CN111776803B

CN111776803B - Printing equipment paper guide mechanism with excellent continuity

Info

Publication number: CN111776803B
Application number: CN202010695134.5A
Authority: CN
Inventors: 王磊
Original assignee: Tangshan Runfeng Printing Co ltd
Current assignee: Tangshan Runfeng Printing Co., Ltd
Priority date: 2020-07-19
Filing date: 2020-07-19
Publication date: 2021-12-03
Anticipated expiration: 2040-07-19
Also published as: CN111776803A

Abstract

The invention relates to the field of printing, in particular to a paper guide mechanism with excellent continuity for printing equipment, which comprises a guide frame member and unwinding members symmetrically arranged on the upper side and the lower side of the guide frame member, wherein the guide frame member comprises a concave guide frame, paper rollers symmetrically and rotatably connected to the upper side and the lower side of the front part of the concave guide frame through a first guide shaft, a conical guide groove body fixedly connected into the front part of the concave guide frame and a guide roller rotatably connected into the front part of the concave guide frame through a second guide shaft; according to the invention, the unreeling members are arranged in the up-and-down symmetry mode, after the paper rolls in one unreeling member are used, the other paper roll can continuously enter the guide frame member, so that the paper can be continuously unreeled without stopping the machine, and the printing efficiency is improved.

Description

Printing equipment paper guide mechanism with excellent continuity

Technical Field

The invention relates to the field of printing, in particular to a paper guide mechanism with excellent continuity for printing equipment.

Background

Printing machines are machines for printing text and images, modern printing machines generally consisting of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto paper or other printing material, so that the same printed matter as that of the printing plate can be reproduced.

At present, a printing equipment cylinder paper guide mechanism adopts two modes, wherein one mode is that a plurality of groups of paper strips with certain sizes are placed into a leading groove of the paper guide mechanism to realize continuous introduction of the paper strips into a printing machine; secondly, the roll paper is adopted and put on a guide shaft of a paper guide mechanism and continuously input into the printing machine, so that the roll paper is firstly cut into required sizes through a cutting mechanism in the printing machine; because the roll paper type paper guide mechanism is adopted, paper strips with different sizes can be cut according to requirements without ordering the paper strips with different sizes, and more large printing factories adopt the printing machines of the roll paper type paper guide mechanism.

But the following defects and shortcomings exist in the implementation process:

generally, after the roll paper is discharged, the machine needs to be stopped and the roll paper is charged again, so that the printing is interrupted, and the printing efficiency is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the paper guide mechanism with excellent continuity for the printing equipment, which can effectively solve the problem that the printing is interrupted and the printing efficiency is reduced because the roll paper needs to be stopped and then is reloaded after the roll paper is normally discharged in the prior art.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a printing equipment that possesses good continuity is with leading paper mechanism, sets up the unwinding component of downside on the guide frame component including guide frame component and symmetry, the guide frame component includes concave type guide frame, all rotates the paper roll of connecting the downside on concave type guide frame front portion through first guide shaft symmetry, the toper guide slot body of fixed connection in concave type guide frame front portion and rotates the deflector roll of connecting in concave type guide frame front portion through the second guide shaft, paper roll, toper guide slot body and deflector roll set up in concave type guide frame front portion in the past backward in proper order, second guide shaft and two sets of first guide shafts all drive through first drive component, unwinding component includes the tripod of two sets of symmetries settings, rotates the first unwinding roller of connection between two sets of tripod fronts through first unwinding shaft, the rectangle guide slot body of fixed connection between two sets of fronts, a plurality of sets of concave type unwinding framves of fixed connection between two sets of tripod middles, The paper roll unwinding device comprises a right disc and a left disc which are respectively arranged at the tops of two groups of triangular frames, and a paper roll which is connected between the right disc and the left disc through a paper roll shaft in a rotating manner, wherein the triangular frames are fixedly connected with a concave guide frame, a first unwinding roller is positioned at the rear part of the outer side of the circumference of a guide roller, the upper side and the lower side of the middle part of each rectangular guide groove body are respectively provided with an infrared induction generator and an infrared induction receiver matched with the infrared induction generator, a second unwinding roller which is rotatably connected with the bottom of the concave unwinding frame through a second unwinding shaft is arranged in the bottom of the concave unwinding frame, a concave adjusting frame is slidably connected in the upper part of the concave unwinding frame, a third unwinding roller is rotatably connected in the bottom of the concave adjusting frame through a third unwinding shaft, an adjusting screw penetrates through the middle part of the concave unwinding frame, one end of the adjusting screw, which is close to the concave adjusting frame, is rotatably connected with the outer side wall of the middle part of the concave adjusting frame, and the opposite sides of the right disc and the left disc are respectively provided with arc-shaped chutes, the right side dish middle part screw thread runs through has set screw, and set screw left end screw thread passes right side dish and has first tooth cell body and swivelling joint, left side dish middle part runs through to rotate has the switching axle, and the switching axle right-hand member passes left side dish and is provided with second tooth cell body, and the switching axle all passes through the drive of second drive component with the third axle of unreeling, the left and right-hand members of scroll all are provided with the latch piece with first tooth cell body and second tooth cell body joint.

