CN114030920A

CN114030920A - Intelligent packaging printing machine based on full mechanical automation

Info

Publication number: CN114030920A
Application number: CN202111298417.7A
Authority: CN
Inventors: 王志文; 陈伟鹏; 王志泉; 肖莹美
Original assignee: Jiangsu Futai Machinery Technology Co ltd
Current assignee: Jiangsu Futai Machinery Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-02-11

Abstract

The invention relates to the technical field of full mechanical automation, in particular to an intelligent packaging printing machine based on full mechanical automation. According to the invention, through the matching of the vertical plate, the placing box and the placing plate, the printing paper to be fed can be limited, the pressing plate descends along with the matching of the movable groove and the movable plate and is attached to the printing paper in real time, the micro motor operates to drive the connecting shaft to rotate, the printing paper at the topmost layer is conveyed and advanced, and the effect of assisting in feeding is achieved.

Description

Intelligent packaging printing machine based on full mechanical automation

Technical Field

The invention relates to the technical field of full mechanical automation, in particular to an intelligent packaging printing machine based on full mechanical automation.

Background

The packaging printer is a printing device capable of printing required characters, patterns and other information on the surface of a box body of a packaging box, and generally comprises processes of plate loading, ink coating, stamping, paper conveying and the like. The carton printing generally includes a sheet printing machine, a color printing apparatus, a flexographic printing machine, a digital printing machine, a screen printing machine, etc., characters and images to be printed are first made into a printing plate, the printing plate is mounted on the printing machine, then ink is manually or indirectly coated on the printing plate where the characters and images are located, and then the printing plate is directly or indirectly transferred onto paper or other printing stocks, so that the same printed matter as the printing plate is copied.

However, the existing intelligent packaging printing machine based on full mechanical automation is not perfect in structure and has certain defects:

1. when using the printing machine to print the use, need the real-time material loading of operating personnel to handle, manual material loading is not only extravagant labour, also can't accomplish even material loading, has certain limitation.

2. After printing is finished, blanking processing needs to be carried out on the packaging carton, but the existing blanking structure is generally fixed in height, cannot be adjusted in height, cannot carry out blanking processing on different batches of packaging cartons at different angles, and causes certain inconvenience in blanking.

Disclosure of Invention

The invention aims to provide an intelligent packaging printing machine based on full mechanical automation.

In order to achieve the purpose, the invention adopts the following technical scheme:

an intelligent packaging printer based on full mechanical automation comprises an operation table, a printing device body, an extension plate, vertical plates, a placing box, a placing plate, control buttons, a movable groove, a movable plate, a pressing plate, a fixed groove, a roller, a connecting shaft, a clamping groove, a brush rod, cleaning bristles, a prompting lamp, a fixed column, a transmission wheel, a regulating rod, a rotating shaft, a fixed shaft, a sliding through hole, a regulating bolt, a balance block, a scale, dyeing floating oil, a balance ball, a motor, a fixed rod, a penetrating shaft, a transmission belt, a reciprocating screw rod, a sleeve, an extension block and a fan, wherein the top end of the operation table is provided with the printing device body, the extension plate is fixedly arranged at the bottom of the front side of the operation table, the vertical plates are fixedly connected to two sides of the top end of the extension plate, the placing box is arranged between the two vertical plates, four corners of the control buttons are fixedly arranged on the inner wall of the placing box, the four corners of the four control buttons are provided with the placing plate, the four corners of the bottom end of the placing plate are attached to the top end of the control button, and four prompt lamps are arranged on the front face of the printing device body.

Preferably, the movable grooves are formed in one side, adjacent to the two vertical plates, of the inner wall of each movable groove, the movable plates are fixedly connected to the inner wall of each movable groove, and the pressing plates are fixedly connected to the tops of the adjacent sides of the movable plates.

Preferably, the fixed slot has all been seted up to the bottom of two clamp plates, and the inside of two fixed slots all is equipped with the running roller, the equal fixedly connected with connecting axle in both ends of two running rollers, and wherein two connecting axles all run through one side and the fixedly connected with micro motor of adjacent fixed slot, and the one end of another connecting axle is rotated with one side of fixed slot inner wall and is connected.

