Storage control mechanism of injection molding machine

By using a drive gear and driven gear meshing transmission system and scraper design, the problem of insufficient mixing effect in traditional injection molding machine material storage control mechanisms is solved, achieving uniform mixing of materials and reducing residue, thereby improving the quality of injection molded products and production efficiency.

CN223573663UActive Publication Date: 2025-11-21东风河西(大连)汽车饰件系统有限公司
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Patent Information

Application Number
CN202423090042.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-21
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

The traditional material storage control mechanism of injection molding machines has a simple agitator blade design, resulting in limited mixing effect, making it difficult to meet the needs of complex material handling, and uneven material mixing leads to product performance and quality problems.

Method used

The drive system employs a gear-driven transmission system to rotate the rotating rod and stirring blades stably within the storage cylinder. The scraper closely adheres to the cylinder wall, and a spring structure removes residual material, ensuring material uniformity and flowability.

Benefits of technology

It improves the quality stability of materials during storage, reduces material waste, and enhances the quality consistency and production efficiency of injection molded products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molding machines, and discloses a storage control mechanism of an injection molding machine, which comprises a storage barrel, a rotating rod is rotatably connected in the storage barrel, one end of the rotating rod extends to the top of the storage barrel and is provided with a rotating component, the outside of the rotating rod is fixedly connected with a connecting rod, and the end part of the connecting rod is provided with a scraping component; the rotating assembly comprises a driven gear, the driven gear is fixedly connected to the end, extending to the storage barrel, of the rotating rod, a motor is fixedly connected to the top of the storage barrel, and the output end of the motor is fixedly connected with a driving gear. According to the utility model, the rotating rod and the stirring blades are driven to stably rotate in the material storage barrel through meshing transmission of the driving gear and the driven gear, so that continuous power is provided for material stirring, good flowability and dispersity can be always kept, and the problems of product performance difference, appearance flaws and the like caused by non-uniform material mixing are avoided; and the quality stability of the materials in the storage process is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field especially relates to injection molding machine storage control mechanism. BACKGROUND

[0002] In modern manufacturing industry, injection molding process is widely used in many fields such as automobile, electronic, household appliance, medical treatment, etc., for producing various plastic parts and products. The core of injection molding process is to melt plastic raw material and inject into mold cavity, and then cool and shape to obtain the product with required shape. In this process, the control precision and quality of injection molding machine storage directly affect the performance and quality of the final product. The storage control mechanism is responsible for the pretreatment of plastic raw material, including mixing, stirring, conveying and other operations, to provide uniform and stable material basis for injection molding.

[0003] The traditional injection molding machine storage control mechanism usually has a simple structure. In the realization of stirring function, it mostly relies on single-shaft stirring mode, and only one motor directly drives one stirring shaft to rotate in the storage cylinder. The stirring blades on the stirring shaft are not only few in number and difficult to cover a large stirring area, but also have a very simple shape, usually only flat or straight strip. This single shape design makes the stirring blades only have limited stirring effect in the rotating process, which is difficult to meet the increasingly complex injection material processing requirements. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides injection molding machine storage control mechanism, aiming at improving the problem that the stirring blades can only produce limited stirring effect in the rotating process in the prior art, which is difficult to meet the increasingly complex injection material processing requirements.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The injection molding machine storage control mechanism comprises a storage cylinder, a rotating rod is rotatably connected inside the storage cylinder, a rotating assembly is arranged at one end of the rotating rod extending to the top of the storage cylinder, a connecting rod is fixedly connected outside the rotating rod, and a scraping assembly is arranged at the end of the connecting rod.

[0007] The rotating assembly comprises a driven gear, the driven gear is fixedly connected at one end of the rotating rod extending to the storage cylinder, a motor is fixedly connected at the top of the storage cylinder, a driving gear is fixedly connected at the output end of the motor, and the driving gear is engaged with the driven gear.

[0008] Further description of the above technical scheme:

[0009] The scraping assembly comprises two vertical rods, the two vertical rods are fixedly connected at the ends of the connecting rod respectively, a plurality of springs are fixedly connected inside the vertical rods, one end of the plurality of springs is fixedly connected with a limiting plate, and the limiting plate is fixedly connected with a scraper plate on the side away from the springs.

[0010] As a further description of the above technical solution:

[0011] The other end of the rotating rod extends to the inside of the storage cylinder and is fixedly connected with a plurality of stirring blades outside, and the driving gear is rotationally connected at the top of the storage cylinder.

[0012] As a further description of the above technical solution:

[0013] The inside wall of the vertical rod is provided with a square groove, and the limiting plate is slidingly connected inside the square groove on both sides.

[0014] As a further description of the above technical solution:

[0015] The scraper plate is attached to the inner wall of the storage cylinder on the side away from the limiting plate.

