CN116639521A - Spreading and film covering mechanism - Google Patents

Abstract

The invention relates to the technical field of ground pavement, in particular to a pavement film covering mechanism, which comprises an extrusion die head, a connecting bracket, an unreeling component, a conveying component, an upper press roller component and a lower press roller component, wherein the extrusion die head is provided with an extrusion outlet; the unreeling component is arranged at one side of the connecting bracket; the conveying component is arranged on the connecting bracket and positioned at the lower side of the extrusion port; the upper press roll assembly is positioned between the conveying assembly and the unreeling assembly; the lower compression roller assembly is positioned at the lower side of the conveying assembly; the unreeling component is used for unreeling the film material, the film material is pressed on the conveying component through the upper pressing roller component, when the film material is driven to the extrusion die head through the conveying component, the extrusion die head extrudes the material on the film material, the conveying component drives the film material attached with the material to be conveyed to the lower pressing roller component, and the lower pressing roller component presses the film to be coated on the ground. The invention solves the problem of insufficient uniformity of the existing spreading and laminating equipment.

Description

Spreading and film covering mechanism

Technical Field

The invention relates to the technical field of ground pavement, in particular to a pavement film covering mechanism.

Background

With the progress of science and technology, the research on robot technology is receiving more and more attention and attention. Compared with the biped robot, the wheeled mobile robot has obvious advantages in the aspects of moving speed, running stability, application range, bearing capacity and the like. The wheel type mobile robot is also called a mobile trolley, is widely applied to various industries, and is used as a mobile traction mechanism to drive a working platform to move, and works while moving, so that the degree of automation is greatly improved. When marking construction is carried out on the ground, the cart is generally pushed manually, the barrel filled with hot paint is fixed on the cart, the valve is opened, the spraying pipe connected with the barrel is used for spraying the ground, the efficiency is low, the paint can be cooled when the paint is not sprayed in cold weather, and the uniformity of the paint can be influenced, so that the spraying effect is influenced.

In the prior art, chinese patent publication number is: CN 114620536A discloses a spreading and film-sticking device, in particular to a spreading and film-sticking device capable of realizing automatic walking, spreading and film-sticking while walking. But the existing spreading and laminating process is easy to generate unstable laminating phenomenon, especially the laminating after the material is spread on the ground has poor flatness and laminating effect. There is therefore a need for improvement over existing technical problems.

Disclosure of Invention

In order to solve the problems, the invention provides a spreading and film covering mechanism which solves the problem of insufficient uniformity of the existing spreading and film covering equipment.

The technical scheme adopted by the invention is as follows: the spreading and film covering mechanism comprises an extrusion die head, a connecting bracket, an unreeling component, a conveying component, an upper press roller component and a lower press roller component, wherein the extrusion die head is provided with an extrusion outlet; the unreeling component is arranged on one side of the connecting bracket; the conveying component is arranged on the connecting bracket and positioned at the lower side of the extrusion port; the upper press roll assembly is positioned between the conveying assembly and the unreeling assembly; the lower compression roller assembly is positioned at the lower side of the conveying assembly; the unreeling assembly is used for unreeling the film material, the film material is pressed on the conveying assembly through the upper pressing roll assembly, when the film material is driven to the extrusion die head through the conveying assembly, the extrusion die head extrudes the material on the film material, the conveying assembly drives the film material attached with the material to be conveyed to the lower pressing roll assembly, and the lower pressing roll assembly presses the film to be coated on the ground.

The extrusion die head comprises a first template, a second template and an extrusion runner, wherein the first template and the second template are combined with each other, the extrusion runner is formed between the first template and the second template, the extrusion runner comprises a feed inlet, and one end of the feed inlet is communicated with the extrusion inlet;

the further improvement to above-mentioned scheme is, first template is located the extrusion mouth position and is equipped with the regulation step, install the regulating plate on the regulation step, the one side of regulating plate is towards the pan feeding mouth, be equipped with adjusting element on the first template, adjusting element's one end is connected the regulating plate to be used for adjusting the regulating plate, so that the regulating plate acts on the size adjustment of extrusion mouth.

