CN215472995U

CN215472995U - Extruder for plastic processing with overheat protection function

Info

Publication number: CN215472995U
Application number: CN202121002084.4U
Authority: CN
Inventors: 路继群
Original assignee: Wenzhou Cole New Materials Co ltd
Current assignee: Wenzhou Cole New Materials Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-01-11
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses an extruder with an overheat protection function for plastic processing, which comprises a motor box, a screw rod, a machine body, a detection mechanism and a cooling mechanism, wherein a feeding device is fixedly arranged on the left side of the top of the machine body, and a water drainage pipe is fixedly connected on the right side of the front surface of a base. The utility model has the effect of overheating protection of the plastic extruder, in the working process of the screw, the temperature sensor can detect the temperature of the outer surface of the extruder body, when the temperature of the outer surface of the extruder body is overhigh, the temperature sensor can transmit an electric signal to the overheating protector, the overheating protector sends a signal to the motor box through the connecting pipe, the motor is stopped, the screw stops rotating, meanwhile, the overheating protector sends a signal to the cooling mechanism through the connecting pipe, when the pressurizing water pipe receives the signal of the connecting pipe I, the pressurizing pump is started to pump the water in the water tank out and spray the water out of the pressurizing water pipe to cool the outer surface of the extruder body, the water vapor generated in the cooling period can be discharged from the radiating net, and the cooled water can flow into the water discharge channel.

Description

Extruder for plastic processing with overheat protection function

Technical Field

The utility model relates to the technical field of plastic processing, in particular to an extruder with an overheat protection function for plastic processing.

Background

The extruder is one of the types of plastic machinery, originated from 18 th century, and the screw extruder depends on the pressure and shearing force generated by the rotation of the screw, so that the materials can be fully plasticized and uniformly mixed, and the plastic extruder can be basically classified into a double-screw extruder, a single-screw extruder, and rarely a multi-screw extruder and a non-screw extruder through the formation of a die.

The existing plastic extruder has the defects that the extruder body can generate a large amount of heat in the production process, the overheating protection function is not provided, and when the temperature is too high, the motor and the screw of the extruder are damaged, so that the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an extruder for plastic processing having an overheat protection function, which solves the problems of the background art mentioned above.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an extruder for plastics processing with overheat protection function, includes motor case, screw rod, fuselage, detection mechanism and cooling body, the screw rod rotates to be connected in the right side of motor case, the fuselage sets up in the outside of screw rod, detection mechanism fixed mounting is in the front middle part of fuselage, cooling body fixed mounting is on the front right side of fuselage.

Detection mechanism comprises detection case, overheat protector, temperature sensor, connecting pipe one and connecting pipe two, detection case fixed mounting is in the positive middle part of fuselage, overheat protector fixed mounting has the inside in the detection case, temperature sensor sets up in overheat protector's back, a connecting pipe fixed connection is in the right side of detection case, two fixed connection of connecting pipe are in the left side of detection case.

Further, overheat protector respectively with connecting pipe one, connecting pipe two and temperature sensor electric connection, temperature sensor keeps away from overheat protector's one end and the surface connection of fuselage, connecting pipe one and cooling body electric connection, connecting pipe two and motor case electric connection, at the in-process of screw rod work, temperature sensor can detect the temperature of fuselage surface always, and when the temperature of fuselage surface was too high, temperature sensor can transmit the signal of telecommunication for overheat protector, and overheat protector passes through the connecting pipe and two to motor case signals transmission, and the stop motor makes the screw rod stall, and overheat protector sends a signal through the connecting pipe earlier on cooling body simultaneously.

Further, the right side fixed mounting of fuselage has the aircraft nose, the bottom fixed mounting of fuselage has the base, the top left side fixed mounting of fuselage has feed arrangement, the positive right side fixedly connected with drain pipe of base puts into the raw materials that will make plastics from feed arrangement, enters into inside the fuselage, starter motor, motor drive dwang rotate, and the dwang makes the blade begin to rotate to make the screw rod begin to stir the extrusion to the raw materials.

