Winding and unwinding film laminating machine
Technical Field
The invention relates to the technical field of laminating machines, in particular to a winding and unwinding laminating machine.
Background
Film coating machines can be divided into two major categories, namely immediate-coating type film coating machines and precoating type film coating machines. The paper-plastic composite film is special equipment for paper, plate and film lamination, and is pressed by a rubber roller and a heating roller to form a paper-plastic composite product.
The existing film laminating machine adopts single-roll film releasing and collecting equipment, manual cutting is performed, other accessory equipment needs to be purchased and connected with a wire for control, the whole device is high in installation difficulty, space-occupying, low in efficiency and high in cost; therefore, we have designed a film laminating machine for winding and unwinding to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a winding and unwinding laminating machine which can adjust the distance between a bottom roller and an upper pressing roller to ensure the laminating effect under different use environments, can butt and cut a film without manual participation and reduces the labor amount of workers.
In order to achieve the purpose, the invention adopts the following technical scheme:
a film laminating machine for winding and unwinding comprises a rack, wherein an unwinding assembly, an automatic film receiving and cutting assembly, a main press roller pressing assembly, a conveying assembly and a winding assembly are sequentially arranged on the rack, the main press roller pressing assembly and the conveying assembly are positioned between the automatic film receiving and cutting assembly and the winding assembly, the unwinding assembly and the winding assembly comprise a supporting shell arranged on the rack, two shaft levers rotatably connected with the supporting shell are arranged on the supporting shell, one ends of the two shaft levers opposite to each other are fixedly connected with connecting plates, an air expansion shaft convenient to take down is arranged between the two connecting plates, the automatic film receiving and cutting assembly comprises a first mounting frame arranged on the rack, adjustable serrated blades and film receiving rollers are arranged on the first mounting frame, the main press roller pressing assembly comprises two bottom rollers and two upper press rollers, the two bottom rollers are respectively positioned below the two upper press rollers, and a driving mechanism for adjusting the two upper press rollers is arranged on the frame.
Preferably, two opposite surfaces of the connecting plate are fixedly connected with arc-shaped blocks, two ends of the air expansion shaft are respectively located in the two arc-shaped blocks and are abutted against the two arc-shaped blocks, a first air cylinder is mounted on the rack, and a locking sleeve is fixedly connected to an output end of the first air cylinder and sleeved on one end shaft end of the first air cylinder and is rotatably connected with the first air cylinder.
Preferably, two second cylinders which are opposite to each other are installed on the first installation frame, and the output ends of the two second cylinders are fixedly connected with the two ends of the sawtooth blade respectively.
Preferably, install two relative third cylinders on the first mounting bracket, two the connecting block is all installed to the output of third cylinder, connect the membrane roller both ends and install respectively on the connecting block of homonymy and be connected rather than rotating.
Preferably, actuating mechanism is including installing two lead screw lifters in the frame, lead screw lifter include with the frame about sliding connection's slider, go up the both ends of compression roller and rotate respectively and install on the slider of homonymy, two the slider all runs through from top to bottom be equipped with rather than threaded connection's accommodate the lead screw, two accommodate the lead screw all runs through the frame and rather than rotating and being connected, install servo motor in the frame, servo motor's output fixedly connected with transfer line, the transfer line is connected with two accommodate the lead screw respectively through the driving medium.
Preferably, the transmission part comprises a worm wheel fixedly connected with the adjusting screw rod, the transmission rod penetrates through the rack and is rotatably connected with the rack, a worm is mounted on the transmission rod, and the worm is meshed with the worm wheel.
Preferably, conveying assembly is including installing two U templates in the frame, two equal sliding connection has a connecting rod, two in the U template the inner wall of U template all rotates and is connected with the lift lead screw, two the lift lead screw runs through the connecting rod of homonymy respectively and rather than threaded connection, two the hand wheel is all installed to the upper end of lift lead screw, and two rotate between the connecting rod and install the conveying roller.
Preferably, the bottom roller is made of stainless steel, the upper pressing roller is made of a kiss-coating roller, and the upper pressing roller improves the friction force of materials.
Compared with the prior art, the invention has the beneficial effects that:
1. when needs connect the membrane, connect the membrane roller to stretch out by the third cylinder, the top is on will connecing the epaxial membrane of the gas expansion of membrane, the setting of cooperation double faced adhesive tape, thereby realize connecing the membrane work, then paste the double faced adhesive tape at the mark department of every roll of membrane manual work in advance and keep rotating state always, after two rolls of membranes turned to the position laminating that has the double faced adhesive tape, serrated knife piece stretches out by the second cylinder, it decides to be in the membrane of another roll, can lead the advancing to the membrane after connecing through leading the membrane roller, it withdraws correspondingly under the effect of second cylinder serrated knife piece, under the effect of third cylinder, connect the membrane roller to withdraw, need not to shut down the change, can improve work efficiency.
2. The film that carries immediately passes through between bottom roll and the last compression roller, and the bottom roll adopts stainless steel system roller, goes up the compression roller and adopts the rubber hanging roller, goes up the compression roller and improves material frictional force to can carry out stable transport to the film, can guarantee the pressfitting effect to the film simultaneously.
3. If when the distance between the bottom roller and the upper pressing roller needs to be adjusted, namely the pressing effect is adjusted, a worker can start the servo motor, the servo motor works to drive the transmission rod to rotate, the transmission rod rotates to drive the worm to rotate, the worm wheel can rotate under the rotation of the worm, so that the two adjusting screw rods rotate, the two sliding blocks can synchronously move upwards or downwards through the rotation of the two adjusting screw rods, the upper pressing roller can move upwards or downwards, and the pressing effect can be ensured through the matching of the upper pressing roller and the bottom roller.
In conclusion, the film cutting machine can adjust the distance between the bottom roller and the upper pressing roller to ensure the pressing effect under different use environments, can butt and cut films without manual participation, and reduces the labor amount of workers.
Drawings
Fig. 1 is a schematic structural view of a winding and unwinding laminating machine according to the present invention;
FIG. 2 is a schematic structural diagram of a unwinding assembly and an automatic film splicing and cutting assembly in the film laminating machine according to the present invention;
FIG. 3 is a schematic structural view of a main press roller pressing assembly in the winding and unwinding laminating machine provided by the invention;
fig. 4 is an enlarged view of a structure at a in fig. 2.
In the figure: 1 frame, 2 unreel the subassembly, 3 automatic membrane that connects is decided the subassembly, 4 main compression roller pressfitting subassemblies, 5 conveying components, 6 support casings, 7 rolling subassemblies, 8 connecting plates, 9 inflatable axles, 10 first cylinders, 11 axostylus axostyle, 12 first mounting bracket, 13 second cylinders, 14 third cylinders, 15 sawtooth blade, 16 connect the membrane roller, 17 bottom plates, 18 film guide roller, 19 conveying roller, 20U template, 21 servo motor, 22 driving medium, 23 lead screw lift, 24 go up the compression roller, 25 bottom rollers, 26 sliders, 27 lift lead screw, 28 connecting rods, 29 arc piece, 30 transfer line, 31 hand wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a winding and unwinding film laminating machine comprises a frame 1, wherein an unwinding assembly 2, an automatic film splicing and cutting assembly 3, a main compression roller pressing assembly 4, a conveying assembly 5 and a winding assembly 7 are sequentially arranged on the frame 1, and the main compression roller pressing assembly 4 and the conveying assembly 5 are positioned between the automatic film splicing and cutting assembly 3 and the winding assembly 7; wherein, unreel subassembly 2 and rolling component 7 structure the same, then unreel the both ends setting that subassembly 2 and rolling component 7 are located frame 1.
The conveying assembly 5 comprises two U-shaped plates 20 arranged on the rack 1, connecting rods 28 are connected in the two U-shaped plates 20 in a sliding mode, the inner walls of the two U-shaped plates 20 are connected with lifting screw rods 27 in a rotating mode, the two lifting screw rods 27 penetrate through the connecting rods 28 on the same side and are in threaded connection with the connecting rods, hand wheels 31 are arranged at the upper ends of the two lifting screw rods 27, and conveying rollers 19 are rotatably arranged between the two connecting rods 28; the two U-shaped plates 20 are connected and formed by bending and welding metal plates, and conveying rollers 19 are arranged on the U-shaped plates 20 and are conveyed by adopting stainless steel mesh belts; and the length of the stainless steel mesh belt can be changed according to the requirement of a customer, so that other accessory facilities can be conveniently installed on the stainless steel mesh belt.
The unwinding assembly 2 and the winding assembly 7 comprise a supporting shell 6 arranged on the rack 1, two shaft levers 11 rotatably connected with the supporting shell 6 are arranged on the supporting shell 6, connecting plates 8 are fixedly connected to opposite ends of the two shaft levers 11, and an air expansion shaft 9 convenient to take down is arranged between the two connecting plates 8, so that a PVC film paper sleeve is convenient to install; the opposite surfaces of the two connecting plates 8 are fixedly connected with arc-shaped blocks 29, two ends of the air expansion shaft 9 are respectively positioned in the two arc-shaped blocks 29 and abut against the two arc-shaped blocks, a first air cylinder 10 is mounted on the rack 1, the output end of the first air cylinder 10 is fixedly connected with a locking sleeve, and the locking sleeve is sleeved on one end shaft end of the first air cylinder 10 and is rotatably connected with the first air cylinder; the locking sleeve driven by the first cylinder 10 can be sleeved on the shaft end of the air expansion shaft 9, and the air expansion shaft 9 can be ensured to stably rotate due to the matching of the two arc-shaped blocks 29 and the locking sleeve; the locking sleeve can be a bearing, namely, the shaft end of the air expansion shaft 9 is sleeved in an inner ring of the bearing.
Wherein, install magnetic particle brake on the frame 1, the output of magnetic particle brake is connected with the axle head of inflatable shaft 9, also can realize the drive to inflatable shaft 9 through corresponding gear drive.
The automatic film splicing and cutting assembly 3 comprises a first mounting frame 12 mounted on the rack 1, and a sawtooth blade 15 and a film splicing roller 16 which can be adjusted are mounted on the first mounting frame 12; the first mounting frame 12 is provided with two opposite second cylinders 13, and the output ends of the two second cylinders 13 are respectively fixedly connected with two ends of the sawtooth blade 15; wherein, two inflatable shaft 9 unreel, and the manual work of sign department at every roll of membrane is pasted the double faced adhesive film and is kept the rotation state always in advance, and after two rolls of membrane turned to the position laminating that has the double faced adhesive tape, sawtooth blade 15 stretched out by second cylinder 13, will be in the membrane of another roll and decide.
The first mounting frame 12 is provided with two opposite third cylinders 14, the output ends of the two third cylinders 14 are provided with connecting blocks, the two ends of the film connecting roller 16 are respectively arranged on the connecting blocks on the same side and are rotatably connected with the connecting blocks, when a film is required to be connected, the film connecting roller 16 extends out of the third cylinders 14 and abuts against the film on the air expansion shaft 9 to be connected, and the arrangement of double faced adhesive tape is matched, so that the film connecting work is realized; wherein, a bottom plate 17 is arranged on the frame 1, a film guide roller 18 is arranged on the bottom plate 17, and the jointed film can advance through the film guide roller 18.
The main compression roller pressing component 4 comprises two bottom rollers 25 and two upper compression rollers 24, the two bottom rollers 25 are respectively located below the two upper compression rollers 24, a driving mechanism for adjusting the two upper compression rollers 24 is installed on the rack 1, the driving mechanism comprises two lead screw lifters 23 installed on the rack 1, each lead screw lifter 23 comprises a sliding block 26 which is connected with the rack 1 in a vertical sliding mode, two ends of each upper compression roller 24 are respectively installed on the sliding blocks 26 on the same side in a rotating mode, adjusting screw rods connected with the sliding blocks 26 in a threaded mode are arranged on the two sliding blocks 26 in a vertical penetrating mode, the two adjusting screw rods all penetrate through the rack 1 and are connected with the sliding blocks in a rotating mode, a servo motor 21 is installed on the rack 1, an output end of the servo motor 21 is fixedly connected with a transmission rod 30, and the transmission rod 30 is respectively connected with the two adjusting screw rods through a transmission piece 22.
The transmission part 22 comprises a worm wheel fixedly connected with the adjusting screw rod, the transmission rod 30 penetrates through the rack 1 and is rotatably connected with the rack, a worm is arranged on the transmission rod 30, and the worm is meshed with the worm wheel; wherein the worm gear is not shown in the figure.
Specifically, the servo motor 21 works to drive the transmission rod 30 to rotate, the transmission rod 30 rotates to drive the worm to rotate, the worm wheel can rotate under the rotation of the worm, so that the two adjusting screw rods rotate, the two sliding blocks 26 can synchronously move upwards or downwards through the rotation of the two adjusting screw rods, the upper pressing roller 24 can move upwards or downwards, and the pressing effect can be improved through the matching of the upper pressing roller 24 and the bottom roller 25.
Wherein, the bottom roller 25 adopts the stainless steel roller, goes up the compression roller 24 and adopts the rubber hanging roll, goes up the compression roller 24 and improves material frictional force to can carry out stable transport to the membrane, can guarantee the pressfitting effect to the membrane simultaneously.
When the PVC film winding machine is used, a paper cylinder of a PVC film is sleeved on the air expansion shaft 9, and the PVC film is sequentially wound on the air expansion shaft 9 on the winding assembly 7 through the automatic film connecting and cutting assembly 3, the main compression roller pressing assembly 4, the conveying assembly 5 and the winding assembly 7;
manually sticking double-sided adhesive tape at the mark position on the winding film on the air expansion shaft 9, and driving the air expansion shaft 9 to rotate by using a magnetic powder brake as power to realize unwinding work; as the air expansion shaft 9 rotates, the PVC film on the air expansion shaft 9 is gradually reduced, so that the PVC film on the other air expansion shaft 9 needs to be connected with the PVC film on the air expansion shaft 9 to be used up, that is, the connection film works; when a film needs to be connected, the film connecting roller 16 extends out of the third cylinder 14 and abuts against the film on the air expansion shaft 9 of the film to be connected, and the arrangement of the double-sided adhesive tape is matched, so that the film connecting work is realized, the double-sided adhesive film is manually adhered at the mark position of each roll of film in advance and always keeps a rotating state, when two rolls of films are rotated to the position with the double-sided adhesive tape for adhesion, the sawtooth blade 15 extends out of the second cylinder 13, the film in the other roll is cut, the connected film can be guided to advance through the film guide roller 18, the sawtooth blade 15 is correspondingly retracted under the action of the second cylinder 13, and the film connecting roller 16 is retracted under the action of the third cylinder 14;
the film conveyed next passes between a bottom roller 25 and an upper pressing roller 24, the bottom roller 25 is made of stainless steel, the upper pressing roller 24 is made of a rubber hanging roller, and the upper pressing roller 24 improves the friction force of materials, so that the film can be stably conveyed, and meanwhile, the laminating effect on the film can be ensured;
if the distance between the bottom roller 25 and the upper press roller 24 needs to be adjusted, namely, the pressing effect is adjusted, a worker can start the servo motor 21, the servo motor 21 works to drive the transmission rod 30 to rotate, the transmission rod 30 rotates to drive the worm to rotate, the worm wheel can rotate under the rotation of the worm, so that the two adjusting screw rods rotate, the two sliding blocks 26 can synchronously move upwards or downwards through the rotation of the two adjusting screw rods, the upper press roller 24 can move upwards or downwards, and the pressing effect can be ensured through the matching of the upper press roller 24 and the bottom roller 25;
and finally, the pressed film is rolled through an air expansion shaft 9 on the rolling component 7.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.