CN217777741U - Cooling device for plastic extrusion molding profile - Google Patents
Cooling device for plastic extrusion molding profile Download PDFInfo
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- CN217777741U CN217777741U CN202220807157.5U CN202220807157U CN217777741U CN 217777741 U CN217777741 U CN 217777741U CN 202220807157 U CN202220807157 U CN 202220807157U CN 217777741 U CN217777741 U CN 217777741U
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Abstract
The utility model discloses a cooling device for plastic extrusion molding section bars, which comprises a cooling channel (1), wherein a connecting piece (2) is sleeved at one end part of the cooling channel (1); a cooling air pipe (3) is arranged in the connecting piece (2); a plurality of air outlets (4) are arranged on the cooling air pipe (3); an annular blocking piece (5) which is arranged in an inclined manner is arranged on the inner wall of the port of the cooling channel (1) close to the connecting piece (2), and a cooling water pipe (6) is arranged on the inner side wall of the cooling channel (1) at a position corresponding to the upper part of the annular blocking piece (5); a plurality of water spray nozzles (7) are arranged on the cooling water pipe (6); a water pumping pipe (8) is arranged on the top surface of the cooling channel (1), and a water pumping pump is arranged at the end part of the water pumping pipe (8). The utility model discloses not only can improve cooling efficiency, still have area little, the yield is high, convenient to use, the little and good advantage of cooling effect of cooling water quantity.
Description
Technical Field
The utility model relates to a cooling device for the extrusion molding device, especially a cooling device for plastics extrusion molding section bar.
Background
At present, in the process of producing plastic profiles, a plastic extruding machine is required to extrude hot-melt plastic raw materials into a plastic mold, and then a cooling device is used to cool the plastic profiles extruded from the plastic mold.
The background art of "CN202020519303.5" describes that the existing cooling device for plastic profile extrusion generally adopts a method of cooling the whole plastic profile in cooling water, and the cooling rate is low due to no flow of cooling in the process; in the actual production process, the cooling water is used for cooling, and in the process, the phenomenon of cracking caused by large temperature difference can occur when the glass enters from the beginning, so that the yield is influenced. Therefore, the existing cooling device for the plastic profile extrusion molding device has the problems of low yield and low cooling rate in the using process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cooling device for plastic extrusion molding section bar. The utility model discloses not only can improve cooling rate, still have the advantage that the yield is high.
The technical scheme of the utility model: a cooling device for plastic extrusion molding sectional materials comprises a cooling channel, wherein one end part of the cooling channel is sleeved with a connecting piece communicated with an extrusion molding die; a cooling air pipe is arranged in the connecting piece; a plurality of air outlets positioned on the inner side wall of the connecting piece are arranged on the cooling air pipe; an annular blocking piece which is arranged in an inclined manner is arranged on the inner wall of the port, close to the connecting piece, of the cooling channel, and a cooling water pipe is arranged on the inner side wall of the cooling channel, corresponding to the position above the annular blocking piece; a plurality of water spray nozzles which are uniformly distributed in an annular shape are arranged on the cooling water pipe; a water pumping pipe is arranged on the top surface of the cooling channel, and a water pumping pump is arranged at the end part of the water pumping pipe; a plurality of air outlets distributed in an annular mode can be used for blowing air to each side face of the section bar, preliminary air cooling work on the section bar is achieved, meanwhile, cooling water is sprayed on the surface of the section bar directly through the cooling water in a follow-up matching mode, water cooling work is conducted on the surface of the section bar directly through the implementation, air cooling and water cooling are combined together in the whole cooling process, cooling efficiency is improved, the phenomenon that cracks appear due to the fact that the high-temperature section bar is in direct contact with the cooling water with the lower temperature is avoided, and the rate of finished products is guaranteed.
In the cooling device for the plastic extrusion molding section, the end part of the annular stopper is provided with the vertically arranged guide piece, and the guide piece is made of rubber; utilize the guide can further prolong the flow direction of cooling water when, also can further block the cooling water for the cooling water stops as far as all as possible and carries out water-cooling work to the section bar in the cooling channel, has further improved the utilization ratio of cooling water.
In the cooling device for the plastic extruded section, the inner side wall of the end part, far away from the cooling channel, of the connecting piece is provided with the inner thread section; the arrangement of the internal thread section facilitates the connection of the connecting piece and the plastic extruding machine and the assembly.
In the cooling device for plastic extruded section bar, the water spray nozzle is arranged towards the annular stopper; the included angle between the annular stopper and the inner side wall of the cooling channel is smaller than 90 degrees, and the included angle between the annular stopper and the inner side wall of the cooling channel is larger than 20 degrees.
In the cooling device for the plastic extruded section, the two end parts of the cooling channel are respectively provided with the flexible sealing piece, and the middle part of the flexible sealing piece is provided with the opening for passing through the section; the flexible sealing piece is utilized to enable the cooling water to fill the cooling channel, so that the sectional material can completely enter the cooling water, and the cooling effect is further ensured.
Compared with the prior art, the utility model improves the existing cooling device for the plastic profile extrusion molding device, and the connecting piece communicated with the extrusion molding die is sleeved at the end part of the cooling channel, so that the whole cooling device and the extrusion molding die can be installed together by using the connecting piece without additionally arranging a connecting structure, thereby being convenient for use; the cooling air pipe is arranged on the inner wall of the connecting piece, the plurality of air outlets are arranged on the cooling air pipe, and the plurality of air outlets distributed in an annular shape can be used for blowing air to each side face of the section bar so as to realize preliminary air cooling work on the section bar; the cooling water pipe is arranged in the cooling channel, the cooling water pipe is provided with a plurality of water spraying ports which are uniformly distributed in an annular mode, and the water spraying ports can be used for directly spraying cooling water on the surface of the section bar so as to realize direct water cooling work on the surface of the section bar, so that the cooling efficiency is improved by combining air cooling and water cooling together in the whole cooling process; the phenomenon that the high-temperature section bar is directly contacted with cooling water with lower temperature to generate cracks is avoided, and the rate of finished products is ensured; the whole device does not need to be provided with a longer space, so that the occupied area is reduced; meanwhile, the annular stopper is matched with the water spray nozzle, so that the phenomenon that cooling water splashes everywhere can be avoided, the waste of the cooling water is reduced, and the consumption of the cooling water is reduced. In addition, the end part of the annular blocking piece is provided with the guide piece, so that the flow direction of the cooling water can be further prolonged by utilizing the guide piece, and meanwhile, the cooling water can be further blocked, so that the cooling water stays in the cooling channel as much as possible to carry out water cooling work on the section bar, and the utilization rate of the cooling water is further improved; the two ends of the cooling channel are provided with the flexible sealing pieces, and the cooling channel can be filled with cooling water by utilizing the flexible sealing pieces, so that the sectional material can completely enter the cooling water, and the cooling effect is further ensured. Furthermore, the utility model discloses not only can improve cooling efficiency, still have that area is little, the yield is high, convenient to use, cooling water quantity are little and the good advantage of cooling effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the construction of a flexible closure;
fig. 3 is a schematic structural view of a cooling duct.
The labels in the figures are: 1-cooling channel, 2-connecting piece, 3-cooling air pipe, 4-air outlet nozzle, 5-annular blocking piece, 6-cooling water pipe, 7-water spray nozzle, 8-water pumping pipe, 9-guiding piece and 10-flexible sealing piece.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. A cooling device for plastic extrusion molding section is composed of a cooling channel 1 as shown in figures 1 to 3, wherein one end part of the cooling channel 1 is sleeved with a connecting piece 2 communicated with an extrusion molding die; a cooling air pipe 3 is arranged in the connecting piece 2; a plurality of air outlets 4 positioned on the inner side wall of the connecting piece 2 are arranged on the cooling air pipe 3; an annular blocking piece 5 which is obliquely arranged is arranged on the inner wall of the port of the cooling channel 1 close to the connecting piece 2, and a cooling water pipe 6 is arranged on the inner side wall of the cooling channel 1 corresponding to the position above the annular blocking piece 5; a plurality of water spray nozzles 7 which are uniformly distributed in a ring shape are arranged on the cooling water pipe 6; be provided with drinking-water pipe 8 on the 1 top surface of cooling channel, the suction pump is installed to the tip of drinking-water pipe 8.
The end part of the annular stopper 5 is provided with a guide piece 9 which is vertically arranged, and the guide piece 9 is made of rubber; an inner thread section is arranged on the inner side wall of the end part, far away from the cooling channel 1, of the connecting piece 2; the water spray opening 7 is arranged towards the annular stopper 5; the included angle between the annular stopper 5 and the inner side wall of the cooling channel 1 is smaller than 90 degrees, and the included angle between the annular stopper 5 and the inner side wall of the cooling channel 1 is larger than 20 degrees; the two ends of the cooling channel 1 are both provided with flexible sealing pieces 10, and the middle of each flexible sealing piece 10 is provided with an opening for passing through the section bar.
The working principle is as follows: in the using process, firstly, the whole cooling device is connected with an extrusion molding die through a connecting piece 2, then after plastic profiles extruded by the extrusion molding die enter the connecting piece 2, airflow is firstly input into a cooling air pipe 3, and the airflow input into the cooling air pipe 3 can be blown to the surface of the plastic profiles through air outlets 4 on different positions, so that preliminary air cooling work is firstly carried out after the plastic profiles enter the connecting piece 2, the temperature of the surface of the plastic profiles can be reduced, the temperature difference between the surface of the plastic profiles and cooling water is reduced, the phenomenon that cracks occur due to large temperature difference in the prior direct contact process with the cooling water is avoided, and the yield is ensured; along with the plastic extrusion movement of the plastic section, the plastic section which completes the preliminary cooling enters the cooling channel 1 through the opening near the middle of the flexible sealing piece 10, at this time, cooling water is input into the cooling water pipe 6, the cooling water in the cooling water pipe 6 can be sprayed to the annular stopper 5 through the water spraying opening 7, and then flows to the surface of the plastic section through the annular stopper 5, so that the cooling water can be directly contacted with the plastic section for cooling, and the cooling water can be splashed all around in the water spraying process, thereby reducing the waste of the cooling water and improving the utilization rate; and both ends of cooling channel 1 all are provided with flexible sealing 10 for cooling water can be with cooling channel 1 full-filling, and finally, can take out the cooling water that accomplishes the heat exchange through the drinking-water pipe 8 that is located on cooling channel 1 top surface, carries out subsequent cyclic utilization.
Claims (5)
1. The utility model provides a cooling device for plastic extrusion molding section bar which characterized in that: comprises a cooling channel (1), wherein one end part of the cooling channel (1) is sleeved with a connecting piece (2) communicated with an extrusion molding die; a cooling air pipe (3) is arranged in the connecting piece (2); a plurality of air outlets (4) positioned on the inner side wall of the connecting piece (2) are arranged on the cooling air pipe (3); an annular blocking piece (5) which is arranged in an inclined manner is arranged on the inner wall of the port of the cooling channel (1) close to the connecting piece (2), and a cooling water pipe (6) is arranged on the inner side wall of the cooling channel (1) at a position corresponding to the upper part of the annular blocking piece (5); a plurality of water spray nozzles (7) which are uniformly distributed in a ring shape are arranged on the cooling water pipe (6); a water pumping pipe (8) is arranged on the top surface of the cooling channel (1), and a water pumping pump is installed at the end part of the water pumping pipe (8).
2. A cooling apparatus for a plastic extruded profile as claimed in claim 1, wherein: the end part of the annular stopper (5) is provided with a guide piece (9) which is vertically arranged, and the guide piece (9) is made of rubber.
3. A cooling apparatus for a plastic extruded profile as claimed in claim 1, wherein: and an inner thread section is arranged on the inner side wall of the end part of the connecting piece (2) far away from the cooling channel (1).
4. A cooling apparatus for a plastic extruded profile as claimed in claim 1, wherein: the water spray opening (7) is arranged towards the annular stopper (5); the included angle between the annular stopper (5) and the inner side wall of the cooling channel (1) is smaller than 90 degrees, and the included angle between the annular stopper (5) and the inner side wall of the cooling channel (1) is larger than 20 degrees.
5. A cooling device for an extruded plastic profile as claimed in any one of claims 1 to 4, wherein: the two ends of the cooling channel (1) are provided with flexible sealing pieces (10), and the middle of each flexible sealing piece (10) is provided with an opening for passing through the section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220807157.5U CN217777741U (en) | 2022-04-06 | 2022-04-06 | Cooling device for plastic extrusion molding profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220807157.5U CN217777741U (en) | 2022-04-06 | 2022-04-06 | Cooling device for plastic extrusion molding profile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217777741U true CN217777741U (en) | 2022-11-11 |
Family
ID=83907630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220807157.5U Active CN217777741U (en) | 2022-04-06 | 2022-04-06 | Cooling device for plastic extrusion molding profile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217777741U (en) |
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2022
- 2022-04-06 CN CN202220807157.5U patent/CN217777741U/en active Active
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