CN220004988U - Piezoresistor testing device - Google Patents
Piezoresistor testing device Download PDFInfo
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- CN220004988U CN220004988U CN202320863385.9U CN202320863385U CN220004988U CN 220004988 U CN220004988 U CN 220004988U CN 202320863385 U CN202320863385 U CN 202320863385U CN 220004988 U CN220004988 U CN 220004988U
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- piezoresistor
- channel
- conveying channel
- varistor
- material conveying
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000002699 waste material Substances 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a piezoresistor testing device, which comprises: the feeding mechanism comprises a material conveying channel, a plurality of first conveying components arranged on the material conveying channel, and a first motor for driving the first conveying components to convey, wherein the plurality of first conveying components are distributed along the length direction of the material conveying channel, and the first conveying components comprise an upper roller and a lower roller which vertically clamp and convey the varistor belt; the testing mechanism comprises a tester, a detection head electrically connected with the tester, and a first power piece for driving the detection head to press down for testing, wherein the detection head is positioned above the material conveying channel and is used for testing the varistor tape; the selecting mechanism comprises a pneumatic clamping jaw for clamping the piezoresistor, a first air cylinder for driving the pneumatic clamping jaw to move, and a waste box located below the pneumatic clamping jaw, wherein the pneumatic clamping jaw is located on one side of the conveying channel and provided with a clamping opening, and the clamping opening faces the detecting head. According to the utility model, unqualified piezoresistors are not required to be selected manually, so that the detection efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of resistance testing equipment, in particular to a piezoresistor testing device.
Background
In the production of piezoresistors, the piezoresistors need to be tested, and test items comprise voltage-sensitive voltage, leakage current and the like, so that whether the performance of the piezoresistors is good can be detected.
Conventionally, the piezoresistor is detected by using a piezoresistor testing device, defective products are found in the testing process, and operators are required to select the defective products, however, the manual selection efficiency is low.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the piezoresistor testing device, which does not need to manually select unqualified piezoresistors and improves the detection efficiency.
According to an embodiment of the first aspect of the present utility model, a varistor testing device includes: the feeding mechanism comprises a material conveying channel, a plurality of first conveying components arranged on the material conveying channel, and a first motor for driving the first conveying components to convey, wherein the plurality of first conveying components are distributed along the length direction of the material conveying channel, the first conveying components comprise an upper roller and a lower roller, and the upper roller and the lower roller vertically clamp and convey the varistor belt; the testing mechanism comprises a tester, a detection head electrically connected with the tester and a first power piece for driving the detection head to press down for testing, wherein the detection head is positioned above the material conveying channel and is used for testing the varistor tape; the selecting mechanism comprises a pneumatic clamping jaw for clamping the piezoresistor, a first air cylinder for driving the pneumatic clamping jaw to move and a waste box located below the pneumatic clamping jaw, wherein the pneumatic clamping jaw is located on one side of the material conveying channel, and is provided with a clamping opening which faces the detecting head.
According to some embodiments of the utility model, a limiting plate is arranged between the material conveying channel and the detecting head, a first channel is formed between the limiting plate and the material conveying channel, and the first channel accommodates the varistor tape.
According to some embodiments of the utility model, the detection head comprises a connecting plate horizontally arranged, two probes connected with the bottom of the connecting plate, the first power piece comprises a second cylinder, the telescopic end of the second cylinder is connected with the connecting plate, and the probes are located on one side of the clamping opening.
According to some embodiments of the utility model, a collection box is arranged at the discharge end of the material conveying channel, and the collection box is positioned below the material conveying channel.
According to some embodiments of the utility model, the pressure sensitive resistor strip feeding device further comprises a feeding mechanism, wherein the feeding mechanism comprises a feeding table for supporting the pressure sensitive resistor strip, a pushing block slidably arranged on the feeding table, and a third air cylinder driving the pushing block to move, the feeding table is positioned on one side of the material conveying channel, and the pushing block is used for pushing the pressure sensitive resistor strip from the feeding table to the material conveying channel.
According to some embodiments of the utility model, the material conveying channel is provided with a limit bar, and the limit bar is located at one side of the material conveying channel away from the material conveying table.
According to some embodiments of the utility model, the feeding mechanism further comprises a second conveying assembly arranged on the conveying channel and a second motor for driving the second conveying assembly to convey, the second conveying assembly is located on one side of the feeding table, the second conveying assembly comprises an upper roller and a lower roller for clamping and conveying the varistor belt, and the upper roller can be arranged in a vertically movable mode.
The piezoresistor testing device provided by the embodiment of the utility model has at least the following beneficial effects:
1. according to the utility model, the upper roller, the lower roller and the first motor are arranged, and the first motor is utilized to drive the lower roller to rotate, so that the upper roller and the lower roller clamp and convey the piezoresistor belt horizontally placed, and the piezoresistor belt is conveyed to a test position, and the automation degree of equipment is improved.
2. According to the utility model, the tester, the detection head and the first power piece are arranged, the first power piece can drive the detection head to press down, so that the detection head can detect each piezoresistor, and the tester is used for outputting a test result to judge whether the performance of each piezoresistor is qualified, so that the piezoresistor is automatically tested.
3. According to the utility model, the pneumatic clamping jaw, the first air cylinder and the waste box are arranged, the first air cylinder can drive the pneumatic clamping jaw to be close to the piezoresistor, the pneumatic clamping jaw clamps the piezoresistor with unqualified performance, and then the first air cylinder drives the pneumatic clamping jaw to be close to the opening of the waste box, so that the unqualified piezoresistor falls into the waste box, and therefore, the unqualified piezoresistor is not required to be selected manually, and the detection efficiency is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a varistor testing device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of another view of the varistor testing device shown in FIG. 1;
FIG. 3 is a schematic diagram of another view of the varistor testing device shown in FIG. 1.
Reference numerals: 100-material conveying channels, 110-first motors, 120-upper rollers, 130-lower rollers, 140-varistor tapes, 150-testers, 160-test heads, 170-pneumatic clamping jaws, 180-first cylinders, 190-waste bins, 200-clamping ports, 210-limit plates, 220-first channels, 230-connecting plates, 240-probes, 250-second cylinders, 260-material collecting bins, 270-feeding tables, 280-pushing blocks, 290-third cylinders, 300-limit bars, 310-second motors, 320-upper rollers and 330-lower rollers.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
A varistor testing device according to an embodiment of the present utility model is described below with reference to the accompanying drawings.
Referring to fig. 1, a piezoresistor testing device according to an embodiment of the present utility model includes a feeding mechanism, a testing mechanism, and a selecting mechanism.
Referring to fig. 1 and 3, the feeding mechanism includes a feeding channel 100, a plurality of first conveying components disposed on the feeding channel 100, and a first motor 110 driving the first conveying components to convey, where the plurality of first conveying components are distributed along a length direction of the feeding channel 100, and the first conveying components include an upper roller 120 and a lower roller 130, and the upper roller 120 and the lower roller 130 vertically clamp and convey a varistor belt 140.
The testing mechanism includes a tester 150, a testing head 160 electrically connected to the tester 150, and a first power member for driving the testing head 160 to press down for testing, where the testing head 160 is located above the material conveying channel 100, and the testing head 160 is used for testing the varistor tape 140.
Referring to fig. 2, the selecting mechanism includes a pneumatic clamping jaw 170 for clamping a piezoresistor, a first air cylinder 180 driving the pneumatic clamping jaw 170 to move, and a waste bin 190 located below the pneumatic clamping jaw 170, wherein the pneumatic clamping jaw 170 is located at one side of the material conveying channel 100, the pneumatic clamping jaw 170 has a clamping opening 200, and the clamping opening 200 faces the detecting head 160.
