CN220242814U - Die cutting mechanism of digital printing machine - Google Patents

Abstract

The utility model relates to the technical field of digital printers and discloses a die cutting mechanism of a digital printer, which comprises a U-shaped conveying frame, wherein a conveying belt is arranged in the U-shaped conveying frame, a plurality of transverse avoidance grooves and a plurality of longitudinal avoidance grooves are formed in the outer surface of the conveying belt, a transverse die cutting assembly and a longitudinal die cutting assembly are arranged at the top of the U-shaped conveying frame, the transverse die cutting assembly comprises a U-shaped fixed plate, a U-shaped movable plate capable of moving up and down is arranged in the U-shaped fixed plate, a rotating shaft is rotationally connected between the front side and the rear side of the inner wall of the U-shaped movable plate, and a plurality of first cutters which are arranged in front and rear equidistance are arranged on the outer wall of the rotating shaft. This digital printer cross cutting mechanism drives a plurality of first cutters through the axis of rotation and rotates, carries out horizontal cross cutting to label paper, and through lead screw drive movable block back-and-forth movement, drive second cylinder, cutter installation shell and the synchronous back-and-forth movement of second cutter through the movable block, make the second cutter carry out vertical cross cutting to the label paper after the crosscut.

Description

Die cutting mechanism of digital printing machine

Technical Field

The utility model relates to the technical field of digital printers, in particular to a die cutting mechanism of a digital printer.

Background

The digital printer is a printing device for directly printing images or characters on paper or other media by utilizing a digital technology, has the advantages of high efficiency, flexibility, individuation and the like, and is widely applied to the fields of labels, packaging, publishing and the like. Digital printers typically require die cutting mechanisms to cut the printed paper in shape to meet different design requirements.

The utility model discloses a printing machine cross cutting device of publication number CN206242665U, its technical scheme main points are including the frame, the cross cutting rule roller of being connected with the frame rotation and the cross cutting backing roll of being connected with the frame rotation, cross cutting rule roller is parallel with the axis of cross cutting backing roll and set up directly over the cross cutting backing roll, the below of cross cutting backing roll is provided with film roller and lower film roller on being parallel with cross cutting rule roller axis, the winding has the backing film on film roller and the lower film roller, through the contact with cross cutting backing roll from the top of cross cutting backing roll, be provided with film roller pivoted traction mechanism on the drive in the frame, reached the effect that can improve the life of die cutting rule roller.

In the use process of the prior art, the die cutter roller can drive the plurality of cutting edges to rotate to carry out die cutting treatment on the printed matter, but the prior art can only carry out transverse die cutting on the printed matter, so that the printed matter can be die-cut into a plurality of parts according to proportion, when the digital printer prints labels, the labels are printed into a whole, the whole label paper is required to be transversely die-cut and longitudinally die-cut, so that the label paper is cut into a plurality of parts, the subsequent packaging and use are facilitated, and the prior art can not meet the die cutting requirement of the label paper after the digital printing.

Disclosure of Invention

The utility model aims to provide a die cutting mechanism of a digital printer, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

the die cutting mechanism of the digital printer comprises a U-shaped conveying frame, wherein a conveying belt is arranged in the U-shaped conveying frame, a plurality of transverse avoidance grooves which are arranged in a front-back equidistant manner are formed in the outer surface of the conveying belt and are used for avoiding a plurality of first cutters, so that the first cutters can transversely die-cut label paper, a plurality of longitudinal avoidance grooves which are arranged in a left-right equidistant manner are formed in the outer surface of the conveying belt and are used for avoiding a second cutter, and the second cutter longitudinally die-cuts the label paper, so that the label paper is cut into a plurality of parts, and the label paper can be conveniently packaged and used subsequently;

the top of the U-shaped conveying frame is provided with a transverse die-cutting assembly and a longitudinal die-cutting assembly, the transverse die-cutting assembly is positioned at the left side of the longitudinal die-cutting assembly, the transverse die-cutting assembly comprises a U-shaped fixing plate, a U-shaped movable plate capable of moving up and down is arranged in the U-shaped fixing plate, a rotating shaft is rotationally connected between the front side and the rear side of the inner wall of the U-shaped movable plate, the outer wall of the rotating shaft is provided with a plurality of first cutters which are arranged in a front-rear equidistant manner, the heights of the plurality of first cutters can be adjusted through the U-shaped movable plate, so that a user can conveniently pass label paper from the lower side of the first cutters, and the plurality of first cutters are driven to rotate through the rotating shaft to transversely die-cut the label paper;

the longitudinal die cutting assembly comprises two fixing support plates which are arranged in a front-back symmetrical mode, the top ends of the fixing support plates are connected with a rectangular cross beam together, a rectangular sliding groove is formed in the bottom of the rectangular cross beam, a moving block capable of moving back and forth is arranged in the rectangular sliding groove, a second air cylinder is arranged at the bottom of the moving block, a cutter mounting shell is fixedly connected to the end portion of a movable rod of the second air cylinder, a second cutter is rotationally connected to the cutter mounting shell, a driving motor for driving the second cutter to rotate is arranged on the left side of the cutter mounting shell, the second air cylinder, the cutter mounting shell and the second cutter are driven to move back and forth synchronously through the moving block, the second cutter is driven to rotate through the driving motor, and therefore the second cutter can longitudinally die-cut tag paper after transverse cutting.

Preferably, a third servo motor is arranged at the rear side of the U-shaped conveying frame through a mounting seat, the end part of an output shaft of the third servo motor penetrates through the rear side of the U-shaped conveying frame and is coaxially connected with the rear end of one rotating shaft in the conveying belt, and the conveying belt is driven to drive through the third servo motor, so that the conveying belt drives the label paper to move rightwards.

Preferably, a first air cylinder is arranged in the middle of the top of the U-shaped fixed plate, and the end part of the movable rod of the first air cylinder penetrates through the top of the U-shaped fixed plate and is fixedly connected to the middle of the top of the U-shaped movable plate, and the U-shaped movable plate is driven to move up and down through the first air cylinder.

Preferably, the front side and the rear side of the inner wall of the U-shaped fixing plate are respectively provided with a strip-shaped chute, and the front side and the rear side of the U-shaped moving plate are respectively provided with a positioning slide block, and the two positioning slide blocks are respectively and slidably connected in the two strip-shaped chutes, so that the U-shaped moving plate can stably move up and down.

Preferably, the outer wall of the rotating shaft and the position close to the front end are provided with driven wheels, the top of the U-shaped moving plate and the position close to the front end are provided with first servo motors through mounting seats, the end parts of output shafts of the first servo motors are coaxially connected with driving wheels, the driving wheels are in transmission connection with the driven wheels through transmission belts, the driving wheels are driven to rotate through the first servo motors, and the driving wheels drive the driven wheels to rotate through the transmission belts, so that the driven wheels drive the rotating shaft to rotate.

Preferably, a screw rod is rotationally connected between the front side and the rear side of the inner wall of the rectangular sliding groove, the moving block is in threaded connection with the outer wall of the screw rod, a second servo motor is arranged on the rear side of the rectangular cross beam through a mounting seat, the end part of an output shaft of the second servo motor penetrates through the rear side of the rectangular cross beam and is coaxially connected with the screw rod, the screw rod is driven to rotate through the second servo motor, and the moving block is driven to move back and forth through the screw rod.

Preferably, the two opposite sides of the fixed support plate and the positions close to the bottom are respectively provided with a fixed convex plate, the two tops of the fixed convex plates are respectively provided with a third cylinder, the ends of the movable rods of the third cylinders penetrate through the tops of the fixed convex plates, the two ends of the movable rods of the third cylinders are jointly connected with a positioning pressing plate, the tops of the positioning pressing plates are provided with strip-shaped avoidance holes, the bottoms of the positioning pressing plates are provided with rubber pads with shape matched with each other, the positioning pressing plates are driven to move through the two third cylinders, so that the positioning pressing plates are pressed against longitudinally cut label paper, the label paper is prevented from shifting when the second cutter works, and the quality of longitudinal die cutting is ensured.

The utility model has the remarkable technical effects due to the adoption of the technical scheme:

1. this digital printer cross cutting mechanism drives U-shaped movable plate through first cylinder and reciprocates, can adjust the height of a plurality of first cutters through U-shaped movable plate to the user passes the label paper from the below of first cutter, and through first servo motor drive action wheel rotation, the action wheel passes through drive belt and drives from the driving wheel rotation, thereby makes from the driving wheel drive axis of rotation, drives a plurality of first cutters rotation through the axis of rotation, carries out horizontal cross cutting to the label paper.

2. This digital printer cross cutting mechanism, it rotates to drive the lead screw through the second servo motor, through lead screw drive movable block back and forth movement, drive second cylinder through the movable block, cutter installation shell and the synchronous back and forth movement of second cutter, adjust the height of second cutter through the second cylinder, drive motor drive second cutter rotates, thereby make the second cutter carry out vertical cross cutting to the label paper after the crosscut, drive the location clamp plate through two third cylinders and remove, make the location clamp plate compress tightly the label paper of waiting to slitter, avoid label paper to take place the aversion at the during operation of second cutter, ensure the quality of vertical cross cutting.

