CN213780226U

CN213780226U - Computer mainboard processing is with circular telegram contact pin check out test set that has correction structure

Info

Publication number: CN213780226U
Application number: CN202022266471.0U
Authority: CN
Inventors: 张绍辉; 郭世杰; 陈咏诗
Original assignee: Liaoning Huipuer Industrial Co ltd
Current assignee: Liaoning Huipuer Industrial Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-23
Anticipated expiration: 2030-10-13

Abstract

The invention discloses a power-on pin detection device with a correction structure for processing a computer mainboard, which relates to the technical field of power-on pin detection of the computer mainboard and comprises a machine body, a positioning mechanism and a correction mechanism, wherein a machine cabinet is arranged at the bottom of the machine body, a workbench is fixed above the machine cabinet, a rack is arranged above the workbench, a top plate is fixed above the rack, a display screen is arranged on the upper side in front of the middle of the machine body, a first opening and closing door is arranged on the lower side in front of the middle of the machine body, second opening and closing doors are respectively arranged on two sides in front of the middle of the machine body, a movable seat is arranged above the middle of the workbench, supporting rods are respectively fixed on two sides above the movable seat, and bearing plates are arranged above the supporting rods. The device is convenient for drive first push pedal and correction mechanism's elevating movement through first electric putter to the circular telegram contact pin of crooked is corrected through correction half of correction mechanism.

Description

Computer mainboard processing is with circular telegram contact pin check out test set that has correction structure

Technical Field

The invention relates to the technical field of detection of a power-on pin of a computer mainboard, in particular to power-on pin detection equipment with a correction structure for processing the computer mainboard.

Background

The computer mainboard is installed in the case, is one of the most basic and important components of the microcomputer, is a place for bearing most of the components of the computer, is generally a rectangular circuit board, is provided with a main circuit system forming the computer, and generally comprises elements such as a BIOS chip, an I/O control chip, a keyboard and a panel control switch interface, an indicator lamp plug-in connector, an expansion slot, a mainboard and a direct current power supply plug-in connector of a plug-in card, and the like, wherein the power-on contact pin is a part on the computer mainboard, and needs to be detected in the processing process of the computer mainboard.

The conventional electrified pin detection equipment for machining the computer mainboard cannot detect the straightness of a bent pin and correct the bent pin generally in the process of carrying out electrified detection on the electrified pin, and is not enough in use functionality, so that the electrified pin detection equipment with the correction structure for machining the computer mainboard is provided.

Disclosure of Invention

The invention aims to provide electrified pin detection equipment with a correction structure for computer mainboard processing, which solves the problems that the electrified pin detection equipment for computer mainboard processing, which is proposed in the background art, cannot detect the straightness of a pin and cannot correct a bent pin in the process of carrying out electrified detection on the electrified pin, and the use functionality is insufficient.

In order to achieve the purpose, the invention provides the following technical scheme: an electrified contact pin detection device with a correction structure for machining a computer mainboard comprises a machine body, a positioning mechanism and a correction mechanism, wherein a machine cabinet is arranged at the bottom of the machine body, a workbench is fixed above the machine cabinet, a machine frame is installed above the workbench, a top plate is fixed above the machine frame, a display screen is installed on the upper side of the front middle part of the machine body, a first opening and closing door is installed on the lower side of the front middle part of the machine body, second opening and closing doors are installed on two sides of the front middle part of the machine body, a movable seat is installed above the middle part of the workbench, supporting rods are fixed on two sides of the upper part of the movable seat, bearing plates are installed above the supporting rods, the positioning mechanism is installed on two sides of the upper part of each bearing plate, a computer mainboard main body is arranged in the middle of the upper part of each bearing plate, and electrified contact pins are fixed on two sides of the front part of the computer mainboard main body, the utility model discloses a hydraulic pressure regulating device, including workstation, motor mount pad, roof, fixed connecting rod, ultrasonic sensor, installation frame, and the inside of mount pad, the inboard motor mount pad that has inlayed of middle part of workstation, and the inside of motor mount pad is fixed with the motor guided way, install linear electric motor in the middle of the inside of motor mount pad, and linear electric motor's upside is fixed mutually with the downside of sliding seat, fixed connecting rod is installed to the middle part below of roof, and the bottom of fixed connecting rod is fixed with the group fishplate bar, ultrasonic sensor is installed to the below of group fishplate bar, be fixed with the installing frame between the fixed connecting rod, and the inside of installing frame is provided with the heat dissipation fan, the fixed plate is installed to the left side below of roof, and the below of fixed plate installs first electric putter, first electric.

