CN213165253U

CN213165253U - PCB drill point detects with examining test table structure

Info

Publication number: CN213165253U
Application number: CN202021310295.XU
Authority: CN
Inventors: 周树法
Original assignee: Kunshan Lite Nano Electronic Science & Technology Co ltd
Current assignee: Kunshan Lite Nano Electronic Science & Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-11
Anticipated expiration: 2030-07-07

Abstract

A detection table structure for PCB drill point detection comprises a detection placing table and a detection clamping structure, wherein the detection clamping structure is arranged on the side edge of the detection placing table; the detection clamping structure comprises a fixed seat, a drill point clamping structure, a first fixed bearing seat, a second fixed bearing seat, a coupler, a motor fixing plate and a motor, wherein the drill point clamping structure is fixed on the fixed seat through the first fixed bearing seat and the second fixed bearing seat, and the shaft end of the drill point clamping structure is connected with the motor shaft end fixed on the motor fixing plate through the coupler. The PCB drill point to be detected is placed on the detection placing table and fixed through the detection clamping structure. During detection, a motor in the detection clamping structure drives the drill point clamping structure to drive the PCB drill point to rotate at a constant speed through the coupler, so that detection work is facilitated.

Description

PCB drill point detects with examining test table structure

Technical Field

The utility model relates to a PCB drill point production field especially relates to a PCB drill point detects with examining test table structure.

Background

When carrying out electrically conductive through-hole's drilling to PCB multilayer circuit board, because its aperture size is less and the machining dimension is comparatively accurate, can choose for use to bore hole processing to it usually for use. However, because the diameter of the drill bit at the top of the PCB drill point is small and the strength is poor, when the drill bit is subjected to machining or vacuum nano coating and other procedures, the drill bit is easy to bend and deform or break under stress, so that the service life of the PCB drill point is shortened, and the drilling quality of a PCB multilayer circuit board is greatly influenced. Therefore, before the produced PCB drill point is put into use, a series of detection work of the external dimension and the precision is required.

The current PCB drill point detection work is to manually grab the handle at the tail end of the PCB drill point and drive the PCB drill point to rotate around the axis by twisting fingers, so that the detection work of a top drill bit of the PCB drill point is completed. The detection mode has great defects that 1) manual grabbing and rotating operation is carried out, and the detection efficiency is not high; 2) in the detection process, the PCB drill point is easy to fall off due to errors, so that the defective rate is increased; 3) when the PCB drill point is detected, the rotation speed is not uniform, and the phenomenon of false detection or missing detection is easy to occur, so that the defective rate or loss is increased.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a PCB drill point detects with examining test table structure has solved the problem that exists when the PCB drill point detects.

The technical scheme is as follows: the utility model provides a detection table structure for PCB drill point detection, which comprises a detection placing table and a detection clamping structure, wherein the detection clamping structure is arranged at the side edge of the detection placing table; the detection clamping structure comprises a fixed seat, a drill point clamping structure, a first fixed bearing seat, a second fixed bearing seat, a coupler, a motor fixing plate and a motor, wherein the drill point clamping structure is fixed on the fixed seat through the first fixed bearing seat and the second fixed bearing seat, and the shaft end of the drill point clamping structure is connected with the motor shaft end fixed on the motor fixing plate through the coupler. The PCB drill point to be detected is placed on the detection placing table and fixed through the detection clamping structure. During detection, a motor in the detection clamping structure drives the drill point clamping structure to drive the PCB drill point to rotate at a constant speed through the coupler, so that detection work is facilitated.

Furthermore, the fixing seat and the detection placing table are connected through a conical positioning column. The positioning accuracy is improved due to the conical arrangement, so that the placement accuracy of the PCB drill point is improved during detection, and the detection quality is improved.

Furthermore, the drill point clamping structure comprises a clamping head, a locking structure and a rotating shaft, wherein the locking structure and the rotating shaft are respectively arranged at two ends of the clamping head. The locking structure locks the drill point at the clamping head, and the rotating shaft drives the drill point clamping structure to rotate under the driving of the motor, so that the PCB drill point is driven to rotate at a certain speed, and the top drill bit is subjected to rotation detection.

Furthermore, the clamping head comprises a spline section, a thread section, clamping jaws and clamping springs, the spline section is arranged at one end of the thread section, the clamping jaws are three groups in total, the clamping jaws are arranged at the other end, far away from the spline section, of the thread section by taking the center of the thread section as an axis and are in a circumferential array, and the clamping springs are three groups in total and are respectively arranged between the clamping jaws and the clamping jaws. The rotation axis carries out radial positioning through the spline section, and locking structure rotates to being close to or keeping away from the clamping jaw side along the screw thread section to fix or loosen the PCB drill point, clamping spring has improved the tight dynamics of clamp.

Further, the locking structure is arranged in a conical body. The distance between the clamping jaws is adjusted through the change of the cross section of the locking structure, so that the clamping and the loosening of the PCB drill point are completed.

