Automobile roof base material cutting device

Abstract

The invention relates to an automobile roof base material cutting device, and relates to the technical field of automobile roof cutting equipment, the automobile roof base material cutting device comprises an unwinding roller, a pressing die cutter, an upper die, a lower die, a first fixing frame and a feeding assembly, the upper end of the first fixing frame is fixedly connected with a pressing die oil cylinder; the telescopic end of the die pressing oil cylinder vertically and downwards penetrates through the first fixing frame to be fixedly connected with the upper end face of the upper die, two rails are arranged in the first fixing frame, the upper die is located between the two rails, the feeding assembly is slidably connected with the rails in the direction perpendicular to the base material conveying direction, and a second fixing frame is arranged on the side, close to the unwinding roller, of the upper die. A cutter frame is slidably connected into the second fixing frame in the vertical direction, the die pressing cutter is slidably connected with the cutter frame in the direction perpendicular to the sliding direction of the feeding assembly, the upper die comprises a skylight cutter, the upper end face of the upper die is fixedly connected with a lower pressing cylinder, and the outer side of the upper die is sleeved with a burr cutter sliding in the vertical direction in the circumferential direction. The device has the effect of improving the production efficiency and the product quality.

Description

Technical Field

[0001] The present application relates to the technical field of automobile roof cutting equipment, and in particular to an automobile roof substrate cutting device. Background Art

[0002] The car interior ceiling is an interior part installed under the car body roof sheet metal, which is used to improve the decorativeness of the car interior, play the role of sound insulation, sound absorption, and heat insulation. It can also hide the wires and hardware of electrical components, antennas and other accessories to ensure the comfort and quietness of the car. The car interior ceiling is mainly composed of a base material layer and a fabric layer. The base material layer determines the function of the ceiling and is usually made of PU fiberglass board, PP fiberglass board, corrugated cardboard, hemp fiberboard and other materials; the fabric layer can present the appearance of the ceiling and is usually made of non-woven fabrics, knitted fabrics, glass fiber and other materials.

[0003] In the existing automobile roof manufacturing process, it is common to cut the roof once before die-casting to cut out the appropriate length for die-casting, cut it again when opening the sunroof, and finally trim the burrs manually when installing it on the frame. These operations are not only cumbersome, but also easily lead to low production efficiency and increase production costs. In addition, multiple cutting may also lead to waste of roof materials, affecting the quality and aesthetics of the product.

[0004] However, the existing car roof cutting method has obvious shortcomings. First, the production efficiency is low due to multiple cuttings. Each step requires a separate operation, which increases the manpower and time costs. Secondly, the inaccuracy of manual trimming of the burrs easily causes uneven edges of the roof, affecting the quality of the final product. Therefore, there is an urgent need for a device that can complete the roof cutting in one go to improve production efficiency and ensure product quality. Summary of the invention

[0005] In order to improve production efficiency and product quality, the present application provides a car roof substrate cutting device.

[0006] The present application provides a vehicle ceiling substrate cutting device, which adopts the following technical solution: A cutting device for automobile roof substrates, comprising an unwinding roller, a die cutting tool, an upper die, a lower die, a first fixed frame and a feeding assembly, wherein the first fixed frame is located on one side of the unwinding roller along the substrate conveying direction, the upper die and the lower die are both located in the first fixed frame, the upper end of the first fixed frame is fixedly connected to a die pressing cylinder, the telescopic end of the die pressing cylinder vertically passes through the first fixed frame downward and is fixedly connected to the upper end surface of the upper die, two tracks are arranged in the first fixed frame, the upper die is located between the two tracks, and the arrangement direction of the two tracks is perpendicular to the arrangement direction of the unwinding roller and the upper die The feeding assembly is slidably connected to the track in a direction perpendicular to the substrate conveying direction, a second fixed frame is provided on the side of the upper mold close to the unwinding roller, a tool holder is slidably connected in the second fixed frame in a vertical direction, the die pressing tool is slidably connected to the tool holder in a direction perpendicular to the sliding direction of the feeding assembly, the upper mold includes a skylight tool, a lower pressure cylinder is fixedly connected to the upper end surface of the upper mold, the telescopic end of the lower pressure cylinder passes through the upper mold and is fixedly connected to the skylight tool, a through groove corresponding to the skylight tool is opened on the lower mold, and a burr tool sliding in the vertical direction is circumferentially sleeved on the outer side of the upper mold.

