Multifunctional electric appliance circuit board welding maintenance support

Abstract

The invention discloses a multifunctional electric appliance circuit board welding maintenance support, and relates to the technical field of circuit board welding maintenance, and the multifunctional electric appliance circuit board welding maintenance support comprises a double-belt lifting device, an elastic supporting and fixing device, an elastic conveying device, a flexible workbench and a self-adaptive frame. The elastic supporting and fixing device can adapt to electric appliances with different base shapes through deformation of the multiple elastic belts, so that the bearing function is achieved, and then the fixing function is achieved through self-adaptive deformation of the self-adaptive clamping mechanism. According to the compliant workbench, two-stage lifting is achieved through the compliant mechanism and the hydraulic lifting mechanism, the lifting transposition function is achieved, and then the welding function of an electric appliance circuit board is achieved through the welding mechanism. According to the double-belt lifting device, a left belt and a right belt are tensioned through movement of a tensioning wheel, so that the left belt wheel and the right belt wheel rotate asynchronously, the front-back and left-right inclination function of the elastic supporting and fixing device is achieved, and therefore the posture of an electric appliance circuit board can adapt to actual welding work.

Description

Technical Field

[0001] This invention relates to the field of circuit board welding and repair technology, and in particular to a multifunctional electrical circuit board welding and repair bracket. Background Technology

[0002] Traditional methods for soldering and repairing electrical circuit boards involve disassembling the boards for repair and soldering. This approach is ineffective for clamping and repairing different models of appliances with exposed circuit boards, requiring significant manpower to disassemble the boards, resulting in high costs, cumbersome operations, and wasted workspace. Therefore, a soldering and repair stand that saves manpower and resources, is economical and practical, and can accommodate different appliance models is needed to improve the efficiency of circuit board soldering and repair.

[0003] For example, patent CN215453455U provides a circuit board soldering and repair bracket. This device includes a base, an operating table, and four sets of clamps. The base and operating table are rotatably connected via a rotating platform. The base has two sets of slots for collecting naturally falling or splashing particles. Two dust covers are installed on the outside of the operating table, each containing an exhaust fan. The dust covers, in conjunction with the exhaust fans, collect and process dust and other particles, effectively preventing particles from scattering onto the soldering table and preventing lung damage from inhalation. However, this solution can only be applied to circuit boards that have already been removed and cannot be applied to electrical appliances where the casing has been removed to expose the circuit board. Furthermore, this solution cannot adjust the orientation of the circuit board. Summary of the Invention

[0004] The purpose of this invention is to provide a multifunctional electrical circuit board welding and repair bracket, which aims to solve the technical problems existing in the prior art, such as how to weld and repair electrical appliances with exposed circuit boards after removing the outer casing, how to fix and hold the electrical appliances during the repair process, and how to adjust the exposed position of the electrical circuit board.

[0005] To address the aforementioned technical problems, the present invention adopts the following technical solution: a multifunctional electrical circuit board welding and repair bracket, comprising a double-belt lifting device, an elastic support fixing device, an elastic transport device, a compliant worktable, and an adaptive frame; the double-belt lifting device and the compliant worktable are fixedly installed on the adaptive frame, while the elastic support fixing device is also slidably installed on the adaptive frame. The adaptive frame achieves structural deformation through the rotation of ball screw mechanisms and hinges between the various frame members. The double-belt lifting device achieves the forward, backward, left, and right tilting of the elastic support fixing device through the asynchronous rotation of each pulley, thereby adjusting the electrical circuit board to a suitable welding posture. The compliant worktable forms a two-stage lifting mechanism through a compliant mechanism and a hydraulic lifting mechanism to achieve lifting and rotation. Then, through welding and air blowing by the welding mechanism, the welding of the electrical circuit board and dust cleaning are achieved. The elastic support and fixing device adapts to the bases of different electrical appliances by deforming multiple elastic bands on the support mechanism, and then fixes the electrical appliances by adaptive deformation of the adaptive clamping mechanism. An elastic transport device is hinged to the elastic support and fixing device. This elastic transport device adapts to the shape of the electrical appliance's chassis by deforming elastic shafts and rollers, thus completing the transport of the electrical appliance. The elastic support and fixing device also includes a support mechanism and an adaptive clamping mechanism. The adaptive clamping mechanism is fixedly installed on the support mechanism, which supports the electrical appliances, and the adaptive clamping mechanism is used to clamp them. The compliant worktable also includes a compliant mechanism, a hydraulic lifting mechanism, and a welding mechanism. The welding mechanism is hinged to the hydraulic lifting mechanism; the hydraulic lifting mechanism is slidably installed on the compliant mechanism. The compliant mechanism and the hydraulic lifting mechanism are used for lifting and rotating the electrical appliances, and the welding mechanism is used for welding and cleaning the electrical circuit boards.

