CN115421025A

CN115421025A - Defeated material all-in-one of centre gripping with adjustable fly needle test machine detects

Info

Publication number: CN115421025A
Application number: CN202211100261.1A
Authority: CN
Inventors: 梁大伟; 李清友
Original assignee: Shenzhen East Space Light Technology Co ltd
Current assignee: Shenzhen East Space Light Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-02
Anticipated expiration: 2042-09-09
Also published as: CN115421025B

Abstract

The invention discloses an adjustable clamping and conveying integrated machine for detection of a flying probe tester, which comprises two material supplying and receiving mechanisms respectively arranged at two ends of a conveying mechanism, wherein a PCB (printed Circuit Board) clamping mechanism is arranged on the conveying mechanism, the conveying mechanism is provided with a conveying part, and a transition part and an unlocking part are sequentially formed at each end of the conveying part outwards along the conveying direction of the conveying part; when the PCB clamping mechanism is positioned at the unlocking part, the PCB clamping mechanism releases the clamping of the PCB, so that the receiving mechanism takes out the detected PCB and supplies the PCB to be detected to the PCB clamping mechanism; when the PCB clamping mechanism is positioned at the conveying part, the PCB clamping mechanism clamps and fastens the PCB. The PCB feeding device can adapt to the conveying of PCBs with different thicknesses, enables the PCBs to be continuously fed and discharged, further improves the detection efficiency, and can convey horizontal PCBs or vertical PCBs according to specific requirements. The method is suitable for the technical field of conveying of the PCB in the PCB flying probe test.

Description

Defeated material all-in-one of centre gripping with adjustable flying probe test machine detects

Technical Field

The invention belongs to the technical field of relevant equipment of a flying probe testing machine, and particularly relates to an adjustable clamping and conveying integrated machine for detection of the flying probe testing machine.

Background

In order to detect the PCB and improve the yield thereof, a frequently used test device is a flying probe tester, and a probe of the flying probe tester detects the on/off of a circuit of the PCB. At present, conveying equipment for feeding the flying probe tester is directly contacted with a PCB (printed circuit board), the PCB is conveyed to the flying probe tester for testing, and the PCB is conveyed out after the testing is finished. Moreover, the existing conveying equipment can only convey the PCB in a vertical state or a horizontal state, and free switching between the two states cannot be realized, so that the use limitation of the conveying equipment is large. And the conveying equipment generally only conveys the PCB with one thickness, and when the PCB with other thickness is conveyed, the conveying equipment with another model is needed. Simultaneously, the manipulator is all adopted in the last unloading of current PCB board on conveying equipment for it is lower to go up unloading efficiency like this, and then causes the condition that detection efficiency is low to take place.

Disclosure of Invention

The invention provides an adjustable clamping and conveying integrated machine for detection of a flying probe tester, which is used for adapting to conveying of PCBs with different thicknesses, enabling the PCBs to be continuously fed and discharged, further improving detection efficiency and meanwhile realizing conveying of horizontal PCBs or vertical PCBs according to specific requirements.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

an adjustable clamping and conveying integrated machine for detection of a flying needle tester comprises two material supply and receiving mechanisms which are respectively arranged at two ends of a conveying mechanism, wherein a PCB clamping mechanism is installed on the conveying mechanism, the conveying mechanism is provided with a conveying part, and a transition part and an unlocking part are sequentially formed at each end of the conveying part outwards along the conveying direction of the conveying part; when the PCB clamping mechanism is positioned at the unlocking part, the PCB clamping mechanism releases the clamping of the PCB, so that the receiving mechanism takes out the detected PCB and supplies the PCB to be detected to the PCB clamping mechanism; when the PCB clamping mechanism is positioned at the conveying part, the PCB clamping mechanism clamps and fastens the PCB.

Further, conveying mechanism includes the transmission unit of two relative settings, in two form the centre gripping mouth between the transmission unit, the centre gripping of PCB fixture centre gripping in the centre gripping mouth between two transmission units, just the vertical bore that the centre gripping mouth is located conveying department is less than the vertical bore that the centre gripping mouth is located unlocking portion department, two the transmission unit is connected with the frame through interval adjustment mechanism, and a guide arm fixed with the frame along conveying mechanism's transversely with two transmission unit sliding connection.

Furthermore, the transmission unit includes relative first mounting bracket and the second mounting bracket that sets up and connect through many connecting screw about and, in a plurality of drive assembly have set gradually along the direction of delivery of PCB board between first mounting bracket and the second mounting bracket, each drive assembly is including mutual cartridge and axis coincidence go up spacing roller and lower spacing roller, and go up the first mounting bracket of the vertical upwards wearing out of first shaft pole of spacing roller upper end and fix through adjusting nut, the second mounting bracket is worn out downwards to the vertical second shaft pole of lower spacing roller lower extreme, and in the lower extreme department of second shaft pole is equipped with drive sprocket, driving motor's output shaft and a second shaft pole coaxial coupling, and drive sprocket is connected through the drive chain transmission.

Further, the upper limit roller comprises a first roller body, and a first limit part with the radial length decreasing downwards along the vertical direction is formed at the lower end of the first roller body; the lower limiting roller comprises a second roller body, a second limiting portion with the radial length decreasing upwards along the vertical direction is constructed at the upper end of the second roller body, an inserting portion is constructed at the small-diameter end of the second limiting portion, an inserting cavity extending along the vertical direction is formed in the center of the lower end of the first limiting portion, and the inserting portion is inserted in the inserting cavity.

Furthermore, the distance adjusting mechanism comprises an adjusting screw rod which is transversely and rotatably arranged on the rack, transmission threads with opposite rotation directions are formed on the outer surface of the adjusting screw rod at intervals, the two transmission units are respectively in transmission connection with the corresponding transmission threads, and an operating hand wheel is assembled at one end of the adjusting screw rod.

