Auxiliary device for detecting viscosity of solder paste

By using a combination of an electromagnet, heating wire and a stirring rod in the solder paste viscosity detection device, the problem of inaccurate solder paste detection accuracy in low-temperature environments is solved, and uniform heating and high-precision detection of solder paste are achieved.

CN223180003UActive Publication Date: 2025-08-01KUNSHAN TVOR ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422041230.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-08-01
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The existing solder paste viscosity detection device is affected in a low-temperature environment, making it difficult to keep the temperature of the detection tube consistent with the solder paste.

Method used

A solder paste viscosity detection auxiliary device is designed, and a heating plate is quickly installed using an electromagnet and a magnetic suction block, and the detection tube and measuring cup are heated by combining the first and second heating wires and temperature sensors, and mixed and stirred through the stirring rod to make the solder paste heat evenly.

Benefits of technology

It improves the accuracy and uniformity of solder paste detection, ensuring the accuracy of detection in low-temperature environments.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223180003U_ABST
Patent Text Reader

Abstract

The utility model discloses a solder paste viscosity detection auxiliary device which comprises a solder paste viscosity detection device body, and a detection groove is formed in an inner cavity of the solder paste viscosity detection device body. Through the arrangement of the electromagnet and the magnetic attraction block, the heating plate can be conveniently and rapidly mounted and dismounted, through the arrangement of the first heating wire and the first temperature sensor, the detection pipe is heated in an electric heating mode, the first temperature sensor detects the temperature of the detection pipe in real time, the first heating wire can be closed after the temperature reaches a preset value, and the detection pipe is heated. According to the solder paste viscosity detection device, a detection measuring cup can be conveniently and quickly placed through a placement block and a placement groove, a detection measuring cup heating device can be quickly mounted on a solder paste viscosity detection device body through a mounting plate, a mounting insertion block and a fixed plate, and the solder paste viscosity detection device is convenient to use through a second heating wire, an electric push rod, a moving plate, a driving motor and a stirring rod. In the process that the solder paste is heated by the second heating wire, the solder paste can be uniformly heated in a mixing and stirring mode.
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Description

Technical Field

[0001] The utility model relates to the technical field of solder paste viscosity detection, and specifically, to an auxiliary device for detecting the viscosity of solder paste. Background Technique

[0002] As a very important welding material in the SMT process, solder paste undertakes the mechanical and electrical connection functions of electronic components and PCB boards. High-quality solder paste is a prerequisite for ensuring reliable welding. Therefore, strict supervision of the quality of solder paste is the first pass for checking the quality of electronic products. The quality supervision of solder paste is achieved through performance detection. Among them, viscosity is the most important index for printing performance and needs to be frequently measured during the production and use of solder paste. Due to the characteristics of solder paste, currently, the Malcom PCU series rotational viscometers are mainly used for measurement. When detecting the viscosity of solder paste, the temperature of the detection tube needs to be kept consistent with that of the solder paste to be detected to ensure the detection accuracy. The existing method is to heat the detection tube to the temperature of the solder paste. However, when detecting in winter or in a low-temperature environment, the low temperature of the solder paste will also affect the detection accuracy. For this reason, an auxiliary device for detecting the viscosity of solder paste is proposed to solve the above problems. Content of the Utility Model

[0003] (I) Technical Problems to be Solved

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide an auxiliary device for detecting the viscosity of solder paste, which has the advantage of auxiliary heating.

[0005] (II) Technical Solution

[0006] To achieve the above purpose, the utility model provides the following technical solution. The technical solution adopted by an auxiliary device for detecting the viscosity of solder paste is as follows: It includes the main body of the solder paste viscosity detection device. A detection groove is opened in the inner cavity of the main body of the solder paste viscosity detection device. A detection tube is arranged on the right side of the inner cavity of the main body of the solder paste viscosity detection device. A heating plate is fixedly connected to the top of the inner cavity of the detection groove. A first heating wire is fixedly connected to the top of the heating plate. A placement block is fixedly connected to the bottom of the inner cavity of the detection groove. A detection measuring cup is placed in the inner cavity of the placement block. A second heating wire is fixedly connected to the top of the placement block. An installation plate is fixedly connected to the top right side of the main body of the solder paste viscosity detection device. An installation through groove is opened in the inner cavity of the installation plate. An installation insert block is inserted into the inner cavity of the installation through groove. A fixing plate is fixedly connected to the right side of the installation insert block. An electric push rod is fixedly connected to the right side of the fixing plate. A moving plate is fixedly connected to the bottom of the electric push rod. A driving motor is fixedly connected to the left side of the top of the moving plate. An output end of the driving motor is fixedly connected to a stirring rod.

