CN215433857U - High-precision die cutting equipment for thermal paper - Google Patents

Abstract

The utility model belongs to the technical field of the processing of temperature sensing paper and specifically relates to a temperature sensing paper high accuracy cross cutting equipment has solved the position control of temperature sensing paper on equipment comparatively inconvenient, influences the machining efficiency of temperature sensing paper and the problem of processing effect, and it includes the base, direction of delivery along temperature sensing paper on the base is equipped with unwinding mechanism, a plurality of transfer roller and rolling subassembly respectively, the rolling subassembly includes parallel arrangement's first friction roller, second friction roller and rolling axle, the rolling subassembly orientation one side of unwinding mechanism is equipped with the cutting means who is used for cutting temperature sensing paper, cutting means includes a plurality of break bars and wears to locate on the base and follow the arbor of base width direction sliding, be fixed with a plurality ofly on the arbor and be used for the installation the blade holder of break bar. This application has the position that makes things convenient for thermal paper and cutter to correspond, guarantees the effect of the cutting efficiency and the cutting effect of thermal paper.

Description

High-precision die cutting equipment for thermal paper

Technical Field

The application relates to the field of thermal paper processing, in particular to thermal paper high-precision die cutting equipment.

Background

Thermal paper is processed paper in which a paper base is coated with various chemical substances such as leuco dyes, color developing agents, protective layers and the like, and a chemical reaction and color development are generated when the paper is heated. When the paper base is processed, the paper base with the larger width is coated with the thermosensitive coating, and then the thermosensitive paper raw material coated with the thermosensitive coating is cut to be processed into thermosensitive paper rolls with different widths so as to adapt to different printing requirements.

At present, when the thermal paper is cut, the thermal paper is usually unreeled and then reeled, a plurality of parallel equidistant cutters are arranged between the unreeling position and the reeling position, the thermal paper is cut into equidistant strips, and before cutting, the position of the thermal paper needs to be adjusted, so that the plurality of cutters are all positioned in the width of the thermal paper, and the processed thermal paper is completely flushed.

In view of the above-mentioned related art, the inventor believes that there is a defect that the position adjustment of the thermal paper on the apparatus is inconvenient, and the processing efficiency and the processing effect of the thermal paper are affected.

SUMMERY OF THE UTILITY MODEL

For the position of convenient temperature sensing paper and cutter corresponds, guarantees the cutting efficiency and the cutting effect of temperature sensing paper, this application provides a temperature sensing paper high accuracy cross cutting equipment.

The application provides a thermal paper high accuracy cross cutting equipment adopts following technical scheme:

a high-precision die cutting device for thermal paper comprises a base, wherein an unwinding mechanism for unwinding the thermal paper and a plurality of conveying rollers for conveying the thermal paper are respectively arranged on the base along the conveying direction of the thermal paper, and a rolling component for rolling the thermal paper, wherein the rolling component comprises a first friction roller, a second friction roller and a rolling shaft which are arranged in parallel, a pair of sliding components used for limiting the winding shaft to slide up and down in the vertical direction are connected above the first friction roller and the second friction roller on two sides of the base in the width direction, one side of the winding component facing the unwinding mechanism is provided with a cutting component for cutting the thermal paper, the cutting component comprises a plurality of knife wheels tangent to the second friction roller, and the cutter shaft penetrates through the base and slides along the width direction of the base, and a plurality of cutter seats used for mounting the cutter wheel are fixed on the cutter shaft.

Through adopting the above technical scheme, made things convenient for through unwinding mechanism with the complete temperature sensing paper of width broad unreel, convey temperature sensing paper to rolling assembly through a plurality of transfer rollers, the cutting assembly of rolling assembly one side is after the temperature sensing paper cutting of broad is many narrower width, pack up by rolling assembly, made things convenient for the temperature sensing paper product of processing the temperature sensing paper of broad into required width, and the cutter axle can slide along base width direction, made things convenient for and adjusted the position of each break bar through adjusting the cutter axle, made things convenient for and adjusted each break bar to the position corresponding with temperature sensing paper, and need not adjust the position of temperature sensing paper on square winding roll and a plurality of transfer rollers, made things convenient for material loading and the cutting of temperature sensing paper, improved the cutting efficiency and the cutting effect of temperature sensing paper.

Optionally, the two ends of the cutter shaft are all surrounded by embedded rings, two embedded rings are all embedded with an engaging rod, and the engaging rod is arranged on the second friction roller in an overlapped mode.

