CN209903876U - Novel rubber waterproofing membrane production device - Google Patents
Novel rubber waterproofing membrane production device Download PDFInfo
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- CN209903876U CN209903876U CN201920401108.XU CN201920401108U CN209903876U CN 209903876 U CN209903876 U CN 209903876U CN 201920401108 U CN201920401108 U CN 201920401108U CN 209903876 U CN209903876 U CN 209903876U
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- pressure stabilizing
- adapter plate
- machine head
- pump
- stabilizing pump
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000012528 membrane Substances 0.000 title claims description 14
- 238000004078 waterproofing Methods 0.000 title claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 78
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 11
- 150000001875 compounds Chemical class 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000003490 calendering Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a novel rubber waterproof coiled material production device; the device comprises a single-screw extruder, a pressure stabilizing pump, an L-shaped machine head die, a coupler, a base and a speed reducer; the single-screw extruder is connected with a pressure stabilizing pump through a machine head adapter plate, and the other end of the pressure stabilizing pump is connected with an L-shaped machine head die through a die adapter plate; the pressure stabilizing pump is also connected with the speed reducer through a coupler; the problems that the width of a produced product is limited (less than 1500 mm), the thickness uniformity of the product is greatly changed, and the stability in the production process is poor are solved, and the maximum pressure is stabilized to 50MPa on the basis of continuous feeding of an extruder, so that the extruded waterproof coiled material is more compact; and the extrusion speed can be faster, so that the production yield is greatly improved.
Description
Technical Field
The utility model relates to a novel rubber waterproofing membrane production device.
Background
At present, the production method of rubber waterproof coiled materials at home and abroad mostly adopts the processes of three-roller or four-roller calendering, sheet forming, coiling and vulcanizing. However, the quality of the waterproof coiled material produced by the calendering method of the calender is difficult to control, and the waterproof coiled material has the characteristics of porous section and rough surface of the product, and the extruded sheet of the extruder has good compactness, no pores and smooth surface, and can meet the quality requirements of high-grade products. The latest extruder extrusion method in recent years has higher requirements on devices and processes, and is particularly sensitive to the plasticizing uniformity of rubber materials, the distribution of extrusion pressure and speed, the geometric shape and size of a machine head runner, the processing precision, the control of the temperature and viscosity change of the rubber materials in the whole process from the feeding port to the die of an L-shaped machine head, and the like, the basic conditions bring great difficulty to the production of high-quality rubber sheets, the width of products produced by the method is limited (less than 1500 mm), the thickness uniformity of the products is greatly changed (more than 20 mu m), and the difficulty of continuous production is greatly increased due to poor stability in the production process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel rubber waterproof coiled material production device which has good stability in the production process and the product width is more than 1500 mm; the device comprises a single-screw extruder, a pressure stabilizing pump, an L-shaped machine head die, a coupler, a base and a speed reducer; the single-screw extruder is connected with a pressure stabilizing pump through a machine head adapter plate, and the other end of the pressure stabilizing pump is connected with an L-shaped machine head die through a die adapter plate; the pressure stabilizing pump is also connected with the speed reducer through a coupler;
the pressure stabilizing pump and the speed reducer are arranged on the base; the requirement of height difference of connection of a single screw extruder is met;
the mould head mould is supported by a mould supporting rod; the single screw extruder, the pressure stabilizing pump and the L-shaped die are on the same horizontal plane.
The machine head adapter plate is of a square structure, a threaded connection channel is arranged in the middle of the machine head adapter plate, one end of the machine head adapter plate is connected with the single-screw extruder through threads, and the other end of the machine head adapter plate is connected with the pressure stabilizing pump through threads; the interior of the machine head adapter disc is of a hollow structure and is provided with a water inlet, a water outlet and other water holes; heating the adapter plate by introducing hot circulating water, wherein the thickness of the adapter plate is 40-50 mm; the flowing distance of the rubber is short, so that the problems that the rubber has poor fluidity and adheres to the inner wall of the connecting flange to be carbonized due to the flowing distance caused by the lack of a heating system of the traditional connecting flange can be effectively solved;
the structure of the machine head adapter plate is the same as that of the mould adapter plate.
