CN209758304U - Feeding mechanism of extruder - Google Patents

Abstract

The utility model relates to a feeding mechanism of an extruder, which belongs to the technical field of plastic pipe production equipment, and comprises an extruder body, wherein a charging barrel is arranged on the extruder body, the feeding mechanism, a stirring device and a storage box are sequentially arranged, the feeding mechanism comprises a feeding hopper, a discharge hole is arranged at the bottom of the feeding hopper, the stirring device comprises a stirring box, a communicating pipe is obliquely arranged between the bottom of the stirring box and the storage box, a feeding switch is arranged on the communicating pipe, two ends of the communicating pipe are respectively communicated with the stirring box and the discharge box, a feed inlet is arranged on the top wall of the stirring box, a stirring mechanism is arranged in the stirring box, a discharge pipe is arranged on the bottom wall of the storage box, a discharge switch is arranged on the discharge pipe, a first spiral conveyor is arranged between the discharge hole of the feeding hopper and the feed inlet of the stirring box, a second spiral conveyor is arranged between the, the stirring mechanism can stir the raw materials and the auxiliary agents, manual stirring is not needed, and manpower is saved.

Description

Feeding mechanism of extruder

Technical Field

The utility model belongs to the technical field of plastics tubular product production facility technique and specifically relates to a feed mechanism of extruder is related to.

Background

Extruders belong to one of the classes of plastic machines, originating from the 18 th century. The extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw. The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

Chinese patent with publication number CN207669745U discloses a screw extruder, which comprises a base, a motor is arranged on the base, a screw rod is arranged on the upper portion of the motor in a protruding manner, a charging region, a temperature control region and an extrusion region are arranged outside the screw rod, a vertical feeder is arranged at an upper opening of the charging region, a main thread section and an auxiliary thread section are arranged at the front portion of the screw rod, a through groove mixing section and an exhaust section are arranged at the rear portion of the screw rod, the rear end of the through groove mixing section is connected with the front end of the exhaust section, and a vertical feeder is arranged at an upper opening of the charging. However, the method has the disadvantages that when the plastic pipe is produced, the production flow raw materials and the auxiliary agents are required to be prepared and mixed and then added into the vertical feeder, the existing mixing method adopts manual work to mix the raw materials in the stirring barrel, the mixed raw materials are added into the vertical feeder in a manual mode, and the manual mode is adopted, so that the automation degree is low, and the manpower is wasted.

SUMMERY OF THE UTILITY MODEL

the utility model aims at providing an automatic feed mechanism of extruder in raw materials and auxiliary agent and ability automatic transport to the extruder is mixed.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

A feeding mechanism of an extruder comprises a body of the extruder, wherein a feeding barrel is arranged on the body, the feeding mechanism, a stirring device and a storage box are sequentially arranged, the feeding device comprises a feeding hopper, a discharge hole is formed in the bottom of the feeding hopper, the stirring device comprises a stirring box, a communicating pipe is obliquely arranged between the bottom of the stirring box and the storage box, a feeding switch is arranged on the communicating pipe, two ends of the communicating pipe are respectively communicated with the stirring box and the discharge box, a feed inlet is formed in the top wall of the stirring box, a stirring mechanism is arranged in the stirring box, a discharge pipe is arranged on the bottom wall of the storage box, a discharge switch is arranged on the discharge pipe, a first spiral conveyor for conveying a mixture in the feeding hopper into the stirring box is arranged between the discharge hole of the feeding hopper and the feed inlet of the stirring box, and a second screw conveyor for conveying the mixture in the stirring box to the charging barrel is arranged between the discharging pipe of the material storage box and the charging barrel of the machine body.

Through adopting above-mentioned technical scheme, when needs are reinforced in to the charging barrel, at first add quantitative raw materials and auxiliary agent to the loading hopper in, carry the mixture to the agitator tank in through first screw conveyer, mix raw materials and auxiliary agent through rabbling mechanism, open the feeding switch after mixing finishes, make the mixture after mixing enter into to go out the workbin through communicating pipe and keep in, when needs use the mixture, through directly opening ejection of compact switch, make second screw conveyer carry the mixture to the charging barrel in can, need not the manual work and stir, the manpower has been saved and degree of automation when having improved the preparation of plastic conduit.