3. This digital printer cross cutting mechanism through seting up a plurality of horizontal grooves of dodging at the surface of conveyer belt, can dodge a plurality of first cutters, makes first cutter can carry out horizontal cross cutting to the label paper, sets up a plurality of vertical grooves of dodging at the surface of conveyer belt, can dodge the second cutter, makes the second cutter carry out vertical cross cutting to the label paper to make the label paper cut into multiple copies, so that follow-up packing and use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a transverse die cutting assembly of the present utility model;

fig. 3 is a schematic view of a longitudinal die-cutting assembly according to the present utility model.

The names of the parts indicated by the numerical references in the drawings are as follows: 1. a U-shaped conveying frame; 2. a conveyor belt; 20. a transverse avoidance groove; 21. a longitudinal avoidance groove; 3. a transverse die cutting assembly; 30. a U-shaped fixing plate; 300. a strip-shaped chute; 31. a U-shaped moving plate; 310. positioning a sliding block; 32. a rotating shaft; 320. driven wheel; 33. a first cutter; 34. a first cylinder; 35. a first servo motor; 36. a driving wheel; 37. a drive belt; 4. a longitudinal die cutting assembly; 40. a fixed support plate; 400. fixing the convex plate; 41. a rectangular cross beam; 410. rectangular sliding grooves; 42. a screw rod; 43. a moving block; 44. a second cylinder; 45. a cutter mounting shell; 46. a second cutter; 47. a drive motor; 48. a third cylinder; 49. positioning a pressing plate; 490. a strip-shaped avoidance hole; 40a, rubber pads; 41b, a second servo motor; 5. and a third servo motor.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

Example 1

1-3, the die cutting mechanism of the digital printer comprises a U-shaped conveying frame 1, wherein a conveying belt 2 is arranged in the U-shaped conveying frame 1, a plurality of transverse avoidance grooves 20 which are arranged at equal intervals in the front-back direction are formed in the outer surface of the conveying belt 2 and are used for avoiding a plurality of first cutters 33, so that the first cutters 33 can transversely die-cut label paper, a plurality of longitudinal avoidance grooves 21 which are arranged at equal intervals in the left-right direction are formed in the outer surface of the conveying belt 2 and are used for avoiding a second cutter 46, and the second cutter 46 longitudinally dies the label paper, so that the label paper is cut into a plurality of parts, and the label paper can be conveniently packaged and used later;

the top of the U-shaped conveying frame 1 is provided with a transverse die-cutting assembly 3 and a longitudinal die-cutting assembly 4, the transverse die-cutting assembly 3 is positioned at the left side of the longitudinal die-cutting assembly 4, the transverse die-cutting assembly 3 comprises a U-shaped fixed plate 30, a U-shaped movable plate 31 capable of moving up and down is arranged in the U-shaped fixed plate 30, a rotating shaft 32 is rotatably connected between the front side and the rear side of the inner wall of the U-shaped movable plate 31, the outer wall of the rotating shaft 32 is provided with a plurality of first cutters 33 which are arranged in a front-rear equidistant manner, the heights of the plurality of first cutters 33 can be adjusted through the U-shaped movable plate 31, so that a user can conveniently pass label paper from the lower side of the first cutters 33, and the rotating shaft 32 drives the plurality of first cutters 33 to rotate to transversely die-cut the label paper;

the longitudinal die-cutting assembly 4 comprises two fixed support plates 40 which are arranged in a front-back symmetrical mode, the top ends of the two fixed support plates 40 are connected with a rectangular cross beam 41 together, a rectangular chute 410 is formed in the bottom of the rectangular cross beam 41, a movable block 43 capable of moving back and forth is arranged in the rectangular chute 410, a second air cylinder 44 is arranged at the bottom of the movable block 43, the end part of a movable rod of the second air cylinder 44 is fixedly connected with a cutter mounting shell 45, a second cutter 46 is rotationally connected with the cutter mounting shell 45, a driving motor 47 for driving the second cutter 46 to rotate is arranged on the left side of the cutter mounting shell 45, the second air cylinder 44, the cutter mounting shell 45 and the second cutter 46 are driven to synchronously move back and forth through the movable block 43, the second cutter 46 is driven to rotate through the driving motor 47, and therefore the second cutter 46 carries out longitudinal die-cutting on the transversely-cut label paper.

