CN213622428U - Aluminum foil paper roll unwinding device - Google Patents
Aluminum foil paper roll unwinding device Download PDFInfo
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- CN213622428U CN213622428U CN202022293358.1U CN202022293358U CN213622428U CN 213622428 U CN213622428 U CN 213622428U CN 202022293358 U CN202022293358 U CN 202022293358U CN 213622428 U CN213622428 U CN 213622428U
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Abstract
The utility model belongs to the technical field of the production of aluminium foil paper and specifically relates to a device is unreeled to aluminium foil paper book is related to, and it includes the frame, be provided with in the frame and unreel the axle, it rotates with the frame to unreel the axle and is connected, still be provided with in the frame and be used for the restriction to unreel axle pivoted arresting gear, install the heat abstractor who is used for making the arresting gear cooling in the frame. This application has the effect that the phenomenon that the paper is lax when unreeling appears in the reduction.
Description
Technical Field
The application relates to the field of aluminum foil paper production, in particular to an aluminum foil paper roll unwinding device.
Background
In order to facilitate storage and transportation, the paper roll raw material is generally in a rolled large-sheet structure, the paper roll raw material is wound on a roll core shaft to form a paper roll coiled material, the roll core shaft can rotate to unreel the paper roll coiled material, one end of the paper roll raw material is pulled to enable the roll core shaft to rotate to unreel, and the paper roll coiled material is cut and the like.
Aiming at the film spreading in the related art, the inventor believes that the defect exists in that when the paper roll is pulled to be unwound, inertia is generated by the rotation of the paper roll, so that paper cannot be tensioned easily, and the slitting quality is affected.
SUMMERY OF THE UTILITY MODEL
In order to reduce the phenomenon that the paper is lax when unreeling, this application provides an aluminium foil paper book unreels device.
The application provides a pair of aluminium foil paper book unreels device adopts following technical scheme:
the utility model provides an aluminium foil paper book unreels device, includes the frame, be provided with in the frame and unreel the axle, it rotates with the frame to unreel the axle and be connected, still be provided with in the frame and be used for the restriction to unreel axle pivoted arresting gear, install the heat abstractor who is used for making the arresting gear cooling in the frame.
Through adopting above-mentioned technical scheme, arresting gear is used for restricting the slew velocity of unreeling the axle, reduces to appear the paper and unreeling because inertia and the too fast phenomenon that lax appears of rotational speed, and heat abstractor is used for carrying out the cooling operation to arresting gear to protection arresting gear, extension arresting gear's life.
Preferably, the braking device is a magnetic powder brake, the magnetic powder brake is coaxially fixed with the unwinding shaft, and the magnetic powder brake is installed on the rack.
Through adopting above-mentioned technical scheme, magnetic powder brake can restrict the rotational speed of unreeling the axle to reach and reduce the phenomenon that the spool rotational speed of unreeling appears too fast and appear.
Preferably, the magnetic powder brake is externally sleeved with a protective shell, a plurality of heat dissipation holes are formed in the protective shell, and the protective shell is fixedly connected with the shell of the magnetic powder brake.
Through adopting above-mentioned technical scheme, the setting of protective housing reduces the condition that the user of service mistake touched magnetic powder brake and appears being scalded and takes place.
Preferably, the heat abstractor selects the fan of blowing, and the fan of blowing is installed on magnetic powder brake, the power supply circuit of the fan of blowing sets up to first power.
Through adopting above-mentioned technical scheme, the fan of blowing is used for blowing the cooling to magnetic powder brake.
Preferably, still be provided with control module in the frame, control module includes: the temperature detection unit is arranged on the braking device and used for detecting the temperature of the braking device and sending out a detection signal; the starting circuit is electrically connected with the temperature detection unit, a first preset value is arranged in the starting circuit, and the starting circuit is electrically connected with the heat dissipation device and used for receiving a detection signal and controlling the heat dissipation device to start with the first preset value; the alarm circuit is electrically connected with the temperature detection unit, and a second preset value is arranged in the alarm circuit and used for receiving the detection signal, comparing the detection signal with the second preset value and outputting an alarm signal; the power supply circuit is electrically connected with the starting circuit and the alarm circuit and used for supplying power to the starting circuit and the alarm circuit; the working power supply comprises a second power supply and a potentiometer, one end of the potentiometer is electrically connected with the voltage output end of the second power supply, and the other end of the potentiometer is grounded.
