Device for drying circuit board

By designing a drying device with multiple adjustment mechanisms and heating and drying systems, the problem of uneven drying of circuit boards during large-scale processing is solved, and uniform drying and efficient drying of circuit boards of different specifications is achieved.

CN119268271AActive Publication Date: 2025-01-07KUNSHAN DUODA HIGH TECH ELECTRONICS CO LTD
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Patent Information

Application Number
CN202411518890.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-01-07
Estimated Expiration
2044-10-29

AI Technical Summary

Technical Problem

The prior art is difficult to achieve uniform drying of the circuit board when drying the circuit board, especially when a large number of circuit boards are processed, the position and angle of the circuit board cannot be effectively supported and adjusted, resulting in uneven drying.

Method used

A drying device including a box, a cover plate, a side plate, a moving plate, a bracket, an angle adjustment mechanism, a position adjustment mechanism and a heating and drying system are designed. The circuit board is limited and heightened by a variety of adjustment mechanisms. Accurate adjustment of angles and uniform drying with heating plate and airflow.

Benefits of technology

Achieve uniform drying of circuit boards of different specifications. Through the use of the adjustment mechanism, it can adapt to the fixing and position adjustment of circuit boards of various specifications, ensure sufficient drying of circuit boards, and improve drying efficiency and effect through heating and air flow treatment. .

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention belongs to the technical field of circuit board drying, and particularly relates to a circuit board drying device which comprises a box body, a cover plate is rotatably connected to the outer wall of one side of the box body, side plates are fixedly connected to the two sides of the inner wall of the box body, a moving plate is arranged at one end of each side plate, and a pulling mechanism is arranged between each moving plate and the corresponding side plate. A support is arranged on the outer wall of the movable plate, and a height adjusting mechanism is arranged between the support and the movable plate. According to the circuit board drying device, the vertical rods and the frame of the vertical rods can be rotationally adjusted, so that a circuit board can be uniformly dried, the heights of the transverse plate and the vertical rods can be adjusted by arranging the height adjusting mechanism between the transverse plate and the movable plate, and the left-right height of the transverse plate can be further adjusted; by arranging the first angle adjusting mechanism at the bottom of the support, the transverse plate can have the front-back angle adjusting capacity, and therefore it is guaranteed that the circuit board can be fully and evenly dried.
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Description

Technical Field

[0001] The invention relates to the technical field of circuit board drying, and in particular to a device for drying circuit boards. Background Art

[0002] Electronic component assemblies include circuit boards, double-sided circuit boards, IC carriers, multi-layer printed circuit boards, printed circuit boards, etc. These electronic component assemblies are the core components of the controller and can play an important role. The production of circuit boards includes electroplating process, etching process, cleaning process and drying process. The purpose of the electroplating process is to electroplate a layer of copper on the two large end faces of the circuit board; the purpose of the etching process is to transport the circuit board to the etching process after the copper layer is formed, so as to form the circuit on the copper layer; the purpose of the cleaning process is to clean the etching liquid attached to the surface of the circuit board after the circuit is etched; the purpose of the drying process is to thoroughly dry the residual moisture attached to the two large end faces of the circuit board, so as to finally obtain a qualified finished circuit board.

[0003] In the drying process, the worker's drying operation steps are to place the bottom surface of the cleaned circuit board flat in the drying tunnel, and support the bottom surface of the circuit board with a pad, and then close the door of the drying tunnel, and use the heat in the drying tunnel to dry the moisture attached to the surface of the circuit board. After drying for a period of time, the circuit board can be taken out of the drying tunnel, thus completing the drying operation of the circuit board. However, this method is inconvenient for placing the circuit boards separately, and when drying a large number of circuit boards, it cannot dry the circuit boards more evenly. Summary of the invention

[0004] Based on the technical problem that it is inconvenient to place the circuit boards separately and it is not possible to dry the circuit boards uniformly when drying a large number of circuit boards, the present invention proposes a device for drying circuit boards.

[0005] The device for drying circuit boards proposed in the present invention comprises a box body, an outer wall of one side of the box body is rotatably connected with a cover plate, side plates are fixedly connected to both sides of the inner wall of the box body, a movable plate is arranged at one end of the side plate, a pulling mechanism is arranged between the movable plate and the side plate, a bracket is arranged on the outer wall of the movable plate, a height adjustment mechanism is arranged between the bracket and the movable plate, a first angle adjustment mechanism is arranged at the bottom of the bracket, a cross plate is rotatably connected between the two ends of the bracket, a vertical rod is arranged at the bottom of the cross plate, a second angle adjustment mechanism is arranged between the vertical rod and the cross plate, a plurality of equipment racks are arranged on the outer wall of the vertical rod, a position adjustment mechanism is arranged between the equipment rack and the vertical rod, a circuit board limiting mechanism is arranged on the inner wall of the equipment rack, a rotating air intake mechanism is arranged at the bottom of the inner wall of the box body, a heating and drying mechanism is arranged on one side of the inner wall of the box body, and an airflow exhaust mechanism is arranged at the top of the box body.

