CN111331810A

CN111331810A - Energy-saving environment-friendly screw extruder

Info

Publication number: CN111331810A
Application number: CN202010170259.6A
Authority: CN
Inventors: 葛飞; 葛乾顺
Original assignee: Nanjing Shengchi Rubber And Plastic Machinery Manufacturing Co ltd
Current assignee: Nanjing Shengchi Rubber And Plastic Machinery Manufacturing Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-06-26
Anticipated expiration: 2040-03-12
Also published as: CN111331810B

Abstract

The invention discloses an energy-saving and environment-friendly screw extruder, which relates to an extruder and aims to solve the technical problems that the extruder in the prior art is easy to block and waste materials; when the material is put into, pour the material into the hopper, the material falls on accepting the board, and power component drive accepts the board and rotates to the speed of control material entering extruder body, thereby the material can get into the extruder body smoothly, can reduce with this that the material is whole to be piled up in the hopper bottom and lead to there being remaining material, is favorable to reducing extravagant material, and is energy-concerving and environment-protective.

Description

Energy-saving environment-friendly screw extruder

Technical Field

The invention relates to an extruder, in particular to an energy-saving and environment-friendly screw extruder.

Background

Most plastic polymers have the advantages of light weight, stable chemical properties, no corrosion, impact resistance, good transparency, wear resistance and the like, so that the polymer processing industry develops rapidly, a double-screw extruder which is one of main polymer processing devices develops rapidly, and the polymer is widely applied due to excellent processing properties; the screw extruder is characterized in that materials can be fully plasticized and uniformly mixed by means of pressure and shearing force generated by rotation of a screw, 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.

The Chinese patent with the publication number of CN203919629U discloses a ten-screw planetary extruder, which belongs to the field of plastic machinery and comprises a base, a motor, a reduction gearbox, a feeding hole, a hopper, a main screw, a machine barrel a, a machine barrel b, a die head, a planetary screw and a support frame, wherein the motor and the reduction gearbox are arranged on the base, and a rotating shaft of the motor is connected with the reduction gearbox; the machine barrel a is arranged on the reduction gearbox body through a flange, a feed inlet is formed in the machine barrel a, a hopper is arranged on the feed inlet, the machine barrel b and the machine barrel a are connected and arranged together through threads, a spiral groove is formed in the inner wall of the machine barrel b, and a die head is arranged at the tail of the machine barrel b; the main screw is arranged in the machine barrel a and the machine barrel b, the handle part of the main screw is connected with the reduction gearbox, the thread section of the rear half main screw is in an involute tooth form, and the spiral is a multi-head thread; the planetary screws are provided with nine planetary screws, the thread sections of the planetary screws are in involute tooth forms, the spiral threads are multi-head threads, the planetary screws are uniformly distributed between the main screw and the machine barrel b, and the planetary screws are meshed with the machine barrel b and the main screw simultaneously.

When using the extruder among the prior art, with the material add the hopper in, the material gets into the barrel from the hopper again, but in the in-service use, when adding the material, can add multiple material simultaneously usually, when the material gets into the barrel from the feed inlet, the material is easy to be taken place to block up at the feed inlet, leads to leaving remaining residual material in the hopper, extravagant material, awaits improving.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an energy-saving and environment-friendly screw extruder which has the advantages of reducing material waste, saving energy and protecting environment.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an energy-concerving and environment-protective screw extruder, includes the extruder body and sets up the hopper on the extruder body, the hopper internal rotation is equipped with two at least boards of accepting that are used for carrying the material, accept the feed inlet below that the board is located the hopper, accept to leave the pay-off space that supplies the material to carry between the inside wall of board and hopper, adjacent it sets up from top to bottom to accept the board, and is adjacent pay-off space staggers the setting, be equipped with on the hopper and be used for the drive to accept board pivoted power component.

Through adopting above-mentioned technical scheme, when the material is put into to needs, pour the material into the hopper, the material falls on accepting the board, the board rotation is accepted in the drive of power pack, thereby the material glides along the pay-off space, and then get into the extruder body in, accept the board rotation through the control of power pack, thereby the speed that the control material got into the extruder body, thereby the material can get into the extruder body smoothly, with this can reduce that the material is whole to pile up in the hopper bottom and lead to there being remaining material, be favorable to reducing extravagant material, improve the utilization ratio of material, also can reduce the work burden that the workman cleared up the material manually, and the work efficiency is improved.

