CN218928595U

CN218928595U - Modified plastic blow molding cooling device

Info

Publication number: CN218928595U
Application number: CN202320097996.7U
Authority: CN
Inventors: 朱红卫; 闫波; 候章; 岳兵祎
Original assignee: Handan Zawa New Material Co ltd
Current assignee: Handan Zawa New Material Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-04-28
Anticipated expiration: 2033-02-01

Abstract

The application discloses a modified plastic blow molding cooling device, which relates to the technical field of blow molding equipment and comprises a template, wherein a forward water channel and a reverse water channel are arranged inside the template along the outline of a die cavity, the forward water channel and the reverse water channel are arranged at intervals, and the positions of a water inlet and a water outlet are opposite; the first water inlet pipe is communicated with the water inlet of the forward water channel; the first water outlet pipe is communicated with the water outlet of the forward water channel; the second water inlet pipe is communicated with the water inlet of the reverse water channel; the second water outlet pipe is communicated with the water outlet of the reverse water channel; and the water pump is connected to the first water inlet pipe and the second water inlet pipe. The method has the effect of improving the temperature balance of each part during cooling of the template and further improving the blow molding quality of the modified plastic.

Description

Modified plastic blow molding cooling device

Technical Field

The application relates to the technical field of blow molding equipment, in particular to a modified plastic blow molding cooling device.

Background

Plastic bottles are a common container, which is generally formed by blow molding after heating an injection molded plastic blank, and also by direct blow molding.

And in order to improve the product forming efficiency, the general template is provided with a cooling cavity through which water passes, and the template is rapidly cooled through water or other liquid with high specific heat capacity. In particular, the blow molding process of modified materials with special requirements can seriously affect the quality of modified plastic products if temperature imbalance occurs on the template in the final temperature control.

Disclosure of Invention

The utility model aims to solve the problem that the quality of plastic products is reduced due to the fact that temperature imbalance occurs when a blow molding board is cooled.

The application provides a modified plastics blowing cooling device adopts following technical scheme:

a modified plastic blow molding cooling device comprises

The mold plate is internally provided with a forward water channel and a reverse water channel along the outline of the mold cavity, the forward water channel and the reverse water channel are arranged at intervals, and the positions of the water inlet and the water outlet are opposite;

the first water inlet pipe is communicated with the water inlet of the forward water channel;

the first water outlet pipe is communicated with the water outlet of the forward water channel;

the second water inlet pipe is communicated with the water inlet of the reverse water channel;

the second water outlet pipe is communicated with the water outlet of the reverse water channel;

and the water pump is connected to the first water inlet pipe and the second water inlet pipe.

Through adopting above-mentioned technical scheme, the water inlet of forward water course and reverse water course in the template and the reverse setting of delivery port cooperate the crisscross setting of forward water course and reverse water course, can make the temperature distribution of template more even, and then improve the processingquality of modified plastics blowing.

Optionally, the positions of the forward water channel and the reverse water channel at the middle section of the die cavity are provided with heat dissipation cavities;

the heat dissipation cavity is flat, and the area of the inner side wall close to the die cavity is larger than other parts of the forward water channel and the reverse water channel.

Through adopting above-mentioned technical scheme, the position setting of heat dissipation chamber can enlarge water or the effective contact heat absorption area of coolant liquid at forward water course and reverse water course inner wall in the position just to the die cavity, and then improves cooling efficiency.

Optionally, the heat dissipation cavity is connected with other parts of the forward water channel and the reverse water channel in an excessive mode.

Through adopting above-mentioned technical scheme, the excessive resistance that has set up effectual water or coolant liquid to pass through of heat dissipation chamber, and then improves circulation efficiency for cooling efficiency improves.

Optionally, the first water inlet pipe and the first water outlet pipe are connected with a first radiating pipe;

the second water inlet pipe and the second water outlet pipe are connected with a second radiating pipe;

a cooling box is arranged at one side of the template;

the first radiating pipe and the second radiating pipe are immersed in the liquid of the cooling box.

Through adopting above-mentioned technical scheme, when the water or the coolant liquid after the heat absorption in the template is through first cooling tube, second cooling tube, cooling down in the cooler bin, get back to the template again and cool off in the template again, realized cooling cycle.

Optionally, two ends of the first radiating pipe are connected with a first water inlet pipe and a first water outlet pipe of different forward channels, so that a plurality of forward pipelines, the first water inlet pipe, the first water outlet pipe and the first radiating pipe on the template form a complete pipeline;

the two ends of the second radiating pipe are connected with a second water inlet pipe and a second water outlet pipe of different reverse water channels, so that a plurality of reverse pipelines, the second water inlet pipe, the second water outlet pipe and the second radiating pipe on the template form a finished pipeline.