Furthermore, the fixed plates are arranged at the left end and the right end of the front part of the concave guide frame, a plurality of groups of fixed holes are uniformly formed in the fixed plates, and the concave guide frame is fixedly connected to a printing machine through the fixed plates.

Furthermore, first drive component is including setting up at the upside first band pulley of first guide axle left end, second band pulley and the first driving motor of setting at the second guide axle left end, through first belt drive between first band pulley and the second band pulley, first driving motor fixes at the anterior left side outer wall of concave type guide frame through first motor frame, and first driving motor output fixed connection is in first band pulley left side axle center, drives first band pulley through first driving motor and rotates, and then drives the rotation of the first guide axle of upside, realizes the rotation of upside paper roll to through first belt drive effect, drive the rotation of second guide axle, realize the rotation of deflector roll.

Furthermore, two sets of first guide shaft right-hand member all is provided with intermeshing's gear, through two sets of intermeshing's gear to rotate as the first guide shaft of upside, make the first guide shaft of downside and then synchronous antiport, and then realize the synchronous antiport of upside paper roll and downside paper roll.

Furthermore, the right side tripod middle part right side all is provided with the warning light, and when infrared induction receiver received the sensing signal that infrared induction generator sent, then the device's singlechip regulation and control warning light sent out the police dispatch newspaper, reminds the staff to change the scroll.

Furthermore, the concave unreeling frames are preferably two groups, the second driving component comprises a third belt wheel arranged at the left end of the front second unreeling shaft, a double belt wheel arranged at the left end of the rear second unreeling shaft, a fourth belt wheel arranged at the left end of the transfer shaft and a second driving motor, the third belt wheel is in transmission fit with the double belt wheel through a second belt, the double belt wheel is in transmission fit with the fourth belt wheel through a third belt, the second driving motor is fixedly connected to a left tripod through a second motor frame, the output end of the second driving motor is fixedly connected to the left axle center of the third belt wheel, the second driving motor drives the third belt wheel to rotate to drive the front second unreeling shaft to rotate, so that the front second unreeling roller rotates, and the rear second unreeling shaft synchronously rotates under the transmission action of the second belt, and further synchronously rotates, the rotation of the fourth belt wheel is realized through the transmission action of the third belt, and then the synchronous rotation of the transfer shaft is driven.

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

according to the invention, the unreeling members are arranged in the up-and-down symmetry mode, after the paper rolls in one unreeling member are used, the other paper roll can continuously enter the guide frame member, so that the paper can be continuously unreeled without stopping the machine, and the printing efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

FIG. 2 is a schematic diagram of a left side view structure according to the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of a guide frame member of the present invention;

FIG. 5 is a right side view structure of the unwinding member of the present invention;

FIG. 6 is a left side view structure of the unwinding member of the present invention;

FIG. 7 is a schematic view of a top side view angle of the unwinding member of the present invention;

