CN112453620A

CN112453620A - Maintenance device capable of positioning and detecting faults of circuit board

Info

Publication number: CN112453620A
Application number: CN202110044154.0A
Authority: CN
Inventors: 左露桂
Original assignee: Shanghai Dupeng Electronic Technology Co ltd
Current assignee: Shenzhen zhuoze Technology Co.,Ltd.
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-03-09
Anticipated expiration: 2041-01-13
Also published as: CN112453620B8; CN112453620B

Abstract

The invention discloses a maintenance device capable of positioning and detecting faults of a circuit board, which comprises a machine body, wherein a front-back through working cavity is arranged in the wall body at the right side of the machine body, and a positioning device for positioning faults is arranged at the lower side of the working cavity; the positioning device is arranged, so that the mobile phone circuit board can be clamped and protected through the clamping block, and the positioning part can be quickly moved to the lower side of the microscope controller for amplification detection by driving the sliding block to move left and right and move front and back; the on-off detection of the circuit can be carried out on the adjusted test pencil I and the adjusted test pencil II; can carry out spot welding maintenance to the short circuit position through drive soldering tin guide arm to make the circuit communicate the maintenance, thereby realized accurate location and detection maintenance to circuit board trouble circuit, thereby improve cell-phone circuit board's maintenance efficiency and maintenance quality greatly.

Description

Maintenance device capable of positioning and detecting faults of circuit board

Technical Field

The invention relates to the technical field related to machine positioning, in particular to a maintenance device capable of positioning and detecting faults of a circuit board.

Background

Location refers to determining the location, the location determined or indicated, determining the location of a place or boundary (e.g., by surveying) to the boundary of the property; the existing mobile phone circuit board maintenance generally adopts a manual professional microscope to detect circuits, and power on and off maintenance is carried out, so that the fault position can not be accurately and quickly positioned in a maintenance mode, and then the circuits are detected and maintained, so that the fault detection efficiency and the mobile phone circuit on and off efficiency in the mobile phone maintenance are greatly reduced, a maintenance device capable of positioning and detecting the faults of the circuit board is required to be designed, the mobile phone fault positioning accuracy is improved, and the maintenance efficiency is greatly improved.

Disclosure of Invention

The invention aims to provide a maintenance device capable of positioning and detecting faults of a circuit board, which is used for overcoming the defects in the prior art.

The maintenance device capable of positioning and detecting the fault of the circuit board comprises a machine body, a working cavity which is communicated from front to back is arranged in a wall body on the right side of the machine body, a positioning device for positioning the fault is arranged on the lower side of the working cavity, the positioning device comprises a first sliding cavity arranged in a wall body on the lower side of the working cavity, a sliding box is arranged in the first sliding cavity in a sliding mode, two motors which are symmetrical from left to right are fixedly arranged in a wall body on the rear side of the first sliding cavity, a first threaded rotating shaft is fixedly arranged on a power output shaft of the motor, the first threaded rotating shaft is in threaded engagement with the sliding box and used for controlling the sliding box to move back and forth, a fixing device for fixing the circuit board is arranged in a wall body on the upper side of the sliding box, and a micro-controller which is communicated with the working cavity and used, the detection and maintenance device for detecting and maintaining short circuit at fault positions of the mobile phone circuit board is arranged in the working cavity and comprises a detection and maintenance box capable of moving left and right and a rotating block arranged at the right side in the working cavity, a rotating cavity I is arranged in a side wall body at the lower side of the detection and maintenance box, a motor II is fixedly arranged in a front side wall body of the rotating cavity I, a rotating block rotatably arranged in the rotating cavity I is fixedly arranged on a power output shaft of the motor II, a sliding cavity II is arranged in a side wall body at the lower side of the rotating block, a first electric pen for detecting power-on and power-off of the electric circuit is slidably arranged in the sliding cavity II, a first electromagnet is fixedly arranged at the upper side wall body of the sliding cavity II, a first telescopic spring is arranged between the side wall body at the upper side of the sliding cavity II and the side wall body at the upper side of the first, the utility model discloses a machine, including two working chambers, two rotating chambers, two power output shafts, two screw thread pivot two, be equipped with in the wall body of working chamber left side and be used for driving adjusting device about the turning block moves, the internal motor that has set firmly of lateral wall before rotating chamber two, set firmly on three power output shafts of motor rotate install in rotate the rotation case in the chamber two, rotate under the case the lateral wall body in be equipped with the structure with electrography two the same, electrography one with the cooperation of electrography two can carry out the circular telegram point inspection to the circuit of the circuit board after the machine location, set firmly screw thread pivot two on the wall body of working chamber left side, be equipped with in the two left sides of screw thread pivot and be used for the drive adjusting.

