CN219818328U - Negative pressure tin removing mechanism - Google Patents
Negative pressure tin removing mechanism Download PDFInfo
- Publication number
- CN219818328U CN219818328U CN202321357145.8U CN202321357145U CN219818328U CN 219818328 U CN219818328 U CN 219818328U CN 202321357145 U CN202321357145 U CN 202321357145U CN 219818328 U CN219818328 U CN 219818328U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- collecting box
- suction head
- slag collecting
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000002893 slag Substances 0.000 claims abstract description 61
- 239000013049 sediment Substances 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 abstract description 13
- 238000003466 welding Methods 0.000 abstract description 2
- 238000007790 scraping Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
The utility model relates to the technical field of tin removing machines, in particular to a negative pressure tin removing mechanism; the vacuum cleaner comprises a heat pipe and a negative pressure suction head, wherein the negative pressure suction head is arranged in the heat pipe, a gap channel is formed between the outer wall of the negative pressure suction head and the inner wall of the heat pipe, the negative pressure suction head is communicated with a vacuum generator, a slag collecting box is further communicated between the negative pressure suction head and the vacuum generator, the gap channel is communicated with a hot gas source, and the negative pressure suction head is exposed out of an air outlet of the gap channel; according to the utility model, the heat pipe, the negative pressure suction head and the clearance channel are arranged, the welding layer on the chip is melted by hot air, and then the solder balls are taken out by the negative pressure suction head.
Description
Technical Field
The utility model relates to the technical field of tin removing machines, in particular to a negative pressure tin removing mechanism.
Background
The tin remover is a device for removing tin; the existing tin remover generally adopts a tin scraping mode to scrape tin, but the tin removal by adopting the mode mainly solves the problems that: the solder removing height is deviated, so that the condition of scraping plates or scratching chips can occur, and the chips can be deformed; resulting in an increase in the defective rate of the product. Therefore, the negative pressure tin removing mechanism is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the negative-pressure tin removing mechanism, which can absorb soldering tin in a negative-pressure mode after improvement, prevent a scraping plate from scratching a chip and prevent the chip from deforming, further improve the production quality of the chip and reduce the defective rate.
The technical scheme of the utility model is as follows:
the utility model provides a negative pressure detinning mechanism, includes heat pipe and negative pressure suction head, the internally mounted of heat pipe has the negative pressure suction head, form the clearance passageway between the outer wall of negative pressure suction head and the inner wall of heat pipe, negative pressure suction head and vacuum generator intercommunication, still the intercommunication has a collection sediment box between negative pressure suction head and the vacuum generator, clearance passageway and hot gas source intercommunication, the negative pressure suction head exposes in clearance passageway air outlet.
Further, the tin removing mechanism further comprises a mechanism body, wherein a hot air channel communicated with the heat pipe is arranged on the mechanism body; the mechanism body is also provided with a negative pressure channel; the air inlet end of the negative pressure channel is communicated with the negative pressure suction head, and the air outlet end of the negative pressure channel is communicated with the slag collecting box.
Further, the hot air channel and the negative pressure channel are arranged side by side.
Further, the cross section of the hot air channel is arc-shaped, and the negative pressure channel is wrapped by the hot air channel.
Further, the slag collecting box is fixed with the mechanism body through clamping, so that the opening of the slag collecting box is abutted with the mechanism body.
Further, the slag collecting box is arranged on the mechanism body, a clamping piece is arranged at the joint between the mechanism body and the slag collecting box, and a limiting piece which is in butt joint with the clamping piece is arranged on the slag collecting box, so that the slag collecting box and the mechanism body are clamped, a convex ring positioned inside the slag collecting box is arranged on the mechanism body, and the convex ring is embedded into the slag collecting box.
Further, the inside of collection sediment box is provided with the cavity, the inside of cavity is provided with the filter screen, the filter screen divide into two parts with the cavity, and one part communicates with the mechanism body, and another part is connected with the outlet duct.
Further, the filter screen is of a double-layer filter screen structure, and the volume of a cavity communicated with the mechanism body of the slag collecting box is larger than that of a cavity connected with the air outlet pipe of the slag collecting box.
Further, a negative pressure monitor is arranged at the communicating part of the slag collecting box and the air outlet pipe.
Further, the outlet of the negative pressure channel is arranged to be a wide opening.
The beneficial effects of the utility model are as follows:
according to the utility model, the heat pipe, the negative pressure suction head and the clearance channel are arranged, the welding layer on the chip is melted by hot air, and then the solder balls are taken out by the negative pressure suction head.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
fig. 4 is another side cross-sectional view of the present utility model.
In the figure, 1, a heat pipe; 11. a negative pressure suction head; 12. a clearance channel; 2. a slag collecting box; 21. a cavity; 22. a filter screen; 23. an air outlet pipe; 3. a mechanism body; 31. a hot air channel; 32. a negative pressure channel; 33. opening; 34. a clamping piece; 35. a convex ring.
