CN209973801U

CN209973801U - Printing equipment

Info

Publication number: CN209973801U
Application number: CN201920797590.3U
Authority: CN
Inventors: 陈克兵; 张庆丰
Original assignee: Shenzhen Xinchuanghong Printing And Packaging Co Ltd
Current assignee: Shenzhen Xinchuanghong Printing And Packaging Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-01-21
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a printing equipment, include: a body formed with a transfer platform; the conveying mechanism is arranged on the machine body and comprises side limit blocks arranged on two opposite sides of the conveying platform, and the side limit blocks form limit areas; draw the rule structure, locate the organism, and be located the one end of side stopper, draw the rule structure include with mainboard and the drawing gauge board that conveying platform flushed, the mainboard is equipped with the activity groove, draw gauge board slidable ground to locate in the activity groove, and can be close to or keep away from the side stopper. The utility model discloses it is crooked and skew to aim at preventing to take place when lithography apparatus carries out the paper and carries, improves the accuracy of lithography apparatus processing.

Description

Printing equipment

Technical Field

The utility model relates to a printing device technical field, in particular to lithography apparatus.

Background

Printing is a technique of transferring ink to the surface of a material such as paper, fabric, or leather by performing processes such as plate making, inking, and pressing on an original such as characters, pictures, or photographs, thereby mass-transferring the contents of the original. In paper printing and processing equipment or printed matter quality detection and code spraying equipment, paper or printed matter (namely paper printed with patterns and/or characters, hereinafter also referred to as paper for short) is often required to be continuously conveyed forwards by adopting a paper conveying device, so that the paper printing and processing equipment can accurately print the paper, and the printed matter quality detection and code spraying equipment can accurately detect the printed matter.

However, in the process of conveying paper by the paper conveying device in the existing printing and processing equipment, the paper is easy to be skewed and offset, and sometimes even to be wrinkled, so that the printing and processing accuracy of the paper printing and processing equipment is influenced, and the printing quality detection accuracy and the code spraying equipment detection accuracy are influenced.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lithography apparatus takes place crooked and skew when aiming at preventing that lithography apparatus from carrying out the paper and carrying, improves the accuracy of lithography apparatus processing.

In order to achieve the above object, the utility model provides a printing device includes:

a body formed with a transfer platform;

the conveying mechanism is arranged on the machine body and comprises side limit blocks arranged on two opposite sides of the conveying platform, and the side limit blocks form limit areas; and

draw the rule structure, locate the organism, and be located the one end of side stopper, draw the rule structure include with mainboard and the drawing gauge board that conveying platform flushed, the mainboard is equipped with the activity groove, draw gauge board slidable ground to locate in the activity groove, and can be close to or keep away from the side stopper.

Further, draw the rule structure still including connect in the drive assembly of organism with locate the side of mainboard draws the locating plate, drive assembly with the movable groove corresponds the setting, and with draw the rule board and connect, the side draw the locating plate with the one end of side stopper is just to setting up, drive assembly can drive draw the rule board and be close to or keep away from the side draws the locating plate.

Further, the driving assembly comprises a driving piece, a sliding rod and a sliding seat, the driving piece is arranged on the machine body, the sliding rod is connected with an output shaft of the driving piece and is located on one side, back to the main board, of the side pull positioning plate, the sliding seat is slidably sleeved on the sliding rod and accommodated in the movable groove, and the driving piece drives the sliding rod to drive the sliding seat and the pull gauge plate to be close to or far away from the side limit block.

Furthermore, the drawing gauge plate is provided with a plurality of adsorption holes arranged at intervals.

Furthermore, the side draws the locating plate to keep away from the one end of side stopper is equipped with the paper guide board, the paper guide board with the side draws the locating plate to be the contained angle setting.

Furthermore, the printing equipment further comprises a paper separating component arranged at one end, close to the side limit block, of the conveying platform, the paper separating component comprises a paper loosening blowing nozzle, a paper separating nozzle and a paper feeding nozzle which are arranged on the machine body, blowing holes are formed in the paper loosening blowing nozzle, the paper separating nozzle and the paper feeding nozzle, and the paper separating nozzle and the paper feeding nozzle are located between the paper loosening blowing nozzle and the side limit block and located on the same plane.

