1. The utility model provides an integrated circuit output testing arrangement, its structure includes casing (1), switch (2), chip fixed establishment (3), chip pressing means (4), switch (2) base and casing (1) bolted connection, the operation panel top of casing (1) is located in chip fixed establishment (3), chip pressing means (4) bottom and casing (1) mechanical connection, its characterized in that:

chip fixed establishment (3) are pressed from both sides a mechanism (31), bear clamp splice (32), drive wheel (33), drive motor (34), actuating mechanism (35) by the chip and are constituteed, chip presss from both sides a mechanism (31) bottom and actuating mechanism (35) inside mechanical connection, drive wheel (33) and bear clamp splice (32) activity block and be connected, drive motor (34) are connected with actuating mechanism (35) transmission, inside casing (1) was located in actuating mechanism (35), drive motor (34) stiff end and casing (1) bolted connection.

2. The integrated circuit output terminal test device of claim 1, wherein: actuating mechanism (35) comprise accommodate the lead screw (51), fixed block (52), guide rail (53), promotion piece (54), rubber elastic block (55), accommodate the lead screw (51) are located inside in the middle of fixed block (52), guide rail (53) both ends are connected with fixed block (52) inboard fixed block, inside promotion piece (54) was located in guide rail (53), rubber elastic block (55) bottom and promotion piece (54) upper end bolted connection.

3. The integrated circuit output terminal test device of claim 1, wherein: chip presss from both sides platform mechanism (31) comprises linkage plate (11), survey test panel (12), barrel (13), pressure head contact (14), elastic mechanism (15), pressure head contact (14) are located in linkage plate (11) punching hole, inside barrel (13) inner wall was located in elastic mechanism (15), barrel (13) bottom and survey test panel (12) top surface adhesive connection, pressure head contact (14) bottom is connected with survey test panel (12) electricity, survey test panel (12) bottom and actuating mechanism (35) upper end mechanical connection.

4. The integrated circuit output terminal test device of claim 3, wherein: elastic mechanism (15) comprise baffle (151), first spring block (152), second spring block (153), first spring block (152) bottom and baffle (151) upper end block are connected, second spring block (153) are constituteed the upper end and are connected with baffle (151) bottom machinery.

5. The integrated circuit output terminal test device of claim 1, wherein: chip pressing means (4) comprise support frame (41), adjust knob (42), adjusting screw (43), chip block mechanism (44), adjusting screw (43) top and adjust knob (42) bottom bolted connection, adjusting screw (43) are connected with support frame (41) activity block, adjusting screw (43) bottom and chip block mechanism (44) upper end mechanical connection, support frame (41) bottom and casing (1) welded connection.

6. The integrated circuit output terminal test device of claim 5, wherein: chip block mechanism (44) comprises movable rod (4 a), stopper (4 b), activity linking block (4 c), movable block (4 d), rubber pressure pad (4 e), the movable rod (4 a) body of rod runs through inside stopper (4 b), the activity links up block (4 c) both ends and movable block (4 d) bolted connection, rubber pressure pad (4 e) top and movable rod (4 a) bottom fixed block bonding connection.

Background

An IC chip (Integrated Circuit) is an Integrated Circuit formed by a large number of microelectronic devices (transistors, resistors, capacitors, etc.) on a plastic substrate to form a chip.

After the integrated circuit is packaged, the qualification of the integrated circuit generally needs to be tested, so that a good product and a defective product are separated, and then, because the integrated circuit belongs to a high-precision product, when the integrated circuit is detected, a probe on a detection mold needs to be accurately aligned to an output end on a chip.

Disclosure of Invention

The technical scheme adopted by the invention for realizing the technical purpose is as follows: an integrated circuit output end testing device structurally comprises a shell, a power switch, a chip fixing mechanism and a chip pressing mechanism, wherein a power switch base is connected with the shell through bolts, the chip fixing mechanism is arranged above an operating platform of the shell, the bottom end of the chip pressing mechanism is mechanically connected with the shell, the chip fixing mechanism consists of a chip clamping mechanism, a bearing clamping block, a driving wheel, a transmission motor and a driving mechanism, the bottom of the chip clamping mechanism is mechanically connected with the inside of the driving mechanism, the driving wheel is movably clamped and connected with the bearing clamping block, the transmission motor is in transmission connection with the driving mechanism, the driving mechanism is arranged inside the shell, the fixed end of the transmission motor is connected with the shell through bolts, the chip fixing mechanism is a movable mechanism and is rectangular, the bottom of the chip fixing mechanism is mechanically connected with the shell, and chips can be conveniently transversely moved left and right to load and unload the chips, the bearing clamp block placing groove is internally provided with a rubber cushion, and has the characteristics of good elasticity, acid and alkali resistance, high temperature resistance and the like.

As a further improvement of the invention, the driving mechanism consists of an adjusting screw rod, a fixed block, a guide rail, a pushing block and a rubber elastic block, wherein the adjusting screw rod is arranged in the middle of the fixed block, two ends of the guide rail are fixedly clamped and connected with the inner side of the fixed block, the guide rail is arranged in the pushing block, the bottom of the rubber elastic block is connected with the upper end of the pushing block through a bolt, the adjusting screw rod is made of high-carbon alloy steel and is in an arc shape, and the adjusting screw rod is clamped in a thread groove of the fixed block, so that the driving mechanism has the characteristics of good hardenability, high hardenability, small heat treatment deformation, high wear resistance and the like.

As a further improvement of the invention, the chip clamping table mechanism comprises a connecting plate, a test board, a cylinder, a pressure head contact and an elastic mechanism, wherein the pressure head contact is arranged in a punching hole of the connecting plate, the elastic mechanism is arranged inside the inner wall of the cylinder, the bottom of the cylinder is connected with the top surface of the test board in an adhesive manner, the bottom of the test board is mechanically connected with the upper end of a driving mechanism, the bottom of the pressure head contact is electrically connected with the test board, the pressure head contact is made of beryllium bronze and is arranged at the top end inside the cylinder in a dome shape, and the chip clamping table mechanism has the characteristics of good wear resistance, corrosion resistance, heat conductivity, electric conductivity and the like.

As a further improvement of the invention, the elastic mechanism consists of a baffle plate, a first spring block and a second spring block, the bottom of the first spring block is connected with the upper end of the baffle plate in a clamping manner, the upper end of the second spring block is mechanically connected with the bottom of the baffle plate, and the baffle plate is made of synthetic resin and is a circular penetrating plate and has the characteristics of corrosion resistance, lightning protection, noise protection, high strength and the like.

As a further improvement of the invention, the chip pressing mechanism consists of a support frame, an adjusting knob, an adjusting screw rod and a chip clamping mechanism, wherein the top end of the adjusting screw rod is connected with the bottom of the adjusting knob through a bolt, the adjusting screw rod is movably clamped and connected with the support frame, the bottom of the adjusting screw rod is mechanically connected with the upper end of the chip clamping mechanism, and the bottom of the support frame is welded and connected with the shell.

As a further improvement of the invention, the chip clamping mechanism consists of a movable rod, a limiting block, a movable connecting block, a movable block and a rubber pressure pad, wherein the rod body of the movable rod penetrates through the limiting block, two ends of the movable connecting block are connected with the movable block through bolts, the top end of the rubber pressure pad is connected with a fixed block at the bottom of the movable rod in an adhesive manner, and a stretching spring is arranged between the limiting block and the movable block, so that the movable block can be better stretched back to the original position.

Advantageous effects

The invention relates to an integrated circuit output end testing device, which is communicated with an external computer to run in a matching way, a chip is placed into a chip fixing mechanism, the bottom of the chip is contacted with a chip clamping table mechanism, a pressure head contact in a connecting plate is connected with a chip contact, an elastic mechanism is extruded by the pressure head contact, a first spring block and a second spring block move downwards on a baffle plate to prevent the pressure head contact from being in hard contact with the chip contact and prevent the chip contact from being damaged, when the chip is placed, a power switch on a shell is opened, a computer program can transmit an electric signal to a transmission motor, the transmission motor drives a driving wheel to drive an adjusting screw rod to operate through a belt, a pushing block can be adjusted within a stroke set by a fixed block and a guide rail under the driving of the adjusting screw rod, and a rubber elastic block on the pushing block is matched with a bearing clamping block to clamp the chip, the chip fixing mechanism is clamped and fixed, so that the chip cannot be moved and deviated, and the chip is accurately positioned without being damaged.

