CN216523769U

CN216523769U - PCB plug-in components stitch height measurement device

Info

Publication number: CN216523769U
Application number: CN202122591253.9U
Authority: CN
Inventors: 陈文童; 陈�田
Original assignee: Daxiang Industrial Technology Suzhou Co ltd
Current assignee: Daxiang Industrial Technology Suzhou Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-05-13
Anticipated expiration: 2031-10-27

Abstract

The utility model relates to a PCB plug-in unit stitch height measuring device, which comprises a base component, a clamping plate, a baffle and a detection component, wherein the base component comprises a base, four stand columns and two guide shafts; the four upright posts are respectively arranged at 4 vertexes of the base, and the two guide shafts are respectively connected between the two upright posts at the opposite sides of the base; the two guide shafts are parallel to each other; a detection assembly is arranged on the guide shaft in a sliding manner; the base is provided with a clamping plate and a baffle, and the baffle is arranged at one end of the clamping plate; the clamping plate comprises L-shaped parts which are mutually symmetrical, and the two L-shaped parts are movably connected with the base; the clamping plate comprises a first bottom plate and a second bottom plate, and side plates are arranged on the sides, far away from each other, of the first bottom plate and the second bottom plate; the opposite sides of the side plates are provided with clamping grooves. The pin heights on the PCB boards with different sizes are detected in a movable connection mode of the L-shaped parts and the base which are symmetrical to each other.

Description

PCB plug-in components stitch height measurement device

Technical Field

The utility model relates to the field of detection devices, in particular to a PCB plug-in pin height measuring device.

Background

The PCB is also called a printed circuit board, is an important electronic component, is a support body of an electronic component, and is a carrier for electrical connection of the electronic component. The phenomenon that the pins of components on the PCB are overlong exists during welding, and the overlong pins must be trimmed before the next procedure so as not to influence subsequent installation. In the prior art, the too high stitch is mostly identified by adopting a sliding block or laser scanning, but the sliding block easily collides the stitch askew and cannot mark the detected unqualified stitch, and the laser scanning cannot identify the overlong parallel stitches.

The patent numbers are: CN207487553U, patent name: the utility model provides a PCB board stitch height detection device, this patent comprises base subassembly, grip block, baffle and determine module, and above-mentioned problem has been solved to this patent, but is the same, and this patent also has can only detect the stitch height on the PCB board of fixed dimension, if need detect the stitch height on the PCB board of other sizes simultaneously in the testing process, then need change the grip block, and it is inconvenient to use, has increased the problem of staff's work load simultaneously.

In order to solve the problems in the above patent, the present invention provides a PCB card pin height measuring device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a PCB plug-in pin height measuring device, which solves the problem that the pin height on a PCB with a fixed size can only be detected in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a PCB plug-in unit stitch height measuring device comprises a base assembly, a clamping plate, a baffle and a detection assembly, wherein the base assembly comprises a base, four stand columns and two guide shafts; the four upright posts are respectively arranged at 4 vertexes of the base, and the two guide shafts are respectively connected between the two upright posts at the opposite sides of the base; the two guide shafts are parallel to each other; the guide shaft is provided with a detection assembly in a sliding manner; the base is provided with a clamping plate and a baffle plate, and the baffle plate is arranged at one end of the clamping plate;

the clamping plate comprises L-shaped parts which are symmetrical to each other, and the two L-shaped parts are movably connected with the base.

Furthermore, the clamping plate comprises a first bottom plate and a second bottom plate, and side plates are arranged on the sides, far away from each other, of the first bottom plate and the second bottom plate; clamping grooves are formed in the opposite sides of the side plates; the first bottom plate, the second bottom plate and the base are movably connected.

Furthermore, connecting blocks are arranged at the bottoms of the first bottom plate and the second bottom plate, and nuts are arranged at the bottoms of the connecting blocks; the interior of the base is of a hollow structure, and the top of the base is provided with a guide groove; a screw rod is arranged at the hollow part in the base, and threads at two ends of the screw rod are reversely arranged; the two nuts are respectively sleeved at the two ends of the screw rod; two ends of the screw rod are respectively rotatably connected with the base, and one end of the screw rod penetrates through the side wall of the base and extends to the outside of the base; and a handle is arranged at one end of the screw rod, which is positioned outside the base.

