CN113376472A

CN113376472A - Online testing device

Info

Publication number: CN113376472A
Application number: CN202110703843.8A
Authority: CN
Inventors: 韦黄镇; 张琛星; 徐志兵; 祝国昌
Original assignee: Optofidelity High Tech Zhuhai Ltd
Current assignee: Optofidelity High Tech Zhuhai Ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-09-10

Abstract

The invention aims to provide an online testing device which is high in testing efficiency, accurate in alignment and capable of protecting components and products. The device comprises a conveying line, a jacking test module and a pressing test module, wherein the jacking test module and the pressing test module are respectively positioned above and below the conveying line, at least one jig is placed on the conveying line, the jacking test module comprises a jig jacking mechanism and a jacking test mechanism which are matched, a jacking support plate of the jig jacking mechanism is provided with a coarse positioning pin, the coarse positioning pin is matched with a coarse positioning bushing arranged on the jig, a lower needle block of the jacking test mechanism is positioned below the jacking support plate and penetrates through the jacking support plate to be matched with the jig, a lower fine positioning pin is arranged on the lower needle block, and the fine positioning pin is matched with a fine positioning bushing arranged on the jig. The invention can be applied to the technical field of testing devices.

Description

Online testing device

Technical Field

The invention relates to the technical field of testing devices, in particular to an online testing device.

Background

With the continuous development of technology, electronic products of various styles are on the market and applied to various fields. Competition of numerous products on the one hand, the requirement of consumers on performance and quality is also higher and higher on the other hand, thereby the attention of enterprises to the function and quality of products is also higher and higher, in the face of mass and high-quality production, numerous enterprises all need to purchase relevant test equipment to carry out high-efficiency and high-stability test on the function of various small chips inside the products, meanwhile, the product technology is continuously updated, various small chips inside the products are also made smaller and smaller, and great challenge is brought to a test module.

The existing product testing equipment in the market at present basically belongs to a semi-automatic mode, so the testing efficiency is low. The utility model patent CN207780072U discloses a board mechanism is crossed in on-line test, and it adopts the mode that the transfer chain combines top subassembly and cylinder to push down for the test foot point of test needle contact PCB board, thereby switch on and realize the test to the PCB board. However, when some products which need to be aligned are tested, the above patent cannot realize alignment, and in actual use, the situation that conduction cannot be achieved may occur, which not only affects the testing efficiency, but also may cause damage to the testing needle and the product.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an online testing device which is high in testing efficiency, accurate in alignment and capable of protecting parts and products.

The technical scheme adopted by the invention is as follows: the device comprises a conveying line, a jacking test module and a pressing test module, wherein the jacking test module and the pressing test module are respectively positioned above and below the conveying line, at least one jig is placed on the conveying line, the jacking test module comprises a jig jacking mechanism and a jacking test mechanism which are matched, a jacking support plate of the jig jacking mechanism is provided with a coarse positioning pin, the coarse positioning pin is matched with a coarse positioning bushing arranged on the jig, a lower needle block of the jacking test mechanism is positioned below the jacking support plate and penetrates through the jacking support plate to be matched with the jig, a lower fine positioning pin is arranged on the lower needle block, and the lower fine positioning pin is matched with a fine positioning bushing arranged on the jig.

Further, tool climbing mechanism includes at least one jacking cylinder, the jacking support plate sets up the output of jacking cylinder, one side of jacking cylinder is provided with blocks the cylinder, the output that blocks the cylinder is provided with the barrier plate, the barrier plate passes the jacking support plate with the tool cooperatees, jacking accredited testing organization is including setting up block the jacking lead screw motor of one side of cylinder, the needle piece sets up down on the action of jacking lead screw motor is served, be provided with a plurality of roots down on the needle piece with tool matched with lower kelvin probe.

The pressing testing module comprises a mounting frame, a pressing cylinder, an upper needle block and two vertical pressing plates, the pressing cylinder is arranged on the mounting frame, the output end of the pressing cylinder penetrates through the mounting frame, the upper needle block is arranged at the output end of the pressing cylinder, the two vertical pressing plates are arranged at the lower end of the mounting frame and located on two sides of the upper needle block, the two vertical pressing plates are matched with the jig, an upper fine positioning pin matched with the fine positioning bushing is arranged on the upper needle block, and a plurality of upper Kaiwen probes matched with the jig are further arranged on the upper needle block.

