SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a print head self sealing system to solve existence among the prior art, print the back that finishes, the shower nozzle exposes in the outside, and the easy drying in surface influences the next start and prints the effect, and still reduces shower nozzle life's technical problem.
The utility model provides an automatic sealing system for a printer nozzle, which comprises an ink sealing seat bottom plate, an ink sealing lifting base, an ink sealing lifting guide pillar, a tension spring, an eccentric mechanism and a nozzle suction nozzle mechanism;
the number of the ink sealing lifting guide columns is at least four, the lower ends of the ink sealing lifting guide columns are connected with an ink sealing base bottom plate, and the upper ends of the ink sealing lifting guide columns are connected with an ink sealing lifting base;
the lower end of the tension spring is connected with the ink sealing seat bottom plate and is arranged on the side surface of the ink sealing lifting guide pillar, and the upper end of the tension spring is connected with the ink sealing lifting base;
the eccentric mechanism is connected with the ink sealing seat bottom plate; the driving end of the eccentric mechanism is abutted against the bottom surface of the ink sealing lifting base and can drive the ink sealing lifting base to reciprocate in the vertical direction; the nozzle suction mechanism is connected with the top surface of the ink sealing lifting base and is arranged corresponding to the nozzle to be sealed.
Further, the eccentric mechanism comprises a speed reducing motor, an ink sealing lifting rod, an eccentric wheel and a closed-loop synchronous belt;
the speed reducing motor is connected with the ink sealing seat bottom plate;
the number of the ink sealing lifting rods is two, the number of the eccentric wheels is four, and two ends of each ink sealing lifting rod are respectively connected with one eccentric wheel; the output end of the speed reducing motor is connected with the input end of one of the ink sealing lifting rods, the output end of the ink sealing lifting rod is connected with the input end of the closed-loop synchronous belt, and the output end of the closed-loop synchronous belt is connected with the other ink sealing lifting rod.
Furthermore, the side face of the ink sealing lifting base is connected with an inductor, and the inductor is in electric signal connection with the induction end of the printer spray head.
Furthermore, the eccentric mechanism also comprises a microswitch which is respectively connected with the speed reducing motor and the inductor through electric signals.
Further, the nozzle suction nozzle mechanism comprises a nozzle suction nozzle, an isolation column and an elastic part;
the number of the isolation columns is four, and the four isolation columns are uniformly distributed and connected to the bottom surface of the nozzle suction nozzle; the upper end of the isolation column is connected with a nozzle suction nozzle, and the lower end of the isolation column is connected with the top surface of the ink sealing lifting base;
the number of the elastic pieces is four corresponding to the number of the isolation columns, and one elastic piece is sleeved on one isolation column.
Further, the isolation column comprises a first hollow column and a second hollow column;
one end of the elastic piece is sleeved on the column body of the first hollow column, and the other end of the elastic piece is sleeved on the column body of the second hollow column;
the abutting gasket at the lower end of the first hollow column is connected to the ink sealing base plate, and the abutting gasket of the second hollow column is connected to the ink sealing lifting base; the central hole of the first hollow column and the central hole of the second hollow column are connected through a threaded piece.
Furthermore, the nozzle suction nozzle mechanism of the spray head also comprises a limiting gasket;
the spacing gasket is sleeved on the isolation column and is abutted against the top end of the elastic piece.
Furthermore, a hollow groove is formed in the ink sealing lifting base below the nozzle of the spray head.
Further, sealLower end face connection of ink lifting base
A mold-type abutting plate which is provided with a plurality of abutting plates,
the bottom surface of the type butt joint plate is used for butting against the eccentric wheel.
Further, the bottom surface of the ink sealing lifting base is connected with a hook plate, and the upper end of a tension spring is connected with the hook plate;
two hook grooves are arranged on the bottom plate of the ink sealing seat, and the lower end of the tension spring is connected to the connecting plate between the two hook grooves.
The utility model provides an automatic sealing system of a printer nozzle, which is characterized in that four ink sealing lifting guide pillars are connected between an ink sealing base bottom plate and an ink sealing lifting base to limit the moving position of the ink sealing lifting base in the vertical direction; four tension springs are connected between the ink sealing seat bottom plate and the ink sealing lifting base, and the ink sealing lifting base is ensured to return in time by using the resilience force of the tension springs; the eccentric mechanism on the ink sealing seat bottom plate drives the ink sealing lifting base to reciprocate in the vertical direction, so that the nozzle suction nozzle mechanism is driven to move upwards to seal a printer nozzle to be sealed, the problem that the nozzle is exposed outside and dried on the surface is solved, the printing effect of starting the printer next time is ensured, and the service life of the nozzle is prolonged.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, the utility model provides an automatic sealing system for a printer nozzle, which comprises an ink sealing seat bottom plate 100, an ink sealing lifting base 200, an ink sealing lifting guide pillar 300, a tension spring 400, an eccentric mechanism 500 and a nozzle suction nozzle mechanism 600;
the number of the ink sealing lifting guide columns 300 is at least four, the lower ends of the ink sealing lifting guide columns 300 are connected with the ink sealing base bottom plate 100, and the upper ends of the ink sealing lifting guide columns 300 are connected with the ink sealing lifting base 200;
the lower end of the tension spring 400 is connected with the ink sealing seat bottom plate 100 and is arranged on the side surface of the ink sealing lifting guide pillar 300, and the upper end of the tension spring 400 is connected with the ink sealing lifting seat 200;
the eccentric mechanism 500 is connected to the ink sealing seat bottom plate 100; the driving end of the eccentric mechanism 500 is abutted against the bottom surface of the ink sealing lifting base 200 and can drive the ink sealing lifting base 200 to reciprocate in the vertical direction; the nozzle suction mechanism 600 is connected to the top surface of the ink sealing lifting base 200 and is disposed corresponding to the nozzle to be sealed.
