A multifunctional automatic BGA rework station with a large temperature range

Abstract

The present invention discloses a multifunctional automatic BGA rework station with a large temperature range, comprising a platform mechanism for placing materials, a lower preheating mechanism arranged below the platform mechanism, a lower heating mechanism arranged between the lower preheating mechanism and the platform mechanism, an upper heating and transferring mechanism arranged above the platform mechanism, and a material storage platform mechanism arranged between the platform mechanism and the upper heating and transferring mechanism. The present invention can first preheat the material as a whole through the lower preheating mechanism, and then perform fixed-point centralized heating of the area where components need to be removed through the upper heating and transferring mechanism and the lower heating mechanism, with fast heating speed, good heating effect, and high work efficiency. At the same time, the components that need to be removed can also be automatically adsorbed and transferred to the material storage platform mechanism through the upper heating and transferring mechanism, which is convenient to operate, highly automated, suitable for the rework of large-sized materials, and highly versatile.

Description

Technical Field

[0001] The invention relates to the technical field of BGA rework stations, and in particular to a multifunctional automatic BGA rework station with a large temperature range. Background Art

[0002] With the rapid development of electronic technology and the popularization of many high-tech electronic products, people's requirements for electronic products are getting higher and higher. Therefore, the replacement speed of the circuit board of electronic products is also accelerating. In order to save raw materials and avoid waste, BGA rework stations are basically used to replace components on the circuit board. The components on the circuit board are generally fixed by tin welding. Therefore, to remove and replace components, the circuit board must first be heated to melt the solder before disassembly.

[0003] Conventional BGA rework stations mostly use a method of directly heating the entire circuit board, which is suitable for rework of small-sized circuit boards, but is easy to damage the circuit board and cannot achieve fixed-point heating of the material. The heating effect is poor and the heating speed is slow. At the same time, manual disassembly is used to remove components, which has a low degree of automation and low work efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a multifunctional automatic BGA rework station with a large temperature zone. The rework station is provided with an upper heating and transferring mechanism, a lower heating mechanism and a lower preheating mechanism. The material can be preheated as a whole by the lower preheating mechanism first, and then the area where the components need to be removed is heated centrally by the upper heating and transferring mechanism and the lower heating mechanism. The heating speed is fast, the heating effect is good, and the working efficiency is high. At the same time, the components that need to be removed can be automatically adsorbed and transferred to the material storage platform mechanism by the upper heating and transferring mechanism. The operation is convenient, the degree of automation is high, it is suitable for the rework of large-size materials, and it has strong versatility.

[0005] In order to achieve the above purpose, the following technical solutions are adopted:

[0006] A multifunctional automatic BGA rework station with a large temperature range comprises a carrier mechanism for placing materials, a lower preheating mechanism arranged below the carrier mechanism for preheating the materials as a whole, a lower heating mechanism arranged between the lower preheating mechanism and the carrier mechanism, an upper heating and transferring mechanism arranged above the carrier mechanism, and a material storage platform mechanism arranged between the carrier mechanism and the upper heating and transferring mechanism; the lower heating mechanism and the upper heating and transferring mechanism are respectively used for performing fixed-point heating on the bottom and top of the materials, and the upper heating and transferring mechanism is also used for transferring components on the materials that need to be reworked to the material storage platform mechanism.

[0007] Furthermore, the upper heating and transferring mechanism includes a first translation module arranged above both ends of the platform mechanism in the length direction thereof, a second translation module arranged perpendicular to the first translation module and slidably connected to the top thereof, an upper heating module arranged perpendicular to the second translation module and slidably connected to one side thereof, and a vacuum adsorption module arranged on the upper heating module; the upper heating module is used for performing spot heating on the top of the material, and the vacuum adsorption module is used for adsorbing components that need to be repaired and transferring them to the material storage platform mechanism.

[0008] Furthermore, the upper heating module includes a sliding shell that is slidably connected to the second translation module, a mounting base built into the sliding shell, a hot air heater arranged at the bottom of the mounting base, a first ventilation pipe built into the mounting base along the vertical direction and one end of which passes through the bottom of the hot air heater, and a first air pipe joint that is opened on one side of the mounting base and passes through the first ventilation pipe; the first air pipe joint is used to connect to an external air source to blow the heat energy generated by the hot air heater to the top of the material through the first ventilation pipe.