Further, jacking test module still includes mounting plate, it is provided with the movable plate to slide on the mounting plate, one side of movable plate is provided with driving motor, driving motor pass through the lead screw drive assembly with the movable plate is connected, the groove of stepping down has been seted up on the movable plate, jacking lead screw motor sets up just be located on the mounting plate in the groove of stepping down, the quantity of jacking cylinder is two and sets up respectively in the groove both sides of stepping down on the movable plate, the both ends of jacking support plate are respectively with two the output of jacking cylinder is connected, the jacking groove has been seted up on the jacking support plate.

Furthermore, a plurality of follow-up bearings are arranged on the inner sides of the two vertical pressing plates and matched with the jig, three moving sensors are arranged on the mounting bottom plate, and moving induction pieces matched with the three moving sensors are arranged on the moving plate.

Furthermore, both ends of the movable plate are provided with mounting seats, the jacking cylinder is arranged on the mounting seats, the mounting seats are provided with two guide shafts in a sliding mode, the two guide shafts are located on two sides of the jacking cylinder, the upper ends of the two guide shafts are connected with the jacking support plate, the lower ends of the two guide shafts penetrate through the mounting seats and are provided with follow-up plates, height induction pieces are arranged on the follow-up plates, one ends of the movable plate are provided with mounting bars, and the mounting bars are provided with two height inductors matched with the height induction pieces.

Further, block the cylinder setting and be close to the transfer chain flow direction on the mount pad, be provided with two sensors that target in place on the movable plate, two the sensor that targets in place is located respectively block the both sides of cylinder.

Furthermore, the upper Kelvin probe and the lower Kelvin probe both comprise two testing probes, a gap is formed between the two testing probes, and one ends of the two testing probes, which are matched with the jig, are both arranged to be inclined planes.

Further, the number of the fine positioning bushings is sixteen, four fine positioning bushings are arranged at four corners of the jig in a group, and the number of the coarse positioning bushings is two and is respectively arranged at two sides of the jig.

Further, the mounting frame comprises two mounting vertical plates arranged on the mounting bottom plate, the two mounting vertical plates are respectively located on two sides of the conveying line, fixed transverse plates are arranged on the two mounting vertical plates, mounting transverse plates are hinged to the fixed transverse plates, and the pressing-down cylinder and the two vertical pressing plates are respectively arranged at the upper end and the lower end of the mounting transverse plates.

The invention has the beneficial effects that: the jacking test module and the pressing test module are respectively arranged below and above the conveying line, the conveying line is used for conveying the jig, the jig is used for loading products, the jacking test module jacks the jig to enable the jig to leave the conveying line, and the pressing test module presses downwards to test the products on the jig; the jacking test module comprises a jig jacking mechanism and a jacking test mechanism which are matched, when in test, the jig jacking mechanism jacks the jig through a jacking support plate to enable the jig to leave the conveying line, then the jacking test module is pressed downwards to conduct the upper contact position of a product on the jig, then the jacking test mechanism rises and penetrates through the jacking support plate to be matched with the jig to realize the conduction of the lower contact position of the product, because the jig is pressed down by the jacking test module, the jig cannot be separated from the matching with the jacking support plate, the jacking support plate is matched with a coarse positioning bush on the jig through a coarse positioning pin to realize the coarse positioning of the jig, the occurrence of larger deviation is avoided, therefore, the pressing down of the jacking test module and the rising up of the jacking test mechanism can both align with the product on the jig, in addition, the lower needle block of the jacking test mechanism is also provided with a fine positioning pin, and the fine positioning bush on the jig can realize the accurate alignment when the lower fine positioning pin rises, therefore, the lower needle block can be accurately matched with the jig, the matching precision is high, connection and conduction can be effectively guaranteed, the testing efficiency is improved, and the damage to the testing needle piece and the product is avoided. Therefore, the invention has the advantages of reasonable overall design, high testing efficiency and accurate alignment, and can protect parts and products.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention with the conveyor line removed;

FIG. 3 is a schematic perspective view of a jacking test module according to the present invention;

fig. 4 is a schematic perspective view of the tool lifting mechanism according to the present invention;

fig. 5 is a schematic perspective view of the lifting mechanism of the jig of the present invention at another angle;

FIG. 6 is a schematic perspective view of a jacking-testing mechanism according to the present invention;

FIG. 7 is a schematic perspective view of a push-down test module according to the present invention;

FIG. 8 is a schematic perspective view of another embodiment of the push-down test module of the present invention;

FIG. 9 is a schematic perspective view of the jig of the present invention;

fig. 10 is an enlarged view of a portion a in fig. 6;

fig. 11 is an enlarged view of a portion B in fig. 8.

