PCB pin height detection device

Abstract

The utility model relates to the technical field of PCB production, and disclose a kind of PIN foot assembly height detection device of PCB, including mechanical identification mechanism, and the upper end of mechanical identification mechanism is provided with height detection mechanism, and mechanical identification mechanism includes a base, and the top front side middle position of base is fixedly connected with mechanical scale, recess is set in the middle position of base rear end, and the upper end of the inner side wall of recess is fixedly connected with light shield plate.The utility model increases laser measuring mechanism by cooperation mechanical caliper type detection structure, caliper is combined with laser range finder, laser range finder can carry out the automatic reading and record of ranging data, and it is shown through its upper end display, it is used with mechanical caliper, improves measurement accuracy and efficiency, and the display of its laser range finder is provided with data port in one end, it can be connected computer by data line, and computer can analyze and process measurement data, realize the automatic statistics and report generation.

Description

Technical Field

[0001] This utility model relates to the field of PCB manufacturing technology, specifically to a PCB pin assembly height detection device. Background Technology

[0002] Currently, during PCB production, it is necessary to inspect the pin assembly height of the produced PCBs, which requires a PCB pin assembly height inspection device, including a mechanical caliper inspection device. This device uses an adjustable mechanical caliper, with the measuring jaws of the caliper in contact with the PCB pins, and the pin height is determined by reading the scale on the caliper.

[0003] Existing PCB pin assembly height detection devices still have the following problems when in use: when using mechanical caliper-type detection devices, the detection efficiency is extremely low, the manual reading error is large, it is difficult to guarantee high-precision measurement, and the workload of detecting a large number of pins on PCBs is huge, which is not suitable for the needs of modern large-scale production. Utility Model Content

[0004] (a) Technical problems to be solved.

[0005] To address the shortcomings of existing technologies, this invention provides a PCB pin assembly height detection device, which solves the problems mentioned in the background technology.

[0006] (ii) Technical solution.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a PCB pin assembly height detection device, comprising a mechanical marking mechanism, a height detection mechanism at the upper end of the mechanical marking mechanism, the mechanical marking mechanism comprising a base, a mechanical ruler fixedly connected to the middle position of the front side of the top of the base, a groove formed at the middle position of the rear end of the base, a light shield fixedly connected to the upper end of the inner sidewall of the groove, a lower bracket fixedly connected to the front end of the base, the height detection mechanism comprising a first sliding sleeve slidably connected to the outside of the mechanical ruler, a through groove formed at the middle of the front end of the first sliding sleeve, a marking positioning strip fixedly connected between the middle positions of the two side walls of the through groove, the upper bracket and the lower bracket being arranged symmetrically, and a groove for the marking positioning strip to be exposed at the middle of the rear end of the upper bracket.

[0008] As a further embodiment of this utility model: the front end of the first sliding sleeve is fixedly connected to an upper bracket, the rear end of the first sliding sleeve is open in the middle, and a connecting bracket is fixedly connected to each end of the opening at the rear end of the first sliding sleeve. The same laser rangefinder is fixedly installed between the two connecting brackets. A laser ranging probe is provided at the bottom of the laser rangefinder, and the laser ranging probe is located directly above the light shield. A display is fixedly installed at the top of the laser rangefinder, and a data port is provided at one end of the display.

[0009] As a further improvement of this utility model: a first threaded hole is provided at the center of the other end of the first sliding sleeve, and a first locking screw is threaded into the first threaded hole.

[0010] As a further embodiment of this utility model: the base is provided with clamping mechanisms at both ends, the clamping mechanisms include slide rails fixedly connected to both ends of the base in a symmetrical manner, a second slide sleeve is slidably connected to the outer side of the slide rail, a clamping seat is fixedly connected to the front end of the second slide sleeve, the two clamping seats are symmetrically arranged, a second threaded hole is opened at the center of the top end of the second slide sleeve, and a second locking screw is threaded into the second threaded hole.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. In this utility model, a laser measuring mechanism is added in conjunction with a mechanical caliper-type detection structure, combining the caliper with a laser rangefinder. The laser rangefinder can automatically read and record distance measurement data and display it on its upper display. When used in conjunction with the mechanical caliper, it improves measurement accuracy and efficiency. The display of the laser rangefinder is equipped with a data port, which can be connected to a computer via a data cable. The computer can analyze and process the measurement data, realizing automated statistics and report generation.

