CN111938399A - Film-coated shoe cover machine and film coating method thereof - Google Patents
Film-coated shoe cover machine and film coating method thereof Download PDFInfo
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- CN111938399A CN111938399A CN202010879803.4A CN202010879803A CN111938399A CN 111938399 A CN111938399 A CN 111938399A CN 202010879803 A CN202010879803 A CN 202010879803A CN 111938399 A CN111938399 A CN 111938399A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007888 film coating Substances 0.000 title abstract description 12
- 238000009501 film coating Methods 0.000 title abstract description 12
- 239000002985 plastic film Substances 0.000 claims abstract description 114
- 229920006255 plastic film Polymers 0.000 claims abstract description 114
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 8
- 230000001960 triggered effect Effects 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000012840 feeding operation Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 description 107
- 229920006257 Heat-shrinkable film Polymers 0.000 description 19
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000009056 active transport Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009057 passive transport Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G25/00—Household implements used in connection with wearing apparel; Dress, hat or umbrella holders
- A47G25/80—Devices for putting-on or removing boots or shoes, e.g. boot-hooks, boot-jacks
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a film-coated shoe cover machine and a film coating method thereof. A film-coated shoe cover machine comprises a hot air generator and a plastic film transmission mechanism, wherein air pipe air outlets of the hot air generator are arranged on two sides or the periphery of a foot-operated area, a pedal plate is supported by a spring and is arranged above the air pipe air outlets, a pedal switch is arranged below the pedal plate, when the pedal plate descends, the pedal plate is triggered to descend under the action of the treading force of a user, the pedal plate stops after descending below the air pipe air outlets, a controller enables a heater to start heating, air blown out by a fan is blown to the periphery of the foot after being heated by the heater, and a plastic film shrinks after being heated to wrap the bottom and the periphery of a shoe to finish one-time wearing; the plastic film transmission mechanism consists of a cutter module, a transmission mechanism and a transmission mechanism control circuit which work in cooperation.
Description
Technical Field
The invention belongs to the technical field of shoe cover wearing equipment, and particularly relates to a film-coated shoe cover machine and a film coating method thereof.
Background
CN200980124358.2 discloses a shoe cover machine and a method for coating a film by the shoe cover machine, and aims to provide a shoe cover machine which has stable cutting and conveying work of a thermal shrinkage film, high film coating speed and ideal film coating effect. It also aims to provide a method for coating the shoes by using the shoe cover machine. According to the technical scheme, a mounting frame of a thermal shrinkage film is arranged in a shell of the shoe cover machine, the thermal shrinkage film is conveyed to a pedal by a conveying device, a film laminating device is arranged in the shoe cover machine, a heating device is arranged in the film laminating device, the heating device comprises a hot air containing cavity, a hot air channel is arranged in the hot air containing cavity, the pedal seals the hot air channel, a fan is arranged at an air inlet of the hot air channel, a heater is arranged in the hot air channel, a heat insulation layer is arranged outside the hot air containing cavity, a restorer is arranged in a pedal lifting mechanism, and a control system controls the temperature of the fan and the temperature of the hot air in the hot air. A method of laminating a film with a shoe cover machine; when the shoe presses the pedal, the central part of the heat-shrinkable film descends along with the shoe and the pedal, the edge part of the heat-shrinkable film wraps the periphery of the shoe, the heat-shrinkable film is preformed, and meanwhile, the pedal descends under pressure, and the pedal opens an outlet of the hot air cavity or a hot air duct; at the moment, the control system controls the fan to work, the ambient air sent by the fan is heated by the heater, the hot air stored in the hot air duct is collected and blown to the edge part of the heat-shrinkable film, and the heat-shrinkable film shrinks around the periphery of the shoe after being heated, so that the instant film covering around the shoe is realized; when the film covering is finished or the shoes leave the pedal, the control system controls the fan to be closed, the pedal seals an outlet of the hot air containing cavity or the hot air duct under the action of the restorer, the heat shrinkable film is conveyed above the pedal again by the conveying device, at the moment, the control system controls the heater to heat the air in the hot air duct, and the film covering device returns to a standby state; when the film covering device is in a standby state, the heater periodically works according to a preset target temperature under the control of the control system to supplement the heat loss in the hot air cavity in the standby state; in the conveying process of the conveying device, the conveying motor realizes accurate positioning of the heat-shrinkable film through secondary action, and when the conveying motor operates for the first time, the conveying motor is started to pull the heat-shrinkable film out of the film roll; when the heat shrinkable film is pulled out to a proper size, the conveying motor is closed, and the cutting motor starts to cut the heat shrinkable film; and after the cutting motor is closed, the conveying motor is started for the second time until the thermal shrinkage film is conveyed to the position, and then the conveying motor is stopped. The disadvantages are as follows: the method has the advantages that long-time waiting is needed when the machine is started, and the machine can not be normally used until the air temperature in the hot air accommodating cavity reaches the requirement. The machine also needs to keep the air in the hot air cavity constant temperature all the time when in standby, so that continuous power supply heating is needed, and a large amount of electric energy is wasted particularly when in standby for a long time. The length of the plastic film is calculated through the conveying wheels according to the number of rotating turns during conveying of the heat-shrinkable film, two pairs of conveying wheels for tightly pressing the heat-shrinkable film are arranged for calculating the conveying length and ensuring that the heat-shrinkable film cannot slide during conveying, and if the anti-skidding heat-shrinkable film with convex and concave points is used, the concave and convex points on the heat-shrinkable film can be flattened by the tightly pressed conveying wheels. Therefore, the conveying film of the invention can only be a smooth heat-shrinkable film, and when the smooth heat-shrinkable film is sleeved on the feet of a user to walk, particularly on a smooth floor, a large slip risk exists. The common shoe cover machine on the market is characterized in that a finished shoe cover is pre-placed in the shoe cover machine, the shoe cover is manually opened and then sleeved in the shoe cover machine, or the shoe cover is automatically opened through the shoe cover machine, and a user steps on the shoe cover machine to wear the shoe cover.
Disclosure of Invention
The invention aims to provide a film-coated shoe cover machine which is suitable for various places with clean requirements, has low cost of plastic films coated on soles, does not need to be manufactured into shoe cover finished products in advance, does not need to be provided with buttons, automatically cuts off when in use, and automatically shrinks the plastic films coated on the soles and the peripheries of shoes. Another purpose of the invention is to provide a film coating method of the film coating type shoe cover machine with low energy consumption, high efficiency and low cost.
The technical scheme of the invention is that the film-coated shoe cover machine comprises a hot air generator, a plastic film transmission mechanism, a hot air generator control circuit, a pedal area arranged at the top of the hot air generator, and a plastic film transmission mechanism and a plastic film winding roller which are sequentially arranged at one side of the pedal area, and is characterized in that air pipe air outlets of the hot air generator are arranged at two sides or the periphery of the pedal area, a pedal plate is supported by a spring and arranged above the air pipe air outlets, a pedal switch is arranged below the pedal plate, the pedal plate is triggered when the pedal plate descends, the pedal plate descends under the action of the pedal force of a user, the pedal plate stops after descending below the air pipe air outlets, a controller enables a heater to start heating, a fan starts working, air blown out by the fan is blown to the periphery of the feet after being heated by the heater, the plastic film shrinks after being heated to wrap the bottoms and, finishing one-time wearing; the plastic film transmission mechanism consists of a cutter module, a transmission mechanism and a transmission mechanism control circuit which work in cooperation.
Preferably, the method comprises the following steps: the hot air generator is composed of a temperature sensor, a fan, a switching airtight box connected with an air outlet of the fan, a plurality of groups of air pipes connected with the switching airtight box, and heaters arranged in the air pipes.
Preferably, the method comprises the following steps: the hot air generator control circuit comprises a controller, a heater, a fan, a hot air temperature sensor, an environment temperature sensor and a foot switch, wherein the heater, the fan, the hot air temperature sensor, the environment temperature sensor and the foot switch are respectively electrically connected with the controller; when a foot pedal is stepped on, a foot switch is triggered, the controller selects proper power supply frequency to supply power to the heater through the ambient temperature detected by the ambient temperature sensor, the fan starts to work at the same time, natural wind is sent into the wind pipe, the natural wind passes through the heated heater to become hot wind, the hot wind is blown out from the wind outlet and is blown onto the foot of a user, and the heat-shrinkable plastic film around the foot shrinks under the action of the hot wind and is wrapped on the sole and the periphery; the hot air temperature sensor feeds back the detected temperature to the controller, and the controller adjusts the power supply frequency for the heater or cuts off the power supply for the heater according to the fed-back temperature; when the feet are lifted or hot air is blown for a set time, the controller stops supplying power to the fan and the heater and stops working.
Preferably, the method comprises the following steps: the cutter module comprises a pair of active pressure plates, a pair of passive pressure plates which are positioned above the pair of active pressure plates and fixedly arranged on the movement in an aligned manner, a longitudinal separation cavity and a transverse separation cavity which are respectively formed between the pair of active pressure plates and between the pair of passive pressure plates, a cutter frame connected with the bottom of the active pressure plates through springs, a cutter slot which is concavely arranged on the cutter frame and communicated with the longitudinal separation cavity, a pair of lugs which are positioned at the end parts of the cutter slot and respectively extend along the parallel direction of the pressure plates, a cutter which is arranged in the cutter slot, a return spring connected between the cutter and the lugs, a supporting seat fixedly arranged on the movement, end parts of the cutter frame positioned at the two sides of the lugs and respectively connected with one end of a sliding lifting column, and the sliding lifting column is vertically arranged with the; and a guide groove for guiding the plastic film to be conveyed is arranged on the side of the transverse separation cavity, and the plastic film is guided to a gap between the active pressing plate and the passive pressing plate in the cutter module by the guide groove.
Preferably, the method comprises the following steps: the conveying mechanism comprises a pair of hinged transmission pieces, one end of each hinged transmission piece is pivoted with the end of the other end of the sliding lifting column, the other ends of the hinged transmission pieces are respectively pivoted with a pair of eccentric wheels, two concentric shaft ends are respectively connected with the eccentric wheels, a transmission wheel is fixedly arranged on the concentric shaft and is connected with a second motor through a transmission belt, a pair of passive conveying wheels and an active conveying wheel are arranged at the inlet of the guide groove and are used for clamping and conveying plastic film belts, and the active conveying wheel is connected with a first motor through the transmission belt and is used for detecting plastic film positioning marks and a sensor arranged at the bottom of the guide groove.
Preferably, the method comprises the following steps: the transmission mechanism control circuit comprises a controller, a first motor, a second motor, a plastic film positioning sensor and an eccentric wheel positioning sensor, wherein the first motor, the second motor, the plastic film positioning sensor and the eccentric wheel positioning sensor are respectively electrically connected with the controller; when the machine is started or a piece of heat-shrinkable plastic film is used up, the controller starts to drive the first motor to drive the driving conveying wheel to rotate in the forward direction, and under the coordination of the driven conveying wheel, the heat-shrinkable plastic film is pushed forwards to the pedal plate after passing through the guide groove and the gap between the driving pressing plate and the driven pressing plate; when the plastic film positioning sensor detects a positioning mark on the heat shrinkable plastic film, sending an electric signal to the controller, stopping the power supply of the controller to the first motor, starting the second motor to work at the same time to drive the eccentric wheel to rotate, pushing the cutter module to ascend by the eccentric wheel, cutting off the heat shrinkable plastic film by the cutter after the heat shrinkable plastic film is tightly pressed by the driving pressing plate and the driven pressing plate, integrally descending the cutter module under the rotation of the eccentric wheel, triggering the eccentric wheel positioning sensor when the cutter module rotates to a lower positioning point, and sending the electric signal to the controller by the eccentric wheel positioning sensor to stop the power supply of the second motor; at this time, the film feeding and cutting operations are all completed, and the film is ready for reuse.
Preferably, the method comprises the following steps: the plastic film is prefabricated into concave-convex anti-slip grains, positioning marks with set lengths are arranged on the plastic film at intervals, a sensor is arranged at the bottom of a guide groove of the conveying mechanism, and in the process of conveying the plastic film, the sensor transmits a signal to a controller after detecting the positioning marks, and the controller sends out an instruction of stopping conveying and cutting off; or the conveying wheel calculates the length of the plastic film according to the number of turns of rotation, and the controller sends out a command of stopping transmission and cutting after the set length is reached.
The other technical proposal of the invention is a film coating method of the film coating type shoe cover machine, which is characterized by comprising the following steps:
the plastic film conveying device comprises a first motor, a driving conveying wheel, a pedal area, a first driving wheel, a second driving wheel, a first driving wheel and a second driving wheel, wherein the first motor works to drive the driving conveying wheel to rotate and convey a plastic film;
when the plastic film is conveyed to a set length, the sensor detects a positioning mark on the plastic film, and the first motor stops working;
the second motor drives the eccentric wheel to push the cutter module to ascend, and the plastic film is pressed against the driven pressing plate by the driving pressing plate and cannot slide;
the second motor continues to drive the eccentric wheel to rotate, after the driving pressing plate of the cutter module is jacked, the driving pressing plate and the driven pressing plate compress the plastic film, the cutter continues to ascend, and the plastic film is completely cut off at one time;
fifthly, the second motor continues to drive the eccentric wheel to rotate, the cutter module descends to the original position, and the cut plastic film is laid in the pedal area to be used;
sixthly, after the user steps on the foot, the heater in the air pipe starts to heat, the fan starts to work, natural air blows through the heater in the air pipe, the temperature is increased to hot air and then the hot air is blown to the periphery of the foot, the plastic film shrinks after being heated, the sole and the periphery of the shoe are wrapped, and one-time wearing is completed.
Preferably, the method comprises the following steps: the heater adopts a pulse power supply mode to supply power for heating instead of continuously supplying power all the time, when the machine starts to work, the ambient temperature is collected through an ambient temperature sensor, and the pulse frequency of power supply of the heating wire is determined according to the ambient temperature; no matter the environment temperature is high or low, the temperature of the air outlet is in a set temperature range, when the environment temperature is low, the temperature of air blown into the heater is low, more intensive electric pulses need to be provided for the heater to generate enough heat, and the natural wind is guaranteed to be heated to the set temperature in time; when the ambient temperature is relatively high, the power supply frequency of the heater needs to be properly reduced to ensure the constant temperature of the air outlet; and a hot air temperature sensor is arranged near the air outlet and used for detecting the temperature of the air outlet, the hot air temperature sensor feeds the detected temperature back to the controller, the power supply frequency of the heater is adjusted in time, and the air temperature of the air outlet is ensured to be kept within a set temperature range.
Preferably, the method comprises the following steps: the plastic film is prefabricated into anti-slip lines with concave and convex points, and when the plastic film is wrapped on the sole, the anti-slip effect is achieved.
Compared with the prior art, the invention has the beneficial effects that:
the air preheating device has the advantages that the hot air accommodating cavity is not arranged, so that the air in the hot air accommodating cavity is not required to be preheated, waiting is not required during starting, and compared with the prior art, the starting waiting time is saved.
According to the invention, the air in the hot air cavity does not need to be kept at a constant temperature in the standby state, so that electric energy is not consumed in the standby state, and compared with the prior art, a large amount of electric energy is saved.
According to the invention, the conveying length of the heat-shrinkable plastic film is judged by identifying the mark on the heat-shrinkable plastic film, so that the pressure requirement on the conveying wheel is low, the heat-shrinkable plastic film is allowed to slide relative to the conveying wheel during conveying, and therefore, the anti-skidding heat-shrinkable film with the convex and concave points can be used, the possibility of slipping of a user during walking after wearing the anti-skidding heat-shrinkable film is effectively reduced, and the safety is improved.
The heater is powered and heated in a pulse power supply mode, and is not powered and heated continuously all the time, when the heater starts to work, the environment temperature is collected through the environment temperature sensor, and the pulse frequency of power supply of the heating wire is determined according to the environment temperature. The air outlet temperature of the invention is in a specific temperature range no matter the ambient temperature is high or low, therefore when the ambient temperature is low and the temperature of the air blown into the heater is low, more and more intensive electric pulses need to be provided for the heater to generate enough heat to ensure that the cold wind energy is heated to the specific temperature in time. When the ambient temperature is relatively high, the power supply frequency of the heater needs to be properly reduced to ensure that the temperature of the air outlet is not over-heated.
Drawings
FIG. 1 is a schematic view showing the structure of the film-coated overshoe device of the present invention;
FIG. 2 is a schematic view of the construction of the hot air generator of the present invention;
FIG. 3 is a schematic view of the structure of the hot air generator of the present invention installed in the film covered shoe cover machine;
FIG. 4 is a schematic view of the natural wind of the hot wind generator of the present invention blowing around the feet after being heated;
FIG. 5 is a control circuit diagram of the electrothermal portion of the present invention;
FIG. 6 is a schematic view of the cutter module drive of the present invention;
FIG. 7 is a schematic view of the construction of the cutter according to the present invention;
FIG. 8 is a control circuit diagram of the plastic film conveying mechanism of the present invention;
FIG. 9 is a schematic view of the construction of a cutter module according to the present invention;
FIG. 10 is a schematic view of the structure of the plastic film of the present invention;
FIG. 11 is a schematic view of the construction of the guide groove of the cutter module according to the present invention;
FIG. 12 is a schematic view of the arrangement of the passive and active transport wheels of the cutter module of the present invention;
fig. 13 is a schematic structural view of the plastic film in the cutter module of the present invention being sandwiched between the driving conveyor wheel and the driven conveyor wheel, the plastic film being pushed into the guide groove first when the driving wheel rotates, and then being pushed to the pedal of the heating box through the cutter module.
Description of the main component symbols:
Controller 17 cutter module 2 active press plate 21 passive press plate 22
Reset spring 254 for cutter 253 of lug 252 of cutter slot 251
Pedal area 3 pedal 31 spring 32 pedal switch 33
Plastic film winding roller 4 and plastic film 41 positioning mark 411 conveying mechanism 5
Plastic film positioning sensor 591 eccentric wheel positioning sensor 592
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings:
referring to fig. 1, the film-coated shoe cover machine includes a hot air generator 1, a plastic film transmission mechanism, a hot air generator control circuit, a foot-operated area 3 disposed on the top of the hot air generator 1, a plastic film transmission mechanism and a plastic film winding roll 4 disposed on one side of the foot-operated area 3 in sequence, an air outlet 111 of an air duct 11 of the hot air generator 1 is disposed on two sides or around the foot-operated area 3, a foot pedal 31 supported by a spring 32 is disposed above the air outlet 111 of the air duct, a foot switch 33 is disposed under the foot pedal 31, when the foot pedal 31 descends, the foot switch 33 is triggered, the foot pedal 31 descends under the pedaling force of a user, the foot pedal 31 descends below the air outlet 111 of the air duct and stops, a controller 17 starts heating the heater 16, a fan 12 starts to operate, and air blown by the fan 12 is heated by the heater 16 and then blows to around the foot (see fig., the plastic film 41 shrinks after being heated, and the sole and the periphery of the shoe are wrapped, so that one-time wearing is completed; the plastic film transmission mechanism consists of a cutter module 2, a transmission mechanism 5 and a transmission mechanism control circuit which work cooperatively; the plastic film 41 is prefabricated into the anti-skid grains 412 with concave-convex points, and when the plastic film 41 is wrapped on the sole, the anti-skid effect is achieved.
Referring to fig. 2, 3 and 4, the hot air generator 1 is composed of an ambient temperature sensor 13, a hot air temperature sensor 14, a fan 12, a switching airtight box 15 connected to a fan outlet 111, a plurality of air pipes 11 connected to the switching airtight box 15, and a heater 16 installed in the air pipes 11, which are arranged in the film-coated shoe cover machine.
Referring to fig. 5, the control circuit of the hot wind generator 1 includes a controller 17, a heater 16, a fan 12, a hot wind temperature sensor 14, an ambient temperature sensor 13, and a foot switch 33, which are electrically connected to the controller 17; when a foot pedal 31 is stepped on, a foot switch 33 is triggered, the controller 17 selects proper power supply frequency to supply power to the heater 16 according to the environment temperature detected by the environment temperature sensor 13, meanwhile, the fan 12 starts working to send natural wind into the air pipe 11, the natural wind passes through the heated heater 16 to be changed into hot wind 6, the hot wind 6 is blown out from the air outlet 111 and is blown onto the foot of a user, and the heat-shrinkable plastic film 41 around the foot shrinks under the action of the hot wind 6 to wrap the sole and the periphery; the hot air temperature sensor 14 arranged at the air outlet 111 of the air pipe feeds back the detected temperature to the controller 17, and the controller 17 adjusts the power supply frequency for the heater 16 or cuts off the power supply for the heater 16 according to the fed-back temperature; when the feet are lifted or the hot air 6 is blown for a set time, the controller 17 stops supplying power to the fan 12 and the heater 16, and stops working.
Referring to fig. 6, 7 and 11, the cutter module 2 includes a pair of active pressing plates 21, a pair of passive pressing plates 22 which are positioned above the pair of active pressing plates 21 and fixedly aligned on the movement and are immovable, a longitudinal spacing cavity 231 and a transverse spacing cavity 232 which are respectively formed between the pair of active pressing plates 21 and between the pair of passive pressing plates 22, a cutter holder 25 connected to the bottom of the active pressing plate 21 through a spring 24, a cutter slot 251 through which the cutter holder 25 is concavely disposed and is communicated with the longitudinal spacing cavity 231, a pair of lugs 252 on the ends of the cutter holder 25 positioned at the cutter slot 251 and respectively extending along the parallel direction of the pressing plates, a cutter 253 disposed in the cutter slot 251, a return spring 254 connected between the cutter 253 and the lugs 252, a supporting seat 26 fixedly disposed on the movement, ends of the cutter holders 25 positioned at both sides of the lugs 252 and respectively connected to the end of one end of a sliding lifting, the supporting seat 26 is provided with a through hole 261 for positioning and moving the sliding lifting column 27; a guide groove 28 for guiding the plastic film 41 is arranged at the side of the transverse compartment 232, and the plastic film 41 is guided into the gap between the active pressing plate 21 and the passive pressing plate 22 in the cutter module by the guide groove 28.
Referring to fig. 6 and 12, the conveying mechanism 5 includes a pair of hinge transmission plates 51, one end of each of the hinge transmission plates 51 is pivotally connected to an end of the other end of the sliding lifting column 27, the other end of each of the hinge transmission plates 51 is pivotally connected to a pair of eccentric wheels 52, two shaft ends of a concentric shaft 53 are respectively connected to the eccentric wheels 52, a transmission wheel 54 is fixedly disposed on the concentric shaft 53, the transmission wheel 54 is connected to a second motor 55 through a transmission belt 541, a pair of passive conveying wheels 551 and active conveying wheels 552 for clamping and conveying plastic films 41 are disposed at an inlet of the guide slot 28, and the active conveying wheels 551 are connected to a first motor 56 through the transmission belt 553, and a sensor 591 for detecting a positioning mark 411 of the plastic films 41 is disposed at the bottom of the guide slot 28.
Referring to fig. 8 and 13, the transmission mechanism control circuit includes a controller 57, a first motor 56, a second motor 55, a plastic film positioning sensor 591 and an eccentric wheel positioning sensor 592 electrically connected to the controller respectively; when the machine is started or a piece of heat-shrinkable plastic film is used up, the controller 57 starts to drive the first motor 56 to drive the driving conveying wheel 552 to rotate in the forward direction, and under the coordination of the driven conveying wheel 551, the heat-shrinkable plastic film 41 is pushed forward to the pedal 31 after passing through the guide groove 28 and the gap between the driving pressing plate 21 and the driven pressing plate 22; when the plastic film positioning sensor 591 detects the positioning mark 411 on the heat shrinkable plastic film 41, sending an electric signal to the controller 57, stopping the power supply to the first motor 56 by the controller 57, simultaneously starting the operation of the second motor 55 to drive the eccentric wheel 52 to rotate, pushing the cutter module 2 to ascend by the eccentric wheel 52, after the heat shrinkable plastic film 41 is pressed by the driving pressure plate 21 and the driven pressure plate 22, cutting the heat shrinkable plastic film 41 by the cutter 253, integrally descending the cutter module 2 under the rotation of the eccentric wheel 52, and triggering the eccentric wheel positioning sensor 592 when the cutter module rotates to a lower positioning point, wherein the eccentric wheel positioning sensor 592 sends an electric signal to the controller 57 to stop the power supply to the second motor 55; at this time, the film feeding and cutting operations are all completed, and the film is ready for reuse.
Referring to fig. 10, 8 and 13, the plastic film 41 is prefabricated into an uneven anti-slip pattern 412, positioning marks 411 with a set length are arranged on the plastic film 41 at intervals, a plastic film positioning sensor 591 is arranged at the bottom of a guide slot of the conveying mechanism, and when the plastic film positioning sensor 591 detects the positioning marks 411 in the conveying process, a signal is transmitted to the controller 57, and the controller 57 sends out a command of stopping conveying and cutting off; in another embodiment, the transport wheel calculates the length of the plastic film 41 based on the number of turns, and the controller 57 instructs the stop of the transport and the cutting after the set length is reached.
Referring to fig. 1 to 13, a film coating method of a film coating type shoe cover machine includes the following steps:
firstly, a first motor 56 works to drive a driving conveying wheel 552 to rotate and convey a plastic film 41 to a pedal area 3;
secondly, when the plastic film 41 is conveyed to a set length, the plastic film positioning sensor 591 detects the positioning mark 411 on the plastic film 41, and the first motor 56 stops working;
the second motor 55 drives the eccentric wheel 52 to push the cutter module 2 to ascend, and the plastic film 41 is pressed against the driven pressing plate 22 by the driving pressing plate 21 and cannot slide;
fourthly, the second motor 55 continuously drives the eccentric wheel 52 to rotate, after the driving pressing plate 21 of the cutter module 2 is pushed against, the driving pressing plate 21 and the driven pressing plate 22 press the plastic film 41 tightly, the cutter 253 continuously rises, and the plastic film 41 is completely cut off at one time;
the eccentric wheel 52 is continuously driven to rotate by the second motor 55, the cutter module 2 descends to the original position, and the cut plastic film 41 is laid in the pedal area 3 to wait for use;
sixthly, after the user steps on the foot, the heater 16 in the air pipe 11 starts to heat, the fan 12 starts to work, natural air blows through the heater 16 in the air pipe 11, the temperature is increased to hot air 6, then the hot air is blown to the periphery of the foot, the plastic film 41 shrinks after being heated, the sole and the periphery of the shoe are wrapped, and one-time wearing is completed;
the heater 16 adopts a pulse power supply mode to supply power for heating instead of continuously supplying power all the time, when the machine starts to work, the ambient temperature is collected by the ambient temperature sensor 13, and the pulse frequency of the power supply of the heating wire is determined according to the ambient temperature; no matter the ambient temperature is high or low, the temperature of the air outlet 111 is within the set temperature range, when the ambient temperature is low, the temperature of the air blown into the heater 16 is low, more and more intensive electric pulses need to be provided for the heater 16 to generate enough heat, so that the natural wind is ensured to be heated to the set temperature in time; when the ambient temperature is relatively high, the power supply frequency of the heater 16 needs to be properly reduced to ensure the constant temperature of the air outlet 111; a hot air temperature sensor 14 is installed near the air outlet 111 to detect the temperature of the air outlet 111, the hot air temperature sensor 14 feeds the detected temperature back to the controller 57, and the power supply frequency of the heater 16 is adjusted in time to ensure that the air temperature of the air outlet 111 is kept within a set temperature range.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. A film-coated shoe cover machine comprises a hot air generator, a plastic film transmission mechanism, a hot air generator control circuit, a pedal area arranged at the top of the hot air generator, and a plastic film transmission mechanism and a plastic film winding roller sequentially arranged on one side of the pedal area, and is characterized in that air pipe air outlets of the hot air generator are arranged on two sides or the periphery of the pedal area, pedals are supported by springs and arranged above the air pipe air outlets, a pedal switch is arranged below the pedals, the pedal switch is triggered when the pedals descend, the pedals descend under the action of the pedal force of a user, the pedals stop after descending below the air pipe air outlets, a controller enables a heater to start heating, a fan starts working, air blown out by the fan is blown to the periphery of the feet after being heated by the heater, and the plastic film shrinks after being heated to wrap the soles and the periphery of the shoes to finish one-time wearing; the plastic film transmission mechanism consists of a cutter module, a transmission mechanism and a transmission mechanism control circuit which work in cooperation.
2. The film-coated shoe cover machine according to claim 1, wherein the hot air generator comprises a temperature sensor, a fan, a switching airtight box connected with an air outlet of the fan, a plurality of groups of air pipes connected with the switching airtight box, and a heater arranged in each air pipe.
3. The film covered shoe cover machine according to claim 2, wherein the hot air generator control circuit comprises a controller, a heater, a fan, a hot air temperature sensor, an ambient temperature sensor and a foot switch, which are respectively electrically connected with the controller; when a foot pedal is stepped on, a foot switch is triggered, the controller selects proper power supply frequency to supply power to the heater through the ambient temperature detected by the ambient temperature sensor, the fan starts to work at the same time, natural wind is sent into the wind pipe, the natural wind passes through the heated heater to become hot wind, the hot wind is blown out from the wind outlet and is blown onto the foot of a user, and the heat-shrinkable plastic film around the foot shrinks under the action of the hot wind and is wrapped on the sole and the periphery; the hot air temperature sensor feeds back the detected temperature to the controller, and the controller adjusts the power supply frequency for the heater or cuts off the power supply for the heater according to the fed-back temperature; when the feet are lifted or hot air is blown for a set time, the controller stops supplying power to the fan and the heater and stops working.
4. A film-coated shoe cover machine according to claim 1, wherein the cutter module comprises a pair of active press plates, a pair of passive press plates which are positioned above the pair of active press plates and fixedly arranged on the machine core in an aligned manner, a longitudinal separation cavity and a transverse separation cavity which are respectively formed between the pair of active press plates and between the pair of passive press plates, a cutter frame which is connected with the bottom of the active press plates through a spring, a cutter slot which is concavely arranged on the cutter frame and is communicated with the longitudinal separation cavity, and a pair of lugs which are positioned at the end parts of the cutter slot and respectively extend outwards along the parallel direction of the press plates, the cutter is placed in the cutter slot, the reset spring is connected between the cutter and the lug, the support seat is fixedly arranged on the machine core, the end parts of the tool rests positioned at the two sides of the lug are respectively connected with the end part of one end of the sliding lifting column, the sliding lifting column is vertically arranged with the pressure plate, and the support seat is provided with a through hole for positioning and moving the sliding lifting column; and a guide groove for guiding the plastic film to be conveyed is arranged on the side of the transverse separation cavity, and the plastic film is guided to a gap between the active pressing plate and the passive pressing plate in the cutter module by the guide groove.
5. A film-coated shoe cover machine according to claim 1, wherein said conveying mechanism comprises a pair of hinged transmission plates, one end of each of said pair of hinged transmission plates is pivotally connected to the other end of said sliding lifting column, the other end of each of said pair of hinged transmission plates is pivotally connected to a pair of eccentric wheels, the two axial ends of said concentric shaft are respectively connected to said eccentric wheels, a driving wheel is fixedly arranged on said concentric shaft and connected to a second motor through a transmission belt, a pair of passive conveying wheels and active conveying wheels for clamping and conveying plastic film tapes are arranged at the entrance of said guide groove, said active conveying wheels are connected to a first motor through a transmission belt, and a sensor for detecting the plastic film positioning marks is arranged at the bottom of said guide groove.
6. The film covered shoe cover machine according to claim 1, wherein the transmission mechanism control circuit comprises a controller, a first motor, a second motor, a plastic film positioning sensor and an eccentric wheel positioning sensor which are respectively electrically connected with the controller; when the machine is started or a piece of heat-shrinkable plastic film is used up, the controller starts to drive the first motor to drive the driving conveying wheel to rotate in the forward direction, and under the coordination of the driven conveying wheel, the heat-shrinkable plastic film is pushed forwards to the pedal plate after passing through the guide groove and the gap between the driving pressing plate and the driven pressing plate; when the plastic film positioning sensor detects a positioning mark on the heat shrinkable plastic film, sending an electric signal to the controller, stopping the power supply of the controller to the first motor, starting the second motor to work at the same time to drive the eccentric wheel to rotate, pushing the cutter module to ascend by the eccentric wheel, cutting off the heat shrinkable plastic film by the cutter after the heat shrinkable plastic film is tightly pressed by the driving pressing plate and the driven pressing plate, integrally descending the cutter module under the rotation of the eccentric wheel, triggering the eccentric wheel positioning sensor when the cutter module rotates to a lower positioning point, and sending the electric signal to the controller by the eccentric wheel positioning sensor to stop the power supply of the second motor; at this time, the film feeding and cutting operations are all completed, and the film is ready for reuse.
7. The film laminating type shoe cover machine according to claim 1, wherein the plastic film is prefabricated into concave-convex antiskid lines, positioning marks with set length are arranged on the plastic film at intervals, a sensor is arranged at the bottom of the guide groove of the conveying mechanism, and in the conveying process of the plastic film, after the sensor detects the positioning marks, a signal is transmitted to the controller, and the controller sends out a command of stopping conveying and cutting off; or the conveying wheel calculates the length of the plastic film according to the number of turns of rotation, and the controller sends out a command of stopping transmission and cutting after the set length is reached.
8. A method for coating a film on a film-coated shoe cover machine according to claim 1, which comprises the following steps:
the plastic film conveying device comprises a first motor, a driving conveying wheel, a pedal area, a first driving wheel, a second driving wheel, a first driving wheel and a second driving wheel, wherein the first motor works to drive the driving conveying wheel to rotate and convey a plastic film;
when the plastic film is conveyed to a set length, the sensor detects a positioning mark on the plastic film, and the first motor stops working;
the second motor drives the eccentric wheel to push the cutter module to ascend, and the plastic film is pressed against the driven pressing plate by the driving pressing plate and cannot slide;
the second motor continues to drive the eccentric wheel to rotate, after the driving pressing plate of the cutter module is jacked, the driving pressing plate and the driven pressing plate compress the plastic film, the cutter continues to ascend, and the plastic film is completely cut off at one time;
fifthly, the second motor continues to drive the eccentric wheel to rotate, the cutter module descends to the original position, and the cut plastic film is laid in the pedal area to be used;
sixthly, after the user steps on the foot, the heater in the air pipe starts to heat, the fan starts to work, natural air blows through the heater in the air pipe, the temperature is increased to hot air and then the hot air is blown to the periphery of the foot, the plastic film shrinks after being heated, the sole and the periphery of the shoe are wrapped, and one-time wearing is completed.
9. The film covering method of the film covering type shoe cover machine according to claim 8, wherein the heater is powered and heated in a pulse power supply mode instead of continuously powered and heated all the time, when the machine starts to work, an ambient temperature sensor is used for collecting ambient temperature, and the pulse frequency of power supply of the heating wires is determined according to the ambient temperature; no matter the environment temperature is high or low, the temperature of the air outlet is in a set temperature range, when the environment temperature is low, the temperature of air blown into the heater is low, more intensive electric pulses need to be provided for the heater to generate enough heat, and the natural wind is guaranteed to be heated to the set temperature in time; when the ambient temperature is relatively high, the power supply frequency of the heater needs to be properly reduced to ensure the constant temperature of the air outlet; and a hot air temperature sensor is arranged near the air outlet and used for detecting the temperature of the air outlet, the hot air temperature sensor feeds the detected temperature back to the controller, the power supply frequency of the heater is adjusted in time, and the air temperature of the air outlet is ensured to be kept within a set temperature range.
10. The film covering method of the film covering type shoe cover machine according to claim 8, wherein the plastic film is prefabricated into the anti-slip lines with concave and convex points, and the anti-slip effect is achieved when the plastic film is wrapped on the sole.
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| CN202010879803.4A CN111938399A (en) | 2020-08-27 | 2020-08-27 | Film-coated shoe cover machine and film coating method thereof |
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| CN202010879803.4A CN111938399A (en) | 2020-08-27 | 2020-08-27 | Film-coated shoe cover machine and film coating method thereof |
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| CN113768334A (en) * | 2021-09-23 | 2021-12-10 | 南昌大学第一附属医院 | Automatic shoe cover wearing device used in operating room |
| CN116807218A (en) * | 2022-09-15 | 2023-09-29 | 南京苏能自动化设备有限公司 | Antistatic shoe cover machine, coating mechanism thereof and consumable cloth |
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