CN217753199U

CN217753199U - Automatic cleaning device of SMT printing machine

Info

Publication number: CN217753199U
Application number: CN202221728069.2U
Authority: CN
Inventors: 郭美鸫; 龙甦钢; 朱要辉; 陈双龙
Original assignee: Fujian Wanda Photoelectric Technology Co ltd
Current assignee: Fujian Wanda Photoelectric Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-08
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a self-cleaning device of SMT printing machine, it includes the blade holder, the lower surface of blade holder just is close to the equal fixedly connected with fixed plate of left and right sides edge department, the lower surface of blade holder just is located fixedly connected with slide rail between the fixed plate, the below of blade holder is provided with the mounting panel, the lower surface of mounting panel just is close to the fixedly connected with dead lever of rear side edge department, the dead lever is kept away from the lower fixed surface of mounting panel and is connected with the back cleaning block, the place ahead of back cleaning block is provided with preceding cleaning block, the last fixed surface of preceding cleaning block is connected with the spring, the upper surface of preceding cleaning block and the lower fixed surface of mounting panel are connected are kept away from to the spring. Through above-mentioned structure, can be effectively with the solder paste on scraper surface for the clearance to prevent that the solder paste from being stained with the time process that attaches and can be polluted by the dust, and then can pollute other solder pastes, be favorable to preventing to influence holistic welding quality because of the solder paste quality reduces.

Description

Automatic cleaning device of SMT printing machine

Technical Field

The utility model relates to a clean technical field of SMT printing machine, in particular to automatic cleaning device of SMT printing machine.

Background

SMT printer is a key ring in the SMT production line, brush the tin cream of welding usefulness on the surface of printed circuit board through the cooperation that uses scraper and otter board uniformly, be used for welding required electronic component on the circuit board, the in-process of brushing the tin cream has partial tin cream adhesion all the time on the surface of scraper, the time has long easily polluted by the dust, thereby reduce the quality of other tin creams, can influence the welded quality finally, then propose an SMT printer's self-cleaning device, be used for clearing up the tin cream that the scraper surface is stained with.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide the self-cleaning device of SMT printing machine, can fall the solder paste on scraper surface for clearing up effectively to prevent that the solder paste from being stained with the time process that attaches and can be polluted by the dust, and then can pollute other solder pastes, be favorable to preventing to influence holistic welding quality because of the solder paste quality reduces.

For realizing above-mentioned purpose, provide SMT printing machine's self-cleaning device, including the blade holder, the lower surface of blade holder just is close to the equal fixedly connected with fixed plate of edge department about, the lower surface of blade holder just is located the fixedly connected with slide rail between the fixed plate, the below of blade holder is provided with the mounting panel, the lower surface of mounting panel just is close to the fixedly connected with dead lever of edge department in the rear side, the dead lever is kept away from the lower fixed surface of mounting panel and is connected with the back cleaning block, the place ahead of back cleaning block is provided with preceding cleaning block, the last fixed surface of preceding cleaning block is connected with the spring, the upper surface of preceding cleaning block and the lower fixed surface of mounting panel are connected are kept away from to the spring. The utility model discloses a clean effect of scraper surface, including the fixed plate, the fixed plate is for the convenience effect of carrying out the location installation through setting up the fixed plate, be for the convenience effect of carrying out location installation and direction through setting up the slide rail, be for the convenience effect of location installation dead lever guide bar through setting up the mounting panel, be for the convenience effect of location installation back cleaning block through setting up the dead lever, be for the convenience effect of the solder paste of clean scraper rear side surface through setting up back cleaning block, be for the convenience solder paste of clean scraper front side surface through cleaning block before setting up, be for the convenience effect that clean block and scraper surface closely laminate before through setting up the spring.

According to the automatic cleaning device of the SMT printing machine, the upper surface of the front cleaning block is fixedly connected with the guide rod, the inner side of the guide rod, which is located on the spring, is far away from the upper surface of the front cleaning block, and the limiting block is fixedly connected with the mounting plate. The guide rod is used for facilitating the up-and-down movement of the front cleaning block to perform positioning and guiding functions, and the limiting block is used for facilitating the limiting of the position.