[0007] By adopting the above technical solution, the device realizes continuous conveying and precise cutting of the ceiling substrate through the coordinated action of the unwinding roller, die cutter, upper die, lower die, first fixed frame and feeding assembly. The design of the upper die and lower die enables the skylight cutter to complete the precise cutting of the skylight position under the drive of the die cylinder. At the same time, the burr cutter can synchronously cut off the excess part of the ceiling edge, avoiding the tedious and inefficient multiple manual operations in the traditional method, and improving production efficiency. In addition, the track design in the first fixed frame ensures the stable operation of the feeding assembly, further improving the cutting accuracy and reliability.

[0008] Optionally, the upper end of the burr tool is fixedly connected with several connecting rods along the circumferential direction, and a sliding groove for the sliding of the burr tool is opened on the side of the upper mold. The connecting rod passes through the sliding groove and is fixedly connected with the skylight tool, and the lower end surface of the burr tool is not lower than the lower end surface of the skylight tool.

[0009] By adopting the above technical solution, the burr cutter and the skylight cutter are linked to ensure that the burr is automatically cut while cutting the skylight, thereby improving cutting efficiency, reducing manual intervention, reducing production costs, and ensuring the consistency and stability of cutting quality.

[0010] Optionally, the unwinding roller includes a substrate roller and a fabric roller, the fabric roller is located below the substrate roller, the substrate roller sleeve is provided with a positioning plate sliding along its own axis, and the end of the positioning plate away from the substrate roller is slidably connected to the fabric roller.

[0011] By adopting the above technical solution, the substrate and fabric can be unwound synchronously, ensuring the accurate position of both during the cutting process, and improving the cutting accuracy and efficiency. At the same time, the design of the positioning plate can ensure that one side of the substrate roll and the fabric roll are flush, so that the substrate and fabric remain stable during the unwinding process, avoiding quality problems caused by misalignment.

[0012] Optionally, a guide roller and a tensioning roller arranged in a vertical direction are provided on a side of the second fixed frame close to the unwinding roller, and the tensioning roller is located above the guide roller and slides in the vertical direction.

[0013] By adopting the above technical solution, the guide roller and the tension roller can effectively adjust the tension of the ceiling substrate to ensure the flatness of the substrate during transportation. At the same time, the tension roller can slide in the vertical direction and adjust the tension according to the different thickness of the substrate, thereby improving the adaptability and stability of the equipment.

[0014] Optionally, the feeding assembly includes a first upper pressure plate, a first lower pressure plate, two first clamping cylinders and two brackets, the two ends of the first lower pressure plate are respectively located in two tracks and are slidably connected to the tracks, the two brackets are respectively fixedly connected to the two sides of the upper end surface of the first lower pressure plate close to the tracks, the cylinder body of the first clamping cylinder is fixedly connected to the upper end surface of the bracket, the telescopic end of the first clamping cylinder vertically downward passes through the bracket and is fixedly connected to the upper end surface of the first upper pressure plate, the first upper pressure plate is located between the two brackets, and the distance between the two brackets is greater than the width of the upper mold along a direction perpendicular to the sliding direction of the first lower pressure plate.

[0015] By adopting the above technical solution, the feeding assembly can ensure stable transmission of the substrate during the cutting process. The first upper pressing plate and the first lower pressing plate are used together to effectively clamp the substrate to prevent the substrate from being offset or deformed during the conveying and cutting process. The setting of the first clamping cylinder enables the first upper pressing plate to fit the substrate closely during the cutting process, ensuring the cutting accuracy. At the same time, the design of the two brackets avoids collision with the upper mold during the movement of the feeding assembly, thereby improving production safety.

[0016] Optionally, a second lower pressing plate is fixedly connected in the second fixing frame, and a second upper pressing plate is provided above the second lower pressing plate and is slidably connected to the second fixing frame in a vertical direction, and the upper end surface of the second lower pressing plate is flush with the upper end surface of the first upper pressing plate.

[0017] By adopting the above technical solution, the second lower pressing plate and the second upper pressing plate are arranged so that the ceiling substrate can be pressed more stably during the cutting process, avoiding the problem of reduced cutting accuracy due to loose substrate. At the same time, the upper end surface of the second lower pressing plate is designed to be flush with the upper end surface of the first upper pressing plate, ensuring that the upper and lower pressing plates work on the same horizontal plane, further improving the flatness and consistency of cutting and improving the quality of the final product.

