Cloth cutting machine with blade replacement function

Abstract

The invention discloses a cloth cutting machine with a blade replacement function, and relates to the technical field of cloth processing, the cloth cutting machine comprises a cutting bed, the top of the cutting bed is provided with at least two first linear modules, the two first linear modules are symmetrically arranged on the cutting bed, the two first linear modules are provided with air cylinders, and the air cylinders are symmetrically arranged on the cutting bed; the tops of movable shafts of the two air cylinders are jointly and fixedly connected with a second linear module, and a blade replacing assembly is arranged on the second linear module. Through the arrangement of the rotating disc and the blade frame, the motor drives the driving disc to rotate after being electrified, so that the blade clamps without the cutting blades are rotated to the position under the protective cover, the cutting blades for different pieces of cloth in one-time production operation can be installed at the same time, the corresponding cutting blades do not need to be manually replaced after the cloth is switched every time, and the production efficiency is improved. The number of times that an operator contacts with the blade is reduced, production efficiency is improved, and meanwhile the risk that the operator is prone to being injured due to frequent contact with the cutting blade is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of cloth processing, and in particular to a cloth cutting machine with a blade replacement function. Background Art

[0002] The fabric cutting machine can accurately cut fabrics according to preset shapes. The cut fabrics have precise shapes and high consistency, and can also improve the efficiency of fabric cutting.

[0003] In the prior art, a linear module is usually used to drive the blade to move and cut the cloth fixed on the machine tool. However, in cloth production, since the final products mostly require a combination of cloths of different materials and thicknesses, the cloth on the machine tool needs to be frequently replaced during the cutting work. In addition, different cloths require corresponding different blades for the desired cutting effect. The blades need to be replaced manually during this process, which not only affects the efficiency of the cutting work, but also increases the risk of injury to the operator due to frequent contact with the blades. The blades need to be pressed by an electric structure and moved back and forth for cutting. If the downward pressure of the blade is too small, the cloth may not be cut. If the downward pressure of the blade is too large, the friction between the blade and the machine tool table will increase, resulting in increased wear of the blade. Long-term use will cause unnecessary economic losses, and will also increase the frequency of blade replacement by the operator, further increasing the risk of injury to the operator.

[0004] In order to solve the above problems, the inventor proposed a cloth cutting machine with a blade replacement function. Summary of the invention

[0005] In order to solve the above technical problems, a cloth cutting machine with a blade replacement function is provided. This technical solution solves the problem raised in the above background technology that both excessive and weak ambient light will affect the inspection of the synoptophore.

[0006] To achieve the above objectives, the present invention can be implemented by the following technical solutions: The present invention provides a cloth cutting machine with a blade replacement function, including: a cutting bed, a linear module 1 is arranged on the top of the cutting bed, and the linear modules 1 are not less than two, and two linear modules 1 are symmetrically arranged on the cutting bed, and cylinders are arranged on the two linear modules 1, and the tops of the movable shafts of the two cylinders are fixedly connected with a linear module 2, and a blade replacement assembly is arranged on the linear module 2; the blade replacement assembly includes a sliding seat slidably connected to the linear module 2, a motor is fixedly installed in the sliding seat, and a fixed box is fixedly connected to one side of the sliding seat, and the fixed box has a fixed plate inside. A driving disk is rotatably connected, the output shaft of the motor is coaxially fixedly connected to the driving disk, a lever is fixedly connected to the driving disk on a side away from the motor, a groove wheel is rotatably connected in the fixed box, a driving shaft is coaxially fixedly connected to the side of the groove wheel away from the motor, a turntable is fixedly connected to the driving shaft, a blade holder is fixedly connected to the outer arc surface of the turntable, a cutting blade is provided on the side of the blade holder away from the turntable, a positioning disk is coaxially fixedly connected to the side of the groove wheel away from the driving shaft, a positioning hole is provided on the positioning disk, a circular groove is provided on the inner side wall of the fixed box, a positioning pin is slidably provided in the circular groove, a spring is provided in the circular groove, and a protective cover is provided on the outer cover of the turntable.

