CN220941344U

CN220941344U - Online selective spraying machine

Info

Publication number: CN220941344U
Application number: CN202322281352.6U
Authority: CN
Inventors: 谢玲球; 戴建国
Original assignee: Shenzhen Shundacheng Electronic Equipment Co ltd; Dongguan Shundacheng Automation Technology Co ltd
Current assignee: Shenzhen Shundacheng Electronic Equipment Co ltd; Dongguan Shundacheng Automation Technology Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-05-14
Anticipated expiration: 2033-08-24

Abstract

The utility model relates to an online selective sprayer which comprises a cabinet, a conveying mechanism, an exhaust mechanism and a spraying mechanism. Conveying mechanism, exhaust mechanism, spraying mechanism set up in the rack, the rosin that gives off can be controlled in the rack, exhaust mechanism's box setting that induced drafts is in material rail top, the box that induced drafts is followed the air exit with waste gas and is discharged, forms double-deck protection. During operation, negative pressure is formed in the cabinet, soldering flux cannot leak, and safety is higher. The spraying mechanism comprises an X-axis module and a Y-axis module; the X-axis module is arranged on the Y-axis module; and at least one first spray head is arranged on the X-axis module. Under the cooperation of the X-axis module and the Y-axis module, the first spray head can spray soldering flux on any local position of the material, so that accurate spraying is realized, and the soldering flux is saved.

Description

Online selective spraying machine

Technical Field

The utility model relates to the technical field of circuit board production, in particular to an online selective sprayer.

Background

The PCB needs to be coated with soldering flux before welding, and a selective sprayer is mostly adopted in sprayers used for coating the soldering flux on the PCB. Rosin flux is one of many fluxes, which are generally toxic, and the flux is sprayed on a circuit board after being atomized, and part of the flux is scattered in the air. If the soldering flux is directly diffused in the air, the environment can be polluted, and the health of personnel can be influenced.

Patent number: CN200920244803.6 is a selective sprayer, specifically discloses a "selective sprayer", including driving the conveying part that printed circuit board advances according to predetermined direction to and can spray the selective scaling powder coating part of scaling powder to printed circuit board, its characterized in that: the transmission component comprises a motor, a motor is arranged on a first rack, a power output shaft of the motor is connected with a driving shaft, a first driving sprocket and a second driving sprocket are arranged on the driving shaft, the first driving sprocket is connected with a first driven sprocket through a first special transmission chain, the second driving sprocket is connected with a second driven sprocket through a second special transmission chain, a guide rail I is arranged below the special transmission chain, a guide rail II is arranged below the second special transmission chain, a first lead screw and a first light bar, a second lead screw and a second light bar for adjusting the width between the guide rail I and the guide rail II are arranged between the guide rail I and the guide rail II in parallel, one ends of the first lead screw and the second lead screw are connected with a worm gear mechanism, one end of a worm of the worm gear mechanism is provided with a handle, and the other end of the worm is fixed on a support I; the selective flux coating component comprises an automatic spray gun which is arranged on a Z-direction moving mechanism, the Z-direction moving mechanism is arranged on an X-direction moving mechanism, the X-direction moving mechanism is arranged on a Y-direction moving mechanism, and the Y-direction moving mechanism is arranged on a second bracket. The safety is poor, and part of the automatic spray gun sprayed out of the automatic spray gun can be dispersed in the air, so that the personnel safety can be influenced.

Disclosure of utility model

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and it is a primary object of the present utility model to provide an on-line selective spray machine, which can prevent flux from being dispersed in space, and has high safety, so as to overcome the drawbacks of the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The application provides an online selective sprayer which comprises a cabinet, wherein a feeding opening and a discharging opening are arranged on the cabinet; a conveying mechanism, an exhaust mechanism and a spraying mechanism are arranged in the cabinet; the conveying mechanism is arranged between the air exhaust mechanism and the spraying mechanism;

The conveying mechanism comprises material rails which are arranged at intervals; the material is conveyed on the material rail, and a sensor is further arranged on the motion track of the material;

The spraying mechanism comprises an X-axis module and a Y-axis module; the X-axis module is arranged on the Y-axis module; at least one first spray head is arranged on the X-axis module; the first spray head faces the material conveyed on the material rail;

The exhaust mechanism comprises an air suction box; the induced draft box is arranged above the material rail and is provided with an exhaust outlet for exhausting waste gas.

