Soldering paste supply device for storage chip DBC substrate packaging

Abstract

The utility model discloses a soldering paste supply device for storing chip DBC substrate packaging, which belongs to the technical field of soldering paste supply and comprises a storage barrel, a base is arranged at the lower end of the storage barrel, a soldering machine frame is arranged on one side of the storage barrel, a soldering head is arranged at the lower end of the soldering machine frame, and a delivery pump is arranged at the lower end of the storage barrel. By arranging the connecting assembly, when the upper protection plate is installed, the folding rod is pulled to drive the limiting plate to slide in the fixing barrel, the spring is compressed, then the upper protection plate is placed at the upper end of the storage barrel, meanwhile, the folding plates at the two ends of the upper protection plate enter the fixing box, then the folding rod is loosened, and the upper protection plate is installed in the fixing box. The spring elastically stretches to push one end of the folding rod to enter the clamping hole of the folding plate, the effect of limiting and fixing the folding plate and the upper protection plate is achieved, the upper protection plate is conveniently and rapidly disassembled, assembled and fixed by arranging the connecting assembly, and therefore the interior of the storage barrel can be conveniently cleaned or charged.

Description

Technical Field

[0001] The utility model belongs to the technical field of solder paste supply, and in particular relates to a solder paste supply device for packaging a storage chip DBC substrate. Background Art

[0002] Solder paste: Solder paste is a homogeneous mixture, which is a paste with certain viscosity and good thixotropy, made of alloy solder powder, paste flux and some additives. At room temperature, solder paste can initially stick electronic components to a given position. When heated to a certain temperature, as the solvent and some additives evaporate, the alloy powder melts, so that the components to be soldered and the pads are interconnected, and cooling forms a permanently connected solder joint.

[0003] Chinese patent application No. 2022208868440 discloses a Cu nano solder paste feeding device, which belongs to the field of eyewear manufacturing equipment. The key points of its technical solution include a storage barrel and a welding frame. The welding frame is located on the right side of the storage barrel. A sealing cover is movably connected to the top of the storage barrel. The sealing cover and the opposite side of the storage barrel are respectively fixedly connected with an upper protective plate and a lower protective plate. The other end of the lower protective plate is fixedly connected to a stable base cover. A conveying pump fixedly connected to the lower end of the lower protective plate is arranged inside the stable base cover. The electric control rod is started, and the stirring blade moves up and down. The rotating motor is movably connected to the rotating shaft through a coupling, and the other end of the rotating shaft is connected to the sealing shell. The rotating motor is started to facilitate driving the electric control rod and the stirring blade to rotate synchronously, so as to facilitate stirring the feeding inside the storage barrel and prevent the feeding from solidifying. The heating layer facilitates heating the feeding and enhances the fluidity of the feeding. The reflux pump is started to facilitate the reflux and conveying of the remaining Cu nano solder paste to the inside of the storage barrel.

[0004] The above-mentioned patent discloses that the upper protective plate and the storage barrel are connected by mounting rods and mounting nuts, which is not conducive to the rapid disassembly and fixing of the upper protective plate, and is not convenient for cleaning or adding materials to the inside of the storage barrel. At the same time, the original device has poor stirring effect on the solder paste inside the storage barrel, and the stirring range of the stirring blade is low. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a solder paste supply device for a storage chip DBC substrate package, which has the characteristic of being easy to disassemble, assemble and fix the upper protection plate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a solder paste supply device for a storage chip DBC substrate package, comprising a storage barrel, a base is arranged at the lower end of the storage barrel, a welding frame is arranged on one side of the storage barrel, a welding head is arranged at the lower end of the welding frame, a delivery pump is arranged at the lower end of the storage barrel, a delivery pipe is arranged between the delivery pump and the welding frame, a reflux pump is arranged on one side of the upper end of the storage barrel, a reflux pipe is arranged between the reflux pump and the welding frame, an upper protective plate is arranged at the upper end of the storage barrel, a stirring assembly is arranged at the lower end of the upper protective plate, and the upper protective plate and the storage barrel are connected by a connecting assembly.

[0007] Preferably, the connecting assembly includes a fixed box, a folding plate, a fixed cylinder, a clamping hole, a folding rod, a limit plate, a spring and a sealing assembly, wherein folding plates are provided at both ends of the upper protective plate, fixed boxes are provided at positions on the upper sides of both ends of the storage cylinder corresponding to the folding plates, a fixed cylinder is provided at one end of the fixed box, a folding rod is provided in the fixed cylinder, a limit plate is provided on the surface of the folding rod, a spring is provided on the outside of the folding rod between the limit plate and the fixed cylinder, a clamping hole corresponding to the folding rod is provided in the folding plate, and a sealing assembly is provided at the lower end of the upper protective plate.

