CN112827745A

CN112827745A - Adhesive deposite device is used in processing of aluminium base circuit board for LED lamp

Info

Publication number: CN112827745A
Application number: CN202011571830.1A
Authority: CN
Inventors: 高义峰
Original assignee: Tianchang Saier Electronic Technology Co ltd
Current assignee: Tianchang Saier Electronic Technology Co ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-05-25

Abstract

The invention discloses a glue dispensing device for processing an aluminum-based circuit board for an LED lamp, which comprises a base, wherein a motor is arranged on the lower side of the base, a rotating shaft of the motor is connected with a cam, a vertical rod is fixed at the lower end of the cam, a sleeve is sleeved on the outer side of the vertical rod, a power arm is fixed at the upper end of the sleeve and is slidably connected to a groove going to a multifilament rod, a reciprocating lead screw groove is fixed on the inner side of the base, a first sliding block is fixed at one end of the power arm, which is far away from the sleeve, and is arc-shaped, and the first sliding block is slidably connected in the groove going to the multifilament rod to guide the power arm.

Description

Adhesive deposite device is used in processing of aluminium base circuit board for LED lamp

Technical Field

The invention relates to the technical field of circuit board processing, in particular to a glue dispensing device for processing an aluminum-based circuit board for an LED lamp.

Background

The conventional manufacturing process of LED package light source generally includes die bonding, wire bonding, dispensing, beam splitting and packaging, wherein dispensing is to form a fluorescent glue layer on the surface of an LED chip, and the dispensing includes needle dispensing, molding dispensing, etc. the needle dispensing is now commonly used in production due to its advantages such as convenient operation, and the needle dispensing method generally includes: glue is prepared, the prepared glue is poured into a glue barrel, then a needle cylinder with a needle head moves downwards to be close to the surface of a chip after die bonding and wire bonding, glue is discharged in a moving mode, the glue is not uniformly coated due to the fact that the needle cylinder directly moves downwards to form a middle bulge, and after glue discharging is completed, due to the viscosity of the glue, the glue and a glue dispensing part form wire drawing, and attractiveness is affected. Therefore, the invention provides a dispensing device for processing an aluminum-based circuit board for an LED lamp, which is used for solving the problems in the background art.

Disclosure of Invention

The invention aims to provide a glue dispensing device for processing an aluminum-based circuit board for an LED lamp, which aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a glue dispensing device for processing an aluminum-based circuit board for an LED lamp comprises a base, wherein a motor is installed on the lower side of the base, a rotating shaft of the motor is connected with a cam, a vertical rod is fixed at the lower end of the cam, a sleeve is sleeved on the outer side of the vertical rod, a power arm is fixed at the upper end of the sleeve, the power arm is slidably connected to a groove of a reciprocating lead screw rod, the inner side of the base is fixed to the groove of the reciprocating lead screw rod, an electric telescopic rod is installed on one side, away from the power arm, of the sleeve, a second sliding block is fixed to the end of the electric telescopic rod, the second sliding block is slidably connected to a guide rail, the end of the guide rail is fixed to the lower side of the sleeve, a glue dispenser is fixedly connected to the lower end of the second sliding block, a positioning device is arranged below the glue dispenser, a laser sensor is, meanwhile, the electric telescopic rod drives the dispenser to move, so that the lower end of the dispenser makes spiral motion and is uniformly coated;

be equipped with the box in the point gum machine, the lower extreme of point gum machine is equipped with the pole of gluing a bit, the upper end of box is passed through communicating pipe intercommunication pressure tank one, pressure tank one is fixed on the right side of point gum machine, and box intercommunication injecting glue mouth, the lower extreme intercommunication play mucilage binding of box are put.

As a further scheme of the invention, a first sliding block is fixed at one end of the power arm, which is far away from the sleeve, is in an arc shape, and is connected in a groove of the outgoing multifilament rod in a sliding manner to guide the power arm.

