Edge cutting and trimming device for lamp box fabric production

Abstract

An edge trimming device for lamp-box fabric production relates to the technical field of lamp-box fabric cutting and comprises a square mounting platform, two longitudinally symmetrical conveying mounting racks are arranged on the mounting platform, the lower ends of the conveying mounting racks are welded on the mounting platform, and an edge trimming assembly is arranged between the two conveying mounting racks. Cloth strip winding assemblies are respectively arranged on two longitudinal sides of the mounting platform; a transverse supporting plate is welded to the transverse side end face of the mounting platform, a box cloth unfolding mechanism is arranged on the upper surface of the transverse supporting plate, a supporting base is arranged on the other side of the upper surface of the mounting platform, one end of the supporting base is welded to the mounting platform, the other end of the supporting base is grounded, and a box cloth winding mechanism is arranged on the supporting base. A box cloth transfer conveying assembly is further arranged between the two conveying mounting frames. The problems of low efficiency, poor edge cutting quality, difficulty in tension control, difficulty in waste treatment, tedious operation and the like in lamp box fabric production in the prior art are solved.

Description

Technical Field

[0001] This invention relates to the field of lightbox fabric cutting technology, and more specifically to an edge trimming device for lightbox fabric production. Background Technology

[0002] Lightbox fabric, a commonly used advertising and decorative material, typically involves several stages in its production process, including spreading, conveying, trimming, and final rolling. In traditional production processes, these stages often rely on multiple independent machines or a large amount of manual labor, resulting in significant efficiency bottlenecks.

[0003] First, traditional edge trimming processes have a low degree of automation, typically requiring manual guidance of the fabric and cutting. This method is not only labor-intensive and inefficient, but also makes it difficult to guarantee the stability of manual operation. Deviations in cutting force or path can easily lead to problems such as wavy edges, burrs, or unevenness in the fabric edges, seriously affecting product quality and consistency.

[0004] Secondly, controlling the tension of the fabric during the conveying process is a key challenge. The lack of an effective real-time tension adjustment mechanism will result in the fabric being inconsistently tight during processing. If too loose, the fabric will sag and wrinkle, affecting the normal operation of the cutter and cutting accuracy; if too tight, the fabric may be accidentally stretched or even torn, leading to material waste and an increased defect rate.

[0005] In addition, the disposal of waste fabric strips generated during the cutting process is also a major challenge. These strips are usually scattered around the equipment or require regular manual cleaning, which not only spoils the cleanliness of the production environment and increases subsequent cleaning costs, but also poses certain safety hazards if they accumulate over time.

[0006] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Summary of the Invention

[0007] To address the shortcomings of existing technologies, this invention provides an edge trimming device for lightbox fabric production, which solves the problems of low efficiency, poor edge quality, difficulty in tension control, difficulty in waste disposal, and cumbersome operation in traditional lightbox fabric production.

[0008] To achieve the above objectives, the present invention provides the following technical solution: The trimming and finishing device for lightbox fabric production includes a square mounting platform with two longitudinally symmetrical conveyor mounting frames on the platform. The lower ends of the conveyor mounting frames are welded to the mounting platform, and trimming and finishing components are provided between the two conveyor mounting frames. Fabric strip winding and gathering components are provided on both longitudinal sides of the mounting platform.

[0009] As an optimized solution, the trimming assembly includes two mounting blades, the lower ends of which are welded to the upper surface of the conveyor mounting frame near the end.

[0010] As an optimized solution, a flip-up square column is rotatably installed between the two mounting knife holders. Two adjustable knife seats are slidably sleeved on the flip-up square column. The adjustable knife seats are square frame seats, and a trimming knife is fixed on the front of the adjustable knife seats.

[0011] As an optimized solution, the fabric strip winding assembly includes two longitudinal support plates, which are respectively disposed on the longitudinal sides of the mounting platform and welded to their longitudinal end faces.

[0012] As an optimized solution, an L-shaped winding and collecting box is fixed on the upper surface of each of the longitudinal pallets, and a cloth winding and collecting roller is rotatably provided on the transverse side wall of the winding and collecting box.

[0013] As an optimized solution, a guide frame is fixed on the upper surface of each winding and collecting box. A rotating screw is connected to the outside of the winding and collecting box. The rotating screw extends laterally and passes through the guide frame. A square reciprocating slide is slidably fitted inside the guide frame. The rotating screw passes through and is threadedly connected to the reciprocating slide.

