CN212573137U

CN212573137U - Through-hole solder paste printing device

Info

Publication number: CN212573137U
Application number: CN201922375261.2U
Authority: CN
Inventors: 王小进
Original assignee: Beilishi Electronic Technology Suzhou Co ltd
Current assignee: Beilishi Electronic Technology Suzhou Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2021-02-19
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to a through-hole solder paste printing device, which comprises a bearing cabinet, wherein a shell is arranged above the bearing cabinet, a supporting plate is arranged at the bottom of the shell, a positioning plate is welded above the supporting plate, the positioning plate is symmetrically distributed at two sides of the supporting plate, a printing area is arranged between the positioning plates, a transverse guide rail is arranged above the printing area, a mounting hole is arranged on the transverse guide rail, a baffle is arranged at one side of the transverse guide rail, a motor mounting plate is arranged at the other side of the transverse guide rail, a servo motor I is arranged at one side of the motor mounting plate, the servo motor I is rotationally connected with a screw rod I, the end of the screw rod I is rotationally connected with a bearing seat, the bearing seat is connected with the baffle through bolt, the screw rod I is sleeved and connected with a screw sleeve I, the screw sleeve I is connected, time and labor are saved, the working efficiency is improved, the horizontal sliding and vertical sliding positioning are accurate, and the welding spot is guaranteed to be printed uniformly.

Description

Through-hole solder paste printing device

Technical Field

The utility model relates to a through-hole tin cream printing device belongs to circuit board lithography apparatus technical field.

Background

The solder paste printer is also called SMT printer, generally composed of mechanisms such as plate loading, solder paste adding, impression, power transmission circuit board, etc., and its working principle is: the PCB to be printed is made into printing plate, which is installed on a printing machine, then solder paste is coated on the printing plate by manpower or the printing machine, and then the printed circuit board is directly or indirectly transferred to the PCB, thus the PCB same as the printing plate is duplicated.

Current tin cream printing machine is mostly semi-automatic or artifical printing, and work efficiency is lower, and circuit board location is inaccurate during the printing, takes place to rock and can cause the printing quality not good, also can influence the degree of consistency of solder joint when the location is accurate inadequately when the printing machine carries out level and vertical direction removal.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a through-hole tin cream printing device, replaces manual printing, and work efficiency promotes, and circuit board location is accurate difficult for taking place to rock when printing, and the location of printing machine horizontal displacement and vertical displacement is accurate, and the solder joint is even, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a through-hole tin cream printing device, includes the bearing cabinet, bearing cabinet top is equipped with the casing, the casing bottom is equipped with the layer board, the welding of layer board top has the locating plate, locating plate symmetric distribution is in the layer board both sides, be equipped with the printing district between the locating plate, printing district top is equipped with the horizontal line guide rail, be equipped with the mounting hole on the horizontal line guide rail, horizontal line guide rail one side is equipped with the baffle, horizontal line guide rail opposite side is equipped with the motor mounting panel, motor mounting panel one side is equipped with servo motor one, servo motor rotates and is connected with lead screw one, a terminal rotation of lead screw is connected with the bearing frame, bearing frame and baffle bolted connection, a cover is established and is connected with thread bush one on the lead screw, thread bush bolted connection.

As a preferred technical scheme of the utility model, printing mechanism includes the connecting plate, thread bush one and connecting plate bolted connection, connecting plate one side is equipped with the slider, slider and horizontal line guide rail sliding connection.

As a preferred technical scheme of the utility model, the connecting plate top is equipped with servo motor two, servo motor two rotates and is connected with lead screw two, the cover is equipped with thread bush two on the lead screw two, two one end bolted connection of thread bush have the scraper mounting bracket, scraper mounting bracket below is equipped with the scraper.

As an optimal technical scheme of the utility model, the printing area includes the blotter, the blotter top is equipped with printed circuit board, the printed circuit board top is equipped with the through-hole otter board.