Further, power component is including setting up the rotation motor on the hopper lateral wall, setting up the axis of rotation on the motor shaft lateral wall that rotates the motor, the one end that the axis of rotation kept away from the rotation motor stretches into in the hopper and rotates with the hopper and be connected, the one end that the axis of rotation stretched into the hopper with accept the board and be connected.

By adopting the technical scheme, when a worker puts materials into the hopper, the materials fall on the bearing plates, the rotating motor drives the rotating shaft to rotate so as to drive the bearing plates to rotate, the materials slide downwards along the bearing plates and then fall into the extruder body, the materials are borne by the bearing plates, the traveling time of the materials in the hopper can be prolonged, the materials accumulated at the bottom of the hopper enter the extruder body and then fall, and the possibility of material accumulation can be reduced; the rotating angle of the bearing plate can be controlled according to the amount of the materials, if more materials are contained, the rotating angle of the bearing plate is controlled to be smaller, the materials fall slowly, and the possibility of material accumulation is reduced; if the material is less, the rotating angle of the bearing plate can be increased, so that the falling speed of the material can be increased, and the production efficiency is improved.

Furthermore, a notch is formed in one side, close to the feeding space, of the bearing plate, a plurality of installation springs are arranged on the bottom wall of the notch, a plurality of vibration plates are connected to one ends, far away from the bottom wall of the notch, of the installation springs, vibration motors are arranged on one sides, close to the installation springs, of the vibration plates, and elastic sealing plates are reserved between the side walls of the vibration plates and the notches.

By adopting the technical scheme, the vibrating plate is driven to vibrate by the vibrating motor, the material on the plate is received so as to slide down smoothly, the material remained on the vibrating plate is reduced, and the utilization rate of the material is improved; through the sealed vibration board of elastic sealing plate and breach, reduce the material and fall into in the breach to improve the utilization ratio of material.

Furthermore, a hydraulic support rod is rotatably arranged on the bottom wall of the bearing plate, and one end, far away from the bearing plate, of the hydraulic support rod is rotatably connected with the inner side wall of the hopper.

Through adopting above-mentioned technical scheme, utilize the hydraulic support pole, increase the support stability to accepting the board.

Furthermore, a plurality of conveying plates are uniformly distributed on the inner side wall of the hopper along the circumferential direction of the inner side wall, the conveying plates are arranged along the height direction of the hopper, a plurality of connecting springs are uniformly distributed between the conveying plates and the inner side wall of the hopper, the conveying plates are positioned below the feeding space, and a plurality of through holes are formed in the side wall of the hopper; the improved structure of the hopper is characterized in that a support is arranged on the outer side wall of the hopper, a striking motor is arranged on the support, an output shaft is arranged on the side wall of a motor shaft of the striking motor, a cam is arranged on the side wall of the output shaft, a connecting rod is connected with the support in a sliding mode, the side wall of the connecting rod is abutted to the cam, a striking rod extending into a through hole is arranged on the side wall of the connecting rod, and a telescopic spring is arranged between one side, away from the striking rod.

Through adopting above-mentioned technical scheme, falling from the pay-off space along accepting the board as the material, thereby the material falls on the lateral wall of delivery board, and the material is along the delivery board gliding again, and at this moment, rotate through hitting motor drive output shaft, thereby drive the cam and rotate, promote the connecting rod then and slide, hit the pole and stretch into the through-hole, hit the delivery board to this can increase the delivery board, reduces the possibility of staying on the delivery board lateral wall.

Furthermore, one end of the striking rod, which is far away from the connecting rod, is provided with a tip.

Through adopting above-mentioned technical scheme, utilize the pointed end, be convenient for hit the pole and stretch into in the through-hole.

Furthermore, one side of the hopper, which is close to the extruder body, is provided with two mutually meshed screw rods, the two screw rods extend out of the hopper and are respectively provided with a driving shaft and a driven shaft, the side walls of the driving shaft and the driven shaft are respectively provided with a driving wheel and a driven wheel, the driving wheel and the driven wheel are mutually meshed, and one end, which is far away from the screw rods, of the driving shaft is provided with a stirring motor.

Through adopting above-mentioned technical scheme, utilize agitator motor drive driving shaft, driven shaft, action wheel and follow driving wheel to rotate, and then drive two screw rod intermeshing to drive the material and stir in advance, be favorable to improving production efficiency.