Detailed Description

As shown in fig. 1 to 11, in this embodiment, the present invention includes a conveying line 100, a jacking test module 2 and a pressing test module 3 respectively located above and below the conveying line 100, at least one jig 200 is placed on the conveying line 100, the jacking test module 2 includes a jig jacking mechanism 21 and a jacking test mechanism 22 which are matched with each other, a coarse positioning pin 212 is disposed on a jacking carrier plate 211 of the jig jacking mechanism 21, the coarse positioning pin 212 is adapted to a coarse positioning bushing 201 disposed on the jig 200, a lower pin block 221 of the jacking test mechanism 22 is located below the jacking carrier plate 211 and passes through the jacking carrier plate 211 to be matched with the jig 200, a lower fine positioning pin 222 is disposed on the lower pin block 221, and the lower fine positioning pin 222 is matched with a fine positioning bushing 202 disposed on the jig 200. The conveying line 100 is in symmetrical flat belt type conveying, a gap is arranged in the middle of the conveying line, so that the jig 200 can be conveniently lifted, the jig 200 is movably placed on the conveying line 100, a plurality of product grooves are formed in the jig 200 and used for placing products, connecting pin holes for enabling the products to be communicated to penetrate from the lower side are formed in the product grooves, the lifting test module 2 conducts connection and conduction on the products on the jig 200 from bottom to top, and the downward pressing test module 3 conducts connection and conduction on the products on the jig 200 from top to bottom, so that connection test is achieved; the jacking test module 2 comprises a jig jacking mechanism 21 and a jacking test mechanism 22 which are matched with each other, when in test, the jig jacking mechanism 21 jacks the jig 200 through the jacking carrier plate 211 to enable the jig 200 to leave the conveyor line 100, then the pushing test module 3 performs a pushing action to push down the jig 200 and conduct an upper contact position of a product on the jig 200, then the jacking test mechanism 22 rises and penetrates through the jacking carrier plate 211 to be matched with the jig 200 to realize the conduction of a lower contact position of the product, because the jig 200 is pressed by the pushing test module 3 at the moment, the jig 200 cannot be separated from the matching with the jacking carrier plate 211, and the jacking carrier plate 211 is matched with the coarse positioning bushing 201 on the jig 200 through the coarse positioning pin 212 to realize the coarse positioning of the jig 200, therefore, the large deviation can be avoided, so that the product on the jig 200 can be aligned when the downward pressing test module 3 is pressed downward and the jacking test mechanism 22 rises, in addition, the lower needle block 221 of the jacking test mechanism 22 is also provided with the fine positioning pin, and the fine positioning pin 222 can be matched with the fine positioning bushing 202 on the jig 200 to realize accurate alignment when the downward pressing test module rises, so that the lower needle block 221 can be accurately matched with the jig 200, the matching precision is high, the connection and conduction can be effectively ensured, the test efficiency is improved, and the damage of the test needle piece and the product is avoided. Therefore, the invention has the advantages of reasonable overall design, high testing efficiency and accurate alignment, and can protect parts and products.

