CN221067437U

CN221067437U - Miniature manual printing machine

Info

Publication number: CN221067437U
Application number: CN202322822808.5U
Authority: CN
Inventors: 唐安平; 房坤明; 李忠坤
Original assignee: Chengdu Tepro Technology Co ltd
Current assignee: Chengdu Tepro Technology Co ltd
Priority date: 2023-10-20
Filing date: 2023-10-20
Publication date: 2024-06-04
Anticipated expiration: 2033-10-20

Abstract

The utility model relates to a miniature manual printer which comprises a workbench, an XYZ axis fine adjustment platform, a printing table, a fixed frame, a screen plate and a single-item roller pneumatic control valve, wherein the XYZ axis fine adjustment platform is arranged on the workbench, the printing table is arranged on the XYZ axis fine adjustment platform, the fixed frame is rotatably arranged on the workbench and is positioned above the printing table, the screen plate is arranged in the fixed frame and corresponds to the printing table, the single-item roller pneumatic control valve is arranged on the workbench, and the fixed frame can be matched with the single-item roller pneumatic control valve to fix an object to be printed on the printing table. The utility model has the beneficial effects that: the printing device has the advantages that objects to be printed can be stabilized on the top surface of the printing table, the operation is simple and convenient, the consistency and the reliability of products can be improved, and further the production efficiency is improved and the production cost is reduced.

Description

Miniature manual printing machine

Technical Field

The utility model belongs to the technical field of printing, and particularly relates to a miniature manual printing machine.

Background

In the research and development process of electronic products, aiming at products with small PCB, small product quantity, frequent design change and high quality requirement, the SMT production line is difficult to realize automation and standardization of the products in a short time, and has long period, large loss and high cost, so that most of the products are welded after soldering paste and components are pasted by adopting pure manual operation. However, due to different or inconsistent manipulations by operators, consistency of the amount of solder paste is difficult to achieve, so that various performances of the welded product are difficult to ensure, and manual operation stability is not effectively ensured.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide the miniature manual printing machine which can stabilize objects to be printed on the top surface of a printing table, is simple and convenient to operate, can improve the consistency and reliability of products, and is further beneficial to improving the production efficiency and reducing the production cost.

The aim of the utility model is achieved by the following technical scheme:

The miniature manual printer comprises a workbench, an XYZ-axis fine adjustment platform, a printing table, a fixed frame, a screen plate and a single-item roller pneumatic control valve, wherein the XYZ-axis fine adjustment platform is arranged on the workbench, the printing table is arranged on the XYZ-axis fine adjustment platform, the fixed frame is rotationally arranged on the workbench and positioned above the printing table, the screen plate is arranged in the fixed frame and corresponds to the printing table, the single-item roller pneumatic control valve is arranged on the workbench, and the fixed frame can be matched with the single-item roller pneumatic control valve to enable a to-be-printed object to be fixed on the printing table.

Further, the workbench comprises a base, upright posts and a rotating shaft, wherein the upright posts are arranged on two sides of the top of the base, two ends of the rotating shaft are respectively connected with the tops of the two upright posts in a rotating mode, the XYZ shaft fine adjustment platform is fixed on the base, one frame edge of the fixed frame is fixedly connected with the rotating shaft, and the single-item roller pneumatic control valve is arranged on the upright posts.

Further, the bottom of the printing table is fixed on the XYZ shaft fine adjustment platform, the bottom surface of the printing table is provided with a groove, the side wall of one side of the printing table is provided with a first air hole communicated with the groove, and the top surface of the printing table is provided with a second air hole communicated with the groove.

Further, a plurality of second air holes are formed, and the plurality of second air holes are distributed on the top surface of the printing table in a rectangular array.

Further, the single-line roller pneumatic control valve comprises an air inlet and two air exhaust holes, the air inlet is externally connected with an air source, one air exhaust hole is blocked, the other air exhaust hole is communicated with the first air hole, and the fixed frame can press down the roller on the single-line roller pneumatic control valve through rotation so that the single-line roller pneumatic control valve works.

Further, the top surface of the printing table is provided with a right-angle locating plate, and the inner edge of the right-angle locating plate is aligned with the array edge of the second air hole.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, the existing printing mode without a printing table is replaced, through the arrangement of the fixed frame, the single-item roller pneumatic control valve and the printing table, under the cooperation of the fixed frame and the single-item roller pneumatic control valve, the first air hole and the second air hole on the printing table are combined, so that a to-be-printed object can be stabilized on the top surface of the printing table, the operation is simple and convenient, the stability of the printing operation can be ensured, the consistency and the reliability of products can be improved, and further the production efficiency can be improved and the production cost can be reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of a printing table according to the present utility model;

FIG. 3 is a schematic view of the bottom structure of the printing table according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the mesh plate according to the present utility model.