As a further scheme of the invention, the glue dispensing rod and the box body are internally provided with a heating layer, and the outer side of the heating layer is provided with a heat preservation layer for heating and preserving glue.

As a further scheme of the invention, the glue outlet device comprises a first cavity, a second cavity and a third cavity, wherein the upper end of the first cavity is communicated with the box body, the lower side of the third cavity is communicated with the glue dispensing rod, electromagnetic valves are arranged at the communicated positions, the second cavity is communicated with the glue dispensing rod through a second tube, the lower end of the first cavity is connected with a communicating tube through a three-way valve, the other opening of the three-way valve is connected with the outside, the lower end of the third cavity is connected with a third tube, a third piston is arranged in the third cavity, the upper end of the third piston is connected with a second spring, the upper end of the second spring is hinged with a tilting rod through a rod, the right upper end of the tilting rod is connected with a sliding block in a sliding manner, the sliding block is hinged with a linkage rod, the linkage rod is fixedly connected with the three rods, the other two rods are respectively fixed on the upper sides of the first piston and the, and then the piston I is driven to move, and the spring I is responsible for recovering and transporting the glue.

As a further scheme of the invention, the distance between the rod at the upper end of the spring II and the rotating shaft of the tilting rod is greater than that between the linkage rod and the rotating shaft, so that the action of the linkage rod is amplified, and the pressure on the piston III is improved.

As a further scheme of the invention, the electromagnetic valve is arranged on the third pipe, the heating device is arranged outside the third pipe, and the third pipe is communicated with the outside to absorb outside air.

As a further scheme of the invention, the positioning device comprises a frame, the left side and the right side in the frame are both connected with a pressing plate in a sliding manner, the upper side of the positioning device is fixed with a second high-pressure tank, and the second high-pressure tank is connected with a cavity at the end part of the pressing plate through a three-way pipe.

As a further scheme of the invention, the pressure plate comprises a vertical plate and an inclined rod, the end part of the inclined rod is provided with a piston, the piston is connected in the cavity in a sliding manner, the inclined rod is provided with a spring, the vertical plate is driven to position the workpiece through the change of air pressure, and the workpiece is restored through the spring.

As a further scheme of the invention, the pressure plate is internally provided with an air duct which is connected with an air bag, the lower side of the air bag is provided with an L-shaped baffle plate, and the baffle plate is connected in a vertical groove of the pressure plate in a sliding manner to position the workpiece.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the glue dispensing rod which rotates in a spiral manner reciprocates, so that glue is uniformly distributed, the glue discharging device is used for discharging the glue accurately, and a cavity is formed between each section of glue, so that the glue dispensing rod is not adhered to the glue at the outlet when the glue dispensing is finished, and the glue dispensing rod is convenient for next coating.

Drawings

Fig. 1 is a schematic structural diagram of a dispensing device for processing an aluminum-based circuit board for an LED lamp.

Fig. 2 is a partially enlarged structural diagram of a in fig. 1.

Fig. 3 is a schematic top view of a first sliding block in the dispensing device for processing the aluminum-based circuit board for the LED lamp.

Fig. 4 is a schematic top view of a positioning device in a dispensing device for processing an aluminum-based circuit board for an LED lamp.

Fig. 5 is a schematic structural diagram of a pressing plate in the dispensing device for processing the aluminum-based circuit board for the LED lamp.

Fig. 6 is a schematic structural diagram of a warping plate in the dispensing device for processing the aluminum-based circuit board for the LED lamp.

