Scribing and cutting device for conveying belt

Abstract

The utility model discloses a marking and cutting device for a conveying belt. The marking and cutting device comprises a belt unwinding mechanism, a marking and cutting mechanism and a belt winding mechanism which are arranged in sequence, the scribing and cutting mechanism comprises a machine table, and a cutting assembly, a longitudinal line scribing assembly and a transverse line scribing assembly are sequentially arranged on the machine table in the belt conveying direction. A feeding roller assembly is further arranged at the position, close to the cutting assembly, of the machine table, the feeding roller assembly comprises two feeding roller parts arranged on the two sides of the cutting assembly respectively, each feeding roller part comprises a fixed roller and a floating roller, the floating roller is located above the fixed roller, and a feeding gap allowing a belt to penetrate through is defined between the floating roller and the fixed roller; and when the belt passes through the feeding gap, the floating roller can be pressed on the belt in a floating manner. According to the utility model, scribing and cutting of the conveying belt are realized through mechanical cooperation, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyor belt processing, in particular to a conveyor belt marking and cutting device. Background Art

[0002] Belt conveyor is a kind of efficient and continuous transportation equipment, which has the advantages of long conveying distance, large transport capacity and continuous transportation. As the core component of belt conveyor, conveyor belt is usually marked with identification lines to facilitate the positioning of the conveying position of goods. At present, conveyor belt processing is usually to unwind the belt coil, manually spread it out and measure it, cut it to a specific length, and then use a mold to mark and spray it to form the identification line. However, this method requires a lot of labor and is inefficient. Utility Model Content

[0003] In order to overcome the above shortcomings, the purpose of the utility model is to provide a conveyor belt marking and cutting device, which realizes the marking and cutting of the conveyor belt through mechanical cooperation, thereby improving work efficiency.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a conveyor belt marking and cutting device, comprising a belt unwinding mechanism, a marking and cutting mechanism, and a belt winding mechanism arranged in sequence; wherein,

[0005] The marking and cutting mechanism includes a machine platform, which is provided with a cutting component, a longitudinal marking component, and a transverse marking component in sequence along the belt conveying direction; the machine platform is also provided with a feeding roller component near the cutting component, and the feeding roller component includes two feeding roller parts respectively arranged on both sides of the cutting component, and each of the feeding roller parts includes a fixed roller and a floating roller, the floating roller is located above the fixed roller, and a feeding gap for the belt to pass through is defined between the floating roller and the fixed roller; when the belt passes through the feeding gap, the floating roller can float and press against the belt.

[0006] The beneficial effects of the utility model are:

[0007] The belt coil is marked and cut by the cooperation of the belt unwinding mechanism and the marking and cutting mechanism. Since the belt used on the belt conveyor is relatively long, the belt after marking and cutting is rolled up by the belt winding mechanism to facilitate the arrangement of the belt. In the marking and cutting mechanism, the belt is marked and cut by the cooperation of the cutting assembly, the longitudinal marking assembly and the transverse marking assembly, which reduces the intensity of manual operation and improves work efficiency. Among them, the longitudinal marking assembly and the transverse marking assembly can perform transverse and longitudinal marking operations on the belt to meet the marking requirements of different types of belts. Feeding rollers that can float and abut against the belt are arranged on both sides of the cutting assembly, which can not only ensure the tension of the belt during the cutting process, but also avoid damage to the surface of the belt.

[0008] Specifically, both ends of the fixed roller are fixed to the machine platform through mounting seats, and the mounting seats are provided with spring rods arranged in the vertical direction, and the spring rods are fixed to the roller shaft of the floating roller. The connection between the spring rods and the roller shaft of the floating roller enables the floating roller to float up and down.

[0009] Furthermore, the fixed rollers of the two feed roller sections are connected by a synchronous transmission mechanism; and among the two feed roller sections, the outer diameter of the fixed roller of the feed roller section close to the longitudinal line marking assembly is larger than the outer diameter of the fixed roller of the other feed roller section, so that the gap between the fixed roller and the floating roller of the feed roller section close to the longitudinal line marking assembly is smaller than the gap between the fixed roller and the floating roller of the other feed roller section, thereby keeping the belt to be cut in a taut state.