Through adopting above-mentioned technical scheme, the pipeline that flows to same direction in the template establishes ties each other, only can drive the liquid flow in a plurality of pipelines through a water pump, has saved the design cost.

Optionally, a metal rod is fixedly arranged in the cooling box;

the first radiating pipe and the second radiating pipe are spirally wound on different metal rods.

Through adopting above-mentioned technical scheme, the winding of metal bar and first cooling tube, second cooling tube is provided with effectual radiating effect who improves first cooling tube and second cooling tube.

In summary, the present application includes at least one of the following beneficial technical effects:

the spacing staggered arrangement of the forward water channel and the reverse water channel effectively ensures that the temperature is more balanced when the template is cooled, thereby improving the quality of the produced modified plastic blow-molded product;

the cooling effect of water or cooling liquid when passing through the forward channel and the reverse channel is effectively improved by the arrangement of the heat dissipation cavity, so that the cooling efficiency of the template is improved;

the winding of first cooling tube and second cooling tube on the metal stick sets up in the cooler bin, and effectual radiating effect that has improved first cooling tube and second cooling tube, and then the cooling effect of improvement template.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

fig. 2 shows a partial cross-sectional view of the heat dissipation chamber.

In the figure, 1, a template; 2. a forward waterway; 21. a heat dissipation cavity; 3. a reverse waterway; 4. a communication pipe; 41. a first water inlet pipe; 411. a first radiating pipe; 42. a first water outlet pipe; 43. a second water inlet pipe; 431. a second radiating pipe; 44. a second water outlet pipe; 5. a water pump; 6. a cooling box; 61. a metal rod.

Description of the embodiments

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a modified plastic blow molding cooling device.

Referring to fig. 1, the modified plastic blow molding cooling device comprises a template 1, wherein a plurality of forward water channels 2 and reverse water channels 3 are transversely arranged in the template 1, the forward water channels 2 and the reverse water channels 3 are distributed at intervals, and the positions of water inlets and water outlets of the forward water channels 2 and the reverse water channels 3 are opposite. The form 1 is provided with a communication pipe 4 for circulating water or coolant in the forward water channel 2 and the reverse water channel 3.

Through the crisscross setting of forward water course 2 and reverse water course 3 that sets up in template 1, make water or coolant liquid behind template 1 in through communicating pipe 4, can effectually cool down template 1, make the temperature distribution of template 1 more even simultaneously, and then effectual improvement blowing cooling shaping's efficiency has also improved the quality of modified plastics blowing.

Referring to fig. 2, the communication pipe 4 includes a first water inlet pipe 41, a first water outlet pipe 42, a second water inlet pipe 43, and a second water outlet pipe 44. One end of the first water inlet pipe 41 is connected with the water inlet of the forward water channel 2, one end of the first water outlet pipe 42 is connected with the water outlet of the forward water channel 2, and the other ends of the first water inlet pipe 41 and the first water outlet pipe 42 are connected with a first radiating pipe 411. The first water inlet pipe 41 and the first water outlet pipe 42 connected with the same forward channel are connected with different first heat dissipating pipes 411, so that a plurality of forward water channels 2, the first water inlet pipe 41, the first water outlet pipe 42 and the first heat dissipating pipes 411 on the template 1 are mutually connected into a complete channel.

One end of the second water inlet pipe 43 is connected with the water inlet of the forward water channel 2, one end of the second water outlet pipe 44 is connected with the water outlet of the forward water channel 2, and the other ends of the second water inlet pipe 43 and the second water outlet pipe 44 are connected with a second radiating pipe 431. The second water inlet pipe 43 and the second water outlet pipe 44 connected with the same forward water channel 2 are connected with different second radiating pipes 431, so that a plurality of forward water channels 2, the second water inlet pipe 43, the second water outlet pipe 44 and the second radiating pipes 431 on the template 1 are mutually connected into a complete channel.

The heat dissipation cavity 21 is arranged in the forward water channel 2 and the reverse water channel 3, the heat dissipation cavity 21 is positioned at the part of the template 1, which is opposite to the die cavity, the heat dissipation cavity 21 is flat, the area of the inner side wall of the heat dissipation cavity 21, which is close to the die cavity, is larger than the area of the inner side wall of the forward water channel 2 and the reverse water channel 3, which is close to the die cavity, and the junction of the heat dissipation cavity 21, the forward water channel 2 and the reverse water channel 3 is excessively arranged.

One of the first water inlet pipe 41 and one of the second water inlet pipe 43 are connected with a water pump 5. A cooling tank 6 is arranged at one side of the template 1, and cold water or cooling liquid is filled in the cooling tank 6. A plurality of metal rods 61 are fixedly arranged in the cooling box 6, and the first cooling tube 411 and the second cooling tube 431 are immersed in liquid in the cooling box 6 and wound on different metal rods 61.

The water or the coolant liquid enters into in the forward direction water course 2 through first inlet tube 41, flow out to in the first cooling tube 411 from first outlet pipe 42 after cooling down to enter into cooling tank 6 through first cooling tube 411 and cool down, the effectual cooling efficiency who has improved first cooling tube 411 and second cooling tube 431 in cooling tank 6 that is provided with of metal rod 61 has still reduced the condition emergence that the pipeline was tied knots, in the water or the coolant liquid flow to new forward direction water course 2 that the cooling of first cooling tube 411 was accomplished, realize water cooling cycle. In the reverse water channel 3, water cooling circulation is realized through the second radiating pipe 431, so that the cooling effect of the template 1 is effectively improved, the temperature of the template 1 is more balanced, and the quality of modified plastic blow molding is improved.

The implementation principle of the modified plastic blow molding cooling device in the embodiment of the application is as follows: when the mold is closed and cooled, the liquid in the forward water channel 2 flows into the next forward water channel 2 through the first water outlet pipe 42, the first radiating pipe 411 and the first water inlet pipe 41; the liquid in the reverse waterway 3 flows into the next reverse waterway 3 through the second outlet pipe 44, the second radiating pipe 431 and the second inlet pipe 43. Wherein liquid in first cooling tube 411 and the second cooling tube 431 cools down through cooling box 6, and this pipeline sets up cooperation heat dissipation chamber 21 for the cooling efficiency of template 1 improves and temperature distribution is even, the effectual quality that improves modified plastics blowing.

The embodiments of the present utility model are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A modified plastic blow molding cooling device is characterized in that: comprising

The mold plate (1) is internally provided with a forward water channel (2) and a reverse water channel (3) along the outline of the mold cavity, the forward water channel (2) and the reverse water channel (3) are arranged at intervals, and the positions of the water inlet and the water outlet are opposite;

the first water inlet pipe (41) is communicated with the water inlet of the forward water channel (2);

the first water outlet pipe (42) is communicated with the water outlet of the forward water channel (2);

the second water inlet pipe (43) is communicated with the water inlet of the reverse water channel (3);

the second water outlet pipe (44) is communicated with the water outlet of the reverse water channel (3);

and the water pump (5) is connected to the first water inlet pipe (41) and the second water inlet pipe (43).

2. A modified plastic blow molding cooling device according to claim 1, wherein: the positions of the forward water channel (2) and the reverse water channel (3) at the middle section of the die cavity are provided with heat dissipation cavities (21);

the heat dissipation cavity (21) is flat, and the area of the inner side wall close to the mold cavity is larger than other parts of the forward water channel (2) and the reverse water channel (3).

3. A modified plastic blow molding cooling device according to claim 2, wherein: the heat dissipation cavity (21) is connected with other parts of the forward water channel (2) and the reverse water channel (3) excessively.

4. A modified plastic blow molding cooling device according to claim 1, wherein: the first water inlet pipe (41) and the first water outlet pipe (42) are connected with a first radiating pipe (411);

the second water inlet pipe (43) and the second water outlet pipe (44) are connected with a second radiating pipe (431);

a cooling box (6) is arranged at one side of the template (1);

the first radiating pipe (411) and the second radiating pipe (431) are immersed in the liquid of the cooling tank (6).

5. A modified plastic blow molding cooling device according to claim 4, wherein: the two ends of the first radiating pipe (411) are connected with a first water inlet pipe (41) and a first water outlet pipe (42) of different forward water channels (2), so that a plurality of forward pipelines, the first water inlet pipe (41), the first water outlet pipe (42) and the first radiating pipe (411) on the template (1) form a complete pipeline;

two ends of the second radiating pipe (431) are connected with a second water inlet pipe (43) and a second water outlet pipe (44) of different reverse water channels (3), so that a plurality of reverse pipelines, the second water inlet pipe (43), the second water outlet pipe (44) and the second radiating pipe (431) on the template (1) form a finished pipeline.

6. A modified plastic blow molding cooling device according to claim 4, wherein: a metal rod (61) is fixedly arranged in the cooling box (6);

the first radiating pipe (411) and the second radiating pipe (431) are spirally wound on different metal rods (61).