[0007] As a preferred solution, an electromagnet is fixedly connected to the top of the inner cavity of the detection groove. A magnetic attraction block is magnetically attracted to the bottom of the electromagnet, and the bottom of the magnetic attraction block is fixedly connected to the top of the heating plate.

[0008] As a preferred solution, a first temperature sensor is fixedly connected to the right side of the inner cavity of the heating plate, and the first heating wire is sleeved on the surface of the detection tube.

[0009] As a preferred solution, the heating plate is in an L shape, and a U-shaped through groove is opened on the left side of the bottom of the heating plate.

[0010] As a preferred solution, a placement groove adapted to the detection measuring cup is opened in the inner cavity of the placement block, and the second heating wire is sleeved on the outer surface of the detection measuring cup.

[0011] As a preferred solution, the bottom of the stirring rod extends into the inner cavity of the detection measuring cup. A second temperature sensor is fixedly connected to the bottom of the moving plate, and the bottom of the second temperature sensor extends into the inner cavity of the detection measuring cup.

[0012] As a preferred solution, a distance measuring sensor is fixedly connected to the right side of the bottom of the moving plate, and a limiting plate is fixedly connected to the top of the fixing plate.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the present utility model provides an auxiliary device for detecting the viscosity of solder paste, having the following beneficial effects.

[0015] 1. By providing the electromagnet and the magnetic attraction block, the heating plate can be conveniently and quickly installed and disassembled. By providing the first heating wire and the first temperature sensor, the detection tube is heated by an electric heating method, and the first temperature sensor real-time detects the temperature of the detection tube. After reaching the preset value, the first heating wire can be turned off.

[0016] 2. By providing the placement block and the placement groove, the detection measuring cup can be conveniently and quickly placed. By providing the mounting plate, the mounting insertion block and the fixing plate, the detection measuring cup heating device can be quickly installed on the solder paste viscosity detection device body. By providing the second heating wire, the electric push rod, the moving plate, the driving motor and the stirring rod, during the heating of the solder paste by the second heating wire, the solder paste can be uniformly heated by a mixing and stirring method, improving the detection accuracy in the later stage. Description of the drawings

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a cross-sectional view of the detection measuring cup of the present utility model;

[0019] Figure 3 Top view schematic diagram of the mounting plate and mounting plug of the present utility model;

[0020] Figure 4 For the present utility model Figure 1 Enlarged view of part A in it.

[0021] In the figure: 1. Solder paste viscosity detection device body; 2. Detection groove; 3. Detection tube; 4. Heating plate; 5. First heating wire; 6. Placing block; 7. Detection measuring cup; 8. Second heating wire; 9. Mounting plate; 10. Mounting plug; 11. Fixed plate; 12. Electric push rod; 13. Moving plate; 14. Driving motor; 15. Stirring rod; 16. First temperature sensor; 17. Second temperature sensor; 18. Distance measuring sensor; 19. Limiting plate. Specific embodiments

[0022] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] In the description of the present utility model, unless otherwise specified, "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 drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] The solder paste viscosity detection device body 1, detection groove 2, detection tube 3, heating plate 4, first heating wire 5, placement block 6, detection measuring cup 7, second heating wire 8, mounting plate 9, mounting plug 10, fixing plate 11, electric push rod 12, moving plate 13, drive motor 14, stirring rod 15, first temperature sensor 16, second temperature sensor 17, ranging sensor 18 and limiting plate 19 of the present application are all general standard parts or parts known to those skilled in the art, and their structures and principles can all be known by those skilled in the art through technical manuals or obtained through conventional experimental methods.

[0026] Embodiment 1:

[0027] Please refer to Figures 1-4 , in order to achieve the purpose of heating the detection tube 3 in this embodiment, the following technical solutions are provided, and specifically disclosed: including the solder paste viscosity detection device body 1, a detection groove 2 is opened in the inner cavity of the solder paste viscosity detection device body 1, a detection tube 3 is arranged on the right side of the inner cavity of the solder paste viscosity detection device body 1, a heating plate 4 is fixedly connected to the top of the inner cavity of the detection groove 2, a first heating wire 5 is fixedly connected to the top of the heating plate 4, an electromagnet is fixedly connected to the top of the inner cavity of the detection groove 2, a magnetic attraction block is magnetically attracted to the bottom of the electromagnet, and the bottom of the magnetic attraction block is fixedly connected to the top of the heating plate 4. A first temperature sensor 16 is fixedly connected to the right side of the inner cavity of the heating plate 4. The first heating wire 5 is sleeved on the surface of the detection tube 3. The heating plate 4 is in an L shape, and a U-shaped through groove is opened on the left side of the bottom of the heating plate 4. By providing the electromagnet and the magnetic attraction block, the heating plate 4 can be conveniently and quickly installed and disassembled. By providing the first heating wire 5 and the first temperature sensor 16, the detection tube 3 is heated by an electric heating method, and the first temperature sensor 16 detects the temperature of the detection tube 3 in real time, and the first heating wire 5 can be turned off after reaching the preset value.

[0028] Embodiment 2:

[0029] Please refer to Figures 1-4, in order to achieve the purpose of uniform heating of the solder paste, the following technical solutions are provided in this embodiment, and specifically disclosed: A placement block 6 is fixedly connected to the bottom of the inner cavity of the detection groove 2. A detection measuring cup 7 is placed in the inner cavity of the placement block 6. A second heating wire 8 is fixedly connected to the top of the placement block 6. An installation plate 9 is fixedly connected to the top right side of the solder paste viscosity detection device body 1. An installation through groove is opened in the inner cavity of the installation plate 9. An installation insert block 10 is inserted into the inner cavity of the installation through groove. A fixing plate 11 is fixedly connected to the right side of the installation insert block 10. An electric push rod 12 is fixedly connected to the right side of the fixing plate 11. A moving plate 13 is fixedly connected to the bottom of the electric push rod 12. A driving motor 14 is fixedly connected to the left side of the top of the moving plate 13. An output end of the driving motor 14 is fixedly connected to a stirring rod 15. A placement groove adapted to the detection measuring cup 7 is opened in the inner cavity of the placement block 6. The second heating wire 8 is sleeved on the outer surface of the detection measuring cup 7. The bottom of the stirring rod 15 extends into the inner cavity of the detection measuring cup 7. A second temperature sensor 17 is fixedly connected to the bottom of the moving plate 13. The bottom of the second temperature sensor 17 extends into the inner cavity of the detection measuring cup 7. A distance measuring sensor 18 is fixedly connected to the right side of the bottom of the moving plate 13. A limiting plate 19 is fixedly connected to the top of the fixing plate 11. By providing the placement block 6 and the placement groove, the detection measuring cup 7 can be placed conveniently and quickly. By providing the installation plate 9, the installation insert block 10 and the fixing plate 11, the heating device of the detection measuring cup 7 can be quickly installed on the solder paste viscosity detection device body 1. By providing the second heating wire 8, the electric push rod 12, the moving plate 13, the driving motor 14 and the stirring rod 15, during the process of heating the solder paste by the second heating wire 8, the solder paste can be evenly heated by mixing and stirring, improving the detection accuracy in the later stage.

[0030] The working principle of the utility model is as follows: Place the solder paste to be detected in the detection measuring cup 7, place the detection measuring cup 7 in the placement groove of the placement block 6, magnetically attract the heating plate 4 in the inner cavity of the detection groove 2, so that the detection tube 3 is located in the inner cavity of the first heating wire 5, then insert the installation plug 10 into the installation through groove of the installation plate 9 from top to bottom, and then the electric push rod 12 drives the moving plate 13 to move downward. At this time, the stirring rod 15 will insert downward into the inner cavity of the detection measuring cup 7. Operate on the control panel of the solder paste viscosity detection device body 1 to set the temperatures of the solder paste and the detection tube 3. The first heating wire 5 heats the detection tube 3, and the second heating wire 8 heats the detection measuring cup 7. The heat is transferred to the solder paste to heat the solder paste. The drive motor 14 drives the stirring rod 15 to rotate, and the stirring rod 15 continuously stirs the solder paste to make the solder paste evenly heated. The first temperature sensor 16 detects the temperature of the detection tube 3, and the second temperature sensor 17 detects the solder paste. After reaching the preset temperature, turn off the first heating wire 5 and the second heating wire 8. At this time, remove the heating plate 4 and the moving plate 13. Finally, turn on the solder paste viscosity detection device body 1, and the solder paste viscosity detection device body 1 drives the detection tube 3 to move downward into the detection measuring cup 7, and the detection tube 3 detects the viscosity of the solder paste.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. An auxiliary device for detecting the viscosity of solder paste, comprising a main body (1) of the solder paste viscosity detection device, characterized in that: The inner cavity of the solder paste viscosity detection device body (1) is provided with a detection groove (2). On the right side of the inner cavity of the solder paste viscosity detection device body (1), there is a detection tube (3). At the top of the inner cavity of the detection groove (2), there is a fixed heating plate (4). On the top of the heating plate (4), there is a fixed first heating wire (5). At the bottom of the inner cavity of the detection groove (2), there is a placed block (6). Inside the placed block (6), there is a placed detection measuring cup (7). On the top of the placed block (6), there is a fixed second heating wire (8). On the top right side of the solder paste viscosity detection device body (1), there is a fixed mounting plate (9). Inside the mounting plate (9), there is a mounting through groove. Inside the mounting through groove, there is inserted a mounting plug (10). On the right side of the mounting plug (10), there is a fixed fixing plate (11). On the right side of the fixing plate (11), there is a fixed electric push rod (12). At the bottom of the electric push rod (12), there is a fixed moving plate (13). On the left side of the top of the moving plate (13), there is a fixed driving motor (14). At the output end of the driving motor (14), there is a fixed stirring rod (15).

2. The auxiliary device for detecting the viscosity of solder paste according to claim 1, characterized in that: At the top of the inner cavity of the detection groove (2), there is a fixed electromagnet. At the bottom of the electromagnet, there is a magnetically attracted block, and the bottom of the magnetically attracted block is fixedly connected to the top of the heating plate (4).

3. An auxiliary device for detecting the viscosity of solder paste according to claim 1, characterized in that: On the right side of the inner cavity of the heating plate (4), there is a fixed first temperature sensor (16). The first heating wire (5) is sleeved on the surface of the detection tube (3).

4. An auxiliary device for detecting the viscosity of solder paste according to claim 1, characterized in that: The shape of the heating plate (4) is L-shaped, and on the left side of the bottom of the heating plate (4), there is a U-shaped through groove.

5. An auxiliary device for detecting the viscosity of solder paste according to claim 1, characterized in that: Inside the placed block (6), there is a placed groove adapted to the detection measuring cup (7). The second heating wire (8) is sleeved on the outer surface of the detection measuring cup (7).

6. The auxiliary device for detecting the viscosity of solder paste according to claim 1, wherein: The bottom of the stirring rod (15) extends into the inner cavity of the detection measuring cup (7). At the bottom of the moving plate (13), there is a fixed second temperature sensor (17), and the bottom of the second temperature sensor (17) extends into the inner cavity of the detection measuring cup (7).

7. An auxiliary device for detecting the viscosity of solder paste according to claim 1, characterized in that: On the right side of the bottom of the moving plate (13), there is a fixed distance measuring sensor (18). On the top of the fixing plate (11), there is a fixed limiting plate (19).