CN206245065U - A kind of roughing-up machine for automatically adjusting wrap angle - Google Patents
A kind of roughing-up machine for automatically adjusting wrap angle Download PDFInfo
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- CN206245065U CN206245065U CN201621195463.9U CN201621195463U CN206245065U CN 206245065 U CN206245065 U CN 206245065U CN 201621195463 U CN201621195463 U CN 201621195463U CN 206245065 U CN206245065 U CN 206245065U
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Abstract
The utility model provides a kind of roughing-up machine for automatically adjusting wrap angle, sanding roller including support body, on support body and the pressure roller with sanding roller cooperation extruding cloth, also include movable machine frame moving up and down, pressure roller is arranged on movable machine frame, also include the lowering or hoisting gear for automatically adjusting movable machine frame upper-lower position, lowering or hoisting gear includes, lifting unit, for lifting movable machine frame；Torque cell is surveyed, for detecting the moment of torsion of sanding roller, and survey moment of torsion voltage signal is exported；Control unit, surveys moment of torsion voltage signal and is lifted according to moment of torsion voltage signal control lifting unit is surveyed for receiving；And power subsystem；Have the advantages that sanding effect is good, wrap angle regulation is smooth and high precision, autonomous prompting changing rubber, equipment protection are high.
Description
Technical field
The utility model is related to a kind of roughing-up machine, more particularly to a kind of roughing-up machine for automatically adjusting wrap angle.
Background technology
Sanding is a kind of technique in textile industry, is the friction effect that cloth passes through roughing-up machine and Buddha's warrior attendant rubber, makes fabric
Surface forms one layer and feels with short flannel batt, had not only retained primary characteristic but also had assigned fabric new style, increased warmth retention property
And flexibility.Wrap angle is bigger, and cloth is bigger with sanding roller contact area, and sanding effect is better, otherwise sanding effect is poor, adjustment
Wrap angle can be adjusted by pressure roller.In addition, wrap angle can be smaller when new rubber is just used, with adding for use time
Long, wrap angle will also be adjusted therewith, until rubber is changed.
Disclose a kind of microfiber leather roughing-up machine in the Chinese patent of Publication No. CN205223640U, including housing,
Guide-in roller outside housing, is provided with sanding roller and coordinates the pressure roller of extruding microfiber leather, the pressure with sanding roller in the housing
Roller matches slip with the slide rail for being arranged on its side by slide mechanism, and the housing is provided with dust exhaust apparatus in communication.
By device of giving a dinner of welcome, the dust and soft flocks of generation are suctioned out the utility model when sanding roller can be carried out into sanding to microfiber leather
Housing, so as to improve the quality of microfiber leather；Coordinated by slide mechanism and slide rail and pressure roller is moved into suitable position, make pressure
The distance between roller and sanding roller will not will not also influence mill because of causing sanding quality relatively low too far because impurity is mixed into
Hair quality, but due to the continuous abrasion of sanding roller, the effect of sanding can worse and worse until replacing rubber, causes product quality
It is uneven.
Utility model content
The purpose of this utility model is to provide a kind of roughing-up machine for automatically adjusting wrap angle, and this sanding function is with rubber
Abrasion good sanding effect is kept by pressure roller adjust automatically wrap angle.
Above-mentioned technical purpose of the present utility model technical scheme is that：One kind automatically adjusts cladding
The roughing-up machine at angle, including support body, the sanding roller on the support body and the pressure roller with sanding roller cooperation extruding cloth, also
Including movable machine frame moving up and down, the pressure roller is arranged on the movable machine frame, also including for automatically adjusting activity
The lowering or hoisting gear of frame upper-lower position, the lowering or hoisting gear includes：Lifting unit, for lifting the movable machine frame；Survey moment of torsion
Unit, for detecting the moment of torsion of sanding roller, and exports survey moment of torsion voltage signal；Control unit, for receiving the survey moment of torsion electricity
Pressure signal simultaneously controls the lifting unit lifting according to the survey moment of torsion voltage signal；And power subsystem.
By using above-mentioned technical proposal, by the i.e. indirect monitoring sanding of moment of torsion for surveying torque cell real-time monitoring sanding roller
Frictional force between roller and cloth, when rubber is after using abrasion, the frictional force between sanding roller and cloth can be reduced, and cause to survey
Moment of torsion voltage signal changes, and then control unit is according to the control lifting unit reduction of moment of torsion voltage signal is surveyed, make pressure roller to
The wrap angle of cloth is pushed and then increased, frictional force is recovered preset value, so that roughing-up machine remains good sanding
Effect.
Further, the lifting unit includes that motor, two ends are equipped with helical tooth and are connected by gear with the motor
The worm screw that connects, two drive links for being separately positioned on the movable machine frame both sides, multipair it is symmetricly set on the movable machine frame two
Tooth bar on side, the drive link be provided with the worm gear that is meshed with the helical tooth at the worm screw two ends and with the tooth bar phase
Meshed gears.
By using above-mentioned technical proposal, by the gearing of worm screw, drive link and tooth bar, realize with motor to pressure
The control of the lifting of roller；The characteristics of worm gear has speed reducing ratio high with the drive mechanism of worm screw, makes motor to lifting movable machine frame
Control more precisely with it is smooth；The drive mechanism of worm gear and worm screw also has the worm screw can rotate gear but gear cannot turn easily
The characteristics of dynamic worm screw, this makes drive link have good latch functions and good supporting role is given to movable machine frame, prevents
Movable machine frame is downwards independently slided.
Further, the survey torque cell includes torque sensor, and the torque sensor is arranged on the sanding roller
Rotating shaft on, and export survey moment of torsion voltage signal.
Further, described control unit includes：Comparison circuit, the survey moment of torsion voltage signal and lower limit reference that will be received
Voltage compares and exports one first comparison signal；Anti-clutter circuit, to the change according to the first comparison signal in the scheduled time
Situation exports a control signal；Circuit is opened and closed, the anti-clutter circuit is coupled to, to according to control signal control
Break-make between motor and power subsystem.
Further, the comparison circuit includes：First reference voltage generating circuit, with a first resistor, its one end
Power subsystem is coupled to, the other end is grounded after being connected with a second resistance, is produced between first resistor and second resistance described
Lower limit reference voltage；First comparator, with an in-phase input end, an inverting input and an output end, the homophase input
End is coupled between first resistor and second resistance, and inverting input is coupled to the output end of torque sensor, output end output
First comparison signal.
Further, the anti-clutter circuit includes：Delay circuit, its input is coupled to the output end of first comparator
And export a time delay comparison signal；With door, it has first input end, the second input and an output end, its first input end with
The output end coupling of delay circuit, the second input is coupled with the output end of comparison circuit, its output end output control signal.
Further, the keying circuit includes：First NPN triode, its grounded emitter, base stage is by one the 3rd electricity
Resistance is coupled to the output end of described and door and passes through one the 4th resistance with emitter stage altogether；First relay, the first of its coil
End is coupled to power subsystem, and the second end of its coil is coupled to the colelctor electrode of the first NPN triode, its normally opened contact switch one end
With power subsystem coupling, its normally opened contact switch other end and motor are coupled；First diode, its negative pole is coupled to the first relay
The first end of the coil of device, positive pole is coupled to the second end of the coil of the first relay.
Further, the lowering or hoisting gear also includes upper limit control circuit, and the upper limit control circuit includes：Second reference
Voltage generation circuit, with one the 5th resistance, its one end is coupled to power subsystem, and the other end is followed by with one the 6th resistant series
Ground, a upper limit reference voltage is produced between the 5th resistance and the 6th resistance；Second comparator, with an in-phase input end, one
Inverting input and an output end, the in-phase input end are coupled between the 5th resistance and the 6th resistance, inverting input coupling
The output end of torque sensor is connected to, output end exports second comparison signal；Second NPN triode, its grounded emitter,
Base stage is coupled to the output end of second comparator and passes through one the 8th resistance with emitter stage altogether by one the 7th resistance；The
Two relays, the first end of its coil is coupled to power subsystem, and the second end of its coil is coupled to the current collection of the second NPN triode
Pole, its normally opened contact switch one end couples with the positive pole of the first diode, its normally opened contact switch other end ground connection；Two or two pole
Pipe, its negative pole is coupled to the first end of the coil of the second relay, and positive pole is coupled to the second end of the coil of the second relay；The
Three relays, its coil one end is coupled to the negative pole of the first diode, and the other end of its coil is being coupled to the first diode just
Pole, its normally opened contact switch is coupled between the positive pole of the normally opened contact switch of the second relay and the first diode.
