CN113799420A

CN113799420A - Composite film forming equipment for producing environment-friendly TPU (thermoplastic polyurethane) car cover film and using method thereof

Info

Publication number: CN113799420A
Application number: CN202111092321.5A
Authority: CN
Inventors: 山君; 宋朝辉
Original assignee: Zhejiang Yuneng New Material Technology Co ltd
Current assignee: Zhejiang Yuneng New Material Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2021-12-17

Abstract

The invention discloses a composite film forming device for producing an environment-friendly TPU (thermoplastic polyurethane) car cover film and a using method thereof, belonging to the technical field of car cover film manufacturing, and comprising a main body frame, wherein the main body frame comprises a TPU roller, which is rotationally connected with the inner side wall of the main body frame, a PET roller which is arranged at the upper right part of the TPU roller and is rotationally connected with the main body frame, a displacement component, the speed-changing mechanism is connected with the inner side wall of the main body frame in a sliding way, the speed-changing assembly is rotationally connected with the outer side wall of the main body frame, the position of a belt clamping block in the speed-changing mechanism is changed by pushing the displacement mechanism by the winding thickness, the expansion of the tension pulley on the speed-changing belt increases the rotation radius of the belt clamping block, the linear speed is increased, the rotation of the speed-changing belt is accelerated, thereby driving the rotating speed of the driving gear and the driven gear to be accelerated, accelerating the rotating speed of the driving rubber roller and the driven steel roller, thereby the effectual regulation rotational speed prevents that the car membrane from leading to car membrane tensile deformation or function of fracture because of the rotational speed difference when carrying out the package.

Description

Composite film forming equipment for producing environment-friendly TPU (thermoplastic polyurethane) car cover film and using method thereof

Technical Field

The invention relates to the technical field of vehicle coating film manufacturing, in particular to composite film forming equipment for producing an environment-friendly TPU vehicle coating film and a using method thereof.

Background

In the current automobile development process, automobile parts are continuously updated and optimized, wherein automobile membranes are developed towards the direction of environmental protection, the automobile membranes are manufactured by pressing composite materials, and the manufactured automobile membranes can effectively reduce scratches of automobile bodies and light reflection.

Chinese patent CN201822197870.9 discloses a calendering device for a TPU composite film production line, which belongs to the technical field of TPU film production equipment and solves the problems that the prior calendering device has steel rollers or rubber rollers as the first roller and steel rollers as the second and third rollers, and bubbles or lines are easily generated during the production of TPU composite films, and the calendering effect is not good.

Secondly among this technical scheme, because the device is when carrying out the calendering of car membrane, the rotation of wind-up roll when the car membrane is rolled, because there is the problem that rolling speed is faster and faster in the increase of thickness, and the slew velocity of calender roll keeps invariable, and this will lead to the pulling force increase to the car membrane for there is the cracked phenomenon of deformation even in the car membrane.

Based on the above, the invention designs an environment-friendly type composite film forming device for producing TPU vehicle coating film and a using method thereof, so as to solve the problems.

Disclosure of Invention

The invention aims to provide environment-friendly composite film forming equipment for producing a TPU (thermoplastic polyurethane) car cover film and a using method thereof.

In order to achieve the purpose, the invention provides the following technical scheme: a composite film forming device for producing an environment-friendly TPU vehicle coating film and a using method thereof,

comprises a main body frame;

the main body frame includes:

the TPU roller is rotationally connected with the inner side wall of the main body frame;

the PET roller is arranged on the right upper part of the TPU roller and is rotationally connected with the main body frame;

the driving assembly is rotatably connected with the main body frame;

the displacement assembly is connected with the inner side wall of the main body frame in a sliding manner;

the speed changing assembly is rotatably connected with the outer side wall of the main body frame;

through the continuous increase of the in-process of rolling up around a book thickness for the continuous upward movement of displacement subassembly of rolling up surface contact, and then let the inside radius of rotation of change that the variable speed subassembly is gentle in the motion process increase pivoted linear velocity, change the rotational speed through thickness in order to reach the uniformity of rolling up with the calendering rotational speed, prevent the car membrane because the effect of internal stress deformation or stretch-break.

As a further aspect of the present invention,

the drive assembly includes:

a driving part arranged on the main body frame;

the winding roller is arranged at the output end of the driving part, is connected with the main body frame in a penetrating and rotating way and is used for driving the winding ring to rotate and wind;

a first rotating wheel arranged at the other end of the winding roller;

the synchronous belt is rotationally connected with the first rotating wheel;

the second rotating wheel is rotationally connected with the other end of the synchronous belt;

the connecting shaft is arranged at the axle center of the second rotating wheel, and the peripheral surface of the connecting shaft is connected with the movable shaft sleeve in a sliding way;

the rotating disc is arranged at the other end of the connecting shaft, is rotatably connected with the main body frame, is connected with the movable block in a sliding manner, and is connected with the side face, close to the axis of the rotating disc, of the movable block through a connecting spring;

the displacement assembly includes:

the connecting sliding block is connected with the inner side wall of the main body frame in a sliding manner and is connected with the main body frame through a spring;

the attaching rod is arranged at the bottom of the connecting slide block, and the bottom of the attaching rod is in an arc shape, so that the vehicle film is prevented from being scratched;

the thrust sliding rod is arranged at the top of the connecting sliding block, and the top of the thrust sliding rod is provided with an arc head;

the stress groove block is arranged to be cut into a block shape and is connected with the thrust sliding rod in a sliding mode through a guide groove of an inner inclined surface;

the sliding L rod is arranged on the right side surface of the stress groove block in an L shape, penetrates through the side wall of the main body frame and is connected with the main body frame in a sliding mode;

as a further aspect of the present invention, the speed change assembly includes:

the movable shaft sleeve is arranged in a T shape and is rotationally connected with the other end of the sliding L rod;

the movable rod is provided with a plurality of movable rods which are distributed circumferentially and are rotationally connected with the head of the movable shaft sleeve;

the movable block is rotatably connected with the other end of the movable rod;

the belt clamping block is arranged on the surface of the movable block, and an arc-shaped belt groove is formed in the circumferential surface of the belt clamping block;

the speed-changing belt is rotationally connected with the belt clamping block through a belt groove of the belt clamping block;

the peripheral surface of the group of tensioning wheels is rotationally connected with the speed-changing belt through a circumferential groove, the group of tensioning wheels is connected with the outer side wall of the main body frame in a sliding manner through a bottom connecting block, and the bottom connecting block of the group of tensioning wheels is symmetrically connected with the main body frame through a tensioning elastic part;

the circumferential surface of the belt driven wheel is rotationally connected with the other end of the speed-changing belt through a circumferential groove;

the driving gear is coaxially connected with the belt driven wheel;

and a driven gear engaged with the driving gear.

As a further scheme of the invention, the radiuses of the driving gear and the driven gear are the same, the axes of the driving gear and the driven gear are positioned on the same horizontal line, a driving rubber roller is arranged at the other end of the driving gear, which is positioned on the same shaft with the driven gear of the belt, the shaft end of the driven gear is positioned on the driving rubber roller, a driven steel roller is arranged in the same direction of the driving gear, and the radiuses of the driving rubber roller and the driven steel roller are the same.

As a further aspect of the present invention,

still include the humidification subassembly, the humidification subassembly includes:

the reciprocating slide bar is arranged in a T shape, the head of the reciprocating slide bar is of a long round through groove structure, the tail of the reciprocating slide bar is connected with the main body frame in a penetrating and sliding way, and the reciprocating slide bar is sleeved with an eccentric rotating rod fixed on the side wall of the driven gear through the long round through groove at the head;

the extrusion piston is arranged at the other end of the reciprocating slide bar;

the water storage tank is arranged on the main body frame, and a piston hole formed in the top of the water storage tank is communicated with the extrusion piston;

the unidirectional water inlet pipe is arranged on the circumferential surface of the water storage tank;

the water inlet tank is arranged at the other end of the one-way water inlet pipe, arranged on the side wall of the main body frame and used for storing distilled water;

the water spraying bent tank is arranged on the inner side wall of the main body frame and is connected with the water storage tank through a through hole;

and the unidirectional spray nozzles are arranged on the water spraying bent tank.

As a further aspect of the present invention,

still include the dehumidification subassembly, the dehumidification subassembly includes:

the first belt is sleeved on the surface of the driving rubber roller;

the PET dehumidifying wheel is provided with a group, one of the PET dehumidifying wheels is sleeved in the first belt, and the group of PET dehumidifying wheels is connected through a cross belt;

the second belt is sleeved on the surface of the driving rubber roller;

the TPU dehumidifying wheel is provided with a group of wheels which are arranged in the same way as the PET dehumidifying wheel.

As a further aspect of the present invention,

still include blank mechanism, blank mechanism includes:

the rotating shaft of the friction wheel is connected with the main body frame in a penetrating and rotating manner and is connected with the surface of the belt clamping block in a rotating manner when the belt clamping block moves to the maximum end;

the linkage gear is arranged at the same shaft end of the friction wheel;

the torsion spring is arranged on the linkage gear, and the other end of the torsion spring is connected with the side wall of the main body frame;

the linkage chain is meshed with the circumferential surface of the linkage gear and is used for connecting and synchronously rotating;

the chain wheel is sleeved in the linkage chain and is rotationally connected with the inner side wall of the main body frame;

the group of feeding rotating wheels are arranged on the side wall of the chain wheel;

and the cutting blade is arranged at the position, close to the chain wheel, of the side wall of the main body frame and is positioned at one side, which drives the motor film to rise when the feeding rotating wheel rotates.

As a further scheme of the invention, the group of PET dehumidifying wheels are symmetrically distributed on two sides of the PET film, and the surface contacting with the PET film does not generate pressing force, and the group of TPU dehumidifying wheels are symmetrically distributed on two sides of the TPU film, and the surface contacting with the PET film does not generate pressing force.

As a further scheme of the invention, the one-way water inlet pipe and the one-way spray head are both of a one-way water outlet structure, the movement modes of the one-way water inlet pipe and the one-way spray head are opposite, the water spraying curved tank is set to be in a curved shape, and the distance between two ends of the water spraying curved tank spans the cross section projection positions of the TPU film and the PET film.

A composite film forming using method for producing an environment-friendly TPU (thermoplastic polyurethane) car cover film comprises the following specific steps:

the method comprises the following steps: extracting a TPU raw material from petroleum, pouring the petroleum into a reaction kettle, adding a chemical raw material into the reaction kettle to perform a mixing reaction with the petroleum, filtering the TPU raw material by a filtering device, cooling and cutting the TPU raw material into particles; step two: carrying out extrusion molding on the TPU film, putting TPU raw material particles into a mixing processing box, adding a permanent antistatic agent, a lubricant, talcum powder and a flatting agent, sequentially putting into a double-screw extruder, plasticizing and extruding the TPU material after a period of time, putting the plasticized and extruded TPU material into a rolling device, and carrying out rolling molding on the TPU film material by adopting a double-roller rolling process under the conditions that the temperature of a die head is 180-210 ℃ and the temperature of a roller is 30-50 ℃ to prepare the TPU film;

step three: the TPU film is subjected to calendering and compounding, the TPU film is placed on a TPU roller, then the PET film is prevented from being placed on a PET roller, and at the moment, a vehicle film is formed by calendering of a driving rubber roller and a driven steel roller;

step four: TPU film rolling, rotate and then twine the car membrane around the winding up circle through driving around the winding up roller, and after winding up around the winding up roller, this moment is because the linear velocity of winding up increases, this moment is because the rotational speed of winding up the winding up roller is invariable, and thickness increases leads to the linear velocity increase around rolling up, thickness increases the radius of rotation increase that drives the belt fixture block this moment, the linear velocity also increases thereupon, the rotation of speed-changing belt this moment is accelerated, and then drive driving gear and driven gear's rotational speed accelerates, make initiative rubber roll and driven steel roll rotational speed accelerate, thereby the speed of effectual balanced winding up and the speed of calendering, the problem of the transmission rate of avoiding appearing the car membrane leads to the deformation to differ.

Compared with the prior art, the invention has the beneficial effects that:

1. the driving gear drives the driven gear to rotate due to meshing action, and the driving gear and the driven gear drive the driving rubber roller and the driven steel roller to rotate at the moment, so that the function of reducing energy consumption by single driving of winding and calendering is achieved, meanwhile, the position of the belt clamping block in the speed change mechanism is changed by pushing the displacement mechanism through the winding thickness, the rotating radius is increased to change the linear speed, the rotating speed of the driving rubber roller and the driven steel roller is accelerated through the transmission of the speed change belt, and the function of keeping the winding and calendering speeds consistent and preventing the deformation and the fracture of a car film is achieved;

2. the extrusion piston is driven to reciprocate by the rotation of the driven gear, so that the humidifying mechanism is enabled to spray and feed water continuously, the humidity of the surface of the car film is increased, static electricity is avoided, and the function that the quality of the car film is influenced by the static electricity attraction dust is effectively avoided;

3. the dehumidification assembly is driven to contact and absorb the redundant moisture on the car membrane through the rotation of the driving rubber roll, the car membrane is enabled to move in an S-shaped direction by the aid of the material feeding rotating wheel, and the moisture drips at the lowest point by the aid of the gravity of the moisture, so that the redundant moisture on the car membrane is removed, the rotating radius is increased by the aid of the belt clamping blocks, the belt clamping blocks drive the friction wheel to rotate after a certain thickness is reached, the chain wheel is driven to rotate, the material feeding rotating wheel drives the car membrane to be attached to and cut off the cutting blade, and the automatic quantitative winding function is achieved;

in conclusion, the invention has the functions of automatically balancing winding and calendering rotating speeds, preventing electrostatic dust absorption, automatically removing moisture and automatically and quantitatively winding, improves the winding efficiency, prevents the deformation and the breakage of the car membrane in the winding process and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view at B of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a first rotating wheel according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3 at C according to the present invention;

FIG. 5 is a schematic view of a driving gear structure according to the present invention;

FIG. 6 is an enlarged view of FIG. 5 at D according to the present invention;

FIG. 7 is an enlarged partial sectional view taken at E of FIG. 5 in accordance with the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 9 is a schematic view of a linkage gear structure according to the present invention;

FIG. 10 is a schematic view of the process flow of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a main body frame; 101. a TPU roller; 102. a PET roller; 2. a drive assembly; 21. a drive section; 22. a winding roller; 23. a first rotating wheel; 24. a synchronous belt; 25. a second rotating wheel; 26. a connecting shaft; 27. rotating the disc; 3. a displacement assembly; 31. a fitting rod; 32. connecting the sliding block; 33. a thrust sliding rod; 34. a stress groove block; 35. sliding the L-bar; 4. a speed change assembly; 41. a movable shaft sleeve; 42. a movable rod; 43. a movable block; 44. a belt clamping block; 45. a variable speed belt; 46. a tension wheel; 461. a tension elastic part; 47. a belt driven pulley; 48. a driving gear; 481. an active rubber roller; 49. a driven gear; 491. a driven steel roll; 5. a humidifying assembly; 51. a reciprocating slide bar; 52. a squeeze piston; 53. a water storage tank; 54. a one-way water inlet pipe; 55. a water inlet tank; 56. spraying a water yeast tank; 57. a one-way spray head; 6. a dehumidification assembly; 61. a first belt; 62. a PET dehumidifying wheel; 63. a second belt; 64. a TPU dehumidification wheel; 7. a material cutting mechanism; 71. a friction wheel; 72. a linkage gear; 73. a torsion spring; 74. a linkage chain; 75. a chain wheel; 76. a feeding runner; 77. and (4) cutting the blade.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a compound film forming device for producing an environment-friendly TPU (thermoplastic polyurethane) car cover film and a using method thereof comprise a main body frame 1;

the main body frame 1 includes:

a TPU roller 101 rotatably connected to an inner sidewall of the main body frame 1;

a PET roller 102 which is arranged at the upper right of the TPU roller 101 and is rotationally connected with the main body frame 1;

a driving assembly 2 rotatably connected with the main body frame 1;

the displacement component 3 is connected with the inner side wall of the main body frame 1 in a sliding way;

a speed change assembly 4 rotatably connected with the outer side wall of the main body frame 1;

in the process of pressing the garment film, the driving part 21 moves at the moment, the driving part 21 drives the winding roller 22 to rotate, the winding roller 22 rotates to drive the first rotating wheel 23 to rotate, the second rotating wheel 25 is driven to rotate through the synchronous belt 24, and the rotating disc 27 is driven to rotate through the connecting shaft 26 by the rotation of the second rotating wheel 25;

through the constantly increasing of in-process around rolling up of book thickness for around the continuous upward movement of displacement subassembly 3 of rolling up surface contact, and then let speed change subassembly 4 in the gentle inside radius of rotation that changes of motion in-process increase pivoted linear velocity, thereby change the calendering rotational speed through around rolling up finished product thickness and in order to reach around rolling up and the uniformity of calendering rotational speed, prevent that the car membrane from receiving to roll up and calendering rotational speed difference asynchronous make the interior stress variation of car membrane cause the problem of deformation or breaking.

As a further aspect of the present invention,

as shown in fig. 3, further includes a driving assembly 2, and the driving assembly 2 includes:

a drive unit 21 provided on the main body frame 1;

a winding roller 22, which is arranged at the output end of the driving part 21, is connected with the main body frame 1 in a penetrating and rotating way, and is used for driving the winding ring to rotate and wind;

a first rotating wheel 23 provided at the other end of the winding roller 22;

a timing belt 24 rotatably connected to the first rotating wheel 23;

a second rotating wheel 25 rotatably connected to the other end of the timing belt 24;

a connecting shaft 26 provided at the axis of the second rotating wheel 25 and having a circumferential surface slidably connected to the movable sleeve 41;

a rotating disk 27 which is rotatably connected to the main body frame 1 at the other end of the connecting shaft 26, is slidably connected to the movable block 43, and is connected to a side surface of the movable block 43 near the axis of the rotating disk 27 by a connecting spring;

as shown in fig. 1, 2 and 4

The displacement assembly 3 comprises:

a connecting slider 32 which is connected with the inner side wall of the main body frame 1 in a sliding way and is connected with the main body frame 1 through a spring;

the attaching rod 31 is arranged at the bottom of the connecting slide block 32, is provided with an arc bottom, prevents the car film from being scratched, and is used for carrying out linear transmission through the thickness of a winding;

the thrust sliding rod 33 is arranged at the top of the connecting sliding block 32, and the top of the thrust sliding rod 33 is provided with an arc head;

the stress groove block 34 is arranged in a block shape, is connected with the thrust sliding rod 33 in a sliding manner through a guide groove of an inner inclined surface, and is used for being matched with the thrust sliding rod 33 to convert vertical transmission into horizontal transmission so as to increase the stability of transmission;

the sliding L rod 35 is arranged on the right side surface of the stress groove block 34 in an L shape, and the sliding L rod 35 penetrates through the side wall of the main body frame 1 and is connected with the main body frame 1 in a sliding mode;

after the winding roller 22 winds, at this time, because the linear speed of winding is increased, at this time, because the rotating speed of the winding roller 22 is constant, and the linear speed of winding is increased due to the increase of the thickness, at this time, the thickness is increased, the attaching rod 31 is pushed to move upwards, and then the thrust sliding rod 33 is driven to move upwards through the connecting slider 32, because the thrust sliding rod 33 and the force receiving groove block 34 are in sliding connection through the inclined guide groove formed inside the force receiving groove block 34, at this time, the upward movement of the thrust sliding rod 33 drives the force receiving groove block 34 to move leftwards (as shown in the front view of fig. 2), and then the sliding L rod 35 is pulled to pull the movable shaft sleeve 41 leftwards to slide along the surface of the connecting shaft 26.

As a further aspect of the present invention, as shown in fig. 4 to 6, the shift assembly 4 includes:

a movable bushing 41 which is formed in a T-shape and rotatably connected to the other end of the sliding L-bar 35;

a movable rod 42, which is provided with a plurality of circular distribution and is rotationally connected with the head of the movable shaft sleeve 41;

a movable block 43 rotatably connected to the other end of the movable rod 42;

the belt clamping block 44 is arranged on the surface of the movable block 43, is provided with an arc-shaped belt groove on the circumferential surface and is used for being matched with the movable shaft sleeve 41, the movable rod 42 and the movable block 43 to adjust the size of the rotating radius;

a speed-changing belt 45 rotatably connected to the belt block 44 through a belt groove of the belt block 44;

a set of tension pulleys 46, the peripheral surface of which is rotatably connected with the speed-changing belt 45 through a circumferential groove, the set of tension pulleys 46 is slidably connected with the outer side wall of the main body frame 1 through a bottom connecting block, and the bottom connecting block of the set of tension pulleys 46 is symmetrically connected with the main body frame 1 through a tension elastic part 461 for tensioning and displacing the speed-changing belt 45;

a belt driven pulley 47 having a circumferential surface rotatably connected to the other end of the speed change belt 45 through a circumferential groove;

a drive gear 48 coaxially connected to the belt driven pulley 47;

a driven gear 49 that meshes with the drive gear 48;

the movable block 43 moves away from the axle center of the rotating disc 27 through the movable rod 42, at this time, the movement of the movable block 43 drives the belt clamping block 44 to expand the speed-changing belt 45, the expansion of the belt clamping block 44 also increases the friction force between the belt clamping block 44 and the speed-changing belt 45, thereby avoiding the slipping prevention function of the speed-changing belt 45 in the moving process, and simultaneously, the tension pulley 46 moves close to the tension elastic part 461 with the symmetrical end of the tension pulley 46 while the speed-changing belt 45 expands, at this time, the rotating radius of the belt clamping block 44 is increased, under the condition that the angular speed is not changed, namely, the rotating speed is not changed, the linear speed is also increased, at this time, the rotating speed of the speed-changing belt 45 is accelerated, further drives the rotating speed of the driving gear 48 and the driven gear 49 to be accelerated, so that the rotating speed of the driving rubber roller 481 and the driven steel roller 491 is accelerated, thereby effectively adjusting the rotating speed and preventing the car film from stretching and deforming or breaking due to the rotating speed difference between winding and rolling when the car film is wound.

As a further scheme of the present invention, as shown in fig. 4, the radii of the driving gear 48 and the driven gear 49 are the same, and the axes of the driving gear 48 and the driven gear 49 are located on the same horizontal line, the driving rubber roll 481 is arranged at the other end of the driving gear 48, which is located coaxially with the belt driven wheel 47, the shaft end of the driven gear 49 is located at the driving rubber roll 481, the driven steel roll 491 is arranged in the same direction of the driving gear 48, and the radii of the driving rubber roll 481 and the driven steel roll 491 are the same, so as to prevent rolling deformation caused by internal stress generated inside a car film due to difference in rotation speed caused by difference in radius during operation, the PET roll 102 is located above the driving rubber roll 481, and the TPU roll 101 is located at the left of the driven steel roll 491;

thereby drive the belt through speed-changing belt 45 and rotate from driving wheel 47, the rotation of belt from driving wheel 47 drives driving gear 48 and rotates, driving gear 48 drives driven gear 49 through the meshing effect and rotates, driving gear 48 and driven gear 49 drive respectively and correspond the initiative rubber roll 481 and the driven steel roll 491 of connecting and rotate, carry out the pressfitting with TPU film and PET sheet on TPU roller 101 and the PET roller 102 this moment to reach the function that the pressfitting was rolled up in automatic synchronization.

As a further aspect of the present invention, as shown in fig. 5 and 7, the present invention further includes a humidifying assembly 5, wherein the humidifying assembly 5 includes:

the reciprocating slide rod 51 is T-shaped, the head of the reciprocating slide rod is of a long circular through groove structure, the tail of the reciprocating slide rod 51 is connected with the main body frame 1 in a penetrating and sliding mode, and the reciprocating slide rod 51 is sleeved with an eccentric rotating rod fixed on the side wall of the driven gear 49 through the head long circular through groove;

a pressing piston 52 provided at the other end of the reciprocating slide rod 51;

a water storage tank 53 which is arranged on the main body frame 1, and a piston hole arranged at the top of the water storage tank is communicated with the extrusion piston 52;

a one-way water inlet pipe 54 provided on the circumferential surface of the water storage tank 53;

a water inlet tank 55 provided at the other end of the one-way water inlet pipe 54 and provided at a side wall of the main body frame 1 for storing distilled water;

a water spray koji tank 56 which is provided on the inner side wall of the main body frame 1 and is connected to the water storage tank 53 through a through hole;

and the one-way spray nozzles 57 are arranged on the water spraying bent tank 56.

Meanwhile, the driven gear 49 rotates to drive the reciprocating slide rod 51 to move up and down through the surface round pin, the reciprocating slide rod 51 reciprocates up and down to drive the extrusion piston 52 to reciprocate, the extrusion piston 52 extrudes the dust-free water in the water storage tank 53 when moving downwards, the dust-free water in the water storage tank 53 enters the water spraying curved tank 56 through a pipeline at the moment, and then is sprayed out in a foggy manner through the one-way spray head 57, and when the extrusion piston 52 moves upwards, negative pressure suction force is generated at the moment, the water in the water inlet tank 55 is sucked into the water storage tank 53 through the one-way water inlet pipe 54, and the water is automatically supplemented, so that the function of automatically heating air humidity and preventing the surface of the vehicle film from having electrostatic dust attraction is achieved.

As a further aspect of the present invention, as shown in figure 8,

further comprising a dehumidification assembly 6, said dehumidification assembly 6 comprising:

the first belt 61 is sleeved on the surface of the driving rubber roller 481;

a set of PET dehumidifying wheels 62, one of which is sleeved in the first belt 61 and the other set is connected with the first belt through a cross belt;

the second belt 63 is sleeved on the surface of the driving rubber roller 481;

a TPU desiccant wheel 64 provided with a set of wheels in the same arrangement as the PET desiccant wheel 62.

Meanwhile, the driving rubber roller 481 rotates and simultaneously drives the TPU dehumidification wheel 64 and the PET dehumidification wheel 62 to synchronously rotate through the second belt 63 and the first belt 61, and the TPU dehumidification wheel 64 and the PET dehumidification wheel 62 rotate to remove a mixture of redundant distilled water and dust on a TPU film on the TPU roller 101 and a PET sheet on the PET roller 102, so that the function of effectively cleaning the surface of the film is achieved;

as a further aspect of the present invention, as shown in fig. 4 and 9, the present invention further includes a material cutting mechanism 7, wherein the material cutting mechanism 7 includes:

a friction wheel 71, the rotating shaft of which is connected with the main body frame 1 in a penetrating and rotating way and is connected with the surface of the belt clamping block 44 in a rotating way when the belt clamping block 44 moves to the maximum end;

a link gear 72 provided at the same axial end of the friction wheel 71;

a torsion spring 73 provided on the linkage gear 72, and the other end thereof is connected to the side wall of the main body frame 1;

a link chain 74 engaged with a circumferential surface of the link gear 72 for connecting and synchronously rotating;

a chain wheel 75 sleeved inside the linkage chain 74 and rotatably connected with the inner side wall of the main body frame 1;

a set of feed rollers 76 mounted on the side walls of the chain rollers 75;

and a cutting blade 77 disposed at a position on the sidewall of the main body frame 1 near the chain wheel 75 and on a side where the transfer wheel 76 moves to lift the roll film.

As a further aspect of the present invention, as shown in fig. 9, a set of PET dehumidifying wheels 62 is shown to be symmetrically distributed about both sides of the PET film and not to generate a pressing force in contact with the surface of the PET film, and a set of TPU dehumidifying wheels 64 is shown to be symmetrically distributed about both sides of the TPU film and not to generate a pressing force in contact with the surface of the PET film;

when the belt clamping block 44 is expanded to a certain position, the surface of the belt clamping block 44 contacts with the circumferential surface of the friction wheel 71 to drive the friction wheel 71 to rotate, and then the linkage gear 72 is driven to rotate to twist the torsion spring 73, the linkage gear 72 rotates to drive the chain wheel 75 to rotate through the linkage chain 74, and then the feeding rotating wheel 76 is driven to rotate, because the feeding rotating wheel 76 winds the moving track of the film into an S shape when being static, redundant moisture on the surface of the lowest point can drop off, the film surface is effectively dehumidified, and meanwhile, the feeding rotating wheel 76 drives the film to be attached to the cutting blade 77 in an inclined upward direction to cut the film, so that the function of automatically and quantitatively cutting the film is achieved.

As a further scheme of the present invention, as shown in fig. 5 and 9, the one-way water inlet pipe 54 and the one-way spray head 57 are both of a one-way water outlet structure, and the one-way water inlet pipe 54 and the one-way spray head 57 move in a manner opposite to each other, so as to spray water at a positive pressure through the one-way water inlet pipe 54, and water at a negative pressure through the one-way spray head 57, as shown in fig. 9, the water spray curved tank 56 is set in a curved shape, and the distance between two ends of the water spray curved tank crosses the cross section projection positions of the TPU film and the PET film, so as to ensure that both the front and back sides of the TPU film and the PET film can be prevented from static electricity when the one-way spray head 57 humidifies.

Claims

1. The utility model provides an environment-friendly TPU car clothing membrane production is with compound film forming equipment which characterized in that:

comprises a main body frame (1);

the main body frame (1) comprises:

a TPU roller (101) which is rotationally connected with the inner side wall of the main body frame (1);

a PET roller (102) which is arranged at the upper right of the TPU roller (101) and is rotationally connected with the main body frame (1);

a driving component (2) which is rotationally connected with the main body frame (1);

the displacement assembly (3) is connected with the inner side wall of the main body frame (1) in a sliding way;

the speed changing assembly (4) is rotatably connected with the outer side wall of the main body frame (1);

through the continuous increase of the thickness of the winding in the winding process, the displacement component (3) contacted with the surface of the winding continuously moves upwards, the rotating radius of the variable speed component (4) which is gently changed in the moving process is increased to increase the rotating linear speed, and the rotating speed is changed through the thickness of the winding so as to achieve the consistency of the winding and the rolling rotating speed.

2. The composite film forming equipment for producing the environment-friendly TPU vehicle coating film as claimed in claim 1, is characterized in that:

the drive assembly (2) comprises:

a drive unit (21) provided on the main body frame (1);

the winding roller (22) is arranged at the output end of the driving part (21), is connected with the main body frame (1) in a penetrating and rotating mode and is used for driving the winding ring to rotate and wind;

a first rotating wheel (23) which is arranged at the other end of the winding roller (22);

a synchronous belt (24) which is rotationally connected with the first rotating wheel (23);

a second rotating wheel (25) which is rotationally connected with the other end of the synchronous belt (24);

a connecting shaft (26) which is provided at the axis of the second rotating wheel (25) and whose circumferential surface is slidably connected to the movable sleeve (41);

a rotating disc (27) which is arranged at the other end of the connecting shaft (26), is rotatably connected with the main body frame (1), is connected with the movable block (43) in a sliding way, and is connected with the side surface of the movable block (43) close to the axle center of the rotating disc (27) through a connecting spring;

the displacement assembly (3) comprises:

the connecting sliding block (32) is connected with the inner side wall of the main body frame (1) in a sliding manner and is connected with the main body frame (1) through a spring;

the attaching rod (31) is arranged at the bottom of the connecting slide block (32), and the bottom of the attaching rod is in an arc shape, so that the vehicle film is prevented from being scratched;

the thrust sliding rod (33) is arranged at the top of the connecting sliding block (32), and the top of the thrust sliding rod (33) is provided with an arc head;

the stress groove block (34) is arranged to be cut into a block shape and is in sliding connection with the thrust sliding rod (33) through a guide groove of an inner inclined surface;

and the sliding L rod (35) is arranged on the right side surface of the stress groove block (34) in an L shape, and the sliding L rod (35) penetrates through the side wall of the main body frame (1) and is connected with the main body frame (1) in a sliding manner.

3. The composite film forming equipment for producing the environment-friendly TPU vehicle coating film as claimed in the main body frame 1 is characterized in that:

the transmission assembly (4) comprises:

a movable shaft sleeve (41) which is set to be T-shaped and is rotatably connected with the other end of the sliding L rod (35);

the movable rod (42) is provided with a plurality of movable rods which are distributed circumferentially and are rotationally connected with the head of the movable shaft sleeve (41);

a movable block (43) which is rotatably connected to the other end of the movable rod (42);

a belt block (44) which is arranged on the surface of the movable block (43) and is provided with an arc-shaped belt groove on the circumferential surface;

a speed-changing belt (45) rotatably connected to the belt block (44) through a belt groove of the belt block (44);

the peripheral surface of the group of tension wheels (46) is rotationally connected with the speed-changing belt (45) through a circumferential groove, the group of tension wheels (46) are connected with the outer side wall of the main body frame (1) in a sliding mode through a bottom connecting block, and the bottom connecting block of the group of tension wheels (46) is symmetrically connected with the main body frame (1) through a tension elastic part (461);

a belt driven wheel (47), the peripheral surface of which is sleeved and connected with the speed-changing belt (45) through a circumferential groove;

a drive gear (48) coaxially connected to the belt driven pulley (47);

and a driven gear (49) that meshes with the drive gear (48).

4. The composite film forming equipment for producing the environment-friendly TPU vehicle coating film as claimed in claim 3, is characterized in that: the radius of the driving gear (48) is the same as that of the driven gear (49), the driving rubber roller (481) is arranged at the other end, which is positioned on the same shaft, of the belt driven wheel (47), of the driving gear (48), the driven steel roller (491) is arranged at the shaft end of the driven gear (49) and positioned on the driving rubber roller (481) in the same direction of the driving gear (48), and the radius of the driving rubber roller (481) is the same as that of the driven steel roller (491).

5. The composite film forming equipment for producing the environment-friendly TPU vehicle coating film as claimed in claim 1, is characterized in that:

still include humidification subassembly (5), humidification subassembly (5) includes:

the reciprocating slide bar (51) is T-shaped, the head of the reciprocating slide bar is of a long round through groove structure, the tail of the reciprocating slide bar (51) is connected with the main body frame (1) in a penetrating and sliding mode, and the reciprocating slide bar (51) is sleeved with an eccentric rotating rod fixed on the side wall of the driven gear (49) through the head long round through groove;

a pressing piston (52) provided at the other end of the reciprocating slide rod (51);

the water storage tank (53) is arranged on the main body frame (1), and a piston hole formed in the top of the water storage tank is communicated with the extrusion piston (52);

a one-way water inlet pipe (54) provided on the circumferential surface of the water storage tank (53);

a water inlet tank (55) which is arranged at the other end of the one-way water inlet pipe (54), is arranged on the side wall of the main body frame (1) and is used for storing distilled water;

a water spraying bent tank (56) which is arranged on the inner side wall of the main body frame (1) and is connected with the water storage tank (53) through a through hole;

and the unidirectional spray nozzles (57) are all arranged on the water spraying bent tank (56).

6. The composite film forming equipment for producing the environment-friendly TPU vehicle coating film as claimed in claim 1, is characterized in that:

further comprising a dehumidification assembly (6), the dehumidification assembly (6) comprising:

the first belt (61) is sleeved on the surface of the driving rubber roller (481);

the PET dehumidifying wheel (62) is provided with a group, one of the PET dehumidifying wheels is sleeved in the first belt (61), and the group of PET dehumidifying wheels is connected through a cross belt;

the second belt (63) is sleeved on the surface of the driving rubber roller (481);

a TPU moisture removal wheel (64) provided with a set of wheels arranged in the same manner as the PET moisture removal wheel (62).

7. The composite film forming equipment for producing the environment-friendly TPU vehicle coating film as claimed in claim 1, is characterized in that:

still include blank mechanism (7), blank mechanism (7) include:

the rotating shaft of the friction wheel (71) is connected with the main body frame (1) in a penetrating and rotating way, and is connected with the surface of the belt clamping block (44) in a rotating way when the belt clamping block (44) moves to the maximum end;

a linkage gear (72) provided at the coaxial end of the friction wheel (71);

a torsion spring (73) which is arranged on the linkage gear (72), and the other end of the torsion spring is connected with the side wall of the main body frame (1);

a link chain (74) which is engaged with the circumferential surface of the link gear (72) and is used for connection and synchronous rotation;

the chain wheel (75) is sleeved in the linkage chain (74) and is rotationally connected with the inner side wall of the main body frame (1);

a group of feeding rotating wheels (76) arranged on the side wall of the chain wheel (75);

and the cutting blade (77) is arranged at the position, close to the chain wheel (75), of the side wall of the main body frame (1) and is positioned at one side for driving the motor film to rise when the material conveying rotating wheel (76) rotates.

8. The composite film forming equipment for producing the environment-friendly TPU vehicle coating film as claimed in claim 6, is characterized in that: the set of PET dehumidifying wheels (62) are symmetrically distributed on two sides of the PET film and do not generate pressing force when contacting the surface of the PET film, and the set of TPU dehumidifying wheels (64) are symmetrically distributed on two sides of the TPU film and do not generate pressing force when contacting the surface of the PET film.

9. The composite film forming equipment for producing the environment-friendly TPU vehicle coating film as claimed in claim 5, is characterized in that: one-way water outlet structure is adopted for the one-way water inlet pipe (54) and the one-way spray head (57), the movement modes of the one-way water inlet pipe (54) and the one-way spray head (57) are opposite, the water spraying curved tank (56) is set to be in a curved shape, and the distance between two ends crosses the cross section projection positions of the TPU film and the PET film.

10. A composite film forming using method for producing an environment-friendly TPU car cover film is suitable for the composite film forming equipment for producing the environment-friendly TPU car cover film as claimed in any one of claims 1 to 9, and is characterized in that: the composite film forming using method for producing the environment-friendly TPU vehicle coating film comprises the following specific steps: