A cvt / utv mold partial cooling mechanism
By designing a localized cooling mechanism for the mold, and using a combination of mold core components, temperature sensors, and spiral water transport bars with an electromagnetic flow control valve, precise temperature control and uniform cooling of the mold are achieved. This solves the problem of poor cooling uniformity in traditional mold cooling systems and improves the molding quality and production efficiency of CVT/UTV parts.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINAN HONGZHENG TECH
- Filing Date
- 2025-07-16
- Publication Date
- 2026-06-02
Smart Images

Figure CN224311138U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mold cooling technology, and in particular to a local cooling mechanism for CVT / UTV molds. Background Technology
[0002] In the injection molding process of CVT (Continuously Variable Transmission) and UTV (All-Terrain Vehicle) components, the cooling efficiency of the mold directly affects the molding quality, production cycle and dimensional stability of the product.
[0003] Traditional mold cooling systems typically use straight cooling channels, which result in poor cooling uniformity. The cooling water flows directly onto the mold base through the cooling pipes. Although existing cooling systems use temperature monitoring equipment to cool the mold base, in actual use, it is difficult to precisely control the flow rate of the cooling water in the cooling pipes. This makes it difficult to meet the production requirements of high-precision parts and can easily lead to local overheating or insufficient cooling. This can cause deformation, shrinkage marks, or internal stress concentration in the molded products, resulting in low cooling efficiency and an inability to achieve dynamic adjustment of the cooling water. Utility Model Content
[0004] The purpose of this invention is to provide a local cooling mechanism for CVT / UTV molds to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a CVT / UTV mold local cooling mechanism, comprising:
[0006] Mold components;
[0007] A needle plate assembly, wherein the needle plate assembly is mounted at one end of the mold assembly;
[0008] A mold core assembly, wherein the mold core assembly is mounted in the middle of the mold assembly;
[0009] A temperature sensor, which is mounted at the other end of the mold assembly;
[0010] Water collectors, multiple water collectors are installed on one side of the mold assembly;
[0011] A spiral water conveying rod is installed in the middle of the mold core assembly and is used for conveying the melt.
[0012] A sprue bushing is installed at the other end of the mold assembly.
[0013] Preferred options also include:
[0014] Aviation sockets, a plurality of said aviation sockets being mounted on the outer wall of the mold assembly;
[0015] Electromagnetic flow control valves, a plurality of such electromagnetic flow control valves are installed on the outer wall of the mold assembly, and the electromagnetic flow control valves are connected to the water collector via pipes.
[0016] Preferably, the mold assembly includes:
[0017] The mother template, wherein the gate sleeve is formed on the outer wall of the mother template;
[0018] The male template is fitted and installed in conjunction with the female template, and the core assembly is installed at the middle of the male and female templates respectively.
[0019] The square iron is installed at one end of the male template.
[0020] Preferably, the needle plate assembly includes:
[0021] Upper needle plate, which is movable in the middle of the square iron, is used for ejecting the forming mold body;
[0022] The lower needle plate is installed in the middle of the square iron and is used to limit the end of the upper needle plate.
[0023] Preferably, the mold core assembly includes:
[0024] A male mold base, which is fixed to the middle of the male mold template;
[0025] The male mold core is located in the middle of the male mold base;
[0026] A male mold mandrel, which is installed in the middle of the male mold core;
[0027] A female mold base, which is fixed to the middle of the female mold template;
[0028] The female mold core is located in the middle of the female mold base;
[0029] The female mold mandrel is installed in the middle of the female mold core. Both the male mold mandrel and the female mold mandrel are used for the flow of melt.
[0030] Preferably, a plurality of the spiral water-carrying rods are respectively installed in the middle of the male mold mandrel and the middle of the female mold mandrel, and the spiral water-carrying rods are used for transporting the melt.
[0031] Preferably, the temperature sensor passes through the middle of the female mold plate and is fixed to the middle of the female mold base, and the plurality of water collectors are respectively fixed to the outer wall of the female mold plate and the outer wall of the male mold plate, and the water collectors are used for cooling the male mold base and the female mold base through cooling pipes.
[0032] Preferably, the electromagnetic flow control valve is used to control the collection and return flow of multiple water sources on the water collector, and the aviation socket is used for power supply and signal transmission for the water collector and temperature sensor.
[0033] The technical effects and advantages of this utility model are as follows:
[0034] This invention utilizes a combination of a mold core assembly, a temperature sensor, a water collector, and a spiral water conveying rod. The single-spiral structure of the spiral water conveying rod drives active melt delivery and cooling, significantly improving cooling uniformity, preventing localized overheating, and shortening the product molding cycle. The water collector and spiral water conveying rod form a zoned cooling network, combined with independent cooling channels for the male / female mold mandrels, achieving efficient heat dissipation for complex mold cores, precise temperature control, and optimized product molding quality. It is suitable for rapid molding of high-precision CVT / UTV parts. Attached Figure Description
[0035] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0036] Figure 2 This is a schematic diagram of the overall front cross-sectional structure of this utility model.
