CN217863393U

CN217863393U - Printed Circuit Board (PCB) character jet printing equipment

Info

Publication number: CN217863393U
Application number: CN202222277804.9U
Authority: CN
Inventors: 彭波
Original assignee: Shanghai Henghe Guangma Technology Co ltd
Current assignee: Shanghai Henghe Guangma Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-11-22
Anticipated expiration: 2032-08-29

Abstract

The utility model relates to a PCB character spray printing device, which comprises a U-shaped frame, a printing mechanism, a feeding mechanism, a visual alignment mechanism and a nozzle cleaning mechanism, wherein the printing mechanism, the feeding mechanism, the visual alignment mechanism and the nozzle cleaning mechanism are arranged on the U-shaped frame; the feeding mechanism is used for conveying the target product to the printing mechanism for printing; the visual alignment mechanism is used for positioning target products on the upper feeding platform and the lower feeding platform; and the spray head cleaning mechanism is used for cleaning the spray head of the jet printing machine. The utility model discloses a through being provided with upper feeding platform and lower feeding platform, two platforms carry out the feed simultaneously, convenient operation has improved work efficiency; the feeding mechanism of the utility model only has a group of lifting units, the structure is more simplified, the manufacturing cost is reduced, the fixed asset expenditure of enterprises is reduced, the use cost of purchasing the enterprises is reduced, and the feeding mechanism is suitable for large-scale popularization; the utility model discloses it is more thorough to establish high-pressure air chamber formula shower nozzle wiper mechanism to ink jet printer's washing, makes the printing quality obviously improve.

Description

Printed Circuit Board (PCB) character jet printing equipment

Technical Field

The utility model relates to a PCB board prints technical field, specific theory relates to a PCB board character spouts seal equipment.

Background

Ink Jet Printing (Ink Jet Printing), abbreviated as IJP, refers to a technology of converting image and text information into a pulse electrical signal and transmitting the pulse electrical signal to an Ink Jet device through the action of a computer, and an Ink Jet control system enables the surface of a Printing stock to reproduce the image and text information by calculating the Ink consumption of a corresponding channel and controlling Ink to be jetted to a specific surface position of the Printing stock, so that the digital Ink Jet Printing is applicable to multiple application scenes at present.

Digital jet printing has been used in the field of PCB manufacture for more than ten years, mainly in the process of PCB character jet printing, the traditional mode is to print characters on a circuit board by a screen printing mode, the traditional screen printing can use a large amount of toxic and harmful chemicals in the process of washing a screen, and along with the demand of an integrated circuit on the size is smaller and smaller, the traditional screen is difficult to meet the requirements of certain sizes, and more development opportunities are provided for ink jet printing under the national emphasis on energy conservation and environmental protection.

The prior ink-jet printer has some problems when printing a circuit board, and fig. 1 and 2 show two feeding platforms of a common PCB ink-jet printer in the current market, wherein the feeding platform in fig. 1 is a parallel double platform, and in the actual operation process, an operator needs to switch between the two platforms back and forth, so that the operation is inconvenient, one shift comes down, the operator becomes very tired, and the working efficiency is influenced; fig. 2 shows another movement mode of the feeding platform, because two working platforms have independent Y-axis and Z-axis movement mechanisms, the two independent movement mechanisms increase the cost of the whole machine, which increases the fixed asset expenditure cost of an enterprise, and the logic actions of the equipment are too many, so that the accumulated error and the failure rate are increased.

In addition, the nozzle needs to be cleaned in time after printing is finished, and whether the cleaning is clean or not can influence the printing quality of the nozzle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, convenient operation, the abluent PCB board character of being convenient for spout seal equipment.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a PCB board character spouts seal equipment, includes U type frame, be equipped with on the U type frame:

the printing mechanism is arranged at one end of the U-shaped frame, comprises a spray printing component and is used for printing patterns on a target product;

the feeding mechanism is arranged at the other end of the U-shaped rack and used for conveying a target product to the printing mechanism for printing, the feeding mechanism comprises an upper feeding platform and a lower feeding platform, and the lower feeding platform comprises a lifting unit;

the visual alignment mechanism is arranged between the printing mechanism and the feeding mechanism and used for positioning target products on the upper feeding platform and the lower feeding platform;

the nozzle cleaning mechanism is matched with the printing mechanism and comprises an air cavity, and a nozzle is arranged on the air cavity and used for cleaning the jet printing component.