Further, cooling body comprises cooler bin, radiator-grid, water tank, pressurized water pipe, water filling port and drainage channel, cooler bin fixed mounting is on the positive right side of fixed mounting in the fuselage, the radiator-grid is seted up at the top of cooler bin, water tank fixed mounting is in the inside side of cooler bin, pressurized water pipe fixed mounting is in one side that the fuselage is close to the water tank, the water filling port is seted up in one side that the fuselage was kept away from to the water tank, drainage channel fixed connection is in the bottom of cooler bin, and when pressurized water pipe received the signal of connecting pipe one, can start the force (forcing) pump, takes the water in the water tank out from pressurized water pipe blowout, cools down the surface of fuselage, and the steam that produces during the cooling can be followed radiator-grid discharge, and the water after the cooling can flow into drainage channel.

Further, the quantity of water tank is two, two the water tank is fixed mounting respectively in the inside left and right sides of cooler bin, the top of pressurization water pipe is provided with the force (forcing) pump, force (forcing) pump and a connecting pipe electric connection, the input of pressurization water pipe extends to the inside of water tank, drainage channel and drain pipe intercommunication, the water that flows into drainage channel finally can follow the drain pipe and discharge, when the water yield in the water tank is not enough, can add water to the water tank through the water filling port.

Further, the screw rod comprises motor, shaft coupling, dwang and blade, motor fixed mounting is in the inside of motor case, the dwang rotates the output of connecting in the motor, the shaft coupling cup joints in the surface left side of dwang, blade fixed mounting is on the surface right side of dwang, and this screw rod has increaseed length and diameter ratio, improves the screw rod rotational speed.

Further, two electric connection of motor and connecting pipe, the equidistant distribution of blade is on the surface right side of dwang, the screw thread has been seted up to the blade surface, the degree of depth of screw thread is 3mm, has increaseed the thread groove degree of depth, makes the conveying efficiency of screw rod higher.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model puts the raw material for manufacturing plastics into the machine body from the feeding device, starts the motor, the motor drives the rotating rod to rotate, the rotating rod makes the blade start rotating, thereby the screw rod starts to stir and extrude the raw material, the temperature sensor can always detect the temperature of the outer surface of the machine body in the working process of the screw rod, when the temperature of the outer surface of the machine body is overhigh, the temperature sensor can transmit an electric signal to the overheating protector, the overheating protector sends a signal to the motor box through the connecting pipe, stops the motor, stops the screw rod from rotating, simultaneously the overheating protector sends a signal to the cooling mechanism through the connecting pipe, when the pressurizing water pipe receives the signal of the connecting pipe I, the pressurizing pump can be started, the water in the water tank is pumped out from the pressurizing water pipe to be sprayed out, the outer surface of the machine body is cooled, and the water vapor generated in the cooling process can be discharged from the radiating net, and the cooled water flows into the drainage channel and is finally discharged from the drainage pipe.

2. According to the screw, the length-diameter ratio and the diameter-diameter ratio are increased, the rotating speed of the screw is improved, the outer surface of the blade is provided with the threads, the depth of the threads is 3mm, the depth of the screw groove is increased, the conveying efficiency of the screw is higher, the stirring efficiency of the screw is higher, and the quality of a plastic product extruded from a handpiece is better.

Drawings

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

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

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

FIG. 3 is a schematic view of the cooling mechanism of the present invention;

fig. 4 is a schematic view of the screw structure of the present invention.

In the figure: 1. a motor case; 2. a screw; 201. a motor; 202. a coupling; 203. rotating the rod; 204. a blade; 3. a body; 4. a detection mechanism; 401. a detection box; 402. an overheat protector; 403. a temperature sensor; 404. a first connecting pipe; 405. a second connecting pipe; 5. a cooling mechanism; 501. a cooling tank; 502. a heat-dissipating web; 503. a water tank; 504. a pressurized water pipe; 505. a water injection port; 506. a drainage channel; 6. a machine head; 7. a base; 8. a drain pipe; 9. a feeding device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides an extruder for plastics processing with overheat protection function, including motor case 1, screw rod 2, fuselage 3, detection mechanism 4 and cooling body 5, screw rod 2 rotates to be connected in motor case 1's right side, fuselage 3 sets up in the outside of screw rod 2, 4 fixed mounting in the positive middle part of fuselage 3 of detection mechanism, 5 fixed mounting in the positive right side of fuselage 3 of cooling body, the right side fixed mounting of fuselage 3 has aircraft nose 6, the bottom fixed mounting of fuselage 3 has base 7, the top left side fixed mounting of fuselage 3 has feed arrangement 9, the raw materials that will make plastics are put into from feed arrangement 9, enter into inside fuselage 3, the positive right side fixed connection of base 7 has drain pipe 8, the water that flows into drainage channel 506 finally can be followed drain pipe 8 and discharged.