[0007] Preferably, there are no less than four blade holders, and the four blade holders are equidistantly arranged in a ring on the turntable.

[0008] Preferably, there are no less than four positioning holes, and the four positioning holes are equidistantly arranged on the positioning plate.

[0009] Preferably, one end of the positioning pin close to the positioning hole is hemispherical, the positioning hole is spherical, and the positioning pin and the positioning hole form a limiting fit.

[0010] Preferably, a sharpening assembly is provided on the side of the turntable close to the groove wheel, and the sharpening assembly includes an arc plate fixedly connected to the turntable, a fixed frame is fixedly connected in the fixed box, a limiting plate is fixedly connected to the side of the fixed frame close to the turntable, a spring 2 is sleeved on the limiting plate, a movable plate is slidably connected to the limiting plate, a cross plate is fixedly connected to the top of the movable plate, there are no less than two cross plates, two cross plates are symmetrically arranged on the movable plate, no less than two gears are symmetrically rotatably connected to the cross plate, a grinding wheel is coaxially fixedly connected to the gear, a protective box is fixedly connected to the top of the protective cover, a rack is fixedly connected in the protective box, and the gear is meshingly connected to the rack.

[0011] Preferably, there are no less than four arc-shaped plates, the arc-shaped plates are arranged in an annular manner and equidistantly on the turntable, and a slope is provided on one side of the arc-shaped plate close to the fixing frame.

[0012] Preferably, the bottom of the movable plate contacts the turntable, and the fixed frame forms an extrusion fit with the movable plate through an inclined surface.

[0013] Preferably, a pressure alarm component is provided in the blade holder, and the pressure alarm component includes a sliding cavity opened in the blade holder, a sliding plate is slidably connected in the sliding cavity, a push-type switch is provided at the top of the sliding cavity, a spring three is provided in the sliding cavity, a sliding rod is slidably connected in the sliding cavity, the top of the sliding rod is fixedly connected to the sliding plate, an annular groove is provided in the sliding cavity, a bolt is threadedly connected to the side of the blade holder, an extrusion plate is slidably provided in the annular groove, one end of the bolt is rotatably connected to the extrusion plate, a rubber strip is provided on the inner arc surface of the extrusion plate, a blade clamp is fixedly connected to the bottom of the sliding rod, and the cutting blade is detachably mounted on the blade clamp.

[0014] Preferably, the annular groove is annular, and the extrusion sheet is semi-annular.

[0015] Preferably, a battery compartment and a buzzer are provided on the inner arc surface of the turntable, and at least four battery compartments and no less than four buzzers are provided respectively, and the four battery compartments cooperate with the buzzer through a push switch.

