A high-efficiency cooling channel structure for plastic mold processing

By setting a branch-shaped flow channel on the molding die and combining it with a cooling fan, the problem of slow flow during plastic injection is solved, achieving efficient cooling and rapid filling, thus improving production efficiency.

CN224276005UActive Publication Date: 2026-05-26DONGGUAN BAISHUO PRECISION MOULD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN BAISHUO PRECISION MOULD CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In existing technologies, the slow flow of plastic during injection into the mold results in slow cooling, which affects production efficiency.

Method used

Tree-branch-shaped flow channels are set at both ends of the molding groove on the molding die, and air cooling is carried out in combination with a cooling fan to improve the plastic filling speed.

Benefits of technology

It accelerates the cooling speed of plastic molds, improves production efficiency, and avoids the problem of slow flow caused by high viscosity.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a high-efficiency cooling channel structure for plastic mold processing, belonging to the field of cooling channel structures. The high-efficiency cooling channel structure for plastic mold processing includes a molding mold with side baffles and a molding groove. The molding groove is formed on the molding mold and has a stop block. Secondary branch-shaped flow channels are formed at both ends of the molding groove, penetrating the stop block. A main branch-shaped flow channel is formed in the middle of the molding groove. A grounding base is provided at the lower end of the molding mold. This utility model solves the problem that in existing plastic injection molds, the flow of plastic is slow due to its high viscosity, as the plastic generally relies on its fluidity to slowly fill the molding groove.
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Description

Technical Field

[0001] This utility model relates to the field of cooling channel structure, specifically a high-efficiency cooling channel structure for plastic mold processing. Background Technology

[0002] To improve production efficiency, increase the cooling rate of the workpiece, and facilitate rapid demolding, cooling channels are usually opened in the plastic mold in related technologies. Coolant is usually injected into the cooling channels to cool the plastic mold.

[0003] Chinese Patent Publication No. CN217414599U discloses a cooling device for plastic mold processing, which is connected to the cooling channel in the plastic mold for use. In use, a cooling circulation pipe receives coolant from the outlet of the cooling channel and delivers it to the supply device of the cooling channel. During the flow of the coolant through the cooling circulation pipe, heat is transferred from the coolant to the cooling circulation pipe and then to a high-efficiency radiator, where it is dissipated. Simultaneously, an airflow cooling component generates airflow to simultaneously cool the cooling circulation pipe and the high-efficiency radiator, further enhancing the cooling effect on the coolant in the cooling circulation pipe. Therefore, this invention achieves the recycling of coolant, accelerates coolant cooling, shortens coolant cooling time, and avoids the waste of auxiliary materials caused by adding large amounts of coolant again.

[0004] When the plastic is injected into the mold in the above-mentioned patent, it generally relies on the fluidity of the plastic to slowly fill the molding groove in the mold, and the flow is relatively slow due to the high viscosity of the plastic mold. Utility Model Content

[0005] The purpose of this invention is to provide a high-efficiency cooling channel structure for plastic mold processing. By setting a molding mold on a ground base, and having a molding groove on the molding mold, and setting a branch-shaped flow channel at both ends of the molding groove separated from the stop block, multiple branch-shaped flow channels are provided to connect the two sides of the molding groove. When plastic is injected into the molding groove, a portion of the plastic will flow into the branch-shaped flow channel, accelerating the speed at which the plastic fills the molding groove, thus solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency cooling channel structure for plastic mold processing, including a molding mold, a side baffle provided on the molding mold, and a molding groove provided on the molding mold. A stop block is provided on the molding mold, secondary branch-shaped flow channels are provided at both ends of the molding groove, and the secondary branch-shaped flow channels penetrate the stop block. A main branch-shaped flow channel is provided in the middle section of the molding groove, and a ground-contacting base is provided at the lower end of the molding mold.

[0007] Preferably, one end of the molding die is provided with a material conveying pipe, which passes through a side baffle.

[0008] Preferably, a flow-stop valve is provided at one end of the conveying pipe, and the flow-stop valve is threadedly connected to the conveying pipe.

[0009] Preferably, the feed pipe has a feed port at the end near the shut-off valve, and the feed port is integrally formed with the feed pipe.

[0010] Preferably, the conveying pipe has an outlet at the end furthest from the injection port.

[0011] Preferably, a fixed base is provided at the upper end of the side baffle, and the fixed base is welded to the side baffle.

[0012] Preferably, a cooling fan is provided on the fixed base.

[0013] Preferably, a filter screen is provided at the air inlet of the cooling fan.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This invention features a molding mold mounted on a ground-contact base. The molding mold has molding grooves, and multiple branch-shaped flow channels are positioned at both ends of the molding groove, connecting the two sides of the molding groove. When plastic is injected into the molding groove, some of the plastic flows into the branch-shaped flow channels, accelerating the filling of the molding groove. This effectively avoids the problem in existing plastic injection molds where the plastic slowly fills the molding groove due to its high viscosity, relying on its fluidity. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the overall right-side structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the overall main structure of this utility model;

[0019] Figure 4 This is a top view schematic diagram of the overall structure of this utility model.

