CN114274659A

CN114274659A - Printing machine roller

Info

Publication number: CN114274659A
Application number: CN202111520823.3A
Authority: CN
Inventors: 宋执胜; 王贺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-05

Abstract

The invention relates to the field of rollers, in particular to a printing machine roller, which comprises a roller mechanism, an air exchange mechanism, a limiting mechanism and a cleaning mechanism, wherein the roller mechanism comprises a roller body and a roller cover; the pressure plate at the front end of the movable rod props against the movable ball, so that the movable ball partially extends to the outer side of the limiting groove; when the rotating rubber roll rotates, the movable ball can be abutted against the fixed triangular rack, the movable ball is pressed into the limiting groove, and then the sealing plug head is extruded, so that the gas in the gas-closed square groove is discharged; when the movable ball is separated from the triangular rack, the return spring returns the air-closing piston and the movable ball; after the rubber balloon expands to jack the movable base plate, the movable base plate ejects out the ink at the bottom of the micropore, after the rubber balloon is deflated, the movable base plate can repeatedly vibrate under the combined action of the supporting spring and the extension spring until the movable base plate recovers stably, the residual ink at the bottom of the micropore can be repeatedly splashed out in the vibrating process, the residual amount can be reduced, the residual ink can be prevented from solidifying, and the subsequent more thorough cleaning is facilitated.

Description

Printing machine roller

Technical Field

The invention relates to the field of rollers, in particular to a printing machine roller.

Background

The printing machine is a machine for printing characters and images, the characters and the images are made into a printing plate, the printing plate is continuously and stably inked by the cooperation of a plurality of rubber rollers and then is transferred to a printing stock, and therefore the printed matter identical to the printing plate is copied. In the printing process of the roller of the printing machine, the diluted residual impurities are accumulated on the rubber surface of the rubber roller, some residues can be washed away by water or solvent, but a small amount of impurities still remain at the bottom of micropores on the rubber surface, the residues are accumulated in the micropores for a long time, and under the action of printing pressure and heat, the surface of the rubber roller loses microporosity and is glazed; meanwhile, most of the existing micropore cleaning methods need to deform the rubber roller, and long-time deformation can cause the rubber to be loosened and deformed, so that the rubber roller is irretrievably damaged, the printing quality of the printing machine is reduced, and the service life of the printing machine is shortened.

Disclosure of Invention

To address the problems in the prior art, the present invention provides a printer roller.

The technical scheme adopted by the invention for solving the technical problems is as follows: a roller of a printing machine comprises a roller mechanism, an air exchange mechanism, a limiting mechanism and a cleaning mechanism; the method is characterized in that: the roller mechanism is used as a main frame of the whole device, the air exchange mechanism, the limiting mechanism and the cleaning mechanism are all arranged in the roller mechanism, the air exchange mechanism comprises a plurality of communicated grooves, the limiting mechanism and the cleaning mechanism are all arranged in the air exchange mechanism, and the limiting mechanism and the cleaning mechanism are linked through the air exchange mechanism and then used as the roller mechanism; the roller mechanism comprises a fixed sleeve, the fixed sleeve comprises an installation loop bar, a support grid plate and an outer sleeve, the installation loop bar is arranged in the middle of the fixed sleeve, one end of the installation loop bar is fixedly installed on a mounting frame, the support grid plate is arranged at the outer side of the installation loop bar at equal angles, the outer side of the support grid plate is fixedly connected to the inner side wall of the outer sleeve, and a plurality of triangular racks are arranged at the same distance on one side of the outer side wall of the outer sleeve.

The installation loop bar is characterized in that a rotating shaft is sleeved in the installation loop bar, the outer end of the rotating shaft is connected with a driving motor, the other end of the rotating shaft is perpendicularly connected with a circular rotating plate, a post rod is perpendicularly welded at the center of the other side of the rotating plate, the post rod is sleeved on another installation frame, the outer edge of the rotating plate is fixedly connected with the edge of the inner wall of a rotating rubber roll, the other end of the rotating rubber roll is sleeved on the outer side of the installation loop bar, the rotating rubber roll is sleeved on the outer side of an outer sleeve, a gap is reserved at the top end of a triangular rack, a plurality of uniformly arranged micropores are arranged on the outer side of the rotating rubber roll, and the micropores are elastic colloid capsule holes.

Specifically, the mechanism of taking a breath includes a plurality of align to grid's spacing groove, the spacing groove sets up it is inboard to rotate the rubber roll, the spacing groove is arranged micropore one side, the spacing groove is close to one side of rotating the rubber roll lateral wall sets up the closed gas square groove of a intercommunication, a movable ball of suit in the spacing groove, the spacing groove notch sets to the bore size and is less than the receipts of movable ball diameter size are restrainted the mouth.

Specifically, an air-closing piston is installed in the air-closing square groove, a movable rod is vertically connected to the middle point of one side, close to the limiting groove, of the air-closing piston, the other end of the movable rod extends into the limiting groove, a pressure plate is arranged at the front end of the movable rod and abuts against the movable ball, a return spring is sleeved on the movable rod, and two ends of the return spring respectively abut against the pressure plate and the side wall of the limiting groove; and a sealing plug head is fixedly attached to the other side of the air-blocking piston, and the sealing plug head is matched with the inner side wall of the air-blocking square groove.

Specifically, a plurality of equidistant air ports are formed in the side wall, away from the limiting groove, of the air-closing square groove, the outer sides of the air ports are communicated with the same air conveying channel, the other end of the air conveying channel is communicated with the side wall of the movable groove, the movable groove is arranged under the micropore, the micropore is embedded in the movable groove, a connecting hose is fixedly connected to the outlet of the air conveying channel, a rubber balloon is fixedly connected to the other end of the connecting hose, and the rubber balloon is embedded in the movable groove.

Specifically, stop gear is including supporting the backing plate, it inlays the dress and is in activity tank bottom, it puts and sets up a circular caulking groove to support the backing plate central point, caulking groove central point puts and sets up one and runs through the circular spacing through-hole of support backing plate, a activity plectane of scarf joint in the caulking groove, the activity plectane is close to the bottom surface center department of caulking groove welds a movable slide bar perpendicularly, the activity slide bar passes spacing through-hole extends to support the backing plate another side.

Specifically, the bottom end of the movable sliding rod is fixedly connected with a jacking spring, two symmetrical connectors are fixedly installed on two sides of the lower end of the movable sliding rod, a first movable rod is movably installed on each connector, the other end of each first movable rod is rotatably connected with a limiting sliding rod, the limiting sliding rods are located in one-way limiting sliding grooves and slide, and the direction of each limiting sliding groove is parallel to the supporting base plate; the other end of the limiting sliding rod is rotatably connected to one end of a second movable rod, the other end of the second movable rod is movably connected to a supporting rod, and the other end of the supporting rod is fixedly installed on the bottom surface of the supporting base plate.

Specifically, clearance mechanism is including the activity backing plate, the activity backing plate is located the micropore with between the rubber balloon, activity backing plate both ends joint is in spacing channel, spacing channel is seted up the both sides in activity groove, set up a perpendicular to in the spacing channel support the spacing guide arm of backing plate direction, activity backing plate both ends are cup jointed on the spacing guide arm, a supporting spring and an extension spring of suit on the spacing guide arm, supporting spring is located the activity backing plate is close to one side of rubber balloon, extension spring is located the activity backing plate is close to micropore one side.

The invention has the beneficial effects that:

(1) the gas-closing piston is reset through a reset spring, and the pressure plate at the front end of the movable rod is propped against the movable ball, so that the movable ball partially extends to the outer side of the limiting groove; when the rotating rubber roll rotates, the movable ball can be abutted against the fixed triangular rack, the movable ball is pressed into the limiting groove, and then the sealing plug head is extruded, so that the gas in the gas-closed square groove is discharged; when the movable ball is separated from the triangular rack, the return spring returns the air-closing piston and the movable ball; the sealing plug seals the air-closed square groove to prevent the gas in the air-closed square groove from leaking.

(2) The air-closed square groove and the rubber balloon are communicated through the air ports and the air transmission pore channel, and the flux is increased through the arrangement of a plurality of air ports, so that the rapid exchange of air is facilitated; the air transmission pore channel is a bent pore channel, is communicated with the air-closed square groove and the movable groove, and is connected with the rubber balloon through the connecting hose to form a closed air exchange space.

(3) When the movable circular plate is pressed, the movable sliding rod extrudes the jacking spring to compress, and simultaneously pushes the connecting end of the first movable rod and the connecting head, so that the other end of the first movable rod pushes the limiting sliding rod which is used for limiting the movement direction of the limiting sliding chute to slide, the limiting sliding rod pushes the supporting rod to move towards the direction opposite to the movement direction of the movable sliding rod through the second movable rod, and the supporting base plate can be jacked up, so that the space for downward expansion of the rubber balloon is limited, and the expanded rubber balloon can sufficiently jack the micropores; in addition, when the rubber balloon is deflated, the movable sliding rod is reset under the action of the jacking spring, and the supporting base plate is far away from the micropores, so that enough movable space is provided for the cleaning mechanism.

(4) The supporting springs and the extension springs act on the movable base plate simultaneously, after the rubber balloon expands to press the movable base plate, the movable base plate ejects out ink at the bottom of the micropore, after the rubber balloon loses air, the movable base plate can vibrate repeatedly under the action of the two springs until the movable base plate is stable, and the movable base plate is connected with the bottom of the micropore, so that the micropore can be prevented from being turned over and cannot reset; the vibrating in-process of the movable base plate can repeatedly splash the residual ink at the bottom of the micropore, so that the residual ink can be prevented from being solidified while the residual amount is reduced, and the subsequent more thorough cleaning is facilitated.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of the apparatus according to the present invention;

FIG. 2 is a front cross-sectional view of the overall structure provided by the present invention;

FIG. 3 is a schematic structural diagram of a roller mechanism provided by the present invention;

FIG. 4 is a cross-sectional view taken along line M-M of FIG. 2;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

fig. 6 is an enlarged view of the structure at B in fig. 5.

In the figure: 1. a roller mechanism; 11. fixing the sleeve; 12. a mounting frame; 13. installing a loop bar; 14. a support grid plate; 15. an outer sleeve; 151. a triangular rack; 16. a rotating shaft; 17. a drive motor; 18. rotating the plate; 181. a post rod; 19. rotating the rubber roller; 191. micropores; 2. a ventilation mechanism; 21. a limiting groove; 22. a gas-closed square groove; 23. a movable ball; 24. a gas-closing piston; 241. a movable rod; 242. sealing the plug head; 25. a return spring; 26. a gas port; 27. a gas transmission duct; 28. a movable groove; 29. a connecting hose; 210. a rubber balloon; 3. a limiting mechanism; 31. a support pad; 311. caulking grooves; 312. a limiting through hole; 32. a movable circular plate; 321. a movable slide bar; 322. a connector; 323. pressing the spring; 33. a first movable bar; 34. a limiting slide bar; 341. a limiting chute; 35. a second movable bar; 36. a strut; 4. a cleaning mechanism; 41. a movable base plate; 42. a limiting channel; 43. a limiting guide rod; 44. a support spring; 45. a tension spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the roller of the printing machine of the present invention comprises a roller mechanism 1, an air exchange mechanism 2, a limiting mechanism 3 and a cleaning mechanism 4; the method is characterized in that: the roller mechanism 1 is used as a main frame of the whole device, the air exchange mechanism 2, the limiting mechanism 3 and the cleaning mechanism 4 are all arranged inside the roller mechanism 1, the air exchange mechanism 2 comprises a plurality of communicated grooves, the limiting mechanism 3 and the cleaning mechanism 4 are all arranged in the air exchange mechanism 2, and the limiting mechanism 3 and the cleaning mechanism 4 are linked through the air exchange mechanism 2 and then used for the roller mechanism 1; the roller mechanism 1 comprises a fixed sleeve 11, the fixed sleeve 11 comprises an installation loop bar 13, support grid plates 14 and an outer sleeve 15, the installation loop bar 13 is arranged in the middle of the fixed sleeve 11, one end of the installation loop bar 13 is fixedly installed on an installation frame 12, a plurality of support grid plates 14 are arranged on the outer side of the installation loop bar 13 at equal angles, the outer sides of the support grid plates 14 are fixedly connected to the inner side wall of the outer sleeve 15, and a plurality of triangular racks 151 are arranged on one side of the outer side wall of the outer sleeve 15 at equal intervals; the mounting frame 12 provides support for the fixing sleeve 11 and facilitates the installation of the whole device; the support grid plate 14 is used for connecting the installation sleeve rod 13 and the outer sleeve 15, the structure is stable, and materials are saved; the triangular rack 151 is located on one side of the perpendicular midline of the cross-section of the outer sleeve 15.

Specifically, a rotating shaft 16 is sleeved in an installation loop bar 13, the outer end of the rotating shaft 16 is connected with a driving motor 17, the other end of the rotating shaft 16 is vertically connected with a circular rotating plate 18, a post 181 is vertically welded at the center of the other side of the rotating plate 18, the post 181 is sleeved on the other installation frame 12, the outer edge of the rotating plate 18 is fixedly connected with the edge of the inner wall of a rotating rubber roller 19, the other end of the rotating rubber roller 19 is sleeved on the outer side of the installation loop bar 13, the rotating rubber roller 19 is sleeved on the outer side of an outer sleeve 15, a certain gap is reserved between the rotating rubber roller 19 and the top end of a triangular rack 151, a plurality of micropores 191 which are uniformly arranged are arranged on the outer side of the rotating rubber roller 19, and the micropores 191 are elastic colloid capsule holes; the mounting sleeve rod 13 is fixedly mounted on the mounting frame 12, the rotating shaft 16 is sleeved in the mounting sleeve rod 13, and the post 181 is rotatably connected in the mounting frame 12; when the driving motor 17 drives the rotating shaft 16 to rotate, the mounting sleeve rod 13 is fixed, so that a relative rotation exists between the rotating rubber roller 19 and the fixed sleeve 11.

Specifically, the air exchange mechanism 2 comprises a plurality of limit grooves 21 which are uniformly arranged, the limit grooves 21 are arranged at the inner side of the rotating rubber roll 19, the limit grooves 21 are arranged at one side of the micropores 191, one side of the limit grooves 21 close to the outer side wall of the rotating rubber roll 19 is provided with a communicated air-tight square groove 22, a movable ball 23 is sleeved in the limit grooves 21, and the notch of the limit grooves 21 is set into a converging opening with the caliber size smaller than the diameter size of the movable ball 23; the limiting groove 21 is communicated with the inner side of the rotating rubber roller 19, but an inward-folded converging opening is formed at the outlet, so that the movable ball 23 cannot fall out of the limiting groove 21, and the movable ball 23 can extend out of the limiting groove 21; the gas-closed square groove 22 and the limiting groove 21 are on the same central line, and a communication channel is arranged at the central line point of the gas-closed square groove and the limiting groove.