Furthermore, an observation port is arranged on one side, close to the screw, of the side wall of the hopper, and an observation window is arranged on the side wall of the observation port.

Through adopting above-mentioned technical scheme, utilize the observation window to observe the material whereabouts condition, conveniently control and rotate motor drive and accept board pivoted angle, reduce the material and continuously fall and lead to the possibility that the material piles up.

In conclusion, the invention has the following beneficial effects:

1. the bearing plate is driven to rotate by the power motor, so that the falling speed of the materials is controlled, the possibility of the materials accumulating at the bottom of the hopper is reduced, the occurrence of residual materials is reduced, the utilization rate of the materials is improved, and the energy conservation and environmental protection are facilitated;

2. the vibrating plate is driven to vibrate by the vibrating motor, so that the possibility of material residue on the bearing plate can be reduced;

3. utilize and hit the motor and promote the cam and rotate to drive and hit the pole and stretch into the through-hole and hit the delivery board, thereby reduce the possibility that the material remains on the delivery board, improve the utilization ratio of material.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment.

Fig. 2 is a partial structure view showing a cross section along a-a in fig. 1.

FIG. 3 is a schematic illustration of the detonation of a striker rod in accordance with an embodiment.

In the figure: 1. an extruder body; 2. a hopper; 20. a conveying plate; 21. a connecting spring; 22. a through hole; 23. a support; 24. a striking motor; 25. an output shaft; 26. a cam; 27. a connecting rod; 28. a striking rod; 29. a tension spring; 200. a tip; 201. a housing; 202. a discharge port; 203. a screw; 204. a drive shaft; 205. a driven shaft; 206. a driving wheel; 207. a driven wheel; 208. a stirring motor; 209. a viewing port; 210. an observation window; 211. a cover plate; 212. a chute; 213. a slider; 3. a bearing plate; 4. a feeding space; 5. a power assembly; 50. rotating the motor; 52. a rotating shaft; 53. a notch; 54. installing a spring; 55. a vibrating plate; 56. a vibration motor; 57. an elastic sealing plate; 58. and a hydraulic support rod.

Detailed Description

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

Example (b):

referring to fig. 1, an energy-saving and environment-friendly screw extruder comprises an extruder body 1 and a hopper 2 arranged on the extruder body 1, wherein the cross section of the hopper 2 is rectangular, a cover plate 211 is hinged to the top wall of the hopper 2, and when production is stopped, the cover plate 211 is rotated to close the hopper 2 and prevent dust from falling into the hopper 2.

Referring to fig. 2, at least two receiving plates 3, preferably two receiving plates 3, for conveying materials are rotatably arranged in a hopper 2, the receiving plates 3 are located below a feed inlet of the hopper 2, a feeding space 4 for conveying materials is reserved between the receiving plates 3 and the inner side wall of the hopper 2, adjacent receiving plates 3 are arranged up and down, the adjacent feeding spaces 4 are arranged in a staggered manner, a hydraulic support rod 58 is rotatably arranged on the bottom wall of each receiving plate 3, one end, far away from the receiving plate 3, of each hydraulic support rod 58 is rotatably connected with the inner side wall of the hopper 2, and the mounting stability of the receiving plates 3 in the hopper 2 is improved; the hopper 2 is provided with a power assembly 5 for driving the bearing plate 3 to rotate.

Referring to fig. 1 and 2, an observation port 209 is arranged on the side wall of the hopper 2 and on one side close to the extruder body 1, and an observation window 210 is arranged on the side wall of the observation port 209, so that when production is needed, a worker pours a material into the hopper 2, the material falls on the receiving plate 3, the power assembly 5 drives the receiving plate 3 to rotate, and when the material is more, the receiving plate 3 is driven to rotate downwards by a smaller angle, and the material falls slowly, so that the possibility that the material is accumulated in the hopper 2 can be reduced, the waste of the material can be reduced, the utilization rate of the material can be improved, energy conservation and environmental protection can be realized, the work load of manually cleaning the material by the worker can be reduced, and the work; when the materials are less, the power assembly 5 drives the bearing plate 3 to rotate for a larger angle, so that the materials can be rapidly discharged, the discharging speed is increased, and the production efficiency is improved; when the material falls to hopper 2 bottom, the workman observes unloading speed through observation window 210, when the material is piled up to some extent, in time adjusts the angle of accepting board 3 through power component 5, reduces the blanking to this can reduce the material and take place the possibility of piling up.

Referring to fig. 2, the power assembly 5 includes a rotating motor 50 disposed on the outer side wall of the hopper 2, a rotating shaft 52 is coaxially disposed on a motor shaft of the rotating motor 50, one end of the rotating shaft 52 far away from the rotating motor 50 extends into the hopper 2, the rotating shaft 52 is rotatably connected with the hopper 2, and one end of the rotating shaft 52 extending into the hopper 2 is rotatably connected with the receiving plate 3.

Referring to fig. 2, a notch 53 is formed in one side of the bearing plate 3 close to the feeding space 4, the opening of the notch 53 faces the feeding hole of the feeding hopper 2, a plurality of mounting springs 54 are arranged on the bottom wall of the notch 53, one ends of the mounting springs 54 far away from the bottom wall of the notch 53 are connected with a vibration plate 55 together, a vibration motor 56 is arranged on one side of the vibration plate 55 far away from the feeding hopper 2, an elastic sealing plate 57 is directly reserved on the side walls of the vibration plate 55 and the notch 53, and the elastic sealing plate 57 is preferably a high; when the material falls on the bearing plate 3, the rotating motor 50 drives the rotating shaft 52 to rotate, so as to drive the bearing plate 3 to rotate, the material can smoothly slide downwards, the vibrating plate 55 is driven to vibrate by the vibrating motor 56, and the elastic sealing plate 57 stretches and contracts, so that the material residue on the vibrating plate 55 can be reduced, and the utilization rate of the material can be improved; the elastic sealing plate 57 seals the gap between the notch 53 and the vibrating plate 55, so that the possibility of the material falling in the notch 53 can be reduced, and the utilization rate of the material can be further improved.

Referring to fig. 2, a plurality of through holes 22 are formed in the side wall of the hopper 2, the plurality of through holes 22 are uniformly distributed along the circumferential direction of the hopper 2, a plurality of conveying plates 20, preferably four conveying plates 20 are uniformly distributed along the circumferential direction of the inner side wall of the hopper 2, a plurality of connecting springs 21 are uniformly distributed between the conveying plates 20 and the inner side wall of the hopper 2, and the conveying plates 20 are located below the feeding space 4.

Referring to fig. 2, a support 23 is arranged on the outer side wall of the hopper 2, the support 23 is in a door shape, a sliding groove 212 is formed in the inner side wall, opposite to the inner side wall, of the support 23, a striking motor 24 is arranged on the support 23, an output shaft 25 is arranged on the side wall of a motor shaft of the striking motor 24, a cam 26 is arranged on the side wall of the output shaft 25, a connecting rod 27 is connected to the support 23 in a sliding mode, sliding blocks 213 sliding in the sliding groove 212 are arranged at two ends of the connecting rod 27, the side wall of the connecting rod 27 is abutted to the cam 26, a striking rod 28 extending into the through hole 22 is arranged on the side wall of.

Referring to fig. 2 and 3, the end of the striking rod 28 away from the connecting rod 27 is provided with a tip 200, through which the striking rod 28 is conveniently extended into the through hole 22; when the material from accepting board 3 landing, the material glides down along delivery board 20, starts to hit and hits hitting motor 24, hits hitting motor 24 and drives output shaft 25 and cam 26 and rotate to promote connecting rod 27 and slide on support 23, and then promote to hit and strike pole 28 and strike delivery board 20, thereby the material is smooth to the landing downwards, reduces the material and remains the possibility on hopper 2 inside wall, is favorable to improving the utilization ratio of material.

Referring to fig. 2 and 3, a casing 201 is arranged on one side of the hopper 2 close to the extruder body 1 (refer to fig. 1), a discharge port 202 communicated with the extruder body 1 is arranged on the bottom wall of the casing 201, two mutually meshed screws 203 are arranged in the casing 201, both the screws 203 extend out of the hopper 2 and are respectively provided with a driving shaft 204 and a driven shaft 205, a driving wheel 206 and a driven wheel 207 are respectively arranged on the side walls of the driving shaft 204 and the driven shaft 205, the driving wheel 206 and the driven wheel 207 are mutually meshed, and a stirring motor 208 is arranged at one end of the driving shaft 204 far away from the screws; when the material falls on hopper 2 bottom, on falling on screw rod 203, agitator motor 208 drive driving shaft 204 rotates to drive action wheel 206 and follow the rotation of driving wheel 207, drive driven shaft 205 then and rotate, can drive two screw rods 203 with this and rotate, and then can stir the material in advance, promote the material and carry forward simultaneously, get rid of from discharge gate 202 at last, with this can improve production efficiency.

The implementation principle of the above embodiment is as follows: when in production, put into hopper 2 with the material, utilize power component 5 drive to accept board 3 pivoted angle to the speed of control material whereabouts reduces the material and piles up the possibility in hopper 2 bottoms, reduces and takes place residual material, improves material utilization ratio, is favorable to energy-concerving and environment-protective.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an energy-concerving and environment-protective screw extruder which characterized in that: including extruder body (1) and hopper (2) of setting on extruder body (1), hopper (2) internal rotation is equipped with two at least accepting board (3) that are used for carrying the material, accept the feed inlet below that board (3) are located hopper (2), leave pay-off space (4) that supply the material to carry between the inside wall of accepting board (3) and hopper (2), adjacent it sets up from top to bottom to accept board (3), and is adjacent pay-off space (4) stagger the setting, be equipped with on hopper (2) and be used for the drive to accept board (3) pivoted power component (5).

2. The energy-saving environment-friendly screw extruder according to claim 1, characterized in that: power component (5) including setting up rotation motor (50) on hopper (2) lateral wall, setting up axis of rotation (52) on the motor shaft lateral wall that rotates motor (50), the one end that rotation motor (50) were kept away from in axis of rotation (52) stretches into hopper (2) and rotates with hopper (2) and is connected, the one end that axis of rotation (52) stretched into hopper (2) is connected with accepting board (3).

3. The energy-saving environment-friendly screw extruder according to claim 2, characterized in that: one side of the bearing plate (3) close to the feeding space (4) is provided with a notch (53), the bottom wall of the notch (53) is provided with a plurality of mounting springs (54) and a plurality of mounting springs (54) far away from the bottom wall of the notch (53), one side of the vibration plate (55) close to the mounting springs (54) is provided with a vibration motor (56), and an elastic sealing plate (57) is reserved between the side walls of the vibration plate (55) and the notch (53).

4. The energy-saving environment-friendly screw extruder according to claim 3, characterized in that: the bottom wall of the bearing plate (3) is rotatably provided with a hydraulic support rod (58), and one end, far away from the bearing plate (3), of the hydraulic support rod (58) is rotatably connected with the inner side wall of the hopper (2).

5. The energy-saving environment-friendly screw extruder according to claim 3, characterized in that: a plurality of conveying plates (20) are uniformly distributed on the inner side wall of the hopper (2) along the circumferential direction of the hopper, the conveying plates (20) are arranged along the height direction of the hopper (2), a plurality of connecting springs (21) are uniformly distributed between the conveying plates (20) and the inner side wall of the hopper (2), the conveying plates (20) are positioned below the feeding space (4), and a plurality of through holes (22) are formed in the side wall of the hopper (2); be equipped with support (23) on the lateral wall of hopper (2), it hits hitting motor (24) to be equipped with on support (23), it is equipped with output shaft (25) on the motor shaft lateral wall of hitting motor (24), be equipped with cam (26) on the lateral wall of output shaft (25), it is connected with connecting rod (27) to slide on support (23), the lateral wall and cam (26) of connecting rod (27) are contradicted, be equipped with hitting pole (28) that stretch into through-hole (22) on the lateral wall of connecting rod (27), connecting rod (27) are kept away from and are equipped with expanding spring (29) between one side of hitting pole (28) and support (23).

6. The energy-saving environment-friendly screw extruder according to claim 5, characterized in that: and a tip (200) is arranged at one end of the striking rod (28) far away from the connecting rod (27).

7. The energy-saving environment-friendly screw extruder according to claim 1, characterized in that: one side that hopper (2) are close to extruder body (1) is equipped with two intermeshing's screw rod (203), two screw rod (203) all stretch out hopper (2) and are equipped with driving shaft (204) and driven shaft (205) respectively, be equipped with action wheel (206) and follow driving wheel (207) on the lateral wall of driving shaft (204) and driven shaft (205) respectively, action wheel (206) and follow driving wheel (207) intermeshing, the one end that screw rod (203) were kept away from in driving shaft (204) is equipped with agitator motor (208).

8. The energy-saving environment-friendly screw extruder as claimed in claim 1, wherein: and an observation port (209) is arranged on one side of the side wall of the hopper (2) close to the screw rod (203), and an observation window (210) is arranged on the side wall of the observation port (209).