A glue coating processing equipment for polytetrafluoroethylene-lined storage tanks

Abstract

The invention relates to the technical field of glue coating processing equipment, and in particular to a glue coating processing equipment for a polytetrafluoroethylene-lined storage tank, wherein the equipment is connected to the inner wall of the storage tank by a rotating roller. Before glue coating, the rotating roller swings back and forth synchronously with a horizontal frame and a telescopic frame, and the roller surfaces of the rotating rollers on both sides roll the inner wall of the storage tank. At the same time, a rubber scraping plate at the front end in the swinging direction scrapes away foreign particles forward, and the storage tank is driven to rotate axially by the rotation of the roller, so as to complete the systematic full cleaning of the inner wall of the storage tank. After cleaning, the glue discharging head is controlled to discharge glue, and while coating the glue, the rubber scraping plate at the front end in the swinging direction is used to scrape away excess glue liquid. When the glue coating forms a basic solidification, the rubber surface is also rolled by the roller surface of the rotating roller, and the rubber scraping plate is used to scrape away excess rubber particles on the rubber surface, so as to ensure the flatness and thickness uniformity of the rubber surface, and the arc plate located on the upper part of the rotating roller at the front end in the swinging direction is rotated and opened, so that the scraped objects on the rubber scraping plate enter the inside of the rotating roller along the opened arc plate for collection.

Description

Technical Field

[0001] The invention relates to the technical field of glue coating processing equipment, in particular to glue coating processing equipment for a polytetrafluoroethylene-lined storage tank. Background Art

[0002] A PTFE-lined storage tank is a storage container lined with polytetrafluoroethylene material. It is widely used in the chemical, pharmaceutical, environmental protection and other industries due to its excellent chemical stability and corrosion resistance. The existing preparation of PTFE-lined storage tanks, such as the preparation method of a steel rotational molding storage tank with a polytetrafluoroethylene lining layer disclosed in CN114379074A, generally includes welding of the tank body, sandblasting of the inner wall of the tank body, purging and cleaning of the inner wall of the tank body, gluing of the inner wall of the tank body, vacuum pasting of the PTFE plate, trimming after pasting and welding and sealing at the trimming, testing and other steps. Among them, for the gluing of the inner wall of the tank body, in the prior art, either manual gluing is adopted, or mechanized automatic gluing equipment such as a gluing robot for a glass fiber reinforced plastic storage tank disclosed in CN211802063U is adopted. Although uniform gluing can be achieved, it can also be equipped with air pipes and other devices on the gluing nozzle. The device can realize simple blowing and cleaning during glue coating, but if you want to fully clean the inner wall of the tank before gluing, it is still difficult, or additional professional cleaning equipment and manual cleaning operations are required. On the other hand, when coating, especially for the inner coating of the tank lined with PTFE storage tanks, such as the preparation method of a steel rotational molded storage tank with a polytetrafluoroethylene liner disclosed in CN114379074A, it generally requires multiple layers of glue coating and plate pasting, and because the PTFE plate itself has weak adhesive ability and high sealing requirements in the storage tank, it is necessary to better control the thickness and uniformity of each layer of glue coating to avoid gaps between each layer of glue and between the glue and the PTFE plate, which affects the adhesion and sealing, and the impurities or excess glue particles cleaned out from the inner wall and glue surface of the tank also need to be efficiently removed. Therefore, the existing gluing equipment for PTFE-lined storage tanks still needs to be further improved and optimized. Summary of the invention

[0003] In view of this, the purpose of the present invention is to propose a glue coating processing equipment for polytetrafluoroethylene lined storage tanks, so as to solve the problems that the existing glue coating equipment for polytetrafluoroethylene lined storage tanks cannot systematically and fully clean the inner wall of the tank before gluing, and the thickness and uniformity control of each layer of glue coating need to be further improved, and it is difficult to immediately remove the excess impurities or excess glue particles cleaned out.

[0004] Based on the above purpose, the present invention provides a glue coating processing equipment for a polytetrafluoroethylene-lined storage tank, including a base frame for supporting the storage tank, and also including:

[0005] Rollers provided on the base frame for placing the tanks horizontally;

[0006] A vertical frame is arranged on one side of the bottom frame, and a swinging part is arranged on the top of the vertical frame. The output end of the swinging part is connected to a telescopic frame, and the bottom end of the telescopic frame is connected to a horizontal frame. The bottom end of the horizontal frame is connected to a glue discharge head. The bottom end of the horizontal frame is symmetrically connected to roller frames on both sides of the glue discharge head. The bottom end of the roller frame is rotatably connected to a rotating roller. When applying glue, the swinging part penetrates into the storage tank along the axial direction of the storage tank, and drives the telescopic frame to swing back and forth. The length direction of the telescopic frame faces the radial direction of the storage tank. The length directions of the horizontal frame, the glue discharge head and the rotating roller are all parallel to the axial direction of the storage tank. The rotation of the roller drives the axial rotation of the storage tank to complete the gluing of one circle of the inner wall of the storage tank.

