Drying equipment for PCB production

Abstract

A drying device for PCB production disclosed by the present invention comprises a box body, the outer wall of one side of the box body is rotatably connected with a cover plate, the outer wall of one end of the box body is fixedly connected with an electric control device, the top of the inner wall of the box body is fixedly connected with a top plate, and the bottom of the top plate is provided with a first connecting plate. A pull-out mechanism is arranged between the first connecting plate and the top plate, a vertical rod is arranged at the bottom of the first connecting plate, and a connecting mechanism is arranged between the vertical rod and the first connecting plate. The air outlet drying mechanism arranged on the outer wall of the rotating frame can conduct air outlet drying treatment on a circuit board, and the heating drying mechanism arranged on the outer wall of the rotating frame can conduct heating drying treatment on the circuit board; and a plurality of circuit boards on the outer wall of the vertical rod can be dried in a rotating and surrounding all-around mode through a rotating adjusting mechanism arranged at the bottom of the rotating frame, and the drying efficiency of the circuit boards is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of drying equipment, and in particular to a drying equipment for producing PCB circuit boards. Background Art

[0002] A circuit board can be called a printed circuit board or a printed circuit board. A circuit board is a highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as a substrate. It has the characteristics of high wiring density, light weight, thin thickness, and good bendability.

[0003] During the production process of circuit boards, drying equipment is required to dry the moisture and liquid on the surface of the circuit boards. However, when drying circuit boards, the current drying equipment will cause uneven heating because the position of the heat outlet does not change, resulting in uneven drying of the circuit boards, which will eventually affect the drying efficiency of the circuit boards. Therefore, a drying equipment for PCB production is urgently needed to solve this problem. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a drying device for PCB circuit board production.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A drying device for PCB circuit board production comprises a box body, wherein the outer wall of one side of the box body is rotatably connected to a cover plate, the outer wall of one end of the box body is fixedly connected to an electric control device, the top of the inner wall of the box body is fixedly connected to a top plate, a first connecting plate is arranged at the bottom of the top plate, a pulling-out mechanism is arranged between the first connecting plate and the top plate, a vertical rod is arranged at the bottom of the first connecting plate, a connecting mechanism is arranged between the vertical rod and the first connecting plate, a plurality of brackets are arranged at the outer wall of the vertical rod, a height adjustment mechanism is arranged between the bracket and the vertical rod, a rotating plate is rotatably connected to the inner wall of the bracket, a limited position fixing mechanism is arranged at the outer wall of the rotating plate, a rotating frame is arranged at the bottom of the vertical rod, the rotating frame is arranged in a U-shape, a first motor is arranged at the bottom of the rotating frame, a rotating adjustment mechanism is arranged between the first motor and the rotating frame, an air outlet drying mechanism is arranged at one end of the rotating frame, and a heating and drying mechanism is arranged at the other end of the rotating frame.

[0007] Preferably, the pulling-out mechanism includes a first movable block and a first bolt, a first movable groove is opened on the bottom outer wall of the top plate, the first movable block and the first movable groove are slidably connected, the bottom of the first movable block and the first connecting plate are fixedly connected, and the first bolt and the first movable block are threadedly connected.

[0008] Preferably, the connecting mechanism includes a first spring and a damper, a second connecting plate is arranged at the bottom of the first connecting plate, the top and bottom of the first spring and the damper are fixedly connected to the first connecting plate and the second connecting plate respectively, and the bottom of the second connecting plate is fixedly connected to the vertical rod.

[0009] Preferably, the height adjustment mechanism includes a second movable block and a second bolt, a plurality of second movable grooves are opened on the outer wall of the vertical rod, the second movable block and the second movable grooves are slidably connected, the second bolt and the outer wall of the second movable block are threadedly connected, and the second movable block and the bracket are fixedly connected.

[0010] Preferably, the limiting and fixing mechanism includes a limiting plate and a clamping plate, an adjusting groove is opened on the outer wall of the rotating plate, and both ends of the inner wall of the adjusting groove are slidably connected with adjusting blocks, the adjusting block is threadedly connected with a bidirectional threaded screw, the adjusting block and the limiting plate are fixedly connected, the clamping plate is located inside the limiting plate, and a screw is rotatably connected to the top of the clamping plate, and the screw and the limiting plate are threadedly connected.

[0011] Preferably, the rotation adjustment mechanism includes a base plate and a rotating shaft, an air guide box is fixedly connected to the bottom of the box body, the first motor is fixedly connected to the bottom of the air guide box, the top of the first motor is fixedly connected to the rotating shaft, the top outer wall of the rotating shaft is fixedly connected to the base plate, and a plurality of second springs are fixedly connected between the base plate and the rotating frame.

[0012] Preferably, the air outlet drying mechanism includes an air pump and a heating net, the heating net is fixedly connected to the inner wall of the air guide box, the heating net is electrically connected to the electronic control device, the air pump is fixedly connected to the air guide box, the rotating shaft is set to be hollow, and the outer wall of the rotating shaft is provided with air guide holes, the air guide holes are located inside the air guide box, the rotating frame is set to be in the middle, one end of the inner wall of the rotating frame is fixedly connected to a plurality of air outlet pipes, and the rotating frame and the rotating shaft are fixedly connected to an air guide hose.

[0013] Preferably, a filter cover is provided on the inner wall of the air guide box, the filter cover is fixedly connected to the rotating shaft, and a scraper is provided at one end of the filter cover, and the scraper is fixedly connected to the inner wall of the air guide box.

[0014] Preferably, the heating and drying mechanism includes a heating plate and a movable plate, a sliding groove is provided on the outer wall of the bottom of the rotating frame, a slider is slidably connected to the inner wall of the sliding groove, the slider is threadedly connected to a threaded screw, one end of the threaded screw is fixedly connected to a second motor, the second motor and the rotating frame are fixedly connected, the top of the slider is fixedly connected to the movable plate, the heating plate and the movable plate are fixedly connected, the heating plate and the electric control device are electrically connected, a limiting rod is fixedly connected to the outer wall at one end of the movable plate, a slot is provided at one end of the rotating frame, and the limiting rod passes through the slot.

[0015] Preferably, the top of the box is fixedly connected with an air pump, the bottom of the air pump is fixedly connected with an air suction hood, the air suction hood is located inside the box, and the outer wall of one end of the air pump is fixedly connected with an exhaust pipe, which is located outside the box.

[0016] The beneficial effects of the present invention are:

[0017] 1. By setting a limit fixing mechanism on the outer wall of the rotating plate, different circuit boards can be fixed in a limit position. By setting a rotating plate and a bracket to be rotatably connected, the circuit board can be tilted and adjusted. By setting a height adjustment mechanism between the bracket and the vertical rod, the height of the bracket and the circuit board can be adjusted to ensure the uniformity of drying. By setting an air outlet drying mechanism on the outer wall of the rotating frame, the circuit board can be dried by air outlet. By setting a heating drying mechanism on the outer wall of the rotating frame, the circuit board can be heated and dried. By setting a rotating adjustment mechanism at the bottom of the rotating frame, multiple circuit boards on the outer wall of the vertical rod can be rotated and dried in an all-round manner to ensure the drying efficiency of the circuit boards.

[0018] 2. The first movable block is moved on the inner wall of the first movable groove opened at the bottom of the top plate, and is fixed by the first bolt, so that the first connecting plate at the bottom of the first movable block can be pulled out of the box body, and finally the vertical rod at the bottom of the first connecting plate can be pulled out of the box body, which is convenient for loading and unloading of circuit boards. The first connecting plate and the second connecting plate at the top of the vertical rod are connected and fixed by the first spring and the damper, so that the vertical rod can buffer external vibrations in the vertical position, thereby ensuring the stability of the circuit board during drying. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0021] Figure 3 for Figure 2 A is an enlarged schematic diagram of the structure;

[0022] Figure 4 A schematic cross-sectional structure diagram of a drying device for PCB circuit board production proposed by the present invention;

[0023] Figure 5 A schematic diagram of the main structure of a rotating frame of a drying device for PCB circuit board production proposed by the present invention;

[0024] Figure 6 This is a schematic diagram of the vertical rod main structure of a drying device for PCB circuit board production proposed by the present invention.

