A large-scale PPH fiberglass composite structure on-site preparation device

Abstract

The present invention relates to the technical field of preparation of glass fiber reinforced plastic composite materials, and discloses a large-scale PPH glass fiber reinforced plastic composite structure on-site preparation device, comprising: a tank body; two brackets for positioning the tank body; a driving component; a circulation component; and a processing component for winding the surface of the tank body with glass fiber reinforced plastic. The large-scale PPH glass fiber reinforced plastic composite structure on-site preparation device can integrate the equipment required for various processes into one device through the processing components provided, and can directly switch when the operator needs to use a certain process. In addition, the technical solution can follow the rotation of the tank body through the provision of a circulation device, control the lateral movement of the processing component within the lateral range of the tank body, and implement various processes on the tank body, thereby reducing the labor intensity of the operator, and eliminating the need to frequently change different process equipment when preparing the PPH glass plate, thereby improving the surface glass fiber reinforced plastic preparation efficiency of the tank body as a whole.

Description

Technical Field

[0001] The invention relates to the technical field of preparation of glass fiber reinforced plastic composite materials, in particular to an on-site preparation device for a large-scale PPH glass fiber reinforced plastic composite structure. Background Art

[0002] FRP storage tank is a kind of FRP products. It is a new composite material made of glass fiber as reinforcing agent and resin as adhesive through microcomputer controlled machine winding. FRP storage tank has the characteristics of corrosion resistance, high strength, light weight, long life, flexible design and strong processability. It can be flexibly used in different industries, such as chemical, environmental protection, food, pharmaceutical and other industries. The current market share of FRP storage tank is gradually increasing.

[0003] In the current preparation process of FRP storage tanks, the inner layer of the container is a PPH type plate, and resin and glass fiber need to be applied to the outer layer at intervals, involving multiple processes, such as initial cleaning, winding, gluing, and fiber laying. The existing technology has the following defects:

[0004] First, because of the size of the storage tank, more equipment is used, and the operators have to operate it manually, which reduces the preparation efficiency;

[0005] Second, operators need to change different equipment to perform the corresponding process, which will result in too many equipment or auxiliary equipment being used, and the replacement steps are cumbersome, which will also reduce the preparation efficiency of the tank. At the same time, due to the frequent replacement of equipment required for preparation, the labor intensity of operators will gradually increase;

[0006] Therefore, a large-scale PPH fiberglass composite structure on-site preparation device is proposed to solve the above-mentioned problems. Summary of the invention

[0007] Technical issues solved

[0008] In view of the shortcomings of the prior art, the present invention provides a large-scale PPH fiberglass composite structure on-site preparation device, which solves the problems in the prior art of preparing and producing fiberglass storage tanks, such as the operation process is too complicated, the preparation efficiency is too low, and the labor intensity of operators is too high.

[0009] Technical Solution

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a large-scale PPH fiberglass composite structure on-site preparation device, comprising: a tank body; two brackets for positioning the tank body; a drive component; a circulation component; a processing component for winding the surface of the tank body with fiberglass; while the drive component drives the tank body to rotate, it also drives the circulation component to perform autonomous circulation motion on the processing component; the processing component includes a cleaning device, a gluing device, a wire laying device and a winding device; a positioning frame and a base frame are installed on the bracket, the drive component is installed on the bracket, and the circulation component is installed on the base frame.

[0011] Preferably, the bracket includes a support frame, the support frame is rotatably connected to a rotating shaft, the rotating shaft is fixedly connected to a ring rod, the ring rod is provided with a plurality of patches bonded to the tank body, the drive assembly is installed on one of the brackets, the drive assembly includes a drive motor, and the output end of the drive motor is connected to the rotating shaft through a transmission member.

[0012] Preferably, the circulation component includes a reciprocating screw, which is rotatably connected to the base frame, the front end of the reciprocating screw is fixedly connected to pulley 2, the front end of the rotating shaft is fixedly connected to pulley 1, and pulley 1 is transmission connected to pulley 2 through a toothed belt, a sliding frame is slidably connected to the base frame through a slide rail, a sliding seat is fixedly connected to the sliding frame, a sliding pin is fixedly connected in the sliding seat, the slide seat is slidably connected to the reciprocating screw, the sliding pin is slidably connected to a reciprocating wire groove opened on the reciprocating screw, and the processing component is connected to the sliding frame.

