CN217360161U - Manual batch test tool for graphic instrument - Google Patents

Abstract

The utility model belongs to the technical field of semiconductor detection, in particular to a manual batch test tool for a graphic instrument, which comprises a graphic instrument and a detection table, wherein the graphic instrument is provided with a test line A and a test line B, the detection table is provided with a probe card and a driving mechanism for driving the probe card to lift, one side of the probe card, which faces the detection table, is fixedly provided with a plurality of test probes, the test probes are all connected with the test line A, and the test line B is connected with a test pen; the detection table is further provided with a placing plate, a placing groove used for placing a material pipe provided with a product is formed in the placing plate, and a radiating fin groove and a pin groove are formed in the top wall of the material pipe. The utility model discloses in, a plurality of test probes pass through the fin contact that corresponds the product in fin groove and the material pipe, and the test pen passes through the pin contact of pin groove and corresponding product, realizes the batch test of product, effectively improves efficiency of software testing, need not the tester and takes out the product from the material pipe to avoided the product to suffer the damage at the transfer with putting the in-process.

Description

Manual batch test tool for graphic instrument

Technical Field

The utility model belongs to the technical field of the semiconductor detects, concretely relates to manual batch test frock of graphic plotter.

Background

At present, a waveform test is generally carried out on a TO-263 packaged product and the like by using a graphic instrument device so as TO judge whether the tested product is qualified. In the using process of the traditional manual graphic instrument, a product to be tested needs to be placed in a testing mold (a testing sheet connected with a test line of the graphic instrument is arranged in the testing mold and is in contact with a corresponding pin), and then the graphic instrument is started to supply certain voltage or current to the test mold, so that the waveform of the product is displayed on a display screen of the graphic instrument, and whether the product is qualified or not is judged through analysis of the waveform. However, because the test mold only has one test position, the traditional manual graphic instrument can only test a single product at a time, and the problem of low test efficiency exists. Moreover, because the product that awaits measuring is originally placed in the material pipe (the material pipe is the article of placing the product specially for, can place 50 products in succession in a material pipe usually, and 50 products arrange along the axial of material pipe in proper order), consequently, still need the manual product that awaits measuring in the material pipe of testing personnel to take out before the test, and put the product back in the material pipe after the test again, operating procedure is more, and the product probably drops in the transfer process, it is out of shape to appear the pin by the striking and causes scrapping scheduling problem, and the product is also easily suffered the damage at the in-process of putting, reduce the product yield.

SUMMERY OF THE UTILITY MODEL

The utility model provides a manual batch test frock of graphic instrument to solve the problem that traditional manual graphic instrument equipment efficiency of software testing is low.

In order to achieve the above purpose, the utility model discloses a scheme does: the manual batch test tool for the graphic instruments comprises the graphic instruments and a test table, wherein each graphic instrument is provided with a test line A and a test line B, a probe board and a driving mechanism for driving the probe board to ascend and descend are arranged on the test table, a plurality of test probes are fixedly mounted on one side, facing the test table, of the probe board, the test probes are all connected with the test line A of the graphic instruments, and the test line B of the graphic instruments is connected with a test pen; the detection table is further provided with a placing plate, a placing groove used for placing a material pipe provided with a product is formed in the placing plate, and a radiating fin groove exposing a radiating fin of the product and a pin groove exposing pins of the product are formed in the top wall of the material pipe.

The working principle and the beneficial effects of the scheme are as follows: in this scheme, fin groove and pin groove have been seted up to the roof of material pipe, thereby expose the fin and the pin of product, so that test probe can be through the fin contact of fin groove with the product under actuating mechanism's drive, simultaneously tester can make the pin contact of test pen and product through the pin groove, the realization is to the test of product, and, because test probe's quantity is a plurality of, consequently, only need tester to remove test pen can realize testing all products in the material pipe, this scheme can realize the batch test of product, effectively improved product test efficiency, need not tester and take out the product from the material pipe and test, thereby avoided the product to suffer the damage at the in-process that shifts and put, ensured the product yield.

Optionally, the placing plate is horizontally and slidably connected to the testing platform, the sliding direction of the placing plate on the testing platform is perpendicular to the length direction of the probe card, and the number of the placing grooves is multiple.

In this scheme, place and to place a plurality of material pipes on the board, and place the board and can slide on examining test table to move the material pipe that will await measuring to test position (test probe below), and will accomplish the material pipe of test and move to non-test position, so that the tester takes out this material pipe, thereby shortens test interval time, further improves efficiency of software testing.

