Hot runner temperature control box with improved structure

By introducing a main controller and a hot runner temperature control card into the hot runner temperature control box, the problem of difficulty in independently controlling multiple hot runner heaters in the prior art is solved, realizing a novel structural design and convenient use of the hot runner temperature control box.

CN224183617UActive Publication Date: 2026-05-01SINO MOLD COMPONENTDONG GUANCO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SINO MOLD COMPONENTDONG GUANCO LTD
Filing Date
2025-04-24
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing hot runner temperature control boxes are inconvenient to use because they cannot independently control and provide feedback on the operating status of multiple hot runner heaters.

Method used

An improved hot runner temperature control box was designed, which includes a main controller, a hot runner temperature control card, a control circuit board and a heater connection interface. It realizes that each group of hot runner heaters corresponds to one temperature control card, and the main controller realizes the synchronous control and status display of multiple groups of heaters.

Benefits of technology

It enables independent control and unified management of each group of hot runner heaters, improving ease of use and simplifying the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hot runner temperature control box with an improved structure, which comprises a main box body, a box body accommodating cavity is formed in the main box body, and the main box body is provided with a front panel positioned on the front side of the box body accommodating cavity and a rear back plate positioned on the rear side of the box body accommodating cavity; a control circuit board is embedded in the box body accommodating cavity, a main controller is arranged on the front panel, an injection molding machine connecting interface is arranged on the back panel, and the main controller and the injection molding machine connecting interface are respectively and electrically connected with the control circuit board; the back plate is provided with heater connecting interfaces for connecting a plurality of groups of hot runner heaters beside the injection molding machine connecting interface, and the heater connecting interfaces are electrically connected with the control circuit board; a plurality of hot runner temperature control cards which are arranged in an array are arranged on the front panel beside the main controller; and each hot runner temperature control card is electrically connected with the control circuit board. By means of the structural design, the hot runner temperature control box with the improved structure has the advantages of being novel in structural design and good in use convenience.
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Description

A structurally improved hot runner temperature control box Technical Field

[0001] This utility model relates to the field of hot runner system technology, and in particular to a hot runner temperature control box with improved structure. Background Technology

[0002] Hot runner systems use heating to keep the plastic in the runner and gate in a molten state. The core components of a hot runner system are the hot runner heater and the hot runner temperature control box. The hot runner heater is installed in the hot runner mold to heat the mold. The hot runner heater is connected to the hot runner temperature control box, which controls the heating action of the hot runner heater. In industrial production, the hot runner temperature control box plays a crucial role in controlling the temperature of the hot runner system.

[0003] Among them, the Chinese utility model patent with patent number ZL202220190990.X and patent name: "An Intelligent Temperature Control Box for Hot Runner Systems of Injection Molds" substantially discloses a hot runner temperature control box. Specifically, this intelligent temperature control box for hot runner systems of injection molds discloses the following technical solution: An intelligent temperature control box for hot runner systems of injection molds includes a box body, a touch industrial display screen, an alarm light, and a control circuit board. The control circuit board is installed inside the box body, the touch industrial display screen is located at the front of the box body, and both the alarm light and the touch industrial display screen are connected to the control circuit board. An injection injection signal interface is provided on the side of the box body, and the injection injection signal interface is connected to the control circuit board. The injection injection signal interface is connected to the injection injection signal interface of the injection molding machine via a signal cable. A cooling fan is installed inside the box body, and the cooling fan has ventilation holes on both sides. Handle grooves are provided on both sides of the box body.

[0004] It should be noted that the intelligent temperature control box used for injection mold hot runner systems still has the following drawbacks: the hot runner temperature control box is often connected to multiple hot runner heaters, and it is not convenient to independently control each group of hot runner heaters and receive feedback on their working status through the touch industrial display screen alone, making it inconvenient to use. Summary of the Invention

[0005] The purpose of this utility model is to provide a structurally improved hot runner temperature control box to address the shortcomings of the existing technology. This structurally improved hot runner temperature control box has a novel structural design and is easy to use.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0007] A structurally improved hot runner temperature control box includes a main box body, the main box body having a box body receiving cavity formed inside, and the main box body having a front panel located on the front side of the box body receiving cavity and a rear panel located on the rear side of the box body receiving cavity.