[0009] Furthermore, the vacuum adsorption module includes a first sliding module, a first lifting plate, and a first vacuum tube; the first sliding module is arranged on one side of the top of the mounting seat in the vertical direction, and the first lifting plate is arranged horizontally and slidably connected to the first sliding module; the first vacuum tube is arranged to pass through the first lifting plate, the mounting seat and the first ventilation pipe in sequence in the vertical direction, and a second air pipe joint is also provided at the end of the first vacuum tube that passes through the first lifting plate; a first rotating wheel is also provided on one side of the first lifting plate, and a first cam and a first motor drivingly connected to the first cam are also provided at the top of the mounting seat corresponding to the first rotating wheel; the first motor is used to drive the first cam to rotate, so as to drive the first lifting plate and the first vacuum tube to rise and fall via the first rotating wheel.

[0010] Furthermore, a synchronous belt transmission module drivingly connected to the outer side of the first vacuum tube and a first rotating motor for driving the first vacuum tube to rotate via the synchronous belt transmission module are also provided on the top of the first lifting plate.

[0011] Furthermore, the lower preheating mechanism includes a preheating frame, a plurality of infrared heating bricks, two cooling modules, and a first lifting module; the preheating frame is arranged below the carrier mechanism, and a rectangular array of a plurality of infrared heating bricks is distributed on the top of the carrier frame; the first lifting module is arranged at the bottom of the carrier frame, and is used to drive the carrier frame to lift and lower a plurality of infrared heating bricks; the two cooling modules are respectively arranged above the two ends of the preheating frame, and are used to cool the infrared heating bricks and materials.

[0012] Furthermore, the lower heating mechanism includes a third translation module arranged on both sides of the preheating frame along the length direction thereof, a fourth translation module arranged vertically above the preheating frame, and a lower heating module slidably connected to the fourth translation module; the third translation module is used to cooperate with the fourth translation module to drive the lower heating module to move horizontally, and the lower heating module is used to perform fixed-point heating on the bottom of the material.

[0013] Furthermore, the lower heating module includes a plurality of first guide rods, a second ventilation duct, a heating seat, and a plurality of heating plates built into the heating seat; the plurality of first guide rods are arranged in parallel with the fourth translation module and are spaced apart above the preheating frame, and the heating seat is sleeved on the outside of the first guide rods and is drivingly connected to the fourth translation module; the second ventilation duct is arranged in parallel with the first guide rod and one end thereof is inserted into the heating seat; a plurality of ventilation holes are also provided on the top of the heating seat, and the second ventilation duct is used to connect to an external air source to blow the heat energy generated by the heating plate out to the bottom of the material through the ventilation holes.

[0014] Furthermore, the platform mechanism includes a platform frame, a second sliding module arranged at the top of the platform frame along the length direction of the platform frame, two clamping plate modules arranged perpendicular to the second sliding module and slidably connected to the top of the second sliding module, and a plurality of supporting modules; the plurality of supporting modules are arranged between the two clamping plate modules, the clamping plate modules are used to clamp and fix the two ends of the material, and the supporting modules are used to support the material.

[0015] Furthermore, each clamping module includes a clamping bar, and a plurality of clamping blocks are arranged at intervals along the length direction of the top of each clamping bar, and the clamping blocks are used to limit and fix the ends of the material; each supporting module includes a supporting bar slidably connected to the first sliding module, and a plurality of ejector pins for supporting the material are arranged at intervals along the length direction of the top of the support bar.

[0016] By adopting the above scheme, the beneficial effects of the present invention are:

[0017] 1) The design is reasonable and the structure is compact. The material can be preheated as a whole through the lower preheating mechanism first, and then the area where the components need to be removed is heated centrally through the upper heating transfer mechanism and the lower heating mechanism. The heating speed is fast, the heating effect is good, and the work efficiency is high;

[0018] 2) The upper heating transfer mechanism can automatically absorb and transfer the components that need to be disassembled to the material storage platform mechanism. It is easy to operate, highly automated, suitable for the repair of large-size materials, and highly versatile;

[0019] 3) The lower preheating mechanism can be lifted and lowered by the first lifting module to preheat materials of different types and thicknesses;

[0020] 4) Both the upper heating and transfer mechanism and the lower heating mechanism use hot air flow to heat the material without direct contact with the material, thereby avoiding scratches on the components on the material, ensuring that the material is not damaged and improving safety;

