A photocured glass fiber lined hose pre-impregnation process, pre-impregnation device and glass fiber lined hose using the pre-impregnation process

Abstract

The application discloses a kind of photocuring glass fiber lining hose pre-impregnation process, pre-impregnation device and the glass fiber lining hose using above-mentioned pre-impregnation process, belong to photocuring glass fiber lining hose processing field, for pre-impregnation, it includes dipping tank, inlet rubber roll, outlet rubber roll, it is also equipped with left dipping frame, right dipping frame by frame connecting rod and form rectangular frame structure;The left dipping frame, right dipping frame are symmetrically provided with adjusting roller plate on it, adjusting roller plate is rotatably connected with corresponding left dipping frame, right dipping frame;Adjusting roller plate is respectively provided with upper adjusting roller and lower adjusting roller, the both sides of left dipping frame, right dipping frame are respectively fixedly provided with auxiliary roller frame, auxiliary roller frame is rotatably provided with auxiliary rubber roll, and auxiliary rubber roll is close to upper adjusting roller setting.It can realize the flexibility of the tension of lining hose in dipping device and dipping device, meet the pre-impregnation process requirement of different specifications photocuring glass fiber lining hose.

Description

Technical Field

[0001] This application belongs to the field of processing light-cured glass fiber lined hoses, and more specifically, it relates to a pre-impregnation process, a pre-impregnation device, and a glass fiber lined hose using the above-mentioned pre-impregnation process. Background Technology

[0002] UV-curing hoses are used in pipe relining processes. They are typically made of specialized fiberglass braids and impregnated with unsaturated polyester or vinyl ester resin systems containing photoinitiators. During the pipe repair process, ultraviolet light emitted by a special lamp can be used to induce the resin inside to cure, thereby fixing it inside the pipe and repairing it, thus extending the pipe's service life.

[0003] See Chinese Patent Publication No. CN120941599A, which discloses a trenchless pipeline light-curing hose prepreg device, prepreg process, and inner lining hose using the above prepreg process, and specifically discloses the following technical solution: a box including a box inlet, a box outlet, and a light shield; the frame is provided with an inlet frame guide roller and an outlet frame guide roller; an inlet upper support roller is provided between the inlet frame guide roller and the box inlet; an inlet lower support roller corresponding to the inlet upper support roller is provided below the inlet frame guide roller; an outlet upper support roller is provided at the position between the outlet frame guide roller and the box outlet; and an outlet lower support roller is provided at the position corresponding to the outlet upper support roller below the outlet frame guide roller.

[0004] Based on the above technical solution, the applicant believes that it is necessary to improve the guiding structure of the impregnation process to enhance its adaptability to pre-impregnation of light-cured glass fiber lined hoses of different specifications and to improve the stability of the light-cured glass fiber lined hoses during the impregnation process. Summary of the Invention

[0005] To address the aforementioned technical problems, this application provides a pre-impregnation process, a pre-impregnation device, and a liner hose using the aforementioned pre-impregnation process. This process can improve the tension of the liner hose in the impregnation device and the flexibility of the impregnation device, thereby meeting the pre-impregnation process requirements for liner hoses of different specifications.

[0006] To achieve the above technical objectives, this application employs the following technical solution: A photocurable glass fiber liner prepreg device includes an impregnation tank. An infeed roller and an outlet roller are respectively installed at both ends of the impregnation tank. The infeed roller is located on an infeed roller frame, and the outlet roller is located on an outlet roller frame. The outlet roller guides the liner hose. A left impregnation frame and a right impregnation frame are installed inside the impregnation tank. The left and right impregnation frames form a rectangular frame structure through frame connecting rods at their corners. Adjusting roller plates are symmetrically arranged on the left and right impregnation frames, and the adjusting roller plates are rotatably connected to their respective left and right impregnation frames. An upper adjusting roller and a lower adjusting roller are rotatably connected to both ends of the adjusting roller plates. Auxiliary roller frames are fixedly installed on both sides of the left and right impregnation frames, and auxiliary rollers are rotatably mounted on the auxiliary roller frames, with the auxiliary rollers positioned close to the upper adjusting rollers.

