Cooling device of blow molding machine

By designing a cooling mechanism with a moving plate and a spiral liquid tank in the blow molding machine, the problem of poor cooling effect of existing cooling devices during blow molding is solved, achieving rapid cooling and efficient processing.

CN224103508UActive Publication Date: 2026-04-10ZHENGZHOU YINGKE IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing cooling devices place the coolant inside the mold, resulting in poor cooling of the raw material during blow molding and affecting the molding quality.

Method used

A cooling device for a blow molding machine was designed, including a worktable, a mold, an electric rod, an air blowing pipe, and a cooling mechanism. By moving the moving plate up and down, the coolant is rapidly injected and discharged through a spiral liquid tank, ensuring rapid cooling of the raw material after blow molding.

Benefits of technology

It improves the processing efficiency of blow molding, ensures rapid cooling of products after molding, reduces the risk of deformation, and improves product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cooling device of a blow molding machine, which relates to the technical field of blow molding machines, and comprises a workbench, the upper end of the workbench is fixedly connected with a mold, the upper end of the workbench is fixedly connected with a supporting rod, the upper end of the supporting rod is fixedly connected with an electric rod, and the lower end of the electric rod is provided with a blow pipe. A cooling mechanism is arranged in the workbench and comprises a liquid cavity formed in the workbench, a spiral liquid groove is formed in the mold, pipe fittings are fixedly connected to the two sides of the spiral liquid groove, a shell is fixedly connected to the interior of the liquid cavity, and a moving plate is slidably connected to the interior of the shell. The right side of the upper end of the movable plate is fixedly connected with a liquid inlet pipe. According to the blow molding machine disclosed by the utility model, when the blow molding work is finished every time, cooling liquid in the liquid cavity can enter the spiral liquid tank through upward movement of the moving plate, so that raw materials can be quickly cooled, and the processing efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to blow molding machine technical field especially relates to a blow molding machine cooling device. BACKGROUND

[0002] Plastic blow molding machine is to melt the plastic particle and blow molding, in the blow molding process, the molten plastic removes the impurity after the head filter and extrudes from the die, utilizes the wind force that the machine blows, blows the plastic body to the certain shape's mould cavity, makes the product, and the plastic product is in the high temperature state in the blow molding, needs to cool it, accelerates the forming, reduces the situation of plastic product deformation, therefore the good and bad of cooling effect in the blow molding process, will directly influence the quality of product.

[0003] The existing cooling device is fixed, the cooling liquid is arranged in the inside of the mould, so that the raw material in the blow molding process has the cooling effect, and the material is affected during molding, and the raw material is not cooled after work, and the use effect is poor. UTILITY MODEL CONTENTS

[0004] The utility model discloses a blow molding machine cooling device, which aims to solve the technical problem of the existing cooling device being fixed, the cooling liquid being arranged in the inside of the mould, so that the raw material in the blow molding process has the cooling effect, and the material is affected during molding, and the raw material is not cooled after work.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A blow molding machine cooling device, comprising a workbench, the upper end of the workbench is fixedly connected with a mould, the upper end of the workbench is fixedly connected with a support rod, the upper end of the support rod is fixedly connected with an electric rod, the lower end of the electric rod is provided with a blowing pipe, and the inside of the workbench is provided with a cooling mechanism;

[0007] The cooling mechanism comprises a liquid cavity formed in the inside of the workbench, a spiral liquid groove is formed in the inside of the mould, pipe fittings are fixedly connected to the two sides of the spiral liquid groove, a shell is fixedly connected to the inside of the liquid cavity, a moving plate is slidably connected to the inside of the shell, a liquid inlet pipe is fixedly connected to the upper end right side of the moving plate, the upper end of the liquid inlet pipe is slidably connected with the upper end of the shell, the inside of the liquid inlet pipe is slidably connected with the inside of the pipe fitting, notches are formed in the lower end of the liquid inlet pipe, a rectangular opening is formed in the right side of the shell, the output end of the electric rod is fixedly connected with a horizontal plate, a rod is arranged on the left side of the horizontal plate, and the lower end of the rod is connected with the upper end left side of the moving plate.

[0008] Preferably, the upper end left side of the moving plate is fixedly connected with a connecting rod, the rod wall of the connecting rod is slidably connected with the lower end of the rod piece, and the rod wall of the connecting rod is provided with a spring;

[0009] Preferably, the right side of the workbench is fixedly connected with a valve in an up-down position.

[0010] Preferably, the width of the rectangular opening is greater than the thickness of the moving plate.

[0011] Preferably, the rod wall of the rod piece is slidably connected with the left side of the workbench.

