CN220111885U - Liquid discharge device with buffering function - Google Patents
Liquid discharge device with buffering function Download PDFInfo
- Publication number
- CN220111885U CN220111885U CN202321457391.0U CN202321457391U CN220111885U CN 220111885 U CN220111885 U CN 220111885U CN 202321457391 U CN202321457391 U CN 202321457391U CN 220111885 U CN220111885 U CN 220111885U
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- CN
- China
- Prior art keywords
- buffer
- liquid discharge
- space
- water pump
- liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 73
- 230000003139 buffering effect Effects 0.000 title claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 abstract description 8
- 238000010146 3D printing Methods 0.000 description 3
- 238000007605 air drying Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a liquid discharge device with a buffering function, which comprises a cleaning tank, a buffering container, a buffering tube, a water pump and a liquid discharge tube which are sequentially communicated; when the water pump stops working, the cleaning liquid in the liquid discharge pipe flows back into the buffer pipe and/or the buffer container. The cleaning solution that can buffer storage from the fluid-discharge tube backward flow reduces and avoids the cleaning solution backward flow to the washing tank bottom even, reduces the risk that the cleaning solution was radiated to, has reduced the risk that the water pump blockked up, has improved the advantage of operating stability.
Description
Technical Field
The utility model relates to the technical field of post-processing equipment of a 3D printing model.
Background
In a photo-curing 3D printer, the following problems exist with using photosensitive resin as a model of 3D printing consumables:
after printing, cleaning is needed, otherwise, a plurality of photosensitive resins exist on the surface of the model, and the model belongs to liquid. The model needs to be cleaned by a 3D printing model cleaner. In order to be more convenient for users, many designers design automatic cleaning machines, and the automatic cleaning machines have a function of automatically discharging cleaning liquid.
There is a scheme in which cleaning liquid is pumped out by a water pump in a technology for automatically discharging the cleaning liquid. However, when a water pump is selected, the following problems exist: 1. when the diaphragm pump is adopted, the water pump is blocked due to the particles in the cleaning liquid, and the water pumping function is lost. 2. When the centrifugal pump is adopted, because the clearance between the impeller and the pump body of the centrifugal pump is relatively large, when the centrifugal pump stops working, the cleaning liquid in the liquid discharge pipe can flow back to the bottom of the cleaning tank. When carrying out the secondary photocuring of next step, ultraviolet light can radiate the washing liquid that flows back to the washing tank bottom for the photosensitive resin that dissolves in the washing liquid solidifies, not only influences pleasing to the eye, and the focus can form bigger particulate matter, thereby can lead to the water pump to block up, still can influence the air-drying rate in the air-drying, because the washing liquid main part is alcohol, alcohol volatilizes very easily, and the washing liquid of washing tank bottom is too much, can make evaporation to the model surface, has reduced the air-drying rate of model.
Disclosure of Invention
The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing the liquid draining device with the buffer function, which can buffer and store the cleaning liquid flowing back from the liquid draining pipe, reduce or even avoid the cleaning liquid flowing back to the bottom of the cleaning tank, reduce the risk of the cleaning liquid being radiated, reduce the risk of blocking a water pump and improve the operation stability.
The technical scheme adopted by the utility model is as follows:
the liquid draining device with the buffering function comprises a cleaning tank, a buffering container, a buffering tube, a water pump and a liquid draining tube which are sequentially communicated; when the water pump stops working, the cleaning liquid in the liquid discharge pipe flows back into the buffer pipe and/or the buffer container.
A first space is arranged in the cleaning tank; the bottom of the cleaning tank is provided with a first hole communicated with the first space and the outside of the cleaning tank; the buffer container is fixed in a first hole formed in the cleaning tank through a screw.
A second space is arranged in the buffer container; the outer side wall of the buffer container is provided with an interface which is communicated with the second space; the buffer is provided with an opening communicated with the second space, and the inner side wall of the opening is provided with inner threads; one end of the screw is arranged in the cleaning tank and above the first hole, the other end of the screw is provided with an outer screw thread, and the outer screw thread arranged on the screw is connected with an inner screw thread arranged on the opening of the buffer container.