On the basis of the technical scheme, the fixing device comprises a first sliding groove arranged in the upper side wall body of the sliding box, a first gear cavity which is symmetrical left and right about the middle position of the first sliding groove is arranged in the lower side wall body of the sliding groove, a motor IV is fixedly arranged in the front side wall body of the gear cavity I, a gear I is fixedly arranged on a power output shaft of the motor IV, a sliding push rod is arranged in the sliding groove I in a sliding manner, a rack in the lower side wall body of the sliding push rod is meshed and connected with the gear I, a sliding block is fixedly arranged on one side of the sliding push rod close to the micro-controller, a clamping block is fixedly arranged on one side of the sliding block close to the micro-controller, the clamping block can clamp and protect a fixed circuit board, and the motor is started four times to drive the sliding push rod to perform left-right sliding adjustment, so that the left-right sliding adjustment of the circuit board can be realized.

On the basis of the technical scheme, the detection and maintenance device is still including set up in the internal sliding chamber three of lateral wall under the turning block, it is equipped with the soldering tin guide arm to slide in the sliding chamber three, be equipped with sliding chamber four in the wall body under the soldering tin guide arm, it is equipped with the tin bar to slide in the four lower side wall bodies of sliding chamber, it can be to carrying out the supplementary piece that fixes to slide in the four sliding chamber, supplementary piece upside is equipped with and drives the tin bar and carry out gliding electro-magnet group from top to bottom, two rear sides of electrography it is right to slide to be equipped with in the wall body under the turning box the fuse that the tin bar heated.

On the basis of the technical scheme, the adjusting device comprises a gear cavity II arranged in the machine body on the left side of the working cavity, a gear cavity III is arranged in the machine body on the upper side of the gear cavity II, a sliding cavity V is arranged in the wall body on the upper side of the gear cavity III, an electromagnet III is fixedly arranged in the wall body on the left side of the sliding cavity V, a slide block I is slidably arranged in the sliding cavity V, an electromagnet IV is fixedly arranged in the wall body on the left side of the slide block I, a motor V is fixedly arranged in the wall body on the lower side of the electromagnet IV, a telescopic spring II capable of stretching and retracting is arranged between the slide block I and the wall body on the right side of the sliding cavity V, the telescopic spring II is in a natural state, a gear II is fixedly arranged on a power output shaft of the motor V, a rotating shaft I is rotatably arranged between the gear cavity III and the gear cavity II, and, the lower side wall body of the fixed guide rail is internally provided with a second sliding groove, a second threaded rotating shaft is arranged between the second sliding groove and the second gear cavity in a rotating mode, a first bevel gear is fixedly arranged on the first rotating shaft in the second gear cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged on the second threaded rotating shaft in the second gear cavity, and the second sliding groove is provided with a detection maintenance box meshed with the second threaded rotating shaft in a sliding mode.

On the basis of the technical scheme, the lifting device comprises six sliding cavities symmetrically arranged in the upper side wall body of the working cavity on the left side and the right side of the micro-controller, two sliding blocks are arranged in the six sliding cavities in a sliding mode, a gear cavity four is arranged on one side, far away from the micro-controller, of the six sliding cavities, a belt wheel cavity I is arranged on the rear side of the gear cavity four, a belt wheel I is rotatably arranged between the belt wheel cavity I and the gear cavity IV, a gear IV is fixedly arranged on the belt wheel I in the gear cavity four on the right side of the micro-controller, a gear V is fixedly arranged on the belt wheel I in the gear cavity four on the left side of the micro-controller, a bevel gear III is fixedly arranged on the belt wheel I on the front side of the gear V, a belt wheel II is fixedly arranged on the belt wheel I in the belt wheel cavity I, and an eight-character winding belt is rotatably arranged between the belt wheels II on, the machine body is provided with a second belt wheel cavity on the upper side of the third gear cavity, the second belt wheel cavity and the third gear cavity are rotatably provided with a second rotating shaft, the third gear cavity is internally provided with a sixth gear fixedly arranged on the second rotating shaft, the second belt wheel cavity is internally provided with a first belt wheel fixedly arranged on the second rotating shaft, the second belt wheel cavity is positioned on the left side of the micro-controller, the third rotating shaft is rotatably arranged between the fourth gear cavity, the third belt wheel is fixedly arranged on the third rotating shaft in the second belt wheel cavity, a synchronous belt is arranged between the first belt wheel and the third belt wheel, and a fourth bevel gear meshed with the third bevel gear is fixedly arranged on the third rotating shaft in the fourth gear cavity.