[0016] In summary, the characteristics and advantages of a cloth cutting machine with a blade replacement function in the present invention are as follows: by setting a turntable and a blade holder, the cutting blade is placed in a blade clamp located at the bottom of the protective cover, and the cutting blade is fixed in the blade clamp with bolts, and the installation is completed. The motor is powered on to rotate, and the motor drives the active disk to rotate after the motor is powered on, so that the blade clamp without the cutting blade installed is rotated to the bottom of the protective cover, and the cutting blades for different cloths in a production operation can be installed at the same time, and there is no need to manually replace the corresponding cutting blade after each cloth switching, which reduces the number of times the operator touches the blade, improves production efficiency, and also reduces the risk of injury caused by frequent contact with the cutting blade; Through the cooperation of the groove wheel and the positioning pin, when the groove wheel rotates a quarter, the positioning plate rotates a quarter synchronously, and the positioning pin is stuck in the positioning hole under the action of the extension of the spring, thereby clamping the positioning plate and the groove wheel. At this time, the groove wheel drives the driving shaft and the turntable to rotate a quarter, and the cutting blade to be used is switched to the bottom of the protective cover, and the positioning plate fixes the driving shaft through the cooperation of the positioning hole and the positioning pin to complete the rapid switching of the cutting blade, without the operator having to manually switch, thereby improving the production efficiency and the safety of the cutting work; Through the cooperation of the arc plate and the moving plate, the turntable rotates to switch the cutting blade, and the turntable drives the gear to move back and forth through the cooperation of the arc plate and the moving plate, and drives the grinding wheel to grind the cutting blade that is switched to the highest point in the protective cover in cooperation with the rack. While switching the cutting blade, the cutting blade in an unused state is grinded to ensure the sharpness of the cutting blade, thereby improving the cutting effect of the cutting blade on the cloth, further reducing the frequency of replacing the cutting blade, and reducing the risk of injury during the process of replacing the cutting blade; Through the cooperation of the extrusion plate and the sliding rod, when the cylinder is over-pressed so that the pressure on the cutting blade is greater than the pressure required for cutting the corresponding cloth, the cutting blade will contact the table of the cutting bed; when the thrust exerted on the sliding rod exceeds the friction between the rubber strip and the side of the sliding rod, the sliding rod moves upward under the action of the thrust, causing the sliding plate to squeeze the push-type switch; after the push-type switch is squeezed, the battery compartment energizes the buzzer, and the buzzer sounds an alarm to remind the operator that the pressure on the cutting blade exceeds the pressure required for cutting, thereby avoiding the situation where the cutting blade is subjected to excessive pressure and additional friction, thereby reducing the wear of the cutting blade on the cutting operation, reducing the frequency of replacing the cutting blade, and also avoiding the situation where the cutting blade is deformed due to excessive pressure, reducing unnecessary economic losses, and improving the economic benefits of the cloth cutting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the overall structure shown in the present invention; Figure 2 It is a three-dimensional schematic diagram of the fixed box structure shown in the present invention; Figure 3 It is a cutaway perspective schematic diagram of the internal structure of the fixing box and the protective cover shown in the present invention; Figure 4 It is a three-dimensional schematic diagram of the active disk structure shown in the present invention; Figure 5 It is a cross-sectional perspective schematic diagram of the groove wheel and positioning plate structure shown in the present invention; Figure 6 It is a three-dimensional schematic diagram of the curved plate structure shown in the present invention; Figure 7 It is a three-dimensional schematic diagram of the movable plate structure shown in the present invention; Figure 8 The present invention shows Figure 3 Enlarged view of point A in the middle; Fig. 9 The present invention shows Figure 7 Enlarged view of point B in the middle; Fig.10 It is a schematic diagram of the position relationship between the horizontal plate and the cutting blade shown in the present invention; Fig.11It is a sectional perspective schematic diagram of the internal structure of the blade holder shown in the present invention.