FIG. 8 is a schematic view of the paper roll and paper roll configuration of the present invention;

the reference numerals in the drawings denote: 1-a concave guide frame; 2-a first guide shaft; 3-paper roll; 4-a tapered conduit body; 5-a second guide shaft; 6-guide rollers; 7-tripod; 8-a first unwinding roller; 9-a rectangular guide groove body; 10-concave unwinding frame; 11-right disc; 12-left disc; 13-a paper roll; 14-a paper roll; 15-an infrared induction generator; 16-an infrared inductive receiver; 17-a second unreeling shaft; 18-a second unwind roll; 19-a concave adjusting frame; 20-a third unreeling shaft; 21-a third unwinding roller; 22-adjusting screw; 23-fixing the screw rod; 24-a first tooth trough body; 25-a transfer shaft; 26-a second tooth trough body; 27-a latch block; 28-a second pulley; 29-a first drive motor; 30-a first belt; 31-a gear; 32-warning lights; 33-a third pulley; 34-double belt wheel; 35-a fourth pulley; 36-a second drive motor; 37-a second belt; 38-third belt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

The paper guide mechanism for a printing apparatus of the present embodiment having excellent continuity is described with reference to fig. 1 to 8: the paper roll unwinding device comprises a guide frame component and unwinding components symmetrically arranged on the upper side and the lower side of the guide frame component, wherein the guide frame component comprises a concave guide frame 1, paper rolls 3 symmetrically and rotatably connected on the upper side and the lower side of the front part of the concave guide frame 1 through first guide shafts 2, conical guide groove bodies 4 fixedly connected in the front part of the concave guide frame 1 and guide rollers 6 rotatably connected in the front part of the concave guide frame 1 through second guide shafts 5, the paper rolls 3, the conical guide groove bodies 4 and the guide rollers 6 are sequentially arranged in the front part of the concave guide frame 1 from front to back, the second guide shafts 5 and the two groups of first guide shafts 2 are driven through first driving components, the unwinding components comprise two groups of symmetrically arranged tripods 7, a first unwinding roll 8 rotatably connected between the front parts of the two groups of tripods 7 through first unwinding shafts, a rectangular guide groove body 9 fixedly connected between the front parts of the two groups of tripods 7, and a plurality of concave unwinding frames 10 fixedly connected between the middle parts of the two groups of tripods 7, A right disc 11 and a left disc 12 which are respectively arranged on the tops of two groups of tripods 7, and a paper roll 14 which is rotatably connected between the right disc 11 and the left disc 12 through a paper roll shaft 13, wherein the tripods 7 are fixedly connected with a concave guide frame 1, first unreeling rollers 8 are respectively arranged on the rear part of the outer side of the circumference of a guide roller 6, the upper side and the lower side of the middle part of a rectangular guide groove body 9 are respectively provided with an infrared induction generator 15 and an infrared induction receiver 16 matched with the infrared induction generator 15, second unreeling rollers 18 which are rotatably connected in the bottom of the concave unreeling frame 10 through second unreeling shafts 17, a concave adjusting frame 19 is slidably connected in the upper part of the concave unreeling frame 10, a third unreeling roller 21 is rotatably connected in the bottom of the concave adjusting frame 19 through a third unreeling shaft 20, an adjusting screw rod 22 penetrates through the middle thread of the concave unreeling frame 10, one end of the adjusting screw rod 22 close to the concave adjusting frame 19 is rotatably connected with the middle outer side wall of the concave adjusting frame 19, arc spout has all been seted up to right side dish 11 and left side dish 12 opposite side, right side dish 11 middle part screw thread runs through has clamping screw 23, clamping screw 23 left end screw thread passes right side dish 11 and has first tooth cell body 24 of swivelling joint, left side dish 12 middle part runs through and rotates has switching shaft 25, switching shaft 25 right-hand member passes left side dish 12 and is provided with second tooth cell body 26, switching shaft 25 all passes through the drive of second drive component with third unreeling axle 20, the left and right ends of paper roll axle 13 all is provided with the latch piece 27 with first tooth cell body 24 and second tooth cell body 26 joint.