The invention has the beneficial effects that: the positioning device is arranged, so that the mobile phone circuit board can be clamped and protected through the clamping block, and the positioning part can be quickly moved to the lower side of the microscope controller for amplification detection by driving the sliding block to move left and right and move front and back; the on-off detection of the circuit can be carried out on the adjusted test pencil I and the adjusted test pencil II; can carry out spot welding maintenance to the short circuit position through drive soldering tin guide arm to make the circuit communicate the maintenance, thereby realized accurate location and detection maintenance to circuit board trouble circuit, thereby improve cell-phone circuit board's maintenance efficiency and maintenance quality greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a maintenance device capable of performing location detection on a fault of a circuit board;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 3 is a cross-sectional view taken at "B-B" of FIG. 1 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken at "C-C" of FIG. 1 in accordance with the present invention;

FIG. 5 is a cross-sectional view taken at "D-D" of FIG. 1 in accordance with the present invention;

FIG. 6 is a cross-sectional view taken at "E-E" of FIG. 1 in accordance with the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 6, the maintenance device capable of positioning and detecting the fault of the circuit board according to the embodiment of the present invention includes a machine body 10, a front-back through working chamber 19 is provided in a right side wall body of the machine body 10, a positioning device 901 for positioning the fault is provided at a lower side of the working chamber 19, the positioning device 901 includes a first sliding chamber 24 provided in a lower side wall body of the working chamber 19, a sliding box 80 is slidably provided in the first sliding chamber 24, two motors 79 which are bilaterally symmetrical are fixedly provided in a rear side wall body of the first sliding chamber 24, a first threaded rotating shaft 25 is fixedly provided on a power output shaft of the first motor 79, the first threaded rotating shaft 25 is in threaded engagement with the sliding box 80 and is used for controlling the sliding box 80 to move back and forth, a fixing device 902 for fixing the circuit board is provided in an upper side wall body of the sliding box 80, and a detection amplifier for detecting and amplifying the circuit board is provided in the upper side wall body 10 The micro-controller 29 is characterized in that a detection and maintenance device 903 used for detecting and maintaining short circuits at a fault position of a mobile phone circuit board is arranged in the working cavity 19, the detection device 903 comprises a detection and maintenance box 63 capable of moving left and right and a rotating block 64 arranged at the right side in the working cavity 19, a rotating cavity I62 is arranged in the lower side wall body of the detection and maintenance box 63, a motor II 58 is fixedly arranged in the front side wall body of the rotating cavity I62, the rotating block 64 rotatably arranged in the rotating cavity I62 is fixedly arranged on a power output shaft of the motor II 58, a sliding cavity II 60 is arranged in the lower side wall body of the rotating block 64, a first electroprobe 61 used for detecting the electricity interruption of the circuit is arranged in the sliding cavity II 60 in a sliding mode, a first electromagnet 59 is fixedly arranged on the upper side wall body of the first electroprobe 61, a second electromagnet 56 is fixedly arranged on the upper side wall body of the sliding cavity II 60, and a first expansion spring 57 is, be equipped with in the fixed case 73 downside wall body and rotate two 75 in the chamber, it has three 74 motors to rotate two 75 front side wall internal settings in chamber, it rotates install in to have set firmly on the three 74 power output shaft of motor rotate the rotation case 76 in the two 75 chambers of rotation, it is equipped with the structure in the 76 downside wall body of rotation case with two 77 electrographs that electrographs are the same 61, electrograph 61 with the circuit of the circuit board after the two 77 cooperations of electrograph can be to the machine location carries out the inspection of circular telegram point, 19 left side wall bodies of working chamber have set firmly two 23 screw thread pivot, be equipped with in two 23 left sides of screw thread pivot and be used for the drive adjusting device 904 is controlled about the turning block 64 carries out, the micro-controller 29 left and right sides is equipped with the symmetry and can drives the elevating gear 905 that detects maintenance case 63 and turning block.