[0006] Preferably, the pulling mechanism includes a first moving block and a second bolt, an outer wall of the side plate is provided with an adjustment groove, the first moving block and the adjustment groove are slidably connected, the first moving block and the side plate are fixedly connected, and the second bolt and the first moving block are threadedly connected.

[0007] Preferably, the height adjustment mechanism includes a first slider and a first threaded screw, a first sliding groove is opened on the outer wall of the movable plate, the first slider and the first sliding groove are slidably connected, the first slider and the first threaded screw are threadedly connected, a third motor is fixedly connected to the bottom of the first threaded screw, the third motor is fixedly connected to the movable plate, and the first slider and the bracket are rotatably connected.

[0008] Preferably, the first angle adjustment mechanism includes a second electric push rod and a second movable block, a second movable groove is opened at the bottom of the bracket, the second movable block is slidingly connected to both sides of the inner wall of the second movable groove, the bottom of the second movable block is rotatably connected to the second electric push rod, the bottom of the second electric push rod is fixedly connected to a base plate, and the base plate and the first slider are fixedly connected.

[0009] Preferably, the second angle adjustment mechanism includes a first electric push rod and a first movable block, a groove is provided on the outer wall of the horizontal plate, a rotating plate is rotatably connected to the inner wall of the groove, a fixed plate is fixedly connected to the outer wall of one end of the rotating plate, a first movable groove is provided on the outer wall of the fixed plate, the first movable block is slidably connected to the inner wall of the first movable groove, the other end of the first movable block is rotatably connected to the first electric push rod, the first electric push rod is fixedly connected to the inner wall of the groove, a second motor is fixedly connected to the top of the rotating plate, a mounting plate is fixedly connected to the bottom of the second motor, a plurality of first bolts are threadedly connected to the top of the mounting plate, and the first bolts are threadedly connected to the vertical rod.

[0010] Preferably, the position adjustment mechanism includes a second slider and a fourth motor, a plurality of second sliding grooves are opened on the outer wall of the vertical rod, the second slider is slidably connected to the second sliding grooves, the second slider is threadedly connected to a second threaded screw rod, the bottom of the second threaded screw rod is fixedly connected to the fourth motor, the fourth motor is fixedly connected to the vertical rod, and the second slider is fixedly connected to the equipment frame.

[0011] Preferably, the circuit board limiting mechanism includes a driving motor and a frame, the driving motor and the inner wall of the equipment frame are fixedly connected, the driving motor and the frame are fixedly connected, transverse grooves are provided on both sides of the inner wall of the frame, a plurality of second moving blocks are slidably connected to the inner wall of the transverse groove, the second moving blocks are fixedly connected to a connecting plate, a plurality of second springs are fixedly connected to the outer wall of the connecting plate, the other side of the second spring is fixedly connected to a limiting plate, the limiting plate is provided with a groove, a splint is provided on the inner wall of the groove, the splint is rotatably connected to a screw, and the screw and the limiting plate are threadedly connected.

[0012] Preferably, the rotating air intake mechanism includes an air pump and a rotating shaft, a bottom box is fixedly connected to the bottom of the box body, a transfer box is fixedly connected to the bottom of the bottom box, a first motor is fixedly connected to the bottom of the transfer box, the top of the first motor is fixedly connected to the rotating shaft, the air pump and the outer wall of the transfer box are fixedly connected, air guide cavities are respectively opened at the top and bottom of the inner wall of the rotating shaft, an air guide hole is opened on the outer wall of the rotating shaft, the air guide hole is located inside the transfer box, a plurality of air guide pipes are fixedly connected to the outer wall of the rotating shaft, the air guide pipes are located at the bottom of the inner wall of the bottom box, a discharge pipe is fixedly connected to the bottom of the bottom box, a scraper is fixedly connected to the outer wall of the rotating shaft, the scraper and the inner wall of the bottom box are naturally in contact, a plurality of suction pipes are arranged on the top of the inner wall of the bottom box, a guide cover is fixedly connected to the bottom of the suction pipe, the suction pipe and the air guide cavity are fixedly connected, an air guide plate is fixedly connected to the top of the rotating shaft, the air guide plate is located at the bottom of the vertical rod, and a plurality of air outlet pipes are fixedly connected to the top of the air guide plate.

