A continuous cutting device for sealing strips

Abstract

This utility model discloses a continuous cutting device for sealing strips, relating to the field of sealing strip processing technology. It includes a worktable with a feeding conveyor belt and an output belt mounted on opposite sides of its top. Multiple pressure rollers are spaced above the feeding conveyor belt. A cutting box is located between the feeding and output belts. Coaxial guide holes are installed through both sides of the cutting box. A meshing large and small transmission gear are rotatably mounted inside the cutting box. A turntable is coaxially fixed to the side of the large transmission gear, and an arc-shaped tool holder is fixed to the side of the turntable. A cutting blade is fixed to the outer side of the arc-shaped tool holder. A drive motor is mounted on the side of the cutting box, and its output shaft is coaxially fixed to the small transmission gear. This device achieves continuous conveying and regular cutting of sealing strips, ensuring consistent dimensions and cutting accuracy in batch processing. It solves the problems of low efficiency and poor accuracy in traditional cutting methods, is adaptable to sealing strips of different specifications, and meets the needs of efficient and precise batch processing.

Description

Technical Field

[0001] This utility model relates to the field of sealing strip processing technology, and in particular to a continuous sealing strip cutting device. Background Technology

[0002] In the automotive, door and window manufacturing industries, sealing strips are key components ensuring sealing, sound insulation, and dustproof performance. During processing, they need to be cut to specific lengths according to assembly requirements. Currently, traditional sealing strip cutting mostly uses manual cutting or intermittent mechanical cutting methods: manual cutting is inefficient, has poor cutting accuracy, makes it difficult to ensure the consistency of sealing strip length in mass production, and has high labor costs; intermittent mechanical cutting requires frequent start-stop of the equipment to complete a single segment cut, resulting in low processing efficiency and failing to meet the needs of large-scale production.

[0003] Therefore, those skilled in the art have provided a continuous cutting device for sealing strips to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a continuous cutting device for sealing strips.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A continuous sealing strip cutting device includes a workbench, on both sides of the top of the workbench a feeding conveyor belt for conveying the sealing strip to be cut and an output belt for outputting the cut sealing strip. Multiple pressure rollers are installed at intervals above the feeding conveyor belt, and a cutting box is provided between the feeding conveyor belt and the output belt.

[0007] Guide through holes are installed on both sides of the cutting box, and the two guide through holes are coaxially arranged. A material through hole for the sealing strip to pass through is opened in the middle of the guide through hole. A large transmission gear and a small transmission gear are rotatably installed on the inside of the cutting box, and the large transmission gear and the small transmission gear mesh.

[0008] A turntable is coaxially fixed to the side of the large transmission gear, an arc-shaped tool holder is fixed to the side of the turntable, and a cutting blade is fixed to the outer side of the arc-shaped tool holder; a drive motor is installed on the side of the cutting box, and one end of the output shaft of the drive motor is coaxially fixed to the small transmission gear.

[0009] Preferably, the gap between the two guide holes is greater than the thickness of the cutting blade, and the cutting blade can pass between the two guide holes while following the turntable in a circular motion.

[0010] Preferably, the bottom inner side of the cutting box contains coolant, and a drain pipe is installed at the bottom side of the cutting box, with a valve installed on the drain pipe.

[0011] Preferably, the workbench has a fixing hole for the cutting box to pass through, and the cutting box is fixedly fitted with a mounting frame on the outside, and the mounting frame is fixed to the workbench by screws.

[0012] Preferably, the feeding conveyor belt and the discharging output belt are both installed on corresponding U-shaped frames, and the U-shaped frames are fixed to the top surface of the workbench;

[0013] Lifting cylinders are symmetrically installed on both sides of the U-shaped frame on the feeding conveyor belt. A carrier plate is fixed to the top output end of the lifting cylinder. Multiple L-shaped brackets are fixed to one side of the carrier plate. The two ends of the pressure roller are rotatably installed on the L-shaped brackets at corresponding positions on both sides through shafts.