[0018] Optionally, a guide rod is provided on each side of the upper end surface of the second upper pressure plate, and a spring is provided on the outer side of the guide rod, the spring is located between the second upper pressure plate and the tool holder, the upper end of the guide rod passes through the tool holder and the second mounting frame and is located above the second mounting frame, a second clamping cylinder is fixedly provided on the upper end surface of the second mounting frame, the telescopic end of the second clamping cylinder vertically downward passes through the second mounting frame and is fixedly connected to the upper end surface of the tool holder, a limiting ring is fixedly provided on the outer side of the guide rod, and the limiting ring is located above the tool holder.

[0019] By adopting the above technical solution, precise control of the die cutter is achieved, cutting errors caused by unstable cutter are avoided, and cutting accuracy and production efficiency are improved. At the same time, the design of the guide rod and spring realizes the linkage between the cutter holder and the second upper platen, reducing equipment costs.

[0020] Optionally, the second lower pressure plate and the second upper pressure plate are both provided with a plurality of slots evenly arranged along the horizontal sliding direction of the die tool at one end close to the upper mold, and the first lower pressure plate and the first upper pressure plate are both provided with a plurality of plugs for inserting into the slots at one end close to the unwinding roller.

[0021] By adopting the above technical solution, the design enables the second lower pressing plate and the second upper pressing plate to be precisely docked with the first lower pressing plate and the first upper pressing plate, ensuring the stability and position accuracy of the ceiling substrate during the cutting process. At the same time, the design of the slot and the plug block facilitates the feeding assembly to clamp and extract the substrate from between the second upper pressing plate and the second lower pressing plate and transport it to between the upper mold and the lower mold for molding operation, thereby improving production efficiency.

[0022] Optionally, a collecting box is provided below the lower mold, and the upper end of the collecting box is open and is arranged corresponding to the through groove.

[0023] By adopting the above technical solution, the collection box can automatically collect the waste generated during the punching process, avoiding the tedious operation of manually collecting the waste, improving production efficiency and reducing labor costs. At the same time, the design of the collection box makes the workshop environment tidier and reduces the safety hazards caused by the scattering of waste.

[0024] Optionally, a moving block is provided at the end of the die-stamping tool away from the unwinding roller, and a tool motor is fixedly provided at the end of the moving block away from the die-stamping tool. The output shaft of the tool motor passes through the moving block and is fixedly connected to the die-stamping tool. The moving block is threadedly connected with a lead screw, which is rotatably connected to the tool holder, and a rotating motor for driving the lead screw to rotate is fixedly provided on the tool holder.

[0025] By adopting the above technical solution, the die cutter can realize automatic movement and precise cutting, which improves the accuracy and efficiency of cutting the ceiling substrate. The cutter motor drives the die cutter to rotate, ensuring a smooth cutting process and reducing errors caused by manual operation.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. The device realizes continuous conveying and precise cutting of the ceiling substrate through the coordinated action of the unwinding roller, die-stamping tool, upper die, lower die, first fixed frame and feeding assembly; the design of the upper die and lower die enables the skylight tool to complete the precise cutting of the skylight position under the drive of the die-stamping oil cylinder, and at the same time, the burr tool can synchronously cut off the redundant part of the ceiling edge, avoiding the tedious and inefficient multiple manual operations in the traditional method, and improving production efficiency; in addition, the track design in the first fixed frame ensures the stable operation of the feeding assembly, further improving the cutting accuracy and reliability; 2. The burr cutter and the skylight cutter are linked to ensure that the burr is automatically cut while cutting the skylight, which improves the cutting efficiency, reduces manual intervention, reduces production costs, and ensures the consistency and stability of the cutting quality; 3. Synchronous unwinding of substrate and fabric can be achieved, ensuring the accurate position of both during the cutting process, improving cutting accuracy and efficiency; at the same time, the design of the positioning plate can ensure that one side of the substrate roll and the fabric roll are flush, so that the substrate and fabric remain stable during the unwinding process, avoiding quality problems caused by misalignment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The invention is a schematic diagram of the overall structure of a cutting device for a substrate of a car roof.

[0028] Figure 2 It is a structural schematic diagram of a die cutter and its driving structure, an upper die, a lower die and a feeding assembly.

