Ink-jet printing equipment

Abstract

The utility model provides ink-jet printing equipment, and relates to the technical field of solar cell preparation equipment. The ink-jet printing equipment can comprise a carrying assembly and an ink-jet assembly, the carrying assembly can comprise a first driving mechanism and a supporting table for supporting a target object, and the supporting table is driven by the first driving mechanism to reciprocate so as to enable the target object to reciprocate. The ink jet assembly is arranged above the carrying assembly so that ink jet printing can be conducted on the target object when the carrying assembly carries the target object to the ink jet assembly. According to the ink-jet printing equipment, the first driving mechanism in the carrying assembly is used for carrying the target object to the position below the ink-jet assembly, the ink-jet assembly is used for carrying out ink-jet printing on the target object, the whole equipment is simple in structure, low in cost and simple in action, and the requirement for constant-speed and high-precision ink-jet printing can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of solar cell preparation equipment, in particular to an inkjet printing device. Background Art

[0002] With the continuous development of the solar energy industry, higher requirements are also put forward for the production and processing of solar cells. At present, the production of solar cells is mainly trending towards low cost, high speed, and simplicity. In response to the requirements of the new perovskite cell process, inkjet printing technology has developed rapidly in the field of surface coatings for perovskite cells. Currently, the main preparation method for the perovskite layer of solar cells is screen printing, which requires the production of corresponding screen plates, resulting in relatively high costs. Screen printing has poor flexibility. Generally, one type of screen plate can only produce a certain single product. When producing different products, different screen plates need to be replaced, and the production process is relatively complex. Summary of the Invention

[0003] An object of the first aspect of the utility model is to provide an inkjet printing device, which solves the problems of complex printing procedures and high costs in the prior art.

[0004] Another object of the first aspect of the utility model is to solve the problem of low accuracy in inkjet printing in the prior art.

[0005] In particular, the utility model provides an inkjet printing device, comprising:

[0006] A handling component, which includes a first driving mechanism and a support table for supporting the target object. The support table reciprocates under the drive of the first driving mechanism to enable the target object to reciprocate; and

[0007] An inkjet component, which is arranged above the handling component to perform inkjet printing on the target object when the handling component transports the target object to the position of the inkjet component.

[0008] Optionally, a vacuum chamber is arranged at the support table, and the upper surface of the support table has micropores;

[0009] The handling component further includes a first vacuum generator, and the first vacuum generator is connected to the vacuum chamber to provide vacuum, so as to suck the target object through the micropores, and make the target object adsorbed on the support table.

[0010] Optionally, the handling component further includes:

[0011] A guide rail;

[0012] A slider, which cooperates with the guide rail, and a support platform is arranged above the slider so that the slider and the support platform reciprocate along the guide rail under the drive of the first drive mechanism.

[0013] Optionally, the handling assembly further includes a grating scale, which extends along a direction parallel to the guide rail.

[0014] Optionally, a positioning assembly is further included, and the positioning assembly includes:

[0015] A camera, which is used to acquire image information of an object placed at the support platform; and

[0016] A light source, which is connected to the camera and provides uniform illumination for the camera.

[0017] Optionally, a rotation drive mechanism is further included, which is arranged at the slider and connected to the support platform. After receiving the image information of the object captured by the camera, the rotation drive mechanism drives the support platform to rotate relative to the slider so that the object reaches a preset position.

[0018] Optionally, the inkjet assembly includes:

[0019] At least one nozzle group;

[0020] At least one second drive mechanism connected to the nozzle group, and each second drive mechanism drives one corresponding nozzle group to move along a preset direction; and

[0021] A third drive mechanism, which is connected to the second drive mechanism to drive the second drive mechanism to move along a direction perpendicular to the preset direction.

[0022] Optionally, the second drive mechanism includes a longitudinal lead screw module;

[0023] The third drive mechanism includes a transverse lead screw module and a connecting sliding plate, and the connecting sliding plate is used to connect the second drive mechanism.