Optionally, a plurality of positioning clamping grooves are formed in the side wall of the placing plate, a fixing plate is arranged on the detection table, a positioning column used for being matched with the positioning clamping grooves is horizontally and slidably connected to the fixing plate, and when the positioning column is clamped into the positioning clamping grooves, the radiating fin grooves of the material pipe are located under the test probes.

In this scheme, utilize reference column and positioning channel's agree with, realize the quick location of material pipe, avoid the tester to consume the position that the board was placed in order to make the material pipe be located test position (test probe below) of time adjustment, save time improves efficiency of software testing to avoid placing the board and take place to remove in the testing process.

Optionally, a sliding block is arranged on the bottom surface of the placing plate, a sliding rail is arranged on the detection table, and a sliding groove in sliding fit with the sliding rail is formed in the bottom surface of the sliding block.

In this scheme, through the sliding fit of slide rail and spout, realize placing board sliding connection and examine test table on, and ensure that the slip direction of placing the board can not take place the skew.

Optionally, a rack is fixedly mounted on the detection table, the driving mechanism comprises a transverse plate and a plurality of elastic pieces, the transverse plate is fixedly connected to the rack, the transverse plate is located above the probe board, the top end of each elastic piece is connected with the transverse plate, and the bottom end of each elastic piece is connected with the probe board.

In this scheme, when the material pipe was located the test position, the tester pushed down the probe card, realized the contact of test probe and fin, and after accomplishing the test, the tester released the probe card, and the probe card resets under the effect of elastic component to realize the lift of probe card.

Optionally, a limiting column is fixedly connected to the probe plate, a limiting hole for the limiting column to penetrate through is formed in the transverse plate, and the diameter of the limiting hole is equal to the diameter of the limiting column.

In this scheme, utilize the cooperation in spacing post and spacing hole, ensure that the probe card can not take place the skew at the lift in-process to ensure that the test probe can smoothly contact with the fin of material pipe in the product.

Optionally, the transverse plate is provided with a threaded hole, the threaded hole is in threaded connection with a vertically arranged threaded rod, and the bottom end of the threaded rod abuts against the probe plate.

In this scheme, utilize the screw-thread fit of threaded rod and screw hole, rotate the lift that the probe card can be realized to the threaded rod to tester's hand can be released, the tester is avoided pressing the probe card all the time in the testing process.

Optionally, a rack is fixedly mounted on the detection table, the driving mechanism is a hydraulic cylinder or an air cylinder, and an output end of the driving mechanism is connected with the probe card.

In this scheme, when actuating mechanism was pneumatic cylinder or cylinder, avoided the tester manual drive probe card to go up and down, reduced tester's work load.

Optionally, the ends of the standing groove are provided with sunken cavities.

In this scheme, the tip of standing groove has the chamber that caves in, and after the material pipe accomplished the test, presses the one end of material pipe, the tip of material pipe can be caved in the chamber that caves in, and the other end perk that makes things convenient for the tester to take out the material pipe from the standing groove in.

Optionally, the number of the test probes is 50.

In this scheme, when the quantity of test probe was 50, just in time with the product maximum quantity that can place in the material pipe the same to make the fin homoenergetic of all products in the material pipe and the test probe contact that corresponds.

Drawings

Fig. 1 is a front view of a manual batch test fixture of a graphic instrument according to a first embodiment of the present invention;

FIG. 2 is a top view of the placement plate of FIG. 1;

FIG. 3 is a plan view of the placing plate when the material tube is placed in the placing groove;

FIG. 4 is an enlarged view of A in FIG. 3;

FIG. 5 is a right side cross-sectional view of the feed tube of FIG. 4;

fig. 6 is a front view of a manual batch test fixture of a graphic instrument according to a second embodiment of the present invention;

fig. 7 is a top view of a third embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

the reference numbers in the drawings of the specification include: the tester comprises a graphic instrument 1, a detection table 2, a test pen 3, a frame 4, a probe board 5, a hydraulic cylinder 6, a test probe 7, a copper sheet 8, a placing board 9, a positioning clamping groove 901, a sliding block 10, a sliding rail 11, a placing groove 12, a sinking cavity 121, a material pipe 13, a radiating fin groove 131, a pin groove 132, an accommodating cavity 133, a first limiting fin 134, a second limiting fin 135, a third limiting fin 136, a plugging piece 14, a fixing plate 15, a positioning column 16, a packaging body 17, a first pin 171, a second pin 172, a third pin 173, a radiating fin 174, a transverse plate 18, an elastic piece 19, a threaded rod 20 and a limiting column 21.

