Calibration device with accurate ink-jet positioning function

Abstract

The utility model relates to the technical field of printing, in particular to a precise ink-jet positioning and calibrating device, which not only can detect the mounting angle of a spray head and facilitate the calibration of the spray head, but also can automatically wipe a printing line at the upper end of an oily plate, and is convenient to use, low in labor intensity and high in practicability. Comprising a bottom plate and nozzles; the device further comprises an oily plate, a clamping mechanism, a front-and-back moving mechanism, a lifting mechanism, a left-and-right moving mechanism and a wiping mechanism, the left-and-right moving mechanism is installed on the bottom plate through the lifting mechanism, the lifting mechanism is used for lifting the left-and-right moving mechanism, and the spray head is installed on the left-and-right moving mechanism and used for moving the spray head left and right; the oily plate is clamped and fixed through the clamping mechanism, the clamping mechanism is installed on the bottom plate through the front-back moving mechanism, the front-back moving mechanism is used for moving the clamping mechanism front and back, the wiping mechanism is installed on the bottom plate and has a wiping function, and a positioning cross line is arranged at the upper end of the oily plate.

Description

Technical Field

[0001] The utility model relates to the technical field of printing, in particular to a precise inkjet positioning and calibration device. Background Art

[0002] An inkjet printer is a device that sprays ink onto a printing substrate through a nozzle. After the inkjet printer has been used for a period of time, the angle of the nozzle needs to be calibrated to ensure that it is in a vertical state, thereby ensuring the inkjet accuracy. Currently, the calibration method for the nozzle on an inkjet printer is to spray a crosshair onto an oily plate by the inkjet printer, and then the operator observes the skew degree of the crosshair on the oily plate to infer the angle of the nozzle, and then adjusts the angle of the nozzle. After that, the operator wipes off the crosshair on the oily plate with a board eraser; there are the following problems in its use. After the nozzle calibration is completed, the operator still needs to manually wipe off the crosshair printed on the oily plate, which is inconvenient to use and has a high labor intensity. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides a precise inkjet positioning and calibration device that can not only detect the installation angle of the nozzle, facilitate the calibration of the nozzle, but also automatically wipe the printed line at the upper end of the oily plate, which is convenient to use, has a low labor intensity, and high practicality.

[0004] The precision inkjet positioning and calibration device of the utility model comprises a bottom plate and a nozzle; it further includes an oily plate, a clamping mechanism, a front-back moving mechanism, a lifting mechanism, a left-right moving mechanism and a wiping mechanism. The left-right moving mechanism is installed on the bottom plate through the lifting mechanism, and the lifting mechanism is used to lift the left-right moving mechanism. The nozzle is installed on the left-right moving mechanism, and the left-right moving mechanism is used to move the nozzle left and right. The oily plate is clamped and fixed by the clamping mechanism, and the clamping mechanism is installed on the bottom plate through the front-back moving mechanism, and the front-back moving mechanism is used to move the clamping mechanism back and forth. The wiping mechanism is installed on the bottom plate, and the wiping mechanism has the function of wiping. A positioning crosshair is arranged at the upper end of the oily plate; when calibrating the angle of the nozzle, first clamp and fix the oily plate through the clamping mechanism, then move the nozzle to the central position in the left-right direction through the left-right moving mechanism, then move the clamping mechanism to drive the oily plate back and forth through the front-back moving mechanism, so that the oily plate moves to the central position in the front-back direction, then drive the left-right moving mechanism to drive the nozzle to descend through the lifting mechanism until the distance between the nozzle and the upper end of the oily plate is a suitable distance for spraying and printing, then turn on the left-right moving mechanism, and the left-right moving mechanism drives the nozzle to move left and right. A horizontal line is printed on the oily plate during the left-right movement of the nozzle. Then make the nozzle return to the initial position again, then turn on the front-back moving mechanism, and the front-back moving mechanism drives the oily plate to move back and forth through the clamping mechanism. A vertical line is printed on the upper end of the oily plate by the nozzle during the back-and-forth movement of the oily plate, so that a crosshair is printed on the upper end of the oily plate by the nozzle. Then, by comparing the deviation between the crosshair printed on the upper end of the oily plate by the nozzle and the set positioning crosshair on the oily plate, it can be inferred whether the angle of the nozzle is in a vertical state, and then the installation angle of the nozzle can be adjusted according to the result shown on the oily plate; then move the oily plate under the wiping mechanism, and then automatically wipe off the crosshair printed on the upper end of the oily plate by the wiping mechanism; it can not only detect the installation angle of the nozzle, facilitate the calibration of the nozzle, but also automatically wipe the printed line on the upper end of the oily plate, which is convenient to use, has low labor intensity and high practicability.

