CN220370923U - Lead-free solder paste dispersing device - Google Patents
Lead-free solder paste dispersing device Download PDFInfo
- Publication number
- CN220370923U CN220370923U CN202321792863.8U CN202321792863U CN220370923U CN 220370923 U CN220370923 U CN 220370923U CN 202321792863 U CN202321792863 U CN 202321792863U CN 220370923 U CN220370923 U CN 220370923U
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- Prior art keywords
- gear
- solder paste
- lead
- plate
- free solder
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- 229910000679 solder Inorganic materials 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000006185 dispersion Substances 0.000 claims description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 15
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 15
- 241001330002 Bambuseae Species 0.000 claims description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 15
- 239000011425 bamboo Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model discloses a lead-free solder paste dispersing device which comprises a supporting plate, wherein a dispersing cylinder is arranged above the supporting plate, rotating plates are respectively rotatably arranged on the inner walls of two ends of the dispersing cylinder, arc plates are fixedly connected between the two rotating plates, a plurality of stirring plates parallel to the axis of the rotating plates are fixedly arranged on the inner arc walls of the arc plates, one end of one rotating plate is connected with a first driving mechanism.
Description
Technical Field
The utility model relates to the technical field of solder paste production, in particular to a lead-free solder paste dispersing device.
Background
Lead-free solder pastes, rather than absolute percentages of the presence of lead in the solder paste, require that the lead content must be reduced to levels below 1000ppm (< 0.1%), and mean that electronic manufacturing must meet lead-free assembly process requirements. The lead-free solder paste needs to be stirred and dispersed by a dispersing device during manufacturing.
When the existing dispersing device is used, the driving mechanism is used for driving the crushing net to stir and disperse the lead-free solder paste, however, in the stirring and dispersing process, the lead-free solder paste far away from the crushing net direction is very poor in stirring effect due to the fact that the lead-free solder paste is close to the inner wall of the dispersing cylinder, and meanwhile, due to the action of gravity, particles in the lead-free solder paste at the bottom of the dispersing cylinder are generally larger, and the stirring effect on the lead-free solder paste at the middle upper part of the dispersing cylinder is relatively poor.
Disclosure of Invention
The utility model aims to provide a lead-free solder paste dispersing device for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a leadless solder paste dispersing device, includes the backup pad, the bottom fixed mounting of backup pad has a plurality of supporting legs, the top of backup pad is provided with a dispersion section of thick bamboo, a dispersion section of thick bamboo passes through a plurality of connecting rods and backup pad fixed connection, rotate respectively on the dispersion section of thick bamboo both ends inner wall and install the rotor plate, two fixedly connected with arc between the rotor plate, two the arc is symmetrical each other for the axle center of rotor plate, fixedly installed with a plurality of toggle plates parallel with rotor plate axle center on the inner arc wall of arc, one the one end of rotor plate is connected with first actuating mechanism, still be provided with the rotary rod in the dispersion section of thick bamboo, the one end of rotary rod runs through the rotor plate and rotates to be connected on the inner wall of a dispersion section of thick bamboo, the other end of rotary rod runs through rotor plate and dispersion section of thick bamboo and is connected with second actuating mechanism, fixedly connected with smashes the net on the rotary rod.
As the further preferred of this technical scheme, first actuating mechanism includes motor, no. four gears and pivot, the motor passes through fixed plate fixed mounting in the upper end of backup pad, fixedly connected with No. one gear on the output shaft of motor, the bottom fixed mounting of backup pad has fixed sleeve, the pivot runs through two fixed sleeve and the both ends of pivot respectively fixedly connected with No. two gears and No. three gears, no. one the gear with No. two gears intermeshing, no. four gears rotate to be connected on the axle head outer wall of a dispersion section of thick bamboo, no. four gears are close to dispersion section of thick bamboo's one end and rotor plate fixed connection, no. three gears and No. four gear's outside cover is equipped with first drive belt.
As a further preferable aspect of the present utility model, the diameter of the first gear is smaller than the diameter of the second gear, and the diameter of the third gear is smaller than the diameter of the fourth gear.
As a further preferable mode of the technical scheme, the second driving mechanism comprises a gear number five and a gear number six, the gear number five is fixedly connected to the tail end of an output shaft of the motor, the gear number six is fixedly connected to one end of the rotating rod, and a second transmission belt is sleeved outside the gear number five and the gear number six.
As a further preferable mode of the technical scheme, a fixing frame is fixedly installed on the supporting plate, a bearing is installed on the fixing frame, and the bearing is sleeved on an output shaft of the motor.
As a further preferable mode of the technical scheme, the upper end of the dispersing cylinder is provided with a feed inlet, the bottom of the dispersing cylinder is provided with a discharge outlet, and valves are arranged in the feed inlet and the discharge outlet.
As a further preferable mode of the technical scheme, the outer wall of the dispersing cylinder is fixedly sleeved with reinforcing ribs.
The utility model provides a lead-free solder paste dispersing device, which has the following beneficial effects:
according to the utility model, the second stirring mechanism drives the smashing net to stir and disperse the lead-free solder paste, the first driving mechanism controls the arc plate in the dispersing cylinder to rotate, the stirring plate on the inner arc side wall of the arc plate can start to rotate continuously on the inner wall of the dispersing cylinder, so that the lead-free solder paste at the bottom of the dispersing cylinder and in the direction far away from the smashing net is stirred to the top end of the dispersing cylinder, under the influence of gravity, the lead-free solder paste continuously falls into the central part of the dispersing cylinder in the stirring process, and therefore the lead-free solder paste at the bottom of the dispersing cylinder and in the direction far away from the smashing net is fully stirred.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a schematic side view of a dispensing cartridge of the present utility model;
FIG. 4 is a schematic view of the structure of an arc plate and a toggle plate according to the present utility model;
in the figure: 1. a support plate; 2. a dispersing cylinder; 3. supporting feet; 4. a connecting rod; 5. a motor; 6. a fixing plate; 7. a fixing frame; 8. a first gear; 9. a second gear; 10. a third gear; 11. a fourth gear; 12. a rotating shaft; 13. a fixed sleeve; 14. a first belt; 15. a fifth gear; 16. a sixth gear; 17. a second belt; 18. an arc-shaped plate; 19. a rotating rod; 20. crushing the net; 21. a feed inlet; 22. a discharge port; 23. a toggle plate; 24. a rotating plate; 25. reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, a lead-free solder paste dispersing device includes a supporting plate 1, a plurality of supporting legs 3 are fixedly installed at the bottom of the supporting plate 1, a dispersing cylinder 2 is provided above the supporting plate 1, the dispersing cylinder 2 is fixedly connected with the supporting plate 1 through a plurality of connecting rods 4, rotating plates 24 are respectively rotatably installed on inner walls of two ends of the dispersing cylinder 2, an arc plate 18 is fixedly connected between the two rotating plates 24, the two arc plates 18 are symmetrical relative to the axis of the rotating plates 24, a plurality of poking plates 23 parallel to the axis of the rotating plates 24 are fixedly installed on inner arc walls of the arc plates 18, one end of one rotating plate 24 is connected with a first driving mechanism, a rotating rod 19 is further arranged in the dispersing cylinder 2, one end of the rotating rod 19 penetrates through the rotating plate 24 and is rotatably connected on the inner wall of the dispersing cylinder 2, the other end of the rotating rod 19 penetrates through the rotating plate 24 and the dispersing cylinder 2 and is connected with a second driving mechanism, and a crushing net 20 is fixedly connected on the rotating rod 19.
As shown in fig. 2, the first driving mechanism comprises a motor 5, a fourth gear 11 and a rotating shaft 12, the motor 5 is fixedly mounted at the upper end of the supporting plate 1 through a fixing plate 6, a first gear 8 is fixedly connected to an output shaft of the motor 5, a fixing sleeve 13 is fixedly mounted at the bottom of the supporting plate 1, the rotating shaft 12 penetrates through the two fixing sleeves 13, a second gear 9 and a third gear 10 are fixedly connected to two ends of the rotating shaft 12 respectively, the first gear 8 and the second gear 9 are meshed with each other, the fourth gear 11 is rotationally connected to the outer wall of the shaft end of the dispersing cylinder 2, one end, close to the dispersing cylinder 2, of the fourth gear 11 is fixedly connected with the rotating plate 24, and a first transmission belt 14 is sleeved outside the third gear 10 and the fourth gear 11.
The motor 5 drives the first gear 8 to rotate, the first gear 8 drives the second gear 9 meshed with the first gear 8 to rotate, the second gear 9 drives the rotating shaft 12 and the third gear 10 to rotate, the fourth gear 11 starts to rotate under the action of the first transmission belt 14, so that the rotating plate 24 and the arc plate 18 rotate, the stirring plate 23 on the inner arc side wall of the arc plate 18 starts to continuously rotate on the inner wall of the dispersing cylinder 2, lead-free solder paste positioned at the bottom of the dispersing cylinder 2 and far away from the smashing net 20 is stirred to the top end of the dispersing cylinder, and the lead-free solder paste continuously falls into the center part of the dispersing cylinder in the stirring process of the top end under the influence of gravity, so that the lead-free solder paste is fully stirred at the bottom of the dispersing cylinder 20 and in the direction far away from the smashing net 20.
