CN216936651U

CN216936651U - Coating machine is glued to three proofings

Info

Publication number: CN216936651U
Application number: CN202122725148.XU
Authority: CN
Inventors: 黄浩
Original assignee: Zhuhai Haoweida Electronic Technology Co ltd
Current assignee: Zhuhai Haoweida Electronic Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-07-12
Anticipated expiration: 2031-11-09

Abstract

The utility model provides a three-proofing adhesive coating machine which comprises a main frame, wherein a conveying device is installed on the main frame, a photoelectric sensor is installed on the conveying device, a transverse moving slide rail and a transverse moving servo motor are installed below the conveying device, the transverse moving slide rail is provided with a transverse moving slide block, the transverse moving slide block is provided with a nozzle frame, the transverse moving servo motor is provided with a transverse moving rotary encoder and a transverse moving synchronous belt, the transverse moving synchronous belt is connected with the nozzle frame, the nozzle frame is provided with a longitudinal moving slide rail and a longitudinal moving servo motor, the longitudinal moving slide rail is provided with a longitudinal moving slide block, a nozzle touch seat is installed on the longitudinal moving slide block, the nozzle touch seat is provided with a three-proofing adhesive nozzle, the longitudinal moving servo motor is provided with a longitudinal moving rotary encoder and a longitudinal moving synchronous belt, and the longitudinal moving synchronous belt is connected with the nozzle touch seat; when the circuit board is conveyed by the conveying device, the three-proofing glue spray head and the circuit board are coated in a mode of moving simultaneously, so that the coating efficiency is improved, and the coating range is not limited by the length and the size of the circuit board; the utility model belongs to the technical field of three-proofing glue spraying equipment.

Description

Coating machine is glued to three proofings

Technical Field

The utility model belongs to the technical field of three-proofing glue spraying equipment, and particularly relates to a three-proofing glue coating machine.

Background

The three-proofing glue is a coating film sprayed on electronic circuits and components, can protect welding spots and conductors in a circuit board from being corroded by severe environments, and can play a role in shielding and eliminating electromagnetic interference and preventing short circuit of the circuits, so that the service life of the product is prolonged, and the safety and the reliability in use are ensured. The existing three-proofing adhesive coating equipment is a programmable control three-axis transmission platform, a circuit board enters the equipment to stop moving, and the area of the circuit board to be coated with three-proofing adhesive is selectively coated by moving a spray head and controlling the opening and closing of a valve of the spray head, so that the coating mode of the spray head moving is limited to the size of the circuit board and the coating efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-proofing adhesive coating machine to realize the simultaneous movement of a spray head and a circuit board, thereby improving the coating efficiency and the spraying range.

The device comprises a main frame, wherein the main frame is provided with a conveying device used for supporting and carrying two sides of a circuit board, one end of the conveying device is provided with a photoelectric sensor, a transverse moving slide rail and a transverse moving servo motor are arranged below the conveying device, the transverse moving slide rail is provided with a transverse moving slide block, the transverse moving slide block is provided with a nozzle frame, the transverse moving servo motor is provided with a transverse moving rotary encoder and a transverse moving synchronous belt, the transverse moving synchronous belt is connected with the nozzle frame, the nozzle frame is provided with a longitudinal moving slide rail and a longitudinal moving servo motor, the longitudinal moving slide rail is provided with a longitudinal moving slide block, the longitudinal moving slide block is provided with a nozzle touch seat, the nozzle touch seat is provided with a three-proofing adhesive nozzle, the longitudinal moving servo motor is provided with a longitudinal moving rotary encoder and a longitudinal moving synchronous belt, and the longitudinal moving synchronous belt is connected with the nozzle touch seat.

The two ends of the conveying device are respectively connected with the connection table, the connection table conveys the circuit board to the conveying device at one end, and the conveying device supports, fixes and conveys the circuit board to the connection table at the other end; when photoelectric sensor detected that the circuit board held in the palm and carried in conveyor's one end, sideslip rotary encoder with indulge and move rotary encoder discernment three proofings and glue shower nozzle position, afterwards, sideslip servo motor drives the shower nozzle frame and moves simultaneously with conveyor same direction, and move three proofings through sideslip servo motor control shower nozzle frame's rate of movement and glue the shower nozzle with three proofings and move the horizontal axis that circuit board needs the coating and correspond the position, indulge and move servo motor and drive the shower nozzle seat and move, so that three proofings glue the shower nozzle and move the circuit board and need the coated longitudinal axis and correspond the position, three proofings glue the shower nozzle and need the coating three proofings to the position that the circuit board need the coating and glue.

Preferably, the main frame is provided with an insulation can, the conveying device penetrates through the insulation can, and the insulation can is internally provided with the infrared heating tube; according to the technical scheme, the coated circuit board is heated and cured, so that the three-proofing adhesive is improved to be more firmly covered on the circuit board, and full-line automation is realized.

Preferably, the other end of the conveying device is provided with a rolling brush, a water receiving disc is arranged below the rolling brush, the main frame is provided with a water tank and a water pump connected with the water tank, the water pump is provided with a water supply pipe matched with the rolling brush, and the water receiving disc is provided with a return pipe connected with the water tank; according to the technical scheme, the circuit board subjected to heating and curing of the three-proofing adhesive and the conveying device are cleaned, the neatness of the coated circuit board is improved, and full-line automation is better realized.

Preferably, an air suction pipeline matched with the three-proofing glue spray head is installed above the conveying device, and an exhaust fan is installed on the air suction pipeline; according to the technical scheme, the harmful substances generated during coating are collected and conveyed to a purifying device by a pipeline for treatment.

Preferably, two heat preservation boxes are arranged beside the spray head frame side by side; according to the technical scheme, the coated circuit board can be heated and cured more efficiently and more stably.

Preferably, the conveying device is provided with a water blocking cover matched with the rolling brush; according to the technical scheme, the cleaning liquid is prevented from splashing during the cleaning work of the rolling brush.

Preferably, the main frame is provided with a touch control screen; according to the technical scheme, the position of the circuit board to be coated is convenient for an operator to preset.

Optionally, the conveying device comprises a transmission motor and rails for supporting and carrying two sides of the circuit board, the rails are provided with circuit board conveying chains, and the motor is in transmission connection with the circuit board conveying chains; according to the technical scheme, the contact area between the conveying device and the circuit board is reduced, and the coating range of the three-prevention glue spray head is enlarged.

Preferably, the transmission motor is provided with a synchronizing shaft connected with the circuit board conveying chain; according to the technical scheme, the circuit board conveying chain is driven to move more stably by the transmission motor.

The beneficial effects of the utility model are as follows:

sideslip servo motor drives the shower nozzle frame and removes simultaneously with conveyor same direction, and the removal speed through control sideslip servo motor moves three proofings and glues the shower nozzle and correspond the position to the transverse axis that needs the coating, indulges to move servo motor and drives the shower nozzle seat and remove, makes three proofings glue the shower nozzle and remove to the circuit board and need the coated longitudinal axis and correspond the position, so that the utility model discloses the mode that three proofings glue shower nozzle and circuit board removed simultaneously coats to improve coated efficiency and improve the spraying scope, and the coating scope does not receive circuit board length size restriction.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described below.

FIG. 1 is a schematic front view of the present invention;

fig. 2 is a schematic structural view of the nozzle holder according to the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a left side view of the present invention.

Reference numerals:

1. a main frame; 11. an air extraction duct; 12. a touch control screen; 2. a conveying device; 21. a photoelectric sensor; 22. a transmission motor; 23. a track; 24. a circuit board conveying chain; 25. a synchronizing shaft; 31. transversely moving the sliding rail; 32. a traverse servo motor; 33. transversely moving the sliding block; 34. a nozzle holder; 35. a traversing rotary encoder; 36. traversing a synchronous belt; 41. longitudinally moving the slide rail; 42. a longitudinal movement servo motor; 43. longitudinally moving the sliding block; 44. a nozzle touch seat; 45. a three-proofing glue nozzle; 46. a longitudinally-moving rotary encoder; 47. longitudinally moving a synchronous belt; 5. a heat preservation box; 51. An infrared heating tube; 61. rolling brushes; 62. a water pan; 63. a water tank; 64. a water pump; 65. a water supply pipe; 66. a return pipe; 67. a water blocking cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 to 2, the present invention includes a main chassis 1, and a touch control screen 12 is mounted on the main chassis 1.

The main frame 1 is provided with a conveying device 2, the conveying device 2 comprises a transmission motor 22 and rails 23 used for supporting and carrying two sides of a circuit board, the rails 23 are provided with circuit board conveying chains 24, and the transmission motor 22 is provided with a synchronizing shaft 25 connected with the circuit board conveying chains 24; two ends of the transmission motor 22 are respectively connected with the connection table; a photoelectric sensor 21 is attached to one end of the transport device 2.

A transverse moving slide rail 31 and a transverse moving servo motor 32 are arranged below one side of the conveying device 2, the transverse moving slide rail 31 is parallel to the conveying device 2, a transverse moving slide block 33 is arranged on the transverse moving slide rail 31, a spray head frame 34 is arranged on the transverse moving slide block 33, a transverse moving rotary encoder 35 and a transverse moving synchronous belt 36 are arranged on the transverse moving servo motor 32, and the transverse moving synchronous belt 36 is connected with the spray head frame 34; the nozzle head frame 34 is provided with a longitudinal movement slide rail 41 and a longitudinal movement servo motor 42, the longitudinal movement slide rail 41 is perpendicular to the transverse movement slide rail 31, the longitudinal movement slide rail 41 is provided with a longitudinal movement slide block 43, the longitudinal movement slide block 43 is provided with a nozzle touch base 44, the nozzle touch base 44 is provided with a three-proofing glue nozzle 45, the longitudinal movement servo motor 42 is provided with a longitudinal movement rotary encoder 46 and a longitudinal movement synchronous belt 47, and the longitudinal movement synchronous belt 47 is connected with the nozzle touch base 44; and an exhaust pipeline 11 matched with the three-proofing glue nozzle 45 is arranged above the conveying device 2, and an exhaust fan is arranged on the exhaust pipeline 11.

Two insulation boxes 5 are arranged on the other side of the conveying device 2, the conveying device 2 penetrates through the insulation boxes 5, an infrared heating tube 51 is arranged in each insulation box 5, and the insulation boxes 5 are provided with ventilation openings.

The other end of the conveying device 2 is provided with a rolling brush 61, a water receiving disc 62 is arranged below the rolling brush 61, and a water retaining cover 67 wrapping the periphery of the rolling brush 61 is arranged on the conveying device 2; the main frame 1 is provided with a water tank 63 and a water pump 64, cleaning liquid is placed in the water tank 63, the water pan 62 is provided with a return pipe 66 connected to the water tank 63, the water pump 64 is connected to the water tank 63, and the water pump 64 is provided with a water supply pipe 65 engaged with the rolling brush 61.

The following is a specific working process of the utility model:

the transmission motor 22 drives the circuit board conveying chain 24 to run through a synchronous shaft 25; the two ends of the conveying device 2 are respectively connected with the connection table, the connection table conveys the circuit board to the conveying device 2 at one end, and the circuit board conveying chain 24 drives the circuit board to move towards the other end of the conveying device 2 and the connection table at the other end of the conveying device 2.

When the photoelectric sensor 21 detects that the circuit board enters the conveying device 2, the transverse moving servo motor 32 drives the nozzle frame 34 to move simultaneously in the same direction as the circuit board, the transverse moving servo motor 32 controls the moving speed of the nozzle frame 34 to move the three-proofing glue nozzle 45 to the position corresponding to the transverse axis of the circuit board to be coated, meanwhile, the transverse moving rotary encoder 35 records the moving stroke of the nozzle frame 34, the longitudinal moving servo motor 42 drives the nozzle frame to move, so that the three-proofing glue nozzle 45 moves to the position corresponding to the longitudinal axis of the circuit board to be coated, meanwhile, the longitudinal moving rotary encoder 46 records the moving stroke of the nozzle frame 34, and then, the nozzle frame coats the circuit board with the three-proofing glue.

The conveying device 2 drives the circuit board coated with the three-proofing glue to pass through the insulation box 5, and after the circuit board enters the insulation box 5, the infrared heating tube 51 heats and solidifies the three-proofing glue on the circuit board.

After the conveying device 2 drives the circuit board to penetrate through the heat insulation box 5, the conveying device 2 drives the circuit board which is heated and solidified to penetrate through the water blocking cover 67, at the moment, the water pump 64 conveys cleaning liquid in the water tank 63 to the rolling brush 61, the rolling brush 61 cleans the circuit board and the circuit board conveying chain 24, and liquid generated when the circuit board is cleaned falls into the water receiving tray 62 and flows back to the water tank 63.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a coating machine is glued to three proofings, its includes main frame (1), its characterized in that: the device is characterized in that a conveying device (2) used for supporting two sides of a circuit board is installed on a main frame (1), a photoelectric sensor (21) is installed at one end of the conveying device (2), a transverse moving slide rail (31) and a transverse moving servo motor (32) are installed below the conveying device (2), the transverse moving slide rail (31) is provided with a transverse moving slide block (33), a nozzle frame (34) is installed on the transverse moving slide block (33), the transverse moving servo motor (32) is provided with a transverse moving rotary encoder (35) and a transverse moving synchronous belt (36), the transverse moving synchronous belt (36) is connected with the nozzle frame (34), a longitudinal moving slide rail (41) and a longitudinal moving servo motor (42) are installed on the nozzle frame (34), a longitudinal moving slide rail (41) is provided with a longitudinal moving slide block (43), a nozzle collision seat (44) is installed on the longitudinal moving slide block (43), and a three-proofing adhesive nozzle (45) is installed on the nozzle collision seat (44), the longitudinal movement servo motor (42) is provided with a longitudinal movement rotary encoder (46) and a longitudinal movement synchronous belt (47), and the longitudinal movement synchronous belt (47) is connected with the nozzle touching base (44).

2. The coating machine of claim 1, wherein: an insulation can (5) is installed on the main frame (1), the conveying device (2) penetrates through the insulation can (5), and an infrared heating tube (51) is installed in the insulation can (5).

3. The coating machine of claim 2, wherein: the water collecting device is characterized in that a rolling brush (61) is installed at the other end of the conveying device (2), a water collecting tray (62) is installed below the rolling brush (61), a water tank (63) and a water pump (64) connected with the water tank (63) are installed on the main frame (1), the water pump (64) is provided with a water supply pipe (65) matched with the rolling brush (61), and a return pipe (66) connected with the water tank (63) is arranged on the water collecting tray (62).

4. The coating machine of claim 3, wherein: the top of conveyor (2) install with three proofings glue shower nozzle (45) complex suction line (11), the air exhauster is installed in suction line (11).

5. The coating machine of claim 4, wherein: and two heat preservation boxes (5) are arranged beside the spray head frame (34) side by side.

6. The coating machine of claim 5, wherein: and a water blocking cover (67) matched with the rolling brush (61) is arranged on the conveying device (2).

7. The coating machine of claim 6, wherein: a touch control screen (12) is installed on the main frame (1).

8. The machine of any one of claims 1 to 7, wherein: conveyor (2) including transmission motor (22), be used for holding in the palm track (23) of carrying circuit board both sides, track (23) are provided with circuit board and carry chain (24), transmission motor (22) with circuit board carries chain (24) transmission to be connected.

9. The coating machine of claim 8, wherein: the transmission motor (22) is provided with a synchronizing shaft (25) connected with the circuit board conveying chain (24).