Charging tray transmission mechanism of chip testing equipment

Abstract

The utility model relates to the technical field of chip testing, in particular to a charging tray transmission mechanism of chip testing equipment, which comprises a charging tray transmission seat. The tray conveying seat is provided with a tray feeding station, a chip conveying station and a tray discharging station; the tray conveying seat is movably provided with a supporting plate among the tray feeding station, the chip conveying station and the tray discharging station; a plurality of discharging supports are arranged at the position, at the charging tray discharging station, of the charging tray conveying base. The discharging support is provided with a stacking block. The discharging support is provided with a limiting pin at the bottom of the middle of the stacking block. And the charging tray conveying seat is provided with a first charging tray lifting mechanism. According to the utility model, the blanking support, the stacking block and the limiting pin are arranged, so that the trays of the tested chips can be stacked at the top of the stacking block, and a user can perform blanking on a plurality of trays at one time; and a plurality of material trays are stacked at the material tray feeding station, so that the stacked material trays can be automatically conveyed one by one, and the working efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chip testing, and particularly relates to a tray transmission mechanism of a chip testing device. Background Art

[0002] In the semiconductor industry, chip testing is one of the key steps to ensure product quality. During the chip testing process, it is usually necessary to take out the chips from the trays and place them into the testing device for inspection. To improve the testing efficiency, existing testing devices generally adopt an automated tray transmission mechanism to complete the automatic loading and unloading of chips. Such a mechanism usually includes a tray stack that can accommodate multiple trays of chips to be tested, and a manipulator responsible for sucking the chips from the trays and feeding them into the testing position.

[0003] Existing tray transmission mechanisms can often only handle the transmission of a single tray. After all the chips on a tray have been tested, it is necessary for workers to manually remove the empty tray and replace it with a new tray containing untested chips. This semi-automated operation method not only increases the labor intensity of workers but also reduces the overall testing efficiency.

[0004] In addition, the current tray transmission mechanism integrates the tray loading station and the tray unloading station in the same direction, which results in the need for the pallet to move back and forth continuously, increasing the walking distance of the pallet and thus leading to low overall efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a tray transmission mechanism of a chip testing device for the above-mentioned deficiencies in the prior art.

[0006] The purpose of the utility model is achieved through the following technical solutions: A tray transmission mechanism of a chip testing device includes a tray transmission base; the tray transmission base is provided with a tray loading station, a chip transmission station, and a tray unloading station; a pallet is movably arranged between the tray loading station, the chip transmission station, and the tray unloading station on the tray transmission base;

[0007] The tray transmission base is provided with a plurality of unloading brackets at the tray unloading station; the unloading brackets are provided with stacking blocks; one end of the stacking block is rotatably connected to the unloading bracket; the other end of the stacking block is used for abutting against the tray; the unloading bracket is provided with a limit pin at the bottom of the middle of the stacking block;

[0008] The tray transmission base is provided with a first tray lifting mechanism for driving the tray to lift at the tray unloading station.

[0009] The present utility model is further configured such that a tray slide rail is provided between the tray loading station, the chip transfer station, and the tray unloading station of the tray transfer base; the pallet is slidably disposed on the tray slide rail.

[0010] The present utility model is further configured such that a first synchronous pulley is rotatably provided at one end of the tray transfer base; a second synchronous pulley is rotatably provided at the other end of the tray transfer base; a belt is provided between the first synchronous pulley and the second synchronous pulley; the tray transfer base is provided with a tray motor for driving the rotation of the first synchronous pulley; the pallet is connected to the belt.

[0011] The present utility model is further configured such that a second tray lifting mechanism for driving the lifting of the tray is provided at the tray loading station of the tray transfer base; a third tray lifting mechanism for driving the lifting of the tray is provided at the chip transfer station of the tray transfer base.

[0012] The present utility model is further configured such that the first tray lifting mechanism, the second tray lifting mechanism, and the third tray lifting mechanism each include a tray fixing base provided at the bottom of the tray transfer base, a tray lifting seat that is liftably movable on the fixing base, and a tray driving assembly for driving the lifting of the tray lifting seat;

[0013] A jacking rod is provided inside the tray transfer base; the jacking rod is provided on the side of the pallet; the jacking rod is connected to the tray lifting seat.

[0014] The present utility model is further configured such that the tray driving assembly includes a lifting motor provided on the tray fixing base, a lifting lead screw connected to the output end of the lifting motor, and a lifting nut sleeved on the lifting lead screw; the lifting nut is provided on the tray lifting seat;

[0015] A lifting slide rod is provided between the tray lifting seat and the jacking rod; the tray transfer base is provided with a lifting shaft sleeve; the lifting slide rod is slidably disposed in the lifting shaft sleeve.

[0016] The present utility model is further configured such that a mounting plate is provided at the tray loading station of the tray transfer base; a material separating cylinder is provided on the mounting plate; the material separating cylinder is provided with a material separating plate for abutting against the bottom surface of the tray.

[0017] The present utility model is further configured such that a tray positioning assembly is provided at the chip transfer station of the tray transfer base.

[0018] The present utility model is further configured such that the tray positioning assembly includes a positioning rod provided on one side of the tray transfer base and a side positioning cylinder provided on the other side of the tray transfer base; the positioning rod and the side positioning cylinder respectively abut against both sides of the tray.

[0019] The present utility model is further configured such that the tray positioning assembly includes an end positioning plate provided at the end of the tray transfer seat; the end positioning plate is provided with an end positioning cylinder that abuts against the end of the tray.

[0020] Advantages of the present utility model: By providing a blanking bracket, a stacking block, and a limit pin, the trays of the tested chips can be stacked on the top of the stacking block, and the user can blank a plurality of trays at one time; and a plurality of trays are stacked at the tray loading station, and the stacked trays can be automatically transferred one by one, effectively improving the working efficiency; in addition, by arranging the tray loading station, the chip transfer station, and the tray blanking station in a straight line, the working efficiency can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model will be further described with reference to the accompanying drawings. However, the embodiments in the drawings do not constitute any limitation to the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to the following drawings.

[0022] Figure 1 is a schematic structural view of the present utility model in cooperation with a tray;

[0023] Figure 2 is a schematic structural view of the present utility model;

[0024] Figure 3 is a schematic structural view of the present utility model from another perspective;

[0025] Figure 4 is Figure 3 a partial enlarged view of part A in

[0026] Figure 5 is a schematic structural view of the first tray lifting mechanism of the present utility model;

[0027] Wherein: 1, tray transfer seat; 12, second synchronous pulley; 13, belt; 14, lifting shaft sleeve; 2, support plate; 21, tray slide rail; 3, blanking bracket; 31, stacking block; 32, limit pin; 41, first tray lifting mechanism; 42, second tray lifting mechanism; 43, third tray lifting mechanism; 51, fixed seat; 52, tray lifting seat; 53, lifting motor; 54, lifting lead screw; 55, lifting nut; 56, lifting slide bar; 6, jacking rod; 71, mounting plate; 72, dividing cylinder; 73, dividing plate; 81, positioning rod; 82, side positioning cylinder; 83, end positioning plate; 84, end positioning cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The present utility model will be further described in conjunction with the following embodiments.

[0029] As can be seen from Figures 1 to 5

[0029] , a tray transfer mechanism of a chip testing device according to this embodiment includes a tray transfer base 1; the tray transfer base 1 is provided with a tray loading station, a chip transfer station, and a tray unloading station; a tray 2 is movably provided between the tray loading station, the chip transfer station, and the tray unloading station on the tray transfer base 1;

[0030] A plurality of unloading brackets 3 are provided at the tray unloading station of the tray transfer base 1; a stacking block 31 is provided on the unloading bracket 3; one end of the stacking block 31 is rotatably connected to the unloading bracket 3; the other end of the stacking block 31 is used to abut against the tray; a limit pin 32 is provided at the bottom of the middle of the stacking block 31 on the unloading bracket 3;

[0031] A first tray lifting mechanism 41 for driving the tray to lift is provided at the tray unloading station of the tray transfer base 1.

[0032] Specifically, when the tray transfer mechanism of the chip testing device according to this embodiment is in use, a plurality of trays are stacked at the tray loading station, the tray 2 moves a tray from the tray loading station to the chip transfer station, and an external manipulator adsorbs the chips on the tray; after the chip testing is completed, the tray 2 drives the tray to move to the tray unloading station, and at this time the tray is at the bottom of the stacking block 31; then the first tray lifting mechanism 41 drives the tray to rise, so that the tray abuts against the bottom of the stacking block 31, causing the stacking block 31 to flip upward until the tray is separated from the stacking block 31, and then the stacking block 31 is affected by gravity and abuts against the limit pin 32 again, and then the first tray lifting mechanism 41 descends, so that the tray abuts against the top of the stacking block 31, enabling the tray to be stacked on the top of the stacking block 31; then the tray 2 moves back to the tray loading station.

[0033] By setting the unloading bracket 3, the stacking block 31, and the limit pin 32 in this embodiment, the trays of the tested chips can be stacked and placed on the top of the stacking block 31, and the user can unload a plurality of trays at one time; and a plurality of trays are stacked at the tray loading station, and the stacked trays can be automatically transferred one by one, effectively improving the working efficiency. In addition, by setting the tray loading station, the chip transfer station, and the tray unloading station in a straight line, the working efficiency can be effectively improved.

[0034] For the tray transfer mechanism of a chip testing device according to this embodiment, a tray slide rail 21 is provided between the tray loading station, the chip transfer station, and the tray unloading station on the tray transfer base 1; the tray 2 is slidably arranged on the tray slide rail 21. Specifically, through the above settings, the tray 2 can stably move between the tray loading station, the chip transfer station, and the tray unloading station.

[0035] A tray transfer mechanism of a chip testing device according to this embodiment, a first synchronous pulley is rotatably provided at one end of the tray transfer seat 1; a second synchronous pulley 12 is rotatably provided at the other end of the tray transfer seat 1; a belt 13 is provided between the first synchronous pulley and the second synchronous pulley 12; the tray transfer seat 1 is provided with a tray motor for driving the first synchronous pulley to rotate; the tray 2 is connected to the belt 13.

[0036] Among them, the tray motor and the first synchronous pulley are not drawn in the figure. The tray motor drives the first synchronous pulley to rotate, so that the tray 2 can move along with the movement of the belt 13.

[0037] A tray transfer mechanism of a chip testing device according to this embodiment, the tray transfer seat 1 is provided with a second tray lifting mechanism 42 for driving the tray to lift at the tray loading station; the tray transfer seat 1 is provided with a third tray lifting mechanism 43 for driving the tray to lift at the chip transfer station. A tray transfer mechanism of a chip testing device according to this embodiment, the first tray lifting mechanism 41, the second tray lifting mechanism 42 and the third tray lifting mechanism 43 all include a tray fixing seat 51 provided at the bottom of the tray transfer seat 1, a tray lifting seat 52 movably lifted on the fixing seat 51, and a tray driving component for driving the tray lifting seat 52 to lift; a jacking rod 6 is provided in the tray transfer seat 1; the jacking rod 6 is provided on the side of the tray 2; the jacking rod 6 is connected to the tray lifting seat 52. A tray transfer mechanism of a chip testing device according to this embodiment, the tray driving component includes a lifting motor 53 provided on the tray fixing seat 51, a lifting lead screw 54 connected to the output end of the lifting motor 53, and a lifting nut 55 sleeved on the lifting lead screw 54; the lifting nut 55 is provided on the tray lifting seat 52; a lifting slide rod 56 is provided between the tray lifting seat 52 and the jacking rod 6; the tray transfer seat 1 is provided with a lifting shaft sleeve 14; the lifting slide rod 56 is slidably provided in the lifting shaft sleeve 14.

[0038] Specifically, through the above settings, when the lifting motor 53 drives the lifting lead screw 54 to rotate, under the action of the lifting nut 55, the tray lifting seat 52 and the jacking rod 6 can be lifted through the sliding connection between the lifting slide rod 56 and the lifting shaft sleeve 14, so as to drive the tray to lift; by arranging the jacking rod 6 on the side of the tray 2, interference prevention treatment can be carried out to prevent interference between various components.

[0039] A tray transfer mechanism of a chip testing device according to this embodiment, the tray transfer seat 1 is provided with a mounting plate 71 at the tray loading station; the mounting plate 71 is provided with a material separating cylinder 72; the material separating cylinder 72 is provided with a material separating plate 73 for abutting against the bottom surface of the tray.

[0040] Specifically, when the material distribution cylinder 72 pushes the material distribution plate 73 to extend, multiple trays can be stacked on the material distribution plate 73. When it is necessary to transfer the bottom tray, first, the lifting rod 6 rises and contacts the bottom tray. Then, the material distribution cylinder 72 drives the material distribution plate 73 to retract, so that all the trays abut against the lifting rod 6. After the lifting rod 6 descends by one station, the material distribution cylinder 72 pushes the material distribution plate 73 to extend again, and the bottom of the second-to-last tray abuts against the material distribution plate 73, so that the bottom tray is separated from the second-to-last tray. At this time, the lifting rod 6 continues to drive the bottom tray to descend until the tray descends to the position of the support plate 2.

[0041] For the tray transfer mechanism of a chip testing device described in this embodiment, the tray transfer seat 1 is provided with a tray positioning component at the chip transfer station. For the tray transfer mechanism of a chip testing device described in this embodiment, the tray positioning component includes a positioning rod 81 provided on one side of the tray transfer seat 1 and a side positioning cylinder 82 provided on the other side of the tray transfer seat 1; the positioning rod 81 and the side positioning cylinder 82 respectively abut against both sides of the tray. For the tray transfer mechanism of a chip testing device described in this embodiment, the tray positioning component includes an end positioning plate 83 provided on the tray transfer seat 1; the end positioning plate 83 is provided with an end positioning cylinder 84 that abuts against the end of the tray.

[0042] Specifically, when the support plate 2 drives the tray to move to the chip transfer station, the lifting rod 6 drives the tray to rise. When the tray is at the same height as the positioning rod 81, the side positioning cylinder 82, and the end positioning cylinder 84, the positioning rod 81, the side positioning cylinder 82, and the end positioning cylinder 84 position the tray horizontally and longitudinally, so as to ensure that the external manipulator can accurately pick up the chips on the tray.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A tray transmission mechanism for chip testing equipment, characterized in that: It includes a tray transfer seat; the tray transfer seat is provided with a tray loading station, a chip transfer station and a tray unloading station; the tray transfer seat is movably provided with a support plate between the tray loading station, the chip transfer station and the tray unloading station; The tray transfer seat is provided with a plurality of unloading brackets at the tray unloading station; the unloading bracket is provided with a stacking block; one end of the stacking block is rotatably connected to the unloading bracket; the other end of the stacking block is used to abut against the tray; the unloading bracket is provided with a limit pin at the bottom of the middle of the stacking block; The tray transfer seat is provided with a first tray lifting mechanism for driving the tray to rise and fall at the tray unloading station.

2. The tray transmission mechanism of a chip testing device according to claim 1, characterized in that: The tray transfer seat is provided with a tray slide rail between the tray loading station, the chip transfer station and the tray unloading station; the support plate is slidably arranged on the tray slide rail.

3. The tray transmission mechanism of a chip testing device according to claim 2, characterized in that: A first synchronous wheel is rotatably provided at one end of the tray transmission seat; a second synchronous wheel is rotatably provided at the other end of the tray transmission seat; a belt is provided between the first synchronous wheel and the second synchronous wheel; the tray transmission seat is provided with a tray motor for driving the first synchronous wheel to rotate; and the support plate is connected to the belt.

4. The tray transmission mechanism of a chip testing device according to claim 1, characterized in that: The tray transfer seat is provided with a second tray lifting mechanism for driving the tray to be lifted and lowered at the tray loading station; the tray transfer seat is provided with a third tray lifting mechanism for driving the tray to be lifted and lowered at the chip transfer station.

5. The tray transmission mechanism of the chip testing equipment according to claim 4, characterized in that: The first tray lifting mechanism, the second tray lifting mechanism and the third tray lifting mechanism all include a tray fixing seat arranged at the bottom of the tray transmission seat, a tray lifting seat movable on the fixing seat, and a tray driving component for driving the tray lifting seat to lift; A lifting rod is arranged in the tray transmission seat; the lifting rod is arranged on the side of the supporting plate; and the lifting rod is connected to the tray lifting seat.

6. The tray transmission mechanism of the chip testing equipment according to claim 5, characterized in that: The tray driving assembly includes a lifting motor arranged on a tray fixing seat, a lifting screw connected to an output end of the lifting motor, and a lifting nut sleeved on the lifting screw; the lifting nut is arranged on the tray lifting seat; A lifting slide bar is provided between the tray lifting seat and the lifting rod; a lifting shaft sleeve is provided on the tray transmission seat; and the lifting slide bar is slidably arranged on the lifting shaft sleeve.

7. The tray transmission mechanism of a chip testing device according to claim 1, characterized in that: The tray transmission seat is provided with a mounting plate at the tray loading station; the mounting plate is provided with a material dividing cylinder; the material dividing cylinder is provided with a material dividing plate for abutting against the bottom surface of the tray.

8. The tray transmission mechanism of a chip testing device according to claim 1, characterized in that: The tray transfer seat is provided with a tray positioning component at the chip transfer station.

9. The tray transmission mechanism of the chip testing equipment according to claim 8, characterized in that: The tray positioning assembly includes a positioning rod arranged on one side of the tray transmission seat and a side positioning cylinder arranged on the other side of the tray transmission seat; the positioning rod and the side positioning cylinder are respectively against the two sides of the tray.

10. The tray transmission mechanism of a chip testing device according to claim 8, characterized in that: The tray positioning assembly includes an end positioning plate arranged on the tray transmission seat; the end positioning plate is provided with an end positioning cylinder abutting against the end of the tray.

Images