Preferably, be parallel column structure between loading board and the sliding seat, and the sliding seat passes through linear electric motor and constitutes lateral shifting structure between motor mount pad and the workstation.

Preferably, positioning mechanism is including curb plate, spring, locating plate, rubber layer and negative sucker, the top both sides of loading board all are fixed with the curb plate, and the inboard of curb plate installs the spring, the inboard of spring is fixed with the locating plate, and the inboard of locating plate splices there is the rubber layer, the inboard embedded negative sucker that has in the middle part of loading board.

Preferably, the locating plate passes through and constitutes elastic construction between spring and the curb plate, and the spring equidistance distributes in the inboard of curb plate to the locating plate is provided with two sets ofly, and is symmetrical about the central line of loading board between the locating plate moreover.

Preferably, the negative pressure suction cups are provided with three groups, each group of the negative pressure suction cups is provided with six negative pressure suction cups, and the negative pressure suction cups are symmetrically and uniformly distributed with respect to the central line of the bearing plate.

Preferably, the correction mechanism is including mounting panel, locking bolt, link, connecting plate, correction semi-ring, wearing layer and link up the piece, the both sides of mounting panel are provided with locking bolt, and the mounting panel passes through locking bolt and fixes mutually with first push pedal, the below of mounting panel is fixed with the link, and the below both sides of link all are fixed with the connecting plate, the below inboard of connecting plate is provided with the correction semi-ring, and corrects the inner wall of semi-ring and be fixed with the wearing layer, the welding has the piece of linking up between the correction semi-ring.

Preferably, the correction semi-rings form an integrated structure through the connecting blocks, the correction semi-rings are arranged at equal intervals, the sizes of the correction semi-rings are matched with those of the power-on contact pins, and the correction semi-rings are symmetrically arranged in two groups relative to the transverse center line of the power-on contact pins.

Preferably, the battery storehouse is installed to the right side below of roof, and the below in battery storehouse installs second electric putter, the below of second electric putter is fixed with the second push pedal, and the below of second push pedal is fixed with connects the electric slot.

Preferably, the second push plate and the power connection slot form a lifting structure through a second electric push rod, and the power connection slot is matched with the power-on contact pin in size.

The invention provides a power-on pin detection device with a correction structure for computer mainboard processing, which has the following beneficial effects:

1. the bearing plate is convenient for stably supporting the computer main board body above the bearing plate, the linear motor moves in the motor mounting seat to drive the movable seat above the linear motor to transversely move, so that the computer main board body is driven to move and feed, the display ultrasonic sensor part is convenient to open through the first opening and closing door so as to be maintained, and the display correcting mechanism and the power connection slot part are convenient to open respectively through the second opening and closing doors on two sides so as to be maintained.

2. According to the invention, two groups of symmetrical positioning plates can elastically clamp and fix two sides of the computer mainboard main body through the elastic action of the springs, the springs distributed at equal intervals enable the positioning plates at two sides to be uniformly stressed, and the three groups of negative pressure suckers which are symmetrically and uniformly distributed on the inner side of the middle part of the bearing plate are convenient to adsorb and fix the computer mainboard main body at the middle part above the bearing plate, so that the positioning of the computer mainboard main body is realized.

3. The correction mechanism comprises a plurality of groups of semi-annular correction semi-rings, wherein the correction semi-rings are fixedly connected through a connecting block and are distributed at equal intervals, so that the two groups of symmetrically arranged correction semi-rings are conveniently arranged on two outer sides of the electrified contact pin, and the first push plate and the correction mechanism are conveniently driven to move up and down through the first electric push rod, so that the bent electrified contact pin is corrected through the correction semi-rings of the correction mechanism.

4. The second electric push rod is convenient to drive the second electric push rod and the power connection slot to move up and down, so that the power connection slot can be connected with the power connection contact pin, the power connection slot is electrically connected with the storage battery bin through a conducting wire, the power connection slot is matched with the power connection contact pin in size, the power connection slot is electrically connected with the power connection contact pin, and the power connection condition of the power connection contact pin is convenient to detect.