Wherein, the anterior left and right ends of concave type guide frame 1 all are provided with the fixed plate, have all evenly seted up a plurality of groups fixed orifices on the fixed plate, are convenient for pass through the fixed plate, with concave type guide frame 1 fixed connection on the printing machine.

Wherein, the first driving member includes the first band pulley that sets up at the first guide shaft 2 left end of upside, set up second band pulley 28 and the first driving motor 29 at the second guide shaft 5 left end, drive through first belt 30 between first band pulley and the second band pulley 28, first driving motor 29 is fixed at the anterior left side outer wall of concave guide frame 1 through first motor frame, and first driving motor 29 output end fixed connection is in first band pulley left side axle center, drive first band pulley through first driving motor 29 and rotate, and then drive the rotation of the first guide shaft 2 of upside, realize the rotation of upside paper roll 3, and through the transmission effect of first belt 30, drive the rotation of second guide shaft 5, realize the rotation of deflector roll 6.

Wherein, 2 right-hand members of two sets of first guide shafts all are provided with intermeshing's gear 31, through two sets of intermeshing's gear 31 to rotate as the first guide shaft 2 of upside, make the first guide shaft 2 of downside and then synchronous antiport, and then realize the synchronous antiport of upside paper roll 3 and downside paper roll 3.

Wherein, right side tripod 7 middle part right side all is provided with warning light 32, and when infrared induction receiver 16 received the sensing signal that infrared induction generator 15 sent, then the device's singlechip regulation and control warning light 32 sends the police dispatch newspaper, reminds the staff to change scroll 14.

Wherein, the concave unreeling rack 10 is preferably two groups, the second driving component drive comprises a third belt wheel 33 arranged at the left end of the front second unreeling shaft 17, a double belt wheel 34 arranged at the left end of the rear second unreeling shaft 17, a fourth belt wheel 35 arranged at the left end of the adapting shaft 25 and a second driving motor 36, the third belt wheel 33 is in transmission fit with the double belt wheel 34 through a second belt 37, the double belt wheel 34 is in transmission fit with the fourth belt wheel 35 through a third belt 38, the second driving motor 36 is fixedly connected on the left tripod 7 through a second motor frame, the output end of the second driving motor 36 is fixedly connected with the left axle center of the third belt wheel 33, the second driving motor 36 drives the third belt wheel 33 to rotate to drive the front second unreeling shaft 17, so as to realize the rotation of the front second unreeling roller 18, and realize the synchronous rotation of the rear second unreeling shaft 17 through the transmission function of the second belt 37, and then the synchronous rotation of the rear second unwinding roller 18 is realized, and the rotation of the fourth pulley 35 is realized through the transmission action of the third belt 38, and then the synchronous rotation of the transfer shaft 25 is driven.

The working principle is as follows: one end of each paper roll 14 of one group of paper rolls respectively passes through the space between the second unreeling roller 18 and the corresponding third unreeling roller 21, the rectangular guide groove body 9, the space between the first unreeling roller 8 and the guide roller 6, the conical guide groove body 4 and the space between the two groups of paper rollers 3 (as shown in fig. 3, the dotted lines represent the paper rolls drawn out from the paper rolls 14), and the paper rolls are respectively clamped between the second unreeling roller 18 and the corresponding third unreeling roller 21, the space between the first unreeling roller 8 and the guide roller 6 and the space between the paper rollers 3; at this time, the first driving member and the second driving member of one group work normally, and the first driving member and the second driving member of the other group stop working, so that the synchronous reverse rotation of the two groups of paper rollers 3 of the group, the rotation of the guide roller 6, the rotation of the second unreeling roller 18 and the rotation of the transfer shaft 25 are respectively driven by the action of the first driving member and the second driving member, and then the paper strip is drawn out from the paper roll 14 and moves forward towards the two groups of paper rollers 3; after the group of paper rolls 14 is used, because of no paper strip shielding effect, the infrared induction receiver 16 can induce the infrared induction sent by the infrared induction generator 15, the single chip microcomputer of the device controls the first driving member and the second driving member of the group to pause working, and sends out an alarm to prompt a worker to replace the paper rolls 14, and simultaneously controls the first driving member and the second driving member of the other group to work, so that one end of the paper roll 14 of the other group is in the other group of rectangular guide groove body 9, the second driving member drives the rotation of the second unreeling roller 18 of the other group and the rotation of the transfer shaft 25, and the synchronous reverse rotation of the two groups of paper rollers 3 and the rotation of the guide roller 6, one end of the paper strip of the other group of paper roll 14 is sent between the first unreeling roller 8 and the guide roller 6, and one end of the paper strip of the paper roll 14 of the other group is sent into the conical guide groove body 4 under the rotation of the guide roller 6, one end of the paper roll 14 of the other group is sent into the space between the paper rollers 3 of the other group under the guiding action of the conical guide groove body 4, so that the continuous paper roll 14 paper placing can be realized without stopping the machine, and the printing efficiency is improved.

