Quantitative injection molding machine

Abstract

The utility model provides a quantitative injection molding machine, which relates to the technical field of injection molding machines and comprises a case, a feeding hopper is fixed at the top end of the case, a treatment box is fixed at the bottom end of the case, a discharging box is fixed at the bottom end of the treatment box, and a discharging pipe is fixed at the bottom end of the discharging box. And a quantitative structure capable of controlling quantitative feeding of the injection molding machine is arranged in the machine box, a second motor is arranged in the treatment box, and an auger is fixed to the output end of the second motor. Through operation of a first motor, a rotating column can be driven to rotate, so that a plurality of partition plates uniformly distributed on the outer wall of the rotating column are driven to rotate by taking the rotating column as the center, and when the device is used for carrying out injection molding on a polystyrene foam end cap mold, the amount of plastic particles stored between every two partition plates can be adjusted according to the amount of the plastic particles stored between every two partition plates; and the quantity of plastic particles entering the treatment box is controlled, so that the quantity of plastic in the treatment box is controlled, quantitative injection molding can be realized, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to a quantitative injection molding machine. Background Art

[0002] Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics 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 eject and fill the mold cavity. The injection molding machine is needed to process the foam end caps.

[0003] At present, an injection molding machine in the prior art does not have a structure for quantitative glue discharge when performing injection molding on the foam rubber end cap. When performing injection molding on the foam rubber end cap mold, the problem of excessive injection leading to plastic overflow may occur. It is not convenient to control the amount of feed, the processing is not precise enough, and the practicality is poor. Utility Model Content

[0004] The purpose of the utility model is to solve the problem of excessive injection molding leading to plastic overflow, inconvenience in controlling the amount of feed, and inaccurate processing in the prior art when injecting a foam end cap mold, and to propose a quantitative injection molding machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a quantitative injection molding machine, including a chassis, a feeding funnel is fixed to the top of the chassis, a processing box is fixed to the bottom of the chassis, a discharge box is fixed to the bottom of the processing box, a discharge pipe is fixed to the bottom of the discharge box, a quantitative structure capable of controlling the quantitative feeding of the injection molding machine is provided in the chassis, a second motor is provided in the processing box, an auger is fixed to the output end of the second motor, the bottom end of the auger passes through the processing box and the discharge box and is provided in the discharge pipe, and a heater is installed on the outer wall of the processing box.

[0006] Preferably, the quantitative structure includes a first motor arranged at one end of the processing box, the output end of the first motor passes through one side of the chassis and is fixed with a rotating column, a plurality of partition plates are evenly distributed on the outer wall of the rotating column, and a rotating groove matching the partition plates is opened in the chassis.

[0007] Preferably, a first support plate is fixed on the outer wall of the chassis, and the first motor is installed on the top of the first support plate.

[0008] Preferably, first connecting grooves are provided on both the upper and lower sides of the chassis, and the opposite ends of the two first connecting grooves are connected to the rotating groove, the first connecting groove at the top is connected to the feed funnel, and the first connecting groove at the bottom is connected to the processing box.

[0009] Preferably, the discharge box and the discharge pipe are both provided with a second connecting groove matching the auger, and mounting plates are fixed on the outer walls at both ends of the processing box.

[0010] Preferably, a second support plate is fixed on the inner wall of the processing box, the second motor is installed at the bottom end of the second support plate, a protective plate is fixed at the bottom end of the second support plate and is located outside the second motor, and the top end of the second support plate is provided with an angled surface.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] In the utility model, the operation of the first motor can drive the rotating column to rotate, thereby driving a plurality of partition plates evenly distributed on the outer wall of the rotating column to rotate around the rotating column. When the device is performing injection molding on the foam end cap mold, the amount of plastic particles stored between each two partition plates can be used to control the discharge from the first connecting groove opened at the bottom of the chassis, so as to control the amount of plastic particles entering the processing box, thereby controlling the amount of plastic in the processing box, and realizing quantitative injection molding, which is more practical. In addition, the device can drive the auger to rotate through the operation of the second motor. On the one hand, it can guide the plastic in the processing box to discharge it, and on the other hand, it can quickly guide the plastic to prevent it from being blocked, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional diagram of a quantitative injection molding machine is proposed for the utility model;

[0014] Figure 2 A cross-sectional view of a quantitative injection molding machine is proposed for the utility model;

[0015] Figure 3 A cross-sectional view of a processing box of a quantitative injection molding machine is proposed for the utility model;

[0016] Figure 4 The utility model provides a quantitative structural schematic diagram of a quantitative injection molding machine.

