CN210357859U

CN210357859U - Automatic adhesive dispensing device for circuit board

Info

Publication number: CN210357859U
Application number: CN201921103102.0U
Authority: CN
Inventors: 王朝阳; 王海英; 钱云星
Original assignee: Danyang Huayi Medical Supply & Equipment Co ltd
Current assignee: Danyang Huayi Medical Supply & Equipment Co ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-21
Anticipated expiration: 2029-07-15

Abstract

The utility model belongs to the technical field of adhesive deposite device, concretely relates to automatic adhesive deposite device of circuit board, including dispensing head and the point glue needle of dispensing head bottom, the outer wall both sides of dispensing head are installed the mounting bracket, be fixed with disc gear motor on the mounting bracket, disc gear motor's output is connected with the rocking arm, and the end of two rocking arms rotates and is connected with the wiping roller; the utility model discloses install disk gear motor in the outside of dispensing head, a take place to remove in certain angle for the drive rocking arm, make the cleaning roller be in clean dispensing needle and the non-state of cleaning dispensing needle, consequently when dispensing needle is in the state of suspending, can clean the dispensing needle end through the cleaning roller, prevent that glue from condensing on the end, also can prevent to drip, and the glue that will expose dissolves through acetone, keep dispensing head can spit out new glue when using next time, guarantee the accuracy of point gluing and the quality of glue.

Description

Automatic adhesive dispensing device for circuit board

Technical Field

The utility model belongs to the technical field of the adhesive deposite device, concretely relates to automatic adhesive deposite device of circuit board.

Background

The white glue dispensing is an important process link in a circuit board assembly production line. The process needs to apply a white glue on the peripheral points of the important capacitor elements which are welded on the circuit board, wherein the white glue absorbs moisture in the air and is solidified so as to prevent the capacitor elements from loosening and falling off due to transition bump and vibration in the transportation and use processes of the circuit board, thereby influencing the working stability and reliability of the circuit board.

In the process of dispensing operation, the dispensing needle has a temporary pause, that is, continuous and continuous dispensing operation, when the temporary time is long, the glue on the needle head is solidified, or drops due to too long time, which affects the next precise dispensing operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic adhesive deposite device of circuit board to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic dispensing device for a circuit board comprises a dispensing head and a dispensing needle at the bottom of the dispensing head, wherein mounting frames are mounted on two sides of the outer wall of the dispensing head, a disc-type speed reducing motor is fixed on the mounting frames, the output end of the disc-type speed reducing motor is connected with rocker arms, the tail ends of the two rocker arms are rotatably connected with a wiping roller, a chute matched with the rocker arms is formed in the mounting frames, and when the rocker arms are in a parallel state with the dispensing needle, the wiping roller is attached to the tail ends of the dispensing needle; one of them the outside of rocking arm is equipped with the acetonaize pot that holds the acetonaize pot and presss from both sides, the bottom of acetonaize pot be equipped with be connected to the moisturizing pipe in the wiping roller, another install on the rocking arm and be used for the drive wipe roller pivoted motor.

Preferably, the wiping roller is cylindrical, a first plug and a second plug are arranged at two ends of the wiping roller respectively, and clamping grooves matched with the first plug and the second plug are formed at two ends of the wiping roller.

Preferably, the wiping roller is close to the one end of first end cap is equipped with the collecting tank, just the inboard of collecting tank is fixed with dips in the liquid stick, the outside terminal surface of first end cap is fixed with hollow rotating shaft, the intermediate position department of first end cap is equipped with and holds the tube seat of fluid infusion pipe, it is located to dip in the liquid stick the inboard of fluid infusion pipe.

Preferably, the outer wall of the liquid dipping rod is provided with threads.

Preferably, a rotary seat is arranged at one end, far away from the disc type speed reduction motor, of the rocker arm, and the rotary seat is rotatably connected with the hollow rotating shaft.

Preferably, a shaft sleeve is arranged in the middle of the second plug, and the output of the motor is fixedly connected with the shaft sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses install disk gear motor in the outside of dispensing head, a take place to remove in certain angle for the drive rocking arm, make the cleaning roller be in clean dispensing needle and the non-state of cleaning dispensing needle, consequently when dispensing needle is in the state of suspending, can clean the dispensing needle end through the cleaning roller, prevent that glue from condensing on the end, also can prevent to drip, and the glue that will expose dissolves through acetone, keep dispensing head can spit out new glue when using next time, guarantee the accuracy of point gluing and the quality of glue.

