CN213675386U - Double-screw extruder with temperature detection function - Google Patents
Double-screw extruder with temperature detection function Download PDFInfo
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- CN213675386U CN213675386U CN202022467903.4U CN202022467903U CN213675386U CN 213675386 U CN213675386 U CN 213675386U CN 202022467903 U CN202022467903 U CN 202022467903U CN 213675386 U CN213675386 U CN 213675386U
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Abstract
The utility model relates to a double screw extruder with temperature detects function, including barrel, screw rod and motor, the screw rod is provided with temperature measuring device, temperature measuring device includes temperature measurement chipset and temperature probe, screw rod middle part outside axial is provided with the grooving, temperature probe install in the grooving, the one end that the screw rod is close to the barrel output can be dismantled and be connected with the radiation shield, temperature measurement chipset installs in the radiation shield and is connected with temperature probe through the wire, be provided with the dog between screw rod and the radiation shield, the dog passes through the output of bolt fastening to barrel. The utility model aims to solve or alleviate present screw extruder's temperature measurement point at least outside the swivel nut, the actual temperature that detects the temperature and material differs far away, influences the problem of mixing effect, provides a double screw extruder with temperature detection function.
Description
Technical Field
The utility model relates to an extrusion equipment technical field especially relates to a double screw extruder with temperature detection function.
Background
In powder coating production, screw extruders are the most commonly used equipment. The temperature of the extruder screw plays a critical role in the quality control of powder coating production. The temperature measuring points for temperature control of the existing extruder are all arranged outside the screw sleeve of the extruder, and the temperature measuring points are separated by lining tiles and are close to the heating plate, so that the difference between the actual temperature of the material and the temperature of the measuring points is far. This results in a large deviation in temperature control and thus affects the mixing effect of the extruder. Even causing the internal temperature to be too high and local coking to cause quality accidents.
Because the extruder, especially the twin-screw extruder which is used in large amount for the powder coating at present, generates a large amount of friction heat during working, not only external heating but also external cooling is not needed during normal operation. Since the friction heat is mostly generated on the surfaces of the material and the screw shaft, the temperature of the screw of the extruder is basically representative of the temperature of the material of the extruder, and therefore, the temperature measurement of the screw shaft becomes a necessary requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome not enough among the prior art, solve or alleviate present screw extruder's temperature measurement point at the swivel nut outside at least, detect the actual temperature of temperature and material and differ far away, influence the problem of mixing effect, provide a double screw extruder with temperature detection function.
The utility model discloses a realize through following technical scheme:
a double-screw extruder with a temperature detection function comprises a machine barrel, screws and motors, wherein the two screws are rotatably sleeved in the machine barrel, the motors are arranged at the input end of the machine barrel and are in transmission connection with the two screws, the screws are provided with temperature measuring devices, and the temperature measuring devices comprise temperature measuring chip groups and temperature measuring probes;
a cutting groove is axially formed in the outer side of the middle of the screw, the temperature measuring probe is installed in the cutting groove, a heat insulation sleeve is detachably connected to one end, close to the output end of the machine barrel, of the screw, the heat insulation sleeve is hollow cylindrical, and the temperature measuring chip group is installed in the heat insulation sleeve and is connected with the temperature measuring probe through a lead;
the screw rod is characterized in that a stop block is arranged between the screw rod and the heat insulation sleeve and fixed to the output end of the machine barrel through a bolt, the stop block is cuboid, a discharge chute is formed in the lower portion, close to the machine barrel, of one side of the stop block, a section, extending out of the output end of the machine barrel, of the screw rod is located in the discharge chute, and the end portion of the screw rod extends out of the stop block and is connected with the.
In order to further realize the utility model discloses, can prefer following technical scheme for use:
preferably, the screw comprises a rod shaft, a threaded sleeve and a discharging shaft, the threaded sleeve is fixedly sleeved on the rod shaft, the outer side of the threaded sleeve is in a threaded shape, the discharging shaft is detachably arranged at one end of the rod shaft and is coaxially arranged with the rod shaft, the discharging shaft is located in a discharging groove of the stop block, and one end, far away from the machine barrel, of the discharging shaft is rotatably connected with the stop block.
Preferably, the cutting groove is located on the outer side of the rod shaft, a communication hole is formed in the end portion of the rod shaft, one end of the communication hole is communicated to the end face of the screw rod, the other end of the communication hole is communicated to the bottom face of the cutting groove, an axial through hole is formed in the discharging shaft, one end of the through hole is communicated to the heat insulation sleeve, and the other end of the.
Preferably, the cross section of the rod shaft is in a regular hexagon, and the inner side of the cross section of the threaded sleeve is in a regular hexagon corresponding to the cross section of the rod shaft.
Preferably, the heat insulation sleeve is made of nylon materials.
Preferably, still be provided with wireless transmitting device in the thermal-insulated cover, wireless transmitting device is connected with temperature measuring device, and wireless transmitting device is bluetooth transmitter or wifi transmitter.
Preferably, a battery is further installed in the heat insulation sleeve, and the battery is connected with the temperature measuring device and the wireless transmitting device.