[0017] Legend: 1. Chassis; 2. Feed hopper; 3. Processing box; 4. Discharge box; 5. Discharge pipe; 6. Heater; 7. Mounting plate; 8. Dosing structure; 801. First motor; 802. Rotating column; 803. Partition plate; 804. Rotating trough; 9. First support plate; 10. First connecting trough; 11. Second motor; 12. Auger; 13. Second connecting trough; 14. Second support plate; 15. Protective plate. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0020] Embodiment 1, as Figure 1-4 As shown, the utility model provides a quantitative injection molding machine, including a chassis 1, a feeding funnel 2 is fixed to the top of the chassis 1, a processing box 3 is fixed to the bottom of the chassis 1, a discharge box 4 is fixed to the bottom of the processing box 3, a discharge pipe 5 is fixed to the bottom of the discharge box 4, a quantitative structure 8 capable of controlling the quantitative feeding of the injection molding machine is provided in the chassis 1, a second motor 11 is provided in the processing box 3, an auger 12 is fixed to the output end of the second motor 11, the bottom end of the auger 12 passes through the processing box 3 and the discharge box 4 and is provided in the discharge pipe 5, and a heater 6 is installed on the outer wall of the processing box 3.

[0021] The effect achieved by the entire embodiment 1 is that, through the setting of the feed funnel 2, the user can fill the feed funnel 2 with plastic particles in advance to avoid uninterrupted feeding, and through the setting of the quantitative structure 8, the amount of plastic required by the user can be controlled to be discharged into the processing box 3, and then the plastic particles are melted into plastic by heating by the heater 6. The operation of the second motor 11 drives the auger 12 to rotate, so that the auger 12 guides the plastic in the processing box 3 and discharges it from the discharge pipe 5, and the foam end cap mold is injection molded.

[0022] Embodiment 2, as Figure 1-4As shown, the quantitative structure 8 includes a first motor 801 arranged at one end of the processing box 3, the output end of the first motor 801 passes through one side of the chassis 1 and is fixed with a rotating column 802, a plurality of partition plates 803 are evenly distributed on the outer wall of the rotating column 802, a rotating groove 804 matching the partition plate 803 is opened in the chassis 1, a first supporting plate 9 is fixed on the outer wall of the chassis 1, the first motor 801 is installed on the top of the first supporting plate 9, the upper and lower sides of the chassis 1 are both provided with first connecting grooves 10, and the opposite ends of the two first connecting grooves 10 are connected to the rotating grooves. 804 is connected, the first connecting groove 10 at the top is connected with the feed funnel 2, the first connecting groove 10 at the bottom is connected with the processing box 3, the discharge box 4 and the discharge pipe 5 are provided with a second connecting groove 13 matching the auger 12, mounting plates 7 are fixed on the outer walls of both ends of the processing box 3, a second support plate 14 is fixed on the inner wall of the processing box 3, the second motor 11 is installed at the bottom end of the second support plate 14, the bottom end of the second support plate 14 is located on the outside of the second motor 11 and a protective plate 15 is fixed, and the top of the second support plate 14 is provided with an oblique angle.

