BGA repair table heating system
The hot air circulation system of the air collection box and return box solves the problem of high energy consumption of the existing BGA rework station heating system, realizes efficient heating and fast clamping, and improves work efficiency and practicality.
Patent Information
- Application Number
- CN202423018153.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-09
AI Technical Summary
The existing BGA rework station heating system consumes a lot of energy when heating with hot air for a long time, and has low heat conversion efficiency, which leads to increased operating costs and reduced work efficiency.
The hot air circulation system, consisting of components such as a collecting box, a return box, and a micro motor, heats the gas through an electric heating wire, circulates the heated gas through a fan, and adjusts the height of the guide shroud through gears and connecting rods to achieve gas reheating and efficient utilization.
It improves heating efficiency, reduces energy consumption, enhances work efficiency, and enables quick clamping through a clamping structure, thus improving the practicality of operation.
Smart Images
Figure CN223584420U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to circuit board repair technical field especially relates to a BGA repair station heating system. BACKGROUND
[0002] BGA is a kind of integrated circuit packaging technology, it distributes multiple pins in array form on the bottom of chip, because its high density, good electrical performance and reliability are widely used in modern electronic equipment, with the development of technology, the size of BGA package is smaller and smaller starts eBGA and uBGA, provide support for the miniaturization, high performance and low power consumption of electronic equipment, and the repair of BGA is still more difficult.
[0003] The repair of BGA refers to the process of disassembling, cleaning and replacing BGA chip that has been assembled to printed circuit board, because the pins of BGA chip are very dense and the welding point is small, the repair process is more complex and difficult, it is necessary to ensure that the repair environment is dust-free and electrostatic-free during the repair process to prevent dust and static electricity from causing damage to the chip, and it is necessary to use multimeter and network analyzer tools to detect the electrical performance of BGA chip after repair to ensure the welding quality.
[0004] When desoldering BGA, the existing BGA repair station can use hot air to heat the object to be repaired to desolder and repair, but long-time hot air heating will consume a large amount of energy to heat the air, the heat conversion efficiency is low, which leads to high use cost and low work efficiency. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a kind of BGA repair station heating system, to improve the existing BGA repair station heating system in prior art is long-time hot air heating will consume a large amount of energy to heat the air, the heat conversion efficiency is low, which leads to the problem of high use cost.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of BGA repair station heating system, including base, the top of the base is close to the edge It is fixedly connected with reflow box, the top rear side of the base is fixedly connected with air collecting box, the inner wall of the air collecting box is fixedly connected with filter plate one, the inner wall middle part of the air collecting box is fixedly connected with electric heating wire, the top of the air collecting box is fixedly connected with fixed block, the top rear side of the air collecting box is fixedly connected with micro motor, the front side of the fixed block is equipped with sliding slot, the inner wall rear side of the sliding slot is equipped with guide groove two, the inner wall sliding connection of the guide groove two has sliding block, the rear side of the fixed block is close to the edge and is rotatably connected with multiple rotating shaft two, the outer wall of the rotating shaft two is fixedly connected with gear two, the rear side of the gear two is rotatably connected with rotating shaft one, the rear end of the rotating shaft one is fixedly connected with connecting rod, the left and right sides of the sliding block are fixedly connected with rack, the front side of the sliding block is fixedly connected with flow guide cover, the inner wall of the flow guide cover is communicated with fan, the input end of the fan is communicated with hose, the inner wall left and right sides of the air collecting box are communicated with connecting pipe, the inner wall of the reflow box is rotatably connected with multiple rotating plate, the inner wall middle part of the reflow box is fixedly connected with filter plate two, the output end of the micro motor is fixedly connected with gear two, the outer wall of the gear two is engaged with the outer surface of gear one, the inner wall left and right sides of the base are slidingly connected with clamping structure, and the clamping structure is used for quickly clamping the material to be repaired.
