CN111634115A

CN111634115A - Paper pretreatment equipment of four-color printing machine

Info

Publication number: CN111634115A
Application number: CN202010531197.7A
Authority: CN
Inventors: 洪俊锋
Original assignee: Wuhan Jimo Packaging And Printing Co ltd
Current assignee: Wuhan Jimo Packaging And Printing Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-09-08

Abstract

The invention discloses paper pretreatment equipment for a four-color printing machine, which comprises a treatment box, wherein a conveying groove is formed in the side wall of the treatment box in a penetrating mode, a vortex tube is fixed at the top of the treatment box, a cold flow tube and a hot flow tube are respectively inserted into two air outlets of the vortex tube, flow dividing tubes are respectively inserted into the side walls of the cold flow tube and the hot flow tube, a driving box is fixed on the side wall of the treatment box, the two flow dividing tubes are respectively connected with the two ends of the driving box in a penetrating and sliding mode, a circulating driving mechanism is arranged inside the driving box, and a rotating shaft is connected to the outer wall of the treatment box in a penetrating and. Has the advantages that: the air current through vortex tube output drives the circulation actuating mechanism operation to make the action wheel rotate, and then make from the driving wheel rotate and carry the paper, make the entering that the paper can be smooth handle the case, and the air current is handled the case by the wind groove entering simultaneously, clear up the paper of carrying, make the dust on paper surface obtain the clearance of swordsman, avoid the dust to influence the printing quality.

Description

Paper pretreatment equipment of four-color printing machine

Technical Field

The invention relates to the technical field of printing, in particular to paper pretreatment equipment of a four-color printing machine.

Background

The four-color printing machine is a printing machine of a lithographic printing method for realizing map copying by using four kinds of black, medium blue, brown and green printing ink;

present four-color printing machine is not equipped with the pre treatment facility before processing, and the paper directly gets into printing machine processing, and the influence printing quality of the clean degree on paper surface can certain degree, and accumulational paper has certain dust, makes directly will seriously influence printing quality to untreated paper printing, and printing process paper will be heated, with the deformation of certain degree, if do not carry out preheating and will lead to that paper deformation is obvious, thereby influence printing quality, consequently is necessary to the preliminary treatment of paper.

Disclosure of Invention

The invention aims to solve the problem of poor printing quality caused by the lack of paper pretreatment of a printing machine in the prior art, and provides paper pretreatment equipment of a four-color printing machine.

In order to achieve the purpose, the invention adopts the following technical scheme: a paper pretreatment device of a four-color printing machine comprises a treatment box, wherein a conveying groove is formed in the side wall of the treatment box in a penetrating mode, a vortex tube is fixed to the top of the treatment box, a cold flow tube and a hot flow tube are respectively inserted into two air outlets of the vortex tube, shunt tubes are respectively inserted into the side walls of the cold flow tube and the hot flow tube, a driving box is fixed to the side wall of the treatment box, the shunt tubes are respectively connected with the two ends of the driving box in a penetrating and sliding mode, a circulating driving mechanism is arranged inside the driving box, the outer wall of the treatment box is connected with a rotating shaft in a penetrating and rotating mode, a driving wheel is fixed to the side wall of the rotating shaft, two driven wheels which are symmetrically arranged are connected to the inner wall of the treatment box in a rotating mode, connecting grooves are formed in the side walls of the two driven wheels, two wind grooves have been seted up to the inner wall in commentaries on classics groove, cold flow pipe and hot flow pipe communicate with the inside in two wind grooves respectively, the inner wall in commentaries on classics groove is connected with the baffle through the torsional spring rotation, the circumference lateral wall of action wheel is fixed with a plurality of commentaries on classics boards, the lateral wall of handling the case runs through and has seted up the air outlet.

In foretell four-color printing machine paper pre-processing equipment, circulation actuating mechanism includes and drives the case inner wall rotation connection's drive axle, the lateral wall of drive axle is fixed with a plurality of commentaries on classics leaves, the lateral wall of drive axle is fixed with commentaries on classics board and half gear, the inner wall of commentaries on classics board is fixed with the inner rack, the pivot is located the one end that drives incasement portion and is fixed with the transport gear who meshes mutually with the half gear.