[0006] Furthermore, the adaptive clamping mechanism includes an elastic fixing frame, a sliding pin, a fastening bolt, a friction contact head, a support spring, a support ball, an L-shaped lead screw frame, a support lead screw, a support connecting rod, and a support crank; the support crank is hinged to the elastic fixing frame; both ends of the support connecting rod are respectively hinged to the L-shaped lead screw frame and the support crank; the support lead screw is hinged to the L-shaped lead screw frame; the support ball is slidably mounted on the L-shaped lead screw frame, and the internal thread of the support ball and the external thread of the support lead screw form a threaded pair; the L-shaped lead screw frame is slidably mounted on the elastic fixing frame; both ends of the support spring are fixedly mounted on the friction contact head and the support ball; the friction contact head is provided with a rubber pad and a rubber protrusion; the fastening bolt is fixedly mounted on the L-shaped lead screw frame to fix the L-shaped lead screw frame and the support lead screw to prevent loosening during the clamping process; the sliding pin is slidably mounted on the elastic fixing frame.

[0007] Furthermore, the support mechanism includes L-shaped ball sleeves, an elastic support belt, and a support extension shaft; the four L-shaped ball sleeves are divided into two groups, with two L-shaped ball sleeves in each group, and the two L-shaped ball sleeves in each group are slidably mounted on both ends of the support extension shaft; the two ends of the elastic support belt are slidably mounted on the L-shaped ball sleeves in different groups respectively.

[0008] Furthermore, the welding mechanism includes a welding base, a cooling fan, a flexible cable welding gun, and a power supply box; the cooling fan is hinged to the welding base; the flexible cable welding gun is slidably mounted on the welding base, and is also fixedly mounted on the power supply box; the power supply box is fixedly mounted on the welding base.

[0009] Furthermore, the compliant mechanism includes a first compliant rod, a indexing slider, a second compliant rod, indexing balls, an indexing screw, and a second indexing base; the first compliant rod is fixedly mounted on the indexing slider, and the two first compliant rods are hinged to each other; the two ends of the second compliant rod are respectively fixedly mounted on the indexing slider and the indexing balls; the indexing slider and the indexing balls are slidably mounted on the second indexing base; the two ends of the indexing screw are hinged to the second indexing base, and the external thread of the indexing screw and the internal thread of the indexing balls form a threaded pair; the first compliant rod is provided with a lower compliant joint, a folded compliant rod body, and a compliant hinge hole; the second compliant rod is provided with a left compliant joint, a straight compliant rod body, and a right compliant joint.

[0010] Furthermore, the hydraulic lifting mechanism includes a first indexing base, a hydraulic cylinder, a hydraulic column, an elastic oil supply pipe, an oil tank, and an oil pump; the hydraulic cylinder is hinged to the first indexing base; the hydraulic column is slidably mounted on the hydraulic cylinder; both ends of the elastic oil supply pipe are respectively fixedly mounted on the hydraulic cylinder and the oil tank; the oil tank is fixedly mounted on the first indexing base; and the oil pump is fixedly mounted on the oil tank.

[0011] Furthermore, the flexible transport device includes a transport support, a flexible transport shaft, a rotating roller, and an annular buckle; the flexible transport shaft is fixedly mounted on the transport support; the rotating roller is hinged to the flexible transport shaft; and the annular buckle is slidably mounted on the transport support.

[0012] Furthermore, the double-belt lifting device includes a lifting base, a first lifting screw, a first pulley, a movable tensioning pulley, an elastic belt, a second lifting screw, a second pulley, and a third pulley; the first lifting screw is hinged to the lifting base; the movable tensioning pulley is slidably mounted on the lifting base, and the internal thread of the movable tensioning pulley and the external thread of the first lifting screw form a threaded pair; the first pulley and the second pulley are hinged to the lifting base; two second lifting screws are respectively fixedly mounted on the first pulley and the second pulley; the third pulley is hinged to the lifting base; the elastic belt is used for power transmission between the first pulley and the third pulley, and between the second pulley and the third pulley.

[0013] Furthermore, the adaptive frame includes locking bolts, frame rollers, roller brackets, frame lead screws, a first frame, a first magnetic strip, a second frame, a second magnetic strip, spring pins, a third frame, a frame guide rod, and a frame end cap; the frame rollers are hinged to the roller brackets; the locking bolts are used to lock the frame rollers and roller brackets; the roller brackets are fixedly installed on the first frame; the front end of the frame lead screw is hinged to the first frame, and the external thread on the rear end of the frame lead screw and the internal thread on the first frame form a threaded pair; the first frame is slidably installed on the frame guide rod; the second frame is hinged to the first frame; the third frame is hinged to the second frame; eight spring pins are fixedly installed on the second and third frames respectively; the two ends of the first magnetic strip are respectively attached to the first and second frames; the second magnetic strip is respectively attached to the second and third frames; the frame end cap is fixedly installed on the first frame.