In this embodiment, the jig jacking mechanism 21 includes at least one jacking cylinder 213, the jacking support plate 211 is arranged at the output end of the jacking cylinder 213, one side of the jacking cylinder 213 is provided with a blocking cylinder 214, the output end of the blocking cylinder 214 is provided with a blocking plate 215, the blocking plate 215 passes through the jacking support plate 211 to be matched with the jig 200, the jacking test mechanism 22 includes a jacking lead screw motor 223 arranged at one side of the blocking cylinder 214, the lower needle block 221 is arranged at the action end of the jacking lead screw motor 223, and the lower needle block 221 is provided with a plurality of lower kelvin probes 224 matched with the jig 200. The jig jacking mechanism 21 includes the jacking carrier plate 211, the jacking cylinder 213, the blocking cylinder 214 and the blocking plate 215, the jacking cylinder 213 is used for driving the jacking carrier plate 211 to move up and down, the jacking carrier plate 211 is used for jacking the jig 200 from the conveying line 100, and the positioning is realized by the cooperation of the coarse positioning pin 212 and the coarse positioning bushing 201 when jacking, the blocking cylinder 214 is used for driving the blocking plate 215 to move up and down, the blocking plate 215 is used for blocking the jig 200, when working, when the jig 200 flows along the conveying line 100 to the position above the jacking carrier plate 211, the blocking plate 215 is lifted to block the jig 200, at the moment, the jig 200 is just above the jacking carrier plate 211, therefore, when the jacking carrier plate 211 is lifted, the coarse positioning pin 212 can be quickly embedded with the coarse positioning bushing 201, coarse positioning is realized; the jacking testing mechanism 22 comprises the jacking screw motor 223, the lower needle block 221 and a plurality of lower Kelvin probes 224, the jacking screw motor 223 is used for driving the lower needle block 221 to move up and down, so that the lower pin block 221 can pass through the lifting carrier plate 211 and be attached to the jig 200, the lower needle block 221 is used for installing a plurality of lower Kelvin probes 224, the upper ends of the lower Kelvin probes 224 move under the driving of the jacking screw rod motor 223, penetrate through the jig 200 and contact with the lower contact position of the product on the jig 200, thereby realizing the conduction of the lower end of the product, when the lower needle block 221 is matched with the jig 200, the lower fine positioning pin 222 on the upper end surface of the lower needle block 221 is embedded with the fine positioning bush 202 on the jig 200, so as to ensure that the lower kelvin probe 224 can accurately pass through the jig 200 to contact with the product; the lower needle block 221 has a total of 432 lower Kelvin probes 224, each product needs to contact 8 lower Kelvin probes 224, and thus is divided into 54 small groups, and 54 small groups are arranged in a 9 × 6 square array.

In this embodiment, the downward-pressing test module 3 includes an installation frame 31, a downward-pressing cylinder 32, an upper needle block 33, and two vertical pressing plates 34, the downward-pressing cylinder 32 is disposed on the installation frame 31, an output end of the downward-pressing cylinder passes through the installation frame 31, the upper needle block 33 is disposed at an output end of the downward-pressing cylinder 32, the two vertical pressing plates 34 are disposed at a lower end of the installation frame 31 and located at two sides of the upper needle block 33, the two vertical pressing plates 34 are matched with the jig 200, an upper fine positioning pin 35 matched with the fine positioning bushing 202 is disposed on the upper needle block 33, and the upper needle block 33 is further provided with a plurality of upper kelvin probes 36 matched with the jig 200. The lower pressing cylinder 32 is used for driving the upper needle block 33 and the two vertical pressing plates 34 to move up and down, the upper needle block 33 and the two vertical pressing plates 34 are both located above the jig 200, the two vertical pressing plates 34 are used for limiting the jig 200, when the jig 200 is driven by the jacking support plate 211 to move up and down, the jig 200 can abut against the lower ends of the two vertical pressing plates 34, the lower end of the upper needle block 33 is provided with the upper fine positioning pin 35, when the upper needle block 33 moves down and is matched with the jig 200, the upper fine positioning pin 35 is embedded into the fine positioning bushing 202 to realize accurate alignment, so that the upper kelvin probe 36 can be accurately contacted and conducted with a product on the jig 200, and the upper end is conducted, so that the test is carried out; the upper needle block 33 is provided with 432 upper Kelvin probes 36, each product needs to be contacted with 8 upper Kelvin probes 36, and therefore the product is divided into 54 small groups, and the 54 small groups are arranged in a 9 multiplied by 6 square array.