Furthermore, the PCB clamping mechanism comprises two oppositely arranged clamping components, and the two clamping components are connected through a first connecting piece or a second connecting piece; when the two clamping components are connected through the first connecting piece, the PCB is vertically arranged between the two clamping components; when the two clamping components are connected through the second connecting piece, the PCB is horizontally arranged between the two clamping components.

Further, the clamping component comprises a first mounting seat and a second mounting seat which are arranged from top to bottom, wherein one side, close to the conveying mechanism, of the first mounting seat is provided with a first inclined limiting part and a first vertical transmission part which are connected in sequence, one side, close to the conveying mechanism, of the second mounting seat is provided with a second inclined limiting part and a second vertical transmission part which are connected in sequence, the first vertical transmission part and the second vertical transmission part are close to each other, and a plurality of single-side clamping parts are arranged between the first mounting seat and the second mounting seat in sequence along the conveying direction of the clamping component.

Further, unilateral clamping part includes the installation pole of being connected with first mount pad, in install the pressure disk on the installation pole, in rotate on the second mount pad and install the sleeve pipe, the lower extreme of installation pole inserts in the sleeve pipe through sheathed tube upper end, has adjusting spring in the lower extreme fixed mounting of installation pole, adjusting spring's lower extreme is fixed with the regulating block, and an adjusting screw rotates the assembly in sheathed tube lower extreme, and adjusting screw and regulating block threaded connection, is fixed with the elastic silica gel bag in the sheathed tube upper end.

Furthermore, a stop pin is mounted on the second mounting seat, a return spring is sleeved outside the stop pin, two ends of the return spring are fixedly connected with the stop pin and the second mounting seat respectively, and the lower end of the stop pin can extend out of the lower end face of the second mounting seat; the middle part of the conveying part and the two unlocking parts are respectively provided with a stop hole, and when the stop pin moves to the stop holes along with the second mounting seat, the lower end of the stop pin extends into the stop holes under the action of a return spring; the ejection assembly comprises a first cylinder which is vertically arranged, a cross beam is installed at the output end of the first cylinder, two ejection columns are connected to the cross beam in a sliding mode, guide sleeves are respectively constructed at the lower ends of the conveying part and the two unlocking parts and corresponding to the two ejection columns, each guide sleeve is communicated with the corresponding locking hole, and the upper end of each ejection column is inserted into the corresponding guide sleeve through the lower end of the guide sleeve.

Furthermore, the material supplying and receiving mechanism comprises a placing frame which is detachably mounted on the transmission seat, one side, close to the conveying mechanism, of the placing frame is in an open state, a material guiding assembly is arranged above the transmission seat, and the material guiding assembly is aligned with the PCB clamping mechanism; the transmission seat comprises a transmission lead screw which is transversely and rotatably arranged on the frame body, the transmission lead screw is in threaded connection with the seat body, the guide rod transversely penetrates through the seat body, two ends of the guide rod are fixedly connected with the frame body, and an output shaft of the power motor is coaxially connected with the transmission lead screw; the guide subassembly includes the sliding seat of slidable mounting on the guide rail, the guide rail extends along conveying mechanism's direction of delivery, in the second cylinder is installed to one side of sliding seat, installs the angular adjustment motor in the other end of sliding seat, coaxial connection has the assembly pole on the output shaft of angular adjustment motor, in install first material pushing strip and second material pushing strip along its length direction interval on the assembly pole.

Due to the adoption of the structure, compared with the prior art, the invention has the technical progress that: according to the PCB clamping device, the PCB is supplied to the PCB clamping mechanism at the unlocking part of the conveying mechanism through the material supplying and receiving mechanism, then the PCB is carried by the PCB clamping mechanism to leave the unlocking part under the action of the conveying mechanism and enter the conveying part through the transition part, and the PCB is gradually clamped by the PCB clamping mechanism in the process; stopping when the PCB clamping mechanism displaces to the flying probe testing machine, and testing the PCB by the flying probe testing machine; after the test is finished, the conveying mechanism drives the PCB clamping mechanism to move to the unlocking part at the other end, the PCB clamping mechanism releases the clamping of the PCB, the material receiving mechanism at the corresponding position takes out the detected PCB, and supplies the PCB to be detected to the PCB clamping mechanism, so that the next detection operation is carried out; according to the invention, the PCB in the material supplying and receiving mechanisms at two ends is detected by reciprocating the PCB clamping mechanism on the conveying mechanism, and the detected PCB is sequentially recovered into the two material supplying and receiving mechanisms, so that the whole process is smooth; the conveying mechanism and the PCB clamping mechanism are adjusted to convey the PCBs with different thicknesses and different widths, and the distance between the conveying mechanisms and the clamping distance between the PCB clamping mechanisms can be changed according to requirements to convey the horizontal PCBs or the vertical PCBs; in conclusion, the PCB conveying device can adapt to the conveying of PCBs with different thicknesses, enables the PCBs to be continuously fed and discharged, further improves the detection efficiency, and meanwhile can convey horizontal PCBs or vertical PCBs according to specific requirements.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a side view of a structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a conveying mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of another angle of the conveying mechanism according to the embodiment of the present invention;

FIG. 5 is a side view of a structure of a conveying mechanism according to an embodiment of the present invention;

FIG. 6 is an axial sectional view of the drive assembly of the transport mechanism in accordance with the embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a transmission assembly in the conveying mechanism according to the embodiment of the invention;

FIG. 8 is a schematic view of the connection between the first shaft and the inclined portion of the first mounting bracket in the transmission assembly according to the embodiment of the present invention;

FIG. 9 is a schematic view of a portion of a conveying mechanism coupled to an ejection assembly according to an embodiment of the present invention;

FIG. 10 is a schematic view of a disassembled partial structure of the conveying mechanism and the ejecting assembly according to the embodiment of the present invention;

FIG. 11 is a schematic structural view of a connection between a conveying mechanism and a spacing adjustment mechanism according to an embodiment of the present invention;