In the paper pretreatment equipment for the four-color printing machine, a partition plate is fixed on the inner wall of the treatment box, and two symmetrically-arranged filter plates are fixed at the upper end of the partition plate.

Compared with the prior art, the invention has the advantages that:

1. according to the paper cleaning device, the circulating driving mechanism is driven to operate by the airflow output by the vortex tube, so that the driving wheel rotates, the driven wheel rotates to convey paper, the paper can smoothly enter the processing box, the airflow enters the processing box through the air duct at the same time, the conveyed paper is cleaned, the dust on the surface of the paper is cleaned, and the influence of the dust on the printing quality is avoided;

2. according to the paper processing device, the output gear is circularly and alternately meshed with the half gear and the inner rack through the arrangement of the circular driving mechanism, so that the output gear rotates in a reciprocating manner, the rotating plate rotates in a positive and negative manner alternately, the baffle plates rotate in a circular and alternate manner, cold air flow and hot air flow in the processing box alternately appear, excessive high-temperature damage is avoided in the paper processing process, the retention time of paper in the processing box is prolonged due to the reciprocating rotation of the driven wheel, and the dust cleaning effect is improved;

3. according to the paper pre-heating device, the transmission ratios of the inner rack and the half gear relative to the conveying gear are different, so that a forward conveying stroke is larger than a reverse conveying stroke, paper is conveyed forwards overall, heating treatment time of the paper is longer in the conveying process, cooling treatment time is shorter, the paper is preheated overall, and cold treatment is only to avoid overheating;

4. according to the invention, the partition plate plays a role in guiding and bearing paper which enters the processing box initially, so that the paper is prevented from falling, normal conveying and erection of the paper are ensured, dust on the surface of the paper is prevented from directly falling into the processing box, the filter screen can filter the dust in the air flow, and the dust is intercepted and collected.

Drawings

FIG. 1 is a schematic structural diagram of a paper pretreatment device of a four-color printing machine according to the present invention;

FIG. 2 is a side cross-sectional view of a four-color press sheet pre-treatment apparatus in accordance with the present invention;

FIG. 3 is a cross-sectional view taken along the direction A in FIG. 1;

FIG. 4 is a side view of a drive box portion of a four color press sheet pre-processing apparatus according to the present invention.

In the figure: the device comprises a treatment box 1, a conveying groove 2, a vortex tube 3, a cold flow tube 4, a hot flow tube 5, a flow dividing tube 6, a driving box 7, a rotating shaft 8, a driving wheel 9, a driven wheel 10, a connecting groove 11, a connecting belt 12, a partition plate 13, a filter plate 14, a rotating groove 15, an air groove 16, a baffle plate 17, a rotating plate 18, an air outlet 19, a driving shaft 20, a rotating blade 21, a conveying gear 22, a rotating plate 23, an internal rack 24 and a half gear 25.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-4, a paper pretreatment device for a four-color printing machine comprises a treatment box 1, a conveying trough 2 is arranged on the side wall of the treatment box 1 in a penetrating manner, a vortex tube 3 is fixed on the top of the treatment box 1, a cold flow tube 4 and a hot flow tube 5 are respectively inserted into two air outlets of the vortex tube 3, shunt tubes 6 are respectively inserted into the side walls of the cold flow tube 4 and the hot flow tube 5, a driving box 7 is fixed on the side wall of the treatment box 1, the two shunt tubes 6 are respectively connected with two ends of the driving box 7 in a penetrating and sliding manner, a circulating driving mechanism is arranged inside the driving box 7, a rotating shaft 8 is connected on the outer wall of the treatment box 1 in a penetrating and rotating manner, a driving wheel 9 is fixed on the side wall of the rotating shaft 8, two driven wheels 10 which are symmetrically arranged are rotatably connected on the inner wall of the treatment box 1, handle case 1's inner wall and seted up the turn trough 15, two wind grooves 16 have been seted up to the inner wall of turn trough 15, cold flow pipe 4 and hot flow tube 5 respectively with two wind groove 16's inside intercommunication, the inner wall of turn trough 15 is connected with baffle 17 through the torsional spring rotation, the circumference lateral wall of action wheel 9 is fixed with a plurality of commentaries on classics board 18, the lateral wall of handling case 1 runs through and has seted up air outlet 19, commentaries on classics board 18 will promote baffle 17 and deflect after rotating, thereby make baffle 17 seal the wind groove 16 of one side, only an air current can get into and handle case 1 inside, and torsional spring deformation needs time, stabilize the stability of the position after the pivoted a plurality of commentaries on classics board 18 can guarantee baffle 17 deflects, avoid invalid collision damage.