[0013] Preferably, the heating and drying mechanism includes a back plate and a heating plate, an outer wall at one end of the box is fixedly connected to an electric control device, the back plate is rotatably connected to one side of the inner wall of the box, the back plate is arranged in an arc shape, a plurality of first springs are fixedly connected to both ends of the outer wall of one side of the back plate, the other side of the first spring is fixedly connected to the inner wall of the box, the heating plate is fixedly connected to the outer wall of the back plate, and the heating plate is electrically connected to the electric control device.

[0014] Preferably, the airflow discharge mechanism includes an exhaust pipe and an exhaust fan, the exhaust pipe is fixedly connected to the outer wall of the top of the box body, the bottom of the exhaust pipe is fixedly connected with an air suction hood, the exhaust fan is fixedly connected to the bottom of the inner wall of the exhaust pipe, a baffle cover is provided on the top of the exhaust pipe, a plurality of connecting rods are fixedly connected to the bottom of the baffle cover, the bottom of the connecting rods is fixedly connected to the box body, a liquid collecting tank is provided at the bottom of the baffle cover, and the liquid collecting tank is fixedly connected to the top of the box body.

[0015] Compared with the prior art, the present invention provides a device for drying a circuit board, which has the following beneficial effects:

[0016] 1. A device for drying circuit boards, by providing a circuit board limiting mechanism outside the equipment frame, can use the frame to limit and fix multiple circuit boards of different specifications, and enable the circuit boards to have position adjustment capabilities. By providing a position adjustment mechanism between the equipment frame and the vertical rod, the frame can have height adjustment capabilities. By providing a second angle adjustment mechanism between the vertical rod and the horizontal plate, not only can the vertical rod have left and right rotation adjustment capabilities, but also the vertical rod and its frame can have rotation adjustment capabilities, so that the circuit boards can be evenly dried. By providing a height adjustment mechanism between the horizontal plate and the movable plate, not only can the height of the horizontal plate and the vertical rod be adjusted, but also the left and right height of the horizontal plate can be further adjusted. By providing a first angle adjustment mechanism at the bottom of the bracket, the horizontal plate can have front and rear angle adjustment capabilities, thereby ensuring that the circuit boards can be fully and evenly dried.

[0017] 2. The device for drying circuit boards introduces air flow into the transfer box by arranging an air pump, and air guide cavities are provided at the top and bottom of the inner wall of the rotating shaft, and air guide holes are provided, so that the air flow can be introduced into the air guide pipe and finally enter the bottom box. A large amount of drying material is arranged in the bottom box, and the entering air flow can be fully dried. The rotating shaft is driven to rotate by arranging a first motor, so that the air guide pipe can be driven to stir the drying material, so that the contact between the air flow and the drying material can be promoted to ensure the drying effect. The dried air flow can be introduced into the inner wall of the air guide plate through the air guide cavity by arranging multiple air suction pipes and air guide covers, and finally ejected from multiple air outlet pipes on the top of the air guide plate, and the box body is subjected to rotational jet jet treatment, and the circuit board is air-dried with dry gas.

[0018] 3. This device for drying circuit boards can utilize multiple heating plates to heat and dry the rotating circuit boards by providing a back plate rotatably connected to one side of the box body, and the back plate and the inner wall of the box body are connected and fixed by multiple first springs. When the frame rotates, it contacts and squeezes the back plate, so that the heating plate can be displaced, thereby increasing the heating and drying range. By providing an exhaust fan in the exhaust pipe, the steam generated by the drying in the box body can be extracted in time together with the airflow to ensure the drying effect of the circuit boards. By providing a shield on the top of the exhaust pipe, not only the exhaust pipe can be shielded and protected, but also the discharged steam can be contacted and condensed, so that the condensed liquid drips into the liquid collecting tank to collect the water vapor to avoid affecting the humidity of the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of a device for drying a circuit board proposed by the present invention;

[0020] Figure 2 This is a schematic diagram of the bottom main structure of a device for drying a circuit board proposed by the present invention;

[0021] Figure 3 A schematic diagram of the side cross-section structure of a device for drying a circuit board proposed by the present invention;

[0022] Figure 4 This is a schematic diagram of the main structure of an airflow discharge mechanism of a device for drying circuit boards proposed by the present invention;

[0023] Figure 5 This is a schematic diagram of the internal main structure of a device for drying a circuit board proposed by the present invention;

[0024] Figure 6 for Figure 5 A is an enlarged schematic diagram of the structure;

[0025] Figure 7This is a schematic diagram of a partial main structure of a device for drying a circuit board proposed by the present invention;

[0026] Figure 8 The present invention provides a schematic diagram of the cross-sectional structure of the rotating shaft of a device for drying circuit boards.

