CN217415216U - Double-colored stamp device of paper products - Google Patents

Abstract

The utility model relates to a printing device especially relates to a double-colored stamp device of paper products. The utility model provides a can automatic double-colored stamp of inkjet to but quick automatic drying just can automatic collection's double-colored stamp device of paper products. The utility model provides a double-color printing device for paper products, which comprises a shell, a bracket chassis, a feeding mechanism, a printing mechanism, a drying mechanism, an ink-jet mechanism and the like; be equipped with the shell on the support chassis, be equipped with feed mechanism in the shell and between the left side of support chassis, be equipped with stamp mechanism in the shell and between the support chassis left part, be equipped with stoving mechanism in the shell and between the support chassis left part, stoving mechanism and stamp mechanism cooperation are equipped with ink jet mechanism in the shell and between the support chassis left part, ink jet mechanism position and stamp mechanism below and cooperation. The utility model discloses a be equipped with the stamp drum, under the drive of third belt for the stamp drum rotates and transports paper impression forward, reaches the effect of automatic double-colored stamp.

Description

Double-colored stamp device of paper products

Technical Field

The utility model relates to a printing device especially relates to a double-colored stamp device of paper products.

Background

The printing machine is to make the characters and images to be printed into the printing plate, mount on the printing machine, then apply the ink to the place with characters and images on the printing plate by manpower or printing machine, and then transfer to the paper or other printed matters directly or indirectly, the printing machine is applied to various trades extensively, especially apply to the soft packing material printing and paper container packing printing, and the two-color printing machine, it is a printing machine with two colors only, at present, generally speaking, the two-color printing machine is difficult to realize the automation, first the production line is too long, the power is not enough to realize the automatic dyeing, second, the color in the automation project is too late to dry, go on the next step, thus influence the quality of the products.

Therefore, the development of a paper product double-color printing device which can automatically jet ink and perform double-color printing, can rapidly and automatically dry and can automatically collect is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the automation of a general double-color printing machine is difficult to realize at present, firstly, the production line is too long, the power is not enough to realize the automatic dyeing, and secondly, the color in the automatic engineering is not too early to dry, and then the next step is carried out, thereby influencing the quality of products, the technical problems to be solved are as follows: the utility model provides a can automatic double-colored stamp of inkjet to but quick automatic drying and the double-colored stamp device of paper products that can automatic collection.

The technical scheme of the utility model is that: the utility model provides a double-colored stamp device of paper products, is equipped with the shell on the support chassis including shell, support chassis, feed mechanism, stamp mechanism, stoving mechanism and ink jet mechanism, be equipped with feed mechanism in the shell and between the left side of support chassis, be equipped with stamp mechanism in the shell and between the support chassis left part, be equipped with stoving mechanism in the shell and between the support chassis left part, be equipped with ink jet mechanism in the shell and between the support chassis left part.

As further preferred scheme, feeding mechanism is including the pull disc, carry the feed cylinder, the switch-plate, support the round bar, torsion spring, mount and balancing weight, the left side is equipped with the balancing weight on the support chassis, the side gliding type is equipped with the pull disc behind the balancing weight, support chassis left side front side is equipped with the mount, mount and pull disc sliding type connection, mount upper portion rear side is equipped with carries the feed cylinder, carry feed cylinder rear end and pull disc contact cooperation, the rotary type is equipped with the support round bar between mount upside and the pull disc, it is equipped with the switch-plate to support the round bar front side, it has torsion spring to support the round bar front end around, the torsion spring both ends are connected with mount and support round bar respectively.