The circulating driving mechanism comprises a driving shaft 20 which is rotationally connected with the inner wall of the driving box 7, a plurality of rotating blades 21 are fixed on the side wall of the driving shaft 20, a rotating plate 23 and a half gear 25 are fixed on the side wall of the driving shaft 20, an inner rack 24 is fixed on the inner wall of the rotating plate 23, a conveying gear 22 meshed with the half gear 25 is fixed at one end of the rotating shaft 8 positioned in the driving box 7, the driving shaft 20 drives the rotating plate 23 and the half gear 25 to rotate simultaneously, so that the inner rack 24 also rotates, the inner rack 24 and the half gear 25 are positioned at two sides of the driving shaft 20, so that the inner rack 24 and the half gear 25 are alternately meshed with the conveying gear 22, the meshing positions of the inner rack 24, the half gear 25 and the conveying gear 22 are different, the inner rack 24 and the conveying gear 22 drive the conveying gear 22 to rotate in a reciprocating manner, the transmission ratio of the inner rack 24 to the conveying gear 22 is larger, and therefore, the conveying, so that forward rotation is more than reverse rotation.

The inner wall of handling case 1 is fixed with baffle 13, and the upper end of baffle 13 is fixed with the filter plate 14 that two symmetries set up, and baffle 13 plays the effect of direction and bearing to the paper of handling case 1 just going into, avoids dropping of paper to guarantee the normal transport of paper and erect to avoid paper surface dust directly to drop to handle inside case 1, and filter plate 14 then can filter the dust in the air current, realizes collecting the interception of dust.

In the invention, when paper is pretreated, firstly, the paper is guided into a conveying groove 2, then a vortex tube 3 is started, so that a cold air flow and a hot air flow are respectively conveyed outwards by a cold air flow tube 4 and a hot air flow tube 5, the air flow enters a flow dividing tube 6 into a driving box 7, a rotating blade 21 is driven by the air flow to rotate, a driving shaft 20 is driven to rotate, a half gear 25 and a rotating plate 23 rotate along with the rotating blade, an inner rack 24 rotates along with the rotating blade, the inner rack 24 is meshed with a conveying gear 22 after rotating and drives the conveying gear 22 to rotate in the forward direction, so that the rotating shaft 8 and a driving wheel 9 rotate, under the action of a connecting belt 12, two driven wheels 10 rotate in the forward direction synchronously, so that the two driven wheels 10 start to push the paper to move, the paper which just enters the treatment box 1 is positioned on a partition plate 13, and the paper can gradually pass through the partition plate 13 to reach the driven wheel 10 at, the paper is further lifted by the two driven wheels 10 to a certain degree, and the two sides of the paper are limited by the two filter plates 14, so that the paper can be stably output outwards;

when the driving wheel 9 rotates forwards, the baffle 17 is pushed by the rotating plate 18 to deflect, so that the air groove 16 corresponding to the cold flow pipe 4 is sealed, cold air flow cannot enter the processing box 1, the air groove 16 where hot air flow is located is opened, the hot air flow continuously gushes into the processing box 1, the paper being conveyed is preheated, meanwhile, dust on the surface of the paper is processed through the blowing degree of the air flow, the paper is kept clean, the dust is prevented from affecting the printing quality of the paper, the dust flows along with the air flow and is intercepted by the filter plate 14, the air flow is discharged from the air outlet 19, and the dust is effectively cleaned;