[0025] In the attached drawings: 1, box body; 2, cover plate; 3, electric control equipment; 4, exhaust pipe; 5, vacuum pump; 6, top plate; 7, suction hood; 8, air pump; 9, first motor; 10, air guide box; 11, first movable block; 12, first bolt; 13, first connecting plate; 14, first spring; 15, damper; 16, vertical rod; 17, second connecting plate; 18, first movable groove; 19, scraper; 20, filter cover; 21, rotating shaft; 22, heating net; 23, air outlet pipe; 24, rotating Frame; 25, second spring; 26, bottom plate; 27, air guide hole; 28, slot; 29, air guide hose; 30, slide groove; 31, threaded screw; 32, slider; 33, second motor; 34, limit rod; 35, moving plate; 36, heating plate; 37, second movable groove; 38, second bolt; 39, screw; 40, two-way threaded screw; 41, clamping plate; 42, limit plate; 43, adjustment groove; 44, adjustment block; 45, rotating plate; 46, bracket; 47, second movable block. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] Reference Figure 1-6A drying device for PCB circuit board production includes a box body 1, a cover plate 2 is rotatably connected to the outer wall of one side of the box body 1, an electric control device 3 is fixedly connected to the outer wall of one end of the box body 1, a top plate 6 is fixedly connected to the top of the inner wall of the box body 1, a first connecting plate 13 is arranged at the bottom of the top plate 6, a pull-out mechanism is arranged between the first connecting plate 13 and the top plate 6, a vertical rod 16 is arranged at the bottom of the first connecting plate 13, a connecting mechanism is arranged between the vertical rod 16 and the first connecting plate 13, a plurality of brackets 46 are arranged on the outer wall of the vertical rod 16, a height adjustment mechanism is arranged between the bracket 46 and the vertical rod 16, a rotating plate 45 is rotatably connected to the inner wall of the bracket 46, a limited position fixing mechanism is arranged on the outer wall of the rotating plate 45, a rotating frame 24 is arranged at the bottom of the vertical rod 16, the rotating frame 24 is arranged in a U shape, a first motor 9 is arranged at the bottom of the rotating frame 24, and a rotating adjustment mechanism is arranged between the first motor 9 and the rotating frame 24. The rotating frame 24 has a plurality of rotating plates 45, each of which is provided with a plurality of heating and drying mechanisms, and the plurality of heating and drying mechanisms are provided with heating and drying mechanisms.

[0028] At the same time, the pulling mechanism includes a first movable block 11 and a first bolt 12, a first movable groove 18 is provided on the outer wall of the bottom of the top plate 6, the first movable block 11 is slidably connected to the first movable groove 18, the bottom of the first movable block 11 is fixedly connected to the first connecting plate 13, the first bolt 12 is threadedly connected to the first movable block 11, the connecting mechanism includes a first spring 14 and a damper 15, a second connecting plate 17 is provided at the bottom of the first connecting plate 13, the top and bottom of the first spring 14 and the damper 15 are respectively fixedly connected to the first connecting plate 13 and the second connecting plate 17, the bottom of the second connecting plate 17 is fixedly connected to the vertical rod 16, and the The first movable block 11 is moved on the inner wall of the first movable groove 18 opened at the bottom of the top plate 6, and is fixed by the first bolt 12, so that the first connecting plate 13 at the bottom of the first movable block 11 can be pulled out of the box body 1, and finally the vertical rod at the bottom of the first connecting plate 13 can be pulled out of the box body 1, which is convenient for loading and unloading circuit boards. The first connecting plate 13 and the second connecting plate 17 at the top of the vertical rod 16 are connected and fixed by the first spring 14 and the damper 15, so that the vertical rod 16 can buffer external vibration in the vertical position, so as to ensure the stability of the circuit board during drying;

