CN217346603U - A force feeding device for production of PVB rupture membrane - Google Patents
A force feeding device for production of PVB rupture membrane Download PDFInfo
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- CN217346603U CN217346603U CN202220656702.5U CN202220656702U CN217346603U CN 217346603 U CN217346603 U CN 217346603U CN 202220656702 U CN202220656702 U CN 202220656702U CN 217346603 U CN217346603 U CN 217346603U
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- jacket
- material returning
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- 239000012528 membrane Substances 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 51
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 25
- 238000004804 winding Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A forced feeding device for PVB (polyvinyl butyral) explosion-proof membrane production is characterized in that a feeding barrel jacket, a charging barrel jacket water inlet and a charging barrel jacket water outlet are arranged on the outer side of the middle part of a feeding barrel; the middle part of the feeding port is provided with a feeding port jacket, a feeding port water inlet and a feeding port water outlet; a transmission gap bridge, a speed reducer and a motor are arranged on the feeding cylinder cover; a pair of pressure bearings is arranged in the main shaft hole, and a main shaft sealing ring and a main shaft are arranged at the lower end of the main shaft hole; two groups of stirring rods and scrapers are arranged on two sides of the lower part of the main shaft in a crossed manner; the lower end of the main shaft is provided with a screw shaft, and the outer side of the screw shaft is welded from top to bottom to form a feeding screw plate; two rows of material returning spiral connecting rods and material returning spiral plates are arranged on two sides of the spiral shaft in a staggered mode, and the spirals of the material returning spiral plates and the feeding spiral plates are arranged in a reverse mode. The utility model discloses a return material spiral plate takes back upper portion through the PVB mixture that reverse rotation will feed the spiral plate part and not extrude, extrudes again, avoids winding, the bridging of PVB mixture, has reduced the wearing and tearing of bearing, has improved the life of extruder.
Description
Technical Field
The utility model relates to a feeding device for PVB rupture membrane production, especially a force feeding device for PVB rupture membrane production.
Background
At present, PVB (polyvinyl butyral) is abbreviated as PVB or a high polymer material, a PVB mixed material film is processed into a semitransparent state by extrusion molding, has a flat surface and good flexibility, has good bonding force on inorganic glass, and is widely applied to automobile glass, high-rise building glass and various bulletproof glass; in the process of extruding and conveying a PVB mixture by a feeding screw in the conventional extruder processing, the PVB mixture which is not extruded locally by a feeding screw plate in a feeding cylinder is plasticized, the un-extruded PVB mixture and the output PVB mixture are easy to be wound and bridged, so that the flowability of the PVB mixture is poor, and the phenomenon of adhesion and bridging between the PVB mixture and the inner wall of a main shaft and the inner wall of the feeding cylinder is easy to occur; in addition, most of the main shafts of the extruders adopt common bearings, the bearings are quickly worn, the main shafts are easy to loosen, once the main shafts are loosened, the PVB mixture extruded by the feeding machine is not uniform, and the stirring of the stirring rods of the main shafts is not stable; the stirring rod causes abrasion and damage to the inner wall of the feeding cylinder, so that the service life of the extruder is shortened; for the reasons mentioned above, a forced feeding device for producing a PVB explosion-proof membrane is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects that the PVB mixture in the feeding cylinder is plasticized partially and is not extruded, so that the flowability of the PVB mixture is poor, and the phenomena of adhesion, bridging, a main shaft and the inner wall of the feeding cylinder are easy to occur in the PVB mixture; in addition, most of the main shafts of the extruders adopt common bearings, the bearings are quickly worn, the main shafts are easy to loosen, once the main shafts are loosened, the PVB mixture extruded by the feeding machine is not uniform, and the stirring of the stirring rods of the main shafts is not stable; the stirring rod causes abrasion and damage to the inner wall of the feeding cylinder, so that the service life of the extruder is shortened; the forced feeding device for PVB (polyvinyl butyral) explosion-proof membrane production is provided through reasonable design; the main shaft sealing ring of the main shaft of the forced feeding device prevents PVB mixture from entering; in