CN210705957U - Anti-blocking double-screw extruder - Google Patents

Abstract

The utility model discloses a prevent twin-screw extruder of jam, the on-line screen storage device comprises a base, the upper end fixed surface of base installs the fixing base, one side fixed surface of fixing base installs the barrel, the one end fixed surface of barrel installs the perforated plate, the barrel comprises inner tube and urceolus, the inner tube is located in the middle of the inside of urceolus, be formed with the intermediate layer between inner tube and the urceolus, the inner wall of urceolus covers there is the heat preservation, the surface parcel of inner tube has the cartridge heater, the inside fixed mounting of cartridge heater has the electrothermal tube, the utility model discloses the beneficial effect who reaches is: through setting up the cartridge heater between the intermediate layer of inner tube and urceolus, can avoid heat transfer to the barrel surface when heating the barrel to avoid the incident, the stirring structure that sets up simultaneously on the feeder hopper can avoid plastics raw materials to block up in the feeder hopper, improves the result of use of extruder.

Description

Anti-blocking double-screw extruder

Technical Field

The utility model relates to an extruder, in particular to prevent double screw extruder of jam belongs to plastic pellet processing technology field.

Background

The plastic particles are produced by plastic extrusion equipment, wherein a plastic extruder is generally called a main machine, a plastic extrusion molding machine matched with the main machine is called an auxiliary machine, and a double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like, so that the plastic particles are widely applied to the molding processing of extruded products at present. However, the existing double-screw extruder has certain defects in use, heat of a machine barrel of the extruder can be transferred to the surface of the machine barrel when the machine barrel is heated, safety accidents are easy to happen due to overhigh surface temperature of the machine barrel, the safety is not high, and a feed hopper of the extruder is easy to block during feeding, so that certain influence is brought to the use process.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, the security performance is low when current double screw extruder uses, and the problem that the extruder took place the jam easily when the pay-off provides a double screw extruder who prevents blockking up.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a double-screw extruder preventing blockage, which comprises a base, wherein a fixed seat is fixedly arranged on the outer surface of the upper end of the base, a machine barrel is fixedly arranged on the outer surface of one side of the fixed seat, a perforated plate is fixedly arranged on the outer surface of one end of the machine barrel, the machine barrel consists of an inner barrel and an outer barrel, the inner barrel is positioned in the middle of the inner part of the outer barrel, an interlayer is formed between the inner barrel and the outer barrel, a heat preservation layer covers the inner wall of the outer barrel, a heating barrel is wrapped on the outer surface of the inner barrel, an electrothermal tube is fixedly arranged in the heating barrel, a joint is fixedly arranged on one side of the upper end of the heating barrel, a screw rod is movably arranged in the middle of the inner part of the machine barrel, the utility model discloses a motor, including base, first motor and gearbox, the winding is connected with the drive belt between first motor and the gearbox, the outer fixed surface in upper end of fixing base installs the feeding cylinder, the outer fixed surface in upper end of feeding cylinder installs the feeder hopper, fixed mounting has the second motor in the middle of the upper end of feeder hopper, the lower extreme of second motor is located the fixedly connected with (mixing) shaft of the inside of feeder hopper, the outer fixed surface of (mixing) shaft is connected with the stirring leaf, the upper end of feeder hopper is located the fixedly connected with of one side of second motor and is installed the feed inlet, the outer fixed surface in one end of feeding cylinder installs the third motor, the one end of third motor is located the fixedly connected with of the inside of.

As a preferred technical scheme of the utility model, the screw rod is two sets of, two sets of with drive gear's quantity drive gear is fixed mounting respectively in the rear end of two sets of screw rods, and is two sets of drive gear's diameter is different, one side fixedly connected with transmission shaft of gearbox, the outer fixed surface of transmission shaft are connected with power gear, and power gear's quantity is two sets of, and two sets of power gear's diameter is different, drive gear is connected with power gear engagement.

As the utility model discloses a preferred technical scheme, the feed delivery section of thick bamboo is L type structure, the lower extreme and the barrel fixed connection of feed delivery section of thick bamboo.

As an optimal technical scheme of the utility model, the fixed surface of carrying the axle installs helical blade, carry the axle through third motor and conveying cylinder swing joint.