The other end of the screw rod can be rotationally connected with the side wall of the base.

Furthermore, two ends of the screw rod are respectively connected with the base through bearings.

Furthermore, the baffle comprises a first baffle and a second baffle, and the first baffle and the second baffle are respectively arranged at the same ends of the two side plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. the pin heights of the PCBs with different sizes are detected in a movable connection mode of the L-shaped parts and the base which are symmetrical to each other;

2. on the basis of the exclusive right, first bottom plate and second bottom plate can move towards opposite or opposite direction respectively through the rotation of screw rod, not only can adjust the distance between two curb plates in this motion process to satisfy and highly detect the stitch on the not unidimensional PCB board, it is more convenient still to make the distance between the board of both sides adjust, and efficiency is higher.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a prior art configuration;

FIG. 2 is a side view of the present invention without the first and second baffles installed;

FIG. 3 is a schematic view of the direction A-A in the present invention;

fig. 4 is a side view of the present invention with the first and second shutters installed.

In the figure: 1. a base assembly; 11. a base; 12. a column; 13. a guide shaft; 2. a clamping plate; 201. A first base plate; 202. a second base plate; 203. a nut; 204. a screw; 205. a handle; 206. connecting blocks; 207. a guide groove; 208. a side plate; 209. a card slot; 3. a baffle plate; 301. a first baffle plate; 302. A second baffle; 4. and a detection component.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme:

as shown in the figure, the first and second,

a PCB plug-in components stitch height measuring device, including base assembly 1, grip block 2, baffle 3 and detection assembly 4, the said base assembly 1 includes base 11, pillar stand 12 and guide shaft 13, and the quantity of the said pillar stand 12 is four, the quantity of the guide shaft 13 is two; the four upright columns 12 are respectively arranged at 4 vertexes of the base 11, and the two guide shafts 13 are respectively connected between the two upright columns 12 at the opposite sides of the base 11; the two guide shafts 13 are parallel to each other; the guide shaft 13 is provided with a detection assembly 4 in a sliding manner; the base 11 is provided with a clamping plate 2 and a baffle 3, and the baffle 3 is arranged at one end of the clamping plate 2;

the grip block 2 includes two parts that are symmetrical to each other, and is swing joint between two parts and the base 11, and two parts are on same straight line and base 11 swing joint, can be for sliding, also can be for any other structure that can realize the grip block 2's clamping function all in the scope of protection of this application.

Two parts of grip block 2 in this application are the L type, for best realization to the supporting role of PCB board, with two L types relative settings, the mutual activity setting between L type and base 11 simultaneously.

Further, the clamping plate 2 comprises a first bottom plate 201 and a second bottom plate 202, the first bottom plate 201 and the second bottom plate 202 are arranged on the top of the base 11 and are movably connected with the base 11, and side plates 208 are arranged on the sides, away from each other, of the first bottom plate 201 and the second bottom plate 202; the opposite sides of the side plates 208 are provided with clamping grooves 209, the side walls of the side plates 208 are recessed inwards, and the clamping grooves 209 are preferably perpendicular to the side walls of the side plates 208 at the recessed positions and are more stable when a PCB is placed (the PCB is parallel to the base 11 when placed at the clamping grooves 209); the first bottom plate 201 and the second bottom plate 202 are movably connected with the base 11.

