CN212989581U

CN212989581U - Positioning device of PCB testing machine without positioning holes

Info

Publication number: CN212989581U
Application number: CN202022237703.XU
Authority: CN
Inventors: 张敏
Original assignee: Wuhan Anzhengxin Optoelectronics Co ltd
Current assignee: Wuhan Anzhengxin Optoelectronics Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-04-16
Anticipated expiration: 2030-10-10

Abstract

A locating device of a PCB board testing machine without locating holes relates to the technical field of testing machine locating, and comprises a locating table, a bottom locating mechanism, a sliding locating mechanism, a clamping mechanism and a testing machine mechanism, wherein the locating table comprises a bedplate, an upright post and a mounting clamping seat, the bottom locating mechanism comprises a locating disc and a locating plate, one surface of the locating disc is connected with one surface of the bedplate, the sliding locating mechanism comprises a locating column and auxiliary columns, the lower surface of the locating column is connected with one surface of the bedplate, the clamping mechanism comprises movable rods, first rotating columns and a PCB board, first through holes are arranged in the four mounting clamping seats, one ends of the four first rotating columns are respectively in rotating fit with the four first through holes, the other ends of the four first rotating columns are respectively connected with two surfaces of the two movable rods, the PCB board is respectively in sliding fit with the locating column and the peripheral surfaces of the three auxiliary columns, the testing machine mechanism comprises sliding columns, the utility model discloses in, the position that rotary fit changed the clamping between movable rod and the connecting rod.

Description

Positioning device of PCB testing machine without positioning holes

Technical Field

The utility model relates to a test machine location technical field, in particular to no locating hole PCB board test machine positioner.

Background

The existing PCB board testing machine generally comprises a testing top board and a testing bottom board, wherein testing needle beds are symmetrically arranged on the testing top board and the testing bottom board, a PCB board is placed on the testing needle bed of the testing bottom board during testing, the testing top board moves downwards to clamp the PCB board between the testing top board and the testing bottom board, and then testing is started.

The positioning device of the existing PCB testing machine without the positioning holes is provided with a simple positioning mechanism, a clamping mechanism and the like, so that the positioning device of the PCB testing machine without the positioning holes is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a no locating hole PCB board test machine positioner, can effectively solve among the background art positioning mechanism simple, lack fixture scheduling problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a positioning device of a PCB board testing machine without positioning holes comprises a positioning table, a bottom positioning mechanism, a sliding positioning mechanism, a clamping mechanism and a testing machine mechanism, wherein the positioning table comprises a bedplate, an upright rod and mounting clamping seats, the bottom positioning mechanism comprises a positioning disc and positioning plates, one surface of the positioning disc is connected with one surface of the bedplate, the lower surfaces of the four positioning plates are connected with the surface of the bedplate, the sliding positioning mechanism comprises positioning columns and auxiliary columns, the lower surfaces of the positioning columns are connected with the surface of the bedplate, the lower surfaces of the three auxiliary columns are connected with the surface of the bedplate, the clamping mechanism comprises movable rods, first rotating columns and a PCB board, first through holes are formed in the four mounting clamping seats, one ends of the four first rotating columns are respectively matched with the four first through holes in a rotating mode, the other ends of the four first rotating columns are respectively connected with two surfaces of the two movable rods, the PCB is respectively in sliding fit with the positioning column and the peripheral side faces of the three auxiliary columns, the testing machine mechanism comprises a sliding column, and one surface of the sliding column is connected with the peripheral side face of the vertical rod.

Preferably, the four mounting clamping seats are all mounted on one surface of the bedplate, the lower surfaces of the vertical rods are connected with the one surface of the bedplate, and the bedplate plays a role in supporting the whole positioning device.

Preferably, bottom positioning mechanism still includes locating piece and spring, two spring one ends are connected with two locating plate week side respectively, two spring other ends are connected with two locating piece week side respectively, and the positioning disk is the PCB board final placement position.

Preferably, the sliding positioning mechanism further comprises a detection clamping belt and a sliding block, the detection clamping belt is installed on the peripheral side face of the positioning column, a sliding groove is formed in the positioning column, the sliding block is in sliding fit with the sliding groove, the sliding block slides along with the up-and-down sliding of the PCB, and the moving height of the sliding block can be recorded.

Preferably, fixture still includes second column spinner, connecting rod, spliced pole and clamping, two inside second through-holes that all are equipped with of movable rod, four second column spinner one ends respectively with the rotatory cooperation of four second through-holes, four second column spinner other ends respectively with connecting rod two surface connection, the spliced pole sets up between clamping and connecting rod, two clamping all with PCB board week side connection, the clamping mainly realizes the centre gripping with the contact of PCB board and fixes.

Preferably, the testing machine mechanism further comprises a sliding rod, a fixed column and a testing machine, one end of the sliding rod is in sliding fit with the sliding column, the other end of the sliding rod is connected with one surface of the fixed column, the testing machine is mounted on one surface of the fixed column, and the sliding column is in sliding fit with the sliding rod to change the position of the testing machine.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the positioning disc is the final PCB placing position, the spring elastically adjusts the position of the positioning block, the positioning and fixing of the bottom are realized, the positioning column mainly provides the positioning function in the sliding descending process of the PCB, and the positioning column and the PCB are matched to realize the more optimal positioning of the PCB;

2. the utility model discloses in, the position that the clamping was changed in a flexible way to the normal running fit between movable rod and the connecting rod can realize removing the centre gripping of not equidimension and not co-altitude PCB board.

Drawings

Fig. 1 is a schematic view of the whole structure of the positioning device of the PCB testing machine without positioning holes of the present invention;

fig. 2 is a schematic view of a front view structure of the positioning device of the PCB testing machine without positioning holes of the present invention;

fig. 3 is a schematic side view of the positioning device of the PCB testing machine without positioning holes of the present invention;

fig. 4 is a schematic cross-sectional view taken along line a-a of fig. 3 according to the present invention.

In the figure: 100. a positioning table; 110. a platen; 120. erecting a rod; 130. installing a card seat; 200. a bottom positioning mechanism; 210. positioning a plate; 220. positioning blocks; 230. a spring; 240. positioning a plate; 300. a slide positioning mechanism; 310. a positioning column; 320. detecting a cassette; 330. a slider; 340. an auxiliary column; 400. a clamping mechanism; 410. a movable rod; 420. a first spin column; 430. a second spin column; 440. a connecting rod; 450. connecting columns; 460. clamping; 470. a PCB board; 500. a testing machine mechanism; 510. a traveler; 520. a slide bar; 540. a testing machine.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-4, the present invention relates to a positioning device for a PCB testing machine without positioning holes, comprising a positioning table 100, a bottom positioning mechanism 200, a sliding positioning mechanism 300, a clamping mechanism 400, and a testing machine 500, wherein the positioning table 100 comprises a table plate 110, an upright rod 120, and a mounting socket 130, the bottom positioning mechanism 200 comprises a positioning plate 210 and positioning plates 240, one surface of the positioning plate 210 is connected with one surface of the table plate 110, the lower surfaces of the four positioning plates 240 are connected with one surface of the table plate 110, the sliding positioning mechanism 300 comprises positioning columns 310 and auxiliary columns 340, the lower surfaces of the positioning columns 310 are connected with one surface of the table plate 110, the lower surfaces of the three auxiliary columns 340 are connected with one surface of the table plate 110, the clamping mechanism 400 comprises movable rods 410, first rotating columns 420, and PCB plates 470, first through holes are disposed inside the four mounting sockets 130, one ends of the four first rotating columns 420 are respectively rotatably fitted with, the other ends of the four first rotating columns 420 are respectively connected to two surfaces of the two movable rods 410, the PCB 470 is respectively in sliding fit with the positioning columns 310 and the peripheral sides of the three auxiliary columns 340, the testing machine mechanism 500 includes a sliding column 510, and one surface of the sliding column 510 is connected to the peripheral side of the vertical rod 120.

Further, four mounting brackets 130 are mounted on a surface of the bedplate 110, the lower surface of the upright 120 is connected with a surface of the bedplate 110, and the bedplate 110 plays a role of supporting the whole positioning device.

Further, the bottom positioning mechanism 200 further includes positioning blocks 220 and springs 230, one ends of the two springs 230 are respectively connected to the peripheral sides of the two positioning blocks 240, the other ends of the two springs 230 are respectively connected to the peripheral sides of the two positioning blocks 220, and the positioning plate 210 is the final placement position of the PCB 470.

Further, the sliding positioning mechanism 300 further includes a detection cassette 320 and a slider 330, the detection cassette 320 is installed on the peripheral side of the positioning column 310, a sliding slot is formed in the positioning column 310, the slider 330 is in sliding fit with the sliding slot, and the slider 330 slides along with the up-and-down sliding of the PCB 470 to record the moving height thereof.

