CN219112905U - Sand blasting collecting barrel for metal 3D printer - Google Patents
Sand blasting collecting barrel for metal 3D printer Download PDFInfo
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- CN219112905U CN219112905U CN202223077053.2U CN202223077053U CN219112905U CN 219112905 U CN219112905 U CN 219112905U CN 202223077053 U CN202223077053 U CN 202223077053U CN 219112905 U CN219112905 U CN 219112905U
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- 239000002184 metal Substances 0.000 title claims abstract description 71
- 238000005488 sandblasting Methods 0.000 title abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 125
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 238000003491 array Methods 0.000 claims description 2
- 238000005422 blasting Methods 0.000 claims 9
- 239000000428 dust Substances 0.000 abstract description 44
- 239000002245 particle Substances 0.000 abstract description 16
- 238000010146 3D printing Methods 0.000 abstract description 8
- 239000011229 interlayer Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 25
- 125000006850 spacer group Chemical group 0.000 description 21
- 239000000843 powder Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 239000011261 inert gas Substances 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 239000006004 Quartz sand Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Powder Metallurgy (AREA)
Abstract
The utility model relates to the technical field of 3D printing dust collection, in particular to a sand blasting collecting barrel for a metal 3D printer, which comprises a collecting barrel body, a first partition piece, a second partition piece and a driving assembly, wherein the first partition piece is arranged in the collecting barrel body, the first partition piece is of a structure with openings at the upper end and the lower end, and the two ends of the first partition piece are respectively connected with a feed inlet of the collecting barrel body and the inner side wall of the collecting barrel body to form a separation cavity; the second partition plate is arranged in the separation cavity, the first partition plate is provided with a first through hole, the second partition plate is provided with a second through hole, and the driving assembly is used for driving the first partition plate and the second partition plate to rotate relatively so that the first through hole is isolated from or communicated with the second through hole. According to the collecting barrel, the interlayer is arranged inside to place particles for isolating air, so that the objects can fall off the interlayer and are paved above the metal dust after the metal dust is collected, the metal dust is prevented from being contacted with the air, and the safety is improved.
Description
Technical Field
The utility model relates to the technical field of 3D printing dust collection, in particular to a sand blasting collecting barrel for a metal 3D printer.
Background
Metal 3D printing is a 3D printing technique that directly prints metal parts using metal powder, also known as metal powder Sintering (SLM). When printing, the scraper spreads a layer of metal powder on the base plate of the forming cylinder, and the laser beam selectively melts the powder according to the section outline of each layer of the part to process the current layer. After the sintering of one layer is finished, the lifting system descends by the height of one section layer, the powder spreading roller spreads one layer of metal powder on the formed section layer, the next layer is sintered, and the next layer is processed layer by layer until the sintering of the whole part is finished. The whole forming process is carried out in a processing chamber which is vacuumized or full of protective gas so as to avoid the reaction of metal and other gases at high temperature, and metal dust generated in the printing process is active and flammable dust which is extremely easy to generate ignition when encountering oxygen in the air, so that the metal dust is collected, and the metal dust is isolated from the air as much as possible so as to prevent explosion.
For the above reasons, a dust collector is generally used to collect the metal powder after passing through the filtering device in the metal 3D printing process, and the structure of the collecting barrel directly affects the use and safety of the device. In the traditional dust collector, the collecting barrel is only filled with inert gas to reduce the oxygen content, but the mode has potential safety hazards, when metal dust needs to be taken out from the collecting barrel, the inert gas is easy to overflow, and meanwhile, air easily enters the collecting barrel to contact with the metal dust, so that the metal dust is ignited, and the safety problem exists.
Disclosure of Invention
In order to overcome the defects and the shortcomings in the prior art, the utility model aims to provide the sand blasting collecting barrel for the metal 3D printer, and particles for isolating air are placed in the collecting barrel through arranging an interlayer, so that the objects can fall off the interlayer and are paved above the metal dust after the metal dust is collected, the metal dust is prevented from being contacted with the air, and the safety is improved.
The utility model is realized by the following technical scheme:
the sand blasting collecting barrel for the metal 3D printer comprises a collecting barrel body, a first partition piece, a second partition piece and a driving assembly, wherein the upper end of the collecting barrel body is of an opening structure, the first partition piece, the second partition piece and the driving assembly are arranged in the collecting barrel body, the first partition piece is of a structure with the upper end and the lower end open, and two ends of the first partition piece are respectively connected with a feeding hole of the collecting barrel body and the inner side wall of the collecting barrel body to form a separation cavity; the second partition member is arranged in the partition chamber, the first partition member is provided with a first through hole, the second partition member is provided with a second through hole, and the driving assembly is used for driving the first partition member and the second partition member to rotate relatively so that the first through hole is isolated from or communicated with the second through hole.