the PVB mixture extrusion process, the material returning spiral plate brings the PVB mixture that the feed spiral plate is not locally extruded back to the upper portion through reverse rotation, extrude in the feed spiral plate again, can increase the mobility of PVB mixture, avoid the winding of PVB mixture, the bridging, the main shaft passes through a pair of pressure bearing's support, fore-and-aft intensity can be strengthened to pressure bearing, the wearing and tearing of bearing have been reduced, the stability of main shaft has been increased, reduce the not hard up and the interior friction of feeding cylinder of puddler, ensure that the normal PVB mixture of extruding of feeding machine carries out the feed, the life of extruder has been improved.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme, a force feeding device for production of PVB rupture membrane is by: the device comprises a feeding cylinder, a feeding cylinder cover, a feeding port, a transmission gap bridge, a speed reducer, a motor, a material level device, a feeding port, a feeding cylinder jacket, a feeding cylinder discharging port, a feeding port jacket, a discharging port flange, a charging cylinder jacket water inlet, a charging cylinder jacket water outlet, a feeding port water inlet, a feeding port water outlet, a main shaft sealing ring, a stirring rod, a feeding spiral plate, a spiral shaft plug-in connector, a material returning spiral plate, a material returning spiral seat, a pressure bearing and a material returning spiral connecting rod; the lower part of the feeding cylinder is arranged in a funnel shape, the opening part at the lower end of the funnel shape is arranged as a discharging port of the feeding cylinder, the lower end of the discharging port of the feeding cylinder is provided with a feeding port, and a discharging port flange is arranged between the feeding port and the discharging port of the feeding cylinder; a feeding barrel jacket is arranged on the outer side of the middle part of the feeding barrel, a charging barrel jacket water inlet is arranged on one side of the upper part of the feeding barrel jacket, and a charging barrel jacket water outlet is arranged on one side of the lower part of the feeding barrel jacket; a feeding port jacket is arranged in the middle of the feeding port, a feeding port water inlet is arranged on one side of the upper part of the feeding port jacket, and a feeding port water outlet is arranged on one side of the lower part of the feeding port jacket;
the upper opening of the feeding cylinder is provided with a feeding cylinder cover, the middle part of the upper surface of the feeding cylinder cover is reserved with a bridge passing hole, a transmission bridge passing is arranged in the bridge passing hole, the upper end of the transmission bridge passing is provided with a speed reducer, the upper end of the speed reducer is provided with a motor, the two sides of the bridge passing hole are respectively reserved with a feeding opening and a material level hole, and a material level device is arranged in the material level hole; a transmission mechanism is arranged between the speed reducer and the motor, and the lower end of the speed reducer is provided with a driving shaft; a main shaft hole is reserved in the center of the transmission gap bridge in the longitudinal direction, a main shaft sealing ring is arranged at the lower end of the main shaft hole, a pair of pressure bearings are arranged at the upper end and the lower end of the main shaft hole, a main shaft is arranged in the main shaft sealing ring and the pair of pressure bearings, and the upper end of the main shaft and the lower end of a driving shaft of the speed reducer are arranged in an inserting manner;
two groups of stirring rods are arranged on two sides of the lower part of the main shaft in a crossed manner, two ends of each stirring rod are respectively provided with a scraping plate corresponding to the inner wall of the feeding cylinder, and a feeding spiral plate is arranged in a feeding port; the lower end of the main shaft is provided with a screw shaft, the upper end of the screw shaft is provided with a screw shaft plug-in connector, the lower end of the main shaft is reserved with a plug-in hole, and the plug-in hole is internally provided with a screw shaft plug-in connector;
the outer side of the screw shaft is welded from top to bottom to form a feeding screw plate, a material returning screw seat is arranged between the screw shaft and the screw shaft plug, a material returning screw connecting rod is arranged on one side of the material returning screw seat, two rows of material returning screw connecting rods are arranged on two sides of the screw shaft in a staggered mode, a material returning screw plate is arranged below the two rows of material returning screw connecting rods in a corresponding mode, and screws of the material returning screw plate and the feeding screw plate are arranged in a reverse mode.