5. According to the invention, the straightness of the bending of the electrified contact pin is convenient to detect through the ultrasonic sensor, the ultrasonic sensor is internally provided with the ultrasonic transmitting and receiving parts, and the ultrasonic waves can generate obvious reflection to form a reflected echo after contacting the electrified contact pin, so that the shape of the electrified contact pin can be detected through the ultrasonic sensor, the detection result of the ultrasonic sensor can be conveniently imaged and displayed through the display screen, the symmetry center of the heat dissipation fan is superposed with the symmetry center of the display screen, and the heat dissipation of the display screen is facilitated through the heat dissipation fan.

Drawings

FIG. 1 is a front view of the external structure of the present invention;

FIG. 2 is a schematic front view of the internal structure of the present invention;

FIG. 3 is a schematic top view of the carrier plate according to the present invention;

FIG. 4 is a schematic top view of the worktable according to the present invention;

FIG. 5 is an enlarged view of the orthosis of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;

FIG. 7 is a schematic top view of the computer motherboard body of the present invention;

fig. 8 is a schematic view of a combination structure of the power-on pin and the aligning mechanism of the present invention.

In the figure: 1. a body; 2. a cabinet; 3. a work table; 4. a frame; 5. a top plate; 6. a display screen; 7. a first opening and closing door; 8. a second opening and closing door; 9. a movable seat; 10. a support bar; 11. a carrier plate; 12. a positioning mechanism; 1201. a side plate; 1202. a spring; 1203. positioning a plate; 1204. a rubber layer; 1205. a negative pressure sucker; 13. a computer motherboard main body; 14. electrifying the pin; 15. a motor mounting seat; 16. a motor guide rail; 17. a linear motor; 18. fixing the connecting rod; 19. installing a frame; 20. a heat dissipation fan; 21. assembling and connecting plates; 22. an ultrasonic sensor; 23. a fixing plate; 24. a first electric push rod; 25. a first push plate; 26. a correction mechanism; 2601. mounting a plate; 2602. locking the bolt; 2603. a connecting frame; 2604. a connecting plate; 2605. straightening the semi-ring; 2606. a wear layer; 2607. a joining block; 27. a storage battery compartment; 28. a second electric push rod; 29. a second push plate; 30. and a power connection slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.

Referring to fig. 1-8, the present invention provides a technical solution: an electrified pin detection device with a correction structure for computer mainboard processing comprises a machine body 1, a machine cabinet 2, a workbench 3, a machine frame 4, a top plate 5, a display screen 6, a first opening and closing door 7, a second opening and closing door 8, a movable seat 9, a support rod 10, a bearing plate 11, a positioning mechanism 12, a side plate 1201, a spring 1202, a positioning plate 1203, a rubber layer 1204, a negative pressure suction cup 1205, a computer mainboard main body 13, an electrified pin 14, a motor mounting seat 15, a motor guide rail 16, a linear motor 17, a fixed connecting rod 18, a mounting frame 19, a heat dissipation fan 20, a combining plate 21, an ultrasonic sensor 22, a fixing plate 23, a first electric push rod 24, a first push plate 25, a correction mechanism 26, a mounting plate 2601, a locking bolt 2602, a connecting frame 2603, a connecting plate 2604, a correction half ring 2605, a wear-resistant layer 2606, a linking block 2607, a storage battery bin 27, a second electric push rod 28, a second push plate 29 and an electric connection slot 30, the bottom of the machine body 1 is provided with a machine cabinet 2, a workbench 3 is fixed above the machine cabinet 2, a machine frame 4 is arranged above the workbench 3, a top plate 5 is fixed above the machine frame 4, a display screen 6 is arranged on the upper side of the front of the middle part of the machine body 1, a first opening and closing door 7 is arranged on the lower side of the front of the middle part of the machine body 1, second opening and closing doors 8 are arranged on the two sides of the front of the middle part of the machine body 1, a movable seat 9 is arranged above the middle part of the workbench 3, supporting rods 10 are fixed on the two sides of the upper part of the movable seat 9, a bearing plate 11 is arranged above the supporting rods 10, a parallel structure is arranged between the bearing plate 11 and the movable seat 9, the movable seat 9 forms a transverse moving structure with the workbench 3 through a linear motor 17 and a motor mounting seat 15, the bearing plate 11 is convenient for stably supporting a computer mainboard 13 above the bearing plate, and the linear motor mounting seat 15 is convenient for driving the transverse movement of the movable seat 9 above the linear motor 17 through the movement of the linear motor 17, thereby facilitating the moving feeding of the computer main board main body 13.