When the paper roll 14 in one set of unreeling members is used, only the paper roll 13 is left at the time, and the paper roll 14 needs to be replaced, the fixing screw 23 is rotated first, so that the first tooth groove body 24 moves in the direction away from the paper roll 13, the first tooth groove body 24 enters the groove in the arc-shaped chute, the first tooth groove body 24 is separated from the latch block 27, the paper roll 13 can move rightwards, the latch block 27 at the other end of the paper roll 13 is separated from the second tooth groove body 26, the paper roll 13 is taken out from the space between the right disc 11 and the left disc 12 along the direction of the arc-shaped chute, then the two ends of the paper roll 13 of a new set of paper roll 14 are respectively placed between the right disc 11 and the left disc 12 along the direction of the arc-shaped chute, the fixing screw 23 is rotated, the first tooth groove body 24 moves in the direction close to the paper roll 13, and the first tooth groove body 24 is firstly clamped with one set of the latch blocks 27, or the paper roll 13 is pushed leftwards, so that the latch block 27 at the other end of the paper roll 13 is in clamping contact with the second tooth groove 26, the fixing screw 23 is continuously rotated until the fixing screw 23 cannot be rotated, at the moment, the latch blocks 27 at the two ends of the paper roll 13 are respectively in clamping contact with the first tooth groove 24 and the second tooth groove 26, so that the paper roll 14 is rapidly replaced between the right disc 11 and the left disc 12, then the adjusting screw 22 is rotated to drive the concave adjusting frame 19 to move towards the direction far away from the concave guide frame 1, further, the third unwinding rollers 21 are far away from the second unwinding rollers 18, so that the distance between the second unwinding rollers 18 and the corresponding third unwinding rollers 21 is increased, the paper strips can conveniently pass through, then the replaced paper roll 14 is pulled, so that one end of the paper roll 14 respectively passes through the second unwinding rollers 18 and the corresponding third unwinding rollers 21 and is finally positioned in the rectangular guide groove 9, meanwhile, the paper strips in the rectangular guide groove body 9 do not block the sensing infrared rays emitted from the infrared sensing generator 15 to the infrared sensing receiver 16, and then the adjusting screw 22 is rotated reversely, so that the third unwinding roller 21 returns to the original position, and the paper strips are clamped between the second unwinding roller 18 and the corresponding third unwinding roller 21, thereby realizing the replacement of the paper roll 14.