Specifically, an air-closing piston 24 is installed in the air-closing square groove 22, a movable rod 241 is vertically connected to the middle point of one side, close to the limiting groove 21, of the air-closing piston 24, the other end of the movable rod 241 extends into the limiting groove 21, a pressure plate is arranged at the front end of the movable rod 241 and abuts against the movable ball 23, a return spring 25 is sleeved on the movable rod 241, and two ends of the return spring 25 respectively abut against the pressure plate and the side wall of the limiting groove 21; the other side of the air-blocking piston 24 is fixedly provided with a sealing plug 242, and the sealing plug 242 is matched with the inner side wall of the air-blocking square groove 22; the movable rod 241 is inserted in the gas-closing square groove 22 and the limiting groove 21, and has limiting and guiding functions; the gas-blocking piston 24 is reset through a reset spring 25, and a pressure plate at the front end of the movable rod 241 is abutted against the movable ball 23, so that the movable ball 23 partially extends to the outer side of the limiting groove 21, when the rotary rubber roll 19 rotates, the movable ball 23 is abutted against the fixed triangular rack 151, the movable ball 23 is pressed into the limiting groove 21, and then the sealing plug 242 is extruded through abutting, so that the gas in the gas-blocking square groove 22 is discharged; when the movable ball 23 is separated from the triangular rack 151, the return spring 25 returns the air-closing piston 24 and the movable ball 23; the airtight square groove 22 is sealed by the sealing plug 242, and gas leakage in the airtight square groove 22 is prevented.

Specifically, a plurality of equidistant air ports 26 are formed in the side wall of the air-closing square groove 22, which is far away from the limiting groove 21, the outer sides of the air ports 26 are communicated with the same air conveying channel 27, the other end of the air conveying channel 27 is communicated with the side wall of the movable groove 28, the movable groove 28 is arranged right below the micropore 191, the micropore 191 is embedded in the groove of the movable groove 28, the outlet of the air conveying channel 27 is fixedly connected with a connecting hose 29, the other end of the connecting hose 29 is fixedly connected with a rubber balloon 210, and the rubber balloon 210 is embedded in the movable groove 28; the air-closed square groove 22 and the rubber balloon 210 are communicated through the air ports 26 and the air transmission pore passage 27, and the flux is increased through the arrangement of the air ports 26, so that the rapid exchange of air is facilitated; the air transmission channel 27 is a bent channel and is communicated with the air-closed square groove 22 and the movable groove 28, and then is connected with the rubber balloon 210 through the connecting hose 29 to form a closed air exchange space.

Specifically, the limiting mechanism 3 comprises a supporting base plate 31, the supporting base plate 31 is embedded at the bottom of the movable groove 28, a circular embedding groove 311 is arranged at the center of the supporting base plate 31, a circular limiting through hole 312 penetrating through the supporting base plate 31 is arranged at the center of the embedding groove 311, a movable circular plate 32 is embedded in the embedding groove 311, a movable sliding rod 321 is vertically welded at the position, close to the center of the bottom surface of the embedding groove 311, of the movable circular plate 32, and the movable sliding rod 321 penetrates through the limiting through hole 312 and extends to the other surface of the supporting base plate 31; the movable round plate 32 and the movable sliding rod 321 are limited and guided through the limiting through hole 312; the size of the movable circular plate 32 is matched with that of the embedding groove 311, and when the movable circular plate 32 is embedded into the embedding groove 311, the upper surface of the movable circular plate 32 and the upper surface of the support backing plate 31 form a complete plane.

Specifically, the bottom end of the movable sliding rod 321 is fixedly connected with a top pressure spring 323, two symmetrical connectors 322 are fixedly installed on two sides of the lower end of the movable sliding rod 321, a first movable rod 33 is movably installed on the connectors 322, the other end of the first movable rod 33 is rotatably connected with a limiting sliding rod 34, the limiting sliding rod 34 is located in a one-way limiting sliding groove 341 and slides, and the direction of the limiting sliding groove 341 is parallel to the supporting base plate 31; the other end of the limiting slide bar 34 is rotatably connected to one end of a second movable bar 35, the other end of the second movable bar 35 is movably connected to a support bar 36, and the other end of the support bar 36 is fixedly arranged on the bottom surface of the support cushion plate 31; when the movable circular plate 32 is pressed, the movable sliding rod 321 presses the jacking spring 323 to compress, and meanwhile, the connecting end of the first movable rod 33 and the connecting head 322 is pushed, so that the other end of the first movable rod 33 pushes the limit sliding rod 34 which limits the moving direction of the limit sliding chute 341 to slide, the limit sliding rod 34 pushes the supporting rod 36 to move towards the direction opposite to the moving direction of the movable sliding rod 321 through the second movable rod 35, and the supporting cushion plate 31 can be jacked up, so that the space for downward expansion of the rubber balloon 210 is limited, and the expanded rubber balloon 210 can sufficiently jack the micropores 191; in addition, when the rubber balloon 210 is deflated, the movable sliding rod 321 is reset under the action of the top pressure spring 323, and the support cushion plate 31 is far away from the micro hole 191, so that a sufficient movable space is provided for the cleaning mechanism 4.