According to the automatic cleaning device of the SMT printing machine, the outside surface of the fixing plate is located on the left side of the cutter holder and is fixedly connected with a supporting frame, the upper surface of the supporting frame is fixedly connected with a supporting plate, and the upper surface of the supporting plate is fixedly connected with a motor. The supporting frame is used for positioning and supporting the supporting plate conveniently, the supporting plate is used for positioning and installing the motor conveniently, and the motor is used for providing power for outputting torque conveniently.

According to the automatic cleaning device of the SMT printer, the output end fixedly connected with lead screw of motor, the output that the motor was kept away from to the lead screw extends to the inside fixedly connected with bearing of slide rail, the outside surface of bearing and the inboard fixed surface in the right side of slide rail are connected. The screw rod is arranged to be matched with the nut conveniently, so that the nut is driven to move, and the bearing is arranged to be used for positioning and installing the screw rod conveniently.

According to the automatic cleaning device of the SMT printing machine, the surface of the lead screw is movably connected with the nut inside the slide rail, the lower surface of the nut is fixedly connected with the connecting piece, and the lower surface of the connecting piece, far away from the nut, extends to the outside of the slide rail and is fixedly connected with the upper surface of the mounting plate. The nut is arranged to facilitate movement so as to drive the connecting piece and the mounting plate to move.

According to the automatic cleaning device of the SMT printer, the inner side surface fixed connection of fixed plate has the scraper, the scraper is located the below of mounting panel, the scraper sets up for the slope. The scraper is arranged to facilitate the rolling action of scraping the solder paste on the steel plate.

According to the automatic cleaning device of the SMT printer, the inclination angles of the scraper and the rear surface of the front cleaning block and the front surface of the rear cleaning block are the same, and the rear surface of the front cleaning block and the front surface of the rear cleaning block are both in contact with the surface of the scraper. The function of conveniently cleaning the solder paste on the surface of the scraper is achieved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a front view of the external structure of the automatic cleaning device of the SMT printer according to the present invention;

FIG. 2 is a right side view of the internal structure of the automatic cleaning device of the SMT printer according to the present invention;

FIG. 3 is a schematic structural view of a front cleaning block and a rear cleaning block of the automatic cleaning device of the SMT printer according to the present invention;

fig. 4 is an enlarged view of a in fig. 2 according to the present invention.

Illustration of the drawings:

1. a tool apron; 2. a fixing plate; 4. mounting a plate; 5. fixing the rod; 6. a post-cleaning block; 7. a scraper; 8. a front cleaning block; 9. a guide bar; 10. a spring; 11. a limiting block; 12. a slide rail; 13. a motor; 14. a support plate; 15. a support frame; 16. a screw rod; 17. a nut; 18. a connecting member.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

Referring to fig. 1 to 4, the embodiment of the utility model provides an automatic cleaning device of SMT printing machine, it includes blade holder 1, blade holder 1's lower surface just is close to the equal fixedly connected with fixed plate 2 of left and right sides edge department, blade holder 1's lower surface just is located fixedly connected with slide rail 12 between fixed plate 2, be for the effect of conveniently fixing a position installation and direction through setting up slide rail 12, blade holder 1's below is provided with mounting panel 4, be for the effect of conveniently fixing a position installation dead lever 5 guide bar 9 through setting up mounting panel 4, mounting panel 4's lower surface just is close to edge department fixedly connected with dead lever 5 of rear side, dead lever 5 keeps away from the lower fixed surface of mounting panel 4 and is connected with back cleaning block 6, the place ahead of back cleaning block 6 is provided with preceding cleaning block 8, the last fixed surface of preceding cleaning block 8 is connected with spring 10, spring 10 keeps away from the upper surface of preceding cleaning block 8 and the lower fixed surface of mounting panel 4 is connected.

The upper surface of preceding clean piece 8 fixed connection has guide bar 9, and the inboard that is located spring 10 of guide bar 9, the upper surface that clean piece 8 was kept away from before guide bar 9 run through mounting panel 4 fixedly connected with stopper 11.

The outside surface of fixed plate 2 just is located the left side fixedly connected with support frame 15 of blade holder 1, the last fixed surface of support frame 15 is connected with backup pad 14, the last fixed surface of backup pad 14 is connected with motor 13, the output fixedly connected with lead screw 16 of motor 13, the output that motor 13 was kept away from to lead screw 16 extends to the inside fixedly connected with bearing of slide rail 12, the outside surface of bearing and the inboard fixed surface in the right side of slide rail 12 are connected.

