CN215985800U - PCB defect board high accuracy detector based on raspberyPi - Google Patents
PCB defect board high accuracy detector based on raspberyPi Download PDFInfo
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- CN215985800U CN215985800U CN202122059681.7U CN202122059681U CN215985800U CN 215985800 U CN215985800 U CN 215985800U CN 202122059681 U CN202122059681 U CN 202122059681U CN 215985800 U CN215985800 U CN 215985800U
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Abstract
The utility model discloses a RaspberryPi-based high-precision detector for a PCB (printed Circuit Board) defective board, and relates to the technical field of PCB defective board detectors. The detector comprises a detector body, a base fixed on one side of the detector body and a conveying belt arranged on the upper side of the base; the upper side of the base is fixedly connected with two motors, the output ends of the motors are fixedly connected with screw rods, and the peripheral sides of the screw rods are in threaded fit with clamping mechanisms. According to the PCB defect board detector, the screw rod is arranged at the output end of the motor, the screw rod is in threaded fit with the clamping mechanism, the clamping mechanism can be driven to move to one side close to or far away from the transmission belt, and the PCB defect board detector is suitable for clamping and fixing PCBs of different specifications, so that the practicability of the PCB defect board detector is improved.
Description
Technical Field
The utility model belongs to the technical field of PCB defect plate detectors, and particularly relates to a Raspberry Pi-based high-precision PCB defect plate detector.
Background
The PCB defect detector is mainly used for detecting the circuit quality problem of a single-layer PCB which is not coated with green oil in the printing process. A high-precision, high-resolution and high-efficiency visual identification system is used for replacing a high-omission and low-efficiency manual quality inspection mode. The method has the advantages that the residual copper, micro short circuit and micro open circuit of the screen printing circuit are accurately detected, and meanwhile, the offset, dislocation and false alarm of the sawteeth of the printed circuit are avoided to the maximum extent.
However, the conventional Raspberry Pi-based PCB defect board detector does not have a device for fixing the PCB in the detection process, so that the PCB is easy to deviate and shake in the detection process, the detection accuracy is greatly reduced, and the accuracy of the detector is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a Raspberry Pi-based PCB defect board high-precision detector, which solves the problem of the prior art that the precision of the detector is reduced.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a PCB defect board high-precision detector based on Raspberry Pi comprises a detector body, a base fixed on one side of the detector body and a transmission belt arranged on the upper side of the base;
the upper side of the base is fixedly connected with two motors, the output ends of the motors are fixedly connected with screw rods, clamping mechanisms are in threaded fit with the peripheral sides of the screw rods, and the two clamping mechanisms are respectively located on two sides of the conveying belt.
Optionally, the clamping mechanism includes a plate body, a connecting plate rotationally fitted to one side of the plate body, a clamping plate rotationally fitted to one end of the connecting plate, a fixing block fixed to one end of the plate body, and two springs fixed between the fixing block and the clamping plate.
Optionally, a threaded hole is formed in the middle of the plate body, and the screw is in threaded fit in the threaded hole.
Optionally, a control panel is installed on one side of the detector body, and the transmission belt is located in the middle of the upper side of the base.
Optionally, the two clamping plates are located on two sides of the conveying belt.
Optionally, two ends of the connecting plate are respectively matched with the plate body and the clamping plate in a rotating mode.
The embodiment of the utility model has the following beneficial effects:
according to the embodiment of the utility model, the screw rod is arranged at the output end of the motor, the screw rod is in threaded fit with the clamping mechanism, so that the clamping mechanism can be driven to move to one side close to or far away from the transmission belt, and the PCB board detector is suitable for clamping and fixing PCB boards with different specifications, thereby improving the practicability of the PCB defect board detector.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of an assembled three-dimensional structure of a detector body and a base according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembled three-dimensional structure of a detector body and a control panel according to an embodiment of the present invention;
FIG. 3 is a schematic view of a mounting structure of a base and a conveyor according to an embodiment of the utility model;
fig. 4 is a schematic structural diagram of a portion a in fig. 3.
Wherein the figures include the following reference numerals:
the detector comprises a detector body 1, a base 2, a conveying belt 3, a motor 4, a screw rod 5, a clamping mechanism 6, a plate body 601, a connecting plate 602, a clamping plate 603, a fixing block 604, a spring 605 and a control panel 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.
Referring to fig. 1-4, in the present embodiment, a Raspberry Pi-based PCB defect board high-precision detector is provided, which includes: the detector comprises a detector body 1, a base 2 fixed on one side of the detector body 1, and a conveyor belt 3 arranged on the upper side of the base 2;
the upside fixedly connected with two motors 4 of base 2, the output end fixedly connected with screw rod 5 of motor 4, the week side screw-thread fit of screw rod 5 has fixture 6, and two fixture 6 are located the both sides of transmission band 3 respectively.
The application of one aspect of the embodiment is as follows: when using PCB defect board high accuracy detector, place the transmission band 3 on with the PCB board that needs detected earlier, then transmission band 3 drives the PCB board and removes in the detection zone, then start two motors 4, motor 4's output drives screw rod 5 and 6 screw-thread fit of fixture, make fixture 6 to the one side motion that is close to transmission band 3, can carry out the centre gripping to the PCB board of different specifications and fix, detector body 1 detects the PCB board after the centre gripping, thereby accomplished the use to PCB defect board high accuracy detector. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.
Set up screw rod 5 through the output at motor 4, screw rod 5 can drive fixture 6 to being close to or keeping away from one side motion of transmission band 3 with 6 screw-thread fit of fixture, it is fixed to be applicable to the PCB board of different specifications and carry out the centre gripping, thereby the practicality of PCB defect board detector has been promoted, set up fixture 6 in the both sides of transmission band 3, fixture 6 can carry out the centre gripping to the PCB board that needs detect fixedly, effectively avoid the PCB board skew to appear in the testing process and rock, ensure the accuracy that detects, thereby the accuracy of PCB defect board detector has been promoted.
Referring to fig. 3-4, the clamping mechanism 6 of the present embodiment includes a plate 601, a connecting plate 602 rotatably coupled to one side of the plate 601, a clamping plate 603 rotatably coupled to one end of the connecting plate 602, a fixing block 604 fixed to one end of the plate 601, and two springs 605 fixed between the fixing block 604 and the clamping plate 603. The plate body 601 drives the fixing block 604 to move, the two springs 605 on one side of the fixing block 604 fix the clamping plate 603 in an elastic mode, then the clamping plate 603 contacts the PCB, meanwhile, the connecting plate 602 on one side rotates moderately according to the width of the PCB, and the clamping plate 603 moderately extrudes the two springs 605, so that the clamping and fixing of the clamping plate 603 on the PCB are completed.
Referring to fig. 3-4, a threaded hole is formed in the middle of the plate body 601 of the present embodiment, and the screw 5 is threadedly engaged in the threaded hole. Screw 5 and plate body 601 screw-thread fit drive plate body 601 and move to the side of being close to or keeping away from transmission band 3, can carry out distance adjustment according to the PCB board of different specifications.
Referring to fig. 3, a control panel 7 is installed on one side of the detector body 1 of the present embodiment, and the conveyor belt 3 is located in the middle of the upper side of the base 2, so that the PCB on the conveyor belt 3 can be conveniently clamped by the clamping mechanisms 6 with the same distance on both sides. The control panel 7 is used for detecting and controlling the PCB and obtaining the detected result.
Referring to fig. 3, the two clamping plates 603 of the present embodiment are disposed on two sides of the conveyor 3. Make two grip blocks 603 to the PCB board centre gripping more stable, and do not hinder detector body 1 and detect the PCB board.
Referring to fig. 3-4, two ends of the connecting plate 602 of the present embodiment are respectively rotatably engaged with the plate body 601 and the clamping plate 603. Can carry out tiny moderate degree and adjust after touching the PCB board, make the centre gripping of grip block 603 and PCB board laminate stably more.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above 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 application described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Claims (6)
1. A PCB defect board high accuracy detector based on Raspberry Pi, its characterized in that includes: the detector comprises a detector body (1), a base (2) fixed on one side of the detector body (1), and a conveying belt (3) arranged on the upper side of the base (2);
the upper side of the base (2) is fixedly connected with two motors (4), the output ends of the motors (4) are fixedly connected with screw rods (5), clamping mechanisms (6) are matched with the peripheral side threads of the screw rods (5), and the two clamping mechanisms (6) are respectively positioned on two sides of the conveying belt (3).
2. A Raspberry Pi-based PCB defect board high accuracy tester as claimed in claim 1, wherein the clamping mechanism (6) comprises a board body (601), a connecting plate (602) rotatably fitted to one side of the board body (601), a clamping plate (603) rotatably fitted to one end of the connecting plate (602), a fixed block (604) fixed to one end of the board body (601), and two springs (605) fixed between the fixed block (604) and the clamping plate (603).
3. The Raspberry Pi-based high-precision detector for the PCB defect plate as recited in claim 2, wherein a threaded hole is formed in the middle of the plate body (601), and the screw rod (5) is in threaded fit in the threaded hole.
4. A Raspberry Pi based PCB defect board high accuracy tester as claimed in claim 1, wherein the tester body (1) is provided with a control panel (7) at one side, and the conveyor (3) is located at the middle of the upper side of the base (2).
5. A Raspberry Pi based PCB defect board high accuracy tester as claimed in claim 2, wherein the two clamping boards (603) are located at both sides of the conveyor belt (3).
6. A Raspberry Pi based PCB defect board high accuracy tester as claimed in claim 2, wherein both ends of the connection board (602) are rotatably engaged with the board body (601) and the holding board (603), respectively.
Priority Applications (1)
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CN202122059681.7U CN215985800U (en) | 2021-08-30 | 2021-08-30 | PCB defect board high accuracy detector based on raspberyPi |
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CN202122059681.7U CN215985800U (en) | 2021-08-30 | 2021-08-30 | PCB defect board high accuracy detector based on raspberyPi |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117233368A (en) * | 2023-11-09 | 2023-12-15 | 佳木斯大学 | Urine detector for puerpera |
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2021
- 2021-08-30 CN CN202122059681.7U patent/CN215985800U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117233368A (en) * | 2023-11-09 | 2023-12-15 | 佳木斯大学 | Urine detector for puerpera |
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