Automatic testing device for integrated circuit

Abstract

The utility model discloses an integrated circuit automatic testing device which comprises a testing table and a driving mechanism, a strip-shaped groove is horizontally formed in the middle of the top of the testing table, a lead screw is horizontally and rotatably connected in the strip-shaped groove, the two ends of the lead screw are sleeved with moving blocks, clamping plates are welded to the tops of the two moving blocks, and the clamping plates are connected with the driving mechanism. A push plate is arranged on one side of the top of the testing table, a conveying belt is embedded in the other side of the top of the testing table, and the driving mechanism is used for driving the two clamping plates to move synchronously and driving the push plate to move. After the integrated circuit board is tested and is loosened and fixed, the integrated circuit board is automatically pushed to the conveying belt to complete blanking, automatic blanking of the integrated circuit board can be completed, time and labor are saved, the next test can be conveniently and rapidly carried out, and the test efficiency is improved; and the position movement of the clamping plate and the position movement of the push plate supplement each other and do not interfere with each other, and the whole loosening, fixing and discharging process is smooth.

Description

TECHNICAL FIELD

[0001] The utility model relates to integrated circuit board production technical field especially relates to a kind of integrated circuit automatic testing device. BACKGROUND

[0002] Integrated circuit board is a carrier of integrated circuit, and is mostly made by semiconductor manufacturing process, and many transistors and resistors, capacitors and other components are made on a small single crystal silicon wafer, and the components are combined into complete electronic circuit according to the method of multilayer wiring or tunnel wiring. In the production process of integrated circuit board, testing is a very important step, which aims to ensure that the function and quality of the circuit board meet the design requirements, and to avoid potential faults and problems.

[0003] However, the existing integrated circuit testing device cannot realize automatic testing, and manual unloading of integrated circuit board is required after releasing the fixation after testing, which is time-consuming and laborious, and the testing efficiency is low. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides an integrated circuit automatic testing device.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] An integrated circuit automatic testing device, comprising: a test table, a strip-shaped groove is horizontally formed in the middle of the top of the test table, a lead screw is horizontally connected in the strip-shaped groove, two moving blocks are sleeved on the two ends of the lead screw, clamping plates are welded on the top of the two moving blocks, a push plate is arranged on one side of the top of the test table, and a conveyor belt is inlaid and installed on the other side of the top of the test table.

[0007] A driving mechanism is used to drive the two clamping plates to move synchronously and drive the push plate to move.

[0008] As a further technical scheme of the utility model, a top plate is horizontally arranged above the test table, support columns are vertically welded on the bottom of the top plate, and the four support columns are welded to the top of the test table.

[0009] As a further technical scheme of the utility model, an electric telescopic rod is vertically fixed and installed at the top center of the top plate, the telescopic end of the electric telescopic rod penetrates through the top plate and is slidably connected with the top plate, and a contact pin is fixedly installed at the bottom of the telescopic end of the electric telescopic rod.

[0010] As a further technical scheme of the utility model, the two moving blocks are connected with the lead screw through threads, and the two moving blocks are slidably connected inside the strip-shaped groove, and the thread directions of the two ends of the lead screw are opposite.

[0011] As a further technical solution of the present invention, a first rotating motor is horizontally fixedly installed on one side of the outside of the test bench, and a connecting shaft is horizontally fixedly installed on the output end of the first rotating motor. The connecting shaft passes through the test bench and is rotatably connected to the test bench, and the other end of the connecting shaft is fixedly connected to one end of the active roller of the conveyor belt.

[0012] As a further technical solution of the present invention, the driving mechanism includes a second rotating motor, a mounting plate is vertically welded to the top of the test bench, the second rotating motor is horizontally fixedly installed on one side of the mounting plate, a small disc is fixedly installed on the output end of the second rotating motor, a large disc is provided on the outside of the small disc, a circular groove is provided on the inside of the large disc, the small disc is welded to the center of the circular groove, a plurality of inner convex teeth are welded on part of the inner wall of the circular groove, a plurality of outer convex teeth are welded on part of the outer periphery of the small disc, a small gear is provided in the circular groove, the small gear is meshed with the multiple inner convex teeth and the multiple outer convex teeth in turn, and one end of the screw rod extends out of the strip groove and is welded to the center of the small gear.

[0013] Place the integrated circuit board directly below the stylus, start the second rotary motor to drive the small disc to rotate, and the small disc drives the large disc to rotate together. The multiple inner convex teeth on the inner wall of the circular groove first engage with the small gear to drive the small gear to rotate in the opposite direction. The small gear drives the lead screw to rotate in the opposite direction, which drives the two moving blocks to move toward each other on the lead screw. The two moving blocks drive the two clamping plates to move toward each other. When the multiple inner convex teeth and the small gear are engaged, the two clamping plates just clamp on both sides of the integrated circuit board to fix it, which is convenient for subsequent testing; when the integrated circuit board test is completed, the multiple outer convex teeth on the outer periphery of the small disc engage with the small gear again to drive the small gear to rotate forward, which drives the two moving blocks to move in opposite directions on the lead screw, that is, drives the two clamping plates to loosen the fixation of the integrated circuit board to facilitate unloading.

[0014] As a further technical solution of the present invention, a driving bevel gear is welded to the other end of the screw rod, a driven bevel gear is horizontally meshed above the driving bevel gear, a driving shaft is vertically welded to the top of the driven bevel gear, an L-shaped support plate is welded to the top of the test bench, the driving shaft passes through the L-shaped support plate and is rotatably connected to the L-shaped support plate, a rack is horizontally welded to the outside of the push plate, a driven gear is meshed on the side of the rack, a driven shaft is vertically penetrated and welded at the center of the driven gear, the bottom end of the driven shaft is rotatably connected to the test bench, and the driven shaft and the driving shaft are connected by the same belt.

[0015] When the clamping plates move towards each other to complete clamping, the lead screw drives the driving shaft to rotate reversely through the driving bevel gear and the driven bevel gear, the driving shaft drives the driven shaft to rotate reversely through the belt, the driven shaft drives the driven gear to rotate reversely, the driven gear drives the rack to move back, the push plate moves back to the original position to avoid affecting the test and waits for the next unloading after the test; when the clamping plates move in the opposite direction to loosen the fixed process, the lead screw drives the driving shaft to rotate forward through the driving bevel gear and the driven bevel gear, and the push plate moves forward to push the loosened integrated circuit board to the conveying belt to complete unloading; after the integrated circuit board is tested and loosened, it is automatically pushed to the conveying belt to complete unloading, which can complete the automatic unloading of the integrated circuit board, save time and effort, facilitate the rapid test of the next time, improve the test efficiency; and the position movement of the clamping plate and the push plate is complementary and does not interfere with each other, and the whole loosening and unloading process is smooth.

[0016] As a further technical scheme of the utility model, the rack side surface one end welds has the slide rod, the test platform top welds has the limit board, the slide rod other end slide connection in the limit board side surface.

[0017] The utility model discloses the beneficial effects are: integrated circuit board completes test and loosens fixedly after, it is automatically pushed to the conveying belt to complete unloading, can complete the automatic unloading of integrated circuit board, save time and effort, facilitate the rapid test of the next time, improve the test efficiency, and the position movement of the clamping plate and the push plate is complementary and does not interfere with each other, and the whole loosening and unloading process is smooth. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model proposes a kind of integrated circuit automatic testing device's structural schematic diagram;

[0019] Figure 2 The utility model proposes a kind of integrated circuit automatic testing device's front view structural schematic diagram;

[0020] Figure 3 The utility model proposes a kind of integrated circuit automatic testing device's bottom view structural schematic diagram;

[0021] Figure 4 The utility model proposes a kind of integrated circuit automatic testing device's partial structural schematic diagram.

[0022] In the figure: 1, electric telescopic rod; 2, top plate; 3, support column; 4, first rotary motor; 5, test table; 6, belt; 7, push plate; 8, driven gear; 9, driven shaft; 10, rack; 11, sliding rod; 12, limiting plate; 13, L-shaped support plate; 14, driving shaft; 15, driven bevel gear; 16, strip-shaped groove; 17, screw rod; 18, conveying belt; 19, moving block; 20, clamping plate; 21, mounting plate; 22, large disc; 23, contact pin; 24, circular groove; 25, small disc; 26, inner protruding tooth; 27, pinion; 28, outer protruding tooth; 29, second rotary motor; 30, connecting shaft; 31, driving bevel gear. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 4 An integrated circuit automatic testing device, comprising: a test table 5, a strip-shaped groove 16 is horizontally arranged in the middle of the top of the test table 5, a screw rod 17 is horizontally and rotatably connected in the strip-shaped groove 16, moving blocks 19 are sleeved on the two ends of the screw rod 17, clamping plates 20 are welded on the top of the two moving blocks 19, a push plate 7 is arranged on one side of the top of the test table 5, and a conveying belt 18 is embeddedly arranged on the other side of the top of the test table 5.

[0025] A driving mechanism is arranged on the test table 5, and the driving mechanism is used for driving the two clamping plates 20 to move synchronously and driving the push plate 7 to move.

[0026] Please refer to the accompanying drawings Figures 1-3 In a preferred embodiment, a top plate 2 is horizontally arranged above the test table 5, support columns 3 are vertically welded on the bottom of the top plate 2, and the bottom ends of the four support columns 3 are welded on the top of the test table 5.

[0027] The four support columns 3 support the top plate 2.

[0028] Please refer to the accompanying drawings Figures 1-3 In a preferred embodiment, an electric telescopic rod 1 is vertically and fixedly arranged on the top center of the top plate 2, the telescopic end of the electric telescopic rod 1 penetrates through the top plate 2 and is slidably connected with the top plate 2, and a contact pin 23 is fixedly arranged on the bottom of the telescopic end of the electric telescopic rod 1.

[0029] After the integrated circuit board is fixed, the electric telescopic rod 1 is started to drive the contact pin 23 to descend until the contact pin 23 contacts the integrated circuit board, so that the test of the integrated circuit board is completed.

[0030] Please refer to the accompanying drawings Figures 1-2In a preferred embodiment, the two moving blocks 19 are connected by threads and the lead screw 17, and the two moving blocks 19 are slidingly connected inside the strip-shaped slot 16, and the threads at the two ends of the lead screw 17 are in opposite directions.

[0031] Please refer to the accompanying drawings Figure 1 and 4 In a preferred embodiment, a first rotary motor 4 is horizontally fixedly installed on one side of the test table 5, a connecting shaft 30 is horizontally fixedly installed at the output end of the first rotary motor 4, the connecting shaft 30 penetrates through the test table 5 and is rotationally connected with the test table 5, and the other end of the connecting shaft 30 is fixedly connected with one end of the driving roller of the conveying belt 18.

[0032] When discharging, the first rotary motor 4 is started to drive the connecting shaft 30 to rotate, the connecting shaft 30 drives the driving roller of the conveying belt 18 to rotate, and the driving roller cooperates with the driven roller to drive the conveying belt 18 to forwardly convey to complete discharging.

[0033] Please refer to the accompanying drawings Figure 1 、 2 and 4, in a preferred embodiment, the driving mechanism includes a second rotary motor 29, a mounting plate 21 is vertically welded on the top of the test table 5, the second rotary motor 29 is horizontally fixedly installed on one side of the mounting plate 21, the output end of the second rotary motor 29 is fixedly installed with a small disc 25, a large disc 22 is arranged on the outer side of the small disc 25, a circular groove 24 is formed in the inner side of the large disc 22, and the small disc 25 is welded at the center of the circular groove 24.

[0034] The mounting plate 21 supports the second rotary motor 29.

[0035] Please refer to the accompanying drawings Figure 1 、 2 and 4, in a preferred embodiment, a plurality of inner protrusions 26 are welded on part of the inner wall of the circular groove 24, a plurality of outer protrusions 28 are welded on part of the outer periphery of the small disc 25, a pinion 27 is arranged in the circular groove 24, the pinion 27 is in mesh with the plurality of inner protrusions 26 and the plurality of outer protrusions 28 in sequence, and one end of the lead screw 17 extends into the inside of the strip-shaped slot 16 and is welded at the center of the pinion 27.