The positioning mechanisms 12 are installed on two sides above the bearing plate 11, the positioning mechanisms 12 include side plates 1201, springs 1202, positioning plates 1203, rubber layers 1204 and negative pressure suction cups 1205, the side plates 1201 are fixed on two sides above the bearing plate 11, the springs 1202 are installed on the inner sides of the side plates 1201, the positioning plates 1203 are fixed on the inner sides of the springs 1202, the rubber layers 1204 are glued on the inner sides of the positioning plates 1203, the negative pressure suction cups 1205 are embedded in the inner sides of the middle of the bearing plate 11, the positioning plates 1203 form an elastic structure through the springs 1202 and the side plates 1201, the springs 1202 are equidistantly distributed on the inner sides of the side plates 1201, the two positioning plates 1203 are arranged in two groups, the positioning plates 1203 are symmetrical about the center line of the bearing plate 11, the two symmetrical positioning plates 1203 can elastically clamp and fix two sides of the computer main board body 13 through the elastic action of the springs 1202, the springs 1202 equidistantly distributed make the positioning plates 1203 uniformly stressed, the negative pressure suction cups 1205 are provided with three groups, each group of the negative pressure suction cups 1205 is provided with six, the negative pressure suction cups 1205 are symmetrically and uniformly distributed about the central line of the bearing plate 11, the three groups of lines on the inner side of the middle of the bearing plate 11 are symmetrically and uniformly distributed, and the negative pressure suction cups 1205 are convenient for adsorbing and fixing the computer mainboard main body 13 on the middle of the upper part of the bearing plate 11, so that the computer mainboard main body 13 is positioned.

A computer main board body 13 is arranged in the middle of the upper part of the bearing plate 11, energizing pins 14 are fixed on two sides of the front part of the computer main board body 13, a motor mounting seat 15 is embedded in the inner side of the middle part of the workbench 3, a motor guide rail 16 is fixed in the motor mounting seat 15, a linear motor 17 is installed in the middle of the motor mounting seat 15, the upper side of the linear motor 17 is fixed with the lower side of the movable seat 9, a fixed connecting rod 18 is installed below the middle part of the top plate 5, an assembling plate 21 is fixed at the bottom of the fixed connecting rod 18, an ultrasonic sensor 22 is installed below the assembling plate 21, a mounting frame 19 is fixed between the fixed connecting rods 18, a heat dissipation fan 20 is arranged in the mounting frame 19, a fixed plate 23 is installed below the left side of the top plate 5, a first electric push rod 24 is installed below the fixed plate 23, a first push plate 25 is fixed below the first electric push rod 24, the corrective mechanism 26 is mounted below the first push plate 25.

The correcting mechanism 26 comprises a mounting plate 2601, locking bolts 2602, a connecting frame 2603, a connecting plate 2604, correcting semi-rings 2605, a wear-resistant layer 2606 and connecting blocks 2607, wherein the locking bolts 2602 are arranged on two sides of the mounting plate 2601, the mounting plate 2601 is fixed with a first push plate 25 through the locking bolts 2602, the connecting frame 2603 is fixed below the mounting plate 2601, the connecting plates 2604 are fixed on two sides of the lower part of the connecting frame 2603, the correcting semi-rings 2605 are arranged on the inner side of the lower part of the connecting plate 2604, the wear-resistant layer 2606 is fixed on the inner wall of the correcting semi-rings 2605, the connecting blocks 2607 are welded between the correcting semi-rings 2605, the correcting semi-rings 2605 form an integrated structure by the connecting blocks 2607 at equal intervals, the size of the correcting semi-rings 2605 is identical to that of the energized pins 14, the correcting semi-rings 2605 are symmetrically arranged in two groups about the transverse central line of the energized pins 26014, the groups of semi-annular correcting semi-annular rings 2605 are fixed and connected by the connecting blocks 2607 and are distributed at equal intervals, two symmetrically arranged straightening half rings 2605 are conveniently arranged on two outer sides of the electrified insertion pin 14, and the first push plate 25 and the straightening mechanism 26 are conveniently driven to move up and down through the first electric push rod 24, so that the bent electrified insertion pin 14 is straightened through the straightening half rings 2605 of the straightening mechanism 26.

