Closed cooling water system of bottle blank casting mold

Abstract

The utility model discloses a closed cooling water system of a bottle blank casting mold, and relates to the technical field of bottle blank production. The mold comprises a heat dissipation assembly, a water cooling box, electric push rods and a moving plate, the moving plate is arranged on one side of the water cooling box, inner molds are fixed to the side, close to the water cooling box, of the moving plate in a rectangular array mode, the inner molds penetrate through the water cooling box and stretch out, the electric push rods are arranged on the two sides of the moving plate, and the heat dissipation assembly is arranged on one side of the moving plate. The heat dissipation assembly comprises transfer bins, a water pump and spring telescopic water pipes, the water pump is fixed to one side of the lower transfer bin, and the spring telescopic water pipes fixedly communicate with the same side of the upper transfer bin and the water pump and the output end of the water pump. Through the arrangement of the heat dissipation assembly, the water cooling box, the electric push rod and the movable plate, the problems that the mold cooling rate is not high enough in the bottle blank casting process, and the casting precision is reduced after the mold works for a long time are solved.

Description

Technical Field

[0001] This utility model belongs to the field of bottle preform production technology, and in particular relates to a closed cooling water system for bottle preform casting mold. Background Technology

[0002] Preform casting is a preliminary process in the manufacture of plastic bottles, primarily used to produce high-quality plastic bottles. Processed raw materials are added to the barrel of an injection molding machine. The screw rotates and propels the material, heating and melting it before injecting it into the preform mold. During injection, parameters such as injection pressure and speed must be precisely controlled to ensure the size and quality of the preform. However, it still has the following drawbacks in practical use:

[0003] 1. In the preform casting process, cooling water is used to accelerate the cooling of the preform through the water-cooling part inside the mold. However, during the preform casting process, the water directly enters the casting equipment. During the operation of the cooling water, the cooling rate of the mold is not fast enough, and the casting efficiency is not high enough.

[0004] 2. After the preform is cast, it needs to be removed from the mold. In the process of removing the preform, the preform is removed directly. Removing the preform requires separating different parts of the mold. After a long period of production, deviations can easily occur between the parts, resulting in a decrease in the casting accuracy of the mold. Utility Model Content

[0005] The purpose of this invention is to provide a closed cooling water system for preform casting molds. By setting up heat dissipation components, a water cooling box, an electric push rod, and a moving plate, it solves the problems of insufficient mold cooling rate and decreased casting accuracy after long-term mold operation during preform casting.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a closed-loop cooling water system for a preform casting mold, comprising a heat dissipation assembly, a water-cooled box, electric push rods, and a movable plate. A movable plate is located on one side of the water-cooled box. An inner mold is fixed in a rectangular array on the side of the movable plate closest to the water-cooled box, and the inner mold extends through the water-cooled box. Electric push rods are located on both sides of the movable plate. A heat dissipation assembly is located on one side of the movable plate. The heat dissipation assembly includes a transfer chamber, a water pump, and a spring-loaded telescopic water pipe. Two transfer chambers are vertically aligned, and a water pump is fixed to one side of the lower transfer chamber. The pump has its input end fixedly connected to the transfer chamber. Spring-loaded telescopic water pipes are fixedly connected to both the upper transfer chamber and the pump's output end. The ends of both spring-loaded telescopic water pipes furthest from the transfer chamber are fixedly connected to the side of the water-cooled box closest to the moving plate. During operation, the cooling water passing through the water-cooled box dissipates heat through the heat dissipation components. The cooling water then passes through the water-cooled box, cooling the inner mold as it passes through. An electric push rod drives the water-cooled box to change the position between the water-cooled box and the moving plate, and the moving plate connects the inner mold to it.

[0008] Furthermore, the heat dissipation assembly also includes a fan and a cooling flat tube. The two transfer chambers are connected by a cooling flat tube at equal intervals. The two transfer chambers are connected by a fan on the side away from the spring telescopic water pipe. When the heat dissipation assembly is working, the cooling water in the cooling flat tube is cooled by the fan blowing the cooling water onto the cooling flat tube.