The utility model discloses further set up to: rabbling mechanism is including spaning and rotating a plurality of (mixing) shafts of connecting on the agitator tank, be provided with a plurality of stirring pieces, every along the length direction of (mixing) shaft on the (mixing) shaft stirring piece all includes along a plurality of stirring vane of circumference setting at the epaxial side of stirring, be provided with on the outer wall of agitator tank and be used for driving a plurality of (mixing) shafts pivoted driving piece simultaneously.

Through adopting above-mentioned technical scheme, when needs stir raw materials and auxiliary agent in the agitator tank, drive a plurality of (mixing) shafts through the driving piece and rotate simultaneously for the (mixing) shaft drives stirring vane and stirs raw materials and auxiliary agent in the agitator tank, need not the manual work and stirs, adopts a plurality of (mixing) shafts of driving piece simultaneous drive to rotate mode simultaneously, has improved the (mixing) shaft and has driven the stirring effect of stirring vane to the mixing material in the agitator tank, and has saved the use of part cost.

The utility model discloses further set up to: the driving piece establishes and fixed connection including the cover at the rotating gear of every (mixing) shaft outside the agitator tank tip, it is connected with the axis of rotation to rotate on the agitator tank, and is a plurality of the (mixing) shaft is along the circumference position evenly distributed of axis of rotation, the cover is established and is rotated in the axis of rotation and is connected with drive gear, and is a plurality of rotating gear sets up with drive gear meshing along drive gear's circumference position, the fixed motor that is used for driving drive gear pivoted that is provided with on the outer wall of agitator tank.

Through adopting above-mentioned technical scheme, when a plurality of (mixing) shafts of needs drive rotate simultaneously, rotate through the motor drive axis of rotation, make the axis of rotation drive gear rotate, because of a plurality of rotating gear are located drive gear's circumferential position and drive gear meshing, make rotating gear drive every (mixing) shaft and rotate, thereby a plurality of (mixing) shafts of simultaneous drive rotate simultaneously, adopt drive gear and rotating gear meshed's mode, make a plurality of (mixing) shafts rotate in step, and stability when rotating is better, indirectly improved the stirring effect that the (mixing) shaft drove stirring vane to the mixture.

The utility model discloses further set up to: and a protection box used for covering the driving gear and the plurality of rotating gears is arranged on the outer wall of the stirring box at the positions where the driving gear and the plurality of rotating gears are located.

Through adopting above-mentioned technical scheme, the setting up of guard box can play the effect of protection to drive gear and rotating gear, prevents that drive gear and rotating gear from rustting to drive gear and stirring gear's life has been improved.

The utility model discloses further set up to: and a dust cover used for covering the feed inlet is arranged on the stirring box and at the position where the feed inlet is positioned, and an opening used for the output end of the first screw conveyor to penetrate is formed in the dust cover.

Through adopting above-mentioned technical scheme, stirring vane can produce great dust when stirring in the agitator tank, and the dust cover can prevent to a certain extent that the dust from flying upward, prevents that operating personnel from adsorbing to internal to prevent that operating personnel from receiving health damage.

The utility model discloses further set up to: the dust cover is provided with a plurality of atomizing nozzles along the circumferential direction of the opening, the stirring box is provided with a water storage tank, a water pump is arranged in the water storage tank, and the output end of the water pump is provided with a water supply pipe communicated to the atomizing nozzles.

Through adopting above-mentioned technical scheme, when the stirring vane in the agitator tank stirs the mixture, the accessible is opened the water pump and is made the water pump carry water to atomizer in, the atomizer is to opening spray form water to further reduced flying upward of dust, further prevented that operating personnel from adsorbing the dust, prevent that operating personnel is injured.

The utility model discloses further set up to: the feeding barrel is sealed with ash blocking cloth, and the output end of the second screw conveyor penetrates through the ash blocking cloth.

Through adopting above-mentioned technical scheme, when the mixture was carried to the charging bucket in, the ash blocking cloth can block flying upward of wind-dust to reduced the dust when carrying the mixture to the charging bucket and flown upward, further prevented that operating personnel from inhaling the dust and causing the harm to health.

The utility model discloses further set up to: the circumference edge of keeping off grey cloth is provided with a plurality of magnet pieces that are used for adsorbing to the outer wall of charging bucket, the charging bucket is whole to be set up to metal material and makes.

Through adopting above-mentioned technical scheme, through covering on the charging bucket with the ash blocking cloth, adsorb a plurality of magnet pieces to the outer wall of charging bucket on, prevent to keep off ash cloth and break away from when using between the charging bucket to the convenience is taken off ash blocking cloth on the charging bucket, thereby clears up the change to ash blocking cloth.

To sum up, the utility model discloses a beneficial technological effect does:

1. The raw materials and the auxiliary agents are conveyed into the charging hopper, the mixture is conveyed into the stirring box through the first spiral conveyor, the motor is turned on to drive the rotating shaft to rotate, the driving gear is meshed with the rotating gears, each rotating gear drives the stirring shaft to rotate, and therefore the stirring blades are enabled to mix the raw materials and the auxiliary agents in the stirring box;

2. The dust cover can reduce the raise dust when stirring in the agitator tank, keeps off grey cloth and can reduce the raise dust when carrying the mixture to the charging bucket in to prevent that operating personnel from inhaling to internal, thereby prevent that operating personnel from receiving health hazard.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

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

FIG. 3 is a schematic structural view of the stirring box of the present invention;

Fig. 4 is a schematic structural diagram of the stirring mechanism of the present invention;

FIG. 5 is a schematic view of the storage bin of the present invention;

Fig. 6 is a schematic structural view of the charging barrel of the present invention.

In the figure, 1, a machine body; 11. a charging barrel; 111. dust cloth; 112. a magnet block; 2. a hopper; 21. a discharge port; 3. a stirring box; 31. a communicating pipe; 32. a feed switch; 33. a feed inlet; 34. a stirring shaft; 341. a stirring blade; 342. a rotating gear; 35. a rotating shaft; 351. a drive gear; 36. a motor; 37. a protection box; 38. a dust cover; 381. an opening; 382. an atomizing spray head; 39. a water storage tank; 391. a water pump; 392. a water supply pipe; 4. a material storage box; 41. a discharge pipe; 42. a discharging switch; 5. a first screw conveyor; 6. a second screw conveyor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

referring to fig. 1, for the utility model discloses a feed mechanism of extruder, including the organism 1 of extruder, be provided with the storage bucket 11 on the organism 1, still including the feeding device, agitating unit and the storage case 4 that set gradually.

With reference to fig. 1 and 2, the feeding device comprises a feeding hopper 2, and a discharge hole 21 is arranged at the bottom of the feeding hopper 2.

referring to fig. 1 and 3, the stirring device includes a stirring tank 3, a communicating pipe 31 (see fig. 5) is obliquely arranged between the bottom of the stirring tank 3 and a storage tank 4, a feeding switch 32 is arranged on the communicating pipe 31, and in this embodiment, the feeding switch 32 is configured as a pneumatic butterfly valve; the two ends of the communicating pipe 31 are respectively communicated with the stirring tank 3 and the material storage tank 4, and a feeding hole 33 is formed in the top wall of the stirring tank 3.

As shown in fig. 1, in order to convey the raw material and the auxiliary agent poured into the hopper 2 into the agitating tank 3, a first screw conveyor 5 for conveying the mixture in the hopper 2 into the agitating tank 3 is provided between the discharge port 21 of the hopper 2 and the feed port 33 of the agitating tank 3.

With reference to fig. 1 and 3, in order to reduce the generation of dust when the material is transported to the feeding hole 33 of the stirring box 3, a dust cover 38 for covering the feeding hole 33 is disposed on the stirring box 3 at the position of the feeding hole 33, and an opening 381 for the output end of the first screw conveyor 5 to pass through is disposed on the dust cover 38.

As shown in fig. 3, in order to further reduce the dust raising and thus prevent the operator from being harmed by health, a plurality of atomizing nozzles 382 are arranged on the dust cover 38 along the circumferential direction of the opening 381, a water storage tank 39 is arranged on the stirring tank 3, a water pump 391 is arranged in the water storage tank 39, and a water supply pipe 392 communicated with the plurality of atomizing nozzles 382 is arranged on the output end of the water pump 391; the water is delivered into the atomizer 382 by the water pump 391, and the atomized water is sprayed to the opening 381 through the atomizer 382, so that the generation of the flying dust is further reduced.

