Liquid soldering paste filling device

Abstract

The utility model relates to the technical field of soldering paste production, in particular to a liquid soldering paste filling device. According to the technical scheme, the device comprises a charging barrel, a collecting hopper, a filling pipe and a rotating shaft, the filling pipe is inserted into the outer wall of the lower end of the charging barrel, a clamping sleeve is installed at the lower end of the outer wall of one side of the filling pipe, a connecting frame is rotatably installed in the clamping sleeve, the collecting hopper is installed on the outer wall of one side of the connecting frame, and a dust suction cover is inserted into the outer wall of the lower end of the collecting hopper. And connecting pipes are installed on the outer walls of the two ends of the dust suction hood in an inserted mode, a rotating shaft is rotationally installed on one side of the inner wall of the dust suction hood, and by arranging the motor body, the collecting hopper and the scraper, the effect of cleaning the filling pipes is achieved, residual material adhesion is avoided, the residual material collecting completeness is guaranteed, and the residual material waste amount is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of solder paste production, in particular to a filling device for liquid solder paste. Background Art

[0002] The role of solder paste is to promote the welding process between electronic components and PCB boards, ensure the fixation of electronic components and the reliability of electrical connections. Solder paste, also known as tin paste, is a gray paste-like substance mainly composed of metal powder (usually tin alloy) and flux, and the solder paste filling device is a special device for automatic metering and filling of solder paste. This device can ensure that the solder paste maintains its characteristics and quality during the filling process.

[0003] Although the prior art has many benefits during use, it still has the following problems: it lacks a cleaning structure for the filling head, which results in some residual material remaining at the lower end of the filling head during the replacement of the barrel after the solder paste is filled into a barrel. The residual material will drip and cause pollution to the outer wall of the barrel. Utility Model Content

[0004] The purpose of the utility model is to provide a filling device for liquid solder paste to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a filling device for liquid solder paste, comprising a barrel, a collecting hopper, a filling tube and a rotating shaft, the outer wall of the lower end of the barrel is plugged and installed with a filling tube, a ferrule is installed at the lower end of the outer wall of one side of the filling tube, a connecting frame is rotatably installed inside the ferrule, a collecting hopper is installed on the outer wall of one side of the connecting frame, a dust hood is plugged and installed on the outer wall of the lower end of the collecting hopper, connecting tubes are plugged and installed on the outer walls at both ends of the dust hood, and a rotating shaft is rotatably installed on one side of the inner wall of the dust hood.

[0006] When using a filling device for liquid solder paste in the technical solution, the material flows out through the feed pipe and the filling pipe, thereby filling the barrel body. The filling pipe stops filling, and the motor body drives the connecting frame to rotate in a circle, so that the collecting bucket is located at the lower end of the filling pipe, and the external vacuum cleaner vacuums the inside of the dust hood through the connecting pipe, so that the residual material inside the collecting bucket is collected in a centralized manner, and the air flow drives the impeller to rotate in a circle, driving the support frame and the scraper to rotate, respectively scraping and cleaning the residual material on the outer wall of the lower end of the filling pipe and the inner wall of the collecting bucket.

[0007] Preferably, a feed pipe is inserted and installed on one side of the outer wall of the upper end of the barrel, and the feed pipe and the filling pipe are both connected to the inside of the barrel. The material enters the barrel through the feed pipe, the barrel is filled with material, and the material inside the barrel is discharged through the filling pipe.

[0008] The connecting frame passes through the outer wall of one end of the ferrule and is provided with a motor body, the motor body is connected to the outer wall of the ferrule, and the motor body drives the connecting frame to rotate in a circle to adjust the use position of the collecting bucket.

[0009] One side of the inner wall of the collecting hopper is designed in a conical shape, the collecting hopper is located at the lower end of the filling pipe, and the collecting hopper is connected to the inside of the dust hood. The material in the collecting hopper can flow into the inside of the dust hood.

[0010] The outer wall of the rotating shaft is provided with an impeller, the impeller is located inside the dust hood, and the size of the impeller is adapted to the size of the inner wall of the dust hood. The airflow inside the dust hood can drive the impeller and the rotating shaft to rotate in a circle.

[0011] The outer wall of the upper end of the rotating shaft is equipped with a support frame, and a scraper is fixed on the outer wall of the support frame, and the scraper is in contact with the outer wall of the lower end of the filling tube and the inner wall of the collecting bucket respectively. The rotating shaft drives the support frame and the scraper to rotate, thereby scraping and cleaning the outer wall of the lower end of the filling tube and the inner wall of the collecting bucket.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model achieves the effect of cleaning the filling tube by arranging the motor body, the collecting bucket and the scraper, the material flows out through the feed tube and the filling tube, thereby realizing the filling of the barrel body, the filling tube stops filling, the motor body drives the connecting frame to rotate in a circle, so that the collecting bucket is located at the lower end of the filling tube, the collecting bucket achieves the purpose of collecting the residual material in the filling tube, and the external vacuum cleaner vacuums the inside of the dust cover through the connecting tube, so that the residual material inside the collecting bucket is collected in a centralized manner, the airflow drives the impeller to rotate in a circle, drives the support frame and the scraper to rotate, and respectively scrapes and cleans the residual material on the outer wall of the lower end of the filling tube and the inner wall of the collecting bucket, avoids the adhesion of the residual material, ensures the completeness of the collection of the residual material, and reduces the waste of residual material. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the appearance of the barrel structure of the utility model;

[0014] Figure 2 It is a partial enlarged schematic diagram of the filling tube structure of the utility model;

[0015] Figure 3 It is a cross-sectional schematic diagram of the collecting bucket structure of the utility model;

[0016] Figure 4 It is a partially enlarged schematic diagram of the rotating shaft structure of the utility model.

[0017] In the figure: 1. barrel; 11. feed pipe; 12. filling pipe; 13. ferrule; 14. connecting frame; 15. motor body; 2. collecting bucket; 21. dust hood; 22. connecting pipe; 23. rotating shaft; 24. impeller; 25. supporting frame; 26. scraper. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-Figure 4 , the utility model provides two embodiments:

[0020] Embodiment 1: A filling device for liquid solder paste comprises a barrel 1, a collecting hopper 2, a filling tube 12 and a rotating shaft 23, the filling tube 12 is plugged into and installed on the outer wall of the lower end of the barrel 1, a ferrule 13 is installed on the lower end of the outer wall of one side of the filling tube 12, a connecting frame 14 is rotatably installed inside the ferrule 13, a collecting bucket 2 is installed on the outer wall of one side of the connecting frame 14, a dust hood 21 is plugged into and installed on the outer wall of the lower end of the collecting hopper 2, connecting tubes 22 are plugged into and installed on the outer walls of both ends of the dust hood 21, the two connecting tubes 22 are respectively connected to a vacuum cleaner and a water pipe, the vacuum cleaner is used to collect materials inside the dust hood 21 and the collecting hopper 2, and cleaning liquid can enter the dust hood 21 and the collecting hopper 2 through the water pipe for cleaning, and sewage is discharged through the water pipe, and a rotating shaft 23 is rotatably installed on one side of the inner wall of the dust hood 21.

[0021] A feed pipe 11 is inserted and installed on one side of the outer wall of the upper end of the barrel 1, and the feed pipe 11 and the filling pipe 12 are both connected to the inside of the barrel 1. The material enters the barrel 1 through the feed pipe 11, fills the barrel 1 with the material, and the material in the barrel 1 is discharged through the filling pipe 12, and the material flows out through the filling pipe 12, thereby realizing the filling of the barrel body.

[0022] Embodiment 2: A filling device for liquid solder paste comprises a barrel 1, a collecting hopper 2, a filling tube 12 and a rotating shaft 23, the filling tube 12 is plugged into and installed on the outer wall of the lower end of the barrel 1, a ferrule 13 is installed on the lower end of the outer wall of one side of the filling tube 12, a connecting frame 14 is rotatably installed inside the ferrule 13, a collecting hopper 2 is installed on the outer wall of one side of the connecting frame 14, a dust hood 21 is plugged into and installed on the outer wall of the lower end of the collecting hopper 2, connecting tubes 22 are plugged into and installed on the outer walls of both ends of the dust hood 21, and a rotating shaft 23 is rotatably installed on one side of the inner wall of the dust hood 21.

[0023] A feed pipe 11 is inserted and installed on one side of the outer wall of the upper end of the barrel 1, and the feed pipe 11 and the filling pipe 12 are both connected to the inside of the barrel 1. The material enters the barrel 1 through the feed pipe 11, fills the inside of the barrel 1 with material, and the material inside the barrel 1 is discharged through the filling pipe 12.

[0024] The connecting frame 14 passes through the outer wall of one end of the ferrule 13 and is provided with a motor body 15. The filling device of the utility model also needs to provide a motor body 15 to enable it to work normally, and as is well known to those skilled in the art, the provision of the motor body 15 is commonplace, and it all belongs to conventional means or common knowledge, and will not be repeated here. Those skilled in the art can make any selection according to their needs or convenience, and the motor body 15 is connected to the outer wall of the ferrule 13. The motor body 15 drives the connecting frame 14 to rotate in a circle to adjust the use position of the collecting bucket 2.

[0025] One side of the inner wall of the collecting hopper 2 is designed in a conical shape. The collecting hopper 2 is located at the lower end of the filling pipe 12, and the collecting hopper 2 is connected to the inside of the dust hood 21. The material inside the collecting hopper 2 can flow into the inside of the dust hood 21.

[0026] An impeller 24 is mounted on the outer wall of the rotating shaft 23. The impeller 24 is located inside the dust cover 21, and the size of the impeller 24 matches the size of the inner wall of the dust cover 21. The airflow inside the dust cover 21 can drive the impeller 24 and the rotating shaft 23 to rotate in a circle.

[0027] A support frame 25 is installed on the outer wall of the upper end of the rotating shaft 23, and a scraper 26 is fixed on the outer wall of the support frame 25. The scraper 26 contacts the outer wall of the lower end of the filling tube 12 and the inner wall of the collecting bucket 2 respectively. The rotating shaft 23 drives the support frame 25 and the scraper 26 to rotate, thereby scraping and cleaning the outer wall of the lower end of the filling tube 12 and the inner wall of the collecting bucket 2. The material flows out through the feeding pipe 11 and the filling tube 12, thereby realizing the filling of the barrel body. The filling tube 12 stops filling, and the motor body 15 drives the connecting frame 14 to rotate in a circle, so that the collecting bucket 2 is located at the lower end of the filling tube 12. The collecting bucket 2 achieves the purpose of collecting the residual material in the filling tube 12, and the external vacuum cleaner vacuums the inside of the dust cover 21 through the connecting pipe 22, so that the residual material inside the collecting bucket 2 is collected in a centralized manner. The airflow drives the impeller 24 to rotate in a circle, driving the support frame 25 and the scraper 26 to rotate, respectively scraping and cleaning the residual material on the outer wall of the lower end of the filling tube 12 and the inner wall of the collecting bucket 2, to avoid the adhesion of the residual material, ensure the completeness of the collection of the residual material, and reduce the waste of residual material.

[0028] 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.

Claims

1. A filling device for liquid solder paste, comprising a barrel (1), a collecting hopper (2), a filling tube (12) and a rotating shaft (23), characterized in that: A filling tube (12) is plugged and installed on the outer wall of the lower end of the barrel (1), a ferrule (13) is installed on the lower end of the outer wall of one side of the filling tube (12), a connecting frame (14) is rotatably installed inside the ferrule (13), a collecting bucket (2) is installed on the outer wall of one side of the connecting frame (14), a dust hood (21) is plugged and installed on the outer wall of the lower end of the collecting bucket (2), connecting tubes (22) are plugged and installed on the outer walls of both ends of the dust hood (21), and a rotating shaft (23) is rotatably installed on one side of the inner wall of the dust hood (21).

2. A liquid solder paste filling device according to claim 1, characterized in that: A feeding pipe (11) is inserted and installed on one side of the outer wall of the upper end of the barrel (1), and the feeding pipe (11) and the filling pipe (12) are both connected to the inside of the barrel (1).

3. The liquid solder paste filling device according to claim 1, characterized in that: The connecting frame (14) passes through the outer wall of one end of the ferrule (13) and is provided with a motor body (15), and the motor body (15) is connected to the outer wall of the ferrule (13).

4. The liquid solder paste filling device according to claim 1, characterized in that: One side of the inner wall of the collecting hopper (2) is designed in a conical shape. The collecting hopper (2) is located at the lower end of the filling tube (12). The collecting hopper (2) is connected to the inside of the dust hood (21).

5. The liquid solder paste filling device according to claim 1, characterized in that: An impeller (24) is installed on the outer wall of the rotating shaft (23); the impeller (24) is located inside the dust hood (21); and the size of the impeller (24) is matched with the size of the inner wall of the dust hood (21).

6. The liquid solder paste filling device according to claim 1, characterized in that: A support frame (25) is installed on the outer wall of the upper end of the rotating shaft (23), and a scraper (26) is fixed on the outer wall of the support frame (25). The scraper (26) is in contact with the outer wall of the lower end of the filling tube (12) and the inner wall of the collecting bucket (2) respectively.

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