Automatic rotating and lifting printing trolley combined structure

Abstract

The invention discloses an automatic rotating and lifting printing trolley combined structure which comprises a printing trolley, a cross beam stretching over paper and a sliding base arranged on the cross beam in a sliding mode, the cross beam is arranged above the paper in a lifting mode, a rotating shaft is fixed to the middle of the upper side of the printing trolley and rotatably installed on the sliding base, and the printing trolley is arranged on the sliding base. A servo motor and a speed reducer are arranged on the sliding base, the servo motor is installed on the speed reducer, and the rotating shaft is installed on an output shaft of the speed reducer. According to the automatic rotating and lifting printing trolley combined structure, the speed reducer is driven by the servo motor, then the speed reducer drives the rotating shaft to drive the whole printing trolley to automatically rotate below the sliding base, and therefore automatic switching can be achieved compared with a manual rotating mode in the prior art.

Description

Technical Field

[0001] The present invention relates to a digital printing machine, and more particularly to a combined structure of an automatically rotating and lifting printing carriage. Background Art

[0002] The existing digital printing machines mainly print corrugated paper by scanning and direct injection. The existing digital printing machines are provided with a rotating carriage above the suction unit, and the nozzle is arranged in the rotating carriage, so as to realize the switching between the scanning and direct injection modes through the rotation of the rotating carriage. At present, the existing rotating carriage adopts a manually rotating structure, that is, a side beam is arranged on the suction unit, a base is slidably arranged on the side beam, the rotating carriage is installed on the base through a turning force rotating shaft, and during the switching process, a person manually pushes the rotating carriage to rotate, so as to realize the switching between the scanning and direct injection modes. However, the above artificial method has the problem of low switching efficiency. Summary of the Invention

[0003] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a combined structure of an automatically rotating and lifting printing carriage with high switching efficiency between the scanning and direct injection modes.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A combined structure of an automatically rotating and lifting printing carriage, including a printing carriage, a cross beam spanning above the paper, and a sliding base slidably arranged on the cross beam. The cross beam is arranged to be liftable above the paper, a rotating shaft is fixed in the middle of the upper side of the printing carriage, the rotating shaft is rotatably installed on the sliding base, a servo motor and a speed reducer are arranged on the sliding base, the servo motor is installed on the speed reducer, and the rotating shaft is installed on the output shaft of the speed reducer.

[0005] As a further improvement of the present invention, a locking device is arranged on the upper side of the printing carriage, and the locking device locks and positions the printing carriage after the printing carriage rotates.

[0006] As a further improvement of the present invention, the locking device includes a magnetic lock block and two locking electromagnets. The two locking electromagnets are fixedly installed on the upper side surface of the printing carriage, and the magnetic lock block is fixedly installed on the lower side surface of the sliding base, so as to magnetically adsorb the magnetic lock block by one of the locking electromagnets after the printing carriage rotates in place to lock and position the printing carriage.

[0007] As a further improvement of the present invention, the printing carriage includes a housing, a nozzle array installed on the lower side surface of the housing, an ink cartridge installed in the housing, and a thermostat. The ink cartridge, the thermostat, and the nozzle array are connected to each other through pipelines to heat the ink output from the ink cartridge and send it into the nozzle array, so that the ink is output at a constant temperature.

[0008] As a further improvement of the present invention patent, the thermostat includes an input pipeline and an output pipeline. Both the input loop and the output loop are connected to an external constant-temperature water device. A temperature-control U-shaped tube is arranged inside the ink cartridge. The input pipeline and the output pipeline are both connected to the temperature-control U-shaped tube inside the ink cartridge through pipelines, so as to provide constant-temperature water to enter the temperature-control U-shaped tube inside the ink cartridge and return to the external constant-temperature water device from the output pipeline after circulation.

[0009] As a further improvement of the present invention patent, it further includes a mounting frame which is arranged at a position close to the side of the paper. A number of mounting rods are fixed on the cross beam. The ends of the number of mounting rods are mounted on the mounting frame in a liftable manner, so as to drive the cross beam to move up and down above the paper.

[0010] As a further improvement of the present invention patent, a lifting angle steel is mounted on the side surface of the mounting frame in a liftable manner. The end of the mounting rod is fixedly mounted on the upper side surface of the lifting angle steel through bolts. A driving device for driving the lifting angle steel to move up and down is arranged on the upper side surface of the mounting frame.

[0011] As a further improvement of the present invention patent, the driving device includes a driving motor and a number of bevel gear elevators. The number of bevel gear elevators are respectively mounted at positions of the mounting frame corresponding to the lifting angle steel one by one. The bevel gear elevator has an input shaft and an output shaft. The input shaft is linked with the driving motor, and the output shaft passes through the mounting frame downward and is threadedly connected with the lifting angle steel.

[0012] As a further improvement of the present invention patent, the bevel gear elevator also has a linkage shaft. There are four bevel gear elevators which are respectively located at the four corners of the mounting frame. The driving motor is between two bevel gear elevators and is coaxially fixed with the input shafts of the two bevel gear elevators through a gear box. The linkage shafts of the other two bevel gear elevators are respectively coaxial with the linkage shafts of the two bevel gear elevators on one side of the driving motor.

[0013] As a further improvement of the present invention patent, the sliding base includes a base plate and a number of base sliders. The number of base sliders are fixedly mounted on the upper side surface of the base plate. A slide rail is fixed on the lower side edge of the cross beam. The number of base sliders are slidably arranged on the slide rail, so as to slidably arrange the base plate below the cross beam. A linear motor stator parallel to the slide rail is also fixed at a position of the cross beam close to the slide rail. A linear motor mover is arranged on the upper side surface of the base plate below the linear motor stator.

[0014] The beneficial effects of the present invention are as follows. The liftable setting of the crossbeam breaks the limitations of traditional printing equipment on paper thickness and printing position. It can be flexibly adjusted in height according to different printing tasks, greatly broadening the scope of application of the equipment. At the same time, by rotatably connecting the middle part of the printing carriage to the sliding base, automatic rotation switching of the printing carriage can be achieved. In this way, compared with the method of using a side crossbeam and side flipping in the prior art, the switching efficiency is higher. Also, by installing a power rotating shaft in the middle part of the printing carriage, the load of the printing carriage can be made more balanced, and its service life is longer compared with the method of using single-sided flipping in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structure diagram of the automatic rotating and lifting printing carriage combination structure of the present invention; Figure 2 is Figure 1 the overall structure diagram of the printing carriage in Figure 3 is Figure 1 the overall structure diagram of the crossbeam part in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The following will further elaborate on the present invention in combination with the embodiments given in the drawings.

[0017] Referring to Figures 1 to 3 as shown, an automatic rotating and lifting printing carriage combination structure of this embodiment includes a printing carriage 3, a crossbeam 4 spanning above the paper, and a sliding base 5 slidably arranged on the crossbeam 4. The crossbeam 4 is liftably arranged above the paper. A rotating shaft 31 is fixed in the middle of the upper side of the printing carriage 3, and the rotating shaft is rotatably installed on the sliding base 5. A servo motor and a speed reducer are provided on the sliding base 5. The servo motor is installed on the speed reducer, and the rotating shaft 31 is installed on the output shaft of the speed reducer. When it is necessary to switch the mode of the printing carriage 3, the servo motor is used to drive the speed reducer to work. After the torque is increased by the speed reducer, the printing carriage 3 is further driven to rotate, so that the printing carriage 3 switches the mode. Compared with the manual rotation and switching in the prior art, automatic rotation switching is realized. At the same time, compared with the method of using side flipping in the prior art, the rotation of the printing carriage 3 is more stable and reliable, the centrifugal force during the rotation of the power rotating shaft part is smaller, and the service life of the rotating power shaft of the printing carriage 3 is longer.