The storage battery bin 27 is installed below the right side of the top plate 5, the second electric push rod 28 is installed below the storage battery bin 27, the second push plate 29 is fixed below the second electric push rod 28, the power connection slot 30 is fixed below the second push plate 29, the second push plate 29 and the power connection slot 30 form a lifting structure through the second electric push rod 28, the power connection slot 30 is matched with the power connection pin 14 in size, the second electric push rod 28 is convenient to drive the lifting motion through the second electric push rod 28 and the power connection slot 30, the power connection slot 30 can be connected with the power connection pin 14, the power connection slot 30 is electrically connected with the storage battery bin 27 through a conducting wire, the power connection slot 30 is matched with the power connection pin 14 in size, and therefore the power connection condition of the power connection pin 14 can be detected conveniently.

In summary, the electrified pin detection device with the correction structure for processing the computer motherboard is used, when in use, firstly, the computer motherboard main body 13 to be detected can be placed at the upper middle part of the bearing plate 11, so that the negative pressure suction cup 1205 can adsorb and fix the computer motherboard main body 13 at the upper middle part of the bearing plate 11, meanwhile, two sets of symmetrical positioning plates 1203 can elastically clamp and fix two sides of the computer motherboard main body 13 through the elastic action of the spring 1202, then, the ultrasonic sensor 22 (model 3101 SR 04) can be used for detecting the straightness of the electrified pin 14, the ultrasonic sensor 22 is internally provided with ultrasonic emitting and ultrasonic receiving parts, ultrasonic waves can generate significant reflection to form reflection echo after contacting the electrified pin 14, therefore, the shape of the electrified pin 14 can be detected through the ultrasonic sensor 22, and imaging display is performed through the display screen 6, the display screen 6 can also be cooled by the cooling fan 20 during use.

Then when the bending phenomenon of the electrified insertion pin 14 is detected, the linear motor 17 can move in the motor mounting seat 15 to drive the movable seat 9 above the linear motor 17 to move transversely, so as to drive the computer main board body 13 to move and feed, the movable seat 9 is sent to the position below the correcting mechanism 26, then the first push plate 25 and the correcting mechanism 26 can be driven to descend by the first electric push rod 24, the two symmetrically arranged semi-ring-shaped correcting semi-rings 2605 are arranged on the two outer sides of the electrified insertion pin 14, and the electrified insertion pin 14 is straightened by repeatedly ascending and descending, so that the bent electrified insertion pin 14 can be corrected by the correcting semi-rings 2605 of the correcting mechanism 26.

Then the linear motor 17 drives the movable seat 9 to move to the lower part of the ultrasonic sensor 22 again for secondary detection, if unqualified detection is detected, the movable seat is sent back to the lower part of the correction mechanism 26 again for correction, if no bending phenomenon is detected, the movable seat is sent to the lower part of the power connection slot 30, then the second electric push rod 28 drives the second electric push rod 28 and the power connection slot 30 to descend, so that the power connection slot 30 can be connected with the power connection pin 14, wherein the power connection slot 30 is electrically connected with the storage battery bin 27 through a lead, the sizes of the power connection slot 30 and the power connection pin 14 are matched, so that the electrical connection of the power connection slot 30 and the power connection pin 14 is convenient to realize, the power connection condition of the power connection pin 14 is convenient to detect, and the use process of the power connection pin detection equipment with the correction structure for processing the whole computer mainboard is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a computer mainboard processing is with circular telegram contact pin check out test set that has corrective structure, includes organism (1), positioning mechanism (12) and corrective mechanism (26), its characterized in that: the bottom of the machine body (1) is provided with a machine cabinet (2), a workbench (3) is fixed above the machine cabinet (2), a rack (4) is installed above the workbench (3), a top plate (5) is fixed above the rack (4), a display screen (6) is installed on the upper side of the front of the middle part of the machine body (1), a first opening and closing door (7) is installed on the lower side of the front of the middle part of the machine body (1), second opening and closing doors (8) are installed on the two sides of the front of the middle part of the machine body (1), a movable seat (9) is installed above the middle part of the workbench (3), supporting rods (10) are fixed on the two sides of the upper part of the movable seat (9), a bearing plate (11) is installed above the supporting rods (10), positioning mechanisms (12) are installed on the two sides of the upper part of the bearing plate (11), a computer main board body (13) is arranged in the middle of the upper part of the bearing plate (11), and the both sides of the place ahead of computer mainboard main part (13) are fixed with circular telegram contact pin (14), the middle part inboard of workstation (3) is embedded to have motor mount pad (15), and the inside of motor mount pad (15) is fixed with motor guided way (16), linear electric motor (17) are installed to the inside centre of motor mount pad (15), and the upside of linear electric motor (17) is fixed mutually with the downside of sliding seat (9), fixed connecting rod (18) are installed to the middle part below of roof (5), and the bottom of fixed connecting rod (18) is fixed with group fishplate bar (21), ultrasonic sensor (22) are installed to the below of group fishplate bar (21), be fixed with between fixed connecting rod (18) installing frame (19), and the inside of installing frame (19) is provided with heat dissipation fan (20), fixed plate (23) are installed to the left side below of roof (5), and a first electric push rod (24) is arranged below the fixing plate (23), a first push plate (25) is fixed below the first electric push rod (24), and the correcting mechanism (26) is arranged below the first push plate (25).

