CN220785243U - Character printer - Google Patents

Abstract

The technical scheme of the utility model discloses a character printer which comprises a base, a portal frame, a printing head and at least two printing platforms, wherein the portal frame is erected on the base along the X-axis direction; the printing platform is arranged on the base side by side along the X-axis direction, can move along the Y-axis direction and is used for placing the PCB; the portal frame is located to the print head, and the print head can be followed the X axle direction and moved the top of corresponding print platform, and the print head can also be followed the Z axle direction and moved in order to adjust the difference in height between print head and the print platform. According to the technical scheme, at least two printing platforms are arranged on the base, each printing platform works independently and is not affected by the other, so that the total time spent on printing a plurality of PCBs is saved, and the production efficiency is greatly improved. The printing head can also move along the Z-axis direction, and the height difference between the printing head and the PCB surface can be adjusted by moving the printing head along the Z-axis direction according to the PCB with different thicknesses, so that the printing effect is improved.

Description

Character printer

Technical Field

The utility model relates to the technical field of printers, in particular to a character printer.

Background

The character printer is a printer integrating spray printing of PCB characters and solidification, and is suitable for the field of PCB characters in industrial production: PCB characters and various figures such as various marks, two-dimensional codes, white oil blocks, circuits and the like. The character printer needs to manually put the PCB on a product platform, firstly detect the height, automatically move the platform to a camera position, take a picture of the camera according to a specified path track, spray-print, solidify and manually take the material.

However, each time a traditional character printer prints a PCB, the whole process needs to be completed to start the printing of the next PCB, and the whole process is time-consuming and has a slow production efficiency.

Disclosure of Invention

The utility model mainly aims to provide a character printer, aiming at improving the printing efficiency of the character printer.

The technical scheme of the utility model provides a character printer, which comprises:

a base;

the portal frame is erected on the base along the X-axis direction;

the printing platforms are arranged on the base side by side along the X-axis direction and can move along the Y-axis direction, and the printing platforms are used for placing the PCB;

the printing head is arranged on the portal frame, the printing head can move to the upper side of the corresponding printing platform along the X-axis direction, and the printing head can also move along the Z-axis direction to adjust the height difference between the printing head and the printing platform.

In an embodiment, the character printer further comprises a first lifting module, the first lifting module comprises a first fixing piece, a first driving piece and a first lifting piece, the first fixing piece is installed on the front side of the portal frame, the first driving piece is installed on the first fixing piece and is in driving connection with the first lifting piece, and the printing head is connected with the first lifting piece and can move along the Z-axis direction under the driving of the first driving piece.

In an embodiment, the first lifting module further includes a first sliding member and a first sliding rail adapted to the first sliding member, wherein one of the first sliding member and the first sliding rail is disposed on the first fixing member, and the other one of the first sliding member and the first sliding rail is disposed on the first lifting member.

In an embodiment, the portal frame comprises a first transverse moving assembly, a cross beam and two upright posts, wherein the two upright posts are respectively arranged on two sides of the base in the X-axis direction, the cross beam is connected with the two upright posts, and the first transverse moving assembly is arranged on the front side of the cross beam;

the first sideslip subassembly includes second slider, second slide rail, second driving piece, the second slide rail is located along the X axis direction the crossbeam, the second driving piece is located the crossbeam, and the drive is connected the second slider, the second slider is connected the second slide rail with first mounting, the second slider is in under the drive of second driving piece can drive the printer head is along the X axis direction removal.

In an embodiment, the portal frame is arranged near the middle of the base in the Y-axis direction, the character printer further comprises at least two camera assemblies, the at least two camera assemblies are in one-to-one correspondence with the at least two printing platforms, and the camera assemblies are arranged on the rear side of the cross beam;

the portal frame is characterized by further comprising a second transverse moving assembly arranged at the rear side of the cross beam, the second transverse moving assembly comprises a third sliding rail, at least two third sliding pieces and at least two third driving pieces, the third sliding rail is arranged at the cross beam along the X-axis direction, the third driving pieces are arranged at the cross beam and are in driving connection with the third sliding pieces, the image pickup assembly is arranged at the rear side of the cross beam through the third sliding pieces, and the image pickup assembly can move along the X-axis direction along with the third sliding pieces under the driving of the third driving pieces.