Further, the lowering or hoisting gear also includes circuit for alarming, and the circuit for alarming includes：Range sensor, its peace
Immediately below the pressure roller, and export the range finding voltage signal to pressure roller；3rd reference voltage generating circuit, with one the 9th
Resistance, its one end is coupled to power subsystem, is grounded after the other end and 1 the tenth resistant series, from the 9th resistance and the tenth resistance it
Between produce a low coverage reference voltage；3rd comparator, it is described with an in-phase input end, an inverting input and an output end
In-phase input end is coupled to the output end of range sensor, and inverting input is coupled between the 9th resistance and the tenth resistance, defeated
Go out end output the 3rd comparison signal；Buzzer, its one end is coupled to the output end of the 3rd comparator, its other end ground connection.
Further, described also to have the 3rd input with door, the circuit for alarming also includes not gate, the not gate it is defeated
Enter the output end that end is coupled to the 3rd comparator, the output end of the not gate is coupled to the 3rd input with door.
By using above-mentioned technical proposal, the moment of torsion by torque sensor real-time monitoring sanding roller is indirect monitoring sanding
Frictional force between roller and cloth, when rubber is after using abrasion, the frictional force between sanding roller and cloth can be reduced, and cause to survey
Moment of torsion voltage signal reduces, and after surveying moment of torsion voltage signal less than lower limit reference voltage and continuing for some time, control unit is led
Three-way motor and the connection of power subsystem, make through lifting unit and then are pressed downward pressure roller, the frictional force between sanding roller and cloth
Gradually increase with moment of torsion voltage signal is surveyed, when surveying moment of torsion voltage signal and being more than lower limit reference voltage, due to the second relay and
The normally opened contact switch of the 3rd relay closes the first NPN triode of simultaneously short circuit, is kept closed the first relay, when
When surveying moment of torsion voltage signal more than upper limit reference voltage, the second comparator output zero level, the normally opened contact of the second relay is opened
Shut-off is opened, and because now first comparator also exports zero level, the normally opened contact switch of the first relay and the 3rd relay is equal
Disconnect, so that motor disconnects with power subsystem, and then makes pressure roller stop pushing, it is achieved thereby that between sanding roller and cloth
The recovery of frictional force；While pressure roller is pushed, the range finding voltage signal of range sensor output gradually increases, when range finding voltage
When signal is more than low coverage reference voltage, the output end output high level of the 3rd comparator turns on buzzer, while the 3rd comparator
The high level of output is accessed and door after being converted into zero level through not gate, work is left the motor off, it is achieved thereby that prompting changing sand
Skin simultaneously stops the purpose that lifting unit works simultaneously.
To sum up, the utility model has the advantages that：
(1) drive mechanism of worm gear and worm screw is set, make motor to lift the control of movable machine frame more precisely with it is smooth,
Its latch functions makes drive link that good supporting role is given to movable machine frame simultaneously, it is therefore prevented that movable machine frame is independently slided downwards
It is dynamic；
(2) lowering or hoisting gear is set, by surveying the frictional force between torque cell real-time monitoring sanding roller and cloth, and with
The abrasion of rubber, by increasing the wrap angle of cloth and sanding roller, so that roughing-up machine remains good sanding effect；
(3) circuit for alarming is set, by the depression distance of range sensor real-time monitoring pressure roller, and autonomous prompting is realized
Change rubber and stop the function of electric motor protecting equipment simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the right side perspective view of the present embodiment；
Fig. 3 is the circuit diagram of the present embodiment；
Fig. 4 is the circuit diagram of power subsystem.