[0009] Furthermore, the water-cooled box has movable sleeves fixed in a rectangular array inside, and each movable sleeve corresponds to an inner mold. Each movable sleeve inside the water-cooled box has heat dissipation fins fixed at equal intervals on its periphery. When the water-cooled box is working, it is movably connected to the inner mold through the movable sleeves, and heat dissipation is achieved through the heat dissipation fins.

[0010] Furthermore, each of the two electric push rods has a connecting frame fixed at one end. The two connecting frames are arranged symmetrically to each other. Both connecting frames are fixed on the side of the moving plate away from the water-cooled box and are placed at the two vertical edges of the side of the moving plate away from the water-cooled box. When the electric push rod is working, it is connected to the moving plate through the connecting frame.

[0011] Furthermore, mounting ears are symmetrically fixed on both sides of the movable plate, and fixed plates are fixed to the telescopic ends of the two electric push rods. The two fixed plates are placed on both sides of the water-cooled box and fixed to the water-cooled box. The movable plate is connected to the external push structure through the mounting ears.

[0012] Furthermore, the two spring-loaded telescopic water pipes are positioned above and below the movable plate, respectively, and the inner mold is movably connected within the movable sleeve, increasing the heat dissipation efficiency of the inner mold.

[0013] This utility model has the following beneficial effects:

[0014] 1. This utility model solves the problem of insufficient mold cooling rate during bottle preform casting by setting up heat dissipation components, a water-cooled box, and a movable plate. When the water-cooled box and the casting equipment are combined, the water pump and fan are started. The water pump pumps cooling water from the transfer chamber located below into the spring telescopic water pipe located below, and then delivers it to the water-cooled box through the spring telescopic water pipe. The water rises in the water-cooled box, carrying away the heat from the inner mold that is movably connected within the movable sleeve. The movable sleeve is movably connected to the inner mold, and the heat dissipation area of ​​the movable sleeve is accelerated through the heat dissipation fins, increasing the heat dissipation efficiency of the inner mold. The water-cooled box comes into contact with the other half of the casting mold, accelerating the heat dissipation of the other half of the casting mold, thus making the mold cooling rate faster during bottle preform casting.

[0015] 2. This utility model solves the problem of decreased casting accuracy after prolonged operation of the preform casting mold by setting up a water-cooling box, an electric push rod, and a moving plate. When removing the preform, the electric push rod is activated, which drives the fixed plate to move. The fixed plate drives the water-cooling box to move, pushing the preform formed on the inner mold and removing the preform from the inner mold. Then, the electric push rod is activated again to reset the water-cooling box and start the next working cycle. This ensures that the preform casting mold maintains casting accuracy after prolonged operation and reduces the decrease in casting accuracy. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A three-dimensional view of the assembly structure of a closed cooling water system for a preform casting mold;

[0018] Figure 2 This is a three-dimensional side view of the heat dissipation component.

[0019] Figure 3 This is a 3D diagram of the heat dissipation component structure;

[0020] Figure 4 A three-dimensional cross-sectional view of the water-cooled box section;

[0021] Figure 5 This is a 3D view of the electric linear actuator structure.

[0022] Figure 6 This is a 3D view of the movable plate structure.

[0023] Figure label:

[0024] 1. Heat dissipation components; 101. Fan; 102. Transfer chamber; 103. Cooling flat tube; 104. Water pump; 105. Spring telescopic water pipe; 2. Water cooling box; 201. Movable sleeve; 202. Heat dissipation fins; 3. Electric push rod; 301. Fixing plate; 302. Connecting frame; 4. Moving plate; 401. Inner mold; 402. Mounting ear. Detailed Implementation