[0008] The housing cavity contains a control circuit board. The front panel is equipped with a main controller, and the rear panel is equipped with an injection molding machine connection interface. The main controller and the injection molding machine connection interface are electrically connected to the control circuit board.

[0009] The back panel is equipped with a heater connection interface for connecting multiple hot runner heaters on the side of the injection molding machine connection interface. The heater connection interface is electrically connected to the control circuit board.

[0010] The front panel is equipped with several hot runner temperature control cards arranged in an array next to the main controller. Each hot runner temperature control card is electrically connected to the control circuit board.

[0011] The control circuit board is provided with a plug-in interface for the main controller and each of the hot runner temperature control cards. The power terminals of the main controller and each hot runner temperature control card are plugged into the corresponding plug-in interface to achieve electrical connection.

[0012] The housing cavity also contains a power supply, which is electrically connected to the control circuit board. The power supply has a power line extending to the outside of the main housing.

[0013] An alarm light is installed on the outer wall of the main housing, and the alarm light is electrically connected to the control circuit board.

[0014] The main body is also provided with a left side plate located on the left side of the housing cavity and a right side plate located on the right side of the housing cavity, and the left side plate and the right side plate are respectively equipped with a lifting handle.

[0015] The main controller is an LCD controller.

[0016] The rear panel is provided with a heat dissipation vent, and a cooling fan that blows air towards the heat dissipation vent is embedded in the housing cavity.

[0017] The main housing is also equipped with a bottom plate, which has ventilation holes for heat dissipation.

[0018] The lower surface of the base plate is equipped with several spaced-apart foot pads.

[0019] An air switch is installed on the outer wall of the main housing, and the air switch is electrically connected to the control circuit board.

[0020] Compared with the prior art, the present invention has the following beneficial effects, specifically:

[0021] 1. This utility model connects multiple sets of hot runner heaters through a heater connection interface, and each set of hot runner heaters corresponds to a hot runner temperature control card; in use, the operator can control the corresponding hot runner heater and display the working status through each hot runner temperature control card, so as to realize the individual control of each hot runner heater.

[0022] 2. When this utility model is in operation, the operator can realize the synchronous setting of all hot runner temperature control cards through the main controller, that is, realize the synchronous heating of all hot runner heaters through the main controller, thereby avoiding the need to operate each hot runner temperature control card to control the corresponding hot runner heater, thus improving the convenience of use.

[0023] 3. Therefore, the improved hot runner temperature control box of this utility model has the advantages of novel structural design and good ease of use. Attached Figure Description

[0024] The present invention will be further described below with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention.

[0025] Figure 1 is a schematic diagram of the structure of this utility model.

[0026] Figure 2 is a structural schematic diagram of this utility model from another perspective.

[0027] Figure 3 is a partial structural schematic diagram of this utility model.

[0028] Figures 1 to 3 include:

[0029] 1-Main cabinet; 11-Cabinet cavity; 12-Front panel; 13-Rear panel; 131-Heat dissipation vent; 14-Left side panel; 15-Right side panel; 16-Bottom plate; 161-Heat dissipation vent; 2-Control circuit board; 21-Plug-in interface; 3-Main controller; 4-Injection molding machine connection interface; 5-Heater connection interface; 6-Hot runner temperature control card; 71-Power supply; 72-Power cord; 8-Alarm light; 91-Lifting handle; 92-Cooling fan; 93-Foot pads; 94-Air switch. Detailed Implementation

[0030] The present invention will now be described in conjunction with specific embodiments.

[0031] Example 1, as shown in Figures 1 to 3, is a structurally improved hot runner temperature control box, including a main box body 1, with a box housing cavity 11 formed inside the main box body 1, and a front panel 12 located on the front side of the box housing cavity 11 and a rear panel 13 located on the rear side of the box housing cavity 11.

[0032] As shown in Figures 1 to 3, the housing cavity 11 contains a control circuit board 2, the front panel 12 is equipped with a main controller 3, and the rear panel 13 is equipped with an injection molding machine connection interface 4. The main controller 3 and the injection molding machine connection interface 4 are electrically connected to the control circuit board 2. It should be noted that the main controller 3 in this embodiment is an LCD controller.