Example one

This embodiment is substantially as shown in fig. 1, 2 and 3: manual batch test frock of graphic display appearance, including graphic display appearance 1 with examine test table 2, graphic display appearance 1 has test wire A and test wire B, and test wire B is connected with test pen 3 to make test pen 3 insert graphic display appearance 1. Be equipped with frame 4, probe card 5 and be used for driving the actuating mechanism that probe card 5 goes up and down on examining test table 2, actuating mechanism is pneumatic cylinder 6 or cylinder, and in this embodiment, actuating mechanism is pneumatic cylinder 6, and pneumatic cylinder 6 has used bolt fixed mounting in frame 4, and the output and the probe card 5 fixed connection of pneumatic cylinder 6. The bottom surface of the probe board 5 is fixedly provided with a plurality of test probes 7, the test probes 7 are all connected with a test line A of the graphic instrument 1, specifically, the bottom surface of the probe board 5 is fixedly provided with a copper sheet 8, the top ends of the test probes 7 are all welded with the copper sheet 8, and the test line A is connected with the end part of the copper sheet 8, so that all the test probes 7 are connected to the graphic instrument 1. The distance between two adjacent test probes 7 is equal to the distance between the central points of two adjacent product fins 174 in the tube 13, so as to ensure that one test probe 7 is in contact with the fin 174 of one product. In addition, since the maximum number of products that can be placed in the material tube 13 is 50, the number of the test probes 7 on the probe card 5 is 50 in this embodiment.

Still be equipped with on examining test table 2 and place board 9, place board 9 horizontal sliding connection on examining test table 2, specifically, place the bottom surface fixedly connected with slider 10 of board 9, the welding has slide rail 11 on examining test table 2, the bottom surface of slider 10 seted up with slide rail 11 sliding fit's spout, the length direction of slide rail 11 is mutually perpendicular with the length direction of probe card 5 to the messenger places the length direction of board 9 mutually perpendicular with probe card 5. The placing plate 9 is provided with a plurality of placing grooves 12 for placing material pipes 13 filled with products, and in this embodiment, the number of the placing grooves 12 is three. The structure of the material tube 13 is shown in fig. 4 and 5, a heat dissipation sheet groove 131 exposing a product heat dissipation sheet 174 and a pin groove 132 exposing product pins are formed on the top wall of the material tube 13, the material tube 13 is made of transparent plastic, the material tube 13 is provided with a containing cavity 133 for placing a product, the height of the containing cavity 133 is equal to or slightly greater than the height of the product, three limiting sheets are integrally formed in the containing cavity 133, the three limiting sheets are respectively a first limiting sheet 134, spacing piece 135 of second and the spacing piece 136 of third, first spacing piece 134 and the spacing piece 135 of second are located and hold the chamber 133 diapire, and the spacing piece 136 of third is located and holds the chamber 133 roof, and the interval between the spacing piece 134 of first spacing piece 134 and the spacing piece 135 of second equals the width of product, and the clearance between the spacing piece 134 of first spacing piece 134 and the spacing piece 136 of third supplies the pin of product to stretch out, so, the product can arrange in proper order in the chamber 133 that holds of material pipe 13. In addition, the containing cavity 133 is blocked at two ends of the material pipe 13 by using the blocking pieces 14, so that the product in the material pipe 13 is prevented from sliding out.

A plurality of positioning clamping grooves 901 are formed in the left side wall and the right side wall of the placing plate 9, the number of each positioning clamping groove 901 is the same as that of the placing groove 12, a fixing plate 15 is fixedly mounted on the detection table 2, a horizontal slide rail on the fixing plate 15 is connected with positioning columns 16 matched with the positioning clamping grooves 901, and specifically, transverse through holes for the positioning columns 16 to horizontally slide are formed in the fixing plate 15. When the positioning column 16 is clamped into the positioning clamping groove 901, the fin groove 131 of the material tube 13 corresponding to the positioning clamping groove 901 is located right below the test probe 7, that is, the material tube 13 corresponding to the positioning column 16 is located at the test position.

