Circuit board printing equipment

Abstract

The invention discloses circuit board printing equipment, and belongs to the technical field of circuit board production and processing. Comprising a base and a conveying belt, the upper portion of the base is connected with a fixing frame, and one side of the fixing frame is connected with a painting device. The paint brushing device comprises an electric cylinder, a paint storage barrel, a connecting rod and a rubber rolling roller. One side of the electric cylinder is fixedly connected with the fixing frame, and one end of an output shaft of the electric cylinder is fixedly connected with the paint storage barrel. The upper end of the paint storage bucket is connected with the fixing frame in a sliding mode, and the two connecting rods are connected with the two sides of the paint storage bucket correspondingly. The interiors of the connecting rods are hollow, and the glue rolling roller is located between the two connecting rods and rotationally connected with the connecting rods. The upper portion of the base is connected with a containing table, a through groove is formed in the middle of the containing table, and the upper portion of the base is connected with a driving device. The problems that in an existing device, a circuit board is fragile in material, prone to being bent, inconvenient to brush paint and prone to being adhered with paint which is not dried are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of circuit board production and processing, and in particular relates to circuit board printing equipment. Background Art

[0002] A circuit board, also known as a printed circuit board, is an important electronic component. It is the support for electronic components and the carrier for electrical connections of electronic components. Since it is made using electronic printing technology, it is also called a printed circuit board. Almost every electronic device, from electronic watches and calculators to computers, communication electronic equipment and military weapon systems, requires circuit boards to make electrical interconnections between components. As long as there are electronic components such as integrated circuits, circuit boards are used. Circuit boards consist of an insulating base plate, connecting wires and pads for assembling and welding electronic components. They have the dual functions of a conductive line and an insulating base plate.

[0003] All circuit boards need to be painted. The purpose of painting is: 1. Prevent solder from sticking to the copper sheet where soldering is not required during the production process; 2. Prevent dust from falling on the circuit board and causing leakage or short circuit, and also prevent accidental objects from touching the circuit and causing short circuit failure; 3. Prevent copper sheet oxidation and extend the life of the circuit board. Since the material of the circuit board is relatively fragile and easy to bend, it is necessary to avoid excessive force when painting the circuit board, so many of them are still painted by hand; the paint on the circuit board is not dry after painting, and manual handling is easy to contact the wet paint, resulting in unqualified circuit board painting. Summary of the invention

[0004] In view of this, the object of the present invention is to provide a circuit board printing device to solve the problem that the circuit board material in the existing device is relatively fragile, easy to bend, inconvenient to paint, and easy to adhere to wet paint.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] The present invention provides a circuit board printing device, comprising a base and a conveyor belt, the upper part of the conveyor belt is connected with a guide plate, the upper part of the base is connected with a fixing frame, one side of the fixing frame is connected with a paint brushing device, the paint brushing device comprises: an electric cylinder, a paint storage bucket, a connecting rod and a rubber roller, one side of the electric cylinder is fixedly connected to the fixing frame, one end of the electric cylinder output shaft is fixedly connected to the paint storage bucket, the upper end of the paint storage bucket is slidably connected to the fixing frame, the connecting rod has two connecting rods respectively connected to the two sides of the paint storage bucket, the interior of the connecting rod is hollow, the rubber roller is located between the two connecting rods and is rotatably connected to the connecting rod, the upper part of the base is connected with a placing table, the middle part of the placing table is provided with a through groove, the upper part of the base is connected with a driving device, the driving device comprises: a connecting rod, a clamping joint, a push rod, a first fixed rod, a second fixed rod, a cam, a rotating shaft, a missing gear, a rack and a sliding rod, one end of the sliding rod The top end of the sliding panel also is provided with a toothed structure, and the bottom end of the sliding panel also is provided with a toothed structure that can be used for the toothed structure.

[0007] Furthermore, the card joint corresponds to the sliding groove, and the card joint can be slidably connected to the sliding groove. The card joint includes: a protrusion and a spring. The connecting rod is provided with a first groove, and the protrusion is slidably connected to the first groove. The spring is located between the protrusion and the first groove. A sliding groove is provided on the inner side of the sliding groove, and the protrusion can be slidably connected to the sliding groove.

