Disclosure of Invention
In order to solve the problems, the embodiment designs a metal plate film covering device with an adjusting function, the metal plate film covering device with the adjusting function comprises a film covering box, a film covering cavity, a transmission cavity and a cutting cavity are arranged in the film covering box, the transmission cavity and the cutting cavity are arranged below the film covering cavity, the cutting cavity is arranged at the right side of the transmission cavity, a rotating shaft is rotatably arranged on the front wall of the film covering cavity, a driving chain wheel is fixedly arranged on the rotating shaft, a chain is meshed with the driving chain wheel, a driven chain wheel is meshed with one side of the chain far away from the driving chain wheel, a metal plate is placed at the upper end of the chain, a material wheel and a pressing wheel are rotatably arranged on the rear wall of the film covering cavity, a plastic film is fixedly arranged on the material wheel, one end, far away from the material wheel, of the plastic film is arranged between the bottom of the pressing wheel and the metal plate, a ratchet bar is arranged in the film covering cavity in a sliding manner, the left end of the ratchet bar is fixedly connected with a pull rod, a control rod is fixedly arranged above the ratchet bar and used for controlling the ratchet bar to move only to the right, the left end of the pull rod is rotatably connected with a tension wheel, the plastic film is tensioned by the tension force of the tension wheel towards the right, an L-shaped rod is hinged on the rear wall of the film covering cavity, the upper end of the L-shaped rod is fixedly provided with the ratchet bar which is meshed with the ratchet bar, the bottom of the L-shaped rod is fixedly provided with a push rod, an adjusting cavity is arranged in the film covering box, an adjusting block is arranged in the adjusting cavity in a sliding manner, the lower end of the push rod is fixedly connected with the adjusting block, the upper wall of the adjusting cavity is fixedly provided with a fixed rod, a crimping rod is hinged in the adjusting block, a spring is fixedly arranged on the, the chain drives the driven sprocket to rotate, the metal plate is driven to move from left to right, the pinch roller is driven to rotate anticlockwise by the friction force of the metal plate, the plastic film is pressed between the pinch roller and the metal plate, so that a film is coated on the metal plate, the plastic film at the lower end is driven to move right, the material wheel is driven to rotate clockwise, when the metal plate moves to the bottom of the adjusting block, detection is carried out, when the plastic film and the metal plate are folded, the adjusting block is driven to ascend, the push rod drives the L-shaped rod to swing clockwise, the stroke of the adjusting block is amplified by utilizing the lever principle of the L-shaped rod, the ratchet bar is driven to move right, and the tension wheel is driven to move right by the pull rod, the plastic film is tensioned, so that wrinkles are reduced, when the wrinkles are reduced, the adjusting block moves downwards under the action of the spring to drive the L-shaped rod to move leftwards, the ratchet bar keeps unchanged in position under the action of the control rod, when the wrinkles are overlarge, the pleating rod is contacted with the fixed rod to push the pleating rod to move downwards, so that the wrinkles are flattened, the center of the metal plate is taken as a symmetry center, the bottom of the film coating cavity is symmetrically and rotationally provided with an optical axis in a front-back mode, the upper end of the optical axis is fixedly connected with a turntable, the upper end face of the turntable is hinged with a scraping plate, the optical axis is rotated to drive the turntable to rotate, the scraping plate is driven to move relative to the surface of the metal plate, and the surface of the metal plate is polished.
Preferably, a main motor is fixedly arranged in the transmission cavity, the front end of the main motor is in power connection with an output shaft, the output shaft is fixedly connected with a driving bevel gear and a driving gear, the driving gear is positioned on the front side of the driving bevel gear, the front end face of the driving gear is hinged with a connecting rod, the driving gear is in meshed connection with a driven gear, a swing rod is hinged at the rotation center of the driven gear, one end, far away from the driving gear, of the connecting rod is hinged with the swing rod, the driven gear is in meshed connection with a connecting gear, one end, far away from the hinged part of the connecting rod and the swing rod, of the swing rod is hinged with the connecting gear, the connecting gear is in meshed connection with a planet wheel, the rear end of the rotating shaft is fixedly connected with a belt, the driven bevel gear is fixedly connected with an optical axis, the main motor is started to drive the output shaft to rotate, the driving bevel gear drives the driven bevel gear to rotate so as to drive the optical axis to rotate, the driving gear is driven to rotate by the output shaft to drive the driven gear to rotate so as to drive the connecting gear to rotate, so that the planet gear is driven to rotate, the belt wheel is driven to rotate by the belt, meanwhile, the driving gear rotates to drive the left end of the connecting rod to rotate around the rotating center of the driving gear, so that the oscillating rod is driven to oscillate at a variable speed around the rotating center of the driven gear, the connecting gear is driven to rotate at a variable speed, and when the rotating speed of the connecting gear around the oscillating rod is equal to the self-rotating speed of the connecting gear, the rotation of the planet gear.
Preferably, the cutting cavity is fixedly provided with an auxiliary motor, the auxiliary motor is taken as a symmetry center, the auxiliary motor is connected with a power shaft in a front-back symmetrical power mode, one end of the power shaft, far away from the auxiliary motor, is fixedly connected with a cam, push rods are symmetrically hinged on the front wall and the back wall of the cutting cavity, the bottoms of the push rods are slightly contacted with the cam, the middle of each push rod is hinged with a hinged rod, two sides of each hinged rod are hinged and connected through a lower cutting block, an upper cutting block is fixedly arranged right above the lower cutting block, the auxiliary motor is started, the cam is driven to rotate through the power shaft, the push rods are driven to swing around the hinged positions of the push rods and the inner wall of the cutting cavity clockwise through the rotation of the cam, the hinged rods are driven to swing, and the length of the hinged rods around the swing centers of the hinged rods and the rotation center of the lower cutting block is shorter than that of the, thereby drive the lower cutting block rises, realize cutting out the metal sheet after the tectorial membrane through the upper cutting block.
Preferably, a sensor is arranged below the chain, the sensor controls the auxiliary motor to rotate, and when the sensor detects that the chain stops, the auxiliary motor is started.
The invention has the beneficial effects that: the adjusting block is moved upwards to drive the ratchet strip to move rightwards to tension the tensioning wheel, so that tensioning of the plastic film is adjusted, cleaning of the metal plate before film covering is achieved by the aid of the scraper, intermittent stopping is achieved after the metal plate is conveyed for a certain length by the aid of the planetary gear train, cutting is facilitated, film covering on the surface of the metal plate is achieved, smoothness of the plastic film on the surface of the metal plate is improved, and time and energy for manual tensioning control are reduced.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a metal plate film covering device with an adjusting function, which comprises a film covering box 33, wherein a film covering cavity 43, a transmission cavity 32 and a cutting cavity 18 are arranged in the film covering box 33, the transmission cavity 32 and the cutting cavity 18 are positioned below the film covering cavity 43, the cutting cavity 18 is positioned at the right side of the transmission cavity 32, a rotating shaft 34 is rotatably arranged on the front wall of the film covering cavity 43, a driving chain wheel 24 is fixedly arranged on the rotating shaft 34, a chain 21 is meshed with the driving chain wheel 24, a driven chain wheel 19 is meshed with one side of the chain 21 far away from the driving chain wheel 24, a metal plate 35 is arranged at the upper end of the chain 21, a material wheel 39 and a pinch roller 22 are rotatably arranged on the rear wall of the film covering cavity 43, a plastic film 38 is fixedly arranged on the material wheel 39, one end of the plastic film 38 far away from the material wheel 39 is positioned between the bottom of the pinch roller 22 and the metal plate 35, a ratchet bar 11 is arranged in the film covering cavity 43 in a sliding manner, the left end of the ratchet bar 11 is fixedly connected with a pull rod 36, a control rod 57 is fixedly arranged above the ratchet bar 11, the control rod 57 controls the ratchet bar 11 to move only to the right, the left end of the pull rod 36 is rotatably connected with a tension wheel 37, the plastic film 38 is tensioned by the tension force of the tension wheel 37 to the right, an L-shaped rod 40 is hinged to the rear wall of the film covering cavity 43, a ratchet rod 41 is fixedly arranged at the upper end of the L-shaped rod 40, the ratchet rod 41 is meshed with the ratchet bar 11, a push rod 49 is fixedly arranged at the bottom of the L-shaped rod 40, an adjusting cavity 42 is arranged in the film covering box 33, an adjusting block 46 is arranged in the adjusting cavity 42 in a sliding manner, the lower end of the push rod 49 is fixedly connected with the adjusting block 46, a fixing rod 48 is fixedly arranged on the upper wall of the adjusting cavity 42, a crimping rod 45 is hinged in the adjusting block 46, and a, the rotating shaft 34 is rotated to drive the belt 25 to rotate, the chain 21 drives the driven sprocket 19 to rotate, the metal plate 35 is driven to move from left to right, the pinch roller 22 is subjected to the friction force of the metal plate 35 to drive the pinch roller 22 to rotate anticlockwise, the plastic film 38 is subjected to the pressure between the pinch roller 22 and the metal plate 35, so that a film is coated on the metal plate 35, the plastic film 38 at the lower end is driven to move right, the material wheel 39 is driven to rotate clockwise, when the metal plate 35 moves below the adjusting block 46, detection is carried out, when the plastic film 38 and the metal plate 35 are wrinkled, the adjusting block 46 is driven to ascend, the push rod 49 drives the L-shaped rod 40 to swing clockwise, and the stroke of the adjusting block 46 is amplified by using the lever principle of the L-shaped rod 40, the ratchet bar 11 is pushed by the ratchet rod 41 to move to the right, the tension wheel 37 is driven by the pull rod 36 to move to the right, so that the plastic film 38 is tensioned, wrinkles are reduced, when wrinkles are reduced, the adjusting block 46 moves downwards under the action of the spring 47, so that the L-shaped rod 40 is driven to move to the left, the position of the ratchet bar 11 is kept unchanged under the limitation of the control rod 57, when wrinkles are too large, the crimping rod 45 contacts the fixing rod 48, the crimping rod 45 is pushed to move downwards, so that the wrinkles are flattened, the bottom of the film coating cavity 43 is symmetrically and rotationally provided with an optical axis 54 with the midpoint of the metal plate 35 as the symmetrical center, the upper end of the optical axis 54 is fixedly connected with a turntable 56, the upper end face of the turntable 56 is hinged with the scraper 23, the optical axis 54 is rotated, the turntable 56 is driven to rotate, so that the scraper 23 and the surface of the metal plate 35 are driven to move relatively, thereby grinding the surface of the metal plate 35.
Advantageously, a main motor 50 is fixedly arranged in the transmission cavity 32, the front end of the main motor 50 is in power connection with an output shaft 53, the output shaft 53 is fixedly connected with a driving bevel gear 51 and a driving gear 31, the driving gear 31 is positioned at the front side of the driving bevel gear 51, the front end surface of the driving gear 31 is provided with a connecting rod 30 in an articulated manner, the driving gear 31 is in engaged connection with a driven gear 27, the rotation center of the driven gear 27 is provided with an oscillating rod 29 in an articulated manner, one end of the connecting rod 30 far away from the driving gear 31 is in articulated connection with the oscillating rod 29, the driven gear 27 is in engaged connection with a connecting gear 28, one end of the oscillating rod 29 far away from the connecting rod 30 in articulated connection with the oscillating rod 29 is in articulated connection with the connecting gear 28, the connecting gear 28 is in engaged connection with a planet wheel 26, the rear, the driving bevel gear 51 is engaged with a driven bevel gear 52, the driven bevel gear 52 is fixedly connected with an optical axis 54, the main motor 50 is started to drive the output shaft 53 to rotate, the driven bevel gear 52 is driven to rotate by the driving bevel gear 51, so as to drive the optical axis 54 to rotate, the driving gear 31 is driven to rotate by the output shaft 53, so as to drive the driven gear 27 to rotate, so as to drive the connecting gear 28 to rotate, so as to drive the planet wheel 26 to rotate, so as to drive the belt wheel 55 to rotate by the belt 25, meanwhile, the driving gear 31 rotates to drive the left end of the connecting rod 30 to rotate around the rotating center of the driving gear 31, so as to drive the oscillating rod 29 to oscillate at variable speed around the rotating center of the driven gear 27, so as to drive the connecting gear 28 to rotate at variable speed, when the rotating speed of the connecting gear 28 around the oscillating rod 29 is equal, the rotation of the planetary gear 26 is stopped.
Beneficially, the cutting cavity 18 is fixedly provided with an auxiliary motor 44, the auxiliary motor 44 is taken as a symmetry center, the auxiliary motor 44 is connected with a power shaft 16 in a front-back symmetrical power mode, one end of the power shaft 16 far away from the auxiliary motor 44 is fixedly connected with a cam 17, push rods 15 are hinged on the front and back walls of the cutting cavity 18 in a symmetrical mode, the bottoms of the push rods 15 are in light contact with the cam 17, the middle of each push rod 15 is hinged with a hinge rod 14, the hinge rods 14 on two sides are hinged through a lower cutting block 13, an upper cutting block 12 is fixedly arranged right above the lower cutting block 13, the auxiliary motor 44 is started, the cam 17 is driven to rotate through the power shaft 16, the push rods 15 are driven to swing around the hinge positions of the push rods 15 and the inner wall of the cutting cavity 18 clockwise through the rotation of the cam 17, the hinge rods 14 are driven to swing, and the length of the hinge rods 14 around the swing centers of the hinge rods 14 and the rotation centers of the lower The pushing rod 15 is hinged with the hinge rod 14 in the center, so that the lower cutting block 13 is driven to ascend, and the metal plate 35 coated with the film is cut through the upper cutting block 12.
Advantageously, a sensor 20 is provided below the chain 21, said sensor 20 controlling the rotation of the secondary motor 44, said secondary motor 44 being activated when the sensor 20 detects the stop of the chain 21.
The following will describe in detail the use steps of a sheet metal laminating apparatus with an adjusting function in conjunction with fig. 1 to 6:
in an initial state, the lower end of the plastic film 38 is fixed at the bottom of the pinch roller 22, the ratchet strip 11 is positioned at the left limit position, the L-shaped rod 40 is horizontally placed, the control rod 57 clamps the ratchet strip 11 and keeps the ratchet strip immovable, and the shortest position of the cam 17 away from the rotation center is in light contact with the push rod 15 to drive the lower cutting block 13 to be positioned at the lower limit position;
when in use, the movable metal plate 35 is located on the chain 21, the main motor 50 is started, the output shaft 53 drives the driving gear 31 to rotate, the driven gear 27 is driven to rotate, the connecting gear 28 is driven to rotate, the planet gear 26 is driven to rotate, the belt wheel 55 is driven to rotate by the belt 25, the rotating shaft 34 is driven to rotate, the belt 25 is driven to rotate, the chain 21 drives the driven sprocket 19 to rotate, the metal plate 35 is driven to move from left to right, meanwhile, the output shaft 53 rotates, the driving bevel gear 52 is driven to rotate by the driving bevel gear 51, the optical shaft 54 is driven to rotate, the turntable 56 is driven to rotate, the scraper 23 and the surface of the metal plate 35 are driven to move relatively, the surface of the metal plate 35 is polished, when the metal plate 35 moves to the lower end of the pressing wheel 22, the pressing wheel 22 is driven to rotate counterclockwise due to, the plastic film 38 is pressed between the pressing wheel 22 and the metal plate 35, so that the film is coated on the metal plate 35, thereby driving the plastic film 38 at the lower end to move to the right, thereby driving the material carrying wheel 39 to rotate clockwise, at the same time, the driving gear 31 rotates to drive the left end of the connecting rod 30 to rotate around the rotation center of the driving gear 31, thereby driving the oscillating rod 29 to oscillate at variable speed around the rotation center of the driven gear 27, thereby driving the connecting gear 28 to rotate at variable speed, when the rotation speed of the connecting gear 28 around the oscillating rod 29 is equal to the rotation speed of the connecting gear 28, the rotation of the planet wheel 26 is stopped, thereby stopping the rotation of the chain 21, when the sensor 20 detects that the chain 21 stops, the auxiliary motor 44 is started, the cam 17 is driven to rotate by the power shaft 16, the push rod 15 is driven to oscillate clockwise around the hinged position of the, because the length of the swing center of the hinge rod 14 around the rotation center of the hinge rod 14 and the lower cutting block 13 is shorter than the hinge center of the push rod 15 and the hinge rod 14, the lower cutting block 13 is driven to ascend, the metal plate 35 after film coating is cut through the upper cutting block 12, when the metal plate 35 moves to the bottom of the adjusting block 46, detection is carried out, when the plastic film 38 and the metal plate 35 have wrinkles, the adjusting block 46 is driven to ascend, the L-shaped rod 40 is driven to swing clockwise through the push rod 49, the stroke of the adjusting block 46 is amplified by utilizing the lever principle of the L-shaped rod 40, the ratchet bar 11 is driven to move right through the ratchet rod 41, the tensioning wheel 37 is driven to move right through the pull rod 36, the plastic film 38 is tensioned, wrinkles are reduced, when the wrinkles are reduced, the adjusting block 46 moves downwards under the action of the spring 47, the L-shaped rod 40 is driven to move left, the ratchet bar 11 keeps the position unchanged under the action of the control rod 57, when the wrinkles are too large, the crimping lever 45 contacts the fixing lever 48, pushing the crimping lever 45 downward, thereby flattening the wrinkles.
The invention has the beneficial effects that: the adjusting block is moved upwards to drive the ratchet strip to move rightwards to tension the tensioning wheel, so that tensioning of the plastic film is adjusted, cleaning of the metal plate before film covering is achieved by the aid of the scraper, intermittent stopping is achieved after the metal plate is conveyed for a certain length by the aid of the planetary gear train, cutting is facilitated, film covering on the surface of the metal plate is achieved, smoothness of the plastic film on the surface of the metal plate is improved, and time and energy for manual tensioning control are reduced.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.