Further, transport mechanism is still including locating the side stopper is kept away from the pinch roller subassembly of branch paper subassembly one side, the pinch roller subassembly is including locating the mounting bracket of organism, can locate with swinging the pinch roller swing arm and two driven pinch rollers of mounting bracket, two driven pinch roller pass through the mount pad interval set up in the pinch roller swing arm, two driven pinch roller with the surface butt of conveying platform.

Furthermore, an annular groove is arranged on the circumferential surface of each driven pinch roller.

Furthermore, the conveying mechanism also comprises a driving roller component arranged on one side of the conveying platform, which is back to the side limit block, the driving roller component comprises a driving motor, a driving roller and two roller cylinder parts, the driving motor, the driving roller and the two roller cylinder parts are arranged on the machine body, the driving motor is in transmission connection with the driving roller, and the two roller cylinder parts are sleeved on the driving roller at intervals;

the conveying platform is provided with a pressing opening corresponding to each driven pressing wheel, each roller part is arranged corresponding to one driven pressing wheel, and each driven pressing wheel is abutted to the surface of the roller part through the pressing opening.

Furthermore, the conveying platform is further provided with a paper conveying plate, the paper conveying plate is located on one side, back to the side limiting block, of the pressing wheel assembly, the paper conveying plate is slidably provided with a plurality of paper stoppers arranged at intervals, and a limiting groove is formed between the paper stoppers and the paper conveying plate.

The printing equipment of the technical scheme of the utility model utilizes the cooperation of the two side limit blocks to realize the limit area by arranging the side limit blocks at the two opposite sides of the conveying platform, thereby realizing the limit of the paper and avoiding the paper from skewing and offsetting; further, through setting up at the conveying platform and drawing the rule structure, make the mainboard and the conveying platform of drawing the rule structure flush, and set up the activity groove at the mainboard, make draw rule board slidable locate the activity inslot, when the paper was removed to conveying platform, utilize and draw the rule board to adsorb the paper, and utilize and draw the rule board and slide in the activity inslot, and drive the paper and remove to the side stopper, thereby get into spacing region smoothly, realize spacing to the paper, further avoid the paper to take place crooked and skew, be favorable to improving the accuracy of lithography apparatus processing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the printing apparatus of the present invention;

FIG. 2 is a side view of an embodiment of the printing apparatus of the present invention;

fig. 3 is a top view of an embodiment of the printing apparatus of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied. In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a lithography apparatus 100.

Referring to fig. 1, fig. 2 and fig. 3, in an embodiment of the present invention, the printing apparatus 100 includes a body 1, a conveying mechanism 2 and a pull gauge structure 3, wherein the body 1 is formed with a conveying platform 11; the conveying mechanism 2 is arranged on the machine body 1, the conveying mechanism 2 comprises side limit blocks 21 arranged on two opposite sides of the conveying platform 11, and the side limit blocks 21 form limit areas; the pull gauge structure 3 is arranged on the machine body 1 and located at one end of the side limit block 21, the pull gauge structure 3 comprises a main board 31 and a pull gauge board 32 which are flush with the conveying platform 11, the main board 31 is provided with a movable groove 311, and the pull gauge board 32 is slidably arranged in the movable groove 311 and can be close to or far away from the side limit block 21.

In the present embodiment, the machine body 1 is used for supporting and mounting other components, and optionally, the machine body 1 is a rack, a base, a mounting plate, a conveying platform, or the like, which is not limited herein. It can be understood that the machine body 1 has a base body, a placing platform and a transferring platform, etc. arranged on the base body. Conveying mechanism 2 and draw rule structure 3 set up in the pedestal and/or the conveying platform of organism 1, so conveniently carry on spacingly to the paper that conveys on the conveying platform to avoid the paper to take place to be crooked and skew.

It can be understood that the side limiting block 21 can be fixed to the seat and/or the transmission platform of the machine body 1, for example, by welding or interference fit; the side limiting block 21 may also detachably locate the card on the seat and/or the transmission platform of the machine body 1, for example, by using a snap connection, a plug-in fit, a screw connection, or a pin connection, which is not limited herein. Of course, in order to adapt the printing apparatus 100 to different types and types of paper, the position of the side limiting blocks 21 on the seat body and/or the conveying platform of the machine body 1 can be adjusted, for example, an adjusting rod can be erected on the seat body and/or the conveying platform, and the two side limiting blocks 21 can be slidably disposed on the adjusting rod, so that the distance between the two side limiting blocks 21 can be adjusted, thereby adjusting the limiting area formed by the two side limiting blocks 21 on the conveying platform 11.