Through adopting above-mentioned technical scheme for when two take levers set up on second friction roller, a plurality of break bars all do not contact with second friction roller, have made things convenient for along base width direction removal cutter axle, adjust a plurality of break bars to suitable position, have made things convenient for the alignment of a plurality of break bars and thermal paper, prevent that the break bar from causing the damage to the thermal paper, have improved the cutting effect of thermal paper.

Optionally, a plurality of cutter wheels are provided with a limiting rod in the center in a penetrating manner, and the limiting rod is provided with scales.

Through adopting above-mentioned technical scheme, made things convenient for the position through a plurality of break bars regulation a plurality of break bars, made the coaxial equidistance of a plurality of break bars arrange, made things convenient for the quick adjustment of a plurality of break bars, made a plurality of break bars all tangent with second friction roller, caused the damage to the temperature sensing paper when preventing to adjust the break bar.

Optionally, the two side surfaces of the cutter wheel are coaxially connected with waste material wheels with smaller radiuses than the cutter wheel.

By adopting the technical scheme, the waste materials on the two sides of the waste material wheel on the side surface of the cutter wheel can be conveniently conveyed after the cutter wheel cuts the thermal paper, so that the residual waste materials of the thermal paper after finish machining can be timely cleaned, the thermal paper can be conveniently machined, and the machining efficiency of the thermal paper can be improved.

Optionally, the first friction roller is divided into a plurality of friction sections, and the friction sections are arranged in a sliding manner along the width direction of the base.

Through adopting above-mentioned technical scheme, made things convenient for and slided a plurality of friction sections along base width direction, adjusted a plurality of friction sections to crisscross with a plurality of break bars, produce debris such as thermal paper piece when preventing the break bar cutting friction section on being attached to first friction roller to on coating the thermal paper, cause harmful effects to the quality of thermal paper, and do not influence the friction of first friction roller to the thermal paper after a plurality of cutting, drive the thermal paper and convolute to the rolling epaxially.

Optionally, a cleaning roller is arranged on the base below the first friction roller and the second friction roller in a penetrating manner, and the first friction roller and the second friction roller are both tangent to the cleaning roller.

Through adopting above-mentioned technical scheme, made things convenient for through cleaning the piece clearance that produces when the roller cuts adnexed temperature sensing paper on with first friction roller and second friction roller, made things convenient for the cleanness that keeps first friction roller and second friction roller, reduced the probability that the piece that produces pollutes when the in-process that the rolling axle was convoluteed after the cutting to the temperature sensing paper by the cutting, improved the processing effect of temperature sensing paper.

Optionally, unwinding mechanism is including the unwinding roller that is used for placing the thermal paper roll, fix be used for the bearing of base both sides the limiting plate of unwinding roller, two all be equipped with the hasp on the limiting plate.

Through adopting above-mentioned technical scheme, made things convenient for through limiting plate and hasp with unreeling roller detachably spacing on the base, made things convenient for the change of temperature sensing scroll material loading and material loading after finishing on unreeling roller.

Optionally, the unwinding mechanism further comprises two feeding claws which are rotatably arranged on two sides of the base respectively, and two groups of rotating assemblies which are used for driving the two feeding claws respectively; the rotating assembly comprises a feeding driving piece, a driving gear, a driven gear and a chain, wherein the driving gear is coaxially connected with the feeding driving piece, the driven gear is coaxially connected with the feeding claw, and the chain is meshed and matched with the driving gear and the driven gear.

Through adopting above-mentioned technical scheme, made things convenient for the unreeling roller that has the thermal sensitive scroll with the bearing to arrange two material loading claws in to drive the material loading claw through rotating assembly and rotate, inlay in the limiting plate with the unreeling roller, it is spacing that the rethread hasp will unreel the roller, made things convenient for the material loading of thermal sensitive scroll, improved the material loading efficiency of thermal sensitive scroll.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the thermosensitive paper is unreeled and then reeled, and the cutter shafts for mounting the cutter wheels are arranged on the base in a sliding manner, so that the cutter wheels can slide along the width direction of the base conveniently, the positions of the cutter wheels can be adjusted conveniently, the cutter wheels can adapt to the positions of the thermosensitive paper rolls, and the thermosensitive paper rolls can be cut conveniently;

2. the pair of the lapping rods are arranged on the cutter shaft, so that when the lapping rods are lapped on the second friction roller, the cutter wheels are controlled to be not contacted with the second friction roller, the corresponding relation between the cutter wheels and the thermal paper is convenient to observe, the positions of the cutter wheels are adjusted by moving the cutter shaft, and the cutting processing of the thermal paper by the cutter wheels is convenient;

3. through dividing into multistage friction section with first friction roller, and with multistage friction section and the crisscross setting of a plurality of break bars, prevent that the clearance that thermal paper formed under the break bar cutting from contacting with the friction section, make the piece that the thermal paper produced when the cutting adhere to on the friction section, and then coat on the thermal paper, lead to thermal paper finished product quality to descend.