The first partition is arranged in the collecting barrel body in a non-rotatable mode, the second partition is arranged in the through body in a rotatable mode, and the driving assembly is used for driving the second partition to rotate so that the first partition can rotate relative to the second partition.
The inner side wall of the collecting barrel body is provided with an annular limiting strip, and the lower end of the first partition piece is abutted to the limiting strip.
The limiting strip is provided with a limiting groove, a first limiting block corresponding to the limiting groove is arranged at the lower end of the second partition, and the first limiting block is clamped in the limiting groove.
The first partition member is rotatably arranged in the collecting barrel body, the second partition member is non-rotatably arranged in the through body, and the driving assembly is used for driving the first partition member to rotate so that the first partition member can rotate relative to the second partition member.
The first partition and the second partition are both arranged in the through body in a rotating mode, and the driving assembly is used for driving the first partition and the second partition to rotate in opposite directions so that the first partition rotates relative to the second partition.
The first partition is of a funnel-shaped structure, the narrow end of the first partition is connected to the feed inlet of the collecting barrel body, the wide end of the first partition is connected to the inner side wall of the collecting barrel body, and the shape of the second partition is matched with that of the first partition.
The first through holes are round holes, the second through holes are square holes, a plurality of first through hole arrays are arranged to form a plurality of array hole groups, and each array hole group corresponds to one second through hole.
Wherein, one of them second through-hole communicates with the edge of second barrier, and the first through-hole of the outside of one of them array hole group communicates with the edge of first baffle.
The driving assembly comprises a hand crank, a Z-shaped supporting piece and a boss, one end of the hand crank penetrates through the side wall of the collecting barrel body and is rotationally connected with the collecting barrel body, one end of the Z-shaped supporting piece is connected with one end of the hand crank, the boss is fixedly connected with the upper end of the second partition, and the hand crank is used for driving the other end of the Z-shaped supporting piece to rotate and abutting against the boss to enable the second partition to rotate.
The utility model has the beneficial effects that:
according to the sand blasting collecting barrel for the metal 3D printer, the feeding hole of the collecting barrel body is communicated with external filtering equipment, so that metal dust falls into the collecting barrel body from the feeding hole of the collecting barrel body, particles for isolating air are placed in a compartment in advance, and at the moment, the first through holes and the second through holes are staggered to form isolation; after the metal dust is collected, the driving assembly drives the first partition member and the second partition member to rotate relatively, the first through hole is communicated with the second through hole, particles pass through the first through hole and the second through hole from the separation cavity and fall into the collecting barrel body, and finally, the particles are paved above the metal dust to isolate the metal dust from air. Because the fluidity and compactness of the particles are better, the particles can be always kept on the metal dust to form an insulating layer, and the insulating layer can better play an insulating role compared with inert gas when the collecting barrel body is opened, so that the safety is higher.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic perspective view of embodiment 1.
Fig. 2 is a cross-sectional view of example 1.
Fig. 3 is a schematic structural diagram of the tub, the first partition, the second partition, and the driving assembly in embodiment 1.
Fig. 4 is a schematic structural diagram of the driving assembly in embodiment 1.
Reference numerals
The collecting barrel body-100, the barrel cover-101, the barrel body-102, the separation chamber-103, the limit strip-104, the limit groove-105, the feed inlet-106, the chuck-107,
a first partition-200, a first through hole-201, a first stopper-202, a second stopper-203,
a second spacer-300, a second through hole-301,
drive assembly-400, crank-401, Z-shaped support-402, boss-403.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
Metal 3D printing is a 3D printing technique that directly prints metal parts using metal powder, also known as metal powder Sintering (SLM). When printing, the scraper spreads a layer of metal powder on the base plate of the forming cylinder, and the laser beam selectively melts the powder according to the section outline of each layer of the part to process the current layer. After the sintering of one layer is finished, the lifting system descends by the height of one section layer, the powder spreading roller spreads one layer of metal powder on the formed section layer, the next layer is sintered, and the next layer is processed layer by layer until the sintering of the whole part is finished. The whole forming process is carried out in a processing chamber which is vacuumized or full of protective gas so as to avoid the reaction of metal and other gases at high temperature, and metal dust generated in the printing process is active and flammable dust which is extremely easy to generate ignition when encountering oxygen in the air, so that the metal dust is collected, and the metal dust is isolated from the air as much as possible so as to prevent explosion.