[0027] In the figure: 1 box body, 2 cover plate, 3 vertical rod, 4 bottom box, 5 electric control equipment, 6 discharge pipe, 7 adapter box, 8 first motor, 9 air pump, 10 heating plate, 11 first spring, 12 back plate, 13 air guide pipe, 14 scraper, 15 rotating shaft, 16 exhaust pipe, 17 baffle, 18 connecting rod, 19 collecting tank, 20 exhaust fan, 21 suction cover, 22 side plate, 23 adjustment slot, 24 first moving block, 25 bracket, 26 first slider, 27 moving plate, 28 first threaded screw, 29 first slide, 30 mounting plate, 31 first bolt, 32 rotating plate, 33 second motor, 34 fixed plate, 35 The first movable groove, 36 the first movable block, 37 the first electric push rod, 38 the transverse plate, 39 the missing groove, 40 the third motor, 41 the second bolt, 42 the transverse groove, 43 the second movable block, 44 the clamping plate, 45 the limiting plate, 46 the connecting plate, 47 the second spring, 48 the driving motor, 49 the equipment frame, 50 the frame, 51 the screw, 52 the second movable block, 53 the second movable groove, 54 the second electric push rod, 55 the bottom plate, 56 the second slider, 57 the fourth motor, 58 the second threaded screw, 59 the second slide groove, 60 the air guide hole, 61 the air guide cavity, 62 the air guide plate, 63 the air outlet pipe, 64 the air intake pipe, 65 the air guide cover. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] Reference Figure 1-8, a device for drying circuit boards, comprising a box body 1, a cover plate 2 is rotatably connected to the outer wall of one side of the box body 1, side plates 22 are fixedly connected to both sides of the inner wall of the box body 1, a movable plate 27 is arranged at one end of the side plate 22, a pulling mechanism is arranged between the movable plate 27 and the side plate 22, a bracket 25 is arranged on the outer wall of the movable plate 27, a height adjustment mechanism is arranged between the bracket 25 and the movable plate 27, a first angle adjustment mechanism is arranged at the bottom of the bracket 25, a horizontal plate 38 is rotatably connected between the two ends of the bracket 25, a vertical rod 3 is arranged at the bottom of the horizontal plate 38, a second angle adjustment mechanism is arranged between the vertical rod 3 and the horizontal plate 38, a plurality of equipment racks 49 are arranged on the outer wall of the vertical rod 3, a position adjustment mechanism is arranged between the equipment rack 49 and the vertical rod 3, a circuit board limiting mechanism is arranged on the inner wall of the equipment rack 49, a rotating air intake mechanism is arranged at the bottom of the inner wall of the box body 1, a heating and drying mechanism is arranged on one side of the inner wall of the box body 1, and an airflow exhaust is arranged at the top of the box body 1 By setting a circuit board limiting mechanism outside the equipment frame 49, the frame 50 can be used to limit and fix multiple circuit boards of different specifications, and the circuit boards can have the ability to adjust their positions. By setting a position adjustment mechanism between the equipment frame 49 and the vertical rod 3, the frame 50 can have the ability to adjust the height. By setting a second angle adjustment mechanism between the vertical rod 3 and the horizontal plate 38, not only can the vertical rod 3 have the ability to rotate left and right, but also the vertical rod 3 and its frame 50 can have rotation adjustment, so that the circuit boards can be evenly dried. By setting a height adjustment mechanism between the horizontal plate 38 and the movable plate 27, not only can the height of the horizontal plate 38 and the vertical rod 3 be adjusted, but also the left and right height of the horizontal plate 38 can be further adjusted. By setting a first angle adjustment mechanism at the bottom of the bracket 25, the horizontal plate 38 can have the ability to adjust the front and rear angles, thereby ensuring that the circuit boards can be fully and evenly dried.