In an embodiment, the camera shooting assembly comprises a second lifting module and a camera, the second lifting module comprises a second fixing piece, a fourth driving piece and a second lifting piece, the second fixing piece is installed on the rear side of the cross beam, the fourth driving piece is installed on the second fixing piece and is in driving connection with the second lifting piece, and the camera is connected with the second lifting piece and can move along the Z-axis direction under the driving of the fourth driving piece.

In an embodiment, the second lifting module further includes a fourth sliding member and a fourth sliding rail adapted to the fourth sliding member, wherein one of the fourth sliding member and the fourth sliding rail is disposed on the second fixing member, and the other one of the fourth sliding member and the fourth sliding rail is disposed on the second lifting member.

In an embodiment, the base is provided with two printing platforms, the character printer further comprises two third traversing assemblies arranged on the base, and the two third traversing assemblies are in one-to-one correspondence with the two printing platforms; the third sideslip subassembly includes fifth slider, fifth slide rail, fifth driving piece, the fifth slide rail is located along the Y axis direction the base, the fifth driving piece is located the base, and the drive is connected the fifth slider, the fifth slider is connected the fifth slide rail with print platform, the fifth slider can drive under the drive of fifth driving piece print platform moves along the Y axis direction.

In an embodiment, the character printer further comprises a height measuring device, wherein the height measuring device is arranged on the base and on the front side of the portal frame, and the height measuring device is used for measuring the height of the PCB.

In one embodiment, a space is provided between two adjacent printing platforms.

According to the technical scheme, at least two printing platforms are arranged on the base, each printing platform works independently and is not affected by the other printing platform, when the printing head is moved to the upper side of one printing platform along the X axis to print the PCB, the other printing platform starts to place a new PCB, and drives the new PCB to move along the Y axis to perform preparation works before printing such as height measurement and photographing, so that the printing head can immediately start the printing work of the next printing platform after finishing the printing work of the previous printing platform, and the printing time of the previous printing platform is overlapped with the time of the manual feeding and discharging, height measurement and photographing of the next printing platform, so that the total time spent on printing a plurality of PCBs is saved as a whole, and the production efficiency is greatly improved.

In addition, the printing head can also move along the Z-axis direction and face the PCB with different specifications, and the printing head can move along the Z-axis direction according to the PCB with different thicknesses so as to adjust the height difference between the printing head and the PCB surface, thereby improving the printing effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a character printer according to an embodiment of the utility model;

FIG. 2 is a schematic view of the structure of the base and gantry of FIG. 1;

FIG. 3 is a schematic view of the base and gantry of FIG. 1 from another perspective;

FIG. 4 is a schematic structural diagram of the first lifting module in FIG. 1;

fig. 5 is a schematic structural diagram of the camera module in fig. 1.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				10	Character printer	210	Cross beam
100	Base seat	220	Upright post
				200	Portal frame	230	First traversing assembly
300	Printing platform	231	Second sliding piece
				400	Printing head	232	Second slide rail
500	First lifting module	233	Second driving member
				600	Image pickup assembly	240	Second traversing assembly
700	Third traversing assembly	241	Third sliding piece
				800	Height measuring device	242	Third slide rail
610	Camera with camera body	243	Third driving member
				620	Second lifting module	510	First fixing piece
621	Second fixing piece	520	First driving member
				622	Fourth driving piece	530	First lifting member
623	Second lifting member	540	First sliding piece
				624	Fourth slider	550	First slide rail
625	Fourth slide rail	720	Fifth slide rail
				710	Fifth sliding piece	730	Fifth driving piece