[0036] Please refer to the accompanying drawings Figure 1 、 2 and 4, in a preferred embodiment, a driving bevel gear 31 is welded at the other end of the lead screw 17, a driven bevel gear 15 is horizontally meshed above the driving bevel gear 31, a driving shaft 14 is vertically welded at the top of the driven bevel gear 15, an L-shaped support plate 13 is welded at the top of the test table 5, and the driving shaft 14 penetrates through the L-shaped support plate 13 and is rotationally connected with the L-shaped support plate 13.

[0037] The L-shaped support plate 13 supports the driving shaft 14.

[0038] Please refer to the attached drawings Figure 1 、 2 And 4, in a preferred embodiment, the rack 10 is horizontally welded outside the push plate 7, the driven gear 8 is engaged on the side of the rack 10, the driven shaft 9 is vertically penetrated and welded at the center of the driven gear 8, the bottom end of the driven shaft 9 is rotationally connected with the test table 5, and the same belt 6 is connected between the driven shaft 9 and the driving shaft 14.

[0039] Please refer to the attached drawings Figure 1 、 2 And 4, in a preferred embodiment, the rack 10 is horizontally welded outside the push plate 7, the driven gear 8 is engaged on the side of the rack 10, the driven shaft 9 is vertically penetrated and welded at the center of the driven gear 8, the bottom end of the driven shaft 9 is rotationally connected with the test table 5, and the same belt 6 is connected between the driven shaft 9 and the driving shaft 14.

[0040] The sliding of the slide bar 11 on the side of the limiting plate 12 provides support and limiting for the back and forth movement of the rack 10.

[0041] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: the integrated circuit board is placed directly below the contact pin 23, the second rotary motor 29 is started to drive the small disc 25 to rotate, the small disc 25 drives the large disc 22 to rotate together, the plurality of inner convex teeth 26 on the inner wall of the circular groove 24 first engages the pinion 27 to drive the pinion 27 to rotate in the opposite direction, the pinion 27 drives the lead screw 17 to rotate in the opposite direction, then drives the two moving blocks 19 to move towards each other on the lead screw 17, the two moving blocks 19 drive the two clamping plates 20 to move towards each other, when the plurality of inner convex teeth 26 and the pinion 27 are engaged, the two clamping plates 20 are clamped on both sides of the integrated circuit board to fix it, facilitating the subsequent testing;

[0042] When the clamping plates 20 move towards each other to complete the clamping process, the lead screw 17 drives the driving shaft 14 to rotate in the opposite direction through the driving bevel gear 31 and the driven bevel gear 15, the driving shaft 14 drives the driven shaft 9 to rotate in the opposite direction through the belt 6, the driven shaft 9 drives the driven gear 8 to rotate in the opposite direction, then the driven gear 8 drives the rack 10 to move back, the rack 10 drives the push plate 7 to move back, the push plate 7 returns to the original position to avoid affecting the testing and waiting for the next unloading after testing;

[0043] When the integrated circuit board is tested, the plurality of outer convex teeth 28 on the outer periphery of the small disc 25 engages the pinion 27 to drive the pinion 27 to rotate in the positive direction, then drives the two moving blocks 19 to move in the opposite direction on the lead screw 17, that is, drives the two clamping plates 20 to loosen the fixing of the integrated circuit board to facilitate unloading;

[0044] When the clamping plate 20 moves in the opposite direction to loosen the fixed process, the lead screw 17 drives the driving shaft 14 to rotate forward through the driving bevel gear 31 and the driven bevel gear 15, and the push plate 7 moves forward to push the loosened integrated circuit board to the conveying belt 18 to complete the unloading; after the integrated circuit board is tested and loosened, it is automatically pushed to the conveying belt 18 to complete the unloading, which can complete the automatic unloading of the integrated circuit board, save time and effort, facilitate the rapid testing of the next time, and improve the testing efficiency; and the positions of the clamping plate 20 and the push plate 7 are complementary and do not interfere with each other, and the whole loosening and unloading process is smooth.

[0045] Those skilled in the art will understand that the above discussion of any embodiment is merely exemplary and is not intended to suggest the scope of the present application (including the claims) is limited to these examples; under the concept of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0046] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the claims. Accordingly, any and all such modifications, variations or equivalents that fall within the spirit and scope of the application are intended to be included within the scope of the application.

