阅读说明：本技术 一种防水卷材边膜覆膜装置 (Waterproofing membrane limit membrane tectorial membrane device ) 是由 陈建政 刘永秀 李焕迎 王孔瑞 张琳 于 2021-10-12 设计创作，主要内容包括：一种防水卷材边膜覆膜装置,属于覆膜装置领域,包括支架,第一转动辊,第一链轮,第一链条,所述支架为两个,两个支架之间设有数个第一转动辊,第一转动辊的一端分别同轴固定连接第一链轮的一侧,第一链轮的另一侧分别转动安装在对应的支架上,所有第一链轮上啮合连接同一第一链条,第一转动辊的另一端同轴固定连接第一齿轮的一侧,第一齿轮的另一侧分别转动安装在对应的支架上,支架的外侧设有两个前后分布的倒U形架,倒U形架内分别设有导向辊。本发明结构巧妙,使用方便,能够在一卷基胎放卷完毕之后使后续的基胎迅速与上一卷基胎进行衔接,使得该过程中无需停机进行基胎卷的更换,提高了覆膜的效率,使得使用更加方便。(The utility model provides a waterproofing membrane boundary film tectorial membrane device, belongs to the tectorial membrane device field, including the support, first rotation roller, first sprocket, first chain, the support is two, is equipped with the first rotation roller of several between two supports, and the one side of the first sprocket of coaxial fixed connection is respectively to the one end of first rotation roller, and the opposite side of first sprocket rotates respectively to be installed on the support that corresponds, and same first chain is connected in the meshing on all first sprockets, and one side of the first gear of the coaxial fixed connection of the other end of first rotation roller, the opposite side of first gear rotate respectively to be installed on the support that corresponds, and the outside of support is equipped with two inverted U-shaped framves that distribute around, is equipped with the guide roll in the inverted U-shaped frame respectively. The invention has the advantages of ingenious structure and convenient use, can quickly connect the subsequent base tire with the previous base tire after the unreeling of one base tire is finished, does not need to be stopped to replace the base tire roll in the process, improves the film laminating efficiency and ensures that the use is more convenient.)

1. The utility model provides a waterproofing membrane boundary film tectorial membrane device, includes support (1), first rotation roller (2), first sprocket (3), first chain (4), support (1) is two, is equipped with the first rotation roller (2) of several between two supports (1), and the one end of first rotation roller (2) is one side of the first sprocket of coaxial fixed connection (3) respectively, and the opposite side of first sprocket (3) rotates respectively and installs on support (1) that corresponds, and same first chain (4), its characterized in that are connected in the meshing on all first sprockets (3): the other end of the first rotating roller (2) is coaxially and fixedly connected with one side of a first gear (5), the other side of the first gear (5) is respectively and rotatably installed on the corresponding support (1), two inverted U-shaped frames (6) distributed in the front and back are arranged on the outer side of the support (1), guide rollers (7) are respectively arranged in the inverted U-shaped frames (6), one ends of the guide rollers (7) are respectively and coaxially and fixedly installed with first rotating shafts (8), the first rotating shafts (8) are respectively and rotatably installed on the corresponding inverted U-shaped frames (6), the other ends of the guide rollers (7) are respectively and coaxially and fixedly connected with one side of a second gear (9), the other sides of the second gears (9) are respectively and coaxially and fixedly installed with second rotating shafts (10), the second rotating shafts (10) are respectively and rotatably installed on the corresponding inverted U-shaped frames (6), third gears (11) are respectively arranged above the second gears (9), and the third gears (11) are meshed with the corresponding second gears (9), one side of a third gear (11) is coaxially and fixedly provided with a third rotating shaft (12) respectively, the third rotating shafts (12) are rotatably arranged on corresponding inverted U-shaped frames (6) respectively, the middle parts of the peripheries of the inverted U-shaped frames (6) are provided with belt pulleys (13), the belt pulleys (13) are fixedly arranged on the corresponding third rotating shafts (12) respectively, two sides of the inner walls of the inverted U-shaped frames (6) are provided with limit chutes (14) respectively, limit sliders (15) are arranged in the limit chutes (14) in a matching way respectively, winding rollers (16) are arranged in the inverted U-shaped frames (6) respectively, two sides of each winding roller (16) are detachably connected with one end of a fourth rotating shaft (17) respectively, the peripheries of the fourth rotating shafts (17) on one side are fixedly provided with a stepless speed change device respectively, belts (21) are arranged in the inverted U-shaped frames (6) respectively, and the belt pulleys (13) drive the stepless speed change devices to rotate through the belts (21), the other end of the fourth rotating shaft (17) is respectively and rotatably connected with a corresponding limiting sliding block (15), the bottom side of each limiting sliding block (15) is respectively and fixedly provided with a spring (22), the springs (22) are respectively and fixedly arranged in corresponding limiting sliding grooves (14), one side of each inverted U-shaped frame (6) is provided with a first through groove (23), one side of each inverted U-shaped frame (6) is respectively and fixedly provided with a second telescopic rod (24), the upper ends of the second telescopic rods (24) are respectively and fixedly provided with a first vertical plate (25), one side of each first vertical plate (25) is fixedly connected with one side of a second vertical plate (26), the other side of each second vertical plate (26) is fixedly provided with a third vertical plate (27), a first through hole (28) is formed in each first vertical plate (25), a fifth rotating shaft (29) is rotatably arranged in each first through hole (28), second through holes (30) are respectively formed in each limiting sliding block (15), one end of each fifth rotating shaft (29) penetrates through a corresponding second through hole (30) and coaxially rotates with a corresponding fourth rotating shaft (17) The connection, the other end of fifth pivot (29) is fixed mounting fourth gear (31) respectively, the below of fourth gear (31) all is equipped with rotates fifth gear (43) of installing on first riser (25), fifth gear (43) respectively with corresponding fourth gear (31) meshing, on fourth gear (31) respectively fixed mounting second sprocket (32), rotate respectively on third riser (27) and install third sprocket (33), set up second through groove (34) on second riser (26) respectively, meshing connection is the same second chain (35) between second sprocket (32) and the third sprocket (33) that correspond on every frame of falling U-shaped (6), second chain (35) pass corresponding second through groove (34) respectively, coaxial rotation installation sixth gear (36) respectively on third sprocket (33), be equipped with guider between two supports (1).

