CN215628444U - Extruder for preparing melt-blown non-woven fabric - Google Patents
Extruder for preparing melt-blown non-woven fabric Download PDFInfo
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- CN215628444U CN215628444U CN202120641396.3U CN202120641396U CN215628444U CN 215628444 U CN215628444 U CN 215628444U CN 202120641396 U CN202120641396 U CN 202120641396U CN 215628444 U CN215628444 U CN 215628444U
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Abstract
The utility model discloses an extruder for preparing melt-blown non-woven fabric, and aims to provide an extruder for preparing melt-blown non-woven fabric, wherein the temperature of a material barrel is easy to control. It includes the frame, the frame top is equipped with the feeder hopper, the feeder hopper lower extreme is connected with the hob, be equipped with the screw around the hob, the hob outside is equipped with the feed cylinder, the feed cylinder outside is equipped with the connecting cylinder, the feed cylinder, the axis of connecting cylinder and the axis coincidence of hob, the connecting cylinder cup joints rotating device, the connecting cylinder inner wall is equipped with a plurality of through-holes, the through-hole runs through the inside and outside lateral wall of connecting cylinder, the connecting cylinder outside is equipped with the safety cover, the safety cover is located between the adjacent rotating device, the safety cover inner wall is equipped with a plurality of hot plates, the safety cover outside is equipped with the air-supply line, the temperature-sensing ware, go out the tuber pipe. The utility model has the beneficial effects that: in the melt extrusion process of the extruder, the temperature of the charging barrel is easy to control, the material coming out of the extruder meets the product requirement, the material is ensured to be completely melt extruded, and the utilization rate of the material is improved.
Description
Technical Field
The utility model relates to the technical field of high polymer material processing machinery, in particular to an extruder for preparing melt-blown non-woven fabric.
Background
The screw extruder is mainly used for extruding soft and hard polyvinyl chloride, polyethylene and other thermoplastic plastics, can process various plastic products such as blown film, extruded tube, press plate, wire drawing belt and the like, and can also be used for melt granulation. In the prior art, in the extrusion process of a screw extruder, some materials are sensitive to temperature, the temperature is improperly controlled, and the produced products are unqualified easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides an extruder for preparing melt-blown non-woven fabric, which is easy to control the temperature of a material barrel and aims to overcome the defect that the temperature of the material barrel is not easy to control in the extrusion process of a screw extruder in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an extruder that melt-blown non-woven fabric preparation was used, includes the frame, the frame top is equipped with the feeder hopper, the feeder hopper lower extreme is connected with the hob, be equipped with the screw around the hob, the hob outside is equipped with the feed cylinder, the feed cylinder outside is equipped with the connecting cylinder, the axis of feed cylinder, connecting cylinder and the axis coincidence of hob, the connecting cylinder cup joints rotating device, the connecting cylinder inner wall is equipped with a plurality of through-holes, the through-hole runs through the inside and outside lateral wall of connecting cylinder, the connecting cylinder outside is equipped with the safety cover, the safety cover is located between the adjacent rotating device, the safety cover inner wall is equipped with a plurality of hot plates, the safety cover outside is equipped with the air-supply line, temperature-sensing ware, play tuber pipe.
The material that need the melting to extrude passes through on the feeder hopper carries the hob, the hob rotates and carries the material to next process under the effect of screw, when the temperature in the feed cylinder is less than the setting value of extruder, the temperature-sensing ware senses the temperature variation back, the hot plate heats, start rotating device simultaneously, the connecting cylinder rotates under rotating device's effect, it is inboard with the safety cover because of the connecting cylinder is located the feed cylinder outside, the connecting cylinder is equipped with the through-hole that runs through interior lateral wall, thereby the even transport feed cylinder lateral wall of steam in the safety cover, keep warm to the feed cylinder and reach the setting value. When the temperature in the feed cylinder is higher than the setting value of extruder, let in cold air in to the safety cover through the air-supply line, the cold air after the heat transfer is gone out from the tuber pipe and is collected, under the rotation effect of connecting cylinder, the lateral wall of feed cylinder is carried to the cold air in the safety cover is even, thereby cool down the feed cylinder, the feed cylinder temperature of whole in-process extruder can not appear the temperature and cross low and too high phenomenon, the temperature of feed cylinder is easily controlled, thereby the product that makes to come out from the extruder meets the requirements.
Preferably, the rotating device comprises a first motor, a rotating shaft, a first bevel gear and a second bevel gear, the first motor is connected with the rotating shaft, the rotating shaft is sleeved with the first bevel gear, the first bevel gear is connected with the second bevel gear, and the second bevel gear is connected with the connecting cylinder. The rotating shaft is driven to rotate by the first motor, so that the rotating shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate under the connection of the first bevel gear and the second bevel gear, the connecting cylinder connected with the second bevel gear rotates, and the cold air and the hot air in the protective cover are uniformly distributed to the outer wall of the charging cylinder, so that the temperature of the outer wall of the charging cylinder is always kept within a set value range, and the product coming out of the extruder meets the requirements.
Preferably, the through holes are uniformly distributed on the inner wall of the connecting cylinder, the through holes are arc-shaped, and the through holes are matched with the heating plate. Through-hole and hot plate phase-match ensure that the hot gas of being heated by the hot plate can all get into the connecting cylinder through the through-hole inside to rotate the in-process at the connecting cylinder, can be fast even keep warm and cool down the processing to the feed cylinder, ensure that the temperature in the feed cylinder is in suitable within range.
Preferably, the hob is connected with a second motor, a connecting sleeve is arranged between the second motor and the connecting cylinder, the connecting sleeve is strip-shaped, one end of the connecting sleeve is fixedly connected with the second motor, the other end of the connecting sleeve is rotatably connected with the connecting cylinder, and the central axis of the connecting sleeve coincides with the central axis of the hob. The second motor drives the rotation of hob to carry out the melting to extrude in carrying the feed cylinder from the material that the feeder hopper got into, the adapter sleeve is used for preventing to be located the hob between second motor and the adapter sleeve and falls into the dust, influences the product quality who finally comes out from the extruder.
Preferably, a baffle is arranged in the connecting sleeve, the baffle is rotatably connected with the screw rod, and the baffle is positioned in front of the lower end of the feed hopper. The baffle is used for ensuring that all materials from the feed hopper are conveyed into the barrel for melt extrusion, and preventing partial materials from refluxing and being not fully melt extruded to waste raw materials.
Preferably, the propeller is wavy on the outer side of the screw rod, and the propeller is located behind the baffle. The wavy screw propeller is favorable for the screw rod to push the molten material to the next process in the rotating process, so that the subsequent processes can be conveniently carried out, and meanwhile, the screw propeller is positioned behind the baffle and is favorable for conveying the material without damaging the baffle.
The utility model has the beneficial effects that: in the process of melt extrusion of the extruder, the temperature of the charging barrel is easy to control, the material coming out of the extruder meets the product requirements, meanwhile, the material backflow can be avoided, the material is ensured to be completely extruded by melt, and the utilization rate of the material is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic view of the structure of the rotating apparatus in fig. 1.
In the figure: 1. the feeding device comprises a rack, a feeding hopper, a screw rod, a second motor, a charging barrel, a connecting barrel and a through hole, wherein the feeding hopper is 2, the screw rod is 3, the second motor is 31, the charging barrel is 4, the connecting barrel is 5, and the through hole is 51; 6, a rotating device, 61, a first motor, 62, a rotating shaft, 63, a first bevel gear, 64, a second bevel gear; 7, a protective cover, 71, a heating plate, 72, an air inlet pipe, 73, a temperature sensor and 74, an air outlet pipe; 8, a connecting sleeve, 81 and a baffle.
Detailed Description
The utility model is further described with reference to the following figures and detailed description.
Example 1:
as shown in fig. 1, an extruder for melt-blown non-woven fabric preparation, which comprises a frame 1, a feed hopper 2 is arranged above the frame 1, a screw rod 3 is connected to the lower end of the feed hopper 2, a propeller 31 is arranged around the screw rod 3, a charging barrel 4 is arranged on the outer side of the screw rod 3, a connecting barrel 5 is arranged on the outer side of the charging barrel 4, the central axis of the connecting barrel 5 coincides with the central axis of the screw rod 3, a rotating device 6 is sleeved on the connecting barrel 5, a plurality of through holes 51 are arranged on the inner wall of the connecting barrel 5, the through holes 51 penetrate through the inner side wall and the outer side wall of the connecting barrel 5, a protective cover 7 is arranged on the outer side of the connecting barrel 5, the protective cover 7 is positioned between the adjacent rotating devices 6, a plurality of heating plates 71 are arranged on the inner wall of the protective cover 7, an air inlet pipe 72, a temperature sensor 73 and an air outlet pipe 74 are arranged on the outer side of the protective cover 7.
As shown in fig. 1 and 3, the rotating device 6 includes a first motor 61, a rotating shaft 62, a first bevel gear 63, and a second bevel gear 64, the first motor 61 is connected to the rotating shaft 62, the rotating shaft 62 is sleeved on the first bevel gear 63, the first bevel gear 63 is connected to the second bevel gear 64, and the second bevel gear 64 is connected to the connecting cylinder 5.
As shown in fig. 1 and 2, the through holes 51 are uniformly distributed on the inner wall of the connecting cylinder 5, the through holes 51 are arc-shaped, and the through holes 51 are matched with the heating plate 71.