According to the device, the unreeling components are arranged in a vertically symmetrical mode, after the paper rolls 14 in one unreeling component are used, the other paper roll 14 can continuously enter the guide frame component, the device does not need to be stopped, continuous paper roll 14 paper placing can be achieved, and printing efficiency is improved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a printing apparatus is with leading paper mechanism which characterized in that: including the guide frame component with the symmetry set up the unwinding component of downside on the guide frame component, the guide frame component includes concave type guide frame (1), all rotates paper roll (3), the toper guide slot body (4) of connection in concave type guide frame (1) front portion downside on through first guide shaft (2) symmetry, fixed connection and rotates deflector roll (6) of connection in concave type guide frame (1) front portion through second guide shaft (5), paper roll (3), toper guide slot body (4) and deflector roll (6) set up in concave type guide frame (1) front portion in the past backward in proper order, second guide shaft (5) all drive through first drive component with two sets of first guide shaft (2), unreel the component and include tripod (7) that two sets of symmetries set up, through first unreeling axle rotate first unreeling roller (8) of connection between two sets of tripod (7) front portions, The paper unwinding device comprises a rectangular guide groove body (9) fixedly connected between the front parts of two groups of triangular supports (7), a plurality of groups of concave unwinding frames (10) fixedly connected between the middle parts of the two groups of triangular supports (7), a right disc (11) and a left disc (12) respectively arranged at the top parts of the two groups of triangular supports (7), and a paper roll (14) rotatably connected between the right disc (11) and the left disc (12) through a paper roll shaft (13), wherein the triangular supports (7) are fixedly connected with the concave guide frame (1), the first unwinding rollers (8) are respectively positioned at the rear part of the outer side of the circumference of the guide roller (6), the upper side and the lower side of the middle part of the rectangular guide groove body (9) are respectively provided with an infrared induction generator (15) and an infrared induction receiver (16) matched with the infrared induction generator (15), and second unwinding rollers (18) rotatably connected through second unwinding shafts (17) are arranged in the bottoms of the concave unwinding frames (10), a concave adjusting frame (19) is connected in the upper part of the concave unreeling frame (10) in a sliding manner, a third unreeling roller (21) is connected in the bottom of the concave adjusting frame (19) in a rotating manner through a third unreeling shaft (20), an adjusting screw (22) penetrates through the middle thread of the concave unreeling frame (10), one end, close to the concave adjusting frame (19), of the adjusting screw (22) is connected with the outer side wall of the middle part of the concave adjusting frame (19) in a rotating manner, arc-shaped sliding grooves are formed in the opposite sides of the right disc (11) and the left disc (12), a fixing screw (23) penetrates through the middle thread of the right disc (11), the left end thread of the fixing screw (23) penetrates through the right disc (11) and is connected with a first tooth groove body (24) in a rotating manner, a transfer shaft (25) penetrates through the middle part of the left disc (12) and is provided with a second tooth groove body (26), and the transfer shaft (25) and the third unreeling shaft (20) are driven by a second driving component, the left end and the right end of the paper scroll (13) are respectively provided with a clamping tooth block (27) which is clamped with the first tooth groove body (24) and the second tooth groove body (26); the first driving component comprises a first belt wheel arranged at the left end of the first guide shaft (2) at the upper side, a second belt wheel (28) arranged at the left end of the second guide shaft (5) and a first driving motor (29), the first belt wheel and the second belt wheel (28) are transmitted through a first belt (30), the first driving motor (29) is fixed on the outer wall of the left side of the front part of the concave guide frame (1) through a first motor frame, and the output end of the first driving motor (29) is fixedly connected with the left axis of the first belt wheel; the concave type unreeling rack (10) is two groups, the second driving component drives the second unreeling shaft (17) to be arranged at the front part, a third belt wheel (33) arranged at the left end of the second unreeling shaft (17), a double belt wheel (34) arranged at the left end of the second unreeling shaft (17), a fourth belt wheel (35) arranged at the left end of the transfer shaft (25) and a second driving motor (36), the third belt wheel (33) is in transmission fit with the double belt wheel (34) through a second belt (37), the double belt wheel (34) is in transmission fit with the fourth belt wheel (35) through a third belt (38), the second driving motor (36) is fixedly connected to the left side tripod (7) through a second motor frame, and the output end of the second driving motor (36) is fixedly connected to the left side axis of the third belt wheel (33).

2. The paper guide mechanism for printing equipment as claimed in claim 1, wherein the front left and right ends of the concave guide frame (1) are provided with fixing plates, and the fixing plates are uniformly provided with a plurality of groups of fixing holes.

3. The paper guide mechanism for printing equipment as claimed in claim 2, characterized in that the right ends of the two sets of first guide shafts (2) are provided with gears (31) which are meshed with each other.

4. The paper guide mechanism for printing equipment as claimed in claim 3, wherein the right side of the middle part of the tripod (7) is provided with an alarm lamp (32).