2. The waterproofing membrane boundary membrane tectorial membrane device of claim 1, characterized in that: continuously variable transmission includes six spring telescopic links (18), six spring telescopic links (18) are fixed mounting respectively on fourth pivot (17) of belt pulley (13) top, the one end of the first telescopic link of the periphery difference fixed connection (19) of spring telescopic link (18) movable rod, the other end of first telescopic link (19) respectively with the periphery fixed connection of the spring telescopic link (18) of the clockwise side that corresponds, the expansion end difference fixed mounting arc (20) of spring telescopic link (18), the periphery of belt pulley (13) and arc (20) that correspond is walked around respectively in belt (21).

3. The waterproofing membrane boundary membrane tectorial membrane device of claim 1, characterized in that: the guide device comprises a second rotating roller (37) located between two supports (1), one end of the second rotating roller (37) is rotatably installed on the corresponding support (1), the other end of the second rotating roller (37) is coaxially and fixedly connected with one side of a seventh gear (38), the other side of the seventh gear (38) is rotatably installed on the corresponding support (1) respectively, a guide plate (39) is arranged between the first rotating roller (2) and the second rotating roller (37), and two sides of the guide plate (39) are fixedly installed on the corresponding support (1) respectively.

4. The waterproofing membrane boundary membrane tectorial membrane device of claim 1, characterized in that: the top surface of the inner wall of the inverted U-shaped frame (6) is respectively provided with a groove (40), a cylinder (51) is arranged in each groove (40), and two ends of each cylinder (51) are respectively rotatably arranged in the corresponding grooves (40).

5. The waterproofing membrane boundary membrane tectorial membrane device of claim 1, characterized in that: the both sides of support (1) are equipped with first electronic slide rail (41) respectively, cooperate installation first slider (42) in first electronic slide rail (41) respectively, the top surface of first slider (42) is electronic slide rail (44) of fixed mounting second respectively, cooperate installation second slider (45) in second electronic slide rail (44) respectively, second slider (45) are towards one side of falling U-shaped frame (6) fixed mounting third electronic slide rail (46) respectively, cooperate installation third slider (47) in third electronic slide rail (46) respectively, every third slider (47) respectively with a falling U-shaped frame (6) fixed connection, one side of support (1) is equipped with controller (48), controller (48) respectively with first electronic slide rail (41), second electronic slide rail (44) and third electronic slide rail (46) pass through circuit connection.

6. The waterproofing membrane boundary membrane tectorial membrane device of claim 1, characterized in that: and two ends of the wind-up roll (16) are respectively and fixedly provided with a first flange plate (49), and a fourth rotating shaft (17) is respectively and fixedly provided with a second flange plate (50) corresponding to the first flange plate (49).

Technical Field

The invention belongs to the field of film laminating devices, and particularly relates to a film laminating device for a side film of a waterproof roll.

Background

A coiled waterproof material is often used for building walls, roofs and other places, plays a role in resisting external rainwater or underground water leakage, and is a coiled flexible building material which is usually produced after a base tire is dipped and coated with asphalt and is subjected to surface film and edge film coating, and the thickness of the base tire after the asphalt is usually dipped and coated is larger than that of an edge film which needs to be coated subsequently.

