Disclosure of Invention
The object of the present utility model is to solve the above-mentioned problems and to provide a printing apparatus with an automatic cleaning device.
The utility model realizes the aim through the following technical scheme that the printing equipment with the automatic cleaning device comprises a machine body and a printing roller rotatably connected to the machine body, wherein a cleaning mechanism for cleaning the printing roller is arranged on the machine body, the cleaning mechanism comprises a liquid storage box, a liquid spraying box and a brush plate, the liquid storage box is fixed on one side of the machine body, a liquid guide pipe communicated with the liquid storage box is arranged on the liquid spraying box, the brush plate is arranged at the bottom end of the liquid spraying box, and a switching mechanism for switching liquid sprayed by the liquid spraying box is arranged between the liquid spraying box and the machine body.
Preferably, a cleaning solution tank and a tap water tank for storing ink cleaning solution and tap water are respectively arranged in the liquid storage tank, a first cavity and a second cavity are arranged in the liquid spraying box, two rows of high-pressure nozzles which are respectively communicated with the first cavity and the second cavity are arranged on the liquid spraying box, and the first cavity and the second cavity are respectively communicated with the cleaning solution tank and the tap water tank through two liquid guide pipes.
Preferably, the machine body is provided with two first mounting pieces, the first mounting support is fixedly provided with a second mounting piece, two ends of the liquid spraying box are respectively fixed with the two second mounting pieces, and the switching mechanism is arranged on the first mounting pieces and the second mounting pieces and comprises a blocking plate for blocking the high-pressure nozzle and a transmission assembly for driving the blocking plate to move.
Preferably, the second mounting piece is provided with a sliding shaft, two ends of the blocking plate are provided with protrusions, sliding grooves matched with the sliding shafts are arranged in the protrusions, and the sliding grooves at two ends of the blocking plate are respectively matched with the sliding shafts on the two second mounting pieces.
Preferably, the transmission assembly comprises a transmission gear, a tooth-missing gear, a transmission wheel, a transmission belt and a reciprocating assembly, wherein the transmission gear is rotationally arranged on the first mounting piece, the tooth-missing gear is rotationally arranged on the machine body, the transmission wheel is fixedly arranged on the tooth-missing gear, two ends of the transmission belt are respectively sleeved on the transmission wheel and the rotating shaft of the printing roller, and the reciprocating assembly is arranged between the transmission gear and the blocking plate.
Preferably, the reciprocating assembly comprises a reciprocating slide plate and a transmission column, the reciprocating slide plate is fixedly arranged on the side face of the blocking plate, the transmission column is fixedly arranged on the transmission gear, and a reciprocating chute matched with the transmission column is arranged on the reciprocating slide plate.
Preferably, a silica gel blocking piece is arranged on one side of the blocking plate, which is close to the high-pressure nozzle.
Preferably, the bottom of the liquid spraying box is provided with a mounting groove for mounting the brush plate, and a magnetic suction strip for stabilizing the brush plate is arranged between the liquid spraying box and the brush plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. by utilizing the cleaning mechanism composed of the liquid storage tank, the liquid spraying box and the hairbrush plate, an operator can start the printing roller to idle when printing is finished, and then the cleaning mechanism automatically brushes the printing roller to clean residual ink or other impurities on the printing roller when the printing roller rotates, so that the labor cost is saved, and the cleaning efficiency and the cleaning effect are ensured.
2. The nozzles corresponding to the two cavities of the liquid spraying box can spray different liquids, so that the cleaning effect on the printing roller is obviously improved, and when the printing roller rotates, the nozzles spraying liquid can be automatically changed when the printing roller rotates, so that the liquid sprayed by the liquid spraying box is changed, and the cleaning is more efficiently performed.
Detailed Description
In the following description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
A printing device with an automatic cleaning device is shown in figure 1, and comprises a machine body 1 and a printing roller 2 rotatably connected to the machine body 1, wherein a cleaning mechanism is arranged on the machine body 1, the printing roller is composed of a liquid storage tank 3, a liquid spraying box 4 and a hairbrush plate 5, the liquid storage tank 3 is welded on one side of the machine body 1 through an iron frame, a cleaning liquid tank and a tap water tank for storing ink cleaning liquid and tap water are respectively arranged in the liquid storage tank 3, wherein the ink cleaning liquid can adopt a nonionic surfactant CPE-1035Y, the nonionic surfactant is an emulsifying agent capable of acting on printing ink, the residual ink on the surface of the printing roller 2 can be emulsified, and the tap water mainly plays a role of flushing.
As shown in fig. 1, 3 and 4, two first mounting members 11 are disposed on two sides of the printing roller 2 of the machine body 1, the first mounting members 11 are fixed on the machine body 1 through bolts, the first mounting members 11 are also connected with second mounting members 12, the second mounting members 12 are also fixed on the first mounting members 11 through bolts, a certain space is formed between the first mounting members 11 and the second mounting members 12, extension pieces are disposed on two sides of the back of the liquid spraying box 4, grooves matched with end faces of the liquid spraying box 4 are disposed on the second mounting members 12, therefore, when the liquid spraying box 4 is mounted, two ends of the extension pieces need to be first embedded into the grooves, threaded holes on the extension pieces are aligned with threaded holes on the second mounting members 12, and then the installation of the liquid spraying box 4 can be completed through screwing the bolts, so that the liquid spraying box 4 is fixed on the front end of the printing roller 2 and aligned with the rotating shaft position of the printing roller 2.
As shown in fig. 1 and 2, the liquid spraying box 4 is provided with a first cavity 8 and a second cavity 9, the two cavities are vertically separated and not communicated, the first cavity 8 and the second cavity 9 are also respectively communicated with a cleaning liquid tank and a tap water tank in the liquid storage tank 3 through two liquid guide pipes 6, and a water pump is arranged in the liquid storage tank 3, so that two liquids are respectively led into the first cavity 8 and the second cavity 9, and the liquid spraying box 4 is also provided with two rows of high-pressure nozzles 10, and the two rows of high-pressure nozzles 10 are respectively communicated with the first cavity 8 and the second cavity 9, so that the liquids in the first cavity 8 and the second cavity 9 can be sprayed on the surface of the printing roller 2 in a high-pressure water column or spray mode under the action of the water pump and the high-pressure nozzles 10, thereby achieving the effect of flushing or emulsifying ink and uniform spraying.
As shown in fig. 2, 3 and 4, two protruding strips are provided in the front-rear direction of the bottom of the liquid spraying box 4, so as to form a mounting groove 25, when an operator installs the brush plate 5, only the corresponding mounting portion is required to be slidingly embedded into the mounting groove 25 from the side, and hidden magnetic strips 26 are provided on the bottom of the liquid spraying box 4 and the mounting portion of the brush plate 5, so that after the mounting portion of the brush plate 5 is slidingly embedded into the mounting groove 25, the two magnetic strips 26 are mutually magnetically fastened, so that the brush plate 5 can be firmly installed at the bottom of the liquid spraying box 4, the brush on the brush plate 5 brushes the printing roller 2, some stubborn residues are removed, the cleaning effect is increased, and when the printer is in operation, the operator can temporarily detach the brush plate 5, ensure the normal printing operation of the printer, and install the printer when the cleaning is required until the printing is finished.
As shown in fig. 1, 3, 4 and 6, a switching mechanism 7 is arranged between the liquid spraying box 4 and the machine body 1, and is composed of a blocking plate 13 and a transmission component, wherein two ends of the blocking plate 13 are provided with protrusions 15, through-hole-shaped sliding grooves 16 are arranged in the protrusions 15, and sliding shafts 14 are arranged on the second mounting pieces 12, when an operator mounts the blocking plate 13, the sliding grooves 16 on two sides of the blocking plate 13 can be aligned with the sliding shafts 14 on the two second mounting pieces 12 on the machine body 1 and embedded, then the ports of the sliding shafts 14 are sealed by welding or bonding, the blocking plate 13 can be mounted on the front side of the liquid spraying box 4, and can slide in the vertical direction, and the size of the blocking plate 13 can just block one row of high-pressure nozzles 10, and a silica gel blocking piece 24 is arranged on one side of the blocking plate, so that when the blocking plate blocks one row of high-pressure nozzles 10, the high-pressure nozzles 10 can be directly blocked, the row of high-pressure nozzles 10 can not be sprayed by liquid, the single blocking plate 13 can be sprayed by the high-pressure nozzles, and the movement of the blocking plate 13 can be changed, and the high-pressure nozzles can be sprayed by changing the movement of the blocking plate.
As shown in fig. 3, 6 and 7, the transmission assembly further includes a transmission gear 17, a tooth-missing gear 18, a transmission wheel 19, a transmission belt 20 and a reciprocating assembly, where the transmission gear 17 is rotatably disposed on the first mounting member 11 and is located in a space formed by the first mounting member 11 and the second mounting member 12, the tooth-missing gear 18 is rotatably disposed on the machine body 1, and the tooth-missing gear 18 is meshed with the transmission gear 17, so that the rotation of the tooth-missing gear 18 drives the rotation of the transmission gear 17, and the number of tooth-missing gears 18 is half-teeth, so that after the tooth-missing gear 18 rotates once, only the transmission gear 17 can be driven to rotate for half-circle, the transmission wheel 19 is fixedly disposed on the tooth-missing gear 18 and is coaxial with the tooth-missing gear 18, so that both ends of the transmission belt 20 are respectively sleeved on the transmission wheel 19 and the rotation shaft of the printing roller 2, so that the rotation of the printing roller 2 is transmitted to the transmission wheel 19 by the transmission belt 20, and finally drives the transmission gear 17 to rotate, and the diameter of the rotation shaft of the printing roller 2 is equal to the transmission wheel 19, and the half-circle is driven to rotate by one circle of rotation of the transmission wheel 19.
As shown in fig. 3, fig. 4, fig. 5 and fig. 6, the reciprocating assembly is disposed between the transmission gear 17 and the blocking plate 13, and further comprises a reciprocating slide plate 21 and a transmission column 22, wherein the reciprocating slide plate 21 is fixed on the side surface of the blocking plate 13 through a bolt, the transmission column 22 is integrally formed on the transmission gear 17, and the reciprocating slide plate 21 is provided with a reciprocating chute 23, the reciprocating chute 23 is a horizontal straight through slot, and the length is greater than or equal to the movable distance of the blocking plate 13, and the transmission column 22 is kept embedded into the reciprocating chute 23, so when the transmission gear 17 rotates, the transmission column 22 rotates circumferentially on the transmission gear 17, slides in the reciprocating chute 23 while rotating, and further, because the horizontal height position of the transmission column 22 continuously changes, the blocking plate 13 is pushed up, thereby driving the blocking plate 13 to move upwards or downwards, so as to change the blocked high-pressure nozzles 10, and change the sprayed liquid, and because the transmission difference between the gear 18 and the transmission gear 17 is greater than or equal to the movable distance between the blocking plate 13, the printing roller 2 rotates, the printing roller 2 can be cleaned, and the printing efficiency can be changed, and the cleaning efficiency can be increased, and the printing efficiency can be improved, and the cleaning efficiency can be improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.