[0033] Furthermore, as shown in Figures 2 and 3, the back panel 13 is equipped with a heater connection interface 5 for connecting multiple sets of hot runner heaters on the side of the injection molding machine connection interface 4. The heater connection interface 5 is electrically connected to the control circuit board 2.

[0034] Furthermore, as shown in Figures 1 and 3, the front panel 12 is equipped with several hot runner temperature control cards 6 arranged in an array on the side of the main controller 3, and each hot runner temperature control card 6 is electrically connected to the control circuit board 2.

[0035] When the hot runner temperature control box with the improved structure in this embodiment is working, the injection molding machine connection interface 4 is electrically connected to the injection molding machine controller through a signal line; when the heating temperature of the hot runner heater reaches the set value, the control circuit board 2 feeds back the signal to the injection molding machine controller through the signal line, and the injection molding machine controller then controls the injection action, thereby realizing linkage with the injection molding machine.

[0036] It should be noted that the improved hot runner temperature control box in this embodiment connects multiple sets of hot runner heaters through the heater connection interface 5, and each set of hot runner heaters corresponds to a hot runner temperature control card 6. In use, when the heating temperatures of multiple sets of hot runner heaters are different, the operator can control the corresponding hot runner heater and display the working status through each hot runner temperature control card 6, so as to realize the individual control of each hot runner heater.

[0037] It should be emphasized that when the hot runner temperature control box with the improved structure in this embodiment is working, the operator can realize the synchronous setting of all hot runner temperature control cards 6 through the main controller 3, that is, realize the synchronous heating of all hot runner heaters through the main controller 3, thereby avoiding the need to operate each hot runner temperature control card 6 to control the corresponding hot runner heater, thus improving the convenience of use.

[0038] In summary, the improved hot runner temperature control box of this embodiment has the advantages of novel structural design and good ease of use.

[0039] Example 2, as shown in Figure 3, differs from Example 1 in that the control circuit board 2 is provided with a plug-in interface 21 corresponding to the main controller 3 and each hot runner temperature control card 6. The power terminals of the main controller 3 and each hot runner temperature control card 6 are plugged into the corresponding plug-in interface 21 to achieve electrical connection.

[0040] For the improved hot runner temperature control box in this embodiment 2, by setting the plug-in interface 21, this embodiment 2 can realize quick electrical connection between the hot runner control card, the main controller 3 and the control circuit board 2, so as to improve the convenience of assembly operations.

[0041] Example 3, as shown in Figures 2 and 3, differs from Example 1 in that: a power supply 71 is also embedded in the housing cavity 11, the power supply 71 is electrically connected to the control circuit board 2, and the power supply 71 is provided with a power line 72 extending to the outside of the main housing 1.

[0042] When the improved hot runner temperature control box of this embodiment 3 is working, the power cord 72 is connected to the mains power.

[0043] Example 4, as shown in Figures 1 to 3, differs from Example 1 in that: the outer wall of the main housing 1 is equipped with an alarm light 8, which is electrically connected to the control circuit board 2.

[0044] When the hot runner temperature control box with the improved structure in this embodiment 4 is working, if an abnormal situation occurs, the control circuit board 2 will activate the alarm light 8, and the alarm light 8 will emit an alarm signal to remind the staff to perform maintenance operations in a timely manner.

[0045] Example 5, as shown in Figures 1 and 2, differs from Example 1 in that the main housing 1 is further provided with a left side plate 14 located on the left side of the housing cavity 11 and a right side plate 15 located on the right side of the housing cavity 11. The left side plate 14 and the right side plate 15 are respectively equipped with lifting handles 91.

[0046] The lifting handles 91 installed on the left side panel 14 and the right side panel 15 can facilitate the movement of the main body 1.

[0047] Example 6, as shown in Figures 2 and 3, differs from Example 1 in that: the rear panel 13 has a heat dissipation vent 131, and the housing cavity 11 is fitted with a cooling fan 92 that blows air toward the heat dissipation vent 131.

