Laminated fabric conveying mechanism with self-adaptive tension adjustment function

Abstract

The invention discloses a self-adaptive tension adjustment film-covered fabric conveying mechanism, and relates to the technical field of film-covered fabric conveying, the self-adaptive tension adjustment film-covered fabric conveying mechanism comprises a mounting seat, and the inner wall of the mounting seat is fixedly connected with a first guide roller and a second guide roller; and an axial tension sensor, a tension roller and a traction unit are mounted on the inner wall of the mounting seat and between the first guide roller and the second guide roller. By arranging the traction unit and the clamping unit, a motor drives a first threaded rod to rotate, the first threaded rod rotates to drive a tension roller to move downwards, meanwhile, the first threaded rod rotates to drive a second threaded rod to rotate, the second threaded rod rotates to drive a movable frame to slide, and meanwhile, a traction plate moves; the traction plate moves to the position below the first guide roller; at the moment, one end of the fabric is clamped on the traction plate by the clamping plate, then the tension roller and the traction plate are displaced and reset, and when the movable frame is displaced to one end of the movable groove, the clamping plate is automatically loosened, so that the fabric is conveniently and automatically connected to the conveying equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of film-coated fabric conveying, and specifically relates to a film-coated fabric conveying mechanism with self-adaptive tension adjustment. BACKGROUND

[0002] Film-coated fabric refers to fabric treated by a film-coating process. Film-coating, also known as "plastic coating", "glueing", "film pasting", etc., refers to the process of covering a transparent plastic film on the surface of printed matter to protect and increase the gloss. This process involves bonding a plastic film coated with adhesive with paper printed matter through heating and pressing to form a paper-plastic integrated product. Film-coated non-woven fabric is a new type of fabric with properties such as non-toxicity and antibacterial properties. The high-quality properties of film-coated non-woven fabric make it the best choice for industrial non-woven fabric: super wear resistance and barrier properties; non-toxic, antibacterial, corrosion resistance; good air permeability, waterproof performance; high level of stretch and tear strength and good uniformity; excellent processing performance and thermal stability; no need for dyeing, more environmentally friendly, and higher color fastness.

[0003] When conveying film-coated fabric, excessive or insufficient tension of the fabric will affect subsequent processing and winding of the fabric. Typically, an axial tension sensor is used in conjunction with the movement of a tension roller to automatically adjust the tension of the fabric. However, when the fabric is sequentially passed through multiple guide rollers and tension rollers on the conveying equipment, it is necessary to manually pull one end of the fabric to pass it through the guide rollers and tension rollers. This operation is relatively complex. Therefore, a film-coated fabric conveying mechanism with self-adaptive tension adjustment is provided to facilitate the connection of the fabric to the conveying equipment. SUMMARY

[0004] The present application aims to facilitate the connection of the fabric to the conveying equipment, and provides a film-coated fabric conveying mechanism with self-adaptive tension adjustment.

[0005] In order to achieve the above object, the present application provides the following technical scheme: a self-adaptive tension adjusting film fabric conveying mechanism, comprising a mounting seat, the inner wall of the mounting seat is fixedly connected with a first guide roller and a second guide roller, an axial tension sensor is mounted between the first guide roller and the second guide roller on the inner wall of the mounting seat, a movable tension roller is mounted between the first guide roller and the axial tension sensor on the inner wall of the mounting seat, the fabric passes through the mounting seat through a traction unit, the traction unit comprises an adjusting groove, the adjusting groove is symmetrically provided on the inner wall of the mounting seat on both sides, the inner wall of the adjusting groove is slidably connected with an adjusting seat, the tension roller is rotatably connected between the two adjusting seats, a motor is mounted at the top end of the mounting seat, the output end of the motor is connected with a first threaded rod, the first threaded rod penetrates the adjusting seat, the outer wall of the first threaded rod is fixedly connected with a first spur gear, the outer wall of the first spur gear is rotatably connected with a second spur gear inside the mounting seat, the bottom end of the second spur gear is fixedly connected with a connecting shaft, the bottom end of the connecting shaft is fixedly connected with a first bevel gear, the outer wall of the first bevel gear is rotatably connected with a second bevel gear inside the mounting seat, one end of the second bevel gear is fixedly connected with a second threaded rod.