[0007] Preferably, the impregnation tank is provided with internal slide rails at its corners, and a left impregnation frame and a right impregnation frame are slidably mounted on the internal slide rails; the impregnation tank is also provided with side panels, and a tank fixing plate is fixedly connected between adjacent side panels. A frame transverse movement driver is provided on the tank fixing plate, and a frame drive plate is connected to the telescopic end of the frame transverse movement driver. The frame drive plate is located at the top of the left impregnation frame and the right impregnation frame.

[0008] Preferably, frame lifters are symmetrically arranged on both sides of the frame drive plate at the top of the left and right dipped frames. The telescopic ends of the frame lifters are connected to the rod lifting frame. Adjustment plate lifting rods are fixedly arranged at the corners of the rod lifting frame. The adjustment plate lifting rods pass through the corners of the left and right dipped frames respectively, and the bottom ends of the adjustment plate lifting rods are respectively connected to adjustment rollers. The adjustment rollers are located in the internal space formed by the left and right dipped frames.

[0009] Preferably, the adjusting roller plate is connected to a roller plate guide shaft via a rotating shaft and a torsion spring. The roller plate guide shaft is located in the plate body adjustment hole, which is a strip-shaped through hole provided on both sides of the left and right impregnation frames. The bottom end of the adjusting plate lifting rod is fixedly connected to the roller plate guide shaft.

[0010] Preferably, the auxiliary rubber roller and the discharge rubber roller are slidably mounted on the slide rail inside the box via a sliding bushing.

[0011] Preferably, the auxiliary roller frame is provided with an infeed roller frame adjuster that is parallel to the slide rail inside the box, and the telescopic end of the infeed roller frame adjuster is respectively connected to the sliding bushings of the infeed roller frame and the discharge roller frame.

[0012] Preferably, a symmetrical middle lifting roller is provided between adjacent lower adjusting rollers, and the middle lifting roller is located on the middle lifting frame.

[0013] Preferably, the corner of the central lifting frame is fixedly connected to the lifting rod of the adjusting plate.

[0014] A process for pre-impregnating a light-cured glass fiber lining tube is disclosed. The process utilizes the aforementioned light-cured glass fiber lining tube pre-impregnation device. The lining tube enters the impregnation tank via an infeed roller and exits via an outfeed roller. After passing the infeed roller, the lining tube is guided by an auxiliary roller to the position of an upper adjusting roller, then to the position of a lower adjusting roller, and finally to the position of a pair of central lifting rollers. After passing the central lifting roller, the lining tube is again guided to the lower adjusting roller, upper adjusting roller, and auxiliary roller on the right impregnation frame, and then to the position of the outfeed roller. The infeed roller frame adjuster can adjust the position of the outfeed roller relative to the auxiliary roller frame. The frame lateral movement driver can adjust the positions of the left and right impregnation frames relative to the impregnation tank along the internal slide rail. The frame lifting device can adjust the positions of the adjusting roller plate and the central lifting roller relative to the bottom of the impregnation tank.

[0015] A light-cured glass fiber lined hose, wherein the light-cured glass fiber lined hose uses the aforementioned light-cured glass fiber lined hose pre-impregnation process.

[0016] Compared with the prior art, this application has the following technical effects: This application improves the tension of the inner lining hose and the flexibility of the impregnation device by setting an adjustable left and right impregnation frame that moves relative to the impregnation tank, and the roller group on it can also be adjusted, so as to meet the pre-impregnation process requirements of light-cured glass fiber inner lining hoses of different specifications. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this application.

[0018] Figure 2 This is a structural diagram after removing part of the impregnation tank structure.

[0019] Figure 3 yes Figure 2 A magnified view of part I in the middle.

[0020] Figure 4 This is a top view of this application.

[0021] Figure 5 yes Figure 4 A cross-sectional view at the position and direction shown in AA.