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1, the present utility model provides a character printer 10, which includes a base 100, a gantry 200, a printhead 400, and at least two printing platforms 300, wherein the gantry 200 is mounted on the base 100 along an X-axis direction; the printing platform 300 is arranged on the base 100 side by side along the X-axis direction, the printing platform 300 can move along the Y-axis direction, and the printing platform 300 is used for placing a PCB; the print head 400 is provided on the gantry 200, and the print head 400 can be moved above the corresponding printing stage 300 in the X-axis direction, and the print head 400 can also be moved in the Z-axis direction to adjust the height difference between the print head 400 and the printing stage 300.

Specifically, a character printer 10 is used for printing a PCB board, and includes a base 100, a gantry 200, a printhead 400, and at least two printing platforms 300. The printing platforms 300 are arranged on the base 100 side by side along the X-axis direction, and each printing platform 300 works independently and does not affect each other. The printhead 400 is provided to the gantry 200, and the gantry 200 is erected to the base 100 in the X-axis direction, so that the printhead 400 can move in the X-axis direction. When the PCB to be printed moves to a printing position (near the gantry 200) along the Y-axis with the printing platform 300, the print head 400 can move to above the printing platform 300 along the X-axis direction to print the PCB to be printed. Since at least two printing platforms 300 are disposed side by side in the X-axis direction of the base 100, the print head 400 can move from above one of the printing platforms 300 to above the other printing platform 300 in the X-axis direction to print the next PCB to be printed. When the printing head 400 is moved to the upper part of one printing platform 300 along the X-axis direction to print the PCB, the other printing platform 300 starts to place a new PCB and drives the new PCB to move along the Y-axis to perform preparation work before printing such as height measurement, photographing and the like, so that the printing head 400 can immediately start the printing work of the next printing platform 300 after finishing the printing work of the previous printing platform 300, the printing time of the previous printing platform 300 is overlapped with the time of the manual feeding, discharging, height measurement and photographing of the next printing platform 300, the total time spent on printing a plurality of PCBs is saved as a whole, and the production efficiency is greatly improved.

The character printer 10 prints images, typically by jetting ink onto the PCB as it prints. The smaller the distance between the print head 400 and the surface of the PCB board, the shorter the ink ejection range, the smaller and denser the ejected ink dots (i.e., pixel dots), so that the larger the amount of pixels printable on the same area, the better the image quality. Conversely, the larger the distance between the print head 400 and the PCB panel surface, the smaller the printed pixels, and when the distance is too large, the shape of the pixel dots is deformed, and the quality of the recorded image is degraded. Of course, if the spacing is too small, the print quality can be deteriorated, for example, if the print head 400 is too close to the PCB, the ink on the PCB that is not dried may be transferred to the print head 400, and particularly, when the print head 400 reciprocates, the print head 400 smears the ink on the PCB, which seriously affects the printing effect. The character printer 10 needs to print on different batches of PCB boards with different specifications, and the thicknesses of the PCB boards with different specifications are different, so that the distances between the print head 400 and the board surface of the PCB board are also different. For a PCB with larger thickness, the distance is smaller; for the PCB with smaller thickness, the distance is larger, so that the printing effect can be influenced.

Therefore, the print head 400 of the character printer 10 according to the present utility model can also move along the Z-axis direction, and for a PCB board with a larger thickness, the print head 400 moves toward the printing platform 300 along the Z-axis direction; for a PCB board of smaller thickness, the printhead 400 moves away from the print platform 300 in the Z-axis direction. The printing head 400 is close to or far away from the printing platform 300 along the Z-axis direction, so that the height difference between the printing head 400 and the printing platform 300 is adjusted, and a proper distance is reserved between the printing head 400 and the PCB board surface, so that the printing effect is improved.

The character printer 10 provided by the utility model not only saves time for reducing manual feeding and discharging, height measurement and photographing, greatly improves production efficiency, but also can adjust the distance between the printing head 400 and the PCB board surface, thereby improving printing effect.