Drawings

Fig. 1 is a schematic structural diagram of a high-precision thermal paper die-cutting device according to an embodiment of the application.

Fig. 2 is a schematic structural diagram of a top view of a thermal paper high-precision die cutting device according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram for showing a thermal paper conveying path according to an embodiment of the present application.

Description of reference numerals: 1. a base; 2. an unwinding mechanism; 21. unwinding rollers; 22. a feeding claw; 23. a rotating assembly; 231. a feeding driving member; 232. a driving gear; 233. a driven gear; 234. a chain; 24. a limiting plate; 241. a hasp; 3. a conveying roller; 4. a winding component; 41. a winding shaft; 42. a first rubbing roller; 421. rolling a driving piece; 422. a friction section; 43. a second rubbing roller; 44. cleaning the roller; 441. cleaning a driving piece; 5. a cutting assembly; 51. a cutter shaft; 511. tightly abutting against the bolt; 52. a tool apron; 53. a cutter wheel; 531. a waste wheel; 54. building a rod; 541. embedding a ring; 55. a limiting rod; 6. a slipping component; 61. a slide bar; 62. and (4) a sliding block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses high-precision die cutting equipment for thermal paper. Referring to fig. 1 and fig. 3, a high accuracy cross cutting equipment of temperature sensing paper, including base 1, the head end is provided with unwinding mechanism 2 on base 1, unwinding mechanism 2 is including fixing a pair of limiting plate 24 in base 1 both sides to and the unwinding roller 21 that is used for wearing to establish the temperature sensing paper roll of common bearing on a pair of limiting plate 24, unwinding roller 21 can be the inflatable shaft in this application embodiment, made things convenient for to fix the temperature sensing paper roll on unwinding roller 21, prevent that temperature sensing paper roll and unwinding roller 21 from taking place relative displacement, be unfavorable for unreeling of temperature sensing paper.

Referring to fig. 2 and 3, a group of hasps 241 are connected to each of the two limiting plates 24, and when the hasps 241 are buckled with each other, the hasps 241 are tangent to the shaft heads of the corresponding unwinding rollers 21, so that the shaft heads at the two ends of the unwinding rollers 21 are respectively limited, and the unwinding rollers 21 are prevented from moving on the limiting plates 24 or being separated from the limiting plates 24 under the action of external force, so that the thermal sensitive paper roll is damaged.

Referring to fig. 2 and 3, two feeding claws 22 are rotatably connected to two sides of the base 1 below the two position limiting plates 24, and the distance between the axis of the unwinding roller 21 and the rotation axis of the feeding claw 22 when the unwinding roller 21 is placed on the two feeding claws 22 is equal to the distance between the axis of the unwinding roller 21 and the rotation axis of the feeding claw 22 when the unwinding roller 21 is placed on the two position limiting plates 24.

Referring to fig. 2 and 3, the two feeding claws 22 are respectively provided with a rotating assembly 23 for driving the corresponding feeding claw 22 to rotate, each rotating assembly 23 includes a driving gear 232 disposed on a side surface of the base 1, a feeding driving member 231 coaxially connected with the driving gear 232, a driven gear 233 coaxially connected with the feeding claw 22, and a chain 234 engaged with the driving gear 232 and the driven gear 233, the feeding driving member 231 may be a motor in the embodiment of the present application, the unwinding roller 21 bearing the thermal sensitive paper roll is moved to the two feeding claws 22, the feeding driving member 231 drives the driving gear 232 to rotate, and drives the driven gear 233 and the feeding claw 22 to rotate under the engagement action of the chain 234, so that the unwinding roller 21 can be pushed to the two limiting plates 24, the feeding of the thermal sensitive paper roll is facilitated, and the feeding efficiency of the thermal sensitive paper roll is improved.

Referring to fig. 2 and 3, the base 1 is rotatably provided with a plurality of transfer rollers 3 parallel to the unwinding roller 21, which facilitates the thermal paper wound on the unwinding roller 21 to be inserted between the plurality of transfer rollers 3 and transferred by the plurality of transfer rollers 3.

Referring to fig. 2 and 3, the winding assembly 4 for winding the thermal paper is disposed at the end of the base 1, the winding assembly 4 includes a first friction roller 42 and a second friction roller 43 disposed parallel to the conveying roller 3, and a winding shaft 41 supported above the first friction roller 42 and the second friction roller 43, and the thermal paper is attached to the outer wall of the second friction roller 43 and then wound on the winding shaft 41.

Referring to fig. 2 and 3, a winding driving member 421 is coaxially connected to an end of the first friction roller 42, the winding driving member 421 may be a motor in this embodiment, the first friction roller 42 may be a rubber roller in this embodiment, and when the winding driving member 421 drives the first friction roller 42 to rotate, the thermal paper wound on the winding shaft 41 is continuously wound on the winding shaft 41 under the driving of a friction force between the first friction roller 42 and the thermal paper, so that the winding shaft 41 is convenient to wind the thermal paper.

Referring to fig. 2 and 3, in order to accommodate the increasing diameter of the thermal paper wound on the winding shaft 41 and prevent the winding shaft 41 from falling from between the first friction roller 42 and the second friction roller 43, sliding assemblies 6 for limiting the vertical sliding movement of the end of the winding shaft 41 are provided on both sides of the base 1. The sliding assembly 6 comprises two sliding rods 61 vertically arranged on the side edge of the base 1, and sliding blocks 62 which are commonly arranged on the two sliding rods 61 in a penetrating mode, the end portions of the winding shaft 41 are embedded in the sliding blocks 62, bearings are arranged between the sliding blocks 62 and the end portions of the winding shaft 41, the winding shaft 41 is convenient to rotate under the driving of the first friction roller 42 between the first friction roller 42 and the second friction roller 43, the thermosensitive paper is wound, and the sliding rods 61 are upwards slid in the diameter increasing process of the thermosensitive paper.

Referring to fig. 2 and 3, a cutting assembly 5 for cutting thermal paper is arranged above the base 1 on one side of the winding assembly 4 facing the unwinding mechanism 2, the cutting assembly 5 comprises a cutter shaft 51 parallel to the second friction roller 43 and penetrating through two sides of the base 1, a plurality of cutter seats 52 are equidistantly connected to the cutter shaft 51, each cutter seat 52 is provided with a cutter wheel 53, the cutter wheels 52 are adjusted, the cutter wheels 53 are tangent to the second friction roller 43, the cutter wheels 53 can cut the thermal paper attached to the second friction roller 43, the thermal paper with a wider width is cut into a plurality of equal distances, and the thermal paper raw material is conveniently processed into a thermal paper product with a required width.

Referring to fig. 2 and 3, the radius of the plurality of cutter wheels 53 is equal, and the plurality of cutter wheels 53 wear to be equipped with the gag lever post 55 along the axis jointly, when having made things convenient for to adjust a plurality of cutter wheels 53 to same axis through the gag lever post 55, a plurality of cutter wheels 53 are tangent with second friction roller 43 simultaneously, are equipped with the scale on the gag lever post 55, have made things convenient for the interval adjustment with a plurality of cutter wheels 53 unanimously, have made things convenient for a plurality of cutter wheels 53 to adjust at the position before processing at every turn, have improved the regulation efficiency of cutter wheels 53.

Referring to fig. 2 and 3, two ends of the cutter shaft 51 are fixed with the engaging rings 541, each engaging ring 541 is connected with an engaging rod 54 in an engaging manner, and the two engaging rods 54 are arranged on the second friction roller 43, so that the engaging rods 54 can be conveniently rotated around the cutter shaft 51, the two engaging rods 54 are arranged on the second friction roller 43, and when the plurality of cutter wheels 53 are not in contact with the second friction roller 43, the cutter shaft 51 is moved along the width direction of the base 1, the relative positions of the plurality of cutter wheels 53 and the thermal paper attached to the second friction roller 43 are adjusted, the plurality of cutter wheels 53 are all positioned in the width of the thermal paper, thereby facilitating the cutting of the two sides of the thermal paper when the thermal paper is subsequently cut by the plurality of cutter wheels 53, preventing the parts of the two sides of the thermal paper which are worn or extruded during the conveying process from being divided into the processed thermal paper product, facilitating the high-precision cutting of the thermal paper, and ensuring the processing quality of the thermal paper.

Referring to fig. 2 and 3, the two sides of the base 1 corresponding to the cutter shaft 51 are respectively in threaded connection with a tightening bolt 511, the end portions of the two tightening bolts 511 are respectively abutted against the corresponding end portions of the cutter shaft 51, the position of the cutter shaft 51 is adjusted, after the two lap bars 54 are rotated around the cutter shaft 51 in the direction away from the second friction roller 43, the cutter wheels 53 can be lapped on the second friction roller 43, and then the two tightening bolts 511 are screwed downwards, so that the cutter shaft 51 can be limited, the cutter shaft 51 is prevented from slipping or rotating, the normal cutting processing of the thermosensitive paper by the cutter wheels 53 is facilitated, and the processing quality of the thermosensitive paper is further ensured.

Referring to fig. 2 and 3, the first friction roller 42 is divided into a plurality of friction segments 422, and the plurality of friction segments 422 are slidably disposed along the width direction of the base 1, which facilitates the adjustment of the positions of the plurality of friction segments 422 according to the positions of the thermal paper and the cutter wheel 53, so that the plurality of friction segments 422 and the plurality of cutter wheels 53 are alternately disposed, and the friction segments 422 are not in contact with the cutting seam formed after the thermal paper is cut, so that the friction segments 422 drive the thermal paper to wind up the winding shaft 41, and simultaneously, the chips generated in the cutting process of the thermal paper are prevented from being attached to the first friction roller 42, and the chips of the thermal paper are coated on the thermal paper in the friction with the thermal paper, thereby affecting the quality of the processed product of the thermal paper.

Referring to fig. 1 and 2, a cleaning roller 44 is arranged below the first friction roller 42 and the second friction roller 43, a large number of bristles are connected to the outer wall of the cleaning roller 44, the bristles on the outer wall of the cleaning roller 44 are in contact with both the first friction roller 42 and the second friction roller 43, a cleaning driving member 441 is coaxially connected to the end of the cleaning roller 44, the cleaning driving member 441 may be a motor in the embodiment of the present application, and the cleaning driving member 441 drives the cleaning roller 44 to rotate in the opposite direction of the first friction roller 42, so that a small amount of thermal paper scraps possibly attached to the first friction roller 42 and the second friction roller 43 can be cleaned conveniently, and the processing quality of the thermal paper is further improved.

Referring to fig. 2 and 3, the waste material wheels 531 with a smaller radius than the radius of the cutter wheel 53 are connected to both sides of the cutter wheel 53, so that waste materials cut from both sides of the thermal paper can be conveniently conducted out of the base 1 through the waste material wheels 531, and can be recycled without winding the waste materials onto the winding shaft 41, and the narrow thermal paper waste materials are prevented from being warped to both sides when being wound on the winding shaft 41 to have a larger radius, thereby causing adverse effects on winding of two sections of thermal paper finished products.

The implementation principle of the high-precision die cutting equipment for the thermal paper provided by the embodiment of the application is as follows: wear to establish to unreeling roller 21 on the thermal paper roll of treating processing, aerify unreeling roller 21, make the thermal paper roll be fixed in unreeling roller 21 on, arrange unreeling roller 21 in two material loading claws 22, start material loading driving piece 231, material loading driving piece 231 drives material loading claw 22 and rotates, promote unreeling roller 21 to two limiting plates 24 on, with two sets of hasps 241 lock, can be with unreeling roller 21 spacing to base 1 on the spindle nose, accomplish the material loading of thermal paper roll promptly.

The thermal paper on the thermal paper roll is stretched and penetrates through the conveying rollers 3, and is erected on the first friction roller 42 and the second friction roller 43, two ends of the winding shaft 41 are respectively embedded into the two sliding assemblies 6, and the thermal paper can be pressed by the winding shaft 41. The limiting rod 55 is sequentially arranged at the centers of the knife flywheel 53 in a penetrating manner, so that the knife flywheel 53 is coaxially arranged, and the position of the knife holder 52 is adjusted, so that the space between the knife flywheel 53 is equal to the width of the required thermal paper.

The two attachment rods 54 are rotated around the cutter shaft 51, so that the two attachment rods 54 are closer to the second friction roller 43 relative to the plurality of cutter wheels 53, the two attachment rods 54 are all attached to the second friction roller 43, the cutter shaft 51 can be moved in the width direction of the base 1, the positions of the plurality of cutter wheels 53 are adjusted, the plurality of cutter wheels 53 are all located within the width of the thermal paper, the two attachment rods 54 are rotated in the direction away from the second friction roller 43, the plurality of cutter wheels 53 are attached to the thermal paper, the two abutting bolts 511 can be screwed downwards into the base 1, the cutter shaft 51 is limited, and the adjustment of the plurality of cutter wheels 53 is completed.

The thermal paper can be cut by pulling the cutter wheels 53, the cut thermal paper is adhered to the winding shaft 41, the uncut thermal paper is partially cut off, the winding driving part 421 can be started, the cut thermal paper is wound on the winding shaft 41, waste materials on two sides of the thermal paper are arranged on the corresponding waste material wheels 531 and are conveyed out of the base 1, the cleaning driving part 441 is started, the cleaning roller 44 rotates in the opposite direction relative to the first friction roller 42, the first friction roller 42 and the second friction roller 43 are cleaned, when the thermal paper wound on the winding shaft 41 reaches the required radius, the cutting can be suspended, the thermal paper is cut off, the winding shaft 41 is taken off from the two sets of sliding assemblies 6, and then the narrower thermal paper rolls are taken off, so that the cutting processing of the thermal paper is completed.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a high accuracy cross cutting equipment of temperature sensing paper which characterized in that: including base (1), be equipped with unwinding mechanism (2) that are used for unreeling the temperature-sensitive paper, a plurality of transfer rollers (3) that are used for conveying the temperature-sensitive paper respectively along the direction of transfer of temperature-sensitive paper on base (1) to and rolling subassembly (4) that are used for rolling the temperature-sensitive paper, rolling subassembly (4) are including parallel arrangement's first friction roller (42), second friction roller (43) and rolling axle (41), base (1) width direction's both sides in first friction roller (42) with top between second friction roller (43) is connected with a pair of subassembly (6) that slide from top to bottom in the vertical direction of rolling axle (41) that is used for restricting, rolling subassembly (4) orientation one side of unwinding mechanism (2) is equipped with cutting assembly (5) that are used for cutting the temperature-sensitive paper, cutting assembly (5) include a plurality ofly with tangent break bar (53) of second friction roller (43), and the cutter shaft (51) penetrates through the base (1) and slides along the width direction of the base (1), and a plurality of cutter seats (52) used for installing the cutter wheels (53) are fixed on the cutter shaft (51).

2. The high-precision die cutting equipment for the thermal paper as claimed in claim 1, wherein: the two ends of the cutter shaft (51) are respectively provided with an embedded ring (541) in an enclosing manner, the two embedded rings (541) are respectively embedded and connected with an engaging rod (54), and the two engaging rods (54) are respectively arranged on the second friction roller (43) in an overlapping manner.

3. The high-precision die cutting equipment for the thermal paper as claimed in claim 1, wherein: a limiting rod (55) penetrates through the centers of the cutter wheels (53) together, and scales are arranged on the limiting rod (55).

4. The high-precision die cutting equipment for the thermal paper as claimed in claim 1, wherein: the two side surfaces of the knife flywheel (53) are coaxially connected with waste material wheels (531) with the radius smaller than that of the knife flywheel (53).

5. The high-precision die cutting equipment for the thermal paper as claimed in claim 1, wherein: first friction roller (42) divide into a plurality of sections friction section (422), and a plurality of friction section (422) all follow base (1) width direction sets up that slides.

6. The high-precision die cutting equipment for the thermal paper as claimed in claim 1, wherein: a cleaning roller (44) penetrates through the base (1) below the first friction roller (42) and the second friction roller (43), and the first friction roller (42) and the second friction roller (43) are tangent to the cleaning roller (44).

7. The high-precision die cutting equipment for the thermal paper as claimed in claim 1, wherein: unwinding mechanism (2) including being used for placing thermal paper roll unreel roller (21) and fix being used for the bearing of base (1) both sides unreel limiting plate (24) of roller (21), two all be equipped with hasp (241) on limiting plate (24).

8. The high-precision die cutting equipment for the thermal paper as claimed in claim 1, wherein: the unwinding mechanism (2) further comprises two feeding claws (22) which are respectively and rotatably arranged on two sides of the base (1), and two groups of rotating assemblies (23) which are respectively used for driving the two feeding claws (22); the rotating assembly (23) comprises a feeding driving piece (231), a driving gear (232) coaxially connected with the feeding driving piece (231), a driven gear (233) coaxially connected with the feeding claw (22), and a chain (234) meshed and matched with the driving gear (232) and the driven gear (233).

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