Fixed jig for circuit board test
Technical Field
The utility model belongs to the technical field of machinery, concretely relates to fixed tool is used in circuit board test.
Background
The printed circuit board generally needs to be subjected to spot inspection among all procedures of an SMT (surface mount technology) line to detect the yield, different testing methods and different testing equipment are provided for different functional testing directions, wherein after the drilling procedure of the printed circuit board is completed, the blind hole and the through hole of the printed circuit board need to be subjected to apparent detection to detect the drilling condition and the dust removal condition of the blind hole and the through hole, re-drilling or cleaning is needed when abnormality is found, most of fixing jigs applied to the procedure are manually operated, most of the fixing jigs are screw type operation sliding table clamps, an operator needs to repeatedly and mechanically rotate a screw to take and place the circuit board, the taking and placing operation is complicated and time-consuming, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board test is with fixed tool to solve the problem that proposes in the above-mentioned background art.
This utility model adopts for achieving the above purpose:
a fixed jig for testing a circuit board comprises a fixed base plate and a movable base plate, wherein the fixed base plate and the movable base plate are integrally rectangular plate-shaped, a convex rectangular table is formed on one side edge of the top surface of the fixed substrate, a concave fit cavity is formed on the top surface of the fixed substrate, the middle part of the fixed substrate in the fitting cavity is provided with a fitting opening corresponding to the shape of the fitting cavity, symmetrical limiting columns are formed on two sides of the fit cavity, a press-fit opening which is the same as the fit opening in shape and is opposite to the fit opening is formed on one side of the movable substrate, hinges are respectively arranged at two ends of the top surface of the movable base plate at one side with the pressing opening, the other end of each hinge is arranged on the rectangular table of the fixed base plate, the movable base plate is provided with a matching groove which corresponds to the position of the limiting column and can be used for the limiting column to pass through, and the top surface of the rectangular table is provided with a supporting column at the inner side of the hinge respectively.
It is further explained that the thickness of the movable substrate is the same as that of the rectangular table.
It is further described that the movable base plate can rotate through the hinge, and when the movable base plate is covered on the top surface of the fixed base plate and connected, the movable base plate just covers the top surface of the fixed base plate except the rectangular table and is flush with the edge of the fixed base plate.
It is further explained that when the movable substrate covers the top surface of the fixed substrate and is connected, the pressing opening of the movable substrate is just opposite to and overlapped with the fitting opening of the fixed substrate, and the limit column is embedded into and extends out of the fitting groove.
Further, two ends of the front side of the top of the movable substrate are respectively provided with a mounting column.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the movable substrate can rotate on the fixed substrate through the hinge, the circuit board is placed in the fit cavity, the movable substrate is rotated to be connected with the top surface of the fixed substrate, the circuit board can be fixed between the movable substrate and the fixed substrate, the circuit board can be taken and placed through rotation of the movable substrate, and the movable substrate is simple in structure and convenient to operate; when the device is applied to detecting or repairing the drilling holes of the blind holes and the through holes and removing dust, the device can be operated conveniently, and sundries are easy to clean.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a movable base plate according to the present invention;
fig. 3 is a schematic structural view of the fixing substrate of the present invention;
wherein: 1. fixing the substrate; 2. a movable substrate; 3. a rectangular table; 4. a fitting cavity; 5. fitting the opening; 6. a limiting column; 7. pressing the opening; 8. a hinge; 9. a fitting groove; 10. a support pillar; 11. mounting a column; 12. a circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides the following technical solutions:
a fixed jig for testing a circuit board comprises a fixed base plate 1 and a movable base plate 2, wherein the fixed base plate 1 and the movable base plate 2 are integrally in a rectangular plate shape, a convex rectangular platform 3 is formed on one side edge of the top surface of the fixed base plate 1, a concave fit cavity 4 is formed in the top surface of the fixed base plate 1, a fit opening 5 corresponding to the shape of the fit cavity 4 is formed in the middle of the fit cavity 4 of the fixed base plate 1, symmetrical limiting columns 6 are formed on two sides of the fit cavity 4, a press opening 7 which is identical to and opposite to the shape of the fit opening 5 is formed in one side of the movable base plate 2, hinges 8 are respectively arranged at two ends of the top surface of the movable base plate 2 on one side of the press opening 7, the other end of each hinge 8 is arranged on the rectangular platform 3 of the fixed base plate 1, a fit groove 9 which corresponds to the position of the limiting column 6 and can be passed by the limiting column, the top surface of the rectangular platform 3 is respectively provided with a supporting column 10 at the inner side of the hinge 8, and when the movable base plate 2 rotates outwards, the top ends of the supporting columns 10 can rotate to the maximum extent to be abutted.
The thickness of the movable base plate 2 is the same as that of the rectangular table 3, the movable base plate 2 can rotate through the hinge 8, and when the movable base plate 2 covers the top surface of the fixed base plate 1 and is connected with the top surface of the rectangular table 3, the movable base plate just covers the top surface of the fixed base plate 1 except the rectangular table 3 and is flush with the edge of the fixed base plate 1; when the movable substrate 2 covers the top surface of the fixed substrate 1 and is connected with the fixed substrate, the pressing opening 7 of the movable substrate is just opposite to and overlapped with the conjunction opening 5 of the fixed substrate 1, and the limiting column 6 is embedded into and extends out of the conjunction groove 9; the two ends of the front side of the top of the movable base plate 2 are respectively provided with a mounting column 11, and an operator can rotate the movable base plate 2 by capturing the mounting columns 11.
The movable base plate 2 can rotate on the fixed base plate 1 through the hinge 8, the circuit board 12 is placed in the fit cavity 4, the movable base plate 2 is rotated to be connected with the top surface of the fixed base plate 1, the circuit board 12 can be fixed between the movable base plate 2 and the fixed base plate 1, and the circuit board 12 can be taken and placed through rotation of the movable base plate 2; meanwhile, foreign materials generated when drilling holes of the repair circuit board 12 or removing dust may be removed through the fitting opening 5 or the movable substrate 2 may be rotated for cleaning.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.