As a further preferable scheme, the printing mechanism comprises a first motor, a first gear, a first belt, a second gear, a second belt, a fixed rod, a printing cylinder, a connecting round rod, a third belt, a sliding fixed block, an extrusion spring and a support frame, wherein the first motor is installed on the left side of the front part of the support chassis through a bolt, the first gear and the fixed rod are rotatably arranged on the left side of the front part of the support chassis, the fixed rod is positioned on the front side of the first gear, the rear end of the fixed rod is connected with an output shaft of the first motor, the second gear is arranged on the fixed rod, the second gear is meshed with the first gear, the support frames are symmetrically arranged on the two sides of the support chassis, the sliding fixed blocks are symmetrically arranged in the four support frames up and down direction, the extrusion springs are wound on the eight sliding fixed blocks, the two ends of the extrusion springs are respectively connected with the sliding fixed block and the support frame on the same side, the connecting round rod is rotatably arranged between the two sliding fixed blocks in the same horizontal direction on the left side and the right side, all be equipped with the stamp drum on four connection round bars, there is first belt through belt pulley connection between the connection round bar front side of upper left side and the first gear, has the second belt through belt pulley connection between connection round bar front side of left downside and the dead lever, all has the third belt through belt pulley connection between two connection round bar front sides of homonymy from top to bottom, and two third belts all are located first belt and second belt rear.

As a further preferred scheme, the drying mechanism comprises a heating box and heating pipes, the heating box is arranged on the front side of the left part of the support chassis, the heating pipes are arranged on the top of the heating box, and the heating pipes are matched with the four printing cylinders.

As a further preferable scheme, the ink jet mechanism comprises an ink conveying box, a protective cover, ink conveying pipes, ink grooves, ink jetting ports, an air conveying box and air conveying pipes, the ink conveying box is arranged on the rear side in the middle of the left portion of the support chassis, the protective cover is symmetrically hinged to the top of the ink conveying box in the bilateral symmetry mode, the ink conveying pipes are symmetrically arranged on the rear side of the top of the ink conveying box in the bilateral symmetry mode, the ink grooves are symmetrically arranged above one portion of the support chassis, the ink jetting ports are arranged in the two ink grooves, the ink jetting ports on the same side are respectively matched with the printing cylinders on the same side, the air conveying box is arranged on the front side of the left portion of the support chassis, the air conveying pipes are symmetrically arranged on the left side and the right side of the front wall of the air conveying box, and the two air conveying pipes are respectively connected with the ink jetting ports on the same side.

As a further preferable proposal, the device also comprises a pressing mechanism which comprises a fourth belt, a bearing round rod, a material pressing barrel and a supporting component, bearing block, the tightening subassembly, hold thing board and supporting spring subassembly, bilateral symmetry is equipped with the bearing block around the middle part on the support chassis, the inside slidingtype of two bearing blocks is equipped with supporting component, the rotary type is equipped with the bearing pole between two supporting component upper portions, there is the fourth belt through belt pulley connection between the bearing pole of front side and the connection pole of upside, be equipped with pressure feed cylinder on the bearing pole, the equal screw thread formula in bearing block top is equipped with the tightening subassembly, two tightening subassembly downside all are connected with the supporting component screw thread formula of homonymy, a symmetry is equipped with on the support chassis and holds the thing board, two hold the equal bilateral symmetry in both sides around between the thing board and pass through supporting spring subassembly and connect, the thing board that holds of upside contacts with pressure feed cylinder and cooperates.

As further preferred scheme, still including collecting the mechanism, collect the mechanism including bracing piece, second motor, fifth belt, bearing cylinder and pressure strip, the right side is equipped with the bracing piece on the support chassis, and the second motor is installed to the right front side on the support chassis, and bracing piece upper portion rotary type is equipped with bearing cylinder, bears and has the fifth belt through belt pulley connection between cylinder front end and the motor output shaft, bears the cylinder front side and is equipped with the pressure strip.

The beneficial effects of the utility model are that: 1. the utility model has the advantages that the printing cylinder is driven by the third belt to rotate to impress and convey paper forward, so as to achieve the effect of automatic double-color printing;

2. the printed paper is dried by the heating pipe of the drying mechanism, so that the effect of quick and automatic drying is achieved;

3. the ink-jet mechanism is arranged, so that the air pressure of the air delivery pipe can spray ink onto the corresponding printing cylinder, and the automatic ink-jet effect can be realized;

4. the pressing mechanism, the object bearing plate and the material pressing cylinder are arranged to press paper to be flat and convey the paper to the right, so that the effect of quick flattening is achieved;

5. through being equipped with collection mechanism, second motor output shaft drives through the fifth belt and bears the weight of the cylinder rotation to make and bear the weight of the cylinder and get up paper automatic rolling, reach automatic collection's effect.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the sectional three-dimensional structure of the present invention.