[0012] As can be seen, the cooling device of the blow molding machine has the advantages that when each blow molding work is finished, the cooling liquid in the liquid cavity can enter the inside of the spiral liquid groove through the upward movement of the moving plate, so that the raw material can be rapidly cooled, and the processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0014] Figure 1 It is a whole structure schematic view of the cooling device of the blow molding machine.

[0015] Figure 2 It is a sectional structure schematic view of the cooling device of the blow molding machine.

[0016] Figure 3 It is a sectional structure schematic view of the cooling device of the blow molding machine. Figure 2 The enlarged structure schematic view of A in the middle.

[0017] In the figure: 1, workbench;2, mold;3, electric rod;4, horizontal plate;5, support rod;6, blowing pipe;7, rod piece;8, liquid cavity;9, valve;10, spiral liquid groove;11, pipe;12, shell;13, rectangular opening;14, moving plate;15, connecting rod;16, spring;17, liquid inlet pipe;18, slot. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the following will further illustrate the utility model in detail in combination with specific embodiments.

[0019] It should be noted that, unless otherwise defined, technical or scientific terms used in the present application should be understood as their ordinary meaning to those skilled in the art to which the present application belongs. The terms "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationships, which may change accordingly when the absolute position of the described object changes.

[0020] Referring to Figures 1-3 A blow molding machine cooling device, comprising a workbench 1, the upper end of the workbench 1 is fixedly connected with a mold 2, the raw material to be blow molded is placed in the mold 2, the upper end of the workbench 1 is fixedly connected with a support rod 5, the support rod 5 is used for supporting, the upper end of the support rod 5 is fixedly connected with an electric rod 3, the electric rod 3 is a driving device, the output end of the prior art can move up and down, the lower end of the electric rod 3 is provided with a blowing pipe 6, the electric rod 3 drives the blowing pipe 6 to move up and down, and the blowing work is carried out, the inside of the workbench 1 is provided with a cooling mechanism;

[0021] The cooling mechanism comprises a liquid cavity 8 opened in the workbench 1, a spiral liquid groove 10 is opened in the inside of the mold 2, so that the cooling liquid can flow through the spiral liquid groove 10, pipe fittings 11 are fixedly connected on the two sides of the spiral liquid groove 10, the left side is a liquid inlet pipe, and the right side is a liquid outlet pipe, a shell 12 is fixedly connected in the inside of the liquid cavity 8, a moving plate 14 is slidably connected in the inside of the shell 12, the moving plate 14 can move up and down in the inside of the shell 12, the outer side of the moving plate 14 and the inner wall of the shell 12 are in sealing connection, a liquid inlet pipe 17 is fixedly connected to the upper end right side of the moving plate 14, the upper end of the liquid inlet pipe 17 is slidably connected with the upper end of the shell 12, the inside of the liquid inlet pipe 17 is slidably connected with the inside of the pipe fitting 11, notches 18 are opened at the lower end of the liquid inlet pipe 17, a rectangular opening 13 is opened at the right side of the shell 12, the rectangular opening 13 is used for entering the cooling liquid into the inside of the shell 12, a horizontal plate 4 is fixedly connected to the output end of the electric rod 3, the electric rod 3 drives the horizontal plate 4 to move up and down, a rod 7 is arranged at the left side of the horizontal plate 4, the horizontal plate 4 drives the rod 7 to move up and down, the lower end of the rod 7 is connected with the upper end left side of the moving plate 14, the rod wall of the rod 7 is slidably connected with the left side of the workbench 1, the width of the rectangular opening 13 is greater than the thickness of the moving plate 14, so that when the moving plate 14 moves to the bottom, the cooling liquid in the inside of the liquid cavity 8 can enter the inside of the shell 12;

[0022] When working, the raw materials are placed in the inside of the mold 2, at this time the electric rod 3 drives the blowing pipe 6 to move downward, and the raw materials are blow molded, the electric rod 3 drives the rod 7 to move downward, and the rod 7 drives the moving plate 14 to move downward, when moving to the bottom of the shell 12, at this time the cooling liquid in the liquid cavity 8 enters the inside of the shell 12 through the rectangular opening 13, the right pipe 11 does not contact with the cooling liquid, so when the moving plate 14 moves downward, the cooling liquid will not be sucked from the right pipe 11, after blow molding, at this time the electric rod 3 drives the horizontal plate 4 to move upward, the horizontal plate 4 moves upward drives the rod 7 to move upward, when the rod 7 moves upward, it drives the moving plate 14 to move upward, when the moving plate 14 moves upward, it drives the liquid inlet pipe 17 to move upward, and the cooling liquid in the shell 12 is extruded to enter the inside of the liquid inlet pipe 17 through the slot 18, and then enters the inside of the spiral liquid groove 10, and then is discharged from the right pipe 11, in this way, when the blow molding work is finished each time, the cooling liquid in the liquid cavity 8 can enter the inside of the spiral liquid groove 10 through the upward movement of the moving plate 14, and then the raw materials can be quickly cooled, and the processing efficiency is improved.