[0030] In the present invention, the pulling mechanism includes a first moving block 24 and a second bolt 41, an outer wall of the side plate 22 is provided with an adjustment slot 23, the first moving block 24 is slidably connected to the adjustment slot 23, the first moving block 24 is fixedly connected to the side plate 22, and the second bolt 41 is threadedly connected to the first moving block 24, so as to facilitate pulling out the horizontal plate 38 and the vertical rod 3 to install and take out the circuit board;

[0031] The height adjustment mechanism includes a first slider 26 and a first threaded screw 28. A first slide groove 29 is provided on the outer wall of the movable plate 27. The first slider 26 and the first slide groove 29 are slidably connected. The first slider 26 and the first threaded screw 28 are threadedly connected. A third motor 40 is fixedly connected to the bottom of the first threaded screw 28. The third motor 40 and the movable plate 27 are fixedly connected. The first slider 26 and the bracket 25 are rotatably connected. By setting a height adjustment mechanism between the horizontal plate 38 and the movable plate 27, not only the height of the horizontal plate 38 and the vertical rod 3 can be adjusted, but also the left and right height of the horizontal plate 38 can be further adjusted.

[0032] The first angle adjustment mechanism includes a second electric push rod 54 and a second movable block 52. A second movable groove 53 is provided at the bottom of the bracket 25. The second movable block 52 is slidably connected to both sides of the inner wall of the second movable groove 53 respectively. The bottom of the second movable block 52 is rotatably connected to the second electric push rod 54. The bottom of the second electric push rod 54 is fixedly connected to a bottom plate 55. The bottom plate 55 is fixedly connected to the first slider 26. By setting the first angle adjustment mechanism at the bottom of the bracket 25, the horizontal plate 38 can be adjusted in front and back angles, thereby ensuring that the circuit board can be fully and evenly dried.

[0033] The second angle adjustment mechanism includes a first electric push rod 37 and a first movable block 36. A notch 39 is provided on the outer wall of the horizontal plate 38. The inner wall of the notch 39 is rotatably connected to the rotating plate 32. The outer wall of one end of the rotating plate 32 is fixedly connected to the fixed plate 34. The outer wall of the fixed plate 34 is provided with a first movable groove 35. The first movable block 36 is slidably connected to the inner wall of the first movable groove 35. The other end of the first movable block 36 is rotatably connected to the first electric push rod 37. The first electric push rod 37 is fixedly connected to the inner wall of the notch 39. The top of the rotating plate 32 is fixedly connected to the second motor 33. The bottom of the second motor 33 is fixedly connected to the mounting plate 30. The top of the mounting plate 30 is threadedly connected with a plurality of first bolts 31. The first bolts 31 are threadedly connected to the vertical rod 3. By setting the second angle adjustment mechanism between the vertical rod 3 and the horizontal plate 38, not only can the vertical rod 3 have the ability to rotate left and right, but also the vertical rod 3 and its frame 50 can be rotated and adjusted, so that the circuit board can be evenly dried.

[0034] The position adjustment mechanism includes a second slider 56 and a fourth motor 57. A plurality of second slide grooves 59 are provided on the outer wall of the vertical rod 3. The second slider 56 and the second slide groove 59 are slidably connected. The second slider 56 is threadedly connected with a second threaded screw 58. The bottom of the second threaded screw 58 is fixedly connected to the fourth motor 57. The fourth motor 57 is fixedly connected to the vertical rod 3. The second slider 56 is fixedly connected to the equipment frame 49. By setting a position adjustment mechanism between the equipment frame 49 and the vertical rod 3, the frame 50 can have a height adjustment capability.

[0035] The circuit board limiting mechanism includes a driving motor 48 and a frame 50. The driving motor 48 is fixedly connected to the inner wall of the equipment frame 49. The driving motor 48 is fixedly connected to the frame 50. Both sides of the inner wall of the frame 50 are provided with transverse grooves 42. A plurality of second moving blocks 43 are slidably connected to the inner wall of the transverse groove 42. The second moving blocks 43 are fixedly connected to a connecting plate 46. A plurality of second springs 47 are fixedly connected to the outer wall of the connecting plate 46. The other side of the second spring 47 is fixedly connected to a limiting plate 45. The limiting plate 45 is provided with a groove. A clamping plate 44 is provided on the inner wall of the groove. The clamping plate 44 is rotatably connected to a screw 51. The screw 51 and the limiting plate 45 are threadedly connected. By setting a circuit board limiting mechanism outside the equipment frame 49, the frame 50 can be used to limit and fix a plurality of circuit boards of different specifications, and the circuit boards can have position adjustment capability.

