Injection molding storage device with premixing structure

By designing an injection molding storage device with a premixed structure, using a screw conveyor rod and a discharge hopper to achieve top discharge, and ensuring uniform mixing of materials through electric cylinders and stirring components, the problems of difficulty in discharging and uneven mixing in the prior art are solved, and a more convenient user experience is achieved.

CN222538218UActive Publication Date: 2025-02-28LEON TECH (HEFEI) CO LTD
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Patent Information

Application Number
CN202421345395.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-02-28
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The existing injection molding storage device needs to install the equipment to a high place when discharged, and the materials at the bottom of the storage silo cannot come into contact with the stirring sheet during the stirring process, resulting in uneven mixing.

Method used

An injection molding storage device with a premixed structure is designed, with a screw conveyor rod and a discharge hopper to achieve top discharge, and a uniform mixing of the materials is ensured through an electric cylinder and a stirring assembly.

Benefits of technology

The discharge operation without setting the storage tank to a high place is achieved, and the problem of uneven mixing is avoided through the premix function, making it more convenient to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection molding storage device with a premixing structure. The injection molding storage device comprises a storage tank, and a supporting assembly used for supporting the storage tank is arranged at the lower end of the storage tank; a feeding port is formed in one side of the upper end of the material storage tank, a conveying pipe is fixedly connected to the middle of the material storage tank, reinforcing frames are fixedly connected to the two sides of the middle of the interior of the material storage tank, the ends, away from the inner wall of the material storage tank, of the reinforcing frames are fixedly connected with the conveying pipe, and a spiral conveying rod is installed in the conveying pipe. The sealing sleeve can be lifted in the using process, then the top opening can be opened or closed, when the top opening is opened, materials can be discharged from the top opening and then fall into the fixing ring, then the materials at the bottom of the fixing ring can be turned out, and the situation that the materials are not uniform in the premixing process is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molding equipment, in particular to an injection molding material storage device with a pre-mixing structure. Background Art

[0002] Injection machine, also known as injection molding machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics.

[0003] During the application of the injection molding machine, a storage device is required to store the materials so as to facilitate the subsequent feeding to the injection molding machine. For example, the prior art CN218576835U proposes an injection molding storage box, which includes a storage shell, the top of which is movably abutted against a cover plate, a circular hole is provided on the top of the cover plate, a stirring shaft is rotatably installed in the circular hole, and a plurality of stirring blades are provided on the outer fixed sleeve of the stirring shaft. The device can achieve stirring and discharging of the materials.

[0004] Although the prior art can achieve mixing of stored materials during application, since the discharge port is arranged at the bottom of the storage bin, the equipment needs to be installed at a high place when conveying materials to the injection molding machine, which is very troublesome. At the same time, during the stirring process of the prior art, the materials at the bottom of the storage bin cannot contact the stirring blades, so a dead angle is formed at the bottom of the storage bin, resulting in uneven mixing. In view of the above problems, we provide an injection molding storage device with a pre-mixing structure to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide an injection molding material storage device with a pre-mixing structure to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An injection molding material storage device with a premixing structure comprises a material storage tank, wherein a support assembly for supporting the material storage tank is provided at the lower end of the material storage tank;

[0008] A feed port is provided on one side of the upper end of the material storage tank, a conveying pipe is fixedly connected to the middle of the material storage tank, reinforcement frames are fixedly connected to both sides of the middle of the material storage tank, one end of the reinforcement frame away from the inner wall of the material storage tank is fixedly connected to the conveying pipe, a spiral conveying rod is installed inside the conveying pipe, the lower end of the spiral conveying rod is connected to the shaft head and the middle of the bottom of the material storage tank, a reduction motor is provided on the upper end of the conveying pipe for driving the spiral conveying rod to rotate, and a discharge hopper connected to the inside of the conveying pipe is provided on one side of the upper end of the conveying pipe;

[0009] A discharging assembly for discharging materials is provided inside the conveying pipe at the upper end of the storage tank;

[0010] The lower end of the conveying pipe is also provided with a stirring assembly for premixing materials.

[0011] As a further solution of the utility model: the support assembly includes four support frames, and a fixing ring is fixedly connected between the lower ends and the middle of the four support frames, and a sliding seat is slidably connected to the upper ends of the support frames. One end of the sliding seat is fixedly connected to the storage tank, and a lifting assembly for lifting the storage tank is provided between the support frames.