FIG. 12 is a front view of a spacing adjustment mechanism according to an embodiment of the present invention;

FIG. 13 is a schematic diagram of a PCB clamping mechanism according to an embodiment of the present invention;

FIG. 14 is a front view of a PCB clamping mechanism according to an embodiment of the present invention;

FIG. 15 is a partial cross-sectional structural view of a clamping assembly in accordance with an embodiment of the present invention;

FIG. 16 is a schematic structural view of the PCB clamping mechanism and the first connecting member after being disassembled according to the embodiment of the present invention;

FIG. 17 is a schematic structural view of the PCB clamping mechanism connecting to the first connecting member and clamping the PCB according to the embodiment of the present invention;

FIG. 18 is a schematic view of the PCB board of FIG. 17 with the PCB removed;

FIG. 19 is a schematic structural view of a material receiving mechanism according to an embodiment of the present invention;

FIG. 20 is a front view of the receiving mechanism of the present invention;

FIG. 21 is a schematic structural view of a transmission seat in the material receiving mechanism according to the embodiment of the invention;

FIG. 22 is a schematic structural view of a placement frame of a receiving mechanism of an embodiment of the present invention, wherein the placement frame is fully covered with PCBs;

fig. 23 is a schematic structural view of a material guiding assembly in the material receiving mechanism according to the embodiment of the invention.

Labeling components: 100-conveying mechanism, 101-frame, 102-transmission unit, 1021-first mounting frame, 1022-second mounting frame, 10221-stop hole, 10222-guide sleeve, 1023-upper limit roller, 10231-first roller body, 10232-plug-in cavity, 10233-first limit part, 1024-lower limit roller, 10241-second roller body, 10242-second limit part, 10243-plug-in part, 1025-first shaft rod, 1026-second shaft rod, 1027-adjusting nut, 1028-cushion block, 1029-connecting screw rod, 103-guide rod, 104-spacing adjusting mechanism, 1041-adjusting screw rod, 1042-transmission ear, 1043-operating handwheel, 105-ejection assembly, 1051-fixed plate, 1052-first cylinder, 1053-cross beam, 1054-sliding block, 1055-top column, 106-transmission chain wheel, 107-transmission chain, 108-driving motor, 109-vertical limit groove, 110-clamping opening, 200-clamping mechanism, 201-clamping assembly, 201-stop pin assembly, 2011-first mounting seat, 2015-top column, 106-transmission chain wheel, 107-transmission chain, 109-driving motor, 109-vertical limit groove, 110-clamping opening, 200-clamping mechanism, 201-clamping assembly, 201-stop pin assembly, 2013-first mounting seat, 2022-second spring mounting seat, 2021-second stop spring mounting seat, 2023-second limit part, 2023-second stop spring mounting seat, 2021-second stop block, 2023-vertical adjusting mechanism, 2023-second stop spring mounting part, 2023-second stop spring mounting seat, 2023-adjusting mechanism, 2021-adjusting screw rod, 2023-adjusting mechanism, 2023-vertical adjusting screw rod mounting part, 2023-adjusting mechanism, 2021-adjusting mechanism, 2023-adjusting screw rod mounting part, 2023, 2042-assembly groove, 2043-connection lug, 205-second connecting piece, 2051-strip-shaped connecting plate, 2052-fixing lug, 2053-first rod body, 2054-second rod body, 2055-adjusting sleeve, 2056-roller, 2057-limiting surface, 300-material receiving mechanism, 301-transmission seat, 3011-frame body, 3012-power motor, 3013-transmission lead screw, 3014-guide rod, 3015-seat body, 3016-clamping groove, 302-placing frame, 3021-frame body, 3022-clamping block, 3023-handle, 303-material guiding component, 3031-guide rail, 3032-sliding seat, 3033-second cylinder, 3034-angle adjusting motor, 3035-assembly rod, 3036-first material pushing strip, 3037-second material pushing strip and 400-PCB board.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

The invention discloses an adjustable clamping and conveying integrated machine for detection of a flying probe tester, which comprises a conveying mechanism 100, a PCB clamping mechanism 200 and two material supplying and receiving mechanisms 300, wherein the two material supplying and receiving mechanisms 300 are respectively arranged at two ends of the conveying mechanism 100, and the PCB clamping mechanism 200 is arranged on the conveying mechanism 100, as shown in figures 1 to 23. The conveying mechanism 100 of the present invention has one conveying portion, two transition portions and two unlocking portions, wherein the two transition portions are respectively configured at two ends of the conveying portion, and one end of each transition portion away from the conveying portion is connected with the unlocking portion, i.e., a configuration as shown in fig. 5 is formed, that is, the transition portions and the unlocking portions are sequentially arranged outward in the conveying direction of the conveying mechanism 100. When the PCB clamping mechanism 200 is positioned at the unlocking part, the clamping of the PCB 400 by the PCB clamping mechanism 200 is released, so that the receiving mechanism 300 can take out the detected PCB 400 and supply the PCB 400 to be detected to the PCB clamping mechanism 200; when the PCB clamping mechanism 200 is located at the conveying part, the PCB clamping mechanism 200 clamps and fastens the PCB 400. The working principle and the advantages of the invention are as follows: according to the invention, the feeding and receiving mechanism 300 is used for feeding the PCB 400 to the PCB clamping mechanism 200 positioned at the unlocking part of the conveying mechanism 100, then the PCB clamping mechanism 200 carries the PCB 400 to leave the unlocking part under the action of the conveying mechanism 100 and enter the conveying part through the transition part, and the PCB clamping mechanism 200 gradually clamps the PCB 400 in the process; stopping when the PCB clamping mechanism 200 is displaced to the flying probe testing machine, and testing the PCB 400 by the flying probe testing machine; after the test is finished, the conveying mechanism 100 drives the PCB clamping mechanism 200 to move to the unlocking part at the other end, at this time, the PCB clamping mechanism 200 releases the clamping of the PCB 400, the receiving mechanism 300 at the corresponding position takes out the detected PCB 400, and supplies the PCB 400 to be detected to the PCB clamping mechanism 200, so as to perform the next detection operation; according to the invention, the PCB 400 in the material supplying and receiving mechanisms 300 at two ends is detected by the reciprocating motion of the PCB clamping mechanism 200 on the conveying mechanism 100, and the detected PCB 400 is sequentially recycled into the two material supplying and receiving mechanisms 300, so that the whole process is smooth; the conveying of the PCB boards 400 with different thicknesses and different widths is realized by adjusting the conveying mechanism 100 and the PCB clamping mechanism 200, and the conveying of the horizontal PCB board 400 or the vertical PCB board 400 can be realized by changing the distance between the conveying mechanism 100 and the clamping distance between the PCB clamping mechanisms 200 according to requirements; in summary, the invention can adapt to the conveying of the PCB 400 with different thicknesses, and the blanking and the feeding of the PCB 400 are continuous, thereby improving the detection efficiency, and meanwhile, the conveying of the horizontal PCB 400 or the vertical PCB 400 can be realized according to the specific requirements.