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in fig. 1-4, the negative pressure tin removing mechanism comprises a heat pipe 1 and a negative pressure suction head 11, wherein the negative pressure suction head 11 is installed in the heat pipe 1, a gap channel 12 is formed between the outer wall of the negative pressure suction head 11 and the inner wall of the heat pipe 1, the negative pressure suction head 11 is communicated with a vacuum generator, a slag collecting box 2 is further communicated between the negative pressure suction head 11 and the vacuum generator, the gap channel 12 is communicated with a hot gas source, and the negative pressure suction head 11 is exposed out of an air outlet of the gap channel 12. The working principle of the utility model is as follows: firstly, a vacuum generator (the vacuum generator is connected with an air inlet pipe and a negative pressure connecting pipe, the air inlet pipe is connected with an air source, the incoming air forms negative pressure after passing through the vacuum generator, and then the vacuum is pumped through the negative pressure connecting pipe, the negative pressure connecting pipe is communicated with a negative pressure suction head 11, so that the negative pressure suction head 11 can absorb solder balls on a chip) and a hot air source (the hot air source is communicated with a clearance channel 12, and hot air can be blown onto the chip through the clearance channel 12, so that a solder layer on the chip is melted, the solder balls are separated from the chip, and the negative pressure suction head 11 is convenient for absorbing); tin balls and tin slag sucked by the negative pressure suction head 11 can enter the slag collecting box 2 for collection; it should be noted that the main problems in the prior art are: the chip is scratched by the scraping plate due to the deviation of the tin removal height; therefore, after improvement, the solder balls are sucked in a mode of hot air spraying and negative pressure, so that chips can be effectively prevented from being scratched, deformation of the chips is prevented, the production quality of the chips is improved, and the defective rate is reduced.
It is worth mentioning that: because the negative pressure suction head 11 is arranged in the heat pipe 1, and the gap channel 12 is filled with hot air, on one hand, the temperature of the negative pressure suction head 11 can be raised, the situation that tin liquid is solidified when the negative pressure suction head 11 is sucked can be effectively avoided, and further the situation that the negative pressure suction head 11 is blocked is avoided; on the other hand, when the hot air is sprayed to the chip, the hot air is distributed around the chip, and a large amount of hot air is sucked into the negative pressure suction head 11 in the process of sucking the balls, so that the solidification condition of tin liquid can be effectively avoided, the negative pressure suction head 11 is not easy to be blocked by tin slag, and a small amount of tin slag is not easy to adhere to walls; thereby ensuring the negative pressure suction ball effect.
As a preferred embodiment; the tin removing mechanism further comprises a mechanism body 3, wherein a hot air channel 31 communicated with the heat pipe 1 is arranged on the mechanism body 3; the mechanism body 3 is also provided with a negative pressure channel 32; the air inlet end of the negative pressure channel 32 is communicated with the negative pressure suction head 11, and the air outlet end of the negative pressure channel 32 is communicated with the slag collecting box 2. It can be understood that the two parts of the heat pipe 1 and the slag collecting box 2 are integrally arranged on the mechanism body 3, so as to play a role in heat conduction; in addition, the tin removing mechanism is convenient to install on the tin removing device.
As a preferred embodiment; the hot air channel 31 and the negative pressure channel 32 are arranged side by side. The purpose of this design is: can further conduct heat.
As a preferred embodiment; the cross section of the hot air channel 31 is arc-shaped, and the negative pressure channel 32 is wrapped by the hot air channel 31. The purpose of this design is: and further heat conduction.
As a preferred embodiment; the slag collecting box 2 is fixedly clamped with the mechanism body 3, so that an opening of the slag collecting box 2 is abutted with the mechanism body 3; the slag collecting box 2 is arranged on the mechanism body 3, a clamping piece 34 is arranged at the joint between the mechanism body 3 and the slag collecting box 2, and a limiting piece which is abutted against the clamping piece 34 is arranged on the slag collecting box 2, so that the slag collecting box 2 is clamped with the mechanism body 3, a convex ring 35 positioned inside the slag collecting box 2 is arranged on the mechanism body 3, and the convex ring 35 is embedded into the slag collecting box 2. It can be understood that the joint between the mechanism body 3 and the slag collecting box 2 is provided with a clamping piece 34, the slag collecting box 2 can be clamped on the clamping piece 34 in a rotating manner, at this time, although a gap (the gap exists between the mechanism body 3 and the slag collecting box 2 and between the slag collecting box 2 and the convex ring 35) still exists between the slag collecting box 2 and the mechanism body 3, in the process of introducing hot air, the temperature of the whole slag collecting box 2 and the mechanism body 3 will rise, and according to the principle of thermal expansion and cold contraction, the slag collecting box 2 can be in interference fit with the mechanism body 3, so that the gap between the mechanism body 3 and the slag collecting box 2 and the convex ring 35 is eliminated, and the sealing performance between the slag collecting box 2 and the mechanism body 3 is better.