The pressure stabilizing pump; the feed port of the pressure stabilizing pump is connected with the single-screw extruder through a machine head adapter plate, and the discharge port of the pressure stabilizing pump is connected with an L-shaped machine head die through a die adapter plate; the pressure stabilizing pump is connected with the coupler through a gear and then connected with the speed reducer.
The pressure stabilizing pump comprises a pump body, a pressure stabilizing pump shaft and a side cover plate, wherein a feed inlet and a discharge outlet are formed in the pump body, one end of the pressure stabilizing pump shaft is rotatably connected to the side cover plate through a bearing and a sealing ring, and the other end of the pressure stabilizing pump shaft extends out of the pump body; the pressure stabilizing pump shaft comprises a driving shaft and a driven shaft; herringbone gears which are partially meshed with each other are arranged on the driving shaft and the driven shaft.
The directions of the driving shaft and the driven shaft extending out of the pump body are opposite, a pressure stabilizing pump shaft connected with the speed reducer is the driving shaft, and the other one is the driven shaft.
The feed port of the pressure stabilizing pump is connected with the single-screw extruder through a machine head adapter plate, and the discharge port of the pressure stabilizing pump is connected with an L-shaped machine head die through a die adapter plate; the pressure stabilizing pump is connected with the coupler through a gear and further connected with the speed reducer, and pressure and temperature sensors are arranged at a feeding port and a discharging port of the pressure stabilizing pump for real-time monitoring; the temperature of the inlet and the discharge hole of the pressure stabilizing pump is adjusted by adjusting the temperature of the adapter plate.
Has the advantages that:
1. aircraft nose switching dish and mould switching dish: the switching function between the pressure stabilizing pump and the single-screw extruder head and between the pressure stabilizing pump and the L-shaped head die is achieved, the two switching discs are identical in structure, the switching block is designed with a heating water hole by taking the head switching disc as an example, the switching disc is thin, the flowing distance of rubber materials is short, and the problems that the rubber materials are poor in flowability and adhered to the inner wall of the switching flange to be carbonized and the like due to the fact that a heating system is lacked and the flowing distance is long in the traditional switching flange are effectively solved.
2. The pressure stabilizing gear pump is applied, has an independent power driving system, has stepless speed regulating capability, can realize the maximum pressure stabilization to 50MPa on the basis of continuous feeding of an extruder, ensures that an extruded waterproof coiled material is more compact, the width is greatly improved to more than 1500mm, the thickness uniformity can be improved to +/-5 microns from +/-15 microns, and the service life is greatly prolonged.
3. The application of the pressure stabilizing gear pump can realize the effect of stabilizing the extrusion pressure, solve the product quality problem caused by large pressure pulsation amplitude of the extruder, stabilize the extrusion production process and reduce the time and times for adjusting the L-shaped waterproof roll die.
4. The application of steady voltage type gear pump improves the meshing tooth of driving follower driving wheel for the font tooth, and the relative grow in space of meshing part can not receive the influence by the velocity of flow of rubber materials in the steady voltage pump, can realize more quick extrusion speed for production output promotes by a wide margin, and increase of production output is nearly more than one time. Realize the extrusion of wider waterproofing membrane, solve traditional wide waterproofing membrane because of the mould runner length extrusion product breadth that leads to is limited, because of the waterproofing membrane thickness inequality that material flow on-the-way pressure loss leads to, waterproofing membrane lack the material, have the gas pocket scheduling problem.
5. Pressure and temperature sensors are arranged at the feed inlet and the discharge outlet of the pressure stabilizing gear pump, so that real-time monitoring of pressure and temperature is realized, and extrusion pressure and extrusion speed can be adjusted by adjusting the rotating speed of the gear pump.
6. The pump body, the extruder and the die are designed by independent temperature control respectively, so that the temperature is accurately controlled.
7. The driving shaft and the driven shaft of the pressure stabilizing pump extend out of the pump body and can be used as a driving shaft and a driven shaft, so that the pressure stabilizing pump is convenient to use and replace, and the service life is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a head adapter plate;
FIG. 3 is a schematic view of a connection structure of a pressure stabilizing pump, a machine head turntable and a mold turntable;
FIG. 4 is a schematic view of the working state of the apparatus;
FIG. 5 is a schematic view of the whole structure of a pressure stabilizing pump;
FIG. 6 is a cross-sectional view of a pressure maintaining pump;
fig. 7 is a schematic view of the driving shaft structure.