[0036] The rotating air intake mechanism includes an air pump 9 and a rotating shaft 15. The bottom of the box body 1 is fixedly connected to the bottom box 4, the bottom of the bottom box 4 is fixedly connected to the adapter box 7, the bottom of the adapter box 7 is fixedly connected to the first motor 8, the top of the first motor 8 is fixedly connected to the rotating shaft 15, the air pump 9 is fixedly connected to the outer wall of the adapter box 7, the top and bottom of the inner wall of the rotating shaft 15 are respectively provided with air guide cavities 61, the outer wall of the rotating shaft 15 is provided with air guide holes 60, the air guide holes 60 are located inside the adapter box 7, and the rotating shaft The outer wall of the rotating shaft 15 is fixedly connected with a plurality of air guide pipes 13, the air guide pipes 13 are located at the bottom of the inner wall of the bottom box 4, the bottom of the bottom box 4 is fixedly connected with a discharge pipe 6, the outer wall of the rotating shaft 15 is fixedly connected with a scraper 14, the scraper 14 is in natural contact with the inner wall of the bottom box 4, a plurality of air suction pipes 64 are arranged on the top of the inner wall of the bottom box 4, the bottom of the air suction pipe 64 is fixedly connected with a guide cover 65, the air suction pipe 64 is fixedly connected with the air guide cavity 61, the top of the rotating shaft 15 is fixedly connected with an air guide plate 62, the air guide plate 6 2 is located at the bottom of the vertical rod 3, and a plurality of air outlet pipes 63 are fixedly connected to the top of the air guide plate 62. The air pump 9 is provided to introduce air into the transfer box 7. The top and bottom of the inner wall of the rotating shaft 15 are provided with air guide cavities 61 and air guide holes 60, so that the air flow can be introduced into the air guide pipe 13 and finally enter the bottom box 4. A large amount of drying material is provided in the bottom box 4, and the air flow entering can be fully dried. The rotating shaft 15 is driven to rotate by the first motor 8, so that the air guide pipe 13 can be driven to stir the drying material, so that the contact between the air flow and the drying material can be promoted to ensure the drying effect. The dried air flow can be introduced into the inner wall of the air guide plate 62 through the air guide cavity 61 by providing a plurality of air suction pipes 64 and a guide cover 65, and finally ejected from the plurality of air outlet pipes 63 on the top of the air guide plate 62, and the rotating jet jet is processed in the box body 1, and the circuit board is air-dried by the dry gas.

[0037] The heating and drying mechanism includes a back plate 12 and a heating plate 10, an outer wall at one end of the box body 1 is fixedly connected to an electric control device 5, the back plate 12 is rotatably connected to one side of the inner wall of the box body 1, the back plate 12 is arranged in an arc shape, a plurality of first springs 11 are fixedly connected to both ends of the outer wall of one side of the back plate 12, the other side of the first spring 11 is fixedly connected to the inner wall of the box body 1, the heating plate 10 is fixedly connected to the outer wall of the back plate 12, the heating plate 10 is electrically connected to the electric control device 5, the air flow discharge mechanism includes an exhaust pipe 16 and an exhaust fan 20, the exhaust pipe 16 is fixedly connected to the outer wall of the top of the box body 1, an exhaust hood 21 is fixedly connected to the bottom of the exhaust pipe 16, the exhaust fan 20 is fixedly connected to the bottom of the inner wall of the exhaust pipe 16, a baffle 17 is arranged at the top of the exhaust pipe 16, a plurality of connecting rods 18 are fixedly connected to the bottom of the baffle 17, the bottom of the connecting rod 18 is fixedly connected to the box body 1, and the baffle 17 is arranged at the bottom There is a liquid collecting tank 19, which is fixedly connected to the top of the box body 1. By setting a back plate 12 rotatably connected to one side of the box body 1, multiple heating plates 10 can be used to heat and dry the rotating circuit board, and the back plate 12 and the inner wall of the box body 1 are connected and fixed by multiple first springs 11. When the frame 50 rotates, it contacts and squeezes the back plate 12, so that the heating plate 10 can be displaced, thereby increasing the heating and drying range. By setting an exhaust fan 20 in the exhaust pipe 16, the steam generated by the drying in the box body 1 can be timely extracted together with the airflow to ensure the drying effect of the circuit board. By setting a shield 17 on the top of the exhaust pipe 16, not only can the exhaust pipe 16 be shielded and protected, but the discharged steam can also be contacted and condensed, so that the condensed liquid drips into the liquid collecting tank 19 to collect the water vapor to avoid affecting the humidity of the environment.

