Injection molding storage device capable of preventing raw materials from caking

Abstract

The utility model discloses an injection molding storage device capable of preventing raw materials from caking. The injection molding storage device comprises a storage box and a pre-separation box, a feeding port is formed in one side, close to the upper end, of the pre-separation box, a conveying pipe is connected to the lower end of the pre-separation box, and the lower end of the conveying pipe extends to the lower end of one side of the storage box; a primary separation assembly is arranged in the pre-separation box, and a secondary separation assembly is arranged in the storage box. According to the primary separation assembly, a screening box is movably arranged in a pre-separation box, the inner bottom face of the screening box is a net plate, and the net plate inclines upwards from the end close to the storage box to the other end; rectangular through holes are formed in the side face, close to the storage box, of the screening box, and second rectangular through holes corresponding to the rectangular through holes are formed in the side face of the storage box; and a lifting structure is arranged between the screening box and the pre-separation box. According to the utility model, the external pre-separation box is arranged, so that agglomerated parts in raw materials can be screened out, and only the agglomerated parts are crushed, so that the crushing amount is small, and the crushing effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding technology, in particular to an injection molding material storage device for preventing raw materials from caking. Background Art

[0002] An injection machine, also known as an injection molding machine, is the main molding equipment for making various shaped plastic products from thermoplastic or thermosetting plastics using plastic molding dies. It usually consists of an injection system, a mold clamping system, a hydraulic transmission system, an electrical control system, a lubrication system, a heating and cooling system, a safety monitoring system, etc. The injection machine can heat the plastic, apply high pressure to the molten plastic, inject it to fill the mold cavity, and then form and eject it after processes such as cooling.

[0003] The material storage device of the injection machine is used to store raw materials. Due to the influence of temperature and humidity changes, stacking time, and the state of the raw materials themselves, the raw materials in the material storage device are prone to accumulate and cake, affecting the molten state and subsequent injection molding operations. In the prior art, an electric motor and stirring and crushing blades are usually arranged in the material storage device, but the part that the blades can contact is limited, and there will be omissions of the raw materials for crushing the caked materials, so the effect is not good, and there are limitations and room for improvement. Summary of the Utility Model

[0004] The utility model aims to solve the technical problem in the prior art that there are limitations in the way of crushing the caking of injection molding raw materials, and provides an injection molding material storage device for preventing raw materials from caking.

[0005] To solve the above technical problem, the technical solution provided by the utility model is: an injection molding material storage device for preventing raw materials from caking, including a material storage tank and a pre-separation tank; an inlet is provided on one side and near the upper end of the pre-separation tank, a material conveying pipe is connected to the lower end of the pre-separation tank, and the lower end of the material conveying pipe extends to the lower end of one side of the material storage tank;

[0006] A primary separation component is arranged in the pre-separation tank, and a secondary separation component is arranged in the material storage tank;

[0007] The primary separation component includes a screening box movably arranged in the pre-separation tank. The bottom surface of the screening box is a mesh plate and slopes upward from the end close to the material storage tank to the other end; a rectangular through hole is provided on the side of the screening box close to the material storage tank, and a rectangular through hole two corresponding to the rectangular through hole is provided on the side of the material storage tank; a lifting structure is arranged between the screening box and the pre-separation tank;

[0008] The secondary separation component includes a layer plate arranged in the material storage tank and higher than the discharge pipe. The top surface of the layer plate is funnel-shaped and a grid plate is provided in the middle; the inside of the material storage tank is hollow cylindrical; a crushing structure is arranged in the material storage tank and higher than the grid plate; the bottom surface of the material storage tank is inclined, and the lowest end is connected with a discharge pipe.

[0009] Preferably, the lifting structure includes a connecting rod provided on the screening box, and two hooks are provided on the connecting rod; two fixing plates are provided on the upper surface of the pre-separation box, a motor is provided on the outer side of one of the fixing plates, and the output end of the motor extends between the two fixing plates to be provided with a rotating rod, and two pulling ropes are wound on the rotating rod, and the lower ends of the pulling ropes are respectively connected to the corresponding hooks.

[0010] Preferably, through holes capable of accommodating the pulling ropes are provided on the pre-separation box.

[0011] Preferably, limiting sliders are provided on the front and rear sides of the screening box, and limiting sliding grooves capable of slidingly connecting with the limiting sliders are provided on the front and rear sides in the pre-separation box.

[0012] Preferably, the crushing structure includes a second motor provided at the upper end inside the storage box, a second rotating rod is provided at the output end of the second motor, a plurality of fixing rings are provided on the outer side of the second rotating rod, and a plurality of crushing blades are provided on the outer sides of the fixing rings.