Reference：1st, support body；2nd, sanding roller；3rd, guide roller；4th, movable machine frame；5th, pressure roller；6th, lifting unit；7th, survey and turn round
Square unit；8th, torque sensor；9th, control unit；10th, upper limit control circuit；11st, circuit for alarming；12nd, power subsystem；13rd,
One travelling gear；14th, motor；15th, helical tooth；16th, worm screw；17th, drive link；18th, tooth bar；19th, the second travelling gear；20th, snail
Wheel；21st, the 3rd travelling gear；22nd, comparison circuit；23rd, anti-clutter circuit；24th, circuit is opened and closed；25th, range sensor.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of roughing-up machine for automatically adjusting wrap angle, as depicted in figs. 1 and 2, including 1, three two ends of support body pass through bearing
Sanding roller 2, two on support body 1 is respectively distributed to three both sides of sanding roller 2 and two ends are arranged on frame by bearing
Guide roller 3 on body 1, it is inserted in 4, four two ends of movable machine frame for abutting against in support body 1 and with the inwall of support body 1 and passes through bearing
On movable machine frame 4 and with sanding roller 2 coordinate extruding cloth pressure roller 5, for automatically adjusting the upper-lower position of movable machine frame 4
Lowering or hoisting gear.
As shown in figure 3, lowering or hoisting gear includes：Lifting unit 6, for lifting movable machine frame 4；Installed in turning for sanding roller 2
Torque sensor 8 on axle, for detecting the moment of torsion of sanding roller 2, and exports survey moment of torsion voltage signal；Control unit 9, for connecing
Receive and survey moment of torsion voltage signal and lifted according to moment of torsion voltage signal control lifting unit 6 is surveyed；Upper limit control circuit 10；Circuit for alarming
11；And power subsystem 12.
Lifting unit 6 includes being fixed on support body 1 and being fixed with output shaft the motor 14, two of the first travelling gear 13
The worm screw 16, two that end has rightabout helical tooth 15 is respectively distributed to the both sides of movable machine frame 4 and is pacified by bearing
The symmetrical tooth bar 18 being fixed on the both sides of movable machine frame 4 of drive link 17, two pairs on support body 1, it is fixed on the body of rod of worm screw 16
The second travelling gear 19 being meshed with the first travelling gear 13, fixed one and the two ends of worm screw 16 on every drive link 17
Helical tooth 15 worm gear 20 and two the 3rd travelling gears 21 being meshed with tooth bar 18 that are meshed.
The circuit diagram of power subsystem 12 is depressured through over commutation and filtered as shown in figure 4, its input is coupled to 220V AC powers
After export the first direct current Vout_1, first direct current Vout_1 be 12V；Second direct current Vout_2, second direct current
Vout_2 is 5V, so that control unit 9 is used, additionally, directly powered to motor 14 from the input of power subsystem 12, i.e. and motor
14 power supply is 220V AC powers.
Control unit 9 includes：Comparison circuit 22, the survey moment of torsion voltage signal that will be received compares with lower limit reference voltage
Export one first comparison signal；Anti-clutter circuit 23, to the situation of change output according to the first comparison signal in the scheduled time
One control signal；Circuit 24 is opened and closed, anti-clutter circuit 23 is coupled to, to according to control signal controlled motor 14 and power subsystem
Break-make between 12.
Comparison circuit 22 includes：First reference voltage generating circuit, with a first resistor R1, its one end is coupled to second
Direct current Vout_2, the other end is grounded after being connected with a second resistance R2, is produced between first resistor R1 and second resistance R2
Lower limit reference voltage；First comparator A, with an in-phase input end, an inverting input and an output end, in-phase input end coupling
It is connected between first resistor R1 and second resistance R2, inverting input is coupled to the output end of torque sensor 8, output end output
First comparison signal.
Anti-clutter circuit 23 includes：Delay circuit, its input is coupled to the output end of first comparator A and exports one and prolongs
When comparison signal；With door AND_1, it has first input end, the second input and output end, its first input end and time delay electricity
The output end coupling on road, the second input is coupled with the output end of comparison circuit 22, its output end output control signal.
Delay circuit can select the delay circuit being made up of for core 555 chips in the present embodiment, due to delay circuit
It has been be disclosed that, be prior art, it should be understood by those skilled in the art that its operation principle, will not be repeated here.
Opening and closing circuit 24 includes：First NPN triode Q1, its grounded emitter, base stage is coupled by a 3rd resistor R3
In the output end with door AND_1 and by one the 4th resistance R4 with emitter stage altogether；First relay KM1, its coil one end coupling
The first direct current Vout_1 is connected to, the other end is coupled to the colelctor electrode of the first NPN triode Q1, its normally opened contact switch S1 one end
With 220V AC power sources, its normally opened contact switch S1 other ends couple with motor 14；First diode D1, the coupling of its negative pole
In first direct current Vout_1, positive pole be coupled to the first NPN triode Q1 colelctor electrode and the first relay KM1 coil it
Between.