[0013] Preferably, the wire laying device comprises a placement frame, the placement frame is fixed on a sliding frame, a plurality of wire drums are mounted on the placement frame, and a plurality of through holes are opened on the sliding frame.

[0014] Preferably, the winding device includes a positioning roller, which is rotatably connected to the mounting frame, and the interior of the positioning roller is slidably connected to a top cone, on which a compression spring is sleeved, and an insertion roller is abutted against the top cone, and a reel for winding the tank body is installed on the insertion roller.

[0015] Preferably, a sliding shaft is fixedly mounted on the positioning frame, a sliding key is provided on the sliding shaft, a rotating sleeve is slidably connected to the surface of the sliding shaft, four slots are provided in the rotating sleeve, the sliding key is slidably connected in the slots, a top plate is also fixedly connected to the positioning frame, a switching sleeve is fixedly connected to the side of the rotating sleeve, four conversion inclined slots are provided on the switching sleeve that are in sliding contact with the top plate, and the interior of the rotating sleeve is magnetically connected to the sliding shaft through a magnetic sheet.

[0016] Preferably, the cleaning device comprises a cleaning blade, the cleaning blade is slidably connected to the rotating sleeve, the bottom of the cleaning blade is connected to a connecting sleeve via an abutting spring, and the connecting sleeve is sleeved on the sliding shaft.

[0017] Preferably, the rotating sleeve is also connected to a wire pressure roller, a winding pressure roller and a round sleeve, and the cleaning knife plate, wire pressure roller, winding pressure roller and round sleeve are distributed in a circular array with the center of the rotating sleeve as the axis point, and the bottoms of the wire pressure roller, winding pressure roller and round sleeve are connected to the connecting sleeve through abutment springs.

[0018] Preferably, the glue coating device includes a glue box, which is fixed on a sliding frame, and both ends of the glue box are rotatably connected to support sleeves, the bottom of the support sleeve is connected to a sliding tube, the interior of the sliding tube is slidably connected to a drainage tube, the end face of the drainage tube is connected to a glue coating roller, the glue coating roller is rotatably connected to the interior of a circular sleeve, drainage holes are opened on the surface of the drainage tube, and the sliding tube is provided with an expansion tube.

[0019] Beneficial Effects

[0020] Compared with the prior art, the present invention provides a large-scale PPH fiberglass composite structure on-site preparation device, which has the following beneficial effects:

[0021] 1. The large-scale PPH FRP composite structure on-site preparation device can integrate the equipment required for various processes into one device through the processing components. When the operator needs to adopt a certain process, he can directly switch. In addition, the technical solution can follow the rotation of the tank body through the setting of the circulation device, control the lateral movement of the processing components within the lateral range of the tank body, and implement various processes on the tank body, thereby reducing the labor intensity of the operator. There is no need to frequently change different process equipment to prepare the PPH glass plate, which improves the surface FRP preparation efficiency of the tank body as a whole.

[0022] 2. The large-scale PPH fiberglass composite structure on-site preparation device can realize automatic switching of the entire process through the switching sleeve, without the need for manual control by the operator, which simplifies the operation process of the entire equipment. The operator only needs to perform initial traction on the glass fiber or winding layer that needs to be wound initially, thereby further reducing the operator's workload and making the overall operation of the equipment easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall front structure of a large-scale PPH fiberglass composite structure on-site preparation device proposed by the present invention;

[0024] Figure 2 This is a schematic diagram of the overall side structure of a large-scale PPH fiberglass composite structure on-site preparation device proposed by the present invention;

[0025] Figure 3 This is a schematic diagram of the structure of the drive assembly and circulation assembly of a large-scale PPH fiberglass composite structure on-site preparation device proposed by the present invention;

[0026] Figure 4 A schematic diagram of the structure of a winding device for a large-scale PPH fiberglass composite structure on-site preparation device proposed by the present invention;

[0027] Figure 5 This is a schematic diagram of a sliding shaft connection structure of a large-scale PPH fiberglass composite structure on-site preparation device proposed by the present invention;

[0028] Figure 6 This is a structural schematic diagram of a glue coating device for a large-scale PPH fiberglass composite structure on-site preparation device proposed by the present invention;

[0029] Figure 7 A schematic diagram of the cross-sectional structure of a rotating sleeve of a large-scale PPH fiberglass composite structure on-site preparation device proposed by the present invention;

[0030] Figure 8 This is a schematic diagram of the support structure of a large-scale PPH fiberglass reinforced plastic composite structure on-site preparation device proposed by the present invention.

[0031] In the figure: 1, tank body; 2, bracket; 21, support frame; 22, ring rod; 23, patch; 24, rotating shaft; 3, driving assembly; 301, driving motor; 302, pulley 1; 303, pulley 2; 304, reciprocating screw rod; 305, sliding frame; 306, sliding seat; 307, sliding pin; 308, placement frame; 309, perforation; 4, bottom frame; 5, circulation assembly; 6, processing assembly; 601, positioning roller; 602, inserting roller; 603, top cone; 60 4. Extrusion spring; 605. Cleaning knife plate; 606. Line pressure roller; 607. Glue coating roller; 608. Winding pressure roller; 609. Switching sleeve; 610. Sliding shaft; 611. Sliding key; 612. Top plate; 613. Glue box; 614. Support sleeve; 615. Sliding pipe; 616. Drainage pipe; 617. Drainage hole; 618. Expanding pipe; 619. Round sleeve; 620. Slot; 621. Connecting sleeve; 622. Abutment spring; 623. Rotating sleeve; 7. Positioning frame. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-Figure 8 A large-scale PPH fiberglass composite structure on-site preparation device includes a tank body 1; two brackets 2 for positioning the tank body 1; a driving component 3; a circulation component 5; a processing component 6 for winding the surface of the tank body 1 with fiberglass; while the driving component 3 drives the tank body 1 to rotate, it also drives the circulation component 5 to make the processing component 6 perform autonomous circulation movement; the processing component 6 includes a cleaning device, a gluing device, a wire laying device and a winding device; a positioning frame 7 and a base frame 4 are installed on the bracket 2, the driving component 3 is installed on the bracket 2, and the circulation component 5 is installed on the base frame 4.

[0034] In this embodiment, the bracket 2 includes a support frame 21, a rotating shaft 24 is rotatably connected to the support frame 21, a circle rod 22 is fixedly connected to the rotating shaft 24, and a plurality of patches 23 bonded to the tank body 1 are arranged on the circle rod 22. The driving assembly 3 is installed on one of the brackets 2, and the driving assembly 3 includes a driving motor 301. The output end of the driving motor 301 is connected to the rotating shaft 24 through a transmission member. Because the tank body 1 itself is hollow, its weight is not very heavy. The rotating shaft 24 on the side of the support frame 21 where the driving motor 301 is not installed is moved so that the tank body 1 is aligned and squeezed between the two circle rods 22, and then the tank body 1 is temporarily fixed by bonding with a plurality of patches 23 on both sides. When the preparation is completed, the patches 23 can be taken out.

[0035] Furthermore, the circulation component 5 includes a reciprocating screw 304, which is rotatably connected to the base frame 4, and the front end of the reciprocating screw 304 is fixedly connected to the pulley 2 303, and the front end of the rotating shaft 24 is fixedly connected to the pulley 1 302, and the pulley 1 302 is transmission-connected to the pulley 2 303 through a toothed belt, and the base frame 4 is slidably connected to a sliding frame 305 through a slide rail, and the sliding frame 305 is fixedly connected to a slide seat 306, and a sliding pin 307 is fixedly connected inside the slide seat 306, and the slide seat 306 is slidably connected to the reciprocating screw 304, and the sliding pin 307 is slidably connected to the reciprocating screw groove opened on the reciprocating screw 304, and the processing component 6 is connected to the sliding frame 305. The rotation of the rotating shaft 24 will drive the rotation of the pulley 302, and the transmission of the toothed belt will drive the rotation of the reciprocating screw 304. The sliding seat 306 on the reciprocating screw 304 will be controlled by the sliding pin 307 in the reciprocating wire groove, which will control the lateral movement of the slide seat 306, and then drive the lateral movement of the sliding frame 305, so the whole provides a power source for reciprocating motion, which is convenient for the subsequent overall reciprocating processing and preparation.

[0036] Furthermore, the laying device includes a mounting frame 308, which is fixed on the sliding frame 305. A plurality of wire drums are mounted on the mounting frame 308, and a plurality of through holes 309 are provided on the sliding frame 305. The operator manually pulls the ends of a plurality of glass fibers and attaches them to the surface of the tank body 1. After winding them once, they are loosened. Then, as the reciprocating screw rod 304 rotates, the glass fiber drum on the mounting frame 308 is pulled by the rotation of the tank body 1, thereby directly attaching it to the surface of the tank body 1.

[0037] In addition, the winding device includes a positioning roller 601, which is rotatably connected to the mounting frame 308, and a top cone 603 is slidably connected inside the positioning roller 601, and a compression spring 604 is sleeved on the top cone 603, and an insertion roller 602 is abutted on the top cone 603, and a reel for winding the tank body 1 is installed on the insertion roller 602. The operator needs to manually pull the winding belt on the insertion roller 602 through the position of the sliding frame 305 and then through the position of the winding pressure roller 608. It is attached to the surface of the tank body 1. As the tank body 1 rotates autonomously, the winding belt will be automatically rolled up on the surface of the tank body 1 for automatic winding. After winding one circle, the operator can loosen the winding belt. At this time, as the tank body 1 rotates, the winding belt will move laterally and slowly roll up on the inner lining surface of the tank body 1. The winding belt of each tank body 1 may be different, so a replaceable insertion roller 602 is set. When a different winding belt needs to be replaced, the insertion roller 602 is taken out and the required winding belt is clamped on the insertion roller 602, and then it is clamped between the two top cones 603. The setting of the extrusion spring 604 will squeeze and position the insertion roller 602, and the autonomous rotation of the tank body 1 will automatically achieve traction.

[0038] In addition, a sliding shaft 610 is fixedly installed on the positioning frame 7, and a sliding key 611 is arranged on the sliding shaft 610. A rotating sleeve 623 is slidably connected to the surface of the sliding shaft 610, and four card slots 620 are provided in the rotating sleeve 623. The sliding key 611 is slidably connected in the card slot 620. A top plate 612 is also fixedly connected to the positioning frame 7, and a switching sleeve 609 is fixedly connected to the side of the rotating sleeve 623. The switching sleeve 609 is provided with four conversion inclined slots that are in sliding contact with the top plate 612. The rotating sleeve 62 3 is magnetically connected to the sliding shaft 610 through a magnetic sheet. The magnetic connection can prevent the rotating sleeve 623 from rotating at the wrong angle due to inertia, which causes the subsequent sliding key 611 to be unable to correspond to the slot 620. A notch is provided at the entrance of the slot 620 to guide the key 611. In fact, in actual operation, after the rotating sleeve 623 rotates 90 degrees, there will be a slight misalignment between the slot 620 and the key 611. The bevel is used for guiding correction. When the sliding frame 305 moves to the leftmost position, the rotating sleeve 623 will be separated from the position of the key 611, and the rotation limit of the rotating sleeve 623 will be released. At this time, the conversion bevel of the switching sleeve 609 will form an extrusion sliding contact with the top plate 612, and then use the contact sliding of the inclined surface to drive the rotating sleeve 623 to rotate 90 degrees. After that, the sliding frame 305 will continue to slide forward, and the rotation of the rotating sleeve 623 will be corrected.

[0039] Furthermore, the cleaning device includes a cleaning blade 605, which is slidably connected to the rotating sleeve 623, and the bottom of the cleaning blade 605 is connected to a connecting sleeve 621 through an abutting spring 622, and the connecting sleeve 621 is sleeved on the sliding shaft 610. The rotating sleeve 623 is also connected to a line pressure roller 606, a winding pressure roller 608 and a round sleeve 619, and the cleaning blade 605, the line pressure roller 606, the winding pressure roller 608 and the round sleeve 619 are arranged in a circular array with the center of the rotating sleeve 623 as the axis point, and the bottoms of the line pressure roller 606, the winding pressure roller 608 and the round sleeve 619 are all connected to the connecting sleeve 621 through an abutting spring 622. The cleaning blade 605, the wire pressure roller 606, the winding pressure roller 608 and the circular sleeve 619 form four different process positions, that is, four "cutting tools", and by using the setting of the abutment spring 622, each "cutting tool" abutting against the tank body 1 can be elastically squeezed on the surface of the tank body 1, thereby not causing damage to the tank body 1.

[0040] Furthermore, the glue coating device includes a glue box 613, which is fixed on the sliding frame 305. Both ends of the glue box 613 are rotatably connected to support sleeves 614. The bottom of the support sleeve 614 is connected to a sliding tube 615. The interior of the sliding tube 615 is slidably connected to a drainage tube 616. The end face of the drainage tube 616 is connected to a glue coating roller 607. The glue coating roller 607 is rotatably connected to the interior of a circular sleeve 619. A drainage hole 617 is provided on the surface of the drainage tube 616, and the sliding tube 615 is provided with an expansion tube 618. The purpose of setting the expansion tube 618 is to prevent the resin from flowing into the drainage hole 617 when the glue coating roller 607 is not in its working position, because it is in a sliding state with the sliding tube 615. When the glue coating roller 607 rotates to the working position, the drainage hole 617 is inside the expansion tube 618. At this time, the drainage hole 617 will not be blocked, and the resin solution will enter the interior of the drainage tube 616 from the channel to realize flow coating.

[0041] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0042] Working principle: first, the operator needs to use the equipment to move the tank body 1 between the two brackets 2. Because the tank body 1 itself is hollow, its own weight is not very heavy. Then move the shaft 24 on the support frame 21 on the side where the drive motor 301 is not installed, so that the tank body 1 is aligned and squeezed between the two ring rods 22. Then, use multiple patches 23 on both sides to bond and temporarily fix the tank body 1. Then control the rotation of the drive motor 301. Through the transmission of the transmission part, it will drive the shaft 24 to rotate. After the shaft 24 rotates, it will control the tank body 1 to rotate slowly. The transmission part here The transmission mode of the belt and pulley is set. Of course, the transmission can be realized by chain transmission, so it is not limited here. Then the rotation of the shaft 24 will drive the rotation of the pulley 302. The toothed belt transmission will drive the rotation of the reciprocating screw rod 304. The sliding seat 306 sliding on the reciprocating screw rod 304 is affected by the sliding pin 307 sliding in the reciprocating wire groove, which will control the lateral movement of the slide seat 306, and then drive the lateral movement of the slide frame 305. At this time, the slide frame 305 is connected by the structure to drive the synchronous movement of the rotating sleeve 623, and the cleaning on the rotating sleeve 623 at this time The cleaning blade 605 is squeezed by the elastic force of the abutment spring 622, and the cleaning blade 605 is tightly controlled to abut against the surface of the tank body 1. As the tank body 1 rotates, the cleaning blade 605 will also move slowly, thereby scraping and cleaning the surface of the tank body 1. After that, when the entire sliding frame 305 slides to the rear end limit position of the reciprocating screw rod 304, the sliding frame 305 will return to slide under the influence of the reciprocating wire groove, thereby driving the cleaning blade 605 to return to clean again, avoiding omissions during a single cleaning process. After that, when it moves to the leftmost position, the rotating sleeve 623 The position of the sliding key 611 will be disengaged, and the rotation limit of the rotating sleeve 623 will be released. At this time, the conversion bevel of the switching sleeve 609 will form an extrusion sliding contact with the top plate 612, and then use the contact sliding of the inclined surface to drive the rotating sleeve 623 to rotate ninety degrees. After that, the sliding frame 305 will continue to slide forward, and the rotation of the rotating sleeve 623 will control the bottom winding roller 608 of the rotating sleeve 623 to rotate to the contact surface of the tank body 1. At this time, the operator needs to manually pull the winding belt on the insertion roller 602 from the position of the sliding frame 305, and then pass through the position of the winding roller 608.It is attached to the surface of the tank body 1. With the autonomous rotation of the tank body 1, the winding belt will be automatically rolled on the surface of the tank body 1 for automatic winding. After winding a circle, the operator can loosen the winding belt. At this time, with the rotation of the tank body 1, the winding belt will move laterally and slowly roll on the inner lining surface of the tank body 1. The winding belt of each tank body 1 may be different, so the replaceable inserting roller 602 is set. When it is necessary to replace a different winding belt, the inserting roller 602 is taken out at this time and the required winding belt is clamped on the inserting roller 602, and then clamped between the two top cones 603. The inserting roller 602 is squeezed and positioned by the setting of the extrusion spring 604, and the autonomous rotation of the tank body 1 automatically realizes traction. Like the cleaning process, reciprocating double-layer winding is realized, and of course single-layer winding can also be realized, but for single-layer winding, the operator needs to control the sliding frame 305 to move to the tail end of the reciprocating screw 304, and manually control the shearing of the winding belt. After that, during the reset movement, the sliding contact between the conversion inclined groove and the top plate 612 is controlled to control the ninety-degree rotation of the rotating sleeve 623, and the wire pressure roller 606 is controlled to rotate to the contact surface of the tank body 1. At this time, the operator is also required to manually pull multiple glass fiber thread ends and attach them to the surface of the tank body 1. After winding one circle, they are loosened. Then, as the reciprocating screw rod 304 rotates, the glass fiber reel on the mounting frame 308 will be pulled by the rotation of the tank body 1, thereby directly attaching it to the surface of the tank body 1. The same principle applies. When the sliding frame 305 continues to move back and forth, the control rotating sleeve 623 continues to rotate 90 degrees. At this time, the glue roller 607 will rotate to the contact surface position of the tank body 1. When the glue roller 607 rotates, it will drive the drainage tube 616 to slide in the sliding tube 615, so that the position of the drainage hole 617 slides to the inside of the expansion tube 618. At this time, the resin inside the glue box 613 will follow the channel of the sliding tube 615 into the inside of the expansion tube 618, and then enter the inside of the drainage tube 616 through the drainage hole 617, and finally flow to the inside of the glue roller 607, and flow out from the holes on the surface, and then automatically apply the surface of the tank body 1. With the rotation of the tank body 1, the contact of elastic extrusion will drive the synchronous rotation of the glue roller 607, and then the surface of the tank body 1 will be evenly applied with resin in a horizontal moving manner. The whole realizes the integrated operation of multiple processes, simplifies the operation steps of the operator, reduces the multiple transformations of the equipment, and improves the overall processing efficiency from the side.

[0043] The cleaning-winding-laying-gluing process described above is not limited to this order, because there are different processes, which may be gluing after cleaning or laying wires after cleaning, and this design only provides one of the process steps. If the actual production process has different process steps, four stations of continuously rotating "tools" can be set in sequence to achieve the preparation and attachment of PPH fiberglass.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A large-scale PPH fiberglass composite structure on-site preparation device, comprising a tank body (1), characterized in that: include: Two brackets (2) for positioning the tank body (1); Drive assembly (3); Loop component (5); A processing component (6) is used to perform a fiberglass winding process on the surface of the tank body (1); The driving component (3) drives the tank body (1) to rotate, and at the same time drives the circulation component (5) to cause the processing component (6) to perform autonomous circulation motion; The processing assembly (6) comprises a cleaning device, a gluing device, a wire laying device and a winding device; The bracket (2) is provided with a positioning frame (7) and a base frame (4), the driving assembly (3) is installed on the bracket (2), and the circulation assembly (5) is installed on the base frame (4); The cable laying device comprises a mounting frame (308); The winding device comprises a positioning roller (601), the positioning roller (601) is rotatably connected to a mounting frame (308), a top cone (603) is slidably connected inside the positioning roller (601), a pressing spring (604) is sleeved on the top cone (603), an inserting roller (602) is abutted against the top cone (603), and a reel for winding the tank body (1) is mounted on the inserting roller (602); A sliding shaft (610) is fixedly mounted on the positioning frame (7), a sliding key (611) is provided on the sliding shaft (610), a rotating sleeve (623) is slidably connected to the surface of the sliding shaft (610), four slots (620) are provided in the rotating sleeve (623), the sliding key (611) is slidably connected in the slots (620), a top plate (612) is also fixedly connected to the positioning frame (7), a switching sleeve (609) is fixedly connected to the side of the rotating sleeve (623), four switching inclined slots are provided on the switching sleeve (609) that are in sliding contact with the top plate (612), and the interior of the rotating sleeve (623) is magnetically connected to the sliding shaft (610) via a magnetic sheet; The cleaning device comprises a cleaning blade (605), the cleaning blade (605) being slidably connected to a rotating sleeve (623), the bottom of the cleaning blade (605) being connected to a connecting sleeve (621) via an abutting spring (622), and the connecting sleeve (621) being sleeved on a sliding shaft (610).

2. A large-scale PPH fiberglass composite structure on-site preparation device according to claim 1, characterized in that: The support (2) comprises a support frame (21), a rotating shaft (24) is rotatably connected to the support frame (21), a ring rod (22) is fixedly connected to the rotating shaft (24), and a plurality of patches (23) bonded to the tank body (1) are arranged on the ring rod (22), and the driving assembly (3) is mounted on one of the supports (2), and the driving assembly (3) comprises a driving motor (301), and an output end of the driving motor (301) is connected to the rotating shaft (24) through a transmission member.

3. A large-scale PPH fiberglass composite structure on-site preparation device according to claim 2, characterized in that: The circulation component (5) comprises a reciprocating screw (304), the reciprocating screw (304) is rotatably connected to the base frame (4), the front end of the reciprocating screw (304) is fixedly connected to a second pulley (303), the front end of the rotating shaft (24) is fixedly connected to a first pulley (302), the first pulley (302) is transmission-connected to the second pulley (303) via a toothed belt, a sliding frame (305) is slidably connected to the base frame (4) via a slide rail, a sliding seat (306) is fixedly connected to the sliding frame (305), a sliding pin (307) is fixedly connected inside the sliding seat (306), the sliding seat (306) is slidably connected to the reciprocating screw (304), the sliding pin (307) is slidably connected to a reciprocating screw groove provided on the reciprocating screw (304), and the processing component (6) is connected to the sliding frame (305).

4. A large-scale PPH fiberglass composite structure on-site preparation device according to claim 3, characterized in that: The placement frame (308) is fixed on the sliding frame (305), a plurality of wire bobbins are mounted on the placement frame (308), and a plurality of through holes (309) are formed on the sliding frame (305).

5. The on-site preparation device for a large-scale PPH fiberglass composite structure according to claim 1 is characterized in that: The rotating sleeve (623) is also connected to a line pressure roller (606), a winding pressure roller (608) and a round sleeve (619); the cleaning blade (605), the line pressure roller (606), the winding pressure roller (608) and the round sleeve (619) are arranged in a circular array with the center of the rotating sleeve (623) as the axis point; and the bottoms of the line pressure roller (606), the winding pressure roller (608) and the round sleeve (619) are connected to the connecting sleeve (621) via abutment springs (622).

6. A large-scale PPH fiberglass composite structure on-site preparation device according to claim 5, characterized in that: The glue coating device comprises a glue box (613), the glue box (613) is fixed on the sliding frame (305), the two ends of the glue box (613) are rotatably connected to support sleeves (614), the bottom of the support sleeve (614) is connected to a sliding tube (615), the interior of the sliding tube (615) is slidably connected to a drainage tube (616), the end surface of the drainage tube (616) is connected to a glue coating roller (607), the glue coating roller (607) is rotatably connected to the interior of a circular sleeve (619), a drainage hole (617) is provided on the surface of the drainage tube (616), and the sliding tube (615) is provided with an expansion tube (618).

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