Further, fixture 400 still includes second column 430, connecting rod 440, spliced pole 450 and clip 460, two inside second through-holes that all are equipped with of movable rod 410, four second column 430 one ends respectively with four second through-hole normal running fit, four second column 430 other ends respectively with connecting rod 440 two surface connections, spliced pole 450 sets up between clip 460 and connecting rod 440, two clips 460 all are connected with PCB board 470 week side, clip 460 mainly realizes the centre gripping with the contact of PCB board 470 and fixes.

Further, the testing mechanism 500 further includes a sliding rod 520, a fixed column 530 and a testing machine 540, one end of the sliding rod 520 is slidably engaged with the sliding column 510, the other end of the sliding rod 520 is connected with a surface of the fixed column 530, the testing machine 540 is mounted on a surface of the fixed column 530, and the sliding column 510 is slidably engaged with the sliding rod 520 to change the position of the testing machine 540.

Example two:

referring to fig. 1-4, the utility model relates to a no locating hole PCB board test machine positioner, its theory of operation is: the positioning disc 210 is the final fixed position of the PCB 470, the spring 230 elastically adjusts the positioning strength of the positioning block 220, the PCB 470 is positioned and fixed, the movable rod 410 and the connecting rod 440 are rotatably matched to flexibly change the position of the clamp 460, the PCB 470 is elastically clamped in different sizes and different thicknesses, the PCB 470 slides along with the positioning column 310 and the auxiliary column 340, and the sliding distance of the slider 330 is displayed on the detection clamp band 320, namely, the descending distance.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a no locating hole PCB board test machine positioner, includes location platform (100), bottom positioning mechanism (200), slide positioning mechanism (300), fixture (400), test machine mechanism (500), its characterized in that: the positioning table (100) comprises a table plate (110), upright rods (120) and mounting clamping seats (130), the bottom positioning mechanism (200) comprises a positioning disc (210) and positioning plates (240), one surface of the positioning disc (210) is connected with one surface of the table plate (110), the lower surfaces of the four positioning plates (240) are connected with one surface of the table plate (110), the sliding positioning mechanism (300) comprises positioning columns (310) and auxiliary columns (340), the lower surfaces of the positioning columns (310) are connected with one surface of the table plate (110), the lower surfaces of the three auxiliary columns (340) are connected with one surface of the table plate (110), the clamping mechanism (400) comprises movable rods (410), first rotating columns (420) and a PCB (470), first through holes are formed in the four mounting clamping seats (130), one ends of the four first rotating columns (420) are respectively matched with the four first through holes in a rotating manner, the other ends of the four first rotating columns (420) are respectively connected with two surfaces of the two movable rods (410), the PCB (470) is respectively in sliding fit with the circumferential side surfaces of the positioning columns (310) and the three auxiliary columns (340), the testing machine mechanism (500) comprises sliding columns (510), and one surface of each sliding column (510) is connected with the circumferential side surface of the vertical rod (120).

2. The positioning device of the PCB board testing machine without positioning holes of claim 1, wherein: the four mounting clamping seats (130) are all mounted on one surface of the bedplate (110), and the lower surface of the upright rod (120) is connected with one surface of the bedplate (110).

3. The positioning device of the PCB board testing machine without positioning holes of claim 1, wherein: bottom positioning mechanism (200) still include locating piece (220) and spring (230), two spring (230) one end are connected with two locating plate (240) week side respectively, two spring (230) other ends are connected with two locating piece (220) week side respectively.

4. The positioning device of the PCB board testing machine without positioning holes of claim 1, wherein: the sliding positioning mechanism (300) further comprises a detection clamping belt (320) and a sliding block (330), the detection clamping belt (320) is installed on the peripheral side face of the positioning column (310), a sliding groove is formed in the positioning column (310), and the sliding block (330) is in sliding fit with the sliding groove.

5. The positioning device of the PCB board testing machine without positioning holes of claim 1, wherein: fixture (400) still includes second column spinner (430), connecting rod (440), spliced pole (450) and clamping (460), two movable rod (410) inside all are equipped with two second through-holes, four second column spinner (430) one end respectively with the rotatory cooperation of four second through-holes, four second column spinner (430) other ends respectively with connecting rod (440) two surface connection, spliced pole (450) set up between clamping (460) and connecting rod (440), two clamping (460) all are connected with PCB board (470) week side.

6. The positioning device of the PCB board testing machine without positioning holes of claim 1, wherein: the testing machine mechanism (500) further comprises a sliding rod (520), a fixed column (530) and a testing machine (540), one end of the sliding rod (520) is in sliding fit with the sliding column (510), the other end of the sliding rod (520) is connected with one surface of the fixed column (530), and the testing machine (540) is installed on one surface of the fixed column (530).