[0024] Optionally, the numbers of the second drive mechanism and the nozzle group are both multiple; each nozzle group includes at least one nozzle and at least one ink cartridge.

[0025] Optionally, a cleaning assembly is further included, and the cleaning assembly includes:

[0026] A fourth drive mechanism;

[0027] A suction nozzle, which is provided with a vacuum hole; the suction nozzle is connected to the fourth drive mechanism and reciprocates under the drive of the fourth drive mechanism so that the vacuum hole faces the nozzle group; and

[0028] A second vacuum generator for providing vacuum to suck the ink adsorbed at the nozzle group through the vacuum holes at the suction nozzle.

[0029] The inkjet printing device of this solution may include a handling component and an inkjet component. The first driving mechanism in the handling component is used to transport the target object below the inkjet component, so as to perform inkjet printing on the target object by using the inkjet component. The structure of the entire device is simple, the cost is low, and the operation is also simple, which can meet the requirements of uniform and high-precision inkjet printing.

[0030] The inkjet printing device of this solution is provided with a positioning mechanism, which may include a camera and a light source. A rotation driving mechanism is arranged at the support table. Through the cooperation of the camera and the rotation driving mechanism, the position of the target object can be quickly adjusted to ensure the accuracy of inkjet printing.

[0031] The inkjet printing device of this solution is also provided with a third driving mechanism and a grating scale. The grating scale detects the position of the target object, and the third driving mechanism drives the inkjet component to reach the position of the target object. After obtaining the relative position between the inkjet component and the target object, the third driving mechanism can be controlled to drive the nozzle group of the inkjet component to correspond to the position of the target object. The combination of the rotation driving mechanism and the third driving mechanism 330 can make the position between the target object and the inkjet component correspond to each other, ensuring the accuracy of inkjet printing.

[0032] This solution also sets multiple groups of inkjet components. Each group of inkjet components may be provided with at least one nozzle and at least one ink cartridge. The ink cartridges at different nozzle groups may be provided with different inks, so as to meet the printing requirements of multiple groups of different inks, eliminating the work of cleaning components such as nozzles and pipelines due to ink replacement, and improving the printing efficiency.

[0033] The inkjet printing device of this solution also includes a cleaning component. The cleaning component can generate negative pressure at the vacuum holes through the second vacuum generator, so as to suck the ink at the nozzle group, ensuring the cleanliness of the nozzles, guaranteeing the accuracy of printing, and also avoiding ink pollution and erosion of equipment components.

[0034] The inkjet printing device of this solution also includes a cleaning component. The cleaning component can generate negative pressure at the vacuum holes through the second vacuum generator, so as to suck the ink at the nozzle group, ensuring the cleanliness of the nozzles, guaranteeing the accuracy of printing, and also avoiding ink pollution and erosion of equipment components. Description of the Drawings

[0035] Some specific embodiments of the present invention will be described in detail hereinafter with reference to the drawings in an exemplary but non-limiting manner. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0036] Figure 1 is a schematic structural diagram of an inkjet printing device according to a specific embodiment of the present invention;

[0037] Figure 2 is a schematic structural diagram of a handling assembly according to a specific embodiment of the present invention;

[0038] Figure 3 is a schematic structural diagram of a positioning assembly according to a specific embodiment of the present invention;

[0039] Figure 4 is a schematic structural diagram of a nozzle group and a second driving mechanism according to a specific embodiment of the present invention;

[0040] Figure 5 is a schematic structural diagram of a third driving mechanism according to a specific embodiment of the present invention;

[0041] Figure 6 is a schematic structural diagram of a cleaning assembly according to a specific embodiment of the present invention.

