Adjustable modularized heating assembly in injection mold

By using a modularly designed electric heating component and a structure such as a bidirectional slide and connecting arm to adjust the position of the electric heating component, the problem of insufficient adaptability of existing injection mold heating components is solved, and the adaptability of injection molds is improved.

CN223507631UActive Publication Date: 2025-11-04KUNSHAN PRO-INJ PRECISION PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202423076532.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-04
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing injection mold heating components are integrated fixed structures, which have low adaptability and are difficult to adapt to the different injection positions of different products within the mold frame.

Method used

Design a modular adjustable electric heating component. Through the combination of a bidirectional slide, connecting arm, slider, locking screw and electric heating block, the position of the electric heating component can be adjusted to adapt to the heating requirements of different molds.

Benefits of technology

The position of the heating element is adjustable, which improves the adaptability of the injection mold, making it suitable for the heating needs of different molds and meeting diverse injection molding requirements.

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Abstract

The utility model relates to an adjustable modularized injection mold inner heating assembly which comprises a bidirectional sliding table, connecting arms are fixedly connected to two moving tables of the bidirectional sliding table, a sliding block is connected to each connecting arm in a sliding mode, a locking screw is connected to each sliding block in a threaded mode, a socket and a side support are arranged on each sliding block, and the side support is connected with the socket. An electric heating assembly is inserted into the socket and comprises a plug, a sliding rod, a heat conduction base and an electric heating block, two guide holes are formed in the plug, chucks are slidably connected to the positions, beside the guide holes, in the plug, a pressing head is arranged between the two chucks, inclined faces are arranged on the chucks, the pressing head is attached to the inclined faces of the two chucks, and a screw is rotationally connected to the pressing head. The electric heating block is electrically connected with the plug, and the plug is electrically connected with the socket. The electric heating device has the beneficial effects that the modularized electric heating assembly with the adjustable position is arranged, so that the electric heating device is suitable for injection molding heating requirements of different positions, is high in adaptability and can be mounted on different molds for use.
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Description

Technical Field

[0001] This utility model relates to the field of injection molds, specifically to an adjustable modular injection mold internal heating component. Background Technology

[0002] Injection molding, also known as injection molding, is a plastic parts production method that can produce complex-shaped parts with precise dimensions and easy product updates. Injection molding is suitable for mass production and molding processing fields such as complex-shaped products.

[0003] To ensure injection molding quality, existing molds typically incorporate heating elements near the runner to maintain plastic flowability. However, these heating elements are fixed, one-piece structures with limited adaptability. Since different products require different machining positions within the mold frame during injection molding, an adjustable, modular heating element for injection molds is needed. Utility Model Content

[0004] The purpose of this utility model is to provide an adjustable modular heating component for injection molds, which is equipped with a modular and adjustable electric heating component to adapt to the injection heating needs of different positions. It has high adaptability and can be installed on different molds for use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an adjustable modular injection mold heating assembly, comprising a bidirectional slide table, with connecting arms fixedly connected to both movable platforms of the bidirectional slide table, a slider slidably connected to each connecting arm, a locking screw threaded onto each slider, a socket and a side bracket on each slider, and an electric heating assembly inserted into the socket. The electric heating assembly includes a plug, a slide rod, a heat-conducting base, and an electric heating block. The plug has two guide holes, and a clamp is slidably connected to each guide hole beside the plug. A pressure head is provided between the two clamps, and the clamp has an inclined surface. The pressure head fits against the inclined surfaces of the two clamps, and a screw is rotatably connected to the pressure head. The electric heating block is electrically connected to the plug, and the plug is electrically connected to the socket.

[0006] Furthermore, both ends of the connecting arm are provided with stops, and the stops are integral with the connecting arm.

[0007] Furthermore, a limiting block is slidably connected to the side bracket, a spring is provided between the limiting block and the side bracket, and a limiting hole is opened next to the plug, with the limiting hole corresponding to the limiting block.

[0008] Furthermore, the connecting arm has multiple threaded holes, which are arranged in a linear array on the connecting arm, and the locking screw is provided corresponding to the threaded holes.

[0009] Furthermore, the slide rod is slidably connected to the plug, and the heat-conducting base is fixedly connected to the slide rod.

[0010] Furthermore, the heating block is fixedly connected to the heat-conducting base, which is made of copper, and each heat-conducting base has a clearance hole in the middle.

[0011] The beneficial effects of this utility model are as follows: It is equipped with a modular and adjustable electric heating component, which can adapt to the injection heating needs of different positions, has high adaptability, and can be installed on different molds for use. Attached Figure Description

[0012] Figure 1 This is a first-view schematic diagram of the present invention.

[0013] Figure 2 This is a second-view schematic diagram of the present invention.

[0014] Figure 3 This is a schematic diagram of the electric heating component of this utility model.

[0015] Figure 4 This is a cross-sectional view of the plug of this utility model.

[0016] In the diagram: 1. Bidirectional slide; 2. Connecting arm; 3. Slider; 301. Socket; 302. Side bracket; 303. Spring; 401. Plug; 4011. Guide hole; 4012. Clamp; 4013. Pressure head; 4014. Screw; 402. Slide rod; 403. Heat-conducting base; 404. Heating block; 5. Limiting block; 6. Locking screw. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the scope of the utility model.

