CN220092187U

CN220092187U - Automatic high-low temperature test equipment for electronic components

Info

Publication number: CN220092187U
Application number: CN202321363013.6U
Authority: CN
Inventors: 廖从勇; 张荣荣; 周发
Original assignee: China Zhenhua Group Yongguang Electronics Coltd
Current assignee: China Zhenhua Group Yongguang Electronics Coltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-11-28
Anticipated expiration: 2033-05-31

Abstract

The utility model provides automatic high-low temperature test equipment for electronic components, which comprises a high-low temperature box; according to the utility model, high-low temperature tests of more devices can be simultaneously carried out through the stacked storage discs, and the loading and unloading mechanism can effectively realize the automation of the high-low temperature test procedure of the product, effectively reduce the labor intensity of staff, improve the production efficiency and reduce the production cost. The product is immediately subjected to the electric parameter test when the discharge port discharges, so that the electric parameter test deviation caused by the temperature change of the product in the process of manually taking out the electric parameter test procedure is avoided, the timeliness and the accuracy of the product test after the temperature cycle test are effectively improved, and the consistency and the stability of the product are ensured.

Description

Automatic high-low temperature test equipment for electronic components

Technical Field

The utility model relates to automatic high-low temperature test equipment for electronic components.

Background

The high-low temperature test of the component product is divided into two manual operation parts, the product is firstly put into a high-low temperature box for storage, and after the specified time is reached, the product is quickly taken out and subjected to corresponding electrical parameter test. The whole process has multiple steps, the temperature of the product changes rapidly in the process from the high-low temperature box to the electrical parameter test, the test parameters are affected, the production and assembly efficiency is low according to the method, the consistency and stability of the product cannot be ensured, the production progress of the product is affected, and the production bottleneck of the process is formed.

The chip high-low temperature testing device disclosed in the publication No. CN218824572U can test a large number of chips at one time by placing a plurality of placing plates in the device and adjusting the temperature inside the device through infrared heating and a condenser. However, any manual operation is needed in the up-and-down process of placing the board, and the product cannot be tested at the first time after being taken out of the device, so that the temperature of the product is changed during testing, and the testing precision is low.

Disclosure of Invention

In order to solve the technical problems, the utility model provides automatic high-low temperature testing equipment for electronic components.

The utility model is realized by the following technical scheme.

The utility model provides automatic high-low temperature test equipment for electronic components, which comprises a high-low temperature box; the storage discs are installed in the high-low temperature box, the storage discs are fixed at the lower end of the rotating shaft at equal intervals, the upper end of the rotating shaft extends out of the top of the high-low temperature box and is connected with an output shaft of a rotating motor, the rotating motor is fixed on a moving plate, the moving plate is installed on a vertical displacement mechanism, the vertical displacement mechanism is fixed on a supporting plate, the supporting plate is vertically fixed on the top of the high-low temperature box, two opposite outer ends of the high-low temperature box are respectively provided with a material hole, a feeding track and a discharging track extend into the high-low temperature box through the material holes, square through grooves are formed in central lines of the feeding track and the discharging track, a feeding mechanism is installed on the feeding track, a testing mechanism and a discharging mechanism are arranged on the discharging track, and the testing mechanism is fixed on the side wall of the high-low temperature box.

The feeding mechanism comprises a push rod, a feeding cylinder and a feeding bin, wherein the feeding bin is fixed at the top of a feeding track, the upper end and the lower end of the feeding bin are both openings, a plurality of product boxes are horizontally stacked in the feeding bin, the push rod is arranged in a trapezoid groove machined in the bottom of the feeding track, the feeding cylinder is arranged at the bottom of the feeding track and under the feeding bin, an extension rod of the feeding cylinder is fixed at the center of the lower end of a synchronous plate, a jacking rod is vertically fixed on four corners of the upper end of the synchronous plate respectively, and the jacking rod penetrates through the bottom of the feeding track and contacts with the product boxes in the feeding bin.

The trapezoid groove is a trapezoid groove, the upper part of the push rod is square, and the lower part of the push rod is trapezoid with the same cross section shape as the trapezoid groove.

A plurality of observation holes are uniformly formed in one side surface of the feeding bin.

The blanking mechanism comprises a blanking cylinder, a blanking box and a pull rod, wherein the blanking box is fixed on a blanking track, the upper side and the lower side of the blanking box are both provided with openings, a plurality of ejection elastic pieces are evenly arranged at the bottom of the inner wall of the blanking box in an inverted mode, the pull rod is arranged in a trapezoid groove processed at the bottom of the blanking track and is identical to the trapezoid groove in cross section, the blanking cylinder is fixed at the bottom of the blanking track and right below the blanking box, an extension rod of the blanking cylinder is fixed at the center of a synchronous plate, an ejection rod is vertically fixed on four corners of the upper end of the synchronous plate, and the ejection rod penetrates through the bottom of the blanking track and extends into the blanking box at the top.

An elastic piece groove is formed in one end, adjacent to the storage disc, of the pull rod, and a pulling elastic piece is arranged in the elastic piece groove.

The testing mechanism comprises a transposition air cylinder and an adapter plate, wherein the transposition air cylinder is fixed on the side surface of a guide cylinder, the guide cylinder is transversely fixed on the outer wall of a high-low temperature box, a guide hole is transversely machined on the side surface of the guide cylinder, a connecting plate is vertically fixed on the side surface of the adapter plate and extends into the guide cylinder through the guide hole to be connected with the extending end of the transposition air cylinder, a material sucking air cylinder and a testing air cylinder are respectively fixed at the bottom of the side surface of the adapter plate at equal heights, an extending rod of the material sucking air cylinder and the testing air cylinder is fixedly connected with a mounting plate, and a discharging suction nozzle and a testing probe are respectively mounted on the two mounting plates.

The storage disc is characterized in that a shaft hole is formed in the center of the storage disc, a plurality of storage grooves which are not intersected and have the same radial angle with the storage disc are uniformly formed in the end face of the storage disc, an outer opening is formed in the edge of the storage disc, a discharging groove is formed in the bottom of the storage groove along the center line direction of the storage groove, and the tail end of the discharging groove extends into the groove wall of the storage groove.

The edges of the feeding track and the discharging track, which are adjacent to the storage disc, are provided with arc-shaped notches, and the radial angles of the feeding track and the discharging track with the storage disc are the same as the angle of the storage groove.

The sealing cylinder is fixed on the outer wall of the high-low temperature box above the material hole, and a sealing plate is fixed on an extending rod of the sealing cylinder, and the width of the sealing plate is the same as that of the square through groove.

The utility model has the beneficial effects that: the stacked storage discs can be used for simultaneously testing high and low temperatures of more devices, and the loading and unloading mechanism can effectively realize the automation of the high and low temperature testing procedures of products, effectively reduce the labor intensity of workers, improve the production efficiency and reduce the production cost. The product is immediately subjected to the electric parameter test when the discharge port discharges, so that the electric parameter test deviation caused by the temperature change of the product in the process of manually taking out the electric parameter test procedure is avoided, the timeliness and the accuracy of the product test after the temperature cycle test are effectively improved, and the consistency and the stability of the product are ensured.

Drawings

FIG. 1 is a schematic view of the structure of the high-low temperature box of the present utility model;

FIG. 2 is a schematic diagram of a storage tray and loading and unloading track structure of the present utility model;

FIG. 3 is a schematic diagram of a loading mechanism according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the blanking mechanism of the present utility model;

FIG. 5 is a schematic view of the structure of the present utility model shown in FIG. 6, partially enlarged at A;

FIG. 6 is a schematic diagram of the detection mechanism of the present utility model;

FIG. 7 is a schematic view of the structure of the assembled product of the product cartridge of the present utility model;

