Powdered material discharge system

Abstract

The utility model discloses a kind of powder material discharging systems, it is related to injection molding technical field, main purpose is to improve the discharging smoothness of storage bin, avoid discharging difficulty.The main technical scheme of the utility model is as follows: powder material discharging system, the system includes: storage bin, discharging cone and first stirring paddle;The bottom wall of the storage bin is uniformly distributed with a plurality of discharge ports;The discharging cone is coaxially arranged in the inside of the storage bin, and there is a gap between the circumference of the discharging cone and the inside wall of the storage bin;The first stirring paddle is arranged between the discharging cone and the bottom wall of the storage bin.

Description

Technical Field

[0001] This utility model relates to the field of injection molding technology, and in particular to a powder material discharge system. Background Technology

[0002] Injection molding is a method of shaping industrial products. Products are usually made using rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding compression molding and die casting. An injection molding machine (or injection molding machine for short) is the main molding equipment that uses plastic molds to make plastic products of various shapes from thermoplastic or thermosetting materials. Injection molding is achieved through an injection molding machine and a mold.

[0003] After plastic granules are unpacked, they often need to be pre-stored before transportation. Before transportation, the material needs to be discharged. Existing storage silos are prone to causing the material to sink and clump together at the bottom. When unpacking, some of the material itself will clump together, which will eventually lead to difficulties in discharging and require workers to clean and assist in discharging frequently. Utility Model Content

[0004] In view of this, the present invention provides a powder material discharge system, the main purpose of which is to improve the smoothness of material discharge from the storage bin and avoid discharge difficulties.

[0005] To achieve the above objectives, this utility model mainly provides the following technical solutions:

[0006] This utility model provides a powder material discharge system, which includes: a storage bin, a discharge cone and a first stirring paddle;

[0007] The bottom wall of the storage bin is evenly distributed with multiple discharge ports;

[0008] The discharge cone is coaxially disposed inside the storage chamber, and there is a gap between the periphery of the discharge cone and the inner sidewall of the storage chamber;

[0009] The first stirring paddle is disposed between the discharge cone and the bottom wall of the storage bin.

[0010] The purpose of this utility model and the technical problems to be solved can be further achieved by the following technical measures.

[0011] Optionally, the discharge cone is fixedly connected to the inner wall of the storage bin via a bracket.

[0012] Optionally, it also includes a disc, a second stirring paddle, and a stirring shaft. The discharge cone includes an upper discharge cone and a lower discharge frustum arranged coaxially. The disc is coaxially rotatably disposed between the upper discharge cone and the lower discharge frustum. The second stirring paddle is fixedly connected to the circumferential side of the disc. The stirring shaft is fixedly connected to the first stirring paddle and the disc. The stirring shaft is coaxially rotatably connected to the lower discharge frustum.

[0013] Optionally, the circumferential surface of the disk and the circumferential surface of the discharge cone have the same inclination angle.

[0014] Optionally, a mixing mechanism is also included, which includes a central shaft and a plurality of third stirring paddles. The central shaft is coaxially rotatably disposed in the internal space of the storage chamber above the discharge cone, and the plurality of third stirring paddles are sequentially fixedly connected to the side of the central shaft.

[0015] Optionally, it also includes a conveying unit, which includes a discharge pipe and a screw conveying mechanism. One end of the discharge pipe is connected to the discharge port, and the other end is connected to the inlet of the screw conveying mechanism.

[0016] Optionally, the top wall of the storage compartment is provided with a feeding port.

[0017] Optionally, the conveying unit further includes a control valve, which is installed on the discharge pipe.

[0018] By employing the above technical solution, this utility model has at least the following advantages:

[0019] When the powdery material in the storage bin falls to the discharge cone, it slides down along the circumferential side of the discharge cone, passes through the gap between the periphery of the discharge cone and the inner side wall of the storage bin, and falls to the periphery of the bottom wall. Moreover, due to the presence of the first stirring paddle, the powdery material is subjected to centrifugal force generated by the stirring action, making it difficult for it to concentrate in the middle of the bottom wall of the storage bin, thus allowing the powdery material to quickly pass through multiple discharge ports.

[0020] The powdered material slides down the circumferential side of the discharge cone, which acts as a guide and improves the dispersion of the powder on the bottom wall of the storage bin. On the other hand, the stirring action of the first stirring paddle further improves the dispersion of the powdered material, avoids the phenomenon of material agglomeration at the bottom of the storage bin, and thus improves the smoothness of material discharge. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure for discharging powdered materials according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure for discharging powdered materials according to an embodiment of the present invention;

[0023] Figure 3 for Figure 2 Enlarged view of section A.