[0012] As a further solution of the utility model: the lifting assembly includes a cross bar, which is fixedly connected to a position between the lower ends of the support frames on both sides, and the support frames on both sides are provided with a two-way screw rod at a position above the cross bar, and both ends of the two-way screw rod are rotatably connected to the support frames respectively, and the connecting shaft head at one end of the two-way screw rod passes through the position of the support frame and is fixedly connected to a rotating handle, the threads at both ends of the two-way screw rod are threadedly connected to threaded seats, and the threaded seats are rotatably connected to connecting rods, and the ends of the connecting rods away from the threaded seats are rotatably connected to the middle position of the lower end of the storage tank.

[0013] As a further solution of the utility model: the discharging assembly includes an electric cylinder, which is respectively installed on the upper end surface of the storage tank at positions on both sides of the conveying pipe, a closing sleeve is fixedly connected between the output ends of the two electric cylinders, and the closing sleeve is slidably connected to the conveying pipe, and the conveying pipe is located on both sides of the upper end inside the storage tank and has top openings.

[0014] As a further solution of the utility model: the stirring assembly includes a rotating frame, and a plurality of rotating frames are distributed in a ring array. The lower ends of the rotating frames are fixedly connected to the lower ends of the spiral conveying rods, and the upper ends of the rotating frames are fixedly connected with rotating rings, which are rotatably connected to the conveying pipe.

[0015] As a further solution of the utility model: the discharge hopper is arranged inclined.

[0016] As a further solution of the utility model: a heater for heating the interior of the storage tank is embedded in the inner wall of the storage tank.

[0017] As a further solution of the utility model: an inverted cone cover is provided at the upper end of the feed port.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model is provided with an electric cylinder, which can lift the closing sleeve during use, and then open or close the top opening. When the top opening is opened, the material will be discharged from the top opening, and then fall into the inside of the fixed ring, and then the material at the bottom of the fixed ring can be turned out, avoiding unevenness during premixing.

[0020] 2. The utility model can discharge materials from the top by means of the spiral conveying rod and the discharge hopper, so that when in use, there is no need to set the storage tank at a high place. At the same time, the lifting component can adjust the height of the discharge hopper, so that when in use, the discharge hopper can be adjusted accordingly according to the height of the injection molding machine feed port, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0023] Figure 3 It is a schematic diagram of the structure when the sealing sleeve in the utility model moves upward.

[0024] Among them: 1. Fixed ring; 2. Threaded seat; 3. Turning handle; 4. Connecting rod; 5. Sliding seat; 6. Storage tank; 7. Feeding port; 8. Electric cylinder; 9. Conveying pipe; 10. Reducer motor; 11. Discharging hopper; 12. Support frame; 13. Cross bar; 14. Bidirectional screw rod; 15. Heater; 16. Rotating ring; 17. Rotating frame; 18. Screw conveying rod; 19. Top port; 20. Reinforcement frame; 21. Closing sleeve. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] See also Figure 1-Figure 3 In an embodiment of the utility model, an injection molding storage device with a premixing structure includes a storage tank 6, and a support assembly for supporting the storage tank 6 is provided at the lower end of the storage tank 6; the support assembly includes four support frames 12, and a fixing ring 1 is fixedly connected between the lower end and the middle of the four support frames 12, and a sliding seat 5 is slidably connected to the upper end of the support frame 12, and one end of the sliding seat 5 is fixedly connected to the storage tank 6, and a lifting assembly for lifting the storage tank 6 is provided between the support frames 12; the storage tank 6 can be driven to move up and down along the support frame 12 by the provided lifting assembly, so that the height of the storage tank 6 can be adjusted.

[0028] A feed port 7 is provided on one side of the upper end of the storage tank 6, and an inverted cone-shaped cover is provided on the upper end of the feed port 7; the cone-shaped cover can facilitate the addition of materials into the storage tank 6, which is convenient to use; a conveying pipe 9 is fixedly connected in the middle of the storage tank 6, and a reinforcing frame 20 is fixedly connected on both sides of the middle of the storage tank 6, and one end of the reinforcing frame 20 away from the inner wall of the storage tank 6 is fixedly connected to the conveying pipe 9, and a screw conveying rod 18 is installed inside the conveying pipe 9, and the lower end of the screw conveying rod 18 is connected to the shaft head and the middle of the bottom of the storage tank 6, and a reduction motor 10 for driving the screw conveying rod 18 to rotate is provided on the upper end of the conveying pipe 9, and a discharging hopper 11 connected to the inside of the conveying pipe 9 is provided on one side of the upper end of the conveying pipe 9; the discharging hopper 11 is tilted; when in use, the output end of the reduction motor 10 drives the screw conveying rod 18 to rotate, and the rotation of the screw conveying rod 18 can convey the material inside the storage tank 6 to the discharging hopper 11, thereby realizing top discharging.