Upper limit control circuit 10 includes：Second reference voltage generating circuit, with one the 5th resistance R5, its one end is coupled to
Second direct current Vout_2, the other end is grounded after being connected with one the 6th resistance R6, between the 5th resistance R5 and the 6th resistance R6
Produce a upper limit reference voltage；Second comparator B, with an in-phase input end, an inverting input and an output end, with mutually defeated
Enter end to be coupled between the 5th resistance R5 and the 6th resistance R6, inverting input is coupled to the output end of torque sensor 8, export
The second comparison signal of end output；Second NPN triode Q2, its grounded emitter, base stage is coupled to by one the 7th resistance R7
The output end of two comparator B simultaneously passes through one the 8th resistance R8 with emitter stage altogether；Second relay KM2, the coupling of its coil one end
In the first direct current Vout_1, the other end is coupled to the colelctor electrode of the second NPN triode Q2, its normally opened contact switch S2 one end with
The positive pole coupling of the first diode D1, its normally opened contact switch S2 other ends ground connection；Second diode D2, its negative pole is coupled to this
First direct current Vout_1, positive pole is coupled between the coil of the colelctor electrode of the second NPN triode Q2 and the second relay KM2；
3rd relay KM3, its coil one end is coupled to the first direct current Vout_1, and the other end of its coil is coupled to the first diode
The positive pole of D1, its normally opened contact switch S3 is coupled to the normally opened contact switch S2's and the first diode D1 of the second relay KM2
Between positive pole.
Circuit for alarming 11 includes：Range sensor 25, it is arranged on immediately below pressure roller 5, and exports the range finding electricity to pressure roller 5
Pressure signal；3rd reference voltage generating circuit, with one the 9th resistance R9, its one end is coupled to the second direct current Vout_2, separately
One end is grounded after being connected with 1 the tenth resistance R10, and from being produced between the 9th resistance R9 and the tenth resistance R10, low coverage reference is electric
Pressure；3rd comparator C, with an in-phase input end, an inverting input and an output end, in-phase input end is coupled to distance and passes
The output end of sensor 25, inverting input is coupled between the 9th resistance R9 and the tenth resistance R10, and output end output the 3rd is compared
Signal；Buzzer H1, its one end is coupled to the output end of the 3rd comparator C, its other end ground connection.
Also there is the 3rd input with door AND_1, circuit for alarming 11 also includes not gate NOT_1, the input of not gate NOT_1
The output end of the 3rd comparator C is coupled to, the output end of not gate NOT_1 is coupled to the 3rd input with door AND_1.
In foregoing circuit, first comparator A, the second comparator B and the 3rd comparator C are active voltage comparator,
Power access end is coupled to the second direct current Vout_2, earth terminal ground connection.
In actually used, the moment of torsion by the real-time monitoring sanding roller 2 of torque sensor 8 is indirect monitoring sanding roller 2 and cloth
Frictional force between material, when rubber is after using abrasion, the frictional force between sanding roller 2 and cloth can be reduced, and cause to survey moment of torsion
Voltage signal reduces；Original state, surveys moment of torsion voltage signal and is less than upper limit reference voltage, and the second comparator B outputs high level is simultaneously
The normally opened contact switch S2 of the second relay KM2 is controlled to close after amplifying through the second NPN triode Q2；When survey moment of torsion voltage signal
Less than lower limit reference voltage and after continuing for some time, exported after a high level amplifies through the first NPN triode Q1 with door AND_1
Control the normally opened contact switch S3 of the first relay KM1 and the 3rd relay KM3 to close, and then turn on motor 14 and power subsystem
12 connection, through lifting unit 6 and then is pressed downward pressure roller 5, frictional force between sanding roller 2 and cloth and surveys moment of torsion voltage letter
Number gradually increase, when surveying moment of torsion voltage signal and being more than lower limit reference voltage, due to the second relay KM2 and the 3rd relay
The normally opened contact switch S3 of KM3 closes the first NPN triode Q1 of simultaneously short circuit, is kept closed the first relay KM1, when
When surveying moment of torsion voltage signal more than upper limit reference voltage, the second comparator B output zero levels, the normally opened of the second relay KM2 touches
Point switch S2 disconnects, and because now first comparator A also exports zero level, normally opened contact switch S1 and normally opened contact switch S3 are equal
Disconnect, so that motor 14 disconnects with power subsystem 12, and then makes pressure roller 5 stop pushing, the friction between sanding roller 2 and cloth
Power also completes recovery；Original state, the range finding voltage signal of the output of range sensor 25 is less than low coverage reference voltage, the 3rd ratio
Zero level is exported compared with device C, buzzer H1 is in open circuit, while pressure roller 5 is pushed, the range finding voltage of the output of range sensor 25
Signal gradually increases, when voltage signal of finding range is more than low coverage reference voltage, the output end output high level of the 3rd comparator C,
Conducting buzzer H1 is to remind rubber worn-out excessive and need to change rubber, while the high level warp of the 3rd comparator C outputs
Not gate NOT_1 is accessed and door AND_1 after being converted into zero level, and zero level is exported with door AND_1 output ends, and then by opening and closing electricity
Road 24 makes motor 14 be stopped.