Fig. 3 is a schematic perspective view of the feeding mechanism of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the printing mechanism of the present invention.

Fig. 5 is a schematic view of the three-dimensional structure of the drying mechanism of the present invention.

Fig. 6 is a schematic perspective view of a first part of the ink jet mechanism of the present invention.

Fig. 7 is a schematic perspective view of a second portion of the ink jet mechanism of the present invention.

Fig. 8 is a schematic perspective view of the pressing mechanism of the present invention.

Fig. 9 is a schematic perspective view of a first part of the collecting mechanism of the present invention.

Fig. 10 is a schematic perspective view of a second part of the collecting mechanism of the present invention.

Reference numbers in the figures: 1: housing, 11: support chassis, 2: feeding mechanism, 21: drawing disc, 22: cartridge carrying barrel, 23: switch-off plate, 24: support round bar, 25: torsion spring, 26: mount, 27: balancing weight, 3: printing mechanism, 31: first motor, 32: first gear, 33: first belt, 34: second gear, 35: second belt, 36: fixing rod, 37: printing cylinder, 38: connecting rod, 39: third belt, 310: slide fixing block, 311: compression spring, 312: support frame, 4: drying mechanism, 41: heating box, 42: heating pipe, 5: ink jet mechanism, 51: ink feed tank, 52: protective cover, 53: ink feed tube, 54: ink tank, 55: ink ejection port, 56: gas transmission tank, 57: gas pipe, 6: pressing mechanism, 61: fourth belt, 62: bearing round bar, 63: pressing barrel, 64: support assembly, 65: bearing block, 66: tightening assembly, 67: carrying plate, 68: support spring assembly, 7: collecting mechanism, 71: support rod, 72: second motor, 73: fifth belt, 74: bearing cylinder, 75: and a pressing plate.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the invention are shown. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.

Example 1

A double-color printing device for paper products is shown in figures 1-7 and comprises a shell 1, a support chassis 11, a feeding mechanism 2, a printing mechanism 3, a drying mechanism 4 and an ink-jet mechanism 5, wherein the shell 1 is arranged on the support chassis 11, the feeding mechanism 2 is arranged between the shell 1 and the left side of the support chassis 11, the drying mechanism 4 is arranged between the shell 1 and the left part of the support chassis 11, the printing mechanism 3 is arranged between the shell 1 and the left side of the support chassis 11, the drying mechanism 4 is matched with the printing mechanism 3, the ink-jet mechanism 5 is arranged between the shell 1 and the left part of the support chassis 11, and the ink-jet mechanism 5 is arranged below and matched with the printing mechanism 3.

In the printing factory, when people need print the paper, can use this kind of double-colored stamp device of paper products, at first people put into feed mechanism 2 with a stock form from 1 left rear side of shell, then put into stamp mechanism 3 with the one end of paper, start stamp mechanism 3 afterwards, 3 parts of stamp mechanism drive paper and move right, move gradually to 5 below of inkjet mechanism when the paper, people manually drive 5 parts of inkjet mechanism and spout ink, make printing ink spout 3 parts of stamp mechanism, make 3 parts of stamp mechanism impress printing ink to the paper on, can realize the effect of quick stamp, when need not printing to the paper, close stamp mechanism 3 can.