[0029] The inner wall of the storage tank 6 is embedded with a heater 15 for heating the inside of the storage tank 6; the heater 15 can be used to heat the material inside the storage tank 6, and can be used to dry the material in conjunction with the stirring component. At the same time, the maximum temperature of the heater 15 does not exceed the melting point of the material to avoid melting of the material inside the storage tank 6, and the setting of the heater 15 can also realize preheating of the raw materials.

[0030] A discharging assembly for discharging materials is provided inside the delivery pipe 9 at the upper end of the storage tank 6; the discharging assembly includes an electric cylinder 8, which is respectively installed on the upper end surface of the storage tank 6 at the positions on both sides of the delivery pipe 9, and a closed sleeve 21 is fixedly connected between the output ends of the two electric cylinders 8, and the closed sleeve 21 is slidably connected to the delivery pipe 9, and the delivery pipe 9 is located at the upper end of the storage tank 6. Both sides are provided with top openings 19;

[0031] During operation, the electric cylinder 8 is provided to lift the sealing sleeve 21, thereby opening or closing the top opening 19. When the top opening 19 is opened, the material will be discharged from the top opening 19 and then fall into the fixed ring 1, thereby turning out the material at the bottom of the fixed ring 1 to avoid unevenness during premixing.

[0032] The lower end of the conveying pipe 9 is also provided with a stirring assembly for premixing the materials; the stirring assembly includes a rotating frame 17, and a plurality of rotating frames 17 are distributed in a ring array. The lower ends of the rotating frames 17 are connected to the screw conveying rod 18 and are fixedly connected at the lower ends. A rotating ring 16 is fixedly connected between the upper ends of the rotating frames 17, and the rotating ring 16 is rotatably connected to the conveying pipe 9. When the screw conveying rod 18 rotates, it will drive the rotating frame 17 to rotate. The rotation of the rotating frame 17 can drive the material inside the storage tank 6 to move, thereby realizing the premixing of the materials.

[0033] Example 2

[0034] The difference from Example 1 is that the lifting assembly includes a cross bar 13, which is fixedly connected to a position between the lower ends of the support frames 12 on both sides, and the support frames 12 on both sides are located above the cross bar 13. A two-way screw rod 14 is provided, and both ends of the two-way screw rod 14 are rotatably connected to the support frames 12 respectively, and the connecting shaft head at one end of the two-way screw rod 14 passes through the position of the support frame 12 and is fixedly connected with a rotating handle 3, and the threads at both ends of the two-way screw rod 14 are threadedly connected with a threaded seat 2, and the threaded seat 2 is rotatably connected with a connecting rod 4, and the end of the connecting rod 4 away from the threaded seat 2 is rotatably connected to the middle position of the lower end of the storage tank 6; when it is necessary to adjust the height of the storage tank 6, the two-way screw rod 14 is driven to rotate by the rotating handle 3, and the rotation of the two-way screw rod 14 drives the two threaded seats 2 to move synchronously. When the two threaded seats 2 are close to each other, the connecting rod 4 drives the storage tank 6 to move upward, and when the two threaded seats 2 are away from each other, the connecting rod 4 drives the storage tank 6 to move downward, so that the height of the storage tank 6 can be adjusted according to actual needs.