[0025] 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 skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0027] Please see Figure 1-4 This utility model discloses a closed cooling water system for a preform casting mold, comprising a heat dissipation assembly 1, a water-cooled box 2, an electric push rod 3, and a movable plate 4. The movable plate 4 is located on one side of the water-cooled box 2. When the water-cooled box 2 is in operation, the water flowing through it cools the inner mold 401 on the movable plate 4, accelerating the preform forming time. The inner mold 401 is fixed to the movable plate 4. The inner mold 401 is fixed in a rectangular array on the side of the movable plate 4 closest to the water-cooled box 2, forming the interior of the preform. The inner mold 401 passes through the water-cooled box 2 and extends outwards, allowing the cooling water flowing through the water-cooled box 2 to cool the inner mold 401. Electric push rods 3 are located on both sides of the movable plate 4, driving the position between the water-cooled box 2 and the movable plate 4. A heat dissipation assembly 1 is located on one side of the movable plate 4, cooling the cooling water cooling the inner mold 401. The heat dissipation assembly 1 includes... The system includes two transfer chambers 102, a water pump 104, and spring-loaded telescopic water pipes 105. The two transfer chambers 102 are positioned vertically opposite each other. A water pump 104 is fixedly attached to one side of the lower transfer chamber 102, with its input end fixedly connected to the transfer chamber 102. Spring-loaded telescopic water pipes 105 are fixedly connected to the upper transfer chamber 102 and to the output end of the water pump 104, with the ends of both spring-loaded telescopic water pipes 105 positioned close to the water-cooled box 2. One side of the moving plate 4 is fixedly connected. The heat dissipation component 1 transfers water in the spring telescopic water pipe 105 through the transfer chamber 102. The water is transported to the upper transfer chamber 102 through the upper spring telescopic water pipe 105, and then to the lower spring telescopic water pipe 105 through the water pump 104 on the lower transfer chamber 102. Finally, the water is transported to the water cooling box 2 through the lower spring telescopic water pipe 105 for water cooling of the inner mold 401.

[0028] Specifically, the heat dissipation assembly 1 also includes a fan 101 and a cooling flat tube 103. The two transfer chambers 102 are connected to the cooling flat tube 103 at equal intervals. The fan 101 is fixed on the side of the two transfer chambers 102 away from the spring telescopic water pipe 105. When the heat dissipation assembly 1 is working, the cooling water is transported between the two transfer chambers 102, through the upper transfer chamber 102 to the cooling flat tube 103, and then to the lower transfer chamber 102. At the same time, when the cooling water passes through the cooling flat tube 103, the fan 101 blows air to transport air between the adjacent cooling flat tubes 103, accelerating the cooling of the water passing through the cooling flat tube 103. When the fan 101 is working, it is fixed at the ventilation position of the casting preform equipment.

[0029] Furthermore, a rectangular array of movable sleeves 201 are fixed inside the water-cooled box 2. Each movable sleeve 201 corresponds to an inner mold 401. Each movable sleeve 201 inside the water-cooled box 2 has heat dissipation fins 202 fixed at equal intervals on its periphery. The water-cooled box 2 is movably connected to the inner mold 401 through the movable sleeves 201. The movable sleeves 201 accelerate the heat dissipation area through the heat dissipation fins 202, thereby increasing the heat dissipation efficiency of the inner mold 401.

[0030] The operation process of this embodiment is as follows: During operation, when the water-cooled box 2 and the casting equipment are combined, the water pump 104 and the fan 101 are started. The water pump 104 pumps cooling water from the transfer chamber 102 located below into the spring telescopic water pipe 105 located below, and then delivers it to the water-cooled box 2 through the spring telescopic water pipe 105. The water rises in the water-cooled box 2, carrying away the heat from the inner mold 401 that is movably connected inside the movable sleeve 201. The inner mold 401 is movably connected through the movable sleeve 201. The movable sleeve 201 accelerates the heat dissipation area through the heat dissipation fins 202 therein, increasing the heat dissipation efficiency of the inner mold 401. The water-cooled box 2 comes into contact with the other half of the casting mold, accelerating the heat dissipation of the other half of the casting mold. Specific Implementation Example 2

[0032] Please see Figure 1 , 4 5, 6. Based on the specific embodiment one, one end of each of the two electric push rods 3 is fixed with a connecting frame 302. The two connecting frames 302 are arranged symmetrically to each other. Both connecting frames 302 are fixed on the side of the moving plate 4 away from the water-cooled box 2, and are placed at the two vertical edges of the side of the moving plate 4 away from the water-cooled box 2. The electric push rods 3 are connected to the moving plate 4 through the connecting frames 302.