[0008] Preferably, the sealing assembly includes an annular plug plate, an annular groove, a rubber pad, a positioning rod and a positioning hole, wherein an annular plug plate is provided at the lower end of the upper protective plate, an annular groove corresponding to the annular plug plate is provided at the upper end of the storage barrel, a rubber pad is provided on the inner wall of the annular groove, a plurality of positioning rods are provided at the lower end of the upper protective plate, and positioning holes corresponding to the positioning rods are provided at the upper end of the storage barrel.

[0009] Preferably, the fixing box and the fixing tube are both provided with sliding holes corresponding to the folding rod, and the lower side of one end of the folding rod away from the fixing box protrudes out from the lower side of the fixing box.

[0010] Preferably, the stirring assembly includes a motor, a rotating shaft, a stirring rod, a connecting rod and a scraper, wherein a motor is arranged at the middle position of the upper end of the upper protective plate, a rotating shaft is arranged at the output end of the motor, a plurality of stirring rods are arranged at one end of the rotating shaft, a plurality of connecting rods are arranged at the other end of the rotating shaft, and a scraper is arranged at the other end of the connecting rod.

[0011] Preferably, the side edge of the scraper frame is in close contact with the inner wall of the storage barrel, and the connecting rod and the scraper frame as well as the connecting rod and the rotating shaft are spot welded.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a connecting component. When the upper protective plate is installed, the folding rod is pulled to drive the limit plate to slide in the fixed cylinder, and the spring is compressed. Then the upper protective plate is placed on the upper end of the storage cylinder. At the same time, the folding plates at both ends of the upper protective plate enter the fixed box, and then the folding rod is released. The spring stretches and pushes one end of the folding rod into the clamping hole of the folding plate, so as to achieve the effect of limiting and fixing the folding plate and the upper protective plate. By setting the connecting component, it is convenient to quickly disassemble and fix the upper protective plate, so as to facilitate cleaning or adding materials to the inside of the storage cylinder.

[0014] 2. The utility model sets a stirring component, turns on the motor to drive the rotating shaft to rotate, and the rotation of the rotating shaft drives a number of stirring rods to stir the solder paste in the storage barrel. The rotation of the rotating shaft can drive the scraper to rotate through the connecting rod. The rotation of the scraper can clean the inner wall of the storage barrel to prevent the solder paste from adhering to the inner wall of the storage barrel. By setting the stirring component, the stirring effect of the solder paste in the storage barrel is better, and the inner wall of the storage barrel can be cleaned at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a cutaway stereogram of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the positioning component of the utility model;

[0018] Figure 4 This is a three-dimensional diagram of the scraper frame of the utility model;

[0019] In the figure: 1. storage barrel; 2. connecting assembly; 21. fixing box; 22. folding plate; 23. fixing barrel; 24. clamping hole; 25. folding rod; 26. limit plate; 27. spring; 28. sealing assembly; 281. annular plug plate; 282. annular groove; 283. rubber pad; 284. positioning rod; 285. positioning hole; 3. base; 4. delivery pipe; 5. welding frame; 6. reflux pipe; 7. reflux pump; 8. upper protective plate; 9. stirring assembly; 91. motor; 92. rotating shaft; 93. stirring rod; 94. connecting rod; 95. scraper; 10. delivery pump; 11. welding head. DETAILED DESCRIPTION

[0020] 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. Example 1

[0021] See also Figure 1-4 The utility model provides the following technical solutions: a solder paste supply device for a storage chip DBC substrate package, comprising a storage barrel 1, a base 3 is arranged at the lower end of the storage barrel 1, a welding frame 5 is arranged on one side of the storage barrel 1, a welding head 11 is arranged at the lower end of the welding frame 5, a delivery pump 10 is arranged at the lower end of the storage barrel 1, a delivery pipe 4 is arranged between the delivery pump 10 and the welding frame 5, a reflux pump 7 is arranged at one side of the upper end of the storage barrel 1, a reflux pipe 6 is arranged between the reflux pump 7 and the welding frame 5, an upper protective plate 8 is arranged at the upper end of the storage barrel 1, a stirring component 9 is arranged at the lower end of the upper protective plate 8, and the upper protective plate 8 and the storage barrel 1 are connected by a connecting component 2.

[0022] Specifically, the connecting component 2 includes a fixed box 21, a folding plate 22, a fixed cylinder 23, a clamping hole 24, a folding rod 25, a limiting plate 26, a spring 27 and a sealing component 28, wherein folding plates 22 are provided at both ends of the upper protective plate 8, fixed boxes 21 are provided at positions on the upper sides of both ends of the storage cylinder 1 corresponding to the folding plates 22, a fixed cylinder 23 is provided at one end of the fixed box 21, a folding rod 25 is provided in the fixed cylinder 23, a limiting plate 26 is provided on the surface of the folding rod 25, a spring 27 is provided on the outside of the folding rod 25 between the limiting plate 26 and the fixed cylinder 23, a clamping hole 24 corresponding to the folding rod 25 is provided in the folding plate 22, and a sealing component 28 is provided at the lower end of the upper protective plate 8.

[0023] By adopting the above technical scheme, when the upper protective plate 8 is installed, the folding rod 25 is pulled to drive the limiting plate 26 to slide in the fixing tube 23, and the spring 27 is compressed. Then, the upper protective plate 8 is placed on the upper end of the storage tube 1. At the same time, the folding plates 22 at both ends of the upper protective plate 8 enter the fixing box 21, and then the folding rod 25 is released. The spring 27 is extended and pushes one end of the folding rod 25 into the clamping hole 24 of the folding plate 22, so as to achieve the effect of limiting and fixing the folding plate 22 and the upper protective plate 8. By setting the connecting component 2, it is convenient to quickly disassemble and fix the upper protective plate 8, thereby facilitating the cleaning or feeding of the inside of the storage tube 1.

[0024] Specifically, the sealing assembly 28 includes an annular plug plate 281, an annular groove 282, a rubber pad 283, a positioning rod 284 and a positioning hole 285, wherein an annular plug plate 281 is provided at the lower end of the upper protective plate 8, an annular groove 282 corresponding to the annular plug plate 281 is provided at the upper end of the storage barrel 1, a rubber pad 283 is provided on the inner wall of the annular groove 282, a plurality of positioning rods 284 are provided at the lower end of the upper protective plate 8, and a positioning hole 285 corresponding to the positioning rods 284 is provided at the upper end of the storage barrel 1.

[0025] By adopting the above technical solution, when the upper protective plate 8 is installed, the positioning rod 284 at the lower end of the upper protective plate 8 can be inserted into the positioning hole 285 at the upper end of the storage barrel 1, and at the same time the annular plug plate 281 is inserted into the annular groove 282 at the upper end of the storage barrel 1, and the rubber pad 283 on the inner wall of the annular groove 282 is squeezed. By setting the sealing assembly 28, the sealing between the upper protective plate 8 and the storage barrel 1 is better after installation.

[0026] Specifically, a sliding hole corresponding to the folding rod 25 is disposed in the fixing box 21 and the fixing tube 23 , and the lower side of one end of the folding rod 25 away from the fixing box 21 protrudes out of the lower side of the fixing box 21 .

[0027] By adopting the above technical solution, the folding rod 25 can slide in the fixing box 21 and the fixing tube 23 , and the lower side of one end of the folding rod 25 away from the fixing box 21 protrudes from the lower side of the fixing box 21 to facilitate pulling the folding rod 25 .

[0028] When the present embodiment is used, when the solder paste supply device for storing chip DBC substrate package is used, the device is installed in a suitable position, and the delivery pump 10 can deliver the solder paste in the storage barrel 1 to the welding rack 5 through the delivery pipe 4. When there is residual solder paste in the welding rack 5 when not in use, the reflux pump 7 can deliver the solder paste in the welding rack 5 back to the storage barrel 1 for storage through the reflux pipe 6. By setting the connecting component 2, when the upper protective plate 8 is installed, the folding rod 25 is pulled to drive the limit plate 26 to slide in the fixed cylinder 23, and the spring 27 is compressed. Then the upper protective plate 8 is placed on the upper end of the storage barrel 1, and the folding plates 22 at both ends of the upper protective plate 8 enter the fixed box 21, and then the folding rod 25 is released, and the spring 27 is compressed. 7 elastically extends and pushes one end of the folding rod 25 into the clamping hole 24 of the folding plate 22, so as to achieve the effect of limiting and fixing the folding plate 22 and the upper protective plate 8. By setting the connecting component 2, it is convenient to quickly disassemble and fix the upper protective plate 8, so as to facilitate cleaning or adding materials to the storage barrel 1. By setting the sealing component 28, when the upper protective plate 8 is installed, the positioning rod 284 at the lower end of the upper protective plate 8 can be inserted into the positioning hole 285 at the upper end of the storage barrel 1, and the annular plug plate 281 is inserted into the annular groove 282 at the upper end of the storage barrel 1. The rubber pad 283 on the inner wall of the annular groove 282 is squeezed. By setting the sealing component 28, the sealing performance between the upper protective plate 8 and the storage barrel 1 is better after installation. Example 2

[0029] The difference between this embodiment and embodiment 1 is that the stirring assembly 9 includes a motor 91, a rotating shaft 92, a stirring rod 93, a connecting rod 94 and a scraper 95, wherein the motor 91 is arranged at the middle position of the upper end of the upper protective plate 8, the rotating shaft 92 is arranged at the output end of the motor 91, a plurality of stirring rods 93 are arranged at one end of the rotating shaft 92, a plurality of connecting rods 94 are arranged at the other end of the rotating shaft 92, and a scraper 95 is arranged at the other end of the connecting rod 94.

[0030] By adopting the above technical solution, the motor 91 is turned on to drive the rotating shaft 92 to rotate. The rotation of the rotating shaft 92 drives several stirring rods 93 to stir the solder paste in the storage barrel 1. The rotation of the rotating shaft 92 can drive the scraper 95 to rotate through the connecting rod 94. The rotation of the scraper 95 can clean the inner wall of the storage barrel 1 to prevent the solder paste from adhering to the inner wall of the storage barrel 1. By setting the stirring component 9, the stirring effect of the solder paste in the storage barrel 1 is better, and the inner wall of the storage barrel 1 can be cleaned at the same time.

[0031] Specifically, the side of the scraper 95 is in close contact with the inner wall of the storage barrel 1, and the connecting rod 94 and the scraper 95 as well as the connecting rod 94 and the rotating shaft 92 are spot welded.

[0032] By adopting the above technical solution, the scraper 95 has a better cleaning effect on the inner wall of the storage barrel 1, and the spot welding makes the connection between the connecting rod 94 and the scraper 95 and between the connecting rod 94 and the rotating shaft 92 more firm.

[0033] When this embodiment is used, by setting up a stirring component 9, turning on the motor 91 to drive the rotating shaft 92 to rotate, the rotation of the rotating shaft 92 drives a number of stirring rods 93 to stir the solder paste in the storage barrel 1, the rotation of the rotating shaft 92 can drive the scraper 95 to rotate through the connecting rod 94, the rotation of the scraper 95 can clean the inner wall of the storage barrel 1 to prevent the solder paste from adhering to the inner wall of the storage barrel 1, by setting up the stirring component 9, the stirring effect of the solder paste in the storage barrel 1 is better, and the inner wall of the storage barrel 1 can be cleaned at the same time.

[0034] The motor 91 in the present invention is an existing disclosed technology, and the selected model is 5IK120GN-CF.

[0035] The structure and working principle of the storage barrel 1, base 3, delivery pipe 4, welding frame 5, reflux pipe 6, reflux pump 7, upper protective plate 8, delivery pump 10 and welding head 11 in the utility model have been disclosed in a Cu nano solder paste feeding device disclosed in Chinese patent application No. 2022208868440. Its working principle is that the delivery pump 10 can deliver the solder paste in the storage barrel 1 to the welding frame 5 through the delivery pipe 4. When there is residual solder paste in the welding frame 5 when it is not in use, the reflux pump 7 can deliver the solder paste in the welding frame 5 back to the storage barrel 1 through the reflux pipe 6 for storage.

[0036] The working principle and use process of the utility model are as follows: when the solder paste supply device for storing chip DBC substrate package is used, the device is installed in a suitable position, and the delivery pump 10 can deliver the solder paste in the storage barrel 1 to the welding rack 5 through the delivery pipe 4. When the welding rack 5 is not in use and there is residual solder paste, the reflux pump 7 can deliver the solder paste in the welding rack 5 back to the storage barrel 1 for storage through the reflux pipe 6. By setting the connecting component 2, when the upper protective plate 8 is installed, the folding rod 25 is pulled to drive the limiting plate 26 to slide in the fixing cylinder 23, and the spring 27 is compressed. Thereafter, the upper protective plate 8 is placed on the upper end of the storage barrel 1, and at the same time, the folding plates 22 at both ends of the upper protective plate 8 enter the fixing box 21, and then the folding rod 25 is released, and the spring 27 is stretched to push one end of the folding rod 25 into the clamping hole 24 of the folding plate 22, so as to achieve the effect of limiting and fixing the folding plate 22 and the upper protective plate 8. By setting the connecting component 2, it is convenient to quickly disassemble and fix the upper protective plate 8. And it is convenient to clean or add materials inside the storage barrel 1. By setting the sealing component 28, when the upper protective plate 8 is installed, the positioning rod 284 at the lower end of the upper protective plate 8 can be inserted into the positioning hole 285 at the upper end of the storage barrel 1, and the annular plug plate 281 is inserted into the annular groove 282 at the upper end of the storage barrel 1. The rubber pad 283 on the inner wall of the annular groove 282 is squeezed. By setting the sealing component 28, the sealing between the upper protective plate 8 and the storage barrel 1 after installation is better. By setting the stirring component 9, the motor 91 is turned on to drive the rotating shaft 92 to rotate. The rotation of the rotating shaft 92 drives several stirring rods 93 to stir the solder paste in the storage barrel 1. The rotation of the rotating shaft 92 can drive the scraper 95 to rotate through the connecting rod 94. The rotation of the scraper 95 can clean the inner wall of the storage barrel 1 to prevent the solder paste from adhering to the inner wall of the storage barrel 1. By setting the stirring component 9, the solder paste stirring effect in the storage barrel 1 is better, and the inner wall of the storage barrel 1 can be cleaned at the same time.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A solder paste supply device for a storage chip DBC substrate package, comprising a storage barrel, a base is provided at the lower end of the storage barrel, a welding frame is provided on one side of the storage barrel, a welding head is provided at the lower end of the welding frame, a delivery pump is provided at the lower end of the storage barrel, a delivery pipe is provided between the delivery pump and the welding frame, a reflux pump is provided on one side of the upper end of the storage barrel, a reflux pipe is provided between the reflux pump and the welding frame, and an upper protective plate is provided at the upper end of the storage barrel, characterized in that: A stirring assembly is arranged at the lower end of the upper protection plate, and the upper protection plate is connected to the storage barrel through a connecting assembly.

2. The solder paste supply device for storage chip DBC substrate packaging according to claim 1, characterized in that: The connecting assembly includes a fixed box, a folding plate, a fixed cylinder, a clamping hole, a folding rod, a limit plate, a spring and a sealing assembly, wherein folding plates are arranged at both ends of the upper protective plate, fixed boxes are arranged at positions on the upper sides of both ends of the storage cylinder corresponding to the folding plates, a fixed cylinder is arranged at one end of the fixed box, a folding rod is arranged in the fixed cylinder, a limit plate is arranged on the surface of the folding rod, a spring is arranged on the outside of the folding rod between the limit plate and the fixed cylinder, a clamping hole corresponding to the folding rod is arranged in the folding plate, and a sealing assembly is arranged at the lower end of the upper protective plate.

3. The solder paste supply device for storage chip DBC substrate packaging according to claim 2, characterized in that: The sealing assembly includes an annular plug plate, an annular groove, a rubber pad, a positioning rod and a positioning hole, wherein an annular plug plate is arranged at the lower end of the upper protective plate, an annular groove corresponding to the annular plug plate is arranged at the upper end of the storage barrel, a rubber pad is arranged on the inner wall of the annular groove, a plurality of positioning rods are arranged at the lower end of the upper protective plate, and positioning holes corresponding to the positioning rods are arranged at the upper end of the storage barrel.

4. The solder paste supply device for storage chip DBC substrate packaging according to claim 2, characterized in that: The fixing box and the fixing tube are both provided with sliding holes corresponding to the folding rod, and the lower side of one end of the folding rod away from the fixing box protrudes out from the lower side of the fixing box.

5. The solder paste supply device for storage chip DBC substrate packaging according to claim 1, characterized in that: The stirring assembly includes a motor, a rotating shaft, a stirring rod, a connecting rod and a scraper, wherein a motor is arranged at the middle position of the upper end of the upper protective plate, a rotating shaft is arranged at the output end of the motor, a plurality of stirring rods are arranged at one end of the rotating shaft, a plurality of connecting rods are arranged at the other end of the rotating shaft, and a scraper is arranged at the other end of the connecting rod.

6. The solder paste supply device for storage chip DBC substrate packaging according to claim 5, characterized in that: The side edge of the scraper is in close contact with the inner wall of the storage barrel, and the connecting rod and the scraper as well as the connecting rod and the rotating shaft are spot welded.

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