[0035] The working principle of the utility model is as follows: when in use, the required multiple raw materials are added into the storage tank 6 from the feed port 7, and then the sealing sleeve 21 is moved upward by the electric cylinder 8 to expose the top port 19, and then the reduction motor 10 is started, and the reduction motor 10 is started to drive the screw conveying rod 18 to rotate, and the rotation of the screw conveying rod 18 drives the rotating frame 17 to rotate, and then drives the materials to be mixed. At the same time, the screw conveying rod 18 can also lift the materials at the bottom of the storage tank 6 while rotating, and then discharge them from the top port 19, and then cooperate with the rotating frame 17 to evenly mix the materials. When it is necessary to mix the materials inside the storage tank 6 When the material is discharged into the injection molding machine, the electric cylinder 8 pushes the closing sleeve 21 down to close the top opening 19, and then the material is discharged from the discharge hopper 11 under the action of the spiral conveying rod 18. When the height of the storage tank 6 needs to be adjusted, the bidirectional screw rod 14 is driven to rotate by turning the handle 3, and the rotation of the bidirectional screw rod 14 drives the two threaded seats 2 to move synchronously. When the two threaded seats 2 approach each other, the connecting rod 4 drives the storage tank 6 to move upward. When the two threaded seats 2 move away from each other, the connecting rod 4 drives the storage tank 6 to move downward. The height of the storage tank 6 and the discharge hopper 11 can be adjusted according to actual needs to suit different injection molding machines.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although the present specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An injection molding material storage device with a premixing structure, comprising a material storage tank (6), characterized in that: The lower end of the storage tank (6) is provided with a support assembly for supporting the storage tank (6); A feed port (7) is provided at one side of the upper end of the storage tank (6), a conveying pipe (9) is fixedly connected in the middle of the storage tank (6), and reinforcement frames (20) are fixedly connected on both sides of the middle of the storage tank (6), and one end of the reinforcement frame (20) away from the inner wall of the storage tank (6) is fixedly connected to the conveying pipe (9), a spiral conveying rod (18) is installed inside the conveying pipe (9), and the lower end of the spiral conveying rod (18) is connected to the shaft head and the middle of the bottom of the storage tank (6), and a reduction motor (10) for driving the spiral conveying rod (18) to rotate is provided at the upper end of the conveying pipe (9), and a discharge hopper (11) connected to the inside of the conveying pipe (9) is provided at one side of the upper end of the conveying pipe (9); A discharge assembly for discharging materials is provided inside the conveying pipe (9) at a position located at the upper end of the storage tank (6); The lower end of the conveying pipe (9) is also provided with a stirring assembly for premixing the materials.

2. The injection molding material storage device with a premixing structure according to claim 1, characterized in that: The support assembly comprises four support frames (12), the lower ends and the middles of the four support frames (12) are fixedly connected with a fixing ring (1), the upper ends of the support frames (12) are slidably connected with a sliding seat (5), one end of the sliding seat (5) is fixedly connected to the storage tank (6), and a lifting assembly for lifting the storage tank (6) is provided between the support frames (12).

3. The injection molding storage device with a premixing structure according to claim 2, characterized in that: The lifting assembly comprises a cross bar (13), wherein the cross bar (13) is fixedly connected to a position between the lower ends of the support frames (12) on both sides, and the support frames (12) on both sides are provided with a bidirectional screw rod (14) at a position located above the cross bar (13), and both ends of the bidirectional screw rod (14) are respectively rotatably connected to the support frames (12), and a connecting shaft head at one end of the bidirectional screw rod (14) passes through a position where the support frame (12) is fixedly connected to a rotating handle (3), and threads at both ends of the bidirectional screw rod (14) are threadedly connected to a threaded seat (2), and a connecting rod (4) is rotatably connected to the threaded seat (2), and one end of the connecting rod (4) away from the threaded seat (2) is rotatably connected to the middle position of the lower end of the storage tank (6).

4. The injection molding storage device with a premixing structure according to claim 1, characterized in that: The discharging assembly comprises an electric cylinder (8), the electric cylinders (8) being respectively mounted on the upper end surface of the storage tank (6) at positions on both sides of the conveying pipe (9), a sealing sleeve (21) being fixedly connected between the output ends of the two electric cylinders (8), the sealing sleeve (21) being slidably connected to the conveying pipe (9), and the conveying pipe (9) being located inside the storage tank (6) and having top openings (19) on both sides of the upper end thereof.

5. The injection molding material storage device with a premixing structure according to claim 1, characterized in that: The stirring assembly comprises a rotating frame (17), wherein a plurality of rotating frames (17) are distributed in a ring array, wherein the lower ends of the rotating frames (17) are fixedly connected to the lower ends of the spiral conveying rods (18), and a rotating ring (16) is fixedly connected between the upper ends of the rotating frames (17), and the rotating ring (16) is rotatably connected to the conveying pipe (9).

6. The injection molding storage device with a premixing structure according to claim 1, characterized in that: The discharge hopper (11) is arranged tilted.

7. The injection molding storage device with a premixing structure according to claim 1, characterized in that: A heater (15) for heating the interior of the storage tank (6) is embedded in the inner wall of the storage tank (6).

8. The injection molding material storage device with a premixing structure according to claim 1, characterized in that: An inverted cone cover is provided at the upper end of the feed port (7).