In this embodiment, the pull gauge structure 3 is arranged on the conveying platform 11 adjacent to the side limit block 21, and the main board 31 of the pull gauge structure 3 is matched with the pull gauge board 32, so that the paper on the conveying platform of the machine body 1 is further limited. It can be understood that the main board 31 of the pull gauge structure 3 is flush with the conveying platform 11, and the pull gauge board 32 is slidably disposed in the movable groove 311 by forming the movable groove 311 on the main board 31, so that the pull gauge board 32 can be close to or away from the side limit block 21 in the movable groove 311, and thus the paper on the conveying platform of the machine body 1 is driven to a limit area by the pull gauge board 32, and further skew and offset occur in comparison with the paper.

In this embodiment, the movable groove 311 may be a groove-shaped groove with a counter bore structure, a slide rail is disposed on the bottom wall of the movable groove 311, and the pull gauge plate 32 is provided with a slide groove matched with the slide rail, so that the pull gauge plate 32 slides in the movable groove 311. Of course, the movable slot 311 may also be a through slot structure, in this case, slide rails are erected on two opposite sides of the movable slot 311, and the pull gauge plate 32 is provided with a slide slot matched with the slide rails, so that the pull gauge plate 32 slides in the movable slot 311.

It will be appreciated that the pull gauge plates 32 are arranged flush with the transfer platform 11, i.e. the main plate 31 and the pull gauge plates 32 are in the same plane. Of course, in order to realize the automatic adjustment or sliding of the gauge pulling plate 32, a driving mechanism of an air cylinder or a motor matched with a lead screw may be arranged in the movable groove 311, and the automatic adjustment or sliding of the gauge pulling plate 32 is realized by controlling the air cylinder or the motor, so that the automation and the intelligence of the printing device 100 are improved.

The printing equipment 100 of the utility model arranges the side limit blocks 21 on the two opposite sides of the conveying platform 11, and realizes the limit area by matching the two side limit blocks 21, thereby realizing the limit on the paper and avoiding the paper from skewing and offsetting; further, through setting up at conveying platform 11 and drawing rule structure 3, make the mainboard 31 and the conveying platform 11 of drawing rule structure 3 flush, and set up movable groove 311 at mainboard 31, make draw rule board 32 locate movable groove 311 slidable, when the paper is removed to conveying platform, utilize and draw rule board 32 to adsorb the paper, and utilize and draw rule board 32 to slide in movable groove 311, and drive the paper and remove to side stopper 21, thereby get into spacing region smoothly, realize spacing to the paper, further avoid the paper to take place crooked and skew, be favorable to improving the accuracy of printing apparatus 100 processing.

Further, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the pull gauge structure 3 further includes a driving component 33 connected to the machine body 1 and a side pull positioning plate 34 disposed on the main plate 31, the driving component 33 is disposed corresponding to the movable groove 311 and connected to the pull gauge plate 32, the side pull positioning plate 34 is disposed opposite to one end of the side limiting block 21, and the driving component 33 can drive the pull gauge plate 32 to be close to or far from the side pull positioning plate 34.

As can be understood, by arranging the driving assembly 33, the driving assembly 33 is arranged corresponding to the movable slot 311 and is connected with the pull gauge plate 32, so that the automatic adjustment and control of the pull gauge plate 32 are realized; further, through setting up the side and pulling the locating plate 34 for when drive assembly 33 drives and pulls the gage plate 32 and be close to the side and pull the locating plate 34, the side is pulled the locating plate 34 and is realized spacingly to the paper, thereby makes things convenient for the paper to get into in the spacing region that side stopper 21 formed. Optionally, the side pull positioning plate 34 is disposed opposite to one end of the side limiting block 21, that is, the extending direction of the side pull positioning plate 34 and the extending direction of the side limiting block 21 are located on the same straight line.

Further, as shown in fig. 2 and fig. 3, in the present embodiment, the driving assembly 33 includes a driving element 331, a sliding rod 332 and a sliding seat 333, the driving element 331 is disposed on the machine body 1, the sliding rod 332 is connected to an output shaft of the driving element 331 and is located at a side of the main plate 31 opposite to the side pull positioning plate 34, the sliding seat 333 is slidably sleeved on the sliding rod 332 and is accommodated in the movable groove 311, and the driving element 331 drives the sliding rod 332 to drive the sliding seat 333 and the pull gauge plate 32 to approach or be away from the side limit block 21.