[0042] Explanation of reference numerals:

[0043] Inkjet printing device - 100;

[0044] Handling assembly - 200; First driving mechanism - 210; Support platform - 220; Guide rail - 230; Slide block - 240; Rotating driving mechanism - 250; Grating scale - 260; First vacuum generator - 270;

[0045] Inkjet assembly - 300; Nozzle group - 310; Nozzle - 311; Ink cartridge - 312; Second driving mechanism - 320; Third driving mechanism - 330; Transverse lead screw module - 331; Connecting sliding plate - 332;

[0046] Positioning assembly - 400; Camera - 410; Light source - 420;

[0047] Cleaning assembly - 500; Fourth driving mechanism - 510; Suction nozzle - 520; Vacuum hole - 521; Second vacuum generator - 530. Detailed implementation manners

[0048] In the description of this embodiment, it should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "height", "upper", "lower", "left", "right", "vertical", "horizontal", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0049] As a specific embodiment of the present invention, as Figure 1 and Figure 2 shown, this embodiment provides an inkjet printing device 100, which is mainly applied in the process of preparing perovskite batteries. The inkjet printing device 100 may include a handling component 200 and an inkjet component 300. Among them, the handling component 200 may include a first driving mechanism 210 and a support table 220 for supporting the target object. The support table 220 reciprocates under the drive of the first driving mechanism 210 so that the target object reciprocates. The inkjet component 300 is disposed above the handling component 200 to perform inkjet printing on the target object when the handling component 200 transports the target object to the position of the inkjet component 300.

[0050] Specifically, the inkjet printing device 100 of this embodiment may include a handling component 200 and an inkjet component 300. The first driving mechanism 210 in the handling component 200 is used to transport the target object below the inkjet component 300, so as to perform inkjet printing on the target object by using the inkjet component 300. The structure of the whole device is simple, the cost is low, and the operation is also simple, and it can meet the requirements of uniform and high-precision inkjet printing.

[0051] Specifically, the first driving mechanism 210 of this private entity may be a linear motor, which has high precision, and fast and stable movement. The target object of this embodiment may be a silicon wafer or a semi-finished product of a solar cell. The structure and size of the support table 220 match the structure and size of the target object.

[0052] As a specific embodiment of the present invention, a vacuum chamber (not shown in the figure) is provided at the support table 220 of this embodiment. The upper surface of the support table 220 has micropores. The micropores may be the pores of the material of the tabletop of the support table, or the micropores opened by external force above. The material of the tabletop of the support table 220 of this embodiment has micropores. The handling component 200 may further include a first vacuum generator 270, and the first vacuum generator 270 is connected to the vacuum chamber to generate negative pressure in the vacuum chamber, and then suck the target object through the micropores so that the target object is adsorbed on the support table 220.

[0053] Specifically, when the first driving mechanism 210 drives the support platform 220 to drive the target object to move, in this embodiment, a vacuum chamber is provided at the support platform 220, and the first vacuum generator 270 is used to evacuate the vacuum chamber, so that a negative pressure can be generated in the vacuum chamber. When a target object is provided on the support platform 220, the micropores will suck the target object, thereby preventing the target object from shifting in position during movement.

[0054] As a specific embodiment of the present utility model, the handling assembly 200 of this embodiment may further include a guide rail 230 and a slider 240. Among them, the slider 240 cooperates with the guide rail 230, and the support platform 220 is arranged above the slider 240, so that the slider 240 and the support platform 220 reciprocate along the guide rail 230 driven by the first driving mechanism 210.

[0055] Specifically, the extending direction of the guide rail 230 of this embodiment is consistent with the moving direction of the linear motor. Through the mutual cooperation of the guide rail 230 and the slider 240, the linear motor can move the support platform 220 more smoothly during reciprocating motion.

[0056] As a specific embodiment of the present utility model, as Figure 3 shown, the inkjet printing device 100 of this embodiment may further include a positioning assembly 400, and the positioning assembly 400 may include a camera 410 and a light source 420. Among them, the camera 410 is used to obtain the image information of the target object placed at the support platform 220. The light source 420 is connected to the camera 410 and provides uniform illumination for the camera 410.

[0057] Specifically, the light source 420 of this embodiment may be a red bar light source, and the red bar light source can generate high-intensity light to provide uniform illumination for the camera 410, ensuring that the camera 410 obtains a clear image of the target object.