Preferably, the material rail is provided with a material conveying chain for conveying materials; the output end of the first servo motor drives the conveying chain.

Preferably, a cleaning mechanism is arranged on the material rail, and the cleaning mechanism comprises a cleaning tank, a cleaning tank and a second spray head; the second spray head is arranged in the cleaning tank and faces the conveying chain, and the second spray head is connected with the cleaning tank.

Preferably, the output end of the first servo motor is connected with an encoder, and the encoder is connected with the spraying mechanism.

Preferably, the head end and the tail end of the material rail are provided with width adjusting screw rods.

Preferably, the X-axis module comprises a second servo motor, a first driving belt, a first sliding rail and a first sliding block, wherein the output end of the second servo motor drives the first driving belt, the first sliding block is arranged on the first sliding rail and connected with the first driving belt, and the first spray head is arranged on the first sliding block; the Y-axis module comprises a third servo motor, a second driving belt, a second sliding rail and a second sliding block; the output end of the third servo motor drives the second driving belt; the second sliding block is arranged on the second sliding rail and connected with the second driving belt; the X-axis module is arranged on the second sliding block.

Preferably, a filter screen is further arranged in the air suction box.

Preferably, the first spray head is located in the working groove, and an opening of the working groove is in a horn shape.

Preferably, the first spray head is connected to the paint tank, and the height of the paint tank is higher than that of the first spray head.

Compared with the prior art, the online selective sprayer has obvious advantages and beneficial effects, and particularly, the online selective sprayer comprises a cabinet, a conveying mechanism, an exhaust mechanism and a spraying mechanism. Conveying mechanism, exhaust mechanism, spraying mechanism set up in the rack, the rosin that gives off can be controlled in the rack, exhaust mechanism's box setting that induced drafts is in material rail top, the box that induced drafts is discharged exhaust outlet from the air exit, double-deck protection forms the negative pressure in the rack, and scaling powder can not reveal, and the security is higher.

The spraying mechanism comprises an X-axis module and a Y-axis module; the X-axis module is arranged on the Y-axis module; and at least one first spray head is arranged on the X-axis module. The first spray head can spray soldering flux on any local position of the material, so that the soldering flux can be precisely sprayed, and the soldering flux is saved.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model.

FIG. 2 is a schematic view of a portion of the structure of an embodiment of the present utility model.

FIG. 3 is a schematic view of a portion of the structure of an embodiment of the present utility model.

FIG. 4 is a schematic view of the arrangement of the conveying mechanism, the exhaust mechanism and the spraying mechanism according to the embodiment of the utility model.

FIG. 5 is a schematic view of a spray mechanism according to an embodiment of the present utility model.

FIG. 6 is a schematic view of a portion of a spray mechanism according to an embodiment of the present utility model.

FIG. 7 is a schematic view of a portion of a spray mechanism according to an embodiment of the present utility model.

FIG. 8 is an exploded view of an exhaust mechanism according to an embodiment of the present utility model.

FIG. 9 is a schematic diagram of a conveying mechanism according to an embodiment of the present utility model.

The attached drawings are used for identifying and describing:

10. cabinet 11, feed opening

20. Conveying mechanism 21 and material rail

22. Sensor 23, first servomotor

24. Encoder 25, width adjusting screw rod

26. Hand wheel 30 and cleaning mechanism

31. Cleaning tank 32 and cleaning tank

50. Air exhausting mechanism 51 and air suction box

52. Air outlet 53, filter screen

40. Spraying mechanism 41, first nozzle

42. Paint tank 43, working tank

410. X-axis module 411 and second servo motor

412. First driving belt 413 and first sliding rail

414. First slider 420, Y-axis module

421. Third servo motor 422, second drive belt

423. A second slide 424, a second slider.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 to 9, which show the specific structure of the preferred embodiment of the present utility model, an on-line selective sprayer is shown.