[0014] Preferably, guide rods are movably inserted through both ends of the carrier plate, and the bottom ends of the guide rods are fixed to the outer wall of the U-shaped frame by connecting blocks.

[0015] Preferably, a guiding mechanism is also installed between the feeding conveyor belt and the cutting box; the guiding mechanism includes two symmetrically arranged support frames, each support frame having a U-shaped opening at its top side, and a guide wheel rotatably installed inside the U-shaped opening; positioning seats are fixedly connected to both sides of the top of the workbench, and a double-ended screw is rotatably installed between the two positioning seats, with both support frames threaded onto the outer ends of the double-ended screw.

[0016] Preferably, one end of the double-headed screw extends to the outside of one of the positioning seats and is fixedly connected to a rotating handle, and an arc-shaped guide rail is installed at the bottom between the two positioning seats, and the bottom end of the support frame is slidably connected to the arc-shaped guide rail.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] This device achieves continuous conveying of sealing strips through the cooperation of the feeding conveyor belt and the output conveyor belt. With the help of pressure rollers for limiting and increasing force, it effectively avoids conveying deviation and slippage, and improves conveying stability. The gear transmission in the cutting box drives the cutting blade to move in a uniform circular motion. Combined with the precise guidance of the guide hole component, it realizes regular and continuous cutting of sealing strips, ensuring the dimensional consistency and cutting accuracy of batch processing. It solves the problems of low efficiency and poor accuracy of traditional manual cutting and the frequent start and stop and low efficiency of intermittent mechanical cutting. The guide mechanism and lifting cylinder are designed to adapt to sealing strips of different specifications, and the whole device meets the needs of efficient, accurate and batch processing of sealing strips. Attached Figure Description

[0019] To illustrate the technical solutions in the embodiments of the present invention or the prior art more specifically and intuitively, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0020] Figure 1This is a schematic diagram of the continuous cutting device for sealing strips proposed in this utility model;

[0021] Figure 2 This is a schematic diagram of the cutting blade mounting structure proposed in this utility model;

[0022] Figure 3 This is a schematic diagram of the installation structure of the guide through hole component proposed in this utility model;

[0023] Figure 4 This is a schematic diagram of the pressure roller mounting structure proposed in this utility model;

[0024] Figure 5 This is a schematic diagram of the guiding mechanism structure proposed in this utility model.

[0025] In the diagram: 1. Workbench; 2. Feed conveyor belt; 3. Discharge output belt; 4. Pressure roller; 5. Cutting box; 6. Guide through hole; 7. Transmission gear; 8. Turntable; 9. Arc-shaped blade holder; 10. Cutting blade; 11. Transmission pinion; 12. Drive motor; 13. Coolant; 14. Drain pipe; 15. Mounting frame; 16. U-shaped frame; 17. Lifting cylinder; 18. Carrier plate; 19. L-shaped bracket; 20. Guide rod; 21. Support frame; 22. U-shaped opening; 23. Guide wheel; 24. Positioning seat; 25. Double-ended screw; 26. Arc-shaped guide rail; 27. Rotary handle. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Reference Figure 1-5 A continuous sealing strip cutting device includes a workbench 1. A feeding conveyor belt 2 for conveying the sealing strip to be cut and an output belt 3 for outputting the cut sealing strip are respectively installed on both sides of the top of the workbench 1. Multiple pressure rollers 4 are installed at intervals above the feeding conveyor belt 2. A cutting box 5 is provided between the feeding conveyor belt 2 and the output belt 3.

[0028] Guide through holes 6 are installed through both sides of the cutting box 5, and the two guide through holes 6 are coaxially arranged. A material through hole for the sealing strip to pass through is opened in the middle of the guide through hole 6. A large transmission gear 7 and a small transmission gear 11 are rotatably installed on the inside of the cutting box 5, and the large transmission gear 7 and the small transmission gear 11 mesh.