In this embodiment, jacking test module 2 still includes mounting plate 23, it is provided with movable plate 24 to slide on mounting plate 23, one side of movable plate 24 is provided with driving motor 25, driving motor 25 through lead screw drive assembly 26 with movable plate 24 is connected, the groove of stepping down 27 has been seted up on movable plate 24, jacking lead screw motor 223 sets up just be located on mounting plate 23 in the groove of stepping down 27, the quantity of jacking cylinder 213 is two and sets up respectively in the groove of stepping down 27 both sides on the movable plate 24, the both ends of jacking support plate 211 are respectively with two the output of jacking cylinder 213 is connected, jacking groove 216 has been seted up on jacking support plate 211. The moving plate 24 is slidably disposed on the mounting bottom plate 23, the driving motor 25 drives the moving plate 24 to move parallel to the conveying line 100 through the lead screw transmission assembly 26, the number of the jacking cylinders 213 is two, the two jacking cylinders 213 are respectively disposed at two ends of the moving plate 24, the jacking support plate 211 is driven by the two jacking cylinders 213 to move up and down, so that the force is balanced, the jacking groove 216 is formed in the jacking support plate 211 and used for moving up and down the lower needle block 221, so that the tool 200 can be jacked up and matched with the lower needle block 221 and the tool 200, the abdicating groove 27 is formed in the moving plate 24 and used for avoiding interference with the jacking lead screw motor 223, and the moving plate 24 can move freely; be provided with the lead screw seat on the mounting plate 23, the lead screw seat sets up through four slide bars on the mounting plate 23, four the slide bar through four sliding sleeves with mounting plate 23 sliding fit, thereby jacking lead screw motor 223 sets up on the mounting plate 23 and the output with the lead screw seat is connected the drive the lead screw seat rebound, lower needle piece 221 sets up on the lead screw seat.

In this embodiment, a plurality of follower bearings 37 are disposed on inner sides of the two vertical pressing plates 34, the follower bearings 37 are matched with the jig 200, the mounting bottom plate 23 is provided with three motion sensors 28, and the moving plate 24 is provided with motion sensing pieces 29 matched with the three motion sensors 28. The number of the follower bearings 37 on the inner sides of the two vertical pressing plates 34 is five, so that two rows are ten; during testing, when the tool 200 is jacked up by the jacking carrier plate 211, two sides of the tool 200 will contact with two rows of the follower bearings 37, then the upper needle block 33 is pressed down to make the upper kelvin probes 36 contact with the upper ends of the products, the lower needle block 221 moves up to make the lower kelvin probes 224 contact with the lower ends of the products, so as to implement conduction testing of the products, because the upper array of one tool 200 is loaded with 216 products, one test can only conduct testing on 54 products on the tool 200, therefore, in order to complete the test of all the products on the tool 200, the test process needs to be shifted, after one test is completed, the upper needle block 33 and the lower needle block 221 are reset, the driving motor 25 drives the moving plate 24 to move to a set position along the conveying direction of the conveying line 100, and in the moving process, the jig 200 is still located between the jacking carrier plate 211 and the two rows of the follower bearings 37 but the position of the jig is moved relative to the upper pin block 33 and the lower pin block 221, then the upper pin block 33 and the lower pin block 221 act again to conduct a conduction test on a second batch of tested products, and then the operation is performed twice according to the steps, so that all the products can be tested, namely, four conduction tests are required; when the last batch of 54 products is tested, the upper needle block 33 and the lower needle block 221 are reset, the moving plate 24 is also reset under the driving of the driving motor 25, and the products on the next jig 200 are ready to be tested; the moving plate 24 is provided with the moving sensing piece 29 for matching with the three moving sensors 28 arranged on the mounting bottom plate 23, so that the moving distance and position of the moving plate 24 can be sensed, the moving of the moving plate 24 can be controlled, and the batch change test of the products on the jig 200 can be conveniently carried out.

In this embodiment, the two ends of the moving plate 24 are both provided with the mounting seats 217, the jacking cylinder 213 is disposed on the mounting seats 217, the mounting seats 217 are slidably provided with two guide shafts 218, the two guide shafts 218 are located on two sides of the jacking cylinder 213, the upper ends of the two guide shafts 218 are connected with the jacking carrier plate 211, the lower ends of the two guide shafts 218 penetrate through the mounting seats 217 and are provided with the follower plate 219, the follower plate 219 is provided with the height sensing piece 2110, one end of the moving plate 24 is provided with the mounting bar 2111, and the mounting bar 2111 is provided with two height sensors 2112 matched with the height sensing piece 2110. The two mounting seats 217 are positioned at two ends of the moving plate 24, the two jacking cylinders 213 are respectively arranged on the two mounting seats 217, the two guide shafts 218 are slidably arranged on the mounting seats 217 through two guide sleeves, the two guide shafts 218 can make the movement of the jacking carrier plate 211 smoother and smoother, the follower plate 219 is connected to lower ends of the two guide shafts 218, moves following the movement of the guide shafts 218, the follower plate 219 is provided with a relief hole for cooperating with the lift cylinder 213 to avoid interference, when the jacking cylinder 213 drives the jacking carrier plate 211 to move upwards, the guide shaft 218 and the follower plate 219 move upwards synchronously, the height sensing piece 2110 and the two height sensors 2112 are used for monitoring the rising of the jacking carrier plate 211, so that the height of the jacking carrier plate 211 can be controlled conveniently; in addition, a stopper is further disposed on the follow-up plate 219, and an upper end of the stopper is engaged with the mounting seat 217, so as to limit a driving stroke of the jacking cylinder 213, thereby controlling a maximum lifting height of the jacking carrier plate 211 and keeping the maximum lifting height within a reasonable range.

In this embodiment, the blocking cylinder 214 is disposed on the mounting seat 217 near the outflow direction of the conveying line 100, and the moving plate 24 is provided with two in-position sensors 2113, where the two in-position sensors 2113 are respectively located at two sides of the blocking cylinder 214. The blocking cylinder 214 is arranged on the mounting seat 217, so that the blocking plate 215 can more easily block the jig 200, the driving stroke of the blocking cylinder 214 is shortened, the structure is more compact, a proximity sensor is further arranged on the blocking plate 215 and used for sensing the position of the jig 200, so that a signal is fed back to the blocking cylinder 214 at a proper time, the blocking plate 215 is driven to ascend to block the jig 200, and the two in-place sensors 2113 are respectively used for sensing whether the jig 200 is located above the jacking carrier plate 211 (namely a test station) and whether the jig flows out of the test station, so that the proceeding of the next action is judged.

In this embodiment, each of the upper kevlar probe 36 and the lower kevlar probe 224 includes two test probes 300, a gap is provided between the two test probes 300, and one ends of the two test probes 300, which are matched with the jig 200, are both provided as inclined planes. The upper Kelvin probe 36 and the lower Kelvin probe 224 are both composed of two test probes 300, the connecting ends of the two test probes 300 are inclined planes, so that the two test probes can be inserted more easily, a guiding effect is achieved, a double-needle structure is adopted, two contact points are arranged in a product contact mode, the product can be ensured to be conducted, and stable testing is achieved. In addition, in the present invention, the pad point length × width of the product is 0.5 × 0.4mm, the gap between two of the test probes 300 is 0.1mm, and the tolerance analysis is: RSS. + -. 0.105, Worst Case. + -. 0.188, from the results of the tolerance analysis, the probe was still able to be stuck within the pad spot when Worst Case was considered. The Kelvin Probe is a Kelvin Probe (Kelvin Probe/Pitch Kelvin).

In this embodiment, the number of the fine positioning bushings 202 is sixteen, four of the fine positioning bushings are arranged at four corners of the jig 200 in a group, and the number of the coarse positioning bushings 201 is two, and the two coarse positioning bushings are respectively disposed at two sides of the jig 200. The number of the fine positioning bushings 202 on the jig 200 is sixteen, the number of the upper fine positioning pins 35 and the number of the lower fine positioning pins 222 are two, the two lower fine positioning pins 222 are respectively arranged at the lower left corner and the upper right corner of the upper end surface of the lower needle block 221, the two upper fine positioning pins 35 are respectively arranged at the upper left corner and the lower right corner of the lower end surface of the upper needle block 33, therefore, when the upper needle block 33 and the lower needle block 221 are matched with each other in each test, the two upper fine positioning pins 35 and the two lower fine positioning pins 222 are respectively embedded in four different fine positioning bushings 202, and when the same jig 200 is tested for four times, the two upper fine positioning pins 35 and the two lower fine positioning pins 222 are respectively embedded in different fine positioning bushings 202; the number of the coarse positioning bushings 201 is two and is respectively arranged at two sides of the jig 200, and correspondingly, the number of the coarse positioning pins 212 is also two and is respectively arranged at two sides of the upper end of the jacking carrier plate 211, so as to correspond to the two coarse positioning bushings 201.