Wherein the conveying mechanism 20, the exhaust mechanism 50 and the spraying mechanism 40 are arranged in the cabinet 10; in operation, the exhaust mechanism 50 pumps exhaust gas in the cabinet 10, negative pressure is formed in the cabinet 10, the exhaust gas cannot run out, and the safety is higher. The first nozzle 41 of the spray mechanism 40 selects a spray position of the material (of the circuit board), and the spray position is more accurate and saves soldering flux.

Referring to fig. 1-4, the present application provides an online selective sprayer, which comprises a cabinet 10, wherein a feeding opening and a discharging opening 11 are arranged on the cabinet 10; a conveying mechanism 20, an exhaust mechanism 50 and a spraying mechanism 40 are arranged in the cabinet 10; the conveying mechanism 20 is arranged between the air exhausting mechanism 50 and the spraying mechanism 40. The left side of the cabinet 10 is provided with a feed opening, and the right side of the cabinet 10 is provided with a feed opening 11. The conveying mechanism 20 sends materials (circuit boards) into the cabinet 10, the spraying mechanism 40 sprays soldering flux on the moving materials, and the exhaust mechanism 50 exhausts exhaust gas in the cabinet 10.

The conveying mechanism 20 comprises material rails 21 which are arranged at intervals; the material is conveyed on the material rail 21, and a sensor 22 is further arranged on the motion track of the material. A material channel is formed between the two material rails 21. The material rail 21 is provided with a material conveying chain for conveying materials; the output of the first servomotor 23 drives a conveyor chain, which conveys the material without any movement. The sensor 22 can monitor the movement position of the material at all times as the material moves so that the conveyor chain and the spraying mechanism 40 cooperate.

The spray mechanism 40 includes an X-axis module 410, a Y-axis module 420; the X-axis module 410 is disposed on the Y-axis module 420; at least one first nozzle 41 is disposed on the X-axis module 410; the first nozzle 41 is directed towards the material being transported on the material rail 21. The X-axis module 410 and the Y-axis module 420 are matched, the first nozzle 41 can move in the XY-axis direction, and the moving materials can be precisely sprayed. The number of the first heads 41 may be 1, 2, a plurality, or the like, as required.

The exhaust mechanism 50 includes an air suction box 51; the air suction box 51 is arranged above the material rail 21, and the air suction box 51 is provided with an air outlet 52 for discharging waste gas. The air suction box 51 covers the upper part of the material rail 21, the air outlet 52 is connected with a fan, and the fan continuously pumps the waste gas in the cabinet 10 for centralized treatment.

Preferably, the material rail 21 is further provided with a cleaning mechanism 30, and the cleaning mechanism 30 includes a cleaning tank 31, a cleaning tank 32, and a second nozzle; the second spray head is arranged on the cleaning tank 31 and faces the conveying chain, and is connected with the cleaning tank 32. The cleaning tank 32 contains cleaning liquid. The cleaning liquid is sprayed from the second spray head after the cleaning liquid in the cleaning tank 32 to clean the conveying chain, and then the cleaning tank 31 receives the cleaning liquid. More preferably, the cleaning tank 31 is provided with the filter screen 53, and the filtered cleaning liquid is returned to the cleaning tank 32 for reuse, so that the cleaning liquid utilization efficiency can be improved.

Referring to fig. 8, preferably, an encoder 24 is connected to the output end of the first servo motor 23, and the encoder 24 is connected to the spraying mechanism 40. The encoder 24 facilitates the cooperative work of the conveyor chain and the spraying mechanism 40, so that the cooperation of the conveyor chain and the spraying mechanism is more coordinated and more accurate.

Preferably, the head and tail ends of the material rail 21 are provided with width adjusting screw rods 25. The two width adjusting screw rods 25 are connected to a transmission shaft which is connected with a driving shaft, and a hand wheel 26 is arranged on the driving shaft. The space between the two material rails 21 can be adjusted by rotating the hand wheel 26 so as to adapt to materials (circuit boards) with different sizes, and the universality is stronger.

Referring to fig. 6-7, preferably, the X-axis module 410 includes a second servo motor 411, a first driving belt 412, a first sliding rail 412, and a first slider 414, wherein an output end of the second servo motor 411 drives the first driving belt 412, the first slider 414 is disposed on the first sliding rail 412, and the first slider 414 is connected to the first driving belt 412, and the first nozzle 41 is disposed on the first slider 414. The second servo motor 411 drives the first slider 414 to move back and forth in the first sliding rail 412 through the first driving belt 412, so that the first nozzle 41 can move back and forth in the X-axis direction.