It can be understood that the driving element 331 may be a driving cylinder, and at this time, an expansion link of the driving cylinder is connected to the sliding rod 332, and the sliding rod 332 drives the sliding seat 333 to move; of course, an expansion link of the driving cylinder may be connected to the sliding seat 333, and the driving cylinder drives the sliding seat 333 to move along the sliding rod 332. In this embodiment, the driving element 331 is a motor, the sliding rod 332 is a screw rod, a thread is disposed on a surface of the screw rod, the sliding seat 333 is provided with a threaded hole, the sliding seat 333 is screwed on the screw rod, and the motor drives the screw rod to rotate forward or backward, so that the sliding seat 333 moves along the screw rod.

Specifically, the driving element 331 is fixed on the base of the machine body 1, the pull gauge plate 32 and/or the sliding seat 333 are/is located in the movable slot 311, and the sliding rod 332 may be rotatably disposed on the sidewall of the movable slot 311.

Further, as shown in fig. 1, in the present embodiment, the pull gauge plate 32 is provided with a plurality of suction holes 321 arranged at intervals. It can be understood, the setting of adsorbing hole 321 is favorable to drawing the rule board 32 and adsorbs the paper through adsorbing hole 321, also draws the rule board 32 to have the chamber that the intercommunication adsorbs hole 321, draws one side of rule board 32 to set up the gas port that the intercommunication holds the chamber, and the air pump passes through trachea and gas port intercommunication to breathe in through the air pump, make trachea cooperation adsorb hole 321, the realization draws the absorption of rule board 32 to the paper. When the sheet abuts against the side pull positioning plate 34, the air pump is supplied, so that the pull gauge plate 32 releases the sheet.

Further, as shown in fig. 1 and fig. 2, in this embodiment, a paper guide plate 35 is disposed at an end of the side pull positioning plate 34 away from the side limiting block 21, and the paper guide plate 35 and the side pull positioning plate 34 form an included angle. It can be understood that the arrangement of the paper guide plate 35 is beneficial to guiding the tilted paper into the main plate 31 and the pull gauge plate 32 of the pull gauge structure 3, and the paper is conveniently adsorbed by the pull gauge plate 32.

It can be understood that the paper guide plate 35 is disposed at one end of the side pull positioning plate 34 away from the side limiting block 21, and the paper guide plate 35 extends towards the direction away from the conveying platform 11, so that the paper guide plate 35 and the side pull positioning plate 34 form an included angle, that is, the paper guide plate 35 and the conveying platform 11 form a horn-shaped flaring structure. Of course, in order to effectively guide the paper guide 35, the paper guide 35 is vertically arranged with the side pull positioning plate 34 in the longitudinal direction.

Further, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the printing apparatus 100 further includes a paper separating assembly 4 disposed at an end of the conveying platform 11 adjacent to the side limiting block 21, the paper separating assembly 4 includes a paper releasing blowing nozzle 41, a paper separating nozzle 42 and a paper feeding nozzle 43 disposed on the machine body 1, the paper releasing blowing nozzle 41, the paper separating nozzle 42 and the paper feeding nozzle 43 are all provided with blowing holes 44, and the paper separating nozzle 42 and the paper feeding nozzle 43 are located between the paper releasing blowing nozzle 41 and the side limiting block 21 and located on the same plane.

It can be understood that the paper release blowing nozzle 41 is fixed on the seat body of the machine body 1 through a mounting plate or a mounting seat, and the paper release blowing nozzle 41 is communicated with the air pump through an air pipe. The side of the paper release blowing nozzle 41 facing the conveying platform 11 is provided with a blowing hole 44, so that when the air pump blows air, the paper release blowing nozzle 41 blows air through the blowing hole 44. It can be understood that the seat body of the machine body 1 is provided with a placing platform adjacent to the conveying platform 11, the placing platform is used for placing stacked paper, and the paper-loosening blowing nozzle 41 is used for blowing away the stacked paper, so that the blown-away single paper can be conveniently adsorbed by the paper separating nozzle 42 and the paper feeding nozzle 43.

In this embodiment, the blowing holes 44 are formed at one side of the paper separating nozzle 42 and one side of the paper feeding nozzle 43, the blowing holes 44 of the paper separating nozzle 42 and the paper feeding nozzle 43 are connected with the air pump through air pipes, and when the air pump exhausts air, the paper separating nozzle 42 and the paper feeding nozzle 43 are abutted against the surface of paper to generate negative pressure, so that paper adsorption is realized. It can be understood that, in order to conveniently transfer the paper to the conveying platform 11 by using the paper separating nozzle 42 and the paper feeding nozzle 43, the paper separating nozzle 42 and the paper feeding nozzle 43 are connected to a driving mechanism, and the driving mechanism can drive the paper separating nozzle 42 and the paper feeding nozzle 43 to move back and forth above the placing platform and the conveying platform 11. Alternatively, the driving mechanism may be a driving cylinder, or may be a driving mechanism of a motor and a lead screw, which is not limited herein.

Further, as shown in fig. 1 and fig. 2, in this embodiment, conveying mechanism 2 further includes a pinch roller assembly 22 disposed on one side of side limit block 21 away from paper separation assembly 4, pinch roller assembly 22 includes an installation frame 221 disposed on machine body 1, a pinch roller swing arm 222 and two driven pinch rollers 223 swingably disposed on installation frame 221, two driven pinch rollers 223 are disposed on pinch roller swing arm 222 through an installation seat interval, and two driven pinch rollers 223 are abutted to the surface of conveying platform 11.

It will be appreciated that by providing a puck assembly 22, driven puck 223 is facilitated to swing relative to mounting frame 221 or transfer platform 11 by puck swing arm 222. Further, driven pinch roller 223 rotationally installs on the mount pad, so when pinch roller swing arm 222 swings to driven pinch roller 223 and conveying platform 11 butt, during conveying platform 11's conveyer belt transmission, driven pinch roller 223 can rotate along conveying platform 11 to make the paper convey away between conveying platform 11's conveyer belt and driven pinch roller 223.

In this embodiment, the driven pinch roller 223 is disposed to facilitate the transportation and leveling of the paper on the transporting platform 11, thereby facilitating the accuracy and the aesthetic property of the paper printing.

Further, as shown in FIG. 1, in this embodiment, an annular groove 224 is formed on the circumferential surface of each driven pressure roller 223. It will be appreciated that the provision of the annular groove 224 facilitates the transfer of the paper while achieving a cushioning effect and also a leveling effect.

Further, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the conveying mechanism 2 further includes a driving roller assembly 23 disposed on a side of the conveying platform 11 opposite to the side limiting block 21, the driving roller assembly 23 includes a driving motor 231, a driving roller 232 and two roller cylinders 233 disposed on the machine body 1, the driving motor 231 and the driving roller 232 are in transmission connection, and the two roller cylinders 233 are sleeved on the driving roller 232 at intervals; the conveying platform 11 is provided with a pressing opening 12 corresponding to each driven pressing wheel 223, each roller part 233 is provided corresponding to one driven pressing wheel 223, and each driven pressing wheel 223 is abutted against the surface of the roller part 233 through the pressing opening 12.

It can be understood that, set up drive roller assembly 23 in the conveying platform 11 one side that is dorsad pinch roller assembly 22 for the roller portion 233 of drive roller assembly 23 and driven pinch roller 223 pass through the laminating mouth 12 butt, thereby when making things convenient for paper to pass through laminating mouth 12, roller portion 233 and driven pinch roller 223 cooperate and realize flattening and conveying to the paper. In this embodiment, the driving motor 231 drives the driving roller 232 to drive the roller portion 233 to rotate at a speed equal to or matched with the conveying speed of the conveying belt on the conveying platform 11, so as to prevent the paper from wrinkling due to different speeds. When the roller part 233 rotates, the driven pinch roller 223 is driven to rotate, so that the paper is conveniently conveyed.

Further, as shown in fig. 1 and fig. 2, in this embodiment, the conveying platform 11 is further provided with a paper conveying plate 13, the paper conveying plate 13 is located on a side of the pressing wheel assembly 22 opposite to the side limiting block 21, the paper conveying plate 13 is slidably provided with a plurality of paper stoppers 14 arranged at intervals, and a limiting groove is formed between the paper stoppers 14 and the paper conveying plate 13.

It can be understood that the paper feeding board 13 may be disposed on the conveying platform 11, or may be an independent structure flush with the conveying platform 11, and the conveyor belt of the conveying platform 11 is independent from the paper feeding board 13, so that the paper conveyed by the conveyor belt on the conveying platform 11 is conveniently conveyed onto the paper feeding board 13, and the paper is limited by the paper stopper 14 on the paper feeding board 13, and the paper is conveyed to the printing component of the printing apparatus 100 by the paper feeding board 13 for printing.

In the embodiment, the position of the paper stopper 14 on the paper feeding plate 13 is adjustable, so that the position distance of the paper stopper 14 on the paper feeding plate 13 can be adjusted according to the size of the paper, so as to be suitable for different paper conveying and printing limits. It can be understood that the paper feeding plate 13 is provided with a sliding groove, the paper stopper 14 is provided with a sliding rail and a limiting arc portion protruding from the sliding rail, the sliding rail of the paper stopper 14 can slide along the sliding groove of the paper feeding plate 13, and certainly, in order to avoid the random sliding of the paper stopper 14, the sliding groove on the paper feeding plate 13 is a through groove structure, and the sliding rail of the paper stopper 14 is set to be an inverted "T" structure or an "i" structure, which is not limited herein.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A printing apparatus, comprising:

a body formed with a transfer platform;

2. The printing apparatus as claimed in claim 1, wherein the pull gauge structure further includes a driving assembly connected to the body and a side pull positioning plate disposed on the main plate, the driving assembly is disposed corresponding to the movable slot and connected to the pull gauge plate, the side pull positioning plate is disposed opposite to one end of the side limiting block, and the driving assembly can drive the pull gauge plate to approach or be away from the side pull positioning plate.

3. The printing apparatus as claimed in claim 2, wherein the driving assembly includes a driving member, a sliding rod and a sliding seat, the driving member is disposed on the body, the sliding rod is connected to the output shaft of the driving member and is disposed on a side of the main board opposite to the side positioning plate, the sliding seat is slidably sleeved on the sliding rod and is received in the movable slot, and the driving member drives the sliding rod to drive the sliding seat and the drawing plate to move closer to or away from the side limiting block.

4. The printing apparatus of claim 2 wherein said pull gauge plate is provided with a plurality of spaced suction holes.

5. The printing apparatus as claimed in claim 2, wherein a paper guide plate is disposed at an end of the side pull positioning plate away from the side limiting block, and the paper guide plate and the side pull positioning plate form an included angle.

6. The printing apparatus as claimed in any one of claims 1 to 5, further comprising a paper separating assembly disposed at an end of the conveying platform adjacent to the side limiting block, wherein the paper separating assembly includes a paper releasing blowing nozzle, a paper separating nozzle and a paper feeding nozzle disposed on the body, the paper releasing blowing nozzle, the paper separating nozzle and the paper feeding nozzle are provided with blowing holes, and the paper separating nozzle and the paper feeding nozzle are located between the paper releasing blowing nozzle and the side limiting block and on a same plane.

7. The printing device as claimed in claim 6, wherein the conveying mechanism further comprises a pinch roller assembly disposed on one side of the side limiting block away from the paper separating assembly, the pinch roller assembly comprises a mounting frame disposed on the machine body, a pinch roller swing arm swingably disposed on the mounting frame, and two driven pinch rollers, the two driven pinch rollers are disposed on the pinch roller swing arm through a mounting seat at an interval, and the two driven pinch rollers abut against the surface of the conveying platform.

8. The printing apparatus of claim 7 wherein each driven roller has an annular groove formed in its circumferential surface.

9. The printing apparatus as claimed in claim 8, wherein the transport mechanism further includes a drive roller assembly disposed on a side of the transport platform facing away from the side edge limiting block, the drive roller assembly includes a drive motor disposed on the machine body, a drive roller and two roller portions, the drive motor is in transmission connection with the drive roller, and the two roller portions are sleeved on the drive roller at intervals;

10. The printing apparatus as claimed in claim 9, wherein the conveying platform further comprises a paper feeding plate, the paper feeding plate is located on a side of the pressing wheel assembly facing away from the side limiting blocks, the paper feeding plate is slidably provided with a plurality of spaced paper stoppers, and a limiting groove is formed between the paper stoppers and the paper feeding plate.