CN217375750U - Special oxygen-insulated vacuum feeding machine for 3D printing - Google Patents

Abstract

The utility model provides a 3D prints special oxygen-insulated vacuum material loading machine, includes the buffer memory feed bin, equal bolted connection has the feed bin fixing base on the perisporium of buffer memory feed bin, and the top fixedly connected with cartridge filter of buffer memory feed bin, beneficial effect are: fill inert gas (for example argon) into the buffer memory feed bin through inert gas fill mouth, then will exist originally through the inert gas discharge port and buffer memory feed bin and the air discharge in the cartridge filter, realize the oxygen-insulated environment, the inside airtight environment that is in of equipment after all valves are closed, stop the air admission, guarantee inside oxygen-insulated environment, accessible logic controller realizes automated control, fill inert gas and exhaust air automatically, automated inspection inside oxygen content, automatic feeding is unloaded, pressure differential transducer is through detecting the pressure differential of filtering the upper and lower ends of filter core, thereby detect and filter whether the filter core blocks up, when filtering the filter core and appearing the jam condition, the compressed air that accessible blowback gas bag stored carries out the blowback, clear up and filter the filter core.

Description

Special oxygen-insulated vacuum feeding machine for 3D printing

Technical Field

The utility model relates to a vacuum material loading machine technical field, concretely relates to 3D prints special anoxybiotic vacuum material loading machine.

Background

The vacuum feeding machine is a conveying device for conveying particles and powdery materials by means of vacuum suction, and is widely applied to the fields of production and scientific research of products such as medicines, foods, chemical industry, ceramics, feeds and the like.

Along with the rapid development of the 3D printing industry, the mode that the 3D printer adopts vacuum material loading machine to supply powder also receives the extensive concern of trade more and more, however 3D prints required powdered raw materials and usually need supply the 3D printer in the anoxybiotic environment, otherwise can appear that the raw materials powder is oxidized to the quality of the product of being printed is influenced, this just requires vacuum material loading machine to supply powder for the printer under the anoxybiotic environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 3D prints special oxygen-insulated vacuum material loading machine, main solution adopt vacuum material loading machine when supplying powder for the 3D printer, the raw materials powder is easily by the oxidation, and then the influence is printed product quality, has the extravagant problem of raw materials powder simultaneously.

The utility model provides a technical scheme that technical problem adopted is: the utility model provides a special anoxybiotic vacuum material loading machine of 3D printing which includes: the buffer memory feed bin, equal bolted connection has the feed bin fixing base on the perisporium of buffer memory feed bin, the top fixedly connected with cartridge filter of buffer memory feed bin, the top of cartridge filter is connected with the top cap through the pivot, oxygen concentration sensor is installed on the top of top cap, the top welding of top cap has the blowback gas bag, one side of cartridge filter and buffer memory feed bin is equipped with pressure differential sensor, pressure differential sensor passes through the trachea and is connected with top cap and cartridge filter respectively.

Preferably, install in the cartridge filter and filter the filter core, and filter the filter core and keep apart cartridge filter upper and lower open-ended, the upper shed and the top cap of cartridge filter pass through clamp connection, the lower open-ended of cartridge filter passes through clamp connection with the buffer memory feed bin, the lateral wall welding of cartridge filter has the mouth of pipe that is used for the installation.

Preferably, one side of the filter cylinder is provided with a feed valve, and the feed valve is connected with a pipe orifice on the side wall of the filter cylinder.

Preferably, an inert gas filling port is formed in the top of the buffer storage bin, and an inert gas discharging port is formed in the top of the top cover.

Preferably, one side of buffer memory feed bin is equipped with the bulkhead vibrator, the bulkhead vibrator is installed under the buffer memory feed bin on the mount pad that sets up on the conic section, a lateral wall mounting of buffer memory feed bin has level sensor.

Preferably, a discharge valve (14) is arranged on a pipe orifice at the bottom of the buffer storage bin (1).

Preferably, one side of the differential pressure sensor is provided with a vacuumizing valve, and the vacuumizing valve is connected with the cache bin through a pipeline.

The utility model has the advantages of it is following:

1. inert gas (such as argon) is filled into the cache bin through the inert gas filling port, and then air originally existing in the cache bin and the filter cylinder is discharged through the inert gas discharging port, so that an oxygen-insulated environment is realized.

2. When all valves are closed, the interior of the equipment is in a closed environment, so that air is prevented from entering the equipment, and the oxygen-insulated environment in the equipment is ensured.

3. Automatic control can be realized through a logic controller, inert gas is automatically filled and air is automatically discharged, the internal oxygen content is automatically detected, and automatic feeding and discharging are realized.

4. The pressure difference sensor detects the pressure difference between the upper end and the lower end of the filter element, so as to detect whether the filter element is blocked.

5. When the filter element is blocked, the compressed air stored in the back blowing air bag can be used for back blowing to clean the filter element.

Drawings

Fig. 1 is a schematic view of an overall structure of a special anaerobic vacuum feeder for 3D printing according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural view of a 3D printing special anaerobic vacuum feeder according to a preferred embodiment of the present invention;

fig. 3 is a schematic side view of a special anaerobic vacuum feeder for 3D printing according to a preferred embodiment of the present invention;

fig. 4 is a schematic top view of a 3D printing special anaerobic vacuum feeder according to a preferred embodiment of the present invention.