Compared with the prior art, the invention has the following beneficial effects:

after the chip is positioned and fixed by the chip fixing mechanism, the chip is rotated by using an adjusting knob on the support frame, a chip clamping mechanism is arranged below the adjusting screw, the adjusting knob drives the adjusting screw to move downwards, when a rubber pressure pad at the bottom of the chip clamping mechanism is attached to the chip, a movable block on the mechanism of the chip clamping mechanism can extrude according to the attachment of the rubber pressure pad, the rubber pressure pad drives a movable rod to perform micro adjustment, the movable rod drives the movable block to adjust through a movable connecting block under the fixation of a limiting block, so that the chip can be better fixed on a test board by the rubber pressure pad and the chip fixing mechanism, the chip is prevented from deviating in the test process, the chip is prevented from being damaged, the chip can be better positioned, and the chip can be output and tested in a stable state.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for testing an output terminal of an integrated circuit according to the present invention.

Fig. 2 is a schematic structural diagram of a chip fixing mechanism according to the present invention.

Fig. 3 is a schematic structural diagram of the driving mechanism of the present invention.

FIG. 4 is a schematic structural diagram of a chip clamping mechanism according to the present invention.

Fig. 5 is a schematic structural diagram of the elastic mechanism of the present invention.

Fig. 6 is a schematic structural diagram of a chip pressing mechanism according to the present invention.

FIG. 7 is a schematic structural diagram of a chip engaging mechanism according to the present invention.

In the figure: a machine shell-1, a power switch-2, a chip fixing mechanism-3, a chip pressing mechanism-4, a chip clamping table mechanism-31, a bearing clamping block-32, a driving wheel-33, a transmission motor-34, a driving mechanism-35, an adjusting screw rod-51, a fixed block-52, a guide rail-53, a pushing block-54, a rubber elastic block-55, a connecting plate-11, a testing plate-12, a cylinder-13, a pressure head contact-14, an elastic mechanism-15, a baffle-151, a first spring block-152, a second spring block-153, a support frame-41, an adjusting knob-42, an adjusting screw rod-43, a chip clamping mechanism-44, a movable rod-4 a, a limit block-4 b, a movable connecting block-4 c, a positioning block-13, a positioning mechanism, a positioning block-4, a positioning block-11, a positioning block-4 c, a positioning block, a movable block-4 d and a rubber pressure pad-4 e.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Example 1

As shown in figures 1 to 5:

the invention provides an integrated circuit output end testing device, which structurally comprises a machine shell 1, a power switch 2, a chip fixing mechanism 3 and a chip pressing mechanism 4, wherein a base of the power switch 2 is connected with the machine shell 1 through a bolt, the chip fixing mechanism 3 is arranged above an operating platform of the machine shell 1, the bottom end of the chip pressing mechanism 4 is mechanically connected with the machine shell 1, the chip fixing mechanism 3 consists of a chip clamping platform mechanism 31, a bearing clamping block 32, a driving wheel 33, a transmission motor 34 and a driving mechanism 35, the bottom of the chip clamping platform mechanism 31 is mechanically connected with the inside of the driving mechanism 35, the driving wheel 33 is movably clamped and connected with the bearing clamping block 32, the transmission motor 34 is in transmission connection with the driving mechanism 35, the driving mechanism 35 is arranged inside the machine shell 1, the fixed end of the transmission motor 34 is in bolt connection with the machine shell 1, and the chip fixing mechanism 3 is a movable mechanism, the chip carrying clamp is rectangular, the bottom of the chip carrying clamp is mechanically connected with the machine shell 1, chips are conveniently transversely moved and assembled and disassembled, the rubber soft pad is arranged in the groove for placing the bearing clamp block 32, and the chip carrying clamp has the characteristics of good elasticity, acid and alkali resistance, high temperature resistance and the like and is used for carrying a length clamping opening of the chips.

The driving mechanism 35 is composed of an adjusting screw 51, a fixing block 52, a guide rail 53, a pushing block 54 and a rubber elastic block 55, the adjusting screw 51 is arranged inside the middle of the fixing block 52, two ends of the guide rail 53 are fixedly clamped and connected with the inner side of the fixing block 52, the guide rail 53 is arranged inside the pushing block 54, the bottom of the rubber elastic block 55 is connected with the upper end of the pushing block 54 through bolts, the adjusting screw 51 is made of high-carbon alloy steel and is in an arc-shaped screw and clamped in a thread groove of the fixing block, and the chip clamping table mechanism 31 has the advantages of being good in hardenability, high in hardenability, small in heat treatment deformation, high in wear resistance and the like, and accordingly the chip clamping table mechanism 31 borne by the adjusting screw can achieve high transmission efficiency and accurate in positioning.

The chip clamping table mechanism 31 is composed of a connecting plate 11, a test plate 12, a cylinder 13, a pressure head contact 14 and an elastic mechanism 15, the pressure head contact 14 is arranged in a punched hole of the connecting plate 11, the elastic mechanism 15 is arranged inside the inner wall of the cylinder 13, the bottom of the cylinder 13 is in bonding connection with the surface of the top of the test plate 12, the bottom of the pressure head contact 14 is electrically connected with the test plate 12, the bottom of the test plate 12 is mechanically connected with the upper end of a driving mechanism 35, the pressure head contact 14 is made of beryllium bronze and is arranged at the top end inside the cylinder 13 in a dome shape, and the chip clamping table mechanism has good wear resistance, corrosion resistance, heat conductivity, electric conductivity and other characteristics and can be better contacted with a chip contact.

The elastic mechanism 15 is composed of a baffle 151, a first spring block 152 and a second spring block 153, the bottom of the first spring block 152 is connected with the upper end of the baffle 151 in a clamping manner, the upper end of the second spring block 153 is mechanically connected with the bottom of the baffle 151, the baffle 151 is made of synthetic resin and is a circular penetrating plate, and the elastic mechanism has the characteristics of corrosion resistance, lightning protection, noise protection, high strength and the like, and can better assist the first spring block 152 and the second spring block 153 to do work in a set gap.

The specific use mode and function of the embodiment are as follows:

in the invention, the testing device of the output end of the integrated circuit is communicated with an external computer to run in a matching way, the chip is placed in the chip fixing mechanism 3, the bottom of the chip is contacted with the chip clamping table mechanism 31, the pressure head contact 14 in the connecting plate 11 is connected with the chip contact, the elastic mechanism 15 is extruded by the pressure head contact 14, the first spring block 152 and the second spring block 153 move downwards on the baffle 151 to prevent the pressure head contact 14 from being in hard contact with the chip contact and prevent the chip contact from being damaged, when the chip is placed, the power switch 2 on the shell 1 is opened, the computer program can transmit an electric signal to the transmission motor 34, the transmission motor 34 drives the driving wheel 33 to drive the adjusting screw rod 51 to operate through a belt, the pushing block 54 can be adjusted in the stroke set by the fixed block 52 and the guide rail 53 under the driving of the adjusting screw rod 51, the rubber elastic block 55 on the pushing block 54 is matched with the bearing clamping block 32 to clamp the chip, the chip fixing mechanism 3 is clamped and fixed, so that the chip cannot be moved and deviated, and the chip is accurately positioned without being damaged.

Example 2

As shown in fig. 6 to 7:

the chip pressing mechanism 4 is composed of a support frame 41, an adjusting knob 42, an adjusting screw 43 and a chip clamping mechanism 44, the top end of the adjusting screw 43 is connected with the bottom of the adjusting knob 42 through a bolt, the adjusting screw 43 is movably clamped and connected with the support frame 41, the bottom of the adjusting screw 43 is mechanically connected with the upper end of the chip clamping mechanism 44, and the bottom of the support frame 41 is connected with the casing 1 in a welding mode.

Wherein, chip block mechanism 44 comprises movable rod 4a, stopper 4b, activity joint piece 4c, movable block 4d, rubber pressure pad 4e, the movable rod 4a body of rod runs through inside stopper 4b, the activity links up 4c both ends and movable block 4d bolted connection, rubber pressure pad 4e top and movable rod 4a bottom fixed block adhesive connection, all be equipped with a tension spring between stopper 4b and the movable block 4d, can be better stretch the normal position back with movable block 4 d.

In the invention, after the chip is positioned and fixed by the chip fixing mechanism 3, the adjusting knob 42 on the supporting frame 41 is utilized to rotate, the chip clamping mechanism 44 is arranged under the adjusting screw 43, the adjusting knob 42 drives the adjusting screw 43 to move downwards, when the rubber pressure pad 4e at the bottom of the chip clamping mechanism 44 is attached to the chip, the movable block 4d of the chip clamping mechanism 44 will be pressed by the rubber pressure pad 4e, the rubber pressure pad 4e will drive the movable rod 4a to make a small adjustment, the movable rod 4a will be fixed by the limited block 4b, the movable connecting block 4c drives the movable block 4d to adjust, so that the rubber pressure pad 4e and the chip fixing mechanism 3 can better fix the chip on the test board 12 to prevent the chip from deviating in the test process, and the chip is damaged, so that the chip can achieve better positioning, and the chip can carry out output test in a stable state.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.