The feeding mechanism 2 comprises a drawing disc 21, a material carrying cylinder 22, a material shifting plate 23, a supporting round rod 24, a torsion spring 25, a fixed frame 26 and a balancing weight 27, wherein the balancing weight 27 is arranged on the left side of a support chassis 11, the fixed frame 26 is arranged on the front left side of the support chassis 11, the drawing disc 21 is arranged in a sliding mode behind the balancing weight 27, the fixed frame 26 is connected with the drawing disc 21 in a sliding mode, the supporting round rod 24 is arranged between the upper side of the fixed frame 26 and the drawing disc 21 in a rotating mode, the material shifting plate 23 is arranged on the front side of the supporting round rod 24, the material carrying cylinder 22 is arranged on the rear side of the upper portion of the fixed frame 26, the rear end of the material carrying cylinder 22 is in contact fit with the drawing disc 21, the torsion spring 25 is wound at the front end of the supporting round rod 24, and two ends of the torsion spring 25 are respectively connected with the fixed frame 26 and the supporting round rod 24.

When people need stamp the paper, people take pull disc 21 out earlier backward, then put into a roll of paper and carry the feed cylinder 22 in, reset pull disc 21 forward afterwards, and manual rotation supports round bar 24, and torsion spring 25 twists reverse deformation to drive switch plate 23 and rotate, make switch plate 23 dial out stock form one end right and carry, after a roll of paper used up, torsion spring 25 resets, thereby drive switch plate 23 and support round bar 24 reversal to reseing.

The printing mechanism 3 comprises a first motor 31, a first gear 32, a first belt 33, a second gear 34, a second belt 35, a fixing rod 36, a printing cylinder 37, a connecting round rod 38, a third belt 39, a sliding fixing block 310, an extrusion spring 311 and support frames 312, wherein the first motor 31 is installed on the left side of the upper front part of the support chassis 11 through bolts, the first motor 31 is positioned on the right side of the balancing weight 27, the first gear 32 and the fixing rod 36 are rotatably arranged on the left side of the upper front part of the support chassis 11, the first gear 32 and the fixing rod 36 are positioned on the front side of the first motor 31, the fixing rod 36 is provided with the second gear 34, the second gear 34 is meshed with the first gear 32, the fixing rod 36 is positioned on the right side of the first gear 32, the rear end of the fixing rod 36 is connected with an output shaft of the first motor 31, the support frames 312 are symmetrically arranged on the front and rear sides of the left part of the support chassis 11, the sliding fixing blocks 310 are symmetrically arranged in the four support frames 312 in a vertically sliding manner, all around having extrusion spring 311 on eight slip fixed block 310, extrusion spring 311 both ends are connected with the slip fixed block 310 and the support frame 312 of homonymy respectively, it is equipped with the connection pole 38 to control equal rotary type between two slip fixed blocks 310 of the same horizontal direction of homonymy, all be equipped with printing drum 37 on four connection poles 38, there is first belt 33 through belt pulley connection between the connection pole 38 front side of upper left side and the first gear 32, there is second belt 35 through belt pulley connection between connection pole 38 front side of left side downside and the dead lever 36, all there is third belt 39 through belt pulley connection between two connection pole 38 front sides of upper and lower homonymy, two third belts 39 all are located first belt 33 and second belt 35 rear.

When people need to print paper, one end of the paper is placed between the two printing cylinders 37 on the left side, then people manually coat the printing cylinders 37 on the left side and the right side with two different colors of printing ink, then the first motor 31 is started, the fixing rod 36 on the output shaft belt of the first motor 31 rotates to drive the second gear 34 to rotate, further drive the first gear 32 to rotate, simultaneously drive the two connecting round rods 38 on the left side to rotate through the first belt 33 and the second belt 35, further drive the two printing cylinders 37 on the left side to rotate, under the action of the extrusion spring 311, further enable the two printing cylinders 37 to be mutually extruded up and down, further enable the printing cylinders 37 to print paper and convey the paper rightwards, and drive the two printing cylinders 37 on the right side to rotate and print the paper through the third belt 39 while the two connecting round rods 38 on the left side rotate, thereby achieving the effect of automatic two-color printing, after the double-color printing, the first motor 31 is turned off.

The drying mechanism 4 comprises a heating box 41 and a heating pipe 42, the heating box 41 is arranged on the front side of the left part of the support chassis 11, the heating pipe 42 is arranged on the top of the heating box 41, and the heating pipe 42 is matched with the four printing cylinders 37.

