CN216330749U

CN216330749U - Semi-automatic circuit board printing machine

Info

Publication number: CN216330749U
Application number: CN202122471839.1U
Authority: CN
Inventors: 张进德; 林港又
Original assignee: Foshan Shunde Guobang Electronics Co ltd
Current assignee: Foshan Shunde Guobang Electronics Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-19
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a semi-automatic circuit board printer, comprising: the workbench is provided with a printing station and a waiting station which are arranged adjacently; the supporting frame is connected to the top surface of the workbench; the printing mechanism is connected to the support frame, and the printing mechanism and the printing station are arranged opposite to each other; the dust removal mechanism comprises a driving assembly and a brush assembly, the driving assembly drives the brush assembly to reciprocate between a printing station and a waiting station, and intervals are arranged among the top of the brush assembly, the top of the driving assembly and the printing mechanism. The motion of brush subassembly is restricted by drive assembly, prevents that brush subassembly from bumping printing mechanism at the in-process mistake of motion, does not influence subsequent printing.

Description

Semi-automatic circuit board printing machine

Technical Field

The utility model relates to the technical field of printing equipment, in particular to a semi-automatic circuit board printing machine.

Background

The screen printer is a device for printing solder paste or adhesive paste through a screen onto a PCB pad. Chinese patent with publication number CN108724919B discloses a circuit board printing machine, which comprises a worktable, a lifting frame arranged on the worktable, and a screen printing plate arranged on the lifting frame, wherein the screen printing plate comprises a mounting frame mounted on the lifting frame, a screen frame arranged in the mounting frame, and a screen mesh arranged in the screen frame, the mounting frame is provided with an adjusting device for adjusting the position of the screen frame, and the screen frame is provided with an aligning device which is matched with the worktable so as to align the screen printing plate to a circuit board. The circuit board printing machine has the advantage of improving the printing precision of the circuit board.

During printing, the circuit board is conveyed one by one mainly by workers, after the circuit board is placed on a workbench by the workers, the dust removal brush needs to be held by hands to perform dust removal operation on the printing surface of the circuit board, and when the dust removal brush held by the workers removes dust from the circuit board below a silk screen, the dust removal brush may mistakenly touch the silk screen, so that the surface of the silk screen is bent or cracks appear, and subsequent printing is influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: a semi-automatic circuit board printer is provided to solve one or more of the technical problems of the prior art and to provide at least one useful alternative or creation.

The solution of the utility model for solving the technical problem is as follows:

a semi-automatic circuit board printer comprising: the workbench is provided with a printing station and a waiting station which are arranged adjacently; the supporting frame is connected to the top surface of the workbench; the printing mechanism is connected to the support frame, and the printing mechanism and the printing station are arranged opposite to each other; the dust removal mechanism comprises a driving assembly and a brush assembly, the driving assembly drives the brush assembly to reciprocate between the printing stations and the waiting stations, and a distance is arranged between the top of the brush assembly, the top of the driving assembly and the printing mechanism.

Before printing of the printing mechanism, under the driving of the driving assembly, the brush assembly brushes dust on the circuit board placed on the workbench, so that dust adhered to the printing surface of the circuit board is removed; and the top of the hairbrush assembly, the top of the driving assembly and the printing mechanism are provided with intervals, the movement of the hairbrush assembly is limited by the driving assembly, and the hairbrush assembly is prevented from mistakenly touching the printing mechanism in the movement process.

As a further improvement of the above technical solution, the driving assembly includes: the screw rod is horizontally arranged, is rotatably connected to the workbench and is positioned on the outer side of the printing mechanism; the guide rod is horizontally arranged and connected to the workbench, the guide rod and the screw rod are parallel to each other, and the guide rod is positioned on the outer side of the printing mechanism; the connecting plate, connecting plate threaded connection in the screw rod, the guide bar slides and wears to locate the connecting plate, the brush subassembly connect in the connecting plate portion, the connecting plate with be equipped with the interval between the printing mechanism.

The screw rod is matched with the guide rod to enable the connecting plate to move along the length direction of the screw rod, so that the brush assembly is driven to perform dust removal operation on the circuit board, and the movement direction of the brush assembly is effectively limited; because the screw rod and the guide rod are both positioned at the outer side of the printing mechanism, the positions of the screw rod and the guide rod do not influence the normal work of the printing mechanism.

As a further improvement of the above technical solution, the brush assembly includes: the brush disc is rotationally connected to the connecting plate, and the rotating axis of the brush disc is vertically arranged; the plurality of brush strips are connected to the side wall, far away from the connecting plate, of the brush disc at intervals; the servo motor is connected to the connecting plate and drives the brush disc to rotate.

The servo motor drives the brush disc and the brush strip to rotate, and the brush strip can rotate along with the brush disc and can also move along with the connecting plate in the horizontal direction, so that the brush strip can perform dust removal operation on the circuit board at multiple angles.

As a further improvement of the technical scheme, the connecting plate is connected with a dust removal brush, a space is arranged between the brush component and the brush strip, and the dust removal brush can move to the printing station and the waiting station.

Because the brush strip removes dust to the circuit board with the pivoted mode, the dust of sweeping away from the circuit board moves along the tangential direction of brush dish pivoted, adds the dust removal brush, and the dust removal brush can further improve the effect of removing dust.

As a further improvement of the technical scheme, the workbench is also provided with a cleaning station, the printing station and the waiting station are sequentially arranged, the brush assembly and the dust removing brush can move to the cleaning station, the cleaning station is provided with a cleaning port, and a dust collection box communicated with the cleaning port is arranged in the workbench.

The dust removal brush cleans dust to the cleaning opening in a unified manner and drops into the dust collection box, so that secondary pollution of the circuit board by the dust is prevented.

As the further improvement of the above technical scheme, the workstation is connected with two stop gear, two stop gear is each to setting up, stop gear includes: the lifting piece is connected to the workbench; the lifting piece drives the limiting plate to move up and down, so that the limiting plate extends into or retracts into the printing station.

When the workman placed the circuit board on the printing station, through the unable accurate alignment with circuit board and printing mechanism of naked eye, consequently add the limiting plate that can follow up-and-down direction motion, inject the position of circuit board through two limiting plates, make the circuit board aim at printing mechanism, make the effect of printing better.

As a further improvement of above-mentioned technical scheme, stop gear still includes the mounting panel, the limiting plate passes through the mounting panel with the lifter is connected, the mounting panel can stretch out or income the printing station, the mounting panel is the level setting, the top surface of mounting panel is provided with first scale and second scale respectively along its length is square and width direction, limiting plate sliding connection in the mounting panel, the limiting plate with be connected with the bolt between the mounting panel.

Through first scale and second scale on the mounting panel, infer the interval between two limiting plates, make its and circuit board adaptation, guarantee that the circuit board aims at printing mechanism, make the effect of printing better.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is a schematic view of the overall structure of a semi-automatic circuit board printing machine of the present invention;

FIG. 2 is a top view of the semi-automatic circuit board printer of the present invention;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 4 is an enlarged partial schematic view of portion B of FIG. 1;

FIG. 5 is a cross-sectional view of a semi-automatic circuit board printer of the present invention;

fig. 6 is a partially enlarged schematic view of a portion C in fig. 5.

In the figure, 1, a workbench; 11. waiting for a station; 12. a printing station; 13. cleaning the station; 131. cleaning the opening; 14. a dust collection box; 15. a spring; 16. rotating the rod; 2. a support frame; 21. a printing mechanism; 3. a drive assembly; 31. a screw; 32. a guide bar; 33. a connecting plate; 4. a brush assembly; 41. a brush plate; 42. a brush bar; 43. a servo motor; 44. a rotating shaft; 45. a driving wheel; 46. a driving wheel; 47. a belt; 5. a dust removal brush; 6. a limiting mechanism; 61. a lifting member; 62. a limiting plate; 63. mounting a plate; 631. a slot; 64. and (4) bolts.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 6, a semi-automatic circuit board printer of the present invention makes the following embodiments:

a semi-automatic circuit board printing machine comprises a workbench 1, a support frame 2 and a printing mechanism 21, wherein the workbench 1 is provided with a printing station 12 and a waiting station 11 which are adjacently arranged, and specifically, the printing station 12 and the waiting station 11 are sequentially arranged along the length direction of the workbench 1; the supporting frame 2 is connected to the top surface of the workbench 1; the printing mechanism 21 is connected to the support frame 2, the printing mechanism 21 and the printing station 12 are arranged opposite to each other, specifically, the printing mechanism 21 is an existing screen printing mechanism, and the projection area of the support frame 2 projected on the workbench 1 is larger than the area of the printing mechanism 21 projected on the workbench 1, so that the support frame 2 is ensured not to influence the movement of the printing mechanism 21.

Still include dust removal mechanism, dust removal mechanism includes drive assembly 3 and brush subassembly 4, and drive assembly 3 drive brush subassembly 4 is at printing station 12 and wait for reciprocating motion between the station 11, all is equipped with the interval between the top of brush subassembly 4, drive assembly 3's top and the printing mechanism 21.

The driving assembly 3 comprises a screw 31, a guide rod 32 and a connecting plate 33, the screw 31 is horizontally arranged along the length direction of the workbench 1, the screw 31 is rotatably connected to the workbench 1 through two first mounting lug plates, the screw 31 is positioned on the outer side of the printing mechanism 21, and when the screw 31 rotates, the position between the screw 31 and the first mounting lug plates is not changed; the guide rod 32 is horizontally arranged, the guide rod 32 is connected to the workbench 1 through two second mounting lug plates, the guide rod 32 and the screw 31 are parallel to each other, and the guide rod 32 is positioned on the outer side of the printing mechanism 21 but on the inner side of the support frame 2; the connecting plate 33 is in threaded connection with the screw rod 31, the guide rod 32 penetrates through the connecting plate 33 in a sliding mode, the brush assembly 4 is connected to the connecting plate 33, a space is reserved between the connecting plate 33 and the printing mechanism 21, and when the connecting plate 33 moves along the length direction of the workbench 1, the printing mechanism 21 and the support frame 2 do not affect the movement of the connecting plate 33.

The brush assembly 4 comprises a brush disc 41, a brush strip 42 and a servo motor 43, the brush disc 41 is rotatably connected to the connecting plate 33 through a rotating shaft 44, and the rotating axis of the brush disc 41 is vertically arranged; the plurality of brush strips 42 are arranged, and the plurality of brush strips 42 are connected to the side wall, away from the connecting plate 33, of the brush disc 41 at intervals; servo motor 43 is connected in connecting plate 33, servo motor 43 drive brush dish 41 rotates, it is concrete, brush dish 41 can set up a plurality ofly, be equipped with the interval between two adjacent brush dishes 41, it is corresponding, increase the pivot 44 that quantity and brush dish 41 are the same, the one end that brush dish 41 was kept away from to pivot 44 is connected with drive wheel 45, the cover is equipped with belt 47 between two drive wheels 45, servo motor 43's output shaft has action wheel 46, action wheel 46 and belt 47 cooperation are used, namely, servo motor 43 drives the back, action wheel 46 rotates, under the transmission of driven wheel and belt 47, two brush dishes 41 can take place to rotate.

The connecting plate 33 is connected with a dust removing brush 5, the dust removing brush 5 is arranged along the length direction of the connecting plate 33, the dust removing brush 5 is positioned behind the brush component 4, a space is arranged between the brush component 4 and the brush strip 42, and the dust removing brush 5 can move to the printing station 12 and the waiting station 11.

The workbench 1 is also provided with a cleaning station 13, the cleaning station 13, a printing station 12 and a waiting station 11 are sequentially arranged, the brush component 4 and the dust removing brush 5 can move to the cleaning station 13, the cleaning station 13 is provided with a cleaning opening 131, a dust collection box 14 communicated with the cleaning opening 131 is arranged in the workbench 1, specifically, one side wall of the workbench 1 is provided with a dust collection groove, the top of the dust collection groove extends to the cleaning opening 131, the dust collection box 14 is connected to the dust collection groove in a sliding manner along the horizontal direction, a horizontally arranged spring 15 is connected in the workbench 1, the spring 15 is abutted against the side wall of the dust collection box 14, the spring 15 can push the dust collection box 14 out of the workbench 1, one side wall of the workbench 1 for pushing out the dust collection box 14 is rotatably connected with a rotating rod 16, the rotating rod 16 is rotated to enable the rotating rod 16 to abut against the side wall of the workbench 1 or the side wall of the dust collection box 14, when the rotating rod 16 abuts against the side wall of the dust collection box 14, the dust box 14 is under the cleaning opening 131, the spring 15 is compressed, when the rotating rod 16 is pressed against the side wall of the workbench 1, the dust box 14 is not limited by the position of the rotating rod 16, and the spring 15 is expanded to push the dust box 14 out of the workbench 1.

The workbench 1 is connected with two limiting mechanisms 6, the two limiting mechanisms 6 are arranged opposite to each other, each limiting mechanism 6 comprises a lifting piece 61 and a limiting plate 62, the lifting piece 61 is connected to the workbench 1, and the lifting piece 61 is specifically an air cylinder; the lifting piece 61 drives the limiting plate 62 to move in the up-down direction, and the limiting plate 62 extends into or is received in the printing station 12, specifically, the limiting plate 62 is horizontally arranged, and the transverse section of the limiting plate 62 is in a T shape.

The limiting mechanism 6 further comprises a mounting plate 63, the limiting plate 62 is connected with the lifting piece 61 through the mounting plate 63, the mounting plate 63 can extend out or be received into the printing station 12, the mounting plate 63 is horizontally arranged, the top surface of the mounting plate 63 is respectively provided with a first scale and a second scale along the length direction and the width direction, the limiting plate 62 is connected with the mounting plate 63 in a sliding manner, a bolt 64 is connected between the limiting plate 62 and the mounting plate 63, concretely, the mounting plate 63 is transparent, the mounting plate 63 is arranged along the length direction of the workbench 1, the top surface of the mounting plate 63 is provided with a slot 631 along the length direction, the slot 631 is arranged along the length direction of the mounting plate 63, the bottom of the limiting plate 62 is connected with a bulge extending into the slot 631, the position of the limiting plate 62 extending into the slot 631 is judged according to the first scale and the second scale, the distance between the two limiting plates 62 is deduced, thereby adapting to the size of the circuit board, two adjacent right angles of the circuit board are clamped on the corners of the two limit plates 62.