In some embodiments of the present utility model, the feeding mechanism further comprises a feeding table 270 for supporting the varistor tape 140, a pushing block 280 slidably disposed on the feeding table 270, and a third air cylinder 290 for driving the pushing block 280 to move, wherein the feeding table 270 is located at one side of the feeding channel 100, and the pushing block 280 is used for pushing the varistor tape 140 from the feeding table 270 to the feeding channel 100.
Thus, an operator may place the varistor tape 140 on the feeding table 270, and the third air cylinder 290 drives the pushing block 280 to move, so that the pushing block 280 pushes the varistor tape 140 from the feeding table 270 to the feeding channel 100.
In some embodiments of the present utility model, the material conveying channel 100 is provided with a limit strip 300, and the limit strip 300 is located on a side of the material conveying channel 100 away from the material conveying table 270, so that the limit strip 300 can limit the varistor belt 140, and correct the position of the varistor, so as to facilitate the subsequent correct test.
In some embodiments of the present utility model, the feeding mechanism further includes a second conveying assembly disposed on the feeding channel 100, and a second motor 310 driving the second conveying assembly to convey, where the second conveying assembly is located on one side of the feeding table 270, and the second conveying assembly includes an upper roller 320 and a lower roller 330 for clamping and conveying the varistor belt 140, and the upper roller 320 is disposed to move up and down, so that the upper roller 320 can ascend, and the varistor belt 140 can be accommodated between the upper roller 320 and the lower roller 330, and can be smoothly moved from the feeding table 270 onto the feeding channel 100, and then the upper roller 320 descends, and the upper roller 320 and the lower roller 330 are used to clamp and convey the varistor belt 140.
It should be noted that, the upper roller 320 may be lifted by an air cylinder.
In some embodiments of the present utility model, a limiting plate 210 is disposed between the feeding path 100 and the detecting head 160, and a first channel 220 is formed between the limiting plate 210 and the feeding path 100, where the first channel 220 accommodates the varistor tape 140 to pass through, so that the varistor tape 140 can be limited during testing, and the offset position of the varistor tape 140 is reduced.
In some embodiments of the present utility model, the detecting head 160 includes a connecting plate 230 horizontally disposed, two probes 240 connected to the bottom of the connecting plate 230, the first power member includes a second cylinder 250, the telescopic end of the second cylinder 250 is connected to the connecting plate 230, and the probes 240 are located at one side of the gripping port 200.
Thus, the probe 240 contacts the pins of the varistor so that the performance of the varistor is effectively detected and the pneumatic clamping jaw 170 is able to timely clamp off-specification piezoresistors.
In some embodiments of the present utility model, the discharge end of the feed channel 100 is provided with a collection bin 260, and the collection bin 260 is located below the feed channel 100, thereby facilitating collection of the sensed varistor strips 140.
Thus, the present embodiment has the following effects:
1. according to the utility model, the upper roller 120, the lower roller 130 and the first motor 110 are arranged, and the first motor 110 is utilized to drive the lower roller 130 to rotate, so that the upper roller 120 and the lower roller 130 clamp and convey the piezoresistor strip 140 which is horizontally placed, and therefore, the piezoresistor strip 140 is conveyed to a testing position, and the automation degree of equipment is improved.
2. According to the utility model, the tester 150, the detection head 160 and the first power piece are arranged, the first power piece can drive the detection head 160 to press down, so that the detection head 160 can detect each piezoresistor, and the tester 150 is used for outputting a test result to judge whether the performance of each piezoresistor is qualified, thereby realizing automatic testing of the piezoresistor.
3. According to the utility model, the pneumatic clamping jaw 170, the first air cylinder 180 and the waste bin 190 are arranged, the first air cylinder 180 can drive the pneumatic clamping jaw 170 to be close to the piezoresistor, the pneumatic clamping jaw 170 clamps the piezoresistor with unqualified performance, and then the first air cylinder 180 drives the pneumatic clamping jaw 170 to be close to an opening of the waste bin 190, so that the unqualified piezoresistor falls into the waste bin 190, and therefore, the unqualified piezoresistor is not required to be selected manually, and the detection efficiency is improved.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. A varistor testing device, comprising:
the feeding mechanism comprises a material conveying channel (100), a plurality of first conveying components arranged on the material conveying channel (100), and a first motor (110) for driving the first conveying components to convey, wherein the plurality of first conveying components are distributed along the length direction of the material conveying channel (100), the first conveying components comprise an upper roller (120) and a lower roller (130), and the upper roller (120) and the lower roller (130) are used for clamping and conveying the varistor belt (140) up and down;
the testing mechanism comprises a tester (150), a detection head (160) electrically connected with the tester (150) and a first power piece for driving the detection head (160) to press down for testing, wherein the detection head (160) is positioned above the material conveying channel (100), and the detection head (160) is used for testing the piezoresistor strip (140);
the selecting mechanism comprises a pneumatic clamping jaw (170) for clamping a piezoresistor, a first air cylinder (180) for driving the pneumatic clamping jaw (170) to move, and a waste box (190) located below the pneumatic clamping jaw (170), wherein the pneumatic clamping jaw (170) is located on one side of the conveying channel (100), the pneumatic clamping jaw (170) is provided with a clamping opening (200), and the clamping opening (200) faces the detecting head (160).
2. The piezoresistor testing device according to claim 1, wherein a limiting plate (210) is disposed between the material conveying channel (100) and the detecting head (160), a first channel (220) is formed between the limiting plate (210) and the material conveying channel (100), and the first channel (220) accommodates the piezoresistor strip (140) to pass through.
3. The piezoresistor testing device according to claim 1, wherein the detecting head (160) comprises a connecting plate (230) horizontally arranged, two probes (240) connected with the bottom of the connecting plate (230), the first power member comprises a second cylinder (250), the telescopic end of the second cylinder (250) is connected with the connecting plate (230), and the probes (240) are located on one side of the clamping opening (200).
4. The piezoresistor testing device according to claim 1, wherein the discharge end of the material conveying channel (100) is provided with a material collecting box (260), and the material collecting box (260) is located below the material conveying channel (100).
5. The varistor testing device according to claim 1, further comprising a feeding mechanism, wherein the feeding mechanism comprises a feeding table (270) for supporting the varistor tape (140), a pushing block (280) slidably arranged on the feeding table (270), and a third cylinder (290) for driving the pushing block (280) to move, the feeding table (270) is positioned on one side of the feeding channel (100), and the pushing block (280) is used for pushing the varistor tape (140) from the feeding table (270) to the feeding channel (100).
6. The varistor testing device according to claim 5, wherein the material conveying channel (100) is provided with a limit strip (300), and the limit strip (300) is located at a side of the material conveying channel (100) away from the material feeding table (270).
7. The piezoresistor testing device according to claim 5, wherein the feeding mechanism further comprises a second conveying assembly arranged on the conveying channel (100) and a second motor (310) driving the second conveying assembly to convey, the second conveying assembly is located on one side of the feeding table (270), the second conveying assembly comprises an upper roller (320) and a lower roller (330) for clamping and conveying the piezoresistor belt (140), and the upper roller (320) can be arranged in a vertically movable manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320863385.9U CN220004988U (en) | 2023-04-17 | 2023-04-17 | Piezoresistor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320863385.9U CN220004988U (en) | 2023-04-17 | 2023-04-17 | Piezoresistor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220004988U true CN220004988U (en) | 2023-11-14 |
Family
ID=88692520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320863385.9U Active CN220004988U (en) | 2023-04-17 | 2023-04-17 | Piezoresistor testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220004988U (en) |
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2023
- 2023-04-17 CN CN202320863385.9U patent/CN220004988U/en active Active
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