When people need dry the paper, start heating cabinet 41 earlier, heating cabinet 41 heats heating pipe 42, when stamp drum 37 carried the heating pipe 42 to paper impression and right, heating pipe 42 will dry the paper after the stamp, reached quick automatic drying's effect, when need not dry the paper, closed heating cabinet 41 can.

The ink jet mechanism 5 comprises an ink conveying tank 51, a protective cover 52, ink conveying pipes 53, ink grooves 54, ink jetting ports 55, an air conveying tank 56 and air conveying pipes 57, the ink conveying tank 51 is arranged on the rear side of the upper left portion of the support chassis 11, the ink conveying pipes 53 are symmetrically arranged on the left and right sides of the rear side of the top of the ink conveying tank 51, the protective covers 52 are symmetrically hinged on the left and right sides of the top of the ink conveying tank 51, the air conveying tank 56 is arranged on the front side of the upper left portion of the support chassis 11, the ink conveying pipes 53 are connected with the ink grooves 54 on the same side, the ink grooves 54 are symmetrically arranged on the left upper portion of the left middle portion of the support chassis 11, a plurality of ink jetting ports 55 are arranged in the two ink grooves 54, the ink jetting ports 55 on the same side are respectively matched with the printing cylinders 37 on the same side, the air conveying pipes 57 are symmetrically arranged on the left and right sides of the front wall of the air conveying tank 56, and the two air conveying pipes 57 are respectively connected with the ink jetting ports 55 on the same side.

When people need to print on paper, the protective cover 52 is firstly opened, then the ink with two different colors is respectively poured into the ink conveying box 51, then the protective cover 52 is covered, the ink conveying pipe 57 can automatically suck the ink from the ink conveying box 51 into the ink conveying pipe 53, then the air conveying box 56 is started, the air conveying box 56 conveys the air into the air conveying pipe 57, the air conveying pipe 57 conveys the air to the ink jetting port 55, the ink jetting port 55 sucks the ink from the ink groove 54, and the ink is jetted onto the corresponding printing cylinder 37 through the air pressure of the air conveying pipe 57, so that the automatic ink jetting effect can be realized.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 2, and 8-10, the pressing device 6 further includes a pressing mechanism 6, the pressing mechanism 6 includes a fourth belt 61, a bearing circular rod 62, a pressing cylinder 63, a supporting component 64, a bearing block 65, a tightening component 66, a bearing plate 67, and a supporting spring component 68, the bearing blocks 65 are symmetrically disposed on the front and rear sides of the middle portion of the support chassis 11, the supporting components 64 are slidably disposed inside the two bearing blocks 65, the supporting component 64 includes a sliding block, two vertical rods, and two springs, the bearing circular rod 62 is rotatably disposed between the upper portions of the two supporting components 64, the fourth belt 61 is connected between the bearing circular rod 62 on the front side and the connecting circular rod 38 on the upper right side through a belt pulley, the pressing cylinder 63 is disposed on the bearing circular rod 62, the tightening component 66 is disposed on the top of the bearing block 65 in a threaded manner, the lower sides of the two tightening components 66 are both in threaded connection with the supporting components 64 on the same side, the middle part symmetry is equipped with on the support chassis 11 and holds the thing board 67, and two hold the equal bilateral symmetry in front and back both sides between the thing board 67 and pass through supporting spring assembly 68 and connect, and the upside holds the thing board 67 and presses feed cylinder 63 contact cooperation.

When people need to flatten paper, the tightening component 66 is rotated back and forth, the bearing circular rod 62 and the pressing cylinder 63 move up and down under the action of the supporting component 64, the object bearing plate 67 moves up and down under the action of the supporting spring component 68, so that the object bearing plate 67 and the pressing cylinder 63 are always kept just in tight fit with the paper, after the first motor 31 is started, the connecting circular rod 38 rotates to drive the bearing circular rod 62 to move through the fourth belt 61, so that the pressing cylinder 63 is driven to rotate, when the printed and dried paper reaches a position between the object bearing plate 67 and the pressing cylinder 63, the object bearing plate 67 and the pressing cylinder 63 flatten the paper and convey the paper to the right, and the effect of rapid flattening is achieved.