Furthermore, the detection placing table end face is provided with a first PCB drill point placing groove and a second PCB drill point placing groove, the first PCB drill point placing groove and the second PCB drill point placing groove are vertically arranged on the detection placing table end face, and the groove diameter of the first PCB drill point placing groove is larger than that of the second PCB drill point placing groove. According to the diameter of the PCB drill point, the PCB drill point is placed in the first PCB drill point placing groove or the second PCB drill point placing groove, and the PCB drill point is moved to a drill point clamping structure of the detection clamping structure along the groove to be fixed, so that the PCB drill point is conveniently and quickly fixed; after the detection is finished, the drill point clamping structure is loosened, the detected PCB drill point falls into the first PCB drill point placing groove or the second PCB drill point placing groove, and the detected PCB drill point moves to one end away from the drill point clamping structure along the groove to perform blanking. The detection device is suitable for detecting and fixing PCB drill pins with different diameters, is simple to operate and is convenient to feed and discharge.

Furthermore, the detection placing table end face is provided with a PCB drill point placing hole, and the PCB drill point placing hole is arranged at the position, on the detection placing table, where the first PCB drill point placing groove and the second PCB drill point placing groove are crossed. And vertically placing the PCB drill point into the PCB drill point placing hole, so as to detect the top of the PCB drill point.

Further, the detection placing table is provided with four fixing platforms, the four fixing platforms are arranged in an array mode by taking the center of the detection placing table as an axis, and the detection placing table is located under the end portion of the first PCB drill point placing groove or the second PCB drill point placing groove. And moving the detection clamping structure to any end position of the corresponding first PCB drill point placing groove or second PCB drill point placing groove for fixing aiming at the detection of PCB drill points with different diameters.

Furthermore, a conical positioning hole, a first threaded hole and a second threaded hole are formed in the fixing platform, and the first threaded hole and the second threaded hole are respectively formed in two sides of the conical positioning hole. Toper locating hole is used with the cooperation of the toper reference column of detecting on placing the platform to play the effect of accurate location, first screw hole and second screw hole then play the fixed action.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: 1) the PCB drill point is automatically rotated at a constant speed, so that detection personnel can concentrate on the attention to perform detection work, the detection efficiency is improved, the phenomenon of false detection or missing detection is greatly reduced, and the detection quality is improved; 2) the PCB drill point is rapidly clamped and loosened, so that the working efficiency is greatly improved, and the PCB drill point is fixed or loosened along the placing groove, so that the error risk is reduced, and the loss phenomenon caused by human is reduced; 3) the method is suitable for detecting the PCB drill points with different diameters and has wide applicability.

Drawings

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

FIG. 2 is a side view of the mounting bracket;

FIG. 3 is a perspective view of a drill pin clamping arrangement;

FIG. 4 is a perspective view of the clamping head;

FIG. 5 is a perspective view of the detection placement table;

fig. 6 is a front view of the detection placement table.

In the figure: the detection placing table comprises a detection placing table 1, a first PCB drill point placing groove 11, a second PCB drill point placing groove 12, a PCB drill point placing hole 13, a fixing platform 14, a tapered positioning hole 1411, a first threaded hole 1412, a second threaded hole 1413, a detection clamping structure 2, a fixing seat 21, a tapered positioning column 211, a drill point clamping structure 22, a clamping head 221, a spline section 2211, a threaded section 2212, a clamping jaw 2213, a clamping spring 2214, a locking structure 222, a rotating shaft 223, a first fixing bearing seat 23, a second fixing bearing seat 24, a coupler 25, a motor fixing plate 26 and a motor 27.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting 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", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

Example one

As shown in fig. 1, the perspective view of the present invention includes a detecting placing table 1 and a detecting clamping structure 2, wherein the detecting clamping structure 2 is disposed at a side of the detecting placing table 1; the detection clamping structure 2 comprises a fixed seat 21, a drill point clamping structure 22, a first fixed bearing seat 23, a second fixed bearing seat 24, a coupler 25, a motor fixing plate 26 and a motor 27, wherein the drill point clamping structure 22 is fixed on the fixed seat 21 through the first fixed bearing seat 23 and the second fixed bearing seat 24, and the shaft end of the drill point clamping structure 22 is connected with the shaft end of the motor 27 fixed on the motor fixing plate 26 through the coupler 25.

As shown in fig. 2, a side view of the fixing base 21 is provided with a conical positioning post 211 at the connection end with the detecting placing table 1.

Fig. 3 is a perspective view of the drill clamping structure 22, which includes a clamping head 221, a locking structure 222 and a rotating shaft 223, wherein the locking structure 222 and the rotating shaft 223 are respectively disposed at two ends of the clamping head 221.

As shown in fig. 4, the clamping head 221 is a perspective view, and includes a spline section 2211, a thread section 2212, clamping jaws 2213 and clamping springs 2214, the spline section 2211 is disposed at one end of the thread section 2212, the clamping jaws 2213 are three groups, and are circumferentially arranged at the other end of the thread section 2212 away from the spline section 2211 by taking the center of the thread section 2212 as an axis, and the clamping springs 2214 are three groups, which are respectively disposed between the clamping jaws 2213 and the clamping jaws 2213.

The locking structure 222 is a conical arrangement.

As shown in fig. 5 and 6, a perspective view and a front view of the detection placement platform 1 are respectively provided, and end surfaces thereof are provided with a first PCB drill point placement groove 11 and a second PCB drill point placement groove 12, the first PCB drill point placement groove 11 and the second PCB drill point placement groove 12 are vertically arranged on the end surface of the detection placement platform 1, and a groove diameter of the first PCB drill point placement groove 11 is larger than a groove diameter of the second PCB drill point placement groove 12.

The detection placing table 1 is provided with a PCB drill point placing hole 13 on the end face, and the PCB drill point placing hole 13 is arranged on the detection placing table 1 and located at the intersection position of the first PCB drill point placing groove 11 and the second PCB drill point placing groove 12.

The detection placing table 1 is provided with four fixing platforms 14, and the four fixing platforms 14 are arranged in an array mode by taking the center of the detection placing table 1 as an axis and are located under the end portion of the first PCB drill point placing groove 11 or the second PCB drill point placing groove 12.

The fixing platform 14 is provided with a tapered positioning hole 1411, a first threaded hole 1412 and a second threaded hole 1413, and the first threaded hole 1412 and the second threaded hole 1413 are respectively arranged on two sides of the tapered positioning hole 1411.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a PCB drill point detects with examining test table structure which characterized in that: the device comprises a detection placing table (1) and a detection clamping structure (2), wherein the detection clamping structure (2) is arranged on the side edge of the detection placing table (1); the detection clamping structure (2) comprises a fixed seat (21), a drill point clamping structure (22), a first fixed bearing seat (23), a second fixed bearing seat (24), a coupler (25), a motor fixing plate (26) and a motor (27), the drill point clamping structure (22) is fixed on the fixed seat (21) through the first fixed bearing seat (23) and the second fixed bearing seat (24), and the shaft end of the drill point clamping structure (22) is connected with the shaft end of the motor (27) fixed on the motor fixing plate (26) through the coupler (25).

2. The PCB drill point detection test table structure as defined in claim 1, wherein: the connecting end of the fixed seat (21) and the detection placing table (1) is provided with a conical positioning column (211).

3. The PCB drill point detection test table structure as defined in claim 1, wherein: the drill point clamping structure (22) comprises a clamping head (221), a locking structure (222) and a rotating shaft (223), wherein the locking structure (222) and the rotating shaft (223) are respectively arranged at two ends of the clamping head (221).

4. The PCB drill point detection test table structure as defined in claim 3, wherein: press from both sides tight head (221) including spline section (2211), screw thread section (2212), clamping jaw (2213) and clamping spring (2214), spline section (2211) sets up in screw thread section (2212) one end, the total three groups of clamping jaw (2213) to screw thread section (2212) center is the other end that the circumference array set up in screw thread section (2212) kept away from spline section (2211) as the axle center, clamping spring (2214) total three groups set up respectively between clamping jaw (2213) and clamping jaw (2213).

5. The PCB drill point detection test table structure as defined in claim 3, wherein: the locking structure (222) is arranged in a conical body.

6. The PCB drill point detection test table structure as defined in claim 1, wherein: the detection placing table is characterized in that a first PCB drill point placing groove (11) and a second PCB drill point placing groove (12) are arranged on the end face of the detection placing table (1), the first PCB drill point placing groove (11) and the second PCB drill point placing groove (12) are vertically arranged on the end face of the detection placing table (1), and the groove diameter of the first PCB drill point placing groove (11) is larger than that of the second PCB drill point placing groove (12).

7. The PCB drill point detection test table structure as defined in claim 6, wherein: the detection placing table is characterized in that a PCB drill point placing hole (13) is formed in the end face of the detection placing table (1), and the PCB drill point placing hole (13) is formed in the position, on the detection placing table (1), of the position where a first PCB drill point placing groove (11) and a second PCB drill point placing groove (12) are crossed.

8. The PCB drill point detection test table structure as recited in claim 7, wherein: the detection placing table (1) is provided with four fixing platforms (14), and the four fixing platforms (14) are arranged in an array mode by taking the center of the detection placing table (1) as an axis and located under the end portion of the first PCB drill point placing groove (11) or the second PCB drill point placing groove (12).

9. The PCB drill point detection test table structure as recited in claim 8, wherein: the fixing platform (14) is provided with a conical positioning hole (1411), a first threaded hole (1412) and a second threaded hole (1413), and the first threaded hole (1412) and the second threaded hole (1413) are respectively arranged on two sides of the conical positioning hole (1411).