By adopting the technical scheme, the temperature detection unit is used for detecting the temperature of the braking device, when the temperature is higher than a first preset value, the starting circuit enables the heat dissipation device to be started, when the temperature is higher than a second preset value, the alarm circuit gives an alarm to remind a user of stopping the equipment or adding other heat dissipation equipment, the second power supply is used for supplying power, and the output voltage of the second power supply can be adjusted through the resistor of the adjusting point positioner.
Preferably, the start-up circuit includes: the first comparison circuit is electrically connected with the temperature detection unit so as to receive the detected temperature signal and compare the detected temperature signal with a first preset value and output a voltage signal; the control end of the relay is connected in series in a power circuit of the blowing fan; the first comparison circuit is electrically connected with the grid electrode of the first field effect transistor so as to receive a voltage signal of the first comparison circuit, the source electrode of the first field effect transistor is grounded, and the controlled end of the relay is connected in series between the drain electrode of the first field effect transistor and the second power supply.
Through adopting above-mentioned technical scheme, when the magnitude of voltage of detected signal is higher than first default, first comparison circuit output high level makes field effect transistor switch on, relay actuation, the power supply circuit intercommunication at blowing fan place, and the operation of cooling down is carried out to the blowing fan.
Preferably, the first comparison circuit includes a first resistor and a first comparator, the temperature detection unit is electrically connected to a positive phase input terminal of the first comparator, one end of the first resistor is electrically connected to a negative phase input terminal of the first comparator, a power supply input terminal of the second power supply at the other end of the first resistor is electrically connected to the first resistor, and the first resistor is connected to a ground line.
By adopting the technical scheme, the first comparator is used for comparing the detection signal with the first preset value, and when the voltage value of the positive phase input end is higher than that of the negative phase output end, the first comparator outputs high level to enable the first field effect transistor to be conducted.
Preferably, the alarm circuit includes: the second comparison circuit is electrically connected with the temperature detection unit so as to receive the detection signal, compare the detection signal with the first preset value and output a voltage signal; and the second comparison circuit is electrically connected with the grid electrode of the second field effect transistor, the source electrode of the second field effect transistor is grounded, and the grid electrode of the second field effect transistor is electrically connected with the power supply access end of the second power supply. And the alarm is connected between the drain electrode of the second field effect transistor and the second power supply in series.
By adopting the technical scheme, when the second comparison circuit detects that the detection signal is higher than the second preset value, the second comparison circuit outputs high level to enable the second field effect transistor to be conducted, and then the alarm is communicated with the power supply to perform alarm operation.
Preferably, the second comparing circuit includes a second comparator, a second resistor and a third resistor, the temperature detecting unit is electrically connected to a positive phase input terminal of the second comparator, one end of the second resistor is electrically connected to a negative phase input terminal of the second comparator, the other end of the second resistor is electrically connected to a power supply input terminal of the second power supply, one end of the third resistor is electrically connected to the second resistor, and the other end of the third resistor is grounded.
By adopting the technical scheme, when the voltage of the positive phase input end of the second comparator is higher than that of the negative phase output end, the output end of the second comparator can output high level, so that the second field effect transistor is conducted.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic view showing the structure of the strut.
Fig. 3 is a circuit connection diagram of the control module.