[0038] When in use, by setting a circuit board limiting mechanism outside the equipment rack 49, the frame 50 can be used to limit and fix multiple circuit boards of different specifications, and the circuit boards can have the ability to adjust their positions. By setting a position adjustment mechanism between the equipment rack 49 and the vertical rod 3, the frame 50 can have the ability to adjust the height. By setting a second angle adjustment mechanism between the vertical rod 3 and the horizontal plate 38, not only can the vertical rod 3 have the ability to rotate left and right, but also the vertical rod 3 and its frame 50 can be rotationally adjusted, so that the circuit boards can be evenly dried. By setting a height adjustment mechanism between the horizontal plate 38 and the movable plate 27, not only can the height of the horizontal plate 38 and the vertical rod 3 be adjusted, but also the left and right height of the horizontal plate 38 can be further adjusted. By setting a first angle adjustment mechanism at the bottom of the bracket 25, the horizontal plate 38 can have the ability to adjust the front and rear angles, thereby ensuring that the circuit boards can be fully and evenly dried.

[0039] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for drying circuit boards, comprising a box (1), wherein a cover plate (2) is rotatably connected to an outer wall of one side of the box (1), characterized in that: The box body (1) has side panels (22) fixedly connected to both sides of the inner wall, a movable plate (27) is provided at one end of the side panel (22), a pulling mechanism is provided between the movable plate (27) and the side panel (22), a bracket (25) is provided on the outer wall of the movable plate (27), a height adjustment mechanism is provided between the bracket (25) and the movable plate (27), a first angle adjustment mechanism is provided at the bottom of the bracket (25), a transverse plate (38) is rotatably connected between the two ends of the bracket (25), and the transverse plate (38) is provided at the bottom of the bracket (25). 8) A vertical rod (3) is arranged at the bottom, a second angle adjustment mechanism is arranged between the vertical rod (3) and the horizontal plate (38), a plurality of equipment racks (49) are arranged on the outer wall of the vertical rod (3), a position adjustment mechanism is arranged between the equipment rack (49) and the vertical rod (3), a circuit board limiting mechanism is arranged on the inner wall of the equipment rack (49), a rotating air intake mechanism is arranged at the bottom of the inner wall of the box body (1), a heating and drying mechanism is arranged on one side of the inner wall of the box body (1), and an airflow exhaust mechanism is arranged on the top of the box body (1).

2. A device for drying a circuit board according to claim 1, characterized in that: The pulling mechanism comprises a first moving block (24) and a second bolt (41); an outer wall of the side plate (22) is provided with an adjusting groove (23); the first moving block (24) and the adjusting groove (23) are slidably connected; the first moving block (24) and the side plate (22) are fixedly connected; and the second bolt (41) and the first moving block (24) are threadedly connected.

3. The device for drying a circuit board according to claim 1, characterized in that: The height adjustment mechanism comprises a first slider (26) and a first threaded screw (28); a first slide groove (29) is provided on an outer wall of the movable plate (27); the first slider (26) and the first slide groove (29) are slidably connected; the first slider (26) and the first threaded screw (28) are threadedly connected; a third motor (40) is fixedly connected to the bottom of the first threaded screw (28); the third motor (40) and the movable plate (27) are fixedly connected; and the first slider (26) and the bracket (25) are rotatably connected.

4. A device for drying a circuit board according to claim 3, characterized in that: The first angle adjustment mechanism comprises a second electric push rod (54) and a second movable block (52); a second movable groove (53) is provided at the bottom of the bracket (25); the second movable block (52) is slidably connected to two sides of the inner wall of the second movable groove (53); the bottom of the second movable block (52) is rotatably connected to the second electric push rod (54); the bottom of the second electric push rod (54) is fixedly connected to a bottom plate (55); and the bottom plate (55) is fixedly connected to the first sliding block (26).

5. The device for drying a circuit board according to claim 1, characterized in that: The second angle adjustment mechanism comprises a first electric push rod (37) and a first movable block (36); a notch (39) is provided on the outer wall of the horizontal plate (38); the inner wall of the notch (39) is rotatably connected to a rotating plate (32); the outer wall of one end of the rotating plate (32) is fixedly connected to a fixed plate (34); the outer wall of the fixed plate (34) is provided with a first movable groove (35); the first movable block (36) is slidably connected to the inner wall of the first movable groove (35); the other end of the first movable block (36) is rotatably connected to the first electric push rod (37); the first electric push rod (37) is fixedly connected to the inner wall of the notch (39); the top of the rotating plate (32) is fixedly connected to a second motor (33); the bottom of the second motor (33) is fixedly connected to a mounting plate (30); the top of the mounting plate (30) is threadedly connected to a plurality of first bolts (31); the first bolts (31) are threadedly connected to the vertical rod (3).