[0005] Preferably, the clamping mechanism includes a moving plate, a lead screw A, two sets of clamping plates, two sets of screws, and four sets of positioning plates. The moving plate is installed on the front-back moving mechanism. The lead screw A is rotatably installed on the moving plate. The left and right parts of the lead screw A are respectively provided with external threads with opposite helix directions. The two sets of clamping plates are both slidably installed on the moving plate left and right. The two sets of clamping plates are respectively screwed to the left and right parts of the lead screw A. One set of screw is rotatably installed on each of the two sets of clamping plates. The front and back parts of the two sets of screws are respectively provided with external threads with opposite helix directions. Two sets of positioning plates are slidably installed on each of the two sets of clamping plates front and back. And one set of positioning plate is screwed to the front and back parts of each of the two sets of screws. Place the positioning plates on the upper end of the moving plate, and then rotate the lead screw A. The rotating lead screw A makes the two sets of clamping plates approach each other until the two sets of clamping plates respectively contact the front and rear ends of the oily plate. Then rotate the two sets of screws. The rotating two sets of screws make the four sets of positioning plates approach each other in the front-back direction, so that the four sets of positioning plates respectively contact the front and rear ends of the oily plate. Clamp and position the oily plate front and back through the four sets of positioning plates, and clamp and position the oily plate left and right through the two sets of clamping plates. It is convenient to clamp and position the oily plate.

[0006] Preferably, the front-back moving mechanism includes a vertical plate, a servo motor, a lead screw B, and a track. The vertical plate is fixedly installed on the upper end of the bottom plate. The servo motor is fixedly installed on the vertical plate. The lead screw B is rotatably installed on the vertical plate. The front end of the lead screw B is connected to the output end of the servo motor. The track is fixedly installed on the bottom plate. The moving plate is slidably installed on the track front and back. The moving plate is screwed to the lead screw B. When moving the oily plate back and forth, turn on the servo motor. The servo motor drives the lead screw B to rotate. The rotating lead screw B drives the oily plate to move back and forth through the moving plate. It is convenient to move the oily plate back and forth.

[0007] Preferably, the wiping mechanism includes an electric slide rail A, a sliding plate, a support frame, an electric push rod, and a connecting plate. The electric slide rail A is fixedly installed at the rear of the bottom plate. The sliding plate is installed on the electric slide rail A. The electric slide rail A is used to move the sliding plate back and forth. The support frame is fixedly installed on the upper end of the sliding plate. The fixed end of the upper part of the electric push rod is fixedly installed on the support frame. The connecting plate is fixedly installed on the moving end of the lower part of the electric push rod. A plate wiper is arranged at the lower end of the connecting plate. After the angle detection of the nozzle is completed, the clamping mechanism drives the oily plate to move under the connecting plate through the front-back moving mechanism. Then the electric push rod makes the connecting plate drive the plate wiper to descend until the plate wiper contacts the upper end of the oily plate. Then the electric slide rail A makes the sliding plate drive the support frame to move back and forth. The support frame makes the connecting plate drive the plate wiper to move back and forth through the electric push rod. The plate wiper wipes the printing line at the upper end of the oily plate clean during the back-and-forth movement. It is convenient to wipe the printing line at the upper end of the oily plate.

[0008] Preferably, the lifting mechanism includes a fixed frame, a hydraulic cylinder, and a sliding rod. The fixed frame is fixedly installed at the upper end of the bottom plate. The hydraulic cylinder is fixedly installed at the upper end of the fixed frame. The sliding rod is slidably installed on the fixed frame up and down. The upper end of the sliding rod is connected to the output end of the hydraulic cylinder. The left and right moving mechanism is installed at the lower end of the sliding rod. When printing a test line on the oily plate, open the hydraulic cylinder. The hydraulic cylinder drives the left and right moving mechanism to drive the nozzle to adjust the height through the sliding rod until the distance between the nozzle and the upper end of the oily plate is a suitable distance for printing. Since the height of the nozzle can be adjusted, it can print oily plates of any height, which is convenient to use and has low limitations.