[0037] Figure 3 This is a schematic diagram of the overall side structure of this utility model.
[0038] In the diagram: 100, Mold assembly; 101, Female mold plate; 102, Male mold plate; 103, Square iron; 200, Needle plate assembly; 201, Upper needle plate; 202, Lower needle plate; 300, Mold core assembly; 301, Male mold base; 302, Male mold core; 303, Male mold mandrel; 304, Female mold base; 305, Female mold core; 306, Female mold mandrel; 400, Temperature sensor; 500, Water collector; 600, Spiral water conveyor; 700, Sprue bushing; 800, Aviation socket; 900, Electromagnetic flow control valve Detailed Implementation
[0039] 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.
[0040] This utility model provides, for example Figure 1-3The CVT / UTV mold local cooling mechanism shown includes a mold assembly 100, a pin plate assembly 200, a mold core assembly 300, a temperature sensor 400, a water collector 500, a spiral water conveying rod 600, a sprue bushing 700, an aviation socket 800, and an electromagnetic flow control valve 900. The mold assembly 100 includes a female mold plate 101, a male mold plate 102, and a square iron plate 103. The male mold plate 102 is fitted and attached to the female mold plate 101. The square iron plate 103 is installed at one end of the male mold plate 102. The pin plate assembly 200 is installed at one end of the mold assembly 100 and in the middle of the square iron plate 103. The mold core assembly 300 is installed in the middle of the mold assembly 100 and is mounted on both the female mold plate 101 and the male mold plate 102. In the opposite middle section, the core assembly 300 is used for forming the CVT / UTV mold body. The temperature sensor 400 is installed at the other end of the mold assembly 100 and is used to sense the temperature on the core assembly 300. Multiple water collectors 500 are installed on one side of the mold assembly 100. The spiral water transport bar 600 is installed in the middle of the core assembly 300 and is used for transporting the melt. The sprue sleeve 700 is installed at the other end of the mold assembly 100 and is opened on the outer wall of the mother mold 101. Multiple aviation sockets 800 are installed on the outer wall of the mold assembly 100. Multiple electromagnetic flow control valves 900 are installed on the outer wall of the mold assembly 100 and are connected to the water collectors 500 through pipes.
[0041] The needle plate assembly 200 includes an upper needle plate 201 and a lower needle plate 202. The upper needle plate 201 is movable in the middle of the square iron 103 and is used for ejecting the forming mold body. The lower needle plate 202 is installed in the middle of the square iron 103 and is used for limiting the end of the upper needle plate 201.
[0042] Furthermore, the mold core assembly 300 includes a male mold base 301, a male mold core 302, a male mold mandrel 303, a female mold base 304, a female mold core 305, and a female mold mandrel 306. The male mold base 301 is fixed to the middle of the male mold template 102, the male mold core 302 is disposed in the middle of the male mold base 301, the male mold mandrel 303 is installed in the middle of the male mold core 302, the female mold base 304 is fixed to the middle of the female mold template 101, the female mold core 305 is disposed in the middle of the female mold base 304, and the female mold mandrel 306 is installed in the middle of the female mold core 304. In the middle of 5, both the male mold core 303 and the female mold core 306 are used for the flow of melt. When the female mold plate 101 is set opposite to the male mold plate 102, the male mold base 301 and the female mold base 304 are set opposite to each other, and the male mold core 302 can be set opposite to the female mold core 305, which facilitates the forming of the mold body. The mold core assembly 300 adopts a symmetrical split structure of male and female molds, which, together with the ejection mechanism of the upper needle plate 201 / lower needle plate 202 of the needle plate assembly 200, simplifies the disassembly and maintenance process and improves the mold life and production efficiency.
[0043] Multiple spiral water-carrying rods 600 are respectively installed in the middle of the male mold mandrel 303 and the female mold mandrel 306. The spiral water-carrying rods 600 are used for transporting the melt. The spiral water-carrying rods 600 have a single spiral structure and are connected to a rotary motor to facilitate stable rotation of the spiral water-carrying rods 600. This allows the melt in the middle of the male mold mandrel 303 and the female mold mandrel 306 to flow stably between the male mold core 302 and the female mold core 305. The spiral water-carrying rods 600 with a single spiral structure are embedded in the middle of the male mold mandrel 303 and the female mold mandrel 306. Driven by the rotary motor, they form an active melt transport and cooling system, which significantly improves cooling uniformity, avoids local overheating, and shortens the molding cycle. The water collector 500 and the spiral water-carrying rods 600 form a regional cooling network. Combined with the independent cooling channels of the male / female mold mandrels, it achieves efficient heat dissipation of complex mold cores and is suitable for rapid prototyping of high-precision CVT / UTV parts.
