Cutting mechanism of cloth cutting bed

Abstract

The cutting mechanism of the cloth cutting bed comprises a portal frame, a third sliding block is arranged on the portal frame in a sliding mode, the interior of the third sliding block is rotationally connected with a vertically-arranged rotating cylinder, the lower end of the rotating cylinder is fixedly connected with a supporting column, the lower end of the supporting column is fixedly connected with a second sliding block, and the second sliding block is fixedly connected with the portal frame. A groove is formed in the supporting column, a cutter is arranged in the groove in a sliding mode, two cams are arranged in the rotating cylinder, the horizontal planes of the cams are arranged in a mirror image mode, the upper end of the cutter is fixedly connected with the cam located on the lower portion, a spring is arranged in the rotating cylinder, and the upper end of the spring abuts against the lower end face of the cam located on the lower portion. The upper end of the cam located on the upper portion is fixedly connected with a rotating shaft, the rotating shaft upwards extends out of the rotating cylinder, and one side of the third sliding block is fixedly connected with a third motor. The multi-layer fabric cutting device can automatically cut multi-layer fabrics.

Description

Technical Field

[0001] This invention relates to the field of cutting bed technology, and more particularly to a cutting mechanism for a fabric cutting bed. Background Technology

[0002] In garment production, cutting is required, which involves laying multiple layers of fabric flat on a cutting bed and cutting them. This is typically done manually, involving pulling and unwinding the fabric, followed by cutting with vertical cutting tools. Automated cutting beds also exist, but these typically only lay out one layer of fabric, resulting in lower cutting efficiency. Furthermore, the design of these cutting beds and the structure of their cutting tools are not suitable for cutting multiple layers of fabric. Summary of the Invention

[0003] To address the aforementioned problems, this invention discloses a cutting mechanism for a fabric cutting bed, comprising a gantry frame, on which a third slider is slidably mounted. A vertically mounted rotating cylinder is rotatably connected inside the third slider. A support column is fixedly connected to the lower end of the rotating cylinder, and a second slider is fixedly connected to the lower end of the support column. A slot is provided on the support column, and a cutting tool is slidably mounted inside the slot. The sliding of the third slider drives the cutting tool to move.

[0004] The rotating cylinder contains two horizontally mirrored cams. The upper end of the cutter is fixedly connected to the lower cam. A spring is installed inside the rotating cylinder, with its upper end abutting against the lower end face of the lower cam. A rotating shaft is fixedly connected to the upper end of the upper cam, extending upwards out of the rotating cylinder. Driving the rotating shaft to rotate causes the lower cam to move downwards. Simultaneously, when the spring is activated, the lower cam reciprocates up and down, causing the connected cutter to move up and down as well. This movement of the cutter cuts the fabric.

[0005] A third motor is fixedly connected to one side of the third slider. Both the output end of the third motor and the rotating cylinder are fixedly connected to pulleys, and a synchronous belt is fitted onto the pulleys. Due to the width of the cutter and the thickness of the fabric laid on the cutting bed, the cutter needs to rotate during the cutting process. This rotation is achieved by starting the third motor and through the transmission of the synchronous belt and pulleys.

[0006] Preferably, a fourth motor is fixedly connected to the upper end of the third slider, a second bevel gear is fixedly connected to the output end of the fourth motor, and a first bevel gear is fixedly connected to the rotating shaft, with the first and second bevel gears meshing with each other. The fourth motor is started, thereby driving the rotating shaft to rotate.

[0007] Preferably, the upper end of the third slider is fixedly connected to a housing. This provides sealing and protection for the components at the upper end of the third slider.

[0008] Preferably, the cam includes a turntable, and the end edge of the turntable is provided with a plurality of rounded protrusions at equal angles. When the two cams rotate relative to each other, the protrusions on the two turntables collide with each other, thereby pressing down the lower cam.

[0009] Preferably, each of the gantry frames has a first slider fixedly connected to its lower end, and the first slider slides in a pre-set track on the side wall of the cutting bed. A first motor is fixedly connected to the side wall of the first slider, and a roller is fixedly connected to the output end of the first motor, with the roller engaging the inner wall of the track. The movement of the first and third sliders allows the cutter to reach any position on the cutting bed. Simultaneously, the use of the third motor can change the blade direction, facilitating the cutting of multi-layered fabrics.

[0010] Preferably, the gantry frame is internally equipped with a lead screw, which is threadedly connected to the third slider. A second motor is fixedly connected to the end of the gantry frame, and the output end of the second motor is fixedly connected to the lead screw. When the second motor is started, the lead screw rotates, thereby moving the third slider.

[0011] The beneficial effects of this invention are as follows:

[0012] 1. The blade is set up in the same way as the existing vertical cutting tool, which can meet the cutting needs of multi-layer fabrics. At the same time, the first motor, the second motor and the third motor are linked to realize automated cutting. In particular, the setting of the third motor can deflect the blade, which is conducive to curved cutting.

[0013] 2. A fourth motor drives the rotating shaft to rotate. At the same time, two cams and springs are set below the rotating shaft to realize the up-and-down reciprocating motion of the cutter and cut the fabric. This structure does not affect the rotation of the rotating drum. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the structure on the slider of the present invention;

[0016] Figure 3 This is a perspective view of the rotating cylinder of the present invention;

[0017] Figure 4 This is a three-dimensional schematic diagram of the cam of the present invention;

[0018] Figure 5 This is a schematic diagram illustrating the application of the present invention.

[0019] List of reference numerals in the attached diagram:

[0020] 1. First slider; 2. Gantry frame; 3. Second slider; 4. Housing; 5. First motor; 6. Lead screw; 7. Second motor; 8. Support column; 9. Cutting tool; 10. Third slider; 11. Third motor; 12. Rotating shaft; 13. First bevel gear; 14. Second bevel gear; 15. Fourth motor; 16. Spring; 17. Rotating cylinder; 18. Cam; 19. Pulley; 20. Turntable; 21. Protrusion. Detailed Implementation

[0021] The present invention will be further illustrated below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, and the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] like Figures 1 to 5 As shown, a cutting mechanism for a fabric cutting bed includes a gantry frame 2. A third slider 10 is slidably mounted on the gantry frame 2. A vertically mounted rotating cylinder 17 is rotatably connected inside the third slider 10. A support column 8 is fixedly connected to the lower end of the rotating cylinder 17. The support column 8 has a rectangular cross-section and a groove in the middle of one side. The groove has beveled edges on both sides. A second slider 3 is fixedly connected to the lower end of the support column 8. The edges of the second slider 3 are chamfered to facilitate sliding of the second slider 3 on the bottom of the fabric. A slot is provided on the support column 8, and a cutter 9 is slidably mounted inside the slot. The cutter 9 is used to cut the fabric on the cutting bed.

[0023] The rotating cylinder 17 has two horizontally mirrored cams 18 inside. The upper end of the cutter 9 is fixedly connected to the lower cam 18. A spring 16 is installed inside the rotating cylinder 17, with its upper end abutting against the lower end face of the lower cam 18, keeping the lower cam 18 in an upper position. A rotating shaft 12 is fixedly connected to the upper end of the upper cam 18, extending upwards out of the rotating cylinder 17. Driving the rotating shaft 12 to rotate the upper cam 18 indirectly presses against the lower cam 18 during rotation. Simultaneously, supported by the spring 16, the lower cam 18 reciprocates up and down, thereby driving the cutter 9 to move up and down, thus achieving cutting.

[0024] A third motor 11 is fixedly connected to one side of the third slider 10. Both the output end of the third motor 11 and the rotating cylinder 17 are fixedly connected to pulleys 19, with a synchronous belt fitted onto the pulleys 19. Due to the size of the cutter 9 and the support column 8, and because the angle of the cutter 9 needs to be adjusted during fabric cutting, the third motor 11 is started. Through the pulleys 19 and the synchronous belt, the rotating cylinder 17 rotates, thereby adjusting the angle of the cutter 9.

[0025] The upper end of the third slider 10 is fixedly connected to the fourth motor 15, the output end of the fourth motor 15 is fixedly connected to the second bevel gear 14, the rotating shaft 12 is fixedly connected to the first bevel gear 13, and the first bevel gear 13 and the second bevel gear 14 mesh with each other. When the fourth motor 15 is started, the rotating shaft 12 is driven to rotate through the second bevel gear 14 and the first bevel gear 13.

[0026] The upper end of the third slider 10 is fixedly connected to the outer casing 4. The outer casing 4 is used to protect the structure on the third slider 10.

[0027] The cam 18 includes a turntable 20. The end edge of the turntable 20 is provided with several rounded protrusions 21 at equal angles. When the two cams 18 rotate relative to each other, the protrusions 21 are interlocked, causing the lower cam 18 to move downward.

[0028] The lower end of the gantry 2 is fixedly connected to a first slider 1, and the first slider 1 slides in a track preset on the side wall of the cutting bed. The side wall of the first slider 1 is fixedly connected to a first motor 5, and the output end of the first motor 5 is fixedly connected to a roller, which is engaged in the inner wall of the track. When the first motor 5 is started, the first slider 1 is driven to move, that is, the gantry 2 is driven to move.

[0029] The gantry frame 2 is equipped with a lead screw 6 inside, which is threadedly connected to the third slider 10. The end of the gantry frame 2 is fixedly connected to a second motor 7, and the output end of the second motor 7 is fixedly connected to the lead screw 6. When the second motor 7 is started, the lead screw 6 rotates, thereby driving the third slider 10 to move. At the same time, the direction of movement of the third slider 10 is perpendicular to the direction of movement of the gantry frame 2.

[0030] Working principle: First, multiple layers of fabric are laid on the cutting bed. Then, the fourth motor 15 is started to drive the cutter 9 to move up and down. At the same time, the first motor 5, the second motor 7 and the third motor 11 are linked to control the cutter 9 to move around on the cutting bed and cut the fabric.

[0031] The technical means disclosed in this invention are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features.

Claims

1. A cutting mechanism of a cloth cutting bed, characterized by, Including gantry (2), the third slider (10) is arranged on the gantry (2) and slides, the rotating cylinder (17) is rotatably connected inside the third slider (10) and is vertically arranged, the lower end of the rotating cylinder (17) is fixedly connected with the support column (8), the lower end of the support column (8) is fixedly connected with the second slider (3), the support column (8) is provided with a slot, and the cutter (9) is slidably arranged inside the slot; Two horizontally mirror image cam (18) are arranged inside the rotating cylinder (17), the upper end of the cutter (9) is fixedly connected with the cam (18) below, the spring (16) is arranged inside the rotating cylinder (17), the upper end of the spring (16) abuts against the lower end surface of the cam (18) below, the upper end of the cam (18) above is fixedly connected with the rotating shaft (12), and the rotating shaft (12) extends out of the rotating cylinder (17) upwardly; The third motor (11) is fixedly connected to one side of the third slider (10), the output end of the third motor (11) and the rotating cylinder (17) are fixedly connected with the belt pulley (19), and the synchronous belt is sleeved on the belt pulley (19).

2. A cutting mechanism for a fabric cutting bed according to claim 1, characterized in that: The fourth motor (15) is fixedly connected to the upper end of the third slider (10), the output end of the fourth motor (15) is fixedly connected with the second bevel gear (14), the first bevel gear (13) is fixedly connected to the rotating shaft (12), and the first bevel gear (13) and the second bevel gear (14) are meshed with each other.

3. A cutting mechanism for a fabric cutting bed according to claim 2, wherein: The upper end of the third slider (10) is fixedly connected with the shell (4).

4. The cutting mechanism of a fabric cutting bed according to claim 1, wherein: The cam (18) comprises a rotating disc (20), and a plurality of arc transition protrusions (21) are arranged at equal angles at the edge of the rotating disc (20).

5. The cutting mechanism of a fabric cutting bed according to claim 1, wherein: The lower end of the gantry (2) is fixedly connected with the first slider (1), and the first slider (1) is slidably connected in the track prearranged in the side wall of the cutting bed, the side wall of the first slider (1) is fixedly connected with the first motor (5), the output end of the first motor (5) is fixedly connected with the roller, and the roller is matched with the inner wall of the track.

6. The cutting mechanism of a fabric cutting bed according to claim 1, wherein: The inside of the gantry (2) is provided with a lead screw (6), the lead screw (6) is threadedly connected with the third slider (10), the end of the gantry (2) is fixedly connected with the second motor (7), and the output end of the second motor (7) is fixedly connected with the lead screw (6).

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