Blister mold with cooling water path
Patent Information
- Application Number
- CN202521811909.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-25
- Publication Date
- 2026-09-15
- Estimated Expiration
- 2035-08-25
AI Technical Summary
[0003]大部分的吸塑模具在对塑料进行成型时,需要先进行冷却,大多都是自然冷却,利用模具自身的金属导热性,将成型塑料片材的热量传导至空气中,让其缓慢降温固化,然后固化后利用工具将成型模具进行取出,但是这样冷却耗时较长,降低整体生产效率,以及冷却过程中温度下降不均匀,影响产品精度
冷却效率与产品精度提升:本模具通过水泵驱动冷却液在循环水路、传输水路、巡回水路中循环,冷却液直接流经模具槽外壁,快速吸收热量,再经冷却箱散热鳍片高效降温,大幅缩短冷却时间,且水路围绕模具槽均匀分布,让模具温度更均匀,保障产品尺寸稳定、表面质量好。
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Figure CN224751879U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vacuum forming mold technology, and in particular to a vacuum forming mold with cooling water channels. Background Technology
[0002] Vacuum forming molds are tools used in the vacuum forming process to shape plastic products. They are typically manufactured into concave or convex molds with specific contours according to the product design. During production, a heated and softened plastic sheet is placed on the surface of the mold. Vacuuming or pressurizing is used to make the sheet conform to the shape of the mold. After cooling, a plastic product with the same contour as the mold is formed. Vacuum forming molds are widely used in packaging, toys, electronics and other industries to make products such as trays, shells, and packaging boxes.
[0003] Most vacuum forming molds require cooling before molding plastic. This is usually done naturally, using the mold's own metal thermal conductivity to conduct the heat of the plastic sheet into the air, allowing it to cool and solidify slowly. After solidification, the mold is removed using tools. However, this cooling process is time-consuming, reducing overall production efficiency, and the uneven temperature drop during cooling affects product precision.
[0004] Therefore, it is necessary to provide a new hardware product shearing die to solve the above-mentioned technical problems. Utility Model Content
[0005] To solve the above-mentioned technical problems, this utility model provides a vacuum forming mold with a cooling water channel.
[0006] This utility model provides a vacuum forming mold with a cooling water channel, comprising: a base plate, a circulating water channel, a top plate, and a drive assembly. A work box is fixedly connected to the top of the base plate. A mold groove is formed at the top of the work box, and a surrounding circulating water channel is formed on the outer wall of the mold groove. A long block is fixedly connected to the left side of the top of the work box, and a transmission water channel is formed on the inner wall of the long block. A cooling box is fixedly connected to the left side of the work box, and multiple heat dissipation fins are fixedly connected to the outside of the cooling box. A water pump is fixedly connected to the output end of the cooling box. The left side of the work box... The wall has a circulating water channel. Multiple top plates fit into the bottom of the mold groove. Top rods are fixedly connected to the bottom of the top plates. A movable chamber is opened in the middle of the bottom of the bottom plate. Bidirectional threaded rods are symmetrically rotatably connected to both ends of the inner wall of the movable chamber. Multiple sliding blocks are slidably connected to the bottom of the inner wall of the movable chamber. Connecting rods are rotatably connected to the inner walls of the tops of two adjacent sides of the sliding blocks. Connecting plates are rotatably connected to the tops of the multiple connecting rods. A receiving chamber is opened on the right side of the bottom of the work box. A drive assembly is installed inside the receiving chamber.
[0007] Preferably, the drive assembly includes two rotating wheels, the two rotating wheels are externally movable inside the receiving chamber, the two rotating wheels are fitted with pulleys, the inner walls of the rotating wheels are fixedly connected with transmission rods, and a motor is installed on the top right side of the base plate.
[0008] Preferably, one end of the transmission water path is connected to one end of the circulation water path, and the other end of the transmission water path is connected to the output end of the water pump.
[0009] Preferably, one end of the circulating water path is connected to the other end of the circulating water path, and the other end of the circulating water path is connected to the input end of the cooling box.
[0010] Preferably, the outer side of the top rod and the inner wall of the working box are slidably connected below the top plate.
[0011] Preferably, the inner wall of the sliding block is threaded to the outer wall of the bidirectional threaded rod.
[0012] Preferably, the top end of the connecting plate is fixedly connected to the bottom end of the plurality of top rods, and the outside of the connecting plate is slidably connected to the top end of the inner wall of the movable chamber.
[0013] Preferably, the left end of the transmission rod is fixedly connected to the right end of the bidirectional threaded rod, and one end of the transmission rod away from the bidirectional threaded rod is fixedly connected to the drive end of the motor.