As the utility model discloses a preferred technical scheme, bearing cabinet bottom is equipped with the anti-skidding pad foot, the material of anti-skidding pad foot is stereoplasm rubber, the quantity of anti-skidding pad foot is four, the anti-skidding pad foot distributes in bearing cabinet bottom four corners department.

As an optimized technical scheme of the utility model, the bearing cabinet surface is equipped with control panel.

The utility model discloses beneficial effect:

1. the utility model discloses a set up horizontal line guide rail and slider and reduced the frictional force of printing mechanism when the horizontal direction displacement, increase of service life makes printing mechanism fix a position when carrying out horizontal displacement accurate through setting up servo motor one and lead screw, and the solder joint is even when having guaranteed the printing.

2. The utility model discloses a set up servo motor two and two messenger scrapers of lead screw and be accurate in the ascending displacement location of vertical side, improved the printing quality, make through-hole otter board and printed circuit board difficult emergence when the printing rock through setting up the locating plate, can improve the degree of consistency and the quality of solder joint, make the locating plate be difficult for damaging printed circuit board when fixing a position through-hole otter board and printed circuit board through setting up the blotter.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of the present invention.

Fig. 2 is a right side view of the printing mechanism of the present invention.

Fig. 3 is a schematic view of the printing zone of the present invention.

Reference numbers in the figures: 1. a load bearing cabinet; 2. a housing; 3. a support plate; 4. positioning a plate; 5. a printing area; 6. a transverse guide rail; 7. a motor mounting plate; 8. a first servo motor; 9. a first screw rod; 10. a bearing seat; 11. a baffle plate; 12. Mounting holes; 13. sleeving a first thread; 14. a printing mechanism; 15. a connecting plate; 16. a slider; 17. a servo motor II; 18. a second screw rod; 19. a second thread sleeve; 20. a scraper mounting frame; 21. a scraper; 22. a cushion pad; 23. A printed circuit board; 24. a through hole screen plate; 25. anti-skid foot pads; 26. a control panel.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in figures 1-3, a through-hole solder paste printing device comprises a bearing cabinet 1, a shell 2 is arranged above the bearing cabinet 1, a supporting plate 3 is arranged at the bottom of the shell 2, a positioning plate 4 is welded above the supporting plate 3, the positioning plate 4 is symmetrically distributed at two sides of the supporting plate 3, a printing area 5 is arranged between the positioning plates 4, a transverse guide rail 6 is arranged above the printing area 5, a mounting hole 12 is arranged on the transverse guide rail 6, a baffle 11 is arranged at one side of the transverse guide rail 6, a motor mounting plate 7 is arranged at the other side of the transverse guide rail 6, a first servo motor 8 is arranged at one side of the motor mounting plate 7, the first servo motor 8 is rotatably connected with a first lead screw 9, the tail end of the first lead screw 9 is rotatably connected with a bearing seat 10, the bearing seat 10 is bolted with the baffle 11, the first lead screw 9 is sleeved with a first thread sleeve 13, the first thread, and thus, other prior art related thereto will not be described in detail herein.

As shown in fig. 2, the printing mechanism 14 of the embodiment includes a connecting plate 15, a first thread bushing 13 is bolted to the connecting plate 15, a slider 16 is arranged on one side of the connecting plate 15, the slider 16 is slidably connected to a transverse guide rail 6, friction of the printing mechanism 14 in the horizontal direction displacement is reduced by arranging the transverse guide rail 6 and the slider 16, the service life is prolonged, a second servo motor 17 is arranged above the connecting plate 15, the second servo motor 17 is rotatably connected to a second lead screw 18, a second thread bushing 19 is sleeved on the second lead screw 18, one end of the second thread bushing 19 is bolted to a scraper 21 mounting frame 20, and a scraper 21 is arranged below the scraper 21 mounting frame 20.

