CN215086620U - High-temperature mixing device for lead-free solder paste - Google Patents
High-temperature mixing device for lead-free solder paste Download PDFInfo
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- CN215086620U CN215086620U CN202121125547.6U CN202121125547U CN215086620U CN 215086620 U CN215086620 U CN 215086620U CN 202121125547 U CN202121125547 U CN 202121125547U CN 215086620 U CN215086620 U CN 215086620U
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Abstract
The utility model relates to the technical field of lead-free solder paste preparation, in particular to a high-temperature mixing device for lead-free solder paste, which comprises a mounting rack, wherein a rotating base is rotatably arranged at the bottom of the mounting rack, a mixing drum is fixedly arranged at the top of the rotating base, a feeding pipe is fixedly arranged at the top end of the mixing drum, a discharging pipe is fixedly arranged at the bottom end of the mixing drum, and a stirring mechanism is arranged in the mixing drum; the stirring mechanism comprises a stirring shaft, a plurality of first stirring impellers, a transmission box and a plurality of second stirring impellers, a motor is fixedly mounted at the top of the mounting frame, and an output shaft of the motor is fixedly connected with the stirring shaft. The utility model discloses can stir the material at horizontal direction and vertical direction to make the flow direction of material constantly change and carry out the intensive mixing.
Description
Technical Field
The utility model relates to a lead-free solder paste preparation technical field especially relates to a high temperature mixing arrangement for lead-free solder paste.
Background
The solder paste is a novel welding material produced along with SMT, is a paste mixture formed by mixing solder powder, soldering flux and other surfactants, thixotropic agents and the like, and is mainly used for welding electronic components such as PCB surface resistance, capacitance, IC and the like in the SMT industry; the tin paste has certain viscosity at normal temperature, can initially adhere the electronic component to a set position, and welds the welded component and the printed circuit bonding pad together to form permanent connection along with the volatilization of the solvent and part of the additive at the welding temperature. In the production of the solder paste, the solder powder, the soldering flux and other reagents are required to be put into a stirrer for mixing and stirring;
in contrast, chinese patent CN201821361927.8 discloses "a high-efficiency mixing device for preparing solder paste samples", which greatly improves the efficiency of solder paste preparation by the difference between the rotation directions of the stirring blades and the stirring drum; this kind of reality has improved stirring vane for the rotatory relative speed of churn, though can the certain degree improve stirring effect, the stirring vane of this patent still just rotates on a horizontal plane, and this just makes the inside material of churn mix towards a flow direction all the time, can't carry out the multidirectional flow and carry out intensive mixing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the materials in the prior art can not flow in multiple directions, and providing a high-temperature mixing device for lead-free solder paste.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
designing a high-temperature mixing device for lead-free solder paste, which comprises a mounting frame, wherein a rotating base is rotatably mounted at the bottom of the mounting frame, a mixing drum is fixedly mounted at the top of the rotating base, a feeding pipe is fixedly mounted at the top end of the mixing drum, a discharging pipe is fixedly mounted at the bottom end of the mixing drum, and a stirring mechanism is mounted in the mixing drum;
rabbling mechanism includes (mixing) shaft, a plurality of first impeller, transmission case and a plurality of second impeller, the (mixing) shaft rotates to be installed inside the mixing drum, and is a plurality of first impeller distributes along the central line axis direction equidistance of (mixing) shaft, and equal fixed mounting is on the (mixing) shaft, transmission case fixed mounting is inside the mixing drum, and is a plurality of second impeller is around transmission case evenly distributed, and all is connected with the transmission case rotation, the top fixed mounting of mounting bracket has the motor, the output shaft and the (mixing) shaft fixed connection of motor.
Preferably, a plurality of second bevel gears which are in one-to-one correspondence with the second stirring impellers are arranged in the transmission case, and the plurality of second bevel gears are coaxially and fixedly connected with the corresponding second stirring impellers.
Preferably, a first bevel gear is further arranged inside the transmission case, the first bevel gear is fixedly installed at the bottom end of the stirring shaft, and the first bevel gear is meshed with all the second bevel gears simultaneously.
Preferably, a driving mechanism is installed at the output end of the motor, the driving mechanism comprises a rotating sleeve shaft, the rotating sleeve shaft is sleeved on the output shaft of the motor and is rotatably connected with the output shaft of the motor, and the bottom end of the rotating sleeve shaft is fixedly connected with the mixing barrel.
Preferably, the top fixed mounting who rotates the sleeve axle has first drive gear, one side meshing of first drive gear has second drive gear, second drive gear rotates the bottom of installing at the mounting bracket through the pivot, the coaxial fixed mounting in top of second drive gear has first band pulley, fixed mounting has the second band pulley on the output shaft of motor, the second band pulley is connected with first band pulley transmission.
The utility model provides a pair of lead-free solder paste uses high temperature mixing arrangement, beneficial effect lies in:
1. the stirring shaft drives all the first stirring impellers to rotate through the driving of the motor, so that the first stirring impellers stir the materials in the horizontal direction; because the plurality of second bevel gears are meshed with the first bevel gears, all the second stirring impellers stir the materials in the vertical direction, so that the flowing direction of the materials is continuously changed to fully mix the materials;
2. drive through the motor makes syntropy between second band pulley and the first band pulley rotate to make second drive gear syntropy rotate, because second drive gear meshes with first drive gear, so first drive gear drives and rotates sleeve axle antiport, make the rotation direction of mixing drum and (mixing) shaft opposite at last, and then improve the relative speed of (mixing) shaft, further improve stirring efficiency.
Drawings
Fig. 1 is a schematic structural view of a high-temperature mixing device for lead-free solder paste according to the present invention;
fig. 2 is a schematic structural view of a stirring mechanism of a high-temperature mixing device for lead-free solder paste according to the present invention;
fig. 3 is a schematic structural view of a driving mechanism of a high-temperature mixing device for lead-free solder paste according to the present invention;
fig. 4 is an internal structural schematic diagram of a transmission case of the high-temperature mixing device for lead-free solder paste according to the present invention.
In the figure: the device comprises a mounting frame 1, a rotating base 2, a mixing drum 3, a feeding pipe 4, a discharging pipe 5, a motor 6, a stirring mechanism 7, a stirring shaft 71, a first stirring impeller 72, a transmission box 73, a first bevel gear 731, a second bevel gear 732, a second stirring impeller 74, a driving mechanism 8, a rotating sleeve shaft 81, a first transmission gear 82, a second transmission gear 83, a first belt wheel 84 and a second belt wheel 85.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a high-temperature mixing device for lead-free solder paste comprises a mounting frame 1, wherein a rotating base 2 is rotatably mounted at the bottom of the mounting frame 1, a mixing drum 3 is fixedly mounted at the top of the rotating base 2, a feeding pipe 4 is fixedly mounted at the top end of the mixing drum 3, a discharging pipe 5 is fixedly mounted at the bottom end of the mixing drum 3, and corresponding control valves are respectively mounted on the feeding pipe 4 and the discharging pipe 5.
A stirring mechanism 7 is arranged in the mixing cylinder 3; the stirring mechanism 7 comprises a stirring shaft 71, a plurality of first stirring impellers 72, a transmission box 73 and a plurality of second stirring impellers 74, wherein the stirring shaft 71 is rotatably installed inside the mixing drum 3, the plurality of first stirring impellers 72 are equidistantly distributed along the axis direction of the central line of the stirring shaft 71 and are all fixedly installed on the stirring shaft 71, and the first stirring impellers 72 are used for stirring materials in the horizontal direction; the transmission box 73 is fixedly installed inside the mixing drum 3, the plurality of second stirring impellers 74 are uniformly distributed around the transmission box 73 and are rotatably connected with the transmission box 73, and the second stirring impellers 74 are used for stirring materials in the vertical direction; the top of the mounting rack 1 is fixedly provided with a motor 6, and an output shaft of the motor 6 is fixedly connected with the stirring shaft 71; a plurality of second bevel gears 732 corresponding to the second stirring impellers 74 one by one are arranged in the transmission case 73, and the plurality of second bevel gears 732 are coaxially and fixedly connected with the corresponding second stirring impellers 74; the transmission case 73 is further provided with a first bevel gear 731 inside, the first bevel gear 731 is fixedly installed at the bottom end of the stirring shaft 71, and the first bevel gear 731 is engaged with all the second bevel gears 732 at the same time.
The stirring shaft 71 drives all the first stirring impellers 72 to rotate through the driving of the motor 6, so that the first stirring impellers 72 stir the materials in the horizontal direction; since the plurality of second bevel gears 732 are engaged with the first bevel gears 731, all the second stirring impellers 74 stir the materials in the vertical direction, so that the flowing direction of the materials is continuously changed to perform sufficient mixing.
The second belt wheel 85 and the first belt wheel 84 rotate in the same direction under the driving of the motor 6, so that the second transmission gear 83 rotates in the same direction, and the second transmission gear 83 is meshed with the first transmission gear 82, so that the first transmission gear 82 drives the rotating sleeve shaft 81 to rotate in the opposite direction, and finally the rotating directions of the mixing drum 3 and the stirring shaft 71 are opposite, so that the relative speed of the stirring shaft 71 is increased, and the stirring efficiency is further increased.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The high-temperature mixing device for the lead-free solder paste comprises a mounting rack (1) and is characterized in that a rotating base (2) is rotatably mounted at the bottom of the mounting rack (1), a mixing drum (3) is fixedly mounted at the top of the rotating base (2), a feeding pipe (4) is fixedly mounted at the top end of the mixing drum (3), a discharging pipe (5) is fixedly mounted at the bottom end of the mixing drum (3), and a stirring mechanism (7) is mounted inside the mixing drum (3);
rabbling mechanism (7) include (mixing) shaft (71), a plurality of first impeller (72), transmission case (73) and a plurality of second impeller (74), install inside mixing drum (3) in (mixing) shaft (71) rotation, it is a plurality of first impeller (72) are along the central line axis direction equidistance distribution of (mixing) shaft (71), and equal fixed mounting is on (mixing) shaft (71), transmission case (73) fixed mounting is inside mixing drum (3), and is a plurality of second impeller (74) are around transmission case (73) evenly distributed, and all rotate with transmission case (73) and be connected, the top fixed mounting of mounting bracket (1) has motor (6), the output shaft and (mixing) shaft (71) fixed connection of motor (6).
2. The high-temperature mixing device for lead-free solder paste according to claim 1, wherein a plurality of second bevel gears (732) corresponding to the second stirring impellers (74) one by one are arranged in the transmission case (73), and the plurality of second bevel gears (732) are coaxially and fixedly connected with the corresponding second stirring impellers (74).
3. The high-temperature mixing device for lead-free solder paste as claimed in claim 2, wherein the transmission case (73) is further provided with a first bevel gear (731), the first bevel gear (731) is fixedly installed at the bottom end of the stirring shaft (71), and the first bevel gear (731) is engaged with all the second bevel gears (732) at the same time.
4. The high-temperature mixing device for the lead-free solder paste as claimed in claim 1, wherein the output end of the motor (6) is provided with a driving mechanism (8), the driving mechanism (8) comprises a rotating sleeve shaft (81), the rotating sleeve shaft (81) is sleeved on the output shaft of the motor (6) and is rotatably connected with the output shaft of the motor (6), and the bottom end of the rotating sleeve shaft (81) is fixedly connected with the mixing barrel (3).
5. The high-temperature mixing device for the lead-free solder paste as claimed in claim 4, wherein a first transmission gear (82) is fixedly mounted at the top of the rotating sleeve shaft (81), a second transmission gear (83) is meshed with one side of the first transmission gear (82), the second transmission gear (83) is rotatably mounted at the bottom of the mounting frame (1) through a rotating shaft, a first belt wheel (84) is coaxially and fixedly mounted above the second transmission gear (83), a second belt wheel (85) is fixedly mounted on the output shaft of the motor (6), and the second belt wheel (85) is in transmission connection with the first belt wheel (84).
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CN202121125547.6U CN215086620U (en) | 2021-05-25 | 2021-05-25 | High-temperature mixing device for lead-free solder paste |
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CN202121125547.6U CN215086620U (en) | 2021-05-25 | 2021-05-25 | High-temperature mixing device for lead-free solder paste |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114950227A (en) * | 2022-06-30 | 2022-08-30 | 嘉兴鼎流科技有限公司 | Vacuum mixer and working method thereof |
CN115337828A (en) * | 2022-09-23 | 2022-11-15 | 山东省黄泥湾农业科技有限公司 | Extraction device and extraction method for trace elements in fermented pig placenta |
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2021
- 2021-05-25 CN CN202121125547.6U patent/CN215086620U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114950227A (en) * | 2022-06-30 | 2022-08-30 | 嘉兴鼎流科技有限公司 | Vacuum mixer and working method thereof |
CN115337828A (en) * | 2022-09-23 | 2022-11-15 | 山东省黄泥湾农业科技有限公司 | Extraction device and extraction method for trace elements in fermented pig placenta |
CN115337828B (en) * | 2022-09-23 | 2024-04-05 | 山东省黄泥湾农业科技有限公司 | Device and method for extracting trace elements from fermented pig placenta |
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