For the above reasons, a dust collector is generally used to collect the metal powder after passing through the filtering device in the metal 3D printing process, and the structure of the collecting barrel directly affects the use and safety of the device. In the traditional dust collector, the collecting barrel is only filled with inert gas to reduce the oxygen content, but the mode has potential safety hazards, when metal dust needs to be taken out from the collecting barrel, the inert gas is easy to overflow, and meanwhile, air easily enters the collecting barrel to contact with the metal dust, so that the metal dust is ignited, and the safety problem exists.
Example 1
In order to solve the above problems, the present embodiment discloses a sand blasting collecting barrel for a metal 3D printer, the structure of which is shown in fig. 1 to 4, the collecting barrel comprises a collecting barrel body 100 with an opening structure at the upper end, the collecting barrel body 100 comprises a barrel cover 101 above and a barrel body 102 below, a feed inlet of the collecting barrel body 100 is positioned at the barrel cover 101, a chuck 107 is welded at the opening of the barrel cover 101, and the collecting barrel can be rapidly locked and installed through a clamp; a sealing rubber strip is arranged at the position under the barrel cover 101, which is matched and pressed with the barrel body 102, so as to ensure the air tightness of the barrel cover 101 when in pressing fit with the barrel body 102.
Further, the collecting barrel further comprises a first partition member 200, a second partition member 300 and a driving assembly 400, wherein the first partition member 200 is disposed in the collecting barrel body 100, the first partition member 200 is in a structure with openings at the upper end and the lower end, preferably, the first partition member 200 is in a funnel-shaped structure, in order to be seen from fig. 2, the narrow end of the first partition member 200 is connected to the feed inlet of the collecting barrel body 100, preferably, the lower edge of the feed inlet, in the embodiment, the wide end of the first partition member 200 is connected to the inner side wall of the collecting barrel body 100, so that the first partition member 200 forms an inverted structure and is disposed in the barrel body 102, and the shape of the second partition member 300 is adapted to the shape of the first partition member 200, so as to ensure that metal dust is isolated from the first partition member 200 when passing through the feed inlet of the collecting barrel body 100.
Further, both ends of the first partition 200 are respectively connected to the feed inlet of the collecting tank body 100 and the inner sidewall of the collecting tank body 100 to form a compartment 103; the second partition 300 is disposed in the compartment 103, the first partition 200 is provided with a first through hole 201, the second partition 300 is provided with a second through hole 301, and the driving assembly 400 is used for driving the first partition 200 and the second partition 300 to rotate relatively so as to isolate or communicate the first through hole 201 with the second through hole 301.
In actual use, the feed inlet of the collecting barrel body 100 is communicated with external filtering equipment, so that metal dust falls into the collecting barrel body 100 from the feed inlet of the collecting barrel body 100, particles for isolating air, preferably quartz sand, are placed in the separation cavity 103 in advance, and the first through holes 201 and the second through holes 301 are staggered to form isolation; after the metal dust is collected, the driving assembly 400 drives the first partition member 200 and the second partition member 300 to rotate relatively, the first through hole 201 is communicated with the second through hole 301, particles pass through the first through hole 201 and the second through hole 301 from the separation cavity 103 and fall into the collecting barrel body 100, and finally, the particles are fully paved above the metal dust to isolate the metal dust from air. Because the fluidity and compactness of the particles are better, the particles can always keep forming an insulating layer on the metal dust, and the particles can better play an insulating role compared with inert gas when the collecting barrel body 100 is opened, so that the safety is higher.
In the present embodiment, the first partition 200 is non-rotatably disposed in the collecting tank body 100, and the second partition 300 is rotatably disposed in the through body, so the driving assembly 400 of the present embodiment rotates the first partition 200 relative to the second partition 300 by driving the second partition 300 to rotate.
Specifically, the driving assembly 400 includes a handle 401, a Z-shaped supporting member 402, and a boss 403, wherein one end of the handle 401 passes through the sidewall of the collecting barrel body 100 and is rotatably connected with the collecting barrel body 100, one end of the Z-shaped supporting member 402 is connected to one end of the handle 401, the boss 403 is fixedly connected to the upper end of the second spacer 300, and the handle 401 is used for driving the other end of the Z-shaped supporting member 402 to rotate and abutting against the boss 403 to rotate the second spacer 300. When the barrel 102 needs to be cleaned after collecting metal dust, by rotating the hand crank 401, the Z-shaped supporting piece 402 on the hand crank 401 is contacted with the boss 403 of the second partition piece 300, and as the Z-shaped supporting piece 402 performs circular motion during rotation, the clockwise and anticlockwise rotation of the hand crank 401 is operated, so that the Z-shaped supporting piece 402 repeatedly pushes two sides of the boss 403 to enable the second partition piece 300 to rotate clockwise or anticlockwise, closing (isolation) and opening (communication) between the first through hole 201 and the second through hole 301 are achieved, and finally quartz sand placed in the separation cavity 103 falls into the dust collecting barrel to cover the metal dust. Meanwhile, a second limiting block 203 for inserting into the second through hole 301 is further arranged at the upper end of the first compartment, and the rotation angle of the second partition 300 can be limited by arranging the second limiting block 203, so that the Z-shaped supporting piece 402 is prevented from being separated from the boss 403.
