Soldering paste temperature returning device with stirring structure

Abstract

The utility model discloses a soldering paste temperature returning device with a stirring structure, which comprises a base, a stirring tank is arranged above the base, a plurality of supporting columns are connected between the lower end of the stirring tank and the upper end of the base, the outer side wall of the stirring tank is coated with a water bath assembly, a stirring assembly is arranged inside the stirring tank, and the stirring assembly is connected with the supporting columns. A cover plate is arranged at the upper end of the stirring tank, a motor is arranged at the upper end of the cover plate, an output shaft of the motor penetrates through the cover plate and is connected with the stirring assembly, a discharging valve is fixedly connected to the lower end of the stirring tank, and a lifting assembly used for lifting the cover plate is arranged on the outer side of the base. According to the utility model, high-efficiency temperature returning and stirring of the soldering paste are realized, local overheating and residue are effectively avoided, the quality and the welding performance of the soldering paste are ensured, and the production efficiency and the operation safety are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of solder paste reheating, in particular to a solder paste reheating device with a stirring structure. Background Art

[0002] During low-temperature storage or transportation, solder paste may experience uneven distribution of the flux and tin powder within it due to temperature differences. This uneven distribution can affect solder paste printing and soldering performance. Therefore, before using the solder paste, remove it from the low-temperature environment, allow it to warm to room temperature, and stir it to evenly distribute the flux and tin powder within.

[0003] The existing publication number is CN211248681U and is named as a solder paste reheating device with a stirring structure, comprising an insulating shell, a connecting pipe and a fixed frame, a rotating machine is provided on the insulating shell, and a fixed shaft is installed under the rotating machine, the fixed shaft is provided with a first circular gear, and the first circular gear is connected to the second circular gear, the second circular gear is fixed on the connecting pipe, and the connecting pipe is connected to a delivery pipe, the connecting pipe is provided with fan blades, and the fan blades are fixed in the fixed frame, a nozzle is installed under the connecting pipe, and the nozzle is arranged in the fixed frame. The solder paste reheating device with a stirring structure is provided with a nozzle, and under the action of the fixed shaft, the first circular gear can drive the second circular gear to rotate, which can drive the fan blades to blow the warm air inside the insulating shell towards the solder paste sprayed from the nozzle, which can effectively improve the reheating efficiency of the solder paste and increase the efficiency of the device. Although this patent solves the problems of slow reheating efficiency and lack of stirring function in traditional methods, the stirring tank cannot scrape off the residual solder paste on the inner wall, which will affect the quality of the subsequent reheating solder paste. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a solder paste temperature recovery device with a stirring structure.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A solder paste reheating device with a stirring structure includes a base, a stirring tank is provided above the base, a plurality of support columns are connected between the lower end of the stirring tank and the upper end of the base, a water bath assembly is covered on the outer wall of the stirring tank, a stirring assembly is provided inside the stirring tank, a cover is provided at the upper end of the stirring tank, a motor is provided at the upper end of the cover, the output shaft of the motor passes through the cover and is connected to the stirring assembly, a discharge valve is fixedly connected to the lower end of the stirring tank, and a lifting assembly for lifting the cover is provided on the outside of the base.

[0007] As a further improvement of the present invention, the water bath assembly includes a water heating frame covering the outer wall of the stirring tank, and a controller is fixedly connected to the outer wall of the water heating frame.

[0008] As a further improvement of the present invention, the stirring assembly includes a rotating rod rotatably connected to the lower end of the cover plate, the upper end of the rotating rod is fixedly connected to the output shaft of the motor, and a plurality of stirring rods are fixedly connected circumferentially on the side wall of the rotating rod, and a plurality of stirring rods are sequentially passed through the plurality of stirring rods, and a scraper with the same curvature as the inner wall of the stirring tank is fixedly connected at one end of the plurality of stirring rods away from the rotating rod.

[0009] As a further improvement of the present invention, the lifting assembly includes a hydraulic press fixedly connected to both sides of the base, the telescopic ends of the two hydraulic presses are fixedly connected to the same fixed plate, the lower end of the fixed plate is fixedly connected to two fixed columns, and the ends of the two fixed columns away from the fixed plate are fixedly connected to the upper end of the cover plate.

[0010] As a further improvement of the present invention, the number of the stirring rods is four, and each of the stirring rods is penetrated by three stirring rods.

[0011] As a further improvement of the present invention, the number of the support columns is four, and the support columns are cylindrical structures.

[0012] Beneficial effects of the utility model:

[0013] By setting up a water bath assembly and indirectly transmitting heat through the water bath, it is possible to ensure that the temperature of the solder paste rises evenly during the reheating process, avoiding local overheating or sintering, thereby protecting the physical and chemical properties of the solder paste and ensuring its stable performance and welding quality in the subsequent soldering process.

[0014] By setting up a stirring assembly, a lifting assembly, and a motor, the fixed plate is lifted by starting the hydraulic press, and the cover plate and the stirring assembly are taken out through the fixed column. Then, the solid solder paste is placed in the stirring tank. After the solder paste is heated up, the driving motor is used to drive the rotating rod to rotate, and then the multiple stirring rods are driven to rotate. The rotation of the multiple stirring rods drives the rotation of the multiple scrapers, thereby scraping out the residue on the inner wall of the stirring tank, which can avoid affecting the quality of the next batch of heated solder paste.

[0015] The utility model realizes efficient temperature recovery and stirring of the solder paste, effectively avoids local overheating and residue, ensures the quality and welding performance of the solder paste, and improves production efficiency and operation safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a solder paste temperature recovery device with a stirring structure proposed by the present invention;

[0017] Figure 2 This is a structural schematic diagram of the connections between a stirring component, a stirring tank, and a discharge valve of a solder paste temperature recovery device with a stirring structure proposed by the present invention.

[0018] In the figure: 1 base, 2 hydraulic press, 3 fixed plate, 4 fixed column, 5 motor, 6 support column, 7 water heating frame, 8 controller, 9 stirring tank, 10 cover plate, 11 discharge valve, 12 rotating rod, 13 stirring rod, 14 stirring rod, 15 scraper. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Figure 1-Figure 2 , a solder paste reheating device with a stirring structure, comprising a base 1, a stirring tank 9 is provided above the base 1, a plurality of support columns 6 are connected between the lower end of the stirring tank 9 and the upper end of the base 1, the number of the support columns 6 is four, and the support columns 6 are cylindrical structures, the outer wall of the stirring tank 9 is covered with a water bath assembly, the water bath assembly includes a hydrothermal frame 7 covered and arranged on the outer wall of the stirring tank 9, the hydrothermal frame 7 is used to supply stable and gentle heat to the stirring tank 9, a controller 8 is fixedly connected to the outer wall of the hydrothermal frame 7, a stirring assembly is provided inside the stirring tank 9, a cover plate 10 is provided at the upper end of the stirring tank 9, a motor 5 is provided at the upper end of the cover plate 10, the output shaft of the motor 5 passes through the cover plate 10 and is connected to the stirring assembly, and the stirring assembly includes a rotating rod 1 rotatably connected to the lower end of the cover plate 10 2. The upper end of the rotating rod 12 is fixedly connected to the output shaft of the motor 5. A plurality of stirring rods 13 are fixedly connected to the side wall of the rotating rod 12 in the circumferential direction. A plurality of stirring rods 14 are sequentially penetrated on the plurality of stirring rods 13. The number of the plurality of stirring rods 13 is four, and three stirring rods 14 are penetrated on each stirring rod 13. A scraper 15 with the same curvature as the inner wall of the stirring tank 9 is fixedly connected at one end of the plurality of stirring rods 13 away from the rotating rod 12. The driving motor 5 can drive the rotating rod 12 to rotate, and then drive the plurality of stirring rods 13 to rotate. The rotation of the plurality of stirring rods 13 drives the plurality of scrapers 15 to rotate, thereby scraping off the residue on the inner wall of the stirring tank 9. The lower end of the stirring tank 9 is fixedly connected to a discharge valve 11, and the outer side of the base 1 is provided with a lifting component for lifting the cover plate 10.

[0021] The lifting assembly includes a hydraulic press 2 fixedly connected to both sides of the base 1. The telescopic ends of the two hydraulic presses 2 are fixedly connected to the same fixed plate 3. The lower end of the fixed plate 3 is fixedly connected to two fixed columns 4. The ends of the two fixed columns 4 away from the fixed plate 3 are fixedly connected to the upper end of the cover plate 10. Start the hydraulic press 2 to lift the fixed plate 3, and then take out the cover plate 10 and the stirring assembly through the fixed columns 4.

[0022] When the present invention is used, the worker first starts the hydraulic press 2 to lift the fixed plate 3, and then takes out the cover plate 10 and the stirring assembly through the fixed column 4, and then puts the solid solder paste into the stirring tank 9, and then starts the controller 8 to make the hydrothermal frame 7 start heating. The indirect heat transfer through the water bath can ensure that the temperature of the solder paste rises evenly during the warming process. After the solder paste is warmed up, the driving motor 5 drives the rotating rod 12 to rotate, and then drives the multiple stirring rods 13 to rotate. The rotation of the multiple stirring rods 13 drives the multiple scrapers 15 to rotate, thereby scraping out the residue on the inner wall of the stirring tank 9. After mixing, the discharge valve 11 is opened to take out the solder paste.

[0023] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A solder paste reheating device with a stirring structure, comprising a base (1), characterized in that: A stirring tank (9) is provided above the base (1), a plurality of support columns (6) are connected between the lower end of the stirring tank (9) and the upper end of the base (1), a water bath assembly is covered on the outer wall of the stirring tank (9), a stirring assembly is provided inside the stirring tank (9), a cover plate (10) is provided at the upper end of the stirring tank (9), a motor (5) is provided at the upper end of the cover plate (10), an output shaft of the motor (5) passes through the cover plate (10) and is connected to the stirring assembly, a discharge valve (11) is fixedly connected to the lower end of the stirring tank (9), and a lifting assembly for lifting the cover plate (10) is provided on the outer side of the base (1).

2. The solder paste reheating device with a stirring structure according to claim 1, characterized in that: The water bath assembly comprises a water heating frame (7) covering the outer wall of the stirring tank (9), and a controller (8) is fixedly connected to the outer wall of the water heating frame (7).

3. The solder paste reheating device with a stirring structure according to claim 1, characterized in that: The stirring assembly comprises a rotating rod (12) rotatably connected to the lower end of the cover plate (10), the upper end of the rotating rod (12) being fixedly connected to the output shaft of the motor (5), a plurality of stirring rods (13) being fixedly connected circumferentially to the side wall of the rotating rod (12), a plurality of stirring rods (14) being sequentially passed through each of the plurality of stirring rods (13), and a scraper (15) having the same curvature as the inner wall of the stirring tank (9) being fixedly connected to one end of the plurality of stirring rods (13) away from the rotating rod (12).

4. The solder paste reheating device with a stirring structure according to claim 1, characterized in that: The lifting assembly includes a hydraulic press (2) fixedly connected to both sides of the base (1), the telescopic ends of the two hydraulic presses (2) are fixedly connected to the same fixed plate (3), the lower end of the fixed plate (3) is fixedly connected to two fixed columns (4), and the ends of the two fixed columns (4) away from the fixed plate (3) are fixedly connected to the upper end of the cover plate (10).

5. The solder paste reheating device with a stirring structure according to claim 3, characterized in that: There are four stirring rods (13), and each stirring rod (13) is penetrated by three stirring bars (14).

6. The solder paste reheating device with a stirring structure according to claim 1, characterized in that: The number of the support columns (6) is four, and the support columns (6) are cylindrical structures.

Images