CN215356187U - Powder feeding device of material increasing and decreasing machining center - Google Patents
Powder feeding device of material increasing and decreasing machining center Download PDFInfo
- Publication number
- CN215356187U CN215356187U CN202120848598.5U CN202120848598U CN215356187U CN 215356187 U CN215356187 U CN 215356187U CN 202120848598 U CN202120848598 U CN 202120848598U CN 215356187 U CN215356187 U CN 215356187U
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- powder feeding
- powder
- driving
- driving box
- rotary table
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- 239000000843 powder Substances 0.000 title claims abstract description 127
- 239000000463 material Substances 0.000 title claims abstract description 17
- 230000003247 decreasing effect Effects 0.000 title claims abstract description 8
- 239000000654 additive Substances 0.000 claims description 12
- 230000000996 additive effect Effects 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a powder feeding device of a material increasing and decreasing machining center, which comprises: a base; the top of the driving box is provided with a discharge hole which is connected with a powder feeding pipe; the lifting shell is arranged at the top of the driving box and forms a powder conveying cavity together with the top of the driving box; a lifting driving device for driving the lifting shell to lift is arranged in the driving box; the rotary table is arranged in the powder feeding cavity, and the bottom of the rotary table is attached to the top of the driving box; the edge of the rotary table is provided with at least one powder feeding notch which can be communicated with the discharge hole when the rotary table rotates in place; a first motor for driving the rotary disc to rotate is arranged in the driving box; the powder storage barrel is arranged at the top of the lifting shell, a feeding pipe is arranged at the lower end of the lifting shell, the feeding pipe extends into the powder feeding cavity, and the outlet of the feeding pipe is arranged at the radial position of the rotary table and the radial position of the powder feeding notch of the rotary table are the same; the outlet of the feeding pipe is staggered with the discharging hole; the air pump is used for supplying air to the powder feeding cavity; the powder feeding device is convenient for cleaning the turntable.
Description
Technical Field
The utility model relates to the technical field of material increasing and decreasing processing equipment, in particular to a powder feeding device of a material increasing and decreasing processing center.
Background
The additive machining center is equipment integrating additive machining functions and subtractive machining functions, wherein in the additive machining process, metal powder is mainly irradiated by laser to be melted, so that the metal powder is stacked layer by layer according to a preset route to form a workpiece. A powder feeder is generally provided in the additive machining center to feed metal powder to the additive machining module. At present, the material increase and decrease machining center mostly adopts a rotating disc type powder feeding device to feed powder, and the rotating disc type powder feeding device has the effect of quantitative powder feeding, but the rotating disc is generally arranged in a sealed powder feeding cavity, is difficult to clean, is easy to accumulate residual metal powder, and easily causes cross contamination when the type of the metal powder is changed.
Thus, the prior art is in need of improvement and advancement.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the embodiment of the application aims to provide the powder feeding device of the material increasing and decreasing machining center, and the rotary table of the powder feeding device is convenient to clean.
The utility model provides a powder feeding device of increase and decrease material machining center includes:
a base;
the driving box is arranged on the base, a discharge hole is formed in the top of the driving box, and the discharge hole is connected with a powder feeding pipe;
the lifting shell is arranged at the top of the driving box in a lifting manner and forms a powder feeding cavity together with the top of the driving box; a lifting driving device for driving the lifting shell to lift is arranged in the driving box;
the rotary table is arranged in the powder feeding cavity, and the bottom of the rotary table is attached to the top of the driving box; at least one powder feeding notch is formed in the edge of the rotary disc and can be communicated with the discharge hole when the rotary disc rotates in place; a first motor for driving the rotary disc to rotate is arranged in the driving box;
the powder storage barrel is arranged at the top of the lifting shell, a feeding pipe is arranged at the lower end of the lifting shell, the feeding pipe extends into the powder feeding cavity, and the outlet of the feeding pipe is arranged at the radial position of the rotary table and is the same as the radial position of the powder feeding notch on the rotary table; the outlet of the feeding pipe is staggered with the discharge hole;
and the air pump is used for supplying air to the powder feeding cavity.
The powder feeding device of the material increase and decrease machining center provided by the embodiment of the application can be used for driving the lifting shell to ascend through the lifting driving device when the rotating disc needs to be cleaned, so that the rotating disc can be exposed, and the rotating disc is conveniently cleaned.
Preferably, the first motor drives the turntable to rotate through a driving shaft, a hexagonal mounting hole is formed in the center of the turntable, a hexagonal connecting part matched with the hexagonal mounting hole is arranged at the upper part of the driving shaft, and a threaded connecting part is arranged at the upper side of the hexagonal connecting part; the hexagonal connecting portion penetrates through the hexagonal mounting hole, and the threaded connecting portion extends out of the upper surface of the rotary table and is connected with a nut.