Has the advantages that: the main shaft sealing ring of the main shaft of the forced feeding device prevents PVB mixture from entering; in the PVB mixture extrusion process, the material returning spiral plate brings the PVB mixture that the feed spiral plate is not locally extruded back to the upper portion through reverse rotation, extrude in the feed spiral plate again, can increase the mobility of PVB mixture, avoid the winding of PVB mixture, the bridging, the main shaft passes through a pair of pressure bearing's support, fore-and-aft intensity can be strengthened to pressure bearing, the wearing and tearing of bearing have been reduced, the stability of main shaft has been increased, reduce the not hard up and the interior friction of feeding cylinder of puddler, ensure that the normal PVB mixture of extruding of feeding machine carries out the feed, the life of extruder has been improved.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic view of the assembly structure;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 1;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
FIG. 5 is a schematic view of the feed and return flights of FIG. 1;
FIG. 6 is a schematic top view of the structure of FIG. 5;
in fig. 1, 2, 3, 4, 5, 6: the device comprises a feeding cylinder 1, a feeding cylinder cover 2, a feeding port 2-1, a transmission gap bridge 3, a speed reducer 4, a motor 5, a material level indicator 6, a feeding port 7, a feeding cylinder jacket 8, a feeding cylinder discharge port 9, a feeding port jacket 10, a discharge port flange 11, a charging cylinder jacket water inlet 12, a charging cylinder jacket water outlet 13, a feeding port water inlet 14, a feeding port water outlet 14-1, a main shaft 15, a main shaft sealing ring 15-1, a stirring rod 16, a feeding spiral plate 17, a spiral shaft 17-1, a spiral shaft plug 17-2, a material returning spiral plate 18, a material returning spiral seat 18-1, a pressure bearing 19 and a material returning spiral connecting rod 20.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings:
the lower part of the feeding cylinder 1 is arranged in a funnel shape, the lower port part of the funnel shape is arranged as a feeding cylinder discharge port 9, the lower end of the feeding cylinder discharge port 9 is provided with a feeding port 7, and a discharge port flange 11 is arranged between the feeding port 7 and the feeding cylinder discharge port 9; a feeding barrel jacket 8 is arranged on the outer side of the middle part of the feeding barrel 1, a barrel jacket water inlet 12 is arranged on one side of the upper part of the feeding barrel jacket 8, and a barrel jacket water outlet 13 is arranged on one side of the lower part of the feeding barrel jacket 8; a feeding port jacket 10 is arranged in the middle of the feeding port 7, a feeding port water inlet 14 is arranged on one side of the upper part of the feeding port jacket 10, and a feeding port water outlet 14-1 is arranged on one side of the lower part of the feeding port jacket 10;
the upper opening of the feeding cylinder 1 is provided with a feeding cylinder cover 2, the middle part of the upper surface of the feeding cylinder cover 2 is reserved with a bridge passing hole, a transmission bridge 3 is arranged in the bridge passing hole, the upper end of the transmission bridge 3 is provided with a speed reducer 4, the upper end of the speed reducer 4 is provided with a motor 5, the two sides of the bridge passing hole are respectively reserved with a feeding opening 2-1 and a material level hole, and a material level device 6 is arranged in the material level hole; a transmission mechanism is arranged between the speed reducer 4 and the motor 5, and the lower end of the speed reducer 4 is provided with a driving shaft; a main shaft hole is reserved in the center of the transmission gap bridge 3 in the longitudinal direction, a main shaft sealing ring 15-1 is arranged at the lower end of the main shaft hole, a pair of pressure bearings 19 is arranged at the upper end and the lower end of the main shaft hole, a main shaft 15 is arranged in the main shaft sealing ring 15-1 and the pair of pressure bearings 19, and the upper end of the main shaft 15 and the lower end of a driving shaft of the speed reducer 4 are arranged in an inserting mode;
two groups of stirring rods 16 are arranged on two sides of the lower part of the main shaft 15 in a crossed manner, two ends of each stirring rod 16 are respectively provided with a scraping plate corresponding to the inner wall of the feeding cylinder 1, and a feeding spiral plate 17 is arranged in the feeding port 7; the lower end of the main shaft 15 is provided with a screw shaft 17-1, the upper end of the screw shaft 17-1 is provided with a screw shaft plug-in connector 17-2, the lower end of the main shaft 15 is reserved with a plug-in hole, and the plug-in hole is internally provided with the screw shaft plug-in connector 17-2.
The outer side of the screw shaft 17-1 is welded from top to bottom to form a feeding screw plate 17, a material returning screw seat 18-1 is arranged between the screw shaft 17-and a screw shaft plug-in connector 17-2, a material returning screw connecting rod 20 is arranged on one side of the material returning screw seat 18-1, two rows of material returning screw connecting rods 20 are arranged on two sides of the screw shaft 17 in a staggered mode, the material returning screw plates 18 are arranged below the two rows of material returning screw connecting rods 20 corresponding to two ends of the two rows of material returning screw connecting rods 20, and the screws of the material returning screw plates 18 and the feeding screw plate 17 are arranged in a reverse mode.