[0021] 5) The distance between the two clamping plate modules can be freely adjusted to adapt to the clamping of materials of different sizes, and it is highly versatile. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A perspective view of the present invention;

[0023] Figure 2 for Figure 1 Eliminate the stereogram of the rack;

[0024] Figure 3 for Figure 2 A local enlarged schematic diagram of point A;

[0025] Figure 4 It is a three-dimensional diagram of the lower preheating mechanism and the lower heating mechanism of the present invention;

[0026] Figure 5 It is a three-dimensional diagram of the upper heating module and the vacuum adsorption module of the present invention;

[0027] Figure 6 for Figure 5 A stereogram from another perspective;

[0028] The accompanying drawings illustrate:

[0029] 1—carrier mechanism; 2—lower preheating mechanism;

[0030] 3—lower heating mechanism; 4—upper heating and transfer mechanism;

[0031] 5—Material storage platform mechanism; 6—Frame;

[0032] 11—second sliding module; 12—clamping module;

[0033] 13—support module; 21—preheating frame;

[0034] 22—infrared heating brick; 23—cooling module;

[0035] 24—first lifting module; 31—third translation module;

[0036] 32—fourth translation module; 33—lower heating module;

[0037] 41—first translation module; 42—second translation module;

[0038] 43—upper heating module; 44—vacuum adsorption module;

[0039] 331—first guide rod; 332—second ventilation pipe;

[0040] 333—heating seat; 334—ventilation hole;

[0041] 431—mounting seat; 432—hot air heater;

[0042] 433—first ventilation pipe; 434—first air pipe joint;

[0043] 441—first sliding module; 442—first lifting plate;

[0044] 443—first vacuum tube; 444—second air pipe connector;

[0045] 445—first rotating wheel; 446—first cam;

[0046] 447—first motor; 448—synchronous belt transmission module;

[0047] 449—First rotating electrical machine. DETAILED DESCRIPTION

[0048] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0049] Reference Figures 1 to 6 As shown, the present invention provides a large temperature zone multifunctional automatic BGA rework station, including a carrier mechanism 1 for placing materials, a lower preheating mechanism 2 arranged below the carrier mechanism 1 and used for preheating the materials as a whole, a lower heating mechanism 3 arranged between the lower preheating mechanism 2 and the carrier mechanism 1, an upper heating and transferring mechanism 4 arranged above the carrier mechanism 1, and a material storage platform mechanism 5 arranged between the carrier mechanism 1 and the upper heating and transferring mechanism 4; the lower heating mechanism 3 and the upper heating and transferring mechanism 4 are respectively used for fixed-point heating of the bottom and top of the material, and the upper heating and transferring mechanism 4 is also used for transferring components on the material that need to be reworked to the material storage platform mechanism 5.

[0050] The upper heating and transferring mechanism 4 includes a first translation module 41 arranged above both ends of the platform mechanism 1 in the length direction thereof, a second translation module 42 arranged vertically to the first translation module 41 and slidably connected to the top thereof, an upper heating module 43 arranged vertically to the second translation module 42 and slidably connected to one side thereof, and a vacuum adsorption module 44 arranged on the upper heating module 43; the upper heating module 43 is used for performing fixed-point heating on the top of the material, and the vacuum adsorption module 44 is used for adsorbing and transferring the components to be repaired to the material storage platform mechanism 5; the upper The internal heating module 43 includes a sliding shell slidably connected to the second translation module 42, a mounting base 431 built into the sliding shell, a hot air heater 432 arranged at the bottom of the mounting base 431, a first ventilation pipe 433 built into the mounting base 431 along the vertical direction and one end of which passes through the bottom of the hot air heater 432, and a first air pipe joint 434 opened on one side of the mounting base 431 and passing through the first ventilation pipe 433; the first air pipe joint 434 is used to connect to an external air source to blow the heat energy generated by the hot air heater 432 to the top of the material through the first ventilation pipe 433.

[0051] The vacuum adsorption module 44 includes a first sliding module 441, a first lifting plate 442, and a first vacuum tube 443; the first sliding module 441 is arranged on one side of the top of the mounting seat 431 in the vertical direction, and the first lifting plate 442 is arranged horizontally and slidably connected to the first sliding module 441; the first vacuum tube 443 is arranged to move through the first lifting plate 442, the mounting seat 431 and the first ventilation pipe 433 in sequence in the vertical direction, and a second air pipe joint 444 is also provided at the end of the first vacuum tube 443 passing through the first lifting plate 442; a first rotating wheel 445 is also provided on one side of the first lifting plate 442, and a first cam 446 and a first motor 447 drivingly connected to the first cam 446 are also provided at the top of the mounting seat 431 corresponding to the first rotating wheel 445; the first motor 447 is used to drive the first cam 446 to rotate so as to The first rotating wheel 445 drives the first lifting plate 442 and the first vacuum tube 443 to rise and fall; the top of the first lifting plate 442 is also provided with a synchronous belt transmission module 448 connected to the outer side of the first vacuum tube 443, and a first rotating motor 449 used to drive the first vacuum tube 443 to rotate via the synchronous belt transmission module 448; the lower preheating mechanism 2 includes a preheating frame 21, a plurality of infrared heating bricks 22, two cooling modules 23, and a first lifting module 24; the preheating frame 21 is arranged below the stage mechanism 1, and a plurality of infrared heating bricks 22 are distributed in a rectangular array on the top of the stage frame; the first lifting module 24 is arranged at the bottom of the stage frame, and is used to drive the stage frame to drive the plurality of infrared heating bricks 22 to rise and fall; the two cooling modules 23 are respectively arranged above the two ends of the preheating frame 21, and are used to cool the infrared heating bricks 22 and the material.

[0052] The lower heating mechanism 3 includes a third translation module 31 arranged on both sides of the preheating frame 21 along the length direction thereof, a fourth translation module 32 arranged vertically on the third translation module 31 and above the preheating frame 21, and a lower heating module 33 slidably connected to the fourth translation module 32; the third translation module 31 is used to cooperate with the fourth translation module 32 to drive the lower heating module 33 to move horizontally, and the lower heating module 33 is used to perform fixed-point heating on the bottom of the material; the lower heating module 33 includes a plurality of first guide rods 331, a second ventilation pipe 332, a heating seat 333, and a plurality of heating plates built into the heating seat 333; the plurality of first guide rods 331 are arranged above the preheating frame 21 in parallel with the fourth translation module 32, and the heating seat 333 is sleeved on the outer side of the first guide rod 331 and is drivingly connected to the fourth translation module 32; the second ventilation pipe 332 is arranged in parallel with the first guide rod 331 and one end of the second ventilation pipe 332 is inserted into the heating seat 333; a plurality of ventilation holes 334 are also provided on the top of the heating seat 333, and a second ventilation pipe 332 is used to connect to an external air source so as to blow the heat energy generated by the heating plate to the bottom of the material through the ventilation holes 334; the platform mechanism 1 includes a platform frame, a second sliding module 11 arranged on the top of the platform frame along the length direction, two clamping modules 12 arranged perpendicular to the second sliding module 11 and slidably connected to the top thereof, and a plurality of support modules 13; the plurality of support modules 13 are arranged between the two clamping modules 12, the clamping module 12 is used to clamp and fix the two ends of the material, and the support module 13 is used to support the material; each clamping module 12 includes a clamping bar, and a plurality of clamping blocks are arranged at intervals in the length direction of the top of each clamping bar, and the clamping blocks are used to limit and fix the end of the material; each support module 13 includes a support bar slidably connected to the first sliding module 441, and a plurality of ejectors for supporting the material are arranged at intervals in the length direction of the top of the support bar.

[0053] Working principle of the present invention:

[0054] like Figure 1 As shown, in this embodiment, a frame 6 is also included, in which a carrier mechanism 1, a lower preheating mechanism 2, a lower heating mechanism 3, an upper heating and transferring mechanism 4 and a material storage platform mechanism 5 are all built in the frame 6; as shown in the figure, there is also a mounting frame in the frame 6, in which the lower preheating mechanism 2 is arranged, the carrier mechanism 1 is slidably connected to the top of the mounting frame, and a handle is also provided on the front side of the carrier frame of the carrier mechanism 1, by which the carrier mechanism 1 can be pulled out of the frame 6 to facilitate material discharge; an exhaust mechanism (exhaust fan, which can discharge the odor generated during repair in the frame 64) and a three-color indicator light are also provided on the top of the frame 6, and a computer and a keyboard are also provided on one side of the frame 6 for easy operation.

[0055] Carrier mechanism 1: Figure 2-3As shown, the spacing between the two clamping bars can be manually adjusted to adapt to the clamping of materials of different types and sizes; the end of the material can be placed on the top of the clamping block so that the clamping block can clamp and position the two ends of the material to improve the stability of material placement; to further ensure the stability of material placement, a number of support bars are provided between the two clamping bars, and when the material size is too large, the middle part of the material can be supported; a number of ejectors for supporting the material are provided on the top of the support bar, which can avoid components on the material to avoid damage to the material.

[0056] Upper heating transfer mechanism 4: Figure 2 , 5 As shown in Figures 6 and 7, the first translation module 41 includes two first profile frames and two first linear motor assemblies; the two first profile frames are arranged above the two ends of the platform mechanism 1 in the length direction thereof, and each first linear motor assembly is arranged on the top of a first profile frame; the second translation module 42 includes a first crossbeam and a second linear motor assembly, the first crossbeam is slidably connected to the two first linear motor assemblies, and the second linear motor assembly is arranged on the top of the first crossbeam, and the synchronous biaxial movement of the upper heating module 43 and the vacuum adsorption module 44 can be achieved through the mutual cooperation of the first linear motor assembly and the second linear motor assembly, so as to perform fixed-point heating on the area where the components of the material need to be removed; in addition, a camera positioning module is also connected to the bottom of the upper heating module 43, and the camera positioning module can move with the upper heating module 43 to collect images of the material and locate the area on the material that needs to be removed; as shown in Figures 6 and 7, the first crossbeam is slidably connected to the two first linear motor assemblies, and the second linear motor assembly is arranged on the top of the first crossbeam. Figure 5-6 As shown, when the upper heating module 43 moves to the top of the disassembly area, the external air source (air pump, etc.) can be connected through the first air pipe joint 434 of the upper heating module 43, and the heat generated by the hot air heater 432 can be blown to the top of the material in the form of airflow, so as to achieve heating of the top of the material. Since there is no direct contact with the material, damage to components on the material can be avoided, thereby improving safety. Specifically, the hot air heater 432 includes a ceramic heating wire and a sleeve arranged on the outside of the heating wire. The first ventilation pipe 433 passes through the ceramic heating wire arrangement. The ceramic heating wire can heat the airflow passing through the first ventilation pipe 433 to form a hot airflow that is then blown to the top of the material.

[0057] Continue to refer to Figure 5-6As shown, the second air pipe joint 444 of the first vacuum tube 443 can be connected to a vacuum pump or other vacuum equipment, and then the components are adsorbed and transferred to the material storage platform mechanism 5 through the first vacuum tube 443; the first rotating motor 449 can drive the first vacuum tube 443 to rotate via the synchronous belt transmission module 448 (including a synchronous wheel assembly and a synchronous belt assembly) so as to adjust the direction of the second air pipe joint 444 to facilitate the connection to an external vacuum equipment; at the same time, the first motor 447 can drive the first cam 446 to rotate, so as to drive the first lifting plate 442 and the first vacuum tube 443 to rise and fall along the first sliding module 441 (including a first slide rail and a first slider arranged on the first slide rail) via the first rotating wheel 445, so that the first vacuum tube 443 can adsorb and transfer components on the material.

[0058] Lower preheating mechanism 2: Figure 4 As shown, the preheating frame 21 is arranged below the carrier frame, and a plurality of infrared heating bricks 22 are distributed in the preheating frame 21 in a rectangular array. The materials on the carrier frame can be preheated as a whole by the plurality of infrared heating bricks 22 to improve the heating efficiency; at the same time, a first lifting module 24 is also provided at the bottom of the preheating frame 21, and the preheating frame 21 can be driven to rise and fall by the first lifting module 24 to adapt to the preheating of materials of different thicknesses, which is convenient for adjustment and improves the preheating effect; specifically, the first lifting module 24 includes a first screw rod assembly arranged in a vertical direction, a connecting plate connected to the first screw rod assembly, and a second motor for driving the first screw rod assembly to work, the connecting plate is placed at the bottom of the preheating frame 21, and the second motor is used to drive the preheating frame 21 to rise and fall through the first screw rod assembly and the connecting plate; after the work is completed, the two cooling modules 23 (including cross-flow fans) located at both ends of the preheating frame 21 can blow air to the infrared heating bricks 22 and the surface of the material to achieve cooling of the material and the infrared heating bricks 22, which is convenient for the next operation.

[0059] Lower heating mechanism 3: Figure 4As shown, the third translation module 31 of the lower heating mechanism 3 includes a first synchronous belt assembly, a second guide rod, a guide seat slidably mounted on the outside of the second guide rod, and a third motor drivingly connected to the first synchronous belt assembly; the first synchronous belt assembly and the second guide rod are respectively arranged on both sides of the preheating frame 21, and one end of a plurality of first guide rods 331 passes through the heating seat 333 and is fixedly connected to the guide seat; the fourth translation module 32 includes a second screw rod assembly, a connecting seat drivingly connected to the first synchronous belt assembly, and a fourth motor arranged on the top of the connecting seat for driving the second screw rod assembly to operate; the fourth motor can drive the second screw rod assembly The third and fourth translation modules 31 and 32 can be used to drive the heating base 333 and the second ventilation pipe 332 to slide synchronously forward and backward along the first guide rod 331. The second motor can drive the first synchronous belt assembly through the connecting seat and the second screw assembly to drive the heating base 333 to slide synchronously left and right along the second guide rod. The second ventilation pipe 332 can be connected to an external air source to blow air into the heating base 333, so that the air flow can blow the heat generated by the heating plate from the ventilation hole 334 to the bottom of the material to achieve heating. The third and fourth translation modules 31 and 32 can cooperate with each other to achieve biaxial movement of the lower heating module 33, so as to facilitate fixed-point heating of the area where the material needs to be disassembled.

[0060] Storage platform mechanism 5: Figure 2 As shown, the material storage platform mechanism 5 is arranged above one side of the carrier mechanism 1, including a base fixedly connected to the inner side of a first profile rack, a first slide rail arranged on the top, a material receiving platform slidably connected to the first slide rail, and a first telescopic cylinder for driving the material receiving platform to slide along the first slide rail; the upper heating and transferring mechanism 4 can transfer and place the adsorbable components on the material receiving platform.

[0061] The working process of the present invention is:

[0062] 1) Pull the carrier mechanism 1 out of the frame 6 by pulling the handle, place the material on the carrier mechanism 1 and push it into the frame 6;

[0063] 2) The lower preheating mechanism 2 preheats the material as a whole;

[0064] 3) The upper heating and transplanting mechanism and the lower heating mechanism 3 are respectively moved to the upper and lower sides of the components to be removed, and localized fixed-point heating is performed thereon;

[0065] 4) After the solder melts, the upper heating and transferring mechanism 4 adsorbs the components and transfers them to the material storage platform mechanism 5.

[0066] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional automatic BGA rework station with a large temperature range, characterized in that: It includes a platform mechanism for placing materials, a lower preheating mechanism arranged below the platform mechanism for preheating the materials as a whole, a lower heating mechanism arranged between the lower preheating mechanism and the platform mechanism, an upper heating and transferring mechanism arranged above the platform mechanism, and a material storage platform mechanism arranged between the platform mechanism and the upper heating and transferring mechanism; the lower heating mechanism and the upper heating and transferring mechanism are respectively used for performing fixed-point heating on the bottom and top of the materials, and the upper heating and transferring mechanism is also used for transferring components on the materials that need to be repaired to the material storage platform mechanism; The upper heating and transfer mechanism comprises a first translation module arranged vertically in the length direction of the platform mechanism and above both ends thereof, a second translation module arranged vertically in the first translation module and slidably connected to the top thereof, an upper heating module arranged vertically in the second translation module and slidably connected to one side thereof, and a vacuum adsorption module arranged on the upper heating module; The upper heating module is used to perform fixed-point heating on the top of the material, and the vacuum adsorption module is used to adsorb the components that need to be repaired and transfer them to the material storage platform mechanism; The upper heating module comprises a sliding shell slidably connected to the second translation module, a mounting seat built into the sliding shell, a hot air heater arranged at the bottom of the mounting seat, a first ventilation pipe built into the mounting seat in a vertical direction and having one end passing through the bottom of the hot air heater, and a first air pipe joint opened at one side of the mounting seat and connected to the first ventilation pipe; the first air pipe joint is used to connect to an external air source so as to blow the heat energy generated by the hot air heater to the top of the material through the first ventilation pipe; The vacuum adsorption module comprises a first sliding module, a first lifting plate, and a first vacuum tube; the first sliding module is arranged on one side of the top of the mounting seat in the vertical direction, and the first lifting plate is arranged horizontally and slidably connected to the first sliding module; the first vacuum tube is arranged to pass through the first lifting plate, the mounting seat and the first ventilation tube in sequence in the vertical direction, and a second air pipe joint is also provided at one end of the first vacuum tube passing through the first lifting plate; a first rotating wheel is also provided on one side of the first lifting plate, and a first cam and a first motor drivingly connected to the first cam are also provided at the top of the mounting seat corresponding to the first rotating wheel; the first motor is used to drive the first cam to rotate, so as to drive the first lifting plate and the first vacuum tube to rise and fall via the first rotating wheel; The top of the first lifting plate is also provided with a synchronous belt transmission module connected to the outer side of the first vacuum tube, and a first rotating motor for driving the first vacuum tube to rotate via the synchronous belt transmission module; The first translation module includes two first profile frames and two first linear motor assemblies; the two first profile frames are arranged vertically above the two ends of the platform mechanism in the length direction thereof, and each first linear motor assembly is arranged on the top of a first profile frame; the second translation module includes a first crossbeam and a second linear motor assembly, the first crossbeam is slidably connected to the two first linear motor assemblies, and the second linear motor assembly is arranged on the top of the first crossbeam; The bottom of the upper heating module is also connected to a camera positioning module, which can move with the upper heating module to collect images of the material and locate the area on the material that needs to be disassembled; The hot air heater includes a ceramic heating wire and a sleeve sleeved on the outside of the heating wire. The first ventilation duct passes through the ceramic heating wire. The ceramic heating wire can heat the airflow passing through the first ventilation duct to form a hot airflow that is then blown to the top of the material.

2. The large temperature range multifunctional automatic BGA rework station according to claim 1, characterized in that: The lower preheating mechanism includes a preheating frame, a plurality of infrared heating bricks, two cooling modules, and a first lifting module; the preheating frame is arranged below the carrier mechanism, and a rectangular array of a plurality of infrared heating bricks is distributed on the top of the carrier frame; the first lifting module is arranged at the bottom of the carrier frame, and is used to drive the carrier frame to lift and lower a plurality of infrared heating bricks; the two cooling modules are respectively arranged above the two ends of the preheating frame, and are used to cool the infrared heating bricks and materials.

3. The large temperature range multifunctional automatic BGA rework station according to claim 2, characterized in that: The lower heating mechanism includes a third translation module arranged on both sides of the preheating frame along the length direction thereof, a fourth translation module arranged vertically above the preheating frame, and a lower heating module slidably connected to the fourth translation module; the third translation module is used to cooperate with the fourth translation module to drive the lower heating module to move horizontally, and the lower heating module is used to perform fixed-point heating on the bottom of the material.

4. The large temperature range multifunctional automatic BGA rework station according to claim 3, characterized in that: The lower heating module includes a plurality of first guide rods, a second ventilation pipe, a heating seat, and a plurality of heating plates built into the heating seat; the plurality of first guide rods are arranged parallel to the fourth translation module and spaced apart above the preheating frame, the heating seat is sleeved on the outside of the first guide rods and is drivingly connected to the fourth translation module; the second ventilation pipe is arranged parallel to the first guide rod and one end thereof is inserted into the heating seat; a plurality of ventilation holes are also provided on the top of the heating seat, and the second ventilation pipe is used to connect to an external air source to blow the heat energy generated by the heating plate out to the bottom of the material through the ventilation holes.

5. The large temperature range multifunctional automatic BGA rework station according to claim 1, characterized in that: The platform mechanism includes a platform frame, a second sliding module arranged at the top of the platform frame along the length direction of the platform frame, two clamping plate modules arranged perpendicular to the second sliding module and slidably connected to the top of the second sliding module, and a plurality of supporting modules; the plurality of supporting modules are arranged between the two clamping plate modules, the clamping plate modules are used to clamp and fix the two ends of the material, and the supporting modules are used to support the material.

6. The large temperature zone multifunctional automatic BGA rework station according to claim 5, characterized in that: Each clamping module includes a clamping bar, and a plurality of clamping blocks are arranged at intervals along the length direction of the top of each clamping bar, and the clamping blocks are used to limit and fix the ends of the material; each supporting module includes a supporting bar slidably connected to the first sliding module, and a plurality of ejector pins for supporting the material are arranged at intervals along the length direction of the top of the support bar.

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