Injection mold structure capable of prolonging service life of mold
By designing an injection mold structure containing an integrated water-cooled assembly, the problem of heat accumulation of sliders in injection molds is solved, timely cooling of sliders is achieved, the service life of the mold is extended and the quality of plastic products is ensured.
Patent Information
- Application Number
- CN202421854610.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-02
AI Technical Summary
The sliders and inlets in the injection mold generate heat during the molding process, causing the mold temperature to rise, affecting the quality of the plastic products and the service life of the mold.
An integrated water-cooling assembly is designed, including a slider body, slot, integrated water-cooling plate, water circuit, coolant inlet and outlet, sealing plate and counterhead bolt hole. A water circuit is opened at the bottom of the slider body by rolling friction welding to form an integrated water-cooling plate, and is fixed by counterhead bolts and sealing plates, connecting the coolant inlet and outlet and the built-in cooling pipe of the mold seat to achieve timely cooling of the slider.
It effectively extends the service life of the mold and ensures the quality of plastic products. At the same time, the thickness of the slider body is reduced through the structural design of the integrated water-cooled plate, which is easy to assemble and improves the cooling effect.
Smart Images

Figure CN222904778U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, and particularly relates to an injection mold structure that can improve the service life of the mold. Background Technique
[0002] At present, it is a relatively common plastic product manufacturing process to use injection molds to manufacture plastic products. Some plastic products need to form an undercut structure at their round holes or side walls for cooperation with other products. Generally, injection molds for making products with undercuts all have sliders, and the main function of the sliders is to form undercuts during molding and eject the undercuts during demolding.
[0003] The sliders and inserts in the injection mold will generate heat during the molding process. If this heat cannot be dissipated in time and effectively, it will cause the mold temperature to rise, which will in turn affect the quality of plastic products and the service life of the mold. Therefore, it is very necessary to cool the sliders.
[0004] Therefore, in view of this, research and improvement are carried out on the existing structural deficiencies, and an injection mold structure that can improve the service life of the mold is proposed. Content of the Utility Model
[0005] The purpose of the utility model is to provide an injection mold structure that can improve the service life of the mold, so as to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: an injection mold structure that can improve the service life of the mold, including an integrated water cooling component. The integrated water cooling component includes a slider body, a slot, an integrated water cooling plate, a water passage, a coolant inlet and outlet, a sealing plate, and countersunk bolt holes. The rear end of the slider body is inclined to be provided with a slot, and an integrated water cooling plate is fixed at the bottom end of the slider body. The integrated water cooling plate is provided with a water passage, and the two ends of the water passage are communicated with the coolant inlet and outlet. The bottom end of the integrated water cooling plate is covered with a sealing plate, and countersunk bolt holes are provided around the sealing plate.
[0007] Further, the water passage is directly formed on the integrated water cooling plate by means of friction stir welding, and the integrated water cooling plate is fixed to the sealing plate by countersunk bolts, and a sealing glue is coated at the joint of the integrated water cooling plate and the sealing plate.
[0008] Further, the slider body is arranged on both sides of the mold base, and the cooling pipes built in the mold base circulate with the water passage through the coolant inlet and outlet.
[0009] Further, a core is arranged at the middle end of the top of the mold base, and through holes are symmetrically provided on both sides of the mold base.
[0010] Furthermore, the top opening of the through hole is connected to a slide groove, and the slide groove is limitedly matched with the slider body.
[0011] Furthermore, a hot runner plate is arranged above the mold base, and a nozzle is embedded in the middle of the hot runner plate.
[0012] Furthermore, the bottom of the nozzle is connected to a cavity, and inclined guide pillars are obliquely arranged on both sides of the cavity, and the inclined guide pillars cooperate with the slots to realize the driving of the slider body.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. When the utility model is in use, the present application opens a water channel at the bottom of the slider body by rolling friction welding to form an integrated water cooling plate, and further fixes it to the sealing plate by countersunk bolts. When in use, the coolant inlet and outlet at both ends of the water channel are connected to the built-in cooling pipe of the mold base, so that the slider body can be cooled in time to extend the service life of the mold and ensure the quality of the plastic product. In addition, the structural design of the integrated water cooling plate can reduce the thickness of the slider body, which is easy to assemble and improves the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model device;
[0016] Figure 2 This is a schematic diagram of the split structure of the utility model device;
[0017] Figure 3 This is a schematic diagram of the structure of the integrated water cooling component of the utility model.