Preferably, the upper feed platform comprises an upper feed pallet slidably coupled to the U-frame via a guide rail to transport the target product to the printing mechanism.

Preferably, the lower feeding platform comprises a lower feeding supporting plate, a bottom plate and a vertical cylinder, the supporting plate is arranged on the bottom plate, the vertical cylinder is arranged on one side of the supporting plate, the lower feeding supporting plate is in driving connection with the vertical cylinder, and the bottom plate is in sliding connection with the inner bottom of the U-shaped frame through a guide rail.

Preferably, the vision alignment mechanism comprises a first portal, a vision alignment mechanism CCD camera mounting plate and a CCD camera, the CCD camera mounting plate is connected with the first portal in a sliding mode through a guide rail, and the CCD camera is mounted on the CCD camera mounting plate.

Preferably, the number of the CCD cameras is two, and the two groups of CCD cameras reciprocate from two ends of the guide rail to the middle through the CCD camera mounting frame.

Preferably, the printing mechanism comprises a second gantry, and the jet printing assembly is slidably connected with the second gantry through a guide rail.

Preferably, the jet printing component consists of five jet heads.

Preferably, the nozzle cleaning mechanism further comprises a slide carriage, a slide rail is arranged below the slide carriage, a translation cylinder is arranged on one side of the slide carriage, an air cavity is formed in the top end of the slide carriage, and an air inlet hole is formed in one side of the air cavity.

Preferably, the top end of the air cavity is provided with a nozzle seat, and the nozzle is arranged on the nozzle seat.

Preferably, the nozzle seat is a trapezoidal body.

Has the advantages that: the utility model has the advantages that: the utility model discloses a through being provided with upper feeding platform and lower feeding platform, two platforms carry out the feed simultaneously, convenient operation has improved work efficiency; the feeding mechanism of the utility model only has one group of lifting units, compared with the traditional arrangement of two groups of lifting units, the structure is simplified, the manufacturing cost is reduced, the fixed asset expenditure of enterprises is reduced, the use cost for purchasing the enterprises is reduced, and the feeding mechanism is suitable for large-scale popularization; the utility model discloses it is more thorough to the washing of ink jet printer to be equipped with high-pressure air chamber formula shower nozzle wiper mechanism, makes the quality of printing obviously improve.

Drawings

Fig. 1 is a perspective view (one) of the present invention;

fig. 2 is a perspective view (ii) of the present invention;

FIG. 3 is a structural view of a feeding mechanism of the present invention;

FIG. 4 is a structural diagram of a printing mechanism according to the present invention;

FIG. 5 is a structural diagram of the vision alignment mechanism of the present invention;

FIG. 6 is a structural view of the nozzle cleaning mechanism of the present invention;

fig. 7 is a structure diagram of the protective casing of the present invention.

1. A U-shaped frame; 11. a protective housing; 2. a printing mechanism; 21. a jet printing assembly; 22. a second portal; 23. a spray head; 3. a feeding mechanism; 31. an upper feeding platform; 311. feeding a supporting plate; 32. A lower feeding platform; 33. a lower feeding supporting plate; 34. a lifting unit; 341. a support plate; 342. a base plate; 343. a vertical cylinder; 4. a vision alignment mechanism; 41. a first portal; 42. a CCD camera mounting plate; 43. a CCD camera; 5. a spray head cleaning mechanism; 51. an air cavity; 52. a nozzle; 53. a slide carriage; 54. a translation cylinder; 55. an air intake; 56. a nozzle seat.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-7, a PCB character spray printing device comprises a U-shaped frame 1,U, a printing mechanism 2, a feeding mechanism 3, a visual alignment mechanism 4 and a nozzle cleaning mechanism 5.

