Hot runner conversion equipment for multicolor injection molding machine
By designing the conversion hot runner equipment in a multi-color injection molding machine and fully mixing the materials with stirring blades, the problem of insufficient stirring of existing injection molding machines is solved, the material quality and finished product quality are improved, and the mold release efficiency is improved through the cooling system.
Patent Information
- Application Number
- CN202421002194.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing injection molding machines cannot fully stir the material before feeding, resulting in low injection molding efficiency, affecting molding time and device working efficiency.
A hot runner device for multi-color injection molding machines is designed to drive the stirring blades to rotate through the stirring rod, and the raw materials and foaming agent are stirred in the mixing box to ensure that the foaming agent and the raw materials are fully mixed.
By fully mixing the materials, the material quality after injection molding is improved, thereby improving the quality of the finished product. Through the design of the cold water tank and cooling layer, the mold is quickly cooled and the mold release efficiency is improved.
Smart Images

Figure CN222755916U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molding machine equipment, in particular to a hot runner conversion device for a multi-color injection molding machine. Background Art
[0002] Hot runner control technology ensures that the plastics in the runner and gate remain molten by heating. A heating rod and a heating ring are arranged near or in the center of the runner. The entire runner from the nozzle outlet of the injection molding machine to the gate is kept at a high temperature, so that the injection diversion device of the injection molding machine can efficiently transport the molten plastic.
[0003] In the existing document 202110354866.2, the material cannot be fully stirred before feeding during injection molding. It needs to be stirred on other equipment and then heated before injection molding. Multiple sets of equipment need to be used back and forth, which greatly affects the injection molding efficiency and may affect the demolding time, thereby affecting the working efficiency of the device. Therefore, the utility model proposes a conversion hot runner device for a multi-color injection molding machine to solve the problems existing in the prior art. Utility Model Content
[0004] In view of the above problems, the purpose of the utility model is to propose a conversion hot runner device for a multi-color injection molding machine, which drives the stirring blades to rotate through the stirring rod, so that the raw materials and foaming agent in the mixing box can be stirred, so that the foaming agent and the raw materials can be fully mixed, thereby improving the quality of the material after injection molding, thereby improving the quality of the finished product.
[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a conversion hot runner device for a multi-color injection molding machine, comprising an equipment body, a mixing and conveying component and a mold box, the mixing and conveying component is movably installed inside the equipment body, and the mold box is fixedly installed on one side inside the equipment body. The materials are mixed by the mixing and conveying component and introduced into the mold box for injection molding. The mixing and conveying component comprises a mixing box, a first motor, a stirring shaft, stirring blades, a conveying box, a second motor, a conveying roller and a conveying blade. A mixing box is fixedly installed on one side inside the equipment body, and a first motor is fixedly installed on one side of the mixing box. The output end of the first motor is connected to the stirring shaft, and the stirring shaft is arranged inside the mixing box. A plurality of groups of stirring blades are fixedly installed on the surface of the stirring shaft, and a conveying box is fixedly installed below the mixing box. A second motor is fixedly installed on one side of the conveying box, and the output end of the second motor is connected to the conveying roller, and the surface of the conveying roller is fixedly installed with a conveying blade.
[0006] A further improvement is that a heating box is fixedly installed at a middle position inside the equipment body, the heating box is arranged on one side of the transport box, and a heating block is fixedly installed inside the heating box.
[0007] A further improvement is that a diverter plate is fixedly installed on one side of the heating box, the diverter plate is connected to one side of the mold box, and a plurality of discharge ports are provided on one side of the diverter plate.
[0008] A further improvement is that a cooling layer is fixedly mounted on the surface of the mold box.
[0009] A further improvement is that a cold water tank is fixedly installed on one side of the equipment body, a return pipe is fixedly installed on one side of the cold water tank, and the return pipe and the cooling layer are connected to each other.
[0010] A further improvement is that a cover plate is movably installed on the top of the mixing box.
[0011] A further improvement is that a control panel is fixedly mounted on the outer side of the equipment body, and the control panel is electrically connected to the diverter plate.