[0006] As a further scheme of the present application: the traction unit further comprises a movable groove, the movable groove is symmetrically provided on the inner wall of the mounting seat on both sides, the inner wall of the movable groove is slidably connected with a movable frame, the second threaded rod extends to the inner cavity of one of the movable grooves and penetrates the movable frame, a third spur gear is rotatably connected inside the movable frame, the third spur gear extends out of the movable frame and is in contact with the inner wall of the other movable groove, one end of the third spur gear is fixedly connected with a third threaded rod, the outer wall of the third threaded rod is symmetrically slidably connected with a displacement plate, the displacement plate is slidably connected to the outer wall of the movable frame, one end of the displacement plate is rotatably connected with a connecting rod, one end of the connecting rod is rotatably connected with a traction plate, the traction plate clamps one end of the fabric through a clamping unit.

[0007] As a further scheme of the present application: the clamping unit comprises a fixed block, the fixed block is fixedly connected with the outer wall of the movable frame, a clamping plate that penetrates the traction plate is slidably connected inside the traction plate, a bottom plate is fixedly connected to the bottom end of the clamping plate, a first spring is connected between the bottom plate and the traction plate, a clamping block is slidably connected to one side of the clamping plate inside the traction plate, a second spring is connected between the clamping block and the traction plate, a pressing block is slidably connected to the top end of the clamping block inside the traction plate, a push rod is slidably connected to the top end of the pressing block inside the traction plate, a pushing block is fixedly connected to the outer wall of the push rod, the pushing block extends out of the traction plate.

[0008] As a further further scheme of the present application: the inner wall of the adjusting groove is attached to the outer wall of the adjusting seat, the outer wall of the adjusting seat is provided with a first threaded hole, and the first threaded hole is matched with the first threaded rod.

[0009] As a further further scheme of the present application: the first straight gear is engaged with the second straight gear, and the first bevel gear is engaged with the second bevel gear.

[0010] As a further further scheme of the present application: the outer wall of the movable frame is attached to the inner wall of the movable groove, the inner wall of one of the movable grooves is fixedly connected with a limiting rod, and the limiting rod penetrates through the movable frame.

[0011] As a further further scheme of the present application: a tooth groove is arranged at the position where the inner wall bottom end of the movable groove is connected with the third straight gear, and the tooth groove is engaged with the third straight gear.

[0012] As a further further scheme of the present application: the outer wall of the third threaded rod is symmetrically provided with external threads, the outer wall of the displacement plate is provided with a third threaded hole, and the third threaded hole is matched with the external threads.

[0013] As a further further scheme of the present application: one side outer wall of the clamping plate is provided with a ratchet, and one end of the clamping block is clamped with the ratchet.

[0014] As a further further scheme of the present application: the top end of the clamping block is provided with a first inclined surface, the bottom end of the pressing block is in contact with the first inclined surface, the top end of the pressing block is provided with a second inclined surface, and the push rod is in contact with the second inclined surface.

[0015] Compared with the prior art, the present application has the following advantages: 1. By setting the traction unit and the clamping unit, the motor drives the first threaded rod to rotate, the first threaded rod drives the tension roller to displace downward, and the first threaded rod drives the second threaded rod to rotate, the second threaded rod drives the movable frame to slide, and the traction plate displaces to below the first guide roller; at this time, the clamping plate clamps one end of the fabric on the traction plate, and then the tension roller and the traction plate are displaced to reset, and when the movable frame is displaced to one end of the movable groove, the clamping plate is automatically released, so as to automatically connect the fabric on the conveying equipment. 2. By setting the axial tension sensor and the tension roller, the axial tension sensor is used for real-time detection of the tension of the fabric, the detected data is transmitted to the processing terminal, and whether the tension of the fabric needs to be adjusted is judged by comparison with the preset value, and the motor is operated to drive the tension roller to displace, so as to adaptively adjust the tension of the coated fabric. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the present application; Figure 2 is a sectional view of the mounting base of the present application; Figure 3 is a mounting schematic view of the first spur gear of the present application; Figure 4 is a mounting schematic view of the movable frame of the present application; Figure 5 is a sectional view of the movable frame of the present application; Figure 6 is a structural schematic view of the traction plate of the present application; Figure 7 is a sectional view of the traction plate of the present application.