[0016] As a further description of the above technical solution:

[0017] The bottom of the storage cylinder is fixedly connected with a conical cover, the bottom of the conical cover is fixedly connected with a discharge pipe, and the discharge pipe is provided with a control valve outside.

[0018] As a further description of the above technical solution:

[0019] The top of the storage cylinder is fixedly connected with a feeding pipe, and the feeding pipe is located on the left side of the driven gear.

[0020] As a further description of the above technical solution:

[0021] The storage cylinder is fixedly connected with a supporting leg around the outside.

[0022] The utility model has the advantages that:

[0023] 1、The utility model discloses a scraping assembly is arranged in the storage cylinder, and the scraping assembly comprises two vertical rods, the two vertical rods are fixedly connected at the ends of the connecting rod respectively, a plurality of springs are fixedly connected inside the vertical rods, one end of the plurality of springs is fixedly connected with a limiting plate, and the limiting plate is fixedly connected with a scraper plate on the side away from the springs.

[0024] 2、The scraper plate is tightly attached to the cylinder wall under the elastic force of the spring, the material waste is reduced, and the production cost is reduced. DRAWINGS

[0025] Figure 1 The utility model provides a three -dimensional schematic view of injection molding machine storage control mechanism is provided for the utility model,

[0026] Figure 2 The utility model provides a structure schematic view of the conical cover of injection molding machine storage control mechanism is provided for the utility model,

[0027] Figure 3 The utility model provides a cross section view of the storage cylinder of injection molding machine storage control mechanism is provided for the utility model,

[0028] Figure 4 The utility model provides a cross section view of the vertical rod of injection molding machine storage control mechanism is provided for the utility model,

[0029] Figure 5 For Figure 2 The cross section schematic view of A place in middle.

[0030] Legend:

[0031] 1, storage cylinder, 2, rotating rod, 21, stirring blade, 3, rotating assembly, 31, driven gear, 32, motor, 33, driving gear, 4, connecting rod, 5, scraping assembly, 51, vertical rod, 52, spring, 53, limit plate, 54, scraper, 55, square groove, 6, conical cover, 7, discharge pipe, 8, control valve, 9, inlet pipe, 10, supporting leg. Specific implementation

[0032] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0033] Referring to Figure 1 , Figure 2 and Figure 5 , the utility model provides an embodiment: injection molding machine storage control mechanism, including storage cylinder 1, rotatingly connected with rotating rod 2 in storage cylinder 1, and rotating rod 2 one end extends to the top of storage cylinder 1 and is provided with rotating assembly 3, and rotating rod 2 is externally fixedly connected with connecting rod 4, and connecting rod 4 end is provided with scraping assembly 5,

[0034] The rotating assembly 3 comprises a driven gear 31 fixedly connected to one end of the rotating rod 2 extending to the storage cylinder 1, the top of the storage cylinder 1 is fixedly connected with a motor 32, the output end of the motor 32 is fixedly connected with a driving gear 33, the driving gear 33 is engaged with the driven gear 31, the driven gear 31 serves as the driving of the rotating rod 2, and the engagement with the driving gear 33 is good, so that the power from the driving gear 33 can be stably and efficiently transmitted to the rotating rod 2 to provide a stable power source for the stirring blade 21. The other end of the rotating rod 2 extends to the inside of the storage cylinder 1 and is fixedly connected with a plurality of stirring blades 21 outside, so that the stirring blades 21 can cover most of the material storage space in the effective stirring area in the storage cylinder 1, and ensure that the material is fully stirred in the cylinder. The driving gear 33 is rotatably connected to the top of the storage cylinder 1, and the rotating force is transmitted to the driven gear 31 to drive synchronous rotation. The bottom of the storage cylinder 1 is fixedly connected with a conical cover 6, which can guide the material in the storage cylinder 1 to naturally gather to the center of the bottom, reducing the retention and accumulation of the material at the bottom of the cylinder.

[0035] The bottom of the conical cover 6 is fixedly connected with a discharge pipe 7, and the outside of the discharge pipe 7 is provided with a control valve 8, which can accurately control the flow and flow rate of the material in the discharge pipe 7, reducing product defects caused by unstable material flow. The top of the storage cylinder 1 is fixedly connected with a feeding pipe 9, which is located on the left side of the driven gear 31. During the injection molding process, when the amount of material in the storage cylinder 1 is insufficient, new material can be supplemented in time through the feeding pipe 9. The storage cylinder 1 is fixedly connected with supporting legs 10 around the outside, so that the storage cylinder 1 can be balanced and stable when placed.

[0036] Referring to Figure 3 and Figure 5 , the scraping assembly 5 comprises two vertical rods 51 fixedly connected to the ends of the connecting rod 4, which can stably follow the movement of the vertical rod 51 under the driving of the connecting rod 4 when the rotating rod 2 rotates. The inside of the vertical rod 51 is fixedly connected with a plurality of springs 52, one end of the plurality of springs 52 is fixedly connected with a limiting plate 53, and the elastic force is uniformly transmitted to the scraper 54 through the fixed connection with the limiting plate 53. The limiting plate 53 is fixedly connected with the scraper 54 away from the spring 52 side, and the inside wall of the vertical rod 51 is provided with a square groove 55, the limiting plate 53 is slidingly connected in the square groove 55, the scraper 54 is attached to the inner wall of the storage cylinder 1 away from the limiting plate 53 side, and the limiting plate 53 is used as a connecting component between the spring 52 and the scraper 54, which can stably slide in the square groove 55 opened in the inside wall of the vertical rod 51, limit the movement range of the scraper 54, ensure that the scraper 54 can only move vertically to the cylinder wall under the action of the spring 52, improve the working accuracy and stability of the scraping assembly 5, and make the scraper 54 can efficiently scrape the material residues on the inner wall of the storage cylinder 1.

[0037] Working principle: first, when starting the motor 32, the motor 32 output end drive gear 33 rotation. Because the driving gear 33 and driven gear 31 mesh, the rotation of the driving gear 33 will drive the driven gear 31 rotation, in turn drive the rotation of the rod 2 in the storage cylinder 1, the rotation of the rod 2 will drive a plurality of stirring blade 21 synchronous rotation. Stirring blade 21 in the storage cylinder 1 of the material for full mixing, make the material mixing uniform, prevent material sedimentation or caking, ensure that the material in the storage cylinder 1 in good flow state, in order to subsequent discharge and injection operation;

[0038] Secondly, with the rotation of the rod 2, through the transmission of connecting rod 4, make the vertical rod 51 also rotate, at this time, the scraper 54 in the spring 52 elastic force, always closely adhere to the inner wall of the storage cylinder 1. In the scraper 54 with the rotation of the rod 2, due to the spring 52 on the limiting plate 53 exerted by the pressure, make the scraper 54 can effectively remove the material residue attached to the inner wall of the storage cylinder 1, avoid material residue accumulation in the inner wall of the storage cylinder 1 and affect the quality of the material.

[0039] Finally, it should be explained that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application has been made, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. Injection molding machine accumulator control mechanism, comprising an accumulator cylinder (1), characterized in that: The rotating rod (2) is rotatably connected inside the storage cylinder (1), one end of the rotating rod (2) extends to the top of the storage cylinder (1) and is provided with a rotating assembly (3), the rotating rod (2) is fixedly connected with a connecting rod (4) outside, and the connecting rod (4) is provided with a scraping assembly (5) at the end. The rotating assembly (3) comprises a driven gear (31), the driven gear (31) is fixedly connected at one end of the rotating rod (2) extending to the storage cylinder (1), the top of the storage cylinder (1) is fixedly connected with a motor (32), the output end of the motor (32) is fixedly connected with a driving gear (33), and the driving gear (33) is engaged with the driven gear (31).

2. The injection molding machine accumulator control mechanism of claim 1 wherein: The scraping assembly (5) comprises two vertical rods (51), the two vertical rods (51) are fixedly connected at the ends of the connecting rod (4) respectively, the vertical rod (51) is fixedly connected with a plurality of springs (52) inside, one end of the plurality of springs (52) is fixedly connected with a limiting plate (53), and the limiting plate (53) is fixedly connected with a scraper (54) on the side away from the spring (52).

3. The injection molding machine accumulator control mechanism of claim 1 wherein: The other end of the rotating rod (2) extends to the inside of the storage cylinder (1) and is fixedly connected with a plurality of stirring blades (21) outside, and the driving gear (33) is rotatably connected at the top of the storage cylinder (1).

4. The injection molding machine accumulator control mechanism of claim 2 wherein: The square groove (55) is formed in the inner side wall of the vertical rod (51), and the limiting plate (53) is slidably connected inside the square groove (55) on both sides.

5. The injection molding machine accumulator control mechanism of claim 2 wherein: The scraper (54) is attached to the inner wall of the storage cylinder (1) on the side away from the limiting plate (53).

6. The injection molding machine accumulator control mechanism of claim 1 wherein: The bottom of the storage cylinder (1) is fixedly connected with a conical cover (6), the bottom of the conical cover (6) is fixedly connected with a discharge pipe (7), and the discharge pipe (7) is provided with a control valve (8) outside.

7. The injection molding machine accumulator control mechanism of claim 1 wherein: The top of the storage cylinder (1) is fixedly connected with a feeding pipe (9), and the feeding pipe (9) is located on the left side of the driven gear (31).

8. The injection molding machine accumulator control mechanism of claim 1 wherein: The periphery of the storage cylinder (1) is fixedly connected with a supporting leg (10).