe 12 into the arc-shaped discharge port 16.

[0044] To facilitate electronic adjustment, a pressure control module 23 is fixed on the side wall of the flip-type inclined template 5.

[0045] The pressure control module 23 is existing technology and has a two-section structure design. One section is used to detect the contact state between the flip-type inclined template 5 and the lower injection mold base 8, while the other section is located inside the lower injection mold base 8 and is used to monitor the injection volume inside the lower injection mold base 8 for convenient electric control.

[0046] Working principle: An external control pipe 7, controlled by an adjusting motor 2, is sleeved on the outside of the horizontal support pipe 6. The external control pipe 7 drives the lower injection mold base 8 on its outside to rotate. When the lower injection mold base 8 rotates to below the horizontal supply pipe 3, the external control motor 13 drives the lateral rotating cover 4 to rotate, which in turn drives the flipping inclined template 5 to flip, thus pre-flipping to the outer opening position of the lower injection mold base 8. When the lower injection mold base 8 rotates to the position of the flipping inclined template 5, the flipping inclined template 5 closes the outer opening of the lower injection mold base 8, thus forming a sealed chamber. Then, the electrically controlled spiral extrusion blades 10 inside the horizontal supply pipe 3 guide the raw material into the sealed chamber. When the pressure value reaches the standard, the external control motor 13 drives the lateral rotating cover 4 to rotate in the opposite direction, causing the lower injection mold base 8 and the flipping inclined template 5 to separate. In this way, the lower injection mold base 8, driven by the external control pipe 7, slides the cooled and molded product into the bottom collection box 19, completing the separation.

[0047] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A feeding device for injection molding machine production, comprising a main frame (1) and a regulating motor (2) installed inside the main frame (1), characterized in that: A horizontal supply pipe (3) is fixedly mounted on the inner side of the main frame (1). A lateral rotating cover (4) is movably mounted at the discharge port position on the outer side of the horizontal supply pipe (3). A flip-type inclined template (5) is fixed on the outer side of the lateral rotating cover (4). A horizontal support pipe (6) is fixed on the inner side of the main frame (1) below the horizontal supply pipe (3). An external control pipe (7) controlled by an adjusting motor (2) is sleeved on the outer side of the horizontal support pipe (6). An external mounting frame (9) for installing a lower injection mold base (8) is fixed on the outer side of the external control pipe (7). An electrically controlled spiral extrusion blade (10) is movably mounted inside the horizontal supply pipe (3). A built-in electric heating plate (11) is fixed on the inner side of the lateral rotating cover (4).

2. The feeding device for injection molding machine according to claim 1, characterized in that: The upper surface of the horizontal supply pipe (3) is fixed with an upper feed pipe (12) on the right side. The horizontal supply pipe (3) has a side discharge port on the left side. The outer arc surface of the horizontal supply pipe (3) has an annular sinking groove at the side discharge port.

3. The feeding device for injection molding machine according to claim 1, characterized in that: The lateral rotating cover (4) is connected to the horizontal supply pipe (3) through the feed inlet inside the annular sinking groove. An external fixing seat (14) for installing an external control motor (13) is fixed on the outer side of the horizontal supply pipe (3). The outer arc surface of the lateral rotating cover (4) has an arc-shaped adjusting rack (15) that cooperates with the external control motor (13).

4. The feeding device for injection molding machine according to claim 1, characterized in that: The horizontal supply pipe (3) has an arc-shaped discharge port (16) on its inner arc surface that is connected to the inside of the flip-type inclined template (5).

5. The feeding device for injection molding machine according to claim 1, characterized in that: The outer side of the external control tube (7) is provided with an annular control tooth groove (17), and the adjustment motor (2) is connected to the external control tube (7) by inserting the control gear (18) on the adjustment shaft into the annular control tooth groove (17).

6. The feeding device for injection molding machine according to claim 1, characterized in that: A bottom collection box (19) is fixedly assembled on the inner bottom surface of the main frame (1).

7. A feeding device for injection molding machine according to claim 4, characterized in that: The inner side of the lateral rotating cover (4) has a lateral arc-shaped sealing cover (20) that matches the arc-shaped discharge port (16).

8. The feeding device for injection molding machine according to claim 3, characterized in that: An outer synchronous ring (21) is fixed on the outer side of the flip-type inclined template (5), and an annular guide groove that cooperates with the outer synchronous ring (21) is opened on the outer side of the horizontal supply pipe (3). An arc-shaped synchronous rack (22) that cooperates with the arc-shaped adjusting rack (15) is on the outer arc-shaped surface of the outer synchronous ring (21).

9. The feeding device for injection molding machine according to claim 1, characterized in that: The electrically controlled spiral extrusion blade (10) includes an external rotating motor (101) fixed on the outer side of the main frame (1), a horizontal rotating shaft (102) movably assembled inside the horizontal supply pipe (3), and a spiral drive blade (103) fixed on the outer side of the horizontal rotating shaft (102).

10. The feeding device for injection molding machine according to claim 1, characterized in that: A pressure control module (23) is fixed on the side wall of the flip-type inclined template (5).

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