Solder paste thickness measuring instrument

Abstract

The utility model discloses a solder paste thickness measuring instrument which comprises a supporting plate, a mounting block, a telescopic piece, a threaded rod, a driving rod, a transmission assembly, a placing table, a mounting groove and a guide sleeve, when the thickness of solder paste is measured, the solder paste is placed on the placing table, the transmission assembly connected with the driving assembly is driven by the mounted driving assembly to operate, and the thickness of the solder paste is measured. The transmission assembly drives the threaded rod connected with the transmission assembly to rotate, the threaded rod rotates to drive the installation block installed at one end of the driving rod to move downwards under the action of threads and the limiting action of the transverse rod on one side, and the installation block moves downwards so that one end of the installation block can extend into the limiting groove. The bottom of the first measurer mounted on the mounting block is flush with the upper surface of the placement table, the mounted telescopic piece drives the guide block connected with the telescopic piece to move, and the guide block drives the second measurer to move, so that the second measurer moves to the upper surface of the solder paste. And the thickness of the solder paste can be measured through the distance difference between the two measuring devices, so that the measuring efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a measuring instrument, in particular to a solder paste thickness measuring instrument. Background Art

[0002] In the field of electronic manufacturing, surface mount technology (SMT) has been widely used, and the solder paste printing process is a very critical link in the entire production process, so the quality inspection of solder paste printing is very important. According to statistics, 70% of the poor quality in the SMT process comes from the solder paste printing link. However, the existing solder paste thickness measurement device has poor continuity in measuring the solder paste thickness on the circuit board, and the manual measurement efficiency is low, so it is necessary to design a solder paste thickness measuring instrument to solve this problem. Utility Model Content

[0003] The utility model aims to provide a solder paste thickness measuring instrument to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A solder paste thickness measuring instrument, comprising a support plate, a support rod is mounted on the support plate, a mounting plate is mounted on one end of the support rod away from the support plate, a placing table is mounted on the support plate, a connecting rod is mounted on one side of the placing table, a limit block is mounted on one end of the connecting rod away from the placing table, and a limit slot is mounted on the limit block;

[0006] A mounting block, on which a first measuring device is mounted, a mounting groove is provided on the mounting block, a guide block is slidably mounted in the mounting groove, and a second measuring device is mounted on the guide block;

[0007] A telescopic member, one end of which is connected to the mounting block, and the other end of which is connected to the side wall of the mounting groove;

[0008] A threaded rod, wherein the threaded rod is mounted on the support plate and is rotatably connected to the support plate, a threaded sleeve is connected to the threaded rod through a thread, a cross bar is mounted on one side of the threaded sleeve, a guide sleeve is mounted on the end of the cross bar away from the threaded sleeve, and the guide sleeve is mounted on the support rod;

[0009] Drive rod, one end of the drive rod is connected to the threaded sleeve, and the other end is connected to the mounting block

[0010] A drive assembly, wherein the drive assembly is mounted on a mounting plate;

[0011] A transmission assembly, one end of which is connected to the driving assembly, and the other end of which is connected to the threaded rod.

[0012] As a further solution of the utility model: the driving assembly includes an installation cavity, the installation cavity is opened on the installation plate, a driving member is installed on the installation plate, a driving shaft is installed at the output end of the driving member, the driving member is used to drive the driving shaft to rotate, and the driving shaft is rotatably connected to the installation cavity at one end away from the driving member.

[0013] As a further solution of the utility model: the transmission assembly includes a driven shaft, one end of which is rotatably connected to the mounting cavity, and the other end of which is connected to the threaded rod;

[0014] A connecting unit, one end of which is connected to the driving shaft.

[0015] As a further solution of the utility model: the driving component is a stepping motor or a servo motor.

[0016] As a further solution of the utility model: the telescopic member is an electric telescopic rod or an electric push rod.

[0017] Compared with the prior art, the utility model has the following beneficial effects: when measuring the thickness of solder paste, the solder paste is placed on the placement table, the driving member drives the driving shaft connected thereto to rotate, the driving shaft drives the driven shaft connected thereto to rotate through the connecting unit, the driven shaft drives the threaded rod connected thereto to rotate, the threaded rod rotates, and the threaded rod rotates, driving the mounting block installed at one end of the driving rod to move downward under the action of the thread and the limiting action of the cross bar on one side. The mounting block moves downward so that one end extends into the limiting groove, so that the bottom of the first measuring device installed on the mounting block is flush with the upper surface of the placement table, and the guide block connected thereto is driven to move by the installed telescopic member, and the guide block drives the second measuring device to move, so that the second measuring device moves to the upper surface of the solder paste, and then the thickness of the solder paste can be measured through the distance difference between the two measuring devices, thereby improving the measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a structural schematic diagram of a solder paste thickness measuring instrument.

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0020] Figure 3 It is a schematic diagram of the structure of the limit block.

[0021] In the figure: 2, support plate; 3, mounting plate; 4, driving member; 5, driving shaft; 6, connecting unit; 7, driven shaft; 8, threaded rod; 9, threaded sleeve; 10, guide sleeve; 11, support rod; 12, driving rod; 13, placement table; 14, mounting block; 15, first measuring device; 16, guide block; 17, second measuring device; 18, connecting rod; 19, limit block; 20, telescopic member. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 3 As an embodiment of the utility model, a solder paste thickness measuring instrument includes a support plate 2, a support rod 11 is installed on the support plate 2, a mounting plate 3 is installed on the end of the support rod 11 away from the support plate 2, a placement table 13 is installed on the support plate 2, a connecting rod 18 is installed on one side of the placement table 13, a limiting block 19 is installed on the end of the connecting rod 18 away from the placement table 13, and a limiting groove is installed on the limiting block 19;

[0024] A mounting block 14, on which a first measuring device 15 is mounted, a mounting groove is provided on the mounting block 14, a guide block 16 is slidably mounted in the mounting groove, and a second measuring device 17 is mounted on the guide block 16;

[0025] A telescopic member 20, one end of which is connected to the mounting block 14, and the other end of which is connected to the side wall of the mounting groove;

[0026] A threaded rod 8, wherein the threaded rod 8 is mounted on the support plate 2 and is rotatably connected to the support plate 2, a threaded sleeve 9 is threadedly connected to the threaded rod 8, a cross bar is mounted on one side of the threaded sleeve 9, a guide sleeve 10 is mounted on the end of the cross bar away from the threaded sleeve 9, and the guide sleeve 10 is mounted on the support rod 11;

[0027] A driving rod 12, one end of which is connected to the threaded sleeve 9, and the other end is connected to the mounting block 14

[0028] A drive assembly, wherein the drive assembly is mounted on a mounting plate 3;

[0029] A transmission assembly, one end of which is connected to the driving assembly, and the other end of which is connected to the threaded rod 8.

[0030] In this embodiment, when measuring the thickness of the solder paste, the solder paste is placed on the placement table 13, and the transmission component connected to it is driven to operate through the installed driving component, and the transmission component drives the threaded rod 8 connected to it to rotate. The threaded rod 8 rotates, and the mounting block 14 installed at one end of the driving rod 12 moves downward under the action of the thread and the limiting action of the cross bar on one side. The mounting block 14 moves downward so that one end extends into the limiting groove, so that the bottom of the first measuring device 15 installed on the mounting block 14 is flush with the upper surface of the placement table 13, and the guide block 16 connected to it is driven to move through the installed telescopic member 20, and the guide block 16 drives the second measuring device 17 to move, so that the second measuring device 17 moves to the upper surface of the solder paste, and then the thickness of the solder paste can be measured through the distance difference between the two measuring devices, thereby improving the measurement efficiency and enabling rapid measurement of solder pastes of different thicknesses.

[0031] As an embodiment of the utility model, the driving assembly includes an installation cavity, the installation cavity is opened on the installation plate 3, a driving member 4 is installed on the installation plate 3, a driving shaft 5 is installed at the output end of the driving member 4, the driving member 4 is used to drive the driving shaft 5 to rotate, and the driving shaft 5 is rotatably connected to the installation cavity at one end away from the driving member 4.

[0032] In this embodiment, the driving member 4 drives the driving shaft 5 connected thereto to rotate, and the rotation of the driving shaft 5 drives the threaded rod 8 connected thereto to rotate through the transmission assembly. The rotation of the threaded rod 8 drives the mounting block 14 installed at one end of the driving rod 12 to move downward under the action of the thread and the limiting action of the cross bar on one side. The mounting block 14 moves downward so that one end extends into the limiting groove, so that the bottom of the first measuring device 15 installed on the mounting block 14 is flush with the upper surface of the placement table 13.

[0033] Furthermore, the driving member 4 may be a stepping motor or a servo motor, etc., which will not be described in detail here.

[0034] As an embodiment of the utility model, the transmission assembly includes a driven shaft 7, one end of which is rotatably connected to the installation cavity, and the other end is connected to the threaded rod 8;

[0035] A connecting unit 6 , one end of which is connected to the driving shaft 5 .

[0036] In this embodiment, the driving shaft 5 drives the driven shaft 7 connected thereto to rotate through the connecting unit 6, and the rotation of the driven shaft 7 drives the threaded rod 8 connected thereto to rotate. The rotation of the threaded rod 8 drives the mounting block 14 installed at one end of the driving rod 12 to move downward under the action of the thread and the limiting action of the cross bar on one side. The mounting block 14 moves downward so that one end extends into the limiting groove, so that the bottom of the first measuring device 15 installed on the mounting block 14 is flush with the upper surface of the placement table 13, and the guide block 16 connected thereto is driven to move through the installed telescopic member 20, and the guide block 16 drives the second measuring device 17 to move, so that the second measuring device 17 moves to the upper surface of the solder paste, and then the thickness of the solder paste can be measured through the distance difference between the two measuring devices, thereby improving the measurement efficiency.

[0037] Furthermore, the connecting unit 6 may be a gear set or a pulley set, etc., which will not be described in detail herein.

[0038] As an embodiment of the present invention, the driving member 4 is a stepping motor or a servo motor.

[0039] In this embodiment, the driving member 4 is a stepper motor or a servo motor, preferably a stepper motor, which drives the driving shaft 5 to achieve forward and reverse rotation, thereby adjusting the position of the mounting block 14.

[0040] As an embodiment of the present invention, the telescopic member 20 is an electric telescopic rod or an electric push rod.

[0041] In this embodiment, the telescopic member 20 may be an electric telescopic rod or an electric push rod, preferably an electric telescopic rod, which drives the mounting block 14 to move in the mounting groove, thereby adjusting the position of the second measuring device 17.

[0042] The working principle of the utility model is: when measuring the thickness of the solder paste, the solder paste is placed on the placement table 13, the driving member 4 drives the driving shaft 5 connected thereto to rotate, the driving shaft 5 drives the driven shaft 7 connected thereto to rotate through the connecting unit 6, the driven shaft 7 drives the threaded rod 8 connected thereto to rotate, the threaded rod 8 rotates, and the mounting block 14 installed at one end of the driving rod 12 moves downward under the action of the thread and the limiting action of the cross bar on one side. The mounting block 14 moves downward so that one end extends into the limiting groove, so that the bottom of the first measuring device 15 installed on the mounting block 14 is flush with the upper surface of the placement table 13, and the guide block 16 connected thereto is driven to move through the installed telescopic member 20, and the guide block 16 drives the second measuring device 17 to move, so that the second measuring device 17 moves to the upper surface of the solder paste, and then the thickness of the solder paste can be measured through the distance difference between the two measuring devices, thereby improving the measurement efficiency.

[0043] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0044] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A solder paste thickness measuring instrument, comprising a support plate, characterized in that: A support rod is installed on the support plate, a mounting plate is installed on one end of the support rod away from the support plate, a placement table is installed on the support plate, a connecting rod is installed on one side of the placement table, a limit block is installed on one end of the connecting rod away from the placement table, and a limit slot is installed on the limit block; A mounting block, on which a first measuring device is mounted, a mounting groove is provided on the mounting block, a guide block is slidably mounted in the mounting groove, and a second measuring device is mounted on the guide block; A telescopic member, one end of which is connected to the mounting block, and the other end of which is connected to the side wall of the mounting groove; A threaded rod, wherein the threaded rod is mounted on the support plate and is rotatably connected to the support plate, a threaded sleeve is connected to the threaded rod through a thread, a cross bar is mounted on one side of the threaded sleeve, a guide sleeve is mounted on the end of the cross bar away from the threaded sleeve, and the guide sleeve is mounted on the support rod; A driving rod, one end of which is connected to the threaded sleeve, and the other end of which is connected to the mounting block; A drive assembly, wherein the drive assembly is mounted on a mounting plate; A transmission assembly, one end of which is connected to the driving assembly, and the other end of which is connected to the threaded rod.

2. A solder paste thickness measuring instrument according to claim 1, characterized in that: The driving assembly includes an installation cavity, the installation cavity is opened on the installation plate, a driving member is installed on the installation plate, a driving shaft is installed on the output end of the driving member, the driving member is used to drive the driving shaft to rotate, and the driving shaft is rotatably connected to the installation cavity at one end away from the driving member.

3. A solder paste thickness measuring instrument according to claim 2, characterized in that: The transmission assembly includes a driven shaft, one end of which is rotatably connected to the mounting cavity, and the other end of which is connected to the threaded rod; A connecting unit, one end of which is connected to the driving shaft.

4. A solder paste thickness measuring instrument according to claim 2, characterized in that: The driving member is a stepping motor or a servo motor.

5. The solder paste thickness measuring instrument according to claim 1, characterized in that: The telescopic member is an electric telescopic rod or an electric push rod.

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