CN109490754B

CN109490754B - Circuit board parallel test system

Info

Publication number: CN109490754B
Application number: CN201811411494.7A
Authority: CN
Inventors: 徐永平; 明伟; 毛忠伟
Original assignee: Suzhou Exceltech Electronics Co ltd
Current assignee: Suzhou Exceltech Electronics Co ltd
Priority date: 2018-11-24
Filing date: 2018-11-24
Publication date: 2021-03-09
Anticipated expiration: 2038-11-24
Also published as: CN109490754A

Abstract

The invention discloses a circuit board parallel test system, which comprises a case and a circuit board positioning mechanism, wherein a base is fixedly arranged below the case, a cavity is arranged in the base, a long hole is formed in the middle of the front surface of the base, at least five circuit detection main bodies are arranged in the case side by side, a probe is arranged on one side of each circuit detection main body, the circuit board positioning mechanism comprises an upper C-shaped clamping groove, a lower C-shaped clamping groove and a small sliding groove, the upper C-shaped clamping groove is arranged at a position close to the upper part between two adjacent circuit detection main bodies, the lower C-shaped clamping groove is arranged at a position close to the lower part between two adjacent circuit detection main bodies, a plurality of circuit boards can be tested in parallel, the space is utilized to the maximum extent, the trouble caused by one test is avoided, and the occupied area of the device is small, greatly saves the ground space for the detection workshop.

Description

Circuit board parallel test system

Technical Field

The invention relates to the technical field of circuit boards, in particular to a parallel test system for a circuit board.

Background

In a circuit board assembly production line, testing is the weakest link in automation degree, for the assembly of a circuit board, the processes from tin blue brushing to reflow soldering are finished on an automatic line, only in the testing link, the automation process is stopped, and at present, in most production lines, the testing is finished manually by operators; the probe above the jig is used for detection, and the detection equipment can only detect one circuit board at a time, one piece of equipment needs to be controlled by one person, and the occupied area of the equipment is large.

Disclosure of Invention

The invention aims to provide a parallel test system for circuit boards, which aims to solve the problems of equipment floor area and low test efficiency.

The invention is realized by the following steps: a circuit board parallel test system comprises a case and a circuit board positioning mechanism, wherein a base is fixedly arranged below the case, a cavity is arranged inside the base, a long hole is formed in the middle of the front surface of the base, at least five circuit detection main bodies are arranged inside the case side by side, a probe is arranged on one side of each circuit detection main body, the circuit board positioning mechanism comprises an upper C-shaped clamping groove, a lower C-shaped clamping groove and a small sliding groove, the upper C-shaped clamping groove is arranged between two adjacent circuit detection main bodies and close to the upper position, the lower C-shaped clamping groove is arranged between two adjacent circuit detection main bodies and close to the lower position, a connecting rod is fixedly connected between one sides of the upper C-shaped clamping groove and the lower C-shaped clamping groove far away from the probe, the small sliding groove is formed in the upper surface of the base, and the small sliding groove is arranged between the two adjacent, a small sliding block is fixed in the middle of the lower surface of the lower C-shaped clamping groove, the lower end of the small sliding block penetrates through the small sliding groove, a large sliding block is fixedly mounted at the lower ends of the five small sliding blocks, and the large sliding block is located on the inner lower surface of the cavity; a switch button is arranged on one side of the case, and a rubber layer is arranged on the outer surface of the switch button; the front surface of the case is provided with the test non-passing alarms, and the number of the test non-passing alarms is the same as that of the circuit detection main bodies; the position of the alarm which does not pass the test corresponds to the position of the circuit detection main body; the middle part of the front surface of the large sliding block is provided with a connecting column, and one end of the connecting column, which is far away from the large sliding block, penetrates through the strip-shaped hole; the handle is installed to the one end that the spliced pole passed rectangular hole, and the surface of handle is provided with the rubber layer.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can test a plurality of circuit boards in parallel, utilizes the space to the maximum extent, avoids the trouble caused by one test, has high test efficiency, occupies small area and greatly saves the ground space for a detection workshop;

2. the C-shaped groove capable of moving is arranged, so that the circuit board on the C-shaped groove can be firstly loaded and then is contacted with the probe, and the test is accurate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an exploded view of the circuit board positioning mechanism of the present invention.

In the figure: 1. a chassis; 2. a switch button; 3. the test fails the alarm; 4. a circuit board positioning mechanism; 41. c-shaped clamping grooves are arranged; 42. a connecting rod; 43. a C-shaped clamping groove is arranged; 44. a small slider; 45. a large slider; 46. a handle; 47. a small chute; 48. connecting columns; 5. a probe; 6. a circuit detection main body; 7. a base; 71. a cavity; 72. and (4) a long hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

An embodiment, referring to fig. 1, 2 and 3, a circuit board parallel test system includes a case 1 and a circuit board positioning mechanism 4, one side of the case 1 is provided with a switch button 2, the switch button 2 is used for controlling whether a circuit detection main body 6 is electrified for detection, and the outer surface of the switch button 2 is provided with a rubber layer, a base 7 is fixedly installed below the case 1, the inside of the base 7 is provided with a cavity 71, the cavity 71 is used for accommodating a large slider 45, the middle part of the front surface of the base 7 is provided with a strip hole 72, the strip hole 72 is used for accommodating a connecting column 48, at least five circuit detection main bodies 6 are installed in the case 1 side by side, the circuit detection main bodies 6 play a detection and analysis role, one side of the circuit detection main body 6 is provided with a probe 5, the probe 5 is in direct contact with a circuit board to play a detection role, A lower C-shaped clamping groove 43 and a small sliding groove 47, wherein the upper C-shaped clamping groove 41 is arranged between two adjacent circuit detection main bodies 6 and is close to the upper position, the lower C-shaped clamping groove 43 is arranged between two adjacent circuit detection main bodies 6 and is close to the lower position, the C-shaped clamping groove 41 and the lower C-shaped clamping groove 43 are used for clamping a circuit board and positioning the circuit board, a connecting rod 42 is fixedly connected between one sides of the upper C-shaped clamping groove 41 and the lower C-shaped clamping groove 43, which are far away from the probe 5, the connecting rod 42 is used for connecting the upper C-shaped clamping groove 41 and the lower C-shaped clamping groove 43, so that the upper C-shaped clamping groove 41 and the lower C-shaped clamping groove 43 are integrated, the small sliding groove 47 is arranged on the upper surface of the base 7, the small sliding groove 47 is used for accommodating the small sliding block 44, the small sliding groove 47 is arranged between the two adjacent circuit detection main bodies 6, the middle part of the lower surface of the lower, the lower end of the small slide block 44 penetrates through the small slide groove 47, the lower ends of the five small slide blocks 44 are fixedly provided with the large slide block 45, the large slide block 45 is used for connecting each small slide block 44, the large slide block 45 is positioned on the inner lower surface of the cavity 71, the middle part of the front surface of the large slide block 45 is provided with the connecting column 48, one end, far away from the large slide block 45, of the connecting column 48 penetrates through the long hole 72, one end, penetrating through the long hole 72, of the connecting column 48 is provided with the handle 46, the large slide block 45 can move in the cavity 71 by pushing the handle 46 left and right to realize the movement of each small slide block 44, the outer surface of the handle 46 is provided with a rubber layer, the front surface of the case 1 is provided with the alarms 3 which can not pass the test, the number of the alarms 3 which can not pass the test is the same as that of the circuit, the alarm is sounded when the test is not passed, and people are reminded that the circuit board is unqualified.

The working principle is as follows: through promoting handle 46, make handle 46 move left, thereby handle 46 drives big slider 45 and moves left, big slider 45 drives C type draw-in groove and moves left through driving little slider 44 and move left, thereby make C type draw-in groove 43 and last C type draw-in groove wholly keep away from probe 5 down, insert the inside of C type draw-in groove with each circuit board that needs to detect this moment, rethread promotes handle 46 right, make C type draw-in groove drive circuit board and move right, until circuit board contact probe 5, press shift knob 2 this moment, make circuit detection main part 6 work, probe 5 can detect this moment, when detecting and not being conform to the regulation, the detection of corresponding circuit board top is not through 3 phonations of alarm, remind people's circuit board unqualifiedly.

The device obtained by the design can basically meet the use requirement of a circuit parallel test system, but the designer further improves the device with the aim of further improving the function of the device.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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.

Claims

1. The utility model provides a circuit board parallel test system, includes quick-witted case (1) and circuit board positioning mechanism (4), its characterized in that: a base (7) is fixedly installed below the case (1), a cavity (71) is arranged inside the base (7), a long hole (72) is formed in the middle of the front surface of the base (7), at least five circuit detection main bodies (6) are installed inside the case (1) side by side, a probe (5) is arranged on one side of each circuit detection main body (6), the circuit board positioning mechanism (4) comprises an upper C-shaped clamping groove (41), a lower C-shaped clamping groove (43) and a small sliding groove (47), the upper C-shaped clamping groove (41) is arranged at a position close to the upper part between two adjacent circuit detection main bodies (6), the lower C-shaped clamping groove (43) is arranged at a position close to the lower part between two adjacent circuit detection main bodies (6), and a connecting rod (42) is fixedly connected between one side, far away from the probe (5), of the upper C-shaped clamping groove (41) and the lower C-shaped clamping groove (43), the small sliding grooves (47) are formed in the upper surface of the base (7), the small sliding grooves (47) are located between two adjacent circuit detection main bodies (6), small sliding blocks (44) are fixed to the middle of the lower surface of the lower C-shaped clamping groove (43), the lower ends of the small sliding blocks (44) penetrate through the small sliding grooves (47), large sliding blocks (45) are fixedly mounted at the lower ends of the five small sliding blocks (44), and the large sliding blocks (45) are located on the inner lower surface of the cavity (71); a switch button (2) is arranged on one side of the case (1), and a rubber layer is arranged on the outer surface of the switch button (2); the front surface of the case (1) is provided with the test non-passing alarms (3), and the number of the test non-passing alarms (3) is the same as that of the circuit detection main bodies (6); the position of the alarm (3) which does not pass the test corresponds to the position of the circuit detection main body (6); a connecting column (48) is arranged in the middle of the front surface of the large sliding block (45), and one end, far away from the large sliding block (45), of the connecting column (48) penetrates through the long hole (72); the handle (46) is installed at one end, penetrating through the strip hole (72), of the connecting column (48), and a rubber layer is arranged on the outer surface of the handle (46).