[0058] As a specific embodiment of the present utility model, the inkjet printing device 100 of this embodiment may further include a rotation driving mechanism 250, which is arranged at the slider 240 and connected to the support platform 220. After receiving the image information of the target object captured by the camera 410, the rotation driving mechanism 250 drives the support platform 220 to rotate relative to the slider 240, so that the target object reaches the preset position.

[0059] Specifically, in this embodiment, the image information of the target object is mainly obtained by the camera 410, and then the angle of the target object is driven by the obtained information through the rotation driving mechanism 250, thereby correcting the angle of the target object. Specifically, the rotation driving mechanism 250 of this embodiment may be a DD motor. The DD motor and the camera 410 can quickly adjust the position of the processed target object to ensure the accuracy of inkjet printing.

[0060] Specifically, the handling component 200 of this embodiment may further include a grating scale 260, which extends along the direction in which the parallel guide rail 230 extends. When the first driving mechanism 210 drives the target object to reach below the inkjet component 300, the data of the grating scale 260 is read, and then the positional relationship between the target object and the inkjet component 300 can be obtained based on the data on the grating scale 260. Then, by adjusting the position of the inkjet component 300, the accuracy of ink jet printing on the target object can be improved.

[0061] As a specific embodiment of the present invention, as Figure 4 and Figure 5 shown, the inkjet component 300 of this embodiment may include at least one nozzle group 310, at least one second driving mechanism 320 and a third driving mechanism 330 connected to the nozzle group 310. Each second driving mechanism 320 drives one corresponding nozzle group 310 to move along a preset direction. Specifically, the preset direction in this embodiment may be along the direction of approaching and departing from the target object, for example, it may be the vertical direction. The third driving mechanism 330 is connected to the second driving mechanism 320 to drive the second driving mechanism 320 to move along a direction perpendicular to the preset direction. Specifically, the direction perpendicular to the preset direction in this embodiment is the direction parallel to the guide rail 230.

[0062] Specifically, when the relative position between the inkjet component 300 and the target object is obtained, the third driving mechanism 330 can be controlled to drive the nozzle group 310 of the inkjet component 300 to correspond to the position of the target object. The combination of the rotation driving mechanism 250 and the third driving mechanism 330 can make the position between the target object and the inkjet component 300 correspond to each other, ensuring the accuracy of inkjet printing. When ink jet printing is required, the second driving mechanism 320 can be used to drive the distance between the nozzle group 310 and the target object, and then printing can be performed.

[0063] Specifically, each nozzle group 310 of this embodiment may include at least one nozzle 311 and at least one ink cartridge 312. The number of nozzles 311 can be one or more. The nozzles 311 can be arranged according to a certain rule and can be freely designed according to actual needs. Specifically, the number of ink cartridges 312 in each nozzle group 310 of this embodiment can also be one or more. When the number of ink cartridges 312 is multiple, the multiple ink cartridges 312 can contain the same ink or different inks.

[0064] Specifically, the second driving mechanism 320 of this embodiment may include a longitudinal lead screw module. The third driving mechanism 330 may include a transverse lead screw module 331 and a connecting sliding plate 332, and the connecting sliding plate 332 is used to connect the second driving mechanism 320.

[0065] As a specific embodiment of the present utility model, the number of the second driving mechanisms 320 and the nozzle groups 310 in this embodiment is multiple groups. For example, the number of the second driving mechanisms 320 and the nozzle groups 310 can be 2 groups, 3 groups, 4 groups or even more groups. Different inks can be provided at different nozzle groups 310, so as to meet the printing requirements of multiple groups of different inks, eliminating the need to clean components such as the nozzles 311 and pipelines due to ink replacement, and improving the printing efficiency.

[0066] As a specific embodiment of the present utility model, as Figure 6 shown, the inkjet printing device 100 in this embodiment may further include a cleaning assembly 500. The cleaning assembly 500 may include a fourth driving mechanism 510, a suction nozzle 520 and a second vacuum generator 530. Among them, a vacuum hole 521 is provided at the suction nozzle 520. The suction nozzle 520 is connected to the fourth driving mechanism 510 and reciprocates under the drive of the fourth driving mechanism 510, so that the vacuum hole 521 faces the nozzle group 310. The second vacuum generator 530 is used to provide vacuum to suck the ink adsorbed at the nozzle group 310 through the vacuum hole 521 at the suction nozzle 520.

[0067] Specifically, the second vacuum generator 530 in this embodiment causes a negative pressure at the vacuum hole 521, thereby sucking the ink at the nozzle group 310, ensuring the cleanliness of the nozzles 311, ensuring the printing accuracy, and avoiding ink pollution and erosion of equipment components.

[0068] At this point, those skilled in the art should recognize that although multiple exemplary embodiments of the present utility model have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present utility model can still be directly determined or derived from the content disclosed in the present utility model without departing from the spirit and scope of the present utility model. Therefore, the scope of the present utility model should be understood and determined to cover all these other variations or modifications.

Claims

1. An inkjet printing device, characterized in that: include: A transport assembly, comprising a first driving mechanism and a support platform for supporting a target object, wherein the support platform reciprocates under the drive of the first driving mechanism to cause the target object to reciprocate; and The inkjet assembly is arranged above the conveying assembly so as to perform inkjet printing on the target object when the conveying assembly conveys the target object to the inkjet assembly.

2. The inkjet printing device according to claim 1, characterized in that: The support platform is provided with a vacuum chamber, and the upper surface of the support platform has micropores; The transport assembly further includes a first vacuum generator, which is connected to the vacuum chamber to provide vacuum, thereby sucking the target object through the micropores so that the target object is adsorbed on the support table.

3. The inkjet printing device according to claim 1, characterized in that: The handling assembly also includes: guide; The slider cooperates with the guide rail, and the support platform is arranged above the slider, so that the slider and the support platform can reciprocate along the guide rail under the drive of the first driving mechanism.

4. The inkjet printing device according to claim 3, characterized in that: The transport assembly further includes a grating ruler extending in a direction parallel to the guide rail.

5. The inkjet printing device according to claim 3, characterized in that: Also included is a positioning component, the positioning component comprising: a camera for acquiring image information of a target object placed on the support platform; and The light source is connected to the camera and provides uniform illumination for the camera.

6. The inkjet printing device according to claim 5, characterized in that: It also includes a rotation drive mechanism, which is arranged at the slider and connected to the support platform. After receiving the image information of the target object taken by the camera, the rotation drive mechanism drives the support platform to rotate relative to the slider so that the target object reaches a preset position.

7. The inkjet printing device according to claim 1, characterized in that: The inkjet assembly comprises: at least one nozzle group; at least one second driving mechanism connected to the nozzle groups, each of the second driving mechanisms driving a corresponding one of the nozzle groups to move along a preset direction; and A third driving mechanism is connected to the second driving mechanism to drive the second driving mechanism to move along a direction perpendicular to the preset direction.

8. The inkjet printing device according to claim 7, characterized in that: The second driving mechanism includes a longitudinal screw module; The third driving mechanism comprises a transverse lead screw module and a connecting sliding plate, and the connecting sliding plate is used to connect the second driving mechanism.

9. The inkjet printing device according to claim 7, characterized in that: The second driving mechanism and the nozzle groups are both multiple in number; each nozzle group (310) comprises at least one nozzle and at least one ink cartridge.

10. The inkjet printing device according to claim 7, characterized in that: Also included is a cleaning component, the cleaning component comprising: a fourth driving mechanism; A suction nozzle, wherein a vacuum hole is provided at the suction nozzle; the suction nozzle is connected to the fourth driving mechanism to reciprocate under the drive of the fourth driving mechanism so that the vacuum hole faces the nozzle group; and A second vacuum generator is used for providing vacuum to suck the ink adsorbed on the nozzle group through the vacuum hole at the suction nozzle.

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