Soldering flux liquid level height keeping structure

Abstract

The utility model discloses a soldering flux liquid level height keeping structure which comprises a soldering flux furnace used for storing soldering flux, a liquid supplementing device used for automatically supplementing the soldering flux is arranged beside the soldering flux furnace, and the bottom of the soldering flux furnace is communicated with the liquid supplementing device. A liquid collecting tank used for collecting scaling powder is further arranged on the side of the scaling powder furnace, a liquid overflowing tank which is located on the periphery of a furnace opening and used for collecting overflowing liquid is arranged on the top of the scaling powder furnace, and the bottom of the liquid overflowing tank is connected to the liquid collecting tank. The soldering flux is continuously supplemented into the soldering flux furnace by adopting the liquid supplementing device, and the soldering flux overflowing from the liquid overflowing tank of the soldering flux furnace is collected by the liquid collecting tank, so that the liquid level height of the soldering flux furnace is always kept consistent, a part can be completely stained with the soldering flux every time, incomplete staining of the soldering flux caused by consumption of the soldering flux is avoided, and the service life of the soldering flux furnace is prolonged. Therefore, the soldering flux supply effect is greatly improved.

Description

Technical field:

[0001] The utility model relates to the technical field of welding, in particular to a soldering flux liquid level maintaining structure. Background technology:

[0002] Flux is widely used in the field of electronic manufacturing in automated production, especially in the production and assembly of printed circuit boards (PCBs), playing a vital role. Its main function is to remove oxides and impurities on the soldering surface, improve the fluidity of the solder, and ensure the reliability of soldering and good electrical contact.

[0003] At present, in the process of automated production, the flux is usually attached to the surface of the parts by spot dipping or dipping. For example, a flux dipping device with a Chinese patent authorization announcement number of CN 216325717 U is used to replace the traditional manual flux dipping to improve the efficiency of flux dipping. For automated production equipment or automated production lines, the same method is used. The parts are placed in the flux storage for dipping by a manipulator or other cutting mechanism. However, due to the high efficiency of automated production, the flux is consumed quickly. Therefore, in order not to affect the effect of flux dipping, it is necessary to ensure that the liquid level of the flux storage remains unchanged. There are two traditional solutions: one is to replenish it regularly by manual labor, but this will not only increase the labor force, but also the liquid level will still be adjusted, and there is a risk of incomplete dipping; the other is to gradually increase the height of the storage, but this is likely to cause the storage to be too high to affect other mechanisms, especially to interfere with the motion mechanism, and it is necessary to add a lifting mechanism acting on the storage, resulting in increased costs and affecting the overall mechanism layout.

[0004] In view of this, the inventor proposes the following technical solution. Utility model content:

[0005] The utility model aims to overcome the shortcomings of the prior art and provide a soldering flux liquid level maintaining structure.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: the flux liquid level maintaining structure comprises: a flux furnace for storing flux, a liquid replenishing device for automatically replenishing flux is arranged on the side of the flux furnace, and the bottom of the flux furnace is connected to the liquid replenishing device; a liquid collecting tank for collecting flux is also arranged on the side of the flux furnace, and an overflow tank located outside the furnace mouth and used for collecting overflowed liquid is arranged on the top of the flux furnace, and the bottom of the overflow tank is connected to the liquid collecting tank.

[0007] Furthermore, in the above technical solution, the liquid replenishing device includes a storage cup, a liquid replenishing pipe arranged between the storage cup and the flux furnace, and a controller arranged on the liquid replenishing pipe and used to adjust the flow rate, wherein the height of the storage cup is higher than the height of the flux furnace.

[0008] Furthermore, in the above technical solution, the controller is a size regulating valve that is slidably mounted on the liquid infusion pipeline and can control the liquid flow rate.

[0009] Furthermore, in the above technical solution, the controller includes an adjustment seat slidably mounted on the infusion pipe and a dial wheel installed on the adjustment seat and capable of squeezing or loosening the infusion pipe by turning the dial wheel, and the dial wheel controls the flow rate of the liquid by squeezing and loosening the infusion pipe.

[0010] Furthermore, in the above technical solution, a vertical pole or a rack for supporting the storage cup is provided on the side of the flux furnace, and the storage cup is mounted on the vertical pole or the rack by a clamp.

[0011] Furthermore, in the above technical solution, a drainage hole is provided at one end of the overflow tank, and a drainage pipe is provided between the drainage hole and the liquid collecting tank.

[0012] Furthermore, in the above technical solution, the two sides of the flux furnace are fixedly supported by a first mounting plate and a second mounting plate respectively, wherein a baffle covering the drain hole is bent at the top of the second mounting plate.

[0013] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art: the utility model adopts a liquid replenishing device to continuously replenish the flux into the flux furnace, and the liquid collecting tank collects the flux overflowing from the overflow tank of the flux furnace, so that the liquid level of the flux furnace is always consistent, ensuring that the parts can be completely coated with flux every time, and there will be no incomplete coating due to flux consumption, thereby greatly improving the flux supply effect. Secondly, the replenishing position of the liquid replenishing device is set at the bottom of the flux furnace, so that the flux is replenished into the flux furnace in an influx manner, and the overflow tank set on the outer periphery of the top of the flux furnace is used to collect the flux. This can not only prevent the flux from overflowing to other places, but also ensure that the flux is in a flowing state to avoid the solidification of the flux. Description of the drawings:

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a stereoscopic diagram of the flux furnace in the utility model. Specific implementation method:

[0016] The utility model is further described below in conjunction with specific embodiments and drawings.

[0017] See Figure 1 and Figure 2 As shown, a flux liquid level maintaining structure includes a flux furnace 1 for storing flux, a liquid replenishing device 2 for automatically replenishing flux is arranged beside the flux furnace 1, and the bottom of the flux furnace 1 is connected to the liquid replenishing device 2; a liquid collecting tank 3 for collecting flux is also arranged beside the flux furnace 1, and an overflow tank 4 located at the periphery of the furnace mouth and used to collect overflowed liquid is arranged on the top of the flux furnace 1, and the bottom of the overflow tank 4 is connected to the liquid collecting tank 3. The liquid replenishing device 2 is used to continuously replenish the flux into the flux furnace 1, and the liquid collecting tank 3 collects the flux overflowing from the overflow tank 3 of the flux furnace 1, so that the liquid level of the flux furnace 1 is always consistent, ensuring that the parts can be completely coated with flux every time, and the flux will not be incompletely coated due to flux consumption, thereby greatly improving the flux supply effect. Secondly, the replenishing position of the liquid replenishing device 2 is set at the bottom of the flux furnace 1, so that the flux is replenished into the flux furnace 1 in an influx manner, and the overflow tank 4 set on the top periphery of the flux furnace 1 is used to collect the flux. This not only prevents the flux from overflowing to other places, but also ensures that the flux is in a flowing state to avoid the flux solidification.

[0018] The refilling device 2 includes a storage cup 21, a refilling pipe 22 disposed between the storage cup 21 and the flux furnace 1, and a controller 23 disposed on the refilling pipe 22 and used to adjust the flow rate, wherein the height of the storage cup 21 is higher than the height of the flux furnace 1. The storage cup 21 of the refilling device 2 is disposed higher than the flux furnace 1, so that the flux can naturally flow into the flux furnace 1 along the refilling pipe 22 due to the gravitational potential energy, thereby eliminating the need to replenish the flux through a power device; and by arranging the controller 23 on the refilling pipe 22, the controller 23 adjusts the speed of the refilling pipe 22 supplying the flux into the flux furnace 1 according to the different automated processing speeds, which can not only ensure that the supply of the flux is not wasted, but also adapt to different welding requirements, greatly improving the versatility.

[0019] In one embodiment, the controller 23 is a size regulating valve that is slidably mounted on the liquid infusion pipe 22 and can control the liquid flow rate.

[0020] In another embodiment, the controller 23 includes an adjustment seat 231 slidably mounted on the infusion pipe 22 and a dial wheel 232 mounted on the adjustment seat 231 and capable of squeezing or loosening the infusion pipe 22 by toggling, and the dial wheel 232 controls the flow of the liquid by squeezing and loosening the infusion pipe 22. In this embodiment, the working principle of the controller 23 is the same as that of the controller on the hospital infusion tube, with a simple structure and low cost.

[0021] A vertical pole or a rack 5 for supporting a storage cup 21 is disposed on the side of the flux furnace 1 , and the storage cup 21 is mounted on the vertical pole or the rack 5 via a clamp 51 .

[0022] A drainage hole 41 is provided at one end of the overflow tank 4, and a drainage pipe 42 is provided between the drainage hole 41 and the liquid collecting tank 3. The drainage hole 41 and the liquid replenishing hole 20 of the liquid replenishing pipe 22 are respectively located at two diagonal corners of the flux furnace 1, and the liquid replenishing hole 20 is located at the bottom of the flux furnace 1, and the drainage hole 41 is located at the top of the flux furnace 1.

[0023] The two sides of the flux furnace 1 are fixedly supported by the first mounting plate 11 and the second mounting plate 12, respectively, wherein a baffle 121 covering the drainage hole 41 is bent and arranged at the top of the second mounting plate 12. The baffle 121 is folded and arranged on the second mounting plate 12 to cover the drainage hole 41, so as to prevent impurities from entering the drainage hole 41 and clogging the drainage hole 41.

[0024] In summary, when the utility model is working, the flux is added to the storage cup 21 of the refilling device 2, and the flux flows into the flux furnace 1 along the refilling pipe 22. When the flux in the flux furnace 1 is filled, it will overflow from the top furnace mouth, and the flux will be collected through the overflow tank 4 on the top of the flux furnace 1, and then flow from the drainage hole 41 through the drainage pipe 42 into the collecting tank 3 for storage, thereby realizing automatic replenishment of the flux and ensuring that the liquid level on the flux furnace 1 remains unchanged. Of course, when a sufficient amount of flux is stored in the collecting tank 3, the flux in the collecting tank 3 can be poured into the storage cup 21 to realize the recycling of the flux and reduce the waste of flux.

[0025] Of course, the above description is only a specific embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. Any equivalent changes or modifications made according to the structure, characteristics and principles described in the patent application scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A soldering flux liquid level maintaining structure, comprising a soldering flux furnace (1) for storing soldering flux, characterized in that: A liquid replenishing device (2) for automatically replenishing the soldering flux is arranged on the side of the soldering flux furnace (1), and the bottom of the soldering flux furnace (1) is connected to the liquid replenishing device (2); A liquid collecting trough (3) for collecting the soldering flux is also provided on the side of the soldering flux furnace (1), and an overflow trough (4) located at the periphery of the furnace opening and used for collecting overflowed liquid is provided on the top of the soldering flux furnace (1), and the bottom of the overflow trough (4) is connected to the liquid collecting trough (3).

2. The soldering flux liquid level maintaining structure according to claim 1, characterized in that: The liquid replenishing device (2) comprises a storage cup (21), a liquid replenishing pipe (22) arranged between the storage cup (21) and the flux furnace (1), and a controller (23) arranged on the liquid replenishing pipe (22) and used to adjust the flow rate, wherein the height of the storage cup (21) is higher than the height of the flux furnace (1).

3. The soldering flux liquid level maintaining structure according to claim 2, characterized in that: The controller (23) is a size regulating valve that is slidably mounted on the liquid infusion pipeline (22) and is capable of controlling the size of the liquid flow rate.

4. The soldering flux liquid level maintaining structure according to claim 2, characterized in that: The controller (23) comprises an adjusting seat (231) slidably sleeved on the liquid infusion pipeline (22) and a dial wheel (232) mounted on the adjusting seat (231) and capable of squeezing or releasing the liquid infusion pipeline (22) by being turned, and the dial wheel (232) controls the flow rate of the liquid by squeezing or releasing the liquid infusion pipeline (22).

5. The soldering flux liquid level maintaining structure according to claim 2, characterized in that: A vertical pole or a rack (5) for supporting a storage cup (21) is arranged on the side of the flux furnace (1), and the storage cup (21) is mounted on the vertical pole or the rack (5) via a clamp (51).

6. The soldering flux liquid level maintaining structure according to any one of claims 1 to 5, characterized in that: A drainage hole (41) is provided at one end of the overflow trough (4), and a drainage pipe (42) is provided between the drainage hole (41) and the liquid collecting trough (3).

7. The soldering flux liquid level maintaining structure according to claim 6, characterized in that: The two sides of the flux furnace (1) are fixedly supported by a first mounting plate (11) and a second mounting plate (12), respectively, wherein a baffle (121) covering the drain hole (41) is bent at the top of the second mounting plate (12).

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