[0008] Furthermore, a plurality of rolling rods are connected to both sides of the through slot.

[0009] Furthermore, a disturbance device is connected in the drying chamber, and the disturbance device includes: a cross bar, a roller, a motor, a first pulley, a second pulley, a third pulley, a fourth pulley and a rotating rod, the motor is fixedly connected to the lower portion of the drying chamber, the motor output shaft passes through the drying chamber and is rotatably connected to the drying chamber, the cross bar passes through the motor output shaft and is connected to the roller, the motor output shaft is fixedly connected to the first pulley, and the rotating rod has two respectively arranged on both sides of the drying chamber, the rotating rod is rotatably connected to the drying chamber, the second pulley is fixedly connected to the lower side of the rotating rod, a belt is connected between the first pulley and the second pulley, the rotating rod is fixedly connected to the cross bar, the cross bar is rotatably connected to the roller, the other rotating rod is fixedly connected to the third pulley, the motor output shaft is fixedly connected to the fourth pulley, and a belt is connected between the third pulley and the fourth pulley.

[0010] Furthermore, a second groove is provided at the upper portion of the drying chamber, and a plurality of the second grooves are provided and are located within the rotation range of the cross bar.

[0011] Furthermore, a slider is connected inside the drying chamber.

[0012] Furthermore, a sliding plate is connected inside the drying chamber.

[0013] Furthermore, a hot air blower is connected to the top of the drying chamber.

[0014] The beneficial effects of the present invention are:

[0015] The present invention provides a circuit board printing device, which drives the circuit board onto a rolling rod through a conveyor belt and is driven by the rolling rod so that the circuit board is located below a paint brushing device, and the paint brushing device paints the circuit board at this time; the driving device drives the circuit board into a drying chamber through an electric cylinder; because the circuit board cannot be touched because the paint is not dry after painting, the bottom of the circuit board is lifted up by the driving device and placed on a sliding plate, and the circuit board enters the drying chamber and is then disrupted by a disrupting device to prevent the circuit boards from overlapping; the disrupting device prevents the circuit boards from overlapping, and separates the circuit boards for easy drying of the circuit boards.

[0016] Other advantages, objectives and features of the present invention will be described in the following description and will be apparent to those skilled in the art to some extent, or those skilled in the art may be taught from the practice of the present invention. The objectives and other advantages of the present invention may be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the present invention provides the following drawings for illustration:

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a side view of the present invention;

[0020] Figure 3 This is an enlarged view of point A of the present invention;

[0021] Figure 4 It is a partial view of the cushion and other components of the present invention;

[0022] Figure 5 This is an enlarged view of B of the present invention;

[0023] Figure 6 It is a partial view of the placing table and other components of the present invention;

[0024] Figure 7 This is an enlarged view of position C of the present invention;

[0025] Figure 8 For the present invention Figure 6 Enlarged view at D in the middle;

[0026] Fig. 9 This is an enlarged view of point E of the present invention.

[0027] The markings in the attached drawings are as follows: 1, base; 2, conveyor belt; 3, guide plate; 4, fixed frame; 5, paint brush device; 51, electric cylinder; 52, paint bucket; 53, connecting rod; 54, rubber roller; 6, driving device; 61, connecting rod; 62, push rod; 63, sliding rod; 64, first fixed rod; 65, second fixed rod; 66, third fixed rod; 67, rotating shaft; 68, missing gear; 69, rack; 610, slide plate; 611, cam; 612, rotating rod; 613, clamping head; 6131, first groove; 6132, protrusion; 6133, spring; 7, baffle; 8, sliding groove; 9, disrupting device; 91, motor; 92, first pulley; 93, second pulley; 94, rotating rod; 95, fourth pulley; 96, third pulley; 97, cross bar; 98, roller; 10, second groove; 11, drying chamber; 12, hot air blower; 13, placing table; 14, through groove; 16, sliding plate; 17, rolling rod; 18, belt; 19, slider. DETAILED DESCRIPTION

[0028] like Figures 1 to 8 As shown, a circuit board printing device of the present invention comprises a base 1 and a conveyor belt 2, wherein a guide plate 3 is connected to the upper part of the conveyor belt 2 to move the circuit board in the direction of the guide plate 3. A fixing frame 4 is connected to the upper part of the base 1, and a painting device 5 for painting the circuit board is connected to one side of the fixing frame 4.