In the present embodiment, as shown in fig. 1 and fig. 2, the number of the ink sealing lifting guide pillars 300 is four, and the four ink sealing lifting guide pillars 300 are respectively disposed at four corners between the ink sealing base bottom plate 100 and the ink sealing lifting base 200. The lower end of each ink sealing lifting guide post 300 is provided with a threaded shaft, and the ink sealing base bottom plate 100 is provided with a threaded hole, so that the lower end of the ink sealing lifting guide post 300 is fixedly connected with the ink sealing base bottom plate 100 through threads. Every upper end of sealing black lifting guide post 300 is equipped with irregularly shaped limiting plate, is equipped with the through-hole on the black lifting base 200, seals black lifting guide post 300 sliding connection in the through-hole to utilize black lifting guide post 300 to inject the shift position of black lifting base 200 in vertical direction, utilize irregularly shaped limiting plate to inject the position of black lifting base 200 on black lifting guide post 300 top, avoid sealing black lifting base 200 upwards roll-off black lifting guide post 300. The number of the tension springs 400 is four, and each tension spring 400 is arranged on the side surface of each ink sealing lifting guide pillar 300, so that the ink sealing lifting base 200 is returned to the vertical position by the tension springs 400.
When the automatic ink sealing device is used, a sensing end of a pressure sensor of a printer nozzle sends a pulse signal to drive the printer to move to a position above the nozzle suction nozzle mechanism 600, at the moment, the eccentric mechanism 500 is started to drive the eccentric wheel 503 to rotate, the eccentric wheel 503 drives the ink sealing lifting base 200 to move upwards, the nozzle suction nozzle mechanism 600 is enabled to just seal a nozzle of the printer, the eccentric mechanism 500 stops moving, the sealing effect of the nozzle is ensured, the nozzle is enabled to be always kept in a wet state in the nozzle suction nozzle mechanism 600, the problem of drying cannot occur, normal printing can be guaranteed when the printer is started next time, printing precision and yield are not affected, and meanwhile, the service life of the nozzle is prolonged. When the printer is started next time, the eccentric mechanism 500 is started again to drive the eccentric wheel 503 to rotate again, the eccentric wheel 503 drives the ink sealing lifting base 200 to move downwards, the nozzle suction nozzle mechanism 600 is separated from the seal of the printer nozzle downwards, and the eccentric mechanism 500 stops moving; and then starting the printer again to enable the printing nozzle to continue printing.
Further, the eccentric mechanism 500 comprises a speed reducing motor 501, an ink sealing lifting rod 502, an eccentric wheel 503 and a closed-loop synchronous belt 504;
the speed reducing motor 501 is connected to the ink sealing seat bottom plate 100;
the number of the ink sealing lifting rods 502 is two, the number of the eccentric wheels 503 is four, and two ends of each ink sealing lifting rod 502 are respectively connected with one eccentric wheel 503; the output end of the speed reducing motor 501 is connected with the input end of one of the ink sealing lifting rods 502, the output end of the ink sealing lifting rod 502 is connected with the input end of a closed-loop synchronous belt 504, and the output end of the closed-loop synchronous belt 504 is connected with the other ink sealing lifting rod 502.
In the present embodiment, as shown in fig. 1 and 2, the ink sealing lift pins 502 are two that are arranged in parallel in the front-rear direction. During the use, gear motor 501 starts, gear motor 501's output drives front side seal black lifter 502 rotary motion, front side seal black lifter 502 drives both ends eccentric wheel 503 rotatory, and simultaneously, gear motor 501's output drives closed loop hold-in range 504 rotary motion, drive back side seal black lifter 502 rotary motion through closed loop hold-in range 504, eccentric wheel 503 at both ends on the back side closed loop hold-in range 504 and the eccentric wheel 503 at both ends on the front side seal black lifter 502 drive simultaneously and seal black lifting base 200 and move upwards, thereby drive shower nozzle suction nozzle mechanism 600 upwards moves, seal the shower nozzle.
Further, the side of the ink sealing lifting base 200 is connected with an inductor 201, and the inductor 201 is in electrical signal connection with the induction end of the printer nozzle.
In this embodiment, as shown in fig. 2 and 4, the sensor 201 may be a pressure sensor, and a pressure sensor is also disposed at a side position of the printer head, and when the printer finishes printing and drives the head to move above the head nozzle mechanism 600, the pressure sensor at the side position of the printer head is just extruded with the pressure sensor at the side of the ink sealing lifting base 200, and then forms a sensing signal, and transmits the sensing signal to the micro switch, so as to start the speed reduction motor 501. A sensor support is fixed on the side face of the ink sealing lifting base 200 through bolts, and the sensor 201 is fixed on the sensor support through bolts.
Further, the eccentric mechanism 500 further includes a micro switch 505, and the micro switch 505 is electrically connected to the reduction motor 501 and the inductor 201, respectively.
In the present embodiment, as shown in fig. 2 and 4, the micro switch 505 is fixed to the sensor holder by bolts, and the on/off of the micro switch 505 is controlled by the sensor 201 sensing the printer head, thereby controlling the on/off of the reduction motor 501.
Further, the head nozzle mechanism 600 includes a head nozzle 601, an isolation column 602, and an elastic member 603;
the number of the isolation columns 602 is four, and the four isolation columns 602 are uniformly distributed and connected to the bottom surface of the nozzle suction nozzle 601; the upper end of the isolation column 602 is connected with the nozzle 601, and the lower end of the isolation column 602 is connected with the top surface of the ink sealing lifting base 200;
the number of the elastic members 603 is four corresponding to the number of the isolation columns 602, and one elastic member 603 is sleeved on one isolation column 602.
In this embodiment, as shown in fig. 1 and 5, the elastic member 603 is a spring. Four isolation columns 602 are connected to four corners of the bottom surface of the nozzle 601, the four isolation columns 602 support and fix the nozzle 601, and the elastic member 603 is sleeved on each isolation column 602, so that a good sealing effect is ensured when the nozzle is pressed down.
Further, the isolation column 602 includes a first hollow column 604 and a second hollow column 605;
one end of the elastic member 603 is sleeved on the column body of the first hollow column 604, and the other end is sleeved on the column body of the second hollow column 605;
the abutting gasket at the lower end of the first hollow column 604 is connected to the ink sealing base bottom plate 100, and the abutting gasket of the second hollow column 605 is connected to the ink sealing lifting base 200; the central bore of the first hollow post 604 and the central bore of the second hollow post 605 are connected by screws.
In this embodiment, as shown in fig. 1, 5 and 6, the elastic member 603 is sleeved on the columns of the two hollow columns. A threaded hole is formed in the ink sealing seat bottom plate 100, a threaded shaft is arranged at the lower end of the first hollow column 604, and the lower end of the first hollow column 604 is fixed on the ink sealing seat bottom plate 100 in a threaded connection mode. The ink sealing lifting base 200 is provided with a threaded hole, the upper end of the second hollow column 605 is provided with a threaded shaft, and the upper end of the second hollow column 605 is in threaded connection with the ink sealing lifting base 200. The center of the first hollow column 604 is provided with a threaded blind hole, the center of the second hollow column 605 is provided with a threaded through hole, the threaded member is a bolt, and the bolt penetrates through the center of the second hollow column 605 and is in threaded connection with the center of the first hollow column 604.
Further, the nozzle head and suction nozzle mechanism 600 further comprises a limiting gasket 606;
the spacing gasket 606 is sleeved on the isolation column 602 and abuts against the top end of the elastic element 603.
In this embodiment, as shown in fig. 1 and 5, the position of the top end of the elastic member 603 is limited by the limiting pad 606, so as to ensure that the top end of the elastic member 603 can return in time.
Further, a hollow groove 202 is formed in the ink sealing lifting base 200 at a position below the head suction nozzle 601.
In this embodiment, as shown in fig. 1 and 4, the hollow groove 202 is a square through groove, which reduces the weight of the ink sealing lifting base 200 and facilitates the movement of the ink sealing lifting base 200 along the vertical direction.
Further, the lower end face of the ink sealing
lifting base 200 is connected
The type of the
abutment plate 203 is such that,
the bottom surface of the shaped
abutment plate 203 is adapted to abut against the eccentric 503.
In the present embodiment, as shown in fig. 2 and 4,
the bottom surface of the
type abutting plate 203 abuts against the
eccentric wheel 503, so that the
eccentric wheel 503 is prevented from directly contacting with the lower end surface of the ink sealing
lifting base 200, and the lower end surface of the ink sealing
lifting base 200 is prevented from being abraded.
Further, the bottom surface of the ink sealing lifting base 200 is connected with a hook plate 204, and the upper end of the tension spring 400 is connected with the hook plate 204;
two hook grooves 101 are arranged on the ink sealing seat bottom plate 100, and the lower end of the tension spring 400 is connected to a connecting plate between the two hook grooves 101.
In the present embodiment, as shown in fig. 2 and 4, the hook plate 204 is a strip-shaped plate disposed along the width direction of the ink sealing lifting base 200, and hooks bent inward are respectively formed at the front and rear ends of the strip-shaped plate so as to hook the upper end of the tension spring 400 by using the hooks. As shown in fig. 3, the hook groove 101 is a square through groove formed on the ink sealing seat bottom 100, and the lower end of the tension spring 400 can hook the connecting plate between the two hook grooves 101 for fixing.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.