[0013] Preferably, the lower end of the second rotating rod is rotatably connected to the grid plate.

[0014] The advantages of the present utility model compared with the prior art are as follows: The present storage device is provided with an externally attached pre-separation box, which can screen out the caked parts in the raw materials and only crush the caked parts, so that the crushing amount is small and the crushing effect is good; the raw materials after crushing are separated again through the grid plate, so that the raw materials that can reach the discharge pipe part are all qualified and non-caked. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the present utility model.

[0016] Figure 2 is a schematic diagram of the internal structure of the pre-separation box of the present utility model.

[0017] Figure 3 is a cross-sectional view of the pre-separation box of the present utility model.

[0018] Figure 4 is a cross-sectional view of the storage box of the present utility model.

[0019] Figure 5 is a top view of the storage box of the present utility model.

[0020] As shown in the figure: 1. Storage box, 2. Pre-separation box, 3. Feed inlet, 4. Conveyor pipe, 5. Screening box, 6. Rectangular through hole, 7. Second rectangular through hole, 8. Connecting rod, 9. Fixing plate, 10. Motor, 11. Rotating rod, 12. Pulling rope, 13. Through hole, 14. Laminate, 15. Grid plate, 16. Discharge pipe, 17. Second motor, 18. Second rotating rod, 19. Crushing blade. Detailed implementation mode

[0021] The following further describes the present utility model in detail with reference to the accompanying drawings.

[0022] Embodiment 1, in combination with the attached Figure 1 , an injection molding storage device for preventing raw materials from caking, including a storage tank 1 and a pre-separation tank 2; a feed port 3 is provided on one side and near the upper end of the pre-separation tank 2 for introducing raw materials, and a feed pipe 4 is connected to the lower end of the pre-separation tank 2, and the lower end of the feed pipe 4 extends to the lower end of one side of the storage tank 1, so as to transfer the non-caked raw materials separated in the pre-separation tank 2 into the storage tank 1.

[0023] In combination with the attached Figures 1-5 , a primary separation component is provided in the pre-separation tank 2, and a secondary separation component is provided in the storage tank 1.

[0024] In combination with the attached Figures 1-3 , the primary separation component includes a screening box 5 movably arranged in the pre-separation tank 2. The inner bottom surface of the screening box 5 is a mesh plate and slopes upward from the end close to the storage tank 1 to the other end, so that the non-caked raw materials fall onto the inner bottom surface of the pre-separation tank 2 through the mesh plate, and the caked raw materials are stacked along the inclined mesh plate to the lowest end; a rectangular through hole 6 is provided on the side of the screening box 5 close to the storage tank 1, and a rectangular through hole two 7 corresponding to the rectangular through hole 6 is provided on the side of the storage tank 1; the raw materials stacked at the bottom end in the screening box 5 can be discharged into the storage tank 1 along the corresponding rectangular through hole 6 and rectangular through hole two 7.

[0025] In combination with the attached Figure 2 , limiting slider blocks are provided on the front and rear side surfaces of the screening box 5, and limiting sliding grooves capable of slidingly connecting with the limiting slider blocks are provided on the front and rear side surfaces in the pre-separation tank 2; the moving path of the screening box 5 can be limited, and it is not easy to deviate and get stuck.

[0026] In combination with the attached Figures 1-2 , a lifting structure is provided between the screening box 5 and the pre-separation tank 2. The lifting structure includes a connecting rod 8 provided on the screening box 5, and two hanging hooks are provided on the connecting rod 8; two fixing plates 9 are provided on the upper surface of the pre-separation tank 2, and a motor 10 is provided outside one of the fixing plates 9. The output end of the motor 10 extends between the two fixing plates 9 and is provided with a rotating rod 11. Two pulling ropes 12 are wound on the rotating rod 11, and the lower ends of the pulling ropes 12 are respectively connected to the corresponding hanging hooks. A through hole 13 capable of accommodating the pulling ropes 12 is provided on the pre-separation tank 2; the motor 10 drives the rotating rod 11 to rotate, releases or winds up the pulling ropes 12, and drives the screening box 5 to move up and down, so that the rectangular through hole 6 and the rectangular through hole two 7 are corresponding, facilitating the discharge of the caked raw materials.

[0027] In combination with the attached Figure 4, the secondary separation component includes a layer plate 14 disposed in the storage bin 1 and above the discharge pipe 4. The top surface of the layer plate 14 is funnel-shaped, and a grid plate 15 is provided in the middle, facilitating the broken raw materials to fall onto the grid plate 15 and then fall below the layer plate 14. The interior of the storage bin 1 is hollow cylindrical to facilitate the rotation of the crushing component. The bottom surface of the storage bin 1 is inclined, and a discharge pipe 16 is connected to the lowest end to facilitate the final export of the raw materials.