[0010] Further, the longitudinal line scribing assembly includes a printing plate part and a scribing part used in conjunction with each other, the printing plate part includes a printing plate that can be raised and lowered, and the printing plate is provided with scribing holes that penetrate up and down. The scribing part includes a scribing base that can be moved perpendicular to the belt conveying direction under the action of a first driving member, and the scribing base is provided with a silk-screen scraper that can be raised and lowered; when the printing plate moves to the lowest position, the printing plate can abut against the belt.

[0011] When the belt needs to be printed longitudinally, the printing plate first moves down to abut against the belt, then the silk screen scraper moves down and squeezes into the marking perforation; the first driving member drives the marking base to move, and the silk screen scraper then marks the belt along the marking perforation. The marking range of the silk screen scraper can be limited by setting the marking perforation.

[0012] Furthermore, the horizontal line marking assembly includes a base plate mounted on the machine platform, a gap is left between the base plate and the machine platform for the belt to pass through, and a marking pen that can abut against the belt is mounted on the base plate. Since the marking pen abuts against the belt, the marking pen can perform marking operations on the belt during the belt conveying process.

[0013] Specifically, the cutting assembly includes a knife groove plate and a cutting knife part, wherein the knife groove plate is mounted on the machine platform; the cutting knife part is located above the knife groove plate, and includes a cutting knife base that can move in a direction perpendicular to the belt conveying direction under the action of a second driving member, and a cutting knife is arranged on the cutting knife base; the lower end of the cutting knife is inserted into the knife groove plate. When the belt is located between the knife groove plate and the cutting knife part, the belt can be cut as the cutting knife moves along the knife groove plate.

[0014] Furthermore, a marking drying unit is provided on one side of the machine near the belt winding mechanism, and the air outlet of the marking drying unit is arranged downward and aimed at the belt. The marking drying unit can dry the markings of the horizontal marking assembly and the vertical marking assembly on the belt to accelerate the drying speed of the ink.

[0015] Further, the belt winding mechanism includes a front receiving roller group and a rear receiving roller group arranged in sequence along the belt conveying direction, the front receiving roller group includes a first front receiving roller and a second front receiving roller that can rotate synchronously under the action of a front receiving driving member, and a receiving gap for the belt to pass through is provided between the first front receiving roller and the second front receiving roller; the rear receiving roller group includes a first rear receiving roller and a second rear receiving roller that can rotate synchronously under the action of a rear receiving driving member, and the outer side walls of the first rear receiving roller and the second rear receiving roller jointly form a winding surface for the belt to be wound; the belt cut by the scoring and cutting mechanism can pass through the receiving gap and be wound on the winding surface.

[0016] In the subsequent operation, the ends of the belt after the marking and cutting need to be toothed or buckled. Therefore, in order to facilitate the operation, the two ends of the belt need to be exposed to the outside when the belt is rolled up. Based on this, the cooperation of the front and rear receiving roller groups can expose both ends of the belt to the outside. Specifically, during operation, the rear material receiving drive is first started (at this time, the front material receiving drive is not started), the belt then passes through the material receiving gap and is wound onto the winding surface formed by the first rear material receiving roller and the second rear material receiving roller. When the belt is wound to half of its length (that is, half of the length of the belt is wound on the winding surface, and the other half of the length of the belt has not yet been wound), the rear material receiving drive is closed and the front material receiving drive is started. The first front material receiving roller and the second front material receiving roller rotate synchronously. At this time, the belt wound on the rear material receiving roller group is rewound onto the front material receiving roller group. At the same time, the other half of the belt that has not yet been wound is also wound onto the front material receiving roller group. When the belt is completely wound onto the front material receiving roller group, both ends of the belt can be located on the outside of the winding.

[0017] Furthermore, the belt unwinding mechanism includes an unwinding frame, on which an unwinding feed roller that can rotate under the action of an unwinding driving member is installed, and stop rollers are respectively provided on both sides of the unwinding feed roller along the belt conveying direction; the stop roller and the top of the unwinding feed roller jointly support the belt coil, and the stop roller is symmetrically provided with a stop plate that can abut against the side of the belt coil. The rotation of the unwinding feed roller can drive the belt coil to rotate, thereby realizing the unwinding action of the belt coil, and the stop plate of the stop roller can limit the side of the belt coil to avoid the phenomenon of skewing of the belt after unwinding.

[0018] Furthermore, a connecting plate is provided between the machine platform and the unwinding frame, and a limit baffle is symmetrically provided on the connecting plate perpendicular to the belt conveying direction, and a limit conveying area adapted to the belt width is defined between the limit baffles. A tensioning roller is provided on the side of the connecting plate close to the belt unwinding mechanism. The conveying direction of the belt can be further limited by the limit baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the conveyor belt scoring and cutting device according to an embodiment of the utility model;

[0020] Figure 2 This is a structural schematic diagram of the marking and cutting mechanism of an embodiment of the utility model;

[0021] Figure 3 This is a schematic structural diagram of a cutting assembly and a feed roller assembly according to an embodiment of the utility model;

[0022] Figure 4 for Figure 3 A partial enlarged view of the middle A area;

[0023] Figure 5 This is a schematic structural diagram of a longitudinal line scribing assembly according to an embodiment of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of a horizontal line scribing assembly according to an embodiment of the utility model;

[0025] Figure 7 This is a structural schematic diagram of a belt unwinding mechanism according to an embodiment of the utility model;

[0026] Figure 8 It is a structural schematic diagram of the belt winding mechanism of an embodiment of the utility model.

[0027] In the figure:

[0028] 1-belt unwinding mechanism; 11-unwinding frame; 12-unwinding feeding roller; 13-stop roller; 131-stop plate; 14-connecting plate; 141-limit baffle; 15-tensioning roller;

[0029] 2- marking and cutting mechanism; 21- machine table; 22- cutting assembly; 221- knife groove plate; 222- second driving member; 223- cutting knife base; 224- cutting knife; 23- vertical line marking assembly; 231- printing plate; 2311- marking and perforating; 232- first driving member; 233- marking base; 234- screen printing scraper; 24- horizontal line marking assembly; 241- base plate; 242- marking plate; 25- feeding roller; 251- fixed roller; 252- floating roller; 253- mounting seat; 254- spring rod; 26- marking and drying member;

[0030] 3-belt winding mechanism; 31-front receiving roller group; 311-front receiving drive member; 312-first front receiving roller; 313-second front receiving roller; 32-rear receiving roller group;

[0031] 4- belt;

[0032] 5-Belt coil. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0034] Example

[0035] See attached Figure 1-4 As shown, a conveyor belt marking and cutting device of the utility model comprises a belt unwinding mechanism 1, a marking and cutting mechanism 2, and a belt winding mechanism 3 which are arranged in sequence. The marking and cutting mechanism 2 comprises a machine table 21, and the machine table 21 is provided with a cutting assembly 22, a longitudinal marking assembly 23, and a transverse marking assembly 24 in sequence along the conveying direction of the belt. A feeding roller assembly is also provided near the cutting assembly 22 of the machine table 21, and the feeding roller assembly comprises two feeding roller parts 25 which are respectively arranged on both sides of the cutting assembly 22, and each feeding roller part 25 comprises a fixed roller 251 and a floating roller 252, and the floating roller 252 is located above the fixed roller 251, and a feeding gap for the belt 4 to pass through is defined between the floating roller 252 and the fixed roller 251; when the belt 4 passes through the feeding gap, the floating roller 252 can float and press against the belt 4.

[0036] The belt unwinding mechanism 1 and the marking and cutting mechanism 2 are used in cooperation to realize marking and cutting of the belt coil. Since the belt used on the belt conveyor is relatively long, the belt 4 after marking and cutting is rolled up by the belt winding mechanism 3 to facilitate the arrangement of the belt 4. In the marking and cutting mechanism 2, the longitudinal marking component 23 and the transverse marking component 24 are provided to perform transverse and longitudinal marking operations on the belt 4 to meet the marking requirements of different types of belts. Feeding rollers 25 that can float and abut against the belt 4 are provided on both sides of the cutting component 22, which can not only ensure the tension of the belt 4 during the cutting process, but also avoid surface damage to the belt 4.

[0037] In order to achieve the floating roller 252 floating up and down, in some embodiments, see the attached Figure 3 As shown, both ends of the fixed roller 251 are fixedly connected to the machine platform 21 through mounting seats 253 , and the mounting seats 253 are provided with spring rods 254 arranged along the vertical direction, and the spring rods 254 are fixedly connected to the roller shaft of the floating roller 252 .

[0038] When the two feed roller sections 25 are actually arranged, the spacing between the axis center line of the fixed roller 251 and the axis center line of the corresponding floating roller 252 remains the same. Since the belt on the side of the cutting component 22 close to the longitudinal line marking component 23 is the belt to be cut, in order to ensure that the belt to be cut is in a taut state during the cutting process, in some embodiments, the outer diameter of the fixed roller 251 of the feed roller section 25 close to the longitudinal line marking component 23 is larger than the outer diameter of the fixed roller 251 of the other feed roller section 25, so that the gap between the fixed roller 251 and the floating roller 252 of the feed roller section 25 close to the longitudinal line marking component 23 is smaller than the gap between the fixed roller 251 and the floating roller 252 of the other feed roller section 25. When the belt 4 passes through the two feed roller sections 25 in sequence, the belt tensioning degree on the side of the cutting component 22 close to the longitudinal line marking component 23 can be greater than the belt tensioning degree on the side of the cutting component 22 close to the belt unwinding mechanism 1.

[0039] Furthermore, the fixed rollers 251 of the two feeding roller parts 25 are connected by a synchronous transmission mechanism 255 to achieve synchronous rotation of the two fixed rollers 251. The synchronous transmission mechanism 255 is fixedly installed on the machine 21. It should be noted that the synchronous transmission mechanism 255 can adopt a sprocket synchronous mechanism in the prior art.

[0040] In some embodiments, see Appendix Figure 5As shown, the longitudinal line marking assembly 23 is used to realize the marking operation of the belt 4 along the direction perpendicular to its conveying direction, and it includes a printing plate part and a marking part used in conjunction. Among them, the printing plate part includes a printing plate 231 that can be lifted and moved, and a marking through hole 2311 is provided on the printing plate 231 that runs through from top to bottom. And the distance of the marking through hole 2311 along the direction perpendicular to the belt conveying direction is greater than the width of the belt 4 (i.e. the width of the belt). The marking part includes a marking base 233 that can be moved along the direction perpendicular to the belt conveying direction under the action of the first driving member 232, and a silk screen scraper 234 that can be lifted and moved is provided on the marking base 233. When the printing plate 231 moves to the lowest position, the printing plate 231 can abut on the belt 4. At this time, the marking through hole 2311 is located on both sides of the belt 4 (in the width direction) along both sides perpendicular to the belt conveying direction, so that the marking part can mark the entire width of the belt 4 along the marking through hole 2311.

[0041] The silk-screen scraper 234 is usually made of a flexible material, and its marking width is greater than the width of the marking perforation 2311 (the width of the marking perforation refers to the distance of the marking perforation along the conveying direction of the belt). When the belt 4 needs to be printed with longitudinal lines, the printing plate 231 first moves down to abut against the belt 4, and then the silk-screen scraper 234 moves down and squeezes into the marking perforation 2311; the first driving member 232 drives the marking base 233 to move, and the silk-screen scraper 234 then marks the belt 4 along the marking perforation 2311, and the belt 4 located in the marking perforation area can be fully marked. The setting of the marking perforation 2311 can limit the marking range of the silk-screen scraper 234 and ensure the consistency of the marking quality.

[0042] In some embodiments, see Appendix Figure 6 As shown, the horizontal line marking assembly 24 includes a base plate 241 mounted on the machine table 21, and a gap is left between the base plate 241 and the machine table 21 for the belt 4 to pass through. A marking pen 242 that can abut against the belt 4 is installed on the base plate 241. When the belt 4 is transported toward the belt winding mechanism 3, the marking pen 242 can perform a marking operation on the belt 4.

[0043] In some embodiments, see Appendix Figure 4 As shown, the cutting assembly 22 includes a knife groove plate 221 and a cutting knife part, and the knife groove plate 221 is installed on the machine table 21. The cutting knife part is located above the knife groove plate 221, and includes a cutting knife base 223 that can move perpendicular to the belt conveying direction under the action of the second driving member 222. A cutting knife 224 is installed on the cutting knife base 223, and the lower end of the cutting knife 224 is inserted into the knife groove plate 221. When the belt 4 is located between the knife groove plate 221 and the cutting knife part, the belt 4 can be cut as the cutting knife 224 moves along the knife groove plate 221.

[0044] It should be noted that the lifting and moving of the printing plate 231 and the screen printing scraper 234 can be performed by a traction electromagnet or other lifting driving parts, and the first driving part 232 and the second driving part 222 can adopt linear modules in the prior art, which will not be described in detail in this embodiment.

[0045] Since the longitudinal marking mechanism 23 and the transverse marking mechanism 24 both use ink to mark the belt 4, in order to avoid the phenomenon of the marking sticking due to the ink not drying when the belt is subsequently rolled up, in some embodiments, a marking drying member 26 (such as a heater) is further provided on the side of the machine 21 close to the belt winding mechanism 3, and the blowing port of the marking drying member 26 is arranged downward and aimed at the belt 4. The arrangement of the marking drying member 26 can dry the markings on the belt 4 made by the transverse marking assembly 24 and the longitudinal marking assembly 23, so as to accelerate the drying speed of the ink.

[0046] In some embodiments, see Appendix Figure 7 As shown, the belt unwinding mechanism 1 includes an unwinding frame 11, on which an unwinding feed roller 12 that can rotate under the action of an unwinding driving member (such as a motor) is installed, and stop rollers 13 are respectively provided on both sides of the unwinding feed roller 12 along the belt conveying direction. The two stop rollers 13 and the top of the unwinding feed roller 12 jointly support the belt coil 5, and the stop rollers 13 are symmetrically provided with stop plates 131 that can abut against the side of the belt coil 5. The rotation of the unwinding feed roller 12 can drive the belt coil 5 to rotate, thereby realizing the unwinding action of the belt coil 5, and the stop plate 131 of the stop roller 13 can limit the side of the belt coil 5 to avoid the phenomenon of skewness of the belt 4 after unwinding.

[0047] Furthermore, a connecting plate 14 is provided between the machine table 21 and the unwinding frame 11, and the connecting plate 14 gradually slopes upward from the direction close to the unwinding frame 11 to the direction away from the unwinding frame 11, and the two ends of the connecting plate 14 are respectively connected to the machine table 21 and the unwinding frame 11. On the connecting plate 14, a limit baffle 141 is symmetrically provided perpendicular to the conveying direction of the belt, and a limit conveying area adapted to the belt width is defined between the limit baffles 141. The conveying direction of the belt 4 can be further limited by the provision of the limit baffle 141.

[0048] In some embodiments, a tensioning roller 15 is provided on one side of the connecting plate 14 close to the belt unwinding mechanism 1, and the belt 4 after being unwound by the belt coil 5 can bypass the tensioning roller 15 and enter the feed roller assembly after passing through the limited conveying area. Furthermore, a tension detection sensor is provided on the tensioning roller 15, and when the tension detection sensor detects that the belt tension is too tight, the unwinding feed roller 12 can drive the belt coil 5 to unwind.

[0049] In some embodiments, see Appendix Figure 8As shown, the belt winding mechanism 3 includes a front receiving roller group 31 and a rear receiving roller group 32 which are arranged in sequence along the belt conveying direction. The front receiving roller group 31 includes a first front receiving roller 312 and a second front receiving roller 313 which can rotate synchronously under the action of a front receiving driving member 311. A receiving gap for the belt 4 to pass through is provided between the first front receiving roller 312 and the second front receiving roller 313. The rear receiving roller group includes a first rear receiving roller and a second rear receiving roller which can rotate synchronously under the action of a rear receiving driving member 321. The outer side walls of the first rear receiving roller and the second rear receiving roller jointly form a winding surface for the belt to be wound. The belt 4 cut by the scoring and cutting mechanism 2 can pass through the receiving gap and be wound on the winding surface.

[0050] Since the ends of the belt after the marking and cutting need to be toothed or buckled in the subsequent operation, the two ends of the belt 4 need to be exposed to the outside when the belt 4 is rolled up for convenience. Based on this, the front receiving roller group 31 and the rear receiving roller group 32 can cooperate to expose both ends of the belt 4 to the outside. Specifically, during operation, the rear material receiving drive member is first started (at this time, the front material receiving drive member 311 is not started), and the belt 4 then passes through the material receiving gap and is wound onto the winding surface formed by the first rear material receiving roller and the second rear material receiving roller. When the belt 4 is wound to half of its length (that is, half of the length of the belt is wound on the winding surface, and the other half of the length of the belt has not yet been wound), the rear material receiving drive member is closed and the front material receiving drive member 311 is started. The first front material receiving roller 312 and the second front material receiving roller 313 clamp the belt 4 and rotate synchronously. At this time, the belt 4 wound on the rear material receiving roller group 32 is rewound onto the front material receiving roller group 31, and at the same time, the other half of the belt 4 that has not yet been wound is also wound onto the front material receiving roller group 31. When the belt 4 is completely wound onto the front material receiving roller group 31, both ends of the belt 4 can be located on the outside of the winding.

[0051] The above implementation modes are only for illustrating the technical concept and features of the utility model, and their purpose is to allow people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A conveyor belt scoring and cutting device, characterized in that: It includes a belt unwinding mechanism, a marking and cutting mechanism, and a belt winding mechanism which are arranged in sequence; wherein, The marking and cutting mechanism includes a machine platform, which is provided with a cutting component, a longitudinal marking component, and a transverse marking component in sequence along the belt conveying direction; the machine platform is also provided with a feeding roller component near the cutting component, and the feeding roller component includes two feeding roller parts respectively arranged on both sides of the cutting component, and each of the feeding roller parts includes a fixed roller and a floating roller, the floating roller is located above the fixed roller, and a feeding gap for the belt to pass through is defined between the floating roller and the fixed roller; when the belt passes through the feeding gap, the floating roller can float and press against the belt.

2. The marking and cutting device according to claim 1, characterized in that: Both ends of the fixed roller are fixedly connected to the machine platform through mounting seats respectively. The mounting seats are provided with spring rods arranged along the vertical direction. The spring rods are fixedly connected to the roller shaft of the floating roller.

3. The marking and cutting device according to claim 1, characterized in that: The fixed rollers of the two feed roller parts are connected by a synchronous transmission mechanism; and among the two feed roller parts, the outer diameter of the fixed roller of the feed roller part close to the longitudinal line marking assembly is larger than the outer diameter of the fixed roller of the other feed roller part.

4. The marking and cutting device according to claim 1, characterized in that: The longitudinal line marking assembly includes a printing plate portion and a marking portion that are used in conjunction with each other. The printing plate portion includes a printing plate that can be raised and lowered, and the printing plate is provided with marking through holes that pass through it from top to bottom; the marking portion includes a marking base that can be moved in a direction perpendicular to the belt conveying direction under the action of a first driving member, and the marking base is provided with a silk-screen scraper that can be raised and lowered; when the printing plate moves to the lowest position, the printing plate can abut against the belt.

5. The marking and cutting device according to claim 1, characterized in that: The horizontal line marking assembly comprises a base plate installed on the machine platform, a gap for a belt to pass through is reserved between the base plate and the machine platform, and a marking pen capable of abutting against the belt is installed on the base plate.

6. The marking and cutting device according to claim 1, characterized in that: The cutting assembly includes a knife groove plate and a cutting knife part, wherein the knife groove plate is installed on the machine platform; the cutting knife part is located above the knife groove plate, and includes a cutting knife base that can move in a direction perpendicular to the belt conveying direction under the action of a second driving member, and a cutting knife is provided on the cutting knife base; the lower end of the cutting knife is inserted into the knife groove plate.

7. The marking and cutting device according to claim 1, characterized in that: A marking drying component is also provided on one side of the machine platform close to the belt winding mechanism, and an air blowing port of the marking drying component is arranged downward and aimed at the belt.

8. The marking and cutting device according to claim 1, characterized in that: The belt winding mechanism includes a front receiving roller group and a rear receiving roller group which are arranged in sequence along the belt conveying direction, the front receiving roller group includes a first front receiving roller and a second front receiving roller which can rotate synchronously under the action of a front receiving driving member, and a receiving gap for the belt to pass through is provided between the first front receiving roller and the second front receiving roller; the rear receiving roller group includes a first rear receiving roller and a second rear receiving roller which can rotate synchronously under the action of a rear receiving driving member, and the outer side walls of the first rear receiving roller and the second rear receiving roller jointly form a winding surface for the belt to be wound; the belt cut by the scoring and cutting mechanism can pass through the receiving gap and be wound on the winding surface.

9. The marking and cutting device according to claim 1, characterized in that: The belt unwinding mechanism includes an unwinding frame, on which is mounted an unwinding feed roller which can rotate under the action of an unwinding drive member, and on both sides of the unwinding feed roller along the belt conveying direction, stop rollers are respectively provided; the stop roller and the top of the unwinding feed roller jointly support a belt roll, and the stop roller is symmetrically provided with stop plates which can abut against the side of the belt roll.

10. The marking and cutting device according to claim 9, characterized in that: A connecting plate is provided between the machine platform and the unwinding frame, and limit baffles are symmetrically arranged on the connecting plate perpendicular to the belt conveying direction, and a limit conveying area adapted to the belt width is defined between the limit baffles; and a tensioning roller is provided on the side of the connecting plate close to the belt unwinding mechanism.

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