As a preferred embodiment of the present invention, as shown in fig. 3 to 12, the conveying mechanism 100 includes two oppositely disposed transmission units 102, a clamping opening 110 is formed between the two transmission units 102, and the pcb clamping mechanism 200 is clamped in the clamping opening 110 between the two transmission units 102. The vertical caliber of the clamping opening 110 at the conveying part is smaller than that of the clamping opening 110 at the unlocking part, so that when the PCB clamping mechanism 200 is at the conveying part with a smaller vertical caliber, the PCB clamping mechanism 200 clamps the PCB 400, and when the PCB clamping mechanism 200 is at the unlocking part with a larger vertical caliber, the PCB clamping mechanism 200 releases the clamping of the PCB 400. The two transmission units 102 of the embodiment are connected to the frame 101 through the spacing adjustment mechanism 104, and the two transmission units 102 are connected to the frame 101 by using a guide rod 103, that is, two ends of the guide rod 103 are fixed to the frame 101, and the guide rod 103 is slidably connected to the two transmission units 102 along the transverse direction of the conveying mechanism 100. In this embodiment, the distance adjustment mechanism 104 is used to adjust the distance between the two transmission units 102, and further adjust the transverse caliber of the clamping opening 110, so that the clamping opening 110 is suitable for clamping the PCB clamping mechanisms 200 with different shapes, and finally the PCB clamping mechanisms 200 clamp the PCB boards 400 with different thicknesses or different widths or different shapes, and the PCB clamping mechanisms 200 carry the PCB boards 400 to transmit on the conveying mechanism 100. The specific structure of the transmission unit 102 in this embodiment is that the transmission unit 102 includes a first mounting frame 1021, a second mounting frame 1022, and a plurality of transmission assemblies, wherein the first mounting frame 1021 and the second mounting frame 1022 are disposed opposite to each other, and the first mounting frame 1021 and the second mounting frame 1022 are connected together by a plurality of connecting screws 1029, the plurality of transmission assemblies described in this embodiment are mounted between the first mounting frame 1021 and the second mounting frame 1022, and the transmission assemblies are sequentially disposed along the conveying direction of the PCB 400. The transmission assembly preferably comprises an upper limiting roller 1023 and a lower limiting roller 1024, the axes of which are coincident, as shown in fig. 6-7, wherein the upper limiting roller 1023 and the lower limiting roller 1024 are arranged up and down, corresponding ends of the upper limiting roller 1023 and the lower limiting roller 1024 are inserted into each other, a first shaft lever 1025 is formed at the upper end of the upper limiting roller 1023, the first shaft lever 1025 vertically penetrates through the first mounting frame 1021 upwards, and the first shaft lever 1025 is fixed with the first mounting frame 1021 through an adjusting nut 1027 in threaded connection with the first shaft lever 1025. At the lower end of the lower limit roller 1024, a second shaft 1026 is formed, the second shaft 1026 vertically passes downward through the second mounting bracket 1022, and the second shaft 1026 is rotatably connected to the second mounting bracket 1022. And the present embodiment is equipped with a driving sprocket 106 at the lower end of the second shaft 1026, the output shaft of the driving motor 108 is coaxially connected with one second shaft 1026, and the driving sprocket 106 is in driving connection with the driving chain 107. Driving motor 108 passes through the transmission of drive sprocket 106 and drive chain 107, and then drives each drive assembly and rotates, and under general conditions, lower spacing roller 1024 is driven and rotates, and the lower part of the PCB fixture 200 that is located grip span 110 department is by the lower spacing roller 1024 centre gripping of both sides, and the upper portion of PCB fixture 200 is by the last spacing roller 1023 centre gripping of both sides, and make the transport of PCB fixture 200, at the in-process of carrying, PCB fixture 200 and last spacing roller 1023 effect, make last spacing roller 1023 follow-up rotate. When the interval between first mounting bracket 1021 and the second mounting bracket 1022 needs to be adjusted, make it use the PCB fixture 200 of different models, or use the PCB board 400 of different models that PCB fixture 200 gripped, through adjusting connecting screw 1029, make first mounting bracket 1021 and second mounting bracket 1022 be close to each other or keep away from, and then realize the change of going up spacing roller 1023 and spacing roller 1024 lower insertion depth, make and go up spacing roller 1023 and spacing roller 1024 can fully centre gripping the corresponding position of PCB fixture 200 down. In the embodiment, the adjusting nut 1027 is adjusted, so that the heights of the single or adjacent upper limiting rollers 1023 are adjusted, the inserting depth of the upper limiting rollers 1023 and the corresponding lower limiting rollers 1024 is adjusted, the vertical caliber of the clamping opening 110 is adjusted, and the adjustment of the transition part and the unlocking part can be completed. Particularly, during adjustment of the transition portion, in order to facilitate adjustment of the transmission assembly at the inclined surface of the first mounting frame 1021, as shown in fig. 8, a cushion block 1028 is disposed between the adjusting nut 1027 and the first mounting frame 1021, a surface of the cushion block 1028 in contact with the first mounting frame 1021 is an inclined surface, and a surface of the cushion block 1028 in contact with the adjusting nut 1027 is a flat surface, so that an operator can directly rotate the adjusting nut 1027 to enable the first shaft lever 1025 to drive the upper limiting roller 1023 to vertically displace.