[0023] The effect achieved by the entire embodiment 2 is that the operation of the first motor 801 can drive the rotating column 802 to rotate, thereby driving the multiple partition plates 803 evenly distributed on the outer wall of the rotating column 802 to rotate around the rotating column 802. When the device is performing injection molding on the foam end cap mold, the amount of plastic particles stored between every two partition plates 803 can be used to control the amount of plastic particles discharged from the first connecting groove 10 opened at the bottom of the chassis 1, so as to control the amount of plastic particles entering the processing box 3, thereby controlling the amount of plastic in the processing box 3, and realizing quantitative injection molding, which is more practical. In addition, the device can drive the auger 12 to rotate through the operation of the second motor 11. On the one hand, it can guide the plastic in the processing box 3 to discharge it, and on the other hand, it can quickly guide the plastic to prevent it from being blocked, which is more practical.

[0024] Working principle: When the device is used, first install the device on an external elevator through the mounting plate 7, then add plastic particles into the feed hopper 2, put the foam rubber end cap mold to be processed into the bottom end of the discharge pipe 5, and align the discharge pipe 5 with the foam rubber end cap mold through the operation of the external elevator. Then, the operation of the first motor 801 can drive the rotating column 802 to rotate, thereby driving the multiple partition plates 803 evenly distributed on the outer wall of the rotating column 802 to rotate around the rotating column 802. The device can align the foam rubber end cap mold with the foam rubber end cap mold. During injection molding, the amount of plastic particles stored between every two partition plates 803 can be used to control the amount of plastic particles discharged from the first connecting groove 10 opened at the bottom of the chassis 1, so as to control the amount of plastic particles entering the processing box 3. When a certain amount of plastic particles enters the processing box 3, the plastic particles are melted into plastic by heating by the heater 6. The operation of the second motor 11 drives the auger 12 to rotate, so that the auger 12 guides the plastic in the processing box 3 and discharges it from the discharge pipe 5, and the foam end cap mold is injection molded.

[0025] The wiring diagram of the first motor 801, the heater 6 and the second motor 11 in the present invention is common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the first motor 801, the heater 6 and the second motor 11 are not explained in detail.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A quantitative injection molding machine, comprising a chassis (1), characterized in that: A feeding funnel (2) is fixed to the top of the chassis (1), a processing box (3) is fixed to the bottom of the chassis (1), a discharging box (4) is fixed to the bottom of the processing box (3), a discharging pipe (5) is fixed to the bottom of the discharging box (4), a quantitative structure (8) capable of controlling the quantitative feeding of the injection molding machine is provided in the chassis (1), a second motor (11) is provided in the processing box (3), an auger (12) is fixed to the output end of the second motor (11), the bottom end of the auger (12) passes through the processing box (3) and the discharging box (4) and is provided in the discharging pipe (5), and a heater (6) is installed on the outer wall of the processing box (3).

2. A quantitative injection molding machine according to claim 1, characterized in that: The quantitative structure (8) comprises a first motor (801) arranged at one end of the processing box (3); the output end of the first motor (801) passes through one side of the chassis (1) and is fixed with a rotating column (802); a plurality of partition plates (803) are evenly distributed on the outer wall of the rotating column (802); and a rotating groove (804) matching the partition plates (803) is provided in the chassis (1).

3. A quantitative injection molding machine according to claim 2, characterized in that: A first support plate (9) is fixed on the outer wall of the chassis (1), and the first motor (801) is mounted on the top of the first support plate (9).

4. A quantitative injection molding machine according to claim 2, characterized in that: The upper and lower sides of the chassis (1) are both provided with first connecting grooves (10), and the opposite ends of the two first connecting grooves (10) are connected to the rotating groove (804), the first connecting groove (10) at the top end is connected to the feeding funnel (2), and the first connecting groove (10) at the bottom end is connected to the processing box (3).

5. A quantitative injection molding machine according to claim 1, characterized in that: The discharge box (4) and the discharge pipe (5) are both provided with a second connecting groove (13) matching the auger (12), and mounting plates (7) are fixed to the outer walls at both ends of the processing box (3).

6. A quantitative injection molding machine according to claim 1, characterized in that: A second support plate (14) is fixed on the inner wall of the processing box (3), the second motor (11) is installed at the bottom end of the second support plate (14), a protective plate (15) is fixed on the outside of the second motor (11) at the bottom end of the second support plate (14), and an oblique angle is provided at the top end of the second support plate (14).

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