CN214027259U - Device for synchronously recycling excessive powder in 3d printing process - Google Patents
Device for synchronously recycling excessive powder in 3d printing process Download PDFInfo
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- CN214027259U CN214027259U CN202022994297.1U CN202022994297U CN214027259U CN 214027259 U CN214027259 U CN 214027259U CN 202022994297 U CN202022994297 U CN 202022994297U CN 214027259 U CN214027259 U CN 214027259U
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Abstract
The utility model discloses a 3d prints device that synchronous excessive powder of in-process was retrieved, which comprises a bracket, the welding of support upper end has the frame, through-hole department on the frame is provided with first vacuum joint, frame and dust cap subassembly are connected, the inside sieving mechanism that is used for the powder screening to filter that is provided with of frame, be connected with ultrasonic transducer on the sieving mechanism, the large granule export that corresponds with second vacuum joint that is provided with on the sieving mechanism, first vacuum joint is located the frame middle part, second vacuum joint is located the one side of keeping away from the frame middle part. The utility model discloses, this equipment passes through the recovery storehouse of pipe and printer and connects, can realize printing and sieve the synchronous going on of powder, sieve powder in-process large granule and fine particle separation, get into respectively in the different containers. The powder screening efficiency is guaranteed, the requirement for long-time continuous production can be met, the screen mesh adopts ultrasonic vibration as power, and specially-adjusted pulse parameters can maximize the powder screening efficiency.
Description
Technical Field
The utility model relates to a printer technical field specifically is a 3d prints device that excessive powder was retrieved in step of in-process.
Background
During the printing process of the powder bed spreading powder 3 d. The amount of powder dosed will be greater than the powder demand. Excess powder will collect in the powder recovery bin. When the height of a printed product is higher, a large amount of powder can be accumulated in the recovery bin, and difficulty is brought to powder turnover. At this time, the operator is required to take out the powder and sieve the powder to obtain fine powder which can be used continuously, and the fine powder is supplemented to the place where the powder is required. This process is time consuming and labor intensive, and often delays production schedules. And the powder screening system popular in the market has large volume, large noise and inconvenient operation. Affecting the cleanness of the operation workshop. In some enterprises, screening and printing are often divided into two workshops to achieve grade improvement in workshop appearance, but the operation is more inconvenient.
Therefore, a solution is needed to achieve the purpose of synchronously screening powder in the printing process, so that the powder can be directly obtained from the powder collecting tank when new powder needs to be added.
The current general solution is: firstly, the excessive powder collecting tank is used for collecting the coarse and fine particles together, and then manual sieving or manual introduction of ultrasonic waves/mechanical vibration sieves is carried out for sieving. This method is inefficient and requires a lot of manpower and time. Integration of processes and devices is therefore required. At present, most of ultrasonic vibration sieves on the market are independent equipment combining ultrasonic waves and mechanical vibration. The filtering efficiency is emphasized on one side, the noise is high, the vibration is strong, and the possibility of integration is not provided. Therefore, certain modification of the ultrasonic equipment is needed to meet the requirement of integration with the equipment. In addition, the traditional ultrasonic vibration sieve can generate a large amount of large particles to be remained on the upper surface of the filter screen when in work. These large particles obstruct the fine particles, passing through the screen and thus reducing the filtration efficiency. To improve the working efficiency of the ultrasonic vibration sieve, it is necessary to separate these large particles.
Because ultrasonic vibration sieve can produce certain vibrations and noise, when using in the workshop, all ultrasonic vibration need go on in step to avoid producing this jumble disorderly seeing and hearing impression. And to improve the working efficiency of the ultrasonic vibration screen. The vibration mode of the ultrasonic vibration screen also needs to be optimized. These two requirements require a control cabinet to accomplish.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 3d prints device that excessive powder was retrieved in step of in-process to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a 3d prints device that in-process synchronous excessive powder was retrieved, includes the support, the welding of support upper end has the frame, through-hole department on the frame is provided with first vacuum joint, frame and dust cap subassembly are connected, be provided with the material import on the dust cap subassembly, the inside sieving mechanism that is used for the powder screening to filter that is provided with of frame, be connected with ultrasonic transducer on the sieving mechanism, ultrasonic transducer and PLC switch board are connected, first vacuum joint switches on with the fine powder chamber that sieving mechanism and frame are constituteed, and second vacuum joint penetrates the frame and the sieving mechanism is connected, be provided with the large granule export that corresponds with second vacuum joint on the sieving mechanism, first vacuum joint is located the frame middle part, second vacuum joint is located the one side of keeping away from the frame middle part.