[0014] Compared with related technologies, the vacuum forming mold with cooling water channels provided by this utility model has the following beneficial effects: Improved cooling efficiency and product precision: This mold uses a water pump to drive the coolant to circulate in the circulating water path, transmission water path, and circulation water path. The coolant flows directly over the outer wall of the mold groove, quickly absorbing heat, and then is efficiently cooled by the heat dissipation fins of the cooling box, greatly shortening the cooling time. In addition, the water path is evenly distributed around the mold groove, making the mold temperature more uniform and ensuring stable product dimensions and good surface quality.
[0015] Significantly improved production efficiency: This mold uses a drive assembly consisting of a motor, transmission rod, and bidirectional threaded rod to automatically eject the product from the top plate without manual intervention. Demolding is quick and greatly improves overall production efficiency, making it suitable for mass production needs. Attached Figure Description
[0016] Figure 1 A schematic diagram of the structure of a vacuum forming mold with cooling water channels provided by this utility model; Figure 2 for Figure 1 The diagram shows the structure that accommodates the long block. Figure 3 for Figure 1 The diagram shows the structure of the work box; Figure 4for Figure 3 Enlarged view of point A in the image; Figure 5 for Figure 3 Enlarged view of point B in the image.
[0017] The following are the labels in the diagram: 1. Base plate; 2. Working box; 3. Mold groove; 4. Circulating water channel; 5. Long block container; 6. Transmission water channel; 7. Cooling box; 8. Heat dissipation fins; 9. Water pump; 10. Circulating water channel; 11. Top plate; 12. Push rod; 13. Movable chamber; 14. Two-way threaded rod; 15. Sliding block; 16. Connecting rod; 17. Connecting plate; 18. Container chamber; 19. Rotating wheel; 20. Pulley; 21. Transmission rod; 22. Motor. Detailed Implementation
[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0019] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.
[0020] Please see Figures 1 to 5 A vacuum forming mold with cooling water channels includes: a base plate 1, a working box 2 fixedly connected to the top of the base plate 1, a mold groove 3 opened at the top of the working box 2, a circulating water channel 4, a surrounding circulating water channel 4 opened on the outer wall of the mold groove 3, a receiving long block 5 fixedly connected to the top left of the working box 2, a transmission water channel 6 opened on the inner wall of the receiving long block 5, a cooling box 7 fixedly connected to the left side of the working box 2, a plurality of heat dissipation fins 8 fixedly connected to the outside of the cooling box 7, a water pump 9 fixedly connected to the output end of the cooling box 7, one end of the transmission water channel 6 is connected to one end of the circulating water channel 4, the other end of the transmission water channel 6 is connected to the output end of the water pump 9, a circulating water channel 10 is opened on the left inner wall of the working box 2, one end of the circulating water channel 10 is connected to the other end of the circulating water channel 4, and the other end of the circulating water channel 10 is connected to the input end of the cooling box 7. Multiple top plates 11 fit into the bottom of the mold groove 3. Top rods 12 are fixedly connected to the bottom of the top plates 11. The outer side of the top rods 12 is slidably connected to the inner wall of the working box 2 below the top plates 11. A movable chamber 13 is opened in the middle of the bottom of the bottom plate 1. Bidirectional threaded rods 14 are symmetrically rotatably connected to both ends of the inner wall of the movable chamber 13. Multiple sliding blocks 15 are slidably connected to the bottom of the inner wall of the movable chamber 13. The inner wall of the sliding blocks 15 is threadedly connected to the outer side of the bidirectional threaded rods 14. Connecting rods 16 are rotatably connected to the inner walls of the tops of the two sliding blocks 15 on the same side. Connecting plates 17 are rotatably connected to the outer tops of the multiple connecting rods 16. The top of the connecting plates 17 is fixedly connected to the bottom of the multiple top rods 12. The outer side of the connecting plates 17 is slidably connected to the top of the inner wall of the movable chamber 13. A receiving chamber 18 is opened on the right side of the bottom of the working box 2. The drive assembly is installed inside the receiving chamber 18. The drive assembly includes two rotating wheels 19, which move outside the receiving chamber 18. Pulleys 20 are fitted around the outside of the two rotating wheels 19. A transmission rod 21 is fixedly connected to the inner wall of the rotating wheels 19. A motor 22 is installed on the top right side of the base plate 1. The left end of the transmission rod 21 is fixedly connected to the right end of the bidirectional threaded rod 14. One end of the transmission rod 21 away from the bidirectional threaded rod 14 is fixedly connected to the drive end of the motor 22.