In one embodiment, the character printer 10 further includes a first lifting module 500, where the first lifting module 500 includes a first fixing member 510, a first driving member 520 and a first lifting member 530, the first fixing member 510 is installed on the front side of the gantry 200, the first driving member 520 is installed on the first fixing member 510 and is in driving connection with the first lifting member 530, and the print head 400 is connected with the first lifting member 530 and can move along the Z-axis direction under the driving of the first driving member 520.

Referring to fig. 1 and 4, the first fixing member 510 is mounted on the front side of the gantry 200, and is used for mounting the first driving member 520, the photoelectric sensor, the first sliding member 540, the first sliding rail 550, and other parts. The first driving member 520 can drive the first elevating member 530 to move up and down along the Z-axis direction, so that the printhead 400 connected to the first elevating member 530 can also move up and down along the Z-axis direction, thereby realizing adjustment of the height difference between the printhead 400 and the printing platform 300. Meanwhile, the printhead 400 is also mounted on the gantry 200 through the first elevation module 500, and is mounted at the front side of the gantry 200. The first driving member 520 may be a servo motor, the motor of the servo motor is mounted on the first fixing member 510, one end of a screw rod of the servo motor is connected to the motor in the Z-axis direction, the other end of the screw rod is connected to the first lifting member 530, and the first lifting member 530 drives the printhead 400 to move up and down along the Z-axis direction under the driving of the motor. The first driving member 520 may also be a linear motor, a stepping motor, a cylinder, or the like.

In an embodiment, the first lifting module 500 further includes a first sliding member 540 and a first sliding rail 550 adapted to the first sliding member 540, wherein one of the first sliding member 540 and the first sliding rail 550 is disposed on the first fixing member 510, and the other is disposed on the first lifting member 530.

Referring to fig. 4, the first sliding member 540 and the first sliding rail 550 are used for guiding the first lifting member 530, so that the first lifting member 530 is more convenient and stable when moving up and down along the Z-axis direction, and does not deviate. The first sliding rail 550 may be disposed on the first fixing member 510, and the first sliding member 540 may be disposed on the first lifting member 530; conversely, the first sliding rail 550 may be disposed on the first lifter 530, and the first slider 540 may be disposed around the first fixing member 510. The first sliding rail 550 extends along the Z-axis direction, and the first sliding member 540 is provided with a first sliding groove extending along the Z-axis direction, and the first sliding groove is slidably connected with the first sliding rail 550.

In one embodiment, the gantry 200 includes a first traversing assembly 230, a beam 210, and two columns 220, the two columns 220 are separately disposed on two sides of the base 100 in the X-axis direction, the beam 210 connects the two columns 220, and the first traversing assembly 230 is disposed on the front side of the beam 210; the first traversing assembly 230 includes a second sliding member 231, a second sliding rail 232, and a second driving member 233, where the second sliding rail 232 is disposed on the beam 210 along the X-axis direction, the second driving member 233 is disposed on the beam 210 and is in driving connection with the second sliding member 231, the second sliding member 231 is connected with the second sliding rail 232 and the first fixing member 510, and the second sliding member 231 can drive the printhead 400 to move along the X-axis direction under the driving of the second driving member 233.

Referring to fig. 1 and 2, the first traversing assembly 230 is disposed at the front side of the beam 210, and the printhead 400 can be moved in the X-axis direction by the first traversing assembly 230 to switch to the upper side of a different printing platform 300. The second slider 231 is slidably connected to the second slide rail 232, and the second driving member 233 drives the second slider 231 to slide along the extending direction (X-axis direction) of the second slide rail 232, and the second slider 231 is connected to the first fixing member 510, so that the printhead 400 connected to the first lifting module 500 can move along the X-axis direction along with the second slider 231. The second driving member 233 may be a linear motor, the motor stator is disposed on the beam 210 along the X-axis direction, and the motor mover is connected to the second sliding member 231, and driven by the motor stator, the motor mover drives the second sliding member 231 to move along the X-axis direction. The second driving member 233 may be a servo motor, a cylinder, a stepping motor, or the like.