In addition, in one embodiment, the fixing device 902 includes a first sliding slot 30 disposed in the upper side wall of the sliding box 80, a first gear cavity 26 disposed in the lower side wall of the first sliding slot 30 and bilaterally symmetric with respect to the middle position of the first sliding slot 30 is disposed in the front side wall of the first gear cavity 26, a fourth motor 28 is disposed in the front side wall of the first gear cavity 26, a first gear 27 is disposed on the power output shaft of the fourth motor 28, a sliding push rod 31 is slidably disposed in the first sliding slot 30, a rack in the lower side wall of the sliding push rod 31 is engaged with the first gear 27, a sliding block 32 is disposed near the micro-controller 29, a clamping block 33 is disposed near the micro-controller 29, the clamping block 33 can clamp and protect the fixed circuit board, and the motor four 28 can drive the sliding push rod 31 to perform left-right sliding adjustment, thereby, the slide adjustment of the circuit board from side to side can be realized.

In addition, in an embodiment, the detection and maintenance device 903 further includes a third sliding cavity 68 arranged in the lower side wall body of the rotating block 64, a soldering tin guide rod 81 is arranged in the third sliding cavity 68 in a sliding manner, a fourth sliding cavity 71 is arranged in the lower side wall body of the soldering tin guide rod 81, a tin bar 72 is arranged in the lower side wall body of the fourth sliding cavity 71 in a sliding manner, an auxiliary block 70 capable of fixing the tin bar is arranged in the fourth sliding cavity 71 in a sliding manner, an electromagnet group 69 capable of driving the tin bar 72 to slide up and down is arranged on the upper side of the auxiliary block 70, and a fuse 78 capable of heating and melting the tin bar 72 is arranged in the lower side wall body of the rotating box 76 behind the second electric pen.

In addition, in one embodiment, the adjusting device 904 includes a gear cavity two 14 disposed in the machine body 10 on the left side of the working cavity 19, a gear cavity three 34 is disposed in the machine body 10 on the upper side of the gear cavity two 14, a sliding cavity five 37 is disposed in the upper side wall body of the gear cavity three 34, an electromagnet three 36 is fixedly disposed in the left side wall body of the sliding cavity five 37, a sliding block one 40 is slidably disposed in the sliding cavity five 37, an electromagnet four 38 is fixedly disposed in the left side wall body of the sliding block one 40, a motor five 39 is fixedly disposed in the lower side wall body of the electromagnet four 38, a telescopic spring two 41 capable of stretching and retracting is disposed between the sliding block one 40 and the right side wall body of the sliding cavity five 37, the telescopic spring two 41 is in a natural state, a gear two 42 is fixedly disposed on a power output shaft of the motor five 39, a rotating shaft one 11 is rotatably disposed between the, a third gear 35 meshed with the second gear 42 is fixedly arranged on the first rotating shaft 11 in the third gear cavity 34, a second sliding groove 22 is formed in the lower side wall body of the fixed guide rail 20, a second threaded rotating shaft 23 is rotatably arranged between the second sliding groove 22 and the second gear cavity 14, a first bevel gear 12 is fixedly arranged on the first rotating shaft 11 in the second gear cavity 14, a second bevel gear 13 meshed with the first bevel gear 12 is fixedly arranged on the second threaded rotating shaft 23 in the second gear cavity 14, and the detection maintenance box 63 in threaded meshed connection with the second threaded rotating shaft 23 is arranged in the second sliding groove 22 in a sliding mode.

In addition, in one embodiment, the lifting device 905 includes six sliding cavities 50 symmetrically disposed in the upper side wall body of the working cavity 19 on the left and right sides of the micro-controller 29, two sliding blocks 51 are slidably disposed in the six sliding cavities 50, a gear cavity four 55 is disposed on the side of the six sliding cavities 50 away from the micro-controller 29, a pulley cavity one 46 is disposed on the rear side of the gear cavity four 55, a pulley one 45 is rotatably disposed between the pulley cavity one 46 and the gear cavity four 55, a gear four 54 is fixedly disposed on the pulley one 45 in the gear cavity four 55 on the right side of the micro-controller 29, a gear five 48 is fixedly disposed on the pulley one 45 in the gear cavity four 55 on the left side of the micro-controller 29, a bevel gear three 49 is fixedly disposed on the pulley one 45 on the front side of the gear five 48, a pulley two 47 is fixedly disposed on the pulley one 45 in the pulley cavity one 46, a splayed winding belt 52 is rotatably arranged between the two belt wheels 47 on the left side and the right side of the micro-controller 29, a second belt wheel cavity 15 is arranged in the machine body 10 on the upper side of the third gear cavity 34, a second rotating shaft 44 is rotatably arranged between the second belt wheel cavity 15 and the third gear cavity 34, a sixth gear 43 is fixedly arranged on the second rotating shaft 44 in the third gear cavity 34, a first belt wheel 45 is fixedly arranged on the second rotating shaft 44 in the second belt wheel cavity 15, a third rotating shaft 18 is rotatably arranged between the second belt wheel cavity 15 and the fourth gear cavity 55 on the left side of the micro-controller 29, a third belt wheel 17 is fixedly arranged on the third rotating shaft 18 in the second belt wheel cavity 15, a synchronous belt 16 is arranged between the first belt wheel 45 and the third belt wheel 17, and a fourth bevel gear 21 meshed with the third bevel gear 49 is fixedly arranged on the third rotating shaft 18 in the fourth gear cavity 55.

In the initial state, the second expansion spring 41, the first expansion spring 57 and the third expansion spring 66 are in a natural state.

When the fault position is located, the motor four 28 positioned on the left side and the right side of the micro controller 29 is started to rotate reversely, so that the gear one 27, the sliding push rod 31, the sliding block 32 and the clamping block 33 are driven to clamp and fix the circuit board, then the fault position is detected according to a detector on the lower side of the micro controller 29, so that the fault position is moved to a proper position on the right lower side of the micro controller 29 by controlling the motor four 28 to rotate forwards and backwards, then the motor one 79 is started, the motor one 79 is started to drive the threaded rotating shaft one 25 to rotate, the threaded rotating shaft one 25 rotates to drive the sliding box 80 to move forwards and backwards, and therefore the fault position of the circuit board is moved to a proper position on the lower side of the micro controller 29.

When a fault circuit after the positioning of a machine is detected, firstly, a motor five 39 is started, the motor five 39 is started to drive a gear two 42 to rotate, the gear two 42 rotates to drive a gear three 35 to rotate, the gear three 35 rotates to drive a rotating shaft one 11 to rotate, the rotating shaft one 11 rotates to drive a bevel gear one 12 to rotate, the bevel gear one 12 rotates to drive a bevel gear two 13 to rotate, the bevel gear two 13 rotates to drive a threaded rotating shaft two 23 to rotate, so that the detection maintenance box 63 is driven to adjust the position of the electroprobe one 61 arranged at the lower side of the detection maintenance box 63 leftwards and rightwards, the motor two 58 and the motor three 74 are started simultaneously, the motor two 58 and the motor three 74 start to drive the electroprobe one 61 and the electroprobe two 77 to adjust the angle, so that the electroprobe one 61 and the electroprobe two 77 can adjust the position and the angle according to the circuit; at the moment, the electromagnet five 65 and the electromagnet six 67 are electrified, so that the solder guide rod 81 and the fuse 78 move upwards and stretch, and the stretching principle of the fuse 78 and the solder guide rod 81 is the same; then the third electromagnet 36 and the fourth electromagnet 38 are electrified to drive the first slide block 40 to slide towards the right side to be meshed with the sixth gear 43, the fifth motor 39 is started to drive the second gear 42 to rotate, the second gear 42 rotates to drive the sixth gear 43 to rotate, the sixth gear 43 rotates to drive the second rotating shaft 44 to rotate, the second rotating shaft 44 rotates to drive the first belt wheel 45 to rotate, the first belt wheel 45 rotates to drive the synchronous belt 16 to rotate, the synchronous belt 16 rotates to drive the third belt wheel 17 to rotate, the third belt wheel 17 rotates to drive the third rotating shaft 18 to rotate, the third rotating shaft 18 rotates to drive the fourth bevel gear 21 to rotate, the fourth bevel gear 21 rotates to drive the third bevel gear 49 to rotate, the first belt wheel 45, the fifth gear 48, the splayed winding belt 52 and the fourth gear 54 which rotate by the third bevel gear 49 rotate so as to drive the fifth gear 48 and the fourth gear 54 to reversely rotate, so, therefore, on-off detection of the circuit is carried out through the first test pencil 61 and the second test pencil 77 with the well-adjusted positions; when the circuit on-off detection is completed, the electromagnet II 56 and the electromagnet I59 can be electrified, so that the electroprobe I61 and the electroprobe II 77 shrink upwards, then the part with the detected short circuit moves to the proper position of the lower side of the micro-controller 29 through the positioning device 901, then the detection maintenance box 63 and the fixing box 73 are driven to move and adjust, the fuse 78 is started to be in contact with the tin bar 72 arranged in the tin soldering guide rod 81 for melting, then the tin soldering guide rod 81 is driven to perform spot welding maintenance on the short circuit part, so that the circuit is communicated and maintained, the accurate positioning and detection maintenance of the circuit board fault circuit are realized, and the maintenance efficiency and the maintenance quality of the mobile phone circuit board are greatly improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and scope of the present invention are intended to be included therein.