[0029] Figure 3 yes Figure 2 Enlarged schematic diagram of part A.

[0030] Figure 4 It is a cross-sectional schematic diagram of the upper mold and the lower mold.

[0031] Description of reference numerals: 1, unwinding roller; 11, substrate roller; 12, fabric roller; 13, positioning plate; 2, die cutting tool; 21, cutting tool holder; 22, moving block; 23, cutting tool motor; 24, screw rod; 25, rotating motor; 26, second fixing frame; 261, second upper pressing plate; 2611, slot; 262, second lower pressing plate; 263, guide rod; 2631, limiting ring; 264, spring; 27, second pressing plate Tightening cylinder; 3. Upper mold; 31. Skylight tool; 32. Lower pressure cylinder; 33. Burr tool; 331. Connecting rod; 34. Slide; 4. Lower mold; 41. Through slot; 5. First fixed frame; 51. Die-pressing cylinder; 52. Track; 6. Feeding assembly; 61. First upper pressure plate; 611. Insert block; 62. First lower pressure plate; 63. First clamping cylinder; 64. Bracket; 7. Guide roller; 8. Tensioning roller; 9. Collection box. DETAILED DESCRIPTION

[0032] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0033] The embodiment of the present application discloses a vehicle roof substrate cutting device.

[0034] Reference Figure 1 A cutting device for a car roof substrate comprises a reel 1, a guide roller 7, a tensioning roller 8, a die cutter 2, an upper mold 3, a lower mold 4, a first fixed frame 5 and a feeding assembly 6. The reel 1, the tensioning roller 8, the die cutter 2 and the upper mold 3 are arranged in sequence along the feeding direction.

[0035] Reference Figure 1 The unwinding roller 1 includes a substrate roller 11 and a fabric roller 12. The fabric roller 12 is located below the substrate roller 11, which can realize the synchronous unwinding, molding and cutting of the substrate and the fabric, ensure the accurate position of both during the molding and cutting process, and improve the cutting accuracy and efficiency. The substrate roller 11 is provided with a positioning plate 13 that slides along its own axis, and the end of the positioning plate 13 away from the substrate roller 11 is slidably connected to the fabric roller 12. According to the production requirements of the ceiling, the positioning plate 13 is slid to a position that meets the requirements, and then the substrate roll and the fabric roll are slid to a position that abuts the positioning plate 13, so that the substrate and the fabric remain stable during the unwinding process, avoiding quality problems caused by misalignment. The substrate roller 11 and the fabric roller 12 can be made of stainless steel, which has good wear resistance and corrosion resistance, and prolongs the service life. The positioning plate 13 can be made of aluminum alloy material, which is light and wear-resistant, and suitable for long-term use.

[0036] Reference Figure 1, the guide roller 7 and the tension roller 8 are arranged in the vertical direction, and the tension roller 8 is located above the guide roller 7 and slides in the vertical direction. The specific structure is that the two ends of the guide roller 7 are connected to a fixed plate, and the two ends of the tension roller 8 are connected to a lifting block. A hydraulic cylinder is provided on the fixed plate, and the hydraulic cylinder drives the lifting block to slide up and down in the fixed plate. The guide roller 7 and the tension roller 8 can effectively adjust the tension of the ceiling substrate to ensure the flatness of the substrate during transportation. At the same time, the tension roller 8 can slide in the vertical direction, and the tensioning force can be adjusted according to the different thicknesses of the substrate to improve the adaptability and stability of the equipment.

[0037] Reference Figure 2 and Figure 3 A second fixed frame 26 is provided on the side of the upper mold 3 close to the tensioning roller 8, and a second lower pressure plate 262 is fixedly connected inside the second fixed frame 26. A second upper pressure plate 261 is provided above the second lower pressure plate 262 and is slidably connected to the second fixed frame 26 in a vertical direction. A tool holder 21 is provided above the second upper pressure plate 261 and is slidably connected to the second fixed frame 26 in a vertical direction. The die tool 2 is slidably connected to the tool holder 21 in a direction perpendicular to the feeding direction.

[0038] Reference Figure 1 and Figure 3 A guide rod 263 is provided on each side of the upper end surface of the second upper pressure plate 261. A spring 264 is sleeved on the outer side of the guide rod 263. The spring 264 is located between the second upper pressure plate 261 and the tool holder 21. The spring 264 can be made of manganese steel material, which has good elasticity and long service life. The upper end of the guide rod 263 passes through the tool holder 21 and the second mounting frame and is located above the second mounting frame. A second clamping cylinder 27 is fixedly provided on the upper end surface of the second mounting frame. The telescopic end of the second clamping cylinder 27 vertically passes through the second mounting frame downward and is fixedly connected to the upper end surface of the tool holder 21. The design of the guide rod 263 and the spring 264 realizes the linkage between the tool holder 21 and the second upper pressure plate 261, reducing the equipment cost. The telescopic end of the clamping cylinder extends downward, driving the tool holder 21 and the second upper pressing plate 261 to move downward. First, the second upper pressing plate 261 and the second lower pressing plate 262 press the substrate and fabric to be cut. The telescopic end of the clamping cylinder continues to extend downward, driving the tool holder 21 to continue to move downward until the die cutter 2 moves to the height required for cutting. A spring 264 is arranged between the second upper pressing plate 261 and the tool holder 21, so that when the tool holder 21 descends alone, it does not affect the second upper pressing plate 261, and at the same time, the second upper pressing plate 261 and the second lower pressing plate 262 can be more tightly closed. A limiting ring 2631 is fixed on the outer side of the guide rod 263, and the limiting ring 2631 is located above the tool holder 21. When the second clamping cylinder 27 drives the tool holder 21 to rise upward, the upper end surface of the tool holder 21 abuts against the lower end surface of the limiting ring 2631, thereby driving the second upper pressing plate 261 to rise.

[0039] Reference Figure 1 and Figure 3A moving block 22 is provided at one end of the die cutter 2 away from the unwinding roller 1, and a tool motor 23 is fixedly provided at one end of the moving block 22 away from the die cutter 2. The output shaft of the tool motor 23 passes through the moving block 22 and is fixedly connected to the die cutter 2. The moving block 22 is threadedly connected with a lead screw 24, which is rotatably connected to the tool holder 21, and a rotating motor 25 is fixedly provided on the tool holder 21 to drive the lead screw to rotate. Such a design can realize the precise positioning and rapid replacement of the die cutter 2, thereby improving production efficiency. The tool motor 23 and the rotating motor 25 can adopt DC brushless motors, which have fast response speed and high control accuracy, and are suitable for precision machining. The moving motor drives the lead screw to rotate, and the rotation of the lead screw drives the die cutter 2 to slide perpendicular to the feeding direction. At the same time, the tool motor 23 drives the die cutter 2 to rotate, thereby cutting off the substrate and the fabric.

[0040] Reference Figure 1 The upper mold 3 and the lower mold 4 are both located in the first fixing frame 5. The upper mold 3 and the lower mold 4 are manufactured and installed according to the shape of the roof to be produced, and the outer side walls of the upper mold 3 and the lower mold 4 are also the same shape as the roof.

[0041] Reference Figure 1 and Figure 2 The upper end of the first fixed frame 5 is fixedly connected to a die pressing cylinder 51, and the telescopic end of the die pressing cylinder 51 vertically passes through the first fixed frame 5 and is fixedly connected to the upper end face of the upper mold 3. The upper mold 3 includes a skylight cutter 31, and the upper end face of the upper mold 3 is fixedly connected to a lower pressing cylinder 32, and the telescopic end of the lower pressing cylinder 32 passes through the upper mold 3 and is fixedly connected to the skylight cutter 31. The outer side of the upper mold 3 is circumferentially sleeved with a burr cutter 33 that slides in the vertical direction, so as to achieve the effect of completing the ceiling cutting in one go, improving production efficiency, reducing material waste, and ensuring product quality. The upper end of the burr cutter 33 is fixedly connected to a plurality of connecting rods 331 along the circumferential direction, and the side of the upper mold 3 is provided with a slide groove 34 for the burr cutter 33 to slide, and the connecting rod 331 passes through the slide groove 34 and is fixedly connected to the skylight cutter 31, and the lower end face of the burr cutter 33 is not lower than the lower end face of the skylight cutter 31, so that the die pressing operation is completed first and then the skylight opening and burr cutting operations are performed in sequence. The burr cutter 33 is linked with the skylight cutter 31 to ensure that the burrs are automatically cut while cutting the skylight, thereby improving cutting efficiency, reducing manual intervention, reducing production costs, and ensuring the consistency and stability of cutting quality.

[0042] Reference Figure 1 and Figure 2, two rails 52 are arranged in the first fixed frame 5, the upper mold 3 is located between the two rails 52, the arrangement direction of the two rails 52 is perpendicular to the arrangement direction of the unwinding roller 1 and the upper mold 3, and the feeding assembly 6 is slidably connected with the rails 52 in a direction perpendicular to the substrate conveying direction. The feeding assembly 6 includes a first upper pressing plate 61, a first lower pressing plate 62, two first clamping cylinders 63 and two brackets 64, the two ends of the first lower pressing plate 62 are respectively located in the two rails 52 and are slidably connected with the rails 52, the two brackets 64 are respectively fixedly connected to the two sides of the upper end surface of the first lower pressing plate 62 close to the rails 52, the cylinder body of the first clamping cylinder 63 is fixedly connected to the upper end surface of the bracket 64, the telescopic end of the first clamping cylinder 63 vertically passes through the bracket 64 downward and is fixedly connected to the upper end surface of the first upper pressing plate 61, and the first upper pressing plate 61 is located between the two brackets 64. The distance between the two brackets 64 is greater than the width of the upper mold 3 in a direction perpendicular to the sliding direction of the first lower pressing plate 62, which avoids the collision between the feeding assembly 6 and the upper mold 3 during the movement, thereby improving production safety. Such a design can ensure that the substrate is firmly clamped before entering the upper mold 3, avoid deviation during the conveying and cutting process, and improve the cutting accuracy. The first clamping cylinder 63 drives the first upper pressing plate 61 to move downward, so that the first upper pressing plate 61 and the first lower pressing plate 62 clamp the substrate and the fabric together, and then the first lower pressing plate 62 slides in the track 52 to realize the conveying of the substrate and the fabric.

[0043] Reference Figure 2 , the upper end surface of the second lower pressing plate 262 is flush with the upper end surface of the first upper pressing plate 61, and the second lower pressing plate 262 and the second upper pressing plate 261 are both provided with a plurality of slots 2611 evenly arranged along the horizontal sliding direction of the die cutter 2 at one end close to the upper mold 3, and the first lower pressing plate 62 and the first upper pressing plate 61 are both provided with a plurality of insert blocks 611 for inserting into the slots 2611 at one end close to the unwinding roller 1. Such a design enables the second lower pressing plate 262 and the second upper pressing plate 261 to be precisely docked with the first lower pressing plate 62 and the first upper pressing plate 61, thereby ensuring the stability and position accuracy of the ceiling substrate during the cutting process. At the same time, the design of the slots 2611 and the insert blocks 611 facilitates the feeding assembly 6 to clamp and extract the substrate from between the second upper pressing plate 261 and the second lower pressing plate 262 and transport it to between the upper mold 3 and the lower mold 4 for die pressing operation, thereby improving production efficiency.

[0044] Reference Figure 4 The lower mold 4 is provided with a through slot 41 corresponding to the skylight cutter 31, and a collecting box 9 is provided below the lower mold 4. The upper end of the collecting box 9 is opened and is arranged corresponding to the through slot 41. Such a design can conveniently collect the waste generated during the cutting process, avoid polluting the workshop environment, and also facilitate the recycling of the waste. The collecting box 9 can be made of plastic material, which is corrosion-resistant, easy to clean, and suitable for long-term use.

[0045] The working process of this embodiment is as follows: S1, placing the ceiling substrate and fabric to be cut on the unwinding roller 1, and the substrate roller 11 and the fabric roller 12 are unwound synchronously.

[0046] S2, the substrate and the fabric pass through the guide roller 7 and the tension roller 8, and the height of the tension roller 8 is adjusted.

[0047] S3, the second pressing cylinder 27 pushes the second upper pressing plate 261 to move downward, and firmly clamps the substrate and the fabric between the second upper pressing plate 261 and the second lower pressing plate 262.

[0048] S4, use the feeding assembly 6 to clamp the substrate and fabric between the second upper pressing plate 261 and the second lower pressing plate 262, the second clamping cylinder 27 drives the second upper pressing plate 261 to rise, and then the feeding assembly 6 drives the substrate and fabric to between the upper mold 3 and the lower mold 4.

[0049] S5, the second clamping cylinder 27 pushes the second upper pressing plate 261 to move downward, firmly clamping the substrate and the fabric between the second upper pressing plate 261 and the second lower pressing plate 262, and the second clamping cylinder 27 continues to push the tool holder 21 to move downward, and the die cutter 2 cuts the substrate and the fabric.

[0050] S6, the upper mold 3 of the molding oil cylinder 51 moves toward the lower mold 4 to mold the substrate and the fabric.

[0051] S7, the downward pressing cylinder 32 pushes the skylight cutter 31 to move downward, and the skylight cutter 31 cooperates with the through groove 41 on the lower mold 4 to complete the cutting of the skylight part.

[0052] S8, the pressing cylinder 32 continues to push the skylight cutter 31 downward, and the burr cutter 33 slides in the vertical direction as the skylight cutter 31 presses downward to complete the cutting of the ceiling edge.

[0053] S9, after the cutting is completed, the tool holder 21 and the skylight tool 31 are reset, and the first clamping cylinder 63 pushes the first upper pressing plate 61 to move upward to take out the processed roof.

[0054] S10, the second clamping cylinder 27 drives the tool holder 21 to rise until the tool holder 21 abuts against the limiting ring 2631, at which time the die cutter 2 can avoid the feeding assembly 6 in the sliding direction thereof.

[0055] S11, repeating the steps of S4-S10 to process and cut the base material and the fabric.

[0056] The implementation principle of the automobile ceiling substrate cutting device of the embodiment of the present application is as follows: the automobile ceiling substrate cutting device of the present invention can realize one-time multi-process processing of the ceiling substrate, significantly improving production efficiency. Specifically, the device realizes continuous transportation and precise cutting of the ceiling substrate through the coordinated action of the unwinding roller 1, the die cutter 2, the upper mold 3, the lower mold 4, the first fixed frame 5 and the feeding assembly 6. The design of the upper mold 3 and the lower mold 4 enables the sunroof cutter 31 to complete the precise cutting of the sunroof position under the drive of the die cylinder 51. At the same time, the burr cutter 33 can synchronously cut off the excess part of the ceiling edge, avoiding the tediousness and inefficiency of multiple manual operations in the traditional method, and improving production efficiency. In addition, the design of the track 52 in the first fixed frame 5 ensures the stable operation of the feeding assembly 6, further improving the cutting accuracy and reliability.

[0057] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cutting device for a car roof substrate, comprising an unwinding roller (1), a die cutting tool (2), an upper die (3), a lower die (4), a first fixed frame (5) and a feeding assembly (6), wherein the first fixed frame (5) is located on one side of the unwinding roller (1) along the substrate conveying direction, the upper die (3) and the lower die (4) are both located in the first fixed frame (5), the upper end of the first fixed frame (5) is fixedly connected to a die pressing cylinder (51), the telescopic end of the die pressing cylinder (51) vertically passes through the first fixed frame (5) downward and is fixedly connected to the upper end surface of the upper die (3), and the characteristics are: Two rails (52) are arranged in the first fixed frame (5), the upper mold (3) is located between the two rails (52), the arrangement direction of the two rails (52) is perpendicular to the arrangement direction of the unwinding roller (1) and the upper mold (3), the feeding assembly (6) is slidably connected to the rails (52) in a direction perpendicular to the substrate conveying direction, a second fixed frame (26) is arranged on the side of the upper mold (3) close to the unwinding roller (1), a tool holder (21) is slidably connected in the second fixed frame (26) in a vertical direction, and the die pressing assembly (6) is connected to the rails (52) in a direction perpendicular to the substrate conveying direction. The tool (2) is slidably connected to the tool holder (21) along a direction perpendicular to the sliding direction of the feeding assembly (6); the upper mold (3) comprises a skylight tool (31); a lower pressure cylinder (32) is fixedly connected to the upper end surface of the upper mold (3); a telescopic end of the lower pressure cylinder (32) passes through the upper mold (3) and is fixedly connected to the skylight tool (31); a through groove (41) corresponding to the skylight tool (31) is formed on the lower mold (4); and a burr tool (33) that slides along a vertical direction is sleeved on the outer circumference of the upper mold (3).

2. The automobile ceiling substrate cutting device according to claim 1, characterized in that: The upper end of the burr cutter (33) is fixedly connected to a plurality of connecting rods (331) along the circumferential direction, a slide groove (34) for the burr cutter (33) to slide is provided on the side of the upper mold (3), the connecting rod (331) passes through the slide groove (34) and is fixedly connected to the skylight cutter (31), and the lower end surface of the burr cutter (33) is not lower than the lower end surface of the skylight cutter (31).

3. The automobile ceiling substrate cutting device according to claim 1, characterized in that: The unwinding roller (1) comprises a substrate roller (11) and a fabric roller (12), wherein the fabric roller (12) is located below the substrate roller (11), and the substrate roller (11) is sleeved with a positioning plate (13) that slides along its own axis, and an end of the positioning plate (13) that is away from the substrate roller (11) is slidably connected to the fabric roller (12).

4. The automobile ceiling substrate cutting device according to claim 1, characterized in that: A guide roller (7) and a tension roller (8) arranged in a vertical direction are provided on one side of the second fixed frame (26) close to the unwinding roller (1); the tension roller (8) is located above the guide roller (7) and slides in a vertical direction.

5. The automobile ceiling substrate cutting device according to claim 1, characterized in that: The feeding assembly (6) comprises a first upper pressing plate (61), a first lower pressing plate (62), two first clamping cylinders (63) and two brackets (64); the two ends of the first lower pressing plate (62) are respectively located in the two tracks (52) and are slidably connected to the tracks (52); the two brackets (64) are respectively fixedly connected to the two sides of the upper end surface of the first lower pressing plate (62) close to the tracks (52); the cylinder body of the first clamping cylinder (63) is fixedly connected to the upper end surface of the bracket (64); the telescopic end of the first clamping cylinder (63) vertically passes through the bracket (64) and is fixedly connected to the upper end surface of the first upper pressing plate (61); the first upper pressing plate (61) is located between the two brackets (64); and the distance between the two brackets (64) is greater than the width of the upper mold (3) along a direction perpendicular to the sliding direction of the first lower pressing plate (62).

6. The automobile ceiling substrate cutting device according to claim 5, characterized in that: A second lower pressing plate (262) is fixedly connected inside the second fixing frame (26), and a second upper pressing plate (261) is provided above the second lower pressing plate (262) and is slidably connected to the second fixing frame (26) in a vertical direction. The upper end surface of the second lower pressing plate (262) is flush with the upper end surface of the first upper pressing plate (61).

7. The automobile ceiling substrate cutting device according to claim 6, characterized in that: A guide rod (263) is provided on each side of the upper end surface of the second upper pressure plate (261). A spring (264) is sleeved on the outer side of the guide rod (263). The spring (264) is located between the second upper pressure plate (261) and the tool holder (21). The upper end of the guide rod (263) passes through the tool holder (21) and the second mounting frame and is located above the second mounting frame. A second clamping cylinder (27) is fixedly provided on the upper end surface of the second mounting frame. The telescopic end of the second clamping cylinder (27) vertically passes through the second mounting frame downward and is fixedly connected to the upper end surface of the tool holder (21). A limiting ring (2631) is fixedly provided on the outer side of the guide rod (263). The limiting ring (2631) is located above the tool holder (21).

8. The automobile ceiling substrate cutting device according to claim 6, characterized in that: The second lower pressing plate (262) and the second upper pressing plate (261) are both provided with a plurality of slots (2611) evenly arranged along the horizontal sliding direction of the die pressing tool (2) at one end close to the upper mold (3), and the first lower pressing plate (62) and the first upper pressing plate (61) are both provided with a plurality of insert blocks (611) for inserting into the slots (2611) at one end close to the unwinding roller (1).

9. The automobile ceiling substrate cutting device according to claim 1, characterized in that: A collecting box (9) is provided below the lower mold (4); the upper end of the collecting box (9) is open and is arranged corresponding to the through groove (41).

10. The automobile ceiling substrate cutting device according to claim 1, characterized in that: A moving block (22) is provided at one end of the die pressing tool (2) away from the unwinding roller (1); a tool motor (23) is fixedly provided at one end of the moving block (22) away from the die pressing tool (2); an output shaft of the tool motor (23) passes through the moving block (22) and is fixedly connected to the die pressing tool (2); a lead screw (24) is threadedly connected to the moving block (22); the lead screw is rotatably connected to the tool holder (21); and a rotating motor (25) is fixedly provided on the tool holder (21) for driving the lead screw to rotate.

Images