As a preferred embodiment of the present invention, as shown in fig. 6 to 7, the upper-limit roller 1023 includes a first roller body 10231, and a first limit portion 10233 whose radial length decreases downward in the vertical direction is configured at the lower end of the first roller body 10231. The lower limiting roller 1024 includes a second roller 10241, a second limiting portion 10242 with a radial length decreasing upward is formed at an upper end of the second roller 10241, a plugging portion 10243 is formed at a small-diameter end of the second limiting portion 10242, a plugging cavity 10232 extending vertically is formed at a center of a lower end of the first limiting portion 10233, and the plugging portion 10243 is inserted into the plugging cavity 10232. The first limiting part 10233, the second limiting part 10242 and the part of the inserting part 10243 which is not inserted into the inserting cavity 10232 form a clamping side, and the corresponding side of the PCB clamping mechanism 200 is provided with a side face matched with the clamping side, so that the PCB clamping mechanism 200 can be effectively conveyed.

As a preferred embodiment of the present invention, as shown in fig. 11 to 12, the spacing adjustment mechanism 104 includes an adjustment screw 1041, the adjustment screw 1041 is transversely and rotatably mounted on the frame 101, and transmission threads with opposite rotation directions are formed on the outer surface of the adjustment screw 1041 at intervals. The second mounting seats 2014 of the two transmission units 102 are respectively provided with a transmission lug 1042, the two transmission units 102 are respectively in transmission connection with corresponding transmission threads through the transmission lugs 1042 on the two transmission units, and one end of the adjusting screw 1041 is provided with an operating handwheel 1043. When the distance between the transmission units 102 needs to be adjusted, an operator rotates the operation handwheel 1043, so that the operation handwheel 1043 drives the adjustment screw 1041 to rotate, and further the two transmission units 102 approach to each other or move away from each other, thereby achieving the purpose of adjusting the distance.

As a preferred embodiment of the present invention, as shown in fig. 13 to 18, the PCB clamping mechanism 200 includes two oppositely disposed clamping assemblies 201, and the two clamping assemblies 201 are connected by a first connector 204 or a second connector 205. When the two clamping assemblies 201 are connected through the first connecting piece 204, the PCB 400 is vertically arranged between the two clamping assemblies 201; when the two clip members 201 are connected by the second connector 205, the PCB 400 is horizontally disposed between the two clip members 201. As shown in fig. 14 and 16, the first connecting member 204 of the present embodiment includes a mounting bar 2041, connecting lugs 2043 are respectively formed at two ends of the mounting bar 2041, a mounting groove 2042 extending along the conveying direction of the PCB 400 is formed on an upper end surface of the mounting groove 2042, and the mounting bar 2041 is fixed to two ends of the PCB clamping mechanism 200 through the connecting lugs 2043. The PCB 400 of the present embodiment is conveyed to between the two clamping assemblies 201 through the material receiving mechanism 300, and is clamped by the clamping assemblies 201, and the lower end of the PCB 400 is located in the assembling groove 2042. As shown in fig. 17 and 18, the second connector 205 of the present embodiment includes two strip-shaped connection plates 2051, the two strip-shaped connection plates 2051 are respectively disposed on the corresponding side surfaces of the two clamping assemblies 201, and fixing lugs 2052 are respectively configured at both ends of each strip-shaped connection plate 2051, and the fixing lugs 2052 are fixed to the corresponding end portions of the clamping assemblies 201. First body of rod 2053 and second body of rod 2054 are installed respectively to homonymy tip department of bar connecting plate 2051 to the corresponding tip of first body of rod 2053 and second body of rod 2054 passes through adjusting sleeve 2055 and connects, this adjusting sleeve 2055 respectively with first body of rod 2053 and second body of rod 2054 threaded connection, make first body of rod 2053 and second body of rod 2054 be close to each other or keep away from through rotatory adjusting sleeve 2055, and then realize that two bar connecting plates 2051 drive two centre gripping subassemblies 201 and be close to each other or keep away from each other, realize the centre gripping of PCB plate 400 of different width of PCB fixture 200. In this embodiment, rollers 2056 are respectively mounted on the first shaft 2053 and the second shaft 2054, so that the PCB 400 can be smoothly guided into or out of the PCB clamping mechanism 200. The upper end surface of the strip-shaped connecting plate 2051 of this embodiment is a limiting surface 2057, and the lower end surfaces of the two side edges of the pcb 400 are in contact with the limiting surface 2057.