[0021] The working principle of the vacuum forming mold with cooling water channel provided by this utility model is as follows: When the mold is started for thermoforming, the cooling water circulation stage begins first. Before the motor 22 starts, the water pump 9 starts working. The water pump 9 draws coolant from the cooling tank 7. After the coolant is output by the water pump 9, it is transported to the circulation water channel 4 through the transmission water channel 6. The circulation water channel 4 is a channel opened on the inner wall of the top of the working box 2 and surrounding the outer wall of the mold groove 3. The coolant flows in the circulation water channel 4, absorbing the heat generated by the mold groove 3 due to contact with the high-temperature plastic sheet. After completing the heat exchange, the coolant flows into the circulation water channel 10 and then back to the cooling tank 7. With the help of the heat dissipation fins 8 on the outside of the cooling tank 7, the heat is dissipated into the air, realizing the cooling of the coolant and preparing for the next cycle. It continuously cools the mold groove 3, ensuring that the plastic sheet cools and solidifies quickly and evenly. After the plastic sheet cools and solidifies, it enters the demolding process. At this time, the motor 22 starts, and the drive end of the motor 22 drives the transmission rod 21 connected to it to rotate. When the transmission rod 21 rotates, it drives another rotating wheel 19 and the corresponding transmission rod 21 to rotate synchronously through the pulley 20. The two transmission rods 21 respectively drive the bidirectional threaded rod 14 connected to them to rotate in the movable chamber 13. When the bidirectional threaded rod 14 rotates, the sliding block 15 connected to its external thread will slide at the bottom of the inner wall of the movable chamber 13. Due to the bidirectional thread characteristics of the bidirectional threaded rod 14, the two sliding blocks 15 will move closer or further away from each other. When the sliding block 15 slides, the connecting rod 16 connected to the inner wall of its top moves accordingly, driving the connecting plate 17 to slide at the top of the inner wall of the movable chamber 13. Multiple push rods 12 are fixedly connected to the top of the connecting plate 17. The push rods 12 slide on the inner wall of the working box 2, thereby pushing the top plate 11 at the top to move upward. The top plate 11 lifts the molded plastic product from the bottom of the mold groove 3, completing the demolding operation.
[0022] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A vacuum forming mold with a cooling water channel, characterized in that, include: The bottom plate (1) is fixedly connected to the top of the bottom plate (1), and the top of the work box (2) is provided with a mold groove (3). The outer wall of the mold tank (3) is provided with a circulating water channel (4), the top left side of the working box (2) is fixedly connected to a long block (5), the inner wall of the long block (5) is provided with a transmission water channel (6), the left side of the working box (2) is fixedly connected to a cooling box (7), the outside of the cooling box (7) is fixedly connected to multiple heat dissipation fins (8), the output end of the cooling box (7) is fixedly connected to a water pump (9), and the inner wall of the left side of the working box (2) is provided with a circulating water channel (10). Multiple top plates (11) fit into the bottom end of the mold groove (3). Top rods (12) are fixedly connected to the bottom end of the top plate (11). A movable chamber (13) is opened in the middle of the bottom end of the bottom plate (1). Two-way threaded rods (14) are symmetrically rotated at both ends of the inner wall of the movable chamber (13). Multiple sliding blocks (15) are slidably connected to the bottom end of the inner wall of the movable chamber (13). Connecting rods (16) are rotatably connected to the inner wall of the top end of the two sliding blocks (15) on the same side. Connecting plates (17) are rotatably connected to the top end of the multiple connecting rods (16). A receiving chamber (18) is opened on the right side of the bottom end of the work box (2). The drive assembly is installed inside the housing chamber (18).
2. The vacuum forming mold with cooling water channel according to claim 1, characterized in that, The drive assembly includes two rotating wheels (19), the two rotating wheels (19) are externally movable inside the receiving chamber (18), the two rotating wheels (19) are fitted with pulleys (20), the inner wall of the rotating wheels (19) is fixedly connected with a transmission rod (21), and a motor (22) is installed on the top right side of the base plate (1).
3. The vacuum forming mold with cooling water channel according to claim 1, characterized in that, One end of the transmission water path (6) is connected to one end of the circulation water path (4), and the other end of the transmission water path (6) is connected to the output end of the water pump (9).
4. A vacuum forming mold with cooling water channels according to claim 1, characterized in that, One end of the circulating water path (10) is connected to the other end of the circulating water path (4), and the other end of the circulating water path (10) is connected to the input end of the cooling box (7).
5. A vacuum forming mold with cooling water channels according to claim 1, characterized in that, The outer side of the top rod (12) and the inner wall of the working box (2) are slidably connected below the top plate (11).
6. A vacuum forming mold with cooling water channels according to claim 1, characterized in that, The inner wall of the sliding block (15) is threaded to the outer wall of the bidirectional threaded rod (14).
7. A vacuum forming mold with cooling water channels according to claim 1, characterized in that, The top end of the connecting plate (17) is fixedly connected to the bottom end of the plurality of top rods (12), and the outside of the connecting plate (17) is slidably connected to the top end of the inner wall of the movable chamber (13).
8. A vacuum forming mold with cooling water channels according to claim 2, characterized in that, The left end of the transmission rod (21) is fixedly connected to the right end of the bidirectional threaded rod (14), and one end of the transmission rod (21) away from the bidirectional threaded rod (14) is fixedly connected to the drive end of the motor (22).