CN110694853B

CN110694853B - Secondary oiling equipment and secondary oiling method for waterproof coiled material

Info

Publication number: CN110694853B
Application number: CN201910884373.2A
Authority: CN
Inventors: 展利
Original assignee: Hebei Zhali Waterproof Machinery Equipment Co ltd
Current assignee: Hebei Zhali Waterproof Machinery Equipment Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2021-03-26
Anticipated expiration: 2039-09-19
Also published as: CN110694853A

Abstract

A secondary oiling device for a waterproof coiled material comprises an oiling pool, a supporting frame, a first pressing roller, a cooling roller, a second pressing roller, a main driving roller, a first forming roller and a second forming roller, wherein the first pressing roller, the cooling roller, the second pressing roller, the main driving roller, the first forming roller and the second forming roller are sequentially arranged in parallel in a crossing mode along the long edge direction of the oiling pool; two ends of the first compression roller and two ends of the second compression roller are respectively connected with a compression roller lifting mechanism; the cooling roller is fixedly arranged above the liquid level of the asphalt coating; the main drive roller is partially immersed in the asphalt coating liquid level in the oiling bath; the first forming roller pair and the second forming roller pair respectively comprise an upper driving roller and a lower driven roller which are vertically arranged at intervals; two ends of the upper driving roller are rotatably arranged above the liquid level of the asphalt coating in a spanning manner; the lower driven roller is arranged right below the upper driving roller, and two ends of the lower driven roller are respectively connected with the lifting mechanism; the gap between the upper driving roller and the lower driven roller of the first forming pair roller is larger than the gap between the upper driving roller and the lower driven roller of the second forming pair roller. The invention has the advantages that: the coating of the asphalt is more uniform.

Description

Secondary oiling equipment and secondary oiling method for waterproof coiled material

Technical Field

The invention belongs to the technical field of waterproof coiled material manufacturing equipment, and particularly relates to a waterproof coiled material secondary oil coating device.

Background

At present, when the domestic waterproof coiled material is produced, the used thick cloth or polyester fiber cloth, glass fiber tire fiber cloth, glass fiber reinforced polyester fiber cloth and other fiber cloth are generally called as tire base cloth, waterproof paint is dip-coated on the tire base cloth to achieve the waterproof effect, and the waterproof paint generally contains oily substances, so the process in the industry is called as 'oiling'. After the oiling is finished, the base fabric after oiling needs to pass through a pair of compression rollers for shaping and pressing, so that the waterproof coating is tightly combined with the base fabric.

In the dip-coating process, due to the influence of various factors such as air bubbles, dip-coating time and the like, the coating on the base fabric after dip-coating is not uniformly distributed, and the thickness does not reach the standard, so that the compactness of the waterproof coiled material is poor, and the qualification rate of the product is reduced.

Disclosure of Invention

The invention mainly aims to provide a secondary oiling device for a waterproof coiled material, which can be uniformly dip-coated with asphalt paint.

The technical scheme for solving the problems is realized as follows:

a secondary oiling device for a waterproof coiled material comprises a rectangular oiling pool, a supporting frame fixedly arranged on the side wall of the oiling pool, a first pressing roller, a cooling roller, a second pressing roller, a main driving roller, a first forming roller and a second forming roller, wherein the first pressing roller, the cooling roller, the second pressing roller, the main driving roller, the first forming roller and the second forming roller are sequentially arranged in parallel in a spanning mode along the long edge direction of the oiling pool;

the inside of the oiling pool is filled with liquefied asphalt paint, and the bottom and the side wall of the oiling pool are provided with heating devices; a temperature sensor is arranged in the oiling pool;

the supporting frame is a frame structure formed by mutually lapping a plurality of cross beams and upright posts;

two ends of the first compression roller and two ends of the second compression roller respectively move up and down through a compression roller lifting mechanism so that the base cloth of the tire is pressed into or floated out of the liquid level of the asphalt coating in the oiling pool;

the cooling roller is fixedly arranged above the liquid level of the asphalt coating through a supporting frame;

the main driving roller is driven by a motor and is partially immersed into the liquid level of the asphalt coating in the oiling pool;

the first forming roller pair and the second forming roller pair are both positioned above the liquid level of the asphalt coating and have the same structure, and both comprise an upper driving roller and a lower driven roller which are vertically arranged at intervals;

the upper driving roller is driven by a motor to rotate, and two ends of the upper driving roller are rotationally arranged above the liquid level of the asphalt coating through a supporting frame; the lower driven roller is arranged right below the upper driving roller, two ends of the lower driven roller are rotatably spanned above the liquid level of the asphalt coating through a supporting frame, and two ends of the lower driven roller are respectively connected with the lifting mechanism;

the gap between the upper driving roller and the lower driven roller of the first forming pair roller is a first gap, the gap between the upper driving roller and the lower driven roller of the second forming pair roller is a second gap, and the first gap is larger than the second gap.

The first compression roller and the second compression roller are identical in structure, are both of a cylindrical structure with a hollow interior, and are uniformly provided with a plurality of through holes on the circumferential surface, so that the compression roller is called a porous compression roller.