[0012] The beneficial effects of the utility model are as follows: the utility model drives the stirring blade to rotate through the stirring rod, so that the raw materials and the foaming agent in the mixing box can be stirred, so that the foaming agent and the raw materials can be fully mixed, the quality of the material after injection molding is improved, and thus the quality of the finished product is improved; the coolant in the cold water tank is guided from the cold water tank to the reflux pipe, and the cooling of the mold is achieved through the cooling layer arranged on the surface of the mold box; the cooled coolant flows back to the cooling box for cooling treatment; in this cycle, the mold can be cooled quickly, the solidification of the plastic in the mold is accelerated, and the demolding efficiency of the device is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.
[0014] Figure 1 It is a side sectional view of the utility model;
[0015] Figure 2 It is a front schematic diagram of the utility model;
[0016] Figure 3 It is a schematic diagram of a mold box of the present utility model.
[0017] Among them: 1. Equipment body; 2. Mold box; 3. Mixing box; 4. First motor; 5. Stirring shaft; 6. Stirring blades; 7. Conveying box; 8. Second motor; 9. Conveying roller; 10. Conveying blades; 11. Heating box; 12. Transport box; 13. Heating block; 14. Diverter plate; 15. Discharge port; 16. Cooling layer; 17. Cold water tank; 18. Reflux pipe; 19. Cover plate; 20. Control panel. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical, not all of the embodiments. Based on the embodiment in the practical, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical.
[0019] In the description of this utility model, it should be noted that, unless otherwise clearly specified and limited, the terms installation, connection and connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0020] according to Figure 1 , Figure 2 , Figure 3As shown, this embodiment provides a conversion hot runner device for a multi-color injection molding machine, including a device body 1, a mixing and conveying component and a mold box 2. The mixing and conveying component is movably installed inside the device body 1, and the mold box 2 is fixedly installed on one side inside the device body 1. The materials are mixed by the mixing and conveying component and introduced into the mold box 2 for injection molding. The mixing and conveying component includes a mixing box 3, a first motor 4, a stirring shaft 5, a stirring blade 6, a conveying box 7, a second motor 8, a conveying roller 9 and a conveying blade 10. The mixing box 3 is fixedly installed on one side inside the device body 1, and the first motor 4 is fixedly installed on one side of the mixing box 3. The motor model is Y90S-2, and the output of the first motor 4 The first end is connected to a stirring shaft 5, which is arranged inside a mixing box 3. By introducing the material into the mixing box 3, the first motor 4 is driven to drive the stirring shaft 5 to rotate. A plurality of stirring blades 6 are fixedly installed on the surface of the stirring shaft 5. The stirring shaft 5 drives the stirring blades 6 to rotate to mix the materials comprehensively. A conveying box 7 is fixedly installed below the mixing box 3, and the mixed material is introduced into the conveying box 7. A second motor 8 is fixedly installed on one side of the conveying box 7. The output end of the second motor 8 is connected to a conveying roller 9. A conveying blade 10 is fixedly installed on the surface of the conveying roller 9. The second motor 8 is driven to drive the conveying roller 9 to rotate to transport the material through the conveying blade 10 for subsequent use.
[0021] A heating box 11 is fixedly installed at the middle position inside the equipment body 1. The heating box 11 is arranged on one side of the transport box 12. The material is introduced into the heating box 11 through the transport box 12. A heating block 13 is fixedly installed inside the heating box 11. The heating block 13 is driven to heat the material inside the heating box 11 to ensure the subsequent injection molding quality and achieve better molding effect.
[0022] A diverter plate 14 is fixedly installed on one side of the heating box 11, and the diverter plate 14 is interconnected with one side of the mold box 2. A plurality of discharge ports 15 are provided on one side of the diverter plate 14. By introducing the material into the diverter plate 14, the material is introduced into the mold box 2 through the discharge ports 15 of different sizes for molding.
[0023] A cooling layer 16 is fixedly mounted on the surface of the mold box 2, and the interior of the mold box 2 is cooled by the cooling layer 16 to facilitate rapid injection molding.
[0024] A cold water tank 17 is fixedly installed on one side of the equipment body 1, and a return pipe 18 is fixedly installed on one side of the cold water tank 17. The return pipe 18 and the cooling layer 16 are interconnected. Cold water is introduced into the cooling layer 16 through the return pipe 18 to cool the cooling layer 16, and the mold box 2 is cooled by the cooling layer 16.