FIG. 8 is a schematic view of the structure of the storage tank on the turntable of the present utility model;

in the figure: the high-low temperature box comprises a 1-high-low temperature box body, a 11-maintenance door, a 12-sealing cylinder, a 13-sealing plate, a 2-feeding mechanism, a 21-feeding track, a 211-trapezoid groove, a 22-push rod, a 221-square rod, a 222-trapezoid rod, a 223-push block, a 23-first support rod, a 24-feeding cylinder, a 25-synchronous plate, a 26-ejection rod, a 27-feeding bin, a 28-feeding opening, a 29-observation hole, a 3-storage disc displacement mechanism, a 31-vertical displacement mechanism, a 32-rotating shaft, a 33-support plate, a 34-rotating motor, a 35-moving plate, a 4-testing mechanism, a 41-transposition cylinder, a 42-guide cylinder, a 43-testing probe, a 44-suction cylinder, a 45-mounting plate, a 46-blanking nozzle, a 47-testing cylinder, a 48-push plate, a 5-blanking mechanism, a 51-blanking track, a 52-second support rod, a 53-ejection spring plate, a 54-blanking cylinder, a 55-blanking box, a 56-pull rod, a 57-spring plate, a 58-pull plate, a storage disc, a 6-spring plate, a 61-storage disc, a 62-storage disc, a 62-7-lower bearing groove, an arc-shaped groove and an arc-shaped groove.

Detailed Description

The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.

As shown in fig. 1, the automatic high-low temperature test equipment for the electronic components is characterized in that the automatic loading, high-low temperature storage, testing and discharging integrated automatic test structure of products is completed through action cooperation and cooperation among a plurality of sets of mechanical transmission devices. The device comprises a feeding mechanism, a high-low temperature box, a storage turntable, a sealing device, a storage turntable up-down rotation integrated mechanism, a discharging mechanism, an electric parameter testing and sorting module and the like. The automatic high-low temperature testing device can effectively realize the automation of high-low temperature testing procedures of products, effectively reduce the labor intensity of workers, improve the production efficiency and reduce the production cost. The product is immediately subjected to the electric parameter test when the discharge port discharges, so that the electric parameter test deviation caused by the temperature change of the product in the process of manually taking out the electric parameter test procedure is avoided, the timeliness and the accuracy of the product test after the temperature cycle test are effectively improved, and the consistency and the stability of the product are ensured. Comprises a high-low temperature box 1, wherein heating components such as heating wires are embedded on the side wall of the high-low temperature box 1; the storage discs 6 are arranged in the high-low temperature box 1 and are used for placing the product boxes 7, the storage discs 6 are fixed at the lower end of the rotating shaft 32 at equal intervals, the upper end of the rotating shaft 32 extends out of the top of the high-low temperature box 1 and is connected with the output shaft of the rotating motor 34, the rotating shaft is driven by the rotating motor, the storage discs are rotated, and the openings of the storage grooves on the rotating discs are connected to the feeding track 21 and the discharging track 51 in an abutting mode. The rotating motor 34 is fixed on the moving plate 35, the moving plate 35 is arranged on the vertical displacement mechanism 31, the vertical displacement mechanism 31 is fixed on the supporting plate 33, the supporting plate 33 is vertically fixed at the top of the high-low temperature box 1, the vertical displacement mechanism can use a screw rod lifter, the screw rod lifter can adjust the height of the storage disc through the rotation number of turns of the motor, and the rotating discs with different heights can be butted on a track to carry out material loading and unloading.

As shown in fig. 3, the feeding mechanism 2 on the feeding track 21 comprises a push rod 22, a feeding cylinder 24 and a feeding bin 27, the feeding bin 27 is fixed at the top of the feeding track 21, the upper end and the lower end of the feeding bin 27 are both openings, a plurality of product boxes 7 are horizontally stacked in the feeding bin 27, the push rod 22 is arranged in a trapezoid slot 211 processed at the bottom of the feeding track 21, the feeding cylinder 24 is arranged at the bottom of the feeding track 21 and right below the feeding bin 27, an extending rod of the feeding cylinder 24 is fixed at the center of the lower end of the synchronous plate 25, a jacking rod 26 is vertically fixed at four corners of the upper end of the synchronous plate 25, and the jacking rod 26 penetrates through the bottom of the feeding track 21 and contacts with the product boxes 7 in the feeding bin 27 at the top. The manual work is put into last feed bin 27 with product box 7, and the quantity of placing can be decided according to the demand, and the push rod position is in the feed bin right-hand member this moment, and jacking cylinder shrink, and liftout pole 26 falls the product box to on the guide rail, and high low temperature case import sealing device cylinder rises, and the push rod work pushes the product box on the circulation incasement carousel, accomplishes the material loading work.

The trapezoid slot 211 is a trapezoid slot, the upper part of the push rod 22 is square, and the lower part of the push rod is trapezoid with the same cross section shape as the trapezoid slot 211.

A plurality of observation holes 29 are uniformly formed in one side surface of the upper bin 27.

As shown in fig. 4, the blanking mechanism 5 includes a blanking cylinder 54, a blanking box 55, and a pull rod 56, the blanking box 55 is fixed on the blanking track 51, the upper and lower sides and one side of the blanking box 55 are both open, a plurality of ejector elastic pieces 53 are uniformly poured on the bottom of the inner wall of the blanking box 55, the pull rod 56 is disposed in a trapezoid slot 211 processed on the bottom of the blanking track 51 and has the same cross-section shape as the trapezoid slot 211, the blanking cylinder 54 is fixed on the bottom of the blanking track 51 and under the blanking box 55, the extension rod of the blanking cylinder 54 is fixed at the center of the synchronizing plate 25, one ejector rod 26 is vertically fixed on four corners of the upper end of the synchronizing plate 25, and the ejector rod 26 penetrates through the bottom of the blanking track 51 and the top extends into the blanking box 55. When the material is discharged, the pull rod stretches into the discharging groove on the rotary table to pull the product box out of the position of the discharging opening of the rotary table to the lower part of the testing mechanism, after the testing is finished, the discharging guide rail conveys the product box to the lower part of the discharging bin and stretches out of the jacking cylinder, the jacking rod lifts the product box into the discharging bin, and the spring sheet in the discharging bin clamps the product box, so that the product box can only be accumulated upwards and cannot fall down, and the discharging work of the product box is completed. An elastic piece groove 57 is formed in one end, adjacent to the storage disc 6, of the pull rod 56, and a pulling elastic piece 58 is arranged in the elastic piece groove 57. After the product reaches the required time length in the high-low temperature box, the storage turntable is controlled to rotate up and down according to the first-in first-out principle of the product box, so that the No. 1 storage position of the first turntable is aligned with the blanking opening, the blanking module is used for blanking the product box and sending the product box to the test sorting position for electrical parameter test sorting. And carrying out blanking test on the No. 1, no. 2 and No. 3 … … of each turntable in sequence. And the storage position after the discharging is completed rotates to a feeding port, and the feeding module sends the product box into the storage position, so that the continuous automatic high-low temperature test is finally realized.

As shown in fig. 6, the test mechanism 4 includes a transposition cylinder 41 and an adapter plate 48, the transposition cylinder 41 is fixed on the side surface of the guide cylinder 42, the guide cylinder 42 is transversely fixed on the outer wall of the high-low temperature box 1, a guide hole is transversely machined on the side surface of the guide cylinder 42, a connecting plate is vertically fixed on the side surface of the adapter plate 48, the connecting plate stretches into the guide cylinder 42 through the guide hole and is connected with the extending end of the transposition cylinder 41, a material sucking cylinder 44 and a test cylinder 47 are respectively fixed on the bottom of the side surface of the adapter plate 48 at equal heights, the extending rods of the material sucking cylinder 44 and the test cylinder 47 are fixedly connected with a mounting plate 45, and a blanking suction nozzle 46 and a test probe 43 are respectively mounted on the two mounting plates 45. The test probe and the NG blanking suction nozzle are respectively arranged on the two corresponding cylinders, the linear module slides to enable the test probe to test each product of the product box, the electric parameter test part is connected with the test equipment through the external connection, the test probe is used for carrying out electric parameter test on the products, the products which do not pass through are tested, and the NG product blanking suction nozzle is used for sucking the products and is moved through the linear module to be placed into the NG box fixed on the side face of the track.