Wherein: 1-single screw extruder; 2-a nose switching disk; 3-a pressure stabilizing pump; 4-a mould switching disc; 5-L-shaped machine head die; 6-a mold support bar; 7-a coupler; 8-a base; 9-a speed reducer; 10-water inlet holes; 11-water outlet; 12-other water holes; 13-a threaded connection channel; 31 a drive shaft; 32 driven shaft.
Detailed Description
The utility model relates to a rationally, low cost, durable, safe and reliable, easy operation, labour saving and time saving, saving fund, compact structure and convenient to use.
A novel rubber waterproof coiled material production device; the device comprises a single-screw extruder 1, a pressure stabilizing pump 3, an L-shaped machine head die 5, a coupler 7, a base 8 and a speed reducer 9; the single-screw extruder 1 is connected with a pressure stabilizing pump 3 through a machine head adapter plate 2, and the other end of the pressure stabilizing pump 3 is connected with an L-shaped machine head die 5 through a die adapter plate 4; the pressure stabilizing pump 3 is also connected with a speed reducer 9 through a coupler 7;
the pressure stabilizing pump 3 and the speed reducer 9 are arranged on the base 8; the L-line machine head die 5 is supported by a die supporting rod 6; ensuring that the single-screw extruder 1, the pressure stabilizing pump 3 and the L-shaped machine head die 5 are on the same horizontal plane;
the machine head adapter plate 2 is of a square structure, a threaded connection channel 13 is arranged in the middle of the machine head adapter plate, one end of the machine head adapter plate is connected with the single-screw extruder 1 through threads, and the other end of the machine head adapter plate is connected with the pressure stabilizing pump 3 through threads; the inner part of the machine head adapter disc 2 is of a hollow structure and is provided with a water inlet 10, a water outlet 11 and other water holes 12; heating the machine head adapter plate 2 by introducing hot circulating water, wherein the thickness of the machine head adapter plate 2 is 40-50 mm; the structure of the machine head adapter plate 2 is the same as that of the mould adapter plate 4.
The pressure stabilizing pump is a pressure stabilizing gear pump; the pressure stabilizing pump comprises a pump body, a driving shaft 31 and a driven shaft 32, wherein a feeding hole and a discharging hole are formed in the pump body, herringbone gears which are meshed with each other are arranged on the driving shaft 31 and the driving shaft 32, one end of each of the driving shaft 31 and the driven shaft 32 is rotatably connected to a side cover plate through a bearing and a sealing ring, a pressure stabilizing pump shaft connected with a speed reducer is the driving shaft, and the other one is the driven shaft.
Specifically, when one of the driving shaft 31 and the driven shaft 32 is a driving shaft, the other one is a driven shaft, so that the driving shaft and the driven shaft can be conveniently replaced, and the service life is prolonged.
The pressure stabilizing pump 3 is a pressure stabilizing gear pump; a feed port of the pressure stabilizing pump 3 is connected with the single-screw extruder through a machine head adapter plate 2, and a discharge port of the pressure stabilizing pump 3 is connected with an L-shaped machine head die 5 through a die adapter plate 4; the pressure stabilizing pump 3 is connected with a coupler 7 through a gear and further connected with a speed reducer 9, and pressure and temperature sensors are arranged at a feeding port and a discharging port of the pressure stabilizing pump 3 for real-time monitoring; the temperature of the feed inlet and the discharge outlet of the pressure stabilizing pump is adjusted by adjusting the temperature of the die adapter plate and the head adapter plate, and the pressure of the extruder and the extrusion speed are adjusted by adjusting the rotating speed of the gear pump.
In the production process; feeding a rubber material into a single-screw extruder, forming high-fluidity rubber compound through the single-screw extruder, continuously feeding the rubber compound to a pressure stabilizing pump, adjusting the pressure of rubber material extruded from the single-screw extruder into the pressure stabilizing pump by the pressure stabilizing pump through the speed regulation of a speed reducer, ensuring the pressure stability of a feeding port and a discharging port of the pressure stabilizing pump, and continuously feeding the rubber compound to an L-shaped die to obtain the rubber waterproof coiled material;
the machine head adapter plate and the die adapter plate are communicated with flowing hot water for circulating heating, so that the temperature in the rubber compound production process is ensured; the fluidity of the rubber compound is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious to those skilled in the art that a plurality of embodiments of the present invention may be combined. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (8)
1. A novel rubber waterproof coiled material production device; the method is characterized in that: the device comprises a single-screw extruder, a pressure stabilizing pump, an L-shaped machine head die, a coupler, a base and a speed reducer; the single-screw extruder is connected with a pressure stabilizing pump through a machine head adapter plate, and the other end of the pressure stabilizing pump is connected with an L-shaped machine head die through a die adapter plate; the pressure stabilizing pump is also connected with the speed reducer through a coupler.