In this embodiment, the rear side of the U-shaped conveying frame 1 is provided with a third servo motor 5 through a mounting seat, and the end of the output shaft of the third servo motor 5 passes through the rear side of the U-shaped conveying frame 1 and is coaxially connected with the rear end of one rotating shaft in the conveying belt 2, and the conveying belt 2 is driven to drive through the third servo motor 5, so that the conveying belt 2 drives the label paper to move rightwards.

Specifically, a first cylinder 34 is disposed in the middle of the top of the U-shaped fixed plate 30, and the end of the movable rod of the first cylinder 34 passes through the top of the U-shaped fixed plate 30 and is fixedly connected to the middle of the top of the U-shaped movable plate 31, and drives the U-shaped movable plate 31 to move up and down through the first cylinder 34.

Further, the front and rear sides of the inner wall of the U-shaped fixing plate 30 are provided with the bar-shaped sliding grooves 300, the front and rear sides of the U-shaped moving plate 31 are provided with the positioning sliding blocks 310, and the two positioning sliding blocks 310 are respectively slidably connected in the two bar-shaped sliding grooves 300, so that the U-shaped moving plate 31 stably moves up and down.

Further, a driven wheel 320 is arranged on the outer wall of the rotating shaft 32 and close to the front end, a first servo motor 35 is arranged on the top of the U-shaped moving plate 31 and close to the front end through a mounting seat, the end part of an output shaft of the first servo motor 35 is coaxially connected with a driving wheel 36, the driving wheel 36 is in transmission connection with the driven wheel 320 through a transmission belt 37, the driving wheel 36 is driven to rotate through the first servo motor 35, the driving wheel 36 drives the driven wheel 320 to rotate through the transmission belt 37, and accordingly the driven wheel 320 drives the rotating shaft 32 to rotate.

Further, a screw rod 42 is rotatably connected between the front side and the rear side of the inner wall of the rectangular chute 410, the moving block 43 is in threaded connection with the outer wall of the screw rod 42, a second servo motor 41b is arranged at the rear side of the rectangular cross beam 41 through a mounting seat, the end part of the output shaft of the second servo motor 41b penetrates through the rear side of the rectangular cross beam 41 and is coaxially connected with the screw rod 42, the screw rod 42 is driven to rotate through the second servo motor 41b, and the moving block 43 is driven to move back and forth through the screw rod 42.

Further, the opposite side surfaces of the two fixed support plates 40 and the positions close to the bottoms are respectively provided with a fixed convex plate 400, the tops of the two fixed convex plates 400 are respectively provided with a third cylinder 48, the ends of movable rods of the third cylinders 48 penetrate through the tops of the fixed convex plates 400, the ends of movable rods of the two third cylinders 48 are jointly connected with a positioning pressing plate 49, the tops of the positioning pressing plates 49 are provided with strip-shaped avoidance holes 490, the bottoms of the positioning pressing plates 49 are provided with rubber pads 40a with matched shapes, the positioning pressing plates 49 are driven to move through the two third cylinders 48, so that the positioning pressing plates 49 compress label paper to be longitudinally cut, the label paper is prevented from shifting when the second cutter 46 works, and the quality of longitudinal die cutting is ensured.

When the die cutting mechanism of the digital printing machine of this embodiment is used, a user places the digitally printed label paper on the conveying belt 2, and aligns the position of the label paper to be die-cut with the transverse avoidance groove 20 and the longitudinal avoidance groove 21, then, the conveying belt 2 drives the label paper to move rightwards, meanwhile, the first air cylinder 34 drives the U-shaped moving plate 31 to move downwards, the bottom ends of the plurality of first cutters 33 respectively move into the plurality of transverse avoidance grooves 20, the first servo motor 35 drives the driving wheel 36 to rotate, the driving wheel 36 drives the driven wheel 320 to rotate through the driving belt 37, so that the driven wheel 320 drives the rotating shaft 32 to rotate, and then, the plurality of first cutters 33 rotate, the moving label paper is subjected to transverse die cutting, when the position of the label paper to be longitudinal die-cut after the transverse die cutting is moved to the position of the second cutters 46, the conveying belt 2 temporarily works, the two third air cylinders 48 drive the positioning pressing plate 49 to move downwards, the label paper after the transverse die cutting is pressed, then the second servo motor 41b works, the driving screw rod 42 drives the moving block 43 to move forwards and backwards, the second cutter 46 is driven by the moving block 43 to drive the second air cylinder 45 and the second cutter 46 to rotate, and then, the label paper is subjected to transverse die cutting 46 is driven by the second servo motor 46 to rotate, and the second cutter 46 is adjusted to rotate, and the label paper is subjected to transverse die cutting 46 to transverse cutting by the second cutter 46 is adjusted.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (7)

1. The utility model provides a digital printer cross cutting mechanism, includes U-shaped carriage (1), its characterized in that: the utility model discloses a movable cross beam, which is characterized in that a conveying belt (2) is arranged in a U-shaped conveying frame (1), a plurality of transverse avoidance grooves (20) which are arranged in a front-back equidistant way are formed in the outer surface of the conveying belt (2), a plurality of longitudinal avoidance grooves (21) which are arranged in a left-right equidistant way are formed in the outer surface of the conveying belt (2), a transverse die-cutting assembly (3) and a longitudinal die-cutting assembly (4) are arranged at the top of the U-shaped conveying frame (1), the transverse die-cutting assembly (3) is positioned at the left side of the longitudinal die-cutting assembly (4), the transverse die-cutting assembly (3) comprises a U-shaped fixed plate (30), a U-shaped movable plate (31) which can move up and down is arranged in the U-shaped fixed plate (30), a rotating shaft (32) is connected between the front side and the rear side of the inner wall of the U-shaped movable plate (31), a plurality of first cutters (33) which are arranged in the front-back equidistant way are arranged on the outer wall of the rotating shaft (32), the longitudinal die-cutting assembly (4) comprises two fixed support plates (40) which are arranged in a front-back symmetrical way, the top ends of the fixed support plates (40) are connected together in the rectangular mode, a rectangular sliding groove (43) is formed in the bottom of a rectangular cross beam (41), a movable cross beam (43) which can move in a rectangular cross beam (41) and a movable cross beam (43), the end part of the movable rod of the second air cylinder (44) is fixedly connected with a cutter mounting shell (45), a second cutter (46) is rotationally connected to the cutter mounting shell (45), and a driving motor (47) for driving the second cutter (46) to rotate is arranged on the left side of the cutter mounting shell (45).

2. The digital printer die cutting mechanism of claim 1, wherein: the rear side of the U-shaped conveying frame (1) is provided with a third servo motor (5) through a mounting seat, and the end part of an output shaft of the third servo motor (5) penetrates through the rear side of the U-shaped conveying frame (1) and is coaxially connected with the rear end of one rotating shaft in the conveying belt (2).

3. The digital printer die cutting mechanism of claim 1, wherein: the middle part at the top of the U-shaped fixed plate (30) is provided with a first air cylinder (34), and the end part of the movable rod of the first air cylinder (34) penetrates through the top of the U-shaped fixed plate (30) and is fixedly connected with the middle part at the top of the U-shaped movable plate (31).

4. The digital printer die cutting mechanism of claim 1, wherein: the strip-shaped sliding grooves (300) are formed in the front side and the rear side of the inner wall of the U-shaped fixing plate (30), positioning sliding blocks (310) are arranged in the front side and the rear side of the U-shaped moving plate (31), and the two positioning sliding blocks (310) are respectively and slidably connected into the two strip-shaped sliding grooves (300).

5. The digital printer die cutting mechanism of claim 1, wherein: the outer wall of the rotating shaft (32) and the position close to the front end are provided with driven wheels (320), the top of the U-shaped movable plate (31) and the position close to the front end are provided with first servo motors (35) through mounting seats, the end parts of output shafts of the first servo motors (35) are coaxially connected with driving wheels (36), and the driving wheels (36) are in transmission connection with the driven wheels (320) through transmission belts (37).

6. The digital printer die cutting mechanism of claim 1, wherein: the screw rod (42) is rotationally connected between the front side and the rear side of the inner wall of the rectangular sliding groove (410), the moving block (43) is in threaded connection with the outer wall of the screw rod (42), a second servo motor (41 b) is arranged on the rear side of the rectangular cross beam (41) through a mounting seat, and the end part of an output shaft of the second servo motor (41 b) penetrates through the rear side of the rectangular cross beam (41) and is coaxially connected with the screw rod (42).

7. The digital printer die cutting mechanism of claim 1, wherein: the two opposite sides of fixed backup pad (40) and the position that is close to the bottom all are equipped with fixed flange (400), two the top of fixed flange (400) all is equipped with third cylinder (48), the tip of third cylinder (48) movable rod runs through the top of fixed flange (400), two the tip of third cylinder (48) movable rod is connected with location clamp plate (49) jointly, bar shape dodges hole (490) have been seted up at the top of location clamp plate (49), the bottom of location clamp plate (49) is equipped with rubber pad (40 a) of shape looks adaptation.