[0029] A turntable 8 is coaxially fixed to the side of the transmission gear 7, an arc-shaped knife holder 9 is fixed to the side of the turntable 8, and a cutting knife 10 is fixed to the outer side of the arc-shaped knife holder 9; a drive motor 12 is installed on the side of the cutting box 5, and one end of the output shaft of the drive motor 12 is coaxially fixed to the transmission pinion 11.

[0030] Using the above technical solutions, this device provides stable support based on the workbench 1. The feeding conveyor belt 2 on both sides of its top works in conjunction with the output belt 3 to realize the continuous conveying of the sealing strip from the time it is to be cut to the time it is cut, which significantly improves the efficiency of batch processing. The pressure roller 4 above the feeding conveyor belt 2 has both limiting and force-increasing functions: it not only prevents the sealing strip from shifting laterally during conveying, but also enhances the fit between the sealing strip and the feeding conveyor belt 2, ensuring stable transmission of conveying force and preventing slippage. The cutting box 5 provides protection for the cutting operation. The guide through holes 6 on both sides guide the sealing strip to accurately enter the cutting area through the material through the material through the hole. The small transmission gear 11 and the large transmission gear 7 inside the cutting box 5 mesh and drive the cutting blade 10 on the turntable 8 and the arc-shaped blade holder 9 to move in a uniform and slow circular motion, realizing the regular cutting of the sealing strip and ensuring the dimensional consistency and cutting accuracy of batch processing.

[0031] The gap between the two guide holes 6 is greater than the thickness of the cutting blade 10, so that the cutting blade 10 can pass between the two guide holes 6 while following the turntable 8 in a circular motion.

[0032] Using the above technical solution, the gap between the two guide holes 6 is greater than the thickness of the cutting blade 10. This can prevent the cutting blade 10 from colliding and wearing with the guide holes 6 when it moves in the circumference of the turntable 8, and also allow the cutting blade 10 to cut smoothly near the sealing strip, reducing the deformation of the sealing strip during cutting, ensuring a flat cut, and ensuring that the cutting operation is continuous and uninterrupted.

[0033] The bottom of the inner side of the cutting box 5 contains coolant 13, and a drain pipe 14 is installed on the bottom side of the cutting box 5, with a valve installed on the drain pipe 14.

[0034] Using the above technical solutions, the coolant 13 in the cutting box 5 can cool the cutting blade 10 in real time, reduce blade wear, extend service life, and avoid high temperature affecting the sealing strip material; the drain pipe 14 is matched with the valve to facilitate the replacement of coolant 13 and discharge of sewage from the box.

[0035] The workbench 1 has a fixing hole for the cutting box 5 to pass through. The cutting box 5 is fixedly fitted with a mounting frame 15 on the outside, and the mounting frame 15 is fixed to the workbench 1 by screws.

[0036] Using the above technical solution, the fixing holes on the workbench 1 can quickly install and position the cutting box 5; the mounting frame 15 on the outside of the cutting box 5 is fixed to the workbench 1 with screws, which not only achieves the stable assembly of the cutting box 5, but also allows the cutting box 5 to be easily removed by removing the screws, greatly improving the convenience of installation and subsequent maintenance and disassembly of the cutting box 5.

[0037] The feeding conveyor belt 2 and the discharging output belt 3 are both installed on the corresponding U-shaped frame 16, and the U-shaped frame 16 is fixed to the top surface of the workbench 1;

[0038] Lifting cylinders 17 are symmetrically installed on both sides of the U-shaped frame 16 on the feeding conveyor belt 2. A carrier plate 18 is fixedly connected to the top output end of the lifting cylinder 17. Multiple L-shaped brackets 19 are fixedly connected to one side of the carrier plate 18. The two ends of the pressure roller 4 are rotatably installed on the L-shaped brackets 19 at the corresponding positions on both sides through shafts.

[0039] Using the above technical solution, the lifting cylinders 17 symmetrically installed on both sides of the U-shaped frame 16 corresponding to the feeding conveyor belt 2 can adjust the extension length of the output end to drive the carrier plate 18 fixed at the top and the L-shaped bracket 19 on one side to rise and fall synchronously, thereby adjusting the height of the pressure roller 4 rotatably installed on the L-shaped bracket 19, so that the pressure roller 4 can be adapted to sealing strips of different thicknesses. This ensures the limiting effect of the pressure roller 4 on the sealing strip, and avoids the problem of obstruction of the conveying of excessively thick sealing strips or failure of limiting of excessively thin sealing strips due to the fixed height of the pressure roller 4, thereby improving the adaptability of the device to sealing strips of different specifications.

[0040] Guide rods 20 are movably inserted through both ends of the carrier plate 18, and the bottom end of the guide rods 20 is fixed to the outer wall of the U-shaped frame 16 by a connecting block.

[0041] By adopting the above technical solution, the guide rods 20 at both ends of the carrier plate 18 can limit the lifting trajectory of the carrier plate 18, prevent it from tilting, and ensure that the pressure roller 4 is adjusted smoothly and the pressure is uniform.

[0042] A guiding mechanism is also installed between the feeding conveyor belt 2 and the cutting box 5; the guiding mechanism includes two symmetrically arranged support frames 21, with a U-shaped opening 22 at the top of the side of the support frame 21, and a guide wheel 23 rotatably installed inside the U-shaped opening 22; positioning seats 24 are fixedly connected to both sides of the top of the workbench 1, and a double-headed screw 25 is rotatably installed between the two positioning seats 24, and the two support frames 21 are threaded onto the two ends of the double-headed screw 25.

[0043] Using the above technical solution, the guiding mechanism installed between the feeding conveyor belt 2 and the cutting box 5 can pre-guide the sealing strip conveyed by the feeding conveyor belt 2, ensuring that the sealing strip accurately enters the guide through hole 6 of the cutting box 5; the guide wheels 23 rotatably installed on the inner side of the U-shaped opening 22 at the top of the two symmetrically arranged support frames 21 in the guiding mechanism can roll contact with the surface of the sealing strip, which not only plays a guiding role, but also reduces the frictional resistance during the conveying of the sealing strip and avoids wear on the surface of the sealing strip; the double-headed screw 25 rotatably installed between the positioning seats 24 at the top of the worktable 1 connects the two support frames 21 through a threaded sleeve. When the double-headed screw 25 is rotated, it can drive the two support frames 21 to move closer or further away synchronously along the screw axis, thereby adjusting the distance between the two guide wheels 23 to adapt to sealing strips of different widths, ensuring the clamping and guiding effect of the guide wheels 23 on the sealing strip, and improving the compatibility of the device with sealing strips of different specifications.

[0044] One end of the double-ended screw 25 extends to the outside of one of the positioning seats 24 and is fixedly connected to a rotating handle 27. An arc-shaped guide rail 26 is installed at the bottom between the two positioning seats 24, and the bottom end of the support frame 21 is slidably connected to the arc-shaped guide rail 26.

[0045] The above technical solution is adopted. The rotating handle 27 facilitates the rotation of the double-headed screw 25. The arc-shaped guide rail 26 between the positioning seats 24 slides with the support frame 21, which can guide the support frame 21 to move smoothly and avoid deviation and jamming during adjustment. The arc-shaped design can reduce friction.

[0046] Working principle:

[0047] The sealing strip to be cut is conveyed by the feeding conveyor belt 2, and the pressure roller 4 limits its position and enhances its fit with the conveyor belt. After being pre-guided by the guide roller 23 of the guiding mechanism, the sealing strip enters the box through the material through holes of the guide through holes 6 on both sides of the cutting box 5. The drive motor 12 drives the transmission pinion 11 to rotate, and the meshing transmission gear 7 drives the turntable 8 and the cutting blade 10 to make uniform circular motion. The cutting blade 10 passes through the gap of the guide through holes 6 to complete the cutting. The coolant 13 cools the cutting blade. After cutting, the sealing strip is sent out by the discharge output belt 3 to realize continuous processing.

[0048] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A continuous sealing strip cutting device comprising a worktable (1), characterized in that, The top two sides of the workbench (1) are respectively equipped with a feeding conveyor belt (2) for conveying the sealing strip to be cut and an output belt (3) for outputting the cut sealing strip. Multiple pressure rollers (4) are installed at intervals above the feeding conveyor belt (2). A cutting box (5) is provided between the feeding conveyor belt (2) and the output belt (3). The cutting box (5) is equipped with guide through holes (6) on both sides, and the two guide through holes (6) are coaxially arranged. The guide through holes (6) have a material through hole in the middle for the sealing strip to pass through. The cutting box (5) is equipped with a large transmission gear (7) and a small transmission gear (11) on the inner side, and the large transmission gear (7) and the small transmission gear (11) mesh. A turntable (8) is coaxially fixed to the side of the transmission gear (7), an arc-shaped knife holder (9) is fixed to the side of the turntable (8), and a cutting knife (10) is fixed to the outer side of the arc-shaped knife holder (9); a drive motor (12) is installed on the side of the cutting box (5), and one end of the output shaft of the drive motor (12) is coaxially fixed to the transmission pinion (11).

2. The continuous cutting device for sealing strips according to claim 1, characterized in that, The gap between the two guide holes (6) is greater than the thickness of the cutting blade (10), and the cutting blade (10) can pass between the two guide holes (6) while following the turntable (8) in a circular motion.

3. The continuous cutting device for sealing strips according to claim 1, characterized in that, The cutting box (5) contains coolant (13) at the bottom inside. A drain pipe (14) is installed at the bottom side of the cutting box (5), and a valve is installed on the drain pipe (14).

4. The continuous cutting device for sealing strips according to claim 1, characterized in that, The workbench (1) has a fixing hole for the cutting box (5) to pass through. The cutting box (5) is fixedly fitted with a mounting frame (15) on the outside, and the mounting frame (15) is fixed to the workbench (1) by screws.

5. A continuous cutting device for sealing strips according to claim 1, characterized in that, The feeding conveyor belt (2) and the discharging output belt (3) are both installed on the corresponding U-shaped frame (16), and the U-shaped frame (16) is fixed to the top surface of the workbench (1); Lifting cylinders (17) are symmetrically installed on both sides of the U-shaped frame (16) on the feeding conveyor belt (2). A carrier plate (18) is fixedly connected to the top output end of the lifting cylinder (17). Multiple L-shaped brackets (19) are fixedly connected to one side of the carrier plate (18). The two ends of the pressure roller (4) are rotatably installed on the L-shaped brackets (19) at corresponding positions on both sides through shafts.

6. A continuous cutting device for sealing strips according to claim 5, characterized in that, Guide rods (20) are movably inserted through both ends of the carrier plate (18), and the bottom end of the guide rods (20) is fixed to the outer wall of the U-shaped frame (16) by a connecting block.

7. A continuous cutting device for sealing strips according to claim 1, characterized in that, A guide mechanism is also installed between the feeding conveyor belt (2) and the cutting box (5); the guide mechanism includes two symmetrically arranged support frames (21), and a U-shaped opening (22) is opened at the top side of the support frame (21), and a guide wheel (23) is rotatably installed inside the U-shaped opening (22); both sides of the top of the workbench (1) are fixedly connected to positioning seats (24), and a double-headed screw (25) is rotatably installed between the two positioning seats (24), and both support frames (21) are threaded onto the outer ends of the double-headed screw (25).

8. A continuous cutting device for sealing strips according to claim 7, characterized in that, One end of the double-headed screw (25) extends to the outside of one of the positioning seats (24) and is fixedly connected to a rotating handle (27). An arc-shaped guide rail (26) is installed at the bottom between the two positioning seats (24), and the bottom end of the support frame (21) is slidably connected to the arc-shaped guide rail (26).

Images