[0033] Specifically, mounting ears 402 are symmetrically fixed on both sides of the movable plate 4, and fixing plates 301 are fixed to the telescopic ends of the two electric push rods 3. The two fixing plates 301 are placed on both sides of the water-cooled box 2 and fixed to the water-cooled box 2. The movable plate 4 is installed on the external casting pushing equipment through the mounting ears 402. The electric push rods 3 are fixed to the water-cooled box 2 through the fixing plates 301 at the telescopic ends. During operation, the electric push rods 3 push the water-cooled box 2 to move, which drives the preform formed on the inner mold 401 to be pushed down.

[0034] Furthermore, two spring-loaded telescopic water pipes 105 are positioned above and below the movable plate 4, respectively. The inner mold 401 is movably connected through the movable sleeve 201, and the inner mold 401 is tightly fitted in the movable sleeve 201 to ensure heat dissipation.

[0035] The operation process of this embodiment is as follows: During operation, when casting is being performed, the moving plate 4 and the water-cooled box 2 are moved by the external casting pushing device until the water-cooled box 2 is pushed to fit against the other half of the casting mold. The inner mold 401 enters the other half of the mold for casting and is cooled by the water-cooled box 2. After casting is completed, the moving plate 4 and the water-cooled box 2 are pushed away from the other half of the mold by the pushing structure until they are pushed into place. Then, the electric push rod 3 is activated, which drives the fixed plate 301 to move. The fixed plate 301 drives the water-cooled box 2 to move and push the preform formed on the inner mold 401. The preform is then removed from the inner mold 401. The electric push rod 3 is then activated again to drive the water-cooled box 2 to reset and start the next working cycle.

[0036] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0037] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A closed-loop cooling water system for a preform casting mold, comprising a heat dissipation assembly (1), a water-cooled box (2), an electric push rod (3), and a moving plate (4), characterized in that: A movable plate (4) is provided on one side of the water-cooled box (2). An inner mold (401) is fixed in a rectangular array on the side of the movable plate (4) near the water-cooled box (2). The inner mold (401) passes through the water-cooled box (2) and extends out. Electric push rods (3) are provided on both sides of the movable plate (4). A heat dissipation assembly (1) is provided on one side of the movable plate (4). The heat dissipation assembly (1) includes a transfer chamber (102), a water pump (104), and a spring telescopic water pipe (105). The transfer chamber (102) is located on the upper and lower sides, and a water pump (104) is fixed on one side of the lower transfer chamber (102). The input end of the water pump (104) is fixedly connected to the transfer chamber (102). The upper transfer chamber (102) and the water pump (104) are both fixedly connected to the output end of the water pump (104). The ends of the two spring telescopic water pipes (105) away from the transfer chamber (102) are fixedly connected to the side of the water-cooled box (2) near the moving plate (4).

2. The closed-loop cooling water system for a preform casting mold according to claim 1, characterized in that: The heat dissipation assembly (1) also includes a fan (101) and a cooling flat tube (103). The two transfer chambers (102) are connected by the cooling flat tube (103) at equal intervals. The fan (101) is fixed on the side of the two transfer chambers (102) away from the spring telescopic water pipe (105).

3. The closed-loop cooling water system for a preform casting mold according to claim 1, characterized in that: The water-cooled box (2) has movable sleeves (201) fixed in a rectangular array inside. The movable sleeves (201) correspond one-to-one with the inner mold (401). Each movable sleeve (201) inside the water-cooled box (2) has heat dissipation fins (202) fixed at equal intervals on its periphery.

4. The closed-loop cooling water system for a preform casting mold according to claim 1, characterized in that: One end of each of the two electric push rods (3) is fixed with a connecting frame (302). The two connecting frames (302) are arranged symmetrically to each other. The two connecting frames (302) are fixed on the side of the moving plate (4) away from the water-cooled box (2) and are placed at the two vertical edges of the side of the moving plate (4) away from the water-cooled box (2).

5. The closed-loop cooling water system for a preform casting mold according to claim 4, characterized in that: The movable plate (4) is symmetrically fixed with mounting ears (402) on both sides, and the telescopic ends of the two electric push rods (3) are fixed with fixing plates (301). The two fixing plates (301) are placed on both sides of the water-cooled box (2) and fixed to the water-cooled box (2).

6. The closed-loop cooling water system for a preform casting mold according to claim 3, characterized in that: The two spring telescopic water pipes (105) are positioned above and below the movable plate (4), and the inner mold (401) is movably connected inside the movable sleeve (201).

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