Memory testing machine

Abstract

The utility model provides a memory testing machine, which relates to the technical field of memory testing machines and comprises a base, an L-shaped plate is fixedly mounted at the top of the base, an electric telescopic rod is fixedly mounted at the top of the L-shaped plate, a telescopic end of the electric telescopic rod penetrates through the L-shaped plate and is fixedly provided with a top plate, and a plurality of uniformly distributed connecting rods are fixedly mounted at the bottom of the top plate. Test blocks are arranged at the bottoms of the connecting rods. During replacement and maintenance, a worker pulls a pull plate, the pull plate drives a connecting plate and a clamping block to move, the clamping block leaves a clamping groove and enters a limiting groove, and a first spring is compressed, so that a test block can be taken down, a new test block is replaced, a connecting rod is inserted into an insertion groove in the top of the new test block, and when the inclined surface of the clamping block is in contact with the test block, the test block is replaced. And when the clamping block moves to the position beside the clamping groove, the clamping block enters the clamping groove under the elastic force effect of the first spring, at the moment, installation can be completed, the replacement efficiency is improved, and maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of memory testers, in particular to a memory tester. Background Art

[0002] In the production quality inspection of DDR (Double Data Rate), a test fixture is needed to test its read and write speed. Most existing DDR test devices require workers to manually place the DDR to be tested into the test slot of the test fixture, and then use the test fixture to test it. After the test is completed, the DDR is taken out and the next DDR is placed. This causes a long idle cycle in the test fixture, which reduces the detection efficiency. Therefore, an easy-to-operate and efficient DDR test device is proposed to reduce manpower use and improve detection efficiency.

[0003] In the prior art, for example, a memory test device in Chinese patent CN 217588431 U includes a conveying mechanism, a lifting mechanism, a test board and a placement board; the conveying mechanism includes a conveyor belt, the placement board is made of a flexible material and is spaced along the length direction of the conveyor belt; a plurality of placement slots are arranged on the placement board in a matrix; the lifting mechanism is arranged on one side of the transmission mechanism, the test board is arranged above the conveyor belt and connected to the lifting mechanism; a plurality of test contacts are arranged on the bottom surface of the test board in a matrix corresponding to the placement slots; and a status indicator light corresponding to each of the test contacts is provided on the test board. The placement board moves to the bottom of the test board with the conveyor belt, the test board moves to the placement board through the lifting mechanism, and the test contacts at the bottom of the test board complete the detection of the test piece on the placement board, which shortens the detection interval and improves the detection efficiency. However, the patent still has the following problems.

[0004] In the above patent, although a test board is provided for testing the test pieces placed on the board, thus shortening the test interval, if a component on the test board is damaged and may not be usable, the staff needs to disassemble the entire test board for repair or replacement, which increases working time and working costs. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that if a component on a test board is damaged and may not be usable, the staff needs to disassemble the entire test board for repair or replacement, which increases working time and increases working costs, and proposes a memory tester.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a memory tester comprises a base, an L-shaped plate is fixedly installed on the top of the base, an electric telescopic rod is fixedly installed on the top of the L-shaped plate, the telescopic end of the electric telescopic rod passes through the L-shaped plate and is fixedly installed with a top plate, a plurality of evenly distributed connecting rods are fixedly installed on the bottom of the top plate, a test block is arranged at the bottom of the connecting rod, a slot is opened on the top of the test block, a card slot is opened on the inner wall of the slot, a limiting groove is opened on the outer wall of the connecting rod, a first spring is fixedly installed on the inner wall of the limiting groove, a card block is fixedly installed on one end of the first spring, a first limiting rod is fixedly installed on the side of the card block close to the first spring, an end of the first limiting rod away from the card block is slidably plugged with the connecting rod, a connecting groove is opened on the inner wall of the limiting groove, a connecting plate is fixedly installed on the top of the card block, the connecting plate is slidably connected to the connecting groove, an opening is opened through the inner wall of the connecting groove, a pull plate is fixedly installed on one end of the connecting plate, and the pull plate is slidably connected to the opening.

[0007] Preferably, a first U-shaped plate is fixedly installed on the outer wall of the base, an electromagnet is fixedly installed on the inner wall of the first U-shaped plate, two second springs are fixedly installed on the bottom of the electromagnet, a support plate is fixedly installed on the bottom of the two second springs, a pressure sensor is fixedly installed on the outer wall of the support plate, a limit plate is fixedly installed on the top of the support plate, and the top of the limit plate is slidably connected with the electromagnet.

[0008] Preferably, a second U-shaped plate is fixedly mounted on the outer wall of the base, a threaded rod is rotatably mounted inside the second U-shaped plate, a first motor is fixedly mounted on the outer wall of the second U-shaped plate, an output end of the first motor passes through the second U-shaped plate and is fixedly connected to the threaded rod, two slides are threadedly connected to the outer wall of the threaded rod, a storage plate is fixedly mounted on the bottom of the slide, and a plurality of evenly distributed rollers are provided on the outer wall of the storage plate.

[0009] Preferably, a second limiting rod is fixedly installed inside the second U-shaped plate, and the second limiting rod passes through the two slides and is slidably connected to the two slides.

[0010] Preferably, a storage groove is provided on the top of the base, two rollers are rotatably installed inside the storage groove, a conveyor belt is sleeved on the outer walls of the two rollers, a second motor is fixedly installed on the outer wall of the base, and the output end of the second motor passes through the base and is fixedly connected to the rollers.

[0011] Preferably, two placement plates are provided on the top of the conveyor belt, a plurality of evenly distributed placement grooves are opened on the top of the two placement plates, and a plurality of evenly distributed placement marks are provided on the top of the placement plates.

[0012] Preferably, indicator lights and test numbers are provided on the tops of the plurality of test blocks, contacts are provided on the bottoms of the plurality of test blocks, and support frames are fixedly mounted on the four corners of the bottom of the base.

[0013] Preferably, the threaded rod is provided with two sections of threads with opposite textures, and the threaded rod is connected to the skateboard respectively through the two sections of threads with opposite textures.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. In the utility model, when replacing and repairing, the staff pulls the pull plate, and the pull plate drives the connecting plate and the card block to move, the card block leaves the card slot and enters the limit slot, and the first spring is compressed. In this way, the test block can be removed and replaced with a new test block, and the connecting rod is inserted into the slot at the top of the new test block. When the inclined surface of the card block contacts the test block, the card block enters the limit slot. When the card block moves to the side of the card slot, the card block enters the card slot under the elastic force of the first spring. At this time, the installation can be completed, the replacement efficiency is improved, and maintenance is convenient.

[0016] 2. In the utility model, when in use, the staff places the piece to be tested into the placement slot, and then places the placement plate on the conveyor belt, starts the first motor, the threaded rod rotates, and the two slides approach each other until the rollers on both sides contact the placement plate, and then starts the second motor, and the conveyor belt drives the placement plate to move. When the placement plate touches the pressure sensor, the second motor stops working, starts the electric telescopic rod, and the top plate descends, thereby driving the test block to descend until the contact point completes the functional detection of the piece to be tested in the placement slot. After the detection is completed, the electromagnet is started, the iron support plate rises, and the second motor is restarted, and the placement plate leaves the bottom of the test block. In this way, the positioning of the placement plate can be completed to prevent it from deviating from the direction or not being under the test block during detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model provides an overall stereogram of a memory tester;

[0018] Figure 2 A three-dimensional diagram of a test block of a memory tester is proposed for the utility model;

[0019] Figure 3 A cross-sectional view of a test block of a memory tester is proposed for the utility model;

[0020] Figure 4 A three-dimensional diagram of a first U-shaped plate of a memory tester is provided for the utility model;

[0021] Figure 5 A three-dimensional diagram of a second U-shaped plate of a memory tester is proposed for the utility model;

[0022] Figure 6 The utility model provides a cross-sectional view of a base of a memory testing machine.