[0014] Furthermore, the spring pin includes a pin head, a pin base, a return spring, and an annular head; the two ends of the return spring are respectively fixedly installed on the pin base and hinged to the annular head; the pin head is fixedly installed on the annular head.

[0015] The beneficial effects of this invention compared with the prior art are: (1) The elastic support fixing device can adapt to electrical appliances with different base shapes by deforming multiple elastic belts, thereby realizing the bearing function, and then realizes the fixing function by adaptive deformation of the adaptive clamping mechanism. (2) The compliant worktable can realize the lifting and rotation function by forming a two-stage lifting mechanism and hydraulic lifting mechanism, and then realize the welding function of the electrical circuit board by the welding mechanism. (3) The double belt lifting device can tighten the left and right belts respectively by moving the tension wheel, so that the left and right pulleys rotate asynchronously, thereby realizing the forward, backward and left and right tilting function of the elastic support fixing device, so that the posture of the electrical circuit board can adapt to the actual welding work. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall assembly structure in the working state of an embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the component structure of the double belt lifting device of the present invention.

[0018] Figure 3 This is a schematic diagram of the component structure of the elastic support fixing device of the present invention.

[0019] Figure 4 This is a schematic diagram of the component structure of the friction contact head of the present invention.

[0020] Figure 5 This is a schematic diagram of the component structure of the elastic transport device of the present invention.

[0021] Figure 6 This is a schematic diagram of the component structure of the compliant worktable of the present invention.

[0022] Figure 7 This is a schematic diagram of the component structure of the first compliant rod of the present invention.

[0023] Figure 8 This is a schematic diagram of the component structure of the second compliant rod of the present invention.

[0024] Figure 9 This is a schematic diagram of the component structure of the adaptive framework of the present invention.

[0025] Figure 10 This is a schematic diagram of the component structure of the spring pin of the present invention.

[0026] In the diagram: 1-Double belt lifting device; 2-Elastic support fixing device; 3-Elastic transport device; 4-Compliant worktable; 5-Adaptive frame; 101-Lifting base; 102-First lifting screw; 103-First pulley; 104-Modible tension wheel; 105-Elastic belt; 106-Second lifting screw; 107-Second pulley; 108-Third pulley; 201-L-shaped ball sleeve; 202-Elastic fixing frame; 203-Sliding pin; 204-Elastic support belt; 205-Tightening... 206-Fixing bolt; 207-Friction contact head; 208-Support spring; 209-Support ball bearing; 210-L-shaped lead screw frame; 211-Support lead screw; 212-Support connecting rod; 213-Support extension shaft; 20601-Rubber pad; 20602-Rubber protrusion; 301-Transport bracket; 302-Elastic transport shaft; 303-Rotating roller; 304-Ring buckle; 401-Welding base; 402-Cooling fan; 403-Elastic cable welding gun; 404-Power supply. Box; 405-First indexing base; 406-Hydraulic cylinder; 407-Hydraulic column; 408-Elastic oil supply pipe; 409-Oil tank; 410-Oil pump; 411-First compliant rod; 412-Indexing slider; 413-Second compliant rod; 414-Indexing ball; 415-Indexing screw; 416-Second indexing base; 41101-Lower compliant joint; 41102-Folded compliant rod body; 41103-Compliant hinge hole; 41301-Left compliant joint; 41302-Straight Compliant rod; 41303-Right compliant joint; 501-Locking bolt; 502-Frame roller; 503-Roller bracket; 504-Frame lead screw; 505-First frame; 506-First magnetic strip; 507-Second frame; 508-Second magnetic strip; 509-Spring pin; 510-Third frame; 511-Frame guide rod; 512-Frame end cap; 50901-Pin head; 50902-Pin base; 50903-Reset spring; 50904-Ring head. Detailed Implementation

[0027] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments. The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual pictures, and should not be construed as limiting the present patent. In order to better illustrate the embodiments of the present invention, some parts in the drawings may be omitted, enlarged or reduced, and do not represent the actual product size. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0028] Figures 1 to 10 This is a preferred embodiment of the present invention.