With reference to fig. 3 and 4, in order to stir the raw material and the auxiliary agent transferred into the stirring tank 3, a stirring mechanism is provided in the stirring tank 3, the stirring mechanism includes a plurality of stirring shafts 34 crossing and rotatably connected to the stirring tank 3, a plurality of stirring members are provided on the stirring shafts 34 along the length direction of the stirring shafts 34, and each stirring member includes a plurality of stirring blades 341 circumferentially provided on the stirring shaft 34.

With reference to fig. 3 and 4, in order to simultaneously drive the plurality of stirring shafts 34 to simultaneously rotate, a rotating gear 342 is sleeved and fixedly connected to an end portion of each stirring shaft 34 outside the stirring box 3, a rotating shaft 35 is rotatably connected to the stirring box 3, the plurality of stirring shafts 34 are uniformly distributed along a circumferential position of the rotating shaft 35, a driving gear 351 is sleeved and rotatably connected to the rotating shaft 35, the plurality of rotating gears 342 are engaged with the driving gear 351 along the circumferential position of the driving gear 351, and a motor 36 for driving the driving gear 351 to rotate is fixedly arranged on an outer wall of the stirring box 3.

when a plurality of stirring shafts 34 need to be driven to rotate simultaneously, the motor 36 drives the rotating shaft 35 to rotate, so that the rotating shaft 35 drives the driving gear 351 to rotate, at the moment, the driving gear 351 is meshed with the plurality of rotating gears 342, the driving gear 351 drives the plurality of rotating gears 342 to rotate simultaneously, each rotating gear 342 drives the stirring shaft 34 to rotate, the stirring blades 341 driven by the stirring shafts 34 stir the raw materials and the auxiliary agents in the stirring box 3, manual stirring is not needed, and manpower is saved; when the stirring tank 3 finishes stirring the raw materials and the auxiliary agents, the feeding switch 32 on the communicating pipe 31 is opened, so that the stirred mixture enters the storage tank 4 through the communicating pipe 31.

Referring to fig. 3 and 4, in order to prevent the driving gear 351 and the rotating gears 342 from being exposed to the air and rusted, a protective case 37 for covering the driving gear 351 and the rotating gears 342 is provided on the outer wall of the agitation case 3 at positions where the driving gear 351 and the rotating gears 342 are located.

With reference to fig. 1 and 5, in order to convey the mixture in the storage tank 4 into the charging barrel 11, a discharge pipe 41 is disposed on the bottom wall of the storage tank 4, a discharge switch 42 is disposed on the discharge pipe 41, and in this embodiment, the discharge switch 42 is configured as a pneumatic butterfly valve; a second screw conveyor 6 for conveying the mixture in the stirring tank 3 to the charging barrel 11 is arranged between the discharge pipe 41 of the storage tank 4 and the charging barrel 11 of the machine body 1.

With reference to fig. 1 and 6, in order to reduce the dust generated by the mixture when the second screw conveyor 6 conveys the material into the charging bucket 11, a dust blocking cloth 111 is sealed on the charging bucket 11, and the output end of the second screw conveyor 6 is arranged to penetrate through the dust blocking cloth 111.

With reference to fig. 1 and 6, in order to detachably connect the ash blocking cloth 111 to the charging bucket 11, so as to conveniently replace and clean the charging bucket 11, a plurality of magnet blocks 112 for adsorbing to the outer wall of the charging bucket 11 are arranged at the circumferential edge of the ash blocking cloth 111, the charging bucket 11 is integrally made of a metal material, and in this embodiment, the charging bucket 11 is made of steel.