As shown in fig. 2 and 4, in the present embodiment, the printing mechanism 2 is disposed at one end of the U-shaped frame 1, and includes a jet printing assembly 21 and a second frame 22, two ends of the second frame 22 are connected to two sides of the U-shaped frame 1, a guide rail is horizontally disposed on the second frame 22, and the jet printing assembly 21 reciprocates on the second frame 22 through the guide rail for printing a pattern on a target product.

Specifically, the jet printing assembly 21 is composed of five nozzles 23, the five nozzles 23 are arranged in two rows, one row is three, the other row is two, and the positions of the two rows of nozzles 23 are distributed in a staggered manner, so that the jet printing assembly 21 moves from one side of the second door frame 22 to the other side, the required patterns can be completely printed on the target product, and the printing is efficient and rapid.

As shown in fig. 2 and 3, in the present embodiment, the feeding mechanism 3 is provided at the other end of the U-shaped frame 1, and is used for conveying the target product from the starting point to the printing mechanism 2 for printing, and the feeding mechanism includes an upper feeding platform 31 and a lower feeding platform 32.

Specifically, upper feeding platform 31 includes upper feeding layer board 311, upper feeding layer board 311 passes through guide rail and 1 sliding connection of U type frame in order to transport the target product to printing mechanism 2, upper feeding platform 31 is located initial position before the work, operating personnel places the target product on upper feeding platform 31, upper feeding platform 31 carries the target product to printing mechanism 2 department, printing mechanism 2 prints and accomplishes the back operating personnel and takes out the target product, upper feeding platform 31 resets to initial position, accomplish the process of printing and having printed the material again of the from the material loading of a PCB board.

Specifically, lower feed platform 32 includes lower feed layer board 33, lower feed layer board 33 passes through the guide rail and slides the setting at U type frame 1 inner bottom, the cooperation is gone up feed platform 31 and is used, the crisscross incessant to printing mechanism 2 feed of two platforms, improve the efficiency of printing the PCB board, lower feed platform 32 is equipped with lifting unit 34, lifting unit 34 includes backup pad 341, bottom plate 342 and perpendicular cylinder 343, backup pad 341 is located on bottom plate 342, backup pad 341 one side is located to perpendicular cylinder 343, lower feed layer board 33 and perpendicular cylinder 343 drive connection, bottom plate 342 passes through guide rail and U type frame 1 inner bottom sliding connection.

The initial position of lower feeding platform 32 is located below upper feeding platform 31, an operator places a target product on upper feeding platform 31, upper feeding platform 31 moves away from the initial position to printing mechanism 2, lifting unit 34 of lower feeding platform 32 lifts lower feeding support plate 33 to the initial position of upper feeding platform 31, the operator places the target product behind lower feeding platform 32, lifting unit 34 descends to the initial position, lower feeding platform 32 moves to printing mechanism 2, wait below upper feeding platform 31, after the target product on upper feeding platform 31 finishes printing, upper feeding platform 31 moves to the starting point, at this moment, lower feeding platform 32 lifts to the station of printing mechanism 2, the target product of lower feeding platform 32 is taken out after printing, lower feeding platform 32 descends and then returns to the initial position, the feeding speed is high, and the printing efficiency is improved.

As shown in fig. 5, in this embodiment, the visual alignment mechanism 4 is disposed between the printing mechanism 2 and the feeding mechanism 3, and is used for positioning a target product on the upper feeding platform 31 and the lower feeding platform 32, so that the printing mechanism 2 can accurately print a pattern, specifically, the visual alignment mechanism 4 includes a first gantry 41, a CCD camera mounting plate 42, and CCD cameras 43, the CCD camera mounting plate 42 is slidably connected to the first gantry 41 through a guide rail, the CCD cameras 43 are mounted on the CCD camera mounting plate 42, two sets of CCD cameras 43 are provided, the two sets of CCD cameras 43 reciprocate from two ends of the guide rail to the middle through the CCD camera mounting plate 42, the CCD cameras are positioned by finding positioning points on the target product, and the position of the target product is accurately and quickly printed.