[0009] Preferably, the left and right moving mechanism includes a lifting plate, an electric slide rail B, and a sliding plate. The lifting plate is slidably installed on the fixed frame up and down. The electric slide rail B is installed at the lower end of the lifting plate. The sliding plate is installed on the electric slide rail B. The electric slide rail B is used to move the sliding plate left and right. The nozzle is fixedly installed at the lower end of the sliding plate through bolts. When horizontally printing on the oily plate through the nozzle, open the electric slide rail B. The electric slide rail B drives the sliding plate to move left and right. The sliding plate drives the nozzle to move left and right. The nozzle can horizontally print a line on the upper end of the oily plate during the left and right movement. It is convenient to move the nozzle left and right.

[0010] Preferably, it further includes a pointer A and a pointer B. The pointer A is fixedly installed on the sliding plate. A marking line A is provided on the lifting plate. The pointer A points to the marking line A. The pointer B is fixedly installed on the moving plate. A marking line B is provided on the bottom plate. The pointer B points to the marking line B. The projection position of the lower end of the nozzle on the oily plate is located at the center of the positioning crosshair. Through the above settings, when the oily plate is clamped and fixed on the upper end of the moving plate, making the pointer B point to the marking line B and the pointer A point to the marking line A can ensure that the projection position of the lower end of the nozzle is located at the center of the positioning crosshair on the oily plate, which is convenient for positioning the nozzle and the oily plate.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: It can not only detect the installation angle of the nozzle, which is convenient for calibrating the nozzle, but also automatically wipe the printing line on the upper end of the oily plate, which is convenient to use, has low labor intensity, and high practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the first axonometric structural schematic diagram of the present utility model;

[0013] Figure 2 is the second axonometric structural schematic diagram of the present utility model;

[0014] Figure 3 is the structural schematic diagram of the wiping mechanism, the front and back moving mechanism, and the clamping mechanism;

[0015] Figure 4 is the structural schematic diagram of the clamping mechanism;

[0016] Figure 5 It is a schematic structural diagram of a lifting mechanism, a left - right moving mechanism, and a nozzle.

[0017] Reference numerals in the drawings: 1, base plate; 2, nozzle; 3, oil - resistant plate; 4, moving plate; 5, lead screw A; 6, clamping plate; 7, screw; 8, positioning plate; 9, vertical plate; 10, servo motor; 11, lead screw B; 12, track; 13, electric slide rail A; 14, sliding plate; 15, support frame; 16, electric push rod; 17, connecting plate; 18, fixed frame; 19, hydraulic cylinder; 20, sliding rod; 21, lifting plate; 22, electric slide rail B; 23, sliding plate; 24, pointer A; 25, pointer B. Detailed implementation manners

[0018] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0019] It should be noted in advance that: the "central position" described in this case refers to the situation where, assuming the angle of the nozzle 2 is in a vertical state, when the projection position of the nozzle 2 on the oil - resistant plate 3 is located at the center of the positioning cross - line on the oil - resistant plate 3, the positions of the nozzle 2 and the oil - resistant plate 3 are at the "central position", and the central position has been set in advance before the product leaves the factory.

[0020] Embodiment 1

[0021] As Figures 1 to 5, the precision inkjet positioning and calibration device of the present utility model includes a bottom plate 1, a nozzle 2, an oil plate 3, a clamping mechanism, a front-back movement mechanism, a lifting mechanism, a left-right movement mechanism, and a wiping mechanism. The left-right movement mechanism is installed on the bottom plate 1 through the lifting mechanism. The lifting mechanism is used to lift the left-right movement mechanism. The nozzle 2 is installed on the left-right movement mechanism. The left-right movement mechanism is used to move the nozzle 2 left and right. The oil plate 3 is clamped and fixed by the clamping mechanism. The clamping mechanism is installed on the bottom plate 1 through the front-back movement mechanism. The front-back movement mechanism is used to move the clamping mechanism back and forth. The wiping mechanism is installed on the bottom plate 1 and has the function of wiping. A positioning crosshair is provided at the upper end of the oil plate 3; when calibrating the angle of the nozzle 2, first clamp and fix the oil plate 3 through the clamping mechanism, then move the nozzle 2 to the center position in the left-right direction through the left-right movement mechanism, and then move the clamping mechanism to drive the oil plate 3 back and forth through the front-back movement mechanism, so that the oil plate 3 moves to the center position in the front-back direction. Then, drive the nozzle 2 to descend through the lifting mechanism so that the distance between the nozzle 2 and the upper end of the oil plate 3 is a suitable distance for spraying and printing. Then, turn on the left-right movement mechanism, and the left-right movement mechanism drives the nozzle 2 to move left and right. A horizontal line is printed on the oil plate 3 during the left-right movement of the nozzle 2. Then, make the nozzle 2 return to the initial position again. Then, turn on the front-back movement mechanism, and the front-back movement mechanism drives the oil plate 3 to move back and forth through the clamping mechanism. A vertical line is printed on the upper end of the oil plate 3 by the nozzle 2 during the back-and-forth movement of the oil plate 3, so that a crosshair is printed on the upper end of the oil plate 3 by the nozzle 2. Then, by comparing the deviation between the crosshair printed on the upper end of the oil plate 3 by the nozzle 2 and the set positioning crosshair on the oil plate 3, it can be inferred whether the angle of the nozzle 2 is in a vertical state. Then, adjust the installation angle of the nozzle 2 according to the result shown on the oil plate 3; then move the oil plate 3 below the wiping mechanism, and then automatically wipe off the crosshair printed on the upper end of the oil plate 3 through the wiping mechanism; it can not only detect the installation angle of the nozzle 2, facilitate the calibration of the nozzle 2, but also automatically wipe the printed line on the upper end of the oil plate 3, which is convenient to use, has low labor intensity, and high practicality.