Reference numerals: 1. a frame; 2. unwinding the reel; 3. a magnetic powder brake; 30. a protective shell; 300. heat dissipation holes; 301. a strut; 4. a blower fan; 5. a temperature detection unit; 50. a temperature sensor; 6. a start-up circuit; 60. a first comparison circuit; 7. an alarm circuit; 70. a second comparison circuit; 71. an alarm; 8. a working power supply; A. a first comparator; B. a second comparator; D. a light emitting diode group; k1, a control switch; KM and a relay; q1, first field effect transistor; q2, second field effect transistor; r0, a potentiometer; r1, a first resistor; r2, a second resistor; r3, a third resistor; u, a first power supply; VCC, second power supply.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses an aluminum foil paper roll unwinding device. Referring to fig. 1, the unwinding device for the aluminum foil paper roll comprises a frame 1, an unwinding shaft 2 is arranged on the frame 1, the unwinding shaft 2 is rotatably supported on the frame 1, the paper roll is sleeved on the unwinding shaft 2, a braking device used for limiting the unwinding shaft 2 to rotate is arranged on the unwinding shaft 2, a heat dissipation device used for cooling the braking device is arranged on the braking device, a control module is further arranged on the frame 1 and used for controlling the starting of the heat dissipation device so as to protect the braking device.
Referring to fig. 2, arresting gear selects magnetic powder brake 3, magnetic powder brake 3 and 2 coaxial fixes of unreeling axle, heat abstractor sets up to blow 4, blow 4 and install on magnetic powder brake 3, blow 4 and fix on magnetic powder brake 3's casing through the iron wire, blow 4 rotations of fan and can cool down to magnetic powder brake 3, the power supply circuit of blowing 4 sets up to first power U, first power U's voltage is selected to 36V, it has control switch K1 still to establish ties in the power supply circuit of blowing 4.
Referring to fig. 2, the outside cover of magnetic powder brake 3 is equipped with protective housing 30, has seted up a plurality of louvres 300 on the protective housing 30, and even interval sets up between the louvre 300, and the inside of protective housing 30 is provided with branch 301, and the inner wall welding of branch 301 one end and protective housing 30, the other end and magnetic powder brake 3's casing welding, and protective housing 30 is used for reducing the phenomenon that the user of service touches magnetic powder brake 3 casing and is scalded, protection user of service.
Referring to fig. 3, control module includes temperature detecting unit 5, starting circuit 6, alarm circuit 7 and working power supply 8, temperature detecting unit 5 and starting circuit 6 electric connection, alarm circuit 7 and 5 electric connection of temperature detecting unit, working power supply 8 and starting circuit 6, the equal electric connection of alarm circuit 7, temperature detecting unit 5 includes temperature sensor 50, temperature sensing installs on the inner wall of protective housing 30, temperature sensor 50 is used for detecting magnetic powder brake 3's temperature, working power supply 8 is used for supplying power to starting circuit 6 and alarm circuit 7, starting circuit 6 is used for controlling the fan 4 of blowing and starts. The starting circuit 6 is internally provided with a first preset value, the alarm circuit 7 is provided with a second preset value, the second preset value is larger than the first preset value, the first preset value is 30-40 ℃ (including 30 ℃ and 40 ℃), the second preset value is 70-80 ℃ (including 70 ℃ and 80 ℃), when the temperature is higher than the first preset value, the starting circuit 6 controls the blowing fan 4 to be started, when the temperature is higher than the second preset value, the alarm circuit 7 sends an alarm signal to remind a user that the temperature of the magnetic powder brake 3 is too high, and the work of equipment needs to be stopped or other cooling equipment needs to be added to reduce the ambient temperature.
The working power supply 8 comprises a second power supply VCC and a potentiometer R0, one end of the potentiometer R0 is electrically connected with the voltage output end of the second power supply VCC, the other end of the potentiometer R0 is grounded, the voltage of the second power supply VCC is selected to be 1.5-3.5V, and the potentiometer R0 is used for adjusting the voltage output value of the second power supply VCC.