2. The apparatus for detecting a power-on pin of a computer motherboard with a rectifying structure as claimed in claim 1, wherein: the bearing plate (11) and the movable seat (9) are in a parallel structure, and the movable seat (9) forms a transverse moving structure with the workbench (3) through the linear motor (17) and the motor mounting seat (15).

3. The apparatus for detecting a power-on pin of a computer motherboard with a rectifying structure as claimed in claim 1, wherein: positioning mechanism (12) are including curb plate (1201), spring (1202), locating plate (1203), rubber layer (1204) and negative sucker (1205), the top both sides of loading board (11) all are fixed with curb plate (1201), and the inboard of curb plate (1201) installs spring (1202), the inboard of spring (1202) is fixed with locating plate (1203), and the inboard cementing of locating plate (1203) has rubber layer (1204), the inboard of the middle part of loading board (11) is embedded to have negative sucker (1205).

4. The apparatus for detecting a power-on pin of a computer motherboard with a rectifying structure as claimed in claim 3, wherein: the positioning plates (1203) form an elastic structure through the springs (1202) and the side plates (1201), the springs (1202) are distributed on the inner sides of the side plates (1201) at equal intervals, two groups of positioning plates (1203) are arranged, and the positioning plates (1203) are symmetrical about the center line of the bearing plate (11).

5. The apparatus for detecting a power-on pin of a computer motherboard with a rectifying structure as claimed in claim 3, wherein: the vacuum chuck (1205) is provided with three groups, each group of the vacuum chucks (1205) is provided with six, and the vacuum chucks (1205) are symmetrically and uniformly distributed around the central line of the bearing plate (11).

6. The apparatus for detecting a power-on pin of a computer motherboard with a rectifying structure as claimed in claim 1, wherein: the correcting mechanism (26) comprises a mounting plate (2601), a locking bolt (2602), a connecting frame (2603), a connecting plate (2604), a correcting semi-ring (2605), a wear-resistant layer (2606) and a connecting block (2607), wherein the locking bolt (2602) is arranged on two sides of the mounting plate (2601), the mounting plate (2601) is fixed with a first push plate (25) through the locking bolt (2602), the connecting frame (2603) is fixed below the mounting plate (2601), the connecting plate (2604) is fixed on two sides below the connecting frame (2603), the correcting semi-ring (2605) is arranged on the inner side below the connecting plate (2604), the wear-resistant layer (2606) is fixed on the inner wall of the correcting semi-ring (2605), and the connecting block (2607) is welded between the correcting semi-rings (2605).

7. The apparatus for detecting a power-on pin of a computer motherboard with a rectifying structure as claimed in claim 6, wherein: the correcting half rings (2605) are integrated through the connecting blocks (2607), the correcting half rings (2605) are arranged at equal intervals, the size of the correcting half rings (2605) is matched with that of the energized contact pins (14), and the correcting half rings (2605) are symmetrically arranged in two groups about the transverse center line of the energized contact pins (14).

8. The apparatus for detecting a power-on pin of a computer motherboard with a rectifying structure as claimed in claim 1, wherein: battery storehouse (27) are installed to the right side below of roof (5), and second electric putter (28) are installed to the below in battery storehouse (27), the below of second electric putter (28) is fixed with second push pedal (29), and the below of second push pedal (29) is fixed with connects electric slot (30).

9. The apparatus for detecting a power-on pin of a computer motherboard with a rectifying structure as claimed in claim 8, wherein: the second push plate (29) and the power connection slot (30) form a lifting structure through a second electric push rod (28), and the power connection slot (30) is matched with the power-on contact pin (14) in size.