[0029] like Figure 1 As shown, a double-belt lifting device 1 and a compliant worktable 4 are fixedly installed on the adaptive frame 5. An elastic support fixing device 2 is also slidably installed on the adaptive frame 5. The adaptive frame 5 achieves structural deformation through the rotation of the ball screw mechanism and the hinges between the various frame members. The double-belt lifting device 1 achieves the forward, backward, left, and right tilting of the elastic support fixing device 2 through the asynchronous rotation of each pulley, thereby adjusting the electrical circuit board to a suitable welding position. The compliant worktable 4 forms a two-stage lifting mechanism through a compliant mechanism and a hydraulic lifting mechanism to achieve lifting and rotation. Then, through welding and air blowing by the welding mechanism, the electrical circuit board is welded and dust is cleaned. The elastic support fixing device 2 adapts to different electrical components through the deformation of multiple elastic bands on the support mechanism. The base of the appliance is fixed by the adaptive deformation of the adaptive clamping mechanism. An elastic transport device 3 is hinged to the elastic support fixing device 2. The elastic transport device 3 adapts to the shape of the appliance's chassis through the deformation of the elastic shaft and rollers, thus completing the transport of the appliance. The elastic support fixing device 2 also includes a support mechanism and an adaptive clamping mechanism. The adaptive clamping mechanism is fixedly installed on the support mechanism, which supports the appliance, and the adaptive clamping mechanism clamps the appliance. The compliant worktable 4 also includes a compliant mechanism, a hydraulic lifting mechanism, and a welding mechanism. The welding mechanism is hinged to the hydraulic lifting mechanism. The hydraulic lifting mechanism is slidably installed on the compliant mechanism. The compliant mechanism and the hydraulic lifting mechanism are used for lifting and rotating the appliance, and the welding mechanism is used for welding and cleaning the appliance's circuit board.

[0030] like Figure 2As shown, in the double-belt lifting device 1, the first lifting screw 102 is hinged to the lifting base 101; the movable tension wheel 104 is slidably mounted on the lifting base 101, and the internal thread of the movable tension wheel 104 and the external thread of the first lifting screw 102 form a threaded pair; the first pulley 103 and the second pulley 107 are hinged to the lifting base 101; two second lifting screws 106 are respectively fixedly mounted on the first pulley 103 and the second pulley 107; the third pulley 108 is hinged to the lifting base 101; and the elastic belt 105 is used for power transmission between the first pulley 103 and the third pulley 108, and between the second pulley 107 and the third pulley 108.

[0031] like Figure 3 and Figure 4 As shown, in the elastic support fixing device 2, the adaptive clamping mechanism is fixedly installed on the support mechanism; in the adaptive clamping mechanism, the support crank 212 is hinged to the elastic fixing frame 202; the two ends of the support connecting rod 211 are respectively hinged to the L-shaped lead screw frame 209 and the support crank 212; the support lead screw 210 is hinged to the L-shaped lead screw frame 209; the support ball 208 is slidably installed on the L-shaped lead screw frame 209, and the internal thread of the support ball 208 and the external thread of the support lead screw 210 form a threaded pair; the L-shaped lead screw frame 209 is slidably installed on the elastic fixing frame 202; the two ends of the support spring 207 are fixedly installed on the friction contact head 206 and the support... The ball bearing 208 is supported; the friction contact head 206 is provided with a rubber pad 20601 and a rubber protrusion 20602; the fastening bolt 205 is fixedly installed on the L-shaped lead screw frame 209 to fix the L-shaped lead screw frame 209 and the support lead screw 210 to prevent loosening during the clamping process; the sliding pin 203 is slidably installed on the elastic fixing frame 202; in the support mechanism, the four L-shaped ball sleeves 201 are divided into two groups, each group has two L-shaped ball sleeves 201, and the two L-shaped ball sleeves 201 in each group are slidably installed on both ends of the support extension shaft 213; the two ends of the elastic support band 204 are slidably installed on the L-shaped ball sleeves 201 in different groups respectively.

[0032] like Figure 5 As shown, in the elastic transport device 3, the elastic transport shaft 302 is fixedly installed on the transport bracket 301; the rotating roller 303 is hinged on the elastic transport shaft 302; and the ring buckle 304 is slidably installed on the transport bracket 301.

[0033] like Figures 6-8As shown, in the compliant worktable 4, the welding mechanism is hinged to the hydraulic lifting mechanism; the hydraulic lifting mechanism is slidably mounted on the compliant mechanism; in the welding mechanism, the cooling fan 402 is hinged to the welding base 401; the flexible cable welding gun 403 is slidably mounted on the welding base 401, and the flexible cable welding gun 403 is also fixedly mounted on the power supply box 404; the power supply box 404 is fixedly mounted on the welding base 401; in the compliant mechanism, the first compliant rod 411 is fixedly mounted on the indexing slider 412, and the two first compliant rods 411 are hinged to each other; the two ends of the second compliant rod 413 are respectively fixedly mounted on the indexing slider 412 and the indexing ball 414; the indexing slider 412 and the indexing ball 414 are both slidably mounted on the second indexing base 416; the indexing screw 415 Both ends of the screw 415 are hinged to the second indexing base 416, and the external thread of the indexing screw 415 and the internal thread of the indexing ball 414 form a threaded pair. The first compliant rod 411 is provided with a lower compliant joint 41101, a folded compliant rod body 41102, and a compliant hinge hole 41103. The second compliant rod 413 is provided with a left compliant joint 41301, a straight compliant rod body 41302, and a right compliant joint 41303. In the hydraulic lifting mechanism, the hydraulic cylinder 406 is hinged to the first indexing base 405. The hydraulic column 407 is slidably mounted on the hydraulic cylinder 406. Both ends of the elastic oil pipe 408 are fixedly mounted on the hydraulic cylinder 406 and the oil tank 409, respectively. The oil tank 409 is fixedly mounted on the first indexing base 405. The oil pump 410 is fixedly mounted on the oil tank 409.