[0007] As a further description of the above technical solution:
[0008] The clamping structure includes a positioning block, the outer wall of the positioning block is slidingly connected with the inner wall of the base, the top of the positioning block is rotatably connected with multiple rotating blocks, the inner wall of the rotating block is slidingly connected with a clamping block, the top of the rotating block is provided with a guide groove one, the inner wall of the guide groove one is provided with multiple limiting grooves on the left and right sides, the top of the clamping block is fixedly connected with a fixed rod, the top end of the fixed rod is fixedly connected with a limiting disc, the inner wall of the limiting groove is slidingly connected with a limiting block, the top of the limiting block is fixedly connected with a spring, and the top surface middle part of the base is slidingly connected with a repair disc.
[0009] As a further description of the above technical solution:
[0010] Multiple rotating blocks are rotatably connected at the same horizontal height, and the inner wall of the limiting block is slidingly connected with the outer wall of the fixed rod.
[0011] As a further description of the above technical solution:
[0012] The top front side of the base is fixedly connected with a controller, and the controller is electrically connected with the micro motor and the fan respectively.
[0013] As a further description of the above technical solution:
[0014] The bottom of the base is fixedly connected with four supporting legs, and the bottom of each supporting leg is fixedly connected with an anti-skid pad.
[0015] As a further description of the above technical solution:
[0016] The right side of the base is fixedly connected with a nameplate, and the inner wall of the nameplate is threadedly connected with a plurality of screws.
[0017] As a further description of the above technical solution:
[0018] The bottom end of the hose is in communication with the inner wall of the air collecting box, and the plurality of return boxes are fixedly connected at the same horizontal height.
[0019] As a further description of the above technical solution:
[0020] The rear side of the flow guide cover is attached to the front side of the fixing block, and the front end of the connecting pipe is in communication with the inner wall of the return box.
[0021] The utility model has the advantages of the following:
[0022] 1. In the utility model, the gas entering the air collecting box is heated by starting the heating wire, and then the fan is started to draw the gas in the air collecting box through the hose and blow it out from the flow guide cover. The blown gas enters the return box through the rotating plate and then enters the air collecting box along the heating wire. Starting the micro motor drives gear two to rotate, which drives connecting rod to rotate the remaining gear one and engage with the rack, thereby adjusting the height of the flow guide cover. The purpose of recycling the not completely cooled gas is achieved, the heating efficiency is improved, and the energy consumption is reduced.
[0023] 2. In the utility model, the clamping block is aligned with the object by rotating the rotating block, and then the limiting block is pulled upward to extrude the spring along the limiting disc to disengage from the clamping of the limiting groove. After the object is clamped by pushing the clamping block along the guide groove, the limiting block is released to engage with the limiting groove to limit the structure. The purpose of quick clamping is achieved, the work efficiency is improved, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A front side perspective view of a BGA repair bench heating system is provided for the utility model;
[0025] Figure 2 A side view of a BGA repair bench heating system is provided for the utility model;
[0026] Figure 3 A Figure 2 enlarged view of A of the utility model;
[0027] Figure 4A partial structure split drawing of the clamping block of the BGA repair bench heating system is provided in the utility model.
[0028] Figure 5 A partial structure split drawing of the air collecting box of the BGA repair bench heating system is provided in the utility model.
[0029] Figure 6 A partial structure split drawing of the rotating plate of the BGA repair bench heating system is provided in the utility model.
[0030] Figure 7 A partial structure split drawing of the rotating plate of the BGA repair bench heating system is provided in the utility model.
[0031] Legend:
[0032] 1, base; 2, clamping structure; 201, repair disc; 202, positioning block; 203, limiting disc; 204, limiting block; 205, limiting groove; 206, clamping block; 207, guide groove one; 208, rotating block; 209, fixed rod; 210, spring; 3, air collecting box; 4, filter plate one; 5, sliding groove; 6, hose; 7, fan; 8, flow guide cover; 9, backflow box; 10, fixed block; 11, rotating shaft one; 12, connecting rod; 13, gear one; 14, rotating shaft two; 15, rack; 16, gear two; 17, micro motor; 18, heating wire; 19, connecting pipe; 20, rotating plate; 21, filter plate two; 22, controller; 23, non-slip pad; 24, guide groove two; 25, nameplate; 26, screw; 27, supporting leg; 28, sliding block. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.