As an optimized technical scheme of the utility model, the input of first motor, second motor, third motor and electrothermal tube all with external power source's output electric connection.

As an optimal technical scheme of the utility model, the material of heat preservation is the rock wool, the quantity of stirring leaf is a plurality of groups.

The utility model discloses the beneficial effect who reaches is: through setting up the cartridge heater between the intermediate layer of inner tube and urceolus, can avoid heat transfer to the barrel surface when heating the barrel to avoid the incident, the stirring structure that sets up simultaneously on the feeder hopper can avoid plastics raw materials to block up in the feeder hopper, improves the result of use of extruder.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the barrel of the present invention;

fig. 3 is a schematic structural view of the feeding cylinder and the feeding hopper of the present invention.

In the figure: 1. a base; 2. a fixed seat; 3. a barrel; 4. a perforated plate; 5. an inner barrel; 6. an outer cylinder; 7. a heat-insulating layer; 8. a heating cylinder; 9. an electric heating tube; 10. a joint; 11. a screw; 12. a transmission gear; 13. a gearbox; 14. a first motor; 15. a transmission belt; 16. a delivery cylinder; 17. a feed hopper; 18. a second motor; 19. a stirring shaft; 20. stirring blades; 21. a feed inlet; 22. a third motor; 23. a delivery shaft.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides a prevent twin-screw extruder of jam, including base 1, the fixed mounting 2 of upper end surface of base 1 is installed, the fixed mounting of one side surface of fixed mounting 2 installs barrel 3, the fixed mounting of one end surface of barrel 3 installs perforated plate 4, barrel 3 comprises inner tube 5 and urceolus 6, inner tube 5 is located the inside centre of urceolus 6, form the intermediate layer between inner tube 5 and the urceolus 6, the inner wall of urceolus 6 covers and is covered with heat preservation 7, the surface parcel of inner tube 5 has heating cylinder 8, the inside fixed mounting of heating cylinder 8 has electrothermal tube 9, the fixed mounting of upper end one side of heating cylinder 8 has joint 10, the movable mounting of the inside centre of barrel 3 has screw rod 11, the fixed connection in the position of the inside of fixed mounting 2 of one end of screw rod 11 has drive gear 12, the fixed mounting in the, base 1's inside fixed mounting has first motor 14, the winding is connected with drive belt 15 between first motor 14 and the gearbox 13, the upper end fixed surface of fixing base 2 installs feed delivery cylinder 16, the upper end fixed surface of feed delivery cylinder 16 installs feeder hopper 17, fixed mounting has second motor 18 in the middle of the upper end of feeder hopper 17, the lower extreme of second motor 18 is located the fixed position of the inside of feeder hopper 17 and is connected with (mixing) shaft 19, the fixed surface of (mixing) shaft 19 is connected with stirring leaf 20, the fixed position that the upper end of feeder hopper 17 is located one side of second motor 18 has feed inlet 21, the one end fixed surface of feed delivery cylinder 16 installs third motor 22, the one end of third motor 22 is located the fixed position of the inside of feed delivery cylinder 16 and is connected with transport shaft 23.

The number of the screw rods 11 and the transmission gears 12 is two, the two groups of the transmission gears 12 are respectively and fixedly installed at the rear ends of the two groups of the screw rods 11, the diameters of the two groups of the transmission gears 12 are different, one side of the gearbox 13 is fixedly connected with a transmission shaft, the outer surface of the transmission shaft is fixedly connected with power gears, the number of the power gears is two, the diameters of the two groups of the power gears are different, the transmission gears 12 are meshed with the power gears and are connected, the material conveying cylinder 16 is of an L-shaped structure, the lower end of the material conveying cylinder 16 is fixedly connected with the machine barrel 3, the outer surface of the conveying shaft 23 is fixedly provided with spiral blades, the conveying shaft 23 is movably connected with the material conveying cylinder 16 through a third motor 22, the input ends of the first motor 14, the second motor 18, the third motor 22 and the electric heating pipe.