The surface of the screw rod 16 and the inner part of the slide rail 12 are movably connected with a nut 17, the lower surface of the nut 17 is fixedly connected with a connecting piece 18, and the connecting piece 18 is far away from the lower surface of the nut 17 and extends to the outer part of the slide rail 12 to be fixedly connected with the upper surface of the mounting plate 4.

The scraper 7 is fixedly connected to the inner side surface of the fixing plate 2, the scraper 7 is located below the mounting plate 4, the scraper 7 is arranged in an inclined mode, the rear side surface of the front cleaning block 8 is consistent with the front side surface of the rear cleaning block 6 in inclination angle with the scraper 7, and the rear side surface of the front cleaning block 8 is in contact with the front side surface of the rear cleaning block 6 in surface contact with the scraper 7.

The working principle is as follows: during the use, after scraping the tin cream on the circuit board, the total controller of printing machine can control the scraper and rise, break away from the contact back with the otter board when scraper 7, cleaning block 8 resets before spring 10 can promote this moment, make the front side surface of preceding cleaning block 8 and scraper 7 contact, after that, it is rotatory to drive lead screw 16 through total controller control motor 13 output torque, drive mounting panel 4 and preceding cleaning block 8 through lead screw 16 rotation driving nut 17, back cleaning block 6 removes, be stained with the tin cream that attaches around scraper 7 side surface for clean up can, finally reach and carry out clear effect to the surface of scraper 7 voluntarily.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

The automatic cleaning device of the SMT printing machine comprises a tool apron (1) and is characterized in that the lower surface of the tool apron (1) is close to a left side edge and a right side edge of a fixed plate (2) in a fixed connection mode, the lower surface of the tool apron (1) is located between the fixed plates (2) and is fixedly connected with sliding rails (12), a mounting plate (4) is arranged below the tool apron (1), a lower surface of the mounting plate (4) is close to a rear side edge of a fixed connection mode and is fixedly connected with fixing rods (5), the fixing rods (5) are far away from lower surface fixed connection of the mounting plate (4) and rear cleaning blocks (6), front cleaning blocks (8) are arranged in front of the rear cleaning blocks (6), upper surface fixed connection of the front cleaning blocks (8) is provided with springs (10), and the springs (10) are far away from upper surfaces of the front cleaning blocks (8) and lower surface fixed connection of the mounting plate (4).
2. The automatic cleaning device of the SMT printer according to claim 1, wherein a guide rod (9) is fixedly coupled to an upper surface of the front cleaning block (8), the guide rod (9) is located inside the spring (10), and a stopper (11) is fixedly coupled to an upper surface of the guide rod (9) away from the front cleaning block (8) through the mounting plate (4).
3. The automatic cleaning device of an SMT printer according to claim 1, wherein a support bracket (15) is fixedly connected to an outer side surface of the fixing plate (2) and located on a left side of the blade holder (1), a support plate (14) is fixedly connected to an upper surface of the support bracket (15), and a motor (13) is fixedly connected to an upper surface of the support plate (14).
4. The automatic cleaning device of an SMT printer according to claim 3, wherein a lead screw (16) is fixedly connected to an output end of the motor (13), and a bearing is fixedly connected to an inner portion of the lead screw (16) that extends away from the output end of the motor (13) to the slide rail (12), and an outer side surface of the bearing is fixedly connected to a right inner side surface of the slide rail (12).
5. The automatic cleaning device of an SMT printer according to claim 4, wherein a nut (17) is movably connected to the surface of the lead screw (16) and located inside the slide rail (12), a connecting member (18) is fixedly connected to a lower surface of the nut (17), and the connecting member (18) extends away from the lower surface of the nut (17) to the outside of the slide rail (12) and is fixedly connected to the upper surface of the mounting plate (4).
6. The automatic cleaning device of an SMT printer according to claim 1, wherein a scraper (7) is fixedly attached to an inner side surface of the fixing plate (2), the scraper (7) is positioned below the mounting plate (4), and the scraper (7) is disposed in an inclined manner.
7. The automatic cleaning apparatus of an SMT printer according to claim 6, wherein the rear side surface of the front cleaning block (8) and the front side surface of the rear cleaning block (6) are inclined at an angle corresponding to the angle of the scraper (7), and the rear side surface of the front cleaning block (8) and the front side surface of the rear cleaning block (6) are both in contact with the surface of the scraper (7).