the internal rack 24 is separated from the position of the conveying gear 22 gradually and is not meshed with the conveying gear 22 any more after the internal rack 23 rotates opposite to the rotating plate 23, so that the conveying gear 22 rotates slowly under the inertia effect, after the internal rack is separated for a short time, the half gear 25 rotates to the position of the conveying gear 22, so that the internal rack is meshed with the conveying gear 22 and drives the conveying gear 22 to rotate, but due to the relation between the half gear 25 and the internal rack 24 and the corresponding position of the conveying gear 22, the conveying gear 22 is driven by the half gear 25 to rotate reversely, so that the driving wheel 9 is turned over, the rotating plate 18 and the driven wheel 10 are both rotated reversely, the driven wheel 10 is driven by the driven wheel to convey paper reversely, the baffle 17 is driven by the reverse rotation of the rotating plate 18 to deflect reversely, the air groove 16 corresponding to the hot flow pipe is closed, so that cold air flow enters the processing box 1 to realize cold processing of the heat-processed paper, avoiding overheating or damage of paper caused by continuous heat treatment;

since the driving shaft 20 is continuously rotated, the internal rack 24 and the half gear 25 are circularly and alternately meshed with the conveying gear 22, so that the paper is in reciprocating motion in the conveying process, however, the transmission ratio of the internal rack 24 and the half gear 25 relative to the conveying gear 22 is different, so that the forward conveying stroke is larger than the reverse conveying stroke, the paper is conveyed forwards in general, the paper is heated for a longer time in the conveying process, the cooling treatment time is shorter, the paper is preheated in general, the cooling treatment is only used for avoiding overheating, and the reciprocating motion of the paper increases the residence time of the paper in the treatment box 1, so that the air flow has enough time for dust treatment on the surface of the paper, and the paper can be sufficiently cleaned.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The paper pretreatment equipment for the four-color printing machine comprises a treatment box (1) and is characterized in that a conveying groove (2) is formed in a penetrating mode in the side wall of the treatment box (1), a vortex tube (3) is fixed to the top of the treatment box (1), a cold flow tube (4) and a hot flow tube (5) are inserted into two air outlets of the vortex tube (3) respectively, shunt tubes (6) are inserted into the side walls of the cold flow tube (4) and the hot flow tube (5), a driving box (7) is fixed to the side wall of the treatment box (1), the shunt tubes (6) are connected with two ends of the driving box (7) in a penetrating and sliding mode respectively, a circulating driving mechanism is arranged inside the driving box (7), the outer wall of the treatment box (1) is connected with a rotating shaft (8) in a penetrating and rotating mode, a driving wheel (9) is fixed to the side wall of the rotating shaft (8), two symmetrically arranged driven wheels (10) are connected to the inner wall, two spread groove (11) have all been seted up to the lateral wall from driving wheel (10), connecting band (12) have been cup jointed from driving wheel (10) with two in action wheel (9), revolving groove (15) have been seted up to the inner wall of processing case (1), two wind grooves (16) have been seted up to the inner wall of revolving groove (15), cold flow pipe (4) and hot flow pipe (5) communicate with the inside of two wind grooves (16) respectively, the inner wall of revolving groove (15) is rotated through the torsional spring and is connected with baffle (17), the circumference lateral wall of action wheel (9) is fixed with a plurality of commentaries on classics boards (18), the lateral wall of processing case (1) runs through and has seted up air outlet (19).

2. The paper pretreatment device of the four-color printing machine according to claim 1, wherein the circulating drive mechanism comprises a driving shaft (20) rotatably connected with the inner wall of the driving box (7), a plurality of rotating vanes (21) are fixed on the side wall of the driving shaft (20), a rotating plate (23) and a half gear (25) are fixed on the side wall of the driving shaft (20), an inner rack (24) is fixed on the inner wall of the rotating plate (23), and a conveying gear (22) meshed with the half gear (25) is fixed at one end of the rotating shaft (8) positioned in the driving box (7).

3. The paper pretreatment device of a four-color printing machine according to claim 1, characterized in that a partition plate (13) is fixed on the inner wall of the treatment tank (1), and two symmetrically arranged filter plates (14) are fixed on the upper end of the partition plate (13).