[0028] Combined with the attached Figures 4-5 , a crushing structure is provided in the storage bin 1 and above the grid plate 15. The crushing structure includes a second motor 17 provided at the upper end of the storage bin 1. The output end of the second motor 17 is provided with a second rotating rod 18. The lower end of the second rotating rod 18 is rotatably connected to the grid plate 15. A number of fixing rings are provided on the outer side of the second rotating rod 18, and a number of crushing blades 19 are provided on the outer sides of the fixing rings.

[0029] In the above embodiment, the raw materials enter the screening box 5 through the feed inlet 3 and are separated by the net plate at the lower end. The agglomerated raw materials stay in the screening box 5. After accumulating to a certain extent, the motor 10 drives the rotating rod 11 to rotate, winds up the pulling rope 12, thereby driving the screening box 5 to rise until the rectangular through hole 6 and the second rectangular through hole 7 correspond, so as to introduce the agglomerated raw materials into the storage bin 1. The second motor 17 drives the second rotating rod 18 to rotate, and the crushing blades 19 crush the agglomerated raw materials. The crushed raw materials fall through the grid plate 15 and are finally exported through the discharge pipe 16.

[0030] The above describes the present invention and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and without departing from the creative purpose of the present invention, they design similar structural manners and embodiments to this technical solution without creative efforts, which shall fall within the protection scope of the present invention.

Claims

1. An injection molding material storage device for preventing raw materials from caking, characterized in that: It includes a storage bin (1) and a pre-separation bin (2); on one side of the pre-separation bin (2) and near the upper end, there is a feed inlet (3). The lower end of the pre-separation bin (2) is connected with a feeding pipe (4), and the lower end of the feeding pipe (4) extends to the lower end of one side of the storage bin (1). A primary separation component is arranged in the pre-separation bin (2), and a secondary separation component is arranged in the storage bin (1). The primary separation component includes a screening box (5) movably arranged in the pre-separation bin (2). The inner bottom surface of the screening box (5) is a mesh plate and slopes upward from the end close to the storage bin (1) to the other end. On the side of the screening box (5) close to the storage bin (1), there is a rectangular through hole (6), and on the side of the storage bin (1), there is a second rectangular through hole (7) that can correspond to the rectangular through hole (6). A lifting structure is arranged between the screening box (5) and the pre-separation bin (2). The secondary separation component includes a layer plate (14) arranged in the storage bin (1) and higher than the feeding pipe (4). The top surface of the layer plate (14) is funnel-shaped, and a grid plate (15) is arranged in the middle. The inside of the storage bin (1) is hollow cylindrical. A crushing structure is arranged in the storage bin (1) and higher than the grid plate (15). The inner bottom surface of the storage bin (1) is inclined, and the lowest end is connected with a discharge pipe (16).

2. The injection molding material storage device for preventing raw materials from caking according to claim 1, characterized in that: The lifting structure includes a connecting rod (8) arranged on the screening box (5), and two hooks are arranged on the connecting rod (8). On the upper surface of the pre-separation bin (2), there are two fixing plates (9). On the outside of one of the fixing plates (9), there is a motor (10). The output end of the motor (10) extends between the two fixing plates (9) and is provided with a rotating rod (11). Two pulling ropes (12) are wound around the rotating rod (11), and the lower ends of the pulling ropes (12) are respectively connected with the corresponding hooks.

3. An injection molding material storage device for preventing raw materials from caking according to claim 2, characterized in that: The pre-separation bin (2) is provided with a through hole (13) that can accommodate the pulling rope (12).

4. An injection molding material storage device for preventing raw materials from caking, characterized in that: Limit sliders are arranged on the front and rear sides of the screening box (5), and limit sliding grooves that can be slidably connected with the limit sliders are arranged on the front and rear sides inside the pre-separation bin (2).

5. The injection molding material storage device for preventing raw materials from caking according to claim 1, wherein: The crushing structure includes a second motor (17) arranged at the upper end inside the storage bin (1). The output end of the second motor (17) is provided with a second rotating rod (18). A number of fixing rings are arranged on the outside of the second rotating rod (18), and a number of crushing blades (19) are arranged on the outside of each fixing ring.

6. The injection molding material storage device for preventing raw materials from caking according to claim 5, characterized in that: The lower end of the second rotating rod (18) is rotatably connected with the grid plate (15).

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