The improvement of the scheme is that the extrusion runner is in a hanger shape in the front view direction; the extrusion runner is located between the feeding port and the extrusion port and is provided with a flow guiding part, and the flow guiding part is used for guiding materials led in by the feeding port to the extrusion port.

The technical scheme is further improved in that the adjusting plate is provided with a deformation area, and the adjusting element is used for adjusting the size of the feeding hole of the adjusting plate according to the deformation of the deformation area; the adjusting element comprises a compression screw and a tensioning screw, the tensioning screw is in threaded connection with the adjusting plate, and the compression screw is abutted with one surface of the adjusting plate.

The technical scheme is further improved that a gate assembly is arranged on one side of the extrusion die head and comprises a gate bracket arranged on one side of the extrusion die head, at least one group of driving connecting frames arranged on the gate bracket, driving elements arranged on the driving connecting frames, a sliding seat slidably arranged on the driving connecting frames, a hinged frame hinged to the sliding seat and a knife blade connected to the hinged frame; the drive end of the drive element is connected with the knife switch, the drive element is used for driving the knife switch, and the knife switch is used for opening and closing the extrusion opening under the action of the hinge frame.

The gate bracket comprises two supporting angle plates arranged on two sides of the extrusion die head and a connecting beam erected between the two supporting angle plates, wherein a plurality of groups of driving connecting frames are arranged on the connecting beam in a linear array and are connected with the extrusion die head;

the technical scheme is further improved in that a plurality of groups of driving connecting frames are provided with sliding seats, the sliding seats are provided with hinge blocks, the hinge blocks are provided with hinge shafts, the hinge shafts are used for connecting the plurality of groups of hinge blocks on the driving connecting frames in series, and the hinge frames are hinged to the hinge shafts;

the technical scheme is further improved in that the driving connecting frame is provided with a sliding cavity, a sliding shaft is arranged in the sliding cavity, and the sliding seat is slidably connected with the sliding shaft;

the driving element is arranged on the driving connecting frame and positioned at the lower side of the sliding cavity, the driving end of the driving element is connected with a connecting seat, and the connecting seat is connected with the knife switch;

the technical scheme is further improved in that the two groups of the hinge frames are respectively positioned at two sides of the driving connecting frame, the hinge frames are provided with connecting ends, and the connecting ends are connected with the knife switch;

the cross section of the knife switch is L-shaped, the knife switch comprises a vertical surface and a horizontal surface, the vertical surface is used for connecting the driving element and the hinged frame, and the horizontal surface is used for opening and closing the extrusion port;

the scheme is further improved in that a sealing rubber cushion is arranged on one surface of the horizontal plane facing the extrusion opening.

The technical scheme is further improved that the unreeling assembly comprises a unreeling supporting plate connected to the connecting bracket and a unreeling roller arranged on the unreeling supporting plate, wherein hooks are arranged on the unreeling supporting plate, and the unreeling roller is arranged on the hooks;

the upper press roller assembly comprises an upper roller support arranged on the connecting support, an upper roller body slidably arranged on the upper roller support, and an upper roller driving seat arranged on the upper roller support and in driving connection with the upper roller body, wherein the upper roller driving seat is used for driving the upper roller body to relatively move towards the conveying assembly.

The conveying assembly comprises a conveying bracket connected with the connecting bracket, two conveying guide rollers arranged on two sides of the conveying bracket, a conveying belt transmitted between the two conveying guide rollers and a conveying driving module for driving the conveying guide rollers to rotate;

the technical scheme is further improved in that a positioning guide groove is formed in the conveying guide roller, a positioning guide strip is arranged on the conveying belt, and the positioning guide strip is used for being matched with the positioning guide groove;

the technical scheme is further improved in that the upper roller driving seat is used for driving the upper roller body, so that the outer diameter of the upper roller body is tangential to the outer surface of the conveying belt, and the film material is pressed on the surface of the conveying belt for conveying.

The lower press roller assembly comprises two lower roller driving seats arranged on two sides of the connecting support and a lower roller body connected between the two lower roller driving seats, wherein the lower roller driving seats are used for driving the lower roller body to move downwards on the ground so as to press a film material roller to form a film on the ground.