[0029] The height adjustment mechanism includes a second movable block 47 and a second bolt 38. A plurality of second movable grooves 37 are provided on the outer wall of the vertical rod 16. The second movable block 47 is slidably connected to the second movable groove 37. The second bolt 38 is threadedly connected to the outer wall of the second movable block 47. The second movable block 47 is fixedly connected to the bracket 46. By setting a height adjustment mechanism between the bracket 46 and the vertical rod 16, the height of the bracket 46 and the circuit board can be adjusted, thereby ensuring drying uniformity.

[0030] The limiting and fixing mechanism includes a limiting plate 42 and a clamping plate 41. An adjusting groove 43 is provided on the outer wall of the rotating plate 45. Both ends of the inner wall of the adjusting groove 43 are slidably connected with adjusting blocks 44. The adjusting blocks 44 are threadedly connected with a bidirectional threaded screw 40. The adjusting blocks 44 are fixedly connected to the limiting plate 42. The clamping plate 41 is located inside the limiting plate 42. The top of the clamping plate 41 is rotatably connected with a screw 39. The screw 39 is threadedly connected to the limiting plate 42. The limiting and fixing mechanism on the outer wall of the rotating plate 45 can limit and fix different circuit boards.

[0031] The rotation adjustment mechanism includes a bottom plate 26 and a rotating shaft 21. The bottom of the box body 1 is fixedly connected with an air guide box 10, the first motor 9 is fixedly connected with the bottom of the air guide box 10, the top of the first motor 9 is fixedly connected with the rotating shaft 21, the top outer wall of the rotating shaft 21 is fixedly connected with the bottom plate 26, and a plurality of second springs 25 are fixedly connected between the bottom plate 26 and the rotating frame 24. By setting a rotation adjustment mechanism at the bottom of the rotating frame 24, a plurality of circuit boards on the outer wall of the vertical rod 16 can be rotated around and dried in all directions to ensure the drying efficiency of the circuit boards;

[0032] The air outlet drying mechanism includes an air pump 8 and a heating net 22, the heating net 22 is fixedly connected to the inner wall of the air guide box 10, the heating net 22 is electrically connected to the electric control device 3, the air pump 8 is fixedly connected to the air guide box 10, the rotating shaft 21 is set to be hollow, the outer wall of the rotating shaft 21 is provided with an air guide hole 27, the air guide hole 27 is located inside the air guide box 10, the rotating frame 24 is set to be in the middle, one end of the inner wall of the rotating frame 24 is fixedly connected to a plurality of air outlet pipes 23, the rotating frame 24 and the rotating shaft 21 are fixedly connected to an air guide hose 29, and the circuit board can be dried by setting the air outlet drying mechanism on the outer wall of the rotating frame 24;

[0033] A filter cover 20 is provided on the inner wall of the air guide box 10, and the filter cover 20 is fixedly connected to the rotating shaft 21. A scraper 19 is provided at one end of the filter cover 20, and the scraper 19 is fixedly connected to the inner wall of the air guide box 10 to filter the incoming gas.

[0034] The heating and drying mechanism includes a heating plate 36 and a moving plate 35. A slide groove 30 is provided on the outer wall of the bottom of the rotating frame 24. A slider 32 is slidably connected to the inner wall of the slide groove 30. The slider 32 is threadedly connected to a threaded screw 31. One end of the threaded screw 31 is fixedly connected to a second motor 33. The second motor 33 is fixedly connected to the rotating frame 24. The top of the slider 32 is fixedly connected to the moving plate 35. The heating plate 36 is fixedly connected to the moving plate 35. The heating plate 36 is electrically connected to the electric control device 3. The outer wall of one end of the moving plate 35 is fixedly connected to a limiting rod 34. A slot 28 is provided at one end of the rotating frame 24. The limiting rod 34 passes through the slot 28. By setting a heating and drying mechanism on the outer wall of the rotating frame 24, the circuit board can be heated and dried.