[0022] In the diagram: 1. Impregnation tank; 2. Inner lining hose; 3. Feed roller; 4. Feed roller frame; 5. Feed roller frame adjuster; 6. Auxiliary roller frame; 7. Auxiliary roller; 8. Upper adjusting roller; 9. Lower adjusting roller; 10. Left impregnation frame; 11. Plate adjustment hole; 12. Adjusting roller plate; 13. Discharge roller; 14. Middle lifting roller; 15. Inner slide rail; 16. Right impregnation frame; 17. Frame connecting rod; 18. Middle lifting frame; 19. Adjusting plate lifting rod; 20. Frame lifting device; 21. Frame drive plate; 22. Frame transverse movement driver; 23. Box fixing plate; 24. Roller plate guide shaft; 25. Box side plate; 26. Rod lifting frame; 27. Discharge roller frame. Detailed Implementation

[0023] The technical solutions described in this application will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the directional names involved in the technical solutions described in the following paragraphs, including but not limited to up, down, left, right, etc., are only intended to illustrate the technical solutions of this application and should not be construed as limiting the scope of protection of this application.

[0024] Example 1: See also Figures 1 to 5 A photocurable glass fiber liner hose pre-impregnation device includes an impregnation tank 1. The impregnation tank 1 has an inlet roller 3 at its inlet, which is located on an inlet roller frame 4. The impregnation tank 1 also has an outlet roller 13 at its outlet, which is located on an outlet roller frame 27. The inlet roller 3 and outlet roller 13 are used to guide the liner hose 2 within the impregnation tank 1. The impregnation tank 1 also includes a left impregnation frame 10 and a right impregnation frame 16. The left and right impregnation frames 10 and 16 are rectangular frames, connected at their top and bottom by symmetrically arranged frame connecting rods 17, forming a rectangular frame structure. Auxiliary roller frames 6 are provided at the positions between the left impregnation frame 10 and the feed roller 3, and between the right impregnation frame 16 and the discharge roller 13. Auxiliary rollers 7 are mounted on the auxiliary roller frames 6. Adjusting roller plates 12 are respectively provided within the spaces formed by the left impregnation frame 10 and the right impregnation frame 16. The adjusting roller plates 12 are inclined relative to the horizontal plane. A lower adjusting roller 9 is rotatably mounted at the bottom end of the adjusting roller plate 12, and an upper adjusting roller 8 is rotatably mounted at the top end of the adjusting roller plate 12. The auxiliary rollers 7 are positioned close to the upper adjusting roller 8. A pair of central lifting rollers 14 are provided between adjacent lower adjusting rollers 9 within the impregnation tank 1. The central lifting rollers 14 are rotatably mounted on a central lifting frame 18.

[0025] Based on Embodiment 1, the impregnation tank 1 is a rectangular box with an open top, which contains adhesive liquid inside, and a light-shielding cover is provided on the top of the impregnation tank 1.

[0026] Based on Embodiment 1, the feed roller 3 is rotatably mounted on the feed roller frame 4, which is used to support and set the feed roller 3.

[0027] Based on Embodiment 1, the discharge roller 13 is rotatably mounted on the discharge roller frame 27, and the discharge roller frame 27 is used to support and set up the discharge roller 13.

[0028] Based on Embodiment 1, the left impregnated frame 10 is a rectangular frame, and several connecting holes are provided at the top and bottom horizontal sections of the rectangular frame.

[0029] Based on Embodiment 1, the right impregnated frame 16 is a rectangular frame, and several connecting holes are provided at the top and bottom horizontal sections of the rectangular frame.

[0030] Based on Embodiment 1, the left impregnated frame 10 and the right impregnated frame 16 are symmetrically provided with frame connecting rods 17 through the connecting holes of their top and bottom horizontal sections, and the left impregnated frame 10 and the right impregnated frame 16 form a rectangular frame through the frame connecting rods 17.

[0031] Based on Embodiment 1, an adjusting roller plate 12 is provided in the internal space formed by the left impregnation frame 10 and the right impregnation frame 16. The adjusting roller plates 12 are arranged on both sides of the vertical sections of the left impregnation frame 10 and the right impregnation frame 16. The adjusting roller plates 12 are inclined relative to the horizontal plane. A lower adjusting roller 9 is rotatably provided at the bottom end of the adjusting roller plate 12, and an upper adjusting roller 8 is rotatably provided at the top end of the adjusting roller plate 12.

[0032] Based on Embodiment 1, an auxiliary rubber roller 7 is provided at the position between the feed rubber roller 3 and the upper adjusting roller 8. The auxiliary rubber roller 7 is used to feed the inner lining hose 2 received by the feed rubber roller 3 into the upper adjusting roller 8, and cooperates with the upper adjusting roller 8 to realize the tension of the inner lining hose 2.

[0033] Based on Embodiment 1, the middle lifting roller 14 is located between adjacent lower adjusting rollers 9, and is used to support the inner lining hose 2 between adjacent lower adjusting rollers 9, and cooperate with the auxiliary rubber roller 7 to achieve the tension of the inner lining hose 2.

[0034] Example 2: See also Figures 1 to 5Furthermore, based on Embodiment 1, a photocurable glass fiber lining tubing pre-impregnation device is provided. The impregnation tank 1 is a rectangular box, with internal slide rails 15 fixedly installed at the corners of the impregnation tank 1. The rectangular frame structure formed by the left impregnation frame 10 and the right impregnation frame 16 is slidably mounted on the internal slide rails 15 via sliding sleeves at the corners. Box side plates 25 are provided on both sides of the internal slide rails 15 of the impregnation tank 1. A box fixing plate 23 is fixedly installed between the box side plates 25, and the box fixing plate 23 is parallel to the horizontal plane. A frame transverse movement actuator 22 is fixedly installed on the box fixing plate 23, and the frame transverse movement actuator 22 is parallel to the horizontal plane. The telescopic end of the frame transverse movement actuator 22 is connected to a frame drive plate 21, which is located at the top of the rectangular frame structure formed by the left impregnation frame 10 and the right impregnation frame 16. The top ends of the left and right impregnated frames 10 and 16 are fixedly equipped with frame lifters 20. The telescopic ends of the frame lifters 20 are connected to the rod lifting frame 26, which is parallel to the horizontal plane. Adjustment plate lifting rods 19 are fixedly installed at the corners of the rod lifting frame 26. The adjustment plate lifting rods 19 pass through the corners of the left and right impregnated frames 10 and 16, and are connected to adjustment roller plates 12 within the left and right impregnated frames 10 and 16. The adjustment roller plates 12 are connected to roller plate guide shafts 24 via rotating shafts and torsion springs. The roller plate guide shafts 24 are located in plate adjustment holes 11 in the left and right impregnated frames 10 and 16. The bottom end of the adjustment plate lifting rods 19 is fixedly equipped with roller plate guide shafts 24. An infeed roller frame adjuster 5 is fixedly installed on the auxiliary roller frame 6. The telescopic end of the infeed roller frame adjuster 5 is connected to the infeed roller frame 4. The infeed roller frame 4 is slidably mounted on the slide rail 15 inside the box. A rod lifting frame 26 is fixedly connected to the top of the middle lifting frame 18.

[0035] Based on Embodiment 2, the slide rail 15 inside the box is used to move the rectangular frame structure formed by the left impregnation frame 10 and the right impregnation frame 16, thereby enabling the entire device to move within the impregnation box 1 and meeting the impregnation requirements of different models and specifications of inner lining hoses 2.

[0036] Based on Embodiment 2, the relative movement between the slide rail 15 inside the box and the rectangular frame structure is achieved by the frame transverse movement driver 22. The frame transverse movement driver 22 is located between the box fixing plate 23 and the frame driving plate 21 to realize the relative movement and position adjustment between the slide rail 15 inside the box and the rectangular frame.

[0037] Based on Embodiment 2, the feed roller frame adjuster 5 can be used to adjust the position between the auxiliary roller frame 6 and the feed roller frame 4. The above adjustment structure can increase the adaptive adjustment of the distance between the feed roller 3 and the auxiliary roller frame 6 when the rectangular frame structure moves relative to the dipping box 1.

[0038] Based on Embodiment 2, the adjusting plate lifting rod 19 is used to realize the movement of the roller plate guide shaft 24 along the plate body adjusting hole 11. The plate body adjusting hole 11 is located on both sides of the left impregnation frame 10 and the right impregnation frame 16, and is a strip-shaped through hole.

[0039] Based on Embodiment 2, a rod lifting frame 26 is also fixedly installed on the adjustment plate lifting rod 19, and the rod lifting frame 26 can move with the movement of the frame lifting device 20.

[0040] Based on Embodiment 2, a rotating shaft and a torsion spring are provided at the connection position between the roller guide shaft 24 and the adjusting roller 12. The above structure can provide a reset force for the adjusting roller 12 to achieve tensioning of the inner lining hose 2 after passing through the upper adjusting roller 8 and the lower adjusting roller 9.

[0041] Based on Embodiment 2, the adjusting plate lifting rod 19 passes through the roller plate guide shaft 24, which is a hollow shaft. The function of the adjusting plate lifting rod 19 is to realize the movement of the roller plate guide shaft 24 along the plate body adjustment hole 11.

[0042] Example 3: Based on Example 2, a photocurable glass fiber lining tube pre-impregnation process is described. The lining tube 2 is guided into the impregnation tank 1 by the feed roller 3. The feed roller 3 enters the upper adjusting roller 8 via the auxiliary roller 7, and then enters the lower adjusting roller 9 via the upper adjusting roller 8. The lining tube 2 is guided by the lower adjusting roller 9 and the middle lifting roller 14 to the lower adjusting roller 9 and the upper adjusting roller 8 at the position of the right impregnation frame 16, and then enters the position of the discharge roller 13 via the auxiliary roller 7 at this position. The discharge roller 13 then removes the lining tube... Pipe 2 leads out of the impregnation tank 1; an infeed roller frame adjuster 5 is provided between the auxiliary roller frame 6 and the infeed roller frame 4, and the position between the infeed roller frame 4 and the auxiliary roller frame 6 is adjusted by the infeed roller frame adjuster 5; the upper adjusting roller 8 and the lower adjusting roller 9 are located at both ends of the adjusting roller plate 12, and a rotating shaft and a torsion spring are provided at the connection position between the adjusting roller plate 12 and the roller plate guide shaft 24, so as to provide rotational resistance for the adjusting roller plate 12, so that the upper adjusting roller 8 and the lower adjusting roller 9 provide force to the inner lining hose 2, ensuring the tension of the inner lining hose 2. The middle lifting roller 14 and the adjusting roller plate 12 can move upward with the adjusting plate lifting rod 19, and the upward movement of the adjusting plate lifting rod 19 is driven by the frame lifting device 20. The impregnation tank 1 has side panels 25 fixedly installed on both sides, and a tank fixing plate 23 is fixedly installed between the side panels 25. A frame transverse movement driver 22 is fixedly installed on the tank fixing plate 23. The frame transverse movement driver 22 is connected to the rectangular frame formed by the left impregnation frame 10 and the right impregnation frame 16, and realizes the rectangular frame to slide along the slide rail 15 inside the tank.

[0043] Example 4: A light-cured glass fiber lined hose produced using the process described in Example 3.

[0044] Finally, although the technical solutions in this application are described in accordance with the preferred embodiments, new technical solutions formed by rearranging and combining the technical features of the embodiments of this application based on the prior art can still be understood as being within the protection scope of this application and are protected by this application.

Claims

1. A pre-impregnation device for a light-curing glass fiber liner hose, comprising an impregnation tank (1), wherein the impregnation tank (1) is provided with an infeed roller (3) and an outlet roller (13) at both ends, the infeed roller (3) being located on an infeed roller frame (4), and the outlet roller (13) being located on an outlet roller frame (27), the outlet roller (13) being used to guide the liner hose (2), characterized in that: The impregnation tank (1) is provided with a left impregnation frame (10) and a right impregnation frame (16). The left impregnation frame (10) and the right impregnation frame (16) form a rectangular frame structure through frame connecting rods (17) at the corner positions. Adjusting roller plates (12) are symmetrically arranged on the left impregnation frame (10) and the right impregnation frame (16). The adjusting roller plates (12) are rotatably connected to the corresponding left impregnation frame (10) and right impregnation frame (16). The two ends of the adjusting roller plates (12) are respectively rotatably connected to the upper adjusting roller (8) and the lower adjusting roller (9). The two sides of the left impregnation frame (10) and the right impregnation frame (16) are respectively fixedly provided with auxiliary roller frames (6). The auxiliary rollers (7) are rotatably arranged on the auxiliary roller frames (6). The auxiliary rollers (7) are arranged close to the upper adjusting rollers (8).

2. The photocurable glass fiber liner prepreg device according to claim 1, characterized in that: The impregnation tank (1) is provided with an inner slide rail (15) at the corners. A left impregnation frame (10) and a right impregnation frame (16) are slidably arranged on the inner slide rail (15). The impregnation tank (1) is also provided with a side panel (25). A fixed plate (23) is fixedly connected between adjacent side panels (25) on the impregnation tank (1). A frame transverse movement driver (22) is provided on the fixed plate (23). A frame drive plate (21) is connected to the telescopic end of the frame transverse movement driver (22). The frame drive plate (21) is located at the top of the left impregnation frame (10) and the right impregnation frame (16).

3. The photocurable glass fiber liner prepreg device according to claim 2, characterized in that: The top of the left dipped frame (10) and the right dipped frame (16) are symmetrically provided with frame lifters (20) on both sides of the frame drive plate (21). The telescopic end of the frame lifter (20) is connected to the rod lifting frame (26). An adjustment plate lifting rod (19) is fixedly provided at the corner of the rod lifting frame (26). The adjustment plate lifting rod (19) passes through the corner of the left dipped frame (10) and the right dipped frame (16) respectively. The bottom end of the adjustment plate lifting rod (19) is connected to the adjustment roller plate (12) respectively. The adjustment roller plate (12) is located in the internal space formed by the left dipped frame (10) and the right dipped frame (16).

4. The photocurable glass fiber liner prepreg device according to claim 3, characterized in that: The adjusting roller plate (12) is connected to the roller plate guide shaft (24) via a rotating shaft and a torsion spring. The roller plate guide shaft (24) is located in the plate body adjustment hole (11). The plate body adjustment hole (11) is a strip-shaped through hole provided on both sides of the left impregnation frame (10) and the right impregnation frame (16). The bottom end of the adjusting plate lifting rod (19) is fixedly connected to the roller plate guide shaft (24).

5. The photocurable glass fiber liner prepreg device according to claim 4, characterized in that: The auxiliary rubber roller (7) and the discharge rubber roller (13) are slidably mounted on the slide rail (15) inside the box via a sliding bushing.

6. The photocurable glass fiber liner prepreg device according to claim 5, characterized in that: The auxiliary roller frame (6) is provided with an infeed roller frame adjuster (5) that is parallel to the slide rail (15) inside the box. The telescopic ends of the infeed roller frame adjuster (5) are respectively connected to the sliding bushings of the infeed roller frame (4) and the discharge roller frame (27).

7. The photocurable glass fiber liner prepreg device according to claim 6, characterized in that: A symmetrical middle lifting roller (14) is provided between adjacent lower adjusting rollers (9), and the middle lifting roller (14) is located on the middle lifting frame (18).

8. The photocurable glass fiber liner prepreg device according to claim 7, characterized in that: The corner of the central lifting frame (18) is fixedly connected to the lifting rod (19) of the adjustment plate.

9. A process for pre-impregnating a light-cured glass fiber lining flexible tube, characterized in that, The photocurable glass fiber lining tube pre-impregnation process uses the photocurable glass fiber lining tube pre-impregnation device described in claim 8. The lining tube (2) enters the impregnation tank (1) via the feed roller (3) and is discharged from the impregnation tank (1) via the discharge roller (13). After passing the feed roller (3), the lining tube (2) is guided by the auxiliary roller (7) to the position of the upper adjusting roller (8), then by the upper adjusting roller (8) to the position of the lower adjusting roller (9), and finally by the lower adjusting roller (9) to the position of the paired middle lifting roller (14). After passing the middle lifting roller (14), the lining tube (2) is guided again to the right... The lower adjusting roller (9), upper adjusting roller (8), and auxiliary roller (7) on the dip frame (16) are guided to the position of the discharge roller (13) via the auxiliary roller (7); the feed roller frame adjuster (5) can drive the discharge roller (13) to adjust its position relative to the auxiliary roller frame (6); the frame transverse drive (22) can drive the left dip frame (10) and right dip frame (16) to adjust their positions relative to the dip box (1) along the slide rail (15) inside the box; the frame lifter (20) can adjust the position of the adjusting roller plate (12) and the middle lifting roller (14) relative to the bottom of the dip box (1).

10. A light-cured glass fiber lined flexible tube, characterized in that: The photocurable glass fiber lined hose uses the photocurable lined hose pre-impregnation process described in claim 9.

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