6. The device for drying a circuit board according to claim 1, characterized in that: The position adjustment mechanism comprises a second slider (56) and a fourth motor (57); a plurality of second slide grooves (59) are provided on the outer wall of the vertical rod (3); the second slider (56) and the second slide grooves (59) are slidably connected; the second slider (56) is threadedly connected with a second threaded screw rod (58); the bottom of the second threaded screw rod (58) is fixedly connected to the fourth motor (57); the fourth motor (57) and the vertical rod (3) are fixedly connected; and the second slider (56) and the equipment frame (49) are fixedly connected.

7. The device for drying a circuit board according to claim 1, characterized in that: The circuit board limiting mechanism comprises a driving motor (48) and a frame (50), wherein the driving motor (48) is fixedly connected to the inner wall of the equipment frame (49), the driving motor (48) is fixedly connected to the frame (50), both sides of the inner wall of the frame (50) are provided with transverse grooves (42), the inner wall of the transverse grooves (42) is slidably connected with a plurality of second moving blocks (43), the second moving blocks (43) are fixedly connected with a connecting plate (46), the outer wall of the connecting plate (46) is fixedly connected with a plurality of second springs (47), the other side of the second spring (47) is fixedly connected with a limiting plate (45), the limiting plate (45) is provided with a groove, the inner wall of the groove is provided with a clamping plate (44), the clamping plate (44) is rotatably connected with a screw rod (51), and the screw rod (51) and the limiting plate (45) are threadedly connected.

8. The device for drying a circuit board according to claim 1, characterized in that: The rotary air intake mechanism comprises an air pump (9) and a rotating shaft (15); the bottom of the box body (1) is fixedly connected to a bottom box (4); the bottom of the bottom box (4) is fixedly connected to a transfer box (7); the bottom of the transfer box (7) is fixedly connected to a first motor (8); the top of the first motor (8) is fixedly connected to the rotating shaft (15); the air pump (9) is fixedly connected to the outer wall of the transfer box (7); the top and bottom of the inner wall of the rotating shaft (15) are respectively provided with air guide cavities (61); the outer wall of the rotating shaft (15) is provided with air guide holes (60); the air guide holes (60) are located inside the transfer box (7); the outer wall of the rotating shaft (15) is fixedly connected to a plurality of air guide pipes ( 13), the air guide pipe (13) is located at the bottom of the inner wall of the bottom box (4), the bottom of the bottom box (4) is fixedly connected with a discharge pipe (6), the outer wall of the rotating shaft (15) is fixedly connected with a scraper (14), the scraper (14) and the inner wall of the bottom box (4) are naturally in contact, a plurality of air suction pipes (64) are arranged at the top of the inner wall of the bottom box (4), a guide cover (65) is fixedly connected at the bottom of the air suction pipe (64), the air suction pipe (64) and the air guide cavity (61) are fixedly connected, the top of the rotating shaft (15) is fixedly connected with an air guide plate (62), the air guide plate (62) is located at the bottom of the vertical rod (3), and a plurality of air outlet pipes (63) are fixedly connected at the top of the air guide plate (62).

9. The device for drying a circuit board according to claim 1, characterized in that: The heating and drying mechanism comprises a back plate (12) and a heating plate (10); an outer wall at one end of the box body (1) is fixedly connected to an electric control device (5); the back plate (12) is rotatably connected to one side of the inner wall of the box body (1); the back plate (12) is arranged in an arc shape; two ends of the outer wall of one side of the back plate (12) are fixedly connected to a plurality of first springs (11); the other side of the first spring (11) is fixedly connected to the inner wall of the box body (1); the heating plate (10) is fixedly connected to the outer wall of the back plate (12); and the heating plate (10) is electrically connected to the electric control device (5).

10. The device for drying a circuit board according to claim 1, characterized in that: The airflow discharge mechanism comprises an exhaust pipe (16) and an exhaust fan (20); the exhaust pipe (16) is fixedly connected to the top outer wall of the box body (1); the bottom of the exhaust pipe (16) is fixedly connected to an air suction cover (21); the exhaust fan (20) is fixedly connected to the bottom of the inner wall of the exhaust pipe (16); a baffle cover (17) is provided at the top of the exhaust pipe (16); a plurality of connecting rods (18) are fixedly connected to the bottom of the baffle cover (17); the bottom of the connecting rods (18) is fixedly connected to the box body (1); a liquid collecting tank (19) is provided at the bottom of the baffle cover (17); and the liquid collecting tank (19) is fixedly connected to the top of the box body (1).

Citation Information

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