In the figure: 1. a machine base; 2. a motor; 3. a cam; 4. a vertical rod; 5. a sleeve; 6. a power arm; 7. a first sliding block; 8. a second sliding block; 9. a glue dispenser; 10. a guide rail; 11. feeding a multifilament bar slot; 12. a box body; 13. a first high-pressure tank; 14. a communicating pipe; 15. a glue injection port; 16. a glue discharging device; 17. a positioning device; 18. a second high-pressure tank; 19. a first piston; 20. a first cavity; 21. a second piston; 22. a second cavity; 23. a piston III; 24. a third cavity; 25. a first pipe; 26. a second pipe; 27. a third pipe; 28. a linkage rod; 29. raising the rod; 30. a first spring; 31. a second spring; 32. pressing a plate; 33. an air bag; 34. a baffle plate; 35. an electric telescopic rod; 36. dispensing a glue rod; 37. a conveyor belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a dispensing device for processing an aluminum-based circuit board for an LED lamp includes a base 1, a motor 2 is installed on a lower side of the base 1, a rotating shaft of the motor 2 is connected to a cam 3, a vertical rod 4 is fixed to a lower end of the cam 3, a sleeve 5 is sleeved on an outer side of the vertical rod 4, a power arm 6 is fixed to an upper end of the sleeve 5, the power arm 6 is slidably connected to a multifilament rod groove 11, a reciprocating lead screw groove 11 is fixed to an inner side of the base 1, a first slider 7 is fixed to an end of the power arm 6 far away from the sleeve 5, the first slider 7 is arc-shaped, the first slider 7 is slidably connected to the multifilament rod groove 11 to guide the power arm 6, an electric telescopic rod 35 is installed on a side of the sleeve 5 far away from the power arm 6, a second slider 8 is fixed to an end of the electric telescopic, the lower end of the second sliding block 8 is fixedly connected with a dispenser 9, a positioning device 17 is arranged below the dispenser 9, a laser sensor is arranged on the lower side of the positioning device 17, a conveying belt 37 is arranged on the lower side of the positioning device 17, the vertical rod 4 is driven to rotate through the rotation of the motor 2, the dispenser 9 is driven to periodically move up and down through the limitation of the power arm 6 and the reciprocating screw rod groove 11, and meanwhile, the dispenser 9 is driven to move through the electric telescopic rod 35, so that the lower end of the dispenser 9 makes spiral motion and is uniformly coated;

the glue dispenser is characterized in that a box body 12 is arranged in the glue dispenser 9, a glue dispensing rod 36 is arranged at the lower end of the glue dispenser 9, a heating layer is arranged in the glue dispensing rod 36 and the box body 12, a heat preservation layer is arranged on the outer side of the heating layer to heat and preserve heat of glue, the upper end of the box body 12 is communicated with a first high-pressure tank 13 through a communication pipe 14, the first high-pressure tank 13 is fixed on the right side of the glue dispenser 9, the box body 12 is communicated with a glue injection port 15, the lower end of the box body 12 is communicated with a glue outlet device 16, the glue outlet device 16 comprises a first cavity 20, a second cavity 22 and a third cavity 24, the upper end of the first cavity 20 is communicated with the box body 12, the lower side of the third cavity 24 is communicated with the glue dispensing rod 36, electromagnetic valves are arranged at the communicated positions, the second cavity 22 is communicated with the glue dispensing rod 36 through, the electromagnetic valve is installed on the third pipe 27, the heating device is arranged on the outer side of the third pipe 27, the third pipe 27 is communicated with the outside to absorb outside air, the third piston 23 is arranged in the third cavity 24, the upper end of the third piston 23 is connected with the second spring 31, the upper end of the second spring 31 is hinged with the seesaw 29 through the rod, the right upper end of the seesaw 29 is connected with the slide block in a sliding manner, the slide block is hinged with the linkage rod 28, the distance between the rod at the upper end of the second spring 31 and the rotation shaft of the seesaw 29 is larger than the rotation shaft of the linkage rod 28 and the rotation shaft, the action of the linkage rod 28 is amplified, the pressure on the third piston 23 is improved, the linkage rod 28 is fixedly connected with three rods, the other two rods are respectively fixed on the upper sides of the first piston 19 and the second piston 21, the first piston 19 is located in the first cavity 20, the second piston 21 is, the first piston 19 is driven to move, and the first spring 30 is responsible for restoring to transport the glue;