[0044] Furthermore, the temperature sensor 400 passes through the middle of the female mold plate 101 and is fixed to the middle of the female mold base 304. Multiple water collectors 500 are respectively fixed to the outer wall of the female mold plate 101 and the outer wall of the male mold plate 102. The water collectors 500 are used to cool the male mold base 301 and the female mold base 304 through cooling pipes. The electromagnetic flow control valve 900 is used to control the collection and return flow of multiple water sources on the water collectors 500. The integrated temperature sensor 400 monitors the mold core temperature in real time. Combined with the electromagnetic flow control valve 900, the flow of multiple cooling water sources in the water collectors 500 is dynamically adjusted to achieve precise temperature control and optimize product molding quality. The aviation socket 800 is used for power supply and signal transmission of the water collectors 500 and the temperature sensor 400. The centralized power supply and signal transmission through the aviation socket 800 ensure the stable operation of components such as temperature sensors and solenoid valves, reduce circuit complexity, and enhance system reliability.
[0045] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A local cooling mechanism for CVT / UTV molds, characterized in that, include: Mold assembly (100); A needle plate assembly (200) is mounted at one end of a mold assembly (100); A mold core assembly (300) is mounted in the middle of a mold assembly (100); Temperature sensor (400), said temperature sensor (400) is mounted at the other end of mold assembly (100); Water collectors (500), a plurality of said water collectors (500) are mounted on one side of the mold assembly (100); A spiral water conveying rod (600) is installed in the middle of the mold core assembly (300) and is used for conveying the melt. A sprue bushing (700) is installed at the other end of the mold assembly (100).
2. The CVT / UTV mold local cooling mechanism according to claim 1, characterized in that, Also includes: Aviation sockets (800), a plurality of said aviation sockets (800) are mounted on the outer wall of the mold assembly (100); Electromagnetic flow control valves (900), a plurality of such electromagnetic flow control valves (900) are mounted on the outer wall of the mold assembly (100), and the electromagnetic flow control valves (900) are connected to the water collector (500) via pipes.
3. The CVT / UTV mold local cooling mechanism according to claim 1, characterized in that, The mold assembly (100) includes: The mother template (101) has the sprue sleeve (700) located on the outer wall of the mother template (101); The male template (102) is fitted and installed in conjunction with the female template (101), and the core assembly (300) is installed in the middle of the female template (101) and the male template (102); Square iron (103) is installed at one end of the male template (102).
4. A CVT / UTV mold local cooling mechanism according to claim 3, characterized in that, The needle plate assembly (200) includes: Upper needle plate (201), which is movable in the middle of square iron (103), is used for ejecting the forming mold body; The lower needle plate (202) is installed in the middle of the square iron (103) and is used to limit the end of the upper needle plate (201).
5. A CVT / UTV mold local cooling mechanism according to claim 3, characterized in that, The mold core assembly (300) includes: A male mold base (301) is fixed to the middle of the male mold plate (102); Male mold core (302), wherein the male mold core (302) is disposed in the middle of the male mold base (301); A male mold mandrel (303) is installed in the middle of the male mold core (302); A female mold base (304) is fixed to the middle of the female mold plate (101); The female mold core (305) is disposed in the middle of the female mold base (304); The female mold mandrel (306) is installed in the middle of the female mold core (305). Both the male mold mandrel (303) and the female mold mandrel (306) are used for the flow of melt.
6. A CVT / UTV mold local cooling mechanism according to claim 5, characterized in that, Multiple spiral water transport rods (600) are respectively installed in the middle of the male mold mandrel (303) and the middle of the female mold mandrel (306), and the spiral water transport rods (600) are used for transporting the melt.
7. A CVT / UTV mold local cooling mechanism according to claim 5, characterized in that, The temperature sensor (400) passes through the middle of the female template (101) and is fixed to the middle of the female mold base (304). The multiple water collectors (500) are respectively fixed to the outer wall of the female template (101) and the outer wall of the male template (102), and the water collectors (500) are used for cooling the male mold base (301) and the female mold base (304) through cooling pipes.
8. A CVT / UTV mold local cooling mechanism according to claim 2, characterized in that, The electromagnetic flow control valve (900) is used to control the collection and return flow of multiple water sources on the water collector (500), and the aviation socket (800) is used for the power supply and signal transmission of the water collector (500) and the temperature sensor (400).