Specifically, when the utility model is used, the device is placed stably through the base 1, then plastic raw materials are poured into the feed hopper 17 through the feed inlet 21, the raw materials in the feed hopper 17 flow into the feed delivery cylinder 16, the third motor 22 drives the conveying shaft 23 in the feed delivery cylinder 16 to rotate, the helical blades on the conveying shaft 23 convey the raw materials into the machine barrel 3, the second motor 18 drives the stirring blades 20 on the stirring shaft 19 to rotate in the conveying process of the feed delivery cylinder 16, so that the raw materials in the feed hopper 17 are prevented from being coagulated and blocked, after the raw materials enter the machine barrel 3, the electric heating tube 9 in the heating cylinder 8 heats the inner barrel 5, the plastic raw materials are placed for coagulation and solidification, the heat preservation layer 7 between the inner barrel 5 and the outer barrel 6 can prevent the heat from being transferred to the outer surface of the machine barrel 3 to cause overhigh temperature, the first motor 14 in the fixing base 2 drives the shaft rotating, after the speed of the gear box 13 is changed, two groups of screws 11 in the machine barrel 3 are driven to rotate through a transmission gear 12, the screws 11 convey the plastic raw material to the front end of the machine barrel 3, and then the plastic raw material is extruded through the porous plate 4 to form granular plastic.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a prevent twin-screw extruder of jam, includes base (1), its characterized in that, the upper end surface fixed mounting of base (1) has fixing base (2), one side surface fixed mounting of fixing base (2) has barrel (3), the one end surface fixed mounting of barrel (3) has porous plate (4), barrel (3) comprises inner tube (5) and urceolus (6), inner tube (5) are located the inside of urceolus (6) in the middle of, be formed with the intermediate layer between inner tube (5) and urceolus (6), the inner wall of urceolus (6) covers there is heat preservation (7), the surface parcel of inner tube (5) has heating cylinder (8), the inside fixed mounting of heating cylinder (8) has electrothermal tube (9), upper end one side fixed mounting of heating cylinder (8) has joint (10), movable mounting has screw rod (11) in the middle of the inside of barrel (3), the position fixedly connected with drive gear (12) of the inside that the one end of screw rod (11) is located fixing base (2), the position fixed mounting that the inside of fixing base (2) is located the rear of drive gear (12) has gearbox (13), the inside fixed mounting of base (1) has first motor (14), the winding is connected with drive belt (15) between first motor (14) and gearbox (13), the upper end surface fixed mounting of fixing base (2) has defeated feed cylinder (16), the upper end surface fixed mounting of defeated feed cylinder (16) has feeder hopper (17), fixed mounting has second motor (18) in the middle of the upper end of feeder hopper (17), the position fixedly connected with (mixing) shaft (19) of the lower extreme of second motor (18) is located the inside of feeder hopper (17), the surface fixed connection of (mixing) leaf (20), the feed hopper is characterized in that a feed inlet (21) is fixedly arranged at the position, located on one side of a second motor (18), of the upper end of the feed hopper (17), a third motor (22) is fixedly arranged on the outer surface of one end of the feed delivery cylinder (16), and one end of the third motor (22) is located inside the feed delivery cylinder (16) and fixedly connected with a delivery shaft (23).

2. The twin-screw extruder of claim 1, wherein the number of the screws (11) and the transmission gears (12) is two, the two transmission gears (12) are respectively and fixedly installed at the rear ends of the two screws (11), the diameters of the two transmission gears (12) are different, one side of the gearbox (13) is fixedly connected with a transmission shaft, the outer surface of the transmission shaft is fixedly connected with two power gears, the diameters of the two power gears are different, and the transmission gears (12) are meshed with the power gears.

3. The twin-screw extruder of claim 1, characterised in that the feed delivery cylinder (16) is of an L-shaped configuration, the lower end of the feed delivery cylinder (16) being fixedly connected to the barrel (3).

4. The twin-screw extruder of claim 1, characterised in that the conveying shaft (23) is fixedly provided with helical blades on its outer surface, and the conveying shaft (23) is movably connected to the feed delivery cylinder (16) by a third motor (22).

5. The twin-screw extruder of claim 1, characterised in that the input terminals of the first motor (14), the second motor (18), the third motor (22) and the electrothermal tube (9) are electrically connected to the output terminal of an external power source.

6. The twin-screw extruder of claim 1, characterised in that the insulating layer (7) is made of rock wool and the number of mixing blades (20) is in groups.

Images