Preferably, the draw-in groove has all been seted up to the both sides of two fixed slots, adjacent two the equal sliding connection of inner wall of draw-in groove has the brush-holder stud, and one side of two brush-holder studs is all fixed and is equipped with a plurality of clean brush hairs, and the outer wall of an adjacent set of clean brush hair all laminates with the outer wall of adjacent running roller mutually.

Preferably, the both sides at the back of operation panel top symmetry respectively are equipped with two fixed columns and two regulation poles, and the position of two regulation poles all corresponds with the position of adjacent fixed column, and two fixed columns and two adjacent one end of adjusting the pole all are equipped with the drive wheel, and the outer wall of two drive wheels is connected through the conveyer belt transmission that sets up, and one section adjacent of two fixed columns all is connected with the both ends rotation of one of them drive wheel.

Preferably, two equal sliding connection in one side that adjust the pole adjacent has the fixed axle, the equal fixedly connected with pivot of the adjacent one end of two fixed axles, the adjacent one end of two pivots all rotates with the both ends of another drive wheel and is connected, sliding through hole has all been seted up to two non-adjacent one sides of adjusting the pole, the one end of two fixed axles all is connected with adjacent sliding through hole's inner wall block, the equal fixedly connected with adjusting bolt of one end of two fixed axles, the equal fixedly connected with balancing piece in one side of two adjusting bolt outer walls, two equal fixed scales that are equipped with in one side of adjusting the pole.

Preferably, the inside of two balancing weights all is fixed and is equipped with dyeing and floating oil, and a plurality of balancing balls have all floated on the top of two dyeing and floating oil.

Preferably, printing device body one side fixed mounting has the motor, the equal fixedly connected with dead lever in the back of printing device body both sides, two adjacent one ends of dead lever are all rotated and are connected with reciprocal lead screw, one side and the fixedly connected with of dead lever are run through to the one end of reciprocal lead screw, the outer wall and the motor output end of running through the axle are connected through the drive belt transmission that sets up, the outer wall cover of reciprocal lead screw is equipped with the sleeve, telescopic one end fixedly connected with extension piece, the bottom fixed mounting of extension piece has the fan.

Preferably, four warning lights are respectively through the control button and the external power electric connection that set up, and one side of printing device body is equipped with control switch, and the motor is through the control switch and the external power electric connection that set up.

The invention has at least the following beneficial effects:

1. the invention can limit the printing paper to be fed by matching the vertical plate, the placing box and the placing plate, the press plate descends along with the matching of the movable groove and the movable plate and is attached to the printing paper in real time, the micro motor operates to drive the connecting shaft to rotate and convey and advance the printing paper at the topmost layer, the invention plays a role of assisting in feeding, if an operator cannot supervise in real time, when the fed packaging paper is toppled, the placing plate at the bottom is driven to generate angle change, so that the control button at one side of the placing plate is bounced, the light of the prompting lamp at one side of the placing plate is extinguished, the operator can quickly judge the state of the placed packaging paper by observing the state of the prompting lamp, the design not only saves labor force for feeding in real time, but also can quickly judge the state of the packaging paper, and the flexibility of the device is increased to a certain extent, more convenient to use.

2. According to the invention, through the matching of the adjusting rod, the rotating shaft, the fixing shaft and the adjusting bolt, the adjusting bolt is adjusted on the adjusting rod to drive one end of the fixing shaft, the rotating shaft and the driving wheel to be adjusted up and down, so that the conveying belt is driven to be raised and lowered in angle, the blanking processing at different angles can be carried out according to different batches of packaging paper during blanking, certain adjustability is realized, and whether the driving wheel is stable can be judged by observing whether the positions of the two balancing blocks on the scale are consistent or not through the matching of the balancing blocks and the scale, so that the stability during blanking is ensured, and the flexibility of the device is improved to a certain extent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the placing box, the placing plate and the control buttons;

FIG. 3 is a schematic view of the structure of the pressing plate

FIG. 4 is a schematic structural view of the operation table;

FIG. 5 is an enlarged view of a portion of FIG. 1;

FIG. 6 is a cross-sectional view of the balance weight;

fig. 7 is a partial enlarged view of fig. 4.