Preferably, a circular groove is coaxially formed in the middle of the lower surface of the turntable, a circular boss matched with the circular groove is arranged at the top of the driving box, and the circular boss is inserted into the circular groove.
Preferably, a rotary seal ring is arranged on the circumferential surface of the circular groove.
Preferably, the top of the circular boss is provided with a ball or a needle roller.
Preferably, the powder feeding notches are provided in plurality and are uniformly arranged along the circumferential direction of the rotary disc.
Preferably, the lifting driving device comprises a plurality of cylinders arranged upwards, and a plurality of lugs connected with the cylinders are correspondingly arranged at the lower end of the lifting shell.
Preferably, a sealing ring is arranged on the lower end surface of the lifting shell.
Preferably, a rotating shaft inserted into the feeding pipe is arranged in the powder storage barrel, a stirring blade is arranged at the lower part of the rotating shaft, and a second motor used for driving the rotating shaft to rotate is arranged at the top of the powder storage barrel.
Preferably, the powder storage barrel comprises a barrel body and a support frame, a transparent area is arranged on the barrel body, and a laser proximity sensor is arranged on the outer surface of the transparent area.
Has the advantages that:
the utility model provides a powder feeding device of increase and decrease material machining center, when needs clearance carousel, only need rise through lift drive arrangement drive lift casing, can expose the carousel, conveniently clear up the carousel.
Drawings
Fig. 1 is a schematic structural diagram of a powder feeding device of an additive and subtractive processing center according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a turntable in a powder feeding device of an additive and subtractive processing center according to an embodiment of the present invention.
Fig. 3 is an enlarged view of a portion S in fig. 1.
Fig. 4 is a schematic structural diagram of a powder storage barrel in the powder feeding device of the material increase and decrease processing center according to the embodiment of the present invention.
Description of reference numerals: 1. a base; 2. a drive box; 201. a circular boss; 202. a ball bearing; 3. a discharge hole; 4. a powder feeding pipe; 5. lifting the housing; 501. a tab; 502. a seal ring; 6. a powder feeding cavity; 7. a lift drive; 8. a turntable; 801. a powder feeding notch; 802. a hexagonal mounting hole; 803. a circular groove; 804. rotating the seal ring; 9. a first motor; 10. a powder storage barrel; 1001. a feeding pipe; 1002. a rotating shaft; 1003. a stirring blade; 1004. a second motor; 1005. a barrel body; 1006. a support frame; 1007. a transparent region; 1008. a laser proximity sensor; 11. an air pump; 12. a drive shaft; 1201. a hexagonal connection portion; 1202. a threaded connection; 1203. a nut; 13. a gas delivery pipe; 1301. a collapsible bellows section.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The following disclosure provides embodiments or examples for implementing different configurations of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Referring to fig. 1-4, an embodiment of the present application provides a powder feeding apparatus for an additive and subtractive processing center, including:
a base 1;
the driving box 2 is arranged on the base 1, a discharge hole 3 is formed in the top of the driving box 2, and the discharge hole 3 is connected with a powder feeding pipe 4;
the lifting shell 5 is arranged at the top of the driving box 2 in a lifting manner, and forms a powder feeding cavity 6 with the top of the driving box 2; a lifting driving device 7 for driving the lifting shell 5 to lift is arranged in the driving box 2;
the rotary table 8 is arranged in the powder feeding cavity 6, and the bottom of the rotary table is attached to the top of the driving box 2; at least one powder feeding notch 801 is formed in the edge of the rotary disc 8, and the powder feeding notch 801 can be communicated with the discharging hole 3 when the rotary disc 8 rotates in place; a first motor 9 for driving the rotary disc 8 to rotate is arranged in the driving box 2;
a powder storage barrel 10, which is arranged on the top of the lifting housing 5, and the lower end of which is provided with a feeding pipe 1001, wherein the feeding pipe 1001 extends into the powder feeding cavity 6, and the outlet of the feeding pipe 1001 is at the radial position of the turntable 8 and the radial position of the powder feeding notch 801 at the turntable 8 are the same (namely, the distance from the outlet of the feeding pipe 1001 to the central axis of the turntable 8 is the same as the distance from the powder feeding notch 801 to the central axis of the turntable 8); the outlet of the feeding pipe 1001 is staggered with the discharging hole 3;
and the air pump 11 is used for supplying air to the powder feeding cavity 6.