[0017] In the figure: 1, mounting base; 2, first guide roller; 3, second guide roller; 4, axial tension sensor; 5, tension roller; 6, traction unit; 601, adjusting groove; 602, adjusting seat; 603, motor; 604, first threaded rod; 605, first spur gear; 606, second spur gear; 607, connecting shaft; 608, first bevel gear; 609, second bevel gear; 610, second threaded rod; 611, movable groove; 612, movable frame; 613, third spur gear; 614, third threaded rod; 615, displacement plate; 616, connecting rod; 617, traction plate; 7, clamping unit; 701, fixed block; 702, clamping plate; 703, bottom plate; 704, first spring; 705, clamping block; 706, second spring; 707, pressing block; 708, push rod; 709, pushing block; 8, limiting rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The embodiments will be described below according to the overall structure of the present application.

[0020] Please refer to Figures 1 to 7The embodiment of the application discloses a self-adaptive tension adjusting film-coated fabric conveying mechanism, which comprises a mounting seat 1, a first guide roller 2 and a second guide roller 3 are fixedly connected to the inner wall of the mounting seat 1, an axial tension sensor 4 is mounted between the first guide roller 2 and the second guide roller 3 on the inner wall of the mounting seat 1, a movable tension roller 5 is mounted between the first guide roller 2 and the axial tension sensor 4 on the inner wall of the mounting seat 1, a fabric passes through the mounting seat 1 through a traction unit 6, the traction unit 6 comprises adjusting grooves 601 which are symmetrically arranged on the inner wall of the mounting seat 1, adjusting seats 602 are slidably connected to the inner wall of the adjusting grooves 601, the tension roller 5 is rotatably connected between the two adjusting seats 602, a motor 603 is mounted at the top end of the mounting seat 1, a first threaded rod 604 is connected to the output end of the motor 603, the first threaded rod 604 penetrates through the adjusting seat 602, a first straight gear 605 is fixedly connected to the outer wall of the first threaded rod 604, a second straight gear 606 is rotatably connected to the outer wall of the first straight gear 605 in the mounting seat 1, a connecting shaft 607 is fixedly connected to the bottom end of the second straight gear 606, a first bevel gear 608 is fixedly connected to the bottom end of the connecting shaft 607, a second bevel gear 609 is rotatably connected to the outer wall of the first bevel gear 608 in the mounting seat 1, a second threaded rod 610 is fixedly connected to one end of the second bevel gear 609, the traction unit 6 further comprises movable grooves 611 which are symmetrically arranged on the inner wall of the mounting seat 1, movable frames 612 are slidably connected to the inner wall of the movable grooves 611, the second threaded rod 610 extends to the inner cavity of one movable groove 611 and penetrates through the movable frame 612, a third straight gear 613 is rotatably connected in the movable frame 612, the third straight gear 613 extends out of the movable frame 612 and is in contact with the inner wall of the other movable groove 611, a third threaded rod 614 is fixedly connected to one end of the third straight gear 613, displacement plates 615 are symmetrically slidably connected to the outer wall of the third threaded rod 614, the displacement plates 615 are slidably connected to the outer wall of the movable frame 612, a connecting rod 616 is rotatably connected to one end of the displacement plate 615, a traction plate 617 is rotatably connected to one end of the connecting rod 616, and the traction plate 617 clamps one end of the fabric through a clamping unit 7.

[0021] In the embodiment, the fabric moves along the bottom end of the first guide roller 2 to the top end of the tension roller 5, then moves out of the mounting seat 1 through the axial tension sensor 4 and the bottom end of the second guide roller 3, the axial tension sensor 4 is used for detecting the tension of the fabric in real time, the detected data is transmitted to a processing terminal, and whether the tension of the fabric needs to be adjusted is determined by comparing with a preset value, when the tension needs to be adjusted, the motor 603 is started, the motor 603 drives the first threaded rod 604 to rotate, the first threaded rod 604 drives the adjusting seat 602 to slide in the adjusting groove 601, the adjusting seat 602 drives the tension roller 5 to displace, and the tension of the film-coated fabric is self-adaptively adjusted. When one end of the fabric is passed through the mounting base 1, the motor 603 is started to drive the first threaded rod 604 to rotate, the first threaded rod 604 drives the adjusting seat 602 and the tension roller 5 to move downward, at the same time, the first threaded rod 604 drives the first spur gear 605 to rotate, the first spur gear 605 drives the second spur gear 606 to rotate, the second spur gear 606 drives the connecting shaft 607 to rotate, the connecting shaft 607 drives the first bevel gear 608 to rotate, the first bevel gear 608 drives the second bevel gear 609 to rotate, the second bevel gear 609 drives the second threaded rod 610 to rotate, the second threaded rod 610 drives the movable frame 612 to slide in the movable groove 611, at the same time, the third spur gear 613 slides along the movable groove 611 to drive the third spur gear 613 to rotate, the third spur gear 613 drives the third threaded rod 614 to rotate, the third threaded rod 614 drives the two displacement plates 615 to move close to each other, the displacement plates 615 move through the connecting rod 616 to drive the traction plate 617 to move, when the tension roller 5 moves below the movable groove 611 in the vertical direction, the traction plate 617 moves below the first guide roller 2 beyond the tension roller 5; At this time, through the cooperation of the parts in the clamping unit 7, one end of the fabric is clamped on the traction plate 617, then the motor 603 reverses to drive the tension roller 5 and the traction plate 617 to move reversely to reset, when the movable frame 612 moves to one end of the movable groove 611, the cooperation of the parts in the clamping unit 7 automatically releases one end of the fabric, so as to automatically connect the fabric on the conveying device.

[0022] Please refer to Figures 6 to 7 , the clamping unit 7 comprises a fixed block 701 fixedly connected with the outer wall of the movable frame 612, the inside of the traction plate 617 is slidably connected with a clamping plate 702 penetrating the traction plate 617, the bottom end of the clamping plate 702 is fixedly connected with a bottom plate 703, the first spring 704 is connected between the bottom plate 703 and the traction plate 617, the inside of the traction plate 617 is slidably connected with a clamping block 705 on one side of the clamping plate 702, the second spring 706 is connected between the clamping block 705 and the traction plate 617, the inside of the traction plate 617 is slidably connected with a pressing block 707 on the top end of the clamping block 705, the inside of the traction plate 617 is slidably connected with a push rod 708 on the top end of the pressing block 707, the outer wall of the push rod 708 is fixedly connected with a pushing block 709, and the pushing block 709 extends out of the traction plate 617.

[0023] In the embodiment, when the traction plate 617 moves below the first guide roller 2, one end of the fabric is placed between the clamping plate 702 and the traction plate 617, the clamping plate 702 is pushed to displace, the clamping plate 702 and the traction plate 617 displace to clamp one end of the fabric, the displacement of the clamping plate 702 drives the bottom plate 703 to displace, the bottom plate 703 is pressed to cause the first spring 704 to be extruded, and the clamping block 705 is clamped with the clamping plate 702 under the action of the second spring 706, so that the clamping plate 702 is fixed, and the clamping and fixing of the fabric are completed. When the movable frame 612 moves to the end of the movable groove 611 away from the first guide roller 2, the outer wall of the traction plate 617 is in contact with the fixed block 701 at this time, in this process, the pushing block 709 is in contact with the fixed block 701, the pushing block 709 is pushed to displace, the pushing block 709 drives the push rod 708 to displace, the push rod 708 drives the pressing block 707 to displace, the pressing block 707 drives the clamping block 705 to displace, the clamping block 705 is separated from the clamping plate 702, the fixing of the clamping plate 702 is cancelled, at this time, the bottom plate 703 is displaced and reset under the action of the first spring 704, the bottom plate 703 drives the clamping plate 702 to displace and reset, and the clamping operation on the fabric is automatically released.

[0024] Please refer to Figures 2 to 5 , the inner wall of the adjusting groove 601 is attached to the outer wall of the adjusting seat 602, the outer wall of the adjusting seat 602 is provided with a first threaded hole, and the first threaded hole is matched with the first threaded rod 604.

[0025] In the embodiment, the motor 603 operates to drive the first threaded rod 604 to rotate, the first threaded rod 604 rotates to drive the adjusting seat 602 to slide in the adjusting groove 601, and the adjusting seat 602 drives the tension roller 5 to displace.

[0026] Please refer to Figures 2 to 5 , the first spur gear 605 is engaged with the second spur gear 606, and the first bevel gear 608 is engaged with the second bevel gear 609.

[0027] In the embodiment, the first threaded rod 604 rotates to drive the first spur gear 605 to rotate, the first spur gear 605 rotates to drive the second spur gear 606 to rotate, the second spur gear 606 rotates to drive the connecting shaft 607 to rotate, the connecting shaft 607 rotates to drive the first bevel gear 608 to rotate, the first bevel gear 608 rotates to drive the second bevel gear 609 to rotate, and the second bevel gear 609 rotates to drive the second threaded rod 610 to rotate.

[0028] Please refer to Figures 2 to 5 , the outer wall of the movable frame 612 is attached to the inner wall of the movable groove 611, the inner wall of one movable groove 611 is fixedly connected with a limiting rod 8, and the limiting rod 8 penetrates through the movable frame 612.

[0029] In the embodiment, the second bevel gear 609 rotates to drive the second threaded rod 610 to rotate, and the second threaded rod 610 rotates to drive the movable frame 612 to slide in the movable groove 611, and the movable frame 612 slides along the limiting rod 8.

[0030] Please refer to Figures 2 to 5 , the inner wall bottom end of the movable groove 611 is provided with a tooth groove at the position where the tooth groove is in contact with the third spur gear 613, and the tooth groove is in mesh with the third spur gear 613.

[0031] In the embodiment, the movable frame 612 drives the third spur gear 613 to displace, and the third spur gear 613 slides along the movable groove 611 to drive the third spur gear 613 to rotate, and the third spur gear 613 rotates to drive the third threaded rod 614 to rotate.

[0032] Please refer to Figures 2 to 5 , the outer wall of the third threaded rod 614 is symmetrically provided with external threads, and the outer wall of the displacement plate 615 is provided with a third threaded hole, and the third threaded hole is matched with the external threads.

[0033] In the embodiment, the third spur gear 613 rotates to drive the third threaded rod 614 to rotate, and the third threaded rod 614 rotates to drive the two displacement plates 615 to displace to each other, and the displacement plate 615 displaces to drive the traction plate 617 to displace through the connecting rod 616.

[0034] Please refer to Figures 6 to 7 , the outer wall of the clamping plate 702 is provided with a ratchet on one side, and the clamping block 705 is clamped with the ratchet on one end.

[0035] In the embodiment, one end of the fabric is placed between the clamping plate 702 and the traction plate 617, the clamping plate 702 is pushed to displace, the clamping plate 702 displaces and the traction plate 617 together to clamp one end of the fabric, the clamping plate 702 displaces to drive the bottom plate 703 to displace, to press the first spring 704, and at the same time, the clamping block 705 is clamped with the clamping plate 702 under the action of the second spring 706, so as to fix the clamping plate 702.

[0036] Please refer to Figures 6 to 7 , the top end of the clamping block 705 is provided with a first inclined surface, the bottom end of the pressing block 707 is in contact with the first inclined surface, the top end of the pressing block 707 is provided with a second inclined surface, and the push rod 708 is in contact with the second inclined surface.

[0037] In the embodiment, the pushing block 709 is in contact with the fixed block 701, the pushing block 709 is displaced by being pushed, the pushing block 709 displacement drives the push rod 708 to displace, the push rod 708 displacement drives the lower pressing block 707 to displace, the lower pressing block 707 displacement drives the clamping block 705 to displace, the clamping block 705 displacement separates from the clamping plate 702, and the fixing of the clamping plate 702 is cancelled.

[0038] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and the inventive concept of the present application, can make equivalent replacements or changes within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A film-coated fabric conveying mechanism with adaptive tension adjustment, comprising a mounting seat (1), wherein the inner wall of the mounting seat (1) is fixedly connected to a first guide roller (2) and a second guide roller (3), characterized in that: An axial tension sensor (4) is installed on the inner wall of the mounting seat (1) between the first guide roller (2) and the second guide roller (3), and a movable tension roller (5) is installed on the inner wall of the mounting seat (1) between the first guide roller (2) and the axial tension sensor (4). The fabric passes through the mounting seat (1) through a traction unit (6), and the traction unit (6) includes an adjustment slot (601). The adjustment slot (601) is symmetrically opened on both sides of the inner wall of the mounting seat (1). The inner wall of the adjustment slot (601) is slidably connected to an adjustment seat (602). The tension roller (5) is rotatably connected between the two adjustment seats (602). A motor (603) is installed at the top of the mounting seat (1). The motor ( The output end of the adjusting seat (603) is connected to a first threaded rod (604), the first threaded rod (604) passes through the adjusting seat (602), the outer wall of the first threaded rod (604) is fixedly connected to a first spur gear (605), the interior of the mounting seat (1) is located on the outer wall of the first spur gear (605) and is rotatably connected to a second spur gear (606), the bottom end of the second spur gear (606) is fixedly connected to a connecting shaft (607), the bottom end of the connecting shaft (607) is fixedly connected to a first bevel gear (608), the interior of the mounting seat (1) is located on the outer wall of the first bevel gear (608) and is rotatably connected to a second bevel gear (609), and one end of the second bevel gear (609) is fixedly connected to a second threaded rod (610).

2. The self-adaptive tension-adjustable film-coated fabric conveying mechanism according to claim 1, characterized in that: The traction unit (6) further comprises a movable groove (611), wherein the movable groove (611) is symmetrically arranged on both sides of the inner wall of the mounting seat (1), and the inner wall of the movable groove (611) is slidably connected to a movable frame (612), the second threaded rod (610) extends to the inner cavity of one movable groove (611) and passes through the movable frame (612), and the interior of the movable frame (612) is rotatably connected to a third spur gear (613), and the third spur gear (613) extends out of the movable frame (612) and is connected to the other movable groove ( 611), one end of the third spur gear (613) is fixedly connected to a third threaded rod (614), the outer wall of the third threaded rod (614) is symmetrically slidably connected to a displacement plate (615), the displacement plate (615) is slidably connected to the outer wall of the movable frame (612), one end of the displacement plate (615) is rotatably connected to a connecting rod (616), one end of the connecting rod (616) is rotatably connected to a traction plate (617), and the traction plate (617) clamps one end of the fabric through the clamping unit (7).

3. The self-adaptive tension-adjustable film-coated fabric conveying mechanism according to claim 2, characterized in that: The clamping unit (7) includes a fixed block (701), the fixed block (701) is fixedly connected to the outer wall of the movable frame (612), the interior of the traction plate (617) is slidably connected to a clamping plate (702) that passes through the traction plate (617), the bottom end of the clamping plate (702) is fixedly connected to a bottom plate (703), a first spring (704) is connected between the bottom plate (703) and the traction plate (617), the interior of the traction plate (617) is located on one side of the clamping plate (702) and slides. A clamping block (705) is movably connected thereto, a second spring (706) is connected between the clamping block (705) and the traction plate (617), a lower pressing block (707) is slidably connected to the top of the clamping block (705) inside the traction plate (617), a push rod (708) is slidably connected to the top of the lower pressing block (707) inside the traction plate (617), a push block (709) is fixedly connected to the outer wall of the push rod (708), and the push block (709) extends out of the traction plate (617).

4. The self-adaptive tension-adjustable film-coated fabric conveying mechanism according to claim 2, characterized in that: The inner wall of the adjustment groove (601) fits in contact with the outer wall of the adjustment seat (602), and the outer wall of the adjustment seat (602) is provided with a first threaded hole, which matches the first threaded rod (604).

5. The self-adaptive tension-adjustable film-coated fabric conveying mechanism according to claim 2, characterized in that: The first spur gear (605) is meshed with the second spur gear (606), and the first bevel gear (608) is meshed with the second bevel gear (609).

6. The self-adaptive tension-adjustable film-coated fabric conveying mechanism according to claim 2, characterized in that: The outer wall of the movable frame (612) fits in contact with the inner wall of the movable groove (611), and a limiting rod (8) is fixedly connected to the inner wall of the movable groove (611), and the limiting rod (8) passes through the movable frame (612).

7. The self-adaptive tension-adjustable film-coated fabric conveying mechanism according to claim 2, characterized in that: A tooth groove is provided at the position where the bottom end of the inner wall of the movable groove (611) and the third spur gear (613) meet, and the tooth groove is meshed with the third spur gear (613).

8. The self-adaptive tension-adjustable film-coated fabric conveying mechanism according to claim 2, characterized in that: The outer wall of the third threaded rod (614) is symmetrically provided with external threads, and the outer wall of the displacement plate (615) is provided with a third threaded hole, the third threaded hole matching the external threads.

9. The self-adaptive tension-adjustable film-coated fabric conveying mechanism according to claim 3, characterized in that: A ratchet is provided on an outer wall of one side of the splint (702), and one end of the clamping block (705) is engaged with the ratchet.

10. The self-adaptive tension-adjustable film-coated fabric conveying mechanism according to claim 3, characterized in that: The top end of the clamping block (705) is provided with a first inclined surface, the bottom end of the lower pressing block (707) is in contact with the first inclined surface, the top end of the lower pressing block (707) is provided with a second inclined surface, and the push rod (708) is in contact with the second inclined surface.

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