[0024] The reference numerals in the accompanying drawings include: storage bin 1, discharge cone 2, first agitator 3, discharge port 4, first drive motor 5, bracket 6, disc 7, second agitator 8, agitator shaft 9, upper discharge cone 201, lower discharge frustum 202, central shaft 10, third agitator 11, discharge pipe 12, screw conveyor mechanism 13, feeding port 14, and control valve 15. Detailed Implementation

[0025] To further illustrate the technical means and effects adopted by this utility model to achieve its intended purpose, the specific implementation methods, structures, features, and effects according to this utility model application are described in detail below with reference to the accompanying drawings and preferred embodiments. In the following description, different "embodiments" or "embodiments" do not necessarily refer to the same embodiment. Furthermore, specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0027] like Figure 1 As shown, an embodiment of the present invention provides a powder material discharge system, which includes: a storage bin 1, a discharge cone 2 and a first stirring paddle 3;

[0028] The bottom wall of the storage chamber 1 is evenly distributed with multiple discharge ports 4;

[0029] The discharge cone 2 is coaxially disposed inside the storage chamber 1, and there is a gap between the periphery of the discharge cone 2 and the inner sidewall of the storage chamber 1;

[0030] The first stirring paddle 3 is disposed between the discharge cone 2 and the bottom wall of the storage bin 1.

[0031] The working process of a powder material discharge system is as follows:

[0032] When the powdery material in the storage bin 1 falls to the discharge cone 2, it slides down along the circumferential side of the discharge cone 2, passes through the gap between the periphery of the discharge cone 2 and the inner side wall of the storage bin 1, and falls to the periphery of the bottom wall. Moreover, due to the presence of the first stirring paddle 3, the powdery material is subjected to centrifugal force generated by the stirring action, making it difficult to concentrate in the middle of the bottom wall of the storage bin 1, thereby allowing the powdery material to quickly pass through multiple discharge ports 4.

[0033] The powdered material slides down the circumferential side of the discharge cone 2, which improves the dispersion of the powder on the bottom wall of the storage bin 1. On the other hand, the stirring action of the first stirring paddle 3 further improves the dispersion of the powdered material, avoids the phenomenon of material agglomeration at the bottom of the storage bin 1, and thus improves the smoothness of material discharge.

[0034] Specifically, it also includes a first drive motor 5, which is fixedly installed at the center of the bottom wall of the storage chamber 1. The output shaft of the first drive motor 5 passes through the bottom wall of the storage chamber 1 and is fixedly connected to the first stirring paddle 3. The diameter of the first stirring paddle 3 is the same as the bottom diameter of the discharge cone 2.

[0035] like Figure 1 As shown, in a specific embodiment, the discharge cone 2 is fixedly connected to the inner wall of the storage bin 1 by a bracket 6.

[0036] In this embodiment, specifically, the discharge cone 2 is fixedly connected to the inner wall of the storage chamber 1 by the bracket 6, which can ensure the stability of the coaxial arrangement of the discharge cone 2 and the storage chamber 1, thereby keeping the gap between the periphery of the discharge cone 2 and the inner wall of the storage chamber 1 stable.

[0037] like Figure 2 and Figure 3 As shown, in a specific embodiment, it also includes a disc 7, a second stirring paddle 8, and a stirring shaft 9. The discharge cone 2 includes an upper discharge cone 201 and a lower discharge frustum 202 arranged coaxially. The disc 7 is coaxially rotatably disposed between the upper discharge cone 201 and the lower discharge frustum 202. The second stirring paddle 8 is fixedly connected to the circumferential side of the disc 7. The stirring shaft 9 is sequentially fixedly connected to the first stirring paddle 3 and the disc 7. The stirring shaft 9 is coaxially rotatably connected to the lower discharge frustum 202.

[0038] In this embodiment, specifically, the output shaft of the first drive motor 5 passes through the bottom wall of the storage chamber 1 and is coaxially connected to the stirring shaft 9. The first stirring paddle 3 and the disc 7 are respectively connected to the stirring shaft 9 with a flat key. The first drive motor 5 drives the first stirring paddle 3 to rotate, and at the same time drives the second stirring paddle 8 to rotate through the disc 7. The second stirring paddle 8 moves relative to the support 6 to shear the falling and agglomerated powdery material, further breaking down the powdery material, reducing the probability of the powdery material bridging and accumulating at the gaps, and promoting the smooth falling of the powdery material.

[0039] Specifically, the stirring shaft 9 is connected to the lower discharge frustum 202 and the upper discharge cone 201 via bearings.

[0040] like Figure 3 As shown, in a specific embodiment, the circumferential surface of the disk 7 and the circumferential surface of the discharge cone 2 have the same inclination angle.

[0041] In this embodiment, specifically, the peripheral side surface of the disc 7 and the peripheral side surface of the discharge cone 2 have the same inclination angle. In the generatric direction of the discharge cone 2, the solid surface in contact with the powdered material is relatively smooth, and the powdered material will not be resisted when it slides down the peripheral side surface of the discharge cone 2.