[0020] In the diagram: 1. Ground contact base; 2. Molding mold; 3. Side baffle; 4. Molding groove; 5. Stop block; 6. Secondary branch-shaped flow channel; 7. Main branch-shaped flow channel; 8. Material conveying pipe; 9. Flow cut-off valve; 10. Injection port; 11. Fixed base; 12. Cooling fan; 13. Filter screen; 14. Discharge port. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] To address the problem in existing technologies where plastic injection into molds typically relies on the slow flow of the plastic to gradually fill the molding groove, and where the high viscosity of the plastic results in slow flow, this embodiment provides the following technical solution:

[0023] A high-efficiency cooling channel structure for plastic mold processing includes a molding die 2 with side baffles 3, a molding groove 4 formed on the molding die 2, a stop block 5 on the molding die 2, secondary branch-shaped flow channels 6 at both ends of the molding groove 4 penetrating the stop block 5, a main branch-shaped flow channel 7 in the middle of the molding groove 4, a grounding base 1 at the lower end of the molding die 2, and a material conveying pipe 8 at one end of the molding die 2, which passes through the side baffles. Plate 3, a flow cut-off valve 9 is provided at one end of the conveying pipe 8, the flow cut-off valve 9 is threadedly connected to the conveying pipe 8, the conveying pipe 8 has a filling port 10 at the end near the flow cut-off valve 9, the filling port 10 is integrally formed with the conveying pipe 8, the conveying pipe 8 has a discharge port 14 at the end away from the filling port 10, a fixed base 11 is provided at the upper end of the side baffle 3, the fixed base 11 is welded to the side baffle 3, a cooling fan 12 is provided on the fixed base 11, and a filter screen 13 is provided at the air inlet of the cooling fan 12;

[0024] In this embodiment, please refer to Figures 1-4 A molding mold 2 is provided on the ground base 1, and a molding groove 4 is provided on the molding mold 2. Tree branch-shaped flow channels are provided at both ends of the molding groove 4, which are separated from the baffle 5. Multiple tree branch-shaped flow channels are provided to connect the two sides of the molding groove 4. When plastic is injected into the molding groove 4, some of the plastic will flow into the tree branch-shaped flow channels, which will speed up the process of filling the molding groove 4 with plastic.

[0025] Working principle: The operator first connects a hose with a plastic storage device at one end to the conveying pipe 8, and opens the flow cut-off valve 9. The material pump at one end of the hose feeds the plastic from the conveying pipe 8 into the molding tank 4. The plastic begins to flow slowly into the molding tank 4. A molding mold 2 is set on the ground base 1, and the molding mold 2 has a molding tank 4. Tree branch-shaped flow channels are set at both ends of the molding tank 4, separated by the baffle 5. Multiple tree branch-shaped flow channels are set to connect the two sides of the molding tank 4. When the plastic is injected into the molding tank 4, some of the plastic will flow into the tree branch-shaped flow channels, which speeds up the filling of the molding tank 4. Then, the cooling fan 12 located at the top of the molding tank 4 starts to work to cool the plastic in the molding tank 4.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency cooling channel structure for plastic mold processing, comprising a molding die (2), wherein a side baffle (3) is provided on the molding die (2); characterized in that It also includes a forming groove (4), which is formed on the forming mold (2). The forming mold (2) is provided with a stop block (5). The forming groove (4) has secondary tree branch-shaped flow grooves (6) at both ends. The secondary tree branch-shaped flow grooves (6) pass through the stop block (5). The forming groove (4) has a main tree branch-shaped flow groove (7) in the middle section. The forming mold (2) has a ground-contacting base (1) at the lower end.

2. The high efficient cooling runner structure for plastic mold processing according to claim 1, characterized in that: The molding die (2) is provided with a material conveying pipe (8) at one end, and the material conveying pipe (8) passes through the side baffle (3).

3. The high efficient cooling runner structure for plastic mold processing according to claim 2, characterized in that: A flow-stop valve (9) is provided at one end of the conveying pipe (8), and the flow-stop valve (9) is threadedly connected to the conveying pipe (8).

4. The high efficient cooling runner structure for plastic mold processing according to claim 3, characterized in that: The material conveying pipe (8) has an injection port (10) at the end near the flow cut-off valve (9), and the injection port (10) is integrally formed with the material conveying pipe (8).

5. The high-efficiency cooling channel structure for plastic mold processing according to claim 4, characterized in that: The conveying pipe (8) has an outlet (14) at the end away from the injection port (10).

6. The high-efficiency cooling channel structure for plastic mold processing according to claim 1, characterized in that: The upper end of the side baffle (3) is provided with a fixed base (11), and the fixed base (11) is welded to the side baffle (3).

7. The high-efficiency cooling channel structure for plastic mold processing according to claim 6, characterized in that: A cooling fan (12) is provided on the fixed base (11).

8. The high-efficiency cooling channel structure for plastic mold processing according to claim 7, characterized in that: A filter screen (13) is provided at the air inlet of the cooling fan (12).