[0018] The reference numerals in the drawings of the present invention are: 1, cutting bed; 2, linear module 1; 3, cylinder; 4, linear module 2; Blade replacement assembly: 501, sliding seat; 502, motor; 503, fixed box; 504, active disk; 505, lever; 506, groove wheel; 507, active shaft; 508, turntable; 509, blade holder; 510, cutting blade; 511, positioning disk; 512, positioning hole; 513, circular groove; 514, positioning pin; 515, spring 1; 516, protective cover; Sharpening assembly: 601, arc plate; 602, fixed frame; 603, limit plate; 604, spring 2; 605, moving plate; 606, horizontal plate; 607, gear; 608, grinding wheel; 609, protective box; 610, rack; Pressure alarm components: 701, sliding cavity; 702, sliding sheet; 703, push switch; 704, spring three; 705, sliding rod; 706, annular groove; 707, bolt; 708, extrusion sheet; 709, rubber strip; 710, blade clamp; 711, battery compartment; 712, buzzer. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] See 1~ Fig.11 As shown, an embodiment of the present invention is provided, and a cloth cutting machine with a blade replacement function is provided, which will be described in detail below: A cloth cutting machine with a blade replacement function, such as Figure 1 to Figure 5 As shown, it includes: a cutting bed 1, a linear module 1 2 is arranged on the top of the cutting bed 1, and there are no less than two linear modules 1 2, and two linear modules 1 2 are symmetrically arranged on the cutting bed 1, and cylinders 3 are arranged on the two linear modules 1 2, and the cylinders 3 slide on the sliding surface of the linear module 1 2, and the tops of the movable axes of the two cylinders 3 are fixedly connected with a linear module 2 4, and a blade replacement component is arranged on the linear module 2 4; The blade replacement assembly includes a sliding seat 501 slidably connected to the linear module 2 4, a motor 502 is fixedly installed in the sliding seat 501, a fixed box 503 is fixedly connected to one side of the sliding seat 501, and the output shaft of the motor 502 extends into the fixed box 503, an active disk 504 is rotatably connected in the fixed box 503, the output shaft of the motor 502 is coaxially fixedly connected to the active disk 504, a lever 505 is fixedly connected to the side of the active disk 504 away from the motor 502, and the lever 505 is located at the eccentric position of the active disk 504, and a The groove wheel 506 is located below the driving disk 504. The outer ring surface of the driving disk 504 is matched with the outer ring surface of the groove wheel 506. Four slide grooves are provided on the groove wheel 506. When the driving disk 504 rotates, the lever 505 and the groove wheel 506 form a toggle fit through the slide grooves, and the length of the lever 505 is the same as the length of the slide groove. The side of the groove wheel 506 away from the motor 502 is coaxially fixedly connected with the driving shaft 507. The driving shaft 507 is fixedly connected with a rotating disk 508. The outer arc surface of the rotating disk 508 is fixedly connected with a blade holder 509. The blade holder 509 is on the side away from the rotating disk 508. A cutting blade 510 is provided, a positioning plate 511 is coaxially fixedly connected to the side of the groove wheel 506 away from the driving shaft 507, a positioning hole 512 is provided on the positioning plate 511, and the positioning hole 512 is located on the side away from the rotating disk 508, a circular groove 513 is provided on the inner wall of the fixed box 503, a positioning pin 514 is slidably provided in the circular groove 513, a spring 515 is provided in the circular groove 513, and the two ends of the spring 515 are respectively fixedly connected to the circular groove 513 and the positioning pin 514, and a protective cover 516 is provided on the outer cover of the rotating disk 508, and the protective cover 516 is used to shield the rotating disk There are at least four cutting blades 510 on the side of 508 to prevent the operator from being accidentally scratched. There are no less than four blade racks 509, which are equidistantly arranged in a ring on the turntable 508, and the cutting blades 510 on the four blade racks 509 are of different specifications for adapting to fabrics of different materials and cutting specifications. There are no less than four positioning holes 512, which are equidistantly arranged on the positioning disk 511. The end of the positioning pin 514 close to the positioning hole 512 is hemispherical, and the positioning hole 512 is spherical, and the positioning pin 514 forms a limiting fit with the positioning hole 512.

[0021] Further, such as Figure 2 , Figure 3 , Figure 6 to Figure 10As shown, a sharpening assembly is provided on one side of the turntable 508 close to the groove wheel 506, and the sharpening assembly includes an arc plate 601 fixedly connected to the turntable 508, a fixed frame 602 is fixedly connected in the fixed box 503, a side of the fixed frame 602 close to the turntable 508 is fixedly connected to a limiting plate 603, a spring 2 604 is sleeved on the limiting plate 603, a movable plate 605 is slidably connected to the limiting plate 603, two ends of the spring 2 604 are respectively fixedly connected to the limiting plate 603 and the movable plate 605, a cross plate 606 is fixedly connected to the top of the movable plate 605, and there are no less than two cross plates 606, two cross plates 606 are symmetrically arranged on the movable plate 605, and no less than two gears 607 are symmetrically rotatably connected to the cross plate 606, the two gears 607 are coaxially fixedly connected with the grinding wheel 608, and the two cross plates 606 are tiltedly arranged on the movable plate 605. The movable plate 605 is on the movable plate 605, and the inclination angle is the same as the angle of the cutting edge of the cutting blade 510, so that the grinding wheel 608 can fit the cutting edge of the cutting blade 510, and the gear 607, the grinding wheel 608 and the cross plate 606 are in an inclined arrangement, the top of the protective cover 516 is fixedly connected with a protective box 609, and the protective box 609 is interconnected with the protective cover 516 and the fixed box 503, and the protective box 609 is fixedly connected with a rack 610, the rack 610 and the cross plate 606 are in the same inclined arrangement, the gear 607 is meshed with the rack 610, there are no less than four arc plates 601, the arc plates 601 are arranged on the turntable 508 in an annular manner and at equal intervals, the arc plate 601 is provided with an inclined surface on the side close to the fixed frame 602, the bottom of the movable plate 605 is in conflict with the arc plate 601, and the fixed frame 602 forms an extrusion fit with the movable plate 605 through the inclined surface.