[0022] Such as Figure 4, the clamping mechanism includes a moving plate 4, a lead screw A5, two groups of clamping plates 6, two groups of screws 7 and four groups of positioning plates 8. The moving plate 4 is installed on the front-back moving mechanism. The lead screw A5 is rotatably installed on the moving plate 4. The left and right parts of the lead screw A5 are respectively provided with external threads with opposite helix directions. The two groups of clamping plates 6 are both slidably installed on the moving plate 4 in the left-right direction. The two groups of clamping plates 6 are respectively screwed to the left and right parts of the lead screw A5. One group of screws 7 is rotatably installed on each of the two groups of clamping plates 6. The front and back parts of the two groups of screws 7 are respectively provided with external threads with opposite helix directions. Two groups of positioning plates 8 are slidably installed on each of the two groups of clamping plates 6 in the front-back direction. And one group of positioning plates 8 is screwed to the front and back parts of the two groups of screws 7 respectively. Place the positioning plates 8 on the upper end of the moving plate 4, and then rotate the lead screw A5. The rotating lead screw A5 makes the two groups of clamping plates 6 approach each other until the two groups of clamping plates 6 respectively contact the front and back ends of the oily plate 3. Then rotate the two groups of screws 7. The rotating two groups of screws 7 make the four groups of positioning plates 8 approach each other in the front-back direction, so that the four groups of positioning plates 8 respectively contact the front and back ends of the oily plate 3. Clamp and position the oily plate 3 front and back through the four groups of positioning plates 8, and clamp and position the oily plate 3 left and right through the two groups of clamping plates 6. It is convenient to clamp and position the oily plate 3.

[0023] As Figure 3 , the front-back moving mechanism includes a vertical plate 9, a servo motor 10, a lead screw B11 and a track 12. The vertical plate 9 is fixedly installed on the upper end of the bottom plate 1. The servo motor 10 is fixedly installed on the vertical plate 9. The lead screw B11 is rotatably installed on the vertical plate 9. The front end of the lead screw B11 is connected to the output end of the servo motor 10. The track 12 is fixedly installed on the bottom plate 1. The moving plate 4 is slidably installed on the track 12 in the front-back direction. The moving plate 4 is screwed to the lead screw B11. When moving the oily plate 3 back and forth, turn on the servo motor 10. The servo motor 10 drives the lead screw B11 to rotate. The rotating lead screw B11 drives the oily plate 3 to move in the front-back direction through the moving plate 4. It is convenient to move the oily plate 3 back and forth.

[0024] As Figure 3, the wiping mechanism includes an electric slide rail A13, a sliding plate 14, a support frame 15, an electric push rod 16 and a connecting plate 17. The electric slide rail A13 is fixedly installed at the rear of the bottom plate 1. The sliding plate 14 is installed on the electric slide rail A13. The electric slide rail A13 is used to move the sliding plate 14 back and forth. The support frame 15 is fixedly installed at the upper end of the sliding plate 14. The fixed end of the upper part of the electric push rod 16 is fixedly installed on the support frame 15. The connecting plate 17 is fixedly installed at the movable end of the lower part of the electric push rod 16. A plate wiper is arranged at the lower end of the connecting plate 17. After the angle detection of the nozzle 2 is completed, the clamping mechanism drives the oily plate 3 to move under the connecting plate 17 through the front and rear moving mechanism. Then, the electric push rod 16 is used to drive the connecting plate 17 to drive the plate wiper to descend until the plate wiper contacts the upper end of the oily plate 3. Then, the electric slide rail A13 is used to drive the sliding plate 14 to drive the support frame 15 to move back and forth. The support frame 15 drives the connecting plate 17 to drive the plate wiper to move back and forth through the electric push rod 16. The plate wiper can wipe the printing line at the upper end of the oily plate 3 clean during the back and forth movement; it is convenient to wipe the printing line at the upper end of the oily plate 3.

[0025] As Figure 5 , the lifting mechanism includes a fixed frame 18, a hydraulic cylinder 19 and a sliding rod 20. The fixed frame 18 is fixedly installed at the upper end of the bottom plate 1. The hydraulic cylinder 19 is fixedly installed at the upper end of the fixed frame 18. The sliding rod 20 is slidably installed up and down on the fixed frame 18. The upper end of the sliding rod 20 is connected to the output end of the hydraulic cylinder 19. The left and right moving mechanism is installed at the lower end of the sliding rod 20. When printing a test line on the oily plate 3, the hydraulic cylinder 19 is opened. The hydraulic cylinder 19 drives the left and right moving mechanism to drive the nozzle 2 to adjust the height through the sliding rod 20 until the distance between the nozzle 2 and the upper end of the oily plate 3 is a suitable distance for printing; since the height of the nozzle 2 can be adjusted, it can print on oily plates 3 of any height, which is convenient to use and has low limitations.

[0026] As Figure 5 , the left and right moving mechanism includes a lifting plate 21, an electric slide rail B22 and a sliding plate 23. The lifting plate 21 is slidably installed up and down on the fixed frame 18. The electric slide rail B22 is installed at the lower end of the lifting plate 21. The sliding plate 23 is installed on the electric slide rail B22. The electric slide rail B22 is used to move the sliding plate 23 left and right. The nozzle 2 is fixedly installed at the lower end of the sliding plate 23 through bolts. When horizontally printing on the oily plate 3 through the nozzle 2, the electric slide rail B22 is opened. The electric slide rail B22 drives the sliding plate 23 to move left and right. The sliding plate 23 drives the nozzle 2 to move left and right. The nozzle 2 can print a line horizontally at the upper end of the oily plate 3 during the left and right movement; it is convenient to move the nozzle 2 left and right.

[0027] Embodiment 2

[0028] On the basis of Embodiment 1, a pointer A24 and a pointer B25 are additionally provided. The pointer A24 is fixedly installed on the sliding plate 23. A marking line A is provided on the lifting plate 21, and the pointer A24 points to the marking line A. The pointer B25 is fixedly installed on the moving plate 4. A marking line B is provided on the bottom plate 1, and the pointer B25 points to the marking line B. The projection position of the lower end of the nozzle 2 on the oily plate 3 is located at the center of the positioning crosshair. Through the above settings, when the oily plate 3 is clamped and fixed at the upper end of the moving plate 4, making the pointer B25 point to the marking line B and the pointer A24 point to the marking line A can ensure that the projection position of the lower end of the nozzle 2 is located at the center of the positioning crosshair on the oily plate 3, facilitating the positioning of the nozzle 2 and the oily plate 3.

[0029] The oily plate 3, the servo motor 10, the electric slide rail A13, the electric push rod 16, the electric slide rail B22 and the pointer A24 of the present utility model with an accurate inkjet positioning and calibration device are all purchased on the market. Those skilled in the art only need to install and operate according to the attached instruction manual, without the need for creative labor from those skilled in the art.

[0030] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A device with precise inkjet positioning and calibration, comprising a base plate (1) and a nozzle (2); characterized in that: The oily plate (3) is also comprised of an oily plate (3), a clamping mechanism, a front-and-rear moving mechanism, a lifting mechanism, a left-and-right moving mechanism and a wiping mechanism. The left-and-right moving mechanism is mounted on the bottom plate (1) via the lifting mechanism. The lifting mechanism is used to lift the left-and-right moving mechanism. The nozzle (2) is mounted on the left-and-right moving mechanism. The left-and-right moving mechanism is used to move the nozzle (2) left-and-right. The oily plate (3) is clamped and fixed by the clamping mechanism. The clamping mechanism is mounted on the bottom plate (1) via the front-and-rear moving mechanism. The front-and-rear moving mechanism is used to move the clamping mechanism back-and-forth. The wiping mechanism is mounted on the bottom plate (1). The wiping mechanism has a wiping function. A positioning crosshair is provided at the upper end of the oily plate (3).

2. A device with precise inkjet positioning calibration as claimed in claim 1, characterized in that: The clamping mechanism comprises a moving plate (4), a lead screw A (5), two groups of clamping plates (6), two groups of screw rods (7) and four groups of positioning plates (8), wherein the moving plate (4) is mounted on the front-rear moving mechanism, the lead screw A (5) is rotatably mounted on the moving plate (4), the left and right parts of the lead screw A (5) are respectively provided with external threads with opposite rotation directions, the two groups of clamping plates (6) are both slidably mounted on the moving plate (4), the two groups of clamping plates (6) are respectively screwed with the left and right parts of the lead screw A (5), a group of screw rods (7) are rotatably mounted on the two groups of clamping plates (6), the front and rear parts of the two groups of screw rods (7) are respectively provided with external threads with opposite rotation directions, the two groups of clamping plates (6) are both slidably mounted on the two groups of positioning plates (8), and the front and rear parts of the two groups of screw rods (7) are respectively screwed with a group of positioning plates (8).

3. A device with precise inkjet positioning calibration as claimed in claim 2, characterized in that: The forward and backward moving mechanism comprises a vertical plate (9), a servo motor (10), a lead screw B (11) and a track (12); the vertical plate (9) is fixedly mounted on the upper end of the bottom plate (1); the servo motor (10) is fixedly mounted on the vertical plate (9); the lead screw B (11) is rotatably mounted on the vertical plate (9); the front end of the lead screw B (11) is connected to the output end of the servo motor (10); the track (12) is fixedly mounted on the bottom plate (1); the moving plate (4) is slidably mounted on the track (12) forward and backward; the moving plate (4) and the lead screw B (11) are screwed together.

4. A device with precise inkjet positioning calibration as claimed in claim 1, characterized in that: The wiping mechanism comprises an electric slide rail A (13), a sliding plate (14), a support frame (15), an electric push rod (16) and a connecting plate (17), wherein the electric slide rail A (13) is fixedly mounted on the rear portion of the base plate (1), the sliding plate (14) is mounted on the electric slide rail A (13), the electric slide rail A (13) is used to move the sliding plate (14) forward and backward, the support frame (15) is fixedly mounted on the upper end of the sliding plate (14), the upper fixed end of the electric push rod (16) is fixedly mounted on the support frame (15), the connecting plate (17) is fixedly mounted on the lower movable end of the electric push rod (16), and the lower end of the connecting plate (17) is provided with a wiper.

5. The device with precise inkjet positioning calibration as claimed in claim 1, characterized in that: The lifting mechanism comprises a fixed frame (18), a hydraulic cylinder (19) and a sliding rod (20); the fixed frame (18) is fixedly mounted on the upper end of the base plate (1); the hydraulic cylinder (19) is fixedly mounted on the upper end of the fixed frame (18); the sliding rod (20) is mounted on the fixed frame (18) so as to slide up and down; the upper end of the sliding rod (20) is connected to the output end of the hydraulic cylinder (19); and the left-right moving mechanism is mounted on the lower end of the sliding rod (20).

6. A device with precise inkjet positioning calibration as claimed in claim 5, characterized in that: The left-right moving mechanism comprises a lifting plate (21), an electric slide rail B (22) and a sliding plate (23); the lifting plate (21) is mounted on a fixed frame (18) for sliding up and down; the electric slide rail B (22) is mounted on the lower end of the lifting plate (21); the sliding plate (23) is mounted on the electric slide rail B (22); the electric slide rail B (22) is used to move the sliding plate (23) left-right; and the nozzle (2) is fixedly mounted on the lower end of the sliding plate (23) by bolts.

7. A device with precise inkjet positioning calibration as claimed in claim 6, characterized in that: The device also includes a pointer A (24) and a pointer B (25), wherein the pointer A (24) is fixedly mounted on the sliding plate (23), a marking line A is provided on the lifting plate (21), and the pointer A (24) points to the marking line A; the pointer B (25) is fixedly mounted on the moving plate (4), a marking line B is provided on the bottom plate (1), and the pointer B (25) points to the marking line B; and the projection position of the lower end of the nozzle (2) on the oily plate (3) is located at the center of the positioning crosshairs.

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