Description of reference numerals:

1. caching a stock bin; 2. a vacuum pumping valve; 3. an oxygen concentration sensor; 4. a back-blowing air bag; 5. a filter cartridge; 6. a differential pressure sensor; 7. a feed valve; 8. an inert gas charging port; 9. an inert gas discharge port; 10. a top cover; 11. a stock bin fixing seat; 12. a bin wall vibrator; 13. a level sensor; 14. a discharge valve.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a special oxygen-insulated vacuum feeding machine of 3D printing, including buffer memory feed bin 1, equal bolted connection has feed bin fixing base 11 on buffer memory feed bin 1's the perisporium, buffer memory feed bin 1's top fixedly connected with cartridge filter 5, cartridge filter 5's top is connected with top cap 10 through the pivot, oxygen concentration sensor 3 is installed on top cap 10's top, top cap 10's top welding has blowback gas bag 4, one side of cartridge filter 5 and buffer memory feed bin 1 is equipped with pressure differential sensor 6, pressure differential sensor 6 passes through the trachea and is connected with top cap 10 and cartridge filter 5 respectively.

One side of the filter cartridge 5 is provided with a feed valve 7, and the feed valve 7 is connected with a pipe orifice on the side wall of the filter cartridge 5.

Install in cartridge filter 5 and filter the filter core, and filter the filter core and keep apart cartridge filter 5 upper and lower open-ended, the upper shed and the top cap 10 of cartridge filter 5 pass through the clamp connection, and the lower open-ended of cartridge filter 5 passes through the clamp connection with buffer memory feed bin 1, and the side wall welding of cartridge filter 5 has the mouth of pipe that is used for the installation.

One side of buffer memory feed bin 1 is equipped with bulkhead vibrator 12, and bulkhead vibrator 12 installs on the mount pad that sets up on buffer memory feed bin 1 lower cone, installs level sensor 13 on one side wall of buffer memory feed bin 1.

The top of the buffer storage bin 1 is provided with an inert gas filling port 8, and the top of the top cover 10 is provided with an inert gas discharging port 9.

One side of the differential pressure sensor 6 is provided with a vacuum pumping valve 2, and the vacuum pumping valve 2 is connected with the cache bin 1 through a pipeline.

The discharge valve 14 is mounted on a nozzle at the bottom of the buffer silo 1.

The working principle is as follows: during the use, fix this equipment in the 3D printer frame, the blow off valve 14 is connected with the 3D printer print the storehouse, evacuation valve 2 passes through the pipe connection with negative-pressure air fan, inert gas fills the mouth 8 and connects the trachea and fills inert gas, and the air in buffer memory feed bin 1 and the cartridge filter 5 is discharged to inert gas discharge port 9, and oxygen content sensor monitors the inside oxygen content of equipment in real time, and when oxygen content reached a definite value, inert gas fills and stops with the discharge, realizes the oxygen-insulated environment.

During the material loading, feed valve 7 opens, and negative-pressure air fan induced air inhales the material from the equipment feed inlet, and when the air current drove the material through filtering the filter core, the material was intercepted and fallen into in the buffer memory feed bin 1 to the separation of material and air current has been realized. When the buffer storage bin 1 is full of materials, the material level sensor 13 feeds back the materials and stops feeding. And after the feeding is finished, the vacuum pumping valve 2 and the feeding valve 7 are closed, and after the feeding is finished, the discharging valve 14 is opened to supply materials to the 3D printer.

Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect: the embodiment of the utility model provides a pair of special oxygen-insulated vacuum material loading machine is printed to 3D can supply the powder for the 3D printer under the oxygen-insulated environment to avoid raw materials powder to be oxidized easily problem, improved and printed product quality, reduced raw materials powder's waste.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (7)

1. The utility model provides a special anoxybiotic vacuum material loading machine of 3D printing which characterized in that includes: buffer memory feed bin (1), equal bolted connection has feed bin fixing base (11) on the perisporium of buffer memory feed bin (1), the top fixedly connected with cartridge filter (5) of buffer memory feed bin (1), the top of cartridge filter (5) is connected with top cap (10) through the pivot, oxygen concentration sensor (3) are installed on the top of top cap (10), the top welding of top cap (10) has blowback gas bag (4), one side of cartridge filter (5) and buffer memory feed bin (1) is equipped with pressure differential sensor (6), pressure differential sensor (6) are connected with top cap (10) and cartridge filter (5) respectively through the trachea.

2. The oxygen-insulation vacuum feeder special for 3D printing as claimed in claim 1, wherein a filter element is installed in the filter cartridge (5) and separates the upper opening and the lower opening of the filter cartridge (5), the upper opening of the filter cartridge (5) is connected with the top cover (10) through a clamp, the lower opening of the filter cartridge (5) is connected with the buffer storage bin (1) through a clamp, and a pipe orifice for installation is welded on the side wall of the filter cartridge (5).

3. The anaerobic vacuum feeder special for 3D printing as claimed in claim 2, characterized in that a feed valve (7) is arranged on one side of the filter cartridge (5), and the feed valve (7) is connected with a nozzle on the side wall of the filter cartridge (5).

4. The oxygen-insulated vacuum feeder special for 3D printing according to claim 1, characterized in that the top of the buffer storage bin (1) is provided with an inert gas inlet (8), and the top of the top cover (10) is provided with an inert gas outlet (9).

5. The oxygen-insulated vacuum feeder special for 3D printing according to claim 1, characterized in that a bin wall vibrator (12) is arranged on one side of the buffer storage bin (1), the bin wall vibrator (12) is installed on a mounting seat arranged on a lower conical section of the buffer storage bin (1), and a material level sensor (13) is installed on one side wall of the buffer storage bin (1).

6. The oxygen-insulated vacuum feeder special for 3D printing as claimed in claim 1, characterized in that a discharge valve (14) is installed on the nozzle at the bottom of the buffer storage bin (1).

7. The oxygen-insulated vacuum feeder special for 3D printing according to claim 1, characterized in that one side of the differential pressure sensor (6) is provided with a vacuum-pumping valve (2), and the vacuum-pumping valve (2) is connected with the buffer storage bin (1) through a pipeline.

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