[0035] The top of the box 1 is fixedly connected with an air pump 5, and the bottom of the air pump 5 is fixedly connected with an air hood 7, which is located inside the box 1. The outer wall of one end of the air pump 5 is fixedly connected with an exhaust pipe 4, which is located outside the box 1, so that the water vapor in the box 1 can be extracted in time to ensure the drying effect.

[0036] Working principle: When in use, different circuit boards can be limited and fixed by the limiting and fixing mechanism on the outer wall of the rotating plate 45, and the rotating plate 45 and the bracket 46 are rotatably connected to each other, so that the circuit board can be tilted and adjusted, and the height adjustment mechanism between the bracket 46 and the vertical rod 16 can be used to adjust the height of the bracket 46 and the circuit board, so as to ensure the uniformity of drying, and the circuit board can be dried by the air outlet drying mechanism on the outer wall of the rotating frame 24, and the circuit board can be heated and dried by the heating and drying mechanism on the outer wall of the rotating frame 24, and the multiple circuit boards on the outer wall of the vertical rod 16 can be rotated and dried in all directions by the rotating adjustment mechanism at the bottom of the rotating frame 24, so as to ensure the drying efficiency of the circuit boards.

[0037] 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 drying device for PCB circuit board production, comprising a box (1), a cover plate (2) is rotatably connected to the outer wall of one side of the box (1), and an electric control device (3) is fixedly connected to the outer wall of one end of the box (1), characterized in that: The top of the inner wall of the box body (1) is fixedly connected with a top plate (6), the bottom of the top plate (6) is provided with a first connecting plate (13), a pull-out mechanism is provided between the first connecting plate (13) and the top plate (6), a vertical rod (16) is provided at the bottom of the first connecting plate (13), a connecting mechanism is provided between the vertical rod (16) and the first connecting plate (13), a plurality of brackets (46) are provided on the outer wall of the vertical rod (16), a height adjustment mechanism is provided between the bracket (46) and the vertical rod (16), The inner wall of the bracket (46) is rotatably connected to a rotating plate (45), and a limited position fixing mechanism is arranged on the outer wall of the rotating plate (45). A rotating frame (24) is arranged at the bottom of the vertical rod (16), and the rotating frame (24) is arranged in a U shape. A first motor (9) is arranged at the bottom of the rotating frame (24), and a rotation adjustment mechanism is arranged between the first motor (9) and the rotating frame (24). An air outlet drying mechanism is arranged at one end of the rotating frame (24), and a heating drying mechanism is arranged at the other end of the rotating frame (24).

2. A drying device for PCB circuit board production according to claim 1, characterized in that: The pulling mechanism comprises a first movable block (11) and a first bolt (12); a first movable groove (18) is provided on the outer wall of the bottom of the top plate (6); the first movable block (11) and the first movable groove (18) are slidably connected; the bottom of the first movable block (11) and the first connecting plate (13) are fixedly connected; and the first bolt (12) and the first movable block (11) are threadedly connected.

3. A drying device for PCB circuit board production according to claim 1, characterized in that: The connecting mechanism comprises a first spring (14) and a damper (15); a second connecting plate (17) is arranged at the bottom of the first connecting plate (13); the top and bottom of the first spring (14) and the damper (15) are respectively fixedly connected to the first connecting plate (13) and the second connecting plate (17); and the bottom of the second connecting plate (17) is fixedly connected to the vertical rod (16).