Referring to fig. 6-7, the Y-axis module 420 includes a third servo motor 421, a second driving belt 422, a second sliding rail 423, and a second sliding block 424; the output end of the third servo motor 421 drives the second driving belt 422; the second slider 424 is disposed on the second sliding rail 423, and the second slider 424 is connected to the second driving belt 422; the X-axis module 410 is disposed on the second slider 424. The third servo motor 421 drives the second slider 424 to move back and forth on the second sliding rail 423 through the second driving belt 422. The X-axis module 410 is movable in the Y-axis direction, i.e., the first showerhead 41 is also movable back and forth in the Y-axis direction. Under the cooperation of the X-axis module 410 and the Y-axis module 420, the first nozzle 41 can precisely spray the material, so that the flux is greatly saved.

As shown in fig. 8, preferably, a filter 53 is further disposed in the suction box 51. The filter 53 can filter out toxic gas, thereby improving environmental safety.

Referring to fig. 5, preferably, the first nozzle 41 is movably disposed in the working groove 43, and an opening of the working groove 43 is in a horn shape. This design is advantageous in that flux is allowed to fall intensively into the working groove 43, avoiding flux splashing.

Referring to fig. 3, preferably, the first spray head 41 is connected to a paint tank 42, and the height of the paint tank 42 is higher than that of the first spray head 41. The paint can 42 contains flux. The flux is preferably a rosin flux. The height of the paint tank 42 is higher than that of the first spray head 41, which is more favorable for spraying the soldering flux.

In summary, the design of the present utility model is focused on that the rosin emitted by the device is controlled in the cabinet 10, and the exhaust box 51 discharges the exhaust gas from the exhaust port 52, so as to form a double-layer protection. In addition, the spraying mechanism 40 is matched with the X-axis module 410 and the Y-axis module 420, and the first spray head 41 can spray soldering flux on any local position of the materials, so that the spraying can be accurately performed, and the soldering flux is saved.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. An on-line selective sprayer, characterized in that: the device comprises a cabinet, wherein a feeding port and a discharging port are arranged on the cabinet; a conveying mechanism, an exhaust mechanism and a spraying mechanism are arranged in the cabinet; the conveying mechanism is arranged between the air exhaust mechanism and the spraying mechanism;

2. An in-line selective spray machine as claimed in claim 1, wherein: the material rail is provided with a material conveying chain for conveying materials; the output end of the first servo motor drives the conveying chain.

3. An in-line selective spray machine as claimed in claim 2, wherein: the material rail is provided with a cleaning mechanism, and the cleaning mechanism comprises a cleaning tank, a cleaning tank and a second spray head; the second spray head is arranged in the cleaning tank and faces the conveying chain, and the second spray head is connected with the cleaning tank.

4. An in-line selective spray machine as claimed in claim 2, wherein: the output end of the first servo motor is connected with an encoder, and the encoder is connected with the spraying mechanism.

5. An in-line selective spray machine as claimed in claim 2, wherein: the head end and the tail end of the material rail are provided with width adjusting screw rods.

6. The in-line selective spray machine of any one of claims 1-5, wherein: the X-axis module comprises a second servo motor, a first driving belt, a first sliding rail and a first sliding block, wherein the output end of the second servo motor drives the first driving belt, the first sliding block is arranged on the first sliding rail and connected with the first driving belt, and the first spray head is arranged on the first sliding block;

The Y-axis module comprises a third servo motor, a second driving belt, a second sliding rail and a second sliding block; the output end of the third servo motor drives the second driving belt; the second sliding block is arranged on the second sliding rail and connected with the second driving belt; the X-axis module is arranged on the second sliding block.

7. The on-line selective sprayer of claim 1, wherein: a filter screen is also arranged in the air suction box.

8. The on-line selective sprayer of claim 1, wherein: the first spray head is positioned in the working groove, and the opening of the working groove is in a horn shape.

9. The in-line selective sprayer according to claim 1 or 8, wherein: the first shower nozzle is connected at the paint tank, the paint tank highly be higher than the height of first shower nozzle.