[0022] Further, such as Figure 7 , Fig.11As shown, a pressure alarm component is provided in the blade holder 509, and the pressure alarm component includes a sliding cavity 701 opened in the blade holder 509, a sliding sheet 702 is slidably connected in the sliding cavity 701, a push switch 703 is provided at the top of the sliding cavity 701, a spring 3 704 is provided in the sliding cavity 701, and the spring 3 704 is located between the sliding sheet 702 and the push switch 703, a sliding rod 705 is slidably connected in the sliding cavity 701, and the top of the sliding rod 705 is fixedly connected to the sliding sheet 702, an annular groove 706 is provided in the sliding cavity 701, a bolt 707 is threadedly connected to the side of the blade holder 509, and the bolt 707 corresponds to the position of the corresponding annular groove 706, an extrusion sheet 708 is slidably provided in the annular groove 706, one end of the bolt 707 is rotatably connected to the extrusion sheet 708, and the annular groove 706 is annular. It is adapted to the sliding rod 705, the extrusion sheet 708 is semi-annular, the height of the extrusion sheet 708 is the same as the annular groove 706, a rubber strip 709 is arranged on the inner arc surface of the extrusion sheet 708, the rubber strip 709 is used to increase the friction between the extrusion sheet 708 and the sliding rod 705, a blade clamp 710 is fixedly connected to the bottom of the sliding rod 705, the cutting blade 510 is detachably mounted on the blade clamp 710 by a fixing bolt, a battery compartment 711 and a buzzer 712 are arranged on the inner arc surface of the turntable 508, there are no less than four battery compartments 711 and buzzer 712 respectively, and the four battery compartments 711 and buzzer 712 are arranged corresponding to the blade holder 509 respectively, the four battery compartments 711 are used to power the buzzer 712, and the push switch 703 is used to control the power on and off of the buzzer 712 and the battery compartment 711 through the controller.

[0023] In combination with the above embodiments, the entire working process and working principle of the above embodiments are as follows: The initial state is: one of the positioning holes 512 on the positioning plate 511 is aligned with the circular groove 513, the spring 1 515 is in an extended state, the positioning pin 514 is inserted into the positioning hole 512 under the action of the spring 1 515, the groove wheel 506, the driving shaft 507 and the rotating disk 508 are in a fixed state under the action of the positioning plate 511, one of the blade holders 509 is vertically downward, the limit plate 603 is in an extended state, so that the bottom of the movable plate 605 is in contact with the rotating disk 508, and the bottom end of the movable plate 605 is located between the two arcs. In the gap of plate 601, the horizontal plate 606 does not move, so that the gear 607 is located at the end of the rack 610 away from the movable plate 605, and the gear 607 does not contact the rack 610, and the grinding wheel 608 is located at a position where it does not interfere with the cutting blade 510, the spring three 704 is in an extended state, the bolt 707 is not screwed into the blade holder 509, so that the rubber strip 709 on the extrusion sheet 708 does not contact the sliding rod 705, the cutting blade 510 is not installed in the blade clamp 710, and the battery compartment 711 is equipped with batteries.

[0024] The working state is: installing blades of different specifications: before using the blade to cut the cloth, the cutting blade 510 is placed in the blade clamp 710 at the bottom of the protective cover 516, and the cutting blade 510 is fixed in the blade clamp 710 by the connecting piece, and the installation is completed. Then, according to the production requirements, when the blade of the model is selected, the motor 502 is started to rotate the output shaft, and the motor 502 drives the active disk 504 to rotate after starting, so that the active disk 504 drives the lever 505 to rotate, and the lever 505 slides into the groove wheel during the arc movement. 506, and in the process that the lever 505 gradually slides into the bottom of the slot on the slot wheel 506, the slot wheel 506 is pushed to rotate through the slot on the slot wheel 506. After the next slot moves to the initial position of the previous slot, the lever 505 slides out of the slot. While the slot wheel 506 rotates, it also drives the positioning plate 511 to rotate synchronously, so that the positioning plate 511 squeezes the positioning pin 514 out of the positioning hole 512, thereby squeezing the spring 1 515 while the positioning pin 514 retracts into the circular groove 513. When the slot wheel 506 rotates by four After one, the positioning plate 511 rotates synchronously by one quarter, and the next positioning hole 512 after rotation and replacement is aligned with the positioning pin 514 again, so that the positioning pin 514 is stuck in the positioning hole 512 under the action of the extension of the spring one 515, thereby clamping the positioning plate 511 and the groove wheel 506. At this time, the groove wheel 506 drives the driving shaft 507 and the rotating disk 508 to rotate by one quarter, so that the blade clamp 710 without the cutting blade 510 installed is rotated to the right below the protective cover 516, and the motor 502 is stopped from being energized. The same type of cutting blades 510 are respectively installed on the blade clamps 710 located on the four blade holders 509. Then, the motor 502 is started again to drive the groove wheel 506 to rotate a quarter, and the cutting blade 510 can continue to be installed. Compared with the cloth cutting machine in the prior art, the cutting blades 510 for different cloths in a production operation can be installed at the same time, and there is no need to manually replace the corresponding cutting blade 510 after each cloth switch. While improving production efficiency, it also reduces the risk of injury caused by frequent contact with the cutting blade 510.

[0025] Switch blades during cutting: After the cutting blade 510 is installed, start the cylinder 3 to shrink it, so that the linear module 2 4 and the structure on the linear module 2 4 can be synchronously lowered, so that the cutting blade 510 is lowered onto the cloth. Then, the linear module 1 2 drives the cylinder 3 and the linear module 2 4 to move, so that the cutting blade 510 can be driven to move horizontally to cut the cloth on the cutting bed 1. The position of the cutting blade 510 on the cutting bed 1 can be adjusted by the linear module 2 4. When a cutting work is completed and different cloths are replaced, After that, the motor 502 is started to drive the active disk 504 to rotate, so that the active disk 504 drives the groove wheel 506 to rotate through the lever 505, thereby driving the driving shaft 507 and the turntable 508 to rotate, and the cutting blade 510 to be used is switched to the bottom of the protective cover 516, and the positioning plate 511 fixes the driving shaft 507 through the positioning hole 512 and the positioning pin 514 to complete the rapid switching of the cutting blade 510 without the operator having to manually switch it, thereby improving the production efficiency while also improving the safety of the cutting work.

[0026] Sharpening the blade when replacing the blade: During the process of rotating the turntable 508 to switch the cutting blade 510, the gear 607 does not contact the rack 610 when the turntable 508 starts to rotate. Therefore, when the turntable 508 just starts to rotate, the cutting blade 510 located between the two horizontal plates 606 will not be interfered by the horizontal plate 606 and the gear 607. The rotation of the turntable 508 will drive the arc plate 601 to rotate. The inclined surface of one of the arc plates 601 will push the bottom end of the movable plate 605 to the side close to the fixed frame 602, so that the movable plate 605 slides on the limit plate 603 to the side close to the fixed frame 602 while squeezing the second spring 604. When the arc plate 601 continues to rotate, the movable plate 605 is continuously pushed toward the fixed frame 602 until the widest part of the arc plate 601 rotates past the bottom end of the movable plate 605. At this time, the movable plate 605 is aligned with the gap between the two arc plates 601, so that the second spring 604 is released to push the movable plate 605 Towards the side close to the turntable 508, when the moving plate 605 approaches the turntable 508, the gear 607 on the cross plate 606 synchronously approaches the turntable 508 and rotates under the meshing connection with the rack 610, thereby driving the grinding wheel 608 to rotate. When the turntable 508 rotates to switch the cutting blade 510, the turntable 508 drives the gear 607 to move back and forth through the cooperation of the arc plate 601 and the moving plate 605, and drives the grinding wheel 608 to grind the cutting blade 510 that is switched to the highest point in the protective cover 516 at this time under the cooperation with the rack 610. When the cutting blade 510 is switched, the cutting blade 510 that is replaced and is in a static state is ground to ensure the sharpness of the cutting blade 510, thereby improving the cutting effect of the cutting blade 510 on the cloth, further reducing the frequency of replacing the cutting blade 510, and reducing the risk of injury during the process of replacing the cutting blade 510.

[0027] Prevent the blade from being over-pressed: When different cutting blades 510 are installed, the pressure limit of the blade clamp 710 installed with the cutting blade 510 can be adjusted according to the different pressures required for different cutting blades 510 to cut corresponding fabrics. When the pressure is preset, the bolt 707 is manually rotated to screw it into the blade holder 509, so that the bolt 707 pushes the extrusion sheet 708 close to the sliding rod 705, so that the extrusion sheet 708 presses the rubber strip 709 against the side of the sliding rod 705, thereby increasing the friction between the rubber strip 709 and the sliding rod 705. At this time, according to the different pressures required for the cutting blade 510 to cut the fabric, the degree of compression between the rubber strip 709 and the sliding rod 705 is adjusted accordingly. Subsequently, during the cutting operation, when the cylinder 3 is over-pressed so that the pressure on the cutting blade 510 is greater than the pressure required for cutting the corresponding fabric, the cutting blade 510 will contact the table of the cutting bed 1, and the cutting blade 510 will be squeezed and The blade clamp 710 is pushed upward, so that the blade clamp 710 pushes the sliding rod 705 upward. When the thrust applied to the sliding rod 705 exceeds the friction between the rubber strip 709 and the side of the sliding rod 705, the sliding rod 705 moves upward under the action of the thrust, thereby pushing the sliding sheet 702 to move upward in the sliding cavity 701, thereby causing the sliding sheet 702 to squeeze the push-type switch 703. After the push-type switch 703 is squeezed, the controller controls the battery compartment 711 to energize the buzzer 712, and the buzzer 712 sounds an alarm to remind the operator that the pressure applied to the cutting blade 510 exceeds the pressure required for cutting, thereby avoiding the situation where the cutting blade 510 is subjected to excessive pressure and additional friction, thereby reducing the wear of the cutting blade 510 caused by the cutting operation, reducing the frequency of replacing the cutting blade 510, and also avoiding the situation where the cutting blade 510 is excessively pressed down and deformed, thereby reducing unnecessary economic losses and improving the economic benefits of the cloth cutting machine.

[0028] The above descriptions are merely embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cloth cutting machine with a blade replacement function, characterized in that: include: A cutting bed (1), wherein a linear module (2) is arranged on the top of the cutting bed (1), wherein the number of the linear modules (2) is not less than two, and the two linear modules (2) are symmetrically arranged on the cutting bed (1), and cylinders (3) are arranged on the two linear modules (2), and the tops of the movable shafts of the two cylinders (3) are fixedly connected to a linear module (4), and a blade replacement assembly is arranged on the linear module (4); the blade replacement assembly comprises a sliding seat (501) slidably connected to the linear module (4), a motor (502) is fixedly installed in the sliding seat (501), a fixed box (503) is fixedly connected to one side of the sliding seat (501), and a driving disk (504) is rotatably connected in the fixed box (503), the output shaft of the motor (502) is coaxially fixedly connected to the driving disk (504), and a side of the driving disk (504) away from the motor (502) is fixedly connected to the driving disk (504). A lever (505) is connected to the fixed box (503), a groove wheel (506) is rotatably connected in the fixed box (503), a driving shaft (507) is coaxially fixedly connected to the side of the groove wheel (506) away from the motor (502), a rotating disk (508) is fixedly connected to the driving shaft (507), a blade holder (509) is fixedly connected to the outer arc surface of the rotating disk (508), and a cutting blade (510) is arranged on the side of the blade holder (509) away from the rotating disk (508). ), a positioning plate (511) is coaxially fixedly connected to a side of the groove wheel (506) away from the driving shaft (507), a positioning hole (512) is provided on the positioning plate (511), a circular groove (513) is provided on the inner wall of the fixed box (503), a positioning pin (514) is slidably provided in the circular groove (513), a spring (515) is provided in the circular groove (513), and a protective cover (516) is provided on the outer side cover of the rotating disk (508).

2. A cloth cutting machine with blade replacement function according to claim 1, characterized in that: There are no less than four blade racks (509), and the four blade racks (509) are arranged in an annular manner and at equal intervals on the rotating disk (508).

3. A cloth cutting machine with blade replacement function according to claim 2, characterized in that: There are no less than four positioning holes (512), and the four positioning holes (512) are equidistantly arranged on the positioning plate (511).

4. A cloth cutting machine with blade replacement function according to claim 3, characterized in that: One end of the positioning pin (514) close to the positioning hole (512) is hemispherical, the positioning hole (512) is spherical, and the positioning pin (514) and the positioning hole (512) form a limiting fit.

5. The cloth cutting machine with blade replacement function according to claim 1, characterized in that: A knife sharpening assembly is provided on a side of the rotating disk (508) close to the groove wheel (506), and the knife sharpening assembly comprises an arc-shaped plate (601) fixedly connected to the rotating disk (508); a fixing frame (602) is fixedly connected in the fixing box (503); a limiting plate (603) is fixedly connected to a side of the fixing frame (602) close to the rotating disk (508); a spring 2 (604) is sleeved on the limiting plate (603); a movable plate (605) is slidably connected to the limiting plate (603); the top of the movable plate (605) is fixedly connected to the fixing frame (602); A horizontal plate (606) is fixedly connected to the top of the protective cover (516), and there are no less than two horizontal plates (606). The two horizontal plates (606) are symmetrically arranged on the movable plate (605). No less than two gears (607) are symmetrically rotatably connected to the horizontal plate (606). The two gears (607) are coaxially fixedly connected to a grinding wheel (608). The top of the protective cover (516) is fixedly connected to a protective box (609), and a rack (610) is fixedly connected inside the protective box (609). The gear (607) is meshingly connected to the rack (610).

6. The cloth cutting machine with blade replacement function according to claim 5, characterized in that: There are no less than four arc-shaped plates (601), and the arc-shaped plates (601) are arranged in an annular manner and equidistantly on the rotating disk (508). A slope is provided on one side of the arc-shaped plates (601) close to the fixing frame (602).

7. The cloth cutting machine with blade replacement function according to claim 6, characterized in that: The bottom of the movable plate (605) contacts the rotating disk (508), and the fixed frame (602) forms an extrusion fit with the movable plate (605) via an inclined surface.

8. The cloth cutting machine with blade replacement function according to claim 1, characterized in that: A pressure alarm component is provided in the blade holder (509), and the pressure alarm component includes a sliding cavity (701) opened in the blade holder (509), a sliding sheet (702) is slidably connected in the sliding cavity (701), a push switch (703) is provided at the top of the sliding cavity (701), a spring three (704) is provided in the sliding cavity (701), a sliding rod (705) is slidably connected in the sliding cavity (701), and the top end of the sliding rod (705) is fixedly connected to the sliding sheet (702). The sliding cavity (701) is provided with an annular groove (706), a bolt (707) is threadedly connected to the side of the blade holder (509), an extrusion sheet (708) is slidably arranged in the annular groove (706), one end of the bolt (707) is rotatably connected to the extrusion sheet (708), a rubber strip (709) is arranged on the inner arc surface of the extrusion sheet (708), and a blade clamp (710) is fixedly connected to the bottom of the sliding rod (705), and the cutting blade (510) is detachably mounted on the blade clamp (710).

9. The cloth cutting machine with blade replacement function according to claim 8, characterized in that: The annular groove (706) is annular, and the extrusion sheet (708) is semi-annular.

10. The cloth cutting machine with blade replacement function according to claim 9, characterized in that: A battery compartment (711) and a buzzer (712) are provided on the inner arc surface of the rotating disk (508), and at least four of the battery compartments (711) and the buzzer (712) are provided respectively, and the four battery compartments (711), the push-type switches (703), and the buzzers (712) are electrically connected to each other.

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