[0034] like Figure 9 As shown, in the adaptive frame 5, the frame roller 502 is hinged to the roller bracket 503; the locking bolt 501 is used to lock the frame roller 502 and the roller bracket 503; the roller bracket 503 is fixedly installed on the first frame 505; the front end of the frame screw 504 is hinged to the first frame 505, and the external thread on the rear end of the frame screw 504 and the internal thread on the first frame 505 form a threaded pair; the first frame 505 is slidably installed on the frame guide rod 511. The second frame 507 is hinged to the first frame 505; the third frame 510 is hinged to the second frame 507; eight spring pins 509 are fixedly installed on the second frame 507 and the third frame 510 respectively; the two ends of the first magnetic strip 506 are respectively attached to the first frame 505 and the second frame 507; the second magnetic strip 508 is respectively attached to the second frame 507 and the third frame 510; the frame end cap 512 is fixedly installed on the first frame 505.

[0035] like Figure 10 As shown, in the spring pin 509, the two ends of the return spring 50903 are respectively fixedly installed on the pin base 50902 and hinged to the annular head 50904; the pin head 50901 is fixedly installed on the annular head 50904.

[0036] Working principle of the invention: Figure 1 The invention provides its usage and corresponding scenarios. The posture control during the maintenance process is determined by the double belt lifting device 1, the elastic support fixing device 2, and the compliant worktable 4. The posture of the double belt lifting device 1 is determined by the elastic support fixing device 2, and the posture of the compliant worktable 4 is determined by the posture of the elastic support fixing device 2. The elastic support fixing device 2 is the core of the posture control during the welding maintenance process.

[0037] Taking Example 1 as an example, two double-belt lifting devices 1 drive four second lifting screws 106 to rotate asynchronously. The second lifting screws 106 drive the four L-shaped ball sleeves 201 of the elastic support fixing device 2 to lift asynchronously, thereby realizing the forward, backward, left, and right tilting function of the elastic support fixing device 2. The rotating roller 303 of the elastic transport device 3 rotates, which can realize the transport function of the electrical appliance. After being transported to the elastic support fixing device 2, the elastic support belt 204 on the elastic support fixing device 2 undergoes elastic deformation during asynchronous lifting and load-bearing, thereby realizing the deformation adaptation function of the support mechanism. The elastic support fixing device 2 realizes the adaptive clamping function through the adaptive clamping mechanism, and after the electrical appliance is fixed... Afterwards, the maintenance personnel stand on the welding base 401 to disassemble the electrical appliance's casing. Then, using the cooling fan 402 on the compliant workbench 4, they clean the exposed circuit boards by blowing away dust. After leveling the welding base 401, the maintenance personnel can lift the compliant device and the hydraulic lifting mechanism to achieve the lifting function. After lifting to the appropriate position, the maintenance personnel use the flexible cable welding gun 403 to repair and weld the circuit board. When there are no personnel on the compliant device, the hydraulic lifting mechanism can lift and rotate the electrical appliance. Manually rotating the frame screw 504 on the adaptive frame 5 can change the length of the adaptive frame 5.

[0038] Specifically, such as Figure 2 As shown, manually rotating the first lifting screw 102 causes the movable tension wheel 104 to move on the lifting base 101, thereby tensioning the elastic belt 105. When the movable tension wheel 104 on the left side tensions the elastic belt 105 on the left side, manually rotating the third pulley 108 causes it to rotate. The third pulley 108 then drives the first pulley 103 to rotate via the tensioned elastic belt 105. The first pulley 103 then drives the second lifting screw 106 on the left side to rotate. After the first pulley 103 has rotated for a certain period of time, manually rotating the first lifting screw 102 drives the movable tension wheel 104 on the right side to tension the elastic belt 105 on the right side. The rotation of the third pulley 108 will then drive the second pulley 107 to rotate via the tensioned elastic belt 105. The second pulley 107 then drives the second lifting screw 106 on the right side to rotate, thus achieving asynchronous rotation.

[0039] like Figure 3 and Figure 4 As shown, the asynchronous rotation of the four second lifting screws 106 causes the four L-shaped ball sleeves 201 to rotate asynchronously. When the L-shaped ball sleeves 201 rotate asynchronously, the elastic fixing frame 202, the elastic support belt 204, and the support extension shaft 213 will adaptively deform and lengthen, thereby realizing the forward, backward, left, and right tilting function of the support mechanism. When the electrical appliance is placed on the elastic support belt 204 of the support mechanism, the elastic support belt 204 will undergo elastic deformation due to pressure, thereby adapting to the shape of the appliance's base and realizing the load-bearing function. The support crank 212 is manually driven to rotate, and the support crank 212 drives the L-shaped screw frame 209 to slide on the elastic fixing frame 202 through the support connecting rod 211. When it slides to the appropriate position, the sliding pin 203 will... Manually insert the L-shaped lead screw frame 209 to lock its vertical interaction. Then manually drive the support lead screw 210 to rotate. The support lead screw 210 drives the support ball 208 to slide on the L-shaped lead screw frame 209. The support ball 208 drives the support spring 207 and the friction contact head 206 to move. When pressing against the outer surface of the appliance, the four support springs 207 will deform to different degrees according to the different forces. The rubber pad 20601 and rubber protrusion 20602 on the friction contact head 206 will also deform to adapt to the outer surface of the appliance. At this time, use a tool to tighten the fastening bolt 205 to tighten the L-shaped lead screw frame 209 and the support lead screw 210, thereby realizing the adaptive clamping and fixing function of the adaptive clamping mechanism.

[0040] like Figure 5 As shown, when the elastic transport device 3 is not used, the transport bracket 301 is hinged to the elastic support fixing device 2 at one end, and the other end hangs freely, thus realizing the storage function of the elastic transport device 3; when the elastic transport device 3 is used, the ring buckle 304 in the middle of the transport bracket 301 will be fastened to the elastic support fixing device 2, so that the elastic transport device 3 is in a horizontal state. When the electrical appliance is rolled on the rotating roller 303, the elastic transport shaft 302 will bend and deform to adapt to the shape of the chassis of the electrical appliance, thus realizing the adaptive transport function.

[0041] like Figures 6-8As shown, the welding base 401 is placed flat, and the indexing screw 415 is manually driven to rotate. The indexing screw 415 drives the indexing ball 414 to slide back and forth on the second indexing base 416. The indexing ball 414 drives the indexing slider 412 to slide inward through the bidirectional bending deformation of the left compliant joint 41301 and the right compliant joint 41303 on the second compliant rod 413 relative to the straight compliant rod body 41302. The two first compliant rods 411 are hinged to the folded compliant rod. The compliant hinge hole 41103 on the rod 41102 causes the indexing slider 412 to drive the left compliant joint 41301 on the two first compliant rods 411 to bend outward. The first indexing base 405 is slidably installed on the two folded compliant rods 41102. The outward bending of the left compliant joint 41301 causes the upper ends of the two folded compliant rods 41102 to move inward, thereby driving the compliant mechanism to lift, so as to realize the lifting function of maintenance personnel; after lifting into place... The maintenance personnel need to disassemble the outer casing of the electrical appliance. While disassembling the casing, the oil pump 410 drives the oil in the oil tank 409 to enter the hydraulic cylinder 406 through the flexible oil supply pipe 408. As the oil pressure increases, the hydraulic column 407 will rise in the hydraulic cylinder 406, lifting the electrical appliance. The electrical appliance can be manually rotated to realize the lifting and rotation function of the hydraulic lifting mechanism, thereby facilitating the disassembly of the casing. After the casing is disassembled, the circuit board will be exposed. The welding base 401 is erected, and the cooling fan 402 is used to clean the dust on the circuit board, thereby realizing the cleaning function of the welding mechanism. After cleaning, the welding base 401 is laid flat, and the maintenance personnel stand on the welding base 401 to repair the circuit board. When welding is required, the flexible cable welding gun 403 is manually picked up, the power supply box 404 is turned on, and the circuit board is welded. This realizes the welding mechanism's function of welding and repairing electrical appliances with the casing removed and the circuit board exposed.

[0042] like Figure 9 and Figure 10As shown, after the adaptive frame 5 is moved to the appropriate position, the frame rollers 502 and roller brackets 503 are tightened by the locking bolts 501 to achieve the movement locking function; the frame screw 504 is manually driven to rotate, and the frame end cap 512 is used to limit the axial position. The frame screw 504 drives the first frame 505 to extend and retract, thereby achieving the length adjustment function of the adaptive frame 5; when the second frame 507 is placed vertically, the first frame 505 and the second frame 507 are locked by the first magnetic strip 506 and the spring pin 509. Removing the first magnetic strip 506 and loosening the spring pin 509 will allow the second frame 507 to rotate and fold freely. The locking of the second frame 507 and the third frame 510 is achieved through... The second magnetic strip 508 and spring pin 509 are used to achieve this. Removing the second magnetic strip 508 and loosening the spring pin 509 will allow the third frame 510 to rotate and fold freely, thus realizing the folding function of the adaptive frame 5. The pin base 50902 is fixed. The angle of the ring head 50904 is manually rotated by 90° so that the pin head 50901 is aligned with the notch. The ring head 50904 and the pin head 50901 are pressed down. Then, the angle of the ring head 50904 is rotated by 90° in the opposite direction. At this time, the return spring 50903 is compressed and deformed. The resulting elastic force will press the first frame 505 and the second frame 507, and the second frame 507 and the third frame 510 together to achieve the locking function.

Claims

1. A multifunctional electrical circuit board welding and repair bracket, comprising a double-belt lifting device (1), an elastic support fixing device (2), an elastic transport device (3), a compliant workbench (4), and an adaptive frame (5), characterized in that: A double-belt lifting device (1) and a compliant worktable (4) are fixedly installed on the adaptive frame (5). An elastic support fixing device (2) is also slidably installed on the adaptive frame (5). The adaptive frame (5) deforms through the rotation of the ball screw mechanism and the hinges between the various frames. The double-belt lifting device (1) tilts the elastic support fixing device (2) forward, backward, left, and right by rotating the pulleys at different times, thereby adjusting the electrical circuit board to a suitable welding position. The compliant worktable (4) forms a two-stage lifting mechanism using a compliant mechanism and a hydraulic lifting mechanism to achieve lifting and rotation. Then, the welding mechanism and air blowing achieve welding and dust cleaning of the electrical circuit board. The elastic support fixing device (2) adapts to different conditions by deforming multiple elastic belts on the support mechanism. The base of the appliance is fixed by the adaptive deformation of the adaptive clamping mechanism; the elastic support fixing device (2) is hinged to the elastic transport device (3), which adapts to the shape of the appliance chassis by the deformation of the elastic shaft and roller, thereby completing the transport of the appliance; the elastic support fixing device (2) also includes a support mechanism and an adaptive clamping mechanism; the adaptive clamping mechanism is fixedly installed on the support mechanism, the support mechanism is used for supporting the appliance, and the adaptive clamping mechanism is used for clamping the appliance; the compliant worktable (4) also includes a compliant mechanism, a hydraulic lifting mechanism, and a welding mechanism; the welding mechanism is hinged to the hydraulic lifting mechanism; the hydraulic lifting mechanism is slidably installed on the compliant mechanism; the compliant mechanism and the hydraulic lifting mechanism are used for lifting and rotating the appliance, and the welding mechanism is used for welding and cleaning the appliance circuit board.

2. The multifunctional electrical circuit board welding and repair bracket as described in claim 1, characterized in that: The adaptive clamping mechanism includes an elastic fixing frame (202), a sliding pin (203), a fastening bolt (205), a friction contact head (206), a support spring (207), a support ball (208), an L-shaped lead screw frame (209), a support lead screw (210), a support connecting rod (211), and a support crank (212); the support crank (212) is hinged to the elastic fixing frame (202); both ends of the support connecting rod (211) are respectively hinged to the L-shaped lead screw frame (209) and the support crank (212); the support lead screw (210) is hinged to the L-shaped lead screw frame (209); the support ball (208) is slidably mounted on the L-shaped lead screw frame (209), and... The internal thread of the support ball (208) and the external thread of the support screw (210) form a threaded pair; the L-shaped screw frame (209) is slidably mounted on the elastic fixing frame (202); the two ends of the support spring (207) are fixedly mounted on the friction contact head (206) and the support ball (208); the friction contact head (206) is provided with a rubber pad (20601) and a rubber protrusion (20602); the fastening bolt (205) is fixedly mounted on the L-shaped screw frame (209) to fix the L-shaped screw frame (209) and the support screw (210) to prevent loosening during the clamping process; the sliding pin (203) is slidably mounted on the elastic fixing frame (202).

3. The multifunctional electrical circuit board welding and repair bracket as described in claim 2, characterized in that: The support mechanism includes an L-shaped ball sleeve (201), an elastic support belt (204), and a support extension shaft (213). The four L-shaped ball sleeves (201) are divided into two groups, with two L-shaped ball sleeves (201) in each group. The two L-shaped ball sleeves (201) in each group are slidably mounted on both ends of the support extension shaft (213). The two ends of the elastic support belt (204) are slidably mounted on the L-shaped ball sleeves (201) in different groups.

4. The multifunctional electrical circuit board welding and repair bracket as described in claim 3, characterized in that: The welding mechanism includes a welding base (401), a cooling fan (402), a flexible cable welding gun (403), and a power supply box (404); the cooling fan (402) is hinged on the welding base (401); the flexible cable welding gun (403) is slidably mounted on the welding base (401), and the flexible cable welding gun (403) is also fixedly mounted on the power supply box (404); the power supply box (404) is fixedly mounted on the welding base (401).

