Circuit board dispensing device

Abstract

The utility model belongs to the technical field of circuit board dispensing, and particularly relates to a circuit board dispensing device which comprises two supporting plates. L-shaped plates are fixedly connected to the two supporting plates, a fixing plate is fixedly connected to the two L-shaped plates in a matched mode, a pneumatic cylinder is installed on the fixing plate, a pneumatic rod is assembled at the acting end of the pneumatic cylinder, a glue outlet head is fixedly connected to the bottom end of the pneumatic rod, a push plate is fixedly connected to the glue outlet head, and a vertical plate is fixedly connected to one side of the bottom of the fixing plate. A fixed seat is mounted on the vertical plate, a swinging scraping plate is rotatably mounted in the fixed seat in a matched manner through a pin shaft, a spring is fixedly connected between the swinging scraping plate and the vertical plate, a collecting box is fixedly connected to the other side of the bottom of the fixed plate, and a rectangular feeding hole is formed in one side of the collecting box; when the device is used, the glue outlet head can be prevented from being blocked, meanwhile, the situations of glue leakage, glue overflowing and the like can be avoided, excessive glue materials are prevented from being left on the surface of the circuit board, and therefore the conductive effect of the circuit board can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board glue dispensing, in particular to a circuit board glue dispensing device. Background Art

[0002] A circuit board is a printed circuit board used to achieve circuit connection and component configuration. It is usually composed of multiple layers of conductive materials. During the circuit board production process, a dispensing device is required to coat the circuit board with glue.

[0003] A Chinese patent with announcement number CN113663877B discloses a glue dispensing device for PCB circuit board processing, including a substrate carrying mechanism for fixing the circuit substrate before the glue dispensing operation, and reciprocatingly swinging the circuit substrate to uniformize the colloid when the glue dispensing is completed; a glue application mechanism is arranged above the substrate carrying mechanism, and is used to perform glue dispensing on the patch position on the circuit substrate; the present invention reciprocates the PCB circuit board after the glue dispensing is completed, so that the glue dispensing colloid is dispersed into a thin layer by the swinging action, the coverage range of the dot-shaped colloid is expanded, and it plays a fixing role during the patch but does not wrap the components, does not affect the heat dissipation of the components of the PCB circuit board when the PCB circuit board is in use, and improves the processing quality of the PCB circuit board.

[0004] In the prior art, when dispensing glue on a circuit board, glue leakage and glue overflow are prone to occur, resulting in excessive glue remaining on the board surface of the circuit board, thereby affecting the conductive effect of the circuit board; therefore, a circuit board dispensing device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised by the above-mentioned background technology, the utility model provides a circuit board glue dispensing device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a circuit board dispensing device described in the utility model comprises two support plates; L-shaped plates are fixedly connected to the two support plates, and the two L-shaped plates are fixedly connected to a fixing plate in cooperation, a pneumatic cylinder is installed on the fixing plate, and the action end of the pneumatic cylinder is equipped with a pneumatic rod, the bottom end of the pneumatic rod is fixedly connected to a glue outlet, and the glue outlet is fixedly connected to a push plate, a vertical plate is fixedly connected to one side of the bottom of the fixing plate, a fixing seat is installed on the vertical plate, a swing scraper is rotatably installed in the fixing seat through a pin shaft, a spring is fixedly connected between the swing scraper and the vertical plate, a collecting box is fixedly connected to the other side of the bottom of the fixing plate, a rectangular feed port is opened on one side of the collecting box, a hard material guide pipe is fixedly connected to the port of the rectangular feed port, and the hard material guide pipe A dust hood is fixedly connected to the other end of the tube, and a slag discharge port is opened on the other side of the collecting box. A sealing cover plate is movably installed in the slag discharge port. During the process of dispensing glue to the circuit board, the pneumatic cylinder is started to make the glue discharge head move vertically downward, and the spring is compressed so that the push plate pushes the swinging scraper to move, and the opening of the glue discharge head is opened, so that the surface of the circuit board can be glued. After the glue dispensing is completed, the pneumatic cylinder is operated to make the glue discharge head move vertically upward, and the swinging scraper gradually rebounds and resets through the action of the spring. Under the action of the swinging scraper, the residual glue on the glue discharge head can be scraped off and the glue discharge head can be re-sealed, thereby preventing the glue discharge head from being blocked, and at the same time avoiding the occurrence of glue leakage, glue overflow, etc., and avoiding excessive glue residue on the board surface of the circuit board, thereby ensuring the conductive effect of the circuit board.