Each storage disk can design a plurality of product box storage positions for the turntable according to the requirement in a regular polygon mode, and an angle between every two adjacent storage positions is obtained, as shown in fig. 8, 4 storage grooves 62,4 are processed on the storage disk 6, 90 degrees are formed between the storage grooves 62, a shaft hole 61 is processed in the center of the storage disk 6, and when the motor drive rotating shaft rotates by 90 degrees, the storage grooves are switched. The feeding module feeds the product box into a storage turntable for feeding, namely a No. 1 storage position, and the rotating shaft rotates by a corresponding angle; when the storage position No. 2 reaches the loading position, the loading module sends the product box into the loading position of the storage turntable 2, and the rotating shaft rotates by a corresponding angle … … until the storage position of the first turntable is full. As shown in fig. 2, 6 storage trays are installed on the rotating shaft, when the storage position of the first rotating disc is full, the vertical displacement mechanism is at a certain distance, so that the storage position 1 of the second charging tray is aligned with the feeding position, the feeding module sends the product box into the storage position 1 of the second storage rotating disc, the storage mode is the same as that of the first rotating disc, after the storage is completed, the Z-axis linear module is moved at a certain distance, and the third rotating disc stores … ….

The arc-shaped notch 8 is formed in the edges of the feeding track 21 and the discharging track 51 adjacent to the storage disc 6, the arc-shaped notch 8 can reduce the gap between the tracks and the storage, and the product boxes are prevented from falling off in the feeding and discharging processes, and the radial angles of the feeding track 21 and the discharging track 51 and the storage disc 6 are the same as the angle of the storage groove 62.

As shown in fig. 6, a sealing cylinder 12 is fixed on the outer wall of the high-low temperature box 1 above the material hole, a sealing plate 13 is fixed on an extending rod of the sealing cylinder 12, and the width of the sealing plate 13 is the same as that of the square through groove. The sealing plate 13 can be plugged outside the material hole by driving the sealing plate to move downwards through the sealing cylinder. After the product box passes through the opening of the temperature circulation box completely, the sealing plate can be pushed down by the air cylinder on the sealing device and is matched with the feeding and discharging guide rail, so that the internal sealing state of the circulation box is formed, the internal temperature is not lost, and the test accuracy is ensured.

Initial state: the jacking cylinder in the feeding and discharging module is in a contracted state, the ejector rod is flush with the guide rail, the push-pull rod is in an initial position, namely, the outside of the feeding and discharging bin, the test sorting module is in a set zero position, the cylinder in the sealing device is in a jacking state, the sealing plate is matched with the guide rail, the inside of the circulation box is in a sealing state, the No. 1 storage position in the first material tray is aligned with the feeding port, and no product box exists in the internal rotary table.

The process is as follows: the product boxes (shown in figure 7) containing the products to be tested are manually placed in the feeding bin, and the required number of the product boxes is placed according to the production requirement, but cannot exceed the number set by the feeding bin;

a second flow: the starting equipment is characterized in that the high-low temperature box automatically reaches a specified temperature, the inlet sealing cylinder moves upwards, the sealing plate leaves the feeding track, the feeding push rod starts to work, and a first product box at the bottom of the feeding bin is pushed into a No. 1 storage position in a first rotary tray along the track;

and a process III: when the push rod works, the jacking air cylinder in the feeding module works to jack the residual product box to the upper end of the upper storage bin for a certain distance, a space for the push rod to retract is reserved, and after the push rod leaves the feed inlet, the inlet sealing air cylinder works again to push the sealing plate to be matched with the track, so that sealing is formed. The feeding module reciprocally and circularly completes feeding work;

the process is four: when a first product box enters a No. 1 storage position in a first rotary material disc, a push rod exits, an R-axis rotating module in an integrated mechanism of up-and-down rotation of a storage turntable starts to work, the angle between adjacent storage positions is rotated, a feeding module works again after the No. 2 storage position is aligned with a feeding hole, the feeding module circulates in sequence, after the first rotary material disc is filled with the product box, a Z-axis linear module in an integrated mechanism of up-and-down rotation of the storage turntable starts to work, the whole rotary material disc moves downwards, the No. 1 storage position in a second rotary material disc is aligned with the feeding hole, the above actions are repeated until all the storage positions are filled with the product box, and the time of filling the storage positions is just the same as the time of carrying out a temperature circulation test;

the fifth flow is: the method comprises the steps that a first product entering a high-low temperature box finishes specified temperature storage time, a storage turntable vertically rotates an integrated mechanism to align a No. 1 storage position in the first rotary material tray with a discharge hole, an outlet sealing cylinder ascends to move a sealing plate away from a discharge track, a pull rod in a blanking module starts to move to a corresponding position of the No. 1 storage position, a product box is pulled out to an outlet test sorting position and aligned with a test head, the test sorting module starts to work, an electrical parameter test is carried out on the product one by one through an electrical parameter test cylinder and a linear module, when a defective product is met, an NG product blanking air tap and a corresponding cylinder work, NG products are sucked and placed into an NG box, when one row of product test is finished, the pull rod moves again to align a second row of products with the test sorting position for test sorting, and sequentially work until all the products in the product box are tested, the pull rod moves the product box to a discharging bin, the outlet sealing cylinder descends to move to fit with the discharge track, the blanking jacking cylinder works, the product box is jacked into the lower bin, and then the product box is jacked into the product box through a spring sheet fixing cylinder to descend to the initial air position;

the sixth flow: after the product box in the storage position No. 1 in the first rotary material tray is separated from the high-low temperature box, the R-axis rotary module in the storage turntable vertical rotation integrated mechanism starts to work, the angle between adjacent storage positions is rotated, the blanking and product test sorting work of the next product box are performed, when the storage position No. 1 is rotated to be flush with an inlet, the feeding work is performed again, and finally, the running water type automatic high-low temperature test is realized. The method comprises the steps of carrying out a first treatment on the surface of the

Flow seven: automatic feeding and discharging and high-low temperature testing are completed through the cooperation between the upper and lower rotating integrated mechanism of the storage turntable and the feeding and discharging module, and finally, a box of product box can be fed into the storage turntable on the horse after a box of product box is discharged, and the automatic production effect is achieved through reciprocating motion.

Claims

1. Automatic high low temperature test equipment of electronic components, including high low temperature case (1), its characterized in that: install storage dish (6) in high low temperature case (1), a plurality of storage dishes (6) equidistant are fixed in pivot (32) lower extreme, the upper end of pivot (32) stretches out high low temperature case (1) top and the output shaft of rotating motor (34), rotating motor (34) are fixed on movable plate (35), movable plate (35) are installed on vertical displacement mechanism (31), vertical displacement mechanism (31) are fixed on backup pad (33), backup pad (33) are vertical to be fixed at high low temperature case (1) top, high low temperature case (1) opposite both outer ends all are equipped with the material hole, material loading track (21) and unloading track (51) stretch into in high low temperature case (1) through the material hole, all process square logical groove on the central line of material loading track (21) and unloading track (51), install feed mechanism (2) on material loading track (21), be equipped with test mechanism (4) and unloading mechanism (5) on unloading track (51), test mechanism (4) are fixed on high low temperature case (1) lateral wall.

2. The automatic high-low temperature test equipment for electronic components according to claim 1, wherein: feed mechanism (2) include push rod (22), feeding cylinder (24), go up feed bin (27) and fix at last track (21) top, go up the upper and lower both ends of feed bin (27) and be the opening, go up horizontal stack in feed bin (27) and have a plurality of product boxes (7), in trapezoidal slot (211) that feed bin (21) bottom processed out are established to push rod (22), feeding cylinder (24) are established at last track (21) bottom and under feed bin (27), the lower extreme center at synchronizing plate (25) is fixed to the pole that stretches out of feeding cylinder (24), be fixed with a liftout pole (26) on synchronizing plate (25) upper end four corners respectively perpendicularly, the bottom of feed track (21) is run through to liftout pole (26) and top and last product box (7) contact in feed bin (27).