[0013] 2. In this utility model, an adjustable PCB clamping mechanism is provided. Each end of the base is fixedly connected to a slide rail, and a second slide sleeve is slidably installed on the outside of the slide rail. A clamping seat is provided at the front end of the second slide sleeve. The PCB to be tested can be clamped by the two clamping seats, and the second slide sleeve can be locked and fixed by the second locking screw configured on the second slide sleeve. It can be adapted to PCBs of different widths, which is more convenient. Attached Figure Description

[0014] Figure 1 The overall three-dimensional structure of this utility model Figure 1 ;

[0015] Figure 2 The overall three-dimensional structure of this utility model Figure 2 ;

[0016] Figure 3This is a perspective view of the clamping mechanism and mechanical marking mechanism of this utility model;

[0017] Figure 4 This is a perspective view of the height detection mechanism of this utility model.

[0018] In the diagram: 1. Mechanical marking mechanism; 2. Height detection mechanism; 3. Clamping mechanism; 11. Base; 12. Mechanical scale; 13. Sunshade plate; 14. Lower bracket; 21. First sliding sleeve; 22. First threaded hole; 23. First locking screw; 24. Through groove; 25. Marking positioning strip; 26. Connecting frame; 27. Laser rangefinder; 28. Display; 29. ​​Upper bracket; 31. Slide rail; 32. Second sliding sleeve; 33. Second threaded hole; 34. Second locking screw; 35. Clamping seat. Detailed Implementation

[0019] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0020] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figures 1-4In this embodiment of the present invention, a PCB pin assembly height detection device includes a mechanical marking mechanism 1, a height detection mechanism 2 at the upper end of the mechanical marking mechanism 1, a base 11, a mechanical ruler 12 fixedly connected to the middle position of the front side of the top of the base 11, a groove opened at the middle position of the rear end of the base 11, a light shield 13 fixedly connected to the upper end of the inner side wall of the groove, and a lower card seat 14 fixedly connected to the front end of the base 11. The height detection mechanism 2 includes a first sliding sleeve 21 slidably connected to the outside of the mechanical ruler 12, a through groove 24 opened at the middle of the front end of the first sliding sleeve 21, and a marking positioning strip 25 fixedly connected between the middle positions of the two side walls of the through groove 24. An upper card seat 29 and a lower card seat 14 are arranged symmetrically. A groove is opened at the middle of the rear end of the upper card seat 29 to expose the marking positioning strip 25. The upper card seat 29 can be moved by the adjustable first sliding sleeve 21, at which time the lower card seat 14 contacts the PCB board, and the upper card seat 29 is aligned with the PCB pin assembly height. The height of the PIN pin is determined by the marking and positioning strip 25 in conjunction with the scale on the mechanical ruler 12, thus completing the mechanical manual inspection and measurement work.

[0023] The front end of the first sliding sleeve 21 is fixedly connected to the upper bracket 29. The rear end of the first sliding sleeve 21 is open in the middle, and a connecting bracket 26 is fixedly connected to each end of the opening at the rear end of the first sliding sleeve 21. The same laser rangefinder 27 is fixedly installed between the two connecting brackets 26. A laser ranging probe is provided at the bottom of the laser rangefinder 27, and the laser ranging probe is located directly above the light shield 13. A display 28 is fixedly installed at the top of the laser rangefinder 27. One end of the display 28 is provided with a data port. The whole system, together with the mechanical caliper-type detection structure, adds a laser measurement mechanism. After the caliper and the laser rangefinder 27 are combined, the lower bracket 14 is brought into contact with the PCB board, and the upper bracket 29 is brought into contact with the PIN of the PCB, the laser rangefinder 27 can perform distance measurement work in conjunction with its light shield 13, that is, PIN The height measurement of the feet is automatically read and recorded, and displayed on the upper display 28. When used in conjunction with mechanical calipers, it improves measurement accuracy and efficiency. The display 28 of the laser rangefinder 27 has a data port on one end, which can be connected to a computer via a data cable. The computer can analyze and process the measurement data, and realize automated statistics and report generation.

[0024] A first threaded hole 22 is provided at the center of the other end of the first sliding sleeve 21. A first locking screw 23 is connected to the internal thread of the first threaded hole 22. After the lower card holder 14 contacts the PCB board and the upper card holder 29 contacts the PIN of the PCB, the first locking screw 23 can be tightened to limit the first sliding sleeve 21, that is, to limit the upper card holder 29 relative to the lower card holder 14.

[0025] The base 11 is provided with clamping mechanisms 3 at both ends. The clamping mechanism 3 includes slide rails 31 that are symmetrically fixedly connected to both ends of the base 11. A second slide sleeve 32 is slidably connected to the outside of the slide rail 31. A clamping seat 35 is fixedly connected to the front end of the second slide sleeve 32. The two clamping seats 35 are symmetrically arranged. A second threaded hole 33 is opened at the center of the top of the second slide sleeve 32. A second locking screw 34 is threaded into the second threaded hole 33. The entire adjustable PCB clamping mechanism 3 is provided. Each end of the base 11 is fixedly connected to a slide rail 31. A second slide sleeve 32 is slidably installed on the outside of the slide rail 31. A clamping seat 35 is provided at the front end of the second slide sleeve 32. The PCB to be tested can be clamped by the two clamping seats 35. The second slide sleeve 32 is locked and fixed by the second locking screw 34 configured on the second slide sleeve 32. It can adapt to PCBs of different widths and is more convenient.

[0026] The working principle of this utility model is as follows: The upper card holder 29 can be moved using the adjustable first sliding sleeve 21. At this time, the lower card holder 14 contacts the PCB board, and the upper card holder 29 contacts the PIN pin of the PCB. The height of the PIN pin is determined by the marking positioning strip 25 in conjunction with the scale on the mechanical ruler 12, completing the mechanical manual detection and measurement work. The overall mechanical caliper-type detection structure is combined with a laser measurement mechanism. The caliper is combined with the laser rangefinder 27. After the lower card holder 14 contacts the PCB board and the upper card holder 29 contacts the PIN pin of the PCB, the laser rangefinder 27 can perform distance measurement work in conjunction with its light shield 13, that is, the height measurement work of the PIN pin. The distance measurement data is automatically read and recorded and displayed on its upper display 28. When used in conjunction with the mechanical caliper, the measurement accuracy and efficiency are improved. One end of the display 28 of the laser rangefinder 27 is provided with a data port, which can be connected to a computer through a data cable. The computer can analyze and process the measurement data to realize automated statistics and report generation.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A PCB pin assembly height detection device, comprising a mechanical marking mechanism (1), wherein a height detection mechanism (2) is provided at the upper end of the mechanical marking mechanism (1). Its features are: The mechanical marking mechanism (1) includes a base (11), a mechanical ruler (12) is fixedly connected to the middle position of the front side of the top of the base (11), a groove is provided at the middle position of the rear end of the base (11), a light shield (13) is fixedly connected to the upper end of the inner side wall of the groove, and a lower card seat (14) is fixedly connected to the front end of the base (11). The height detection mechanism (2) includes a first sliding sleeve (21) slidably connected to the outside of the mechanical scale (12). A through groove (24) is provided in the middle of the front end of the first sliding sleeve (21). A positioning strip (25) is fixedly connected between the middle positions of the two side walls of the through groove (24). An upper card seat (29) is fixedly connected to the front end of the first sliding sleeve (21). The first sliding sleeve (21) has an opening at the middle of its rear end, and a connecting bracket (26) is fixedly connected to each end of the opening at the rear end of the first sliding sleeve (21). The same laser rangefinder (27) is fixedly installed between the two connecting brackets (26).

2. The PCB pin assembly height detection device according to claim 1, characterized in that: The laser rangefinder (27) is equipped with a laser ranging probe at its bottom end, and the laser ranging probe is located directly above the light shield (13).

3. The PCB pin assembly height detection device according to claim 1, characterized in that: The laser rangefinder (27) has a display (28) fixedly installed on its top, and a data port is provided on one end of the display (28).

4. The PCB pin assembly height detection device according to claim 1, characterized in that: The upper card holder (29) and the lower card holder (14) are arranged symmetrically. The upper card holder (29) has a groove in the middle of its rear end for the identification positioning strip (25) to be exposed.

5. The PCB pin assembly height detection device according to claim 1, characterized in that: The first sliding sleeve (21) has a first threaded hole (22) at the center of the other end, and a first locking screw (23) is connected to the first threaded hole (22) by an internal thread.

6. The PCB pin assembly height detection device according to claim 1, characterized in that: The base (11) is provided with clamping mechanisms (3) at both ends. The clamping mechanism (3) includes slide rails (31) that are symmetrically fixedly connected to both ends of the base (11). A second slide sleeve (32) is slidably connected to the outside of the slide rail (31). A clamping seat (35) is fixedly connected to the front end of the second slide sleeve (32).

7. The PCB pin assembly height detection device according to claim 6, characterized in that: The two clamping seats (35) are arranged symmetrically. A second threaded hole (33) is provided at the center of the top of the second sliding sleeve (32). A second locking screw (34) is connected to the internal thread of the second threaded hole (33).

Images