Circuit board electrical test automatic overturning test device

Abstract

The utility model discloses a circuit board electrical test automatic overturn test device, comprising an operation table, an overturn cylinder arranged on the operation table, an overturn plate connected with the overturn cylinder, an installation plate arranged on the overturn plate and used for bearing a circuit board, an installation groove arranged on the installation plate and matched with the circuit board, and a clamping groove arranged on the installation groove and used for clamping the circuit board. One end of the mounting groove is provided with a limiting assembly for fixing the circuit board on the mounting plate, and the lower side of the turnover plate is provided with a probe pressing assembly for pressing a test probe; by means of the mode, the circuit board turnover testing device can conduct turnover testing on a circuit board in a high-precision mode, is high in consistency, can reduce actions of operators, and improves production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board testing, in particular to an automatic flipping testing device for electrical testing of a circuit board. Background Art

[0002] At present, the EMS industry will conduct final tests on product performance before production and shipment. Products can only be shipped after they meet the quality standards, so the test station is the most common equipment in EMS factories. Due to the wide variety of products, the requirements for test functions are different. At present, there are many manual actions that need to be performed by humans, resulting in low production efficiency, and some circuit boards require high-precision flip tests, but the consistency of manual operations is poor, resulting in false alarms, which further wastes manpower. Utility Model Content

[0003] The main technical problem solved by the utility model is to provide a device which can perform flip test on a circuit board with high precision, has strong consistency, reduces the actions of operators, and improves production efficiency.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide an automatic flip test device for electrical measurement of a circuit board, including: an operating table, a flip cylinder is arranged on the operating table, the flip cylinder is connected to a flip plate, a mounting plate for carrying the circuit board is arranged on the flip plate, a mounting groove matching with the circuit board is opened on the mounting plate, a limiting assembly for fixing the circuit board on the mounting plate is arranged at one end of the mounting groove, and a pressure needle assembly of a crimping test probe is arranged on the lower side of the flip plate.

[0005] Preferably, the limit assembly includes a limit pressure head and a limit cylinder, the limit pressure head is connected to the limit cylinder and slides in the mounting groove, the limit cylinder is arranged on the mounting plate, and the limit cylinder drives the limit pressure head to press against one end of the circuit board, thereby fixing the circuit board on the mounting plate.

[0006] Preferably, the limiting pressure head is provided with a pressing groove, and the pressing groove matches with one end of the circuit board.

[0007] Preferably, the needle pressing assembly includes a movable plate, a pushing cylinder, and a probe. The pushing cylinder is arranged on the movable plate and its piston rod is connected to the flip plate. The movable plate is connected to the flip plate through a connecting rod. The probe is arranged on the movable plate and is arranged toward the circuit board.

[0008] Preferably, a limiting block is provided at one end of the mounting slot away from the limiting assembly, and the limiting block is used to block the position of the circuit board away from the end of the limiting assembly.

[0009] Preferably, a blocking protrusion extends from the limiting block.

[0010] Preferably, the mounting plate is provided with limiting columns arranged along the outer contour of the circuit board.

[0011] Preferably, the flipping plate and the mounting plate are provided with avoidance holes for the probes to pass through.

[0012] The beneficial effects of the present utility model are as follows: The mounting plate carrying the circuit board is driven by a flipping cylinder to flip by 180° or other angles, so as to perform a flipping test on the circuit board with high precision, and it can detect the test requirements of 180° horizontal polarity flipping or other angle flipping of the circuit board. The flipping consistency is relatively high, and the pressing needle group can automatically press the probes, thus automatically completing the detection of the product. The limiting component can ensure that the circuit board will not fall off the mounting plate no matter how many angles it flips. Description of the Drawings

[0013] Figure 1 is the overall structural schematic diagram of the present utility model;

[0014] Figure 2 is Figure 1 the enlarged view of part A in

[0015] Figure 3 is the overall structural schematic diagram of another perspective of the present utility model;

[0016] Figure 4 is Figure 3 the enlarged schematic view of part B in

[0017] The markings of each component in the drawings are as follows:

[0018] 1, operating table; 2, first support plate; 3, second support plate; 4, flipping cylinder; 5, flipping plate; 6, mounting plate; 7, mounting groove; 8, limiting column; 10, limiting press head; 11, limiting cylinder; 12, limiting block; 13, blocking protrusion; 14, pressing groove; 20, movable plate; 21, pushing cylinder; 22, probe. Detailed Embodiments

[0019] In order to make the above-mentioned objects, features, and advantages of the present utility model more obvious and understandable, the following will describe the detailed embodiments of the present utility model with reference to the drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation on the present utility model.

[0021] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0022] In the present utility model, unless otherwise clearly specified and defined, terms such as "mounted", "connected", "connected to", "fixed" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0024] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation.

[0025] The physical quantities in the formula, unless otherwise specified individually, should be understood as the basic quantities of the SI base units, or the derived quantities derived from the basic quantities through mathematical operations such as multiplication, division, differentiation or integration.

[0026] Embodiment:

[0027] Reference Figures 1-4 , an automatic flip test device for circuit board electrical testing, comprising: an operation table 1, on which a first support plate 2 and a second support plate 3 arranged oppositely are bolted. A flipping cylinder 4 is installed on the first support plate 2, and a flipping plate 5 is screwed to the rotating part of the flipping cylinder 4, so that the flipping plate 5 is between the first support plate 2 and the second support plate 3. One end of the flipping plate 5 connected to the second support plate 3 is connected to the second support plate 3 through a bearing, thus not affecting the rotation of the flipping plate 5. An installation plate 6 for carrying the circuit board is installed on the flipping plate 5, and an installation groove 7 matching the circuit board is formed on the installation plate 6, so as to facilitate placing the circuit board in the installation groove 7. A limiting component for fixing the circuit board on the installation plate 6 is installed at one end of the installation groove 7, and a pressing needle component for pressing the test probe 22 is installed on the lower side of the flipping plate 5.

[0028] Reference Figures 1-4 , the limiting component includes a limiting press head 10 and a limiting cylinder 11. The limiting press head 10 is screwed to the limiting cylinder 11 and the limiting press head 10 is slidably matched in the installation groove 7. The limiting cylinder 11 is bolted to the installation plate 6. The limiting cylinder 11 drives the limiting press head 10 to press against one end of the circuit board. The limiting press head 10 is provided with a pressing groove 14, and the pressing groove 14 matches one end of the circuit board, so as to fix the circuit board on the installation plate 6.

[0029] Reference Figures 1-4, To further stably fix the circuit board on the mounting plate 6, a limit block 12 is bolted to one end of the mounting groove 7 away from the limit assembly. Thus, the position of the limit block 12 on the mounting groove 7 remains unchanged and it can also serve as a reference. A blocking protrusion 13 extends from the limit block 12, thereby blocking the fall of this end of the circuit board through the blocking protrusion 13. Thus, the limit block 12 is used to block the position of one end of the circuit board away from the limit assembly. And through the cooperation with the limit assembly, the circuit board to be tested is accurately and stably fixed on the mounting plate 6, and even if the circuit board is flipped 180°, it will not fall off the mounting plate 6.

[0030] Reference Figures 1-4 , To further stabilize the position of the circuit board on the mounting plate 6, limit posts 8 arranged along the outer contour of the circuit board are installed on the mounting plate 6, so that the operator can more accurately place the circuit board into the mounting groove 7.

[0031] Reference Figures 1-4 , The pin pressing assembly includes a movable plate 20, a pushing cylinder 21, and a probe 22. The pushing cylinder 21 is bolted to the movable plate 20 and a part of the piston rod of the pushing cylinder 21 is connected to the bottom of the flipping plate 5. The movable plate 20 is connected to the flipping plate 5 through a connecting rod. The probe 22 is installed on the movable plate 20 and is arranged towards the circuit board. According to the actual installation position of the probe 22, avoidance holes for the probe 22 to pass through can be opened on the flipping plate 5 and the mounting plate 6, so that the probe 22 can contact the circuit board.

[0032] Reference Figures 1-4 , Thus, when the piston rod of the pushing cylinder 21 retracts, it drives the movable plate 20 to move towards the circuit board, and then the probe 22 contacts the circuit board to test the circuit board.

[0033] Operation process: The operator places the circuit board to be tested into the mounting groove 7, one end of which abuts against the limit block 12, and the blocking protrusion 13 restricts the position of the circuit board. Then the limit cylinder 11 operates to make the limit pressing head 10 press tightly against the other end of the circuit board. Subsequently, the pushing cylinder 21 operates to make the probe 22 contact the circuit board. Then the flipping cylinder 4 operates to make the flipping plate 5 rotate 180° or other specified angles, and the test system reads the circuit board values to determine whether they are within the normal range.

[0034] The above are only the embodiments of the present invention, and thus do not limit the patent scope of the present invention. All equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are equally included in the patent protection scope of the present invention.

Claims

1. An automatic flipping test device for electrical testing of a circuit board, characterized in that, Including: An operating table (1), on which a flipping cylinder (4) is arranged. The flipping cylinder (4) is connected to a flipping plate (5). An installation plate (6) for carrying a circuit board is arranged on the flipping plate (5). An installation groove (7) matching the circuit board is formed on the installation plate (6). A limiting component for fixing the circuit board on the installation plate (6) is arranged at one end of the installation groove (7). A needle pressing component for pressing a crimping test probe (22) is arranged on the lower side of the flipping plate (5).

2. The automatic flipping test device for circuit board electrical measurement according to claim 1, wherein: The limiting component includes a limiting press head (10) and a limiting cylinder (11). The limiting press head (10) is connected to the limiting cylinder (11) and is slidably matched with the installation groove (7). The limiting cylinder (11) is arranged on the installation plate (6). The limiting cylinder (11) drives the limiting press head (10) to press against one end of the circuit board, thereby fixing the circuit board on the installation plate (6).

3. The automatic flipping test device for circuit board electrical measurement according to claim 2, characterized in that: A pressing groove (14) is formed on the limiting press head (10), and the pressing groove (14) matches one end of the circuit board.

4. An automatic flipping test device for circuit board electrical testing according to claim 2 or 3, characterized in that: The needle pressing component includes a movable plate (20), a pushing cylinder (21), and a probe (22). The pushing cylinder (21) is arranged on the movable plate (20) and its piston rod is connected to the flipping plate (5). The movable plate (20) is connected to the flipping plate (5) through a connecting rod. The probe (22) is arranged on the movable plate (20) and is arranged towards the circuit board.

5. An automatic flipping test device for electrical measurement of a circuit board according to claim 1, characterized in that: A limiting block (12) is arranged at one end of the installation groove (7) far from the limiting component. The limiting block (12) is used to block the position of one end of the circuit board far from the limiting component.

6. The automatic flipping test device for circuit board electrical measurement according to claim 5, wherein: A blocking protrusion (13) extends from the limiting block (12).

7. An automatic flipping test device for circuit board electrical measurement according to claim 1, characterized in that: Limiting columns (8) arranged along the outer contour of the circuit board are arranged on the installation plate (6).

8. An automatic flipping test device for electrical testing of a circuit board according to claim 1, characterized in that: Avoidance holes for the probe (22) to pass through are formed on the flipping plate (5) and the installation plate (6).

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