Preferably, the temperature probe of one screw is positioned in the middle section of the screw, and the temperature probe of the other screw is positioned in a section of the screw close to the output end of the machine barrel.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a temperature measuring device includes temperature measurement chip group and temperature probe. The temperature measuring probe is arranged in a cutting groove in the outer side of the middle of the rod shaft and is positioned in the screw sleeve, the temperature of the screw rod is directly detected, so that the detected temperature and the actual temperature of materials of the extruder do not have large errors, the mixing effect of the extruder is guaranteed, and the quality accident caused by local coking due to overhigh internal temperature is avoided.
The utility model discloses a temperature measurement chipset is installed in the heat insulating sleeve of screw rod tip, and the heat insulating sleeve adopts the nylon material to make, avoids the heat on the screw rod to cause the damage to temperature measurement chipset. Meanwhile, a stop block is arranged between the heat insulation sleeve and the screw rod, so that the material is prevented from flowing axially along the outlet and further wrapping the heat insulation sleeve, and heat is further prevented from being conducted to the temperature measurement chip set to prevent the temperature from exceeding the tolerance temperature.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the assembly of the barrel and screw of the present invention;
FIG. 3 is a sectional view of the structure of the barrel and the screw rod of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3 according to the present invention;
FIG. 5 is a schematic structural view of the screw rod of the present invention;
fig. 6 is a transverse cross-sectional view of the screw of the present invention;
fig. 7 is a schematic structural view of the rod shaft of the present invention;
fig. 8 is a schematic structural view of the screw sleeve of the present invention;
fig. 9 is a schematic structural view of the discharging shaft of the present invention;
fig. 10 is one of the schematic structural diagrams of the stopper of the present invention;
fig. 11 is a second schematic structural view of the stopper of the present invention;
wherein: 1-machine barrel; 2-a screw; 3, a motor; 4-temperature measuring chip group; 5-a temperature measuring probe; 6-heat insulation sleeve; 7-a stop block; 201-rod axis; 202-thread insert; 203-discharging shaft.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1-11, a twin-screw extruder with temperature detection function comprises a machine barrel 1, screws 2 and a motor 3, wherein the two screws 2 are rotatably sleeved in the machine barrel 1, the motor 3 is arranged at the input end of the machine barrel 1 and is in transmission connection with the two screws 2, the screws 2 are provided with a temperature measuring device, and the temperature measuring device comprises a temperature measuring chip group 4 and a temperature measuring probe 5;
a cutting groove is axially processed on the outer side of the middle part of the screw rod 2, a temperature measuring probe 5 is arranged in the cutting groove, one end of the screw rod 2 close to the output end of the machine barrel 1 is detachably connected with a heat insulation sleeve 6, the heat insulation sleeve 6 is in a hollow cylindrical shape made of nylon materials, and a temperature measuring chip group 4 is arranged in the heat insulation sleeve 6 and is connected with the temperature measuring probe 5 through a lead;
be provided with dog 7 between screw rod 2 and the radiation shield 6, dog 7 passes through bolt fastening to barrel 1's output, and dog 7 is the cuboid form, and dog 7 is close to one side lower part processing of barrel 1 has the blown down tank, and one section that screw rod 2 stretches out barrel 1 output is located the blown down tank, and 2 tip of screw rod stretch out dog 7 and rotate with dog 7 and be connected.
In order to optimize the product structure and facilitate the installation of the temperature measuring probe 5, the screw 2 comprises a rod shaft 201, a threaded sleeve 202 and a discharge shaft 203, the threaded sleeve 202 is fixedly sleeved on the rod shaft 201, the outer side of the threaded sleeve 202 is in a threaded shape, the discharge shaft 203 is detachably arranged at one end of the rod shaft 201 and is coaxially arranged with the rod shaft 201, the cross section of the rod shaft 201 is in a regular hexagon shape, the inner side of the cross section of the threaded sleeve 202 is in a regular hexagon shape corresponding to the cross section of the rod shaft 201, the discharge shaft 203 is positioned in a discharge groove of the stopper 7, and one end, far away from the machine barrel; two ends of the discharging shaft 203 are provided with outward convex thread sections, and the two thread sections are respectively sleeved on the shaft 201 and the heat insulation sleeve 6 in a thread manner.
The lead is positioned between the temperature measuring probe 5 and the temperature measuring chip group 4, the cutting groove is positioned outside the rod shaft 201, the end part of the rod shaft 201 is provided with a communicating hole, one end of the communicating hole is communicated to the end surface of the screw rod 2, the other end of the communicating hole is communicated to the bottom surface of the cutting groove, the discharging shaft 203 is provided with an axial through hole, one end of the through hole is communicated to the inside of the heat insulation sleeve 6.
In order to facilitate sending the temperature value obtained by the temperature measuring device to a server of an external device, in this embodiment, a wireless sending device is further arranged in the heat insulation sleeve 6, the wireless sending device is connected with the temperature measuring device, the wireless sending device is a bluetooth transmitter, a battery is further arranged in the heat insulation sleeve 6, and the battery is connected with the temperature measuring device and the wireless sending device.
In order to detect the temperature of the materials at different positions in the cylinder 1, in this embodiment, the temperature probe 5 of one screw 2 is located in the middle section of the screw 2, and the temperature probe 5 of the other screw 2 is located in a section of the screw 2 near the output end of the cylinder 1.
During the use, temperature probe 5 is installed in the grooving in pole axle 201 middle part outside, and temperature probe 5 is located swivel nut 202, and the temperature of direct detection screw rod 2 makes the temperature that detects and the actual temperature of extruder material not have great error, and the mixing effect of guarantee extruder avoids causing the quality accident because of inside high temperature local coking.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (8)
1. A double-screw extruder with a temperature detection function comprises a machine barrel (1), two screws (2) and a motor (3), wherein the two screws (2) are rotatably sleeved in the machine barrel (1), and the motor (3) is arranged at the input end of the machine barrel (1) and is in transmission connection with the two screws (2), and is characterized in that the screws (2) are provided with a temperature measuring device which comprises a temperature measuring chip set (4) and a temperature measuring probe (5);
a cutting groove is axially formed in the outer side of the middle of the screw (2), the temperature measuring probe (5) is installed in the cutting groove, a heat insulation sleeve (6) is detachably connected to one end, close to the output end of the machine barrel (1), of the screw (2), the heat insulation sleeve (6) is hollow cylindrical, and the temperature measuring chip set (4) is installed in the heat insulation sleeve (6) and is connected with the temperature measuring probe (5) through a wire;
be provided with dog (7) between screw rod (2) and radiation shield (6), dog (7) are through the output of bolt fastening to barrel (1), and dog (7) are the cuboid form, and one side lower part that dog (7) are close to barrel (1) is provided with the blown down tank, one section that screw rod (2) stretched out barrel (1) output is located in the blown down tank, screw rod (2) tip stretch out dog (7) and rotate with dog (7) and be connected.
2. The twin-screw extruder with temperature detection function according to claim 1, wherein the screw (2) comprises a rod shaft (201), a screw sleeve (202) and a discharge shaft (203), the screw sleeve (202) is fixedly sleeved on the rod shaft (201), the outer side of the screw sleeve (202) is threaded, the discharge shaft (203) is detachably arranged at one end of the rod shaft (201) and is coaxially arranged with the rod shaft (201), the discharge shaft (203) is located in a discharge groove of the stopper (7), and one end of the discharge shaft (203) far away from the barrel (1) is rotatably connected with the stopper (7).
3. The twin-screw extruder with temperature detection function according to claim 2, wherein the cutting groove is located outside the rod shaft (201), the end of the rod shaft (201) is provided with a communication hole, one end of the communication hole is communicated to the end surface of the screw (2), the other end is communicated to the bottom surface of the cutting groove, the discharge shaft (203) is provided with an axial through hole, one end of the through hole is communicated to the inside of the heat insulation sleeve (6), and the other end is communicated to the communication hole.
4. The twin-screw extruder with temperature detection function according to claim 2, wherein the cross section of the rod shaft (201) is a regular hexagon, and the inner side of the cross section of the screw sleeve (202) is a regular hexagon corresponding to the cross section of the rod shaft (201).
5. The twin-screw extruder with temperature detection function according to claim 1, characterized in that the heat insulating sleeve (6) is made of nylon material.
6. The twin-screw extruder with temperature detection function of claim 1, characterized in that a wireless sending device is further arranged in the heat insulation sleeve (6), the wireless sending device is connected with a temperature measuring device, and the wireless sending device is a Bluetooth transmitter or a wifi transmitter.
7. The twin-screw extruder with temperature detection function according to claim 6, characterized in that a battery is further installed in the heat insulation sleeve (6), and the battery is connected with a temperature measuring device and a wireless transmitting device.
8. The twin-screw extruder with temperature detection function according to any one of claims 1 to 7, wherein the temperature probe (5) of one screw (2) is located in the middle section of the screw (2), and the temperature probe (5) of the other screw (2) is located in the section of the screw (2) near the output end of the barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022467903.4U CN213675386U (en) | 2020-10-30 | 2020-10-30 | Double-screw extruder with temperature detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022467903.4U CN213675386U (en) | 2020-10-30 | 2020-10-30 | Double-screw extruder with temperature detection function |
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| Publication Number | Publication Date |
|---|---|
| CN213675386U true CN213675386U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022467903.4U Active CN213675386U (en) | 2020-10-30 | 2020-10-30 | Double-screw extruder with temperature detection function |
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| CN (1) | CN213675386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872225A (en) * | 2022-07-11 | 2022-08-09 | 如皋市中如新材料科技有限公司 | Preparation equipment and process of PVC flame-retardant plastic particles for wires and cables |
-
2020
- 2020-10-30 CN CN202022467903.4U patent/CN213675386U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872225A (en) * | 2022-07-11 | 2022-08-09 | 如皋市中如新材料科技有限公司 | Preparation equipment and process of PVC flame-retardant plastic particles for wires and cables |
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