In the figure: 1. an operation table; 2. a printing device body; 3. an extension plate; 4. a vertical plate; 5. placing the box; 6. placing the plate; 7. a control button; 8. a movable groove; 9. a movable plate; 10. pressing a plate; 11. fixing grooves; 12. a roller; 13. a connecting shaft; 14. a card slot; 15. a brush bar; 16. cleaning the bristles; 17. a warning light; 18. fixing a column; 19. a driving wheel; 20. adjusting a rod; 21. a rotating shaft; 22. a fixed shaft; 23. a slide through hole; 24. adjusting the bolt; 25. a counterbalance; 26. a scale; 27. dyeing floating oil; 28. a balance ball; 29. a motor; 30. fixing the rod; 31. penetrating the shaft; 32. a transmission belt; 33. a reciprocating screw rod; 34. a sleeve; 35. a lengthening block; 36. a fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 7, the present invention provides a technical solution of an intelligent packaging printer based on full mechanical automation:

the first embodiment is as follows:

as shown in fig. 1-3, an intelligent packaging printer based on full mechanical automation comprises an operation table 1, a printing device body 2, an extension plate 3, a vertical plate 4, a placing box 5, a placing plate 6, a control button 7, a movable groove 8, a movable plate 9, a pressing plate 10, a fixed groove 11, a roller 12, a connecting shaft 13, a clamping groove 14, a brush rod 15, cleaning bristles 16, a warning light 17, a fixed column 18, a driving wheel 19, an adjusting rod 20, a rotating shaft 21, a fixed shaft 22, a sliding through hole 23, an adjusting bolt 24, a balance block 25, a scale 26, dyeing floating oil 27, a balance ball 28, a motor 29, a fixed rod 30, a penetrating shaft 31, a transmission belt 32, a reciprocating screw rod 33, a sleeve 34, an extension block 35 and a fan 36, wherein the printing device body 2 is installed at the top end of the operation table 1, the extension plate 3 is fixedly installed at the bottom of the front side of the operation table 1, the extension plate 3 is fixedly connected with the vertical plate 4 at both sides of the top end, a placing box 5 is arranged between two vertical plates 4, four corners of the inner wall of the placing box 5 are fixed and provided with control buttons 7, the top parts of the four control buttons 7 are provided with placing plates 6, four corners of the bottom end of each placing plate 6 are attached to the top ends of the control buttons 7, the front surface of the printing device body 2 is provided with four prompting lamps 17, the printing paper to be fed can be limited by arranging the vertical plates 4 and the placing boxes 5 to be matched with the placing plates 6, a pressing plate 10 descends along with the matching of a movable groove 8 and a movable plate 9 to be attached to the printing paper in real time, a micro motor operates to drive a connecting shaft 13 to rotate, the printing paper at the topmost layer is conveyed and advanced, the effect of auxiliary feeding is achieved, if an operator cannot supervise in real time, the placing plates 6 at the bottom are driven to change the angle when the feeding packaging paper is toppled, and the control buttons 7 at one side are bounced, make the warning light 17 light of one side of them extinguish, operating personnel can carry out the snap judgments to the state of the wrapping paper of placing through observing the state of warning light 17, and the labour of real-time material loading has not only been saved in this design, can also carry out the snap judgments to the state of wrapping paper, has increased the flexibility of device to a certain extent, convenient to use more.

The adjacent one side of two risers 4 has all been seted up movable groove 8, and the equal fixedly connected with fly leaf 9 of inner wall of two movable grooves 8, the equal fixedly connected with clamp plate 10 in top of the adjacent one side of two fly leaves 9. The matching of the movable plate 9 and the pressing plates 10 can limit the packing paper to be loaded, the bottom ends of the two pressing plates 10 are respectively provided with a fixed groove 11, the inside of each fixed groove 11 is provided with a roller 12, the two ends of each roller 12 are respectively and fixedly connected with a connecting shaft 13, wherein the two connecting shafts 13 respectively penetrate through one side of the adjacent fixed groove 11 and are fixedly connected with a micro motor, one end of the other connecting shaft 13 is rotatably connected with one side of the inner wall of the fixed groove 11, the arranged micro motor can drive the connecting shaft 13 to rotate, so as to play a role of auxiliary loading, when the connecting shaft 13 rotates to be close to the cleaning bristles 16, the connecting shaft 13 is contacted with the cleaning bristles 16, the dust stained on the connecting shaft 13 is effectively cleaned, the use efficiency of the connecting shaft 13 is improved, the two sides of the two fixed grooves 11 are respectively provided with a clamping groove 14, and the inner walls of the two adjacent clamping grooves 14 are respectively and slidably connected with a brush rod 15, a plurality of cleaning bristles 16 are fixedly arranged on one side of each of the two brush rods 15, and the outer walls of the adjacent groups of cleaning bristles 16 are attached to the outer walls of the adjacent rollers 12. The cooperation of the engaging groove 14 and the weight 25 enables the brush rod 15 to be disassembled, which facilitates the disposal of dust from the cleaning bristles 16 and facilitates the maintenance and replacement of the cleaning bristles 16.

Example two:

on the basis of the first embodiment, as shown in fig. 4-7, two fixing columns 18 and two adjusting rods 20 are symmetrically arranged on two sides of the back surface of the top end of the operating platform 1, the positions of the two adjusting rods 20 correspond to the positions of the adjacent fixing columns 18, driving wheels 19 are arranged at the adjacent ends of the two fixing columns 18 and the two adjusting rods 20, the outer walls of the two driving wheels 19 are in driving connection through arranged conveying belts, the adjacent sections of the two fixing columns 18 are in rotating connection with two ends of one of the driving wheels 19, and the adjusting bolts 24 are adjusted on the adjusting rods 20 through the matching of the arranged adjusting rods 20, rotating shafts 21, fixing shafts 22 and adjusting bolts 24, so that the fixing shafts 22, the rotating shafts 21 and one ends of the driving wheels 19 can be adjusted up and down, thereby driving the conveying belts to be raised and lowered in angle, and realizing the blanking process of different angles according to different batches of packing paper during blanking, has a certain adjustability, and can judge whether the driving wheel 19 is stable or not by observing whether the positions of the two balancing blocks 25 on the scale 26 are consistent or not through the matching of the balancing blocks 25 and the scale 26, thereby ensuring the stability during blanking, and improving the flexibility of the device to a certain extent, one sides of the two adjusting rods 20 adjacent to each other are both connected with a fixed shaft 22 in a sliding way, one ends of the two fixed shafts 22 adjacent to each other are both fixedly connected with a rotating shaft 21, one ends of the two rotating shafts 21 adjacent to each other are both rotatably connected with two ends of the other driving wheel 19, one sides of the two adjusting rods 20 not adjacent to each other are both provided with a sliding through hole 23, one ends of the two fixed shafts 22 are both connected with the inner wall of the adjacent sliding through hole 23 in a clamping way, one ends of the two fixed shafts 22 are both fixedly connected with adjusting bolts 24, one sides of the outer walls of the two adjusting bolts 24 are both fixedly connected with the balancing blocks 25, and one sides of the two adjusting rods 20 are both fixedly provided with the scale 26, through the matching of the balance blocks 25 and the scale 26, the height of adjustment can be determined more obviously, the two ends of the driving wheel 19 are kept stable, the occurrence of angular deviation is avoided, the dyeing floating oil 27 is fixedly arranged in each of the two balance blocks 25, a plurality of balance balls 28 float on the top ends of the two dyeing floating oil 27, because the balance blocks 25 are made of transparent materials, whether the balance blocks 25 are parallel can be judged by observing whether the angles of the balance balls 28 arranged in the balance blocks 25 are parallel to the horizontal line, so that the stability of the driving wheel 19 can be judged conveniently, a motor 29 is fixedly arranged on one side of the printing device body 2, fixing rods 30 are fixedly connected on the back surfaces of the two sides of the printing device body 2, the adjacent ends of the two fixing rods 30 are rotatably connected with reciprocating screw rods 33, one end of each reciprocating screw rod 33 penetrates through one side of the fixing rod 30 and is fixedly connected with a penetrating shaft 31, the outer wall of penetrating shaft 31 and the drive belt 32 transmission that the motor 29 output passes through the setting are connected, the outer wall cover of reciprocal lead screw 33 is equipped with sleeve 34, sleeve 34's one end fixedly connected with extension piece 35, the bottom fixed mounting of extension piece 35 has fan 36, four warning lights 17 are respectively through the control button 7 and the external power supply electric connection that set up, one side of printing device body 2 is equipped with control switch, motor 29 is through the control switch and the external power supply electric connection that set up.

The working principle is as follows: when the printing paper box is used, packaging paper to be printed is stably placed on the placing plate 6, the control button 7 is extruded to drive the four prompting lamps 17 to light to play a role in prompting a placing standard, the movable plate 9 and the pressing plate 10 slide in the movable groove 8 and extrude the packaging paper through the thickness of the placed packaging paper, when the packaging paper needs to be conveyed, a switch of the micro motor is turned on to drive the connecting shaft 13 to operate, the connecting shaft 13 rotates to drive the roller 12 to rotate to convey and advance the topmost printing paper, when an operator cannot perform real supervision, the bottom placing plate 6 is driven to change the angle when the loaded packaging paper is toppled, so that the control button 7 on one side of the packaging paper bounces, the prompting lamps 17 on one side of the packaging paper are turned off, and the operator can quickly judge the state of the placed packaging paper by observing the state of the prompting lamps 17, therefore, the loaded packing paper is quickly adjusted, the influence on the operation of the device is avoided, when different batches of packing paper are fed, the sliding fixing shaft 22 drives the rotating shaft 21 and the driving wheel 19 to move, the scale 26 is observed, after the paper needs to move to the required height, the fixing shaft 22 is fixed through the adjusting bolt 24, the effect of adjusting the height of the driving wheel 19 on one side is achieved, because the balance block 25 is made of transparent materials, whether the balance block 25 is parallel can be judged by observing whether the angle of the balance ball 28 arranged in the balance block 25 is parallel to the horizontal line, so that the stability of the balance block 25 and the driving wheel 19 can be conveniently judged, in the discharging process, a control switch of the motor 29 is turned on, the motor 29 runs through the penetrating shaft 31 through the matching of the driving belt 32 to drive the reciprocating screw rod 33 to rotate, the reciprocating screw rod 33 converts the rotary motion into the linear motion, and drives the sleeve 34 to run on the reciprocating screw rod 33, thereby driving the fan 36 arranged at the bottom to reciprocate during discharging, and playing a role in air drying the printed packaging paper again.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an intelligence packing printing machine based on full mechanical automation, including operation panel (1), printing device body (2), extension plate (3), riser (4), place box (5), place board (6), control button (7), activity groove (8), fly leaf (9), clamp plate (10), fixed slot (11), running roller (12), connecting axle (13), draw-in groove (14), brush-holder stud (15), clean brush hair (16), warning light (17), fixed column (18), drive wheel (19), adjust pole (20), pivot (21), fixed axle (22), slip through-hole (23), adjusting bolt (24), balancing piece (25), scale (26), dyeing float oil (27), balance ball (28), motor (29), dead lever (30), through shaft (31), drive belt (32), reciprocal lead screw (33), sleeve (34) Extension block (35) and fan (36), its characterized in that, printing device body (2) are installed on the top of operation panel (1), the positive bottom fixed mounting of operation panel (1) has extension plate (3), the equal fixedly connected with riser (4) in both sides on extension plate (3) top, two be equipped with between riser (4) and place box (5), the four corners of placing box (5) inner wall is all fixed that is equipped with control button (7), four the top of control button (7) is equipped with places board (6), the four corners of placing board (6) bottom is laminated with the top of control button (7) mutually, the front of printing device body (2) is equipped with four warning lights (17).

2. The intelligent packaging printing machine based on full mechanical automation as claimed in claim 1, wherein a movable groove (8) is formed in each of two adjacent sides of the vertical plate (4), a movable plate (9) is fixedly connected to each of the inner walls of the two movable grooves (8), and a pressing plate (10) is fixedly connected to each of the tops of the two adjacent sides of the movable plates (9).

3. The intelligent packaging printing machine based on full mechanical automation as claimed in claim 1, wherein fixing grooves (11) are formed at the bottom ends of the two pressing plates (10), rollers (12) are arranged inside the two fixing grooves (11), connecting shafts (13) are fixedly connected to both ends of the two rollers (12), wherein the two connecting shafts (13) penetrate through one side of the adjacent fixing groove (11) and are fixedly connected with micro motors, and one end of the other connecting shaft (13) is rotatably connected with one side of the inner wall of the fixing groove (11).

4. The intelligent packaging printing machine based on full mechanical automation as claimed in claim 1, wherein clamping grooves (14) are formed in two sides of each of the two fixing grooves (11), brush rods (15) are slidably connected to inner walls of two adjacent clamping grooves (14), a plurality of cleaning bristles (16) are fixedly arranged on one side of each of the two brush rods (15), and outer walls of a group of adjacent cleaning bristles (16) are attached to outer walls of adjacent rollers (12).

5. The intelligent packaging printing machine based on full mechanical automation as claimed in claim 1, wherein two fixing columns (18) and two adjusting rods (20) are symmetrically arranged on two sides of the back of the top end of the operating platform (1), the positions of the two adjusting rods (20) correspond to the positions of the adjacent fixing columns (18), driving wheels (19) are arranged at one ends of the two fixing columns (18) and the two adjusting rods (20), the outer walls of the two driving wheels (19) are in transmission connection through the arranged conveying belts, and the sections of the two fixing columns (18) which are adjacent to each other are in rotation connection with two ends of one of the driving wheels (19).

6. The intelligent packaging printing machine based on full mechanical automation as claimed in claim 1, the novel adjustable sliding rod is characterized in that one side of the adjusting rod (20) adjacent to the adjusting rod is connected with a fixing shaft (22) in a sliding mode, the other side of the adjusting rod (20) adjacent to the fixing shaft (22) is connected with a rotating shaft (21) in a sliding mode, the rotating shaft (21) adjacent to the rotating shaft is connected with two ends of another driving wheel (19) in a rotating mode, the adjusting rod (20) is connected with one side of the adjusting rod which is not adjacent to the adjusting rod in a sliding mode (23) and two ends of the fixing shaft (22) are connected with inner wall clamping of the adjacent sliding through hole (23) in a clamping mode, the adjusting rod is connected with an adjusting bolt (24) in a fixing mode, the adjusting bolt (24) is connected with a balance block (25) in an equal fixing mode on one side of the outer wall of the adjusting bolt (24) and a scale (26) is fixedly arranged on one side of the adjusting rod (20).

7. An intelligent packaging and printing machine based on full mechanical automation as claimed in claim 1, wherein the inside of each of the two balance blocks (25) is fixedly provided with dyeing floating oil (27), and a plurality of balance balls (28) float on the top end of each of the two dyeing floating oil (27).

8. The intelligent packaging printing machine based on full mechanical automation as claimed in claim 1, it is characterized in that one side of the printing device body (2) is fixedly provided with a motor (29), the back surfaces of two sides of the printing device body (2) are fixedly connected with fixing rods (30), one ends of the two fixing rods (30) which are adjacent are rotatably connected with reciprocating screw rods (33), one end of the reciprocating screw rod (33) penetrates through one side of the fixed rod (30) and is fixedly connected with a penetrating shaft (31), the outer wall of the penetrating shaft (31) is in transmission connection with the output end of the motor (29) through a transmission belt (32), the outer wall cover of reciprocal lead screw (33) is equipped with sleeve (34), the one end fixedly connected with extension block (35) of sleeve (34), the bottom fixed mounting of extension block (35) has fan (36).

9. The intelligent packaging and printing machine based on full mechanical automation as claimed in claim 1, wherein four prompting lamps (17) are electrically connected with an external power supply through set control buttons (7), a control switch is arranged on one side of the printing device body (2), and the motor (29) is electrically connected with the external power supply through the set control switch.