[0018] As a specific improvement embodiment, a locking device 32 is provided on the upper side of the printing carriage 3. After the printing carriage rotates, the locking device 32 locks and positions the printing carriage 3. In order to increase the stability of the printing carriage during printing, in this embodiment, a locking device 32 is provided on the upper side of the printing carriage to further lock and position the rotated printing carriage.

[0019] As a specific embodiment of the improvement, the locking device 32 includes a magnetic lock block 322 and two locking electromagnets 321. The two locking electromagnets 321 are fixedly installed on the upper side surface of the printing carriage 3, and the magnetic lock block 322 is fixedly installed on the lower side surface of the sliding base 5. After the printing carriage 3 rotates into place, one of the locking electromagnets 321 magnetically adsorbs the magnetic lock block 322 to lock and position the printing carriage 3. On the one hand, the locking electromagnet 321 and the magnetic lock block 322 are locked by magnetic adsorption. Compared with the traditional mechanical locking structure, its response speed is faster, and it can quickly complete the locking action at the moment when the printing carriage rotates into place, greatly improving the work efficiency. On the other hand, the magnetic adsorption method avoids the wear caused by mechanical contact, prolongs the service life of the locking device 32, and reduces the maintenance cost.

[0020] As a specific embodiment of the improvement, the printing carriage 3 includes a housing 33, a nozzle array 34 installed on the lower side surface of the housing 33, an ink cartridge 35 installed in the housing 33, and a thermostat. The ink cartridge 35, the thermostat, and the nozzle array 34 are connected to each other through pipelines to heat the ink output from the ink cartridge 35 and send it into the nozzle array 34, so that the ink is output at a constant temperature. Compared with the prior art where no heating method is adopted, after the ink is heated and temperature-controlled, the viscosity can be reduced, avoiding problems such as poor ink fluidity and mismatched printing waveforms, and making the ink output from the nozzle array 34 smoother.

[0021] As a specific embodiment of the improvement, the thermostat includes an input pipeline and an output pipeline. Both the input pipeline and the output pipeline are connected to an external constant-temperature water device. A temperature-control U-shaped pipe is penetrated in the ink cartridge 35. Both the input pipeline and the output pipeline are connected to the temperature-control U-shaped pipe in the ink cartridge 35 through pipelines to provide constant-temperature water to enter the temperature-control U-shaped pipe in the ink cartridge 35 and return to the external constant-temperature water device after circulation, heating the ink by circulating hot water into the temperature-control U-shaped pipe. It can achieve more uniform heating of the ink, avoid problems caused by uneven ink temperature, and can also adopt the method of passing cold water to cool down when the temperature is relatively high, thus simply and effectively realizing constant-temperature control.

[0022] As a specific embodiment of the improvement, it further includes a mounting frame 11, which is arranged at a position close to the side of the paper. A plurality of mounting rods 43 are fixed on the cross beam 4, and the ends of the plurality of mounting rods 43 are installed on the mounting frame 11 in a liftable manner to drive the cross beam 4 to move up and down above the paper. By changing the mounting height of the mounting rods 43 on the mounting frame 11, the lifting of the cross beam 4 is realized. The height of the cross beam 4 can be adjusted according to the actual working requirements, improving the applicability of the equipment.

[0023] As a specific embodiment of the improvement, a lifting angle steel 12 is installed on the side of the mounting bracket 11 in a liftable manner. The end of the mounting rod 43 is fixedly installed on the upper side of the lifting angle steel 12 through bolts. A driving device 13 for driving the lifting angle steel 12 to move up and down is provided on the upper side of the mounting bracket 11. The driving device 13 drives the lifting angle steel 12 to lift, thereby driving the mounting rod 43 and the cross beam 4 to lift. The structure is simple, convenient for operation and maintenance, and can effectively control the lifting of the cross beam 4.

[0024] As a specific embodiment of the improvement, the following driving device 13 is provided in this embodiment. The driving device 13 includes a driving motor 131 and a plurality of bevel gear elevators 132. The plurality of bevel gear elevators 132 are respectively installed at positions of the mounting bracket 11 relative to the lifting angle steel 12. The bevel gear elevator 132 has an input shaft and an output shaft. The input shaft is linked with the driving motor 131, and the output shaft passes through the mounting bracket 11 downward and is threadedly connected to the lifting angle steel 12. The driving motor 131 drives the input shaft of the bevel gear elevator 132 to rotate. Through bevel gear transmission, the output shaft rotates. Since the output shaft is threadedly connected to the lifting angle steel 12, the lifting of the lifting angle steel 12 is realized. At the same time, by using the transmission of the bevel gear elevator 132, stable and precise lifting control is achieved, and a large load can be borne.

[0025] As a specific embodiment of the improvement, the bevel gear elevator 132 also has a linkage shaft. Four bevel gear elevators 132 are provided, which are respectively located at the four corners of the mounting bracket 11. The driving motor 131 is located between two bevel gear elevators 132 and is coaxially fixed to the input shafts of the two bevel gear elevators 132 through a gearbox. The linkage shafts of the other two bevel gear elevators 132 are respectively coaxially connected to the linkage shafts of the two bevel gear elevators 132 on one side of the driving motor 131. The driving motor 131 drives two bevel gear elevators 132 through the gearbox, and these two bevel gear elevators 132 drive the other two bevel gear elevators 132 to work synchronously through the linkage shafts. It ensures the synchronous operation of the four bevel gear elevators 132, enables the lifting angle steel 12 to lift smoothly, and avoids tilting.

[0026] As a specific implementation of the improvement, the sliding base 5 includes a base plate 51 and a plurality of base sliders 52. The plurality of base sliders 52 are fixedly installed on the upper side of the base plate 51. A slide rail 41 is fixed to the lower side of the cross beam 4. The plurality of base sliders 52 are slidably arranged on the slide rail 41 so that the base plate 51 is slidably arranged below the cross beam 4. A linear motor stator 42 parallel to the slide rail 41 is further fixed at a position of the cross beam 4 close to the slide rail 41. A linear motor mover 53 is arranged below the linear motor stator 42 on the upper side of the base plate 51. After the linear motor mover 53 is powered on, electromagnetic interaction is generated with the linear motor stator 42 to drive the base plate 51 to slide on the slide rail 41 through the base sliders 52. Precise and stable sliding of the base plate 51 below the cross beam 4 is achieved.

[0027] In summary, for the automatic rotation and lifting printing trolley combined structure of this embodiment, by arranging the rotating shaft 31 in the middle of the upper side of the printing trolley, compared with the side flipping method in the prior art, the burden on the rotating shaft 31 can be effectively reduced and automatic rotation and switching can be achieved.

[0028] The above are only the preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions within the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. An automatic rotating lifting printing carriage assembly structure, comprising a printing carriage (3), a beam (4) spanning above a paper sheet, and a sliding base (5) slidably arranged on the beam (4), characterized in that: The crossbeam (4) is arranged to be raised and lowered above the paper, a rotating shaft (31) is fixed to the middle of the upper side of the printing carriage (3), the rotating shaft (31) is rotatably mounted on a sliding base (5), a servo motor and a reducer are provided on the sliding base (5), the servo motor is mounted on the reducer, and the rotating shaft (31) is mounted on the output shaft of the reducer.

2. The automatic rotating lifting printing carriage assembly structure according to claim 1 is characterized in that: A locking device (32) is provided on the upper side of the printing carriage (3), and the locking device (32) locks and positions the printing carriage (3) after the printing carriage rotates.