In specific use, taking the TO-263 package product as an example, as shown in fig. 4, the TO-263 package product includes a package body 17, the package body 17 has three pins, which are a first pin 171, a second pin 172 and a third pin 173, respectively, the back of the package body 17 has a heat sink 174, and the heat sink 174 is connected TO the second pin 172. After the TO-263 packaged product is loaded into the feeding tube 13, as shown in fig. 4 and 5, the heat sink 174 of the TO-263 packaged product is exposed through the heat sink groove 131, and the first lead 171, the second lead 172, and the third lead 173 of the TO-263 packaged product are exposed through the lead groove 132.

During testing, the three material tubes 13 are respectively placed into the three placing grooves 12, the positioning columns 16 are clamped into the positioning clamping grooves 901 in the first row, the radiating fin grooves 131 of the material tubes 13 in the first row are located right below the test probes 7, namely, the material tubes 13 in the first row are located at the test positions, the hydraulic cylinder 6 is started, the hydraulic cylinder 6 drives the probe board 5 to move downwards until the bottom ends of the test probes 7 are in contact with the radiating fins 174 of the product through the radiating fin grooves 131, and then the hydraulic cylinder 6 stops pressing the probe board 5 downwards. Subsequently, the tester holds the test pen 3 by hand, and contacts the test pen 3 with the first pin 171 or the third pin 173 of the corresponding product through the pin slot 132, at this time, the waveform of the product is displayed on the display screen of the graphic instrument 1, and whether the product is qualified is determined by analyzing the waveform. In the process, a tester holds the test pen 3 by hand, can test all the products in the material pipe 13, and can randomly select a plurality of products in the material pipe 13 for testing, namely, sampling test.

After the test on the product in the material tube 13 in the first row is completed, the hydraulic cylinder 6 is started, the hydraulic cylinder 6 drives the probe card 5 to move upward for resetting, so as to reset the test probe 7, then the tester pulls the positioning column 16 outward, so that the positioning column 16 slides outward (in a direction away from the placing plate 9), the positioning column 16 is separated from the positioning slot 901, the tester slides the placing plate 9, so that the material tube 13 in the second row moves to the lower side of the probe card 5, then, the tester pushes back the positioning column 16, so that the positioning column 16 slides inward (in a direction close to the placing plate 9), and simultaneously, the tester finely adjusts the position of the placing plate 9, so that the positioning column 16 is clamped into the positioning slot 901 in the second row, so that the material tube 13 in the second row is located in the test position, finally, the hydraulic cylinder 6 is started again, and the probe card 5 moves downward again, until the test probes 7 come into contact with the fins 174 of the product located in the second row of tubes 13, so that the tester can test the product located in the second row of tubes 13. And the material pipe 13 in the first row moves to a non-testing position, is taken away by a tester, and is replaced with other material pipes 13 containing products to be tested.

Repeated operation so, can test the product in the material pipe 13 on placing the board 9 in succession to realize the batch test of product, effectively improve efficiency of software testing, avoid the tester to take out the product from material pipe 13, also avoided the tester to load into material pipe 13 with the product after testing again, when reducing tester work load, avoided the product to suffer the damage at the transfer and putting in-process, ensured the product yield.

Example two

The present embodiment is different from the first embodiment in that: the driving mechanism in this embodiment is different from the driving mechanism in the first embodiment, as shown in fig. 6, the driving mechanism in this embodiment includes a transverse plate 18 and a plurality of elastic members 19, the transverse plate 18 is located above the probe board 5, the left end of the transverse plate 18 is fixedly connected to the frame 4, the transverse plate 18 is provided with a threaded hole, the threaded hole is in threaded connection with a threaded rod 20, the bottom end of the threaded rod 20 abuts against the upper surface of the probe board 5 (the bottom end of the threaded rod 20 is not connected to the probe board 5), the top end of the elastic member 19 is connected to the bottom surface of the transverse plate 18, the bottom end of the elastic member 19 is connected to the upper surface of the probe board 5, and in this embodiment, the elastic member 19 is a telescopic spring.

The upper surface of probe card 5 is fixedly connected with spacing post 21, and the quantity of elastic component 19 and spacing post 21 is two, sets up the spacing hole that supplies spacing post 21 to run through on the diaphragm 18, and the aperture in spacing hole equals the diameter of spacing post 21 to ensure that probe card 5 can not take place the skew at the lift in-process.

In this embodiment, when the material tube 13 is located at the testing position, the tester rotates the threaded rod 20 clockwise, so that the threaded rod 20 moves downward while rotating, and the probe card 5 moves downward until the test probe 7 contacts with the heat sink 174 of the product in the material tube 13, and the tester does not rotate the threaded rod 20 any more, and at this time, the probe card 5 is stationary, and the test probe 7 always contacts with the heat sink 174 of the product in the material tube 13. Then, the tester holds the test pen 3 by hand to test the product in the material pipe 13. After the test is finished, a tester rotates the threaded rod 20 anticlockwise, so that the threaded rod 20 moves upwards to reset while rotating, and the probe plate 5 moves upwards to reset under the action of the elastic piece 19, so that the tester moves the next material pipe 13 to be tested to a test position. Therefore, the driving mechanism in the embodiment is of a pure mechanical structure, is simple in structure, does not need to use a control circuit, and is convenient for testers to overhaul the driving mechanism.

EXAMPLE III

The present embodiment is different from the first embodiment in that: referring to fig. 7, the end of the placing groove 12 in this embodiment is provided with a sunken cavity 121, so that when a tester takes out the material pipe 13 in the placing groove 12, the left end (or right end) of the material pipe 13 is pressed, the left end (or right end) of the material pipe 13 is sunken in the sunken cavity 121, and the right end (or left end) of the material pipe 13 is tilted upwards, so that the tester can take out the material pipe 13 conveniently.

The above are only embodiments of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the scheme is not described too much, and those skilled in the art know the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become the obstacles for those skilled in the art to implement the present application. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. Manual batch test frock of graphic display appearance, including the graphic display appearance and examining test table, the graphic display appearance has testline A and testline B, its characterized in that: the detection platform is provided with a probe plate and a driving mechanism for driving the probe plate to lift, one side of the probe plate, which faces the detection platform, is fixedly provided with a plurality of test probes, the test probes are all connected with a test line A of the graphic instrument, and a test line B of the graphic instrument is connected with a test pen; the detection table is further provided with a placing plate, a placing groove used for placing a material pipe provided with a product is formed in the placing plate, and a radiating fin groove exposing a radiating fin of the product and a pin groove exposing pins of the product are formed in the top wall of the material pipe.

2. The manual batch testing tool of graphic instrument of claim 1, characterized in that: the placing plates are horizontally connected to the detection platform in a sliding mode, the sliding direction of the placing plates on the detection platform is perpendicular to the length direction of the probe plate, and the number of the placing grooves is multiple.

3. The manual batch testing tool of the graphic instrument according to claim 2, characterized in that: the lateral wall of placing the board has seted up a plurality of positioning channel, is equipped with the fixed plate on the test table, and horizontal sliding connection has the reference column that is used for agreeing with mutually with positioning channel on the fixed plate, when positioning channel was gone into to the reference column card, the fin groove of material pipe was located under the test probe.

4. The manual batch testing tool of the graphic instrument according to claim 2, characterized in that: the bottom surface of placing the board is equipped with the slider, examine and be equipped with the slide rail on the platform, the bottom surface of slider is seted up with slide rail sliding fit's spout.

5. The manual batch testing tool of graphic instrument of claim 1, characterized in that: the probe card detection device is characterized in that a rack is fixedly mounted on the detection table, the driving mechanism comprises a transverse plate and a plurality of elastic pieces, the transverse plate is fixedly connected to the rack, the transverse plate is located above the probe card, the top end of each elastic piece is connected with the transverse plate, and the bottom end of each elastic piece is connected with the probe card.

6. The manual batch testing tool of the graphic instrument according to claim 5, characterized in that: the probe plate is fixedly connected with a limiting column, a limiting hole for the limiting column to penetrate through is formed in the transverse plate, and the diameter of the limiting hole is equal to the diameter of the limiting column.

7. The manual batch test fixture of graphic instrument of claim 6, characterized in that: the transverse plate is provided with a threaded hole, the threaded hole is in threaded connection with a vertically arranged threaded rod, and the bottom end of the threaded rod abuts against the probe plate.

8. The manual batch test fixture of graphic instrument of claim 1, characterized in that: the detection table is fixedly provided with a rack, the driving mechanism is a hydraulic cylinder or an air cylinder, and the output end of the driving mechanism is connected with the probe plate.

9. The manual batch testing tool of graphic instrument of claim 1, characterized in that: the end part of the placing groove is provided with a sinking cavity.

10. The manual batch testing tool of graphic instrument of claim 1, characterized in that: the number of the test probes is 50.

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