A drying equipment for PCB circuit board production
By designing a drying device with a rotating plate, support, vertical rod, and rotating frame, the problem of uneven heating of circuit boards was solved, achieving uniform drying and efficient production of circuit boards.
Patent Information
- Application Number
- CN202411682827.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2044-11-22
AI Technical Summary
Existing PCB drying equipment suffers from uneven heating, resulting in inconsistent drying effects and impacting PCB production efficiency.
A drying device comprising a rotating plate, a support, a vertical rod, and a rotating frame is designed. Through limiting and fixing, tilting adjustment, height adjustment, and omnidirectional rotating drying mechanism, combined with air outlet and heating drying mechanism, the circuit board can be dried uniformly.
This achieves uniform drying of circuit boards, improves drying efficiency and stability, and ensures the stability and uniform heating of circuit boards during the drying process.
Smart Images

Figure CN119342706B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of drying equipment, in particular to a drying equipment for PCB circuit board production. BACKGROUND
[0002] The circuit board can be referred to as a printed wiring board or a printed circuit board, and the circuit board is a kind of highly reliable and excellent flexible printed circuit board made of polyimide or polyester film. It has the characteristics of high wiring density, light weight, thin thickness and good bending property.
[0003] The circuit board needs to be dried by a drying equipment during production to dry the moisture and liquid on the surface of the circuit board. However, the current drying equipment will cause uneven heating when drying the circuit board, which will cause uneven drying effect of the circuit board and ultimately affect the drying efficiency of the circuit board, because the position of the heat outlet is fixed. Therefore, a drying equipment for PCB circuit board production is needed to solve such problems. SUMMARY
[0004] The purpose of the present application is to solve the problems in the prior art and provide a drying equipment for PCB circuit board production.
[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:
[0006] A drying equipment for PCB circuit board production, comprising a box body, a cover plate is rotatably connected to one side of the outer wall of the box body, an electric control device is fixedly connected to one end of the outer wall of the box body, a top plate is fixedly connected to the inner wall of the box body, 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 supports are arranged on the outer wall of the vertical rod, a height adjusting mechanism is arranged between the supports and the vertical rod, a rotating plate is rotatably connected to the inner wall of the support, a limiting and fixing mechanism is arranged on 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 adjusting 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 drying mechanism is arranged at the other end of the rotating frame.
[0007] Preferably, the pulling-out mechanism comprises a first movable block and a first bolt, a first movable groove is formed in the outer wall of the bottom of the top plate, the first movable block and the first movable groove are slidably connected, the first movable block is fixedly connected to the first connecting plate, and the first bolt is threadedly connected to the first movable block.
[0008] Preferably, the connecting mechanism comprises a first spring and damper, the bottom of the first connecting plate is provided with a second connecting plate, the top and bottom of the first spring and damper are fixedly connected with the first connecting plate and the second connecting plate respectively, and the bottom of the second connecting plate is fixedly connected with the vertical rod.
[0009] Preferably, the height adjusting mechanism comprises a second movable block and a second bolt, a plurality of second movable grooves are formed in the outer wall of the vertical rod, the second movable block and the second movable grooves are in sliding connection, the second bolt is in threaded connection with the outer wall of the second movable block, and the second movable block is fixedly connected with the support.
[0010] Preferably, the limiting and fixing mechanism comprises a limiting plate and a clamping plate, an adjusting groove is formed in the outer wall of the rotating plate, adjusting blocks are slidably connected to the inner wall of the adjusting groove at both ends, the adjusting blocks are in threaded connection with a two-way threaded lead screw, the adjusting blocks are fixedly connected with the limiting plate, the clamping plate is located inside the limiting plate, a screw rod is rotatably connected to the top of the clamping plate, and the screw rod is in threaded connection with the limiting plate.
[0011] Preferably, the rotating adjusting mechanism comprises a bottom plate and a rotating shaft, the bottom of the box body is fixedly connected with a gas guide box, the first motor is fixedly connected with the bottom of the gas guide box, the top of the first motor is fixedly connected with the rotating shaft, the top outer wall of the rotating shaft is fixedly connected with the bottom plate, and a plurality of second springs are fixedly connected between the bottom plate and the rotating frame.
[0012] Preferably, the air outlet drying mechanism comprises a gas pump and a heating net, the heating net is fixedly connected with the inner wall of the gas guide box, the heating net is electrically connected with the electric control device, the gas pump is fixedly connected with the gas guide box, the rotating shaft is hollow, a gas guide hole is formed in the outer wall of the rotating shaft, the gas guide hole is located inside the gas guide box, the rotating frame is hollow, a plurality of air outlet pipes are fixedly connected to one end of the inner wall of the rotating frame, and the rotating frame is fixedly connected with the rotating shaft through a gas guide hose.
[0013] Preferably, a filter cover is arranged on the inner wall of the gas guide box, the filter cover is fixedly connected with the rotating shaft, one end of the filter cover is provided with a scraper, and the scraper is fixedly connected with the inner wall of the gas guide box.
[0014] Preferably, the heating and drying mechanism comprises a heating plate and a moving plate, a sliding groove is formed in the outer wall of the bottom of the rotating frame, a sliding block is slidably connected to the inner wall of the sliding groove, the sliding block is in threaded connection with a threaded lead screw, one end of the threaded lead screw is fixedly connected with a second motor, the second motor is fixedly connected with the rotating frame, the top of the sliding block is fixedly connected with the moving plate, the heating plate is fixedly connected with the moving plate, the heating plate is electrically connected with the electric control device, one end of the moving plate is fixedly connected with a limiting rod, one end of the rotating frame is provided with a slot, and the limiting rod passes through the slot.
[0015] Preferably, the box body is fixedly connected with an air suction pump at the top, the air suction pump is fixedly connected with an air suction cover at the bottom, the air suction cover is located inside the box body, an air exhaust pipe is fixedly connected to one end of the outer wall of the air suction pump, and the air exhaust pipe is located outside the box body.
[0016] The beneficial effects of the present application are:
[0017] 1. The limiting and fixing mechanism of the outer wall of the rotating plate can limit and fix different circuit boards, the rotating plate and the support are rotatably connected, so that the circuit board can be adjusted in inclination, the height adjusting mechanism between the support and the vertical rod can adjust the height of the support and the circuit board, so that the uniformity of drying is ensured, the air outlet drying mechanism of the outer wall of the rotating frame can dry the circuit board, the heating and drying mechanism of the outer wall of the rotating frame can heat and dry the circuit board, the rotating adjusting mechanism at the bottom of the rotating frame can rotate the multiple circuit boards outside the vertical rod for all-around drying treatment, and the drying efficiency of the circuit board is ensured.
[0018] 2. The first movable block is movably arranged in the first movable slot in the bottom of the top plate, and is limited and 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, and finally the vertical rod at the bottom of the first connecting plate can be pulled out of the box, the feeding and discharging of the circuit board is facilitated, the first spring and the damper are connected and fixed between the first connecting plate and the second connecting plate at the top of the vertical rod, so that the vertical rod has the buffering capacity of external vibration in the vertical position, and the stability of the circuit board during drying is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 A schematic diagram of the main structure of the drying equipment for PCB circuit board production is provided.
[0020] Figure 2 A schematic diagram of the bottom main structure of the drying equipment for PCB circuit board production is provided.
[0021] Figure 3 A schematic diagram of the cross-sectional structure of the drying equipment for PCB circuit board production is provided. Figure 2 A schematic diagram of the enlarged structure of A is provided.
[0022] Figure 4 A schematic diagram of the cross-sectional structure of the drying equipment for PCB circuit board production is provided.
[0023] Figure 5 A schematic diagram of the main structure of the rotating frame of the drying equipment for PCB circuit board production is provided.
[0024] Figure 6 A schematic diagram of the main structure of the vertical rod of the drying equipment for PCB circuit board production is provided.
[0025] In the drawings: 1, box; 2, cover plate; 3, electric control equipment; 4, exhaust pipe; 5, air pump; 6, top plate; 7, air suction cover; 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 slot; 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, insertion slot; 29, air guide hose; 30, sliding groove; 31, threaded screw; 32, sliding block; 33, second motor; 34, limiting rod; 35, moving plate; 36, heating plate; 37, second movable slot; 38, second bolt; 39, screw rod; 40, bidirectional threaded screw; 41, clamping plate; 42, limiting plate; 43, adjusting slot; 44, adjusting block; 45, rotating plate; 46, support; 47, second movable block. DETAILED DESCRIPTION
[0026] Embodiments of the present patent are described in detail below with reference to examples illustrated in the attached drawings, in which the same or similar components have the same or similar designations throughout the several views. The embodiments described below are examples only, and are not to be construed as limiting the present patent.