Disclosure of Invention

The invention provides a waterproof roll edge film laminating device which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a waterproofing membrane boundary film laminating device comprises two supports, a first rotating roller, a first chain wheel and a first chain, wherein a plurality of first rotating rollers are arranged between the two supports, one end of each first rotating roller is respectively and coaxially and fixedly connected with one side of the corresponding first chain wheel, the other side of each first chain wheel is respectively and rotatably installed on the corresponding support, the first chain wheels are meshed with the same first chain, the other end of each first rotating roller is coaxially and fixedly connected with one side of a first gear, the other side of each first gear is respectively and rotatably installed on the corresponding support, two inverted U-shaped frames which are distributed front and back are arranged on the outer sides of the supports, guide rollers are respectively arranged in the inverted U-shaped frames, one end of each guide roller is respectively and coaxially and fixedly installed with a first rotating shaft, the first rotating shafts are respectively and rotatably installed on the corresponding inverted U-shaped frames, the other ends of the guide rollers are respectively and coaxially and fixedly connected with one side of a second gear, the other side of the second gear is respectively and coaxially and fixedly provided with a second rotating shaft, the second rotating shafts are respectively and rotatably arranged on the corresponding inverted U-shaped frames, a third gear is arranged above the second gear and is meshed with the corresponding second gear, one side of the third gear is respectively and coaxially and fixedly provided with a third rotating shaft, the third rotating shafts are respectively and rotatably arranged on the corresponding inverted U-shaped frames, the middle parts of the peripheries of the inverted U-shaped frames are provided with belt pulleys which are respectively and fixedly arranged on the corresponding third rotating shafts, two sides of the inner wall of each inverted U-shaped frame are respectively provided with a limiting chute, a limiting slide block is respectively and cooperatively arranged in each limiting chute, a winding roller is respectively arranged in each inverted U-shaped frame, two sides of each winding roller are respectively detachably connected with one end of a fourth rotating shaft, the periphery of the fourth rotating shaft on one side is respectively and fixedly provided with a stepless speed change device, a belt is respectively arranged in each inverted U-shaped frame, and the belt pulleys drive the stepless speed change devices to rotate through the belts, the other end of the fourth rotating shaft is respectively and rotatably connected with a corresponding limiting slide block, the bottom sides of the limiting slide blocks are respectively and fixedly provided with a spring, the springs are respectively and fixedly arranged in corresponding limiting slide grooves, one side of an inverted U-shaped frame is provided with a first through groove, one side of the inverted U-shaped frame is respectively and fixedly provided with a second telescopic rod, the upper end of the second telescopic rod is respectively and fixedly provided with a first vertical plate, one side of the first vertical plate is fixedly connected with one side of a second vertical plate, the other side of the second vertical plate is fixedly provided with a third vertical plate, the first vertical plate is provided with a first through hole, a fifth rotating shaft is rotatably arranged in the first through hole, the limiting slide blocks are respectively provided with a second through hole, one end of the fifth rotating shaft passes through the corresponding second through hole and is coaxially and rotatably connected with the corresponding fourth rotating shaft, the other end of the fifth rotating shaft is respectively and fixedly provided with a fourth gear, and a fifth gear rotatably arranged on the first vertical plate is arranged below the fourth gear, the fifth gear is respectively meshed with the corresponding fourth gear, the fourth gear is respectively and fixedly provided with a second chain wheel, the third vertical plate is respectively and rotatably provided with a third chain wheel, the second vertical plate is respectively provided with a second through groove, the corresponding second chain wheel and the third chain wheel on each inverted U-shaped frame are respectively connected with the same second chain in a meshed mode, the second chains respectively penetrate through the corresponding second through grooves, the third chain wheel is respectively and coaxially and rotatably provided with a sixth gear, and a guide device is arranged between the two supports.

As above a waterproofing membrane limit membrane tectorial membrane device, infinitely variable speed device includes six spring telescopic links, six spring telescopic links are fixed mounting respectively in the fourth pivot of belt pulley top, the one end of the first telescopic link of the periphery difference fixed connection of spring telescopic link movable rod, the other end of first telescopic link respectively with the clockwise spring telescopic link's that corresponds periphery fixed connection, spring telescopic link's expansion end difference fixed mounting arc, the periphery of the belt pulley that corresponds and arc is walked around respectively to the belt.

According to the edge film laminating device for the waterproof rolls, the guide device comprises a second rotating roller located between two supports, one end of the second rotating roller is rotatably installed on the corresponding support, the other end of the second rotating roller is coaxially and fixedly connected with one side of a seventh gear, the other side of the seventh gear is rotatably installed on the corresponding support respectively, a guide plate is arranged between the first rotating roller and the second rotating roller, and two sides of the guide plate are fixedly installed on the corresponding supports respectively.