Specifically, the cleaning mechanism 4 includes a movable backing plate 41, the movable backing plate 41 is located between the micropores 191 and the rubber balloons 210, two ends of the movable backing plate 41 are clamped in the limit channels 42, the limit channels 42 are arranged on two sides of the movable groove 28, a limit guide rod 43 perpendicular to the direction of the support backing plate 31 is arranged in the limit channels 42, two ends of the movable backing plate 41 are sleeved on the limit guide rod 43, the limit guide rod 43 is sleeved with a support spring 44 and an extension spring 45, the support spring 44 is located on one side of the movable backing plate 41 close to the rubber balloons 210, and the extension spring 45 is located on one side of the movable backing plate 41 close to the micropores 191; the limiting channel 42 limits the movable backing plate 41, the limiting guide rod 43 limits and guides the movable backing plate 41, and one side of the movable backing plate 41 close to the micropores 191 is adhered to the bottom of the micropores 191, so that the movable backing plate 41 and the micropores 191 are synchronous in state; supporting spring 44 and extension spring 45 act on movable backing plate 41 simultaneously, after rubber balloon 210 inflation roof pressure movable backing plate 41, movable backing plate 41 is ejecting with the printing ink of micropore 191 bottom, after rubber balloon 210 loses heart, movable backing plate 41 will vibrate repeatedly under the effect of two springs until recovering steadily, the in-process of vibration can be with the repeated spill of the remaining printing ink of micropore 191 bottom, when can reduce the residual, also can prevent that remaining printing ink from solidifying, be convenient for follow-up more thorough clearance.

When the roller mechanism is used, the fixed sleeve 11 comprises an installation sleeve rod 13, a support grid plate 14 and an outer sleeve 15, the installation sleeve rod 13 is fixedly installed on the installation frame 12, the rotating shaft 16 is sleeved in the installation sleeve rod 13, one end of the rotating shaft 16 is connected with the driving motor 17, the other end of the rotating shaft 16 is vertically connected with the circular rotating plate 18, the column rod 181 on the other side of the rotating plate 18 is rotatably installed on the other installation frame 12, the two installation frames 12 support the roller mechanism 1, and the installation frame 12 is installed in a printing machine; and starting the driving motor 17, rotating the rotating shaft 16 along with the rotation of the rotating shaft, driving the rotating rubber roller 19 to synchronously rotate through the rotating plate 18, contacting the rotating rubber roller 19 with an inking system, storing ink in the micropores 191, transferring along with the rotation of the rotating rubber roller 19, and carrying the ink to a printing stock for inking and printing.

When the rotating rubber roll 19 rotates, the fixed sleeve 11 is fixedly arranged on the mounting frame 12, the outer sleeve 15 is fixed, the triangular rack 151 on the outer side wall of the outer sleeve 15 is close to tangency with the inner side wall of the rotating rubber roll 19, after the ink is applied to the rotating rubber roll 19, the position where the ink is applied passes through the position of the triangular rack 151, at the moment, the triangular rack 151 is in contact with the protruding movable ball 23, the movable ball 23 is extruded to move towards the limiting groove 21, the movable ball 23 extrudes the air closing piston 24 to move in the air closing square groove 22, and the air closing piston 24 is in tangency with the air closing square groove 22, so that air in the air closing square groove 22 is extruded, enters the air conveying duct 27 through the air opening 26, and enters the rubber balloon 210 through the connecting hose 29 along the air conveying duct 27.

The rubber balloon 210 is filled with inflation gas, the movable circular plate 32 is pressed into the caulking groove 311 in the supporting cushion plate 31, the movable circular plate 32 presses down the connecting end of the first movable rod 33 and the connecting head 322 through the movable sliding rod 321, the jacking spring 323 is pressed to contract, the other end of the first movable rod 33 pushes the limiting function of the limiting sliding groove 341, so that the limiting sliding rod 34 slides towards the direction far away from the movable sliding rod 321, and pushes the supporting rod 36 through the second movable rod 35, so that the whole supporting cushion plate 31 is pushed towards the direction close to the rubber balloon 210, and the rubber balloon 210 does not expand towards the direction of the supporting cushion plate 31 but expands towards the other direction; the rubber balloon 210 subjected to the limiting expands toward the movable shim plate 41 and pushes up the movable shim plate 41, the movable shim plate 41 slides along the limiting guide rod 43 to push up the bottom of the micro-hole 191 outwards, and the ink at the bottom of the micro-hole 191 is pushed out outwards.

After the movable ball 23 rotates past the triangular rack 151, under the action of the return spring 25, the movable rod 241 pushes against the movable ball 23 to return, the air-closing piston 24 returns to pump the air in the rubber balloon 210 out to the air-closing square groove 22, the air in the rubber balloon 210 is pumped out, the movable circular plate 32 is not stressed, the push spring 323 returns to return to push against the movable sliding rod 321 to return, so that the support cushion plate 31 returns, the movable cushion plate 41 repeatedly vibrates under the interaction of the support spring 44 and the extension spring 45 until the movable cushion plate is stable, the residual ink in the micropores 191 is vibrated and ejected out, the ink is prevented from solidifying at the bottom of the micropores 191, and the cleaning is convenient.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A printing machine roller comprises a roller mechanism (1), an air exchange mechanism (2), a limiting mechanism (3) and a cleaning mechanism (4); the method is characterized in that: the roller mechanism (1) is used as a main frame of the whole device, the air exchange mechanism (2), the limiting mechanism (3) and the cleaning mechanism (4) are all installed inside the roller mechanism (1), the air exchange mechanism (2) comprises a plurality of communicated grooves, the limiting mechanism (3) and the cleaning mechanism (4) are all installed in the air exchange mechanism (2), and the limiting mechanism (3) and the cleaning mechanism (4) are linked through the air exchange mechanism (2) and then used for the roller mechanism (1);

roller mechanism (1) is including fixed sleeve (11), and fixed sleeve (11) is including installation loop bar (13), support grid tray (14) and outer sleeve (15), set up one in the middle of fixed sleeve (11) installation loop bar (13), installation loop bar (13) one end fixed mounting is on a mounting bracket (12), angle such as installation loop bar (13) outside sets up a plurality ofly support grid tray (14), support grid tray (14) outside fixed connection be in outer sleeve (15) inside wall, one side equidistance of outer sleeve (15) lateral wall sets up a plurality of triangular rack (151).

2. A printer roller according to claim 1, characterized in that: a rotating shaft (16) is sleeved in the mounting sleeve rod (13), the outer end of the rotating shaft (16) is connected with a driving motor (17), the other end of the rotating shaft (16) is vertically connected with a round rotating plate (18), the center of the other side of the rotating plate (18) is vertically welded with a post rod (181), the post rod (181) is sleeved on the other mounting rack (12), the outer edge of the rotating plate (18) is fixedly connected with the edge of the inner wall of the rotating rubber roller (19), and the other end of the rotating rubber roll (19) is sleeved outside the mounting sleeve rod (13), the rotating rubber roll (19) is sleeved outside the outer sleeve (15), a gap is reserved between the rotating rubber roll (19) and the top end of the triangular rack (151), a plurality of micropores (191) which are uniformly arranged are arranged on the outer side of the rotating rubber roller (19), and the micropores (191) are elastic colloid capsule holes.

3. A printer roller according to claim 2, characterized in that: mechanism (2) take a breath includes a plurality of align to grid's spacing groove (21), spacing groove (21) set up it is inboard to rotate rubber roll (19), spacing groove (21) are arranged one side of micropore (191), spacing groove (21) are close to one side of rotating rubber roll (19) lateral wall sets up the closed gas square groove (22) of a intercommunication, suit one activity ball (23) in spacing groove (21), spacing groove (21) notch sets up the bore size and is less than the receipts of activity ball (23) diameter size are restrainted the mouth.

4. A printer roller according to claim 3, wherein: an air-closing piston (24) is installed in the air-closing square groove (22), a movable rod (241) is vertically connected to the middle point of one side, close to the limiting groove (21), of the air-closing piston (24), the other end of the movable rod (241) extends into the limiting groove (21), a pressing plate is arranged at the front end of the movable rod (241) and abuts against the movable ball (23), a return spring (25) is sleeved on the movable rod (241), and two ends of the return spring (25) respectively abut against the pressing plate and the side wall of the limiting groove (21); and a sealing plug head (242) is fixedly mounted on the other side of the air-blocking piston (24), and the sealing plug head (242) is matched with the inner side wall of the air-blocking square groove (22).

5. A printer roller according to claim 4, characterized in that: the side wall of the air-closed square groove (22) far away from the limiting groove (21) is provided with a plurality of air ports (26) at equal intervals, the outer sides of the air ports (26) are communicated with the same air conveying channel (27), the other end of the air conveying channel (27) is communicated with the side wall of the movable groove (28), the movable groove (28) is arranged under the micropore (191), the micropore (191) is embedded in the groove of the movable groove (28), the outlet of the air conveying channel (27) is fixedly connected with a connecting hose (29), the other end of the connecting hose (29) is fixedly connected with a rubber balloon (210), and the rubber balloon (210) is embedded in the movable groove (28).

6. A printer roller according to claim 5, characterised in that: stop gear (3) are including supporting backing plate (31), supporting backing plate (31) inlay and are in activity groove (28) bottom, supporting backing plate (31) central point puts and sets up a circular caulking groove (311), caulking groove (311) central point puts and sets up one and runs through support backing plate's (31) circular spacing through-hole (312), scarf joint a activity plectane (32) in caulking groove (311), activity plectane (32) are close to the bottom surface center department of caulking groove (311) is perpendicular to weld a activity slide bar (321), activity slide bar (321) pass spacing through-hole (312) extend to support backing plate (31) another side.

7. A printer roller according to claim 6, characterised in that: the bottom end of the movable sliding rod (321) is fixedly connected with a jacking spring (323), two symmetrical connectors (322) are fixedly installed on two sides of the lower end of the movable sliding rod (321), a first movable rod (33) is movably installed on each connector (322), the other end of each first movable rod (33) is rotatably connected with a limiting sliding rod (34), each limiting sliding rod (34) is located in a one-way limiting sliding groove (341) to slide, and the direction of each limiting sliding groove (341) is parallel to the supporting base plate (31); the other end of the limiting sliding rod (34) is rotatably connected to one end of a second movable rod (35), the other end of the second movable rod (35) is movably connected to a supporting rod (36), and the other end of the supporting rod (36) is fixedly installed on the bottom surface of the supporting base plate (31).

8. A printer roller according to claim 7, characterized in that: the cleaning mechanism (4) comprises a movable backing plate (41), the movable backing plate (41) is positioned between the micropore (191) and the rubber balloon (210), the two ends of the movable backing plate (41) are clamped in the limit channel (42), the limit channel (42) is arranged at the two sides of the movable groove (28), a limit guide rod (43) which is vertical to the direction of the support backing plate (31) is arranged in the limit channel (42), the two ends of the movable backing plate (41) are sleeved on the limiting guide rods (43), a supporting spring (44) and an extension spring (45) are sleeved on the limiting guide rod (43), the supporting spring (44) is positioned on one side of the movable backing plate (41) close to the rubber balloon (210), the extension spring (45) is positioned on one side of the movable backing plate (41) close to the micropore (191).