In the figure: 1. a work table; 11. a base; 12. a column; 13. a rotating shaft; 2. an XYZ axis fine adjustment platform; 3. a printing table; 4. a fixed frame; 5. a screen plate; 6. a single roller pneumatic control valve; 7. a groove; 8. a first air hole; 9. a second air hole; 10. and a right angle locating piece.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1 to 4, a miniature manual printer for solder paste printing of printed matter such as PCB board or circuit chip comprises a workbench 1, an XYZ axis fine adjustment platform 2, a printing table 3, a fixing frame 4 and a screen 5. The XYZ-axis fine adjustment platform 2 is existing equipment, the model is LD40-LM, and the XYZ-axis fine adjustment platform 2 is arranged on the workbench 1; the printing table 3 is fixed on the XYZ-axis fine adjustment platform 2; the fixed frame 4 is rotatably arranged on the workbench 1 and positioned above the printing table 3, and the screen plate 5 is arranged in the fixed frame 4 and corresponds to the printing table 3.

Fixing the object to be printed on the printing table 3, then adjusting the position of the printing table 3 through the XYZ axis fine adjustment platform 2, simultaneously rotating the fixing frame 4 to enable the screen 5 to correspond to the printing table 3 and be placed on the surface of the object to be printed, and then placing printing materials on the screen 5 for printing. As shown in fig. 4, the screen 5 is provided with a steel mesh or a screen, and the corresponding steel mesh or screen can be manufactured according to the pattern to be printed before printing, and the specific manufacturing process is the conventional technical means and will not be described in detail here.

As shown in fig. 1, the workbench 1 comprises a base 11, upright posts 12 and a rotating shaft 13, wherein the upright posts 12 are fixed on two sides of the top of the base 11, and two ends of the rotating shaft 13 are respectively connected with the tops of the two upright posts 12 in a rotating manner. The XYZ-axis fine adjustment platform 2 is fixedly arranged on the base 11; the fixed frame 4 and the screen plate are preferably rectangular structures, one frame edge of the fixed frame 4 is fixedly connected with the rotating shaft 13 in an integral forming mode and the like, the screen plate 5 is placed in the fixed frame 4, and four sides of the screen plate 5 are correspondingly connected with the frames of the fixed frame 4 one by one through connecting pieces such as screws and the like; the single-roller pneumatic control valve 6 is mounted on the upright post 12.

As shown in fig. 1 to 3, the printing table 3 is fastened to the XYZ-axis fine adjustment platform 2 by a connecting member such as a bolt, a groove 7 is provided on the bottom surface of the printing table 3, and when the printing table 3 is fixed, the bottom surface of the printing table 3 is tightly attached to the XYZ-axis fine adjustment platform 2, thereby closing the notch of the groove 7. A first air hole 8 communicated with the groove 7 is formed in the side wall of one side of the printing table 3, and a second air hole 9 communicated with the groove 7 is formed in the top surface of the printing table 3. The to-be-printed matter is placed on the top surface of the printing table 3, and the first air holes 8 are used for exhausting air in the grooves 7, so that the printing table 3 is sucked downwards through the second air holes 9, and then the to-be-printed matter can be adsorbed on the surface of the printing table 3, and the to-be-printed matter is fixed.

In order to further realize the adsorption effect of the objects to be printed, a single-roller pneumatic control valve 6 which can be matched with the fixed frame 4 is arranged on one upright 12. The single-roller pneumatic control valve 6 is an existing device, and is of the model MSV86522R, and comprises an air inlet and two air outlets, wherein the air inlet is used for externally connecting an air source, one air outlet is blocked, and the other air outlet can be communicated with the first air hole 8 through an air pipe (not shown in the figure). When the fixed frame 4 is rotated towards the printing table 3, the rollers on the single-line roller pneumatic control valve can be pressed down through the fixed frame 4, the single-line roller pneumatic control valve 6 is triggered to work, the air inlet is changed into downward pushing force inside the valve body of the single-line roller pneumatic control valve 6, namely, the air is discharged from the exhaust hole, and the exhaust hole is connected with the printing table 3, so that air enters the groove inside on the surface of the printing table 3 to realize downward air suction, a to-be-printed object is placed at the second air hole 9 on the surface of the printing table 3, and the to-be-printed object can be firmly adsorbed on the surface of the printing table 3.

Preferably, as shown in fig. 2 and 3, a plurality of second air holes 9 are provided, and the plurality of second air holes 9 are distributed in a rectangular array on the top surface of the printing table 3, so that the objects to be printed are uniformly stressed. In addition, as shown in fig. 2, a right-angle positioning sheet 10 is fixed on the top surface of the printing table 3, and the inner edge of the right-angle positioning sheet 10 is aligned with the array edge of the second air holes 9 so as to position the object to be printed.