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. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the rocker arm of the present invention in an inclined state;

FIG. 3 is a schematic structural view of a wiping roller according to the present invention;

fig. 4 is a schematic structural diagram of the first plug of the present invention.

In the figure: 1. dispensing a glue head; 11. dispensing a glue needle; 2. a mounting frame; 201. a chute; 3. a disk type reduction motor; 4. a rocker arm; 41. an acetone pot clamp; 42. rotating; 5. a wiping roller; 501. a liquid collecting tank; 502. a liquid dipping bar; 51. a first plug; 511. a hollow rotating shaft; 512. a pipe groove; 52. a second plug; 521. a shaft sleeve; 6. a motor; 7. an acetone kettle; 71. and a liquid replenishing pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: an automatic dispensing device for a circuit board comprises a dispensing head 1 and a dispensing needle 11 at the bottom of the dispensing head 1, wherein mounting frames 2 are mounted on two sides of the outer wall of the dispensing head 1, a disc-type speed reducing motor 3 is fixed on the mounting frames 2, the output end of the disc-type speed reducing motor 3 is connected with rocker arms 4, the tail ends of the two rocker arms 4 are rotatably connected with a wiping roller 5, a chute 201 matched with the rocker arms 4 is formed in the mounting frames 2, and when the rocker arms 4 are in a parallel state with the dispensing needle 11, the wiping roller 5 is attached to the tail ends of the dispensing needle 11; an acetone pot clamp 41 for accommodating an acetone pot 7 is arranged on the outer side of one rocker arm 4, a liquid supplementing pipe 71 connected to the wiping roller 5 is arranged at the bottom end of the acetone pot 7, and a motor 6 for driving the wiping roller 5 to rotate is mounted on the other rocker arm 4.

In the embodiment, mounting frames 2 are mounted on two sides of the outer wall of a dispensing head 1, a disc type speed reducing motor 3 is fixed on the mounting frames 2, the mounting frames 2 are fixed on the outer side of the dispensing head 1 through screws, the disc type speed reducing motor 3 is also fixed on the mounting frames 2 through screws, the disc type speed reducing motor 3 is a 9FG/12FG series motor of the Huachen brand, the characteristics of low rotating speed and large torque can be met, the output end of the disc type speed reducing motor 3 is connected with rocker arms 4, and the tail ends of the two rocker arms 4 are rotatably connected with wiping rollers 5, so that the two rocker arms 4 driving the output end of the disc type speed reducing motor 3 can change the angle, the wiping rollers 5 are positioned below or on one side of the dispensing needle 11, sliding grooves 201 matched with the rocker arms 4 are formed in the mounting frames 2, when the rocker arms 4 are parallel to the dispensing needle 11, the glue dropped from the dispensing needle 11 can be removed; the outer side of one rocker arm 4 is provided with an acetone pot clamp 41 for accommodating an acetone pot 7, the bottom end of the acetone pot 7 is provided with a liquid supplementing pipe 71 connected to the wiping roller 5, the other rocker arm 4 is provided with a motor 6 for driving the wiping roller 5 to rotate, the model of the motor 6 is XFF-N20NA, acetone solution is placed in the acetone pot 7 and flows into the wiping roller 5 all the time through the liquid supplementing pipe 71, the wiping roller 5 is made of sponge and has an adsorption effect and can adsorb a certain amount of acetone to dissolve glue, the wiping roller 5 can be replaced after being used for a period of time, when the wiping roller 5 is positioned below the dispensing needle 11, the motor 6 rotates to drive the wiping roller 5 to rotate, and the glue exposed by the dispensing needle 11 is removed.

Specifically, wiping roller 5 is cylindrically, and wiping roller 5 is columniform sponge roller, and inside density is less, and outer density is great, and inside can realize certain stock solution ability, and the smoothness nature of wiping can be guaranteed to the skin, and wiping roller 5's both ends are equipped with first end cap 51 and second end cap 52 respectively, and wiping roller 5's both ends are seted up with first end cap 51, second end cap 52 complex draw-in groove, drive wiping roller 5 whole rotation through first end cap 51 and second end cap 52.

Specifically, a liquid collecting tank 501 is arranged at one end, close to the first plug 51, of the wiping roller 5, a liquid dipping rod 502 is fixed on the inner side of the liquid collecting tank 501, a hollow rotating shaft 511 is fixed on the outer side end face of the first plug 51, a pipe tank 512 for accommodating the liquid replenishing pipe 71 is arranged in the middle of the first plug 51, the liquid dipping rod 502 is located on the inner side of the liquid replenishing pipe 71, threads are arranged on the outer wall of the liquid dipping rod 502, when the wiping roller 5 rotates, a certain amount of acetone solution can be actively drawn from the liquid replenishing pipe 71 by the liquid dipping rod 502 and is gathered in the liquid collecting tank 501, the wiping roller 5 is kept in a relatively wet state in the wiping process, the wiping cleanliness is improved, and relative rotation cannot occur between the liquid replenishing pipe 71 and the first plug 51.

Specifically, one end of the rocker arm 4, which is far away from the disc-type speed reduction motor 3, is provided with a swivel base 42, the swivel base 42 is rotatably connected with the hollow rotating shaft 511, and the swivel base 42 on the rocker arm 4 on the other side is rotatably connected with the rotating shaft of the motor 6 and is held by the two swivel bases 42.

Specifically, a shaft sleeve 521 is arranged at the middle position of the second plug 52, and the output of the motor 6 is fixedly connected with the shaft sleeve 521, so that the power of the motor 6 is conveniently input to the wiping roller 5 to drive the wiping roller to rotate.

The utility model discloses a theory of operation and use flow: when the dispensing head 1 is in the temporary rest period, the disc type speed reduction motor 3 drives the two rocker arms 4 to change the angle, the position that the wiping roller 5 is located one side is moved to the below of the dispensing needle 11, the wiping roller 5 is attached to the tail end of the dispensing needle 11, the motor 6 rotates to drive the wiping roller 5 to rotate, the glue solution exposed from the dispensing needle 11 is cleared away, acetone solution is placed in the acetone pot 7 and flows into the wiping roller 5 through the liquid supplementing pipe 71, the wiping roller 5 is made of sponge materials and has an adsorption effect, a certain amount of acetone can be adsorbed, the dissolving of the glue is realized, the wiping roller 5 can be replaced after being used for a period of time, and a good cleaning effect is ensured.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic adhesive deposite device of circuit board, including dispensing head (1) and dispensing needle (11) of dispensing head (1) bottom, its characterized in that: mounting frames (2) are mounted on two sides of the outer wall of the dispensing head (1), a disc-type speed reducing motor (3) is fixed on each mounting frame (2), the output end of each disc-type speed reducing motor (3) is connected with a rocker arm (4), the tail ends of the two rocker arms (4) are rotatably connected with a wiping roller (5), a sliding groove (201) matched with the rocker arms (4) is formed in each mounting frame (2), and when the rocker arms (4) are parallel to the dispensing needles (11), the wiping rollers (5) are attached to the tail ends of the dispensing needles (11); one of them the outside of rocking arm (4) is equipped with the acetoniper pot clamp (41) that holds acetoniper pot (7), the bottom of acetoniper pot (7) is equipped with and is connected to replenisher pipe (71) in wiping roller (5), another install on rocking arm (4) and be used for the drive wipe roller (5) pivoted motor (6).

2. The automatic dispensing device for circuit board of claim 1, wherein: the cleaning roller (5) is cylindrical, a first plug (51) and a second plug (52) are arranged at two ends of the cleaning roller (5) respectively, and clamping grooves matched with the first plug (51) and the second plug (52) are formed in two ends of the cleaning roller (5).

3. The automatic dispensing device for circuit board of claim 2, wherein: wiping roller (5) are close to the one end of first end cap (51) is equipped with collecting tank (501), just the inboard of collecting tank (501) is fixed with dips in liquid stick (502), the outside terminal surface of first end cap (51) is fixed with hollow rotating shaft (511), the intermediate position department of first end cap (51) is equipped with and holds tube seat (512) of moisturizing pipe (71), it is located to dip in liquid stick (502) the inboard of moisturizing pipe (71).

4. The automatic dispensing device for circuit board of claim 3, wherein: the outer wall of the liquid dipping rod (502) is provided with threads.

5. The automatic dispensing device for circuit board of claim 3, wherein: and a rotary seat (42) is arranged at one end of the rocker arm (4) far away from the disc type speed reducing motor (3), and the rotary seat (42) is rotatably connected with the hollow rotating shaft (511).

6. The automatic dispensing device for circuit board of claim 2, wherein: a shaft sleeve (521) is arranged in the middle of the second plug (52), and the output of the motor (6) is fixedly connected with the shaft sleeve (521).