As shown in fig. 1, the screw rod 3 is connected with a second motor 31, a connecting sleeve 8 is arranged between the second motor 31 and the connecting cylinder 5, the connecting sleeve 8 is strip-shaped, one end of the connecting sleeve 8 is fixedly connected with the second motor 31, the other end of the connecting sleeve 8 is rotatably connected with the connecting cylinder 5, and the central axis of the connecting sleeve 8 coincides with the central axis of the screw rod 3. The connecting sleeve 8 is internally provided with a baffle 81, the baffle 81 is rotatably connected with the screw rod 3, and the baffle 81 is positioned in front of the lower end of the feed hopper 2. The propeller 31 is waved outside the screw rod 3, and the propeller 31 is positioned behind the baffle 81.
The working process is as follows: the material to be melt extruded is conveyed to the screw rod 3 through the feed hopper 2, the material is conveyed to the next process under the mutual matching action of the rotation of the screw rod 3, the propeller 31 and the baffle plate 81, when the temperature in the charging barrel 4 is lower than the set value of the extruder, the temperature sensor 73 senses the temperature change, the heating plate 71 heats, the rotating device 6 is started, the connecting barrel 5 rotates under the action of the first bevel gear 63 and the second bevel gear 64 in the rotating device 6, the through hole 51 in the connecting barrel 5 uniformly conveys hot gas in the protective cover 7 to the outer side wall of the charging barrel 4, and the charging barrel 4 is insulated to reach the set value. When the temperature in the feed cylinder 4 is higher than the setting value of extruder, let in cold air in to the safety cover 7 through the air-supply line 72, the cold air after the heat transfer is gone out from air-out pipe 74 and is collected, under the rotation effect of connecting cylinder 5, the lateral wall of feed cylinder 4 is carried to the cold air in the safety cover 7 is even, thereby cool down feed cylinder 4, the feed cylinder 4 temperature of whole in-process extruder can not appear the temperature and cross low and too high phenomenon, the temperature of feed cylinder 4 is easily controlled, thereby the product that makes to come out from the extruder meets the requirements.
Claims (6)
1. An extruder for preparing melt-blown non-woven fabrics is characterized in that: comprises a frame (1), a feed hopper (2) is arranged above the frame (1), the lower end of the feed hopper (2) is connected with a screw rod (3), propellers (31) are arranged around the screw rod (3), a feed cylinder (4) is arranged on the outer side of the screw rod (3), a connecting cylinder (5) is arranged on the outer side of the feed cylinder (4), the central axis of the feed cylinder (4) and the central axis of the screw rod (3) are superposed, a rotating device (6) is sleeved on the connecting cylinder (5), a plurality of through holes (51) are arranged on the inner wall of the connecting cylinder (5), the through holes (51) run through the inner side wall and the outer side wall of the connecting cylinder (5), a protective cover (7) is arranged on the outer side of the connecting cylinder (5), the protective cover (7) is positioned between adjacent rotating devices (6), a plurality of heating plates (71) are arranged on the inner wall of the protective cover (7), an air inlet pipe (72) is arranged on the outer side of the protective cover (7), a temperature sensor (73) and an air outlet pipe (74).
2. The extruder of claim 1, wherein: rotating device (6) include first motor (61), pivot (62), first bevel gear (63), second bevel gear (64), pivot (62) are connected in first motor (61), first bevel gear (63) are cup jointed in pivot (62), first bevel gear (63) and second bevel gear (64) are connected, connecting cylinder (5) is connected in second bevel gear (64).
3. The extruder of claim 2, wherein: through-hole (51) are at the inner wall evenly distributed of connecting cylinder (5), through-hole (51) are the arc, through-hole (51) and hot plate (71) phase-match.
4. The extruder of claim 1, wherein: the utility model discloses a novel connecting device, including connecting sleeve (8), screw rod (3), adapter sleeve (8), connecting sleeve (8), adapter sleeve (8) and connecting cylinder (5), the one end of adapter sleeve (8) and second motor (31) fixed connection, the other end and the connecting cylinder (5) of adapter sleeve (8) rotate and are connected, the axis of adapter sleeve (8) and the axis coincidence of screw rod (3).
5. The extruder of claim 4, wherein: the connecting sleeve (8) is internally provided with a baffle (81), the baffle (81) is rotatably connected with the screw rod (3), and the baffle (81) is positioned in front of the lower end of the feed hopper (2).
6. The extruder of claim 5, wherein: the propeller (31) is wavy on the outer side of the screw rod (3), and the propeller (31) is located behind the baffle (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120641396.3U CN215628444U (en) | 2021-03-30 | 2021-03-30 | Extruder for preparing melt-blown non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120641396.3U CN215628444U (en) | 2021-03-30 | 2021-03-30 | Extruder for preparing melt-blown non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215628444U true CN215628444U (en) | 2022-01-25 |
Family
ID=79913956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120641396.3U Active CN215628444U (en) | 2021-03-30 | 2021-03-30 | Extruder for preparing melt-blown non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215628444U (en) |
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2021
- 2021-03-30 CN CN202120641396.3U patent/CN215628444U/en active Active
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