4. A drying device for PCB circuit board production according to claim 1, characterized in that: The height adjustment mechanism comprises a second movable block (47) and a second bolt (38); a plurality of second movable grooves (37) are provided on the outer wall of the vertical rod (16); the second movable block (47) and the second movable grooves (37) are slidably connected; the second bolt (38) and the outer wall of the second movable block (47) are threadedly connected; and the second movable block (47) and the bracket (46) are fixedly connected.

5. A drying device for PCB circuit board production according to claim 1, characterized in that: The limiting and fixing mechanism comprises a limiting plate (42) and a clamping plate (41); an adjusting groove (43) is provided on the outer wall of the rotating plate (45); both ends of the inner wall of the adjusting groove (43) are slidably connected with adjusting blocks (44); the adjusting block (44) is threadedly connected with a bidirectional threaded screw (40); the adjusting block (44) and the limiting plate (42) are fixedly connected; the clamping plate (41) is located inside the limiting plate (42); a screw rod (39) is rotatably connected to the top of the clamping plate (41); and the screw rod (39) and the limiting plate (42) are threadedly connected.

6. A drying device for PCB circuit board production according to claim 1, characterized in that: The rotation adjustment mechanism comprises a bottom plate (26) and a rotating shaft (21); the bottom of the box body (1) is fixedly connected to an air guide box (10); the first motor (9) is fixedly connected to the bottom of the air guide box (10); the top of the first motor (9) is fixedly connected to the rotating shaft (21); the top outer wall of the rotating shaft (21) is fixedly connected to the bottom plate (26); and a plurality of second springs (25) are fixedly connected between the bottom plate (26) and the rotating frame (24).

7. A drying device for PCB circuit board production according to claim 6, characterized in that: The air outlet drying mechanism comprises an air pump (8) and a heating net (22), the heating net (22) and the inner wall of the air guide box (10) are fixedly connected, the heating net (22) and the electric control device (3) are electrically connected, the air pump (8) and the air guide box (10) are fixedly connected, the rotating shaft (21) is arranged to be hollow, an air guide hole (27) is opened on the outer wall of the rotating shaft (21), the air guide hole (27) is located inside the air guide box (10), the rotating frame (24) is arranged to be in the middle, one end of the inner wall of the rotating frame (24) is fixedly connected to a plurality of air outlet pipes (23), and an air guide hose (29) is fixedly connected to the rotating frame (24) and the rotating shaft (21).

8. A drying device for PCB circuit board production according to claim 7, characterized in that: The inner wall of the air guide box (10) is provided with a filter cover (20), the filter cover (20) and the rotating shaft (21) are fixedly connected, and a scraper (19) is provided at one end of the filter cover (20), and the scraper (19) and the inner wall of the air guide box (10) are fixedly connected.

9. A drying device for PCB circuit board production according to claim 1, characterized in that: The heating and drying mechanism comprises a heating plate (36) and a movable plate (35); a sliding groove (30) is provided on the outer wall of the bottom of the rotating frame (24); a slider (32) is slidably connected to the inner wall of the sliding groove (30); the slider (32) is threadedly connected to a threaded screw (31); one end of the threaded screw (31) is fixedly connected to a second motor (33); the second motor (33) is fixedly connected to the rotating frame (24); the top of the slider (32) is fixedly connected to the movable plate (35); the heating plate (36) is fixedly connected to the movable plate (35); the heating plate (36) is electrically connected to the electric control device (3); a limiting rod (34) is fixedly connected to the outer wall of one end of the movable plate (35); a slot (28) is provided on one end of the rotating frame (24); the limiting rod (34) passes through the slot (28).

10. A drying device for PCB circuit board production according to claim 1, characterized in that: The top of the box (1) is fixedly connected to an air pump (5), the bottom of the air pump (5) is fixedly connected to an air suction hood (7), the air suction hood (7) is located inside the box (1), and the outer wall of one end of the air pump (5) is fixedly connected to an exhaust pipe (4), and the exhaust pipe (4) is located outside the box (1).

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