According to the waterproof coiled material side film laminating device, the grooves are formed in the top surfaces of the inner walls of the inverted U-shaped frames respectively, the cylinders are arranged in the grooves, and the two ends of each cylinder are rotatably installed in the corresponding grooves respectively.

As above a waterproofing membrane limit membrane tectorial membrane device, the both sides of support are equipped with first electronic slide rail respectively, cooperate the first slider of installation respectively in the first electronic slide rail, the top surface of first slider is the electronic slide rail of fixed mounting second respectively, cooperate the installation second slider respectively in the electronic slide rail of second, the electronic slide rail of one side fixed mounting third respectively of second slider orientation inverted U-shaped frame, cooperate the installation third slider respectively in the electronic slide rail of third, every third slider respectively with an inverted U-shaped frame fixed connection, one side of support is equipped with the controller, the controller passes through circuit connection with first electronic slide rail, the electronic slide rail of second and the electronic slide rail of third respectively.

According to the waterproof roll edge film laminating device, the first flange plates are fixedly mounted at the two ends of the winding roller respectively, and the second flange plates are fixedly mounted on the fourth rotating shaft and correspond to the first flange plates respectively.

The invention has the advantages that: the invention has the advantages of ingenious structure and convenient use, can quickly connect the subsequent base tire with the previous base tire after the unreeling of one base tire is finished, does not need to be stopped to replace the base tire roll in the process, improves the film laminating efficiency and ensures that the use is more convenient. When the device is used, a driving device for driving the first chain wheel to rotate is started, the first chain drives other first chain wheels and the first rotating roller to rotate, the first rotating roller drives the corresponding second gear to rotate through the first gear, the second gear drives the corresponding guide roller to rotate, so that the guide roller and the first rotating roller below the guide roller rotate in opposite directions, the base tire can be driven to move forwards, meanwhile, the second gear drives the corresponding third gear to rotate, the corresponding belt pulley is driven to rotate, the corresponding stepless speed change device is driven to rotate through the belt, the corresponding winding roller continuously unwinds the base tire, the diameter of the base tire roll is continuously reduced in the unwinding process, the rotating speed of the winding roller can be gradually increased through the stepless speed change device, and the unwinding speed of the base tire at the moment is kept unchanged because the linear speed is equal to the product of the angular speed and the diameter, the tearing caused by the increase of the pulling force of the base tire due to the slow unreeling can be avoided, meanwhile, in the process of reducing the diameter of the base tire roll, under the thrust of a corresponding spring, the top side of the base tire roll is in sliding contact fit with the top side of the inner wall of a corresponding inverted U-shaped frame all the time, so that the reeling roller and the fourth rotating shaft continuously ascend in the unreeling process, and further the fifth rotating shaft drives a corresponding first vertical plate, a second vertical plate and a third vertical plate to ascend, meanwhile, the fifth rotating shaft can drive a fourth gear, a second chain wheel, a third chain wheel and a sixth gear to rotate, in the rotating and ascending process, the corresponding sixth gear on the front inverted U-shaped frame is gradually close to the corresponding fifth gear on the rear inverted U-shaped frame until the corresponding base tire roll on the front inverted U-shaped frame is completely unreeled, and at the moment, the corresponding sixth gear on the front inverted U-shaped frame is meshed with the corresponding fifth gear on the rear inverted U-shaped frame, the fifth gear and the fourth gear on the rear side are driven to rotate, the fourth rotating shaft is driven to rotate by the fifth rotating shaft on the inverted U-shaped frame on the rear side, the base tire on the winding roller on the rear side starts to be unwound, the guide roller is driven to rotate by the stepless speed change device, the belt pulley, the third gear and the second gear, the base tire is enabled to move forwards through the guide device, the first rotating roller on the front side and the guide roller on the front side are passed on, the base tire roll is replaced, then the two inverted U-shaped frames are pushed to move forwards, the second gear on the inverted U-shaped frame on the rear side is meshed with the first gear, the base tire can be normally unwound at a constant speed, then the inverted U-shaped frame on the front side is taken down and replaced by a new winding roller wound with the base tire, the inverted U-shaped frame can be placed at the position of the original inverted U-shaped frame on the rear side again, and the device is meshed with the corresponding fifth gear, the rotating speed of the fourth rotating shaft at the front side is high, so that the winding roller at the rear side can be accumulated to a certain extent when unwinding, the phenomenon that the base tire is pulled to a large extent due to the fact that the conveying speed of the front base tire is higher than the speed of pushing the inverted U-shaped frame to move when two inverted U-shaped frames are pushed to move in the follow-up process can be avoided, the phenomenon that the base tire is torn in the process can be avoided, the unwinding speed can be kept constant all the time in the unwinding process through the device, a new base tire roll can be rapidly connected after the unwinding of one base tire is finished, the whole process does not need to be stopped, the film laminating efficiency of the waterproof roll can be improved, in addition, the mode that the distance between the first rotating roller and the guide roller is changed through changing the diameters of the first rotating roller and the guide roller is adopted, the device can be simultaneously suitable for unwinding of the edge film in the film laminating process, and a roll of the edge film can be changed into a new edge film in time after use is finished, further improving the production efficiency.

Drawings

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

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is an enlarged view of the view of FIG. 1 taken along line B; FIG. 4 is a view in the direction C of FIG. 2; FIG. 5 is an enlarged view of section I of FIG. 1; fig. 6 is a partial enlarged view of ii of fig. 1.

Reference numerals: 1. a bracket, 2, a first rotating roller, 3, a first chain wheel, 4, a first chain, 5, a first gear, 6, an inverted U-shaped frame, 7, a guide roller, 8, a first rotating shaft, 9, a second gear, 10, a second rotating shaft, 11, a third gear, 12, a third rotating shaft, 13, a belt pulley, 14, a limit sliding groove, 15, a limit sliding block, 16, a winding roller, 17, a fourth rotating shaft, 18, a spring telescopic rod, 19, a first telescopic rod, 20, an arc-shaped plate, 21, a belt, 22, a spring, 23, a first through groove, 24, a second telescopic rod, 25, a first vertical plate, 26, a second vertical plate, 27, a third vertical plate, 28, a first through hole, 29, a fifth rotating shaft, 30, a second through hole, 31, a fourth gear, 32, a second chain wheel, 33, a third chain wheel, 34, a second through groove, 35, a second chain, 36, a sixth gear, 37, a second rotating roller, 38, a seventh gear, 39. the guide plate, 40, the recess, 41, first electronic slide rail, 42, first slider, 43, fifth gear, 44, second electronic slide rail, 45, second slider, 46, third electronic slide rail, 47, third slider, 48, controller, 49, first ring flange, 50, second ring flange, 51, cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, 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.

A waterproofing membrane boundary film laminating device is shown in figures 1-6 and comprises two supports 1, two first rotating rollers 2, two first chain wheels 3 and two first chains 4, wherein the supports 1 are fixedly arranged on a base, a plurality of first rotating rollers 2 are arranged between the two supports 1, one end of each first rotating roller 2 is coaxially and fixedly connected with one side of each first chain wheel 3, the other side of each first chain wheel 3 is rotatably arranged on the corresponding support 1, one first chain wheel 3 is driven by a power device, all the first chain wheels 3 are meshed and connected with the same first chain 4, the other end of each first rotating roller 2 is coaxially and fixedly connected with one side of a first gear 5, the other side of each first gear 5 is rotatably arranged on the corresponding support 1, two inverted U-shaped frames 6 which are distributed in the front and back are arranged on the outer side of each support 1, the top sides of the inverted U-shaped frames 6 are in contact fit with the bottom surface of the base, guide rollers 7 are respectively arranged in the inverted U-shaped frames 6, the diameters of the guide rollers 7 and the first rotating rollers 2 are the same, one ends of the guide rollers 7 are respectively coaxially and fixedly provided with first rotating shafts 8, the first rotating shafts 8 are respectively and rotatably arranged on the corresponding inverted U-shaped frames 6, the other ends of the guide rollers 7 are respectively and coaxially and fixedly connected with one sides of second gears 9, the second gears 9 positioned at the front sides can be meshed with the first gears 5, the other sides of the second gears 9 are respectively and coaxially and fixedly provided with second rotating shafts 10, the second rotating shafts 10 are respectively and rotatably arranged on the corresponding inverted U-shaped frames 6, third gears 11 are respectively arranged above the second gears 9, the third gears 11 are meshed with the corresponding second gears 9, one sides of the third gears 11 are respectively and coaxially and fixedly provided with third rotating shafts 12, the third rotating shafts 12 are respectively and rotatably arranged on the corresponding inverted U-shaped frames 6, belt pulleys 13 are arranged in the middle parts of the peripheries of the inverted U-shaped frames 6, the belt pulley 13 and the guide roller 7 have the same diameter, the belt pulley 13 is respectively fixedly installed on the corresponding third rotating shaft 12, the two sides of the inner wall of the inverted U-shaped frame 6 are respectively provided with a limiting sliding groove 14, a limiting slide block 15 is respectively installed in the limiting sliding groove 14 in a matching manner, the limiting slide block 15 can only move up and down in the corresponding limiting sliding groove 14, a winding roller 16 is respectively arranged in the inverted U-shaped frame 6, a base tire roll is wound on the guide roller 7, the two sides of the winding roller 16 are respectively detachably connected with one end of a fourth rotating shaft 17, the periphery of the fourth rotating shaft 17 on one side is respectively fixedly installed with a stepless speed change device, a belt 21 is respectively arranged in the inverted U-shaped frame 6, the belt pulley 13 drives the stepless speed change device to rotate through the belt 21, the other end of the fourth rotating shaft 17 is respectively rotatably connected with the corresponding limiting slide block 15, springs 22 are respectively fixedly installed on the bottom sides of the limiting slide blocks 15, and the springs 22 are always in a compressed state, the springs 22 are respectively and fixedly installed in the corresponding limiting sliding grooves 14, a first through groove 23 is formed in one side of the inverted U-shaped frame 6, the first through groove 23 is respectively communicated with the corresponding limiting sliding grooves 14, a second telescopic rod 24 is respectively and fixedly installed on one side of the inverted U-shaped frame 6, a first vertical plate 25 is respectively and fixedly installed at the upper end of the second telescopic rod 24, one side of the first vertical plate 25 is fixedly connected with one side of a second vertical plate 26, a third vertical plate 27 is fixedly installed on the other side of the second vertical plate 26, the cross sections of the first vertical plate 25, the second vertical plate 26 and the third vertical plate 27 are Z-shaped, a first through hole 28 is formed in the first vertical plate 25, a fifth rotating shaft 29 is rotatably installed in the first through hole 28, second through holes 30 are respectively formed in the limiting sliding block 15, one end of the fifth rotating shaft 29 penetrates through the corresponding second through hole 30 to be coaxially and rotatably connected with the corresponding fourth rotating shaft 17, a fourth gear 31 is respectively and fixedly installed at the other end of the fifth rotating shaft 29, the lower part of the fourth gear 31 is provided with a fifth gear 43 which is rotatably arranged on the first vertical plate 25, the fifth gears 43 are respectively engaged with the corresponding fourth gears 31, the fourth gears 31 are respectively and fixedly provided with a second chain wheel 32, the third vertical plate 27 is respectively and rotatably provided with a third chain wheel 33, the second vertical plate 26 is respectively provided with a second through groove 34, the corresponding second chain wheel 32 and the third chain wheel 33 on each inverted U-shaped frame 6 are engaged and connected with a same second chain 35, the second chains 35 respectively pass through the corresponding second through grooves 34, the third chain wheels 33 are respectively and coaxially and rotatably provided with a sixth gear 36, the sixth gear 36 on the front inverted U-shaped frame 6 can be engaged with the fifth gear 43 on the rear inverted U-shaped frame 6, and a guiding device is arranged between the two supports 1. The invention has the advantages of ingenious structure and convenient use, can quickly connect the subsequent base tire with the previous base tire after the unreeling of one base tire is finished, does not need to be stopped to replace the base tire roll in the process, improves the film laminating efficiency and ensures that the use is more convenient. When the device is used, a driving device for driving the first chain wheel 3 to rotate is started, the first chain 4 drives other first chain wheels 3 and the first rotating rollers 2 to rotate, the first rotating rollers 2 drive corresponding second gears 9 to rotate through the first gears 5, the second gears 9 drive corresponding guide rollers 7 to rotate, the rotating directions of the guide rollers 7 and the lower first rotating rollers 2 are opposite, the base tire can be driven to move forwards, meanwhile, the second gears 9 drive corresponding third gears 11 to rotate, further, corresponding belt pulleys 13 are driven to rotate, corresponding stepless speed change devices are driven to rotate through belts 21, corresponding winding rollers 16 are enabled to continuously unwind the base tire, the diameter of a base tire roll is continuously reduced in the unwinding process, the rotating speed of the winding rollers 16 is gradually increased through the stepless speed change devices, and the linear speed is equal to the product of the angular speed and the diameter, therefore, the unwinding speed of the base tire is kept unchanged, the tearing caused by the increase of the pulling force on the base tire due to the slowing of the unwinding can be avoided, meanwhile, in the process of reducing the diameter of the base tire roll, under the thrust of the corresponding spring 22, the top side of the base tire roll is always in sliding contact fit with the top side of the inner wall of the corresponding inverted U-shaped frame 6, so that the winding roller 16 and the fourth rotating shaft 17 continuously ascend in the unwinding process, and then the corresponding first vertical plate 25, the second vertical plate 26 and the third vertical plate 27 are driven to ascend through the fifth rotating shaft 29, meanwhile, the fifth rotating shaft 29 rotates to drive the fourth gear 31, the second chain wheel 32, the third chain wheel 33 and the sixth gear 36 to rotate, in the rotating and ascending processes, the corresponding sixth gear 36 on the front inverted U-shaped frame 6 is gradually close to the corresponding fifth gear 43 on the rear inverted U-shaped frame 6 until the corresponding base tire on the front inverted U-shaped frame 6 is completely unwound, at this time, the corresponding sixth gear 36 on the front inverted U-shaped frame 6 is engaged with the corresponding fifth gear 43 on the rear inverted U-shaped frame 6 to drive the rear fifth gear 43 and the fourth gear 31 to rotate, the fifth rotating shaft 29 on the rear inverted U-shaped frame 6 drives the fourth rotating shaft 17 to rotate, so that the base tire on the winding roller 16 on the rear side starts unwinding, the guide roller 7 is driven to rotate by the stepless speed change device, the belt 21, the belt pulley 13, the third gear 11 and the second gear 9, the base tire is moved forward by the guide device to pass through the first rotating roller 2 on the front side and the guide roller 7 on the front side and then is continuously conveyed, the base tire roll replacement is completed, then, the two inverted U-shaped frames 6 are pushed forward, the second gear 9 on the inverted U-shaped frame 6 on the rear side is engaged with the first gear 5, so that the base tire can be normally unwound at a constant speed, the inverted U-shaped frame 6 on the front side is taken down and a new winding roller 16 wound with the base tire can be unwound again The device is placed at the position of the original inverted U-shaped frame 6 at the rear side, when the sixth gear 36 is meshed with the corresponding fifth gear 43, because the rotating speed of the fourth rotating shaft 17 at the front side is higher at the moment, a certain accumulation can be generated when the wind-up roll 16 at the rear side unreels, the situation that the subsequent two inverted U-shaped frames 6 are pushed to move can be facilitated, the situation that the transmitting speed of a front base tire is higher than the moving speed of pushing the inverted U-shaped frames 6 to generate larger pulling force on the base tire is avoided, the base tire is prevented from being torn in the process is avoided, through the device, the unreeling speed can be kept constant all the time in the unreeling process, a new base tire roll can be rapidly connected after unreeling of one roll of base tire is completed, the whole process does not need to stop, the film covering efficiency of the waterproof coiled material can be improved, in addition, the mode that the distance between the first rotating roll 2 and the guide roll 7 is changed by changing the diameters of the first rotating roll 2 and the guide roll 7, can make this device be applicable to unreeling of tectorial membrane in-process limit membrane simultaneously, can make a roll of limit membrane in time change new limit membrane after using the completion, further improve production efficiency.

Specifically, as shown in fig. 1, the continuously variable transmission according to this embodiment includes six spring telescopic rods 18, the six spring telescopic rods 18 are respectively and fixedly installed on a fourth rotating shaft 17 above the belt pulley 13, the spring telescopic rods 18 are respectively and radially distributed on the periphery of the corresponding fourth rotating shaft 17, the spring telescopic rods 18 are respectively and fixedly located above the corresponding belt pulley 13, the peripheries of the movable rods of the spring telescopic rods 18 are respectively and fixedly connected to one end of a first telescopic rod 19, the other end of the first telescopic rod 19 is respectively and fixedly connected to the periphery of the corresponding clockwise spring telescopic rod 18, the movable ends of the spring telescopic rods 18 are respectively and fixedly installed with an arc plate 20, a belt 21 respectively bypasses the peripheries of the corresponding belt pulley 13 and the arc plate 20, the belt 21 can drive the arc plate 20, the spring telescopic rod 18, the first telescopic rod 19, the fourth rotating shaft 17 and the winding roller 16 to rotate when the belt pulley 13 rotates. Under the ascending thrust of spring 22, the base child contacts the cooperation with the top side of the 6 inner walls of inverted U-shaped frame all the time, along with unreeling, the outside winding base child of wind-up roll 16 reduces gradually, wind-up roll 16 and fourth pivot 17 rise, consequently under the restriction of belt 21, spring telescopic link 18 is inside to contract, simultaneously through first telescopic link 19, can keep the synchronous flexible of spring telescopic link 18, make the distance between fourth pivot 17 distance arc 20 shorten gradually, make the slew velocity of fourth pivot 17 and wind-up roll 16 grow gradually, and the base child periphery reduces gradually owing to the diameter itself, the linear velocity of its periphery is unchangeable, make the base child can be in the process that the constant speed unreeled all the time, avoid influencing subsequent tectorial membrane operation because unreeling speed changes.

Specifically, as shown in fig. 2, the guide device of the present embodiment includes a second rotating roller 37 located between two brackets 1, one end of the second rotating roller 37 is rotatably installed on the corresponding bracket 1, the other end of the second rotating roller 37 is coaxially and fixedly connected to one side of a seventh gear 38, the other side of the seventh gear 38 is rotatably installed on the corresponding bracket 1, the seventh gear 38 can be engaged with the second gear 9 located at the rear side, a guide plate 39 is disposed between the first rotating roller 2 and the second rotating roller 37, and two sides of the guide plate 39 are fixedly installed on the corresponding brackets 1. The base tire on the winding roller 16 at the rear side passes through the space between the guide roller 7 at the rear side and the second rotating roller 37, when the winding roller 16 at the rear side and the fourth rotating shaft 17 rotate, the second gear 9 at the rear side can be driven to rotate through the stepless speed change device, the belt 21, the belt pulley 13 and the third gear 11, the seventh gear 38 is driven to rotate through the second gear 9 at the rear side, the base tire can be pushed to move forwards, and the base tire is pushed to enter the space between the guide roller 7 at the front side and the first rotating roller 2.

Further, as shown in fig. 1, the top surfaces of the inner walls of the inverted U-shaped frames 6 of the present embodiment are respectively provided with a groove 40, each groove 40 is internally provided with a cylinder 51, and two ends of each cylinder 51 are respectively rotatably installed in the corresponding groove 40. Through the contact cooperation of the base tire on the periphery of the winding roller 16 and the cylinder 51, the cylinder 51 can be driven to rotate in the rotating process of the base tire, and the friction force between the base tire and the top surface of the inner wall of the inverted U-shaped frame 6 in the rotating process is reduced.

Furthermore, as shown in fig. 1, two sides of the bracket 1 of this embodiment are respectively provided with a first electric slide rail 41, the first electric slide rail 41 is fixedly installed on the base, a first slide block 42 is respectively installed in the first electric slide rail 41 in a matching manner, the first slide block 42 can only move left and right in the corresponding first electric slide rail 41, a second electric slide rail 44 is respectively installed on the top surface of the first slide block 42 in a fixed manner, a second slide block 45 is respectively installed in the second electric slide rail 44 in a matching manner, the second slide block 45 can only move up and down in the corresponding second electric slide rail 44, a third electric slide rail 46 is respectively installed on one side of the second slide block 45 facing the inverted U-shaped frame 6, a third slide block 47 is respectively installed in a matching manner in the third electric slide rail 46, each third slide block 47 is respectively fixedly connected with one inverted U-shaped frame 6, one side of the bracket 1 is provided with a controller 48, the controller 48 is fixedly installed on the base, the controller 48 is electrically connected to the first electric slide rail 41, the second electric slide rail 44 and the third electric slide rail 46 respectively, and the electrical connection manner is a conventional mature technology, and therefore, the detailed description thereof is omitted. After the base tire in the inverted U-shaped frame 6 on the front side is completely unreeled, the controller 48 controls the corresponding third electric slide rail 46 to start, the third slide block 47 drives the inverted U-shaped frame 6 on the front side to move forward, the controller 48 controls the corresponding second electric slide rail 44 to start, the second slide block 45 drives the inverted U-shaped frame 6 to move vertically upward, so that the inverted U-shaped frame 6 is separated from the support 1, the controller 48 controls the corresponding first electric slide rail 41 to start, the first slide block 42 drives the inverted U-shaped frame 6 on the front side to move outward, at this time, the winding roller 16 can be replaced by a new winding roller 16 wound with the base tire after being disassembled, and meanwhile, the inverted U-shaped frame 6 on the rear side is driven by the corresponding third electric slide rail 46 and third slide block 47 to move horizontally forward to the position of the original inverted U-shaped frame 6 on the front side and the second gear 9 on the inverted U-shaped frame 6 is meshed with the first gear 5 on the support 1, the base tire can be supplemented without stopping the machine, after the wind-up roll 16 is replaced by the inverted U-shaped frame 6 on the previous side, under the control of the controller 48, the inverted U-shaped frame 6 is driven to move backward by the third electric slide rail 46 and the third slide block 47, then the inverted U-shaped frame 6 is driven by the first electric slide rail 41 and the first slide block 42 to move to the upper side of the support 1, the inverted U-shaped frame 6 is driven to descend to the position where the inverted U-shaped frame 6 on the previous side is located by the second electric slide rail 44 and the second slide block 45, the second gear 9 on the inverted U-shaped frame 6 is engaged with the seventh gear 38 on the support 1, the initial part of the base tire passes through the second rotating roll 37 and the corresponding guide roll 7, and the process can be repeated after the base tire on the inverted U-shaped frame 6 on the previous side is completely released.

Furthermore, as shown in fig. 5, in this embodiment, two ends of the wind-up roll 16 are respectively and fixedly mounted with a first flange 49, and the fourth rotating shaft 17 is respectively and fixedly mounted with a second flange 50 corresponding to the first flange 49. The fixing of the wind-up roll 16 can be completed through the first flange 49 and the second flange 50, and the wind-up roll 16 is more convenient to assemble and disassemble.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.