[0023] Legend: 1. Base; 2. Support frame; 3. Placement plate; 4. Placement slot; 5. Placement number; 6. Top plate; 7. L-shaped plate; 8. Electric telescopic rod; 9. Connecting rod; 10. Test block; 11. First U-shaped plate; 12. Second U-shaped plate; 13. Test number; 14. Indicator light; 15. Opening; 16. Pull plate; 17. Contact; 18. Slot; 19. Card slot; 20. Limiting slot; 21. Connecting slot; 22. First spring; 23. Card block; 24. First limiting rod; 25. Connecting plate; 26. Electromagnet; 27. Second spring; 28. Support plate; 29. ​​Pressure sensor; 30. Limiting plate; 31. Threaded rod; 32. First motor; 33. Slide plate; 34. Storage plate; 35. Roller; 36. Second limiting rod; 37. Storage slot; 38. Roller; 39. Conveyor belt; 40. Second motor. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0026] Embodiment 1, as Figure 1-Figure 6 As shown, the utility model provides a memory tester, including a base 1, an L-shaped plate 7 is fixedly installed on the top of the base 1, an electric telescopic rod 8 is fixedly installed on the top of the L-shaped plate 7, the telescopic end of the electric telescopic rod 8 passes through the L-shaped plate 7 and is fixedly installed with a top plate 6, a plurality of evenly distributed connecting rods 9 are fixedly installed at the bottom of the top plate 6, a test block 10 is arranged at the bottom of the connecting rod 9, a slot 18 is opened at the top of the test block 10, a card slot 19 is opened on the inner wall of the slot 18, a limiting slot 20 is opened on the outer wall of the connecting rod 9, and the inner wall of the limiting slot 20 is fixedly installed There is a first spring 22, a clamping block 23 is fixedly installed at one end of the first spring 22, a first limiting rod 24 is fixedly installed on the side of the clamping block 23 close to the first spring 22, the end of the first limiting rod 24 away from the clamping block 23 is slidably plugged with the connecting rod 9, a connecting groove 21 is opened on the inner wall of the limiting groove 20, a connecting plate 25 is fixedly installed on the top of the clamping block 23, the connecting plate 25 is slidably connected to the connecting groove 21, an opening 15 is opened through the inner wall of the connecting groove 21, a pull plate 16 is fixedly installed on one end of the connecting plate 25, and the pull plate 16 is slidably connected to the opening 15.

[0027] The effect achieved by the entire embodiment 1 is that, during replacement and maintenance, the staff pulls the pull plate 16, and the pull plate 16 drives the connecting plate 25 and the block 23 to move, and the block 23 leaves the slot 19 and enters the limiting slot 20, and the first spring 22 is compressed, so that the test block 10 can be removed and replaced with a new test block 10, and the connecting rod 9 is inserted into the slot 18 at the top of the new test block 10. When the inclined surface of the block 23 contacts the test block 10, the block 23 enters the limiting slot 20, and when the block 23 moves to the side of the slot 19, the block 23 enters the slot 19 under the elastic force of the first spring 22, and the installation is completed at this time, which improves the replacement efficiency and facilitates maintenance.

[0028] Embodiment 2, as Figure 1-Figure 6 As shown, further, a first U-shaped plate 11 is fixedly installed on the outer wall of the base 1, an electromagnet 26 is fixedly installed on the inner wall of the first U-shaped plate 11, two second springs 27 are fixedly installed on the bottom of the electromagnet 26, a support plate 28 is fixedly installed on the bottom of the two second springs 27, a pressure sensor 29 is fixedly installed on the outer wall of the support plate 28, a limit plate 30 is fixedly installed on the top of the support plate 28, and the top of the limit plate 30 is slidably plugged with the electromagnet 26 to prevent the support plate 28 from tilting when moving.

[0029] Furthermore, a second U-shaped plate 12 is fixedly installed on the outer wall of the base 1, a threaded rod 31 is rotatably installed inside the second U-shaped plate 12, a first motor 32 is fixedly installed on the outer wall of the second U-shaped plate 12, an output end of the first motor 32 passes through the second U-shaped plate 12 and is fixedly connected to the threaded rod 31, two slides 33 are threadedly connected to the outer wall of the threaded rod 31, a storage plate 34 is fixedly installed on the bottom of the slide plate 33, and a plurality of evenly distributed rollers 35 are provided on the outer wall of the storage plate 34 to facilitate the movement of the storage plate 3.