Taking a to-be-printed object as a PCB as an example, the specific working process of using the miniature manual printer to print soldering paste on the PCB is as follows:

The method comprises the steps of connecting an air inlet of a single-item roller pneumatic valve to an external air source, blocking one air outlet of the single-item roller pneumatic valve 6, connecting the other air outlet with a first air hole 8 on a printing table 3 through an air pipe, placing a PCB on the printing table 3, positioning the PCB through a right-angle positioning sheet 10, enabling two mutually perpendicular sides of the PCB to be respectively attached to the inner sides of the right-angle positioning sheet 10, rotating a fixing frame 4 to enable the fixing frame 4 to press rollers on the single-item roller pneumatic valve 6 to start the single-item roller pneumatic valve 6 to work, exhausting air from the first air hole 8 on the printing table 3 through an air outlet of the single-item roller pneumatic valve, enabling a second air hole 9 on the printing table 3 to suck air downwards, further enabling the PCB to be fixedly adsorbed on the printing table 3, then adjusting the position of the printing table 3 through an XYZ-axis fine-tuning platform 2, enabling the printing table 3 to be aligned with the PCB 5, then enabling printing materials such as soldering paste to be placed on the printing table 5, scraping the PCB to be printed by using a scraper, after printing, enabling the fixing frame 4 to press the rollers on the single-item roller pneumatic valve 6 to work, lifting the single-item roller pneumatic valve 6 through rotation of the fixing frame 4, enabling the printing table to stop the single-item roller pneumatic valve to suck air from the first air hole 8 to suck air from the first air hole on the printing table 3, and then removing the PCB from the printing table.

For other same PCB boards, the PCB boards are only required to be fixed again, the printing table is not required to be positioned again, the operation process is simple and convenient, the operation stability in the printing process can be ensured and the consistency and reliability of products can be improved by fixing and printing the PCB boards through the utility model, and further the production efficiency is improved and the production cost is reduced. For other different objects to be printed, the screen plate 5 can be replaced according to the required printing patterns, and other operation principles are the same as the specific printing process principles of the PCB.

Finally, while the foregoing description has shown and described embodiments of the present utility model, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A miniature manual printer, characterized in that: the printing machine comprises a workbench (1), an XYZ-axis fine adjustment platform (2), a printing table (3), a fixing frame (4), a screen plate (5) and a single-item roller pneumatic control valve (6), wherein the XYZ-axis fine adjustment platform (2) is arranged on the workbench (1), the printing table (3) is arranged on the XYZ-axis fine adjustment platform (2), the fixing frame (4) is rotationally arranged on the workbench (1) and is positioned above the printing table (3), the screen plate (5) is arranged in the fixing frame (4) and corresponds to the printing table (3), the single-item roller pneumatic control valve (6) is arranged on the workbench (1), and the fixing frame (4) can be matched with the single-item roller pneumatic control valve (6) so that a to-be-printed matter is fixed on the printing table (3).

2. The micro manual printer according to claim 1, wherein: the workbench (1) comprises a base (11), upright posts (12) and a rotating shaft (13), wherein the upright posts (12) are arranged on two sides of the top of the base (11), two ends of the rotating shaft (13) are respectively connected with the tops of the two upright posts (12) in a rotating mode, the XYZ-axis fine adjustment platform (2) is fixed on the base (11), one frame edge of the fixed frame (4) is fixedly connected with the rotating shaft (13), and the single-item roller pneumatic control valve (6) is arranged on the upright posts (12).

3. The micro manual printer according to claim 1, wherein: the bottom of the printing table (3) is fixed on the XYZ-axis fine adjustment platform (2), the bottom surface of the printing table (3) is provided with a groove (7), one side wall of the printing table (3) is provided with a first air hole (8) communicated with the groove (7), and the top surface of the printing table (3) is provided with a second air hole (9) communicated with the groove (7).

4. A micro manual printer according to claim 3, wherein: the second air holes (9) are arranged in a plurality, and the second air holes (9) are distributed on the top surface of the printing table (3) in a rectangular array.

5. A micro manual printer according to claim 3, wherein: the single-wire roller pneumatic control valve (6) comprises an air inlet and two air exhaust holes, the air inlet is externally connected with an air source, one air exhaust hole is blocked, the other air exhaust hole is communicated with the first air hole (8), and the fixed frame (4) can press down the roller on the single-wire roller pneumatic control valve through rotation so as to enable the single-wire roller pneumatic control valve (6) to work.

6. The micro manual printer according to claim 4, wherein: the top surface of the printing table (3) is provided with a right-angle locating piece (10), and the inner edge of the right-angle locating piece (10) is aligned with the array edge of the second air hole (9).