The outer surface of the interface of the buffer container is provided with a plurality of flanges distributed in an array.
One end of the buffer tube is sleeved on the outer surface of the interface of the buffer container; the water pump is provided with a water inlet and a water outlet; the other end of the buffer tube is sleeved at a water inlet of the water pump.
One end of the liquid discharge pipe is sleeved at a water outlet of the water pump.
The buffer tube is internally provided with a third space; the inside of the liquid discharge pipe is a fourth space; the sum of the second space volume arranged in the buffer container and the third space volume arranged in the buffer tube is larger than the fourth space volume arranged in the liquid discharge tube.
The second space volume arranged in the buffer container is smaller than the first space volume arranged in the cleaning tank.
The water pump is a centrifugal pump.
The buffer container is arranged below the cleaning tank, and the buffer tube is arranged below the cleaning tank.
The cleaning liquid in the first space inside the cleaning tank flows into the buffer container, the buffer tube and the water pump in sequence under the action of gravity. When the centrifugal water pump works, the cleaning liquid of the centrifugal water pump is pumped to the liquid discharge pipe to be discharged.
When the centrifugal pump stops working, and when the liquid level of the liquid in the liquid discharge pipe is higher than that of the water pump, the liquid in the liquid discharge pipe flows back, and the space in the buffer container and the buffer pipe is enough for containing the cleaning liquid in the liquid discharge pipe, so that the cleaning liquid cannot or is reduced from flowing back into the cleaning tank.
The beneficial effects of the utility model are as follows: the cleaning solution that can buffer storage from the fluid-discharge tube backward flow reduces and avoids the cleaning solution backward flow to the washing tank bottom even, reduces the risk that the cleaning solution was radiated to, has reduced the risk that the water pump blockked up, has improved the advantage of operating stability.
Drawings
FIG. 1 is a schematic diagram of the overall construction principle of the present utility model;
FIG. 2 is a schematic view of the principle of the structure of the screw according to the present utility model;
fig. 3 is a schematic view of the present utility model illustrating the connection relationship between the cleaning tank and the buffer container by being cut away.
Detailed Description
As shown in fig. 1, 2 and 3, the liquid discharge device with the buffering function comprises a cleaning tank 1, a buffering container 2, a buffering tube 3, a water pump 4 and a liquid discharge tube 5 which are sequentially communicated; when the water pump 4 stops working, the cleaning liquid in the liquid discharge pipe 5 flows back into the buffer pipe 3 and/or the buffer container 2.
A first space is arranged inside the cleaning tank 1; the bottom of the cleaning tank 1 is provided with a first hole communicated with the first space and the outside of the cleaning tank 1; the buffer container 2 is fixed to a first hole provided in the cleaning tank 1 by a screw 6.
A second space is arranged inside the buffer container 2; the outer side wall of the buffer container 2 is provided with an interface which is communicated with the second space; the buffer is provided with an opening communicated with the second space, and the inner side wall of the opening is provided with inner threads; one end of the screw 6 is arranged in the cleaning tank 1 and above the first hole, the other end of the screw 6 is provided with an outer screw thread, and the outer screw thread arranged on the screw 6 is connected with an inner screw thread arranged on the opening of the buffer container 2.
The outer surface of the interface provided by the buffer container 2 is provided with a plurality of flanges distributed in an array.
One end of the buffer tube 3 is sleeved on the outer surface of the interface of the buffer container 2; the water pump 4 is provided with a water inlet and a water outlet; the other end of the buffer tube 3 is sleeved at a water inlet of the water pump 4.
One end of the liquid discharge pipe 5 is sleeved at a water outlet of the water pump 4.
Inside the buffer tube 3 is a third space; a fourth space is formed inside the liquid discharge pipe 5; the sum of the second volume of space provided inside the buffer vessel 2 and the third volume of space provided inside the buffer tube 3 is larger than the fourth volume of space provided inside the drain tube 5.
The second space volume provided inside the buffer container 2 is smaller than the first space volume provided inside the cleaning tank 1.
The water pump 4 is a centrifugal pump.
The buffer container 2 is arranged below the cleaning tank 1, and the buffer tube 3 is arranged below the cleaning tank 1.
The cleaning liquid in the first space inside the cleaning tank 1 flows into the buffer container 2, the buffer tube 3 and the water pump 4 in sequence under the action of gravity. When the centrifugal water pump 4 is operated, the cleaning liquid of the centrifugal water pump 4 is pumped to the liquid discharge pipe 5 to be discharged.
When the centrifugal pump is stopped and when the liquid level of the liquid in the liquid discharge pipe 5 is higher than that of the water pump 4, the liquid in the liquid discharge pipe 5 flows back, and the space in the buffer container 2 and the buffer pipe 3 is enough for containing the cleaning liquid in the liquid discharge pipe 5, so that the cleaning liquid does not flow back into the cleaning tank 1 or is reduced.
The beneficial effects of the utility model are as follows: the cleaning solution capable of being buffered and stored and reflowed from the liquid discharge pipe 5 can reduce and even avoid the cleaning solution from reflowing to the bottom of the cleaning tank 1, reduce the risk of the cleaning solution being radiated, reduce the risk of blocking the water pump 4 and improve the running stability.
Claims (9)
1. Liquid discharging device with buffer function, its characterized in that: comprises a cleaning tank, a buffer container, a buffer tube, a water pump and a liquid discharge tube which are communicated in sequence; when the water pump stops working, the cleaning liquid in the liquid discharge pipe flows back into the buffer pipe and/or the buffer container.
2. The liquid discharging apparatus with a buffering function according to claim 1, wherein: a first space is arranged in the cleaning tank; the bottom of the cleaning tank is provided with a first hole communicated with the first space and the outside of the cleaning tank; the buffer container is fixed in a first hole formed in the cleaning tank through a screw.
3. The liquid discharging apparatus with a buffering function according to claim 2, wherein: a second space is arranged in the buffer container; the outer side wall of the buffer container is provided with an interface which is communicated with the second space; the buffer is provided with an opening communicated with the second space, and the inner side wall of the opening is provided with inner threads; one end of the screw is arranged in the cleaning tank and above the first hole, the other end of the screw is provided with an outer screw thread, and the outer screw thread arranged on the screw is connected with an inner screw thread arranged on the opening of the buffer container.
4. The liquid discharge apparatus having a buffer function according to claim 3, wherein: the outer surface of the interface of the buffer container is provided with a plurality of flanges distributed in an array.
5. The liquid discharge apparatus with a buffer function according to claim 4, wherein: one end of the buffer tube is sleeved on the outer surface of the interface of the buffer container; the water pump is provided with a water inlet and a water outlet; the other end of the buffer tube is sleeved at a water inlet of the water pump.
6. The liquid discharge apparatus with a buffer function according to claim 5, wherein: one end of the liquid discharge pipe is sleeved at a water outlet of the water pump.
7. The liquid discharge apparatus with a buffer function according to claim 6, wherein: the buffer tube is internally provided with a third space; the inside of the liquid discharge pipe is a fourth space; the sum of the second space volume arranged in the buffer container and the third space volume arranged in the buffer tube is larger than the fourth space volume arranged in the liquid discharge tube.
8. The liquid discharge apparatus with a buffer function according to claim 7, wherein: the second space volume arranged in the buffer container is smaller than the first space volume arranged in the cleaning tank.
9. The liquid discharge device with a buffer function according to any one of claims 1 to 8, characterized in that: the water pump is a centrifugal pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321457391.0U CN220111885U (en) | 2023-06-09 | 2023-06-09 | Liquid discharge device with buffering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321457391.0U CN220111885U (en) | 2023-06-09 | 2023-06-09 | Liquid discharge device with buffering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220111885U true CN220111885U (en) | 2023-12-01 |
Family
ID=88916372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321457391.0U Active CN220111885U (en) | 2023-06-09 | 2023-06-09 | Liquid discharge device with buffering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220111885U (en) |
-
2023
- 2023-06-09 CN CN202321457391.0U patent/CN220111885U/en active Active
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