[0030] Furthermore, a second limiting rod 36 is fixedly installed inside the second U-shaped plate 12 . The second limiting rod 36 passes through the two slide plates 33 and is slidably connected to the two slide plates 33 to prevent the slide plates 33 from rotating.

[0031] Furthermore, a storage groove 37 is opened on the top of the base 1, and two rollers 38 are rotatably installed inside the storage groove 37. The outer walls of the two rollers 38 are sleeved with a conveyor belt 39. A second motor 40 is fixedly installed on the outer wall of the base 1. The output end of the second motor 40 passes through the base 1 and is fixedly connected to the roller 38.

[0032] Furthermore, two placement plates 3 are arranged on the top of the conveyor belt 39 , and a plurality of evenly distributed placement grooves 4 are opened on the top of the two placement plates 3 , and a plurality of evenly distributed placement marks 5 are arranged on the top of the placement plates 3 .

[0033] Furthermore, indicator lights 14 and test marks 13 are provided on the tops of the multiple test blocks 10 , contacts 17 are provided on the bottoms of the multiple test blocks 10 , and support frames 2 are fixedly installed on the four corners of the bottom of the base 1 .

[0034] Furthermore, the threaded rod 31 is provided with two sections of threads with opposite textures, and the threaded rod 31 is connected to the slide plate 33 respectively through the two sections of threads with opposite textures.

[0035] The effect achieved by the entire embodiment 2 is that when in use, the staff places the piece to be tested into the placement groove 4, and then places the placement plate 3 on the conveyor belt 39, starts the first motor 32, the threaded rod 31 rotates, and the two slides 33 approach each other until the rollers 35 on both sides contact the placement plate 3, and then starts the second motor 40, and the conveyor belt 39 drives the placement plate 3 to move. When the placement plate 3 touches the pressure sensor 29, the second motor 40 stops working, starts the electric telescopic rod 8, and the top plate 6 descends, thereby driving the test block 10 to descend until the contact 17 completes the functional detection of the piece to be tested in the placement groove 4. After the detection is completed, the electromagnet 26 is started, the iron support plate 28 rises, and the second motor 40 is restarted, and the placement plate 3 leaves the bottom of the test block 10. In this way, the positioning of the placement plate 3 can be completed to prevent it from deviating from the direction or not being under the test block 10 during detection.

[0036] Working principle: When in use, the staff places the piece to be tested into the placement slot 4, then places the placement plate 3 on the conveyor belt 39, starts the first motor 32, the threaded rod 31 rotates, and the two slides 33 approach each other until the rollers 35 on both sides contact the placement plate 3, and then starts the second motor 40, and the conveyor belt 39 drives the placement plate 3 to move. When the placement plate 3 touches the pressure sensor 29, the second motor 40 stops working, starts the electric telescopic rod 8, and the top plate 6 descends, thereby driving the test block 10 to descend until the contact 17 completes the functional detection of the piece to be tested in the placement slot 4. After the detection is completed, start the electromagnet 26, the iron support plate 28 rises, restart the second motor 40, and the placement plate 3 leaves the bottom of the test block 10. In this way, the positioning of the placement plate 3 can be completed to prevent it from deviating from the direction or not being under the test block 10 during detection. During replacement and maintenance, the staff pulls the pull plate 16, and the pull plate 16 drives the connecting plate 25 and the block 23 to move. The block 23 leaves the slot 19 and enters the limit slot 20, and the first spring 22 is compressed. In this way, the test block 10 can be removed and replaced with a new test block 10. The connecting rod 9 is inserted into the slot 18 at the top of the new test block 10. When the inclined surface of the block 23 contacts the test block 10, the block 23 enters the limit slot 20. When the block 23 moves to the side of the slot 19, the block 23 enters the slot 19 under the elastic force of the first spring 22. At this time, the installation is completed, which improves the replacement efficiency and facilitates maintenance.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A memory tester, comprising a base (1), characterized in that: An L-shaped plate (7) is fixedly mounted on the top of the base (1), an electric telescopic rod (8) is fixedly mounted on the top of the L-shaped plate (7), the telescopic end of the electric telescopic rod (8) passes through the L-shaped plate (7) and is fixedly mounted on a top plate (6), a plurality of evenly distributed connecting rods (9) are fixedly mounted on the bottom of the top plate (6), a test block (10) is arranged at the bottom of the connecting rod (9), a slot (18) is provided on the top of the test block (10), a card slot (19) is provided on the inner wall of the slot (18), a limiting groove (20) is provided on the outer wall of the connecting rod (9), a first spring (22) is fixedly mounted on the inner wall of the limiting groove (20), and the first spring A block (23) is fixedly installed at one end of the clamping block (22), a first limiting rod (24) is fixedly installed on the side of the clamping block (23) close to the first spring (22), and the end of the first limiting rod (24) away from the clamping block (23) is slidably plugged with the connecting rod (9), a connecting groove (21) is provided on the inner wall of the limiting groove (20), a connecting plate (25) is fixedly installed on the top of the clamping block (23), and the connecting plate (25) is slidably connected to the connecting groove (21), an opening (15) is penetrated through the inner wall of the connecting groove (21), and a pull plate (16) is fixedly installed on one end of the connecting plate (25), and the pull plate (16) is slidably connected to the opening (15).

2. A memory tester according to claim 1, characterized in that: A first U-shaped plate (11) is fixedly mounted on the outer wall of the base (1), an electromagnet (26) is fixedly mounted on the inner wall of the first U-shaped plate (11), two second springs (27) are fixedly mounted on the bottom of the electromagnet (26), a support plate (28) is fixedly mounted on the bottom of the two second springs (27), a pressure sensor (29) is fixedly mounted on the outer wall of the support plate (28), a limit plate (30) is fixedly mounted on the top of the support plate (28), and the top of the limit plate (30) is slidably plugged with the electromagnet (26).

3. A memory tester according to claim 1, characterized in that: A second U-shaped plate (12) is fixedly mounted on the outer wall of the base (1), a threaded rod (31) is rotatably mounted inside the second U-shaped plate (12), a first motor (32) is fixedly mounted on the outer wall of the second U-shaped plate (12), an output end of the first motor (32) passes through the second U-shaped plate (12) and is fixedly connected to the threaded rod (31), two slides (33) are threadedly connected to the outer wall of the threaded rod (31), a storage plate (34) is fixedly mounted on the bottom of the slide plate (33), and a plurality of evenly distributed rollers (35) are arranged on the outer wall of the storage plate (34).

4. A memory tester according to claim 3, characterized in that: A second limiting rod (36) is fixedly installed inside the second U-shaped plate (12), and the second limiting rod (36) passes through the two slide plates (33) and is slidably connected to the two slide plates (33).

5. The memory tester according to claim 1, characterized in that: A storage groove (37) is provided at the top of the base (1), two rollers (38) are rotatably mounted inside the storage groove (37), and a conveyor belt (39) is sleeved on the outer walls of the two rollers (38). A second motor (40) is fixedly mounted on the outer wall of the base (1), and an output end of the second motor (40) passes through the base (1) and is fixedly connected to the rollers (38).

6. A memory tester according to claim 5, characterized in that: Two placement plates (3) are arranged on the top of the conveyor belt (39), and a plurality of evenly distributed placement grooves (4) are opened on the top of the two placement plates (3), and a plurality of evenly distributed placement marks (5) are arranged on the top of the placement plates (3).

7. The memory tester according to claim 5, characterized in that: The tops of the plurality of test blocks (10) are each provided with an indicator light (14) and a test mark (13), the bottoms of the plurality of test blocks (10) are each provided with a contact point (17), and the four corners of the bottom of the base (1) are each fixedly mounted with a support frame (2).

8. The memory tester according to claim 3, characterized in that: The threaded rod (31) is provided with two sections of threads with opposite textures, and the threaded rod (31) is connected to the slide plate (33) via the two sections of threads with opposite textures.

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