The cooling roll is provided with a plurality of fins extending along the radial direction on the circumferential surface, and the cooling roll is called a multi-edge roll.

The compression roller lifting mechanism connected with the two ends of the first compression roller and/or the compression roller lifting mechanism connected with the two ends of the second compression roller are/is a rack compression roller lifting mechanism which comprises a compression roller support plate, a guide upright post, a top plate, a rack, a gear driven by a motor and a back roller; the compression roller support plate is a vertically arranged strip-shaped plate, two ends of the first compression roller and two ends of the second compression roller are respectively and rotatably connected with the bottom end of the compression roller support plate, the top end of the compression roller support plate is fixedly connected with the bottom end of the vertically arranged rack, and at least one guide roller is arranged on the outer side end face of the compression roller support plate; the guide upright post is fixedly arranged on the side wall of the long edge direction of the oil coating pool and corresponds to the horizontal positions of the first pressing roller and the second pressing roller respectively; the guide upright is an コ -shaped channel steel with a notch facing the pressure roller support plate, and a guide roller on the end face of the outer side of the pressure roller support plate is embedded in the guide upright in a sliding manner; the top plate is fixedly connected to the top end of the guide upright post; the gear and the back-rest roller are arranged on the top plate in a horizontal direction oppositely and rotationally, the rack comprises a tooth part and a plane part opposite to the tooth part, the tooth part is meshed with the gear, and the plane part is in sliding connection with the back-rest roller.

The first forming roller and the second forming roller further comprise scraper assemblies used for scraping asphalt coatings on the surfaces of the first forming roller and the second forming roller, each scraper assembly comprises a strip-shaped clamping part and a strip-shaped blade body detachably embedded in the clamping part, and two ends of each clamping part are hinged to the supporting frame; the scraper component is divided into an upper scraper component and a lower scraper component which have the same structure; the upper scraper component is positioned in front of the upper driving roller, and the cutting edge of the blade body of the upper scraper component is downward and is abutted against the circumferential surface of the upper driving roller; the lower scraper component is positioned behind the lower driven roller, and the cutting edge of the blade body of the lower scraper component is upward and is abutted against the circumferential surface of the lower driving roller; the upper scraper component and the lower scraper component are adjusted to be in clearance with the upper driving roller and the lower driven roller through the tensioning mechanism.

The tensioning mechanism comprises a square steel pipe and two groups of hinge devices, wherein the square steel pipe is spanned above the rear part of the upper driving roller through a supporting frame, and each hinge device comprises a screw rod, a spring, a first adjusting nut, a second locking nut, a first connecting piece and a second connecting piece; the screw rods of the two groups of hinging devices are movably arranged in the square steel tube, the two screw rods are mutually vertical, one end of each screw rod movably penetrates into the square steel tube, and the other end of each screw rod is in threaded connection with the first connecting piece; one end of the second connecting piece is hinged with the first connecting piece, and the other end of the second connecting piece is fixedly connected with the clamping part of the scraper component; the spring is arranged on the screw in a penetrating manner, one end of the spring is abutted against the outer side wall of the square steel pipe, and the other end of the spring is abutted against a first adjusting nut for adjusting the compression degree of the spring; the second locking nut is arranged opposite to the first adjusting nut, and the second locking nut is tightly attached to the first connecting piece during fastening.

And splash guards matched with the front profiles of the upper driving roller and the lower driven roller and used for preventing asphalt paint from splashing are fixedly arranged at the two ends in front of the first forming double-roller and the two ends in front of the second forming double-roller respectively.

Wherein, the place ahead of first shaping pair roller and second shaping pair roller all is equipped with the layer board that is used for the water conservancy diversion and holds up child base cloth, the layer board includes the bottom plate that sets up backward slope in the past and sets firmly the curb plate in the bottom plate front end both sides, the bottom plate rear end extends to lower driven voller lower part to with be equipped with between the periphery of lower driven voller and be used for asphalt coating to flow into the water conservancy diversion gap in the oiling bath again, the curb plate and the splashproof of homonymy are articulated, the layer board still is equipped with around curb plate and the articulated department pivoted of splashproof be used for adjusting the actuating lever.

Wherein, the bottom surface in fat liquoring pond is the structure that the low both ends of centre are high, and the minimum department of fat liquoring pond bottom surface has seted up the row's cinder notch that the cross section is convex along fat liquoring pond minor face direction, has seted up the sediment through-hole with the corresponding department in row's cinder notch position on the fat liquoring pond lateral wall, arranges the sediment auger that the cinder through-hole department worn to be equipped with and arranges the cinder notch size and suit, and the inside front end of fat liquoring is equipped with the precipitation tank, and the precipitation tank is separated at fat liquoring pond front end by a baffle and forms, and the height that highly is less than.

The secondary oiling method of the waterproof coiled material secondary oiling equipment comprises the following steps:

s1: preheating the oiling pool, guiding the mixed liquid asphalt coating into a settling tank of the oiling pool, and slowly overflowing from the settling tank into the oiling pool;

s2: adjusting the first gap and the second gap according to process requirements;

s3: respectively adjusting the distance and the tension between the first forming roller and the scraper component and the distance and the tension between the second forming roller and the scraper component according to the process requirements;

s4: unwinding the base fabric subjected to the oil pre-coating treatment in the previous step, and then bypassing the first press roller, wherein the base fabric is pressed below the liquid level of the asphalt coating in the oil coating pool by the first press roller through a press roller lifting mechanism to perform first infiltration;

s5: the base tire cloth wound by the first press roll is cooled for the first time when passing by the cooling roll, but because the time is short, the asphalt attached to the base tire cloth does not reach the solidification state but is in the critical state before solidification, so that the secondary attachment of the asphalt is more facilitated;

s6: the base fabric wound out by the cooling roller bypasses a second pressing roller, and the second pressing roller presses the base fabric into the position below the liquid level of the asphalt coating in the oil coating pool again by using a pressing roller lifting mechanism to perform second infiltration;

s7: the base fabric wound out by the second pressing roller bypasses the main driving roller and is cooled for the second time;

s8: the base fabric which is wound by the main driving roller passes through a first gap of the first forming pair roller to carry out first extrusion forming on the asphalt on the base fabric;

s9: and the base fabric penetrating out of the first gap passes through a second gap of the second forming roller pair, and the asphalt on the base fabric is subjected to secondary extrusion forming and then enters the post-process.

The invention has the beneficial effects that:

the first compression roller, the second compression roller, the first forming pair roller and the second forming pair roller are utilized to realize twice infiltration oiling and twice extrusion forming, so that the adhesion of the asphalt coating on the tire base cloth is more compact and uniform;

the asphalt coating reflows to enter the coating pool again through the arrangement of the scraping assembly, the splash baffle and the supporting plate so as to be reused, and raw materials are saved;

through the arrangement of the sedimentation tank, the structure of the bottom surface of the oil coating pool, which inclines towards the middle, and the slag discharge groove, the asphalt coating can be filtered and is convenient to clean.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1: the position and connection relation of each part of the invention are shown schematically;

FIG. 2: the position and connection relation of each part of the invention are overlooked and schematic;

FIG. 3: the first press roll and the first press roll are schematic in structure;

FIG. 4: a schematic structural diagram of a cooling roller;

FIG. 5: a schematic diagram of the connection relationship between a guide roller and a guide upright post in the compression roller lifting mechanism;

FIG. 6: FIG. 5 is a view in the direction C with the rack and platen in place;

FIG. 7: the connection relation of the gear parts of the compression roller lifting mechanism is enlarged;

FIG. 8: the scraper component is schematically structured;

FIG. 9: a schematic view of a tensioning mechanism;

FIG. 10: schematic structural diagrams of the splash guard and the supporting plate.

Description of the reference numerals

1 oiling pool

101 slag discharging groove

102 settling tank

103 baffle plate

104 temperature sensor

2 support frame

3 first press roll

4 Cooling roll

401 fin

5 second press roll

6 main driving roller

7 first forming pair roller

701 upper driving roller

702 lower driven roller

8 second forming pair roller

801 upper driving roller

802 lower driven roller

9 compression roller elevating system

901 compression roller support plate

902 guide post

903 top plate

904 rack

905 Gear

906 back-rest roller

907 guide roller

10 asphalt coating level

11 splash guard

12 pallet

1201 base plate

1202 side plate

1203 driving rod

1204 flow guiding gap

13 scraper assembly

1301 clamping part

1302 blade body

1401 screw

1402 spring

1403 first adjusting nut

1404 second lock nut

1405 first connecting member

1406 second connector

1407 square steel pipe

15-piece base fabric

B, a hinge part.

Detailed Description

The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 2, which are schematic structural diagrams and plan views of the apparatus for secondary oiling of a waterproof roll according to the present invention, the apparatus for secondary oiling of a waterproof roll according to the present invention includes a rectangular oiling tank 1, a supporting frame fixedly disposed on a side wall of the oiling tank 1, a first pressing roller 3, a cooling roller 4, a second pressing roller 5, a main driving roller 6, a first forming roller 7, and a second forming roller 8, which are sequentially disposed in parallel along a long side direction of the oiling tank 1.

Liquefied asphalt paint is filled in the oil coating pool 1, heating devices (not shown) are arranged at the bottom and on the side wall of the oil coating pool 1, and heat-insulating layers are arranged below the heating devices and on the side wall of the oil coating pool 1; a temperature sensor 104 is arranged in the oiling tank 1.

The support frame 2 is a frame structure formed by mutually overlapping a plurality of cross beams and upright posts, and is used for supporting each part inside.

The two ends of the first press roll 3 and the two ends of the second press roll 5 respectively move up and down through a press roll lifting mechanism 9 so that the base tire fabric 15 is pressed into or floated out of the asphalt coating liquid level 10 in the oil coating pool 1.

The cooling roller 4 is fixed above the asphalt coating liquid level 10 by the support frame 2.

The main driving roller 6 is driven by a motor and partially immersed into the asphalt coating liquid level 10 in the oil coating pool 1, the diameter of the main driving roller 6 is large, the cooling effect can be achieved, the tire base cloth 15 can be supported, the excessive stretching caused by the gravity effect is prevented, and the deformation of the tire base cloth 15 is avoided.

The first forming roller pair 7 and the second forming roller pair 8 are both located above the liquid level of the asphalt coating and have the same structure, and both comprise

upper driving rollers

701 and 801 and lower driven

rollers

702 and 802 which are vertically arranged at intervals. The

upper driving rollers

701 and 801 are driven by a motor to rotate, and two ends of the upper driving rollers are rotationally arranged above the asphalt coating liquid level 10 through the supporting frame 2; the lower driven

rollers

702 and 802 are disposed directly below the

upper driving rollers

701 and 801, and both ends thereof are rotatably disposed over the asphalt coating liquid level 10 via the support frame 2, and both ends thereof are respectively connected to an elevating mechanism, such as a screw elevating mechanism. The gap between the upper drive roller 701 and the lower driven roller 702 of the first forming pair roller 7 is a first gap, and the gap between the upper drive roller 801 and the lower driven roller 802 of the second forming pair roller 8 is a second gap, and the first gap is larger than the second gap.

Before production, the coating tank 1 containing the asphalt paint needs to be preheated in advance to keep the asphalt paint in good wettability for better coating on the tire base fabric 15.

After preheating is finished, the base fabric 15 enters the oiling pool 1 from the previous process, sequentially bypasses the first press roller 3, the cooling roller 4, the second press roller 5 and the main driving roller 6 from the bottom of the first press roller 3, sequentially passes through the first forming pair roller 7 and the second forming pair roller 8, and is output to enter the subsequent process. Wherein the former procedure is a primary oiling procedure.

The first press roll 3 presses the base fabric 15 below the asphalt paint liquid level 10 by the press roll lifting mechanism 9 to perform first infiltration of the base fabric 15, and then when the base fabric passes around the cooling roll 4 on the asphalt paint liquid level 10, the hot asphalt paint is cooled because the base fabric 15 is exposed to the air for a certain period of time, and thus an asphalt layer with a certain thickness is preliminarily formed on the surface of the base fabric 15. The tire base fabric 15 bypasses the second press roll 5 and is pressed again below the asphalt paint liquid level 10 for a second impregnation. The base fabric 15 is continuously wound to the main driving roller 6 after being wound out from the second pressing roller 5, the main driving roller 6 can drive the base fabric to advance and enable the base fabric 15 to be exposed in the air again to be cooled, so that an asphalt layer with the thickness required by the process is further formed on the base fabric 15, the thickness of the asphalt layer on the surface of the base fabric 15 after twice soaking reaches the standard and is uniformly coated, and the defect that the surface is not smooth due to bubbles and the like is overcome. Then, the base fabric 15 sequentially passes through the first gap of the first forming roller 7 and the second gap of the second forming roller 8, and the first gap is larger than the second gap, so that an asphalt layer on the surface of the base fabric 15 is gradually compacted and reaches the thickness required by the process, bubbles wrapped in the asphalt are extruded at the two gaps again, and the defect that the surface is not smooth is reduced.

Referring to fig. 3, which is a schematic structural diagram of the press roll of the present invention, in the processes of the first impregnation and the second impregnation in the above process, in order to make the base fabric 15 fully contact with the asphalt coating, the first press roll 3 and the second press roll 5 have the same structure, and are both hollow cylindrical structures, and a plurality of through holes are uniformly formed on the circumferential surface thereof, which is also called a porous press roll. When the first press roller 3 and the second press roller 4 press the base fabric 15 into the position below the asphalt coating liquid level 10 through the press roller lifting mechanism 9, liquid asphalt enters the interior of the first press roller 3 and the second press roller 4 through the through holes on the surfaces of the base fabric and the second press roller 4, so that the interior of the base fabric is filled with the liquid asphalt, the surfaces of the base fabric 15, which are in contact with the first press roller 3 and the second press roller 4, can be fully soaked with the asphalt, and therefore when the base fabric 15 is conveyed forwards, the asphalt on the inner side and the asphalt on the outer side of the base fabric are soaked or coated more uniformly.

Referring to fig. 3, which is a schematic view of the structure of the cooling roller of the present invention, in the process of cooling the base fabric for the first time in the above process, in order to cool the base fabric 15 sufficiently, the circumferential surface of the cooling roller 4 is provided with a plurality of fins 401 extending along the radial direction, and the structure is also called a multi-edge roller.

The roller lifting mechanism 9 connected to the first roller 3 and the second roller 5 may be any mechanism with lifting function, and may be the following specific structure, as shown in fig. 1, 5 to 7:

the compression roller lifting mechanism 9 connected with the two ends of the first compression roller 3 and/or the compression roller lifting mechanism 9 connected with the two ends of the second compression roller 5 are rack compression roller lifting mechanisms, and comprise compression roller support plates 901, guide columns 902, top plates 903, racks 904, gears 905 driven by motors and back-rest rollers 906;

the pressing roller support plate 901 is a vertically arranged strip-shaped plate, two ends of the first pressing roller 3 and two ends of the second pressing roller 5 are respectively and rotatably connected with the bottom end of the pressing roller support plate 901, the top end of the pressing roller support plate 901 is fixedly connected with the bottom end of the vertically arranged rack 904, and at least one guide roller 907 is arranged on the outer side end face of the pressing roller support plate 901;

the guide upright column 902 is fixedly arranged on the side wall of the long side direction of the oil coating pool 1 and corresponds to the horizontal positions of the first pressing roller 3 and the second pressing roller 5 respectively; the guide upright column 902 is an コ -shaped channel steel with a notch facing the compression roller support plate 902, and a guide roller 907 on the outer end face of the compression roller support plate 902 is embedded in the guide upright column 902 in a sliding manner so as to keep the lifting process stable;

a top plate 903 is fixedly attached to the top end of the guide post 902.

The gear 905 and the back roller 906 are horizontally disposed on the top plate 903 in an opposing manner and are rotated, and the rack 904 includes a tooth portion engaged with the gear and a flat surface portion opposing the tooth portion, which is slidably connected to the back roller 906.

The specific use steps of the compression roller lifting mechanism 9 are as follows: the gear 905 driven by the motor rotates, the gear 905 drives the tooth part of the rack 904 to move along with the gear, and accordingly the pressing roller support plate 901 is driven to slide in the vertical direction relative to the guide upright 902, and finally the lifting of the first pressing roller 3 or the second pressing roller 5 is completed.

In production, when the base fabric 15 with the asphalt layer passes through the first forming roller 7 and the second forming roller 8, the asphalt is not completely cured and is inevitably attached to the

upper driving rollers

701 and 801 and the lower driven

rollers

702 and 802, the liquid asphalt is cured after being exposed to air for a long time, and in order to avoid forming a solid asphalt layer on the

upper driving rollers

701 and 801 and the lower driven

rollers

702 and 802 so as not to affect the forming thickness of the asphalt layer on the base fabric, the first forming roller 7 and the second forming roller 8 further include a scraper assembly 13 for scraping off the asphalt coating on the surface thereof, as shown in fig. 8 to 9, the scraper assembly 13 includes a strip-shaped clamping portion 1301 and a strip-shaped blade body 1302 detachably embedded in the clamping portion 1301, both ends of the clamping portion 1301 are hinged to the supporting frame 2, and the hinged portion is B. The blade assembly 13 is divided into an upper blade assembly and a lower blade assembly of identical construction. The upper scraper component is positioned in front of the

upper driving rollers

701 and 801, and the cutting edge of the blade body 1302 is downward and is abutted against the circumferential surfaces of the

upper driving rollers

701 and 801; the lower blade assembly is located behind the lower driven

rollers

702, 802 with the cutting edge of the blade body 1302 facing upward and abutting the circumferential surfaces of the

lower drive rollers

702, 802. Both the upper blade assembly and the lower blade assembly adjust the gap with the

upper driving rollers

701, 801 and the lower driven

rollers

702, 802 by the tensioning mechanism.

Referring to fig. 9, the specific mechanism of the tensioning mechanism is: the device comprises a square steel tube 1407 spanned at the back upper part of

upper driving rollers

701 and 801 by a supporting frame 2 and two groups of hinge devices, wherein each hinge device comprises a screw 1401, a spring 1402, a first adjusting nut 1403, a second locking nut 1404, a first connecting piece 1405 and a second connecting piece 1406.

The screw rods 1401 of the two sets of hinging devices are movably arranged in the square steel tube 1407, the two screw rods 1407 are mutually vertical, one end of the screw rod 1401 movably penetrates the square steel tube 1407, and the other end is in threaded connection with the first connecting piece 1405;

one end of the second connecting member 1406 is hinged with the first connecting member 1405, and the other end is fixedly connected with the clamping portion 1301 of the scraper assembly 13;

the spring 1402 is arranged on the screw 1401 in a penetrating way, one end of the spring 1402 abuts against the outer side wall of the square steel tube 1407, and the other end abuts against a first adjusting nut 1403 used for adjusting the compression degree of the spring 1402;

the second locking nut 1404 and the first adjusting nut 1403 are oppositely arranged on the screw 1401 in a penetrating mode, and the second locking nut 1404 is tightly attached to the first connecting piece 1405 in a fastening mode under a normal state so as to prevent the screw 1401 from further displacing.

When the distance between the scraper assemblies 13 needs to be adjusted, because the screw 1401 movably penetrates into the square steel tube 1407, only the second locking nut 1404 needs to be loosened and the screw 1401 is screwed or pulled up and down, the screw 1401 will generate vertical or horizontal displacement, and at the same time, the screw 1401 drives the first connecting piece 1405 connected with the screw to generate vertical or horizontal displacement, and the first connecting piece 1405 drives the second connecting piece 1406 to rotate around the hinge joint part B, so that the distance between the scraper assemblies 13 and the

upper driving rollers

701 and 801 or the lower driven

rollers

702 and 802 is adjusted.

In addition, the first adjusting nut 1403 is rotated towards the square steel tube 1407 or the opposite direction to change the compression state of the spring 1402, so as to adjust the tension of the scraper assembly 13, thereby achieving the function of self-adaptive adjustment. Because the thickness of the asphalt to be scraped off is different between the

upper driving rollers

701 and 801 or the

lower driving rollers

702 and 802, and the thickness of the asphalt adhered to the surfaces of the upper driving rollers and the lower driving rollers gradually increases with the passage of time, the positions of the adjusting spring 1401 and the first adjusting nut 1403 limit the amount of tension of the doctor assembly 13 during the scraping operation, even if the distance between the doctor assembly 13 and the

upper driving rollers

701 and 801 or the lower driven

rollers

702 and 802 is always kept within a fixed numerical range capable of effectively scraping off.

For example, when the first adjusting nut 1403 is moved and locked towards the square steel tube 1407, the spring 1402 is further compressed, so that the displacement variable of the screw 1401 towards the square steel tube 1407 is limited within a small range of value, and therefore the rotation of the scraper assembly 13 around the hinge point B, which is interlocked with the screw 1401 through the first connecting piece 1405 and the second connecting piece 1406, is also limited within a small range of value, i.e. the change of the distance between the scraper assembly 13 and the

upper driving rollers

701 and 801 or the lower driven

rollers

702 and 802 is limited within a small range of value, so that the scraper assembly 13 can perform scraping operation more effectively; when the first adjusting nut 1403 is moved and tightened in a direction away from the square-shaped steel pipe 1407, the opposite effect to the above is produced.

In order to keep the working environment clean, splash guards 11 which are adapted to the front contours of the

upper driving rollers

701 and 801 and the lower driven

rollers

702 and 802 and used for preventing asphalt paint from splashing are respectively fixedly arranged at the two ends of the front of the first forming roller 7 and the two ends of the front of the second forming roller 8, and the splash guards 11 are fixed on the supporting frame 2.

In order to avoid waste, redundant asphalt paint flows back to the oil coating pool 1 again, a supporting plate 12 for guiding and supporting the tire base cloth 15 is arranged in front of the first forming roller 7 and the second forming roller 8, the supporting plate 12 comprises a bottom plate 1201 which is arranged in an inclined mode from front to back and side plates 1202 which are fixedly arranged on two sides of the front end of the bottom plate 1201, the rear end of the bottom plate 1201 extends to the lower portions of the lower driven

rollers

702 and 802, a guiding gap 1204 for enabling the asphalt paint to flow into the oil coating pool 1 again is arranged between the bottom plate 1201 and the circumferential surfaces of the lower driven

rollers

702 and 802, the side plate 1202 on the same side is hinged with the splash baffle 11, a driving rod 1203 which rotates around the hinged portion of the side plate 1202 and the splash baffle 11 and is used for adjusting the guiding gap 1204 is further arranged, and the driving rod 1203 can be. The bottom plate 1201 of the pallet 12 in front of the first forming roller 7 is tangentially abutted against the circumferential surface of the main driving roller 6, so that the base fabric 15 is smoothly conveyed backwards.

Since the asphalt paint in the painting pool 1 is in a non-uniform liquid state and may contain incompletely melted asphalt or other solid impurities which may cause various surface defects if adhered to the base fabric 15, a preliminary filtering mechanism is provided, for example, a settling tank 102 may be provided at the front end of the painting interior 1, the settling tank 102 is partitioned at the front end of the painting pool 1 by a partition plate 103, the height of the partition plate 103 is lower than the height of the sidewall of the painting pool 1, the liquid asphalt paint is slowly injected into the settling tank 102, the solid impurities thereof are deposited at the bottom of the settling tank 102 due to gravity, and the liquid paint without the solid impurities overflows from the top end of the partition plate 103 into the painting pool 1.

Along with the time, part of the asphalt coating still can be solidified and sink into the bottom of the oil coating tank 1, in order to facilitate cleaning, the bottom surface of the oil coating tank 1 can be set to be of a structure with a middle part and two high ends, the lowest part of the bottom surface of the oil coating tank 1 is provided with a slag discharging groove 101 with a circular arc-shaped cross section along the short side direction of the oil coating tank 1, so that sediments can be concentrated at the slag discharging groove 101, slag discharging through holes (not shown) are formed in the side wall of the oil coating tank 1 corresponding to the positions of the slag discharging groove 101, slag discharging packing augers (not shown) matched with the size of the slag discharging groove 101 penetrate through the slag discharging through holes, and when cleaning is needed, the sediments accumulated at the slag discharging groove 101 can be discharged only by starting.

In other embodiments, the blade body 1302 is provided with an air hole on one side, the air hole preferably faces the blade edge, the air hole is provided with an openable and closable shielding plate, the air hole is connected with external equipment through a connecting channel, a three-way electromagnetic valve is arranged at the connecting position, and the external equipment comprises an air supply device and a water supply device. When the surface of the main driving roller 6 needs to be cleaned, the tensioning mechanism is adjusted first, so that the blade body 1302 is in contact with the main driving roller 6, and meanwhile, the water supply device is started to spray water into the air holes, so that the main driving roller 6 is cleaned by water flow. In addition, through the control of the electromagnetic valve, the air supply device and the water supply device can alternately clean the residual asphalt on the surface of the main driving roller 6, and simultaneously, the three devices cooperate with the physical contact cleaning of the blade body 1302 to produce excellent cleaning effect. As a further preferred solution, the air supply device and the water supply device can be activated simultaneously to form a swirling jet of water entrained in the air flow to accomplish surface cleaning of the main drive roller 6.

s1: preheating the oil coating pool 1, guiding the mixed liquid asphalt coating into a precipitation tank 102 of the oil coating pool 1, and slowly overflowing the mixed liquid asphalt coating into the oil coating pool 1 from the precipitation tank 102;

s3: respectively adjusting the distance and the tension degree between the first forming roller 7 and the second forming roller 8 and the scraper component 13 according to the process requirements;

s4: unwinding the base fabric 15 subjected to the oil pre-coating treatment in the previous step, and then bypassing the first press roller 3, wherein the base fabric 15 is pressed below the asphalt coating liquid level 10 of the oil coating pool 1 by the first press roller 3 through a press roller lifting mechanism 9 to perform first infiltration;

s5: the base fabric 15 wound by the first press roll 3 is cooled for the first time when passing by the cooling roll 4, but because the time is short, the asphalt attached to the base fabric 15 does not reach the solidification state but is in the critical state before solidification, so that the secondary attachment of the subsequent asphalt is facilitated;

s6: the base fabric 15 wound out by the cooling roller 4 bypasses the second press roller 5, and the second press roller 5 presses the base fabric 15 into the position below the asphalt coating liquid level 10 of the oil coating pool 1 again by using the press roller lifting mechanism 9 to perform second infiltration;

s7: the base fabric 15 wound out by the second press roller 5 passes around the main driving roller 6 and is cooled for the second time;

s8: the base fabric 15 which is wound by the main driving roller 6 passes through a first gap of the first forming pair roller 7 to carry out first extrusion forming on the asphalt on the base fabric 15;

s9: the base fabric 15 penetrating through the first gap passes through the second gap of the second forming roller 8, and the asphalt on the base fabric 15 is subjected to second extrusion forming and then enters the post-process.

The foregoing description is only of the preferred embodiments of the present invention, and it should be understood that the described embodiments are only a few, and not all, of the embodiments of the present invention. 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.

Claims

1. The utility model provides a waterproofing membrane secondary fat liquoring equipment which characterized in that: the device comprises a rectangular oil coating pool, a supporting frame fixedly arranged on the side wall of the oil coating pool, a first pressing roller, a cooling roller, a second pressing roller, a main driving roller, a first forming roller and a second forming roller, wherein the first pressing roller, the cooling roller, the second pressing roller, the main driving roller, the first forming roller and the second forming roller are sequentially arranged in parallel in a crossing manner along the long edge direction of the oil coating pool;

the two ends of the first compression roller and the two ends of the second compression roller respectively move up and down through a compression roller lifting mechanism so that the base cloth is pressed into or floated out of the liquid level of the asphalt coating in the oiling pool;

the main driving roller is driven by a motor and is partially immersed into the asphalt coating liquid level in the oiling pool;

the first forming roller pair and the second forming roller pair are both positioned above the liquid level of the asphalt coating and have the same structure, and both comprise an upper driving roller and a lower driven roller which are vertically arranged at intervals; the first forming roller and the second forming roller further comprise scraper assemblies used for scraping asphalt paint on the surfaces of the first forming roller and the second forming roller, each scraper assembly comprises a strip-shaped clamping part and a strip-shaped blade body detachably embedded in the clamping part, and two ends of each clamping part are hinged to the supporting frame;

the scraper component is divided into an upper scraper component and a lower scraper component which have the same structure;

the upper scraper component is positioned in front of the upper driving roller, and the cutting edge of the blade body of the upper scraper component is downward and is abutted against the circumferential surface of the upper driving roller;

the lower scraper component is positioned behind the lower driven roller, and the cutting edge of the blade body of the lower scraper component faces upwards and is abutted against the circumferential surface of the lower driven roller;

the upper scraper component and the lower scraper component are both adjusted to be in clearance with the upper driving roller and the lower driven roller through a tensioning mechanism;

an air hole is formed in one side of the blade body, faces the blade edge, and is provided with a shielding plate capable of being opened and closed; when the surface of the main driving roller needs to be cleaned, the tensioning mechanism is adjusted firstly, so that the blade body is in contact with the main driving roller, and the water supply equipment is started to spray water into the air hole, so that water flow cleans the main driving roller;

the upper driving roller is driven by a motor to rotate, and two ends of the upper driving roller are rotationally arranged above the liquid level of the asphalt coating through the supporting frame; the lower driven roller is arranged right below the upper driving roller, two ends of the lower driven roller are rotatably spanned above the liquid level of the asphalt coating through the supporting frame, and two ends of the lower driven roller are respectively connected with the lifting mechanism; a gap between the upper driving roller and the lower driven roller of the first forming pair roller is a first gap, a gap between the upper driving roller and the lower driven roller of the second forming pair roller is a second gap, and the first gap is larger than the second gap;

the tensioning mechanism comprises a square steel pipe and two groups of hinge devices, wherein the square steel pipe is spanned above the rear part of the upper driving roller through the supporting frame, and each hinge device comprises a screw rod, a spring, a first adjusting nut, a second locking nut, a first connecting piece and a second connecting piece;

the screw rods of the two groups of hinging devices are movably arranged in the square steel tube, the two screw rods are mutually vertical, one end of each screw rod movably penetrates into the square steel tube, and the other end of each screw rod is in threaded connection with the first connecting piece;

one end of the second connecting piece is hinged with the first connecting piece, and the other end of the second connecting piece is fixedly connected with the clamping part of the scraper component;

the spring penetrates through the screw rod, one end of the spring abuts against the outer side wall of the square steel pipe, and the other end of the spring abuts against the first adjusting nut for adjusting the compression degree of the spring;

the second locking nut is opposite to the first adjusting nut, and the second locking nut is tightly attached to the first connecting piece during fastening.

2. The equipment for secondarily oiling the waterproof coiled material according to claim 1, wherein the first pressing roller and the second pressing roller have the same structure and are both of a hollow cylinder structure, and a plurality of through holes are uniformly formed in the circumferential surface of the first pressing roller and the second pressing roller, so that the equipment is called a porous pressing roller.

3. The apparatus for secondary oiling of a waterproofing membrane according to claim 1 wherein the circumferential surface of the cooling roller is provided with a plurality of fins extending in the radial direction, called a multi-ribbed roller.

4. The equipment for secondarily oiling the waterproof coiled material according to claim 1, wherein the compression roller lifting mechanisms connected with the two ends of the first compression roller and the compression roller lifting mechanisms connected with the two ends of the second compression roller are rack compression roller lifting mechanisms which comprise compression roller support plates, guide columns, top plates, racks, gears driven by motors and back rollers;

the compression roller support plate is a vertically arranged strip-shaped plate, two ends of the first compression roller and two ends of the second compression roller are respectively and rotatably connected with the bottom end of the compression roller support plate, the top end of the compression roller support plate is fixedly connected with the bottom end of the vertically arranged rack, and at least one guide roller is arranged on the outer side end face of the compression roller support plate;

the guide upright post is fixedly arranged on the side wall of the oil coating pool in the long edge direction and corresponds to the horizontal positions of the first pressing roller and the second pressing roller respectively; the guide upright is an コ -shaped channel steel with a notch facing the compression roller support plate, and the guide roller on the outer end face of the compression roller support plate is embedded in the guide upright in a sliding manner;

the top plate is fixedly connected to the top end of the guide upright post;

the gear and the backrest roller are oppositely and rotatably arranged on the top plate in the horizontal direction, the rack comprises a tooth part and a plane part opposite to the tooth part, the tooth part is meshed with the gear, and the plane part is in sliding connection with the backrest roller.

5. The equipment for secondarily oiling the waterproof coiled material according to claim 1, wherein splash guards adapted to front profiles of the upper driving roller and the lower driven roller and used for preventing the asphalt paint from splashing are fixedly arranged at two ends of the front of the first forming roller and two ends of the front of the second forming roller respectively.

6. The equipment for secondary oiling of the waterproof coiled material according to claim 5, wherein a supporting plate for guiding and supporting the tire base cloth is arranged in front of each of the first forming roller and the second forming roller,

the layer board includes the bottom plate that sets up backward in the past and sets firmly the curb plate of bottom plate front end both sides, the bottom plate rear end extends to lower driven voller lower part, and with be equipped with between the periphery of lower driven voller and be used for pitch coating to flow into once more the water conservancy diversion gap in the oiling pond, the homonymy the curb plate with splash baffle is articulated, the layer board still is equipped with around the curb plate with splash baffle articulated department pivoted is used for adjusting the actuating lever in water conservancy diversion gap.

7. The secondary oiling device for the waterproof coiled material according to claim 1, wherein the bottom surface of the oiling tank is of a structure with a low middle part and two high ends, the lowest part of the bottom surface of the oiling tank is provided with a deslagging groove with a circular arc-shaped cross section along the short side direction of the oiling tank, the side wall of the oiling tank is provided with a deslagging through hole corresponding to the position of the deslagging groove, a deslagging auger matched with the size of the deslagging groove is arranged at the deslagging through hole in a penetrating way, the front end of the inner part of the oiling tank is provided with a precipitation tank, the precipitation tank is formed by separating a partition plate at the front end of the oiling tank, and the height of the partition plate is lower than that of the side wall of the oiling tank.

8. The secondary oiling method for the secondary oiling equipment of the waterproof coiled material according to claim 7, characterized by comprising the following steps: