CN217588431U - Testing device of memory - Google Patents
Testing device of memory Download PDFInfo
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- CN217588431U CN217588431U CN202221346521.9U CN202221346521U CN217588431U CN 217588431 U CN217588431 U CN 217588431U CN 202221346521 U CN202221346521 U CN 202221346521U CN 217588431 U CN217588431 U CN 217588431U
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- 238000012360 testing method Methods 0.000 title claims abstract description 114
- 230000015654 memory Effects 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000011159 matrix material Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 description 14
- 230000003028 elevating effect Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model relates to a testing device of a memory, belonging to the technical field of memory testing equipment, comprising a conveying mechanism, a lifting mechanism, a testing plate and a placing plate; the conveying mechanism comprises a conveying belt, and the placing plates are made of flexible materials and are distributed at intervals along the length direction of the conveying belt; the placing plate is provided with a plurality of placing grooves which are arranged on the placing plate in a matrix form; the lifting mechanism is arranged on one side of the transmission mechanism, and the test board is arranged above the conveying belt and connected with the lifting mechanism; the bottom surface of the test board is provided with a plurality of test contacts which are arranged on the test board in a matrix form corresponding to the placing grooves; the test board is provided with status indicator lights corresponding to the test contacts respectively. The placing plate moves to the lower portion of the testing plate along with the conveying belt, the testing plate is moved to the placing plate through the lifting mechanism, the testing contact at the bottom of the testing plate is used for detecting a piece to be tested on the placing plate, the period of a testing interval is shortened, and the testing efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of memory test equipment, specifically speaking is a testing arrangement of memory.
Background
In the DDR (Double Data Rate: double Data Rate memory) production quality inspection process, a test fixture is required to test the reading and writing speeds. Most of existing DDR testing devices are used for manually placing DDR to be tested into a testing groove of a testing jig through workers, then the DDR is taken out after the testing is completed through the testing jig, and then the next DDR is placed, so that the testing jig has a long idle period, the testing efficiency is reduced, and therefore the efficient DDR testing device convenient to operate is provided for reducing manpower use and improving the testing efficiency.
Disclosure of Invention
High to artifical degree of relying on for solving the tradition and detecting, lead to detecting interval cycle length, problem that detection efficiency is low, the utility model provides a testing arrangement of memory.
The utility model discloses a realize through following technical scheme:
the memory testing device comprises a transmission mechanism, a lifting mechanism, a testing plate and a placing plate;
the conveying mechanism comprises a conveying belt, and the placing plates are made of flexible materials and are distributed at intervals along the length direction of the conveying belt;
the placing plate is provided with a plurality of placing grooves which are arranged on the placing plate in a matrix form;
the lifting mechanism is arranged on one side of the transmission mechanism, and the test board is arranged above the conveying belt and connected with the lifting mechanism;
the bottom surface of the test board is provided with a plurality of test contacts which are arranged on the test board in a matrix shape corresponding to the placing grooves; and the test board is provided with status indicator lamps corresponding to the test contacts respectively.
The placing plate moves to the lower part of the test plate along with the conveying belt, the test plate moves towards the placing plate through the lifting mechanism, the test of the piece to be tested on the placing plate is completed through the test contact at the bottom of the test plate, and the functional integrity of the piece to be tested is judged according to the state indicating lamp; a plurality of placing plates are distributed on the conveying belt at intervals, and preparation work is made in advance for detection; the conveyer belt drives the removal of placing the board, has shortened detection interval cycle, promotes detection efficiency.
The utility model discloses a further improvement still, one side of above-mentioned status indicator lamp is equipped with rather than corresponding test label. And the status indicator lamp is quickly identified through the test label.
The utility model discloses a further improvement still, one side of above-mentioned standing groove is equipped with rather than corresponding placing label. The rapid identification of the placing groove is realized by placing the label.
The utility model is further improved by that the conveying mechanism also comprises a frame and two rollers arranged on the frame, and the conveying belt is sleeved on the two rollers; and a servo motor for driving one of the rollers is arranged on the outer side of the rack. The placing plate on the conveying belt is stopped at a position corresponding to the testing plate through the servo motor.
The utility model discloses a further improvement still, above-mentioned frame is improved level and is equipped with and survey test panel from top to bottom and support the bearing board of conveyer belt upper band face. Through the support of horizontally bearing plate to the upper band face, the condition that the plate is placed to receive the conveyer belt sag influence to take place the contact not in place appears when avoiding surveying test plate and waiting to measure the piece contact, promotes and detects the rate of accuracy.
The utility model discloses a further improvement still, above-mentioned bearing board is the chamfer structure with the junction of a set of side direction opposite side and bearing board top surface that conveyer belt length direction corresponds. Through the structure of chamfer, effectively reduced the wearing and tearing of conveyer belt with the supporting plate edges and corners department.
The utility model is further improved in that the lifting mechanism comprises a vertical plate, a lifting cylinder, a supporting block, a sliding block and a sliding chute; the vertical plate is vertically arranged on the rack, the lifting cylinder is vertically arranged on the upper portion of the vertical plate, and the supporting block is arranged at the ejection end of the lifting cylinder and connected with the testing plate. Through survey test panel setting in the backup pad of being connected with lift cylinder, reduce the occupation to survey test panel upper and lower two sides space, be convenient for to the observation that detects one side and status indicator lamp in the operation process.
The utility model discloses a further improvement still, above-mentioned slider is equipped with two and sets up in one side that the supporting shoe is close to the riser, the vertical concave of spout is located on the riser and cooperatees with the slider. The sliding blocks on the supporting plate are limited through the sliding grooves, so that the track stability of the test plate moving up and down is guaranteed.
According to the technical scheme provided by the utility model, the beneficial effects are that: 1. the placing plate moves to the lower part of the test plate along with the conveying belt, the test plate moves towards the placing plate through the lifting mechanism, the test of the piece to be tested on the placing plate is completed through the test contact at the bottom of the test plate, and the functional integrity of the piece to be tested is judged according to the state indicating lamp; 2. a plurality of placing plates are distributed on the conveying belt at intervals, so that preparation work is made in advance for detection; 3. the conveyer belt drives the removal of placing the board, has shortened detection interval cycle, promotes detection efficiency.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a first structural schematic diagram of an embodiment of the present invention.
Fig. 2 is a second schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic view of a combination of the elevating mechanism and the testing board according to an embodiment of the present invention.
Fig. 4 is a schematic view of a combination of the test board and the support board according to an embodiment of the present invention.
In the drawings: 1. conveying mechanism, 11, conveyer belt, 12, frame, 13, servo motor, 14, bearing board, 15, cylinder, 2, elevating system, 21, riser, 211, spout, 22, lift cylinder, 23, backup pad, 231, slider, 3, place board, 31, place groove, 32, place label, 4, test board, 41, status indicator lamp, 42, test label, 43, test contact.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
As shown in fig. 1-4, a testing device for a memory comprises a conveying mechanism 1, a lifting mechanism 2, a testing board 4 and a placing board 3; the conveying mechanism 1 comprises a conveying belt 11, and the placing plates 3 are made of flexible materials and distributed at intervals along the length direction of the conveying belt 11; elevating system 2 sets up in one side of drive mechanism, survey test panel 4 and set up in conveyer belt 11 top and be connected with elevating system 2. The placing plate 3 moves to the lower part of the test plate 4 along with the conveyer belt 11, and the test plate 4 moves and detects the placing plate 3 through the lifting mechanism 2.
The conveying mechanism 1 further comprises a rack 12 and two rollers 15 arranged on the rack 12, and the conveying belt 11 is sleeved on the two rollers 15; a servo motor 13 for driving one of the rollers 15 is installed outside the frame 12. The resting of the placing plate 3 on the conveyor belt 11 in a position corresponding to the test plate 4 is achieved by means of a servomotor 13.
And a bearing plate 14 which corresponds to the test board 4 up and down and supports the upper belt surface of the conveying belt 11 is horizontally arranged on the frame 12. Through the support of horizontally bearing plate 14 to the upper band face, the condition that the plate 3 is placed and the contact is not in place due to the sag influence of the conveying belt 11 when the test plate 4 is in contact with a piece to be detected is avoided, and the detection accuracy is improved. The connecting part of a group of side opposite sides of the supporting plate 14 corresponding to the length direction of the conveying belt 11 and the top surface of the supporting plate 14 is in a chamfer structure. Through the structure of chamfer, the wearing and tearing of conveyer belt 11 with the angular position of bearing plate 14 have effectively been reduced.
The lifting mechanism 2 comprises a vertical plate 21, a lifting cylinder 22, a supporting block, a sliding block 231 and a sliding groove 211; the vertical plate 21 is vertically arranged on the frame 12, the lifting cylinder 22 is vertically arranged on the upper portion of the vertical plate 21, and the supporting block is arranged at the ejection end of the lifting cylinder 22 and connected with the testing plate 4. Through survey test panel 4 and set up in backup pad 23 with lift cylinder 22 is connected, reduce the occupation to survey test panel 4 upper and lower two sides space, be convenient for to the observation that detects one side and status indicator 41 in the operation process.
The slider 231 is equipped with two and sets up in the supporting shoe and is close to one side of riser 21, the spout 211 is vertical to be concavely established on riser 21 and is cooperateed with slider 231. The sliding block 231 on the supporting plate 23 is limited by the sliding groove 211 to ensure the track stability of the up-and-down movement of the testing plate 4.
A plurality of placing grooves 31 are formed in the placing plate 3, and the placing grooves 31 are arranged on the placing plate 3 in a matrix manner; a plurality of test contacts 43 are arranged on the bottom surface of the test board 4, and the test contacts 43 are arranged on the test board 4 in a matrix form corresponding to the placing groove 31; the test board 4 is provided with status indicators 41 corresponding to the test contacts 43. The arrangement grooves 31 arranged in a matrix manner and the test contacts 43 corresponding to the arrangement grooves 31 improve the upper limit of the number of one-time detection; and judging the functional integrity of the piece to be tested according to the status indicator lamp 41.
One side of the status indicator lamp 41 is provided with a test mark 42 corresponding to the status indicator lamp. A rapid identification of the status indicator lamp 41 is achieved by means of the test reference numeral 42.
One side of the placing groove 31 is provided with a placing reference number 32 corresponding to the placing groove. The quick recognition of the placement slot 31 is achieved by the placement of the reference numeral 32.
In summary, when the device is used, a to-be-tested device (double data rate memory) is placed in the placing groove 31 in advance, along with the movement of the conveyer belt 11 under the action of the servo motor 13, the placing plate 3 moves to the position below the testing plate 4 to stop, the testing plate 4 is driven to descend under the action of the lifting cylinder 22, the testing contacts 43 on the bottom surface of the testing plate 4 complete the functional detection of the to-be-tested device in the placing groove 31, and whether the functionality of the to-be-tested device is complete can be judged to reach the standard through the working state of the status indicator lamp 41 on the testing plate 4; if the individual piece to be tested is unqualified, the unqualified piece to be tested can be quickly found out according to the fact that the test mark 42 on one side of the abnormal state indicator lamp 41 is quickly corresponding to the placing mark 32 on the placing plate 3.
The utility model discloses a testing arrangement of memory, place board 3 and move to the below of testing board 4 along with conveyer belt 11, accomplish the removal of testing board 4 to placing board 3 through elevating system 2 to accomplish the detection to the piece that awaits measuring on placing board 3 through the test contact 43 of testing board 4 bottom, and judge the functional integrality of the piece that awaits measuring according to status indicator lamp 41; a plurality of placing plates 3 are distributed on the conveying belt 11 at intervals, and preparation work is made in advance for detection; the conveyer belt 11 drives the removal of placing board 3, has shortened the detection interval cycle, promotes detection efficiency.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The testing device of the memorizer is characterized by comprising a conveying mechanism (1), a lifting mechanism (2), a testing plate (4) and a placing plate (3);
the conveying mechanism (1) comprises a conveying belt (11), and the placing plates (3) are made of flexible materials and are distributed at intervals along the length direction of the conveying belt (11);
a plurality of placing grooves (31) are formed in the placing plate (3), and the placing grooves (31) are arranged on the placing plate (3) in a matrix manner;
the lifting mechanism (2) is arranged on one side of the transmission mechanism, and the test board (4) is arranged above the conveying belt (11) and connected with the lifting mechanism (2);
the bottom surface of the test board (4) is provided with a plurality of test contacts (43), and the test contacts (43) are arranged on the test board (4) in a matrix form corresponding to the placing groove (31); and the test board (4) is provided with status indicator lamps (41) which respectively correspond to the test contacts (43).
2. A device for testing a memory according to claim 1, characterized in that one side of said status indicator light (41) is provided with a test mark (42) corresponding thereto.
3. A device for testing memories according to claim 1 or 2, characterised in that the placement slot (31) is provided with a corresponding placement label (32) on one side.
4. The device for testing a storage device according to claim 1, wherein the conveying mechanism (1) further comprises a frame (12) and two rollers (15) arranged on the frame (12), the two rollers (15) are provided, and the conveying belt (11) is sleeved on the two rollers (15); and a servo motor (13) for driving one roller (15) is arranged on the outer side of the frame (12).
5. A device for testing a memory according to claim 4, characterized in that the frame (12) is horizontally provided with a support plate (14) corresponding to the test plate (4) up and down and supporting the upper surface of the conveyor belt (11).
6. The memory testing device of claim 5, wherein the connecting positions of a set of opposite side edges of the supporting plate (14) corresponding to the length direction of the conveyer belt (11) and the top surface of the supporting plate (14) are in a chamfer structure.
7. The testing device of the memory according to claim 4, wherein the lifting mechanism (2) comprises a vertical plate (21), a lifting cylinder (22), a supporting block, a sliding block (231) and a sliding groove (211); the vertical plate (21) is vertically arranged on the rack (12), the lifting cylinder (22) is vertically arranged on the upper portion of the vertical plate (21), and the supporting block is arranged at the ejection end of the lifting cylinder (22) and is connected with the test plate (4).
8. The testing device of the memory according to claim 7, wherein the two sliding blocks (231) are provided and arranged on one side of the supporting block close to the vertical plate (21), and the sliding groove (211) is vertically recessed on the vertical plate (21) and is matched with the sliding block (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221346521.9U CN217588431U (en) | 2022-05-31 | 2022-05-31 | Testing device of memory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221346521.9U CN217588431U (en) | 2022-05-31 | 2022-05-31 | Testing device of memory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217588431U true CN217588431U (en) | 2022-10-14 |
Family
ID=83527224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221346521.9U Active CN217588431U (en) | 2022-05-31 | 2022-05-31 | Testing device of memory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217588431U (en) |
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2022
- 2022-05-31 CN CN202221346521.9U patent/CN217588431U/en active Active
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