CN217981579U - Printed board detects uses frock frame - Google Patents
Printed board detects uses frock frame Download PDFInfo
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- CN217981579U CN217981579U CN202221835580.2U CN202221835580U CN217981579U CN 217981579 U CN217981579 U CN 217981579U CN 202221835580 U CN202221835580 U CN 202221835580U CN 217981579 U CN217981579 U CN 217981579U
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Abstract
The utility model relates to a detection apparatus technical field for the printed board particularly, relates to a tooling frame for printed board detection, can solve to a certain extent that current tooling frame for printed board detection can only correspond the detection to the printed board of a specification, consequently, need dispose the problem that multiple printed board detects the detection demand that could satisfy multiple specification printed board with the tooling frame. The tooling frame for detecting the printed board comprises: a base provided with an opening and a cavity; the supporting frame is connected with the base; the die plate is positioned at the opening of the base and used for placing a printed board to be tested; the adapter plate is positioned inside the base, the adapter plate is electrically connected with the die plate and the instrument respectively, and the instrument is used for detecting the electrical parameters of the printed board to be detected; and the clamping device is arranged on the supporting frame and used for applying pressure to the die plate towards the opening during detection.
Description
Technical Field
The application relates to the technical field of printed board detection devices, in particular to a tool frame for printed board detection.
Background
Printed boards, i.e., printed wiring boards, are one of the important components of the electronics industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating base plate, a connecting lead and a welding pad for assembling and welding electronic elements, and has double functions of a conducting circuit and the insulating base plate. At present, printed wiring boards have been used very widely in the manufacture of electronic products.
After the printed board is manufactured, whether the quality of the printed board meets the design requirements must be checked, and quality inspection is an important guarantee for smoothly developing the product quality and subsequent processes. A part of quality inspection is generally performed by placing a printed board on a jig for inspection. The detection tool rack is provided with an instrument matched with detection items, the output end of the instrument is connected with a pipeline, and during testing, the printed board is connected with the other end of the pipeline, so that the quality detection purpose is achieved by observing instrument data.
However, because printed boards have various specifications, the printed boards of different specifications are electrically connected with the instrument for performance detection, and the existing tool rack for printed board detection can only perform corresponding detection on the printed board of one specification, the detection requirements of the printed boards of various specifications can be met only by configuring various tool racks for printed board detection. In the face of the continuously iterative printed boards, the detection requirements of the printed boards with different specifications can be met only by continuously manufacturing and replacing the matched tooling frame, the time and the labor are wasted when the tooling frame is designed and manufactured, and a large amount of scrapping of the old tooling frame is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the existing tool frame for detecting the printed board can only correspondingly detect the printed board with one specification, the tool frame for detecting the printed board needs to be configured with various printed boards to meet the detection requirements of the printed boards with various specifications, the application provides the tool frame for detecting the printed board.
The embodiment of the application is realized as follows:
the utility model provides a printed board detects and uses tool rest, includes:
a base provided with an opening and a cavity;
the supporting frame is connected with the base;
the mould plate is positioned at the opening of the base and used for placing a printed board to be tested;
the adapter plate is positioned inside the base, the adapter plate is electrically connected with the die plate and the instrument respectively, and the instrument is used for detecting the electrical parameters of the printed board to be detected;
and the clamping device is arranged on the supporting frame and used for applying pressure to the die plate towards the opening during detection.
In some embodiments, the mold plate comprises: the lower plate body is close to the base;
a pillar is arranged on one surface, facing the lower plate body, of the upper plate body, and through holes corresponding to the pillars are formed in the edges of the openings of the lower plate body and the base;
a plurality of detection holes are formed in the upper plate body, and a plurality of spring needles are arranged on one surface, close to the upper plate body, of the lower plate body.
In some embodiments, the interposer includes a detection printed board and a plurality of connectors;
the connectors are welded on the detection printed board and used for being electrically connected with the connecting wires of the spring pins and electrically connected with the connecting wires of the instrument;
in some embodiments, the support posts are located at four corners of the upper plate body, the support posts are inserted into compression springs, one end of each compression spring is connected with the upper plate body, and the other end of each compression spring faces the lower plate body.
In some embodiments, the meter comprises a voltmeter and an ammeter, and a connecting line of the voltmeter and a connecting line of the ammeter are respectively connected with the connector;
and a window for embedding the voltmeter and the ammeter is arranged on the side surface of the base.
In some embodiments, a positioning pin is arranged on one side of the die plate close to the base, and a positioning hole corresponding to the positioning pin is arranged on the base;
when the positioning pin is inserted into the positioning hole during detection, the die plate is placed in place.
In some embodiments, the clamping device comprises a clamp, the clamp comprising:
the clamp base is fixedly connected with the support frame;
one end of the clamp base is rotatably connected with one end of a first connecting component through a first pin shaft, the other end of the first connecting component, one end of a handle rod and one end of a second connecting component are rotatably connected with a second pin shaft, the other end of the second connecting component is rotatably connected with a movable rod through a third pin shaft, the movable rod is arranged in a pipe fitting in a penetrating manner, the pipe fitting is close to the die plate, and the pipe wall of the pipe fitting is connected with the other end of the clamp base;
the straight line of the movable path of the movable rod is vertical to the plane of the die plate.
In some embodiments, the clamping device comprises a movable bar;
one end of the movable rod, which is close to the die plate, is connected with a pressing plate, and one surface of the pressing plate, which is close to the die plate, is provided with support legs which are centrosymmetric relative to the pressing plate.
In some embodiments, a groove is formed in one surface, away from the lower plate body, of the upper plate body, and the groove is matched with the printed board to be tested in shape.
In some embodiments, the interposer further comprises a safety device and a control switch;
the safety device is connected between the detection printed board and the control switch; the switch is used for controlling the opening and closing of the detection printed board; and a window for embedding the control switch is arranged on the base.
The beneficial effect of this application: through set up the keysets in the printing board detects with the tool rest, with the mould board, keysets and instrument electricity are connected in proper order for not lug connection between mould board and the instrument, can realize the effect of high-speed joint instrument and mould board through the connection point of transform mould board on the keysets, and then can only realize carrying out the function that detects to multiple specification printing board through the mould board of changing in the tool rest, need not to correspond the multiple tool rest of configuration for detecting multiple specification printing board again.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a tool rest for printed board inspection according to one or more embodiments of the present disclosure;
FIG. 2 is a schematic illustration of a mold plate according to one or more embodiments of the present application;
FIG. 3 is a schematic diagram of a base according to one or more embodiments of the present application;
FIG. 4 is a top view of FIG. 3;
illustration of the drawings:
100. a base; 110. an opening;
2. a support frame;
300. a mold plate; 310. an upper plate body; 320. a lower plate body; 330. a pillar;
400. an adapter plate; 410. detecting the printed board;
5. a meter;
600. a clamping device; 610. clamping; 620. pressing a plate; 630. and (3) a support leg.
Detailed Description
To make the objects, embodiments and advantages of the present application clearer, the following description of exemplary embodiments of the present application will clearly and completely describe the exemplary embodiments of the present application with reference to the accompanying drawings in the exemplary embodiments of the present application, and it is to be understood that the described exemplary embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
It should be noted that the brief descriptions of the terms in the present application are only for convenience of understanding of the embodiments described below, and are not intended to limit the embodiments of the present application. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.
The terms "first," "second," "third," and the like in the description and claims of this application and in the foregoing drawings are used for distinguishing between similar or analogous objects or entities and are not necessarily intended to limit the order or sequence in which they are presented unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.
The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements expressly listed, but may include other elements not expressly listed or inherent to such product or apparatus.
Fig. 1 is a schematic structural view of a tool rest for printed board inspection according to an embodiment. As shown in fig. 1, the tooling frame for printed board inspection provided by this embodiment is used for placing a printed board and inspecting the performance of the printed board.
The tooling frame for printed board detection provided by the embodiment of the application comprises a base 100, a support frame 2, a die plate 300, an adapter plate 400, a meter 5 and a clamping device 600.
In some embodiments, a base 100, provided with an opening 110 and a cavity; and a support frame 2 connected to the base 100. The base 100, the supporting frame 2 and the mold plate 300 are generally made of wood.
The mold plate 300 is located at the opening 110 of the base 100, and the mold plate 300 is used for placing a printed board to be tested, wherein the printed board is divided into a rigid printed board and a flexible printed board, and the rigid printed board is divided into a single-sided board, a double-sided board, a multilayer board and the like. The printed board is generally divided into three quality grades of primary, secondary and tertiary. The printed boards have different quality grades, and the requirements of the first-level complexity test, the inspection and the like are also different.
The adapter plate 400 is positioned inside the base 100, the adapter plate 400 is electrically connected with the mold plate 300 and the instrument 5 respectively, and the instrument 5 is used for detecting electrical parameters of the printed board to be detected;
and a clamping device 600 disposed on the supporting frame 2, wherein the clamping device 600 is used for applying pressure to the mold plate 300 in a direction towards the opening 110 during detection.
During the test, on being connected to keysets 400 with the connecting wire of mould board 300, keysets 400 is connected with instrument 5 for not lug connection between mould board 300 and the instrument 5 can only realize carrying out the function that detects to multiple specification printed board through the mould board of changing in the frock frame, need not to correspond for detecting multiple specification printed board again and dispose multiple frock frame.
According to the detection items, the die plate 300, the adapter plate 400 and the meter 5 are electrically connected in sequence, then the printed board is placed on the upper surface of the upper plate body 310, the clamping device 600 is pulled downwards, the clamping device 600 moves towards the die plate 300, the upper plate body 310 of the die plate 300 moves downwards under the action of downward pressure, detection parameters are displayed on the meter 5, and the detection function is achieved.
FIG. 2 is a schematic diagram of a mold plate according to one or more embodiments of the present application. As shown in fig. 2, the mold plate 300 includes: an upper plate body 310 and a lower plate body 320, wherein the lower plate body 320 is close to the base 100;
a pillar 330 is disposed on one surface of the upper board 310 facing the lower board 320, and through holes corresponding to the pillars 330 are disposed on the edges of the lower board 320 and the opening 110 of the base 100;
a plurality of detection holes are formed in the upper plate body 310, and a plurality of spring pins are arranged on one surface of the lower plate body 320, which is close to the upper plate body 310.
During detection, the whole die plate 300 comprising the lower plate body 320 and the upper plate body 310 is sequentially placed on the base 100, and the main column of the upper plate body 310 penetrates through the through hole of the lower plate body 320 and extends to the through hole of the base 100, so that the purpose of stably placing the die plate 300 without displacement is achieved.
The spring needle comprises a spring, a needle tube and a needle head. The spring and the spring are arranged in the needle tube and connected with the needle head, one part of the needle head is positioned in the needle tube, the other part of the needle head is positioned outside the needle tube, and the spring needle judges whether the printed board has the defects of short circuit and the like through the comparison of voltage and current between a circuit and the circuit.
FIG. 3 is a schematic diagram of a base according to one or more embodiments of the present application; fig. 4 is a top view of fig. 3. As shown in fig. 3 and 4, the interposer 400 includes a detection printed board 410 and a plurality of connectors;
the plurality of connectors are welded on the detection printed board 410, and the plurality of connectors are used for being electrically connected with the connection line of the pogo pin and are used for being electrically connected with the connection line of the meter 5.
The connector is an electrical connector, i.e., a device that connects two active devices, transmitting current or signals. The male terminal and the female terminal can transmit information or current after being contacted. The detection printed board 410 is provided with a plurality of connectors, and different connectors are connected with different instruments 5 to realize different detection items, so that when different printed boards are detected, only the die plate 300 needs to be replaced without replacing a tooling frame.
In some embodiments, the support posts 330 are located at four corners of the upper plate 310, and the support posts 330 are inserted into compression springs, one end of which is connected to the upper plate 310, and the other end of which faces the lower plate 320.
When the clamping device 600 is lifted, that is, the pressure applied to the mold plate 300 is gradually reduced, the spring rebounds to support the upper plate 310 to the original position, thereby preventing the spring pins from being erroneously contacted with the detection points of the printed board when the printed board is placed.
In some embodiments, the meter 5 comprises at least a voltmeter and an ammeter, and the connection lines of the voltmeter and the ammeter are respectively connected with the connector;
the side of the base 100 is provided with a window for embedding the voltmeter and the ammeter. The data on the meter 5 is conveniently viewed through the window. The instrument 5 further comprises a universal meter, an oscilloscope, a resistance box and the like.
The voltmeter and the ammeter are used for detecting the voltage and current parameters of the printed board 410, particularly the power supply printed board, and analyzing whether the printed board has defects or not according to the voltage and current parameters.
In some embodiments, the meter 5 further comprises a universal meter, an oscilloscope, a resistance box, and the like.
In some embodiments, a surface of the mold plate 300 close to the base 100 is provided with a positioning pin, and the base 100 is provided with a positioning hole corresponding to the positioning pin;
in the inspection, when the positioning pin is inserted into the positioning hole, the mold plate 300 is put in place.
In some embodiments, the structure of the clamping device 600 is various, and the clamping device 600 provided in this embodiment includes a clamp 610, and the clamp 610 includes:
the clamp base is fixedly connected with the support frame 2;
one end of the clamp base is rotatably connected with one end of a first connecting component through a first pin shaft, the other end of the first connecting component, one end of the handle rod and one end of a second connecting component are rotatably connected with a second pin shaft, the other end of the second connecting component is rotatably connected with a movable rod through a third pin shaft, the movable rod is arranged in a pipe fitting in a penetrating mode, the pipe fitting is close to the die plate 300, and the pipe wall of the pipe fitting is connected with the other end of the clamp base;
the straight line of the moving path of the moving rod is perpendicular to the plane of the mold plate 300.
When detecting, place the printing board at last plate body 310 upper surface, then pull the handle pole downwards to drive the movable rod and remove to mould board 300 in the pipe fitting, the last plate body 310 of mould board 300 receives decurrent pressure and downstream, the spring needle of installation contacts the printing board check point after passing the inspection hole of last plate body 310 on the lower plate body 320, the connecting wire of spring needle passes through connector connection instrument 5, show on the instrument 5 including the voltage of monitoring point, detection parameters such as electric current, realize the testing function.
In some embodiments, a pressing plate 620 is connected to one end of the movable rod close to the mold plate 300, and a side of the pressing plate 620 close to the mold plate 300 is provided with a support leg 630 which is symmetrical with respect to the center of the pressing plate 620.
The legs 630 are generally disposed at the four corners of the platen 620.
When detecting, place the printing board on last plate 310 upper surface, then pull handle pole downwards to drive the movable rod and remove to mould board 300 in the pipe fitting, balanced decurrent pressure is exerted to last plate 310 to the stabilizer blade 630 of the symmetry on clamp plate 620, the last plate 310 of mould board 300 receives decurrent pressure and downstream, the pogo pin of installation passes the inspection hole of last plate 310 on the lower plate 320 and contacts the printing board check point, the connecting wire of pogo pin passes through connector connection instrument 5, show on the instrument 5 including the voltage of monitoring point, detection parameters such as electric current, realize the detection function.
In some embodiments, a groove is formed on a surface of the upper board 310 away from the lower board 320, and the groove matches with the shape of the printed board.
The thickness of the printed board for the power supply needs to be thicker, because the printed board needs to support a heavier transformer, a high-power device and the like, and the thickness of the printed board can be generally 2.0-3.0 mm. For small electronic products such as electronic watches, calculators, etc., thinner boards are required. The thickness of the multilayer printed board is related to the number of layers, and the thickness of the multilayer board with 8 layers or less than 8 layers can be limited to about 1.6 mm. More than 8 layers are more than 1.6 mm thick. The thickness between the circuit layers of a multilayer board is often determined by the electrical design.
In some embodiments, the interposer 400 further comprises a safety device and a control switch;
the fuse device is connected between the detection printed board 410 and the control switch; wherein, the switch is used for controlling the opening and closing of the detection printed board 410; the base 100 is provided with a window for embedding the control switch. The control switch is convenient for the detection personnel to press through the window.
The safety device plays a role in protecting an externally accessed power supply when overvoltage and overcurrent occur.
Through set up the keysets in the printing board detects with the tool rest, with the mould board, keysets and instrument electricity are connected in proper order for not lug connection between mould board and the instrument, can realize the effect of high-speed joint instrument and mould board through the connection point of transform mould board on the keysets, and then can only realize carrying out the function that detects to multiple specification printing board through the mould board of changing in the tool rest, need not to correspond the multiple tool rest of configuration for detecting multiple specification printing board again.
The embodiments in this specification are described in a progressive manner. The same or similar parts in the various embodiments may be referred to each other, and the emphasis in each embodiment is on the difference from the other embodiments.
The foregoing description, for purpose of explanation, has been described with reference to specific embodiments. However, the foregoing discussion in some embodiments is not intended to be exhaustive or to limit the implementations to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a printed board detects uses tool rack which characterized in that includes:
a base provided with an opening and a cavity;
the supporting frame is connected with the base;
the die plate is positioned at the opening of the base and used for placing a printed board to be tested;
the adapter plate is positioned inside the base, the adapter plate is electrically connected with the die plate and the instrument respectively, and the instrument is used for detecting the electrical parameters of the printed board to be detected;
and the clamping device is arranged on the supporting frame and used for applying pressure to the die plate towards the opening during detection.
2. The tool rack for inspecting the printed board according to claim 1, wherein the die plate comprises: the lower plate body is close to the base;
a pillar is arranged on one surface, facing the lower plate body, of the upper plate body, and through holes corresponding to the pillars are formed in the edges of the openings of the lower plate body and the base;
a plurality of detection holes are formed in the upper plate body, and a plurality of spring needles are arranged on one surface, close to the upper plate body, of the lower plate body.
3. The tool rack for printed board inspection according to claim 2, wherein the interposer includes an inspection printed board and a plurality of connectors;
the connectors are welded on the detection printed board and used for being electrically connected with the connecting wires of the spring pins and electrically connected with the connecting wires of the instrument.
4. The tool rack for detecting the printed board according to claim 2, wherein the support columns are positioned at four corners of the upper board body, compression springs are arranged in the support columns in a penetrating manner, one ends of the compression springs are connected with the upper board body, and the other ends of the compression springs face the lower board body.
5. The tool rest for detecting the printed board according to claim 3, wherein the meter includes a voltmeter and an ammeter, and a connection line of the voltmeter and a connection line of the ammeter are respectively connected to the connector;
and a window for embedding the voltmeter and the ammeter is arranged on the side surface of the base.
6. The tool rack for detecting the printed board according to claim 1, wherein a positioning pin is arranged on one surface of the die plate close to the base, and a positioning hole corresponding to the positioning pin is arranged on the base;
when the positioning pin is inserted into the positioning hole during detection, the die plate is placed in place.
7. The tool rack for inspecting printed boards according to claim 1, wherein the clamping device comprises a clamp, and the clamp comprises:
the clamp base is fixedly connected with the support frame;
one end of the clamp base is rotatably connected with one end of a first connecting component through a first pin shaft, the other end of the first connecting component, one end of the handle rod and one end of a second connecting component are rotatably connected with a second pin shaft, the other end of the second connecting component is rotatably connected with a movable rod through a third pin shaft, the movable rod is arranged in a pipe fitting in a penetrating mode, the pipe fitting is close to the die plate, and the pipe wall of the pipe fitting is connected with the other end of the clamp base;
the straight line of the movable path of the movable rod is vertical to the plane of the die plate.
8. The tool rack for inspecting printed boards according to claim 1 or 7, wherein the clamping means includes a movable bar;
one end of the movable rod close to the die plate is connected with a pressing plate, and one surface of the pressing plate close to the die plate is provided with support legs which are centrosymmetric relative to the pressing plate.
9. The tooling frame for detecting the printed board according to claim 2, wherein a groove is arranged on one surface of the upper board body away from the lower board body, and the groove is matched with the shape of the printed board to be detected.
10. The tool rack for detecting the printed board according to claim 3, wherein the interposer further comprises a safety device and a control switch;
the safety device is connected between the detection printed board and the control switch; the switch is used for controlling the opening and closing of the detection printed board; and a window used for embedding the control switch is arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221835580.2U CN217981579U (en) | 2022-07-18 | 2022-07-18 | Printed board detects uses frock frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221835580.2U CN217981579U (en) | 2022-07-18 | 2022-07-18 | Printed board detects uses frock frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217981579U true CN217981579U (en) | 2022-12-06 |
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ID=84278315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221835580.2U Active CN217981579U (en) | 2022-07-18 | 2022-07-18 | Printed board detects uses frock frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217981579U (en) |
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2022
- 2022-07-18 CN CN202221835580.2U patent/CN217981579U/en active Active
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