CN111113560A

CN111113560A - Irregular-shape cutting device for flexible materials

Info

Publication number: CN111113560A
Application number: CN201911146025.1A
Authority: CN
Inventors: 高金龙; 邓奎
Original assignee: Chengdu Frontpage Technology Co ltd
Current assignee: Chengdu Frontpage Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-05-08

Abstract

The invention discloses a cutting device for irregular shapes of flexible materials. The material conveying module comprises a material pulling mechanism and a first power assembly connected with the material pulling mechanism; the material positioning and guiding module comprises a positioning plate and a vacuum bottom plate, the positioning plate can move left and right, a slidable guide block is arranged on the vacuum bottom plate, and a color code sensor connected with a control system is also arranged above the vacuum bottom plate; the cutting module comprises a die holder and a second power assembly, a detachable cutting die is mounted on the die holder, and the second power assembly is connected with the die holder; the operation of the first power assembly and the second power assembly are controlled by a control system. The material cutting machine can cut materials into special shapes according to needs, can cut materials into different irregular shapes, is convenient to operate, and is beneficial to improving the production efficiency and the product quality.

Description

Irregular-shape cutting device for flexible materials

Technical Field

The invention relates to the technical field of flexible material cutting, in particular to a cutting device for irregular shapes of flexible materials.

Background

In industrial production, it is often required to cut the material according to the production requirements, especially for some flexible materials such as PE, PP, PET, paper, etc., during the processing, according to the shape to be processed.

The patent number is CN 207509298U's utility model patent, a multi-functional flexible material's cutting device is disclosed, its core unit comprises blade and two guide blocks that the both sides face of package clamp blade and an organic whole dress connects, this core unit meets as a whole with driving motor through the base, connect through the bearing dress on this base and have a main shaft and main shaft one end fixed connection locate the center of blade, this driving motor's output shaft passes through belt drive with the main shaft and links to each other, two guide blocks are equipped with the guide and treat to cut the arc domatic that flexible material sent into the blade, and the specific gap between one of guide block and blade is between 0.2mm-0.5 mm.

According to the cutting tool, the cutting tool is driven by the cutting type cutting edge and the blade with relatively low rotating speed, the cutting tool versatility corresponding to the cutting requirements of various flexible materials is realized, the phenomena of tool sticking and abrasion caused by high-temperature melting of products are avoided, and the service life of the blade is prolonged. However, the conventional cutting device is inconvenient to operate, only can cut a regular shape, is difficult to meet diversified requirements, is inflexible in cutting process, and brings inconvenience to smooth production, so that the structure of the cutting device needs to be optimized to overcome the defects.

Disclosure of Invention

The invention provides a cutting device for flexible materials with irregular shapes, which can solve one or more of the problems in the prior art.

According to one aspect of the invention, the irregular-shaped cutting device for the flexible materials comprises a rack, wherein a material conveying module, a material positioning and guiding module, a cutting module and a control system are arranged on the rack; the material conveying module comprises a first power assembly and a material pulling mechanism, and the first power assembly can drive the material pulling mechanism to rotate; the material positioning and guiding module comprises a positioning plate and a vacuum bottom plate; the positioning plate can move left and right, and a guide block is slidably arranged on the vacuum bottom plate; a color code sensor is arranged above the vacuum bottom plate and connected with a control system; the cutting module comprises a cutting die, a die holder and a second power assembly; the cutting die is detachably arranged on the die holder, and the shape and the size of the cutting die can be selected according to actual needs; the die holder is matched with the second power assembly; the second power assembly can drive the cutting die to move up and down; the first power assembly and the second power assembly are controlled by the control system to operate.

When carrying out flexible material and cutting, to the requirement that cuts that this device preset needs, give the instruction through control system, flexible material reachs and cuts the module and cut under the pulling effect of material conveying module. Before the material arrives and cuts the module, can adjust and rectify the position of material through material location and direction module, guarantee the accuracy of material cutting position. The cutting die of the cutting die set can select the cutter with the corresponding shape as required.

The control system controls the operation of the first power assembly, the first power assembly is connected with the material pulling mechanism, and the material pulling mechanism pulls the material to move towards the cutting die module under the power action of the first power assembly. The material positioning and guiding module can adjust the position of the material, and the material is guaranteed not to deviate in the conveying process. The material positioning and guiding module comprises a positioning plate and a vacuum bottom plate which are arranged in front and at back, and the position of the flexible material in the conveying process can be adjusted by adjusting the position of the positioning plate or the position of the guiding block. The flexible material passes through the space limited by the positioning plate under the pulling action of the material conveying module, then passes through the upper part of the vacuum bottom plate, reaches the cutting module, and is cut to obtain the required shape and size. The color coded sensor may detect specific characteristics on the material, such as differences in color, location of the holes or openings, etc., and may feed these characteristics back to the control system. If the completeness of some special characteristics needs to be guaranteed in the material cutting, the control system can issue corresponding operation instructions to the first power assembly and the second power assembly according to the information received by the color mark sensor, and the irregular shape cutting of the material can be realized by matching with a proper cutting die. From this, can realize that the irregular shape of material cuts, satisfy the diversified demand of product to cut the process simple, easily operation is favorable to improving production efficiency, promotes product quality.

In some embodiments, the first power assembly includes a servo motor, a drive wheel, and a driven wheel; the output end of the servo motor is provided with a driving wheel which is in transmission connection with a driven wheel; the driven wheel is connected with the material pulling mechanism. Therefore, the driving wheel and the driven wheel can be connected through a synchronous belt, a chain, a gear or other connections with the same function. The driving wheel is driven by the servo motor to rotate and drives the driven wheel in transmission connection with the driving wheel to rotate. The first power assembly is connected with the material pulling mechanism and provides power for the material pulling mechanism, and the servo motor is started or stopped according to an instruction issued by the control system, so that the material pulling mechanism can be driven to run or stop, and the control of the material conveying process is guaranteed.

In some embodiments, the pulling mechanism comprises a driving shaft and a driven shaft; the driving shaft and the driven shaft are arranged side by side up and down and are in transmission connection, and materials can pass through the driving wheel and the driven wheel; the driving shaft is connected with a driven wheel of the first power assembly. From this, first power component can drive and draw material mechanism to rotate, draws material mechanism to rotate the pulling material through the transmission of driving shaft and driven shaft. The driven shaft can be connected with the pressure regulating block, and the pressure regulating block is regulated, so that the material is compressed between the driven shaft and the driving shaft.

In some embodiments, two or more positioning plates are provided, a first adjusting screw is arranged on each positioning plate, both ends of each first adjusting screw are respectively provided with a left-handed thread and a right-handed thread, both ends of each first adjusting screw are respectively in threaded connection with two adjacent positioning plates, and rotating the first adjusting screw can drive the left and right two positioning plates connected with the first adjusting screw to simultaneously and equidistantly approach or keep away from the center of the first adjusting screw. To facilitate adjustment, the positioning plates are generally arranged in pairs, each pair of positioning plates being provided with a first adjusting screw. Therefore, the flexible material to be cut can pass through the two adjacent positioning plates, and the position of the flexible material can be adjusted through the left and right adjacent positioning plates. More than two positioning plates can provide multiple paths for the flexible material and can simultaneously convey multiple materials. The locating plate plays a limiting role in the material. The relative position of the positioning plate connected with the first adjusting screw can be adjusted by adjusting the first adjusting screw, the first adjusting screw simultaneously has left-handed threads and right-handed threads, the left positioning plate and the right positioning plate simultaneously move towards the center at equal intervals during rotation, the center line of the material is aligned with the center line of the cutting die by the material centering positioning, and the accuracy of the material conveying direction is ensured.

In some embodiments, a support rod is vertically inserted into the positioning plate, a second adjusting screw is connected to the support rod, and the support rod can move along with the second adjusting screw. General bracing piece is equipped with a plurality ofly, a plurality of bracing piece parallel arrangement, and a plurality of parallel arrangement's bracing piece all alternates perpendicularly on a plurality of locating plates, and from this, flexible material presss from both sides between two adjacent locating plates, encircles from a plurality of bracing pieces and passes through to increase the area of contact of material and locating plate, guarantee the limiting displacement of locating plate. The support rod is connected with a second adjusting screw rod. If the position of special characteristics can not keep unanimous on the material, need control the fine setting position, can adjust the position that the bracing piece was adjusted to the second adjusting screw to accomplish material position adjustment fast.

In some embodiments, the support rod may be a fixed shaft support rod that is not rotatable and supports the material to be conveyed; the bracing piece also can be the roller bracing piece, and when the material encircleed the roller motion, the roller bracing piece also can rotate, the material conveying of the coarse surface of being convenient for.

In some embodiments, the vacuum base plate is provided with a guide groove, and the guide block is slidably mounted in the guide groove. The guide block is magnetic, and the vacuum bottom plate is made of magnetic technical materials. Therefore, the materials reaching the vacuum bottom plate can be further positioned and guided through the guide block or corrected, and the accuracy of the cutting position of the materials is guaranteed. The guide block can slide in the guide way, and when the guide block slides to a proper position, the guide block can be fixed on the vacuum bottom plate through magnetic attraction, so that the guide block cannot slide randomly, and the accuracy of the guide position is ensured. The number of the guide blocks is equal to that of the positioning plates. Therefore, the positions of the guide blocks can be adjusted, each positioning plate corresponds to one guide block, and materials conveyed from two adjacent positioning plates can pass through the space between the two adjacent guide blocks. The material receives the spacing guide effect of two adjacent guide blocks on the vacuum bottom plate, guarantees that material area central line and cutting die central line coincide, improves the accuracy of cutting the position.

In some embodiments, a third adjusting screw is arranged above the vacuum bottom plate, and the third adjusting screw is arranged in parallel with the vacuum bottom plate; the third adjusting screw rod can move back and forth along the material conveying direction; a fourth adjusting screw is arranged on the third adjusting screw and can move left and right along the third adjusting screw; the fourth adjusting screw is vertically arranged, and the height of the fourth adjusting screw can be adjusted along the vertical direction. Fourth adjusting screw is connected with color mark sensor to can carry out the X Y Z three-dimensional to the color mark sensor through adjusting third adjusting screw and fourth adjusting screw and adjust, thereby adjust color mark sensor's focus, cut with the material that adapts to different materials, guarantee color mark sensor's detection accuracy. The color mark sensor can identify the color on the material and upload the identification result to the control system. And after receiving the information of the sensor, the control system sends a corresponding operation instruction to the second power mechanism through analysis and processing.

In some embodiments, the vacuum base plate is provided with a plurality of small holes, and the bottom of the vacuum base plate is provided with a negative pressure device capable of sucking air from the upper space of the vacuum base plate through the small holes. From this, the material laminates with the vacuum bottom plate completely under the effect of negative pressure, can avoid the material to appear crooked in the sharp data send process on equipment, guarantees that material area central line and cutting die central line coincide, improves the accuracy of cutting.

In some embodiments, the second power assembly comprises an air cylinder, and the air cylinder is connected with the die holder; therefore, the cylinder can drive the die holder to move when in operation, and the cutting die is driven to cut materials.

In some embodiments, the die holder comprises a support frame, and the second power assembly is mounted on the upper surface of the support frame; the upper surface of the supporting frame is provided with a linear bearing; a connecting plate is arranged in the supporting frame, and a guide shaft is also arranged on the upper surface of the connecting plate and penetrates through the linear bearing; the cylinder is connected with the connecting plate through the floating joint. Therefore, the second power assembly positioned on the upper surface of the support frame and the connecting plate positioned in the support frame can realize synchronous operation through the guide shaft. When the cylinder moves downwards, the floating joint applies pressure to the connecting plate to drive the connecting plate to move downwards; when the cylinder moves upwards, the pressure on the connecting plate is reduced until the pressure disappears, and the connecting plate moves upwards. The cylinder is connected with the connecting plate through the floating joint, so that errors can be eliminated.

In some embodiments, the connecting plate has a die positioning mechanism configured with a clamping mechanism that is capable of mating with a die. The cutting die is fixed on the cutting die positioning mechanism through being matched with the clamping mechanism, so that the cutting die can move up and down along with the connecting plate, and the cutting of materials is realized.

In some embodiments, the lower surface of the connecting plate can be provided with a flatness adjusting plate, the cutting die positioning mechanism and the clamping mechanism are arranged on the flatness adjusting plate, and the flatness adjusting plate can ensure that the connecting plate is balanced when moving up and down under the action of the air cylinder, so that the uniform force application and accurate cutting position of the cutting die can be ensured when cutting materials.

In some embodiments, the die holder further comprises a material receiving platform, and the material receiving platform is located below the support frame. The material receiving platform is used for receiving cut materials.

In some embodiments, a protective cover is disposed outside the second power assembly. Therefore, dust can be prevented from entering, related parts are protected, the equipment runs stably, and the service life is prolonged. Connect the material platform to go up to also can set up the protection casing, can avoid being cut by the cutting die because of misoperation.

In some embodiments, the control system includes a human interface touch screen. Therefore, the operation can be simplified, the practical performance of the equipment is improved, and the technical requirements on operators are reduced.

Drawings

FIG. 1 is a perspective view of an irregular shaped cutting device for flexible material according to one embodiment of the present invention;

FIG. 2 is a right side view of the irregular shaped cutting device of the flexible material shown in FIG. 1;

FIG. 3 is a rear view of the irregular shaped cutting device of the flexible material shown in FIG. 1;

FIG. 4 is a top view of the irregular shaped cutting device of the flexible material shown in FIG. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 4 schematically show an irregular-shaped cutting device for a flexible material according to an embodiment of the present invention. As shown in the figure, the device comprises a rack 7, wherein a material conveying module, a material positioning and guiding module, a cutting module and a control system are arranged on the rack 7. The control system comprises a human-computer interface touch screen 1. When carrying out flexible material and cutting, can predetermine the requirement that cuts that needs through human-computer interface touch-sensitive screen 1, assign the instruction through control system, flexible material arrives and cuts the module and cut under the pulling effect of material conveying module. Before the material arrives and cuts the module, can adjust and rectify the position of material through material location and direction module, guarantee the accuracy of material cutting position. The cutting die of the cutting die set can be detached, and the cutting tools with corresponding shapes can be selected as required.

The material transfer module includes a first power assembly and a pulling mechanism 32. The first power assembly comprises a servo motor 3, a driving wheel 4 and a driven wheel 33. The driving wheel 4 is connected with the output end of the servo motor 3, and the driving wheel 4 is in transmission connection with the driven wheel 33 through the synchronous belt 2. The material pulling structure 32 comprises a driving shaft 321 and a driven shaft 322 which are vertically arranged, the driving shaft 321 is connected with the driven shaft 322 through a gear, and the driven shaft 322 is also connected with the pressure adjusting block 17. The material passes through between the driving shaft 321 and the driven shaft 322, and the adjusting pressure adjusting block 17 can press the conveyed material between the driving shaft 321 and the driven shaft 322. The driving shaft 321 is connected with the driven wheel 33, when the servo motor 3 operates, the driving wheel 4 drives the driven wheel 33 to rotate, and the driving shaft 321 rotates under the action of the driven wheel 33, so that materials can be pulled.

The material positioning and guiding module comprises two positioning plates 27, and a plurality of supporting

rods

28 and 29 are inserted into the two positioning plates 27. A plurality of

support rods

28, 29 are vertically inserted into the two positioning plates 27, and the two positioning plates 27 are arranged in parallel. Still dispose first adjusting screw 5 on two locating plates 27, both ends are equipped with left-hand thread and right-hand thread respectively about first adjusting screw 5, and two locating plates 27 are equipped with respectively with the left-hand thread of first adjusting screw 5 and right-hand thread assorted screw hole, and two locating plates 27 are connected with the both ends threaded connection about first adjusting screw 5 respectively. The first adjusting screw 5 is a centering adjusting screw, and the left and right positioning plates 27 can be driven to simultaneously approach or simultaneously leave the central position of the first adjusting screw 5 by rotating the first adjusting screw 5, so that the central line of the material conveying process is consistent with the central line of the cutting die. The left-handed thread and the right-handed thread provided at the left and right ends of the first adjusting screw 5 have the same pitch, so that the left and right positioning plates 27 can be moved at the same time at equal intervals when rotated.

Support rods

28 and 29 are also inserted into the positioning plate 27. The supporting

rods

28 and 29 are divided into an upper supporting rod 29 and a lower supporting rod 28, the upper supporting rod 29 is a rotatable roller type, the upper supporting rod 29 can rotate along with the movement of materials in the material conveying process and can be used for conveying materials with rough surfaces, the lower supporting rod 28 is a fixed shaft type, and the lower supporting rod 28 is always fixed and can be used for conveying materials with smooth surfaces in the material conveying process. The support bars 28, 29 are connected with a second adjusting screw 26, and the support bars 28, 29 can be finely adjusted by adjusting the second adjusting screw 26.

The material positioning and guiding module further comprises a vacuum bottom plate 30, and two guiding blocks 31 are mounted on the vacuum bottom plate 30. The vacuum base 30 is provided with a guide groove 34, the guide block 31 is installed in the guide groove 34, and the guide block 31 can slide in the guide groove 34. The guide block 31 has magnetism, and the vacuum substrate 30 is a stainless steel plate. The vacuum bottom plate 30 is provided with a third adjusting screw 24, the third adjusting screw 24 is arranged in parallel with the vacuum bottom plate 30 and is vertical to the material conveying direction, and the third adjusting screw 24 can move back and forth along the material conveying direction. The third adjusting screw 24 is further provided with a fourth adjusting screw 25 in the vertical direction, the fourth adjusting screw 25 can move left and right along the third adjusting screw 24, and the height of the fourth adjusting screw 25 can be adjusted in the vertical direction. The fourth adjusting screw 25 is provided with a color scale sensor 23. The color mark sensor 23 can be driven by the third adjusting screw 24 and the fourth adjusting screw 25 to adjust the position in the X/Y/Z direction, so that the position and the focal length of the color mark sensor can be conveniently adjusted, and the identification of the material characteristics is accurate and effective. A plurality of small holes are uniformly distributed on the vacuum bottom plate 30, a vacuum pump is arranged below the vacuum bottom plate 30, and the vacuum pump can suck air from the upper part of the vacuum bottom plate 30 through the small holes.

The cutting module comprises a cutting die, a die holder and a second power assembly. The second power assembly is externally covered with a protective cover 20. The second power assembly is a cylinder 21. The die holder comprises a support frame 15, a cylinder 21 is arranged on the upper surface of the support frame 15, and a linear bearing 18 is further arranged on the upper surface of the support frame 15. The linear bearing 18 is vertically disposed. The support frame 15 is provided with a connecting plate 14 inside. The cylinder 21 is connected with the upper surface of the connecting plate 14 in a floating manner through a floating joint 22. The cylinder 21 moves up and down to drive the connecting plate 14 to move up and down. The upper surface of the connecting plate 14 is provided with a guide shaft 19, and the guide shaft 19 can pass through the linear bearing 18. The linear bearings 18 are vertically arranged, so that the movement direction of the guide shaft 19 in the linear bearings 18 is vertical, and the connecting plate 14 moves in the vertical direction under the action of the air cylinder 21. A flatness adjustment plate 12 is attached to the lower surface of the connection plate 14. The flatness adjusting plate 12 is connected with the cutting die positioning mechanism 10 and the clamping mechanism 9. The clamping mechanism 9 can clamp the cutting die, is fixed in the cutting die positioning mechanism 10 and moves up and down along with the movement of the connecting plate 14. The shape and size of the cutting die can be selected according to the cutting requirements. The material receiving platform 6 is arranged below the supporting frame 15 and can receive cut materials.

The equipment is also provided with a safety protection device. The second power assembly is externally covered with a protective cover 20, which can prevent dust.

The control system controls operation of the first power assembly and the second power assembly. The color mark sensor 23 is connected with the control system, and can feed back the detected color information, hole seam information and size information to the control system, and the control system issues corresponding instructions according to the received information.

A plurality of truckles 8 are uniformly distributed at the bottom end of the machine body of the rack 7, so that the equipment can be conveniently moved.

When the flexible material is cut by using the device, the material firstly passes through the material positioning and guiding module and encircles the supporting

rods

28 and 29 from the middle of the two positioning plates 27. And adjusting the first adjusting screw 5 to ensure that the material belt center line of the material is consistent with the center line of the cutting die. The third adjusting screw 24 is adjusted to make the position of the guide block 31 correspond to the position of the positioning plate 27, and the material reaching the vacuum bottom plate 30 passes between the two magnetic guide blocks 31. The guide block 31 positions the material, and ensures that the material is not deviated when the material pulling mechanism 32 pulls the material. The vacuum bottom plate 30 adsorbs materials under the action of negative pressure at the bottom, so that the materials are completely attached to the vacuum bottom plate 30, and the material belt does not bend during linear motion on equipment. If the cutting needs to ensure the integrity of certain special features on the material, such as color consistency, opening or gap integrity, but if the positions of the special features on the material are not consistent, the position of the material can be finely adjusted left and right by adjusting the second adjusting screw 26, so that the integrity of the special features during cutting is avoided.

Cutting indexes such as length, color and the like required to be adopted are set through the human-computer interface touch screen 1, and the device is started. Control system assigns the operation instruction to servo motor 3, and servo motor 3 passes through hold-in range 2 and drives the motion of drawing material mechanism 32, draws the material to cutting the module operation. The pulling mechanism 32 transfers the material to the cutting module. The sensor feeds back a signal to the control system after identifying the special characteristics of the material, and the control system controls the second power assembly to operate. The cutting die passes through clamping mechanism 9 to be fixed on cutting die fixed establishment, and the cutting edge shape is makeed according to the demand, and flatness adjusting plate 12 is fixed on connecting plate 14, and connecting plate 14 connects cylinder 21 through floating joint 22, and cylinder 21 drives flatness adjusting plate 12 up-and-down motion, realizes cutting the material into the shape that needs, can carry out the processing of cutting of various irregular shapes to the material, and the operation of being convenient for is favorable to improving production efficiency, promotes product quality.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. A cutting device for flexible materials with irregular shapes is characterized by comprising a material conveying module, a material positioning and guiding module, a cutting module and a control system;

the material conveying module comprises a first power assembly and a material pulling mechanism (32), and the first power assembly can drive the material pulling mechanism (32) to rotate;

the material positioning and guiding module comprises a positioning plate (27) and a vacuum bottom plate (30), and the positioning plate (27) can move left and right; a guide block (31) is arranged on the vacuum bottom plate (30) in a sliding way; a color code sensor (23) is arranged above the vacuum bottom plate (30), and the color code sensor (23) is connected with the control system;

the cutting module comprises a cutting die, a die holder and a second power assembly; the cutting die is detachably arranged on the die holder, and the die holder is matched with the second power assembly; the second power assembly can drive the cutting die to move up and down;

the first power assembly and the second power assembly are controlled by the control system to operate.

2. The irregular flexible material cutting device according to claim 1, wherein the first power assembly comprises a servo motor (3), a driving wheel (4) and a driven wheel (33); the output end of the servo motor (3) is connected with the driving wheel (4), and the driving wheel (4) is in transmission connection with the driven wheel (33); the driven wheel (32) is connected with the material pulling mechanism (32);

the material pulling mechanism (32) comprises a driving shaft (321) and a driven shaft (322); the driving shaft (321) and the driven shaft (322) are arranged side by side up and down, and materials can pass through the driving shaft (321) and the driven shaft (322); the driving shaft (321) is connected with the driven wheel (33); the driving shaft (321) is in transmission connection with the driven shaft (322).

3. The cutting device for irregular shapes of flexible materials according to claim 1, characterized in that the number of the positioning plates (27) is two or more, a first adjusting screw (5) is arranged on the positioning plates (27), both ends of the first adjusting screw (5) are respectively provided with a left-handed thread and a right-handed thread, both ends of the first adjusting screw (5) are respectively in threaded connection with two adjacent positioning plates (27), and rotating the first adjusting screw (5) can drive the left and right positioning plates (27) to be close to or far away from the center of the first adjusting screw (5) simultaneously.

4. The irregular-shaped cutting device for the flexible materials as claimed in claim 3, characterized in that a support rod (27) is also vertically inserted on the positioning plate (27); the supporting rods (28, 29) are connected with a second adjusting screw rod (26), and the supporting rods (28, 29) can move along with the second adjusting screw rod (26).

5. The irregular flexible material cutting device according to claim 3, wherein the vacuum base plate (30) is provided with a guide groove (34), and the guide block (31) is slidably mounted in the guide groove (34); the guide block (31) is magnetic, and the vacuum bottom plate (30) is made of magnetic technical materials; the number of the guide blocks (31) is equal to that of the positioning plates (27);

a third adjusting screw rod (24) is arranged above the vacuum bottom plate (30), the third adjusting screw rod (24) is arranged in parallel to the vacuum bottom plate (30), and the third adjusting screw rod (24) can move back and forth along the material conveying direction; a fourth adjusting screw (25) is arranged on the third adjusting screw (24), the fourth adjusting screw (25) can move left and right along the third adjusting screw (24), and the fourth adjusting screw (25) can move in the vertical direction; the fourth adjusting screw (25) is connected with the color mark sensor (23).

6. The irregular shaped cutting device for flexible material according to claim 3, characterized in that the vacuum base plate (30) is provided with a plurality of small holes, and the bottom of the vacuum base plate (30) is provided with a negative pressure device, which can suck air from the upper space of the vacuum base plate (30) through the small holes.

7. The irregular flexible material cutting device according to claim 1, wherein the second power assembly comprises a cylinder (21), and the cylinder (21) is connected with the die holder.

8. The irregular flexible material cutting device according to claim 7, wherein the die holder comprises a support frame (15), and the second power assembly is mounted on an upper surface of the support frame (15); the upper surface of the support frame (15) is provided with a linear bearing (18);

a connecting plate (14) is arranged in the supporting frame (15), a guide shaft (19) is further arranged on the upper surface of the connecting plate (14), and the guide shaft (19) penetrates through the linear bearing (18); the air cylinder (21) is connected with the connecting plate (14) through a floating joint (22);

the connecting plate (14) is provided with a cutting die positioning mechanism (10), the cutting die positioning mechanism (10) is provided with a clamping mechanism (9), and the clamping mechanism (9) can be matched with the cutting die;

the die holder further comprises a material receiving platform (6), and the material receiving platform (6) is located below the supporting frame (15).

9. The irregular flexible material cutting device according to claim 8, wherein a protective cover (20) is provided outside the second power assembly.

10. The irregular shaped cutting device according to any claim 1-9, characterized in that the control system comprises a human-machine interface touch screen (1).