The implementation principle of the embodiment is as follows: when the raw materials and the auxiliary agents are required to be stirred and then conveyed into the charging barrel 11, firstly, quantitative raw materials and auxiliary agents are respectively poured into the charging hopper 2, the raw materials and the auxiliary agents are conveyed into the stirring box 3 through the first spiral conveyer 5, at the moment, water is conveyed into the atomizing spray head 382 through the water pump 391, the atomizing spray head 382 sprays water to the opening 381, the generation of raised dust is reduced, the motor 36 is started to drive the driving gear 351 to rotate, the rotating gears 342 rotate simultaneously, the stirring shaft 34 drives the stirring blades 341 to stir the raw materials and the auxiliary agents in the stirring box 3, after the stirring is finished, the stirred mixture enters the storage box 4 through the communicating pipe 31 to be temporarily stored, when the stirred mixture needs to be used, the mixture is conveyed into the charging barrel 11 through the second spiral conveyer 6 by opening the discharge switch 42 on the discharge pipe 41, the manual stirring is not needed, the manpower is saved, and the automation degree in the process of manufacturing the plastic pipeline is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a feed mechanism of extruder, includes organism (1) of extruder, be provided with on organism (1) and add storage bucket (11), its characterized in that: still including feeding device, agitating unit and storage case (4) that set gradually, feeding device includes loading hopper (2), the bottom of loading hopper (2) is provided with discharge gate (21), agitating unit includes agitator tank (3), slope is provided with communicating pipe (31) between the bottom of agitator tank (3) and storage case (4), be provided with feed switch (32) on communicating pipe (31), the both ends of communicating pipe (31) set up with agitator tank (3) and play workbin intercommunication respectively, be provided with feed inlet (33) on the roof of agitator tank (3), be provided with rabbling mechanism in agitator tank (3), be provided with discharging pipe (41) on the diapire of storage case (4), be provided with ejection of compact switch (42) on discharging pipe (41), be provided with between discharge gate (21) of loading hopper (2) and feed inlet (33) of agitator tank (3) and be used for carrying the mixture in loading hopper (2) to The mixing machine comprises a first spiral conveyor (5) in a stirring box (3), and a second spiral conveyor (6) used for conveying a mixture in the stirring box (3) into a charging bucket (11) is arranged between a discharging pipe (41) of a storage box (4) and the charging bucket (11) of a machine body (1).

2. The feeding mechanism of an extruder according to claim 1, wherein: rabbling mechanism is including crossing and rotating a plurality of (mixing) shaft (34) of connecting on agitator tank (3), be provided with a plurality of stirring pieces, every along the length direction of (mixing) shaft (34) on (mixing) shaft (34) stirring piece all includes along a plurality of stirring vane (341) of circumference setting on (mixing) shaft (34), be provided with on the outer wall of agitator tank (3) and be used for driving a plurality of (mixing) shaft (34) pivoted driving piece simultaneously.

3. The feeding mechanism of an extruder according to claim 2, wherein: the driving piece is established and fixed connection including the cover and is in rotating gear (342) of the tip of every (mixing) shaft (34) outside agitator tank (3), it is connected with axis of rotation (35) to rotate on agitator tank (3), and is a plurality of circumferential position evenly distributed of axis of rotation (35) is followed in (mixing) shaft (34), the cover is established and is rotated on axis of rotation (35) and is connected with drive gear (351), and is a plurality of circumferential position and drive gear (351) meshing setting along drive gear (351) are followed in rotating gear (342), the fixed motor (36) that is used for driving drive gear (351) pivoted that is provided with on the outer wall of agitator tank (3).

4. The feeding mechanism of an extruder according to claim 1, wherein: and a protective box (37) used for covering the driving gear (351) and the plurality of rotating gears (342) is arranged on the outer wall of the stirring box (3) at the positions of the driving gear (351) and the plurality of rotating gears (342).

5. The feeding mechanism of an extruder according to claim 1, wherein: the stirring box (3) is provided with a dust cover (38) used for covering the feeding hole (33) at the position where the feeding hole (33) is located, and an opening (381) used for allowing the output end of the first spiral conveyor (5) to penetrate is formed in the dust cover (38).

6. The feeding mechanism of an extruder according to claim 5, wherein: a plurality of atomizing nozzles (382) are arranged on the dustproof cover (38) along the circumferential direction of the opening (381), a water storage tank (39) is arranged on the stirring tank (3), a water pump (391) is arranged in the water storage tank (39), and a water supply pipe (392) communicated to the atomizing nozzles (382) is arranged at the output end of the water pump (391).

7. The feeding mechanism of an extruder according to claim 1, wherein: ash blocking cloth (111) is sealed on the feeding barrel (11), and the ash blocking cloth (111) is arranged in a penetrating mode at the output end of the second spiral conveyor (6).

8. The feeding mechanism of an extruder according to claim 7, wherein: the circumference edge of keeping off grey cloth (111) is provided with a plurality of magnet pieces (112) that are used for adsorbing to on the outer wall of charging bucket (11), charging bucket (11) whole sets up to metal material and makes.