5. The multifunctional electrical circuit board welding and repair bracket as described in claim 4, characterized in that: The compliant mechanism includes a first compliant rod (411), a indexing slider (412), a second compliant rod (413), an indexing ball (414), an indexing screw (415), and a second indexing base (416). The first compliant rod (411) is fixedly mounted on the indexing slider (412), and the two first compliant rods (411) are hinged to each other. The two ends of the second compliant rod (413) are fixedly mounted on the indexing slider (412) and the indexing ball (414) respectively. The indexing slider (412) and the indexing ball (414) are both slidably mounted on the second indexing base (416). On the indexing base (416); the two ends of the indexing screw (415) are hinged to the second indexing base (416), and the external thread of the indexing screw (415) and the internal thread of the indexing ball (414) form a threaded pair; the first compliant rod (411) is provided with a lower compliant joint (41101), a folded compliant rod body (41102), and a compliant hinge hole (41103); the second compliant rod (413) is provided with a left compliant joint (41301), a straight compliant rod body (41302), and a right compliant joint (41303).

6. The multifunctional electrical circuit board welding and repair bracket as described in claim 5, characterized in that: The hydraulic lifting mechanism includes a first indexing base (405), a hydraulic cylinder (406), a hydraulic column (407), an elastic oil supply pipe (408), an oil tank (409), and an oil pump (410); the hydraulic cylinder (406) is hinged to the first indexing base (405); the hydraulic column (407) is slidably mounted on the hydraulic cylinder (406); the two ends of the elastic oil supply pipe (408) are respectively fixedly mounted on the hydraulic cylinder (406) and the oil tank (409); the oil tank (409) is fixedly mounted on the first indexing base (405); and the oil pump (410) is fixedly mounted on the oil tank (409).

7. A multifunctional electrical circuit board welding and repair bracket as described in claim 6, characterized in that: The flexible transport device (3) includes a transport bracket (301), a flexible transport shaft (302), a rotating roller (303), and a ring buckle (304); the flexible transport shaft (302) is fixedly installed on the transport bracket (301); the rotating roller (303) is hinged on the flexible transport shaft (302); and the ring buckle (304) is slidably installed on the transport bracket (301).

8. A multifunctional electrical circuit board welding and repair bracket as described in claim 7, characterized in that: The double-belt lifting device (1) includes a lifting base (101), a first lifting screw (102), a first pulley (103), a movable tension wheel (104), an elastic belt (105), a second lifting screw (106), a second pulley (107), and a third pulley (108); the first lifting screw (102) is hinged to the lifting base (101); the movable tension wheel (104) is slidably mounted on the lifting base (101), and the internal thread of the movable tension wheel (104) is connected to the first lifting screw. The external thread of the lever (102) forms a threaded pair; the first pulley (103) and the second pulley (107) are hinged on the lifting base (101); two second lifting screws (106) are fixedly installed on the first pulley (103) and the second pulley (107) respectively; the third pulley (108) is hinged on the lifting base (101); the elastic belt (105) is used for power transmission between the first pulley (103) and the third pulley (108), and between the second pulley (107) and the third pulley (108).

9. A multifunctional electrical circuit board welding and repair bracket as described in claim 8, characterized in that: The adaptive frame (5) includes a locking bolt (501), a frame roller (502), a roller bracket (503), a frame screw (504), a first frame (505), a first magnetic strip (506), a second frame (507), a second magnetic strip (508), a spring pin (509), a third frame (510), a frame guide rod (511), and a frame end cap (512). The frame roller (502) is hinged to the roller bracket (503). The locking bolt (501) is used to lock the frame roller (502) and the roller bracket (503). The roller bracket (503) is fixedly installed on the first frame (505). The front end of the frame screw (504) is hinged to the first frame (505), and the frame... The external thread on the rear end of the lead screw (504) and the internal thread on the first frame (505) form a threaded pair; the first frame (505) is slidably mounted on the frame guide rod (511); the second frame (507) is hinged to the first frame (505); the third frame (510) is hinged to the second frame (507); eight spring pins (509) are fixedly mounted on the second frame (507) and the third frame (510) respectively; the two ends of the first magnetic strip (506) are respectively attached to the first frame (505) and the second frame (507); the second magnetic strip (508) is respectively attached to the second frame (507) and the third frame (510); the frame end cap (512) is fixedly mounted on the first frame (505).

10. A multifunctional electrical circuit board welding and repair bracket as described in claim 9, characterized in that: The spring pin (509) includes a pin head (50901), a pin base (50902), a return spring (50903), and an annular head (50904); the two ends of the return spring (50903) are respectively fixedly installed on the pin base (50902) and hinged to the annular head (50904); the pin head (50901) is fixedly installed on the annular head (50904).

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