In this embodiment, the mounting frame 31 includes two mounting vertical plates 311 disposed on the mounting base plate 23, the two mounting vertical plates 311 are respectively located at two sides of the conveyor line 100, a fixing transverse plate 312 is disposed on the two mounting vertical plates 311, an mounting transverse plate 313 is hinged to the fixing transverse plate 312, and the down-pressing cylinder 32 and the two vertical pressing plates 34 are respectively disposed at upper and lower ends of the mounting transverse plate 313. The mounting frame 31 comprises a fixed transverse plate 312, a mounting transverse plate 313 and two mounting vertical plates 311, the two mounting vertical plates 311 are positioned at two sides of the conveyor line 100, two ends of the fixed transverse plate 312 are respectively connected to the upper ends of the front sides of the two mounting vertical plates 311, one end of the mounting transverse plate 313 is hinged to the fixed transverse plate 312, so that the mounting transverse plate 313 can be turned over, two sides of the mounting transverse plate 313 are overlapped on the upper ends of the two mounting vertical plates 311 so as to be supported by the two mounting vertical plates 311, the pressing cylinder 32 and the two vertical pressing plates 34 are respectively arranged at the upper end and the lower end of the mounting transverse plate 313, when maintenance is needed, the mounting transverse plate 313 can be lifted, so that the maintenance on the jacking test module 2 is facilitated, the mounting transverse plate 313 can be fixed on the two mounting vertical plates 311 in a screw connection manner, thereby ensuring the stability of the overall structure when maintenance is not required.

The working principle of the invention is as follows: the jig 200 flows into the upper part of the jacking test module 2 from the conveying line 100, the proximity sensor senses the position of the jig 200 and then feeds information back to the blocking cylinder 214, the blocking cylinder 214 drives the blocking plate 215 to lift, and the jig 200 cannot move continuously under the blocking of the blocking plate 215; the two jacking cylinders 213 synchronously act to lift the jacking support plate 211, the two coarse positioning pins 212 on the jacking support plate 211 are inserted into the two coarse positioning bushings 201 of the jig 200, then the jacking support plate 211 continuously moves upwards to enable the jig 200 to be separated from the conveying line 100 and enable the upper end surface of the jig 200 to be abutted against the lower ends of the two rows of follower bearings 37, and at the moment, the jig 200 is clamped and fixed under the action of the jacking assembly and the follower bearings 37; when the first batch of products is tested, the lower air cylinder 32 drives the upper needle block 33 to move downwards, the upper needle block 33 is attached to the upper end face of the jig 200 through the embedding of the two upper fine positioning pins 35 and the two fine positioning bushings 202, the upper Kelvin probe 36 is in point contact with pad points at the upper end of the first batch of tested products, the jacking screw motor 223 drives the lower needle block 221 to move upwards, the upper needle block 33 is attached to the lower end face of the jig 200 through the embedding of the two lower fine positioning pins 222 and the two fine positioning bushings 202, the lower Kelvin probe 224 is in point contact with pad points at the lower end of the first batch of tested products, so that conduction is realized, the test is completed, the test of the first batch of products is completed, and the upper needle block 33 and the lower needle block 221 are reset; then the driving motor 25 drives, the moving plate 24 moves a set distance along the conveying direction of the conveying line 100, at this time, the jig 200 is driven by the jacking carrier plate 211 to synchronously move, due to the functional characteristics of the follower bearing 37, the jig 200 can smoothly move, then the second batch of product testing starts, and the action steps are consistent with those of the first batch of product testing; the third and fourth batch of product tests are carried out according to the steps; after the fourth batch of products is tested, the upper pin block 33 and the lower pin block 221 are reset, the jacking carrier plate 211 is reset, the jig 200 is reset on the conveying line 100, the blocking cylinder 214 retracts, the jig 200 is taken away by the conveying line 100, and the moving plate 24 is reset at the same time to prepare for testing products of the next jig 200.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not to be construed as limiting the meaning of the present invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims

1. The utility model provides an online testing arrangement, it includes transfer chain (100), is located jacking test module (2) and the test module (3) of pushing down of transfer chain (100) upper and lower place respectively, its characterized in that: placed at least one tool (200) on transfer chain (100), jacking test module (2) are including matched with tool climbing mechanism (21) and jacking accredited testing organization (22), be provided with thick locating pin (212) on jacking support plate (211) of tool climbing mechanism (21), thick locating pin (212) and setting are in thick locating bush (201) looks adaptation on tool (200), the lower needle piece (221) of jacking accredited testing organization (22) are located the below of jacking support plate (211) and pass jacking support plate (211) with tool (200) cooperate, be provided with down smart locating pin (222) on needle piece (221) down, smart locating pin (222) cooperate with smart locating bush (202) of setting on tool (200) down.

2. An online test device as claimed in claim 1, wherein: tool climbing mechanism (21) includes at least one jacking cylinder (213), jacking support plate (211) set up the output of jacking cylinder (213), one side of jacking cylinder (213) is provided with blocks cylinder (214), the output that blocks cylinder (214) is provided with barrier plate (215), barrier plate (215) pass jacking support plate (211) with tool (200) cooperate, jacking accredited testing organization (22) are including setting up jacking lead screw motor (223) that block one side of cylinder (214), needle piece (221) set up down on the action end of jacking lead screw motor (223), be provided with on needle piece (221) down a plurality of with tool (200) matched with lower kelvin probe (224).

3. An online test device as claimed in claim 2, wherein: the downward pressing test module (3) comprises an installation frame (31), a downward pressing cylinder (32), an upper needle block (33) and two vertical pressing plates (34), the downward pressing cylinder (32) is arranged on the installation frame (31), the output end of the downward pressing cylinder penetrates through the installation frame (31), the upper needle block (33) is arranged at the output end of the downward pressing cylinder (32), the two vertical pressing plates (34) are arranged at the lower end of the installation frame (31) and located on two sides of the upper needle block (33), the two vertical pressing plates (34) are matched with the jig (200), an upper fine positioning pin (35) matched with the fine positioning bushing (202) is arranged on the upper needle block (33), and a plurality of upper Kelvin probes (36) matched with the jig (200) are further arranged on the upper needle block (33).

4. An online test device as claimed in claim 3, wherein: jacking test module (2) still includes mounting plate (23), it is provided with movable plate (24) to slide on mounting plate (23), one side of movable plate (24) is provided with driving motor (25), driving motor (25) through lead screw drive assembly (26) with movable plate (24) are connected, abdication groove (27) have been seted up on movable plate (24), jacking lead screw motor (223) set up on mounting plate (23) and be located in abdication groove (27), the quantity of jacking cylinder (213) is two and sets up respectively in abdication groove (27) both sides on movable plate (24), the both ends of jacking support plate (211) are respectively with two the output of jacking cylinder (213) is connected, jacking groove (216) have been seted up on jacking support plate (211).

5. An online test device as claimed in claim 4, wherein: the inner sides of the two vertical pressing plates (34) are provided with a plurality of follow-up bearings (37), the follow-up bearings (37) are matched with the jig (200), the mounting bottom plate (23) is provided with three moving sensors (28), and the moving plate (24) is provided with three moving induction sheets (29) matched with the moving sensors (28).

6. An online test device as claimed in claim 5, wherein: the two ends of the moving plate (24) are provided with mounting seats (217), the jacking cylinder (213) is arranged on the mounting seats (217), the mounting seats (217) are provided with two guide shafts (218) in a sliding mode, the two guide shafts (218) are located on two sides of the jacking cylinder (213), the upper ends of the two guide shafts (218) are connected with the jacking support plate (211), the lower ends of the two guide shafts (218) penetrate through the mounting seats (217) and are provided with follow-up plates (219), the follow-up plates (219) are provided with height sensing pieces (2110), one end of the moving plate (24) is provided with a mounting strip (2111), and the mounting strip (2111) is provided with two height sensors (2112) matched with the height sensing pieces (2110).

7. An online test device as claimed in claim 6, wherein: the blocking cylinder (214) is arranged on the mounting seat (217) close to the outflow direction of the conveying line (100), two in-place sensors (2113) are arranged on the moving plate (24), and the two in-place sensors (2113) are respectively located on two sides of the blocking cylinder (214).

8. An online test device as claimed in claim 3, wherein: the upper Kelvin probe (36) and the lower Kelvin probe (224) both comprise two testing probes (300), a gap is formed between the two testing probes (300), and one ends of the two testing probes (300) and one ends of the jig (200) which are matched are both inclined planes.

9. An online test device as claimed in claim 1, wherein: the number of the fine positioning bushings (202) is sixteen, four fine positioning bushings are arranged at four corners of the jig (200) in a group, and the number of the coarse positioning bushings (201) is two, and the two coarse positioning bushings are respectively arranged at two sides of the jig (200).

10. An online test device as claimed in claim 4, wherein: the mounting frame (31) comprises two mounting vertical plates (311) arranged on the mounting bottom plate (23), the two mounting vertical plates (311) are respectively located on two sides of the conveying line (100), a fixing transverse plate (312) is arranged on the two mounting vertical plates (311), a mounting transverse plate (313) is hinged to the fixing transverse plate (312), and the pressing cylinder (32) and the two vertical pressing plates (34) are respectively arranged at the upper end and the lower end of the mounting transverse plate (313).