Further, the bottom of each of the first bottom plate 201 and the second bottom plate 202 is provided with a connecting block 206, and the bottom of each connecting block 206 is provided with a nut 203; the interior of the base 11 is a hollow structure, the top of the base 11 is provided with a guide groove 207, the width of the guide groove 207 is smaller than the width of the first bottom plate 201 and the second bottom plate 202, so as to meet the requirement that the first bottom plate 201 and the second bottom plate 202 can move on the top of the base 11, and in order to minimize the resistance when the first bottom plate 201 and the second bottom plate 202 move on the base 11, a lubricant can be added to the tops of the first bottom plate 201, the second bottom plate 202 and the base 11, or a smooth material can be directly used; a screw 204 is arranged in the hollow part inside the base 11, threads at two ends of the screw 204 are arranged in opposite directions, and the two nuts 203 are sleeved on the threads at two ends of the screw 204 in opposite directions, so that the nuts 203 can move towards opposite directions or opposite directions in the process of rotating the screw 204; two ends of the screw 204 are respectively rotatably connected with the base 11, and one end of the screw 204 penetrates through the side wall of the base 11 and extends to the outside of the base 11; the end of the screw 204 far away from the base 11 is provided with a handle 205.

The other end of the screw 204 is rotatably connected with the side wall of the base 11.

Further, two ends of the screw 204 are respectively connected with the base 11 through bearings.

Further, the baffle 3 includes a first baffle 3013 and a second baffle 3023, and the first baffle 301 and the second baffle 302 are respectively disposed at the same end of the two side plates 208.

According to the structure, the specific working principle is as follows:

when the height of the pins on the PCB needs to be measured, firstly, the handle 205 is rotated, the handle 205 drives the screw 204 to rotate in the rotating process, and the two nuts 203 move towards opposite directions or opposite directions due to the reverse threads at the two ends of the screw 204 in the rotating process of the screw 204, and the handle 205 is stopped to rotate until the distance between the two clamping grooves 209 meets the size of the PCB; then, a PCB to be measured is placed on the clamping groove 209, then, the pin height on the PCB is measured by using the detection component 4, the detection component 4 slides on the guide shaft 13 in the measurement process, and pins which do not meet the requirement are marked.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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. A PCB plug-in components stitch height measuring device, including base subassembly (1), grip block (2), baffle (3) and detection assembly (4), the said base subassembly (1) includes the base (11), pillar stand (12) and guide shaft (13), and the quantity of the said pillar stand (12) is four, the quantity of the guide shaft (13) is two; the four upright posts (12) are respectively arranged at 4 vertexes of the base (11), and the two guide shafts (13) are respectively connected between the two upright posts (12) at the opposite sides of the base (11); the two guide shafts (13) are parallel to each other; the guide shaft (13) is provided with a detection assembly (4) in a sliding manner; the base (11) is provided with a clamping plate (2) and a baffle (3), and the baffle (3) is arranged at one end of the clamping plate (2);

the method is characterized in that: the clamping plate (2) comprises L-shaped parts which are symmetrical to each other, and the two L-shaped parts are movably connected with the base (11).

2. The PCB card pin height measuring device of claim 1, wherein: the clamping plate (2) comprises a first bottom plate (201) and a second bottom plate (202), and side plates (208) are arranged on the sides, far away from each other, of the first bottom plate (201) and the second bottom plate (202); clamping grooves (209) are formed in the opposite sides of the side plates (208); the first bottom plate (201) and the second bottom plate (202) are movably connected with the base (11).

3. The PCB card pin height measuring device of claim 2, wherein: the bottom parts of the first bottom plate (201) and the second bottom plate (202) are both provided with connecting blocks (206), and the bottom parts of the connecting blocks (206) are provided with nuts (203); the interior of the base (11) is of a hollow structure, and a guide groove (207) is formed in the top of the base (11); a screw rod (204) is arranged at the hollow part in the base (11), and threads at two ends of the screw rod (204) are reversely arranged; the two nuts (203) are respectively sleeved at two ends of the screw rod (204); two ends of the screw rod (204) are respectively rotatably connected with the base (11), and one end of the screw rod (204) penetrates through the side wall of the base (11) and extends to the outside of the base (11); and a handle (205) is arranged at one end of the screw rod (204) positioned outside the base (11).

4. A PCB card pin height measuring device according to claim 3, wherein: and two ends of the screw rod (204) are respectively connected with the base (11) through bearings.

5. The PCB card pin height measuring device of claim 4, wherein: the baffle (3) comprises a first baffle (301) and a second baffle (302), and the first baffle (301) and the second baffle (302) are respectively arranged at the same ends of the two side plates (208).