Claims

1. An automatic test device for integrated circuits, characterized in that: Include: Test bench (5), the middle part of the top of the test bench (5) is horizontally provided with a strip-shaped groove (16), a screw rod (17) is rotatably connected in the strip-shaped groove (16), both ends of the screw rod (17) are sleeved with a moving block (19), and both the top of the two moving blocks (19) are welded with a clamping plate (20), one side of the top of the test bench (5) is provided with a push plate (7), and the other side of the top of the test bench (5) is embeddedly installed with a conveying belt (18); Driving mechanism, the driving mechanism is used for driving two clamping plates (20) to move synchronously, and driving the push plate (7) to move.

2. An integrated circuit automatic testing apparatus according to claim 1, wherein The top of the test bench (5) is horizontally provided with a top plate (2), the bottom of the top plate (2) is vertically welded with a supporting column (3) at four corners, and the bottom of the four supporting columns (3) is welded to the top of the test bench (5).

3. An integrated circuit automatic testing apparatus according to claim 2, wherein The top of the top plate (2) is vertically fixedly installed with an electric telescopic rod (1), the telescopic end of the electric telescopic rod (1) penetrates through the top plate (2) and is slidably connected with the top plate (2), and the bottom of the telescopic end of the electric telescopic rod (1) is fixedly installed with a contact pin (23).

4. The integrated circuit automatic testing apparatus according to claim 1, wherein Both the moving blocks (19) are connected with the screw rod (17) through threads, and both the moving blocks (19) are slidably connected in the strip-shaped groove (16), and the thread directions of both ends of the screw rod (17) are opposite.

5. The integrated circuit automatic testing apparatus according to claim 1, wherein The first rotary motor (4) is horizontally fixedly installed on one side of the test bench (5), the output end of the first rotary motor (4) is horizontally fixedly installed with a connecting shaft (30), the connecting shaft (30) penetrates through the test bench (5) and is rotatably connected with the test bench (5), and the other end of the connecting shaft (30) is fixedly connected with one end of the driving roller of the conveying belt (18).

6. An integrated circuit automatic testing apparatus according to claim 1, wherein The driving mechanism comprises a second rotary motor (29), the top of the test bench (5) is vertically welded with a mounting plate (21), the second rotary motor (29) is horizontally fixedly installed on one side of the mounting plate (21), the output end of the second rotary motor (29) is fixedly installed with a small disc (25), the outer side of the small disc (25) is provided with a large disc (22), the inner side of the large disc (22) is provided with a circular groove (24), and the small disc (25) is welded at the center of the circular groove (24).

7. An integrated circuit automatic testing apparatus according to claim 6, wherein A plurality of inner protrusions (26) are welded on part of the inner wall of the circular groove (24), a plurality of outer protrusions (28) are welded on part of the outer periphery of the small disc (25), a small gear (27) is arranged in the circular groove (24), the small gear (27) is in meshing connection with the plurality of inner protrusions (26) and the plurality of outer protrusions (28) in sequence, and one end of the screw rod (17) protrudes into the strip-shaped groove (16) and is welded at the center of the small gear (27).

8. An integrated circuit automatic testing apparatus according to claim 7, wherein The other end of the screw rod (17) is welded with a driving bevel gear (31), the driving bevel gear (31) is horizontally meshed with a driven bevel gear (15) above, the top of the driven bevel gear (15) is vertically welded with a driving shaft (14), the top of the test bench (5) is welded with an L-shaped supporting plate (13), the driving shaft (14) penetrates through the L-shaped supporting plate (13) and is rotatably connected with the L-shaped supporting plate (13).

9. An integrated circuit automatic testing apparatus according to claim 8, wherein The rack (10) is welded horizontally outside the push plate (7), the side of the rack (10) engages with a driven gear (8), the center of the driven gear (8) is vertically penetrated and welded with a driven shaft (9), the bottom end of the driven shaft (9) is rotatably connected with the test table (5), the same belt (6) is connected between the driven shaft (9) and the driving shaft (14).

10. An integrated circuit automatic testing apparatus according to claim 9, wherein The slide rod (11) is welded at one end of the side of the rack (10), the limit plate (12) is welded on the top of the test table (5), the other end of the slide rod (11) is slidably connected to the side of the limit plate (12).

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