[0018] In the figure: 1. integrated water cooling assembly; 101. slider body; 102. slot; 103. integrated water cooling plate; 104. water channel; 105. coolant inlet and outlet; 106. sealing plate; 107. countersunk bolt hole; 2. mold base; 3. core; 4. through hole; 5. slide groove; 6. hot runner plate; 7. nozzle; 8. cavity; 9. inclined guide column. DETAILED DESCRIPTION
[0019] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0020] like Figures 1 to 3As shown in the figure, an injection mold structure that can improve the service life of the mold includes an integrated water-cooling component 1. The integrated water-cooling component 1 includes a slider body 101, a slot 102, an integrated water-cooling plate 103, a water channel 104, a coolant inlet and outlet 105, a sealing plate 106, and a countersunk bolt hole 107. A slot 102 is inclinedly opened at the rear end of the slider body 101, and an integrated water-cooling plate 103 is fixed to the bottom end of the slider body 101. The integrated water-cooling plate 103 is provided with a water channel 104, and both ends of the water channel 104 are communicated with a coolant inlet and outlet 105. A sealing plate 106 covers the bottom end of the integrated water-cooling plate 103, and countersunk bolt holes 107 are opened around the sealing plate 106. The water channel 104 is directly formed on the integrated water-cooling plate 103 by friction stir welding, and the integrated water-cooling plate 103 is fixed to the sealing plate 106 by countersunk bolts. And a sealing adhesive is coated at the joint of the integrated water-cooling plate 103 and the sealing plate 106. In this application, the water channel 104 is formed on the bottom of the slider body 101 by friction stir welding to form the integrated water-cooling plate 103, and it is further fixed to the sealing plate 106 by countersunk bolts. During use, the coolant inlet and outlet 105 at both ends of the water channel 104 are communicated with the built-in cooling pipes of the mold base 2, so as to cool the slider body 101 in time to extend the service life of the mold and ensure the quality of plastic products. In addition, the structural design of the integrated water-cooling plate 103 can reduce the thickness of the slider body 101, which is easy to assemble and improves the cooling effect at the same time;
[0021] As Figures 1 to 2 shown, the slider body 101 is arranged on both sides of the mold base 2, and the built-in cooling pipes of the mold base 2 circulate with the water channel 104 through the coolant inlet and outlet 105. A core 3 is arranged in the middle of the top of the mold base 2, and through holes 4 are symmetrically opened on both sides of the mold base 2. The top opening of the through hole 4 is communicated with a chute 5, and the chute 5 is in limit fit with the slider body 101. A hot runner plate 6 is arranged above the mold base 2, and a nozzle 7 is embedded in the middle of the hot runner plate 6. The bottom of the nozzle 7 is communicated with a cavity 8, and inclined guide posts 9 are arranged obliquely on both sides of the cavity 8, and the inclined guide posts 9 are matched with the slots 102 to drive the slider body 101.
[0022] Working principle: When using this injection mold structure that can improve the service life of the mold, in this application, the water channel 104 is formed on the bottom of the slider body 101 by friction stir welding to form the integrated water-cooling plate 103, and it is further fixed to the sealing plate 106 by countersunk bolts. During use, the coolant inlet and outlet 105 at both ends of the water channel 104 are communicated with the built-in cooling pipes of the mold base 2, so as to cool the slider body 101 in time to extend the service life of the mold and ensure the quality of plastic products. In addition, the structural design of the integrated water-cooling plate 103 can reduce the thickness of the slider body 101, which is easy to assemble and improves the cooling effect at the same time.
[0023] The embodiments of the present utility model are given for purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and design various embodiments with various modifications suitable for specific purposes.
Claims
1. An injection mold structure capable of increasing the service life of the mold, comprising an integrated water cooling assembly (1), characterized in that: The integrated water cooling assembly (1) comprises a slider body (101), a slot (102), an integrated water cooling plate (103), a water channel (104), a coolant inlet and outlet (105), a sealing plate (106) and a countersunk bolt hole (107); the slider body (101) has a slot (102) obliquely provided at the rear end, and the slider body (101) has an integrated water cooling plate (103) fixed at the bottom end; the integrated water cooling plate (103) has a water channel (104), and both ends of the water channel (104) are connected to the coolant inlet and outlet (105); the bottom end of the integrated water cooling plate (103) is covered with a sealing plate (106), and the sealing plate (106) has countersunk bolt holes (107) provided around it.
2. The injection mold structure capable of increasing the service life of the mold according to claim 1, characterized in that: The water channel (104) is directly opened on the integrated water cooling plate (103) by means of rolling friction welding, and the integrated water cooling plate (103) is fixed to the sealing plate (106) by means of countersunk bolts, and a sealant is coated at the joint between the integrated water cooling plate (103) and the sealing plate (106).
3. The injection mold structure capable of increasing the service life of the mold according to claim 1, characterized in that: The slider body (101) is arranged on both sides of the mold base (2), and the mold base (2) has a built-in cooling pipe that circulates with the water channel (104) through the cooling liquid inlet and outlet (105).
4. The injection mold structure capable of increasing the service life of the mold according to claim 3, characterized in that: A core (3) is provided at the middle of the top of the mold base (2), and through holes (4) are symmetrically provided on both sides of the mold base (2).
5. The injection mold structure capable of increasing the service life of the mold according to claim 4, characterized in that: The top opening of the through hole (4) is connected to a slide groove (5), and the slide groove (5) is limitedly matched with the slider body (101).
6. The injection mold structure capable of increasing the service life of the mold according to claim 3, characterized in that: A hot runner plate (6) is arranged above the mold base (2), and a nozzle (7) is embedded in the middle of the hot runner plate (6).
7. The injection mold structure capable of increasing the service life of the mold according to claim 6, characterized in that: The bottom of the nozzle (7) is connected to a cavity (8), and inclined guide pillars (9) are obliquely arranged on both sides of the cavity (8), and the inclined guide pillars (9) cooperate with the slots (102) to realize the driving of the slider body (101).