[0007] The rotating roller includes side plates rotatably connected to the bottom end of the roller frame on both sides, and a roller surface between the side plates on both sides. The roller surface is composed of a plurality of arc-shaped plates. The side ends of the arc-shaped plates are rotatably connected to the side plates. The bottom end of the roller frame is connected to a rubber scraping board, which is located on the outside of the roller surface and extends toward the radial direction of the rotating roller. When the telescopic frame swings back and forth, it drives the roller surface of the rotating roller to roll the inner wall or rubber surface of the storage tank, and flattens the inner wall or rubber surface of the storage tank by the rubber scraping board. The arc plate on the upper part of the rotating roller at the front end in the swinging direction is rotated and opened, so that the scraped objects on the rubber scraping board enter the interior of the rotating roller along the opened arc plate for collection.

[0008] Preferably, a limit pin is connected to the bottom of the stand, and a pin hole for the limit pin to be inserted is correspondingly opened on the base frame.

[0009] Preferably, the stand is designed as a lifting structure, and a pulley is connected to the bottom end of the stand. When the stand is lifted and lowered so that the limit pin is inserted into the pin hole, the swinging part penetrates into the storage tank along the axial direction of the storage tank.

[0010] Preferably, the telescopic frame includes a fixed cylinder connected to the output end of the swing part and a movable cylinder telescopically connected to the bottom end of the fixed cylinder, a vertical groove is provided at the bottom of the fixed cylinder along its length direction, a positioning rod is slidably connected in the vertical groove, a positioning hole is provided on the side end of the movable cylinder, and a first sensor is provided at the top of the vertical groove for sensing toward the positioning rod. The movable cylinder naturally extends downward so that when the rotating roller abuts against the inner wall of the storage tank, it is inserted into the positioning hole through the positioning rod and rises through the movable cylinder until the positioning rod moves up a predetermined distance along the vertical groove to start the gluing operation in the storage tank. After one week of gluing in the storage tank, the movable cylinder is triggered to rise until the positioning rod moves up a predetermined distance along the vertical groove to start the gluing operation of the next layer in the storage tank.

[0011] Preferably, a baffle is provided at the front end of the frame, and a second sensor is provided at the middle position and one side end position of the baffle. After one week of glue coating in the storage tank, when the glue layer is simultaneously sensed by the second sensors at the middle position and one side end position, the movable cylinder is triggered to rise until the positioning rod moves up a predetermined distance along the vertical groove, and the glue coating operation of the next layer in the storage tank begins.

[0012] Preferably, the outer end of the scraping plate away from the rotating roller is designed to be spike-shaped, and the inner end of the scraping plate close to the rotating roller is rotatably connected to the bottom end of the roller frame through a side connecting rod.

[0013] Preferably, an inner shaft is fixedly connected to the inner side of the arc-shaped plate, and both ends of the inner shaft are rotatably connected to the side plates respectively.

[0014] Preferably, the end of the inner shaft passes through the side plate and is connected to a blocking rod, which is attached to the outer side of the side plate in a radial direction to prevent the inner shaft from sliding outward and detaching from the rotating roller.

[0015] Preferably, a fan-shaped plate is fixedly connected to the bottom end of the roller frame, and the fan-shaped plate cover is arranged on the upper outer side of the side plate. An outer groove is opened at the outer ring of the fan-shaped plate for the inner shaft end to pass through and slide. The blocking rod is unidirectionally connected to the inner shaft end. When the telescopic frame drives the roller to swing, the roller at the rear end in the swinging direction presses against the inner wall or rubber surface of the storage tank and rotates, and the inner shaft end slides along the outer groove and drives the blocking rod to rotate unidirectionally. The arc plate maintains the initial enclosed closed state, and the roller at the front end in the swinging direction presses against the inner wall or rubber surface of the storage tank and rotates, and the inner shaft slides along the outer groove, pushes the blocking rod through the outer groove, and drives the inner shaft to rotate, so that the corresponding arc plate rotates and opens.

[0016] The beneficial effects of the present invention are as follows: the rollers abut against the inner wall of the storage tank, and before gluing, the rollers swing back and forth synchronously with the horizontal frame and the telescopic frame, and the roller surfaces of the rollers on both sides roll the inner wall of the storage tank, while the front end scraping board on the swinging direction pushes forward, and the arc plate on the upper part of the front end roller in the swinging direction automatically rotates and opens, so that the impurity particles scraped off by the scraping board enter the inner part of the roller for collection, and the axial rotation of the storage tank is driven by the rotation of the rollers, so as to complete the full cleaning of the inner wall of the storage tank for one circle; after cleaning, the inner wall of the storage tank is formed The glue is applied to each curved area on the inner wall of the tank, and the scraping board at the front end in the swinging direction is used to scrape away excess glue, and the excess glue enters the roller along the opened curved plate for collection. After the glue is applied to form a basic solidification, the glue surface is rolled by the roller surface of the roller, and the scraping board is used to scrape and collect excess glue particles on the glue surface. The scraped objects on the scraping board enter the roller along the opened curved plate for collection, so as to ensure the flatness of the glue surface and uniform thickness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the telescopic frame of the present invention when it swings leftward to clean the inner wall of the storage tank;

[0020] Figure 3 It is a structural schematic diagram of the telescopic frame of the present invention when it swings rightward to clean the inner wall of the storage tank;

[0021] Figure 4 It is a structural schematic diagram of the telescopic frame of the present invention when it swings leftwards to the inner wall of the glue coating storage tank;

[0022] Figure 5 It is a structural schematic diagram of the telescopic frame of the present invention when it swings rightward to the inner wall of the glue coating storage tank;

[0023] Figure 6 It is a schematic diagram of the internal structure of the telescopic frame of the present invention;

[0024] Figure 7 It is a structural schematic diagram of the positioning rod of the present invention when it is inserted into the positioning hole;

[0025] Figure 8 It is a structural schematic diagram of the roller frame of the present invention when it swings to the right side;

[0026] Fig. 9 It is a structural schematic diagram of the left rotating roller when the roller frame of the present invention swings toward the right side;

[0027] Fig.10 It is a structural schematic diagram of the right rotating roller when the roller frame of the present invention swings toward the right side;

[0028] Fig.11 It is a schematic structural diagram of the side plate and roller shaft of the present invention.

[0029] The markings in the figure are:

[0030] 1. Storage tank; 2. Base frame; 21. Roller; 22. Pin hole; 3. Vertical frame; 31. Limit pin; 4. Swinging part; 5. Telescopic frame; 51. Fixed cylinder; 52. Movable cylinder; 53. Vertical slot; 530. First sensor; 54. Positioning hole; 6. Horizontal frame; 7. Glue discharging head; 8. Roller frame; 9. Rotating roller; 90. Roller shaft; 91. Side plate; 92. Arc plate; 93. Inner shaft; 94. Blocking rod; 10. Glue scraping board; 101. Side connecting rod; 11. Positioning rod; 12. Baffle; 13. Second sensor; 14. Fan plate; 15. Outer groove. DETAILED DESCRIPTION

[0031] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0032] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0033] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, a glue coating processing equipment for a polytetrafluoroethylene-lined storage tank includes a base frame 2 for supporting the storage tank 1, and also includes a roller 21 arranged on the base frame 2, which is used to place the storage tank 1 horizontally, and a vertical frame 3 arranged on one side of the base frame 2. The vertical frame 3 has a swinging part 4 at the top, and the output end of the swinging part 4 is connected to a telescopic frame 5, and the bottom end of the telescopic frame 5 is connected to a cross frame 6, and the bottom end of the cross frame 6 is connected to a glue outlet 7. The bottom end of the cross frame 6 is located on both sides of the glue outlet 7 and is symmetrically connected to a roller frame 8, and the bottom end of the roller frame 8 is rotatably connected to a rotating roller 9. When coating glue, the swinging part 4 penetrates into the storage tank 1 along the axial direction of the storage tank 1, and drives the telescopic frame 5 to swing back and forth. The length direction of the telescopic frame 5 is toward the radial direction of the storage tank 1, and the length directions of the cross frame 6, the glue outlet 7, and the rotating roller 9 are all parallel to the axial direction of the storage tank 1. The roller 21 rotates to drive the storage tank 1 to rotate axially, and the gluing of the inner wall of the storage tank 1 is completed. The roller 9 includes side plates 91 rotatably connected to the bottom end of the roller frame 8 on both sides, and a roller surface between the side plates 91 on both sides. The roller surface is composed of a plurality of arc-shaped plates 92. The side ends of the arc-shaped plates 92 are rotatably connected to the side plates 91. The bottom end of the roller frame 8 is connected to a scraping board 10, which is located on the outside of the roller surface and extends in the radial direction of the roller 9. When the telescopic frame 5 swings back and forth, the roller surface of the roller 9 is driven to roll the inner wall or rubber surface of the storage tank 1, and the inner wall or rubber surface of the storage tank is flattened by the scraping board 10, and the arc plate 92 on the upper part of the roller 9 at the front end in the swinging direction is rotated and opened, so that the scraped objects on the scraping board 10 enter the inside of the roller 9 along the opened arc plate 92 and are collected.

[0034] The present invention is provided with a base frame 2 for supporting the storage tank 1. The bottom end of the base frame 2 can also be connected to a pulley for pushing the base frame 2 to slide and adjust the position. It also includes a roller 21 provided on the base frame 2 for horizontally placing the storage tank 1. Specifically, the roller 21 can be driven to rotate by a driving component such as a motor on the base frame 2, thereby driving the storage tank 1 to rotate axially. An independent vertical frame 3 is provided on one side of the base frame 2. A swinging part 4 is provided on the top of the vertical frame 3. A telescopic frame 5 is connected to the output end of the swinging part 4. Specifically, the swinging part 4 can adopt existing conventional reciprocating swinging motors, rotating cylinders and other components to drive the telescopic frame 5 to swing back and forth. The telescopic frame 5 can adopt existing conventional The bottom end of the telescopic frame 5 is connected to a cross frame 6, and the bottom end of the cross frame 6 is connected to a glue head 7. The bottom ends of the cross frame 6 are symmetrically connected to roller frames 8 on both sides of the glue head 7. The bottom ends of the roller frames 8 are rotatably connected to rollers 9. When applying glue, the swing portion 4 penetrates into the storage tank 1 along the axial direction of the storage tank 1, and drives the telescopic frame 5 to swing back and forth. The length direction of the telescopic frame 5 is toward the radial direction of the storage tank 1. The length directions of the cross frame 6, the glue head 7, and the rollers 9 are all parallel to the axial direction of the storage tank 1. The cross frame 6 can be externally connected to a glue outlet pipe for passing glue into the glue head 7 and discharging glue toward the bottom end of the tank through the glue head 7. For example Figure 4 , Figure 5 As shown, the glue dispensing head 7 swings back and forth synchronously with the horizontal frame 6 and the telescopic frame 5, and dispenses glue, so that glue is evenly coated on a small arc surface area at the bottom of the tank. After a preset number of repeated swings and glue coating, the glue coating in this area forms a basic solidification, and the roller 21 rotates to drive the storage tank 1 to rotate axially, and then the next arc surface area is evenly coated with glue, thereby completing the glue coating of one circle of the inner wall of the storage tank 1;

[0035] The roller 9 includes side plates 91 rotatably connected to the bottom of the roller frame 8 on both sides, and a roller surface between the side plates 91 on both sides. The roller surface is a cylindrical outer peripheral surface and is surrounded by a plurality of arc-shaped plates 92. The side ends of the arc-shaped plates 92 are rotatably connected to the side plates 91. At the same time, a rubber scraping plate 10 is also connected to the bottom of the roller frame 8. The rubber scraping plate 10 is located on the outside of the roller surface and extends in the radial direction of the roller 9. When the telescopic frame 5 swings back and forth, it drives the roller surface of the roller 9 to roll the inner wall or rubber surface of the storage tank 1. Therefore, before applying the glue, Figure 2 , Figure 3 As shown, the roller 9 abuts against the inner wall of the storage tank 1 and controls the glue dispensing head 7 to temporarily stop dispensing glue. The roller 9 swings back and forth synchronously with the horizontal frame 6 and the telescopic frame 5. For example, when the telescopic frame 5 swings to the right, as shown in FIG. Figure 3As shown, the roller surfaces of the rotating rollers 9 on both sides roll toward the right to press the inner wall of the storage tank 1, which helps to squeeze out the excess bubbles in the sandblasting layer of the inner wall of the storage tank 1. Generally, no larger impurities will be formed on the inner wall of the storage tank 1 after sandblasting. As for small impurity particles, the rubber scraping board 10 located at the front end in the swinging direction, that is, the rubber scraping board 10 on the right, is pushed forward to scrape them away. If the rubber scraping board 10 on the left encounters impurity particles, it will pass over them as the rubber scraping board 10 turns upward. When the telescopic frame 5 swings to the left, as shown in FIG. Figure 2 As shown, the scraping board 10 on the left side pushes forward to scrape away the impurities, and the arc plate 92 on the upper part of the rotating roller 9 at the front end in the swinging direction automatically rotates and opens, so that the impurity particles scraped away by the scraping board 10 naturally enter the inside of the rotating roller 9 for collection. After the cleaning of the arc surface area is completed, the roller 21 rotates to drive the storage tank 1 to rotate axially, and then the cleaning of the next arc surface area is carried out, thereby completing the full cleaning of the system around the inner wall of the storage tank 1;

[0036] After cleaning, a relatively flat surface to be glued is formed on the inner wall of the storage tank 1. At this time, the glue head 7 is controlled to discharge glue. While applying glue on each curved surface area, the glue scraping plate 10 at the front end in the swinging direction is used to scrape off excess glue, and the excess glue enters the inside of the rotating roller 9 along the opened curved plate 92 for collection to ensure the uniformity of the glue coating thickness. After the glue coating forms a basic solidification, the glue surface will be rolled by the roller surface of the rotating roller 9 to help remove bubbles on the glue surface, and the glue scraping plate 10 is used to scrape off and collect excess glue particles on the glue surface to ensure the flatness and thickness uniformity of the glue surface. Since the curved plate 92 on the upper part of the rotating roller 9 at the front end in the swinging direction is rotated and opened, the scraped objects on the glue scraping plate 10 enter the inside of the rotating roller 9 along the opened curved plate 92 for collection.

[0037] The cross section of the glue outlet head 7 can be designed as follows: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 The fan-shaped shape shown in the figure can have a plurality of glue outlet holes at the bottom end of the glue outlet head 7, which is conducive to uniform glue outlet at a large angle.

[0038] In an embodiment of the present invention, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the bottom of the stand 3 is connected with a limit pin 31, and the bottom frame 2 is provided with a pin hole 22 for the limit pin 31 to be inserted;

[0039] At the same time, the stand 3 is designed as a lifting structure, that is, an electric telescopic cylinder structure similar to the telescopic frame 5. A pulley is connected to the bottom end of the stand 3 to facilitate sliding to different positions. The stand 3 is slid to the outside of the base frame 2 and the stand 3 is lifted and lowered, that is, the height of the limit pin 31 is adjusted so that it is just inserted into the pin hole 22. Since a storage tank 1 of corresponding size is placed on the base frame 2, when the limit pin 31 is adjusted to be inserted into the pin hole 22, the swing part 4 also just penetrates into the storage tank 1 along the axial direction of the storage tank 1, so that the position of the stand 3 and the swing part 4 is fixed by the limit pin 31, which is easy to operate.

[0040] In an embodiment of the present invention, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, the telescopic frame 5 includes a fixed cylinder 51 connected to the output end of the swing part 4 and a movable cylinder 52 telescopically connected to the bottom end of the fixed cylinder 51. A vertical groove 53 is provided at the bottom of the fixed cylinder 51 along its length direction. A positioning rod 11 is slidably connected in the vertical groove 53. One end of the positioning rod 11 passes through the vertical groove 53 to facilitate the operation of the end of the positioning rod 11 by hand. A positioning hole 54 is provided on the side end of the movable cylinder 52. A first sensor 530 is provided at the top of the vertical groove 53. The first sensor 530 can adopt existing conventional components such as distance sensors, etc., for sensing toward the positioning rod 11. The movable cylinder 52 naturally extends downward to make the roller 9 contact with the positioning rod 11. When connected to the inner wall of the storage tank 1, the end of the positioning rod 11 can be held by hand and the positioning rod 11 can be inserted into the positioning hole 54. At this time, the systematic cleaning operation of the inner wall of the storage tank 1 begins. After the cleaning is completed, the movable cylinder 52 is controlled to rise until the positioning rod 11 moves up a predetermined distance along the vertical groove 53. The predetermined distance is the thickness of each layer of glue on the inner wall of the storage tank 1. At the same time, the glue head 7 is controlled to discharge glue, and then the gluing operation on the inner wall of the storage tank 1 begins. After one week of gluing in the storage tank 1, the movable cylinder 52 is triggered to rise again until the positioning rod 11 moves up a predetermined distance along the vertical groove 53, and the gluing operation of the next layer in the storage tank 1 begins until all the gluing processes are completed.

[0041] In an embodiment of the present invention, Figures 1 to 7As shown, a baffle 12 is provided at the front end of the stand 3. The baffle 12 is designed to be an arc shape that matches the glue coating area at the bottom end of the storage tank 1, and the arc length of the baffle 12 is greater than the arc length of the glue coating. The baffle 12 is close to the outer edge of the storage tank 1 and does not contact the glue coating. A second sensor 13 is provided at the middle position and one side end position of the baffle 12, so that when the glue head 7 swings back and forth to coat the glue, the glue layer is only sensed by the second sensor 13 at the middle position. For example, the roller 21 rotates, driving the storage tank 1 to rotate counterclockwise. When the storage tank 1 has not yet coated one circle of glue, since the left side has not yet coated glue, The second sensor 13 on the left side does not sense the glue layer until the glue layer turns to the baffle 12 position after one round of glue coating in the storage tank 1. At this time, the movable cylinder 52 is triggered to rise until the positioning rod 11 moves up a predetermined distance along the vertical groove 53, and then the glue coating operation of the next layer in the storage tank 1 is started. After another round of glue coating in the storage tank 1, a higher glue layer is sensed by the second sensors 13 in the middle position and one side end position at the same time, which triggers the movable cylinder 52 to rise and continues to start the glue coating operation of the next layer.

[0042] Specifically, the second sensor 13 can adopt existing conventional components such as distance sensors, and multiple sensors can be arranged vertically in sequence. After each layer of glue is coated for one week, the second sensor 13 at the corresponding height is triggered, and then the movable cylinder 52 is triggered to rise, until the glue layer is sensed by the second sensor 13 at the uppermost end, the glue head 7 is triggered to stop discharging glue, that is, the gluing operation of the uppermost layer is completed. In addition, optionally, the baffle 12 can be directly fixedly connected to the front end of the vertical frame 3, or a connecting rod can be connected to the baffle 12 and connected to the horizontal frame 6 through the connecting rod, so that each time the movable cylinder 52 rises, the baffle 12 is driven to rise synchronously, so that after each layer of glue is coated for one week, it is sensed by the second sensor 13 at the middle position and one side end position, and when the movable cylinder 52 is triggered to rise, the baffle 12 and the second sensor 13 also rise synchronously, which is beneficial for sensing the next layer of glue.

[0043] In an embodiment of the present invention, Figure 8 , Fig. 9 , Fig.10 As shown, the outer end of the scraper plate 10 away from the rotating roller 9 is designed in a spike shape, which is conducive to the leveling and scraping action. The inner end of the scraper plate 10 close to the rotating roller 9 is rotatably connected to the bottom end of the roller frame 8 through a side connecting rod 101.

[0044] In an embodiment of the present invention, Figure 8 , Fig. 9 , Fig.10 , Fig.11As shown, an inner shaft 93 is fixedly connected to the inner side of the arc plate 92, and both ends of the inner shaft 93 are rotatably connected to the side plates 91, and more preferably, elastic components such as torsion springs are also provided at the rotation connection to drive the arc plate 92 to rotate to close the roller surface of the rotating roller 9. Specifically, a roller shaft 90 is fixedly connected to the bottom end of the roller frame 8, and the roller shaft 90 is axially penetrated on the side plates 91 on both sides and is rotatably connected to the side plates 91. One end of the side connecting rod 101 is rotatably connected to the end of the roller shaft 90, and more preferably, elastic components such as torsion springs are also provided at the rotation connection to make the tip of the rubber scraping plate 10 face in a state as shown in the figure. Figure 8 The orientation shown.

[0045] In an embodiment of the present invention, Figure 8 , Fig. 9 , Fig.10 As shown, the end of the inner shaft 93 passes through the side plate 91 and is connected to a blocking rod 94 . The blocking rod 94 is attached to the outer side of the side plate 91 in the radial direction to prevent the inner shaft 93 from sliding outward and detaching from the rotating roller 9 .

[0046] In an embodiment of the present invention, Figure 8 , Fig. 9 , Fig.10 , Fig.11 As shown, the bottom end of the roller frame 8 is fixedly connected with a fan-shaped plate 14, and the fan-shaped plate 14 is covered on the outer upper part of the side plate 91. The outer ring of the fan-shaped plate 14 is provided with an outer groove 15 for the end of the inner shaft 93 to pass through and slide. The blocking rod 94 is connected to the end of the inner shaft 93 for unidirectional rotation. When the telescopic frame 5 drives the rotating roller 9 to swing, the rotating roller 9 at the rear end in the swinging direction is pressed against the inner wall or rubber surface of the storage tank 1 and rotates, and the end of the inner shaft 93 slides along the outer groove 15 and drives the blocking rod 94 to rotate unidirectionally. Fig. 9 As shown, the arc plate 92 maintains the initial enclosed closed state, and the roller 9 at the front end in the swinging direction is pressed against the inner wall or rubber surface of the storage tank 1 and rotates, and its inner shaft 93 slides along the outer groove 15, pushes the blocking rod 94 through the outer groove 15, and drives the inner shaft 93 to rotate, as shown in FIG. Fig.10 As shown, the corresponding arc-shaped plate 92 is rotated open.

[0047] The roller 9 is designed with a hollow structure, and the scraped materials on the rubber scraping plate 10 enter the hollow interior of the roller 9 along the opened arc plate 92 for collection. More preferably, a plurality of discharge ports can be opened on the roller shaft 90, and a discharge pipe can be externally connected to the end of the roller shaft 90 passing through the roller 9. The excess impurities, glue, and rubber particles in the roller 9 can be sucked out in time through the discharge pipe and existing conventional dust removal pumps, suction pumps, etc. More preferably, a heating wire can be arranged on the fan-shaped plate 14, which can be used to keep the outer groove 15, the roller shaft 90, etc. warm to prevent the glue here from being completely solidified and affecting the rotation of the inner shaft 93 and the discharge of the discharge pipe.

[0048] The blocking rod 94 is unidirectionally rotatably connected to the end of the inner shaft 93 by providing a protrusion on one side of the blocking rod 94 at the end of the inner shaft 93, so that the blocking rod 94 can only turn toward the one side away from the protrusion.

[0049] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

Claims

1. A glue coating processing equipment for a polytetrafluoroethylene-lined storage tank, comprising a base frame (2) for supporting the storage tank (1), characterized in that: Also includes: A roller (21) provided on the base frame (2) and used for placing the storage tank (1) horizontally; A vertical frame (3) is arranged on one side of the base frame (2), a swinging part (4) is arranged on the top of the vertical frame (3), an output end of the swinging part (4) is connected to a telescopic frame (5), a bottom end of the telescopic frame (5) is connected to a horizontal frame (6), a bottom end of the horizontal frame (6) is connected to a glue outlet (7), the bottom end of the horizontal frame (6) is symmetrically connected to roller frames (8) on both sides of the glue outlet (7), and the bottom end of the roller frame (8) is rotatably connected to a rotating roller (9), When gluing, the swinging part (4) penetrates into the storage tank (1) along the axial direction of the storage tank (1), and drives the telescopic frame (5) to swing back and forth, the length direction of the telescopic frame (5) faces the radial direction of the storage tank (1), and the length directions of the cross frame (6), the glue outlet head (7), and the rotating roller (9) are parallel to the axial direction of the storage tank (1). The roller (21) rotates to drive the storage tank (1) to rotate axially, thereby completing the gluing of the inner wall of the storage tank (1) for one circle; The rotating roller (9) comprises side plates (91) rotatably connected to the bottom end of the roller frame (8) at both sides, and a roller surface between the side plates (91) at both sides, wherein the roller surface is composed of a plurality of arc-shaped plates (92), the side ends of the arc-shaped plates (92) being rotatably connected to the side plates (91), and the bottom end of the roller frame (8) is connected to a rubber scraping plate (10), which is located on the outside of the roller surface and extends in the radial direction of the rotating roller (9). When the telescopic frame (5) swings back and forth, it drives the roller surface of the rotating roller (9) to roll against the inner wall or rubber surface of the storage tank (1), and flattens the inner wall or rubber surface of the storage tank (1) through the rubber scraping plate (10), and the arc-shaped plate (92) at the upper part of the rotating roller (9) at the front end in the swinging direction is rotated to open, so that the scraped objects on the rubber scraping plate (10) enter the rotating roller (9) along the opened arc-shaped plate (92) and are collected inside the rotating roller (9).

2. The glue coating processing equipment for polytetrafluoroethylene-lined storage tanks according to claim 1 is characterized in that: The bottom of the stand (3) is connected to a limit pin (31), and the bottom frame (2) is correspondingly provided with a pin hole (22) for the limit pin (31) to be inserted.

3. The glue coating processing equipment for polytetrafluoroethylene-lined storage tanks according to claim 2 is characterized in that: The stand (3) is designed as a lifting structure, and a pulley is connected to the bottom end of the stand (3). When the stand (3) is lifted and lowered so that the limit pin (31) is inserted into the pin hole (22), the swinging part (4) penetrates into the storage tank (1) along the axial direction of the storage tank (1).

4. The glue coating processing equipment for polytetrafluoroethylene-lined storage tanks according to claim 1 is characterized in that: The telescopic frame (5) comprises a fixed cylinder (51) connected to the output end of the swinging part (4) and a movable cylinder (52) telescopically connected to the bottom end of the fixed cylinder (51), a vertical groove (53) is provided at the bottom of the fixed cylinder (51) along its length direction, a positioning rod (11) is slidably connected in the vertical groove (53), a positioning hole (54) is provided on the side end of the movable cylinder (52), a first sensor (530) is provided at the top end of the vertical groove (53) for sensing the positioning rod (11), and the movable cylinder (52) is provided with a first sensor (530) for sensing the positioning rod (11). The cylinder (52) naturally extends downward so that when the rotating roller (9) abuts against the inner wall of the storage tank (1), the positioning rod (11) is inserted into the positioning hole (54), and the movable cylinder (52) rises until the positioning rod (11) moves up a predetermined distance along the vertical groove (53), and the gluing operation in the storage tank (1) starts. After one round of gluing in the storage tank (1), the movable cylinder (52) is triggered to rise until the positioning rod (11) moves up a predetermined distance along the vertical groove (53), and the gluing operation of the next layer in the storage tank (1) starts.

5. The glue coating processing equipment for polytetrafluoroethylene-lined storage tanks according to claim 4 is characterized in that: A baffle (12) is provided at the front end of the stand (3), and a second sensor (13) is provided at the middle position and one side end position of the baffle (12). After one circle of glue coating in the storage tank (1), when the glue layer is simultaneously sensed by the second sensors (13) at the middle position and one side end position, the movable cylinder (52) is triggered to rise until the positioning rod (11) moves up a predetermined distance along the vertical groove (53), and the glue coating operation of the next layer in the storage tank (1) is started.

6. The glue coating processing equipment for polytetrafluoroethylene-lined storage tanks according to claim 1 is characterized in that: The outer end of the scraping plate (10) away from the rotating roller (9) is designed to be spike-shaped, and the inner end of the scraping plate (10) close to the rotating roller (9) is rotatably connected to the bottom end of the roller frame (8) through a side connecting rod (101).

7. The glue coating processing equipment for polytetrafluoroethylene-lined storage tanks according to claim 1 is characterized in that: An inner shaft (93) is fixedly connected to the inner side of the arc-shaped plate (92), and two ends of the inner shaft (93) are rotatably connected to the side plates (91) respectively.

8. The glue coating processing equipment for polytetrafluoroethylene-lined storage tanks according to claim 7 is characterized in that: The end of the inner shaft (93) passes through the side plate (91) and is connected to a blocking rod (94). The blocking rod (94) is attached to the outer side of the side plate (91) in a radial direction to prevent the inner shaft (93) from sliding outward and detaching from the rotating roller (9).

9. The glue coating processing equipment for polytetrafluoroethylene-lined storage tanks according to claim 8 is characterized in that: The bottom end of the roller frame (8) is fixedly connected with a fan-shaped plate (14), and the fan-shaped plate (14) is covered on the upper outer side of the side plate (91). The outer ring of the fan-shaped plate (14) is provided with an outer groove (15) for the end of the inner shaft (93) to pass through and slide. The blocking rod (94) is unidirectionally rotatably connected to the end of the inner shaft (93). When the telescopic frame (5) drives the rotating roller (9) to swing, the rotating roller (9) located at the rear end in the swinging direction abuts against the inner wall of the storage tank (1). or rubber surface rotates, the end of the inner shaft (93) slides along the outer groove (15), and drives the blocking rod (94) to rotate in one direction, the arc plate (92) maintains the initial enclosed closed state, the roller (9) located at the front end in the swinging direction presses against the inner wall or rubber surface of the storage tank (1) and rotates, the inner shaft (93) slides along the outer groove (15), pushes the blocking rod (94) through the outer groove (15), and drives the inner shaft (93) to rotate, so that the corresponding arc plate (92) rotates and opens.

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