CN220961261U - IC chip silk screen printing detection device - Google Patents
IC chip silk screen printing detection device Download PDFInfo
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- CN220961261U CN220961261U CN202322641476.0U CN202322641476U CN220961261U CN 220961261 U CN220961261 U CN 220961261U CN 202322641476 U CN202322641476 U CN 202322641476U CN 220961261 U CN220961261 U CN 220961261U
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- 238000007650 screen-printing Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The present disclosure discloses an IC chip silk screen printing detection device, comprising: the device comprises a machine table, wherein a sliding rail is arranged on the machine table, a tray is arranged on the sliding rail, and a plurality of IC chips to be detected are placed on the tray; the machine is also provided with an acquisition mechanism for acquiring the screen printing image of the surface of the IC chip to be detected on the tray with random height; the machine is also provided with a detection mechanism for detecting the collected silk-screen image on the surface of the IC chip to be detected. The method and the device can clearly collect the silk screen printing of the surfaces of the IC chips on the tray with different heights.
Description
Technical Field
The disclosure belongs to the technical field of IC testing, and particularly relates to an IC chip screen printing detection device.
Background
Chip testing is typically divided into lots by customer, model, and batch by batch, the same customer, model, and batch will have different batches, and each batch of ICs will have only one screen print. In the manual feeding process, if only the internal model of the IC is concerned, the silk screen printing on the surface of the IC is not acquired and compared, the mixture is easy to occur, if the mixture is once occurred, the working efficiency is affected by reworking, and the damage and the irreversibility of the IC are caused. Therefore, it is necessary to provide a device capable of detecting the IC screen before feeding.
Disclosure of utility model
Aiming at the defects in the prior art, the purpose of the disclosure is to provide an IC chip screen printing detection device which can detect and compare screen printing on the surface of an IC chip, thereby effectively avoiding reworking caused by manual feeding error.
In order to achieve the above object, the present disclosure provides the following technical solutions:
An IC chip screen printing detection device, comprising:
A machine platform, a machine platform and a machine platform,
The machine table is provided with a sliding rail, the sliding rail is provided with a tray, and a plurality of IC chips to be detected are placed on the tray;
The machine is also provided with an acquisition mechanism for acquiring screen printing images of the surfaces of the IC chips to be detected on the trav discs with random heights;
The machine is also provided with a detection mechanism for detecting the collected silk-screen image on the surface of the IC chip to be detected.
Preferably, the collection mechanism includes:
a servo motor is arranged on the upper surface of the shell,
The servo motor is connected with one side of the screw rod through a coupler, and the other side of the screw rod is connected with a fixing piece arranged on the machine table;
The screw rod is provided with a sliding connecting piece in a penetrating mode, one end of the sliding connecting piece is arranged on a track connected with the screw rod in a sliding mode, and the other end of the sliding connecting piece is provided with a camera.
Preferably, a baffle plate of the feeding area is arranged on the sliding rail.
Preferably, the slide rail is further provided with a front chuck cylinder connecting block and a rear chuck cylinder connecting block.
Preferably, the front chuck cylinder connecting block is provided with a third sensor, and the rear chuck cylinder connecting block is provided with a fourth sensor.
Preferably, a first limiting rod and a second limiting rod are arranged on the front chuck cylinder connecting block.
Preferably, the first limiting rod is provided with a first sensor, and the second limiting rod is provided with a second sensor.
Preferably, a fifth sensor and a sixth sensor are respectively arranged at the position, close to the servo motor, of the machine table.
Preferably, a seventh sensor and an eighth sensor are further arranged at positions, close to the first limiting rod and the second limiting rod, on the machine table respectively.
Preferably, the detection mechanism comprises an industrial personal computer.
Compared with the prior art, the beneficial effects that this disclosure brought are:
1. The height-adjustable camera is arranged, so that the acquisition requirement on the IC surface screen printing on the tray with different heights can be met;
2. Through setting up a plurality of inductors, can respond to the removal position of camera, and then intelligent height adjustment to the camera.
Drawings
Fig. 1 is a schematic structural diagram of an IC chip silk screen printing detection device according to one embodiment of the disclosure;
FIG. 2 is a schematic diagram of an interface of comparative software in an industrial personal computer according to another embodiment of the disclosure;
The reference numerals are explained as follows:
1. trav discs; 2. a baffle plate of a feeding area; 3. a slidable connector; 4. a screw rod; 5. a camera; 6. a fixing member; 7. a servo motor; 8. a coupling; 9. a fifth inductor; 10. a sixth inductor; 11. a seventh inductor; 12. an eighth inductor; 13. a first stop lever; 14. a second limit rod; 15. a first inductor; 16. a second inductor; 17. a front chuck cylinder connecting block; 18. a rear chuck cylinder connecting block; 19. an industrial personal computer; 20. a third inductor; 21. a fourth inductor; 22. a slide rail; 23. a track; 24. a machine.
Detailed Description
Specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. While specific embodiments of the disclosure are shown in the drawings, it should be understood that the disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be noted that certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will understand that a person may refer to the same component by different names. The specification and claims do not identify differences in terms of components, but rather differences in terms of the functionality of the components. As used throughout the specification and claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description hereinafter sets forth the preferred embodiments for carrying out the present disclosure, but is not intended to limit the scope of the disclosure in general, as the description proceeds. The scope of the present disclosure is defined by the appended claims.
For the purposes of promoting an understanding of the embodiments of the disclosure, reference will now be made to the embodiments illustrated in the drawings and specific examples, without the intention of being limiting the embodiments of the disclosure.
In one embodiment, as shown in fig. 1, the present disclosure provides an IC chip silk screen printing detection device, including:
the machine table 24 is provided with a plurality of processing units,
The machine table 24 is provided with a slide rail 22, the slide rail 22 is provided with a tray 1, and a plurality of IC chips to be detected are placed on the tray 1;
The machine table 24 is also provided with an acquisition structure for acquiring screen printing images of the surface of the IC chip to be detected on the trav discs with random heights;
the machine 24 is also provided with a detection mechanism for detecting the collected silk-screen image on the surface of the IC chip to be detected.
The above embodiments constitute a complete technical solution of the present disclosure. According to the embodiment, the silk screen printing on the surface of the IC is collected and compared before manual feeding, so that mixing can be avoided, and the reworking influence and the working efficiency can not be caused.
In another embodiment, the collection mechanism comprises:
The servo motor 7 is provided with a motor,
The servo motor 7 is connected with one side of the screw rod 4 through a coupler 8, and the other side of the screw rod 4 is connected with a fixing piece 6 arranged on the machine table;
The screw rod 4 is provided with a sliding connecting piece 3 in a penetrating manner, one end of the sliding connecting piece 3 is arranged on a track 23 connected with the screw rod 4 in a sliding manner, and the other end of the sliding connecting piece is provided with a camera 5.
In this embodiment, since the height of the tray 1 sliding into the detection area through the sliding rail 22 is random, according to this feature, the camera 5 is designed to be in a height adjustable mode in this embodiment, that is, the camera 5 is fixedly arranged on the slidable connecting piece 3, and the slidable connecting piece 3 is arranged on the track 23 connected with the screw rod 4, because one end of the screw rod 4 is connected with the servo motor 7 through the coupling 8, under the driving of the servo motor 7, the screw rod 4 drives the slidable connecting piece 3 to slide up and down along the track 23 in a straight line through rotation, so that the camera 5 moves up and down, and further, the silk screen printing on the surface of the IC chip placed on the tray 1 can be automatically focused and searched and clearly collected.
In another embodiment, the tail end of the sliding rail is provided with a baffle plate 2 of the feeding area.
In this embodiment, by providing the feeding area baffle 2 at the end of the slide rail, the tray 1 entering the detection area from the slide rail 22 can be blocked, so that the tray 1 is limited within the collection range of the collection mechanism.
In another embodiment, the slide rail 22 is further provided with a front chuck cylinder connecting block 17 and a rear chuck cylinder connecting block 18.
In this embodiment, the front chuck cylinder connecting block 17 and the rear chuck cylinder connecting block 18 are respectively disposed at two sides of the slide rail 22, wherein the front chuck cylinder connecting block 17 is located at the head of the tray and is close to the camera, and the rear chuck cylinder connecting block 18 is located at the tail of the tray and is far away from the camera. When the tray is entered into the detection area via the slide rail 22, the front chuck cylinder engagement block 17 and the rear chuck cylinder engagement block 18 are brought close to both sides of the tray 1 by the cylinders (not shown), thereby further fixing the tray 1 entered into the detection area.
In another embodiment, the front chuck cylinder adapter block 17 is provided with a third sensor 20 and the rear chuck cylinder adapter block 18 is provided with a fourth sensor 21.
In this embodiment, the third sensor 20 and the fourth sensor 21 are normally open sensors for sensing the position of the second tray at the loading level. When the number of the tray entering the detection area is less than or equal to 20, after five seconds, the third sensor 20 and the fourth sensor 21 are switched from a normally open state to a closed state, at this time, the machine stops moving, the servo motor 7 drives the screw rod 4 and drives the slidable connecting piece 3 to slide up and down along the track 23 after receiving a control signal sent by the PLC, so that the camera 5 moves downwards from the highest point, and the camera 5 automatically focuses and captures a silk-screen image on the surface of an IC chip placed on the tray 1 in real time in the downward moving process. The camera 5 is provided with a USB interface which can be connected to an industrial personal computer through a USB data line (not shown in the figure), so that a screen printing image collected by the camera 5 can be transmitted into the industrial personal computer and compared with stored standard screen printing information through screen printing comparison software in the industrial personal computer, and if the comparison is successful, the screen printing image is continuously produced by a handler; if the comparison fails, the machine alarms, the screen printing of the real object is triggered to be confirmed manually, the machine misjudges to cause the alarm, and the screen printing comparison software can continue to produce after inputting the password; if the mixture is confirmed manually, stopping the on-site confirmation processing of production feedback related personnel.
In another embodiment, the front chuck cylinder connecting block is provided with a first limiting rod 13 and a second limiting rod 14.
In this embodiment, the first limiting rod 13 is disposed on the front chuck cylinder connecting block on one side of the sliding rail 22, and the second limiting rod 14 is disposed on the front chuck cylinder connecting block on the other side of the sliding rail 22. The first limiting rod 13 and the second limiting rod 14 can slide on the slide rail along with the front chuck cylinder connecting block to adjust the front and rear positions of the slide rail, so that the tray is further limited.
In another embodiment, the first sensor 15 is disposed on the first stop lever 13, and the second sensor 16 is disposed on the second stop lever 14.
In this embodiment, the first sensor 15 and the second sensor 16 are normally open sensors for sensing the position of the twenty-first tray of the loading level. When the number of tray discs entering the detection area is greater than or equal to 2 and less than or equal to 20, after five seconds, the first sensor 15 and the second sensor 16 are switched from normal open to closed, at this time, the machine stops operating, the servo motor receives a control signal sent by the PLC, then adjusts the height of the camera 5 upwards, and the operation as described above is performed.
In another embodiment, a fifth sensor 9 and a sixth sensor 10 are respectively disposed at positions on the machine platform near the servo motor 7.
In this embodiment, the fifth sensor 9 and the sixth sensor 10 are used for sensing the upward moving position of the camera, and the upward moving limit position of the camera 5 is the position of the fifth sensor 9 and the sixth sensor 10. The fifth sensor 9 and the sixth sensor 10 are photoelectric sensors, signals are communicated when no object is blocked between the two sensors, and when the camera 5 moves to a position between the two sensors, the signals are blocked, and at the moment, the PLC receives feedback and controls the servo motor to run in the opposite direction, so that the camera 5 moves downwards under the drive of the servo motor 7.
In another embodiment, a seventh sensor 11 and an eighth sensor 12 are further disposed on the machine platform at positions close to the first limiting rod 13 and the second limiting rod 14, respectively.
In this embodiment, the seventh sensor 11 and the eighth sensor 12 are used for sensing the downward movement position of the camera, and the downward movement limit position of the camera 5 is the position of the seventh sensor 11 and the eighth sensor 12. Similarly, the seventh sensor 11 and the eighth sensor 12 are photoelectric sensors, and when no object is blocked between the two sensors, the signals are blocked when the camera 5 moves to a position between the two sensors, and at the moment, the PLC receives feedback and controls the servo motor to run in the forward direction, so that the camera 5 moves upwards under the drive of the servo motor 7.
In another embodiment, the detection mechanism comprises an industrial personal computer 19.
In this embodiment, the industrial personal computer is connected to all the above-mentioned inductors through the IO board, when the camera 5 transmits the collected silk-screen image on the IC chip surface on the tray to the industrial personal computer for comparison through the silk-screen comparison software, the machine stops, waits for the silk-screen comparison result, if pass sends a signal, the machine continues to produce; if fail, the machine stops alarming, and the machine is started after manual comparison.
Specifically, the interface of the screen printing comparison software (the screen printing comparison software is related to a production system of a company, and can automatically read the product batch currently produced by the machine in real time), and when the io signal triggers comparison, the screen printing image collected by the camera is compared with the printing generated by the production system, as shown in fig. 2. The camera 5 writes the silk-screen image acquired in real time into a camera setting and display area in contrast software in the moving process. Meanwhile, software can automatically write the machine number, batch and internal model in the local testinfo file of the industrial personal computer in the information comparison area, a process card can read the latest information and batch of the machine according to the machine number to a company production system and automatically compare the latest information and batch with images acquired by a camera, and if comparison is successful, the software displays pass and sends an operation signal to the machine at the same time, and the machine continues to work; if the comparison fails, the machine displays Fail, and starts up after waiting for the manual confirmation of the real object batch information.
The present inventors have described embodiments of the present disclosure in detail above in connection with the accompanying drawings of the specification, but it should be understood by those skilled in the art that the above embodiments are merely preferred examples of the present disclosure and are not limited to the specific embodiments described above. The detailed description is intended to aid the reader in better understanding the spirit of the application and is not intended to limit the scope of the disclosure, but rather any modifications or variations based on the spirit of the disclosure are intended to be included within the scope of the disclosure.
Claims (10)
1. An IC chip screen printing detection device, comprising:
A machine platform, a machine platform and a machine platform,
The machine table is provided with a sliding rail, the sliding rail is provided with a tray, and a plurality of IC chips to be detected are placed on the tray;
The machine is also provided with an acquisition mechanism for acquiring the screen printing image of the surface of the IC chip to be detected on the tray with random height;
The machine is also provided with a detection mechanism for detecting the collected silk-screen image on the surface of the IC chip to be detected.
2. The apparatus of claim 1, wherein the acquisition mechanism comprises:
a servo motor is arranged on the upper surface of the shell,
The servo motor is connected with one side of the screw rod through a coupler, and the other side of the screw rod is connected with a fixing piece arranged on the machine table;
The screw rod is provided with a sliding connecting piece in a penetrating mode, one end of the sliding connecting piece is arranged on a track connected with the screw rod in a sliding mode, and the other end of the sliding connecting piece is provided with a camera.
3. The device of claim 1, wherein the slide rail is provided with a feed zone baffle.
4. The apparatus of claim 1, wherein the slide rail further has a front chuck cylinder engagement block and a rear chuck cylinder engagement block disposed thereon.
5. The apparatus of claim 4 wherein a third sensor is provided on the front chuck cylinder adapter block and a fourth sensor is provided on the rear chuck cylinder adapter block.
6. The apparatus of claim 4 or 5, wherein the front chuck cylinder engagement block is provided with a first stop lever and a second stop lever.
7. The device of claim 6, wherein the first stop lever has a first sensor disposed thereon and the second stop lever has a second sensor disposed thereon.
8. The device of claim 1, wherein a fifth sensor and a sixth sensor are respectively arranged on the machine platform at positions close to the servo motor.
9. The device of claim 1, wherein a seventh sensor and an eighth sensor are further disposed on the machine platform at positions near the first stop lever and the second stop lever, respectively.
10. The apparatus of claim 1, wherein the detection mechanism comprises an industrial personal computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322641476.0U CN220961261U (en) | 2023-09-25 | 2023-09-25 | IC chip silk screen printing detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322641476.0U CN220961261U (en) | 2023-09-25 | 2023-09-25 | IC chip silk screen printing detection device |
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| Publication Number | Publication Date |
|---|---|
| CN220961261U true CN220961261U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322641476.0U Active CN220961261U (en) | 2023-09-25 | 2023-09-25 | IC chip silk screen printing detection device |
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| Country | Link |
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| CN (1) | CN220961261U (en) |
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2023
- 2023-09-25 CN CN202322641476.0U patent/CN220961261U/en active Active
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