As shown in fig. 3, the printed area 5 of the present embodiment includes a cushion pad 22, a printed circuit board 23 is disposed above the cushion pad 22, a through-hole screen 24 is disposed above the printed circuit board 23, and the cushion pad 22 is disposed so that the positioning board 4 is not easy to damage the printed circuit board 23 when the through-hole screen 24 and the printed circuit board 23 are positioned.

As shown in fig. 1, the bottom of the load-bearing cabinet 1 of the present embodiment is provided with anti-skid pads 25, the anti-skid pads 25 are made of hard rubber, the number of the anti-skid pads 25 is four, the anti-skid pads 25 are distributed at four corners of the bottom of the load-bearing cabinet 1, and the surface of the load-bearing cabinet 1 is provided with a control panel 26.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The utility model discloses the theory of operation: the utility model discloses a set up horizontal line guide rail 6 and slider 16 and reduced the frictional force of printing mechanism 14 when the horizontal direction displacement, increase of service life, it is accurate to make printing mechanism 14 fix a position when carrying out horizontal displacement through setting up servo motor 8 and lead screw 9, the solder joint is even when having guaranteed the printing, it is accurate at the ascending displacement location of vertical side to make scraper 21 through setting up servo motor two 17 and two 18 messenger's of lead screw, the printing quality is improved, make through-hole otter board 24 and printed circuit board 23 difficult emergence when the printing rock through setting up locating plate 4, can improve the degree of consistency and the quality of solder joint, make locating plate 4 difficult damage printed circuit board 23 when fixing a position through-hole otter board 24 and printed circuit board 23 through setting up blotter 22.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a through-hole tin cream printing device, includes bearing cabinet (1), its characterized in that: the bearing cabinet is characterized in that a shell (2) is arranged above the bearing cabinet (1), a supporting plate (3) is arranged at the bottom of the shell (2), a positioning plate (4) is welded above the supporting plate (3), the positioning plate (4) is symmetrically distributed on two sides of the supporting plate (3), a printing area (5) is arranged between the positioning plates (4), a transverse guide rail (6) is arranged above the printing area (5), a mounting hole (12) is formed in the transverse guide rail (6), a baffle (11) is arranged on one side of the transverse guide rail (6), a motor mounting plate (7) is arranged on the other side of the transverse guide rail (6), a servo motor I (8) is arranged on one side of the motor mounting plate (7), the servo motor I (8) is rotatably connected with a screw rod I (9), the tail end of the screw rod I (9) is rotatably connected with a bearing seat (10), and the, the screw rod I (9) is sleeved with a screw sleeve I (13), and the screw sleeve I (13) is connected with a printing mechanism (14) through a bolt.

2. The through-hole solder paste printing apparatus according to claim 1, wherein: the printing mechanism (14) comprises a connecting plate (15), the first threaded sleeve (13) is in bolt connection with the connecting plate (15), a sliding block (16) is arranged on one side of the connecting plate (15), and the sliding block (16) is in sliding connection with the transverse guide rail (6).

3. The through-hole solder paste printing apparatus according to claim 2, wherein: connecting plate (15) top is equipped with servo motor two (17), servo motor two (17) are rotated and are connected with lead screw two (18), the cover is equipped with thread bush two (19) on lead screw two (18), two (19) one end bolted connection of thread bush have scraper (21) mounting bracket (20), scraper (21) mounting bracket (20) below is equipped with scraper (21).

4. The through-hole solder paste printing apparatus according to claim 1, wherein: the printing area (5) comprises a cushion pad (22), a printed circuit board (23) is arranged above the cushion pad (22), and a through hole screen plate (24) is arranged above the printed circuit board (23).

5. The through-hole solder paste printing apparatus according to claim 1, wherein: the bearing cabinet (1) bottom is equipped with anti-skidding pad foot (25), the material of anti-skidding pad foot (25) is hard rubber, the quantity of anti-skidding pad foot (25) is four, anti-skidding pad foot (25) distribute in bearing cabinet (1) bottom four corners department.

6. The through-hole solder paste printing apparatus according to claim 1, wherein: the surface of the bearing cabinet (1) is provided with a control panel (26).