2. The novel rubber waterproofing membrane production device according to claim 1; the method is characterized in that: the pressure stabilizing pump and the speed reducer are arranged on the base; the L-shaped line head die is supported by a die supporting rod; the single screw extruder, the pressure stabilizing pump and the L-shaped die are on the same horizontal plane.
3. The novel rubber waterproofing membrane production device according to claim 1; the method is characterized in that: the machine head adapter plate is of a square structure, a threaded connection channel is arranged in the middle of the machine head adapter plate, one end of the machine head adapter plate is connected with the single-screw extruder through threads, and the other end of the machine head adapter plate is connected with the pressure stabilizing pump through threads; the interior of the machine head adapter plate is of a hollow structure and is provided with a water inlet, a water outlet and a water hole; and heating the die adapter plate and the machine head adapter plate by introducing hot circulating water.
4. The novel rubber waterproofing membrane production device according to claim 1; the method is characterized in that: the thickness of the machine head adapter plate is 40-50 mm; the structure of the machine head adapter plate is the same as that of the mould adapter plate.
5. The novel rubber waterproofing membrane production device according to claim 1; the method is characterized in that: the feeding port of the pressure stabilizing pump is connected with the single-screw extruder through a machine head adapter plate, and the discharging port of the pressure stabilizing pump is connected with an L-shaped machine head die through a die adapter plate; the pressure stabilizing pump is connected with the coupler through a gear and then connected with the speed reducer.
6. The novel rubber waterproofing membrane production apparatus as set forth in claim 1 or 5; the method is characterized in that: the pressure stabilizing pump is a pressure stabilizing gear pump; the pump comprises a pump body, a pressure stabilizing pump shaft and a side cover plate, wherein a feed inlet and a discharge outlet are formed in the pump body, one end of the pressure stabilizing pump shaft is rotatably connected to the side cover plate through a bearing and a sealing ring, and the other end of the pressure stabilizing pump shaft extends out of the pump body; the pressure stabilizing pump shaft comprises a driving shaft and a driven shaft; herringbone gears which are partially meshed with each other are arranged on the driving shaft and the driven shaft.
7. The novel rubber waterproofing membrane production device according to claim 6; the method is characterized in that: the directions of the driving shaft and the driven shaft extending out of the pump body are opposite, a pressure stabilizing pump shaft connected with the speed reducer is the driving shaft, and the other one is the driven shaft.
8. The novel rubber waterproofing membrane production device according to claim 5; the method is characterized in that: pressure and temperature sensors are arranged at a feed inlet and a discharge outlet of the pressure stabilizing pump for real-time monitoring; the temperature of the inlet and the discharge port of the pressure stabilizing pump is adjusted by adjusting the temperature of the die adapter plate and the temperature of the handpiece adapter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401108.XU CN209903876U (en) | 2019-03-28 | 2019-03-28 | Novel rubber waterproofing membrane production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401108.XU CN209903876U (en) | 2019-03-28 | 2019-03-28 | Novel rubber waterproofing membrane production device |
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| Publication Number | Publication Date |
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| CN209903876U true CN209903876U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920401108.XU Active CN209903876U (en) | 2019-03-28 | 2019-03-28 | Novel rubber waterproofing membrane production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808146A (en) * | 2019-03-28 | 2019-05-28 | 青岛科技大学 | A kind of new type rubber waterproofing membrane production device and method |
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2019
- 2019-03-28 CN CN201920401108.XU patent/CN209903876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808146A (en) * | 2019-03-28 | 2019-05-28 | 青岛科技大学 | A kind of new type rubber waterproofing membrane production device and method |
| CN109808146B (en) * | 2019-03-28 | 2024-08-30 | 青岛科技大学 | Rubber waterproof coiled material production device and method |
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