[0048] In addition, the main body 1 is also provided with a bottom plate 16, and the bottom plate 16 has heat dissipation air inlet holes 161.

[0049] When the improved hot runner temperature control box of this embodiment is working, the control circuit board 2 controls the cooling fan 92 to start. Under the driving action of the cooling fan 92, the external cold air enters the box housing cavity 11 through the heat dissipation air inlet 161 of the bottom plate 16, and the heat dissipation air is finally discharged through the heat dissipation air outlet 131 of the rear plate 13. When the heat dissipation air passes through the box housing cavity 11, the heat dissipation air dissipates heat from the control circuit board 2, the hot runner control card and the main controller 3.

[0050] Example 7, as shown in Figures 1 and 2, differs from Example 1 in that: the lower surface of the base plate 16 is equipped with a number of spaced foot pads 93.

[0051] Example 8, as shown in Figure 2, differs from Example 1 in that: an air switch 94 is installed on the outer wall of the main housing 1, and the air switch 94 is electrically connected to the control circuit board 2.

[0052] In the operation of the improved hot runner temperature control box in this embodiment eight, when an abnormal situation occurs, such as leakage or short circuit in the hot runner heater, the air switch 94 will automatically disconnect to achieve a protective function.

[0053] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A structurally improved hot runner temperature control box, comprising a main box body (1), wherein the main box body (1) has a box housing cavity (11) formed inside, the main box body (1) is provided with a front panel (12) located in front of the box housing cavity (11) and a rear panel (13) located behind the box housing cavity (11); a control circuit board (2) is embedded in the box housing cavity (11), a main controller (3) is installed on the front panel (12), and an injection molding machine connection interface (4) is installed on the rear panel (13), the main controller (3) and the injection molding machine connection interface (4) are electrically connected to the control circuit board (2) respectively; characterized in that: The back panel (13) is equipped with a heater connection interface (5) for connecting multiple hot runner heaters on the side of the injection molding machine connection interface (4). The heater connection interface (5) is electrically connected to the control circuit board (2). The front panel (12) is equipped with several hot runner temperature control cards (6) arranged in an array on the side of the main controller (3). Each hot runner temperature control card (6) is electrically connected to the control circuit board (2).

2. The improved hot runner temperature control box according to claim 1, characterized in that: The control circuit board (2) is provided with a plug-in interface (21) for the main controller (3) and each of the hot runner temperature control cards (6). The power terminals of the main controller (3) and each of the hot runner temperature control cards (6) are plugged into the corresponding plug-in interface (21) to achieve electrical connection.

3. The improved hot runner temperature control box according to claim 1, characterized in that: The housing cavity (11) of the box is also equipped with a power supply (71), which is electrically connected to the control circuit board (2). The power supply (71) is provided with a power line (72) extending to the outside of the main housing (1).

4. The improved hot runner temperature control box according to claim 1, characterized in that: An alarm light (8) is installed on the outer wall of the main housing (1), and the alarm light (8) is electrically connected to the control circuit board (2).

5. The improved hot runner temperature control box according to claim 1, characterized in that: The main body (1) is also provided with a left side plate (14) located on the left side of the housing cavity (11) and a right side plate (15) located on the right side of the housing cavity (11). The left side plate (14) and the right side plate (15) are respectively equipped with a lifting handle (91).

6. The improved hot runner temperature control box according to claim 1, characterized in that: The main controller (3) is an LCD controller.

7. A structurally improved hot runner temperature control box according to claim 1, characterized in that: The rear panel (13) has a heat dissipation vent (131), and the housing cavity (11) is fitted with a heat dissipation fan (92) that blows air toward the heat dissipation vent (131); the main housing (1) is also provided with a bottom plate (16), and the bottom plate (16) has a heat dissipation inlet (161).

8. A structurally improved hot runner temperature control box according to claim 7, characterized in that: The lower surface of the base plate (16) is provided with a number of spaced foot pads (93).

9. A structurally improved hot runner temperature control box according to claim 7, characterized in that: An air switch (94) is installed on the outer wall of the main housing (1), and the air switch (94) is electrically connected to the control circuit board (2).

Citation Information

Patent Citations

  • Intelligent temperature control box for hot runner system of injection mold

    CN217319191U