Still including collecting mechanism 7, collect mechanism 7 including bracing piece 71, second motor 72, fifth belt 73, bear cylinder 74 and pressure strip 75, the right side is equipped with bracing piece 71 on the support chassis 11, second motor 72 is installed to right front side on the support chassis 11, second motor 72 is located the bracing piece 71 left side, bracing piece 71 upper portion rotary type is equipped with bears cylinder 74, there is fifth belt 73 through belt pulley connection between bearing cylinder 74 front end and the motor output shaft, it is equipped with pressure strip 75 to bear cylinder 74 front side.

When the right end of the paper after being flattened reaches the bearing cylinder 74, people can roll the right end of the paper into the bearing cylinder 74, press the pressing plate 75 to be pressed, then the second motor 72 is started, the output shaft of the second motor 72 drives the bearing cylinder 74 to rotate through the fifth belt 73, so that the bearing cylinder 74 automatically rolls up the paper, the automatic collection effect is achieved, and after the paper after being printed in two colors is completely rolled up, the second motor 72 is closed.

It should be understood that the above description is for illustrative purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.

Claims (7)

1. The utility model provides a two-color printing device of paper products, is equipped with shell (1) on support chassis (11) including shell (1) and support chassis (11), its characterized in that: the automatic printing machine is characterized by further comprising a feeding mechanism (2), a printing mechanism (3), a drying mechanism (4) and an ink-jet mechanism (5), wherein the feeding mechanism (2) is arranged between the inside of the shell (1) and the left side of the support chassis (11), the printing mechanism (3) is arranged between the inside of the shell (1) and the left side of the support chassis (11), the drying mechanism (4) is arranged between the inside of the shell (1) and the left side of the support chassis (11), and the ink-jet mechanism (5) is arranged between the inside of the shell (1) and the left side of the support chassis (11).

2. A two-color printing apparatus for printing on paper products as claimed in claim 1, wherein: the feeding mechanism (2) comprises a drawing disc (21), a material loading barrel (22), a kickoff plate (23), a supporting round rod (24), a torsion spring (25), a fixed frame (26) and a balancing weight (27), the left side is equipped with balancing weight (27) on support chassis (11), balancing weight (27) rear side sliding type is equipped with pull disc (21), support chassis (11) left side front side is equipped with mount (26), mount (26) and pull disc (21) sliding type are connected, mount (26) upper portion rear side is equipped with carries a material section of thick bamboo (22), carry material section of thick bamboo (22) rear end and pull disc (21) contact cooperation, the rotary type is equipped with between mount (26) upside and pull disc (21) supports round bar (24), support round bar (24) front side is equipped with kicking plate (23), support round bar (24) front end is around there being torsion spring (25), torsion spring (25) both ends are connected with mount (26) and support round bar (24) respectively.

3. A two-color printing apparatus for printing on paper products as claimed in claim 2, wherein: the printing mechanism (3) comprises a first motor (31), a first gear (32), a first belt (33), a second gear (34), a second belt (35), a fixing rod (36), a printing cylinder (37), a connecting round rod (38), a third belt (39), a sliding fixing block (310), an extrusion spring (311) and a support frame (312), wherein the first motor (31) is installed on the left side of the upper front part of a support chassis (11) through bolts, the first gear (32) and the fixing rod (36) are rotatably arranged on the left side of the upper front part of the support chassis (11), the fixing rod (36) is positioned on the front side of the first gear (32), the rear end of the fixing rod (36) is connected with an output shaft of the first motor (31), the second gear (34) is arranged on the fixing rod (36), the second gear (34) is meshed with the first gear (32), the support frame (312) is symmetrically arranged on two sides of the support chassis (11), all, sliding type is equipped with slip fixed block (310) from top to bottom in four support frames (312), all around extrusion spring (311) on eight slip fixed block (310), extrusion spring (311) both ends are connected with slip fixed block (310) and support frame (312) of homonymy respectively, it is equipped with between two slip fixed block (310) of the same horizontal direction of homonymy left and right sides equal rotary type and connects round bar (38), all be equipped with printing cylinder (37) on four connection round bar (38), there is first belt (33) through belt pulley connection between connection round bar (38) front side of upper left side and first gear (32), there is second belt (35) through belt pulley connection between connection round bar (38) front side of left side downside and dead lever (36), all there is third belt (39) through belt pulley connection between two connection round bar (38) front sides of upper and lower homonymy, two third belt (39) all are located first belt (33) and second belt (35) rear.

4. A two-color printing apparatus for printing on paper products as claimed in claim 3, wherein: drying mechanism (4) is equipped with heating cabinet (41) including heating cabinet (41) and heating pipe (42), left part front side on support chassis (11), and heating cabinet (41) top is equipped with heating pipe (42), and heating pipe (42) and four stamp drums (37) cooperation.

5. A two-color printing apparatus for printing on paper products as claimed in claim 4, wherein: the ink-jet mechanism (5) comprises an ink conveying box (51), a protective cover (52), an ink conveying pipe (53), an ink groove (54), an ink-jet opening (55), an air conveying box (56) and an air conveying pipe (57), the support chassis is characterized in that an ink conveying box (51) is arranged on the rear side of the middle left portion of the upper portion of the support chassis (11), protective covers (52) are symmetrically arranged on the left and right of the top of the ink conveying box (51) in a hinged mode, ink conveying pipes (53) are symmetrically arranged on the left and right of the rear side of the top of the ink conveying box (51), ink grooves (54) are symmetrically arranged on one portion of the upper portion of the support chassis (11), a plurality of ink jetting openings (55) are formed in the two ink grooves (54), the ink jetting openings (55) on the same side are respectively matched with printing cylinders (37) on the same side, an air conveying box (56) is arranged on the front side of the left portion of the upper portion of the support chassis (11), air conveying pipes (57) are symmetrically arranged on the left and right sides of the front wall of the air conveying box (56), and the two air conveying pipes (57) are respectively connected with the ink jetting openings (55) on the same side.

6. A two-color printing apparatus for printing on paper products according to claim 5, further comprising: the pressing mechanism (6) comprises a fourth belt (61), a bearing round rod (62), a material pressing cylinder (63), supporting components (64), bearing blocks (65), tightening components (66), a material bearing plate (67) and a supporting spring component (68), wherein the bearing blocks (65) are symmetrically arranged on the front side and the rear side of the upper middle part of the bracket chassis (11), the supporting components (64) are arranged in the two bearing blocks (65) in a sliding manner, the bearing round rod (62) is rotatably arranged between the upper parts of the two supporting components (64), the fourth belt (61) is connected between the bearing round rod (62) on the front side and the connecting round rod (38) on the upper side through a belt pulley, the material pressing cylinder (63) is arranged on the bearing round rod (62), the tightening components (66) are arranged on the tops of the bearing blocks (65) in a threaded manner, the lower sides of the two tightening components (66) are in threaded connection with the supporting components (64) on the same side, one part of the bracket chassis (11) is symmetrically provided with object bearing plates (67), the front side and the rear side of the two object bearing plates (67) are connected in a bilateral symmetry mode through supporting spring assemblies (68), and the object bearing plates (67) on the upper side are in contact fit with the material pressing barrel (63).

7. A two-color printing apparatus for printing on paper products as claimed in claim 6, wherein: still including collecting mechanism (7), collect mechanism (7) including bracing piece (71), second motor (72), fifth belt (73), bear cylinder (74) and pressure strip (75), the right side is equipped with bracing piece (71) on support chassis (11), right front side-mounting has second motor (72) on support chassis (11), bracing piece (71) upper portion rotary type is equipped with bears cylinder (74), there is fifth belt (73) through belt pulley connection between bear cylinder (74) front end and the motor output shaft, it is equipped with pressure strip (75) to bear cylinder (74) front side.

Images