[0034] Please refer to the drawings in the embodiments of the utility model Figure 1 - the drawings in the embodiments of the utility model Figure 3The utility model provides an embodiment: a kind of BGA repair bench heating system, the top of base 1 is close to the edge place and is uniformly fixedly connected with backflow box 9, base 1 is used to support whole device, the top rear side of base 1 is fixedly connected with air collector 3, the inner wall of air collector 3 is fixedly connected with filter plate one 4, the inner wall middle part of air collector 3 is fixedly connected with electric heating wire 18, backflow box 9 is used to collect the hot air of blowing, the top of air collector 3 is fixedly connected with fixed block 10, the top rear side of air collector 3 is fixedly connected with micro motor 17, the front side of fixed block 10 is equipped with sliding slot 5, the inner wall rear side of air collector 3 is equipped with guide groove two 24, the inner wall of guide groove two 24 is slidably connected with sliding block 28, the rear side of fixed block 10 is close to the edge place and is rotatably connected with multiple rotating shaft two 14, micro motor 17 is used to provide power for adjustment, the outer wall of rotating shaft two 14 is fixedly connected with gear two 16, the rear side of gear two 16 is rotatably connected with rotating shaft one 11, the rear end of rotating shaft one 11 is fixedly connected with connecting rod 12, connecting rod 12 is used to transmit the rotation of micro motor 17;
[0035] Specifically, backflow box 9 provides a backflow for hot air circulation during the repair process, air collector 3 can collect the gas backflowed in backflow box 9 and heat it again, thereby reducing the heat required for heating, electric heating wire 18 can heat the gas in air collector 3, micro motor 17 provides power for adjusting the height of the hot air blown to the object, base 1 can support the entire structure and ensure that it is not affected during the repair and heating process, multiple rotating shaft two 14 are distributed in a staggered manner, so that they can be driven to rotate together by connecting rod 12, guide groove two 24 is used to guide the movement of sliding block 28.
[0036] Please refer to the accompanying drawings Figure 4 The accompanying drawings Figure 6 The left and right sides of sliding block 28 are fixedly connected with rack 15, the front side of sliding block 28 is fixedly connected with fairing 8, the inner wall of fairing 8 is communicated with fan 7, fairing 8 is used to guide the gas to blow to the object, the input end of fan 7 is communicated with hose 6, the inner wall left and right sides of air collector 3 are communicated with connecting pipe 19, the inner wall of backflow box 9 is rotatably connected with multiple rotating plates 20, the inner wall middle part of backflow box 9 is fixedly connected with filter plate two 21, fan 7 is used to help gas circulation, the output end of micro motor 17 is fixedly connected with gear two 16, the outer wall of gear two 16 is meshingly connected with the outer surface of gear one 13, filter plate two 21 is used to filter dust from the outside to prevent the structure from being blocked, the inner wall left and right sides of base 1 are slidably connected with clamping structure 2, clamping structure 2 is used to quickly clamp the material to be repaired, the rear side of fairing 8 is attached to the front side of fixed block 10, the front end of connecting pipe 19 is communicated with the inner wall of backflow box 9, and connecting pipe 19 can lead the gas in backflow box 9 out;
[0037] Specifically, the role of the filter plate two 21 is to intercept and separate the impurities in the airflow, ensure the cleanliness of the input airflow, the rotating plate 20 can adjust the speed of the backflow collection gas in the backflow box 9 by rotating, the fairing 8 can guide the gas blown by the fan 7 to gather on the object, reduce the loss of energy, the connecting pipe 19 makes the gas recycled in the backflow box 9 can flow into the air collecting box 3 again for heating, the sliding block 28 makes the fairing 8 can move up and down, reduce the distance between the object, thereby reducing the loss of hot air, the gear two 16 is used to transmit the power output by the micro motor 17 to the rest of the structure.
[0038] Please refer to the attached Figure 5 -attached Figure 7 The clamping structure 2 comprises a positioning block 202, the outer wall of the positioning block 202 is in sliding connection with the inner wall of the base 1, a plurality of rotating blocks 208 are rotationally connected to the top of the positioning block 202, the positioning block 202 is used to support the clamping structure 2, a clamping block 206 is in sliding connection with the inner wall of the rotating block 208, a guide groove one 207 is formed in the top of the rotating block 208, a plurality of limiting grooves 205 are formed in the inner wall of the left and right sides of the guide groove one 207, the clamping block 206 is used to slide and clamp the object, a fixed rod 209 is fixedly connected to the top of the clamping block 206, a limiting disc 203 is fixedly connected to the top end of the fixed rod 209, a limiting block 204 is in sliding connection with the inner wall of the limiting groove 205, the guide groove one 207 is used to guide the sliding direction of the clamping block 206, a spring 210 is fixedly connected to the top of the limiting block 204, a repair disc 201 is in sliding connection with the top surface of the base 1, the plurality of rotating blocks 208 are rotationally connected at the same horizontal height, the inner wall of the limiting block 204 is in sliding connection with the outer wall of the fixed rod 209, and the repair disc 201 is used to place the object;
[0039] Specifically, the spring 210 can provide a spring force to make the limiting block 204 slide downward along the fixed rod 209, so as to be clamped with the limiting groove 205, so that the whole structure is limited, the guide groove one 207 can be attached to the outer wall of the fixed rod 209, so as to guide the sliding direction of the clamping block 206, the clamping block 206 can be extruded and limited on the left and right sides of the object through the plurality of its top, the rotating blocks 208 at the same height ensure the stability during clamping, and the repair disc 201 can place the object thereon and slide on the top of the base 1, so as to ensure that it can be uniformly heated.
[0040] Please refer to the attached Figure 2 -attached Figure 4The right side of the base 1 is fixedly connected with a nameplate 25, a plurality of screws 26 are threadedly connected to the inner wall of the nameplate 25, the nameplate 25 is used to help the user understand the relevant information of the device, the top front side of the base 1 is fixedly connected with a controller 22, the controller 22 is electrically connected with the micro motor 17 and the fan 7 respectively, the bottom end of the hose 6 is in communication with the inner wall of the air collecting box 3, the controller 22 can control the electrical elements in the device, the plurality of backflow boxes 9 are fixedly connected at the same horizontal height, the bottom of each of the four corners of the base 1 is fixedly connected with a supporting leg 27, the bottom of the supporting leg 27 is fixedly connected with an anti-skid pad 23, and the anti-skid pad 23 is used to prevent the device from being returned for repair due to shaking during use;
[0041] Specifically, the nameplate 25 can help the user use and understand the device, the screws 26 can fix the nameplate 25 in a conspicuous position, so that the user can quickly find and discover the relevant information of the device, the controller 22 can control the start and stop of the entire device by controlling a plurality of electrical elements, and the model of the micro motor 17 is RS-365SH, and the model of the fan 7 is HTF-ICu.
[0042] Working principle: when the heating for repair is carried out, first, the object is placed on the top of the base 1, then the heating wire 18 is started to heat the gas around the object, then the fan 7 is started to suck the heated gas in the air collecting box 3 through the hose 6 and blow it on the object from the flow guide cover 8 to heat the object, at the same time, the gas that has not completely cooled is blown out and enters the filter plate two 21 to be filtered and then enters the backflow box 9, and then is backflowed to the air collecting box 3 from the connecting pipe 19, so that it is heated again, at the same time, the micro motor 17 is started to drive the gear two 16 to rotate, so as to drive the gear one 13 on both sides to rotate, so that the rotating shaft two 14 rotates and drives the remaining gears to rotate in turn and mesh with the rack 15, so that it can move up and down to adjust the position of the flow guide cover 8 and reduce the loss of hot air;
[0043] When the object needs to be positioned, first, it is placed on the top of the repair disc 201, then the rotating block 208 is rotated to align the fixed rod 209 with the object, then the limiting block 204 is pulled upwards to extrude the spring 210 and move up and down along the limiting disc 203, so that the limiting block 204 is disengaged from the clamping of the limiting groove 205, then the clamping block 206 is pushed along the guide groove one 207 to be clamped with the object to limit the position of the object.
[0044] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A BGA rework station heating system comprising a base (1) characterised in that: The top of the base (1) is fixedly connected with a return box (9) near the edge, the top rear side of the base (1) is fixedly connected with a wind collecting box (3), the inner wall of the wind collecting box (3) is fixedly connected with a filter plate one (4), the inner wall of the middle of the wind collecting box (3) is fixedly connected with an electric heating wire (18), the top of the wind collecting box (3) is fixedly connected with a fixed block (10), the top rear side of the wind collecting box (3) is fixedly connected with a micro motor (17), the front side of the fixed block (10) is provided with a sliding groove (5), the rear side of the inner wall of the sliding groove (5) is provided with a guide groove two (24), the inner wall of the guide groove two (24) is slidably connected with a sliding block (28), the rear side of the fixed block (10) is rotatably connected with a plurality of rotating shaft two (14) near the edge, the outer wall of the rotating shaft two (14) is fixedly connected with a gear two (16), the rear side of the gear two (16) is rotatably connected with a rotating shaft one (11), the rear end of the rotating shaft one (11) is fixedly connected with a connecting rod (12), the left and right sides of the sliding block (28) are fixedly connected with a rack (15), the front side of the sliding block (28) is fixedly connected with a flow guide cover (8), the inner wall of the flow guide cover (8) is communicated with a fan (7), the input end of the fan (7) is communicated with a hose (6), the left and right sides of the inner wall of the wind collecting box (3) are communicated with a connecting pipe (19), the inner wall of the return box (9) is rotatably connected with a plurality of rotating plates (20), the middle of the inner wall of the return box (9) is fixedly connected with a filter plate two (21), the output end of the micro motor (17) is fixedly connected with a gear two (16), the outer wall of the gear two (16) is meshingly connected with the outer surface of a gear one (13), the left and right sides of the inner wall of the base (1) are slidably connected with a clamping structure (2), and the clamping structure (2) is used for quickly clamping materials to be repaired.
2. The BGA rework station heating system of claim 1, wherein: The clamping structure (2) comprises a positioning block (202), the outer wall of the positioning block (202) is slidably connected with the inner wall of the base (1), the top of the positioning block (202) is rotatably connected with a plurality of rotating blocks (208), the inner wall of the rotating block (208) is slidably connected with a clamping block (206), the top of the rotating block (208) is provided with a guide groove one (207), the left and right sides of the inner wall of the guide groove one (207) are provided with a plurality of limiting grooves (205), the top of the clamping block (206) is fixedly connected with a fixed rod (209), the top end of the fixed rod (209) is fixedly connected with a limiting disc (203), the inner wall of the limiting groove (205) is slidably connected with a limiting block (204), the top of the limiting block (204) is fixedly connected with a spring (210), and the top surface of the base (1) is slidably connected with a repair disc (201).
3. The BGA rework station heating system of claim 2, wherein: A plurality of rotating blocks (208) are rotatably connected at the same horizontal height, and the inner wall of the limiting block (204) is slidably connected with the outer wall of the fixed rod (209).
4. The BGA rework station heating system of claim 1, wherein: The top front side of the base (1) is fixedly connected with a controller (22), and the controller (22) is electrically connected with the micro motor (17) and the fan (7) respectively.
5. The BGA rework station heating system of claim 1, wherein: The bottom of the base (1) is fixedly connected with supporting legs (27) at four corners, and the bottom of each supporting leg (27) is fixedly connected with an anti-skid pad (23).
6. The BGA rework station heating system of claim 1, wherein: The right side of the base (1) is fixedly connected with a nameplate (25), and the inner wall of the nameplate (25) is threadedly connected with a plurality of screws (26).
7. The BGA rework station heating system of claim 1, wherein: The bottom end of the hose (6) is communicated with the inner wall of the air collecting box (3), and a plurality of the return boxes (9) are fixedly connected at the same horizontal height.
8. The BGA rework station heating system of claim 1, wherein: The rear side of the flow guide cover (8) is attached to the front side of the fixing block (10), and the front end of the connecting pipe (19) is communicated with the inner wall of the return box (9).