During normal work, the air pump 11 supplies air to the powder feeding cavity 6 to form high pressure in the powder feeding cavity 6, the lifting shell 5 descends and forms a closed powder feeding cavity 6 with the top of the driving box 2 in a surrounding mode, the first motor 9 drives the rotary disc 8 to rotate, when the powder feeding notch 801 rotates to the position under the outlet of the feeding pipe 1001, metal powder can enter the powder feeding notch 801, when the powder feeding notch 801 rotates to the position of the discharging hole 3, the metal powder in the powder feeding notch 801 can be sent out from the powder feeding pipe 4 under the action of high pressure, and therefore quantitative powder feeding can be achieved. By adjusting the rotation speed of the first motor 9, the amount of powder falling into the powder feeding notch 801 can be adjusted, and thus the powder feeding amount per powder feeding can be adjusted. When carousel 8 needs to be cleared up, go up through lift drive 7 drive lift casing 5, can expose carousel 8, conveniently clear up carousel 8.
Preferably, as shown in fig. 1, 2 and 3, the first motor 9 drives the rotating disc 8 to rotate through a driving shaft 12, a hexagonal mounting hole 802 is formed in the center of the rotating disc 8, a hexagonal connecting portion 1201 matched with the hexagonal mounting hole 802 is formed in the upper portion of the driving shaft 12, and a threaded connecting portion 1202 is formed on the upper side of the hexagonal connecting portion 1201; the hexagonal connecting portion 1201 is inserted into the hexagonal mounting hole 802, and the threaded connecting portion 1202 extends out of the upper surface of the rotary disk 8 and is connected with a nut 1203. Can drive carousel 8 reliably through hexagonal connecting portion 1201 and rotate, avoid taking place the phenomenon of skidding, through nut 1203 and threaded connection portion 1202 cooperation locking carousel 8, can avoid carousel 8 drunkenness from top to bottom, conveniently take out carousel 8 is whole moreover and wash.
In some embodiments, see fig. 2 and 3, a circular groove 803 is coaxially disposed in the middle of the lower surface of the turntable 8, and a circular boss 201 matching the circular groove 803 is disposed on the top of the driving box 2, and the circular boss 201 is inserted into the circular groove 803. Due to the round boss 201, the metal powder can be prevented from moving, so that the metal powder can be effectively prevented from entering the driving shaft 12 from the gap between the turntable 8 and the top of the driving box 2 and leaking from the gap between the driving shaft 12 and the driving box 2.
To further improve the sealing, a rotary seal ring 804 may be provided on the circumferential surface of the circular groove 803.
In order to reduce the friction between the turntable 8 and the top of the drive housing 2, balls 202 or needles may be provided on top of said circular boss 201, as shown in fig. 3.
In some preferred embodiments, referring to fig. 2, the powder feeding notch 801 is provided in a plurality, and the powder feeding notches 801 are uniformly arranged along the circumferential direction of the turntable 8. Thereby improving the continuity of the powder feeding process.
In fig. 2, the powder feeding notch 801 is a circular arc-shaped notch, but the shape of the powder feeding notch 801 is not limited thereto.
In this embodiment, as shown in fig. 1, the lifting driving device 7 includes a plurality of cylinders disposed upward, and a plurality of lugs 501 for connecting with the cylinders are correspondingly disposed at the lower end of the lifting housing 5. The lifting shell 5 can be effectively driven to lift through the extension and retraction of the piston rod of the air cylinder. The structure of the elevation driving means 7 is not limited thereto, and for example, a hydraulic cylinder or an electric telescopic rod may be used instead of the air cylinder.
In some embodiments, see fig. 1, the lower end surface of the lifting housing 5 is provided with a sealing ring 502. So as to ensure the air tightness of the powder feeding cavity 6 and the reliability of powder feeding.
Preferably, referring to fig. 4, a rotating shaft 1002 inserted into the feeding pipe 1001 is disposed in the powder storage barrel 10, a stirring blade 1003 is disposed at a lower portion of the rotating shaft 1002, and a second motor 1004 for driving the rotating shaft 1002 to rotate is disposed at a top portion of the powder storage barrel 10. In the working process, the second motor 1004 drives the rotating shaft 1002 to rotate, so that the metal powder in the feeding pipe 1001 is continuously stirred, the feeding pipe 1001 is prevented from being blocked, and the smoothness of the powder falling process is ensured. In the present embodiment, the stirring blade 1003 is a helical blade, but is not limited thereto.
In this embodiment, as shown in fig. 4, the powder storage barrel 10 includes a barrel body 1005 and a support frame 1006, a transparent area 1007 is disposed on the barrel body 1005, and a laser proximity sensor 1008 is disposed on an outer surface of the transparent area 1007. When the height of the metal powder in the powder storage barrel 10 is higher than that of the laser proximity sensor 1008, the laser proximity sensor 1008 is always in a triggered state, which indicates that the powder amount in the powder storage barrel 10 is sufficient and the metal powder does not need to be supplemented; when the height of the metal powder in the powder storage barrel 10 is lower than that of the laser proximity sensor 1008, the laser proximity sensor 1008 is not triggered, and the fact that the powder amount in the powder storage barrel 10 is insufficient indicates that the metal powder needs to be supplemented; therefore, whether the powder amount in the powder storage barrel 10 is sufficient or not can be judged according to the trigger state of the laser proximity sensor 1008, so that metal powder can be supplemented in time, and unqualified products caused by insufficient metal powder are avoided.
In practical application, the air pump 11 can be directly arranged on the lifting shell 5, so that the air pump can lift along with the lifting shell 5; as shown in FIG. 1, the air pump 11 is disposed on the top of the base 1 and connected to the powder feeding chamber 6 via the air pipe 13, wherein the air pipe 13 includes a flexible bellows section 1301, so as not to hinder the lifting of the lifting housing 5.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, which are substantially the same as the present invention.
Claims (10)
1. The utility model provides an increase and decrease material machining center's powder feeding device which characterized in that includes:
a base;
the driving box is arranged on the base, a discharge hole is formed in the top of the driving box, and the discharge hole is connected with a powder feeding pipe;
the lifting shell is arranged at the top of the driving box in a lifting manner and forms a powder feeding cavity together with the top of the driving box; a lifting driving device for driving the lifting shell to lift is arranged in the driving box;
the rotary table is arranged in the powder feeding cavity, and the bottom of the rotary table is attached to the top of the driving box; at least one powder feeding notch is formed in the edge of the rotary disc and can be communicated with the discharge hole when the rotary disc rotates in place; a first motor for driving the rotary disc to rotate is arranged in the driving box;
the powder storage barrel is arranged at the top of the lifting shell, a feeding pipe is arranged at the lower end of the lifting shell, the feeding pipe extends into the powder feeding cavity, and the outlet of the feeding pipe is arranged at the radial position of the rotary table and is the same as the radial position of the powder feeding notch on the rotary table; the outlet of the feeding pipe is staggered with the discharge hole;
and the air pump is used for supplying air to the powder feeding cavity.
2. The powder feeding device of an additive and subtractive machining center according to claim 1, wherein the first motor drives the turntable to rotate through a driving shaft, a hexagonal mounting hole is formed in the center of the turntable, a hexagonal connecting part matched with the hexagonal mounting hole is arranged at the upper part of the driving shaft, and a threaded connecting part is arranged at the upper side of the hexagonal connecting part; the hexagonal connecting portion penetrates through the hexagonal mounting hole, and the threaded connecting portion extends out of the upper surface of the rotary table and is connected with a nut.
3. The powder feeding device of an increasing and decreasing material processing center according to claim 1, wherein a circular groove is coaxially formed in the middle of the lower surface of the rotary table, a circular boss matched with the circular groove is formed in the top of the driving box, and the circular boss is inserted into the circular groove.
4. The powder feeding device of an incremental and decremental machining center according to claim 3, characterized in that a rotary seal ring is provided on the circumferential surface of the circular groove.
5. The powder feeding device of an additive and subtractive machining center according to claim 3, wherein the top of the circular boss is provided with a ball or a needle roller.
6. The powder feeding device of an additive and subtractive processing center according to claim 1, wherein a plurality of powder feeding notches are provided, and the plurality of powder feeding notches are uniformly arranged in the circumferential direction of the turntable.
7. The powder feeding device of an increase and decrease material processing center according to claim 1, wherein the lifting driving device comprises a plurality of cylinders arranged upward, and a plurality of lugs connected with the cylinders are correspondingly arranged at the lower end of the lifting shell.
8. The powder feeding device of an additive and subtractive processing center according to claim 1, wherein a seal ring is provided on a lower end surface of the elevating housing.
9. The powder feeding device of an increasing and decreasing materials processing center according to claim 1, wherein a rotating shaft inserted into the feeding pipe is arranged in the powder storage barrel, a stirring blade is arranged at the lower part of the rotating shaft, and a second motor for driving the rotating shaft to rotate is arranged at the top of the powder storage barrel.
10. The powder feeding device of an increase and decrease material processing center according to claim 1, wherein the powder storage barrel comprises a barrel body and a support frame, a transparent area is arranged on the barrel body, and a laser proximity sensor is arranged on the outer surface of the transparent area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120848598.5U CN215356187U (en) | 2021-04-23 | 2021-04-23 | Powder feeding device of material increasing and decreasing machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120848598.5U CN215356187U (en) | 2021-04-23 | 2021-04-23 | Powder feeding device of material increasing and decreasing machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215356187U true CN215356187U (en) | 2021-12-31 |
Family
ID=79627828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120848598.5U Expired - Fee Related CN215356187U (en) | 2021-04-23 | 2021-04-23 | Powder feeding device of material increasing and decreasing machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215356187U (en) |
-
2021
- 2021-04-23 CN CN202120848598.5U patent/CN215356187U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |