CN210393039U - Printing machine convenient to material loading - Google Patents

Abstract

The utility model discloses a printing machine convenient to material loading belongs to the technical field of printing equipment, including the printing machine body, one side fixedly connected with base that the printing machine body is close to the feed inlet, base top fixedly connected with backup pad, backup pad one end is connected with feed mechanism, backup pad one end has seted up the support cambered surface, the backup pad is kept away from the one end of supporting the cambered surface and is rotated and connected with the conveying axle, the backup pad top surface has seted up main conveying groove, cup jointed the main track that sets up along main conveying groove length direction jointly on backup pad and the conveying axle; the supporting plate is provided with a first air exhaust groove, the supporting plate is fixedly connected with a first air exhaust fan, and the first air exhaust fan is communicated with the inside of the first air exhaust groove; the inside cylinder body that is close to the position fixedly connected with push-and-pull cylinder of first groove one side of bleeding of backup pad, fixedly connected with is on a parallel with the shielding plate of backup pad on push-and-pull cylinder's the piston rod, the utility model discloses two paper separations that simple efficient will stack from top to bottom and carry the effect in the material loading mouth have.

Description

Printing machine convenient to material loading

Technical Field

The utility model belongs to the technical field of lithography apparatus's technique and specifically relates to a printing machine convenient to material loading is related to.

Background

At present, a printing machine is common printing equipment which is required by most printing factories and is used for printing paper materials with different sizes, in the using process of the printing machine, firstly, piled paper needs to be spread by a feeding mechanism, the paper needs to be arranged into a mutually partially overlapped state, and the paper is conveyed to a feeding port of the printing machine through a conveying belt, so that the feeding of the printing machine is realized.

In the prior art, reference can be made to a Chinese patent with an authorization publication number of CN208881342U, and an energy-saving split printing machine is disclosed, which relates to the field of printing. This energy-saving run-flat printing machine, including the printing machine body, the bottom of printing machine body is provided with the transport plate, the well side fixed mounting of transport plate inner chamber has the fixed block, the equal fixedly connected with extension spring in both ends of fixed block, and two extension spring's one end fixed mounting respectively have fixed establishment, fixed establishment includes the baffle, the bottom welding of baffle has the connecting rod, the bottom fixed mounting of connecting rod has the slider, the slide bar has all been welded to the left and right sides of fixed block, and the one end of two slide bars respectively with one side fixed mounting of transport plate inner chamber.

The above prior art solutions have the following drawbacks: the printing machine can only allow one paper to enter the feeding hole at each time, and for the current situation that two papers are stacked, a printing factory mostly adopts a side blowing method to blow the two papers apart, but because the method does not have a sufficient limiting mechanism for the papers, the two papers are separated, and the situation that the stability of paper conveying is influenced by the fact that the papers are blown askew easily occurs at the same time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a printing machine convenient to material loading can realize that two paper separations that simple efficient will stack from top to bottom and carry the effect in the material loading mouth.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a printing machine convenient for feeding comprises a printing machine body, wherein a feeding hole is formed in one side of the printing machine body, a base is fixedly connected to one side, close to the feeding hole, of the printing machine body, a supporting plate is fixedly connected to the top of the base, a feeding mechanism capable of stacking and pushing paper to the supporting plate is connected to one end, far away from the printing machine body, of the supporting plate, a supporting arc surface with the circle center located inside the supporting plate is formed in one end of the supporting plate, the end, far away from the supporting arc surface, of the supporting plate is rotatably connected with a conveying shaft, a conveying motor is fixedly connected to the supporting plate, and the conveying shaft is fixedly connected; the top surface of the supporting plate is provided with a main conveying groove arranged along the length direction of the supporting plate, and the position of the supporting plate close to the main conveying groove and the conveying shaft are jointly sleeved with a main crawler belt arranged along the length direction of the main conveying groove; a first air exhaust groove is formed in the position, close to the printer body, of the supporting plate, a first air exhaust fan is fixedly connected to the position, corresponding to the first air exhaust groove, of the supporting plate, and the first air exhaust fan is communicated with the interior of the first air exhaust groove; the cylinder body of the push-pull cylinder is fixedly connected to the position, close to one side of the first air exhaust groove, in the supporting plate, a shielding plate parallel to the supporting plate is fixedly connected to a piston rod of the push-pull cylinder, and the push-pull cylinder can push the shielding plate to cover the cross section of the first air exhaust groove.

Through adopting above-mentioned scheme, when using, feed mechanism can put into the paper that stacks one part in order into the state of stacking on the one after and with paper propelling movement to the backup pad, at this moment, the paper can move to the direction that is close to the feed inlet along the conveying of main track, at this moment, start push-and-pull cylinder and first air exhauster, first air exhauster drives the air current and can inhale the back paper of its below in backup pad top surface a short period of time when preceding paper advances along main track, until push-and-pull cylinder drives the cross section that the shielding plate blocked first air suction groove, the second paper can continue to slide, so on and so on, thereby the paper that will stack is propelling movement to the feed inlet in proper order.

The utility model discloses further set up to: the utility model discloses a multi-functional air exhaust device, including main track, backup pad, second air exhaust end cover, backup pad top surface, second air exhaust end cover, a plurality of ventilation holes have been seted up on the face of main track, the backup pad is inside to be close to the position department of material loading has seted up the second air exhaust groove, the second air exhaust trench in the backup pad corresponds the position department of main track below, the backup pad top surface is close to the fixedly connected with second air exhaust end cover of position department of second air exhaust groove, the second air exhaust end cover has seted up a plurality of ventilation holes, the backup pad corresponds the fixedly connected with second air exhauster of position department of second air exhaust groove one side, the second.

Through adopting above-mentioned scheme, after the paper passes through first air extraction groove, the convulsions effect of the second air exhauster in the second air extraction groove can promote the air on main track surface to pass through the through-hole downstream to adsorb the paper on main track, and then the guarantee paper slides along with the speed of main track forward.

The utility model discloses further set up to: the supporting plate is provided with auxiliary conveying grooves which are parallel to the main conveying grooves and correspond to the positions of the two sides of the main conveying grooves, and the positions, close to the auxiliary conveying grooves, of the supporting plate are sleeved with auxiliary tracks together with the outer sides of the conveying shafts.

Through adopting above-mentioned scheme, when printing great paper, can drag paper both sides through supplementary conveyer belt, prevent that paper both sides frictional force is great and lead to the paper to take place to incline when the paper only slides along with main track.

The utility model discloses further set up to: the supporting plate is characterized in that a cross beam is connected to the top face of the supporting plate in a sliding mode, the cross beam is arranged along the width direction of the base, the cross beam can slide in the length direction of the supporting plate, and the position, corresponding to each cross beam, above the auxiliary crawler belt is rotatably connected with a height limiting wheel. The height limiting wheels can be abutted to the top surfaces of the corresponding auxiliary tracks.

Through adopting above-mentioned scheme, at the in-process of supplementary track conveying paper, limit for height wheel can rotate along with supplementary track, and the guarantee paper can pass through the position of crossbeam, simultaneously, presses the paper in limit for height wheel below, plays the effect that prevents the paper perk.

The utility model discloses further set up to: and an elastic rubber layer is sleeved outside the height limiting wheel.

Through adopting above-mentioned scheme, the elasticity on rubber layer can effectively reduce the limit for height wheel to the wearing and tearing of paper to improve the roughness of paper, thereby realize improving the effect of the stability of printing machine printing, ensured equipment steady operation.

The utility model discloses further set up to: the supporting plate corresponds the equal fixedly connected with in position department at crossbeam both ends follows the slide bar that the supporting plate length direction set up, equal sliding connection has the roof beam slider on the slide bar, crossbeam both ends respectively fixed connection in on the roof beam slider, be connected with the fixed establishment who is used for fixed beam position on the roof beam slider.

Through adopting above-mentioned scheme, when needs removal crossbeam, the removal of crossbeam position is realized to the slip of accessible roof beam slider on the slide bar, when needs fix the crossbeam, accessible fixed establishment fixes the crossbeam on the assigned position.

The utility model discloses further set up to: the sliding rod is provided with a plurality of vertically arranged insertion holes, the insertion holes are arranged along the length direction of the sliding rod in an array mode, the fixing mechanism comprises a fixing block connected to the beam sliding block in a sliding mode, the position, corresponding to the insertion holes, of the beam sliding block is provided with vertically arranged fixing holes, the fixing block is connected to the fixing holes in a sliding mode, the fixing block can be inserted into the insertion holes when sliding downwards, and one end, far away from the insertion holes, of the fixing block is fixedly connected with a fixing handle extending out of the beam sliding block.

Through adopting above-mentioned scheme, when needs walking beam, mention fixed handle, extract the fixed block from the spliced eye, just can realize walking beam's effect, when needs are fixed, promote fixed handle downwards, peg graft the fixed block and just can realize the function in suitable spliced eye.

The utility model discloses further set up to: the fixed block is close to the one end fixedly connected with spring of fixed handle, the one end fixed connection that the spring kept away from the fixed block in the roof beam slider is close to the position department of fixed orifices, the spring gives the fixed block to the power that the spliced eye direction removed.

Through adopting above-mentioned scheme, when needs fixed cross beam, only need loosen fixed handle, the fixed block just can be under the effect of spring downstream and insert and connect in suitable spliced eye, realizes the effect of efficient fixed cross beam, uses manpower sparingly.

The utility model discloses further set up to: the cross beam is sleeved with a wheel sliding block, the height limiting wheel is rotatably connected to one end, close to the supporting plate, of the wheel sliding block, and one end, far away from the height limiting wheel, of the wheel sliding block is in threaded connection with a bolt perpendicular to the plane where the supporting plate is located.

Through adopting above-mentioned scheme, when adapting to the not paper of equidimension, accessible roller skate slides limit for height wheel on the crossbeam, to less paper, can carry out the limit for height to paper to limit for height wheel slip main track top, when the fixed limit for height wheel position of needs, the position that screws up the bolt and just can fix the limit for height wheel.

The utility model discloses further set up to: the printing machine body is close to fixedly connected with polylith overhead gage in the position department of feed inlet top, every the overhead gage by be close to the one end of printing machine body is to keeping away from the direction tilt up setting of printing machine body, the overhead gage with be formed with the paper space that supplies paper to pass through between the backup pad.

Through adopting above-mentioned scheme, go up the baffle and can ensure that the paper can follow the feed inlet and get into when the paper is about to get into the feed inlet, reduce the probability that the condition of paper perk takes place when getting into the feed inlet to guarantee the stability of equipment operation.

To sum up, the utility model discloses following beneficial effect has:

1. the effect of separating and sequentially conveying the paper with the overlapped part to the feed inlet of the printer body can be realized simply and efficiently;

2. the stability of equipment operation can be effectively guaranteed, and the efficiency of equipment operation is improved;

3. the damage to the paper in the operation process of the equipment is reduced, so that the printing quality is guaranteed.

Drawings

FIG. 1 is an overall schematic view of the present embodiment;

FIG. 2 is a partial sectional view of a protruding transfer shaft structure in an embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a partial cross-sectional view of a protruding second pumping groove structure in an embodiment;

FIG. 5 is a partial cross-sectional view of a protruding first pumping groove structure in an embodiment;

FIG. 6 is a partial sectional view of a projecting beam structure of the embodiment;

fig. 7 is an enlarged view of portion B of fig. 6;

fig. 8 is an enlarged view of a portion C in fig. 6.

In the figure, 1, a printer body; 11. a feed inlet; 12. an upper baffle plate; 121. paper voids; 13. a feeding mechanism; 2. a base; 21. a support plate; 211. supporting the arc surface; 22. a transfer shaft; 221. a transfer motor; 222. a main transfer slot; 223. a main track; 2231. a through hole; 224. an auxiliary transfer slot; 225. an auxiliary track; 23. a first gas extraction tank; 231. a first exhaust fan; 232. a first exhaust pipe; 233. a first branch pipe; 234. a first pumping end cap; 235. an air exhaust hole; 236. a push-pull cylinder; 237. a shielding plate; 24. a second air extraction tank; 241. a second pumping end cap; 242. a vent hole; 243. a second exhaust fan; 244. a second exhaust pipe; 3. a height limiting mechanism; 31. a cross beam; 311. a slide bar; 312. a beam slider; 313. inserting holes; 32. a height limiting wheel; 321. a rubber layer; 322. a bolt; 323. a wheel slide; 33. a fixing mechanism; 331. a fixed block; 332. a fixing hole; 333. fixing a handle; 334. a spring.

Detailed Description

Example (b): the utility model provides a printing machine convenient to material loading, as shown in fig. 1 and 2, including printing machine body 1, feed inlet 11 has been seted up to printing machine body 1 one side, one side fixedly connected with base 2 that printing machine body 1 is close to feed inlet 11, base 2 top fixedly connected with is used for transmitting the backup pad 21 of paper by the one end that is close to printing machine body 1 to the direction tilt up setting of keeping away from printing machine body 1, the one end fixedly connected with that printing machine body 1 was kept away from to base 2 can stack the paper and propelling movement feed mechanism 13 to backup pad 21. When the automatic paper feeding device is used, the feeding mechanism 13 arranges the piled paper into a front-back stacked state and transmits the paper to the supporting plate 21, and the supporting plate 21 can convey the paper to the feeding port 11 of the printing machine body 1 for printing.

As shown in fig. 1 and fig. 2, one end of the supporting plate 21 away from the printing machine body 1 is provided with a supporting arc surface 211 with a circle center located inside the supporting plate 21. One end of the support plate 21 near the printer body 1 is rotatably connected with a conveying shaft 22 arranged along the width direction of the support plate 21. A transmission motor 221 is fixedly connected to the supporting plate 21 at a position corresponding to one end of the transmission shaft 22, and the transmission shaft 22 is fixedly connected to an output shaft of the transmission motor 221. The top surface of the support plate 21 is provided with a main conveying groove 222 arranged along the length direction of the support plate, and the position of the support plate 21 close to the main conveying groove 222 and the conveying shaft 22 are sleeved with a main crawler 223 arranged along the length direction of the main conveying groove 222. Auxiliary conveying grooves 224 arranged in parallel with the main conveying grooves 222 are formed in positions, corresponding to the two sides of the main conveying grooves 222, of the supporting plate 21, and auxiliary tracks 225 are sleeved on positions, close to the auxiliary conveying grooves 224, of the supporting plate 21 and the outer side of the conveying shaft 22. When the sheet is transferred from the feeding mechanism 13 to the supporting plate 21, the main caterpillar 223 and the auxiliary caterpillar 225 are driven by the transfer shaft 22 to convey the sheet toward the feeding port 11 of the printing press body 1.

As shown in fig. 3, a plurality of through holes 2231 are opened in the surface of the main crawler 223. The through-holes 2231 allow air to flow up and down the main track 223.

As shown in fig. 4 and 5, a second air exhaust groove 24 is formed in a position close to the loading position inside the support plate 21, the second air exhaust groove 24 is located at a position below the support plate 21 corresponding to the main track 223, a second air exhaust end cover 241 is fixedly connected to a position close to the second air exhaust groove 24 on the top surface of the support plate 21, a plurality of air vents 242 are formed in the second air exhaust end cover 241, a second air exhaust fan 243 is fixedly connected to a position on one side of the support plate 21 corresponding to the second air exhaust groove 24, a second air exhaust pipe 244 is fixedly connected to a position close to the second air exhaust fan 243 inside the support plate 21, one end of the second air exhaust pipe 244 is fixedly connected to the second air exhaust fan 243, and the other end of the second air exhaust pipe is fixedly connected to a position close to. When the paper is located on the main track 223, the air flow generated by the second exhaust fan 243 can make the air on the surface of the main track 223 flow downwards to adsorb the paper on the surface of the main track 223, so that the paper can be propelled along with the speed of the main track 223.

As shown in fig. 5 and 6, a plurality of first air-extracting grooves 23 are formed in the supporting plate 21 at a position close to one end of the printing machine body 1, and the first air-extracting grooves 23 are respectively located at positions of the supporting plate 21 corresponding to two sides of the main conveying groove 222. The first air exhauster 231 of position department fixedly connected with of backup pad 21 side corresponding first air exhauster 23 one side, the inside first exhaust column 232 of position department fixedly connected with of first air exhauster 231 that is close to of backup pad 21, the one end fixed connection of first exhaust column 232 is on first air exhauster 231, first exhaust column 232 is close to the equal first minute 233 of fixedly connected with in position department of two first air exhauster 23, the one end that first exhaust column 232 was kept away from to first minute 233 is fixed connection respectively in backup pad 21 position department of being close to two first air exhauster 23, first minute 233 all communicates corresponding first air exhauster 23 and first exhaust tube. The top surface of the supporting plate 21 is fixedly connected with a first air exhaust end cover 234 at a position close to the first air exhaust groove 23, and a plurality of air exhaust holes 235 are formed in the first air exhaust end cover 234. The cylinder body of the push-pull cylinder 236 is fixedly connected to the position of the inner side of the support plate 21 close to the first pumping end cover 234, and the piston rod of the push-pull cylinder 236 is arranged along the width direction of the support plate 21. A shielding plate 237 parallel to the supporting plate 21 is fixedly connected to the piston rod of the push-pull cylinder 236. The push-pull cylinder 236 can push the shielding plate 237 to cover the cross section of the first air suction groove 23. When paper passes through the position above the first air suction groove 23, the push-pull cylinder 236 drives the shielding plate 237 to slide open, so that the paper can be sucked in the air flow direction downward from the air suction hole 235, the two sheets of paper are pulled apart a little distance, the push-pull cylinder 236 drives the shielding plate 237 to shield the air suction hole 235, the paper can break away from the suction force and continuously slide forward, and the reciprocating operation is performed, so that the part of every two sheets of paper stacked together is separated, and the effect of enabling the single paper to enter the feed opening 11 is achieved.

As shown in fig. 6 and 7, a height limiting mechanism 3 capable of allowing paper to pass therethrough and preventing the paper from being lifted is attached to the support plate 21. Height limiting mechanism 3 includes crossbeam 31 of sliding connection in backup pad 21 top surface top, and crossbeam 31 sets up along the width direction of base 2, and crossbeam 31 can slide in the length direction of backup pad 21, and crossbeam 31 corresponds the equal rotation in position department above every supplementary track 225 and is connected with height limiting wheel 32. The height limiting wheel 32 is sleeved with an elastic rubber layer 321. The height-limiting wheels 32 can each abut the top surface of the corresponding auxiliary track 225. The beam 31 is sleeved with a wheel sliding block 323, the height limiting wheel 32 is rotatably connected to one end of the wheel sliding block 323 close to the support plate 21, and one end of the wheel sliding block 323 far away from the height limiting wheel 32 is in threaded connection with a bolt 322 which is perpendicular to the plane of the support plate 21. At the in-process of supplementary track 225 conveying paper, limit for height wheel 32 can rotate along with supplementary track 225, and the guarantee paper can pass through the position of crossbeam 31, simultaneously, presses the paper in limit for height wheel 32 below, plays the effect that prevents the paper perk, is carrying out the printing in-process of equidimension paper not, can adjust the position of limit for height wheel 32 according to the paper size to the position of adaptation paper.

As shown in fig. 6 and 8, the supporting plate 21 is fixedly connected with a sliding rod 311 disposed along the length direction of the supporting plate 21 at a position corresponding to both ends of the cross beam 31, and the sliding rod 311 is slidably connected with a beam sliding block 312. The sliding rod 311 is provided with a plurality of vertically arranged plugging holes 313, and the plugging holes 313 are arranged in an array along the length direction of the sliding rod 311. The two ends of the beam 31 are respectively fixedly connected to the beam sliding blocks 312. The beam slider 312 is connected to the fixing mechanism 33. The fixing mechanism 33 includes a fixing block 331 slidably connected to the beam sliding block 312, and a fixing hole 332 vertically disposed is formed at a position of the beam sliding block 312 above the insertion hole 313. The fixing block 331 is slidably connected in the fixing hole 332, and the fixing block 331 can be inserted into the insertion hole 313 when sliding downwards. One end of the fixing block 331 far away from the insertion hole 313 is fixedly connected with a fixing handle 333 extending out of the beam sliding block 312. A spring 334 is fixedly connected to one end of the fixing block 331 close to the fixing handle 333, one end of the spring 334 far from the fixing block 331 is fixedly connected to the position of the beam sliding block 312 close to the fixing hole 332, and the spring 334 gives a force for moving the fixing block 331 towards the insertion hole 313. According to the thickness of paper, can pull out fixed handle 333, move crossbeam 31 to apart from feed inlet 11 suitable position to the spacing validity of guarantee limit for height wheel 32 to the paper, when moving suitable position, fixed block 331 can be pegged graft in spliced eye 313 under the effect of spring 334, thereby realizes the effect of fixed crossbeam 31 position.

Referring back to fig. 4, a plurality of upper baffles 12 are fixedly connected to the upper portion of the printing machine body 1 near the feed inlet 11, each upper baffle 12 is disposed by inclining upward from one end near the printing machine body 1 to a direction far away from the printing machine body 1, and a paper gap 121 for paper to pass through is formed between the upper baffle 12 and the supporting plate 21.

The use method comprises the following steps: when the paper feeding device is used, paper is conveyed to the supporting plate 21 in a stacked state from the feeding mechanism 13, the paper is sucked on the main track 223 by the downward air flow of the main track 223 and slides towards the feeding hole 11, when the paper slides to the position of the first air suction groove 23, the air flow speed of the second air suction groove 24 is low, the suction force to the paper is smaller than that of the first air suction groove 23, the paper is sucked in place by the first air suction groove 23 for a while, the paper can continue to slide until the shielding plate 237 blocks the surface of the first air suction groove 23 under the driving of the push-pull air cylinder 236, and the previous paper and the next paper are separated through the pause time, so that the paper can enter the feeding hole 11 one by one paper, and the height limiting wheel 32 can press the paper on the supporting plate 21 to avoid the paper from tilting.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a printing machine convenient to material loading, includes printing machine body (1), feed inlet (11) have been seted up to printing machine body (1) one side, printing machine body (1) is close to one side fixedly connected with base (2) of feed inlet (11), its characterized in that: the printing machine comprises a base (2), a supporting plate (21) is fixedly connected to the top of the base (2), one end, far away from the printing machine body (1), of the supporting plate (21) is connected with a feeding mechanism (13) capable of stacking and pushing paper to the position above the base (2), a supporting arc surface (211) with the circle center located inside the supporting plate (21) is arranged at one end of the supporting plate (21), one end, far away from the supporting arc surface (211), of the supporting plate (21) is rotatably connected with a conveying shaft (22), a conveying motor (221) is fixedly connected to the supporting plate (21), and the conveying shaft (22) is fixedly connected to an output shaft of the conveying motor (221);

a main conveying groove (222) arranged along the length direction of the supporting plate (21) is formed in the top surface of the supporting plate (21), and a main crawler belt (223) arranged along the length direction of the main conveying groove (222) is sleeved on the supporting plate (21) and the conveying shaft (22) at the position close to the main conveying groove (222);

a first air exhaust groove (23) is formed in the position, close to the printer body (1), of the supporting plate (21), a first air exhaust fan (231) is fixedly connected to the position, corresponding to the first air exhaust groove (23), of the supporting plate (21), and the first air exhaust fan (231) is communicated with the interior of the first air exhaust groove (23);

the cylinder body of a push-pull cylinder (236) is fixedly connected to the position, close to one side of the first air suction groove (23), in the supporting plate (21), a shielding plate (237) parallel to the supporting plate (21) is fixedly connected to a piston rod of the push-pull cylinder (236), and the push-pull cylinder (236) can push the shielding plate (237) to cover the cross section of the first air suction groove (23).

2. A printing press for facilitating loading according to claim 1, wherein: seted up a plurality of through-holes (2231) on the face of main track (223), backup pad (21) inside is close to the position department of material loading has seted up second air exhaust groove (24), second air exhaust groove (24) are located backup pad (21) correspond the position department of main track (223) below, backup pad (21) top surface is close to the position department fixedly connected with second air exhaust end cover (241) of second air exhaust groove (24), a plurality of ventilation holes (242) have been seted up on second air exhaust end cover (241), backup pad (21) correspond the position department fixedly connected with second air exhauster (243) of second air exhaust groove (24) one side, second air exhauster (243) with second air exhaust groove (24) inside intercommunication.

3. A printing press for facilitating loading according to claim 1, wherein: auxiliary conveying grooves (224) parallel to the main conveying grooves (222) are formed in positions, corresponding to the two sides of the main conveying grooves (222), of the supporting plate (21), and auxiliary tracks (225) are sleeved on positions, close to the auxiliary conveying grooves (224), of the supporting plate (21) and the outer side of the conveying shaft (22) together.

4. A printing press for facilitating loading according to claim 3, wherein: a cross beam (31) is connected above the top surface of the supporting plate (21) in a sliding manner, the cross beam (31) is arranged along the width direction of the base (2), the cross beam (31) can slide in the length direction of the supporting plate (21), and height limiting wheels (32) are rotatably connected at positions, corresponding to the upper parts of the auxiliary tracks (225), of the cross beam (31);

the height limiting wheels (32) can be abutted with the top surfaces of the corresponding auxiliary tracks (225).

5. A printing press for facilitating loading according to claim 4, wherein: and an elastic rubber layer (321) is sleeved on the outer side of the height limiting wheel (32).

6. A printing press for facilitating loading according to claim 4, wherein: the utility model discloses a fixed beam structure, including backup pad (21), crossbeam (31), slide bar (311), equal sliding connection in position department at crossbeam (31) both ends is followed backup pad (21) length direction sets up, equal sliding connection has roof beam slider (312) on slide bar (311), crossbeam (31) both ends respectively fixed connection in on the roof beam slider (312), be connected with fixed establishment (33) that are used for fixed crossbeam (31) position on roof beam slider (312).

7. A printing press for facilitating loading according to claim 6, wherein: the sliding rod (311) is provided with a plurality of vertically-arranged insertion holes (313), the insertion holes (313) are arranged in an array mode along the length direction of the sliding rod (311), the fixing mechanism (33) comprises a fixing block (331) connected to the beam sliding block (312) in a sliding mode, the beam sliding block (312) is provided with vertically-arranged fixing holes (332) at positions corresponding to the insertion holes (313), the fixing block (331) is connected to the fixing holes (332) in a sliding mode, the fixing block (331) can be inserted into the insertion holes (313) when sliding downwards, and one end, far away from the insertion holes (313), of the fixing block (331) is fixedly connected with a fixing handle (333) extending out of the beam sliding block (312).

8. A printing press for facilitating loading according to claim 7, wherein: one end, close to the fixed handle (333), of the fixed block (331) is fixedly connected with a spring (334), one end, far away from the fixed block (331), of the spring (334) is fixedly connected to the position, close to the fixed hole (332), of the beam sliding block (312), and the spring (334) provides force for the fixed block (331) to move towards the direction of the inserting hole (313).

9. A printing press for facilitating loading according to claim 4, wherein: a wheel sliding block (323) is sleeved on the cross beam (31), the height limiting wheel (32) is rotatably connected to one end, close to the supporting plate (21), of the wheel sliding block (323), and one end, far away from the height limiting wheel (32), of the wheel sliding block (323) is in threaded connection with a bolt (322) perpendicular to the plane where the supporting plate (21) is located.

10. A printing press for facilitating loading according to claim 1, wherein: the printing machine body (1) is close to fixedly connected with polylith overhead gage (12) is located to the position department of feed inlet (11) top, every overhead gage (12) are by being close to the one end of printing machine body (1) is to keeping away from the direction tilt up setting of printing machine body (1), overhead gage (12) with be formed with between backup pad (21) and supply paper space (121) that pass through.

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