This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (10)
1. a kind of roughing-up machine for automatically adjusting wrap angle, including support body (1), the sanding roller (2) on the support body (1),
And coordinate the pressure roller (5) of extruding cloth with sanding roller (2), it is characterised in that also including movable machine frame moving up and down (4),
The pressure roller (5) on the movable machine frame (4), also including the liter for automatically adjusting movable machine frame (4) upper-lower position
Falling unit, the lowering or hoisting gear includes：
Lifting unit (6), for lifting the movable machine frame (4)；
Torque cell (7) is surveyed, for detecting the moment of torsion of sanding roller (2), and survey moment of torsion voltage signal is exported；
Control unit (9), for receiving the survey moment of torsion voltage signal and controlling the liter according to the survey moment of torsion voltage signal
Drop unit (6) lifting；
And power subsystem (12).
2. the roughing-up machine for automatically adjusting wrap angle according to claim 1, it is characterised in that lifting unit (6) bag
Include motor (14), two ends be equipped with helical tooth (15) and be connected by gear with the motor (14) worm screw (16), two pieces points
The drive link (17) of the movable machine frame (4) both sides is not arranged on, multipair be symmetricly set on the movable machine frame (4) both sides
Tooth bar (18), the drive link (17) be provided with the worm gear (20) that is meshed with the helical tooth (15) at the worm screw (16) two ends with
And the gear being meshed with the tooth bar (18).
3. the roughing-up machine for automatically adjusting wrap angle according to claim 2, it is characterised in that the survey torque cell (7)
Including torque sensor (8), the torque sensor (8) exports survey moment of torsion electricity in the rotating shaft of the sanding roller (2)
Pressure signal.
4. the roughing-up machine for automatically adjusting wrap angle according to claim 3, it is characterised in that described control unit (9) is wrapped
Include：
Comparison circuit (22), the survey moment of torsion voltage signal that will the be received output that compared with lower limit reference voltage one first compares letter
Number；
Anti-clutter circuit (23), a control signal is exported to the situation of change according to the first comparison signal in the scheduled time；
Circuit (24) is opened and closed, the anti-clutter circuit (23) is coupled to, to control the motor according to the control signal
(14) break-make and between power subsystem (12).
5. the roughing-up machine for automatically adjusting wrap angle according to claim 4, it is characterised in that comparison circuit (22) bag
Include：
First reference voltage generating circuit, with a first resistor, its one end is coupled to power subsystem (12), the other end and one
It is grounded after two resistant series, the lower limit reference voltage is produced between first resistor and second resistance；
First comparator, with an in-phase input end, an inverting input and an output end, the in-phase input end is coupled to
Between one resistance and second resistance, inverting input is coupled to the output end of torque sensor (8), output end output described first
Comparison signal.
6. the roughing-up machine for automatically adjusting wrap angle according to claim 5, it is characterised in that the anti-clutter circuit (23)
Including：
Delay circuit, its input is coupled to the output end of first comparator and exports a time delay comparison signal；
With door, it has the output end coupling of first input end, the second input and output end, its first input end and delay circuit
Connect, the second input is coupled with the output end of comparison circuit (22), its output end output control signal.