As shown in fig. 6, in this embodiment, the nozzle cleaning mechanism 5 is provided in cooperation with the printing mechanism 2, the nozzle cleaning mechanism 5 is provided at one side of the U-shaped frame 1 and is positioned to be aligned with an initial position of the nozzle assembly 21 of the printing mechanism 2, the nozzle cleaning mechanism 5 includes an air chamber 51, a nozzle 52 is provided on the air chamber 51, the nozzle 52 ejects air for cleaning the nozzle 23 of the nozzle assembly 21, in order to clean the nozzle 23, the air chamber 51 is provided on a carriage 53, the carriage 53 is slidably coupled to one side of the U-shaped frame 1 through a guide rail, a translation cylinder 54 is provided at one side of the carriage 53, the translation cylinder 54 drives the carriage 53 to reciprocate along the guide rail, an air inlet 55 is provided at one side of the air chamber 51, compressed air enters the air chamber 51 through the air inlet 55 to form a certain pressure in the air chamber 51, and then is ejected from the nozzle 52, and high-pressure air cleans the nozzle 23. Further, the air chamber 51 is provided with a nozzle seat 56, the nozzle 52 is arranged on the nozzle seat 56, the nozzle seat 56 is a trapezoid, the nozzle 52 is arranged on the inclined surface of the nozzle seat 56, and the obliquely sprayed high-pressure gas can clean the nozzle 23 more omnidirectionally.

Further, as shown in fig. 7, a protective housing 11 is provided on the periphery of the U-shaped frame 1 for dust prevention.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a PCB board character spouts seal equipment which characterized in that, includes U type frame, be equipped with on the U type frame:

the printing mechanism is arranged at one end of the U-shaped rack, comprises a jet printing component and is used for printing patterns on a target product;

the visual alignment mechanism is arranged between the printing mechanism and the feeding mechanism and used for positioning the target products on the upper feeding platform and the lower feeding platform;

2. The PCB of claim 1, wherein the upper feed platform comprises an upper feed pallet slidably coupled to the U-shaped frame via a guide rail to deliver the target product to the printing mechanism.

3. The apparatus of claim 2, wherein the lower feeding platform comprises a lower feeding support plate, a bottom plate and a vertical cylinder, the support plate is disposed on the bottom plate, the vertical cylinder is disposed on one side of the support plate, the lower feeding support plate is drivingly connected to the vertical cylinder, and the bottom plate is slidably connected to the inner bottom of the U-shaped frame through a guide rail.

4. The PCB character jet printing device of claim 3, wherein the vision alignment mechanism comprises a first door frame, a vision alignment mechanism CCD camera mounting plate and a CCD camera, the CCD camera mounting plate is connected with the first door frame in a sliding mode through a guide rail, and the CCD camera is mounted on the CCD camera mounting plate.

5. The PCB character jet printing device of claim 4, wherein the number of the CCD cameras is two, and the two groups of the CCD cameras reciprocate from two ends of the guide rail to the middle through the CCD camera mounting frame.

6. The PCB character jet printing device of claim 5, wherein the printing mechanism comprises a second gantry, and the jet printing assembly is slidably connected with the second gantry through a guide rail.

7. The PCB character jet printing device of claim 6, wherein the jet printing assembly consists of five nozzles.

8. The PCB character jet printing device of claim 7, wherein the nozzle cleaning mechanism further comprises a slide carriage, a slide rail is arranged below the slide carriage, a translation cylinder is arranged on one side of the slide carriage, the air chamber is arranged at the top end of the slide carriage, and an air inlet is arranged on one side of the air chamber.

9. The apparatus for printing characters on a PCB as claimed in claim 8, wherein the top of the air chamber is provided with a nozzle holder, and the nozzle is provided on the nozzle holder.

10. The apparatus of claim 9, wherein the nozzle mount is a trapezoidal body.