[0042] like Figure 1 or Figure 2 As shown, in a specific embodiment, a mixing mechanism is also included. The mixing mechanism includes a central shaft 10 and a plurality of third stirring paddles 11. The central shaft 10 is coaxially rotatably disposed in the internal space of the storage chamber 1 above the discharge cone 2. The plurality of third stirring paddles 11 are sequentially fixedly connected to the side of the central shaft 10.

[0043] In this embodiment, specifically, a second drive motor is also included. The second drive motor is fixedly installed at the center of the top wall of the storage chamber 1. The output shaft of the second drive motor passes through the top wall of the storage chamber 1 and is coaxially connected to the upper end of the central shaft 10. The lower end of the central shaft 10 is installed at the top of the discharge cone 2 through a bearing. The discharge cone 2 itself is fixedly connected to the inner wall of the storage chamber 1 through a bracket 6, thereby ensuring the stability of the rotation of the central shaft 10.

[0044] Specifically, a bearing sleeve is installed at the top of the discharge cone 2, and the lower end of the central shaft 10 is installed in the bearing sleeve through a bearing.

[0045] like Figure 1 or Figure 2 As shown, in a specific embodiment, a conveying unit is also included. The conveying unit includes a discharge pipe 12 and a screw conveying mechanism 13. One end of the discharge pipe 12 is connected to the discharge port 4, and the other end is connected to the inlet of the screw conveying mechanism 13.

[0046] In this embodiment, specifically, the outlet of the screw conveyor 13 is connected to the pulse conveying pipeline. Because the gas phase space of the screw conveyor 13 at its inlet and outlet is isolated by the material during the conveying of powdered materials, the pressure change in the pulse conveying pipeline will not affect the gas pressure change in the storage chamber 1.

[0047] like Figure 1 or Figure 2 As shown, in a specific embodiment, the top wall of the storage bin 1 is provided with a feeding port 14.

[0048] In this embodiment, specifically, the top wall of the storage chamber 1 is provided with two feeding ports 14. The two feeding ports 14 are symmetrical about the central axis 10. During the feeding process, the two feeding ports 14 are fed alternately to avoid the powdery material from being eccentrically accumulated on one side of the space inside the storage chamber 1.

[0049] like Figure 1 or Figure 2 As shown, in a specific embodiment, the conveying unit further includes a control valve 15, which is installed on the discharge pipe 12.

[0050] In this embodiment, the number of conveying units is the same as the number of discharge ports 4. Each discharge port 4 is connected to the discharge pipe 12 of one of the conveying units. The feeding amount of the screw conveyor mechanism 13 is controlled by adjusting the opening of the control valve 15.

[0051] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A powdered material discharge system, characterized in that, include: A storage bin, wherein multiple discharge ports are evenly distributed around the bottom circumference of the storage bin; A discharge cone is coaxially disposed inside the storage chamber, and there is a gap between the periphery of the discharge cone and the inner sidewall of the storage chamber. The first stirring paddle is disposed between the discharge cone and the bottom wall of the storage bin.

2. The powdered material discharge system according to claim 1, characterized in that, The discharge cone is fixedly connected to the inner wall of the storage bin via a bracket.

3. The powdered material discharge system according to claim 2, characterized in that, It also includes a disc, a second stirring paddle, and a stirring shaft. The discharge cone includes an upper discharge cone and a lower discharge frustum arranged coaxially. The disc is coaxially rotatably disposed between the upper discharge cone and the lower discharge frustum. The second stirring paddle is fixedly connected to the circumferential side of the disc. The stirring shaft is fixedly connected to the first stirring paddle and the disc. The stirring shaft is coaxially rotatably connected to the lower discharge frustum.

4. The powdered material discharge system according to claim 3, characterized in that, The circumferential surface of the disk and the circumferential surface of the discharge cone have the same inclination angle.

5. The powdered material discharge system according to any one of claims 1 to 4, characterized in that, It also includes a mixing mechanism, which includes a central shaft and multiple third stirring paddles. The central shaft is coaxially rotatably disposed in the internal space of the storage chamber above the discharge cone, and the multiple third stirring paddles are sequentially fixedly connected to the side of the central shaft.

6. The powdered material discharge system according to any one of claims 1 to 4, characterized in that, It also includes a conveying unit, which includes a discharge pipe and a screw conveyor mechanism. One end of the discharge pipe is connected to the discharge port, and the other end is connected to the inlet of the screw conveyor mechanism.

7. The powdered material discharge system according to any one of claims 1 to 4, characterized in that, The storage bin has a feeding port on its top wall.

8. The powdered material discharge system according to claim 6, characterized in that, The conveying unit also includes a control valve, which is installed on the discharge pipe.

Images