As a preferred embodiment of the present invention, as shown in fig. 14 to 16, the clamping assembly 201 includes a first mounting seat 2011 and a second mounting seat 2014, which are disposed up and down, wherein one side of the first mounting seat 2011, which is close to the conveying mechanism 100, is provided with a first inclined limiting part 2012 and a first vertical transmission part 2013 which are connected in sequence; second mount 2014 is close to conveying mechanism 100 one side and has and connects gradually spacing portion 2015 of second slope and second vertical drive portion 2016, and first vertical drive portion 2013 and second vertical drive portion 2016 are close to each other moreover. A plurality of single-sided clamping portions 202 are sequentially provided between the first mounting base 2011 and the second mounting base 2014 in the conveying direction of the clamping assembly 201. When the clamping assembly 201 is located in the conveying mechanism 100, the first inclined limiting portion 2012 and the second inclined limiting portion 2015 of the clamping assembly 201 are respectively in contact with the first limiting portion 10233 and the second limiting portion 10242, and the first vertical transmission portion 2013 and the second vertical transmission portion 2016 are respectively in contact with the corresponding surfaces of the inserting portion 10243. Thus, the surfaces of the two clamping components 201 corresponding to the PCB clamping mechanism 200 are fully contacted, the stability of transmission is ensured, the transmission is more accurate, and the occurrence of the conditions of deflection and the like is avoided. The single-side clamping portion 202 of the present embodiment is used for limiting the PCB 400, when the PCB 400 is conveyed in a vertical state, the single-side clamping portion 202 presses against the side surface of the lower end of the PCB 400, and when the PCB clamping mechanism 200 is located at the unlocking portion of the conveying mechanism 100, the single-side clamping portion 202 releases the pressing against the PCB 400; when the PCB 400 is transferred in a horizontal state, the single-side clamping portion 202 presses against the upper end surfaces of both sides of the PCB 400, and when the PCB clamping mechanism 200 is located at the unlocking portion of the conveying mechanism 100, the single-side clamping portion 202 releases the pressing against the upper end surfaces of both sides of the PCB 400.

As a preferred embodiment of the present invention, as shown in fig. 15, the one-side clamp 202 includes a mounting bar 2021 connected to a first mounting base 2011, and a platen 2022 is attached to the mounting bar 2021. A sleeve 2023 is rotatably mounted on the second mounting seat 2014, and the lower end of the mounting rod 2021 is inserted into the sleeve 2023 through the upper end of the sleeve 2023. In this embodiment, an adjusting spring 2024 is fixedly mounted at the lower end of the mounting rod 2021, an adjusting block 2025 is fixed at the lower end of the adjusting spring 2024, a bearing 2027 is mounted at the lower end of the sleeve 2023, an adjusting screw 2026 is rotatably connected to the sleeve 2023 through the bearing 2027, the adjusting screw 2026 extends into the sleeve 2023 from the lower end of the sleeve 2023, the adjusting screw 2026 is in threaded connection with the adjusting block 2025, an elastic silicone rubber bag 2028 is fixed at the upper end of the sleeve 2023, and the pre-tightening force of the adjusting spring 2024 is adjusted by adjusting the adjusting screw 2026 to adapt to PCB 400 of different models. In this embodiment, when the PCB clamping mechanism 200 is located at the unlocking portion of the conveying mechanism 100, the first mounting seat 2011 and the second mounting seat 2014 are away from each other under the action of the adjusting spring 2024, so that the pressing plate 2022 pressed on the elastic silicone bladder 2028 is separated from the elastic silicone bladder 2028, the elastic silicone bladder 2028 elastically returns to the original position, and the elastic silicone bladder 2028 releases the limitation on the PCB 400, so that the PCB 400 can be replaced. When the PCB clamping mechanism 200 is located in the conveying portion of the conveying mechanism 100, the first mounting seat 2011 and the second mounting seat 2014 approach each other under the action of the upper limiting roller 1023 and the lower limiting roller 1024, the adjusting spring 2024 is compressed, and in the process that the first mounting seat 2011 moves towards the second mounting seat 2014, the pressure plate 2022 gradually moves downwards and presses the elastic silicone bladder 2028, the elastic silicone bladder 2028 gradually deforms elastically, the outer diameter of the elastic silicone bladder 2028 is increased, and the lower end surface of the elastic bladder protrudes downwards. When the vertical PCB 400 is clamped, the part playing a role of clamping is the outer circumferential surface of the elastic silicone capsule 2028; when the horizontal PCB 400 is clamped, the part playing a clamping role is the lower end surface of the elastic silicone bladder 2028, and at this time, the lower end surface of the elastic silicone bladder 2028 is matched with the limiting surface 2057 of the strip-shaped connecting plate 2051 to clamp the corresponding part of the PCB 400.

As a preferred embodiment of the present invention, in order to stop the PCB clamping mechanism 200 at the unlocking portion of the conveying mechanism 100 and the detection portion of the flying needle tester, as shown in fig. 14 to 15, a stopping assembly 203 is mounted on the second mounting base 2014, the stopping assembly 203 includes a stopping pin 2031 inserted on the second mounting base 2014, a return spring 2032 is sleeved outside the stopping pin 2031, two ends of the return spring 2032 are fixedly connected with the stopping pin 2031 and the second mounting base 2014 respectively, and a lower end of the stopping pin 2031 can extend out of a lower end surface of the second mounting base 2014. In this embodiment, stop holes 10221 are respectively formed in the middle of the conveying portion and the two unlocking portions, and when the stop pin 2031 is displaced to the stop hole 10221 along with the second mounting base 2014, the lower end of the stop pin 2031 extends into the stop hole 10221 under the action of the return spring 2032 of the stop pin 2031. In order to realize that the stop pin 2031 is disengaged from the stop hole 10221 so as to facilitate the movement of the PCB clamping mechanism 200 on the conveying mechanism 100, in this embodiment, as shown in fig. 9-10, an ejection assembly 105 is respectively disposed below the conveying part and the two unlocking parts and at the stop hole 10221, wherein the ejection assembly 105 includes a fixing plate 1051 disposed on the rack 101 and below the conveying mechanism 100, a first cylinder 1052 is vertically mounted at an upper end of the fixing plate 1051, a cross beam 1053 is mounted at an output end of the first cylinder 1052, vertical limiting grooves 109 are respectively configured at two sides of the rack 101, two ends of the cross beam 1053 are respectively fitted into the corresponding vertical limiting grooves 109, and are driven by the first cylinder 1052 to move in the vertical direction in the vertical limiting grooves 109. In the present embodiment, two sliding blocks 1054 are slidably connected to the cross beam 1053, a top pillar 1055 is configured on each sliding block 1054, guide sleeves 10222 are respectively configured at the lower ends of the conveying part and the two unlocking parts and at the positions corresponding to the two top pillars 1055, each guide sleeve 10222 is communicated with a corresponding stopping hole 10221, and the upper end of each top pillar 1055 is inserted into the guide sleeve 10222 through the lower end of the guide sleeve 10222. The working principle of the embodiment is as follows: the first cylinder 1052 drives the beam 1053 to move upward, so that the top pillar 1055 pushes the lower end of the stop pin 2031 out of the stop hole 10221, so that the PCB holding mechanism 200 is unlocked from the conveying mechanism 100, and thus the PCB holding mechanism 200 moves on the conveying mechanism 100 under the action of the conveying mechanism 100. When the distance adjusting mechanism 104 adjusts the distance between the two transmission units 102, since the upper end of the top post 1055 is located in the guide sleeve 10222, the guide sleeve 10222 moves along with the second mounting frame 1022, and further drives the top post 1055 to slide along the cross beam 1053.