positioner 17 includes the frame, and the equal sliding connection in the inside left and right sides of frame has clamp plate 32, and positioner 17's upside is fixed with two high-pressure tanks 18, and two high-pressure tanks 18 are in the cavity of clamp plate 32 tip through the three-way pipe connection, clamp plate 32 includes riser and down tube, and the tip of down tube is equipped with the piston, and piston sliding connection is equipped with the spring in the cavity on the down tube, through atmospheric pressure's change, drives the riser and fixes a position the work piece, replies through the spring, be equipped with the air duct in the clamp plate 32, the air duct is connected with gasbag 33, and the downside of gasbag 33 is equipped with the baffle 34 of L type, and baffle 34 sliding connection is in the vertical inslot of.

The working principle of the invention is as follows: when the glue dispensing device is used, the glue dispensing device is transported by the transport belt 37, the positioning device 17 is positioned, the laser sensor receives a signal, the transport belt 37 stops rotating, the three-way pipe is connected with the second high-pressure tank 18, high-pressure gas drives the pressing plate 32 to move downwards, simultaneously, the gas enters the air bag 33, the baffle 34 positions a workpiece, then the motor 2 rotates to drive the vertical rod 4 to rotate, the power arm 6 and the reciprocating screw rod groove 11 limit the glue dispensing machine 9 to move up and down periodically, meanwhile, the electric telescopic rod 35 drives the glue dispensing machine 9 to move, so that the lower end of the glue dispensing machine 9 makes spiral motion and uniformly coats, the glue dispensing rod 36 discharges glue by the glue discharging device 16, the high-pressure tank 13 is communicated with the first high-pressure tank 13 through the three-way valve, the air pressure drives the first piston 19 to ascend, the valves of the first pipe 25 and the third pipe 27 are opened, the linkage, the tilting rod 29 rotates, the piston III 23 moves downwards, glue in the cavity I20 is sucked into the cavity II 22, then, valves of the tube I25 and the tube III 27 are closed, the cavity III 24 is communicated with the glue dispensing rod 36, high-pressure gas is pressed into a pipeline to form a cavity formed by a section of air, the three-way valve is connected with the outside, the spring I30 returns, air is discharged below the cavity I20 to drive the linkage rod 28 to move downwards, the cavity III 24 is connected with the outside through the tube III 27 to suck air, the gas is heated, meanwhile, the cavity I20 is connected with the box body 12 to be filled, glue in the cavity II 22 enters the glue dispensing rod 36 through the tube II 26, and glue conveying is completed.

According to the invention, the glue dispensing rod 36 which rotates in a spiral manner reciprocates, so that glue is uniformly distributed, the glue discharging device 16 is used for discharging the glue accurately, a cavity is formed between each section of glue, the glue dispensing rod 36 is prevented from being adhered to the glue at the outlet when the glue dispensing is finished, and the next coating is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a glue dispensing device is used in processing of aluminium base circuit board for LED lamp, which comprises a base (1), a serial communication port, motor (2) are installed to the downside of frame (1), cam (3) is connected in the pivot of motor (2), the lower extreme of cam (3) is fixed with montant (4), the outside cover of montant (4) is equipped with sleeve (5), the upper end of sleeve (5) is fixed with power arm (6), power arm (6) sliding connection is past multifilament pole groove (11), reciprocal lead screw groove (11) are fixed in the inboard of frame (1), one side that power arm (6) were kept away from in sleeve (5) is installed electric telescopic handle (35), the end fixing of electric telescopic handle (35) has slider two (8), slider two (8) sliding connection is in guide rail (10), the tip mounting of guide rail (10) is at the downside of sleeve (5), the lower extreme fixedly connected with point gum machine (9) of slider two (8, a positioning device (17) is arranged below the glue dispenser (9), a laser sensor is arranged on the lower side of the positioning device (17), and a conveying belt (37) is arranged on the lower side of the positioning device (17);

be equipped with box (12) in point gum machine (9), the lower extreme of point gum machine (9) is equipped with some and glues pole (36), communicating pipe (14) intercommunication pressure tank (13) are passed through to the upper end of box (12), the right side at point gum machine (9) is fixed in pressure tank (13), and box (12) intercommunication injecting glue mouth (15), lower extreme intercommunication play mucilage binding of box (12) are put (16).

2. The dispensing device for processing the aluminum-based circuit board for the LED lamp as claimed in claim 1, wherein a first slider (7) is fixed to one end of the power arm (6) far away from the sleeve (5), the first slider (7) is arc-shaped, and the first slider (7) is slidably connected into the multi-filament rod groove (11).

3. The dispensing device for processing the aluminum-based circuit board for the LED lamp as claimed in claim 1, wherein a heating layer is arranged in the dispensing rod (36) and the box body (12), and an insulating layer is arranged outside the heating layer.

4. The dispensing device for processing the aluminum-based circuit board for the LED lamp according to claim 1, wherein the dispensing device (16) comprises a first cavity (20), a second cavity (22) and a third cavity (24), the upper end of the first cavity (20) is communicated with the box body (12), the lower side of the third cavity (24) is communicated with the dispensing rod (36), electromagnetic valves are installed at the communicated positions, the second cavity (22) is communicated with the dispensing rod (36) through a second tube (26), the lower end of the first cavity (20) is connected with the communicating tube (14) through a three-way valve, the other opening of the three-way valve is connected with the outside, the third tube (27) is connected with the lower end of the third cavity (24), a third piston (23) is arranged in the third cavity (24), the upper end of the third piston (23) is connected with a second spring (31), the upper end of the second spring (31) is hinged with the tilting rod (29) through a rod, and the upper right end of, the slider is hinged with a linkage rod (28), the linkage rod (28) is fixedly connected with three rods, the other two rods are respectively fixed on the upper sides of a first piston (19) and a second piston (21), the first piston (19) is positioned in a first cavity (20), the second piston (21) is positioned in a second cavity (22), and a first spring (30) is arranged between the linkage rod (28) and the dispenser (9).

5. The dispensing device for processing the aluminum-based circuit board for the LED lamp as recited in claim 4, wherein a distance between the lever at the upper end of the second spring (31) and the rotating shaft of the tilted lever (29) is greater than a distance between the linking lever (28) and the rotating shaft.

6. The dispensing device for processing the aluminum-based circuit board for the LED lamp as claimed in claim 4, wherein the solenoid valve is installed on the tube III (27), the heating device is installed on the outer side of the tube III (27), and the tube III (27) is communicated with the outside.

7. The dispensing device for processing the aluminum-based circuit board for the LED lamp as recited in claim 1, wherein the positioning device (17) comprises a frame, the left side and the right side of the inside of the frame are both connected with a pressing plate (32) in a sliding manner, the upper side of the positioning device (17) is fixed with a second high-pressure tank (18), and the second high-pressure tank (18) is connected with the cavity at the end of the pressing plate (32) through a three-way pipe.

8. The dispensing device for processing the aluminum-based circuit board for the LED lamp as recited in claim 7, wherein the pressing plate (32) comprises a vertical plate and an inclined rod, a piston is disposed at an end of the inclined rod, the piston is slidably connected in the cavity, and a spring is disposed on the inclined rod.

9. The dispensing device for processing the aluminum-based circuit board for the LED lamp according to claim 7, wherein an air duct is arranged in the pressing plate (32), the air duct is connected with an air bag (33), an L-shaped baffle plate (34) is arranged on the lower side of the air bag (33), and the baffle plate (34) is slidably connected in a vertical groove of the pressing plate (32).