7. the roughing-up machine for automatically adjusting wrap angle according to claim 6, it is characterised in that keying circuit (24) bag
Include：
First NPN triode, its grounded emitter, base stage is coupled to the output end with door and passes through by a 3rd resistor
One the 4th resistance is with emitter stage altogether；
First relay, the first end of its coil is coupled to power subsystem (12), and the second end of its coil is coupled to a NPN tri-
The colelctor electrode of pole pipe, its normally opened contact switch one end and power subsystem (12) coupling, its normally opened contact switch other end and motor
(14) couple；
First diode, its negative pole is coupled to the first end of the coil of the first relay, and positive pole is coupled to the line of the first relay
Second end of circle.
8. the roughing-up machine for automatically adjusting wrap angle according to claim 7, it is characterised in that the lowering or hoisting gear also includes
Upper limit control circuit (10), the upper limit control circuit (10) includes：
Second reference voltage generating circuit, with one the 5th resistance, its one end is coupled to power subsystem (12), the other end and one
It is grounded after six resistant series, a upper limit reference voltage is produced between the 5th resistance and the 6th resistance；
Second comparator, with an in-phase input end, an inverting input and an output end, the in-phase input end is coupled to
Between five resistance and the 6th resistance, inverting input is coupled to the output end of torque sensor (8), output end output described second
Comparison signal；
Second NPN triode, its grounded emitter, base stage is coupled to the output end of second comparator by one the 7th resistance
And by one the 8th resistance and emitter stage altogether；
Second relay, the first end of its coil is coupled to power subsystem (12), and the second end of its coil is coupled to the 2nd NPN tri-
The colelctor electrode of pole pipe, its normally opened contact switch one end couples with the positive pole of the first diode, another termination of its normally opened contact switch
Ground；
Second diode, its negative pole is coupled to the first end of the coil of the second relay, and positive pole is coupled to the line of the second relay
Second end of circle；
3rd relay, its coil one end is coupled to the negative pole of the first diode, and the other end of its coil is coupled to the one or two pole
The positive pole of pipe, its normally opened contact switch is coupled between the positive pole of the normally opened contact switch of the second relay and the first diode.
9. the roughing-up machine for automatically adjusting wrap angle according to claim 8, it is characterised in that the lowering or hoisting gear also includes
Circuit for alarming (11), the circuit for alarming (11) includes：
Range sensor (25), it is arranged on immediately below the pressure roller (5), and exports the range finding voltage signal to pressure roller (5)；
3rd reference voltage generating circuit, with one the 9th resistance, its one end is coupled to power subsystem (12), the other end and one
It is grounded after ten resistant series, a low coverage reference voltage is produced between the 9th resistance and the tenth resistance；
3rd comparator, with an in-phase input end, an inverting input and an output end, the in-phase input end be coupled to away from
From the output end of sensor (25), inverting input is coupled between the 9th resistance and the tenth resistance, output end output described the
Three comparison signals；
Buzzer, its one end is coupled to the output end of the 3rd comparator, its other end ground connection.
10. the roughing-up machine for automatically adjusting wrap angle according to claim 9, it is characterised in that described also to have the with door
Three inputs, the circuit for alarming (11) also includes not gate, and the input of the not gate is coupled to the output end of the 3rd comparator,
The output end of the not gate is coupled to the 3rd input with door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195463.9U CN206245065U (en) | 2016-11-04 | 2016-11-04 | A kind of roughing-up machine for automatically adjusting wrap angle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621195463.9U CN206245065U (en) | 2016-11-04 | 2016-11-04 | A kind of roughing-up machine for automatically adjusting wrap angle |
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| CN206245065U true CN206245065U (en) | 2017-06-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881692A (en) * | 2017-11-24 | 2018-04-06 | 湖州翔顺工贸有限公司 | A kind of fabric roughing-up machine |
| CN113273380A (en) * | 2021-04-19 | 2021-08-20 | 广西大学 | Anti-blocking sugarcane feeding amount self-adaptive leaf peeling roller distance adjusting device |
-
2016
- 2016-11-04 CN CN201621195463.9U patent/CN206245065U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881692A (en) * | 2017-11-24 | 2018-04-06 | 湖州翔顺工贸有限公司 | A kind of fabric roughing-up machine |
| CN113273380A (en) * | 2021-04-19 | 2021-08-20 | 广西大学 | Anti-blocking sugarcane feeding amount self-adaptive leaf peeling roller distance adjusting device |
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