CN218481608U

CN218481608U - A test fixture for detecting PCB board

Info

Publication number: CN218481608U
Application number: CN202222138657.7U
Authority: CN
Inventors: 张鹏
Original assignee: Shenzhen Youyi Technology Co ltd
Current assignee: Shenzhen Youyi Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-02-14
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to a test fixture for detecting PCB board, including examining test table, its characterized in that: the detection table comprises a base, an upper cover plate positioned above the base and a detection clamp detachably arranged on the upper cover plate; the detection clamp comprises a detection area provided with a detection hole, a clamping block positioned at the edge of the detection area, and a driving component for driving the clamping block; when different PCB boards need to be tested, the detection area adopts the format of conventional universal type, can detect the same size PCB board of the same type, sets up to press from both sides the size that tight piece can automatically regulated centre gripping scope under drive component's drive, fixes the PCB board at the detection area, afterwards manually with the portion of pushing down compress tightly can.

Description

A test fixture for detecting PCB board

Technical Field

The utility model belongs to the technical field of detection tool's technique and specifically relates to a test fixture for detecting PCB board is related to.

Background

With the development of technology, manufacturers have increasingly demanded higher and higher requirements for the detection of PCB (printed circuit board), such as the efficiency of defect detection of PCB and the imaging quality of defect scanning.

At present, in the prior art, a detection jig is generally used for detecting a PCB, and the PCB is placed on the detection jig, so that a connection contact point on the PCB is connected with a detection probe on the detection jig and electrified to realize detection of the PCB; although these detection jigs for detecting the PCB can detect whether the PCB can work normally, they can only detect one kind of PCB in a targeted manner, and if other PCBs need to be detected, the jigs and the corresponding detection circuits need to be replaced, which is inconvenient in use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defect who proposes in the above-mentioned background art, the utility model aims at providing a test fixture for detecting PCB board can test the PCB board of the equidimension of the same type under the condition that need not change test fixture.

The utility model adopts the following technical scheme:

a test fixture for detecting a PCB comprises a detection table, wherein the detection table comprises a base, an upper cover plate and a detection clamp, the upper cover plate is positioned above the base, and the detection clamp is detachably arranged on the upper cover plate; the detection clamp comprises a detection area provided with a detection hole, a clamping block positioned at the edge of the detection area, and a driving component used for driving the clamping block.

Through adopting above-mentioned scheme, driver part can promote and press from both sides tight piece, will place the PCB board clamp in the detection zone tightly to the inspection hole of detection zone adopts the general formula design, can agree with multiple PCB board, presss from both sides tight piece and can fix the PCB board in the detection zone according to the big or small automatic control of different PCB boards.

Preferably, a cavity is arranged in the base, and a linkage part and a detection part are arranged in the cavity.

Preferably, the linkage part comprises an extension bracket fixedly installed below the upper cover plate, a driving connecting rod linked with the extension bracket, a driven connecting rod linked with the driving connecting rod, and a driving motor for driving the driving connecting rod; the driving motor drives the driving connecting rod through gear linkage, so that the driving connecting rod carries out swing arm movement, meanwhile, the driven connecting rod is driven to carry out swing arm movement in a coordinated mode, and the upper cover plate is driven to move through the extension support fixedly installed below the upper cover plate.

By adopting the scheme, the upper cover plate and the base can be lifted by actively driving the driving connecting rod by the driving motor so as to conveniently replace the internal test circuit board.

Preferably, the detection part comprises a mounting seat for mounting the detection circuit board and a main control integrated area; the main control integrated area is electrically connected with the driving motor, the driving part and the mounting seat respectively.

By adopting the scheme, the main control integration area can directly control each electrical element, and can also collect information fed back by the detection circuit board to realize integrated control.

Preferably, the upper cover plate is provided with a supporting plate, the supporting plate is provided with a connecting arm, and the connecting arm is provided with a guide sleeve and a pressing part.

Preferably, the lower pressing portion comprises a lower pressing rod which is provided with a handle and is installed on the connecting arm, a lower pressing column which penetrates through the guide sleeve, a connecting piece which is used for linking the lower pressing rod and the lower pressing column, and a lower pressing plate which is located below the lower pressing column.

Preferably, the pressing part is provided with a polished rod guide rail, and two ends of the polished rod guide rail are respectively and fixedly installed on the upper cover plate and the support plate.

Preferably, the base is provided with a display screen, the side face of the display screen is provided with a key, and the side face of the base is provided with a handle.

Preferably, the upper cover plate is provided with a status indicator light for indicating a detection status, and a positioning column is arranged beside the status indicator light.

As preferred, the detection zone both sides are equipped with the convenient groove of being convenient for take out the PCB board, are equipped with the laser detection head that is used for detecting PCB board mounted position in the detection zone.

To sum up, the beneficial effects of the utility model are that:

1. when different PCB boards need to be tested, the detection area adopts the format of conventional universal type, can detect the same size PCB board of the same type, sets up to press from both sides the size that tight piece can automatically regulated centre gripping scope under drive component's drive, fixes the PCB board at the detection area, afterwards manually with the portion of pushing down compress tightly can.

2. If the test circuit board needs to be replaced, the upper cover plate can be automatically driven and lifted through a program set by the built-in main control part only by pressing the key, so that the test circuit board is replaced; and still be equipped with the display screen on the testboard, except that whether the PCB board is qualified can directly be demonstrateed to conventional red and green state pilot lamp, still can directly feed back the remaining detailed information of PCB board that is detected.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically described below with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is an exploded view of an inspection station in an embodiment of the present invention;

fig. 4 is an exploded view of a detection fixture in an embodiment of the invention;

FIG. 5 is a main view of the linkage part according to the embodiment of the present invention;

figure 6 is a main view of the lower portion of the embodiment of the present invention.

The reference numbers in the figures illustrate:

wherein, 1, detecting platform; 11. a base; 111. a display screen; 112. pressing a key; 113. buckling a handle; 12. an upper cover plate; 121. a status indicator light; 122. a positioning column; 13. a master control integrated area; 14. a mounting seat; 2. detecting the clamp; 21. a drive member; 22. a clamping block; 23. a laser detection head; 24. a convenient groove; 3. a support plate; 31. a connecting arm; 32. a guide sleeve; 4. a pressing part; 41. a handle; 42. a lower pressure lever; 43. a connecting member; 44. pressing the column; 45. pressing the plate downwards; 46. a polished rod guide rail; 5. a drive motor; 51. a driving connecting rod; 52. a driven connecting rod; 53. a gear; 54. an extension bracket; 6. sealing rubber strips; 7. and detecting the circuit board.

Detailed Description

In order that the manner in which the present invention can be understood in detail, a more particular description of the invention briefly summarized above may be had by reference to the embodiments thereof which are illustrated in the appended drawings.

It should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. used herein indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply 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 limiting the invention. "plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model provides a test fixture for detecting PCB board, is including examining test table 1, examine test table 1 and include base 11, be located the upper cover plate 12 of base 11 top to and the detachable detection anchor clamps 2 of installing on upper cover plate 12.

The upper cover plate 12 is provided with an opening for placing the inspection jig 2.

Detect anchor clamps 2 and include the detection zone, be equipped with the inspection hole of general ground in the detection zone, press from both sides tight piece 22 in two diagonal departments that lie in the detection zone, press from both sides tight piece 22 rear and install the embedding at the drive assembly 21 that detects anchor clamps 2, drive assembly 21 can be step motor, also can be the telescopic link, and in this embodiment, drive assembly 21 has adopted electric telescopic handle to drive. The driver part 21 can promote and press from both sides tight piece 22, is equipped with contact pick up on the lateral wall of fixed block, and driver part 21 promotes and presss from both sides tight piece 22 and moves, and shrink clamping range, contact pick up can feed back to driver part 21 when pressing from both sides tight piece 22 and contacting when detecting the PCB board, stops the promotion to pressing from both sides tight piece 22, can be so that pressing from both sides tight piece 22 and can press from both sides the PCB board of tight equidimension not, and still can not be because of the excessive damage PCB board of centre gripping.

A cavity is arranged in the base 11, a linkage part and a detection part are arranged in the cavity, and the detection part comprises a mounting seat 14 for mounting the detection circuit board 7 and a main control integrated area 13 positioned at the bottom of the mounting seat 14; the linkage part comprises extension supports 54 fixedly installed below the upper cover plate 12, the extension supports 54 are respectively provided with one position on the left side and the right side of the upper cover plate 12, each position is provided with two positions, the two extension supports 54 are respectively connected with a driving connecting rod 51 and a driven connecting rod 52, a gear 53 is arranged at one end, away from the extension supports, of the driving connecting rod 51, a driving motor 5 is arranged in the main control integration area 13, a gear 53 is arranged outside the driving motor 5, the gear 53 on the driving motor 5 is matched with the gear 53 on the driving connecting rod 51, the driving connecting rod 51 is driven by the driving motor 5 through the matched gear 53, the upper cover plate 12 is lifted, and therefore the detection circuit can be replaced conveniently. The driven link 52 is used as a reinforcing support and is driven by the driving link 51 in a linkage manner. The driving connecting rod 51 and the driven connecting rod 52 are respectively provided with a group at the left end and the right end, and are driven by the same driving motor 5, and the driving connecting rod 51 and the driven connecting rod 52 at the left end and the right end can enable the upper cover plate 12 to be lifted more quickly and stably.

The main control integration area 13 can directly control each electrical element, and can also collect information fed back by the detection circuit board 7, the information is fed back through the display screen 111 arranged on the base 11, and the upper cover plate 12 is provided with a status indicator light 121 for indicating the detection status, and the status indicator light 121 has two colors of red and green, and can directly feed back whether to pass through or not.

The upper cover plate 12 is provided with a supporting plate 3, the supporting plate 3 is provided with a connecting arm 31 fixedly mounted by a screw, and the connecting arm 31 is provided with a guide sleeve 32 and a pressing part 4.

The lower pressing part 4 comprises a lower pressing rod 42 arranged on the connecting arm 31, the lower pressing rod 42 is provided with an antistatic handle 41 at a position far away from the connecting arm 31, a lower pressing column 44 is arranged on the guide sleeve 32, a connecting piece 43 for linking the lower pressing rod 42 and the lower pressing column 44 is further arranged, and a lower pressing plate 45 is further arranged below the lower pressing column.

In order to reinforce the connection and stabilize the up-and-down movement of the lower pressing plate 45, two polish rod guide rails 46 are provided on the lower pressing portion 4, and both ends of each polish rod guide rail 46 are fixedly mounted on the upper cover plate 12 and the support plate 3, respectively.

The positioning column 122 is arranged beside the status indicator lamp 121, so that the installation position of the detection clamp 2 can be limited, and errors in installation of the detection clamp 2 are avoided. Be equipped with the convenient groove 24 that is convenient for take out the PCB board in detection zone both sides, still be equipped with the breach that is convenient for dismouting detection anchor clamps 2 beside convenient groove 24. Be equipped with the laser detection head 23 that is used for detecting PCB board mounted position in the detection zone, laser detection head 23 can detect whether accurate in the position of PCB board.

A sealing rubber strip 6 is arranged between the upper cover plate 12 and the base 11, so that cleanness and tidiness in the cavity can be kept, and interference caused by dust falling into the cavity is avoided. The side of the base 11 is also provided with a buckle 113, which is convenient for moving the device.

In summary, the principle of the embodiment of the present application is:

when different PCBs need to be tested, the detection area adopts a conventional universal format, the PCBs of the same type and the same size can be detected, the clamping block 22 is arranged to automatically adjust the clamping range under the driving of the driving component 21, the PCBs are fixed in the detection area, and then the pressing part 4 is manually pressed; if the test circuit board needs to be replaced, the upper cover plate 12 can be automatically driven and lifted through a program set by the built-in main control part only by pressing the key 112, so that the test circuit board is replaced; and a display screen 111 is also arranged on the test bench, so that whether the PCB is qualified or not can be directly displayed by the conventional red and green status indicator lamp 121, and other detailed information of the detected PCB can be directly fed back.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a test fixture for detecting PCB board, is including examining test table (1), its characterized in that: the detection table (1) comprises a base (11), an upper cover plate (12) positioned above the base (11), and a detection clamp (2) detachably mounted on the upper cover plate (12); the detection clamp (2) comprises a detection area provided with a detection hole, a clamping block (22) located on the edge of the detection area, and a driving component (21) used for driving the clamping block (22).

2. The test fixture for inspecting PCB of claim 1, wherein: a cavity is arranged in the base (11), and a linkage part and a detection part are arranged in the cavity.

3. The testing fixture for inspecting PCB of claim 2, wherein: the linkage part comprises an extension bracket (54) fixedly arranged below the upper cover plate (12), a driving connecting rod (51) for linking the extension bracket (54), a driven connecting rod (52) linked with the driving connecting rod (51), and a driving motor (5) for driving the driving connecting rod (51); the driving motor (5) drives the driving connecting rod (51) through gear linkage, so that the driving connecting rod (51) performs swing arm movement, meanwhile, the driven connecting rod (52) is driven to perform swing arm movement in a coordinated mode, and the upper cover plate (12) is driven to move through an extension support (54) fixedly installed below the upper cover plate (12).

4. The test fixture for inspecting PCB of claim 2, wherein: the detection part comprises a mounting seat (14) for mounting a detection circuit board (7) and a main control integrated area (13); the main control integrated area (13) is electrically connected with the driving motor (5), the driving part (21) and the mounting seat (14) respectively.

5. The testing fixture for inspecting PCB of claim 1, wherein: the upper cover plate (12) is provided with a supporting plate (3), a connecting arm (31) is installed on the supporting plate (3), and the connecting arm (31) is provided with a guide sleeve (32) and a pressing part (4).

6. The testing fixture for inspecting PCB of claim 5, wherein: the pressing-down part (4) comprises a pressing-down rod (42) which is provided with a handle (41) and is arranged on the connecting arm (31), a pressing-down column (44) which penetrates through the guide sleeve (32), a connecting piece (43) which is used for linking the pressing-down rod (42) and the pressing-down column (44), and a pressing-down plate (45) which is positioned below the pressing-down column (44).

7. The testing fixture for inspecting PCB of claim 6, wherein: and a polish rod guide rail (46) is arranged on the lower pressing part (4), and two ends of the polish rod guide rail (46) are fixedly installed on the upper cover plate (12) and the support plate (3) respectively.

8. The test fixture for inspecting PCB of claim 1, wherein: the base (11) is provided with a display screen (111), a key (112) is arranged on the side surface of the display screen (111), and a buckle (113) is arranged on the side surface of the base (11).

9. The testing fixture for inspecting PCB of claim 1, wherein: the upper cover plate (12) is provided with a status indicator lamp (121) for indicating a detection status, and a positioning column (122) is arranged beside the status indicator lamp (121).

10. The testing fixture for inspecting PCB of claim 1, wherein: the detection zone both sides are equipped with convenient groove (24) of being convenient for take out the PCB board, are equipped with laser detection head (23) that are used for detecting PCB board mounted position in the detection zone.