As a preferred embodiment of the present invention, as shown in fig. 19 to 23, the material supplying and receiving mechanism 300 includes a driving seat 301, a placing frame 302, and a material guiding assembly 303, wherein the placing frame 302 is detachably mounted on the driving seat 301, one side of the placing frame 302 close to the conveying mechanism 100 is in an open state, so as to facilitate the PCB 400 to be introduced into and guided out of the placing frame 302, the material guiding assembly 303 is disposed above the driving seat 301, and the material guiding assembly 303 is aligned with the PCB holding mechanism 200. The transmission seat 301 of this embodiment includes a transmission lead screw 3013 transversely installed on the frame body 3011 in a rotating manner, the transmission lead screw 3013 is connected to the seat body 3015 through a thread, a plurality of slots 3016 are formed in the upper end face of the seat body 3015, the guide rod 3014 transversely passes through the seat body 3015, both ends of the guide rod 3014 are fixedly connected to the frame body 3011, and an output shaft of the power motor 3012 is coaxially connected to the transmission lead screw 3013. The placement frame 302 of the present embodiment includes a frame body 3021, handles 3023 are respectively configured on two sides of the frame body 3021, a plurality of latches 3022 are configured on the lower end of the frame body 3021, and the latches 3022 are assembled in the corresponding slots 3016. The material guiding assembly 303 of this embodiment includes a sliding seat 3032 slidably mounted on a guide rail 3031, the guide rail 3031 extends along the conveying direction of the conveying mechanism 100, a second cylinder 3033 is mounted on one side of the sliding seat 3032, an angle adjusting motor 3034 is mounted on the other end of the sliding seat 3032, an output shaft of the angle adjusting motor 3034 is coaxially connected with an assembling rod 3035, and a first material pushing bar 3036 and a second material pushing bar 3037 are mounted on the assembling rod 3035 at intervals along the length direction thereof. In this embodiment, the power motor 3012 drives the transmission lead screw 3013 to rotate, so that the seat body 3015 drives the placement frame 302 to displace, and when one PCB 400 in the placement frame 302 aligns with the PCB clamping mechanism 200, at this time, the PCB 400 is located between the first material pushing bar 3036 and the second material pushing bar 3037, and the first material pushing bar 3036 and the second material pushing bar 3037 contact with two side surfaces of the PCB 400, and then the second air cylinder 3033 drives the sliding seat 3032 to move towards the PCB clamping mechanism 200, so that the PCB 400 is conveyed onto the PCB clamping mechanism 200, and when the angle adjusting motor 3034 operates, the assembly rod 3035 rotates by a certain angle, so that the first material pushing bar 3036 and the second material pushing bar 3037 avoid the PCB 400, and the conveying mechanism 100 operates, so that the PCB clamping mechanism 200 drives the PCB 400 to synchronously move on the conveying mechanism 100. After the detection is completed, the PCB clamping mechanism 200 drives the detected PCB 400 to move to another material receiving mechanism 300, the angle adjusting motor 3034 operates to enable the detected PCB 400 to be located between the first material pushing strip 3036 and the second material pushing strip 3037, at this time, the vacant position of the placing frame 302 is aligned with the detected PCB 400, the second cylinder 3033 operates to enable the first material pushing strip 3036 and the second material pushing strip 3037 to recover the detected PCB 400 into the placing frame 302, then, the power motor 3012 is controlled to operate to enable the transmission screw 3013 to transversely advance the seat 3015 by one body position, at this time, the PCB 400 to be detected is located between the first material pushing strip 3036 and the second material pushing strip 3037, and the first material pushing strip 3036 and the second material pushing strip 3037 are in contact with two side surfaces of the PCB 400, and then the above operations are repeated to achieve the purpose of continuous detection.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a flying probe test machine detects defeated material all-in-one of centre gripping with adjustable which characterized in that: the PCB clamping device comprises two material supplying and receiving mechanisms which are respectively arranged at two ends of a conveying mechanism, wherein a PCB clamping mechanism is arranged on the conveying mechanism, the conveying mechanism is provided with a conveying part, and a transition part and an unlocking part are sequentially formed at each end of the conveying part outwards along the conveying direction; when the PCB clamping mechanism is positioned at the unlocking part, the PCB clamping mechanism releases the clamping of the PCB, so that the receiving mechanism takes out the detected PCB and supplies the PCB to be detected to the PCB clamping mechanism; when the PCB clamping mechanism is positioned at the conveying part, the PCB clamping mechanism clamps and fastens the PCB.

2. The adjustable clamping and conveying integrated machine for flying probe testing machine detection as claimed in claim 1, characterized in that: conveying mechanism includes two transmission units that set up relatively, in two form the centre gripping mouth between the transmission unit, PCB fixture centre gripping is in the centre gripping mouth between two transmission units, just the vertical bore that the centre gripping mouth is located conveying part department is less than the vertical bore that the centre gripping mouth is located unlocking part department, two the transmission unit is connected with the frame through interval guiding mechanism, and a guide arm fixed with the frame along conveying mechanism's transversely with two transmission unit sliding connection.