[0029] The paint brushing device 5 includes: an electric cylinder 51, a paint bucket 52, a connecting rod 53 and a rubber roller 54. One side of the electric cylinder 51 is fixedly connected to the fixed frame 4, and one end of the output shaft of the electric cylinder 51 is fixedly connected to the paint bucket 52, and the electric cylinder 51 drives the paint bucket 52 to move. The upper end of the paint bucket 52 is slidably connected to the fixed frame 4, so that the paint bucket 52 slides more smoothly and prevents the upper part of the paint bucket 52 from shaking. The connecting rod 53 has two connecting rods 53 connected to the two sides of the paint bucket 52 respectively, and the interior of the connecting rod 53 is hollow, so that the paint in the paint bucket 52 can flow into the connecting rod 53. The rubber roller 54 is located between the two connecting rods 53 and is rotatably connected to the connecting rod 53. The rubber roller 54 is used to paint the circuit board. The upper part of the base 1 is connected to a placing table 13, and a through groove 14 is opened in the middle of the placing table 13. A plurality of rolling rods 17 are connected to both sides of the through groove 14 to allow the circuit board to slide on the rolling rods 17.

[0030] The upper part of the base 1 is connected with a driving device 6 for driving the circuit board to move, and the driving device 6 includes: a connecting rod 61, a clamping joint 613, a push rod 62, a first fixed rod 64, a second fixed rod 65, a cam 611, a rotating shaft 67, a missing gear 68, a rack 69 and a sliding rod 63. One end of the sliding rod 63 is slidably connected to the lower side of the placement platform 13, and the other end of the sliding rod 63 is slidably connected to the push rod 62, so that the sliding rod 63 can limit the push rod 62 so that the push rod 62 can only move up and down. The upper end of the push rod 62 is located below the through groove 14, and a soft pad is connected to the upper end of the push rod 62 for placing the circuit board. A sliding groove 8 is opened on one side of the push rod 62, and one end of the connecting rod 61 is connected to the lower side of the connecting rod 53, so that the connecting rod 61 is driven to move when the connecting rod 53 moves. The other end of the connecting rod 61 is connected to the clamping joint 613, and the clamping joint 613 corresponds to the sliding groove 8, so that the clamping joint 613 can extend into the sliding groove 8 and be slidably connected with the sliding groove 8. One end of the first fixed rod 64 is slidably connected to the base 1, and one end of the rotating shaft 67 is rotatably connected to the first fixed rod 64. One end of the second fixed rod 65 is fixedly connected to the base 1, and the other end of the second fixed rod 65 is fixedly connected to the rack 69. The other end of the rack 69 has no teeth to avoid driving the gear to rotate. The rotating shaft 67 passes through the missing gear 68 and is fixedly connected to the missing gear 68. The missing gear 68 is meshed and connected with the rack 69, so that the missing gear 68 stops rotating when it rotates to the point where there are no teeth. One end of the rotating shaft 67 is fixedly connected to the cam 611, and the rotating shaft 67 drives the cam 611 to rotate. One side of the cam 611 is connected to a rotating rod 612, and the rotating rod 612 is rotatably connected to the push rod 62. When the cam 611 rotates, the push rod 62 is raised or lowered through the rotating rod 612. The upper part of the base 1 is connected to a third fixed rod 66, and a slide plate 610 is connected to the third fixed rod 66. The cam 611 slides on the upper side of the slide plate 610. One end of the slide plate 610 is connected with a baffle 7 for blocking the cam 611 and preventing the cam 611 from rotating out of the slide plate 610. One side of the placement table 13 is connected with a drying chamber 11 for drying the circuit board.

[0031] The working principle of the above scheme is as follows: the circuit board is placed on the conveyor belt 2, and the conveyor belt 2 drives the circuit board to move. The circuit board is arranged evenly by the guide plate 3 and moves toward the through groove 14. At this time, the circuit board slides onto the rolling rod 17, and the electric cylinder 51 drives the paint bucket 52 to move. At this time, the rubber roller 54 paints the upper side of the circuit board. The connecting rod 53 drives the connecting rod 61 to move, and the connecting rod 61 drives the card joint 613 to move so that the card joint 613 extends into the sliding groove 8 opened by the push rod 62 and slides in the sliding groove 8. At this time, the connecting rod 61 drives the push rod 62 to move, and when the push rod 62 moves, it drives the first fixed rod 64 to slide. At this time, the missing gear 68 is meshed with the rack 69, and the missing gear 68 is rotated. The missing gear 68 drives the cam 611 to rotate, and the rotation of the cam 611 causes the push rod 62 to rise through the rotating rod 612, and the push rod 62 drives the soft pad to rise to drive the circuit board to move upward. The electric cylinder 51 continuously drives the connecting rod 53 to move so that the connecting rod 61 continuously drives the circuit board to move. When the gear continues to rotate, the protruding end of the cam 611 drops to move the push rod 62 downward, and the push rod 62 places the circuit board at the end of the through slot 14. When the electric cylinder 51 drives the connecting rod 53 and other components to retract, the missing gear 68 contacts the end without teeth of the rack 69 first, and the missing gear 68 does not rotate, so that the push rod 62 moves smoothly. When the missing gear 68 contacts the rack 69, the push rod 62 first rises and then falls until it returns to its original position. The electric cylinder 51 drives the connecting rod 53 to continuously retract so that the push rod 62 continues to return to its original position. At this time, the cam 611 contacts the baffle 7, and the clamping part is forced to exit the sliding slot 8. When the push rod 62 moves toward the through slot 14 for the second time, the first circuit board is pushed into the drying chamber 11 and the drying chamber 11 dries the circuit board.

[0032] The beneficial effects of the above scheme are as follows: the circuit board is driven onto the rolling rod 17 by the conveyor belt 2 and driven by the rolling rod 17 so that the circuit board is located below the painting device 5, at which time the painting device 5 paints the circuit board; the driving device 6 drives the circuit board into the drying chamber 11 through the electric cylinder 51; because the circuit board cannot be touched because the paint is not dry just after painting, the bottom of the circuit board is lifted up by the driving device 6 and placed on the end of the through groove 14, and then the push rod 62 pushes the circuit board into the drying chamber 11 for drying.

[0033] In one embodiment of the present invention, Figures 8-9As shown, the clamping joint 613 corresponds to the sliding groove 8, and the clamping joint 613 can be slidably connected with the sliding groove 8. The clamping joint 613 includes: a protrusion 6132 and a spring 6133. The connecting rod 61 is provided with a first groove 6131, and the protrusion 6132 is slidably connected with the first groove 6131. ​​The end of the protrusion 6132 away from the first groove 6131 is in an arc shape. The protrusion 6132 can be extended and retracted in the first groove 6131. ​​The spring 6133 is located between the protrusion 6132 and the first groove 6131, so that the protrusion 6132 can be retracted and reset. A slide groove (not shown in the text) is provided on the inner side of the sliding groove 8, and the protrusion 6132 can be slidably connected with the slide groove.

[0034] The working principle of the above scheme is as follows: when the clamping joint 613 is inserted into the first groove 6131, the protrusion 6132 is forced to retract into the first groove 6131, and the clamping joint 613 enters the first groove 6131. ​​At this time, the clamping joint 613 continues to move, and the protrusion 6132 is inserted into the slide groove. At this time, the spring 6133 is no longer forced to drive the protrusion 6132 to rebound, and the protrusion 6132 can slide in the slide groove, so that the push rod 62 will not affect the connecting rod 61 when it moves up and down.

[0035] The beneficial effect of the above scheme is that the connecting rod 61 can drive the push rod 62 and other components to move by locking the clamping joint 613 into the sliding groove 8, and can be detached from the push rod 62 when there is no need to drive the push rod 62 to move.

[0036] In one embodiment of the present invention, Figures 4 to 7 As shown, the drying chamber 11 is connected with a disturbance device 9 for preventing the circuit boards from overlapping, and the disturbance device 9 includes: a cross bar 97, a roller 98, a motor 91, a first pulley 92, a second pulley 93, a third pulley 96, a fourth pulley 95 and a rotating rod 94.

[0037] The motor 91 is fixedly connected to the lower part of the drying chamber 11, the output shaft of the motor 91 passes through the drying chamber 11 and is rotatably connected to the drying chamber 11, the cross bar 97 passes through the output shaft of the motor 91 and is connected to the roller 98, and the motor 91 drives the cross bar 97 to rotate. The output shaft of the motor 91 is fixedly connected to the first pulley 92, and the motor 91 drives the first pulley 92 to rotate. There are two rotating rods 94, which are respectively arranged on both sides of the drying chamber 11, and the rotating rods 94 are rotatably connected to the drying chamber 11. The upper part of the drying chamber 11 is provided with a second groove 10, and the second grooves 10 have a plurality of grooves and are located within the rotation range of the cross bar 97. The second pulley 93 is fixedly connected to the lower side of the rotating rod 94, and a belt 18 is connected between the first pulley 92 and the second pulley 93, and the first pulley 92 drives the second pulley 93 to rotate through the belt 18. The rotating rod 94 is fixedly connected to the cross bar 97, and the rotating rod 94 rotates to drive the cross bar 97 to rotate. The cross bar 97 is rotatably connected to the roller 98. The cross bar 97 rotates to drive the roller 98 to rotate. The outer side of the roller 98 can be made of rubber material to facilitate the movement of the circuit board. Another rotating rod 94 is fixedly connected to the third pulley 96. The output shaft of the motor 91 is fixedly connected to the fourth pulley 95. A belt 18 is connected between the third pulley 96 and the fourth pulley 95. The fourth pulley 95 rotates through the belt 18 to drive the third pulley 96 to rotate. A plurality of sliders 19 are connected inside the drying chamber 11 to facilitate the movement of the circuit board in the drying chamber 11 to prevent the circuit boards from being stacked and overlapped. A sliding plate 16 is connected inside the drying chamber 11 to allow the circuit board to slide onto the disrupting device 9. A hot air blower 12 is connected to the top of the drying chamber 11 to dry the circuit board.

[0038] The working principle of the above scheme is as follows: the motor 91 is started to drive the first pulley 92 to rotate, and the first pulley 92 drives the second pulley 93 to rotate through the belt 18. The second pulley 93 drives the rotating rod 94 to rotate, and the rotating rod 94 drives the cross bar 97 and the roller 98 to rotate so that the circuit boards are randomly transferred to the drying chamber 11. The output shaft of the motor 91 drives the fourth pulley 95 to rotate, and the fourth pulley 95 drives the third pulley 96 to drive the rotating rod 94 to rotate through the belt 18, and the rotating rod 94 drives the cross bar 97 and the roller 98 to rotate.

[0039] The beneficial effects of the above scheme are as follows: the disrupting device 9 disrupts the circuit boards to prevent them from overlapping; the disrupting device 9 prevents the circuit boards from overlapping and separates the circuit boards for easy drying; a motor 91 drives multiple cross bars 97 and rollers 98 to disrupt the circuit boards, thereby reducing material costs.

[0040] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A circuit board printing device, characterized in that: The invention comprises a base (1) and a conveyor belt (2), wherein the upper part of the conveyor belt (2) is connected to a guide plate (3), the upper part of the base (1) is connected to a fixed frame (4), one side of the fixed frame (4) is connected to a paint brushing device (5), and the paint brushing device (5) comprises: an electric cylinder (51), a paint storage bucket (52), a connecting rod (53) and a rubber roller (54), one side of the electric cylinder (51) is fixedly connected to the fixed frame (4), one end of the output shaft of the electric cylinder (51) is fixedly connected to the paint storage bucket (52), the upper end of the paint storage bucket (52) is slidably connected to the fixed frame (4), the connecting rod (53) has two ends respectively connected to the two sides of the paint storage bucket (52), and the connecting rod (53) is connected to the two sides of the paint storage bucket (52). The rod (53) is hollow inside, the rubber roller (54) is located between the two connecting rods (53) and is rotatably connected to the connecting rods (53), the upper part of the base (1) is connected to a placement table (13), the middle part of the placement table (13) is provided with a through groove (14), the upper part of the base (1) is connected to a driving device (6), the driving device (6) comprises: a connecting rod (61), a clamping joint (613), a push rod (62), a first fixed rod (64), a second fixed rod (65), a cam (611), a rotating shaft (67), a missing gear (68), a rack (69) and a sliding rod (63), one end of the sliding rod (63) is connected to the placement table (1 3) is slidably connected to the lower side, the other end of the sliding rod (63) is slidably connected to the push rod (62), the upper end of the push rod (62) is located below the through groove (14), a sliding groove (8) is provided on one side of the push rod (62), one end of the connecting rod (61) is connected to the lower side of the connecting rod (53), the other end of the connecting rod (61) is connected to the clamping joint (613), the clamping joint (613) corresponds to the sliding groove (8), one end of the first fixing rod (64) is slidably connected to the base (1), one end of the rotating shaft (67) is rotatably connected to the first fixing rod (64), one end of the second fixing rod (65) is fixedly connected to the base (1), and the second fixing The other end of the rod (65) is fixedly connected to the rack (69), the rotating shaft (67) passes through the missing gear (68) and is fixedly connected to the missing gear (68), the missing gear (68) is meshed with the rack (69), one end of the rotating shaft (67) is fixedly connected to the cam (611), one side of the cam (611) is connected to a rotating rod (612), the rotating rod (612) is rotatably connected to the push rod (62), the upper part of the base (1) is connected to a third fixed rod (66), the third fixed plate is connected to a slide plate (610), one end of the slide plate (610) is connected to a baffle (7), and one side of the placement table (13) is connected to a drying chamber (11).

2. A circuit board printing device according to claim 1, characterized in that: The card joint (613) corresponds to the sliding groove (8), and the card joint (613) can be slidably connected to the sliding groove (8). The card joint (613) includes: a protrusion (6132) and a spring (6133). The connecting rod (61) is provided with a first groove (6131), and the protrusion (6132) is slidably connected to the first groove (6131). The spring (6133) is located between the protrusion (6132) and the first groove (6131). A sliding groove is provided on the inner side of the sliding groove (8), and the protrusion (6132) can be slidably connected to the sliding groove.

3. A circuit board printing device according to claim 1, characterized in that: A plurality of rolling rods (17) are connected to both sides of the through slot (14).

4. A circuit board printing device according to claim 1, characterized in that: The drying chamber (11) is connected to a disturbance device (9), and the disturbance device (9) comprises: a cross bar (97), a roller (98), a motor (91), a first pulley (92), a second pulley (93), a third pulley (96), a fourth pulley (95) and a rotating rod (94). The motor (91) is fixedly connected to the lower part of the drying chamber (11). The output shaft of the motor (91) passes through the drying chamber (11) and is rotatably connected to the drying chamber (11). The cross bar (97) passes through the output shaft of the motor (91) and is connected to the roller (98). The output shaft of the motor (91) is fixedly connected to the first pulley (92). The rotating rod (94) 4) There are two respectively arranged on both sides of the drying chamber (11), the rotating rod (94) is rotatably connected to the drying chamber (11), the second pulley (93) is fixedly connected to the lower side of the rotating rod (94), a belt (18) is connected between the first pulley (92) and the second pulley (93), the rotating rod (94) is fixedly connected to the cross bar (97), the cross bar (97) is rotatably connected to the roller (98), the other rotating rod (94) is fixedly connected to the third pulley (96), the output shaft of the motor (91) is fixedly connected to the fourth pulley (95), and a belt (18) is connected between the third pulley (96) and the fourth pulley (95).

5. A circuit board printing device according to claim 4, characterized in that: The drying chamber (11) is provided with a second groove (10) at the upper part thereof. There are a plurality of second grooves (10) and the second grooves (10) are located within the rotation range of the cross bar (97).

6. A circuit board printing device according to claim 1, characterized in that: A sliding block (19) is connected inside the drying chamber (11).

7. A circuit board printing device according to claim 1, characterized in that: A sliding plate (16) is connected inside the drying chamber (11).

8. A circuit board printing device according to claim 1, characterized in that: The top of the drying chamber (11) is connected to a hot air blower (12).

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