[0023] With reference to Figure 3 The upper end of the moving plate 14 is fixedly connected with the connecting rod 15, the rod wall of the connecting rod 15 is slidingly connected with the lower end of the rod 7, and the rod wall of the connecting rod 15 is sleeved with the spring 16, because the liquid inlet speed of the liquid inlet pipe 17 is limited, when the rod 7 moves upward, the spring 16 is deformed, in this way, after the rod 7 moves upward, under the action of the spring 16, the connecting rod 15 drives the moving plate 14 to slowly move upward, and then the cooling liquid slowly moves in the inside of the spiral liquid groove 10, the cooling time is improved, and then the cooling effect is improved.

[0024] With reference to Figure 2 The right side of the workbench 1 is fixedly connected with the valves 9 at upper and lower positions, the upper valve 9 is used for injecting the cooling liquid into the inside of the liquid cavity 8, and the lower valve 9 is used for discharging the cooling liquid.

[0025] Working principle: when working, the raw material is placed in the inside of the mold 2, at this time the electric rod 3 drives the blowing pipe 6 to move downwards, and the raw material is blow molded, the electric rod 3 drives the rod piece 7 to move downwards, the rod piece 7 drives the moving plate 14 to move downwards, when moving to the bottom of the shell 12, at this time the cooling liquid in the liquid cavity 8 enters the inside of the shell 12 through the rectangular opening 13, the pipe 11 on the right side does not contact the cooling liquid, so when the moving plate 14 moves downwards, the cooling liquid is not sucked from the pipe 11 on the right side, after blow molding, at this time the electric rod 3 drives the horizontal plate 4 to move upwards, the horizontal plate 4 moves upwards and drives the rod piece 7 to move upwards, when the rod piece 7 moves upwards, the moving plate 14 is driven to move upwards, when the moving plate 14 moves upwards, the liquid inlet pipe 17 is driven to move upwards, and the cooling liquid in the shell 12 is extruded, enters the inside of the liquid inlet pipe 17 through the slot 18, and then enters the inside of the spiral liquid groove 10, and then is discharged from the pipe 11 on the right side, so that when the blow molding work is finished every time, the cooling liquid in the liquid cavity 8 can enter the inside of the spiral liquid groove 10 through the upward movement of the moving plate 14, and the raw material can be quickly cooled, and the processing efficiency is improved.

[0026] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary and is not intended to limit the scope of the present application (including the claims) to these examples; the above embodiments or technical features in different embodiments can also be combined, steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0027] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications and variations are intended to be encompassed by the appended claims.

Claims

1. A cooling device for a blow molding machine, comprising a worktable (1), characterized in that, The upper end of the workbench (1) is fixedly connected with a mold (2), the upper end of the workbench (1) is fixedly supported with a support rod (5), the upper end of the support rod (5) is fixedly connected with an electric rod (3), the lower end of the electric rod (3) is provided with a blowing pipe (6), and the inside of the workbench (1) is provided with a cooling mechanism. The cooling mechanism comprises a liquid cavity (8) opened in the inside of the workbench (1), a spiral liquid groove (10) opened in the inside of the mold (2), pipe fittings (11) fixedly connected on both sides of the spiral liquid groove (10), a shell (12) fixedly connected in the inside of the liquid cavity (8), a moving plate (14) slidingly connected in the inside of the shell (12), a liquid inlet pipe (17) fixedly connected on the upper end right side of the moving plate (14), the upper end of the liquid inlet pipe (17) slidingly connected with the upper end of the shell (12), the inside of the liquid inlet pipe (17) slidingly connected with the inside of the pipe fitting (11), notched openings (18) opened on both sides of the lower end of the liquid inlet pipe (17), a rectangular opening (13) opened on the right side of the shell (12), a transverse plate (4) fixedly connected with the output end of the electric rod (3), a rod (7) provided on the left side of the transverse plate (4), and the lower end of the rod (7) connected with the upper end left side of the moving plate (14).

2. A cooling device for a blow molding machine according to claim 1, characterized in that, The upper end left side of the moving plate (14) is fixedly connected with a connecting rod (15), the rod wall of the connecting rod (15) slidingly connected with the lower end of the rod (7), and the rod wall of the connecting rod (15) sleeved with a spring (16).

3. A cooling device for a blow molding machine according to claim 1, wherein The right side of the workbench (1) is fixedly connected with a valve (9) at upper and lower positions.

4. The cooling device for blow molding machine according to claim 1, wherein The width of the rectangular opening (13) is greater than the thickness of the moving plate (14).

5. The cooling device for blow molding machine according to claim 1, wherein The rod wall of the rod (7) slidingly connected with the left side of the workbench (1).