CN216386817U - Automatic test equipment for circuit board - Google Patents
Automatic test equipment for circuit board Download PDFInfo
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- CN216386817U CN216386817U CN202122310820.9U CN202122310820U CN216386817U CN 216386817 U CN216386817 U CN 216386817U CN 202122310820 U CN202122310820 U CN 202122310820U CN 216386817 U CN216386817 U CN 216386817U
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Abstract
The utility model discloses an automatic test device of a circuit board, which comprises: a work table; the outer cover is connected to one side, away from the ground, of the back of the workbench, and the outer cover and the workbench jointly form a detection chamber in a surrounding mode; the workpiece loading tray is arranged in the detection chamber and is rotationally connected with the workbench, a plurality of workpiece grooves are formed in the workpiece loading tray along the circumferential direction of the workpiece loading tray, and the workpiece grooves are circularly arranged; the limiting assembly is movably connected to the material carrying disc, and can fix the workpiece in the workpiece groove or detach the workpiece from the workpiece groove through the sliding of the limiting assembly; and the scanning assembly is connected to the workbench and is positioned on one side of the material carrying disc far away from the workbench so as to photograph the workpieces in the workpiece groove. The utility model provides automatic test equipment for a circuit board, which solves the technical problem of low detection efficiency in the current detection of the circuit board.
Description
Technical Field
The utility model relates to the field of circuit board production, in particular to automatic circuit board testing equipment.
Background
PCB is also called printed circuit board, which is a provider of electrical connection of electronic components. The PCB is designed by taking a circuit schematic diagram as a bluebook, and functions required by a circuit user are realized. With the rapid development of electronic technology, PCB is widely used in various fields, and almost all electronic devices include corresponding PCB, so the quality of PCB has a great influence on the quality of electronic devices.
Due to the influence of factors such as a printing process, a circuit board transportation environment, and the circuit board assembling of electrical components (SMT and DIP), defects such as short circuits, protruding copper, open circuits and the like inevitably occur, so that it is necessary to accurately find out defective points on the circuit board in the production process.
At present when carrying out defect inspection to the outward appearance of circuit board, most are through artifical visual inspection under inspection equipment's assistance, and work efficiency is not high, is unfavorable for detecting in batches.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide automatic test equipment for a circuit board, and aims to solve the technical problem that the detection efficiency is low when the circuit board is detected at present.
In order to achieve the above object, an embodiment of the present invention provides an automatic circuit board testing device, where the automatic circuit board testing device includes:
a work table;
the outer cover is connected to one side, away from the ground, of the workbench, and the outer cover and the workbench jointly enclose a detection chamber;
the workpiece carrying plate is arranged in the detection chamber and is rotationally connected with the workbench, a plurality of workpiece grooves are formed in the workpiece carrying plate along the circumferential direction, and the workpiece grooves are circularly arranged;
the limiting assembly is movably connected to the material carrying disc, and a workpiece can be fixed in the workpiece groove or detached from the workpiece groove through the sliding of the limiting assembly; and
and the scanning assembly is connected with the workbench and is positioned on one side of the workbench, and the material carrying disc is far away from the workbench so as to photograph the workpiece in the workpiece groove.
Optionally, in an embodiment of the present invention, the limiting assembly includes:
the material loading disc is provided with a first sliding groove for the first sliding rod to slide, the first sliding rod is provided with a first hidden end positioned in the first sliding groove and a first exposed end extending out of the first sliding groove, and the peripheral surface of the first sliding rod is provided with a positioning notch;
the first spring is sleeved on the peripheral surface of the first sliding rod, one end of the first spring is connected with one side, away from the first hidden end, of the positioning notch, and the other end of the first spring extends towards the direction away from the first hidden end and is connected to the inner wall of the first sliding groove;
the material loading disc is provided with a second sliding groove for the second sliding rod to slide, the first sliding groove and the workpiece groove are communicated with the second sliding groove, the second sliding rod is provided with a second hidden end positioned in the second sliding groove and a second exposed end extending out of the second sliding groove, and the first hidden end is provided with a clamping head; and
the second spring, the second spring housing is located the outer peripheral face of second slide bar, the one end of second spring with the dop is connected, the other end of second spring is towards keeping away from the second hides the direction of end and extends, and connect in the inner wall of second spout, through the slip of first slide bar, can make the dop select connect in the constant head tank or the outer peripheral face of first slide bar.
Optionally, in an embodiment of the present invention, the limiting assembly further includes a limiting protrusion, the limiting protrusion is located in the workpiece groove, and the limiting protrusion is disposed on an outer peripheral surface of the first slide bar close to the first exposed end and an outer peripheral surface of the second slide bar close to the second exposed end.
Optionally, in an embodiment of the present invention, the second exposed end is provided with a rubber pad.
Optionally, in an embodiment of the present invention, the rubber pad and/or the chuck is spherical.
Optionally, in an embodiment of the present invention, the scanning assembly includes:
the mounting rod is vertically arranged on the workbench;
the camera is connected to the mounting rod in a sliding mode and located above the material carrying disc so as to photograph the workpieces in the workpiece grooves; and
the display screen, the display screen connect in the installation pole, and with the camera electricity is connected, in order to show the image that the camera was shot.
Optionally, in an embodiment of the present invention, the scanning assembly further includes a connecting rod, one end of the connecting rod is slidably connected to the mounting rod, the other end of the connecting rod is connected to the camera, and the connecting rod is a telescopic rod.
Optionally, in an embodiment of the present invention, an extending piece is disposed at one end of the connecting rod, which is away from the camera, the mounting rod is provided with a through hole, the through hole extends along an axial direction of the mounting rod, a bolt is slidably disposed in the through hole, and the extending piece and the mounting rod are fixed by the bolt.
Optionally, in an embodiment of the present invention, the automatic circuit board testing device further includes a geneva mechanism, and the geneva mechanism is connected to the material loading tray to drive the material loading tray to intermittently rotate.
Compared with the prior art, in the technical scheme provided by the utility model, the workpiece can be placed in the workpiece groove, and the scanning assembly can photograph and scan the workpiece, so that the appearance of the workpiece is subjected to defect detection. Simultaneously, utilize the spacing subassembly that sets up on the one hand to fix the work piece in the work piece groove, avoid the work piece to take place the motion at the scanning in-process of scanning subassembly to guarantee the accuracy of testing result, on the other hand can be convenient take off the work piece from the work piece groove, place another work piece and detect. In addition, the material carrying disc is rotatably arranged on the workbench, a plurality of workpiece grooves are formed in the material carrying disc, one workpiece groove is located below the scanning assembly when the material carrying disc rotates, the scanning assembly can photograph and scan workpieces in the workpiece grooves, meanwhile, an operator can take off workpieces which are already scanned in other workpiece grooves, and place new workpieces for the scanning assembly to photograph, so that the continuity of the detection process can be guaranteed, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an automatic test equipment for circuit boards according to the present invention;
FIG. 2 is a schematic diagram of an exploded structure of an embodiment of the automatic circuit board testing apparatus according to the present invention;
fig. 3 is a partially enlarged structural view of a portion a in fig. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Working table | 2 | |
| 3 | |
31 | |
| 32 | First chute | 33 | |
| 4 | |
41 | |
| 411 | |
42 | |
| 43 | |
431 | Chuck |
| 44 | |
5 | |
| 51 | |
52 | |
| 53 | |
54 | Connecting |
| 55 | |
45 | Spacing protrusion |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any inventive step belong to the scope of the embodiments of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions such as references to "first", "second", and the like in the embodiments of the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the embodiments of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of the technical solutions should not be considered to exist, and is not within the protection scope of the embodiments of the present invention.
As shown in fig. 1 and fig. 2, an automatic circuit board testing device according to an embodiment of the present invention includes:
a work table 1;
the outer cover 2 is connected to one side, away from the ground, of the workbench 1, and the outer cover 2 and the workbench 1 jointly enclose a detection chamber;
the workpiece loading tray 3 is arranged in the detection chamber and is rotationally connected with the workbench 1, the workpiece loading tray 3 is provided with a plurality of workpiece grooves 31, and the plurality of workpiece grooves 31 are arranged along the circumferential direction of the workpiece loading tray 3 and are circularly distributed;
the limiting component 4 is movably connected to the material carrying disc 3, and the workpiece can be fixed in the workpiece groove 31 or detached from the workpiece groove 31 through the sliding of the limiting component 4; and
In the technical scheme that this embodiment adopted, can hold the work piece through the work piece groove 31 that sets up, scanning subassembly 5 can shoot the scanning to the work piece to carry out defect detection to the outward appearance of work piece. Meanwhile, the workpiece can be fixed in the workpiece groove 31 by the aid of the arranged limiting assembly 4, the workpiece is prevented from moving in the scanning process of the scanning assembly 5, accuracy of a detection result is guaranteed, and the workpiece can be conveniently taken down from the workpiece groove 31 and placed into another workpiece for detection. In addition, carry the charging tray 3 and rotate and set up at workstation 1, and carried and set up a plurality of work piece grooves 31 on the charging tray 3, carry charging tray 3 and rotate every time, all can have a work piece groove 31 to be located the below of scanning subassembly 5, scanning subassembly 5 can shoot the scanning to the work piece in the work piece groove 31, and simultaneously, operating personnel can take off the work piece that has scanned in other work piece grooves 31 and accomplished, and place new work piece and shoot for scanning subassembly 5, so can guarantee the continuity of testing process, improve detection efficiency. It should be noted that, by arranging the outer cover 2 to cooperate with the worktable 1 to form a detection chamber, the detection of the workpiece is performed in the detection chamber, and the safety can be improved.
Further, referring to fig. 2 and 3, in an embodiment of the present invention, the position limiting assembly 4 includes:
the first sliding rod 41, the material carrying tray 3 is provided with a first sliding chute 32 for the first sliding rod 41 to slide, the first sliding rod 41 is provided with a first hidden end positioned in the first sliding chute 32 and a first exposed end extending out of the first sliding chute 32, and the peripheral surface of the first sliding rod 41 is provided with a positioning notch 411;
the first spring 42 is sleeved on the outer peripheral surface of the first sliding rod 41, one end of the first spring 42 is connected with one side of the positioning notch 411 far away from the first hidden end, and the other end of the first spring 42 extends towards the direction far away from the first hidden end and is connected to the inner wall of the first sliding groove 32;
the material carrying disc 3 is provided with a second sliding groove 33 for the second sliding rod 43 to slide, the first sliding groove 32 and the workpiece groove 31 are both communicated with the second sliding groove 33, the second sliding rod 43 is provided with a second hidden end positioned in the second sliding groove 33 and a second exposed end extending out of the second sliding groove 33, and the first hidden end is provided with a clamping head 431; and
the second spring 44 is sleeved on the outer circumferential surface of the second sliding rod 43, one end of the second spring 44 is connected to the chuck 431, and the other end of the second spring 44 extends in a direction away from the second hidden end and is connected to the inner wall of the second sliding slot 33, so that the chuck 431 can be selectively connected to the inside of the positioning notch 411 or the outer circumferential surface of the first sliding rod 41 by the sliding of the first sliding rod 41.
In the technical solution adopted in this embodiment, the first sliding rod 41 can slide in the first sliding slot 32, and during the sliding, the first hidden end is located inside the first sliding slot 32, and the first exposed end is extended to the outside of the first sliding slot 32; similarly, the second sliding rod 43 can slide in the second sliding slot 33, and when sliding, the second hidden end is located inside the second sliding slot 33, and the second exposed end is extended outside the second sliding slot 33. When the first spring 42 is in a free state, the chuck 431 is abutted against the outer peripheral surface of the first slide bar 41, at this time, the second spring 44 is in a compressed state, and the second exposed end of the second slide bar 43 is abutted against the workpiece placed in the workpiece slot 31, so that the workpiece is fixed in the workpiece slot 31, and the scanning assembly 5 is favorable for scanning and photographing the workpiece. After scanning and photographing the workpiece in one workpiece slot 31, the first sliding rod 41 is slid in the first direction, at this time, the first spring 42 is compressed, the chuck 431 is clamped into the positioning notch 411 under the driving of the elastic force of the second spring 44, and the second exposed end is separated from the workpiece, so that the workpiece can be conveniently taken out from the workpiece slot 31, and the undetected workpiece can be replaced. After the undetected workpiece is replaced, the first slide bar 41 is slid in the second direction, the chuck 431 is released from the positioning notch 411 by the elastic force of the first spring 42, the chuck 431 is brought into contact with the outer peripheral surface of the first slide bar 41, the first spring 42 is restored to the free length, the second spring 44 is compressed, the chuck 431 is brought into contact with the outer peripheral surface of the first slide bar 41 by the elastic force of the second spring 44, and the second exposed end is brought into contact with the workpiece. It is noted that the first direction is opposite to the second direction. In addition, two raised ring structures may be provided at intervals on the outer circumferential surface of the first slide bar 41, the interval between the two raised ring structures forming the positioning notch 411.
Further, referring to fig. 3, in an embodiment of the present invention, the limiting component 4 further includes a limiting protrusion 45, the limiting protrusion 45 is located in the workpiece slot 31, and the outer peripheral surface of the first sliding rod 41 close to the first exposed end and the outer peripheral surface of the second sliding rod 43 close to the second exposed end are both provided with the limiting protrusion 45.
In the technical solution adopted in this embodiment, the limiting protrusion 45 is provided to prevent the first exposed end of the first sliding rod 41 from sliding into the first sliding slot 32, and to prevent the second exposed end of the second sliding rod 43 from sliding into the second sliding slot 33.
Further, referring to an embodiment of the present invention, the second exposed end is provided with a rubber pad (not shown).
In the technical scheme of this embodiment adoption, the rubber pad has elasticity, can avoid fish tail work piece.
Further, in an embodiment of the present invention, the rubber pad and/or the clip 431 is spherical.
In the technical scheme adopted by the embodiment, the contact area between the sphere and the workpiece is small, so that the workpiece can be further prevented from being scratched.
Further, referring to fig. 2, in an embodiment of the present invention, the scanning assembly 5 includes:
the mounting rod 51, the mounting rod 51 is vertically arranged on the workbench 1;
the camera 52 is connected to the mounting rod 51 in a sliding mode, and is positioned above the material carrying disc 3 to photograph the workpieces in the workpiece groove 31; and
and the display screen 53 is connected to the mounting rod 51 and is electrically connected with the camera 52 so as to display the image shot by the camera 52.
In the technical scheme that this embodiment adopted, can be convenient for install camera 52 and display screen 53 through the installation pole 51 that sets up, realize fixed to camera 52 and display screen 53, camera 2 can shoot the work piece, realizes the detection of work piece appearance defect, and display screen 53 is connected with camera 52 electricity, can show the outward appearance image magnification of the work piece that camera 52 shot, convenient observation. In addition, camera 52 can slide along installation pole 51 to can adjust the height of camera 52, guarantee the definition of shooing the work piece of different specifications.
Further, referring to fig. 2, in an embodiment of the present invention, the scanning assembly 5 further includes a connecting rod 54, one end of the connecting rod 54 is slidably connected to the mounting rod 51, the other end of the connecting rod 54 is connected to the camera 52, and the connecting rod 54 is a telescopic rod.
In the technical scheme that this embodiment adopted, through the connecting rod 54 that sets up, can be convenient connect camera 52 at installation pole 51, and connecting rod 54 is the telescopic link, through the flexible of connecting rod 54, the accomodating of realization camera 52 that can be convenient.
Further, referring to fig. 2, in an embodiment of the present invention, an end of the connecting rod 54 away from the camera 52 is provided with an extending piece 55, the mounting rod 51 is provided with a through hole, the through hole extends along an axial direction of the mounting rod 51, a bolt is slidably disposed in the through hole, and the extending piece 55 and the mounting rod 51 are fixed by the bolt.
In the technical scheme adopted by the embodiment, the contact area between the extension piece 55 and the mounting rod 51 can be increased, and the stability and the firmness of connection are improved.
Further, in an embodiment of the present invention, the automatic circuit board testing apparatus further includes a geneva mechanism (not shown), and the geneva mechanism is connected to the material loading tray 3 to drive the material loading tray 3 to intermittently rotate.
In the technical scheme adopted by the embodiment, the sheave mechanism can drive the material carrying disc 3 to rotate intermittently, that is, the sheave mechanism drives the material carrying disc 3 to rotate once, and one workpiece groove 31 is positioned below the camera 52, so that the camera 52 can take a picture of the workpiece in the workpiece groove 31.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the embodiments of the present invention, and all modifications and equivalents that can be made by using the contents of the description and drawings of the embodiments of the present invention or directly/indirectly applied to other related technical fields are included in the scope of the embodiments of the present invention.
Claims (9)
1. An automatic test equipment for a circuit board, comprising:
a work table;
the outer cover is connected to one side, away from the ground, of the workbench, and the outer cover and the workbench jointly enclose a detection chamber;
the material carrying disc is arranged in the detection chamber and is rotationally connected with the workbench, a plurality of workpiece grooves are formed in the material carrying disc along the circumferential direction of the material carrying disc;
the limiting assembly is movably connected to the material carrying disc, and a workpiece can be fixed in the workpiece groove or detached from the workpiece groove through the sliding of the limiting assembly; and
and the scanning assembly is connected with the workbench and is positioned on one side of the workbench, and the material carrying disc is far away from the workbench so as to photograph the workpiece in the workpiece groove.
2. The automatic circuit board testing device of claim 1, wherein the spacing assembly comprises:
the material loading disc is provided with a first sliding groove for the first sliding rod to slide, the first sliding rod is provided with a first hidden end positioned in the first sliding groove and a first exposed end extending out of the first sliding groove, and the peripheral surface of the first sliding rod is provided with a positioning notch;
the first spring is sleeved on the peripheral surface of the first sliding rod, one end of the first spring is connected with one side, away from the first hidden end, of the positioning notch, and the other end of the first spring extends towards the direction away from the first hidden end and is connected to the inner wall of the first sliding groove;
the material loading disc is provided with a second sliding groove for the second sliding rod to slide, the first sliding groove and the workpiece groove are communicated with the second sliding groove, the second sliding rod is provided with a second hidden end positioned in the second sliding groove and a second exposed end extending out of the second sliding groove, and the first hidden end is provided with a clamping head; and
the second spring, the second spring housing is located the outer peripheral face of second slide bar, the one end of second spring with the dop is connected, the other end of second spring is towards keeping away from the second hides the direction of end and extends, and connect in the inner wall of second spout, through the slip of first slide bar, can make the dop select connect in the constant head tank or the outer peripheral face of first slide bar.
3. The automatic circuit board testing device according to claim 2, wherein the limiting assembly further comprises a limiting protrusion, the limiting protrusion is located in the workpiece groove, and the limiting protrusion is disposed on an outer peripheral surface of the first slide bar close to the first exposed end and an outer peripheral surface of the second slide bar close to the second exposed end.
4. The automatic circuit board testing device according to claim 2, wherein the second exposed end is provided with a rubber pad.
5. The automatic circuit board testing device according to claim 4, wherein the rubber pad and/or the chuck are spherical.
6. The circuit board automatic test equipment of claim 1, wherein the scanning assembly comprises:
the mounting rod is vertically arranged on the workbench;
the camera is connected to the mounting rod in a sliding mode and located above the material carrying disc so as to photograph the workpieces in the workpiece grooves; and
the display screen, the display screen connect in the installation pole, and with the camera electricity is connected, in order to show the image that the camera was shot.
7. The automatic circuit board testing device according to claim 6, wherein the scanning assembly further comprises a connecting rod, one end of the connecting rod is slidably connected to the mounting rod, the other end of the connecting rod is connected to the camera, and the connecting rod is a telescopic rod.
8. The automatic circuit board testing device according to claim 7, wherein an extending piece is disposed at an end of the connecting rod away from the camera, a through hole is disposed in the mounting rod, the through hole extends in an axial direction of the mounting rod, a bolt is slidably disposed in the through hole, and the extending piece and the mounting rod are fixed by the bolt.
9. The automatic circuit board testing device of claim 1, further comprising a geneva gear coupled to the carrier tray to drive the carrier tray to rotate intermittently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122310820.9U CN216386817U (en) | 2021-09-23 | 2021-09-23 | Automatic test equipment for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122310820.9U CN216386817U (en) | 2021-09-23 | 2021-09-23 | Automatic test equipment for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216386817U true CN216386817U (en) | 2022-04-26 |
Family
ID=81242224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122310820.9U Active CN216386817U (en) | 2021-09-23 | 2021-09-23 | Automatic test equipment for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216386817U (en) |
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2021
- 2021-09-23 CN CN202122310820.9U patent/CN216386817U/en active Active
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