In one embodiment, the portal frame 200 is disposed near the middle of the base 100 in the Y-axis direction, and the character printer 10 further includes at least two image pickup assemblies 600, where the at least two image pickup assemblies 600 are in one-to-one correspondence with the at least two printing platforms 300, and the image pickup assemblies 600 are disposed at the rear side of the beam 210; the portal frame 200 further comprises a second traversing assembly 240 disposed at the rear side of the beam 210, the second traversing assembly 240 comprises a third sliding rail 242, at least two third sliding members 241 and at least two third driving members 243, the third sliding rail 242 is disposed at the beam 210 along the X-axis direction, the third driving members 243 are disposed at the beam 210 and are in driving connection with the third sliding members 241, the camera assembly 600 is mounted at the rear side of the beam 210 through the third sliding members 241, and the camera assembly 600 can move along the X-axis direction along with the third sliding members 241 under the driving of the third driving members 243.

Referring to fig. 1 and 3, a gantry 200 is disposed near the middle of the base 100 in the Y-axis direction, and a print head 400 is disposed at the front side of the gantry 200 for printing a PCB on the printing platform 300; the camera assembly 600 is disposed at the rear side of the portal frame 200, and is used for photographing a PCB board to be printed, so as to collect a picture of the PCB board on the platform, and send corresponding information to the controller, and the controller receives the corresponding information and processes and analyzes the corresponding information to determine whether the position of the PCB board is correct. The printing head 400 and the camera shooting assembly 600 are respectively arranged on the front side and the rear side of the portal frame 200, so that interference between the camera shooting assembly 600 and the printing head 400 is avoided, and the movement of the printing head 400 is prevented; on the other hand, the PCB being printed is prevented from entering the mirror, and information acquisition of the PCB being photographed is prevented from being influenced. The camera shooting assemblies 600 are in one-to-one correspondence with the printing platforms 300, so that untimely shooting caused by the fact that a single camera shooting assembly 600 corresponds to a plurality of printing platforms 300 is avoided, and the printing effect is influenced.

The second traversing assembly 240 is provided at the rear side of the beam 210, and the image pickup assembly 600 can be moved in the X-axis direction by the second traversing assembly 240 to adjust the position of the image pickup assembly 600 in the X-axis direction. The lengths and widths of the PCBs with different batches and different specifications are different, and the position of the camera shooting assembly 600 in the X-axis direction is adjusted, so that the camera shooting assembly 600 can shoot a complete PCB, focusing is accurate, and accuracy of acquired information is ensured; the target printing position on the PCB can be accurately positioned, and particularly, the printing of characters or patterns on a specific area is very critical; sometimes, the PCB may have some irregularities when placed, and by moving the camera group in the X-axis direction, the actual position of the PCB can be detected before printing and fine-tuning can be performed during printing to correct the deviation, thereby realizing higher accuracy.

The third sliding member 241 is slidably connected to the third sliding rail 242, and the third driving member 243 drives the third sliding member 241 to slide along the extending direction (X-axis direction) of the third sliding rail 242, and the third sliding member 241 is connected to the image capturing assembly 600, so that the image capturing assembly 600 can move along the X-axis direction along with the third sliding member 241. The third driving member 243 may be a linear motor, the motor stator is disposed on the beam 210 along the X-axis direction, and the motor mover is connected to the third sliding member 241, and driven by the motor stator, the motor mover drives the third sliding member 241 to move along the X-axis direction. The second driving member 233 may be a servo motor, a cylinder, a stepping motor, or the like.