Wherein the diameter of the first gear 8 is smaller than the diameter of the second gear 9, and the diameter of the third gear 10 is smaller than the diameter of the fourth gear 11.
Through making the diameter of gear 8 be less than the diameter of gear 9 No. two for the rotational speed of gear 9 No. two is less than the rotational speed of gear 8 No. two, and the diameter of gear 10 No. three is less than the diameter of gear 11 No. four simultaneously, and the rotational speed of gear 11 No. four is less than the rotational speed of gear 10 No. three, and No. three gear 10 and gear 9 coaxial with the rotational speed of gear 9 No. two can make the rotational speed of gear 11 No. four be less than the rotational speed of gear 8 No. four, thereby make motor 5 when high-speed rotation arc 18 only keep a relatively slow rotation, avoid the centrifugal force that arc 18 rotated too soon and produced, make the lead-free solder paste unable stir the in-process at stirring plate 23 to fall to crushing net 20.
The second driving mechanism comprises a gear number five 15 and a gear number six 16, the gear number five 15 is fixedly connected to the tail end of an output shaft of the motor 5, the gear number six 16 is fixedly connected to one end of a rotating rod 19, and a second transmission belt 17 is sleeved outside the gear number five 15 and the gear number six 16.
The motor 5 drives the gear number five 15 to rotate, and the gear number six 16 starts to rotate under the action of the second transmission belt 17, so that the rotary rod 19 and the crushing net 20 are driven to rotate and stir the lead-free solder paste.
Wherein, fixed mounting has mount 7 on the backup pad 1, installs the bearing on the mount 7, and the bearing housing is established on the output shaft of motor 5.
The bearing on the fixing frame 7 plays a role in stabilizing the output shaft of the motor 5, and the output shaft of the motor 5 is prevented from shaking in the rotation process.
Wherein, the upper end of dispersion section of thick bamboo 2 sets up feed inlet 21, and the bottom of dispersion section of thick bamboo 2 is provided with discharge gate 22, all installs the valve in feed inlet 21 and the discharge gate 22.
The lead-free solder paste raw materials are put in through the feed inlet 21 and the discharge outlet 22 respectively, and finished products are collected, so that when the lead-free solder paste is specifically used, a gap part between the two arc plates 18 is required to be aligned to the feed inlet 21 or the discharge outlet 22.
Wherein, the outer wall of the dispersing cylinder 2 is fixedly sleeved with a reinforcing rib 25.
Plays a role in stabilizing the dispersing cylinder 2 through the reinforcing ribs 25, so that the whole structure of the dispersing cylinder 2 is firmer, and deformation and other conditions are avoided.
The utility model provides a lead-free solder paste dispersing device, which has the following specific working principle:
when the lead-free solder paste stirring device is used, the raw materials of the lead-free solder paste are placed into the dispersing cylinder 2 through the feeding port 21, the motor 5 is started to drive the gear number five 15 to rotate, and the gear number six 16 starts to rotate under the action of the second transmission belt 17, so that the rotary rod 19 and the crushing net 20 are driven to rotate and the lead-free solder paste is stirred;
meanwhile, the motor 5 drives the first gear 8 to rotate, the first gear 8 drives the second gear 9 meshed with the first gear 8 to rotate, the second gear 9 drives the rotating shaft 12 and the third gear 10 to rotate, the fourth gear 11 starts to rotate under the action of the first transmission belt 14, so that the rotating plate 24 and the arc plate 18 rotate, the stirring plate 23 on the inner arc side wall of the arc plate 18 starts to continuously rotate on the inner wall of the dispersing cylinder 2, lead-free solder paste positioned at the bottom of the dispersing cylinder 2 and in the direction far away from the crushing net 20 is stirred to the top end of the dispersing cylinder, and the lead-free solder paste continuously falls into the central part of the dispersing cylinder in the process of stirring to the top end under the influence of gravity, so that the lead-free solder paste is fully stirred at the bottom of the dispersing cylinder 20 and in the direction far away from the crushing net 20;
the diameter of the first gear 8 is smaller than that of the second gear 9, the diameter of the third gear 10 is smaller than that of the fourth gear 11, the second gear 9 and the third gear 10 are coaxial, and accordingly the rotating speed of the fourth gear 11 is far smaller than that of the first gear 10, and accordingly the phenomenon that lead-free solder paste is tightly attached to the inner wall of the arc-shaped plate 18 due to the fact that the arc-shaped plate 18 is too fast in rotating speed and large centrifugal force is avoided, and dropping of the lead-free solder paste is affected.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a leadless solder paste dispersion devices, includes backup pad (1), its characterized in that: the utility model discloses a rotary crusher, including support plate (1), rotary rod (19), fixed mounting has a plurality of supporting legs (3) in the bottom fixed mounting of backup pad (1), the top of backup pad (1) is provided with a dispersion section of thick bamboo (2), dispersion section of thick bamboo (2) are through a plurality of connecting rods (4) and backup pad (1) fixed connection, rotation plate (24) are installed in rotation on the inner wall of dispersion section of thick bamboo (2) respectively, two fixedly connected with arc (18) between rotary plate (24), two arc (18) are symmetrical each other for the axle center of rotary plate (24), fixed mounting has a plurality of toggle plates (23) parallel with rotary plate (24) axle center on the inner arc wall of arc (18), one the one end of rotary plate (24) is connected with first actuating mechanism, still be provided with rotary rod (19) in the dispersion section of thick bamboo (2), the one end of rotary rod (19) runs through rotary plate (24) and rotates to be connected on the inner wall of dispersion section of thick bamboo (2), the other end of rotary rod (19) runs through rotary rod (24) and is connected with second actuating mechanism, fixed connection is smashed net (20) on rotary rod (19).
2. The lead-free solder paste dispensing apparatus of claim 1, wherein: the first driving mechanism comprises a motor (5), a fourth gear (11) and a rotating shaft (12), the motor (5) is fixedly arranged at the upper end of a supporting plate (1) through a fixed plate (6), a first gear (8) is fixedly connected to an output shaft of the motor (5), a fixed sleeve (13) is fixedly arranged at the bottom of the supporting plate (1), the rotating shaft (12) penetrates through two fixed sleeves (13) and two ends of the rotating shaft (12) respectively and fixedly connected with a second gear (9) and a third gear (10), the first gear (8) is meshed with the second gear (9), the fourth gear (11) is rotatably connected to the outer wall of the shaft end of the dispersing cylinder (2), one end, close to the dispersing cylinder (2), of the fourth gear (11) is fixedly connected with a rotating plate (24), and a first transmission belt (14) is sleeved outside the third gear (10) and the fourth gear (11).
3. A lead-free solder paste dispensing apparatus as claimed in claim 2, wherein: the diameter of the first gear (8) is smaller than that of the second gear (9), and the diameter of the third gear (10) is smaller than that of the fourth gear (11).
4. A lead-free solder paste dispensing apparatus as claimed in claim 2, wherein: the second driving mechanism comprises a gear number five (15) and a gear number six (16), the gear number five (15) is fixedly connected to the tail end of an output shaft of the motor (5), the gear number six (16) is fixedly connected to one end of the rotating rod (19), and a second transmission belt (17) is sleeved outside the gear number five (15) and the gear number six (16).
5. The lead-free solder paste dispensing apparatus of claim 1, wherein: the motor is characterized in that a fixing frame (7) is fixedly installed on the supporting plate (1), a bearing is installed on the fixing frame (7), and the bearing is sleeved on an output shaft of the motor (5).
6. The lead-free solder paste dispensing apparatus of claim 1, wherein: the upper end of a dispersing cylinder (2) is provided with a feed inlet (21), the bottom of the dispersing cylinder (2) is provided with a discharge outlet (22), and valves are arranged in the feed inlet (21) and the discharge outlet (22).
7. The lead-free solder paste dispensing apparatus of claim 1, wherein: reinforcing ribs (25) are fixedly sleeved on the outer wall of the dispersing cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321792863.8U CN220370923U (en) | 2023-07-10 | 2023-07-10 | Lead-free solder paste dispersing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321792863.8U CN220370923U (en) | 2023-07-10 | 2023-07-10 | Lead-free solder paste dispersing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220370923U true CN220370923U (en) | 2024-01-23 |
Family
ID=89562171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321792863.8U Active CN220370923U (en) | 2023-07-10 | 2023-07-10 | Lead-free solder paste dispersing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220370923U (en) |
-
2023
- 2023-07-10 CN CN202321792863.8U patent/CN220370923U/en active Active
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