When the semi-automatic circuit board printing machine is used, the relative position between the limiting plates 62 and the mounting plate 63 is adjusted according to the size of a circuit board, the two limiting plates 62 are matched with the circuit board, the mounting plate 63 and the limiting plates 62 are lifted to the position higher than the printing station 12 through the lifting piece 61, then the circuit board is placed between the two limiting plates 62, the brush assembly 4 and the dust removing brush 5 are driven by the driving assembly 3 to move from the waiting station 11 to the printing station 12 and finally to the cleaning station 13, so that the surface of the circuit board to be printed is subjected to dust removal operation, and dust can fall into the dust collection box 14 through the cleaning port 131.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. A semi-automatic circuit board printer comprising:

the device comprises a workbench (1), wherein the workbench (1) is provided with a printing station (12) and a waiting station (11) which are arranged adjacently;

the supporting frame (2), the said supporting frame (2) links to the top surface of the said work level (1);

the printing mechanism (21) is connected to the support frame (2), and the printing mechanism (21) and the printing station (12) are arranged opposite to each other;

dust removal mechanism, dust removal mechanism includes drive assembly (3) and brush subassembly (4), drive assembly (3) drive brush subassembly (4) are in print station (12) with wait for reciprocating motion between station (11), the top of brush subassembly (4 the top of drive assembly (3) with all be equipped with the interval between printing mechanism (21).

2. A semi-automatic circuit board printer according to claim 1, characterized in that said driving assembly (3) comprises:

the screw rod (31), the screw rod (31) is set up horizontally, the screw rod (31) rotates and connects to the said work level (1), the said screw rod (31) locates at the outside of the said printing mechanism (21);

the guide rod (32) is horizontally arranged, the guide rod (32) is connected to the workbench (1), the guide rod (32) and the screw rod (31) are parallel to each other, and the guide rod (32) is positioned on the outer side of the printing mechanism (21);

connecting plate (33), connecting plate (33) threaded connection in screw rod (31), guide bar (32) slide and wear to locate connecting plate (33), brush subassembly (4) connect in connecting plate (33), connecting plate (33) with be equipped with the interval between printing mechanism (21).

3. A semi-automatic circuit board printer according to claim 2, characterized in that the brush assembly (4) comprises:

the brush disc (41), the brush disc (41) is rotatably connected to the connecting plate (33), and the rotating axis of the brush disc (41) is vertically arranged;

the brush strips (42) are arranged, a plurality of brush strips (42) are arranged, and the plurality of brush strips (42) are connected to the side wall, away from the connecting plate (33), of the brush disc (41) at intervals;

the servo motor (43), servo motor (43) connect in connecting plate (33), servo motor (43) drive brush dish (41) rotate.

4. A semi-automatic circuit board printing machine according to claim 3, characterized in that a dust-removing brush (5) is connected to the connection plate (33), a space is provided between the brush assembly (4) and the brush bar (42), and the dust-removing brush (5) is movable to the printing station (12) and the waiting station (11).

5. A semi-automatic circuit board printing machine according to claim 4, characterized in that the working table (1) further has a cleaning station (13), the printing station (12) and the waiting station (11) are arranged in sequence, the brush assembly (4) and the dust removing brush (5) are movable to the cleaning station (13), the cleaning station (13) is provided with a cleaning opening (131), and a dust collection box (14) communicated with the cleaning opening (131) is arranged in the working table (1).

6. A semiautomatic circuit-board printing machine as claimed in claim 1, wherein said table (1) is connected with two limiting mechanisms (6), said two limiting mechanisms (6) being arranged opposite to each other, said limiting mechanisms (6) comprising:

a lifting member (61), the lifting member (61) being connected to the table (1);

the lifting piece (61) drives the limiting plate (62) to move in the vertical direction, and the limiting plate (62) extends into or is accommodated in the printing station (12).

7. The semi-automatic circuit board printing machine of claim 6, characterized in that, stop gear (6) still includes mounting panel (63), limiting plate (62) pass through mounting panel (63) with lifter (61) is connected, mounting panel (63) can stretch out or income printing station (12), mounting panel (63) are the horizontal setting, the top surface of mounting panel (63) is provided with first scale and second scale respectively along its length square and width direction, limiting plate (62) sliding connection in mounting panel (63), limiting plate (62) with be connected with bolt (64) between mounting panel (63).