[0018] refer to Figures 1-4The adjustable modular injection mold heating assembly shown includes a bidirectional slide 1. Connecting arms 2 are fixedly connected to both movable surfaces of the bidirectional slide 1. A slider 3 is slidably connected to each connecting arm 2. Locking screws 6 are threaded onto each slider 3. Each slider 3 is equipped with a socket 301 and a side bracket 302. An electric heating assembly is inserted into the socket 301. The electric heating assembly includes a plug 401, a slide rod 402, a heat-conducting base 403, and a heating block 404. The head 401 has two guide holes 4011 inside. Each guide hole 4012 is slidably connected to the plug 401 next to each guide hole 4011. A pressure head 4013 is provided between the two clamps 4012. The clamps 4012 have inclined surfaces. The pressure head 4013 fits against the inclined surfaces of the two clamps 4012. A screw 4014 is rotatably connected to the pressure head 4013. The heating block 404 is electrically connected to the plug 401. The plug 401 is electrically connected to the socket 301.

[0019] Both ends of the connecting arm 2 are equipped with stops. The stops are integrated with the connecting arm 2. The stops can limit the sliding stroke of the slider 3 and prevent the slider 3 from sliding out of the connecting arm 2.

[0020] A limiting block 5 is slidably connected on the side bracket 302. A spring 303 is provided between the limiting block 5 and the side bracket 302. A limiting hole is opened on the side of the plug 401. The limiting hole is set in correspondence with the limiting block 5. After the plug 401 is inserted into the socket 301, the limiting block 5 is locked into the limiting hole to prevent the plug 401 from coming out of the socket 301.

[0021] The connecting arm 2 has multiple threaded holes, which are arranged in a linear array on the connecting arm 2. The locking screw 6 is set in correspondence with the threaded holes, and the threaded holes are used to lock the position of the slider 3 by cooperating with the locking screw 6.

[0022] The slide rod 402 is slidably connected to the plug 401, and the plug 401 can guide the sliding of the slide rod 402. The heat-conducting seat 403 is fixedly connected to the slide rod 402.

[0023] The heating block 404 is fixedly connected to the heat-conducting seat 403. The heat-conducting seat 403 is made of copper and is used to transfer the heat of the heating block 404 to the mold. Each heat-conducting seat 403 has a relief hole in the middle, and the mold's pouring channel can be placed in the relief hole for heating.

[0024] The working principle of this utility model is as follows: When adjusting the position of the heating element, the two connecting arms 2 can be driven to move closer or further apart simultaneously by the bidirectional slide 1 to adjust the distance between the two connecting arms 2. Then, the position of the slider 3 relative to the threaded hole is adjusted by selecting the corresponding threaded hole, sliding the slider 3 and fixing it with the locking screw 6. Finally, the position of the heating block 404 relative to the plug 401 is adjusted by sliding the slide rod 402 and tightening the screw 4014 to clamp the slide rod 402 to complete the adjustment. In use, the heating block 401 extends into the mold to heat the pouring channel, and the bidirectional slide 1 is fixed on the outside of the mold.

[0025] The above embodiments are used to further illustrate the present invention, but do not limit the present invention to these specific embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. An adjustable modular injection mold heating assembly, characterized in that: The system includes a bidirectional slide (1), on which two movable platforms are fixedly connected a connecting arm (2). Each connecting arm (2) is slidably connected to a slider (3). Each slider (3) is threaded with a locking screw (6). Each slider (3) is provided with a socket (301) and a side bracket (302). An electric heating component is inserted into the socket (301). The electric heating component includes a plug (401), a slide rod (402), a heat-conducting seat (403), and an electric heating block (404). The plug (401) contains two... The plug (401) has a guide hole (4011). Each guide hole (4012) is slidably connected to a clamp (4012) next to it. A pressure head (4013) is provided between the two clamps (4012). The clamps (4012) have inclined surfaces. The pressure head (4013) is in contact with the inclined surfaces of the two clamps (4012). A screw (4014) is rotatably connected to the pressure head (4013). The heating block (404) is electrically connected to the plug (401). The plug (401) is electrically connected to the socket (301).

2. The adjustable modular injection mold heating assembly according to claim 1, characterized in that: Both ends of the connecting arm (2) are provided with stops, and the stops are integral with the connecting arm (2).

3. The adjustable modular injection mold heating assembly according to claim 1, characterized in that: A limiting block (5) is slidably connected on the side bracket (302). A spring (303) is provided between the limiting block (5) and the side bracket (302). A limiting hole is opened on the side of the plug (401). The limiting hole is correspondingly set with the limiting block (5).

4. The adjustable modular injection mold heating assembly according to claim 1, characterized in that: The connecting arm (2) has multiple threaded holes, and the multiple threaded holes are arranged in a linear array on the connecting arm (2). The locking screw (6) is set in correspondence with the threaded holes.

5. The adjustable modular injection mold heating assembly according to claim 1, characterized in that: The slide rod (402) is slidably connected to the plug (401), and the heat-conducting seat (403) is fixedly connected to the slide rod (402).

6. The adjustable modular injection mold heating assembly according to claim 1, characterized in that: The heating block (404) is fixedly connected to the heat-conducting seat (403), which is made of copper, and each heat-conducting seat (403) has a clearance hole in the middle.