Preferably, the sieving mechanism includes screen cloth and ultrasonic wave rack, screen cloth and ultrasonic wave rack welding or bonding, the ultrasonic wave rack passes through connecting bolt and is connected with frame and ultrasonic transducer, the large granule export sets up on the screen cloth.
Preferably, the dust cap assembly is connected to the frame by a keeper clamp.
Preferably, the screen mesh is inclined at an angle of no more than 30 degrees to the horizontal.
Preferably, the support is provided with universal wheels.
Preferably, the frame is funnel-shaped.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, this equipment passes through the recovery storehouse of pipe and printer and connects, can realize printing and sieve the synchronous going on of powder, sieve powder in-process large granule and fine particle separation, get into respectively in the different containers. Both guaranteed sieve powder efficiency and can satisfy long-time continuous production's needs again, the screen cloth adopts ultrasonic vibration as power, and the pulse parameter of specially transferring can maximize the efficiency that promotes the sieve powder, and the complete equipment degree of automation is high, need not to consume too many operating personnel's time, and many vibration system simultaneous working are by the unified work rhythm of adjusting of PLC control system. The working noise of the lifting device is avoided, a pure ultrasonic vibration mode is adopted, mechanical vibration is not combined, the interference to the printer and the generated environmental noise are reduced to the maximum extent, and the operation is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a top view of the present invention.
In the figure: 1. a dust cover assembly; 2. a frame; 3. bolt type clamps; 4. a first vacuum connection; 5. a support; 6. an ultrasonic net rack; 7. a second vacuum connection; 8. and connecting the bolts.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a 3d prints device that in-process synchronous excessive powder was retrieved, which comprises a bracket 5, the welding of 5 upper ends of support has frame 2, big through-hole department on the frame 2 is provided with first vacuum joint 4, be provided with the material import on the dust cap subassembly 1, 2 inside being provided with of frame is used for the filterable sieving mechanism of powder screening, be connected with ultrasonic transducer on the sieving mechanism, ultrasonic transducer and PLC switch board are connected, first vacuum joint 4 switches on with the fine powder chamber that sieving mechanism and frame 2 are constituteed, second vacuum joint 7 penetrates frame 2 and sieving mechanism and is connected, be provided with the large granule export that corresponds with second vacuum joint 7 on the sieving mechanism, first vacuum joint 4 is located frame 2 middle part, second vacuum joint 7 is located the one side of keeping away from frame 2 frame middle part.
Specifically, the sieving mechanism includes screen cloth and ultrasonic wave rack 6, and 6 welding of screen cloth and ultrasonic wave rack or bonding, ultrasonic wave rack 6 pass through connecting bolt and be connected with frame 2 and ultrasonic transducer, and the large granule export sets up on the screen cloth.
Specifically, the dust cap assembly 1 is connected to the frame 2 by a keeper-type clamp 3.
Specifically, the inclination angle between the screen and the horizontal plane is not more than 30 degrees.
Specifically, universal wheels are mounted on the support 5.
In particular, the frame 2 is funnel-shaped.
The working principle is as follows: a rectangular screen is manufactured and placed in an inclined mode, and a large particle outlet is reserved on the screen. And a screen, an ultrasonic transducer and an ultrasonic sounder are connected above the waste powder collecting tank. The two are connected by a pipe and sealed. Ultrasonic transducer links to each other with the PLC switch board, realizes the unified control of many equipment, and work and intermittent type simultaneously avoid this to get together and lie prostrate. The ultrasonic generator is programmed so that the vibrations are pulsed vibrations. The period is 20 seconds per 5 minutes pulse;
the device is connected with an excessive powder collecting cavity of the equipment and sealed.
The printer starts the machine when it starts printing and when powder falls into the frame 2 it falls onto the screen, working every 5 minutes. Tiny granule in the powder can sieve gets into the powder collecting tank that can circulate, and the large granule can move downwards along the slope direction until moving to the large granule export and fall into the large granule collecting tank.
When the powder is needed to be used, the powder collecting tank can be directly opened for taking the powder without additional operation and waiting.
The powder in the large granule collecting tank can directly be emptied and scrapped.
The invention has the following advantages:
the equipment is connected with a recovery bin of the printer through a pipe, and synchronous printing and powder screening can be realized.
And separating large particles from fine particles in the powder sieving process, and respectively entering different containers. Not only ensures the powder sieving efficiency, but also meets the requirement of long-time continuous production.
The screen mesh adopts ultrasonic vibration as power, and specially adjusted pulse parameters can maximize the efficiency of screening powder.
The whole set of device has high automation degree and does not need to consume too much time of operators.
When a plurality of vibration systems work simultaneously, the work rhythm is uniformly adjusted by the PLC control system. The operating noise of such a tendency to rise from volts is avoided.
The pure ultrasonic vibration mode is adopted, mechanical vibration is not combined, and interference to the printer and generated environmental noise are reduced to the maximum extent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a 3d prints device that in-process synchronous excessive powder was retrieved, its characterized in that includes the support, the welding of support upper end has the frame, through-hole department on the frame is provided with first vacuum joint, frame and dust cap subassembly are connected, be provided with the material import on the dust cap subassembly, the inside sieving mechanism that is used for the powder screening to filter that is provided with of frame, be connected with ultrasonic transducer on the sieving mechanism, ultrasonic transducer and PLC switch board are connected, first vacuum joint switches on with the fine powder chamber that sieving mechanism and frame are constituteed, and second vacuum joint penetrates the frame and the sieving mechanism is connected, be provided with the large granule export that corresponds with second vacuum joint on the sieving mechanism, first vacuum joint is located the frame middle part, second vacuum joint is located the one side of keeping away from the frame middle part.
2. The device for synchronously recycling excessive powder in the 3d printing process, according to claim 1, is characterized in that: the sieving mechanism includes screen cloth and ultrasonic wave rack, screen cloth and ultrasonic wave rack welding or bonding, the ultrasonic wave rack passes through connecting bolt and is connected with frame and ultrasonic transducer, the large granule export sets up on the screen cloth.
3. The device for synchronously recycling excessive powder in the 3d printing process, according to claim 1, is characterized in that: the dust cover assembly is connected with the frame through a bolt type clamp.
4. The device for synchronously recycling excessive powder in the 3d printing process, according to claim 2, is characterized in that: the inclination angle between the screen and the horizontal plane is not more than 30 degrees.
5. The device for synchronously recycling excess powder in the 3d printing process according to any one of claims 1-4, wherein: the support is provided with universal wheels.
6. The device for synchronously recycling excess powder in the 3d printing process according to any one of claims 1-4, wherein: the frame is funnel-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022994297.1U CN214027259U (en) | 2020-12-14 | 2020-12-14 | Device for synchronously recycling excessive powder in 3d printing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022994297.1U CN214027259U (en) | 2020-12-14 | 2020-12-14 | Device for synchronously recycling excessive powder in 3d printing process |
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| CN214027259U true CN214027259U (en) | 2021-08-24 |
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| CN202022994297.1U Active CN214027259U (en) | 2020-12-14 | 2020-12-14 | Device for synchronously recycling excessive powder in 3d printing process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024012012A1 (en) * | 2022-07-13 | 2024-01-18 | 江苏大学 | Selective laser melting gradient powder recovery apparatus and recovery method |
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2020
- 2020-12-14 CN CN202022994297.1U patent/CN214027259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024012012A1 (en) * | 2022-07-13 | 2024-01-18 | 江苏大学 | Selective laser melting gradient powder recovery apparatus and recovery method |
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