A glass fiber cloth production trimming device

Abstract

The present application relates to the technical field of glass fiber cloth processing, and discloses a trimming device for glass fiber cloth production, which comprises a rack, traction rollers rotatably installed on both sides of the rack, positioning rollers arranged above the traction rollers, the positioning rollers being vertically slidably installed on the rack, a positioning cutting assembly arranged in the middle of the rack, the positioning cutting assembly comprising a lifting plate, a horizontal moving frame, a mounting piece, a saw disc and a cutting driving shaft, and the lifting plate being vertically slidably connected with the rack. The trimming device for glass fiber cloth production is characterized in that the lifting plate vertically slidably arranged along the rack and the horizontal moving frame slidably arranged horizontally are combined to form the positioning cutting assembly, the positioning rollers and the lifting plate are connected through the connecting piece to be linked, the height of the cutting station can be adjusted while the position of the positioning rollers is adjusted, the horizontal position of the saw disc can be adjusted as a whole, the trimming requirement of the glass fiber cloth with different widths can be met, and the difficulty of adjusting the station during the production of the cloth with different specifications is reduced.

Description

Technical Field

[0001] This invention relates to the field of fiberglass cloth processing technology, specifically to a cutting device for fiberglass cloth production. Background Technology

[0002] Fiberglass cloth, as a high-performance inorganic non-metallic industrial substrate, is widely used in many fields such as composite material reinforcement, electrical insulation, and environmental filtration. In the production and processing of fiberglass cloth, edge trimming is a crucial step in adjusting the cloth width and removing edge defects, directly affecting the dimensional accuracy and edge quality of the finished cloth. Existing fiberglass cloth edge trimming devices are mostly equipped with traction conveyor stations, relying on cutting blades to cut the continuously moving cloth. However, they generally suffer from limited width adaptability and insufficient linkage between cloth tensioning and positioning and the cutting action, making it difficult to efficiently adapt to the production needs of multi-specification fiberglass cloths.

[0003] Chinese utility model patent with publication number CN220078064U discloses a high-performance fiberglass cloth trimming device. The device uses a base plate and frame as the main support, and a traction roller is set in the conveying device to realize the feeding of fiberglass cloth. The positioning guide roller is driven by a cylinder to drive the connecting plate to move up and down synchronously with the trimming machine. With the help of a transmission structure composed of multiple sets of bevel gears, drive rods and sleeves, the positioning guide roller can still maintain the transmission cooperation with the traction roller as the height is adjusted, thereby maintaining the tension and positioning state of the cloth during the trimming process.

[0004] However, the above solution lacks sufficient lateral adjustment capability of the cutting station, making it impossible to flexibly adjust the cutting position according to the actual width of the fiberglass cloth. Adjusting it when producing different specifications of raw cloth is troublesome and the adaptation efficiency is low. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a cutting device for fiberglass cloth production, which features adjustable cutting spacing and linkage between positioning and cutting, thus solving the problems mentioned in the background section.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: A fiberglass cloth trimming device includes a frame, with traction rollers rotatably mounted on both sides of the frame, and positioning rollers positioned above each traction roller. The positioning rollers are vertically slidably mounted on the frame. A positioning and cutting assembly is located in the middle of the frame. The positioning and cutting assembly includes a lifting plate, a transverse frame, mounting components, a saw disc, and a cutting drive shaft. The lifting plate is vertically slidably connected to the frame, the transverse frame is horizontally slidably mounted on the lower end of the lifting plate, the mounting components are horizontally slidably mounted on the inner side of the transverse frame, the saw disc is rotatably mounted on the mounting components, and the cutting drive shaft is axially movable on the transverse frame, and the cutting drive shaft is used to drive the saw disc to rotate. The positioning rollers and the lifting plate are connected by a connector.

[0007] Preferably, the mounting component includes a threaded slider, straight rods, a first sleeve, and a second sleeve. The two straight rods are symmetrically fixedly installed at both ends of the threaded slider, and the first sleeve and the second sleeve are respectively fixedly installed at the lower ends of the two straight rods. Both the first sleeve and the second sleeve are sleeved on the cutting drive shaft.

[0008] Preferably, a bidirectional screw is rotatably mounted between the two ends of the transverse frame. The bidirectional screw is threadedly connected to the threaded slider. The threads on both sides of the bidirectional screw have opposite directions. A spacing adjustment motor is fixedly mounted at one end of the transverse frame. The output end of the spacing adjustment motor is connected to the bidirectional screw via a transmission.

[0009] Preferably, the mounting component further includes a limiting sleeve, a retaining ring is fixedly installed on one side of the outer surface of the limiting sleeve, and a movable ring is inserted into the outer wall of the limiting sleeve. The center hole of the saw disc is fitted onto the limiting sleeve. The retaining ring and the movable ring are respectively located on both sides of the saw disc, and a bolt is inserted between the retaining ring and the movable ring. The bolt passes through a positioning hole opened on the saw disc and is screwed and fixed with a nut. The limiting sleeve is movably positioned between the first sleeve and the second sleeve.

[0010] Preferably, the outer edge of the first sleeve facing the second sleeve has a stepped surface, one end of the limiting sleeve is adapted to the stepped surface of the first sleeve, and an external threaded tube is fixedly installed on the end of the second sleeve facing the first sleeve, with a locking nut threaded onto the external threaded tube; the distance between the first sleeve and the external threaded tube is greater than the length of the limiting sleeve, and when the limiting sleeve is inserted between the first sleeve and the second sleeve, the locking nut is rotated to bring one end of the limiting sleeve close to the stepped surface of the first sleeve, and the two ends of the limiting sleeve are slidably adapted to the first sleeve and the locking nut, respectively.

[0011] Preferably, a guide block is fixedly installed on the inner side wall of the limiting sleeve, and a groove adapted to the guide block is provided on the cutting drive shaft.

[0012] Preferably, a cutting drive motor is fixedly installed at one end of the transverse frame, a drive gear is fixedly installed at the output end of the cutting drive motor, a driven gear is fixedly installed at one end of the cutting drive shaft, the driven gear is adapted to mesh with the drive gear, and the sliding groove passes through the end of the cutting drive shaft away from the driven gear; both ends of the cutting drive shaft are provided with annular grooves, and both ends of the transverse frame are equipped with anti-lateral movement limit pins, which are slidably adapted to the annular grooves.

[0013] Preferably, a lifting cylinder is fixedly installed on the frame, and the output end of the lifting cylinder is fixedly connected to the upper surface of the lifting plate.

[0014] Preferably, a transverse sliding screw is rotatably mounted on the lower surface of the lifting plate, a transverse sliding slider is threaded onto the transverse sliding screw, the transverse sliding slider is fixedly connected to the upper surface of the transverse frame, and a transverse driving motor is fixedly mounted on the lower surface of the lifting plate, the output end of the transverse driving motor is drivenly connected to the transverse sliding screw.

[0015] Preferably, the connecting component includes an upper rotating plate, a lower rotating plate, a sleeve, a slide rod, and a pressure spring. One end of the upper rotating plate is rotatably connected to the lifting plate, and the other end of the upper rotating plate is fixedly connected to the sleeve. One end of the lower rotating plate is rotatably connected to the roller shaft of the positioning roller, and the other end of the lower rotating plate is fixedly connected to the slide rod. The slide rod is slidably connected to the sleeve. The pressure spring is disposed inside the sleeve, and both ends of the pressure spring are fixedly connected to the inner wall of the sleeve and the end of the slide rod, respectively. Vertical guide holes are provided at both ends of the frame, and the roller shaft of the positioning roller is slidably installed inside the vertical guide holes.

[0016] Compared with the prior art, the present invention provides an edge-cutting device for fiberglass cloth production, which has the following beneficial effects: 1. This edge-cutting device for fiberglass cloth production consists of a positioning and cutting assembly composed of a lifting plate that can slide vertically along the frame and a transverse frame that can slide horizontally. At the same time, the positioning roller and the lifting plate are linked by a connecting piece. The position of the positioning roller can be adjusted while adjusting the height of the cutting station, and the transverse position of the saw disc can also be adjusted as a whole to adapt to the edge-cutting requirements of fiberglass cloth of different widths and reduce the difficulty of station adjustment when producing different specifications of raw cloth.

[0017] 2. The edge-cutting device for fiberglass cloth production has a spacing adjustment structure with a bidirectional screw and two sets of threaded sliders. This structure can drive two sets of mounting parts and saw discs to move synchronously in opposite directions along the cutting drive shaft, thus achieving flexible adjustment of the distance between the two saw discs. During the adjustment process, the transmission between the cutting drive shaft and the saw disc can be maintained. The width can be adapted without additional adjustment of the transmission structure, ensuring stable operation of the cutting action.

[0018] 3. The edge-cutting device for fiberglass cloth production uses a detachable limiting sleeve structure to clamp and fix the saw disc. With the sliding groove structure that runs through the end of the cutting drive shaft, the limiting sleeve and the saw disc can be removed from the drive shaft by loosening the locking nut, which completes the disassembly, replacement and daily maintenance of the saw disc. At the same time, the positioning roller and the lifting plate are connected by a connector with a pressure spring, which can provide a buffer margin during the positioning process, adapt to the positioning requirements of fiberglass cloth of different thicknesses, and avoid damage to the cloth surface caused by rigid pressing. Attached Figure Description

[0019] Figure 1 This is one of the three-dimensional structural schematic diagrams of the edge-cutting device for fiberglass cloth production according to the present invention; Figure 2This is a front view of the positioning and cutting component in this invention. Figure 3 For the present invention Figure 2 Enlarged schematic diagram of the local structure at point A; Figure 4 For the present invention Figure 2 Enlarged schematic diagram of the local structure at point B; Figure 5 This is the second three-dimensional structural schematic diagram of the edge-cutting device for fiberglass cloth production of the present invention; Figure 6 This is a three-dimensional structural cross-sectional view of the positioning and cutting component in this invention; Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the local structure at point C; Figure 8 For the present invention Figure 6 Enlarged schematic diagram of the local structure at point D; Figure 9 This is a three-dimensional structural cross-sectional view of the connector in this invention.

[0020] In the diagram: 1. Frame; 11. Vertical guide hole; 2. Traction roller; 3. Positioning roller; 4. Lifting plate; 41. Lifting cylinder; 42. Lateral screw; 43. Lateral slider; 44. Lateral drive motor; 5. Lateral frame; 51. Bidirectional screw; 52. Spacing adjustment motor; 54. Anti-lateral limit pin; 6. Mounting component; 61. Threaded slider; 62. Straight rod; 63. First sleeve; 64. Second sleeve; 6 41. External threaded pipe; 642. Locking nut; 65. Limiting sleeve; 651. Retaining ring; 652. Movable ring; 653. Guide block; 7. Saw disc; 8. Cutting drive shaft; 81. Slide groove; 82. Cutting drive motor; 83. Drive gear; 84. Driven gear; 85. Annular groove; 9. Connecting piece; 91. Upper rotating plate; 92. Lower rotating plate; 93. Sleeve; 94. Slide rod; 95. Pressure spring. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0022] Example 1 Please see Figure 1 and Figure 5This invention provides a cutting device for fiberglass cloth production, including a frame 1. Traction rollers 2 are rotatably mounted on both sides of the frame 1, and positioning rollers 3 are arranged above the traction rollers 2. The positioning rollers 3 are vertically slidably mounted on the frame 1. A positioning and cutting assembly is arranged in the middle of the frame 1. The positioning and cutting assembly includes a lifting plate 4, a transverse frame 5, mounting parts 6, a saw disc 7, and a cutting drive shaft 8. The lifting plate 4 is vertically slidably connected to the frame 1. The transverse frame 5 is horizontally slidably mounted on the lower end of the lifting plate 4. The mounting parts 6 are all horizontally slidably mounted on the inner side of the transverse frame 5. The saw disc 7 is rotatably mounted on the mounting parts 6. The cutting drive shaft 8 is axially movable on the transverse frame 5 and is used to drive the saw disc 7 to rotate. The positioning rollers 3 and the lifting plate 4 are connected by a connector 9.

[0023] As can be seen from the above, the frame 1 serves as the overall load-bearing foundation, the traction roller 2 is used to transport the fiberglass cloth blank, the positioning roller 3 works with the traction roller 2 to tension and position the fiberglass cloth, the lifting plate 4 can drive the transverse frame 5 and the cutting structure to lift and adjust the overall height, the transverse frame 5 can drive the cutting structure to adjust the working position laterally, the cutting drive shaft 8 provides rotational power to the saw disc 7 to realize the cutting action, and the connecting piece 9 can realize the synchronous linkage between the positioning roller 3 and the lifting plate 4, so that the positioning action and the cutting action are coordinated.

[0024] When using this device, the fiberglass cloth passes over the traction rollers 2 on both sides and moves horizontally. The positioning rollers 3 press against the upper surface of the fiberglass cloth to tension and position the cloth. The lifting plate 4 slides vertically along the frame 1 to adjust the height of the cutting station. The transverse frame 5 slides horizontally along the lower end of the lifting plate 4 to adjust the cutting position. The cutting drive shaft 8 rotates to drive the saw disc 7 to rotate and cut the edge of the moving fiberglass cloth. The connecting piece 9 moves up and down synchronously with the lifting plate 4, driving the positioning rollers 3 to move synchronously to maintain the matching of the positioning state and the cutting state.

[0025] Example 2 like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 and Figure 8 As shown, the difference between this embodiment and the above embodiment is that the mounting component 6 includes a threaded slider 61, a straight rod 62, a first sleeve 63 and a second sleeve 64. The two straight rods 62 are symmetrically fixedly installed at both ends of the threaded slider 61, and the first sleeve 63 and the second sleeve 64 are respectively fixedly installed at the lower ends of the two straight rods 62. The first sleeve 63 and the second sleeve 64 are both sleeved on the cutting drive shaft 8.

[0026] As can be seen from the above, the threaded slider 61 serves as the main load-bearing structure of the mounting component 6. It is connected to the first sleeve 63 and the second sleeve 64 respectively through two straight rods 62. The two sleeves are fitted together on the cutting drive shaft 8, which can provide sliding guidance for the mounting component 6 and improve the support stability of the mounting component 6, thus ensuring the smooth operation of the saw blade 7 after installation.

[0027] A bidirectional screw 51 is rotatably mounted between the two ends of the transverse frame 5. The bidirectional screw 51 is threadedly connected to the threaded slider 61. The threads on both sides of the bidirectional screw 51 have opposite directions. A spacing adjustment motor 52 is fixedly mounted at one end of the transverse frame 5. The output end of the spacing adjustment motor 52 is connected to the bidirectional screw 51 for transmission.

[0028] As can be seen from the above, the threads on both sides of the bidirectional screw 51 rotate in opposite directions. When the spacing adjustment motor 52 drives the bidirectional screw 51 to rotate, it can drive the two threaded sliders 61 to move synchronously in opposite directions along the axial direction, thereby adjusting the spacing between the two sets of saw discs 7 to adapt to the cutting requirements of fiberglass cloth of different widths. During the adjustment process, the mounting part 6 slides along the cutting drive shaft 8 without interrupting the transmission and engagement relationship.

[0029] Mounting component 6 also includes a limiting sleeve 65. A retaining ring 651 is fixedly installed on one side of the outer surface of the limiting sleeve 65, and a movable ring 652 is inserted into the outer wall of the limiting sleeve 65. The center hole of the saw disc 7 is fitted onto the limiting sleeve 65. The retaining ring 651 and the movable ring 652 are respectively located on both sides of the saw disc 7, and a bolt is inserted between the retaining ring 651 and the movable ring 652. The bolt passes through the positioning hole opened on the saw disc 7 and is screwed and fixed with a nut. The limiting sleeve 65 is movably positioned between the first sleeve 63 and the second sleeve 64.

[0030] As can be seen from the above, the retaining ring 651 and the movable ring 652 clamp the end face of the saw blade 7 from both sides. After being locked by bolts and nuts, the saw blade 7 can be fixed on the limiting sleeve 65 to prevent axial movement or circumferential displacement when the saw blade 7 rotates. The limiting sleeve 65 is movably set between the first sleeve 63 and the second sleeve 64. After the axial limit is released, it can be taken out separately to complete the disassembly and replacement of the saw blade 7.

[0031] The outer edge of the first sleeve 63 facing the second sleeve 64 has a stepped surface. One end of the limiting sleeve 65 is adapted to the stepped surface of the first sleeve 63. The end of the second sleeve 64 facing the first sleeve 63 is fixedly installed with an external threaded tube 641, and a locking nut 642 is threaded onto the external threaded tube 641. The distance between the first sleeve 63 and the external threaded tube 641 is greater than the length of the limiting sleeve 65. When the limiting sleeve 65 is inserted between the first sleeve 63 and the second sleeve 64, the locking nut 642 is rotated to make one end of the limiting sleeve 65 close to the stepped surface of the first sleeve 63. The two ends of the limiting sleeve 65 are respectively slidably adapted to the first sleeve 63 and the locking nut 642.

[0032] As can be seen from the above, the stepped surface of the first sleeve 63 axially limits one end of the limiting sleeve 65, and the locking nut 642 on the external threaded pipe 641 can be screwed in axially and pressed against the other end of the limiting sleeve 65, so as to axially fix the limiting sleeve 65 between the two sleeves. Loosening the locking nut 642 can pull the limiting sleeve 65 out from between the two sleeves.

[0033] A guide block 653 is fixedly installed on the inner side wall of the limiting sleeve 65, and a groove 81 adapted to the guide block 653 is opened on the cutting drive shaft 8.

[0034] As can be seen from the above, the guide block 653 inside the limiting sleeve 65 is embedded in the slide groove 81 of the cutting drive shaft 8, so that when the cutting drive shaft 8 rotates, it can drive the limiting sleeve 65 to rotate synchronously, thereby driving the saw disc 7 to complete the cutting action. At the same time, the limiting sleeve 65 can slide along the axial direction of the slide groove 81 to ensure that the transmission relationship remains stable during the spacing adjustment process.

[0035] A cutting drive motor 82 is fixedly installed at one end of the transverse frame 5. A drive gear 83 is fixedly installed at the output end of the cutting drive motor 82. A driven gear 84 is fixedly installed at one end of the cutting drive shaft 8. The driven gear 84 and the drive gear 83 are adapted to mesh. A sliding groove 81 passes through the end of the cutting drive shaft 8 away from the driven gear 84. Both ends of the cutting drive shaft 8 are provided with annular grooves 85. Both ends of the transverse frame 5 are provided with anti-lateral movement limit pins 54. The anti-lateral movement limit pins 54 are slidably adapted to the annular grooves 85.

[0036] As can be seen from the above, the cutting drive motor 82 drives the cutting drive shaft 8 to rotate through the meshing transmission of the drive gear 83 and the driven gear 84, providing rotational power for the saw disc 7. The anti-lateral movement limit pin 54 is embedded in the annular groove 85, which can limit the axial movement of the cutting drive shaft 8, while not hindering the circumferential rotation of the cutting drive shaft 8, ensuring the smooth operation of the transmission process. Furthermore, when it is necessary to disassemble and replace the saw disc 7, the anti-lateral movement limit pin 54 can be removed, and the cutting drive shaft 8 can be removed from one side of the transverse frame 5, which is convenient for disassembling the saw disc 7.

[0037] Example 3 like Figure 1 , Figure 2 , Figure 3 and Figure 9 As shown, the difference between this embodiment and the above embodiment is that a lifting cylinder 41 is fixedly installed on the frame 1, and the output end of the lifting cylinder 41 is fixedly connected to the upper surface of the lifting plate 4.

[0038] As can be seen from the above, the lifting cylinder 41 is fixed on the frame 1, and its output end is connected to the lifting plate 4. It can drive the lifting plate 4 to slide back and forth in the vertical direction along the frame 1, thereby adjusting the height of the entire positioning and cutting assembly to adapt to the cutting needs of fiberglass cloth of different thicknesses.

[0039] A transverse screw 42 is rotatably mounted on the lower surface of the lifting plate 4. A transverse slider 43 is threaded onto the transverse screw 42. The transverse slider 43 is fixedly connected to the upper surface of the transverse frame 5. A transverse drive motor 44 is fixedly mounted on the lower surface of the lifting plate 4. The output end of the transverse drive motor 44 is connected to the transverse screw 42 for transmission.

[0040] As can be seen from the above, the transverse drive motor 44 drives the transverse screw 42 to rotate, which in turn drives the transverse slider 43 to move along the screw axis, thereby driving the transverse frame 5 to move horizontally along the lower end of the lifting plate 4. This allows for adjustment of the overall transverse position of the cutting station to meet the alignment requirements of different fabric widths.

[0041] The connecting component 9 includes an upper rotating plate 91, a lower rotating plate 92, a sleeve 93, a slide rod 94, and a pressure spring 95. One end of the upper rotating plate 91 is rotatably connected to the lifting plate 4, and the other end of the upper rotating plate 91 is fixedly connected to the sleeve 93. One end of the lower rotating plate 92 is rotatably connected to the roller shaft of the positioning roller 3, and the other end of the lower rotating plate 92 is fixedly connected to the slide rod 94. The slide rod 94 is slidably connected to the sleeve 93. The pressure spring 95 is located inside the sleeve 93, and both ends of the pressure spring 95 are fixedly connected to the inner wall of the sleeve 93 and the end of the slide rod 94, respectively. Vertical guide holes 11 are provided at both ends of the frame 1, and the roller shaft of the positioning roller 3 is slidably installed inside the vertical guide holes 11.

[0042] As can be seen from the above, the upper rotating plate 91 and the lower rotating plate 92 are respectively hinged to the roller shafts of the lifting plate 4 and the positioning roller 3. The sleeve 93 and the slide rod 94 cooperate to achieve relative sliding. The pressure spring 95 is set inside the sleeve to provide buffering elasticity. The roller shaft of the positioning roller 3 slides vertically along the vertical guide hole 11. When the lifting plate 4 descends, it can drive the positioning roller 3 to press against the surface of the fiberglass cloth through the connecting piece. The spring buffer adapts to different cloth thicknesses to avoid damage to the cloth caused by rigid pressing.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A cutting device for producing fiberglass cloth, comprising a frame (1), characterized in that: Traction rollers (2) are rotatably mounted on both sides of the frame (1), and positioning rollers (3) are provided above the traction rollers (2). The positioning rollers (3) are vertically slidably mounted on the frame (1). A positioning and cutting assembly is provided in the middle of the frame (1). The positioning and cutting assembly includes a lifting plate (4), a transverse frame (5), a mounting piece (6), a saw disc (7), and a cutting drive shaft (8). The lifting plate (4) is vertically slidably connected to the frame (1). The transverse frame (5) is horizontally slidably mounted on the lower end of the lifting plate (4). The mounting pieces (6) are horizontally slidably mounted on the inner side of the transverse frame (5). The saw disc (7) is rotatably mounted on the mounting piece (6). The cutting drive shaft (8) is axially movably mounted on the transverse frame (5) and is used to drive the saw disc (7) to rotate. The positioning rollers (3) and the lifting plate (4) are connected by a connector (9).

2. The edge-cutting device for fiberglass cloth production according to claim 1, characterized in that: The mounting component (6) includes a threaded slider (61), a straight rod (62), a first sleeve (63), and a second sleeve (64). The two straight rods (62) are symmetrically fixed at both ends of the threaded slider (61). The first sleeve (63) and the second sleeve (64) are respectively fixed at the lower ends of the two straight rods (62), and the first sleeve (63) and the second sleeve (64) are both sleeved on the cutting drive shaft (8).

3. The edge-cutting device for fiberglass cloth production according to claim 2, characterized in that: A bidirectional screw (51) is rotatably installed between the two ends of the transverse frame (5). The bidirectional screw (51) is threadedly connected to the threaded slider (61). The threads on both sides of the bidirectional screw (51) have opposite directions. A spacing adjustment motor (52) is fixedly installed at one end of the transverse frame (5). The output end of the spacing adjustment motor (52) is connected to the bidirectional screw (51) for transmission.

4. The edge-cutting device for fiberglass cloth production according to claim 2, characterized in that: The mounting component (6) also includes a limiting sleeve (65). A retaining ring (651) is fixedly installed on one side of the outer surface of the limiting sleeve (65), and a movable ring (652) is inserted into the outer wall of the limiting sleeve (65). The center hole of the saw disc (7) is fitted onto the limiting sleeve (65). The retaining ring (651) and the movable ring (652) are respectively set on both sides of the saw disc (7), and a bolt is inserted between the retaining ring (651) and the movable ring (652). The bolt passes through the positioning hole opened on the saw disc (7) and is screwed and fixed with a nut. The limiting sleeve (65) is movably set between the first sleeve (63) and the second sleeve (64).

5. The edge-cutting device for fiberglass cloth production according to claim 4, characterized in that: The first sleeve (63) has a stepped surface on its outer edge facing the second sleeve (64). One end of the limiting sleeve (65) is adapted to the stepped surface of the first sleeve (63). The second sleeve (64) is fixedly installed with an external threaded tube (641) facing the first sleeve (63). A locking nut (642) is threaded onto the external threaded tube (641). The distance between the first sleeve (63) and the external threaded tube (641) is greater than the length of the limiting sleeve (65). When the limiting sleeve (65) is inserted between the first sleeve (63) and the second sleeve (64), the locking nut (642) is rotated to make one end of the limiting sleeve (65) close to the stepped surface of the first sleeve (63). The two ends of the limiting sleeve (65) are respectively slidably adapted to the first sleeve (63) and the locking nut (642).

6. The edge-cutting device for fiberglass cloth production according to claim 4, characterized in that: The inner wall of the limiting sleeve (65) is fixedly installed with a guide block (653), and the cutting drive shaft (8) is provided with a groove (81) that matches the guide block (653).

7. The edge-cutting device for fiberglass cloth production according to claim 6, characterized in that: A cutting drive motor (82) is fixedly installed at one end of the transverse frame (5). A drive gear (83) is fixedly installed at the output end of the cutting drive motor (82). A driven gear (84) is fixedly installed at one end of the cutting drive shaft (8). The driven gear (84) meshes with the drive gear (83). The slide groove (81) passes through the end of the cutting drive shaft (8) away from the driven gear (84). Both ends of the cutting drive shaft (8) are provided with annular grooves (85). Both ends of the transverse frame (5) are provided with anti-lateral movement limit pins (54). The anti-lateral movement limit pins (54) slide and adapt to the annular grooves (85).

8. The edge-cutting device for fiberglass cloth production according to claim 1, characterized in that: A lifting cylinder (41) is fixedly installed on the frame (1), and the output end of the lifting cylinder (41) is fixedly connected to the upper surface of the lifting plate (4).

9. The edge-cutting device for fiberglass cloth production according to claim 1, characterized in that: A transverse screw (42) is rotatably mounted on the lower surface of the lifting plate (4), and a transverse slider (43) is threaded onto the transverse screw (42). The transverse slider (43) is fixedly connected to the upper surface of the transverse frame (5). A transverse drive motor (44) is fixedly mounted on the lower surface of the lifting plate (4), and the output end of the transverse drive motor (44) is connected to the transverse screw (42) in a transmission connection.

10. The edge-cutting device for fiberglass cloth production according to claim 1, characterized in that: The connecting piece (9) includes an upper rotating plate (91), a lower rotating plate (92), a sleeve (93), a slide rod (94), and a pressure spring (95). One end of the upper rotating plate (91) is rotatably connected to the lifting plate (4), and the other end of the upper rotating plate (91) is fixedly connected to the sleeve (93). One end of the lower rotating plate (92) is rotatably connected to the roller shaft of the positioning roller (3), and the other end of the lower rotating plate (92) is fixedly connected to the slide rod (94). The slide rod (94) is slidably connected to the sleeve (93). The pressure spring (95) is located inside the sleeve (93), and both ends of the pressure spring (95) are fixedly connected to the inner wall of the sleeve (93) and the end of the slide rod (94), respectively. Vertical guide holes (11) are provided at both ends of the frame (1), and the roller shaft of the positioning roller (3) is slidably installed inside the vertical guide holes (11).

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