The screw 2 is composed of a motor 201, a coupler 202, a rotating rod 203 and a blade 204, the motor 201 is fixedly arranged inside the motor box 1, the rotating rod 203 is rotatably connected with the output end of the motor 201, the coupler 202 is sleeved on the left side of the outer surface of the rotating rod 203, the blade 204 is fixedly arranged on the right side of the outer surface of the rotating rod 203, the motor 201 is electrically connected with a second connecting pipe 405, the blade 204 is equidistantly distributed on the right side of the outer surface of the rotating rod 203, the outer surface of the blade 204 is provided with threads, the depth of the threads is 3mm, the motor 201 drives the rotating rod 203 to rotate, the rotating rod 203 enables the blade 204 to start rotating, so that the screw 2 starts to stir and extrude raw materials, the rotating speed of the screw 2 is improved by increasing the length-diameter ratio, the outer surface of the blade 204 is provided with threads, the depth of the threads is 3mm, the depth of a thread groove is increased, and the conveying efficiency of the screw 2 is higher, .

The detection mechanism 4 is composed of a detection box 401, an overheat protector 402, a temperature sensor 403, a first connecting pipe 404 and a second connecting pipe 405, the detection box 401 is fixedly installed in the middle of the front face of the machine body 3, the overheat protector 402 is fixedly installed in the detection box 401, the temperature sensor 403 is arranged on the back of the overheat protector 402, the first connecting pipe 404 is fixedly connected to the right side of the detection box 401, the second connecting pipe 405 is fixedly connected to the left side of the detection box 401, the overheat protector 402 is respectively electrically connected with the first connecting pipe 404, the second connecting pipe 405 and the temperature sensor 403, one end of the temperature sensor 403 far away from the overheat protector 402 is connected with the outer surface of the machine body 3, the first connecting pipe 404 is electrically connected with the cooling mechanism 5, the second connecting pipe 405 is electrically connected with the motor box 1, in the working process of the screw 2, the temperature sensor 403 can always detect the temperature of the outer surface of the machine body 3, when the temperature of the outer surface of the machine body 3 is too high, the temperature sensor 403 transmits an electric signal to the overheat protector 402, and the overheat protector 402 sends a signal to the motor case 1 through the second connecting pipe 405 to stop the motor 201, so that the screw 2 stops rotating.

The cooling mechanism 5 comprises a cooling box 501, a heat dissipation net 502, water tanks 503, a pressurizing water pipe 504, water filling ports 505 and a water drainage channel 506, wherein the cooling box 501 is fixedly arranged on the right side of the front surface of the machine body 3, the heat dissipation net 502 is arranged on the top of the cooling box 501, the water tanks 503 are fixedly arranged on the inner side surfaces of the cooling box 501, the pressurizing water pipe 504 is fixedly arranged on one side, close to the machine body 3, of the water tanks 503, the water filling ports 505 are arranged on one side, far away from the machine body 3, of the water tanks 503, the water drainage channel 506 is fixedly connected to the bottom of the cooling box 501, the number of the water tanks 503 is two, the two water tanks 503 are respectively and fixedly arranged on the left side and the right side of the inner part of the cooling box 501, a pressurizing pump is arranged on the top of the pressurizing water pipe 504, the input ends of the pressurizing water pipes 504 extend into the inner part of the water tanks 503, the water drainage channel 506 is communicated with a drainage pipe 8, and the overheating protector 402 sends signals to the cooling mechanism 5 through a first connecting pipe 404, when the pressurized water pipe 504 receives the signal of the first connection pipe 404, the pressurizing pump is started to pump the water in the water tank 503 out from the pressurized water pipe 504 to cool the outer surface of the body 3, the water vapor generated during the cooling process is discharged from the heat dissipation net 502, and the cooled water flows into the drainage channel 506 and is finally discharged from the drainage pipe 8.

When the device is used, raw materials for manufacturing plastics are put in from the feeding device 9 and enter the inside of the machine body 3, the motor 201 is started, the motor 201 drives the rotating rod 203 to rotate, the rotating rod 203 enables the blade 204 to start rotating, so that the screw 2 starts stirring and extruding the raw materials, the temperature sensor 403 can always detect the temperature of the outer surface of the machine body 3 in the working process of the screw 2, when the temperature of the outer surface of the machine body 3 is overhigh, the temperature sensor 403 can transmit an electric signal to the overheating protector 402, the overheating protector 402 sends a signal to the motor box 1 through the connecting pipe two 405, the motor 201 is stopped, the screw 2 stops rotating, the overheating protector 402 sends a signal to the cooling mechanism 5 through the connecting pipe one 404, when the pressurizing water pipe 504 receives the signal of the connecting pipe one 404, the pressurizing pump is started, water in the water tank 503 is pumped out and sprayed out from the pressurizing water pipe 504, and the outer surface of the machine body 3 is cooled, the water vapor generated during the cooling process is discharged from the heat-radiating net 502, and the cooled water flows into the water discharge passage 506 and is finally discharged from the water discharge pipe 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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

1. The utility model provides an extruder for plastic processing with overheat protection function, includes motor case (1), screw rod (2), fuselage (3), detection mechanism (4) and cooling body (5), its characterized in that: the screw (2) is rotatably connected to the right side of the motor box (1), the machine body (3) is arranged outside the screw (2), the detection mechanism (4) is fixedly arranged in the middle of the front face of the machine body (3), and the cooling mechanism (5) is fixedly arranged on the right side of the front face of the machine body (3);

detection mechanism (4) comprise detection case (401), overheat protector (402), temperature sensor (403), connecting pipe (404) and connecting pipe two (405), detection case (401) fixed mounting is in the front middle part of fuselage (3), overheat protector (402) fixed mounting is in the inside of detection case (401), temperature sensor (403) set up in the back of overheat protector (402), connecting pipe one (404) fixed connection is in the right side of detection case (401), connecting pipe two (405) fixed connection is in the left side of detection case (401).

2. The extruder for plastic processing with overheat protection function according to claim 1, wherein: the overheat protector (402) is respectively electrically connected with the first connecting pipe (404), the second connecting pipe (405) and the temperature sensor (403), one end, far away from the overheat protector (402), of the temperature sensor (403) is connected with the outer surface of the machine body (3), the first connecting pipe (404) is electrically connected with the cooling mechanism (5), and the second connecting pipe (405) is electrically connected with the motor box (1).

3. The extruder for plastic processing with overheat protection function according to claim 1, wherein: the right side fixed mounting of fuselage (3) has aircraft nose (6), the bottom fixed mounting of fuselage (3) has base (7), the top left side fixed mounting of fuselage (3) has feed arrangement (9), base (7) front right side fixedly connected with drain pipe (8).

4. The extruder for plastic processing with overheat protection function according to claim 1, wherein: cooling body (5) comprise cooler bin (501), radiator-grid (502), water tank (503), pressurization water pipe (504), water filling port (505) and drainage channel (506), cooler bin (501) fixed mounting is on the positive right side of fuselage (3), the top in cooler bin (501) is seted up in radiator-grid (502), water tank (503) fixed mounting is in the inside side of cooler bin (501), pressurization water pipe (504) fixed mounting is in one side that fuselage (3) are close to in water tank (503), one side that fuselage (3) were kept away from in water tank (503) is seted up in water filling port (505), drainage channel (506) fixed connection is in the bottom of cooler bin (501).

5. The extruder for plastic processing with overheat protection function according to claim 4, wherein: the number of the water tanks (503) is two, the two water tanks (503) are respectively and fixedly installed on the left side and the right side of the interior of the cooling tank (501), a pressurizing pump is arranged at the top of the pressurizing water pipe (504), the input end of the pressurizing water pipe (504) extends to the interior of the water tank (503), and the drainage channel (506) is communicated with the drainage pipe (8).

6. The extruder for plastic processing with overheat protection function according to claim 1, wherein: screw rod (2) comprise motor (201), shaft coupling (202), dwang (203) and blade (204), motor (201) fixed mounting is in the inside of motor case (1), dwang (203) rotate to be connected in the output of motor (201), shaft coupling (202) cup joint in the surface left side of dwang (203), blade (204) fixed mounting is on the surface right side of dwang (203).

7. The extruder for plastic processing with overheat protection function according to claim 6, wherein: motor (201) and two (405) electric connection of connecting pipe, equidistant distribution in the surface right side of dwang (203) blade (204), the screw thread has been seted up to blade (204) surface, the degree of depth of screw thread is 3 mm.