The starting circuit 6 comprises a first comparison circuit 60, a first field effect transistor Q1 and a relay KM, the first comparison circuit 60 comprises a first resistor R1 and a first comparator a, the temperature sensor 50 is electrically connected with a positive phase input end of the first comparator a, one end of the first resistor R1 is electrically connected with a negative phase input end of the comparator, the other end of the first resistor R1 is electrically connected with a power supply access end of a second power supply VCC, and the potentiometer R0 is used for adjusting the voltage input into the negative phase input end of the first comparator a. The output end of the first comparator a is electrically connected to the gate of the first fet Q1, the source of the first fet Q1 is grounded, and the drain of the first fet Q1 is electrically connected to the power supply connection end of the second power supply VCC. The controlled end of the relay KM is connected in series between a second power supply VCC and the first field effect transistor Q1, and the control end of the relay KM is connected in series in a power supply circuit where the blowing fan 4 is located. The temperature sensor 50 can output a voltage signal to the first comparator A, the higher the voltage detected by the temperature sensor 50 is, the higher the output voltage is, when the voltage of the positive phase output end of the first comparator A is greater than the voltage of the negative phase output end, the output end of the first comparator A outputs a high level signal, the first field effect tube Q1 is conducted, the relay KM is attracted, the air blowing fan 4 is communicated with the first power supply U, and the air blowing fan 4 continues to work.
The alarm circuit 7 comprises a second comparison circuit 70, a second field effect transistor Q2 and an alarm 71, the alarm 71 is selected as a light emitting diode group D, the second comparison circuit 70 comprises a second comparator B, a second resistor R2 and a third resistor R3, the temperature sensor 50 is electrically connected with the positive input end of the second comparator B, one end of the second resistor R2 is electrically connected with the negative input end of the second comparator B, the other end of the second resistor R2 is electrically connected with the power supply access end of a second power supply VCC, one end of the third resistor R3 is electrically connected with the second resistor R2, the other end of the third resistor R3 is grounded, the output end of the second comparator B is electrically connected with the grid of the second field effect transistor Q2, the source of the second field effect transistor Q2 is grounded, the drain of the second field effect transistor Q2 is electrically connected with the cathode of the light emitting diode group D, the anode of the light emitting diode group D is electrically connected with the power supply access end of, the led group D is mounted on the chassis 1. When the voltage at the positive phase input end of the second comparator B is greater than the voltage at the negative phase input end, the output end of the second comparator B outputs a high level, the second field effect transistor Q2 is turned on, and the light emitting diode group D is turned on.
The implementation principle of the unwinding device for the aluminum foil paper roll in the embodiment of the application is as follows: magnetic powder brake 3 is used for restricting the rotational speed of unreeling axle 2, and magnetic powder brake 3 can rise at the during operation temperature, and when the temperature was higher than first default, starting circuit 6 control air exhauster started, dispels the heat to magnetic powder brake 3, and when the temperature was higher than the second default, alarm circuit 7 made emitting diode group D light, and suggestion user of service personnel high temperature need make equipment stop work or add cooling device.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an aluminium foil paper book unwinding unit which characterized in that: including frame (1), be provided with on frame (1) and put spool (2), it rotates with frame (1) to put spool (2) and is connected, still be provided with on frame (1) and be used for the restriction to put spool (2) pivoted arresting gear, install the heat abstractor who is used for making the arresting gear cooling on frame (1).
2. The unwinding device for aluminum foil paper roll according to claim 1, characterized in that: the magnetic powder brake (3) is selected as the brake device, the magnetic powder brake (3) is coaxially fixed with the unreeling shaft (2), and the magnetic powder brake (3) is installed on the rack (1).
3. The unwinding device for aluminum foil paper roll according to claim 2, characterized in that: the magnetic powder brake (3) is externally sleeved with a protective shell (30), a plurality of heat dissipation holes (300) are formed in the protective shell (30), and the protective shell (30) is fixedly connected with a machine shell of the magnetic powder brake (3).
4. The unwinding device for aluminum foil paper roll according to claim 2, characterized in that: the heat dissipation device is selected as a blowing fan (4), the blowing fan (4) is installed on the magnetic powder brake (3), and a power circuit of the blowing fan (4) is set to be a first power supply (U).