In an embodiment, the image capturing module 600 includes a second lifting module 620 and a camera 610, the second lifting module 620 includes a second fixing piece 621, a fourth driving piece 622 and a second lifting piece 623, the second fixing piece 621 is mounted on the rear side of the beam 210, the fourth driving piece 622 is mounted on the second fixing piece 621 and is in driving connection with the second lifting piece 623, and the camera 610 is connected with the second lifting piece 623 and can move along the Z-axis direction under the driving of the fourth driving piece 622.

Referring to fig. 5, the camera 610 is a CCD camera 610, so that the acquisition effect is better, and the simple accuracy is higher. The camera 610 can be moved in the Z-axis direction by the second elevation module 620. The thicknesses of the PCB boards of different batches and different specifications are different, and the camera 610 can be ensured to shoot the complete PCB board and focus accurately by adjusting the position of the camera 610 in the Z-axis direction, so that the accuracy of the acquired information is ensured; the target printing position on the PCB can be accurately positioned, so that the printing quality and definition are ensured. The second fixing member 621 is mounted on the rear side of the cross beam 210, and is used for mounting the fourth driving member 622, the photoelectric sensor, the fourth sliding member 624, the fourth sliding rail 625, or the like. The fourth driving member 622 can drive the second lifting member 623 to move up and down along the Z-axis direction, so that the camera 610 connected to the second lifting member 623 can also move up and down along the Z-axis direction, thereby realizing adjustment of the height difference between the camera 610 and the printing platform 300. Meanwhile, the camera 610 is also mounted on the gantry 200 through the second lifting module 620, and is mounted at the rear side of the gantry 200. The fourth driving part 622 may be a servo motor, the motor of the servo motor is mounted on the second fixing part 621, one end of the screw rod of the servo motor is connected with the motor in the Z-axis direction, the other end of the screw rod of the servo motor is connected with the second lifting part 623, and the second lifting part 623 drives the camera 610 to move up and down along the Z-axis direction under the driving of the motor. The fourth drive 622 may also be a linear motor, stepper motor, or air cylinder, among others.

In an embodiment, the second lifting module 620 further includes a fourth sliding member 624 and a fourth sliding rail 625 adapted to the fourth sliding member 624, wherein one of the fourth sliding member 624 and the fourth sliding rail 625 is disposed on the second fixing member 621, and the other is disposed on the second lifting member 623.

Referring to fig. 5, the fourth slider 624 and the fourth rail 625 serve to guide the second lifter 623, so that the second lifter 623 is more convenient and stable to move up and down along the Z-axis direction without being deviated. The fourth sliding rail 625 may be provided on the second fixing element 621, and the fourth sliding element 624 may be provided on the second lifting element 623; conversely, the fourth slide rail 625 may be provided on the second lifting member 623, and the fourth slider 624 may be looped on the second fixing member 621. The fourth sliding rail 625 extends along the Z-axis direction, and the fourth sliding piece 624 is provided with a second sliding groove extending along the Z-axis direction, and the second sliding groove is slidably connected with the fourth sliding rail 625.

In one embodiment, the base 100 is provided with two printing platforms 300, and the character printer 10 further includes two third traversing assemblies 700 disposed on the base 100, where the two third traversing assemblies 700 are in one-to-one correspondence with the two printing platforms 300; the third traversing assembly 700 includes a fifth sliding member 710, a fifth sliding rail 720, and a fifth driving member 730, where the fifth sliding rail 720 is disposed on the base 100 along the Y-axis direction, the fifth driving member 730 is disposed on the base 100 and is in driving connection with the fifth sliding member 710, the fifth sliding member 710 is connected with the fifth sliding rail 720 and the printing platform 300, and the fifth sliding member 710 can drive the printing platform 300 to move along the Y-axis direction under the driving of the fifth driving member 730.

Referring to fig. 1 and 2, two printing platforms 300 and two third traversing assemblies 700 are disposed on the base 100, and the two third traversing assemblies 700 correspond to the two printing platforms 300 one by one. When the printing head 400 moves to the upper part of one printing platform 300 along the X-axis direction to print the PCB, the other printing platform 300 starts to place a new PCB and drives the new PCB to move along the Y-axis to perform preparation work before printing such as height measurement, photographing and the like, so that the printing head 400 can immediately start the printing work of the next printing platform 300 after finishing the printing work of the previous printing platform 300, the printing time of the previous printing platform 300 is overlapped with the time of the manual feeding, discharging, height measurement and photographing of the next printing platform 300 in an alternating mode, and the production efficiency is greatly improved.

The third traverse assembly 700 is provided on the base 100, and the printing platform 300 is movable in the Y-axis direction by the third traverse assembly 700, and has a loading position, a shooting position, a printing position, and the like on the base 100. The fifth slider 710 is slidably connected to the fifth rail 720, and the fifth driver 730 drives the fifth slider 710 to slide along the extending direction (Y-axis direction) of the fifth rail 720, and the fifth slider 710 is connected to the printing platform 300, so that the printing platform 300 can move along the Y-axis direction along with the fifth slider 710. The fifth driving member 730 may be a linear motor, the motor stator is disposed on the base 100 along the Y-axis direction, and the motor mover is connected to the fifth sliding member 710, and the motor mover drives the fifth sliding member 710 to move along the Y-axis direction under the driving of the motor stator. The fifth driving member 730 may be a servo motor, a cylinder, a stepping motor, or the like.

In one embodiment, the character printer 10 further includes a height measuring device 800, where the height measuring device 800 is disposed on the base 100 and on the front side of the gantry 200, and the height measuring device 800 is used to measure the height of the PCB board.

Referring to fig. 1, the height measuring device 800 generally employs a non-contact height measuring sensing technology, such as a laser height measuring device 800. The character printer 10 is provided with a height measuring device 800. The height measuring device 800 is mounted on the base 100 and located on the front side of the gantry 200, and the main purpose of the height measuring device 800 is to determine the height position of the PCB board relative to the printhead 400.

In the feeding process, an error may occur due to manual operation, which may cause the PCB to tilt and collide with the print head 400. Therefore, the height measuring device 800 is activated before performing the printing operation, and measures the height of the PCB in real time in a non-contact manner with the PCB. The measurement result is transmitted to the control system of the character printer 10, so that the height of the PCB can be adjusted in time, the distance between the PCB and the printing head 400 in the printing process is ensured to be proper, and the situation that the PCB is scratched due to too close distance to the printing head 400 is avoided. By measuring the height of the PCB, the character printer 10 can more accurately determine the distance between the printhead 400 and the PCB. When the height measuring device 800 detects that the PCB is higher than the preset parameter value of the control system of the character printer 10, the control system of the character printer 10 stops the character printer 10, and resumes printing after manually readjusting the height of the PCB to meet the preset parameter value.

In one embodiment, there is a spacing between two adjacent print platforms 300.

Referring to fig. 1, by leaving a certain distance between adjacent printing platforms 300, interference between each other can be avoided. For example, when one print platform 300 completes a printing operation, vibrations, heat, or other factors that may negatively affect adjacent print platforms 300 may be prevented from passing through by the spacing. This helps to ensure independence and stability of each print platform 300. The space between two adjacent printing platforms 300 provides a more convenient operation space for users or operators, and when a certain printing platform 300 needs to be adjusted or maintained, the space can enable the operators to perform related work, such as cleaning, material replacement or maintenance, more easily. Meanwhile, the interval can also ensure that the operation activities among different printing platforms 300 can not interfere with each other, and the operation efficiency is improved. Furthermore, the amount of heat generated during printing is an important consideration, particularly for printing devices that require continuous operation. By leaving a space between adjacent printing platforms 300, better heat dissipation may be aided. This helps to prevent heat build-up and leads to overheating of the printing device, improving the operating efficiency and lifetime of the device.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structural modifications made by the present description and accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A character printer, comprising:

a base;

the portal frame is erected on the base along the X-axis direction;

the printing platforms are arranged on the base side by side along the X-axis direction and can move along the Y-axis direction, and the printing platforms are used for placing the PCB;

the printing head is arranged on the portal frame, the printing head can move to the upper side of the corresponding printing platform along the X-axis direction, and the printing head can also move along the Z-axis direction to adjust the height difference between the printing head and the printing platform.