As a preferred embodiment; the interior of the slag collecting box 2 is provided with a cavity 21, the interior of the cavity 21 is provided with a filter screen 22, the filter screen 22 divides the cavity 21 into two parts, one part is communicated with the mechanism body 3, and the other part is connected with an air outlet pipe 23. It will be appreciated that during the negative pressure suction process, the sucked solder balls and solder slag will enter the interior of the slag collecting box 2, and the solder balls and solder slag stay in the interior of the slag collecting box 2 by the blocking of the filter screen 22, so as to facilitate the collection of solder balls and solder slag.
As a preferred embodiment; the filter screen 22 is of a double-layer filter screen structure, and the volume of a cavity 21 communicated with the mechanism body 3 of the slag collecting box 2 is larger than that of the cavity 21 of the air outlet pipe 23 connected with the slag collecting box 2. The purpose of this design is: the filter screen 22 has a double-layer filter screen structure, so that the filtering effect can be improved; in addition, the part for collecting the tin balls and tin slag is a large cavity 21, which is more beneficial to collecting more tin balls and tin slag.
As a preferred embodiment; the part of the slag collecting box 2 communicated with the air outlet pipe 23 is provided with a negative pressure monitor. Through being equipped with the negative pressure monitor, can monitor the size of atmospheric pressure through the negative pressure monitor, when the atmospheric pressure value of monitoring is between 70-80pa, indicate that the distance between negative pressure suction head 11 and the tin ball is 0.1-0.2mm to the position of negative pressure suction head 11 is controlled through the size of atmospheric pressure, makes it can be located the best sediment position of inhaling, ensures the effect of detinning.
As a preferred embodiment; the outlet of the negative pressure channel 32 is provided with a wide opening 33. The purpose of this design is: the blocking is not easy to occur, and the slag sucking efficiency can be quickened.
The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (10)
1. The utility model provides a negative pressure detinning mechanism which characterized in that: the vacuum cleaner comprises a heat pipe and a negative pressure suction head, wherein the negative pressure suction head is arranged in the heat pipe, a gap channel is formed between the outer wall of the negative pressure suction head and the inner wall of the heat pipe, the negative pressure suction head is communicated with a vacuum generator, a slag collecting box is further communicated between the negative pressure suction head and the vacuum generator, the gap channel is communicated with a hot air source, and the negative pressure suction head is exposed out of an air outlet of the gap channel.
2. A negative pressure detinning apparatus as claimed in claim 1, wherein: the tin removing mechanism further comprises a mechanism body, wherein a hot air channel communicated with the heat pipe is arranged on the mechanism body; the mechanism body is also provided with a negative pressure channel; the air inlet end of the negative pressure channel is communicated with the negative pressure suction head, and the air outlet end of the negative pressure channel is communicated with the slag collecting box.
3. A negative pressure detinning apparatus as claimed in claim 2, wherein: the hot air channel and the negative pressure channel are arranged side by side.
4. A negative pressure detinning apparatus as claimed in claim 3, wherein: the cross section of the hot air channel is arc-shaped, and the negative pressure channel is wrapped by the hot air channel.
5. The negative pressure detinning apparatus of claim 4, wherein: the slag collecting box is fixed with the mechanism body through clamping, so that an opening of the slag collecting box is abutted with the mechanism body.
6. The negative pressure detinning apparatus of claim 5, wherein: the slag collecting box is arranged on the mechanism body, a clamping piece is arranged at the joint between the mechanism body and the slag collecting box, and a limiting piece which is in butt joint with the clamping piece is arranged on the slag collecting box, so that the slag collecting box is clamped with the mechanism body, a convex ring positioned inside the slag collecting box is arranged on the mechanism body, and the convex ring is embedded into the slag collecting box.
7. A negative pressure detinning apparatus as claimed in claim 1, wherein: the inside of album sediment box is provided with the cavity, the inside of cavity is provided with the filter screen, the filter screen divide into two parts with the cavity, and one part communicates with the mechanism body, and another part is connected with the outlet duct.
8. The negative pressure detinning apparatus of claim 7, wherein: the filter screen is double-deck filter screen structure, collect sediment box and the cavity volume of mechanism body intercommunication is greater than the cavity volume that album sediment box connects the outlet duct.
9. A negative pressure detinning apparatus as claimed in claim 1, wherein: and a negative pressure monitor is arranged at the communicating part of the slag collecting box and the air outlet pipe.
10. A negative pressure detinning apparatus as claimed in claim 2, wherein: the outlet of the negative pressure channel is arranged in a wide opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357145.8U CN219818328U (en) | 2023-05-31 | 2023-05-31 | Negative pressure tin removing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357145.8U CN219818328U (en) | 2023-05-31 | 2023-05-31 | Negative pressure tin removing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219818328U true CN219818328U (en) | 2023-10-13 |
Family
ID=88250026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321357145.8U Active CN219818328U (en) | 2023-05-31 | 2023-05-31 | Negative pressure tin removing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219818328U (en) |
-
2023
- 2023-05-31 CN CN202321357145.8U patent/CN219818328U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |