Circuit board storage rack convenient to take and place
By designing a rotatable circuit board storage rack, which utilizes airbag fixation and electric rotating rod drive, the problem of easy damage to flexible circuit boards during placement is solved, achieving convenient retrieval and efficient cooling, and improving production efficiency.
Patent Information
- Application Number
- CN202510630354.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-02-17
AI Technical Summary
During the production of rigid-flex circuit boards, the flexible circuit board is prone to bending or twisting, which is difficult to adjust manually, resulting in damage and affecting placement efficiency.
The circuit board storage rack features a rotatable design, utilizing airbag fixation and an electric rotating rod to form a V-shaped structure, facilitating the placement and removal of circuit boards. It is also protected by airflow cooling and a dust cover to prevent damage to flexible circuit boards.
It enables convenient handling of circuit boards, reduces manual operation difficulties, improves cooling efficiency, prevents damage to flexible circuit boards, and improves packaging efficiency.
Smart Images

Figure CN121535397A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of circuit board manufacturing technology, and in particular to a circuit board storage rack that is easy to access. Background Technology
[0002] Rigid-flex circuit boards, due to their unique structure and performance, are widely used in various high-tech products. The production process of rigid-flex circuit boards requires manual soldering of two rigid and flexible circuit boards. Figure 10 As shown, a rigid-flex circuit board is formed before packaging. However, due to the high temperature at the connection point after spot welding or thermoforming of the rigid and flexible circuit boards, cooling is required before packaging. Therefore, in existing technology, after forming the rigid-flex circuit board, it is usually slid into the fixed slot of a storage rack for natural cooling before packaging. However, because the rigid-flex circuit board is constrained by the flexible circuit board portion, the flexible circuit board is prone to bending or twisting when manually placing it into the fixed slot of the storage rack. This requires constant manual adjustment of the flexible circuit board, which is detrimental to the placement of the rigid-flex circuit board and can easily damage the flexible circuit board portion. Summary of the Invention
[0003] To overcome the drawbacks of the flexible circuit board being easily bent or twisted when the rigid-flex circuit board is manually placed in the fixed slot of the storage rack, requiring constant manual adjustment of the flexible circuit board, which is not conducive to the placement of the rigid-flex circuit board and is prone to damage to the flexible circuit board, the present invention provides a circuit board storage rack that is easy to pick up and put down.
[0004] The technical solution is as follows: A circuit board storage rack that is easy to access includes a fixed frame; it also includes a first electric rotating rod, a first fixed plate, a storage plate, a second fixed plate, a connecting block, and an airbag; the first electric rotating rod is rotatably connected to the fixed frame; several first fixed plates arranged in a circular array are fixedly connected to the first electric rotating rod; each first fixed plate has two sliding grooves; all sliding grooves on the same first fixed plate are slidably connected to a storage plate for storing rigid-flex circuit boards; the storage plate is U-shaped; the storage plate has a cooling groove for cooling the rigid-flex circuit boards; each first fixed plate is provided with a sliding frame; each first fixed plate is slidably connected to a second fixed plate through the sliding frame; the second fixed plate is provided with an airbag for fixing the rigid-flex circuit boards, and the airbag is expanded by a built-in air pump on the second fixed plate; the first fixed plate is provided with a connecting block; the connecting block has a connecting groove; the cooling groove is opposite to the connecting groove; several suction pumps are provided on the first fixed plate, and the suction pumps are opposite to the cooling groove.
[0005] Preferably, it also includes fixing blocks; the storage plate is provided with several fixing blocks for restricting the placement of the rigid-flex circuit board.
[0006] Preferably, a dust cover is also included; the dust cover is fixedly attached to the mounting bracket.
[0007] As a preferred option, it also includes dustproof tubes; several dustproof tubes are fixedly connected to the dustproof cover, and each dustproof tube has several air blowing holes.
[0008] Preferably, it also includes a second electric rotating rod; the airbag consists of three independent small airbags: a first airbag, a second airbag, and a third airbag; two second electric rotating rods are rotatably connected to the second fixed plate; the output shafts of the two second electric rotating rods are respectively fixedly connected to the first airbag and the third airbag; the second electric rotating rods are used to drive the airbag to rotate.
[0009] Preferably, the surface of the airbag is patterned.
[0010] Preferably, the connecting blocks are made of rubber.
[0011] Preferably, the storage plate has through holes; the second fixing plate has grooves.
[0012] Preferably, the mounting bracket is equipped with pulleys.
[0013] Preferably, it also includes a visual inspection head; the visual inspection head is fixedly attached to the dust cover.
[0014] The beneficial effects are: by adopting a rotatable design, this invention avoids the need to bend over and tiptoe when manually placing rigid-flex circuit boards, compared with the existing storage racks, making it more convenient to pick up and put down. By utilizing the characteristics of rigid-flex circuit boards, they are placed separately on a storage board and secured with airbags, which avoids the problems of flexible circuit boards bending and being damaged, and rigid-flex circuit boards being difficult to place, as is the case with existing rigid-flex circuit boards. By using an airbag to support the rigid-flex circuit board and utilizing the reserved space thickness from the lower side of the second fixing plate to the back plate, a space is reserved between the antistatic bubble wrap and the rigid-flex circuit board. This allows the antistatic bubble wrap to have sufficient allowance to fold along the flexible circuit board when the rigid-flex circuit board is manually bent. Unlike existing methods where the antistatic bubble wrap is directly wrapped around the rigid-flex circuit board, this avoids excessive friction between the components on the rigid-flex circuit board and the antistatic bubble wrap when the rigid-flex circuit board is bent, which could lead to damage to the components on the rigid-flex circuit board or breakage of the antistatic bubble wrap. The first and third airbags are driven to rotate by the second electric rotating rod, so that the rigid-flex circuit board forms a V-shaped structure, which guides the back side of the rigid circuit board to fit together. This distinguishes the rigid-flex circuit board from the flat state when it is bent, making it easier to bend the rigid-flex circuit board manually and speeding up the packaging efficiency. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the circuit board storage rack for easy access according to the present invention; Figure 2 This is a cross-sectional view of the dust cover for the circuit board storage rack of the present invention, which facilitates access and placement. Figure 3 This is a three-dimensional structural diagram of the combination of the first fixing plate, the storage plate, and the second fixing plate of the present invention; Figure 4 This is a schematic diagram showing the state of the fixing block being pulled out according to the present invention; Figure 5 This is a three-dimensional structural diagram of the combination of the first fixing plate, storage plate, second fixing plate, sliding frame and connecting block of the present invention, wherein the second fixing plate is in the pulled-out state; Figure 6 This is a schematic diagram showing the installation position of the air pump of the present invention. Figure 7 This is a three-dimensional structural diagram of the second fixing plate and airbag assembly of the present invention; Figure 8 This is a schematic diagram showing the first fixing plate, storage plate, and second fixing plate of the present invention with the dust cover rotated out. Figure 9 This is a three-dimensional structural diagram of the combination of the first airbag and the second electric rotating rod of the present invention; Figure 10 This is a three-dimensional structural diagram of a flexible circuit board and a rigid circuit board combined to form a rigid-flex circuit board according to the present invention. Figure 11 This is a three-dimensional structural diagram of the first airbag, third airbag, antistatic bubble film, and rigid-flex circuit board assembly of the present invention.
[0016] Explanation of reference numerals in the attached drawings: 1-Fixed frame, 2-First electric rotating rod, 3-First fixed plate, 3001-Sliding groove, 3002-Sliding frame, 4-Storage plate, 4001-Fixed block, 4002-Cooling groove, 5-Second fixed plate, 5001-Evacuation pump, 101-Dust cover, 102-Connecting block, 10201-Connecting groove, 103-Airbag, 10301-First airbag, 10302-Second airbag, 10303-Third airbag, 104-Second electric rotating rod, 106-Dustproof tube, 107-Vision inspection head, 201-Antistatic bubble wrap, 100-Rigid-flex circuit board, 200-Flexible circuit board, 300-Rigid circuit board. Detailed Implementation
[0017] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.
[0018] Example 1 like Figures 1-11 As shown, a circuit board storage rack that is easy to access includes a fixing frame 1; It also includes a first electric rotating rod 2, a first fixed plate 3, a storage plate 4, a second fixed plate 5, a connecting block 102, and an airbag 103; the first electric rotating rod 2 is rotatably connected to the fixed frame 1, the first electric rotating rod 2 is composed of a rotating rod and a motor, the motor is used to drive the rotating rod to rotate; several first fixed plates 3 are fixedly connected to the first electric rotating rod 2 in a circular array; each first fixed plate 3 has two sliding grooves 3001; all sliding grooves 3001 on the same first fixed plate 3 are slidably connected to the storage plate 4; the storage plate 4 is U-shaped; the storage plate 4 has cooling grooves. 4002; Each first fixed plate 3 is provided with a sliding frame 3002; Each first fixed plate 3 is slidably connected to a second fixed plate 5 through the sliding frame 3002; An airbag 103 is provided on the second fixed plate 5, and the airbag 103 is inflated by a built-in air pump on the second fixed plate 5; A connecting block 102 is provided on the first fixed plate 3; A connecting groove 10201 is opened on the connecting block 102; The cooling groove 4002 is directly opposite the connecting groove 10201; Several suction pumps 5001 are provided on the first fixed plate 3, and the suction pumps 5001 are directly opposite the cooling groove 4002.
[0019] It also includes a fixing block 4001; several fixing blocks 4001 are provided on the storage plate 4.
[0020] It also includes a dust cover 101; the dust cover 101 is fixedly attached to the mounting bracket 1 to prevent external impurities, such as dust and solder slag, from adhering to the rigid-flex circuit board 100.
[0021] It also includes a dustproof tube 106; several dustproof tubes 106 are fixedly connected to the dustproof cover 101, and each dustproof tube 106 has several air blowing holes. Airflow is sprayed out through the dustproof tube 106 to form an air curtain to intercept external impurities. At the same time, gas is sprayed out through the dustproof tube 106 inside the dustproof cover 101 to accelerate the cooling speed of the rigid-flex circuit board 100.
[0022] It also includes a second electric rotating rod 104; the airbag 103 is composed of three independent small airbags: a first airbag 10301, a second airbag 10302, and a third airbag 10303; two second electric rotating rods 104 are rotatably connected to the second fixed plate 5. The second electric rotating rod 104 is composed of a rotating rod and a motor, and the motor is used to drive the rotating rod to rotate; the output shafts of the two second electric rotating rods 104 are respectively fixedly connected to the first airbag 10301 and the third airbag 10303; the second electric rotating rods 104 are used to drive the airbags 103 to rotate, assisting workers in packaging the rigid-flex circuit board 100.
[0023] The surface of the airbag 103 is patterned to increase the friction between the airbag 103 and the rigid-flex circuit board 100, so that the airbag 103 can hold the rigid-flex circuit board 100 more firmly and prevent the rigid-flex circuit board 100 from sliding or shifting during the fixing process.
[0024] The connecting block 102 is made of rubber to prevent the flexible circuit board 200 on the rigid-flex circuit board 100 from vibrating slightly and rubbing against the connecting block 102 when the rigid-flex circuit board 100 is cooled by airflow, thus avoiding damage to the flexible circuit board 200 on the rigid-flex circuit board 100.
[0025] The storage plate 4 has a through hole; the second fixing plate 5 has a groove, which facilitates manual pulling of the storage plate 4 and the second fixing plate 5.
[0026] The fixed frame 1 is equipped with pulleys for easy movement.
[0027] The rigid-flex circuit board 100 consists of two rigid circuit boards 300 and one flexible circuit board 200. The flexible circuit board 200 is used to connect the two rigid circuit boards 300. The following describes the storage process of the rigid-flex circuit board 100: Taking the first fixed plate 3 and its components near the spot weld and parallel to the ground as an example, after the rigid-flex circuit board 100 is spot welded, the storage plate 4 is manually pulled out, and the rigid-flex circuit board 100 is placed as shown in the image. Figure 3 As shown, the rigid-flex circuit board 100 is placed on the storage plate 4, and its back side is attached to the storage plate 4. Then, the storage plate 4 is manually pushed into the first fixing plate 3 to return to its original position. Figure 5As shown, at this time, the storage plate 4 is in contact with the connecting block 102, and the cooling tank 4002 is directly opposite the corresponding connecting tank 10201. After the storage plate 4 is manually pushed into the first fixing plate 3 and returned to its original position, the air pump, vacuum pump 5001 and the first electric rotating rod 2 built into the second fixing plate 5 can be started manually. The air pump built into the second fixing plate 5 inflates the airbag 103, causing the airbag 103 to expand and fix the rigid-flex circuit board 100. The first airbag 10301 and the third airbag 10303 are used... The rigid circuit board 300 is fixed, the second airbag 10302 is used to fix the flexible circuit board 200, the air pump 5001 blows air into the cooling tank 4002 and the connecting tank 10201, the airflow flows through the back side of the rigid-flex circuit board 100 to cool the rigid-flex circuit board 100, the first electric rotating rod 2 drives the first fixing plate 3 containing the rigid-flex circuit board 100 and its parts to rotate into the dust cover 101, and makes the next first fixing plate 3 and its parts rotate to a horizontal state.
[0028] The following describes the removal and packaging process of the rigid-flex circuit board 100: like Figure 8 As shown, as the rigid-flex circuit board 100 continues to be stored, the first fixing plate 3, which initially holds the rigid-flex circuit board 100, gradually rotates out of the dust cover 101. The second fixing plate 5 is then positioned below the rigid-flex circuit board 100. At this point, the air pump 5001 is manually activated to deflate the airbag 103. During the deflation process, the rigid-flex circuit board 100 moves downwards along with the airbag 103, detaching from the storage plate 4. Then, the second fixing plate 5 is manually pulled outwards along the sliding frame 3002. Subsequently, the anti-static bubble wrap 201 is manually held... Figure 11 As shown, it is wound around the second fixed plate 5 and the rigid-flex circuit board 100, and then as... Figure 9 As shown, the second electric rotating rod 104 drives the first airbag 10301 and the third airbag 10303 to rotate, causing the airbag 103 located on the front and rear sides of the second fixed plate 5 to tilt upwards, as shown. Figure 11 As shown, the rigid-flex circuit board 100 is made into a V-shape. Then, a person holds the rigid-flex circuit board 100 through the anti-static bubble wrap 201 with one hand and pushes the second fixing plate 5 back to its original position with the other hand to remove the rigid-flex circuit board 100 from the second fixing plate 5. Then, the person bends the rigid-flex circuit board 100 so that the back sides of the two rigid circuit boards 300 are touching. At this point, the rigid-flex circuit board 100 is removed and packaged. When the second fixing plate 5 is pushed back to its original position, the second electric rotating rod 104 is driven to drive the airbag 103 back to its initial state to continue storing the rigid-flex circuit board 100.
[0029] Based on the above workflow, we can see that the present invention has the following effects: Compared with existing storage racks, the storage rack of the present invention adopts a rotatable design, which avoids the need to bend over and tiptoe when manually placing rigid-flex circuit boards 100, making it more convenient to pick up and put down.
[0030] Based on the characteristics of the rigid-flex circuit board 100, it is placed separately on the storage plate 4 and fixed by the airbag 103. This differs from the existing placement operation of inserting the rigid-flex circuit board 100 into the slot. This avoids bending and damage to the flexible circuit board 200 when the rigid-flex circuit board 100 is placed, and also avoids the problem of the rigid-flex circuit board 100 being difficult to place. At the same time, after the rigid-flex circuit board 100 is placed on the storage plate 4, the cooling effect on the rigid-flex circuit board 100 can be improved by the airflow blown into the cooling tank 4002 and the connecting tank 10201. This is different from natural cooling, which can improve production efficiency.
[0031] After the rigid-flex circuit board 100 is stored, the dust cover 101 is used to cover the dust and solder slag in the soldering area to prevent dust and solder slag from adhering to the rigid-flex circuit board 100.
[0032] After the rigid-flex circuit board 100 is removed from the dust cover 101, it is supported by the airbag 103. The thickness of the distance from the lower side of the second fixing plate 5 to the back plate of the rigid-flex circuit board 100 ensures that when the antistatic bubble wrap 201 is manually wrapped around the rigid-flex circuit board 100, there is sufficient space between the antistatic bubble wrap 201 and the rigid-flex circuit board 100. This allows the antistatic bubble wrap 201 to fold along the flexible circuit board 200 when the rigid-flex circuit board 100 is bent manually. Unlike existing methods where the antistatic bubble wrap 201 is directly wrapped around the rigid-flex circuit board 100, this avoids excessive friction between the components on the rigid-flex circuit board 100 and the antistatic bubble wrap 201 when the rigid-flex circuit board 100 is bent, preventing damage to the components or the antistatic bubble wrap 201.
[0033] By configuring the airbag 103 to consist of three independent airbags 103, namely the first airbag 10301, the second airbag 10302, and the third airbag 10303, and using a single integral airbag 103 to expand and fix the rigid-flex circuit board 100, the airbag 103 can prevent the airbag 103 from affecting the fixation of the flexible circuit board 200 due to the limitations of the electrical components on the rigid-flex circuit board 100.
[0034] The first airbag 10301 and the third airbag 10303 are driven to rotate by the second electric rotating rod 104, so that the rigid-flex circuit board 100 forms a V-shaped structure, guiding the back side of the rigid circuit board 300 to fit together, which distinguishes the rigid-flex circuit board 100 from the flat state for bending, making it easier to manually bend the rigid-flex circuit board 100 and speeding up the packaging efficiency.
[0035] The additional technical effects of this invention are as follows: Among them, such as Figure 2 As shown, gas is blown out through the dustproof pipe 106 to form an air curtain on the outside of the storage plate 4, which blocks dust and welding slag from the welding site and enhances the cooling of the rigid-flex circuit board 100 inside the dustproof cover 101.
[0036] By setting the connecting block 102 to a rubber material, airflow is prevented from flowing through the cooling groove 4002 and the connecting groove 10201 to cool the rigid-flex circuit board 100. During this process, the flexible circuit board 200 is prevented from rubbing against the connecting block 102 due to micro-vibration, thus preventing the flexible circuit board 200 from being worn.
[0037] Example 2 Based on Example 1, such as Figure 2 and Figure 8 As shown, it also includes a visual inspection head 107; the visual inspection head 107 is fixedly attached to the dust cover 101; the visual inspection head 107 is used to inspect the welding points during the hot pressing welding of the rigid-flex circuit board 100.
[0038] The working principle of the above embodiments is as follows: During the process of pulling out the rigid-flex circuit board 100 described in the embodiment from the wrapping of antistatic bubble wrap 201: Before wrapping the antistatic bubble wrap 201, the spot welds on the back side of the rigid-flex circuit board 100 are inspected by the visual inspection head 107 to check whether cracks are generated at the welded parts after the rigid-flex circuit board 100 has cooled.
[0039] Based on the above working principle, we can see that the present invention has the following effects: After cooling, the welded area is immediately inspected using the visual inspection head 107, which can promptly detect minute cracks caused by temperature changes or stress concentration. This helps avoid potential quality problems and ensures product reliability.
[0040] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.
Claims
1. A circuit board storage rack for easy access, comprising a fixing frame (1); characterized in that, It also includes a first electric rotating rod (2), a first fixed plate (3), a storage plate (4), a second fixed plate (5), a connecting block (102), and an airbag (103); the first electric rotating rod (2) is rotatably connected to the fixed frame (1); several first fixed plates (3) arranged in a circular array are fixedly connected to the first electric rotating rod (2); each first fixed plate (3) has two sliding grooves (3001); all the sliding grooves (3001) on the same first fixed plate (3) are slidably connected to a storage plate (4) for storing rigid-flex circuit boards (100); the storage plate (4) is U-shaped; the storage plate (4) has a cooling groove (4002) for cooling the rigid-flex circuit boards (100); each Each of the first fixing plates (3) is provided with a sliding frame (3002); each of the first fixing plates (3) is slidably connected to a second fixing plate (5) through the sliding frame (3002); the second fixing plate (5) is provided with an airbag (103) for fixing the rigid-flex circuit board (100), and the airbag (103) is expanded by a built-in air pump on the second fixing plate (5); the first fixing plate (3) is provided with a connecting block (102); the connecting block (102) is provided with a connecting groove (10201); the cooling groove (4002) is directly opposite to the connecting groove (10201); the first fixing plate (3) is provided with a number of suction pumps (5001), and the suction pumps (5001) are directly opposite to the cooling groove (4002).
2. The circuit board storage rack for easy access according to claim 1, characterized in that, It also includes a fixing block (4001); the storage plate (4) is provided with a number of fixing blocks (4001) for restricting the placement of the rigid-flex circuit board (100).
3. The circuit board storage rack for easy access according to claim 1, characterized in that, It also includes a dust cover (101); the dust cover (101) is fixedly attached to the bracket (1).
4. The circuit board storage rack for easy access according to claim 3, characterized in that, It also includes a dustproof tube (106); a number of dustproof tubes (106) are fixedly connected to the dustproof cover (101), and each dustproof tube (106) has a number of air blowing holes.
5. A circuit board storage rack for easy access according to claim 1, characterized in that, It also includes a second electric rotating rod (104); the airbag (103) is composed of three independent small airbags: the first airbag (10301), the second airbag (10302), and the third airbag (10303); two second electric rotating rods (104) are rotatably connected to the second fixed plate (5); the output shafts of the two second electric rotating rods (104) are fixedly connected to the first airbag (10301) and the third airbag (10303) respectively; the second electric rotating rods (104) are used to drive the airbag (103) to rotate.
6. A circuit board storage rack for easy access according to claim 5, characterized in that, The surface of the airbag (103) is decorated with patterns.
7. A circuit board storage rack for easy access according to claim 1, characterized in that, Connecting block (102) is set to rubber material.
8. A circuit board storage rack for easy access according to claim 1, characterized in that, The storage plate (4) has a through hole; the second fixing plate (5) has a groove.
9. A circuit board storage rack for easy access according to claim 1, characterized in that, The fixed frame (1) is equipped with pulleys.
10. A circuit board storage rack for easy access according to claim 3, characterized in that, It also includes a visual inspection head (107); the visual inspection head (107) is fixed on the dust cover (101).