Claims (3)
1. A forced feeding device for PVB (polyvinyl butyral) explosion-proof membrane production is composed of: the device comprises a feeding cylinder (1), a feeding cylinder cover (2), a feeding port (2-1), a transmission gap bridge (3), a speed reducer (4), a motor (5), a material level device (6), a feeding port (7), a feeding cylinder jacket (8), a feeding cylinder discharge port (9), a feeding port jacket (10), a discharge port flange (11), a charging cylinder jacket water inlet (12), a charging cylinder jacket water outlet (13), a feeding port water inlet (14), a feeding port water outlet (14-1), a main shaft (15), a main shaft sealing ring (15-1), a stirring rod (16), a feeding spiral plate (17), a spiral shaft (17-1), a spiral shaft plug-in connector (17-2), a material returning spiral plate (18), a material returning spiral seat (18-1), a pressure bearing (19) and a material returning spiral connecting rod (20); the method is characterized in that: the lower part of the feeding barrel (1) is arranged to be funnel-shaped, the lower port part of the funnel-shaped is arranged to be a feeding barrel discharge port (9), the lower end of the feeding barrel discharge port (9) is provided with a feeding port (7), and a discharge port flange (11) is arranged between the feeding port (7) and the feeding barrel discharge port (9); a feeding barrel jacket (8) is arranged on the outer side of the middle part of the feeding barrel (1), a barrel jacket water inlet (12) is arranged on one side of the upper part of the feeding barrel jacket (8), and a barrel jacket water outlet (13) is arranged on one side of the lower part of the feeding barrel jacket (8); a feeding port jacket (10) is arranged in the middle of the feeding port (7), a feeding port water inlet (14) is arranged on one side of the upper part of the feeding port jacket (10), and a feeding port water outlet (14-1) is arranged on one side of the lower part of the feeding port jacket (10);
a feeding cylinder cover (2) is arranged at the upper opening of the feeding cylinder (1), a bridge passing hole is reserved in the middle of the upper surface of the feeding cylinder cover (2), a transmission bridge (3) is arranged in the bridge passing hole, a speed reducer (4) is arranged at the upper end of the transmission bridge (3), a motor (5) is arranged at the upper end of the speed reducer (4), a feeding opening (2-1) and a material level hole are reserved on two sides of the bridge passing hole respectively, and a material level device (6) is arranged in the material level hole; a transmission mechanism is arranged between the speed reducer (4) and the motor (5), and the lower end of the speed reducer (4) is provided with a driving shaft; a main shaft hole is reserved in the center of the transmission gap bridge (3) in the longitudinal direction, a main shaft sealing ring (15-1) is arranged at the lower end of the main shaft hole, a pair of pressure bearings (19) is arranged at the upper end and the lower end of the main shaft hole, a main shaft (15) is arranged in the main shaft sealing ring (15-1) and the pair of pressure bearings (19), and the upper end of the main shaft (15) and the lower end of a driving shaft of the speed reducer (4) are arranged in an inserting mode.
2. The forced feeding device for PVB (polyvinyl butyral) explosion-proof membrane production according to claim 1, wherein the forced feeding device comprises: two groups of stirring rods (16) are arranged on two sides of the lower part of the main shaft (15) in a crossed manner, two ends of each stirring rod (16) are respectively provided with a scraping plate corresponding to the inner wall of the feeding cylinder (1), and a feeding spiral plate (17) is arranged in the feeding port (7); the lower end of the main shaft (15) is provided with a screw shaft (17-1), the upper end of the screw shaft (17-1) is provided with a screw shaft plug-in connector (17-2), the lower end of the main shaft (15) is reserved with a plug-in hole, and the screw shaft plug-in connector (17-2) is arranged in the plug-in hole.
3. The forced feeding device for PVB (polyvinyl butyral) explosion-proof membrane production according to claim 1, wherein the forced feeding device comprises: the feeding spiral plate (17) is welded from top to bottom on the outer side of the spiral shaft (17-1), a material returning spiral seat (18-1) is arranged between the spiral shaft (17-1) and the spiral shaft plug-in connector (17-2), a material returning spiral connecting rod (20) is arranged on one side of the material returning spiral seat (18-1), two rows of material returning spiral connecting rods (20) are arranged on two sides of the spiral shaft (17) in a staggered mode, the material returning spiral plate (18) is arranged below the two rows of material returning spiral connecting rods (20) corresponding to two ends of the two rows of material returning spiral connecting rods, and the spirals of the material returning spiral plate (18) and the feeding spiral plate (17) are arranged in a reverse mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220656702.5U CN217346603U (en) | 2022-03-24 | 2022-03-24 | A force feeding device for production of PVB rupture membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220656702.5U CN217346603U (en) | 2022-03-24 | 2022-03-24 | A force feeding device for production of PVB rupture membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217346603U true CN217346603U (en) | 2022-09-02 |
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ID=83053177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220656702.5U Active CN217346603U (en) | 2022-03-24 | 2022-03-24 | A force feeding device for production of PVB rupture membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217346603U (en) |
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2022
- 2022-03-24 CN CN202220656702.5U patent/CN217346603U/en active Active
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