5. The unwinding device for aluminum foil paper roll according to claim 1, characterized in that: still be provided with control module on frame (1), control module includes:
the temperature detection unit (5) is arranged on the braking device and used for detecting the temperature of the braking device and sending out a detection signal;
the starting circuit (6), the starting circuit (6) is electrically connected with the temperature detection unit (5), a first preset value is arranged in the starting circuit (6), and the starting circuit (6) is electrically connected with the heat dissipation device and used for receiving the detection signal and controlling the heat dissipation device to start with the first preset value;
the alarm circuit (7) is electrically connected with the temperature detection unit (5), and a second preset value is arranged in the alarm circuit (7) and used for receiving the detection signal, comparing the detection signal with the second preset value and outputting an alarm signal;
the power supply circuit is electrically connected with the starting circuit (6) and the alarm circuit (7) and is used for supplying power to the starting circuit (6) and the alarm circuit (7);
working power supply (8), working power supply (8) include second power VCC and potentiometre R0, potentiometre R0 one end and second power VCC's voltage output end electric connection, potentiometre R0's the other end ground connection.
6. The unwinding device for aluminum foil paper roll according to claim 5, characterized in that: the start-up circuit (6) comprises:
the first comparison circuit (60), the first comparison circuit (60) is electrically connected with the temperature detection unit (5) to receive the detected temperature signal and compare with a first preset value and output a voltage signal;
the control end of the relay KM is connected in series in a power circuit of the blowing fan (4);
the first field effect transistor Q1, the grid electrical behavior of first field effect transistor Q1 is connected with the grid of first field effect transistor Q1 in order to receive the voltage signal that first comparison circuit (60) exported, the source ground of first field effect transistor Q1, the controlled end of relay (KM) is established ties between the drain-source resistance of first field effect transistor Q1 and second power VCC.
7. The unwinding device for aluminum foil paper roll according to claim 6, characterized in that: the first comparison circuit comprises a first resistor R1 and a first comparator A, the temperature detection unit (5) is electrically connected with the positive phase input end of the first comparator A, one end of the first resistor R1 is electrically connected with the negative phase input end of the first comparator A, the other end of the first resistor R1 is electrically connected with the power supply access end of a second power supply VCC, and the first resistor R1 is connected with the ground wire.
8. The unwinding device for aluminum foil paper roll according to claim 5, characterized in that: the alarm circuit (7) comprises:
the second comparison circuit (70), the second comparison circuit (70) is electrically connected with the temperature detection unit (5) to receive the detection signal and compare with the first preset value and output a voltage signal;
the second field-effect tube Q2, the second comparison circuit (70) is electrically connected with the grid electrode of the second field-effect tube Q2, the source electrode of the second field-effect tube Q2 is grounded, and the grid electrode of the second field-effect tube Q2 is electrically connected with the power supply access end of the second power supply VCC;
and the alarm (71), wherein the alarm (71) is connected between the drain electrode of the second field effect transistor Q2 and the second power supply VCC in series.
9. The unwinding device for aluminum foil paper roll according to claim 8, characterized in that: the second comparison circuit (70) comprises a second comparator B, a second resistor R2 and a third resistor R3, the temperature detection unit (5) is electrically connected with the positive phase input end of the second comparator B, one end of the second resistor R2 is electrically connected with the negative phase input end of the second comparator B, the other end of the second resistor R2 is electrically connected with the power supply access end of the second power supply VCC, one end of the third resistor R3 is electrically connected with the second comparator B, and the other end of the third resistor R3 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022293358.1U CN213622428U (en) | 2020-10-14 | 2020-10-14 | Aluminum foil paper roll unwinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022293358.1U CN213622428U (en) | 2020-10-14 | 2020-10-14 | Aluminum foil paper roll unwinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213622428U true CN213622428U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022293358.1U Active CN213622428U (en) | 2020-10-14 | 2020-10-14 | Aluminum foil paper roll unwinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213622428U (en) |
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2020
- 2020-10-14 CN CN202022293358.1U patent/CN213622428U/en active Active
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