3. The adjustable clamping and conveying integrated machine for flying probe testing machine detection as claimed in claim 2, wherein: the transmission unit comprises a first mounting rack and a second mounting rack which are arranged oppositely from top to bottom and connected through a plurality of connecting screw rods, a plurality of transmission assemblies are sequentially arranged between the first mounting rack and the second mounting rack along the conveying direction of the PCB, each transmission assembly comprises an upper limiting roller and a lower limiting roller which are inserted into each other and are overlapped in axis, a first shaft rod at the upper end of the upper limiting roller vertically penetrates out of the first mounting rack upwards and is fixed through an adjusting nut, a second shaft rod at the lower end of the lower limiting roller vertically penetrates out of the second mounting rack downwards, a transmission chain wheel is assembled at the lower end of the second shaft rod, an output shaft of a driving motor is coaxially connected with a second shaft rod, and the transmission chain wheel is in transmission connection with the second shaft rod.

4. The adjustable clamping and conveying integrated machine for flying probe testing machine detection as claimed in claim 3, wherein: the upper limiting roller comprises a first roller body, and a first limiting part with the radial length decreasing downwards along the vertical direction is constructed at the lower end of the first roller body; the lower limiting roller comprises a second roller body, a second limiting portion with the radial length decreasing upwards along the vertical direction is constructed at the upper end of the second roller body, an inserting portion is constructed at the small-diameter end of the second limiting portion, an inserting cavity extending along the vertical direction is formed in the center of the lower end of the first limiting portion, and the inserting portion is inserted in the inserting cavity.

5. The adjustable clamping and conveying integrated machine for flying probe testing machine detection as claimed in claim 2, wherein: the distance adjusting mechanism comprises an adjusting lead screw which is transversely and rotatably arranged on the rack, transmission threads with opposite turning directions are formed on the outer surface of the adjusting lead screw at intervals, the two transmission units are respectively in transmission connection with the corresponding transmission threads, and an operating hand wheel is assembled at one end of the adjusting lead screw.

6. The adjustable clamping and conveying integrated machine for flying probe testing machine detection as claimed in claim 1, wherein: the PCB clamping mechanism comprises two clamping components which are oppositely arranged, and the two clamping components are connected through a first connecting piece or a second connecting piece; when the two clamping components are connected through the first connecting piece, the PCB is vertically arranged between the two clamping components; when the two clamping components are connected through the second connecting piece, the PCB is horizontally arranged between the two clamping components.

7. The adjustable clamping and conveying integrated machine for flying probe testing machine detection as claimed in claim 6, wherein: the clamping component comprises a first mounting seat and a second mounting seat which are arranged from top to bottom, wherein the first mounting seat is close to one side of the conveying mechanism and is provided with a first inclined limiting part and a first vertical transmission part which are connected in sequence, the second mounting seat is close to one side of the conveying mechanism and is provided with a second inclined limiting part and a second vertical transmission part which are connected in sequence, the first vertical transmission part and the second vertical transmission part are close to each other, and a plurality of single-edge clamping parts are arranged between the first mounting seat and the second mounting seat in sequence along the conveying direction of the clamping component.

8. The adjustable clamping and conveying integrated machine for flying probe testing machine detection as claimed in claim 7, wherein: the unilateral clamping part comprises an installation rod connected with a first installation seat, a pressure plate is installed on the installation rod, a sleeve is installed on a second installation seat in a rotating mode, the lower end of the installation rod is inserted into the sleeve through the upper end of the sleeve, an adjusting spring is fixedly installed at the lower end of the installation rod, an adjusting block is fixed at the lower end of the adjusting spring, an adjusting screw rod is assembled at the lower end of the sleeve in a rotating mode, the adjusting screw rod is in threaded connection with the adjusting block, and an elastic silica gel bag is fixed at the upper end of the sleeve.

9. The adjustable clamping and conveying integrated machine for flying probe testing machine detection as claimed in claim 7, wherein: a stop pin is installed on the second installation seat, a return spring is sleeved outside the stop pin, two ends of the return spring are fixedly connected with the stop pin and the second installation seat respectively, and the lower end of the stop pin can extend out of the lower end face of the second installation seat; the middle part of the conveying part and the two unlocking parts are respectively provided with a stop hole, and when the stop pin moves to the stop hole along with the second mounting seat, the lower end of the stop pin extends into the stop hole under the action of the return spring; the ejection assembly comprises a first cylinder which is vertically arranged, a cross beam is installed at the output end of the first cylinder, two ejection columns are connected to the cross beam in a sliding mode, guide sleeves are respectively constructed at the lower ends of the conveying part and the two unlocking parts and corresponding to the two ejection columns, each guide sleeve is communicated with the corresponding locking hole, and the upper end of each ejection column is inserted into the corresponding guide sleeve through the lower end of the guide sleeve.

10. The adjustable clamping and conveying integrated machine for flying probe testing machine detection as claimed in claim 1, wherein: the material supplying and receiving mechanism comprises a placing frame which is detachably arranged on a transmission seat, one side, close to the conveying mechanism, of the placing frame is in an open state, a material guide assembly is arranged above the transmission seat, and the material guide assembly is aligned with the PCB clamping mechanism; the transmission seat comprises a transmission lead screw which is transversely and rotatably arranged on the frame body, the transmission lead screw is in threaded connection with the seat body, the guide rod transversely penetrates through the seat body, two ends of the guide rod are fixedly connected with the frame body, and an output shaft of the power motor is coaxially connected with the transmission lead screw; the guide subassembly includes the sliding seat of slidable mounting on the guide rail, the guide rail extends along conveying mechanism's direction of delivery, in the second cylinder is installed to one side of sliding seat, installs the angular adjustment motor in the other end of sliding seat, coaxial connection has the assembly pole on the output shaft of angular adjustment motor, in install first material pushing strip and second material pushing strip along its length direction interval on the assembly pole.