3. The automatic high-low temperature test equipment for electronic components according to claim 2, wherein: the trapezoid groove (211) is a trapezoid groove, the upper part of the push rod (22) is square, and the lower part of the push rod is trapezoid with the same cross section shape as the trapezoid groove (211).

4. The automatic high-low temperature test equipment for electronic components according to claim 2, wherein: a plurality of observation holes (29) are uniformly formed in one side surface of the upper bin (27).

5. The automatic high-low temperature test equipment for electronic components according to claim 1, wherein: the blanking mechanism (5) comprises a blanking cylinder (54), a blanking box (55) and a pull rod (56), the blanking box (55) is fixed on a blanking track (51), the upper side and the lower side of the blanking box (55) are both open, a plurality of ejector elastic pieces (53) are evenly arranged at the bottom of the inner wall of the blanking box (55) in an inverted mode, the pull rod (56) is arranged in a trapezoid groove (211) machined at the bottom of the blanking track (51) and is identical to the trapezoid groove (211) in cross section, the blanking cylinder (54) is fixed at the bottom of the blanking track (51) and under the blanking box (55), an extension rod of the blanking cylinder (54) is fixed at the center of a synchronous plate (25), one ejector rod (26) is vertically fixed at four corners at the upper end of the synchronous plate (25), and the ejector rod (26) penetrates through the bottom of the blanking track (51) and extends into the blanking box (55).

6. The automatic high-low temperature test equipment for electronic components according to claim 5, wherein: an elastic piece groove (57) is formed in one end, adjacent to the storage disc (6), of the pull rod (56), and a pulling elastic piece (58) is arranged in the elastic piece groove (57).

7. The automatic high-low temperature test equipment for electronic components according to claim 1, wherein: the testing mechanism (4) comprises a transposition air cylinder (41) and an adapter plate (48), the transposition air cylinder (41) is fixed on the side face of a guide cylinder (42), the guide cylinder (42) is transversely fixed on the outer wall of a high-low temperature box (1), a guide hole is transversely machined on the side face of the guide cylinder (42), a connecting plate is vertically fixed on the side face of the adapter plate (48), the connecting plate stretches into the guide cylinder (42) through the guide hole to be connected with the stretching-out end of the transposition air cylinder (41), the equal-height bottom of the side face of the adapter plate (48) is respectively fixed with a material sucking air cylinder (44) and a testing air cylinder (47), stretching-out rods of the material sucking air cylinder (44) and the testing air cylinder (47) are fixedly connected with a mounting plate (45), and a material discharging suction nozzle (46) and a testing probe (43) are respectively mounted on the two mounting plates (45).

8. The automatic high-low temperature test equipment for electronic components according to claim 1, wherein: the center of the storage disc (6) is provided with a shaft hole (61), a plurality of storage grooves (62) which are not intersected and have the same radial angle with the storage disc (6) are uniformly formed in the end face of the storage disc (6), the storage grooves (62) are provided with outer openings at the edges of the storage disc (6), a blanking groove (63) is formed in the bottom of the storage groove (62) along the center line direction of the storage groove (62), and the tail ends of the blanking groove (63) extend into the groove walls of the storage groove (62).

9. The automatic high-low temperature test equipment for electronic components according to claim 1, wherein: arc-shaped notches (8) are formed in the edges, adjacent to the storage disc (6), of the feeding track (21) and the discharging track (51), and the radial angles of the feeding track (21) and the discharging track (51) and the storage disc (6) are the same as the radial angles of the storage grooves (62).

10. The automatic high-low temperature test equipment for electronic components according to claim 1, wherein: a sealing cylinder (12) is arranged above the material hole and fixed on the outer wall of the high-low temperature box (1), a sealing plate (13) is fixed on an extending rod of the sealing cylinder (12), and the width of the sealing plate (13) is the same as that of the square through groove.