[0014] As an optimized solution, each of the reciprocating slides has a cloth strip constraint frame that is raised and lowered on its upper surface.

[0015] As an optimized solution, a transverse support plate is welded to the transverse side end face of the mounting platform. The upper surface of the transverse support plate is provided with a box fabric unfolding mechanism. The other side of the upper surface of the mounting platform is provided with a support base. The support base is a U-shaped seat with the opening facing downwards. One end of the support base is welded to the mounting platform, and the other end of the support base is grounded. The support base is provided with a box fabric winding mechanism. A box fabric transfer conveying assembly is also provided between the two conveying mounting frames.

[0016] As an optimized solution, the box fabric unfolding mechanism includes two longitudinally symmetrical unfolding mounting frames. The lower end of the unfolding mounting frame is fixed to the upper surface of the transverse support plate. Each unfolding mounting frame is provided with a vertically extending disassembly connection port. A lifting cylinder is fixed on the inner bottom surface of the disassembly connection port, and an arc-shaped positioning seat is fixed on the upper telescopic end of the lifting cylinder.

[0017] As an optimized solution, a box fabric spreading roller is rotatably provided between the two unfolding mounting frames. A rotating support column is welded to each longitudinal side end face of the box fabric spreading roller. The rotating support column passes through the disassembly communication port and is rotatably locked onto the arc-shaped positioning seat. A limit slot is opened on the rotating support column, and a limit bolt is provided in the limit slot.

[0018] As an optimized solution, the box fabric transfer and conveying assembly includes two guide rollers arranged symmetrically at the top and bottom. The two guide rollers are rotatably mounted on the two conveying mounting frames and are positioned near the box fabric spreading roller.

[0019] As an optimized solution, a central control box is fixed to the longitudinal outer wall of one of the conveyor mounting frames.

[0020] As an optimized solution, the box fabric transfer and conveying assembly further includes a tension adjusting roller that slides vertically. The tension adjusting roller is located in the middle part of the two conveying mounting frames. A guide groove is provided on the longitudinal side wall of the conveying mounting frame corresponding to the tension adjusting roller, and the guide groove extends vertically.

[0021] As an optimized solution, a connecting shaft is fixed on each longitudinal side end face of the tension adjusting roller, and the end of the connecting shaft passes through the guide groove and is fixed to a lifting slide.

[0022] As an optimized solution, a lifting drive motor is fixed on the longitudinal outer wall of the conveying mounting frame for each of the lifting slides. A vertical screw is fixed to the end of the output shaft of the lifting drive motor, and the vertical screw passes through and is threaded to the lifting slide.

[0023] As an optimized solution, the box fabric transfer and conveying assembly further includes two active rollers, which are respectively arranged on the lateral sides of the lifting drive motor. Each active roller has two roller mounting seats on its longitudinal sides. The two ends of the active roller are rotatably mounted on the roller mounting seats, and the lower end of the roller mounting seats is welded to the upper surface of the conveying mounting frame.

[0024] As an optimized solution, a conveying drive motor is fixed on the longitudinal outer wall of the two roller mounting seats located on the same side, and the output shaft end of the conveying drive motor passes through the roller mounting seat and is fixed to the side end face of the active roller.

[0025] As an optimized solution, a power supply box is fixed on the longitudinal outer wall of the conveyor mounting frame. The power supply box is located below the two conveyor drive motors and is electrically connected to the two conveyor drive motors respectively.

[0026] As an optimized solution, the box fabric transfer and conveying assembly further includes a support roller. The support roller is located close to one of the active rollers and away from the box fabric spreading roller. Two fixed mounting seats are provided on each of the longitudinal sides of the support roller. The lower end of the fixed mounting seat is welded to the upper surface of the conveying mounting frame. The support roller is rotatably mounted between the two fixed mounting seats.

[0027] As an optimized solution, the box fabric winding mechanism includes a fixed side plate and a detachable side plate. The lower end of the fixed side plate is welded to the upper surface of the support base. The support base has a disassembly slot corresponding to the detachable side plate. The detachable side plate is fixed in the disassembly slot by bolts.

[0028] As an optimized solution, a take-up roller is rotatably provided between the fixed side plate and the detachable side plate, and a take-up drive motor for driving the take-up roller to rotate is fixed on the longitudinal outer wall of the fixed side plate.

[0029] As an optimized solution, the fabric winding assembly further includes two steering sleeves, which are respectively fixed on the transverse outer wall of the conveying mounting frame. Each steering sleeve contains a ball-head steering column, and a center-shifting roller is rotatably mounted on the ball-head steering column.

[0030] As an optimized solution, a flip drive motor is fixed on the longitudinal outer wall of one of the mounting tool holders, and the output shaft end of the flip drive motor is fixed to the side end face of the flip column.

[0031] As an optimized solution, a positioning bolt is rotatably mounted on the back of the adjustable tool holder, and the end of the positioning bolt abuts against the side wall of the flip-up square column.

[0032] Compared with the prior art, the beneficial effects of the present invention are: 1. Continuous production is achieved: Through the coherent design of fabric laying, transfer and conveying, edge trimming and winding, the lightbox fabric can be automated and continuously operated from laying, processing to winding, which effectively improves production efficiency and reduces manual intervention and process changeover time.

[0033] 2. High trimming precision and flexible adjustment: The trimming and finishing assembly adopts a longitudinally sliding adjustable blade holder structure. Operators can freely adjust the trimming position according to the fabric width and tighten it with positioning bolts, ensuring the stability of the trimming process and the accuracy of the trimming width. The flipping column, together with the flipping drive motor, can control the angle of the trimming blade to adapt to the cutting needs of box fabrics of different thicknesses or materials.

[0034] 3. Controllable tension and strong adaptability: The tension adjustment roller achieves precise up and down adjustment through the lifting drive motor and vertical screw. It can adjust the tension of the box cloth in real time according to production needs, avoiding wrinkles, deformation or uneven cutting of the cloth due to uneven tension. It is especially suitable for the production of light box cloth of different specifications and materials.

[0035] 4. Stable structure and easy maintenance: The main body of the device adopts a combination of welding and bolt connection. For example, the box cloth spreading roller is fixed by the arc-shaped positioning seat and limit bolt, which not only ensures the rigidity and stability of the structure, but also facilitates the disassembly and replacement of key components, reducing the difficulty of equipment maintenance.

[0036] 5. Automatic waste collection and optimized working environment: The cloth strip winding and collecting component uses the coordination of intermediate conversion rollers, electrically controlled telescopic cylinders and reciprocating slides to achieve automatic winding and uniform distribution of waste cloth strips, avoiding waste accumulation or uneven winding, keeping the production site clean, and reducing manual cleaning costs.

[0037] 6. High degree of operation integration: The central control box and power supply box are centrally located, realizing integrated control of the conveying, winding, tensioning and trimming motors, which improves the convenience and coordination of equipment operation and reduces the complexity of operation. Attached Figure Description

[0038] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0039] Figure 1 This is a schematic diagram of the overall external structure of the present invention in the main viewing direction; Figure 2 This is a schematic diagram of the overall external structure of the present invention from a top-down perspective; Figure 3 This is a schematic diagram of the overall external structure of the present invention from the left-side view direction; Figure 4 This is a three-dimensional structural diagram of the present invention; Figure 5 For the present invention along Figure 1 A schematic diagram of the internal structure cut along line AA in the middle; Figure 6 For the present invention along Figure 1 A schematic diagram of the internal structure cut along the middle BB line; Figure 7 For the present invention along Figure 1 A schematic diagram of the internal structure cut along the CC line; Figure 8 For the present invention along Figure 1 A schematic diagram of the internal structure cut along the DD line in the middle; Figure 9 For the present invention along Figure 2 A schematic diagram of the internal structure cut along the EE line.

[0040] In the diagram: 1-Mounting platform, 2-Conveyor mounting frame, 3-Horizontal support plate, 4-Support base, 5-Unfolding mounting frame, 6-Disassembly connection port, 7-Lifting cylinder, 8-Arc-shaped positioning seat, 9-Crate fabric unfolding roller, 10-Rotating support column, 11-Limit slot, 12-Limit bolt, 13-Guide roller, 14-Central control box, 15-Tension adjusting roller, 16-Guide chute, 17-Connecting shaft, 18-Lifting slide, 19-Lifting drive motor, 20-Vertical screw, 21-Active rotating roller, 22-Roller mounting seat, 23-Conveyor drive motor, 24-Power supply box, 25-Support 26-Stabilized mounting base, 27-Knife holder mounting, 28-Tilting column, 29-Tilting drive motor, 30-Adjustable knife holder, 31-Edge trimming knife, 32-Positioning bolt, 33-Steering sleeve, 34-Ball head steering column, 35-Center reversing roller, 36-Longitudinal support plate, 37-Winding and collecting box, 38-Fabric strip winding and collecting roller, 39-Guide frame, 40-Rotating screw, 41-Reciprocating slide, 42-Electrically controlled telescopic cylinder, 43-Fabric strip constraint frame, 44-Fixed side plate, 45-Removable side plate, 46-Removal slot, 47-Winding roller, 48-Winding drive motor. Detailed Implementation

[0041] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.

[0042] like Figures 1 to 9 As shown, the trimming and finishing device for lightbox fabric production includes a square mounting platform 1. Two longitudinally symmetrical conveyor mounting frames 2 are mounted on the mounting platform 1. The lower ends of the conveyor mounting frames 2 are welded to the mounting platform 1. A fabric transfer conveyor assembly and a trimming and finishing assembly are respectively provided between the two conveyor mounting frames 2. A transverse support plate 3 is welded to the transverse side end face of the mounting platform 1. A fabric unfolding mechanism is provided on the upper surface of the transverse support plate 3. A support base 4 is provided on the other side of the upper surface of the mounting platform 1. The support base 4 is a U-shaped seat with its opening facing downwards. One end of the support base 4 is welded to the mounting platform 1, and the other end of the support base 4 is grounded. A fabric winding mechanism is provided on the support base 4. Fabric wrapping assemblies are provided on both longitudinal sides of the mounting platform 1.

[0043] The box fabric unfolding mechanism includes two longitudinally symmetrical unfolding mounting frames 5. The lower end of the unfolding mounting frame 5 is fixed on the upper surface of the transverse support plate 3. Each unfolding mounting frame 5 is provided with a vertically extending disassembly connection port 6. A lifting cylinder 7 is fixed on the inner bottom surface of the disassembly connection port 6. An arc-shaped positioning seat 8 is fixed on the upper telescopic end of the lifting cylinder 7.

[0044] A box fabric spreading roller 9 is rotatably provided between the two unfolding mounting frames 5. A rotating support column 10 is welded to each longitudinal side end face of the box fabric spreading roller 9. The rotating support column 10 passes through the disassembly connection port 6 and is rotatably clamped on the arc-shaped positioning seat 8. A limit slot 11 is opened on the rotating support column 10, and a limit bolt 12 is provided in the limit slot 11.

[0045] The box fabric transfer and conveying assembly includes two guide rollers 13 arranged symmetrically at the top and bottom. The two guide rollers 13 are rotatably mounted on two conveying mounting frames 2 and are positioned near the box fabric spreading roller 9.

[0046] A central control box 14 is fixed on the longitudinal outer wall of one of the conveyor mounting frames 2.

[0047] The box fabric transfer and conveying assembly also includes a tension adjusting roller 15 that slides up and down. The tension adjusting roller 15 is located in the middle part of the two conveying mounting frames 2. A guide groove 16 is provided on the longitudinal side wall of the conveying mounting frame 2 corresponding to the tension adjusting roller 15. The guide groove 16 extends vertically.

[0048] A connecting shaft 17 is fixed on each longitudinal side end face of the tension adjusting roller 15. The end of the connecting shaft 17 passes through the guide groove 16 and is fixed to the lifting slide 18.

[0049] A lifting drive motor 19 is fixed on the longitudinal outer wall of the conveying mounting frame 2 for each lifting slide 18. A vertical screw 20 is fixed to the end of the output shaft of the lifting drive motor 19. The vertical screw 20 passes through and is threaded to the lifting slide 18.

[0050] The box fabric transfer and conveying assembly also includes two active rollers 21, which are respectively located on the horizontal sides of the lifting drive motor 19. Each active roller 21 has two roller mounting seats 22 on its longitudinal sides. The two ends of the active roller 21 are rotatably mounted on the roller mounting seats 22, and the lower end of the roller mounting seats 22 is welded to the upper surface of the conveying mounting frame 2.

[0051] Two roller mounting seats 22 located on the same side are fixed with a conveyor drive motor 23 on their longitudinal outer walls. The output shaft of the conveyor drive motor 23 passes through the roller mounting seat 22 and is fixed to the side end face of the drive roller 21.

[0052] A power supply box 24 is fixed on the longitudinal outer wall of the conveyor mounting frame 2. The power supply box 24 is located below the two conveyor drive motors 23 and is electrically connected to the two conveyor drive motors 23 respectively.

[0053] The box fabric transfer and conveying assembly also includes a support roller 25. The support roller 25 is located close to one of the active rollers 21 and away from the box fabric spreading roller 9. Two fixed mounting seats 26 are provided on the longitudinal sides of the support roller 25. The lower end of the fixed mounting seat 26 is welded to the upper surface of the conveying mounting frame 2. The support roller 25 is rotatably mounted between the two fixed mounting seats 26.

[0054] The trimming assembly includes two mounting blade holders 27, which are located on one side of the fixed mounting base 26 and whose lower ends are also welded to the upper surface of the conveying mounting frame 2.

[0055] A rotating square column 28 is rotatably mounted between two tool holders 27. A rotating drive motor 29 is fixed on the longitudinal outer wall of one of the tool holders 27, and the end of the output shaft of the rotating drive motor 29 is fixed to the side end face of the rotating square column 28.

[0056] Two adjustable blade holders 30 are slidably mounted on the flip-up square column 28. The adjustable blade holder 30 is a square frame base. A trimming blade 31 is fixed on the front of the adjustable blade holder 30, and a positioning bolt 32 is rotatably mounted on the back of the adjustable blade holder 30. The end of the positioning bolt 32 abuts against the side wall of the flip-up square column 28.

[0057] The fabric strip winding assembly includes two steering sleeves 33, which are respectively fixed on the transverse outer wall of the conveying mounting frame 2. Each steering sleeve 33 has a ball head steering column 34 rotatably mounted inside it, and a central reversing roller 35 is rotatably mounted on the ball head steering column 34.

[0058] The fabric strip winding assembly also includes two longitudinal support plates 36, which are respectively located on the longitudinal sides of the mounting platform 1 and welded to the longitudinal end face of the mounting platform 1.

[0059] Each longitudinal pallet 36 has an L-shaped winding and collecting box 37 fixed on its upper surface, and a cloth strip winding and collecting roller 38 is rotatably provided on the transverse side wall of the winding and collecting box 37.

[0060] Each winding and collecting box 37 has a guide frame 39 fixed on its upper surface. The guide frame 39 is located between the strip winding roller 38 and the intermediate turning roller 35. The winding and collecting box 37 is externally connected to a rotating screw 40. The rotating screw 40 extends laterally and passes through the guide frame 39. A square reciprocating slide 41 is slidably installed inside the guide frame 39. The rotating screw 40 passes through and is threadedly connected to the reciprocating slide 41.

[0061] Each reciprocating slide 41 has an electrically controlled telescopic cylinder 42 fixed on its upper surface, and a cloth strip constraint frame 43 is fixed at the upper end of the electrically controlled telescopic cylinder 42.

[0062] The box fabric winding mechanism includes a fixed side plate 44 and a detachable side plate 45. The lower end of the fixed side plate 44 is welded to the upper surface of the support base 4. The support base 4 has a disassembly slot 46 corresponding to the detachable side plate 45. The detachable side plate 45 is fixed in the disassembly slot 46 by bolts.

[0063] A take-up roller 47 is rotatably provided between the fixed side plate 44 and the detachable side plate 45. A take-up drive motor 48 for driving the take-up roller 47 to rotate is fixed on the longitudinal outer wall of the fixed side plate 44.

[0064] The lightbox fabric is unfolded from the fabric unfolding roller 9, and then passes through the guide roller 13, the first active rotating roller 21, the tension adjusting roller 15, the second active rotating roller 21, and the support rotating roller 25 in sequence, and finally wrapped and fixed on the winding rotating roller 47.

[0065] When using this invention: First, install the box fabric spreading roller 9 between the two spreading mounting frames 5 and make the two rotating support columns 10 pass through the two disassembly and connecting ports 6 respectively. Control the lifting cylinder 7 to extend and drive the arc-shaped positioning seat 8 to move upward and clamp the rotating support column 10. Then insert the limiting bolt 12 into the limiting slot 11 to limit the box fabric spreading roller 9. The end of the box fabric is stretched and extended so that it passes through the guide roller 13, the drive roller 21, the tension adjusting roller 15 and the support roller 25 in sequence, and is finally fixed and wound on the take-up roller 47. Push the adjustable blade holder 30 to slide longitudinally along the flip-up square column 28 to adjust the trimming position, and then fix the adjustable blade holder 30 by tightening the positioning bolt 32; Start the flip drive motor 29, which drives the flip column 28 to rotate at a certain angle, so that the cutting blade 31 comes into contact with the unfolded box fabric, thereby achieving continuous trimming and cutting. Rotate the ball head steering column 34 to adjust the angle of the central reversing roller 35, pass the cut strip of cloth around the central reversing roller 35, then through the cloth strip constraint frame 43, and wrap and fix it on the cloth strip winding roller 38; Open the central control box 14 and start each motor individually; When the conveyor drive motor 23 starts, it drives the active roller 21 to rotate, continuously conveying the box cloth forward; When the winding drive motor 48 starts, it drives the winding roller 47 to rotate, and winds up and collects the box fabric that has been trimmed. When the lifting drive motor 19 starts, it drives the vertical screw 20 to rotate, which drives the lifting slide 18 to move up and down, adjusting the position of the tension adjustment roller 15, thereby tightening the box cloth; Open the winding and collecting box 37, drive the cloth strip winding and collecting roller 38 to rotate, and continuously wind and collect the cut cloth strips; During the fabric strip winding process, the rotating screw 40 is controlled to rotate, and the reciprocating slide 41 is controlled to move back and forth along the guide frame 39. At the same time, the electric telescopic cylinder 42 is activated to control the fabric strip constraint frame 43 to move up and down, thereby changing the fabric strip winding position in real time to prevent the winding position from being too concentrated.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. An edge trimming device for lightbox fabric production, characterized in that: It includes a square mounting platform, on which two longitudinally symmetrical conveyor mounting frames are provided. The lower ends of the conveyor mounting frames are welded to the mounting platform. An edge trimming component is provided between the two conveyor mounting frames. Fabric strip winding components are provided on both longitudinal sides of the mounting platform. The trimming assembly includes two mounting blade holders, the lower ends of which are welded to the upper surface of the conveyor mounting frame near the end. A flip-up square column is rotatably mounted between the two mounting knife holders. Two adjustable knife seats are slidably sleeved on the flip-up square column. The adjustable knife seats are square frame seats, and a trimming knife is fixed on the front of the adjustable knife seats. The fabric strip winding assembly includes two longitudinal support plates, which are respectively disposed on the longitudinal sides of the mounting platform and welded to their longitudinal end faces. Each of the longitudinal pallets has an L-shaped winding and collecting box fixed on its upper surface, and a cloth winding and collecting roller is rotatably provided on the transverse side wall of the winding and collecting box. Each of the winding and collecting boxes has a guide frame fixed on its upper surface. A rotating screw is connected to the outside of the winding and collecting box. The rotating screw extends laterally and passes through the guide frame. A square reciprocating slide is slidably fitted inside the guide frame. The rotating screw passes through and is threadedly connected to the reciprocating slide. Each of the reciprocating slides has a cloth strip constraint frame that is raised and lowered on its upper surface.

2. The trimming and finishing device for lightbox fabric production according to claim 1, characterized in that: A transverse support plate is welded to the transverse side end face of the mounting platform. The upper surface of the transverse support plate is provided with a box cloth unfolding mechanism. A support base is provided on the other side of the upper surface of the mounting platform. The support base is a U-shaped seat with the opening facing downwards. One end of the support base is welded to the mounting platform, and the other end of the support base is grounded. A box cloth winding mechanism is provided on the support base. A box cloth transfer conveying assembly is also provided between the two conveying mounting frames.

3. The trimming and finishing device for lightbox fabric production according to claim 2, characterized in that: The box fabric unfolding mechanism includes two longitudinally symmetrical unfolding mounting frames. The lower end of the unfolding mounting frame is fixed to the upper surface of the transverse support plate. Each unfolding mounting frame is provided with a vertically extending disassembly connection port. A lifting cylinder is fixed on the inner bottom surface of the disassembly connection port. An arc-shaped positioning seat is fixed on the upper telescopic end of the lifting cylinder. A box fabric spreading roller is rotatably provided between the two unfolding mounting frames. A rotating support column is welded to each longitudinal side end face of the box fabric spreading roller. The rotating support column passes through the disassembly communication port and is rotatably locked onto the arc-shaped positioning seat. A limit slot is opened on the rotating support column, and a limit bolt is provided in the limit slot.

4. The trimming and finishing device for lightbox fabric production according to claim 3, characterized in that: The box fabric transfer and conveying assembly includes two guide rollers arranged symmetrically at the top and bottom. The two guide rollers are rotatably mounted on the two conveying mounting frames and are positioned close to the box fabric spreading roller. A central control box is fixed to the longitudinal outer wall of one of the conveyor mounting frames.

5. The trimming and finishing device for lightbox fabric production according to claim 4, characterized in that: The box fabric transfer and conveying assembly also includes a tension adjusting roller that slides up and down. The tension adjusting roller is located in the middle part of the two conveying mounting frames. A guide groove is provided on the longitudinal side wall of the conveying mounting frame corresponding to the tension adjusting roller. The guide groove extends vertically. A connecting shaft is fixed to each longitudinal side end face of the tension adjusting roller, and the end of the connecting shaft passes through the guide groove and is fixed to a lifting slide. A lifting drive motor is fixed on the longitudinal outer wall of the conveying mounting frame for each of the lifting slides. A vertical screw is fixed to the end of the output shaft of the lifting drive motor, and the vertical screw passes through and is threaded to the lifting slide.

6. The trimming and finishing device for lightbox fabric production according to claim 5, characterized in that: The box fabric transfer and conveying assembly also includes two active rollers, which are respectively located on the lateral sides of the lifting drive motor. Each active roller has two roller mounting seats on its longitudinal sides. The two ends of the active roller are rotatably mounted on the roller mounting seats, and the lower end of the roller mounting seats is welded to the upper surface of the conveying mounting frame. A conveying drive motor is fixed on the longitudinal outer wall of the two roller mounting seats located on the same side. The output shaft end of the conveying drive motor passes through the roller mounting seat and is fixed to the side end face of the drive roller. A power supply box is fixed on the longitudinal outer wall of the conveyor mounting frame. The power supply box is located below the two conveyor drive motors and is electrically connected to the two conveyor drive motors respectively.

7. The edge trimming device for lightbox fabric production according to claim 6, characterized in that: The box fabric transfer and conveying assembly also includes a support roller. The support roller is located close to one of the active rollers and away from the box fabric spreading roller. Two fixed mounting seats are provided on each of the longitudinal sides of the support roller. The lower end of the fixed mounting seat is welded to the upper surface of the conveying mounting frame. The support roller is rotatably mounted between the two fixed mounting seats.

8. The trimming and finishing device for lightbox fabric production according to claim 7, characterized in that: The box fabric winding mechanism includes a fixed side plate and a detachable side plate. The lower end of the fixed side plate is welded to the upper surface of the support base. The support base has a disassembly slot corresponding to the detachable side plate. The detachable side plate is fixed in the disassembly slot by bolts. A take-up roller is rotatably disposed between the fixed side plate and the detachable side plate, and a take-up drive motor for driving the take-up roller to rotate is fixed on the longitudinal outer wall of the fixed side plate.

9. The trimming and finishing device for lightbox fabric production according to claim 1, characterized in that: The fabric strip winding assembly also includes two steering sleeves, which are respectively fixed on the transverse outer wall of the conveying mounting frame. Each steering sleeve contains a ball-head steering column, and a center-shifting roller is rotatably mounted on the ball-head steering column.

10. The edge trimming device for lightbox fabric production according to claim 1, characterized in that: A tilting drive motor is fixed to the longitudinal outer wall of one of the tool holders, and the end of the output shaft of the tilting drive motor is fixed to the side end face of the tilting column. A positioning bolt is rotatably mounted on the back of the adjustable tool holder, and the end of the positioning bolt abuts against the side wall of the flip-up square column.

Images