CN216329974U - Pressure-multiplying die neck of laminating extruder - Google Patents
Pressure-multiplying die neck of laminating extruder Download PDFInfo
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- CN216329974U CN216329974U CN202122563758.4U CN202122563758U CN216329974U CN 216329974 U CN216329974 U CN 216329974U CN 202122563758 U CN202122563758 U CN 202122563758U CN 216329974 U CN216329974 U CN 216329974U
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Abstract
The utility model discloses a double-pressure die neck of a laminating extruder, which comprises an upper heating ring, a pressing plate, a double-pressure barrel, a double-pressure sleeve, a mixing roll and a lower heating ring, wherein one end of the double-pressure barrel is connected with the upper heating ring, the other end of the double-pressure barrel is connected with one end of the mixing roll, the other end of the mixing roll is connected with one end of the lower heating ring, the other end of the lower heating ring is connected with a die through a lower flange, and the double-pressure sleeve is detachably connected with the double-pressure barrel. The utility model provides a double-pressure die neck of a laminating extruder, which can improve the mixing effect of fluid and is convenient to disassemble.
Description
Technical Field
The utility model relates to a double-pressure die neck of a laminating extruder.
Background
The laminating extruder is one of extrusion molding machines, has the advantages of high automation degree, simple and convenient operation, high production speed, uniform coating thickness, high bonding fastness, smooth coiling, environmental protection, no pollution, labor and raw material cost saving and the like, is gradually applied in China, and is a necessary trend for replacing dry compounding and hot melt adhesive coating compounding. When the laminating extrusion equipment is used for processing and production, plastic particle raw materials are heated and melted into fluid, and the fluid is subjected to plasticizing extrusion by a screw and then is linearly extruded by a die. However, when the existing laminating extruder is used for production, the polymer material in the raw material is not uniformly dispersed, so that the quality of the fluid after extrusion molding is poor, and the use is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a double-pressure die neck of a laminating extruder, which can improve the mixing effect of fluid and is convenient to disassemble.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a drench membrane extruder double-pressure mould neck, it includes heating collar, clamp plate, double pressure section of thick bamboo, double pressure cover, mixing roll and lower heating collar, the one end of double pressure section of thick bamboo links to each other with last heating collar, the other end of double pressure section of thick bamboo links to each other with the one end of mixing roll, the other end of mixing roll links to each other with the one end of heating collar down, the other end of heating collar passes through the lower flange and links to each other with the mould down, double pressure cover and double pressure detachable the being connected of section of thick bamboo.
Further, a resin temperature sensor is arranged in the pressure doubling cylinder, and a second pressure sensor is arranged in the lower heating ring.
Furthermore, a through cavity for placing the pressure doubling sleeve is formed in the pressure doubling barrel, pressing plates are arranged on two sides of the pressure doubling sleeve, and the pressing plates are fixed on the side wall of the pressure doubling barrel through bolts.
Further, a first conical flow passage, a middle flow passage and a second conical flow passage are arranged in the pressure doubling sleeve.
Furthermore, a cross flow channel assembly is arranged in the mixing roll, and comprises a flow channel cylinder and a plurality of first flow channel sheets and second flow channel sheets which are arranged in a cross mode in the flow channel cylinder.
By adopting the technical scheme, the fluid is mixed by the pressure doubling sleeve and the mixer, the flow rate of the fluid is reduced by the middle runner and the second conical runner of the pressure doubling sleeve, the cross runner component is added in the mixer, the fluid is fully mixed in the mixer after passing through the pressure doubling sleeve, the best mixing effect of the fluid before entering the die is ensured, the requirements of customers at different production speeds can be met, meanwhile, real-time data can be obtained by means of various sensors, and adjustment can be timely made according to production requirements. The utility model adopts an external detachable structure, and is more convenient and faster when the double-pressing sleeve needs to be replaced when different products are manufactured or the double-pressing die neck is damaged.
Drawings
FIG. 1 is a schematic structural view of a double-pressure die neck of a laminating extruder according to the present invention;
fig. 2 is a partially enlarged view of fig. 1.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 and 2, the present embodiment provides a double-pressure die neck of a laminating extruder, wherein the double-pressure die neck mixes fluid before the fluid enters a die. The double-pressure die neck of the laminating extruder in the embodiment comprises an upper heating ring 81, a pressing plate 82, a double-pressure barrel 83, a double-pressure sleeve 84, a mixing roll 85 and a lower heating ring 86, wherein the upper heating ring 81 is connected with a fluid charging barrel of the laminating extruder through an upper flange 87, one end of the double-pressure barrel 83 is connected with the upper heating ring 81, the other end of the double-pressure barrel 83 is connected with one end of the mixing roll 85, the other end of the mixing roll 85 is connected with one end of the lower heating ring 86, and the other end of the lower heating ring 86 is connected with a die through a lower flange 88. A resin temperature sensor 831 is provided in the pressure doubling cylinder 83, and a second pressure sensor 861 is provided in the lower heating ring 86.
As shown in fig. 2, the pressure doubling sleeve 84 of the present embodiment is detachably connected to the pressure doubling cylinder 83, a through cavity for placing the pressure doubling sleeve 84 is formed in the pressure doubling cylinder 83, pressure plates 82 are arranged on two sides of the pressure doubling sleeve 84, and the pressure plates 82 are fixed on a side wall of the pressure doubling cylinder 83 by bolts. When the pressure doubling sleeve 84 is damaged or different products need to be produced, the bolt can be directly loosened to replace the pressure doubling sleeve 84, all parts do not need to be disassembled, and time and labor are saved.
As shown in fig. 2, in the pressure doubling sleeve 84 of this embodiment, a first tapered flow passage 841, an intermediate flow passage 842, and a second tapered flow passage 843 are provided, where the length of the intermediate flow passage 842 is T, and the maximum diameter of the second tapered flow passage 843 is D. The mixer 85 of this embodiment is provided with a cross flow channel assembly, which includes a flow channel cylinder 851, and a plurality of first flow channel pieces 852 and second flow channel pieces 853 arranged in a cross manner in the flow channel cylinder 851.
When the raw material is smelted into fluid, the fluid enters the pressure doubling sleeve 84 from the inlet, the upper heating ring and the lower heating ring continuously heat the fluid in the pressure doubling die neck 8, and the fluid is kept in the original state. The pressure in the cavity of the pressure doubling sleeve 84 rises, the whole flow speed is reduced, when fluid reaches the mixer 85 after passing through the pressure doubling sleeve 84, the crossed runner assembly is arranged in the mixer 85, and when the fluid passes through the crossed runner assembly, better mixing can be ensured, the best mixing effect can be ensured before entering the die, and the requirements of customers at different production speeds can be met. Meanwhile, the resin temperature sensor 831 and the second pressure sensor 861 can measure various data in real time and feed the data back to the PLC system, so that the data in production can be mastered more quickly and accurately, and parameters can be changed conveniently at any time.
The technical problems, technical solutions and advantages of the present invention have been described in detail with reference to the above embodiments, and it should be understood that the above embodiments are merely exemplary and not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a drench membrane extruder double-pressure die neck which characterized in that: it includes heating ring (81), clamp plate (82), a pressure doubling section of thick bamboo (83), pressure doubling cover (84), mixing roll (85) and lower heating ring (86), the one end of a pressure doubling section of thick bamboo (83) links to each other with last heating ring (81), the other end of a pressure doubling section of thick bamboo (83) links to each other with the one end of mixing roll (85), the other end of mixing roll (85) links to each other with the one end of heating ring (86) down, the other end of heating ring (86) passes through lower flange (88) and links to each other with the mould down, pressure doubling cover (84) and pressure doubling section of thick bamboo (83) detachable the connection.
2. The double-pressure die neck of the laminating extruder as claimed in claim 1, wherein: a resin temperature sensor (831) is arranged in the pressure doubling cylinder (83), and a second pressure sensor (861) is arranged in the lower heating ring (86).
3. The double-pressure die neck of the laminating extruder as claimed in claim 1, wherein: the pressure doubling cylinder (83) is internally provided with a through cavity for placing a pressure doubling sleeve (84), the two sides of the pressure doubling sleeve (84) are provided with pressure plates (82), and the pressure plates (82) are fixed on the side wall of the pressure doubling cylinder (83) through bolts.
4. The double-pressure die neck of the laminating extruder as claimed in claim 1, wherein: a first conical flow passage (841), a middle flow passage (842) and a second conical flow passage (843) are arranged in the pressure doubling sleeve (84).
5. The double-pressure die neck of the laminating extruder as claimed in claim 1, wherein: the cross flow channel assembly is arranged in the mixing roll (85), and comprises a flow channel barrel (851), and a plurality of first flow channel sheets (852) and second flow channel sheets (853) which are arranged in the flow channel barrel (851) in a cross mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122563758.4U CN216329974U (en) | 2021-10-25 | 2021-10-25 | Pressure-multiplying die neck of laminating extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122563758.4U CN216329974U (en) | 2021-10-25 | 2021-10-25 | Pressure-multiplying die neck of laminating extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216329974U true CN216329974U (en) | 2022-04-19 |
Family
ID=81180642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122563758.4U Active CN216329974U (en) | 2021-10-25 | 2021-10-25 | Pressure-multiplying die neck of laminating extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216329974U (en) |
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2021
- 2021-10-25 CN CN202122563758.4U patent/CN216329974U/en active Active
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