[0007] Preferably, fixed fan blades are installed on both sides of the port of the dust hood, two rotating rollers are installed between the two fixed fan blades for cooperation and rotation, and a conveyor belt is installed on the outer surfaces of the two rotating rollers for cooperation and rotation, a first motor is installed on one of the fixed fan blades, and the output end of the first motor is connected to the end of one of the rotating rollers, and a negative pressure pump is equipped on the collecting box, the input port of the negative pressure pump is connected to an exhaust pipe, and the other port of the exhaust pipe is arranged in the collecting box, and the output port of the negative pressure pump is connected to an exhaust pipe, when the scraped residual rubber material is cleaned and collected, the first motor is started to rotate the conveyor belt, so that the scraped residual rubber material can be transported to the port of the dust hood through the conveyor belt, and the negative pressure pump is started at the same time, so that the exhaust pipe draws out the gas in the collecting box and discharges it through the exhaust pipe, so that the inside of the collecting box is in a negative pressure state, so that the rubber material on the conveyor belt can be sucked into the dust hood, and then transported to the collecting box through the hard material guide pipe, so that the scraped rubber material can be cleaned and collected in time, thereby ensuring the subsequent gluing effect on the circuit board surface.

[0008] Preferably, an arc-shaped filter plate is fixedly connected to the collection box, and the arc-shaped filter plate is arranged around the port of the exhaust pipe. When the device is used, the port of the exhaust pipe can be protected by arranging the arc-shaped filter plate, thereby avoiding blockage of the port of the exhaust pipe.

[0009] Preferably, a glue storage box is installed on the fixed plate, and a delivery pump is installed on the glue storage box. A glue outlet hole is opened on the glue storage box, and a delivery pipe is fixedly connected to the port of the glue outlet hole, and the other end of the delivery pipe is fixedly connected to the glue outlet head. When gluing the circuit board surface, the delivery pump is started to make the glue in the glue storage box flow into the glue outlet head through the delivery pipe, so that the circuit board surface can be glued.

[0010] Preferably, a glue inlet hole is provided on the glue storage box, a glue inlet pipe is fixedly connected to the end of the glue inlet hole, and a one-way valve is installed on the glue inlet pipe. When the device is used, the glue inlet pipe is provided to facilitate adding glue into the glue storage box.

[0011] Preferably, a plurality of conveying rollers are rotatably installed between the two support plates via a rotating shaft, and a conveyor belt is provided on the outer surfaces of the plurality of conveying rollers. A second motor is installed on one support plate, and an output end of the second motor is connected to one end of the rotating shaft located at the end. When the circuit board is conveyed, starting the second motor can enable the conveyor belt to automatically convey the circuit board.

[0012] The utility model is beneficial in that:

[0013] 1. In the process of dispensing glue on the circuit board, the utility model starts the pneumatic cylinder to make the glue head move vertically downward, the spring is compressed, the push plate pushes the swing scraper to move, and the opening of the glue head is opened, so that the surface of the circuit board can be glued. After the glue dispensing is completed, the pneumatic cylinder is operated to make the glue head move vertically upward, and the swing scraper gradually rebounds and resets under the action of the spring. Under the action of the swing scraper, the residual glue on the glue head can be scraped off, and the glue head can be sealed again, so as to prevent the glue head from being blocked, and at the same time, it can avoid the occurrence of glue leakage, glue overflow, etc., and avoid excessive glue remaining on the board surface of the circuit board, so as to ensure the conductive effect of the circuit board;

[0014] 2. When the utility model cleans and collects the scraped residual rubber material, the first motor is started to transport the scraped residual rubber material to the port of the dust hood through the conveyor belt, and the negative pressure pump is started at the same time to make the interior of the collection box a negative pressure state, so that the rubber material on the conveyor belt can be sucked into the dust hood, and then transported to the collection box through the hard material guide pipe, so that the scraped rubber material can be cleaned and collected in time, thereby ensuring the subsequent gluing effect on the circuit board surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall side-view three-dimensional structure;

[0017] Figure 2 It is a schematic diagram of a partial side-view three-dimensional structure;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the dispensing mechanism;

[0019] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the collection box;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the dust hood assembly.

[0021] In the figure: 1. support plate; 2. L-shaped plate; 3. fixed plate; 4. pneumatic cylinder; 5. pneumatic rod; 6. glue head; 7. push plate; 8. vertical plate; 9. fixed seat; 10. swing scraper; 11. spring; 12. collection box; 13. hard material guide pipe; 14. dust hood; 15. fixed fan blade plate; 16. conveyor belt; 17. first motor; 18. negative pressure pump; 19. exhaust pipe; 20. suction pipe; 21. arc filter plate; 22. glue storage box; 23. delivery pump; 24. delivery pipeline; 25. glue inlet pipe; 26. sealing cover plate; 27. conveyor belt; 28. second motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4As shown, a circuit board dispensing device comprises two supporting plates 1; an L-shaped plate 2 is fixedly connected to the two supporting plates 1, and a fixing plate 3 is fixedly connected to the two L-shaped plates 2 in cooperation with each other, a pneumatic cylinder 4 is installed on the fixing plate 3, and a pneumatic rod 5 is assembled at the active end of the pneumatic cylinder 4, and a glue discharge head 6 is fixedly connected to the bottom end of the pneumatic rod 5, and a push plate 7 is fixedly connected to the glue discharge head 6, a vertical plate 8 is fixedly connected to one side of the bottom of the fixing plate 3, and a fixing seat 9 is installed on the vertical plate 8, and a swinging scraper 10 is rotatably installed in the fixing seat 9 through a pin shaft, and a spring 11 is fixedly connected between the swinging scraper 10 and the vertical plate 8, and a collecting box 12 is fixedly connected to the other side of the bottom of the fixing plate 3, and a rectangular feed port is provided on one side of the collecting box 12, and a hard material guide pipe 13 is fixedly connected to the port of the rectangular feed port, and a dust cover 14 is fixedly connected to the other end of the hard material guide pipe 13, and a dust cover 14 is fixedly connected to the other end of the collecting box 12. A slag discharge port is provided, and a sealing cover plate 26 is movably installed in the slag discharge port; in the process of dispensing glue to the circuit board, the pneumatic cylinder 4 is started, so that the pneumatic rod 5 drives the glue head 6 to move vertically downward, the spring 11 is compressed by force, so that the push plate 7 pushes the swing scraper 10 to move, and the glue head 6 opens, so that the surface of the circuit board can be glued. After the glue dispensing is completed, the pneumatic cylinder 4 is operated to make the pneumatic rod 5 drive the glue head 6 to move vertically upward, and the swing scraper 10 is gradually rebounded and reset by the action of the spring 11. Under the action of the swing scraper 10, the residual glue on the glue head 6 can be scraped off, and the glue head 6 can be re-sealed, so as to prevent the glue head 6 from being blocked, and at the same time, it can avoid the occurrence of glue leakage, glue overflow, etc., and avoid excessive glue remaining on the board surface of the circuit board, so as to ensure the conductive effect of the circuit board.

[0024] See also Figure 4-5As shown, fixed blade plates 15 are installed on both sides of the port of the dust hood 14, two rotating rollers are installed between the two fixed blade plates 15 for cooperation and rotation, and conveyor belts 16 are installed on the outer surfaces of the two rotating rollers for cooperation and rotation. A first motor 17 is installed on one of the fixed blade plates 15, and the output end of the first motor 17 is connected to the end of one of the rotating rollers. A negative pressure pump 18 is installed on the collection box 12, and the input port of the negative pressure pump 18 is connected to an exhaust pipe 20, and the other port of the exhaust pipe 20 is arranged in the collection box 12, and the output port of the negative pressure pump 18 is connected to an exhaust pipe 19, and an arc filter plate 21 is fixedly connected in the collection box 12, and the arc filter plate 21 The port is arranged around the exhaust pipe 20; when the scraped residual rubber is cleaned and collected, the first motor 17 is started to rotate the conveyor belt 16, so that the scraped residual rubber can be transported to the port of the dust hood 14 through the conveyor belt 16, and the negative pressure pump 18 is started at the same time, so that the exhaust pipe 20 extracts the gas in the collection box 12 and discharges it through the exhaust pipe 19, so that the interior of the collection box 12 is in a negative pressure state, so that the rubber on the conveyor belt 16 can be sucked into the dust hood 14, and then transported to the collection box 12 through the hard material guide pipe 13, so that the scraped rubber can be cleaned and collected in time, thereby ensuring the subsequent gluing effect on the circuit board surface.

[0025] See also Figure 3-4 As shown, a glue storage box 22 is installed on the fixed plate 3, and a delivery pump 23 is installed on the glue storage box 22. A glue outlet hole is opened on the glue storage box 22, and a delivery pipe 24 is fixedly connected to the end of the glue outlet hole, and the other end of the delivery pipe 24 is fixedly connected to the glue outlet head 6. A glue inlet hole is opened on the glue storage box 22, and a glue inlet pipe 25 is fixedly connected to the end of the glue inlet hole, and a one-way valve is installed on the glue inlet pipe 25; when dispensing glue on the circuit board surface, start the delivery pump 23 to make the glue in the glue storage box 22 flow into the glue outlet head 6 through the delivery pipe 24, so that the circuit board surface can be dispensed with glue.

[0026] See also Figure 1-2 As shown, a plurality of conveying rollers are rotatably installed between the two support plates 1 via a rotating shaft, and a conveying belt 27 is provided on the outer surfaces of the plurality of conveying rollers. A second motor 28 is installed on one support plate 1, and an output end of the second motor 28 is connected to one end of the rotating shaft located at the end; when the circuit board is conveyed, the second motor 28 is started, so that the conveying roller drives the conveying belt 27 to rotate, thereby automatically conveying the circuit board.

[0027] Working principle: In the prior art, when dispensing glue on the circuit board, it is easy to leak glue, overflow glue, etc., resulting in excessive glue remaining on the board surface of the circuit board, thereby affecting the conductive effect of the circuit board; therefore, a circuit board dispensing device is proposed to address the above problems; in the process of dispensing glue on the circuit board, the pneumatic cylinder 4 is started, so that the pneumatic rod 5 drives the glue head 6 to move vertically downward, the spring 11 is compressed by force, so that the push plate 7 pushes the swing scraper 10 to move, and the opening of the glue head 6 is opened, so that the surface of the circuit board can be glued. After the glue dispensing is completed, the pneumatic cylinder 4 is operated to make the pneumatic rod 5 drive the glue head 6 to move vertically upward, and the swing scraper 10 is gradually rebounded and reset by the action of the spring 11. Under the action of the swing scraper 10, the residual glue on the glue head 6 can be scraped off, and the glue head 6 can be re-blocked, so that the glue head 6 can be prevented from being blocked, and at the same time, the occurrence of leaking glue, overflowing glue, etc. can be avoided, and excessive glue can be avoided on the board surface of the circuit board, so as to ensure the conductive effect of the circuit board;

[0028] When cleaning and collecting the scraped residual rubber, the first motor 17 is started to rotate the conveyor belt 16, so that the scraped residual rubber can be transported to the port of the dust cover 14 through the conveyor belt 16, and the negative pressure pump 18 is started at the same time, so that the exhaust pipe 20 extracts the gas in the collection box 12 and discharges it through the exhaust pipe 19, so that the inside of the collection box 12 is in a negative pressure state, so that the rubber on the conveyor belt 16 can be sucked into the dust cover 14, and then transported to the collection box 12 through the hard material guide pipe 13, so that the scraped rubber can be cleaned and collected in time, thereby ensuring the subsequent dispensing effect on the circuit board surface;

[0029] When dispensing glue on the circuit board surface, the delivery pump 23 is started to make the glue in the glue storage box 22 flow into the glue dispensing head 6 through the delivery pipe 24, so that the circuit board surface can be dispensed with glue.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A circuit board dispensing device, Features: The invention comprises two support plates (1); an L-shaped plate (2) is fixedly connected to the two support plates (1); the two L-shaped plates (2) are matched and fixedly connected to a fixing plate (3); a pneumatic cylinder (4) is installed on the fixing plate (3); the working end of the pneumatic cylinder (4) is equipped with a pneumatic rod (5); the bottom end of the pneumatic rod (5) is fixedly connected to a glue discharge head (6); the glue discharge head (6) is fixedly connected to a push plate (7); a vertical plate (8) is fixedly connected to one side of the bottom of the fixing plate (3); a fixing seat (9) is installed on the vertical plate (8); the fixing seat (9) has a through hole A swinging scraper (10) is rotatably mounted through a pin shaft, a spring (11) is fixedly connected between the swinging scraper (10) and the vertical plate (8), a collecting box (12) is fixedly connected to the other side of the bottom of the fixed plate (3), a rectangular feed port is provided on one side of the collecting box (12), a hard material guide pipe (13) is fixedly connected to the end of the rectangular feed port, a dust hood (14) is fixedly connected to the other end of the hard material guide pipe (13), a slag discharge port is provided on the other side of the collecting box (12), and a sealing cover plate (26) is movably installed in the slag discharge port.

2. A circuit board dispensing device according to claim 1, Features: Fixed blade plates (15) are installed on both sides of the port of the dust hood (14), two rotating rollers are installed between the two fixed blade plates (15) for cooperation and rotation, and a conveyor belt (16) is installed on the outer surfaces of the two rotating rollers for cooperation and rotation. A first motor (17) is installed on one of the fixed blade plates (15), and the output end of the first motor (17) is connected to the end of one of the rotating rollers.

3. A circuit board dispensing device according to claim 1, Features: The collecting box (12) is equipped with a negative pressure pump (18), the input port of the negative pressure pump (18) is connected to an exhaust pipe (20), and the other port of the exhaust pipe (20) is arranged in the collecting box (12), the output port of the negative pressure pump (18) is connected to an exhaust pipe (19), and an arc-shaped filter plate (21) is fixedly connected in the collecting box (12), and the arc-shaped filter plate (21) is arranged around the port of the exhaust pipe (20).

4. A circuit board dispensing device according to claim 1, Features: A glue storage box (22) is installed on the fixed plate (3), a delivery pump (23) is installed on the glue storage box (22), a glue outlet hole is opened on the glue storage box (22), a delivery pipe (24) is fixedly connected to the end of the glue outlet hole, and the other end of the delivery pipe (24) is fixedly connected to the glue outlet head (6).

5. A circuit board dispensing device according to claim 4, Features: The glue storage box (22) is provided with a glue inlet hole, a glue inlet pipe (25) is fixedly connected to the end of the glue inlet hole, and a one-way valve is installed on the glue inlet pipe (25).

6. A circuit board dispensing device according to claim 1, Features: A plurality of conveying rollers are rotatably mounted between the two support plates (1) via a rotating shaft, and a conveying belt (27) is sleeved on the outer surfaces of the plurality of conveying rollers. A second motor (28) is mounted on one support plate (1), and an output end of the second motor (28) is connected to one end of the rotating shaft located at the end.

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