[0025] A cover plate 19 is movably installed on the top of the mixing box 3 , and the arrangement of the cover plate 19 facilitates the introduction of materials into the mixing box 3 .
[0026] A control panel 20 is fixedly installed on the outer side of the equipment body 1 . The control panel 20 and the diverter plate 14 are electrically connected to each other. The control panel 20 drives the diverter plate 14 to introduce materials.
[0027] When the multi-color injection molding machine is used with a conversion hot runner device, the materials are mixed by the mixing and conveying component and introduced into the mold box 2 for injection molding. The materials are introduced into the mixing box 3, the first motor 4 is driven to drive the stirring shaft 5 to rotate, and the stirring shaft 5 drives the stirring blade 6 to rotate to fully mix the materials. The mixed materials are then introduced into the conveying box 7, the second motor 8 is driven to drive the conveying roller 9 to rotate, and the materials are transported through the conveying blade 10 for subsequent use. The materials are introduced into the heating box 11 through the transport box 12, and the heating block 13 is driven to heat the materials inside the heating box 11. The heating treatment ensures the quality of subsequent injection molding and achieves better molding effect. The material is introduced into the diverter plate 14 and then introduced into the mold box 2 for molding through outlets 15 of different sizes. The interior of the mold box 2 is cooled by the cooling layer 16 to facilitate rapid injection molding. Cold water is introduced into the cooling layer 16 through the reflux pipe 18 to cool the cooling layer 16. The mold box 2 is cooled by the cooling layer 16. The cover plate 19 is provided to facilitate the introduction of the material into the mixing box 3. The diverter plate 14 is driven by the control panel 20 to introduce the material.
[0028] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A hot runner conversion device for a multi-color injection molding machine, comprising a device body (1), a mixing and conveying component and a mold box (2), characterized in that: A mixing and conveying assembly is movably installed inside the equipment body (1), a mold box (2) is fixedly installed on one side inside the equipment body (1), and the mixing and conveying assembly comprises a mixing box (3), a first motor (4), a stirring shaft (5), stirring blades (6), a conveying box (7), a second motor (8), a conveying roller (9) and a conveying blade (10). A mixing box (3) is fixedly installed on one side inside the equipment body (1), a first motor (4) is fixedly installed on one side of the mixing box (3), an output end of the first motor (4) is connected to the stirring shaft (5), the stirring shaft (5) is arranged inside the mixing box (3), a plurality of groups of stirring blades (6) are fixedly installed on the surface of the stirring shaft (5), a conveying box (7) is fixedly installed below the mixing box (3), a second motor (8) is fixedly installed on one side of the conveying box (7), an output end of the second motor (8) is connected to the conveying roller (9), and a conveying blade (10) is fixedly installed on the surface of the conveying roller (9).
2. The hot runner conversion device for a multi-color injection molding machine according to claim 1, characterized in that: A heating box (11) is fixedly installed at a middle position inside the equipment body (1), the heating box (11) is arranged on one side of the transport box (12), and a heating block (13) is fixedly installed inside the heating box (11).
3. The hot runner conversion device for a multi-color injection molding machine according to claim 2, characterized in that: A diverter plate (14) is fixedly mounted on one side of the heating box (11), the diverter plate (14) is connected to one side of the mold box (2), and a plurality of discharge ports (15) are provided on one side of the diverter plate (14).
4. The hot runner conversion device for a multi-color injection molding machine according to claim 1, characterized in that: The surface of the mold box (2) is fixedly provided with a cooling layer (16).
5. The hot runner conversion device for a multi-color injection molding machine according to claim 4, characterized in that: A cold water tank (17) is fixedly mounted on one side of the equipment body (1), a return pipe (18) is fixedly mounted on one side of the cold water tank (17), and the return pipe (18) and the cooling layer (16) are in communication with each other.
6. The hot runner conversion device for a multi-color injection molding machine according to claim 1, characterized in that: A cover plate (19) is movably mounted on the top of the mixing box (3).
7. The hot runner conversion device for a multi-color injection molding machine according to claim 1, characterized in that: A control panel (20) is fixedly mounted on the outer side of the equipment body (1), and the control panel (20) and the diverter plate (14) are electrically connected to each other.
Citation Information
Patent Citations
Automatic feeding equipment for injection molding machine
CN112936737A