Claims

1. The utility model provides a can carry out maintenance device that location detected to the trouble of circuit board, includes the fuselage, its characterized in that: a working cavity which is communicated from front to back is arranged in the wall body at the right side of the machine body, a positioning device for fault positioning is arranged at the lower side of the working cavity, the positioning device comprises a first sliding cavity which is arranged in the lower side wall body of the working cavity, a sliding box is arranged in the first sliding cavity in a sliding manner, two motors which are symmetrical from left to right are fixedly arranged in the rear side wall body of the first sliding cavity, a first threaded rotating shaft is fixedly arranged on a power output shaft of the motor, the first threaded rotating shaft is in threaded engagement with the sliding box and is used for controlling the sliding box to move back and forth, a fixing device for fixing a circuit board is arranged in the upper side wall body of the sliding box, a micro-controller which is communicated with the working cavity and is used for detecting and amplifying the circuit board is arranged in the upper side wall body of the machine body, and a detecting and, the detection device comprises a detection and maintenance box which is arranged in the working cavity and can move left and right and a rotating block on the right, a rotating cavity I is arranged in the lower side wall body of the detection and maintenance box, a motor II is fixedly arranged in the front side wall body of the rotating cavity I, a rotating block which is rotatably arranged in the rotating cavity I is fixedly arranged on a power output shaft of the motor II, a sliding cavity II is arranged in the lower side wall body of the rotating block, a first electric pen for detecting the power-on and power-off of an electric circuit is arranged in the sliding cavity II in a sliding mode, an electromagnet I is fixedly arranged on the upper side wall body of the first electric pen, an electromagnet II is fixedly arranged on the upper side wall body of the sliding cavity II, a telescopic spring I is arranged between the upper side wall body of the sliding cavity II and the upper side wall body of the first electric pen, a rotating cavity II is arranged in the lower side wall body of the fixed box, rotate the incasement lateral wall and be equipped with the structure with electrography two the same, electrography one with the circuit of the circuit board after the machine location can be carried out the inspection of circular telegram point to the cooperation of electrography two, screw thread pivot two has set firmly on the wall body of working chamber left side, be equipped with in the two left sides of screw thread pivot and be used for the drive adjusting device is controlled to the turning block about going on, the microcontrol ware left and right sides is equipped with the symmetry and can drives detection maintenance case and turning block carry out the elevating gear who reciprocates.