2. The character printer according to claim 1, further comprising a first lifting module, wherein the first lifting module comprises a first fixing member, a first driving member and a first lifting member, the first fixing member is mounted on the front side of the portal frame, the first driving member is mounted on the first fixing member and is in driving connection with the first lifting member, and the printing head is connected with the first lifting member and can move along the Z-axis direction under the driving of the first driving member.

3. The character printer according to claim 2, wherein the first lifting module further comprises a first sliding member and a first sliding rail adapted to the first sliding member, one of the first sliding member and the first sliding rail is provided on the first fixing member, and the other is provided on the first lifting member.

4. The character printer according to claim 2, wherein the portal frame comprises a first traverse assembly, a cross beam and two upright posts, the two upright posts are respectively arranged at two sides of the base in the X-axis direction, the cross beam is connected with the two upright posts, and the first traverse assembly is arranged at the front side of the cross beam;

the first sideslip subassembly includes second slider, second slide rail, second driving piece, the second slide rail is located along the X axis direction the crossbeam, the second driving piece is located the crossbeam, and the drive is connected the second slider, the second slider is connected the second slide rail with first mounting, the second slider is in under the drive of second driving piece can drive the printer head is along the X axis direction removal.

5. The character printer according to claim 4, wherein the portal frame is disposed near the middle of the base in the Y-axis direction, the character printer further comprises at least two camera assemblies, the at least two camera assemblies are in one-to-one correspondence with the at least two printing platforms, and the camera assemblies are disposed at the rear side of the cross beam;

the portal frame is characterized by further comprising a second transverse moving assembly arranged at the rear side of the cross beam, the second transverse moving assembly comprises a third sliding rail, at least two third sliding pieces and at least two third driving pieces, the third sliding rail is arranged at the cross beam along the X-axis direction, the third driving pieces are arranged at the cross beam and are in driving connection with the third sliding pieces, the image pickup assembly is arranged at the rear side of the cross beam through the third sliding pieces, and the image pickup assembly can move along the X-axis direction along with the third sliding pieces under the driving of the third driving pieces.

6. The character printer according to claim 5, wherein the image pickup assembly comprises a second lifting module and a camera, the second lifting module comprises a second fixing member, a fourth driving member and a second lifting member, the second fixing member is mounted on the rear side of the cross beam, the fourth driving member is mounted on the second fixing member and is in driving connection with the second lifting member, and the camera is connected with the second lifting member and can move along the Z-axis direction under the driving of the fourth driving member.

7. The character printer according to claim 6, wherein the second lifting module further comprises a fourth sliding member and a fourth sliding rail adapted to the fourth sliding member, one of the fourth sliding member and the fourth sliding rail being provided to the second fixing member, the other being provided to the second lifting member.

8. The character printer according to claim 1, wherein the base is provided with two printing platforms, and the character printer further comprises two third traversing assemblies arranged on the base, wherein the two third traversing assemblies are in one-to-one correspondence with the two printing platforms; the third sideslip subassembly includes fifth slider, fifth slide rail, fifth driving piece, the fifth slide rail is located along the Y axis direction the base, the fifth driving piece is located the base, and the drive is connected the fifth slider, the fifth slider is connected the fifth slide rail with print platform, the fifth slider can drive under the drive of fifth driving piece print platform moves along the Y axis direction.

9. The character printer according to claim 1, further comprising a height measuring device provided on the base and on a front side of the portal frame, the height measuring device being configured to measure a height of the PCB.

10. The character printer according to claim 1, wherein there is a space between adjacent two of said print platforms.