3. The automatic rotating lifting printing carriage assembly structure according to claim 2 is characterized in that: The locking device (32) comprises a magnetic locking block (322) and two locking electromagnets (321), wherein the two locking electromagnets (321) are fixedly mounted on the upper side of the printing carriage (3), and the magnetic locking block (322) is fixedly mounted on the lower side of the sliding base (5), so that after the printing carriage (3) is rotated into position, one of the locking electromagnets (321) magnetically attracts the magnetic locking block (322) to lock the printing carriage (3) in place.

4. The automatic rotating lifting printing carriage assembly structure according to claim 1, 2 or 3, characterized in that: The printing carriage (3) comprises a housing (33), a nozzle array (34) mounted on the lower side of the housing (33), an ink cartridge (35) mounted in the housing (33), and a thermostat. The ink cartridge (35), the thermostat, and the nozzle array (34) are interconnected via a pipeline so that ink output from the ink cartridge (35) is heated and then sent to the nozzle array (34), so that the ink is output at a constant temperature.

5. The automatic rotating lifting printing carriage assembly structure according to claim 4 is characterized in that: The thermostat comprises an input pipeline and an output pipeline, both of which are connected to an external constant temperature water device. A temperature control U-shaped tube is provided in the ink cartridge, and both of which are connected to the heating U-shaped tube in the ink cartridge (35) through a pipeline, so that constant temperature water enters the temperature control U-shaped tube in the ink cartridge (35) for circulation and then returns to the external constant temperature water device from the output pipeline.

6. The automatic rotating lifting printing carriage assembly structure according to claim 1, 2 or 3, characterized in that: It also comprises a mounting frame (11), the mounting frame (11) being arranged at a position close to the side edge of the paper, a plurality of mounting rods (43) being fixed on the crossbeam (4), and the ends of the plurality of mounting rods (43) being movably mounted on the mounting frame (11) to drive the crossbeam (4) to move up and down above the paper.

7. The automatic rotating lifting printing carriage assembly structure according to claim 6 is characterized in that: A lifting angle steel (12) is installed on the side of the mounting frame (11) in a liftable manner, the end of the mounting rod (43) is fixed to the upper side of the lifting angle steel (12) by means of bolts, and a driving device (13) for driving the lifting angle steel (12) to move up and down is provided on the upper side of the mounting frame (11).

8. The automatic rotating lifting printing carriage assembly structure according to claim 7 is characterized in that: The driving device (13) comprises a driving motor (131) and a plurality of bevel gear elevators (132). The plurality of bevel gear elevators (132) are mounted one by one on the mounting frame (11) at positions relative to the lifting angle steel (12). The bevel gear elevators (132) have an input shaft and an output shaft. The input shaft is linked to the driving motor (131). The output shaft passes downward through the mounting frame (11) and is threadedly connected to the lifting angle steel (12).

9. The automatic rotating lifting printing carriage assembly structure according to claim 8 is characterized in that: The bevel gear elevator (132) also has a linkage shaft. Four bevel gear elevators (132) are provided and are respectively located at the four corners of the mounting frame (11). The drive motor (131) is located between two bevel gear elevators (132) and is coaxially fixed to the input shafts of the two bevel gear elevators (132) via a gear box. The linkage shafts of the other two bevel gear elevators (132) are respectively coaxial with the linkage shafts of the two bevel gear elevators (132) located on one side of the drive motor (131).

10. The automatic rotating lifting printing carriage assembly structure according to claim 1, 2 or 3, characterized in that: The sliding base (5) comprises a base plate (51) and a plurality of base sliders (52), wherein the plurality of base sliders (52) are fixedly mounted on the upper side of the base plate (51), a slide rail (41) is fixedly mounted on the lower side of the cross beam (4), and the plurality of base sliders (52) are slidably mounted on the slide rail (41) so that the base plate (51) can be slidably mounted below the cross beam (4), a linear motor stator (42) arranged parallel to the slide rail (41) is also fixedly mounted on the cross beam (4) at a position close to the slide rail (41), and a linear motor mover (53) is disposed on the upper side of the base plate (51) relative to the lower side of the linear motor stator (42).

Images