2. The maintenance device capable of performing positioning detection on the fault of the circuit board according to claim 1, wherein: fixing device including set up in the internal spout of lateral wall is one on the slip case, spout lateral wall is internal to be equipped with about the gear chamber of a spout intermediate position bilateral symmetry is one, gear chamber is internal to have set firmly motor four before, gear one has set firmly on the four power output shafts of motor, it is equipped with the slip push rod to slide in the spout one, the internal rack of lateral wall under the slip push rod with a gear meshing is connected, the slip push rod is close to in micro-controller one side has set firmly the sliding block, the sliding block is close to in micro-controller one side has set firmly the grip block, the grip block can carry out the centre gripping protection to fixed circuit board, just the motor four starts and can drive the slip push rod carries out the horizontal slip regulation to can realize the horizontal slip regulation of circuit board.

3. The maintenance device capable of performing positioning detection on the fault of the circuit board according to claim 1, wherein: the detection and maintenance device further comprises a sliding cavity III arranged in the side wall body of the rotating block, a soldering tin guide rod is arranged in the sliding cavity III in a sliding mode, a sliding cavity IV is arranged in the side wall body of the soldering tin guide rod, a tin bar is arranged in the side wall body of the sliding cavity IV in a sliding mode, an auxiliary block capable of fixing the soldering tin bar is arranged in the sliding cavity IV in a sliding mode, the upper side of the auxiliary block is provided with an electromagnet group capable of driving the tin bar to slide up and down, and two rear sides of the electric pen are arranged in the side wall body of the rotating box in a sliding mode and can be right the tin bar.

4. The maintenance device capable of performing positioning detection on the fault of the circuit board according to claim 1, wherein: the adjusting device comprises a gear cavity II arranged in the machine body on the left side of the working cavity, a gear cavity III is arranged in the machine body on the upper side of the gear cavity II, a sliding cavity V is arranged in the wall body on the upper side of the gear cavity III, an electromagnet III is fixedly arranged in the wall body on the left side of the sliding cavity V, a slide block I is slidably arranged in the sliding cavity V, an electromagnet IV is fixedly arranged in the wall body on the left side of the slide block I, a motor V is fixedly arranged in the wall body on the lower side of the electromagnet IV, a telescopic spring II capable of stretching is arranged between the slide block I and the wall body on the right side of the sliding cavity V, the telescopic spring II is in a natural state, a gear II is fixedly arranged on a power output shaft of the motor V, a rotating shaft I is rotatably arranged between the gear cavity III and the gear cavity II, a gear III meshed with the gear II is fixedly arranged on the, the second sliding groove and the second gear cavity are rotatably provided with a second threaded rotating shaft, a first bevel gear is fixedly arranged on the first rotating shaft in the second gear cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged on the second threaded rotating shaft in the second gear cavity, and the second sliding groove is provided with a detection maintenance box in threaded meshing connection with the second threaded rotating shaft.

5. The maintenance device capable of performing positioning detection on the fault of the circuit board according to claim 1, wherein: the lifting device comprises six sliding cavities symmetrically arranged in the upper side wall body of the working cavity on the left side and the right side of the micro-controller, two sliding blocks are arranged in the six sliding cavities in a sliding mode, a gear cavity IV is arranged on one side, far away from the micro-controller, of the six sliding cavities, a belt wheel cavity I is arranged on the rear side of the gear cavity IV, a belt wheel I is rotatably arranged between the belt wheel cavity I and the gear cavity IV, a gear IV is fixedly arranged on the belt wheel I in the gear cavity IV on the right side of the micro-controller, a gear V is fixedly arranged on the belt wheel I in the gear cavity IV on the left side of the micro-controller, a bevel gear III is fixedly arranged on the belt wheel I on the front side of the gear V, a belt wheel II is fixedly arranged on the belt wheel I in the belt wheel cavity I, a splayed winding belt is rotatably arranged between the belt wheel II on the left side and the right side of the micro-controller, and a belt wheel, the belt wheel cavity II and the gear cavity III are rotatably provided with a rotating shaft II, a gear six is fixedly arranged on the rotating shaft II in the gear cavity III, a belt wheel I is fixedly arranged on the rotating shaft II in the belt wheel cavity II, the belt wheel cavity II and the gear cavity IV which is positioned on the left side of the micro-controller are rotatably provided with a rotating shaft III, a belt wheel III is fixedly arranged on the rotating shaft III in the belt wheel cavity II, a synchronous belt is arranged between the belt wheel I and the belt wheel III, and a bevel gear IV which is meshed with the bevel gear III and connected with the rotating shaft III is fixedly arranged on the rotating shaft III in the gear cavity IV.