[0027] Reference Figures 1-6The utility model provides a kind of drying equipment for PCB circuit board production, including box 1, box 1 one side outer wall rotationally connected with cover plate 2, box 1 one end outer wall fixedly connected with electric control equipment 3, box 1 inner wall top fixedly connected with top plate 6, top plate 6 bottom is provided with first connecting plate 13, first connecting plate 13 and top plate 6 between being provided with pull-out mechanism, first connecting plate 13 bottom is provided with vertical rod 16, vertical rod 16 and first connecting plate 13 between being provided with connecting mechanism, vertical rod 16 outer wall is provided with multiple supports 46, support 46 and vertical rod 16 between being provided with height adjusting mechanism, support 46 inner wall rotationally connected with rotating plate 45, rotating plate 45 outer wall is provided with limiting fixed mechanism, vertical rod 16 bottom is provided with rotating frame 24, rotating frame 24 is provided as U type, rotating frame 24 bottom is provided with first motor 9, first motor 9 and rotating frame 24 between being provided with rotation adjusting mechanism, rotating frame 24 one end is provided with air outlet drying mechanism, and rotating frame 24 other end is provided with heating drying mechanism, and the limiting fixed mechanism of rotating plate 45 outer wall being provided with can be positioned and fixed to different circuit boards, rotating plate 45 and support 46 rotationally connected are provided with, so that circuit board can be inclined and adjusted, the height adjusting mechanism between support 46 and vertical rod 16 being provided with can be height-adjusted to support 46 and circuit board, to ensure that drying uniformity, the air outlet drying mechanism of rotating frame 24 outer wall being provided with can be air outlet drying treatment to circuit board, the heating drying mechanism of rotating frame 24 outer wall being provided with can be heating drying treatment to circuit board, the rotation adjusting mechanism of rotating frame 24 bottom being provided with can be rotation and surround all-around drying treatment to multiple circuit boards of vertical rod 16 outer wall, guarantee circuit board drying efficiency.
[0028] Meanwhile, pull-out mechanism includes first movable block 11 and first bolt 12, and the first movable block 11 is slidably connected in the first movable slot 18 formed in the bottom of the top plate 6, the first movable block 11 is fixedly connected to the first connecting plate 13, and 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, the first connecting plate 13 is provided with a second connecting plate 17, the first spring 14 and the damper 15 are fixedly connected to the first connecting plate 13 and the second connecting plate 17 respectively, and the second connecting plate 17 is fixedly connected to the vertical rod 16, the first movable block 11 moves in the first movable slot 18 formed in the bottom of the top plate 6, and the first bolt 12 is used for limiting and fixing, so that the first connecting plate 13 at the bottom of the first movable block 11 can be pulled out of the box 1, and finally the vertical rod at the bottom of the first connecting plate 13 can be pulled out of the box 1, which facilitates the feeding and discharging of the circuit board, and the first spring 14 and the damper 15 are fixedly connected between the second connecting plate 17 at the top of the first connecting plate 13 and the vertical rod 16, so that the vertical rod 16 has the buffering capacity of external vibration in the vertical position, thereby ensuring the stability of the circuit board during drying.
[0029] The height adjusting mechanism comprises a second movable block 47 and a second bolt 38, a plurality of second movable grooves 37 are formed in the outer wall of the vertical rod 16, the second movable block 47 is slidably connected with the second movable groove 37, the second bolt 38 is threadedly connected with the outer wall of the second movable block 47, the second movable block 47 is fixedly connected with the support 46, and the height adjusting mechanism arranged between the support 46 and the vertical rod 16 can adjust the height of the support 46 and the circuit board, so that the uniformity of drying is ensured.
[0030] The limiting and fixing mechanism comprises a limiting plate 42 and a clamping plate 41, an adjusting groove 43 is formed in the outer wall of the rotating plate 45, adjusting blocks 44 are slidably connected to the inner walls of both ends of the adjusting groove 43, the adjusting blocks 44 are threadedly connected with a two-way threaded screw rod 40, the adjusting blocks 44 are fixedly connected with the limiting plate 42, the clamping plate 41 is located in the inside of the limiting plate 42, a screw rod 39 is rotatably connected to the top of the clamping plate 41, the screw rod 39 is threadedly connected with the limiting plate 42, and the limiting and fixing mechanism arranged on the outer wall of the rotating plate 45 can limit and fix different circuit boards.
[0031] The rotating adjusting mechanism comprises a bottom plate 26 and a rotating shaft 21, the air guide box 10 is fixedly connected to the bottom of the box body 1, the first motor 9 is fixedly connected to the bottom of the air guide box 10, the first motor 9 is fixedly connected with the rotating shaft 21 at the top, the rotating shaft 21 is fixedly connected with the bottom plate 26 at the top of the outer wall, a plurality of second springs 25 are fixedly connected between the bottom plate 26 and the rotating frame 24, the rotating adjusting mechanism arranged at the bottom of the rotating frame 24 can rotate and surround the circuit boards on the outer wall of the vertical rod 16 for omnibearing drying treatment, so that the drying efficiency of the circuit board is ensured.
[0032] The air outlet drying mechanism comprises a gas pump 8 and a heating net 22, the heating net 22 is fixedly connected with the inner wall of the air guide box 10, the heating net 22 is electrically connected with the electric control device 3, the gas pump 8 is fixedly connected with the air guide box 10, the rotating shaft 21 is hollow, the air guide hole 27 is formed in the outer wall of the rotating shaft 21, the air guide hole 27 is located in the inside of the air guide box 10, the rotating frame 24 is arranged as a middle view, a plurality of air outlet pipes 23 are fixedly connected to one end of the inner wall of the rotating frame 24, the air guide hose 29 is fixedly connected between the rotating frame 24 and the rotating shaft 21, and the air outlet drying mechanism arranged on the outer wall of the rotating frame 24 can perform air outlet drying treatment on the circuit board.
[0033] The air guide box 10 is provided with a filter cover 20, the filter cover 20 is fixedly connected with the rotating shaft 21, one end of the filter cover 20 is provided with a scraper 19, and the scraper 19 is fixedly connected with the inner wall of the air guide box 10. The entering gas is filtered and treated.
[0034] The heating and drying mechanism comprises a heating plate 36 and a moving plate 35, a sliding groove 30 is formed in the bottom outer wall of the rotating frame 24, a sliding block 32 is slidably connected to the inner wall of the sliding groove 30, the sliding block 32 is threadedly connected with a threaded rod 31, one end of the threaded rod 31 is fixedly connected with a second motor 33, the second motor 33 is fixedly connected with the rotating frame 24, the top of the sliding block 32 is fixedly connected with the moving plate 35, the heating plate 36 is fixedly connected with the moving plate 35, the heating plate 36 is electrically connected with the electric control device 3, one end of the outer wall of the moving plate 35 is fixedly connected with a limiting rod 34, one end of the rotating frame 24 is provided with a slot 28, the limiting rod 34 passes through the slot 28, and the heating and drying mechanism arranged on the outer wall of the rotating frame 24 can heat and dry the circuit board;
[0035] The top of the box body 1 is fixedly connected with a suction pump 5, the bottom of the suction pump 5 is fixedly connected with a suction hood 7, the suction hood 7 is located in the box body 1, one end of the outer wall of the suction pump 5 is fixedly connected with an exhaust pipe 4, and the exhaust pipe 4 is located outside the box body 1, so that water vapor in the box body 1 can be timely exhausted, and the drying effect is guaranteed
[0036] Working principle: when in use, the limiting and fixing mechanism arranged on the outer wall of the rotating plate 45 can limit and fix different circuit boards, the rotating plate 45 and the support 46 are rotationally connected, so that the circuit board can be inclined and adjusted, the height adjusting mechanism between the support 46 and the vertical rod 16 can adjust the height of the support 46 and the circuit board, so that the drying uniformity is guaranteed, the air outlet drying mechanism arranged on the outer wall of the rotating frame 24 can perform air outlet drying treatment on the circuit board, the heating and drying mechanism arranged on the outer wall of the rotating frame 24 can perform heating and drying treatment on the circuit board, and the rotating adjusting mechanism arranged at the bottom of the rotating frame 24 can perform rotating and surrounding drying treatment on the multiple circuit boards on the outer wall of the vertical rod 16, so that the circuit board drying efficiency is guaranteed.
[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A drying device for PCB circuit board production, comprising a housing (1), wherein a cover plate (2) is rotatably connected to one outer wall of the housing (1), and an electrical control device (3) is fixedly connected to one outer wall of the housing (1), characterized in that, A top plate (6) is fixedly connected to the top of the inner wall of the box (1). A first connecting plate (13) is provided at the bottom of the top plate (6). 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). Multiple supports (46) are provided on the outer wall of the vertical rod (16). A height adjustment mechanism is provided between the supports (46) and the vertical rod (16). A rotating plate (45) is rotatably connected to the inner wall of the supports (46). A limit fixing mechanism is provided on the outer wall of the rotating plate (45). A rotating frame (24) is provided at the bottom of the vertical rod (16). The rotating frame (24) is U-shaped. A first motor (9) is provided at the bottom of the rotating frame (24). A connection is provided between the first motor (9) and the rotating frame (24). The rotating adjustment mechanism is provided. One end of the rotating frame (24) is provided with an air outlet drying mechanism, and the other end of the rotating frame (24) is provided with a heating drying mechanism. The pull-out mechanism includes a first movable block (11) and a first bolt (12). The bottom outer wall of the top plate (6) is provided with a first movable groove (18). The first movable block (11) and the first movable groove (18) are slidably connected. The bottom of the first movable block (11) is fixedly connected to the first connecting plate (13). The first bolt (12) and the first movable block (11) are threadedly connected. The connecting mechanism includes a first spring (14) and a damper (15). The bottom of the first connecting plate (13) is provided with a second connecting plate (17). The top and bottom of the first spring (14) and the damper (15) are fixedly connected to the first connecting plate (13) and the second connecting plate (17) respectively. The bottom of the second connecting plate (17) is fixedly connected to the vertical rod (16).
2. The drying equipment for PCB circuit board production according to claim 1, characterized in that, The height adjustment mechanism includes a second movable block (47) and a second bolt (38). The outer wall of the vertical rod (16) is provided with multiple second movable slots (37). The second movable block (47) and the second movable slots (37) are slidably connected. The second bolt (38) and the outer wall of the second movable block (47) are threadedly connected. The second movable block (47) and the bracket (46) are fixedly connected.
3. The drying equipment for PCB circuit board production according to claim 1, characterized in that, The limiting and fixing mechanism includes a limiting plate (42) and a clamping plate (41). An adjustment groove (43) is provided on the outer wall of the rotating plate (45). An adjustment block (44) is slidably connected to both ends of the inner wall of the adjustment groove (43). The adjustment block (44) is threadedly connected to a two-way threaded screw (40). The adjustment block (44) and the limiting plate (42) are fixedly connected. The clamping plate (41) is located inside the limiting plate (42). A screw (39) is rotatably connected to the top of the clamping plate (41). The screw (39) and the limiting plate (42) are threadedly connected.
4. The drying equipment for PCB circuit board production according to claim 1, characterized in that, The rotation adjustment mechanism includes a base plate (26) and a rotating shaft (21). An air guide box (10) is fixedly connected to the bottom of the housing (1). 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 base plate (26). A plurality of second springs (25) are fixedly connected between the base plate (26) and the rotating frame (24).
5. A drying device for PCB circuit board production according to claim 4, characterized in that, The air-drying mechanism includes an air pump (8) and a heating grid (22). The heating grid (22) is fixedly connected to the inner wall of the air guide box (10). The heating grid (22) is electrically connected to the electrical control equipment (3). The air pump (8) is fixedly connected to the air guide box (10). The rotating shaft (21) is 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 set as a center frame. Multiple air outlet pipes (23) are fixedly connected to one end of the inner wall of the rotating frame (24). An air guide hose (29) is fixedly connected to the rotating frame (24) and the rotating shaft (21).
6. The drying equipment for PCB circuit board production according to claim 5, 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), the scraper (19) and the inner wall of the air guide box (10) are fixedly connected.
7. The drying equipment for PCB circuit board production according to claim 1, characterized in that, The heating and drying mechanism includes a heating plate (36) and a moving plate (35). A 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 groove (30). A threaded screw (31) is threadedly connected to the slider (32). A second motor (33) is fixedly connected to one end of the threaded screw (31). 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 electrical control device (3). A limit rod (34) is fixedly connected to the outer wall of one end of the moving plate (35). A slot (28) is provided at one end of the rotating frame (24). The limit rod (34) passes through the slot (28).
8. 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), and 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). An exhaust pipe (4) is fixedly connected to the outer wall of one end of the air pump (5). The exhaust pipe (4) is located outside the box (1).
Citation Information
Patent Citations
Baking device for PCB processing
CN112135432A
Drying equipment for PCB production
CN217423859U