CN211060817U - Detection and alarm device for warping degree of printed circuit board - Google Patents
Detection and alarm device for warping degree of printed circuit board Download PDFInfo
- Publication number
- CN211060817U CN211060817U CN201922183468.XU CN201922183468U CN211060817U CN 211060817 U CN211060817 U CN 211060817U CN 201922183468 U CN201922183468 U CN 201922183468U CN 211060817 U CN211060817 U CN 211060817U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- printed circuit
- contact sensor
- telescopic ruler
- transmission track
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a crooked perk of printed circuit board detects alarm device, its installs on the horizontal support platform of one side of transmission track for detect the printed circuit board that moves on this transmission track, it includes: a base having a bottom plate and a fixing plate formed by vertically bending one end of the bottom plate, the bottom plate being fixed to the horizontal support table such that the fixing plate is perpendicular to the horizontal support table; the detector comprises a detection main body, a telescopic ruler and a contact sensor, wherein the detection main body is fixed on one side of the fixed plate close to the transmission rail, the inner side edge of the telescopic ruler corresponding to the transmission rail below the detection main body can telescopically penetrate through the detection main body, so that when the printed circuit board is placed on the transmission rail below the detector, the telescopic ruler is aligned to the edge of the printed circuit board, and the contact sensor is arranged at the bottom of the telescopic ruler.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a crooked perk detection alarm device, especially a crooked perk detection alarm device of printed circuit board.
[ background of the invention ]
Electronic products are usually assembled on a standard horizontal table, and the device usually defaults to a PCB (Printed Circuit Board) in a horizontal state. However, in actual production, the PCB is usually warped, in order to avoid the deformation of the PCB, the current solution of the downward deformation of the PCB is to add a support, and the support pins are added to mainly correct the deformation of the PCB, ensure the level of the PCB, and ensure the placing member to be at a uniform level position, but the current solution of the upward deformation of the PCB is not good. Warping is a common phenomenon in PCB manufacturing, and can only be controlled within a bad range inevitably, and there is a standard for defining warping (bending or bending) of the PCB in an operation specification, however, there is no detection means or device in the industry at present, and therefore, once the PCB is deformed, the product quality is directly affected, and even the PCB is scrapped.
In view of this, the utility model provides a crooked perk degree of printed circuit board detects alarm device, and it can detect the crooked perk degree of printed circuit board in the actual production to report to the police to actual harmfully sending, prevent to scrape to rub and scrap printed circuit board.
[ Utility model ] content
The utility model aims to solve the technical problem that a crooked perk degree of printed circuit board detects alarm device is provided, it can detect the crooked perk degree of printed circuit board in the actual production to report to the police to actual harmfully sending, prevent to scrape to scrap printed circuit board.
In order to solve the technical problem, the utility model provides a crooked perk degree of printed circuit board detects alarm device, it is installed on the horizontal support platform of one side of transmission track for detect the printed circuit board that moves on this transmission track, it includes:
a base having a bottom plate and a fixing plate formed by vertically bending one end of the bottom plate, the bottom plate being fixed to the horizontal support table such that the fixing plate is perpendicular to the horizontal support table;
the detecting instrument comprises a detecting main body, a telescopic ruler and a contact sensor, wherein the detecting main body is fixed on one side of the fixing plate close to the transmission track, the telescopic ruler is telescopically penetrated through the detecting main body corresponding to the inner side edge of the transmission track below the detecting instrument, so that when the printed circuit board is placed on the transmission track below the detecting instrument, the telescopic ruler is aligned to the edge of the printed circuit board, the contact sensor is arranged at the bottom of the telescopic ruler, when the printed circuit board is detected, the telescopic ruler is downwards moved until the contact sensor contacts the standard printed circuit board, the position of the telescopic ruler is set as a zero point, then the telescopic ruler is upwards moved for a preset distance according to the allowable warpage of the printed circuit board to be detected, and when the allowable warpage of the printed circuit board on the transmission track exceeds the allowable warpage, the printed circuit board contacts the contact sensor, triggering the contact sensor to send out an abnormal signal.
And the alarm is electrically connected with the contact sensor and is used for sending out a warning signal after receiving the abnormal signal.
Preferably, the bottom plate is fixed to the horizontal support table by means of a screw lock.
Preferably, the detection body is provided with a zero-setting key for setting the telescopic ruler to a zero point after being pressed. The detection main body is also provided with a display screen for displaying the data measured by the telescopic ruler.
Compared with the prior art, the utility model discloses the crooked perk degree of printed circuit board detects alarm device, be fixed in horizontal supporting bench through the base with the detector on, through the highly setting that will set up in the contact pick up of this detector bottom detect the transmission track on the highest position of allowable crooked perk degree whether the printed circuit board of removal can touch contact pick up, when touching this contact pick up, then can trigger this contact pick up and send abnormal signal for this alarm, this alarm then can send alarm signal, reach the crooked perk degree of printed circuit board to in the actual production from this and detect, and send the warning to actual harmfully, prevent to scrape to rub scrapped printed circuit board.
[ description of the drawings ]
Fig. 1 is the utility model discloses the crooked perk of printed circuit board detects alarm device installation schematic diagram.
Fig. 2 is the utility model discloses the crooked perk degree of printed circuit board detects alarm device's theory of operation diagram.
[ detailed description ] embodiments
Please refer to fig. 1, the utility model provides a crooked perk degree of printed circuit board detects alarm device, it is installed on the horizontal support platform 3 of one side of transmission track 2 for detect this transmission track 2 and go up printed circuit board 4 that removes, the utility model discloses a crooked perk degree of printed circuit board detects alarm device includes base 10, detector 11 and alarm 12.
The base 10 has a bottom plate 100 and a fixing plate 101 formed by vertically bending one end of the bottom plate 100, the bottom plate 100 is fixed on the horizontal supporting platform 3, so that the fixing plate 101 is perpendicular to the horizontal supporting platform 3, in this embodiment, the bottom plate 100 is fixed on the horizontal supporting platform 3 by a screw lock.
The testing apparatus 11 comprises a testing body 110, a retractable ruler 111 and a contact sensor 112, wherein the testing body 110 is fixed on one side of the fixing plate 101 close to the transmission rail 2, the retractable ruler 111 is telescopically penetrated through the testing body 110 corresponding to the inner edge of the lower transmission rail 2, so that when the printed circuit board 4 is placed on the transmission rail 2 under the testing apparatus 11, the retractable ruler 111 is aligned with the edge of the printed circuit board 4, and the contact sensor 112 is disposed at the bottom of the retractable ruler 111. When the pcb 4 is to be inspected, a user can set a zero point through the retractable ruler 111, for example, place a standard pcb below the inspection apparatus 11, move the retractable ruler 111 downward until the contact sensor 112 contacts the standard pcb (pcb with a warpage of almost zero), set the position of the retractable ruler 111 at the zero point, and then move the retractable ruler 111 upward by a predetermined distance, for example, 2mm, according to the allowable warpage of the pcb 4 to be inspected, when the allowable warpage of the pcb 4 on the transmission rail 2 exceeds the allowable warpage, the pcb 4 will contact the contact sensor 112, and trigger the contact sensor 112 to send an abnormal signal. In this embodiment, the working principle of the detecting body 110 and the telescopic ruler 111 is the same as that of a digital vernier caliper, and the detecting body 110 is provided with a zero-resetting key 1100, so that a user presses the zero-resetting key 1100 to set a zero point (zero) of the telescopic ruler 11. The detection main body 110 is further provided with a display screen 1101 for displaying the data measured by the retractable ruler 111.
The alarm 12 is electrically connected to the contact sensor 112, and is configured to send out a warning signal after receiving the abnormal signal.
In other embodiments of the present invention, the contact sensor 112 can also be electrically connected to a controller (not shown) of the transmission track 2, and when the transmission track 2 receives the abnormal signal, the controller can control the transmission track 2 to stop operating.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. The utility model provides a crooked perk of printed circuit board detects alarm device, its installs on the horizontal support platform of one side of transmission track for detect the printed circuit board that moves on this transmission track, its characterized in that includes:
a base having a bottom plate and a fixing plate formed by vertically bending one end of the bottom plate, the bottom plate being fixed to the horizontal support table such that the fixing plate is perpendicular to the horizontal support table;
the detecting instrument comprises a detecting main body, a telescopic ruler and a contact sensor, wherein the detecting main body is fixed on one side of the fixing plate close to the transmission track, the telescopic ruler is telescopically penetrated through the detecting main body corresponding to the inner side edge of the transmission track below the detecting instrument, so that when the printed circuit board is placed on the transmission track below the detecting instrument, the telescopic ruler is aligned to the edge of the printed circuit board, the contact sensor is arranged at the bottom of the telescopic ruler, when the printed circuit board is detected, the telescopic ruler is downwards moved until the contact sensor contacts the standard printed circuit board, the position of the telescopic ruler is set as a zero point, then the telescopic ruler is upwards moved for a preset distance according to the allowable warpage of the printed circuit board to be detected, and when the allowable warpage of the printed circuit board on the transmission track exceeds the allowable warpage, the printed circuit board contacts the contact sensor, triggering the contact sensor to send out an abnormal signal; and
and the alarm is electrically connected with the contact sensor and is used for sending out a warning signal after receiving the abnormal signal.
2. The apparatus of claim 1, wherein the base plate is fixed to the horizontal support platform by a screw lock.
3. The warpage detection alarm device of claim 1 or 2, wherein the detection body is provided with a zero-setting key for setting the retractable ruler at zero point after being pressed, and a display screen for displaying the data measured by the retractable ruler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183468.XU CN211060817U (en) | 2019-12-06 | 2019-12-06 | Detection and alarm device for warping degree of printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183468.XU CN211060817U (en) | 2019-12-06 | 2019-12-06 | Detection and alarm device for warping degree of printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211060817U true CN211060817U (en) | 2020-07-21 |
Family
ID=71586156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922183468.XU Expired - Fee Related CN211060817U (en) | 2019-12-06 | 2019-12-06 | Detection and alarm device for warping degree of printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211060817U (en) |
-
2019
- 2019-12-06 CN CN201922183468.XU patent/CN211060817U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20211206 |