The technical scheme is further improved, and the device further comprises a cutting assembly, wherein the cutting assembly is arranged on the connecting bracket and is used for cutting the film material;

the cutting assembly comprises two cutting driving seats arranged on two sides of the connecting bracket, a cutting bracket connected with the two cutting driving seats, and a cutting element arranged on the cutting bracket, wherein the cutting element is close to the lower pressing roller assembly;

the technical scheme is further improved that the cutting element comprises a stretching guide wheel and a cutting heating wire wound on the stretching guide wheel.

The beneficial effects of the invention are as follows:

compared with the existing spreading and laminating, the unreeling component is used for unreeling the film material, the upper pressing roll component presses the film material on the conveying component, when the film material is driven to the extrusion die head through the conveying component, the extrusion die head extrudes the material on the film material, the conveying component drives the film material attached with the material to the lower pressing roll component, and the lower pressing roll component presses the film material on the ground; the whole process is to extrude the material onto the film material firstly, then to compact the film material film on the ground in a conveying and rolling mode, so that the compacting effect of the film material and the material rolled on the ground is guaranteed, the uniformity between the material and the ground and the film material is also effectively guaranteed, and the precision and effect of spreading and film covering are greatly improved. Solves the problem of insufficient uniformity of the prior spreading and laminating equipment.

Drawings

FIG. 1 is a schematic perspective view of a spreading and film-covering mechanism of the present invention;

FIG. 2 is a perspective view of the paving and laminating mechanism of FIG. 1 from another perspective;

FIG. 3 is a schematic side view of the paving and laminating mechanism of FIG. 1;

FIG. 4 is a schematic perspective view of an extrusion die of the layup laminating mechanism of FIG. 1;

FIG. 5 is an exploded view of the extrusion die of FIG. 4;

FIG. 6 is a front view of the extrusion die of FIG. 4;

FIG. 7 is a cross-sectional view of A-A of FIG. 6;

FIG. 8 is a front view of an extrusion die and gate assembly of the decking and laminating mechanism of FIG. 1;

FIG. 9 is a cross-sectional view of B-B of FIG. 8;

FIG. 10 is a perspective view of a gate assembly of the paving and laminating mechanism of FIG. 1;

FIG. 11 is an exploded view of the gate assembly of FIG. 10;

FIG. 12 is a schematic perspective view of the blanket coating mechanism of FIG. 1 concealing an extrusion die;

FIG. 13 is an enlarged schematic view of FIG. 12 at A;

fig. 14 is an exploded view of a conveyor assembly of the decking and laminating mechanism of fig. 1.

Reference numerals illustrate: extrusion die head 1, first die plate 11, second die plate 12, extrusion runner 13, feed inlet 131, extrusion outlet 132, diversion portion 133, adjusting plate 14, deformation zone 141, adjusting element 15, compression screw 151, and tension screw 152;

a connection bracket 2;

unreeling assembly 3, unreeling supporting plate 31, unreeling roller 32 and hanging hook 33;

the conveying assembly 4, the conveying bracket 41, the conveying guide roller 42, the positioning guide groove 421, the conveying belt 43, the conveying driving module 44 and the synchronous belt 441;

an upper press roller assembly 5, an upper roller bracket 51, an upper roller body 52 and an upper roller driving seat 53;

a lower press roller assembly 6, a lower roller driving seat 61, and a lower roller body 62;

gate assembly 7, gate bracket 71, support gusset 711, connecting beam 712, driving link 72, sliding chamber 721, sliding shaft 722, driving element 73, connecting seat 731, sliding seat 74, hinge block 741, hinge shaft 742, hinge frame 75, connecting end 751, knife gate 76, vertical face 761, horizontal face 762, and sealing rubber pad 763;

cutting assembly 8, cutting drive seat 81, cutting bracket 82, cutting element 83, stretching guide 831, and cutting heating wire 832.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1 to 14, in one embodiment of the present invention, a spreading and laminating mechanism is provided, wherein an extrusion die head 1, a connecting bracket 2, an unreeling assembly 3, a conveying assembly 4, an upper press roller assembly 5 and a lower press roller assembly 6 are arranged, and the extrusion die head 1 is provided with an extrusion opening 132; the unreeling assembly 3 is arranged on one side of the connecting bracket 2; the conveying assembly 4 is arranged on the connecting bracket 2 and positioned at the lower side of the extrusion opening 132; the upper press roller assembly 5 is positioned between the conveying assembly 4 and the unreeling assembly 3; the lower compression roller assembly 6 is positioned at the lower side of the conveying assembly 4; unreeling subassembly 3 is used for the film material unreeling, presses the film material on conveying assembly 4 through last compression roller assembly 5, and when the film material drove to extrusion die head 1 through conveying assembly 4, extrusion die head 1 extrudes the material on to the film material, and conveying assembly 4 drives the film material that has attached to the material and carries to lower compression roller assembly 6, and lower compression roller assembly 6 will roll-in tectorial membrane on ground.

Referring to fig. 4 to 7, the extrusion die head 1 includes a first die plate 11, a second die plate 12, and an extrusion flow channel 13, wherein the first die plate 11 and the second die plate 12 are combined with each other, the extrusion flow channel 13 is formed between the first die plate 11 and the second die plate 12, the extrusion flow channel 13 includes a feed inlet 131, and one end of the feed inlet 131 is communicated with the extrusion inlet 132; an adjusting step is arranged at the position of the extrusion opening 132, an adjusting plate 14 is arranged on the adjusting step, and the size of the extrusion opening 132 can be adjusted under the action of an adjusting element. The first template 11 is provided with an adjusting step at the position of the extrusion opening 132, an adjusting plate 14 is arranged on the adjusting step, one surface of the adjusting plate 14 faces the feeding opening 131, the first template 11 is provided with an adjusting element 15, and one end of the adjusting element 15 is connected with the adjusting plate 14 and is used for adjusting the adjusting plate 14 so that the adjusting plate 14 acts on the size adjustment of the extrusion opening 132; in this embodiment, the extrusion port 132 is designed in a strip shape, and the position of the extrusion port 132, which is not uniform in discharge, can be adjusted in the extrusion process, so that the uniformity and consistency in the discharge process are ensured. The problem of current extrusion die head 1 extrude inhomogeneous to the material is solved, has designed adjusting element 15 cooperation regulating plate 14 and has adjusted rectangular shape's extrusion mouth 132, adjusts conveniently, and the ejection of compact homogeneity after the regulation is good.

The extrusion flow channel 13 is in a hanger shape in the front view direction; a guiding part 133 is arranged between the material inlet 131 and the extrusion port 132 of the extrusion flow channel 13, and the guiding part 133 is used for guiding the material led in by the material inlet 131 to the extrusion port 132; the extrusion runner 13 in the shape of a clothes hanger is adopted, the feeding port 131 is shaped like a hanger hook, the extrusion port 132 is the bottom of the clothes hanger, and the extrusion port 132 is uniformly guided after entering the runner. The diversion part 133 is arranged to evenly guide the materials, so that the uniformity of material extrusion is further ensured.

The adjusting plate 14 is provided with a deformation area 141, and the adjusting element 15 is used for adjusting the size of the feeding hole 131 by the adjusting plate 14 according to the deformation of the deformation area 141; the adjusting element 15 comprises a compression screw 151 and a tension screw 152, the tension screw 152 is in threaded connection with the adjusting plate 14, and the compression screw 151 is abutted with one surface of the adjusting plate 14; in this embodiment, the deformation of the deformation region 141 is adjusted to deform the adjusting plate 14 and the extrusion opening 132, so as to adjust the size of the extrusion opening 132.

Referring to fig. 8 to 11, a gate assembly 7 is provided at one side of the extrusion die 1, and the gate assembly 7 includes a gate bracket 71 provided at one side of the extrusion die 1, at least one group of driving links 72 provided on the gate bracket 71, a driving member 73 mounted on the driving links 72, a sliding seat 74 slidably mounted on the driving links 72, a hinge bracket 75 hinged to the sliding seat 74, and a knife 76 connected to the hinge bracket 75; the driving end of the driving element 73 is connected with the knife 76, the driving element 73 is used for driving the knife 76, and the knife 76 is used for opening and closing the extrusion opening 132 under the action of the hinged frame 75; in this embodiment, the extrusion port 132 for extrusion of the die is provided with a gate, and in use, when the extrusion die 1 is stopped, the gate assembly 7 closes the extrusion port 132 to prevent excessive material from flowing out of the extrusion port 132. Specifically, the gate bracket 71 is used for the fixed installation and connection of the structure, the driving connection frame 72 is designed to have one or more according to the length of the extrusion opening 132, in use, the driving element 73 is used for driving the gate blade 76, and the gate blade 76 is used for opening and closing the extrusion opening 132 under the action of the hinge frame 75; and the hinge bracket 75 is movable by the slide seat 74, so that the closure can be performed according to the position of the extruding opening 132. The problem that the extrusion outlet 132 of the extrusion die head 1 cannot be effectively closed in the prior art is solved, and a gate structure is adopted for opening and closing the extrusion outlet 132, so that redundant materials are prevented from being extruded or leaked.

The gate bracket 71 comprises two supporting angle plates 711 arranged on two sides of the extrusion die head 1 and a connecting beam 712 arranged between the two supporting angle plates 711, wherein a plurality of groups of driving connecting frames 72 are arranged on the connecting beam 712 in a linear array, and are connected with the extrusion die head 1; in this embodiment, the extrusion die head 1 is connected by two support angle plates 711, and a connecting beam 712 is provided to form a connected beam structure, so that multiple groups of driving connecting frames 72 can be connected and installed in parallel, and the structure is stable and reliable.

The improvement of the above embodiment is that a plurality of groups of driving connection frames 72 are provided with sliding seats 74, hinge blocks 741 are installed on the sliding seats 74, hinge shafts 742 are arranged on the hinge blocks 741, the hinge shafts 742 are used for connecting the hinge blocks 741 on the plurality of groups of driving connection frames 72 in series, and the hinge frames 75 are hinged to the hinge shafts 742; the hinge shaft 742 is provided for connecting the hinge blocks 741 and the hinge frames 75 in series, and performs a hinge operation during a hinge operation, and is movable on the drive link frame 72 following the slide seat 74, and the hinge frames 75 are movable with the hinge shaft 742 as an axis under the action of the drive member 73.

The improvement of the above embodiment is that the driving connecting frame 72 is provided with a sliding cavity 721, a sliding shaft 722 is arranged in the sliding cavity 721, and the sliding seat 74 is slidably connected with the sliding shaft 722; in the present embodiment, a slide shaft 722 is provided for slide-connection of the slide block, and is slidable along the slide chamber 721 by the hinge bracket 75 and the driving member 73.

The improvement of the embodiment is that the driving element 73 is arranged on the driving connecting frame 72 and positioned at the lower side of the sliding cavity 721, the driving end of the driving element 73 is connected with a connecting seat 731, and the connecting seat 731 is connected with the knife switch 76; the connecting seat 731 is used for connecting the driving element 73 and the knife switch 76, directly driving the knife switch 76 to move in the driving process, and moving along the hinge limiting direction under the action of the hinge seat in the moving process of the knife switch 76, so as to seal the extruding opening 132. In this embodiment, the driving end of the driving element 73 is connected to the connection seat 731 by a hinge.

The improvement of the embodiment is that the hinged frame 75 is provided with two groups and is respectively positioned at two sides of the driving connecting frame 72, the hinged frame 75 is provided with a connecting end 751, and the connecting end 751 is connected with the knife switch 76; in this embodiment, the connection end 751 of the hinge bracket 75 is fixedly connected to the knife 76, and the structural connection is stable.

In a modification of the above embodiment, the cross-sectional shape of the blade 76 is L-shaped, the blade 76 includes a vertical surface 761 and a horizontal surface 762, the vertical surface 761 is used for connecting the driving element 73 and the hinge frame 75, and the horizontal surface 762 is used for opening and closing the extrusion opening 132; the knife 76 having an L-shaped structure is hinged to raise the horizontal surface 762 obliquely upward during driving, so that the extrusion port 132 can be sealed and opened.

The improvement of the above embodiment is that the surface of the horizontal surface 762 facing the extrusion opening 132 is provided with a sealing rubber pad 763; a sealing rubber gasket 763 is provided to seal the extrusion port 132.

Referring to fig. 12 to 14, the unreeling assembly 3 includes a unreeling support plate 31 connected to the connecting bracket 2, and a unreeling roller 32 placed on the unreeling support plate 31, wherein a hook 33 is opened on the unreeling support plate 31, and the unreeling roller 32 is placed on the hook 33; the setting material supporting plate 31 is used for placing the material discharging roller 32, and the hanging hooks 33 are adopted for setting, so that the membrane material can be replaced conveniently. In practical use, a second hook 33 may be provided on the unreeling support plate 31, and the second hook 33 may be provided with a guide roller for stretching and guiding during unreeling of the film material.

The upper press roller assembly 5 comprises an upper roller bracket 51 arranged on the connecting bracket 2, an upper roller body 52 slidably arranged on the upper roller bracket 51, and an upper roller driving seat 53 arranged on the upper roller bracket 51 and in driving connection with the upper roller body 52, wherein the upper roller driving seat 53 is used for driving the upper roller body 52 to relatively move towards the conveying assembly 4; in use, the upper roller driving seat 53 is designed as a cylinder, and under the action of the driving of the cylinder, the outer diameter of the upper roller body 52 is tangential to the outer surface of the conveying belt, and the film material is pressed on the surface of the conveying belt for conveying. When the waterproof coating is conveyed, the waterproof coating is adhered to the membrane material after the surface of the waterproof coating is extruded by the extrusion die head 1, and then the membrane material is driven to be conveyed to the lower press roller assembly 6 for rolling and laying on the ground under the action of the conveying belt.

The conveying assembly 4 comprises a conveying bracket 41 connected to the connecting bracket 2, two conveying guide rollers 42 arranged on two sides of the conveying bracket 41, a conveying belt 43 transmitted between the two conveying guide rollers 42, and a conveying driving module 44 for driving the conveying guide rollers 42 to rotate; in the conveying process, the conveying driving module 44 drives the conveying guide roller 42 to drive the conveying belt 43 to convey.

The conveying support 41 is internally provided with a placement cavity, the conveying driving module 44 is installed in the placement cavity, the driving end of the conveying driving module 44 is connected with a synchronous belt 441, the synchronous belt 441 is connected with the conveying guide roller 42 in a synchronous transmission manner, in the embodiment, the conveying driving module 44 is a motor, the conveying driving module 44 is installed inside the conveying support 41 in a hidden manner, and the internal placement cavity forms a synchronous transmission structure, so that space is saved.

The conveying guide roller 42 is provided with a positioning guide groove 421, and the conveying belt 43 is provided with a positioning guide bar which is used for matching with the positioning guide groove 421; the positioning guide groove 421 and the positioning guide bar (not shown in the figure) are used for positioning the conveyer belt 43 after being mounted with the conveying guide rail, so that the deviation phenomenon of the conveyer belt 43 after the circulation transmission is prevented, and the structural accuracy is ensured.

The upper roller driving seat 53 is used for driving the upper roller body 52 so that the outer diameter of the upper roller body 52 is tangential to the outer surface of the conveying belt 43 and the film material is pressed on the surface of the conveying belt 43 for conveying; the film material is pressed on the conveyer belt 43 through the upper press roller assembly 5, and the film material is driven to be conveyed to the lower press roller assembly 6 under the action of the conveyer belt 43.

The lower press roller assembly 6 comprises two lower roller driving seats 61 arranged on two sides of the connecting bracket 2 and a lower roller body 62 connected between the two lower roller driving seats 61, wherein the lower roller driving seats 61 are used for driving the lower roller body 62 to move downwards to the ground so as to roll and cover the film material on the ground; in this embodiment, the lower roller driving seat 61 is designed as an electric cylinder, and the thickness of the film or the paint can be arbitrarily adjusted according to the requirement by adopting the electric cylinder design, and meanwhile, the rolling process is also convenient to control.

The film material cutting device further comprises a cutting assembly 8, wherein the cutting assembly 8 is arranged on the connecting bracket 2, and the cutting assembly 8 is used for cutting the film material; in this embodiment, a cutting assembly 8 is added in the above embodiment, and the cutting assembly 8 is used for cutting the film material after finishing the paving of one road section.

The improvement of the above embodiment is that the cutting assembly 8 comprises two cutting driving seats 81 installed at both sides of the connecting bracket 2, a cutting bracket 82 connected to the two cutting driving seats 81, and a cutting element 83 installed on the cutting bracket 82, wherein the cutting element 83 is close to the lower press roll assembly 6; in this embodiment, the cutting driving seat 81 is an air cylinder, and two sets of synchronous operations drive the cutting bracket 82 and the cutting element 83 to move, so as to cut off the film material entering the lower press roller assembly 6 by turning the conveying belt 43.

In the above embodiment, the cutting element 83 includes a stretching guide 831 and a cutting heating wire 832 wound around the stretching guide 831, and in this embodiment, the cutting heating wire 832 is used as a cutting element, so that the film material may be thermally cut after being heated. In other embodiments, the cutting blade is not limited to use with a cutter.

The unreeling component 3 is used for unreeling the film material, the film material is pressed on the conveying component 4 through the upper pressing roll component 5, when the film material is driven to the extrusion die head 1 through the conveying component 4, the extrusion die head 1 extrudes the material on the film material, the conveying component 4 drives the film material attached with the material to be conveyed to the lower pressing roll component 6, and the lower pressing roll component 6 is used for laminating the film on the ground; the whole process is to extrude the material onto the film material firstly, then to compact the film material film on the ground in a conveying and rolling mode, so that the compacting effect of the film material and the material rolled on the ground is guaranteed, the uniformity between the material and the ground and the film material is also effectively guaranteed, and the precision and effect of spreading and film covering are greatly improved. Solves the problem of insufficient uniformity of the prior spreading and laminating equipment.

The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. A spreading and laminating mechanism which is characterized in that: comprising

The extrusion die head is provided with an extrusion port;

the connecting bracket is connected with the connecting bracket,

the unreeling component is arranged on one side of the connecting bracket;

the conveying assembly is arranged on the connecting bracket and positioned at the lower side of the extrusion port;

the upper press roll assembly is positioned between the conveying assembly and the unreeling assembly;

the lower compression roller assembly is positioned at the lower side of the conveying assembly;

the unreeling assembly is used for unreeling the film material, the film material is pressed on the conveying assembly through the upper pressing roll assembly, when the film material is driven to the extrusion die head through the conveying assembly, the extrusion die head extrudes the material on the film material, the conveying assembly drives the film material attached with the material to be conveyed to the lower pressing roll assembly, and the lower pressing roll assembly presses the film to be coated on the ground.

2. The paver-film mechanism of claim 1 wherein: the extrusion die head comprises a first template, a second template and an extrusion runner, wherein the first template and the second template are combined with each other, the extrusion runner is formed between the first template and the second template, the extrusion runner comprises a feeding port, and one end of the feeding port is communicated with the extrusion port;

the first template is located extrusion port position and is equipped with the regulation step, install the regulating plate on the regulation step, the one side of regulating plate is towards the pan feeding mouth, be equipped with adjusting element on the first template, adjusting element's one end is connected the regulating plate to be used for adjusting the regulating plate, so that the regulating plate acts on the size adjustment of extrusion port.

3. The paver-film mechanism of claim 2 wherein: the extrusion flow passage is in a hanger shape in the front view direction; the extrusion runner is located between the feeding port and the extrusion port and is provided with a flow guiding part, and the flow guiding part is used for guiding materials led in by the feeding port to the extrusion port.

4. The paver-film mechanism of claim 2 wherein: the adjusting plate is provided with a deformation area, and the adjusting element is used for adjusting the size of the feeding port by the adjusting plate according to the deformation of the deformation area; the adjusting element comprises a compression screw and a tensioning screw, the tensioning screw is in threaded connection with the adjusting plate, and the compression screw is abutted with one surface of the adjusting plate.

5. The paver-film mechanism of claim 1 wherein: the extrusion die head comprises a die head body, a die head and a die head, wherein one side of the die head body is provided with a gate assembly, and the gate assembly comprises a gate bracket arranged on one side of the die head body, at least one group of driving connecting frames arranged on the gate bracket, driving elements arranged on the driving connecting frames, a sliding seat slidably arranged on the driving connecting frames, a hinged frame hinged to the sliding seat and a knife blade connected to the hinged frame; the drive end of the drive element is connected with the knife switch, the drive element is used for driving the knife switch, and the knife switch is used for opening and closing the extrusion opening under the action of the hinge frame.

6. The paver-film mechanism of claim 5 wherein: the gate bracket comprises two supporting angle plates arranged on two sides of the extrusion die head and a connecting beam erected between the two supporting angle plates, wherein a plurality of groups of driving connecting frames are arranged on the connecting beam in a linear array and are connected with the extrusion die head;

the driving connecting frames are provided with sliding seats, the sliding seats are provided with hinge blocks, the hinge blocks are provided with hinge shafts, the hinge shafts are used for connecting the hinge blocks on the driving connecting frames in series, and the hinge frames are hinged to the hinge shafts;

the driving connecting frame is provided with a sliding cavity, a sliding shaft is arranged in the sliding cavity, and the sliding seat is slidably connected with the sliding shaft;

the driving element is arranged on the driving connecting frame and positioned at the lower side of the sliding cavity, the driving end of the driving element is connected with a connecting seat, and the connecting seat is connected with the knife switch;

the hinge frame is provided with two groups and is respectively positioned at two sides of the driving connecting frame, the hinge frame is provided with a connecting end, and the connecting end is connected with the knife switch;

the section of the knife switch is L-shaped, the knife switch comprises a vertical surface and a horizontal surface, the vertical surface is used for connecting the driving element and the hinged frame, and the horizontal surface is used for opening and closing the extrusion opening;

one surface of the horizontal plane facing the extrusion opening is provided with a sealing rubber cushion.

7. The paver-film mechanism of claim 1 wherein: the unreeling assembly comprises a unreeling supporting plate connected to the connecting bracket and a unreeling roller arranged on the unreeling supporting plate, wherein a hook is arranged on the unreeling supporting plate, and the unreeling roller is arranged on the hook;

the upper press roller assembly comprises an upper roller support arranged on the connecting support, an upper roller body slidably arranged on the upper roller support, and an upper roller driving seat arranged on the upper roller support and in driving connection with the upper roller body, wherein the upper roller driving seat is used for driving the upper roller body to move relatively towards the conveying assembly.

8. The paver-film mechanism of claim 7 wherein: the conveying assembly comprises a conveying bracket connected to the connecting bracket, two conveying guide rollers arranged on two sides of the conveying bracket, a conveying belt transmitted between the two conveying guide rollers and a conveying driving module used for driving the conveying guide rollers to rotate;

the conveying guide roller is provided with a positioning guide groove, and the conveying belt is provided with a positioning guide bar which is used for being matched with the positioning guide groove;

the upper roller driving seat is used for driving the upper roller body, so that the outer diameter of the upper roller body is tangent to the outer surface of the conveying belt, and the film material is pressed on the surface of the conveying belt for conveying.

9. The paver-tectorial mechanism of claim 8, wherein: the lower press roller assembly comprises two lower roller driving seats arranged on two sides of the connecting support and a lower roller body connected between the two lower roller driving seats, and the lower roller driving seats are used for driving the lower roller body to move downwards on the ground so as to press the film material roller to cover the film on the ground.

10. The paver-film mechanism of claim 1 wherein: the cutting assembly is arranged on the connecting bracket and is used for cutting off the film material;

the cutting assembly comprises two cutting driving seats arranged on two sides of the connecting support, a cutting support connected with the two cutting driving seats and a cutting element arranged on the cutting support, and the cutting element is close to the lower pressing roll assembly;

the cutting element comprises a stretching guide wheel and a cutting heating wire wound on the stretching guide wheel.