Disclosure of Invention
The invention provides an ultraviolet-proof glass film coating device and aims to solve the problem.
The invention is realized in such a way that an ultraviolet-proof glass film coating device comprises a rack and a film coating unit arranged on the rack, wherein the film coating unit comprises a first motor, a turntable, a side plate, a supporting plate, a pin shaft and a film rolling roller;
the film winding machine is characterized in that the first motor is mounted on the frame, a rotary table is mounted on an output shaft of the first motor, a side plate is arranged on one side of the rotary table, one end of the side plate is hinged with the frame, and a film winding roller is mounted at the other end of the side plate;
the glass supporting device is characterized in that a pin shaft is eccentrically fixed on the turntable, a movable groove for the pin shaft to penetrate through and move is formed in the side plate, and a supporting plate for supporting glass is fixed below the movable groove on the side plate.
Preferably, the film rolling roller is provided with at least one film rolling roller, the film rolling roller is installed on the side plate through an adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the film rolling roller and the surface of the glass.
Preferably, adjustment mechanism is including installation pole, elastic rod, internal thread cover and adjusting screw, installation pole middle part is rotated with the curb plate and is connected, still installs the torsional spring between installation pole and the curb plate, and the film roller rotates to be installed in the one end that the installation pole is close to the curb plate tip, and the installation pole other end articulates there is the elastic rod, and adjusting screw rotates to be installed on the curb plate, and threaded connection has the internal thread cover on the adjusting screw, and the elastic rod is articulated with the internal thread cover.
Preferably, the film laminating machine further comprises a heating unit, the heating unit is arranged above the film laminating unit, the heating unit comprises an air injection pipe and a power mechanism used for driving the air injection pipe to reciprocate, the power mechanism comprises a driving motor, a disc and a swing rod, the driving motor is installed on the rack, the disc is installed on an output shaft of the driving motor, the swing rod is arranged on one side, away from the driving motor, of the disc, the air injection pipe is installed at one end, close to the film laminating unit, of the swing rod, the other end of the swing rod is hinged to the rack, a cylindrical pin is eccentrically fixed on the disc, and a moving groove for the cylindrical pin to insert and move is formed in the swing rod.
Preferably, the glass plate conveying device further comprises a feeding unit, the feeding unit is located on one side, far away from the turntable, of the supporting plate and used for automatically conveying the glass plates to the supporting plate, the feeding unit comprises a feeding frame and a material pushing mechanism, the feeding frame is fixed on the rack, a discharging hole is formed in the bottom of one side, close to the supporting plate, of the feeding frame, the upper surface of the supporting plate is not higher than the discharging hole, and the material pushing mechanism is used for pushing glass on the feeding frame to move to the supporting plate from the discharging hole.
Preferably, pushing equipment includes second motor, movable sleeve, lead screw and push pedal, the lead screw rotates and installs in last work or material rest bottom, and second motor drive connects the lead screw, and threaded connection has the movable sleeve on the lead screw, and fixed mounting has the push pedal on the movable sleeve, and the push pedal extends to work or material rest inner chamber bottom, and it is equipped with the guide way that supplies the short-bar motion to go up the work or material rest bottom, and at first, the push pedal is located one side that the discharge gate was kept away from to last work or material rest, and the distance of push pedal upper surface and last work or material rest inner chamber bottom is not more than a glass's thickness.
Preferably, the cleaning assembly used for cleaning glass is installed at a position, located at the discharge port, of the feeding frame and comprises a shell, a cleaning roller and a dust collector, the shell is installed on the upper side and the lower side of the discharge port, the shell is close to an opening in one side of the discharge port, the cleaning roller is installed in the shell in a rotating mode, a power motor used for driving the cleaning roller to rotate is arranged at one end of the shell, a part of roller body of the cleaning roller extends to the outside of the shell through the opening, a cavity is formed in the wall of the shell, the dust collector is communicated with the cavity through a dust collection pipe, dust collection holes are evenly formed in the inner wall of the shell, and a comb rake in contact with the cleaning roller is further installed on the inner wall of the shell.
Preferably, the shells are hinged to the feeding frame, the two shells on the feeding frame are rotatably mounted with the same side, the two opposite eccentric positions on the rotating part are respectively hinged to a connecting rod part, and the connecting rod part is hinged to the adjacent shells.
Preferably, an output conveyor belt is arranged on one side of the frame, which is far away from the side plate, of the film rolling roller, a cutting unit is arranged between the output conveyor belt and the film rolling roller, the cutting unit is positioned below the output conveyor belt and comprises a bracket, an electromagnet, a cutter and a support rod, the electromagnet is arranged on the bracket, a cutter is arranged above the electromagnet, the cutter is movably arranged on the bracket up and down, an iron block matched with the electromagnet is arranged on the cutter, a spring is connected between the cutter and the bracket, the cutter is driven to move upwards by the elasticity of the spring, the support is provided with a supporting rod on one side of the cutter, the bottom end of the supporting rod is inserted into the sleeve, the sleeve is fixed on the support, the bottom end of the supporting rod is fixedly provided with a pressure sensor, an elastic piece is arranged below the pressure sensor in the sleeve, the pressure sensor is electrically connected with the electromagnet, and in an initial state, the top end of the supporting rod is higher than the top end of the cutter.
Preferably, still including the wiped film subassembly, the wiped film subassembly is located output conveyer belt top, the wiped film subassembly includes electric putter, track, scraper blade, driving-disc, drive connecting rod and installation piece, output conveyer belt's upper band body downside is equipped with the flat board, installs vertical electric putter in the frame, and the track is installed to electric putter's telescopic link tip, slidable mounting has the installation piece on the track, and the slip orbit of installation piece is the slash, it installs the third motor to lie in track one side in the frame, installs the driving-disc on the output shaft of third motor, and eccentric articulated on the driving-disc has drive connecting rod, and the one end that the driving-disc was kept away from to the drive connecting rod is articulated with the installation piece, is fixed with the inserted bar on the installation piece, the activity has cup jointed the scraper blade on the inserted bar, is connected with the spring between scraper blade and the inserted bar.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the ultraviolet-proof glass film coating device provided by the invention passes through.
1. The film laminating machine is provided with a film laminating unit, wherein the film laminating unit comprises a first motor, a rotary table, a side plate, a supporting plate, a pin shaft and a film winding roller; the first motor drives the turntable to rotate, the turntable drives the pin shaft to revolve, the pin shaft drives the side plate and the support plate on the side plate to swing, when the pin shaft moves in the movable groove, the glass is pushed to move, and when the glass moves, the film on the film rolling roller is gradually attached to the whole glass surface, so that the film laminating operation is completed, the structure is simple and ingenious, and the film laminating efficiency is high;
2. the heating unit is arranged above the film coating unit and comprises an air injection pipe and a power mechanism for driving the air injection pipe to reciprocate, the power mechanism comprises a driving motor, a disc and a swing rod, the driving motor drives the disc to rotate, the disc drives the swing rod to reciprocate through a cylindrical pin, and the swing rod drives the air injection pipe to reciprocate, so that the heating range is expanded, glass can be fully and uniformly heated, and the film and the glass can be attached;
3. the automatic feeding and discharging device is provided with the feeding unit and the output conveyor belt, so that automatic feeding and discharging can be realized, the automation degree is high, and the working efficiency is improved;
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Examples
In one embodiment of the invention, the ultraviolet-proof glass film coating device comprises a frame 1 and a film coating unit arranged on the frame 1, wherein the film coating unit comprises a first motor 20, a rotary disc 10, a side plate 13, a support plate 14, a pin shaft 16 and a film winding roller 7;
the first motor 20 is mounted on the frame 1 and can be mounted through screws or welding, in this embodiment, a screw mounting mode is preferably adopted, the first motor 20 is preferably a stepping motor, a rotating disc 10 is mounted on an output shaft of the first motor 20, a side plate 13 is arranged on one side of the rotating disc 10, one end of the side plate 13 is hinged with the frame 1, and a film rolling roller 7 is mounted at the other end of the side plate 13;
a pin shaft 16 is eccentrically fixed on the rotary table 10, the pin shaft 16 is preferably welded on the rotary table 10, a movable groove 15 through which the pin shaft 16 penetrates and moves is formed in the side plate 13, a supporting plate 14 for supporting glass is fixed below the movable groove 15 on the side plate 13, further, the length of the pin shaft 16 is not less than half of the length of the supporting plate 14, the upper surface of the preferred supporting plate 14 has a height difference with the bottom of the movable groove 15, and the height difference is less than the thickness of one piece of glass, so that a step is formed to prevent the glass from entering the movable groove 15;
during operation, as shown in fig. 1, the first motor 20 drives the rotary table 10 to rotate, the rotary table 10 drives the pin shaft 16 to revolve, the pin shaft 16 drives the side plate 13 and the support plate 14 thereon to swing, the pin shaft 16 pushes the glass to move when moving in the movable groove 15, and the film on the film winding roller 7 is gradually attached to the whole glass surface when the glass moves, so that the film laminating operation is completed.
In one embodiment of the present invention, at least one film winding roller 7 is provided, and naturally, according to the requirement of glass film coating, the film winding rollers 7 may be provided on one side or both sides of the glass, and the number of the film winding rollers 7 is adaptively designed, but not limited in this embodiment, the film winding rollers 7 are mounted on the side plate 13 by an adjusting mechanism for adjusting the distance between the film winding rollers 7 and the glass surface, and the size of the film winding rollers 7 is reduced with the progress of film coating operation, so that adjustment is required.
In a further preferred embodiment of the invention, the adjusting mechanism comprises a mounting rod 8, an elastic rod 9, an internal thread sleeve 11 and an adjusting screw 12, the middle part of the mounting rod 8 is rotatably connected with a side plate 13, a torsion spring is further arranged between the mounting rod 8 and the side plate 13, the acting force of the torsion spring on the mounting rod 8 can enable one end of the mounting rod 8, which is provided with the film rolling roller 7, to move towards the side away from the glass, the film rolling roller 7 is rotatably arranged at one end of the mounting rod 8, which is close to the end part of the side plate 13, the other end of the mounting rod 8 is hinged with the elastic rod 9, the adjusting screw 12 is rotatably arranged on the side plate 13, the adjusting screw 12 is in threaded connection with the internal thread sleeve 11, the elastic rod 9 is hinged with the internal thread sleeve 11, the adjusting screw 12 is rotated to drive the internal thread sleeve 11 to move, the internal thread sleeve 11 drives the mounting rod 8 to rotate through the elastic rod 9, the mounting rod 8 drives the film rolling roller 7 to rotate, the position of the film rolling roller 7 is adjusted, on one hand, the film rolling roller can adapt to glass with different thicknesses, on the other hand, due to the design of the elastic rod 9 and the existence of elasticity, film pressing force between the film rolling roller 7 and the glass can be adjusted and changed, the improvement of film coating quality is facilitated, different film coating requirements are met, adaptability is improved, and the adjusting mechanism can also be a screw rod 27 mechanism, a telescopic rod mechanism and the like, so that the embodiment is not limited.
In one embodiment of the invention, the heating device further comprises a heating unit, the heating unit is arranged above the film covering unit, the heating unit comprises an air injection pipe 17 and a power mechanism for driving the air injection pipe 17 to reciprocate, the power mechanism comprises a driving motor, a disc 19 and a swing rod 18, the driving motor is arranged on the frame 1, the disc 19 is arranged on an output shaft of the driving motor, the swing rod 18 is arranged on one side of the disc 19 away from the driving motor, the air injection pipe 17 is arranged at one end of the swing rod 18 close to the film covering unit, the other end of the swing rod is hinged with the frame 1, a cylindrical pin is eccentrically fixed on the disc 19, a moving groove for the cylindrical pin to insert and move is formed in the swing rod 18, a hot air pipe is connected on the air injection pipe 17, after the glass on the side plate 13 and the supporting plate 14 drive the glass to rotate upwards to be close to a heating station of the heating unit, the first motor 20 is controlled to stop rotating, the glass keeps static, the jet pipe 17 sprays hot air to the glass, the driving motor drives the disc 19 to rotate, the disc 19 drives the swing rod 18 to swing in a reciprocating mode through the cylindrical pin, the swing rod 18 drives the jet pipe 17 to swing in a reciprocating mode, the heating range is expanded, the glass can be fully and uniformly heated, the laminating of a film and the glass is facilitated, further, the power mechanism can be a crank connecting rod mechanism, a crank sliding block mechanism, a lead screw 27 transmission mechanism and the like, and the jet pipe 17 can be driven to move in a reciprocating mode.
As shown in fig. 3 to 4, in an embodiment of the present invention, the present invention further includes a feeding unit, the feeding unit is located on one side of the supporting plate 14 away from the turntable 10, and is configured to automatically convey the glass sheet onto the supporting plate 14, the feeding unit includes a feeding frame 22 and a material pushing mechanism, the feeding frame 22 is fixed on the rack 1, a material outlet is arranged at a bottom of one side of the feeding frame 22 close to the supporting plate 14, an upper surface of the supporting plate 14 is not higher than the material outlet, the material pushing mechanism is configured to push the glass on the feeding frame 22 to move from the material outlet onto the supporting plate 14, and when the film covering unit is in the state shown in fig. 1, the supporting plate 14 is horizontal, and thus the feeding can be performed.
In a further preferred embodiment of the present invention, the pushing mechanism includes a second motor 29, a movable sleeve 28, a screw 27 and a push plate 30, the screw 27 is rotatably mounted at the bottom of the feeding frame 22, the second motor 29 is connected to the screw 27 in a driving manner, the screw 27 is in threaded connection with the movable sleeve 28, the push plate 30 is fixedly mounted on the movable sleeve 28, the push plate 30 extends to the bottom of the inner cavity of the feeding frame 22, a guide slot for the movement of a short rod is provided at the bottom of the feeding frame 22, initially, the push plate 30 is located at a side of the feeding frame 22 away from the discharge port, the distance between the upper surface of the push plate 30 and the bottom of the inner cavity of the feeding frame 22 is not more than the thickness of a piece of glass, the second motor 29 is preferably a forward and reverse rotation motor, or the screw 27 is a reciprocating screw 27, the screw 27 drives the screw 27 to rotate, the movable sleeve 28 drives the push plate 30 to move, so as to push the glass, and further, the pushing mechanism can also be an electric push rod 31, a hydraulic rod, a slider-crank mechanism and the like, and is not limited.
In one embodiment of the invention, a cleaning assembly for cleaning glass is mounted on the feeding frame 22 at the discharge port, the cleaning assembly comprises a housing 23, a cleaning roller 25 and a dust collector 21, the housing 23 is mounted on both the upper side and the lower side of the discharge port, an opening is formed in one side of the housing 23 close to the discharge port, the cleaning roller 25 is rotatably mounted in the housing 23, a power motor for driving the cleaning roller 25 to rotate is arranged at one end of the housing 23, a part of a roller body of the cleaning roller 25 extends to the outside of the housing 23 from the opening, a cavity is formed in the wall of the housing 23, the dust collector 21 is communicated with the cavity through a dust collecting pipe, dust collecting holes are uniformly formed in the inner wall of the housing 23, a comb harrow contacting with the cleaning roller 25 is further mounted on the inner wall of the housing 23, when glass is pushed out from the discharge port, dust on the surface of the glass can be cleaned due to the contact between the two cleaning rollers 25 and the cleaning roller 25, meanwhile, when the cleaning roller 25 rotates, dust on the cleaning roller 25 is sucked into the dust collector 21 through the dust suction hole in the shell 23, and the comb rake can disturb the cleaning brush on the surface of the cleaning roller 25, so that the dust on the cleaning roller 25 is fully exposed, the cleaning effect of the cleaning roller 25 is ensured, and the cleaning efficiency is improved.
In a further preferred embodiment of the present invention, the housing 23 is hinged to the feeding frame 22, the rotating member 24 is rotatably mounted on the same side of the two housings 23 on the feeding frame 22, the connecting rod members 26 are hinged to two opposite eccentric positions on the rotating member 24, the connecting rod members 26 are hinged to the adjacent housings 23, the rotating member 24 drives the connecting rod members 26 to move by rotating the rotating member 24, and the connecting rod members 26 drive the housings 23 and the cleaning rollers 25 thereon to rotate around the hinge point, so that the two cleaning rollers 25 approach or separate from each other, on one hand, the cleaning pressure is adjusted to adapt to glasses with different thicknesses, on the other hand, the cleaning effect is improved, and when adjustment is not needed, the position of the rotating member 24 can be fixed by bolts.
As shown in fig. 1-2, in one embodiment of the present invention, an output conveyor belt 2 is installed on one side of a film winding roller 7 away from a side plate 13 of a frame 1, a cutting unit is installed between the output conveyor belt 2 and the film winding roller 7, the cutting unit is located and comprises a support 3, an electromagnet 4, a cutter 5 and a support rod 6, the support 3 is located below the output conveyor belt 2, the electromagnet 4 is installed on the support 3, the cutter 5 is arranged above the electromagnet 4, the cutter 5 is movably installed on the support 3 up and down, an iron block matched with the electromagnet 4 is installed on the cutter 5, a spring is connected between the cutter 5 and the support 3, the cutter 5 is driven by the elasticity of the spring to move upwards, the support rod 6 is installed on one side of the cutter 5 on the support 3, the bottom end of the support rod 6 is inserted into a sleeve, the sleeve is fixed on the support 3, a pressure sensor is fixed at the bottom end of the support rod 6, be located the pressure sensor below in the sleeve and be equipped with the elastic component, pressure sensor is connected with 4 electricity of electro-magnet, under the initial condition, the height that highly is higher than 5 tops of cutter on branch 6 tops, glass on it is driven at the tectorial membrane unit rotates downwards until the horizontal in-process, glass is earlier with branch 6 contact and push down branch 6, branch 6 downstream extrusion spring makes pressure sensor's numerical value increase, pressure sensor passes through the circular telegram of controller control electro-magnet 4, the suction of electro-magnet 4 makes 5 quick downstream of cutter to the glass below, wait until glass follow output conveyor 2 movements, separate until glass end and branch 6, 6 upward movements of branch make pressure sensor get back to initial vertical, 4 outage of electro-magnet, 5 quick upward movements of cutter cut off the membrane under the spring action.
As shown in fig. 5-6, in an embodiment of the present invention, the present invention further includes a film scraping assembly, the film scraping assembly is located above the output conveyor belt 2, the film scraping assembly includes an electric push rod 31, a rail 32, a scraper 36, a driving disk 33, a driving link 34 and a mounting block 35, a flat plate is disposed on a lower side of an upper belt body of the output conveyor belt 2, the vertical electric push rod 31 is mounted on the frame 1, the rail 32 is mounted on an end portion of an expansion link of the electric push rod 31, the mounting block 35 is slidably mounted on the rail 32, a sliding track of the mounting block 35 is an oblique line, a third motor is mounted on one side of the rail 32 on the frame 1, the driving disk 33 is mounted on an output shaft of the third motor, the driving disk 33 is eccentrically hinged to the driving link 34, one end of the driving link 34 away from the driving disk 33 is hinged to the mounting block 35, an insert rod is fixed to the mounting block 35, the insert rod is movably sleeved with the scraper 36, be connected with the spring between scraper blade 36 and the inserted bar, when glass is on output conveyer belt 2, drive track 32 and scraper blade 36 motion through electric putter 31, adjust the distance with glass, adapt to the glass of different thickness, drive driving-disc 33 rotates through the third motor drive, driving-disc 33 drives drive connecting rod 34 motion, drive connecting rod 34 drives installation piece 35 and moves along the slash orbit, installation piece 35 drives scraper blade 36 along slash orbit reciprocating motion, carry out reciprocal frizing, the frizing effect has been improved, it is further right, can know, like fig. 5-6, when scraper blade 36 moves to the left side, squeeze the air between membrane and the glass constantly left, scraper blade 36 increases gradually the pressure of glass simultaneously, can be better extrude the air, the frizing effect is better.
The working principle of the invention is as follows: when the glass heating device works, a plurality of pieces of glass are stacked on the material loading frame 22, the screw rod 27 is driven to rotate by the second motor 29, the screw rod 27 drives the movable sleeve 28 to move, the movable sleeve 28 drives the push plate 30 to move to push a piece of glass, the glass moves to the supporting plate 14 from the material outlet, the push plate 30 returns to the initial position, meanwhile, the first motor 20 drives the rotary table 10 to rotate, the rotary table 10 drives the pin shaft 16 to revolve, the pin shaft 16 drives the side plate 13 and the supporting plate 14 on the side plate to swing, the supporting plate 14 drives the glass on the supporting plate to rotate upwards to be close to a heating station of the heating unit, the first motor 20 is controlled to stop rotating, the glass keeps static, the air injection pipe 17 injects hot air to the glass, the driving motor drives the disc 19 to rotate, the disc 19 drives the oscillating bar 18 to oscillate back and forth by the cylindrical pin, the oscillating bar 18 drives the air injection pipe 17 to oscillate back and forth, the heating range is expanded, and the glass can be heated sufficiently and uniformly, the laminating of film and glass is facilitated, the first motor 20 rotates subsequently, when the pin shaft 16 moves in the movable groove 15, the glass is pushed to move, when the glass moves, the film on the film rolling roller 7 is gradually pasted on the surface of the whole glass, the laminating operation is completed, the structure is simple and ingenious, the laminating efficiency is high, when the laminating unit drives the glass on the laminating roller to rotate downwards until the glass is horizontal, the glass is firstly contacted with the supporting rod 6 and presses the supporting rod 6 downwards, the supporting rod 6 moves downwards to extrude the spring to increase the numerical value of the pressure sensor, the pressure sensor controls the electromagnet 4 to be powered on through the controller, the cutter 5 moves downwards quickly to the position below the glass through the suction force of the electromagnet 4 until the glass moves along with the output conveyor belt 2 until the tail end of the glass is separated from the supporting rod 6, the supporting rod 6 moves upwards to enable the pressure sensor to return to be vertical initially, the electromagnet 4 is powered off, the cutter 5 moves upwards quickly to cut off the film under the action of the spring, most of glass falls on output conveyer belt 2, carries forward through output conveyer belt 2, drives driving-disc 33 through the third motor and rotates, and driving-disc 33 drives drive connecting rod 34 motion, and drive connecting rod 34 drives installation piece 35 and moves along the slash orbit, and installation piece 35 drives scraper 36 and reciprocates along the slash orbit, carries out reciprocal wiped film, has improved the wiped film effect.
It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.