In this embodiment, an annular limiting bar 104 is disposed on the inner side wall of the collecting tank body 100, the lower end of the first partition 200 abuts against the limiting bar 104, and the limiting bar 104 can position the first partition 200 when being placed after being disassembled; in addition, the limiting bar 104 is provided with a limiting groove 105, the lower end of the second spacer 300 is provided with a first limiting block 202 corresponding to the limiting groove 105, the first limiting block 202 is clamped in the limiting groove 105, when the first spacer 200 is placed, the first limiting block 202 is required to be aligned with the limiting groove 105 to be inserted into the limiting groove 105 to form a clamping connection, the mounting can be completed, the first spacer 200 can not rotate after the mounting is completed, and the fixing is completed.
Specifically, as can be seen from fig. 3, the first through holes 201 are round holes, the second through holes 301 are square holes, a plurality of first through holes 201 are arranged in an array to form a plurality of array hole groups, each array hole group corresponds to one second through hole 301, the array hole groups are arranged at equal intervals, the second through holes 301 are arranged at equal intervals, and the distance between the array hole groups is preferably equal to the distance between the second through holes 301, so that the first through holes 201 and the second through holes 301 are arranged in a staggered manner, and the quartz sand falls more uniformly.
Further, one of the second through holes 301 communicates with the edge of the second spacer 300, and the first through holes 201 outside one of the array hole sets communicate with the edge of the first spacer, so that the first spacer 200 and the second spacer 300 can be conveniently grasped.
Example 2
In this embodiment, the first partition 200 is rotatably disposed in the collecting tank body 100, the second partition 300 is non-rotatably disposed in the through body, the driving assembly 400 is preferably a motor, the driving assembly 400 is used for driving the first partition 200 to rotate so as to enable the first partition 200 to rotate relative to the second partition 300, the motor drives the first partition 200 to enable the first partition 200 to rotate relative to the second partition 300, the first through hole 201 is communicated with the second through hole 301, and particles pass through the first through hole 201 and the second through hole 301 from the separation cavity 103 to fall into the collecting tank body 100 and finally fully spread above the metal dust so as to isolate the metal dust from the air.
In the present embodiment, since the first spacer 200 can rotate and the second spacer 300 cannot rotate, the first stopper 202 of the present embodiment is disposed on the second spacer 300, and the stopper groove 105 is not disposed on the stopper bar 104 but on the inner sidewall of the barrel 102, so as to limit the second spacer 300. Other than the above features, the other features of this embodiment are the same as those of embodiment 1, and will not be described here again.
Example 3
The first spacer 200 and the second spacer 300 are both rotatably disposed in the through body, the driving member is preferably a motor, and the driving assembly 400 is used for driving the first spacer 200 and the second spacer 300 to rotate in opposite directions relative to each other so as to rotate the first spacer 200 relative to the second spacer 300. The motor drives the first partition member 200 to rotate in opposite directions or in the same direction as the second partition member 300, wherein the rotation speed of the first partition member 200 is different from that of the second partition member 300, so that the first through hole 201 and the second through hole 301 are communicated, and particles pass through the first through hole 201 and the second through hole 301 from the partition cavity 103 to fall into the collecting barrel body 100, and finally, the particles are fully paved above the metal dust, so that the metal dust is isolated from the air.
In this embodiment, the first spacer 200 and the second spacer 300 can both rotate, so the first limiting block 202 is not disposed in this embodiment. Other than the above features, the other features of this embodiment are the same as those of embodiment 1, and will not be described here again.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. A sandblast collecting vessel for metal 3D printer, includes the collecting vessel body, the upper end of collecting vessel body is provided with feed inlet, its characterized in that: the collecting barrel further comprises a first partition piece, a second partition piece and a driving assembly, wherein the first partition piece, the second partition piece and the driving assembly are arranged in the collecting barrel body, the first partition piece is of a structure with openings at the upper end and the lower end, and the two ends of the first partition piece are respectively connected with a feed inlet of the collecting barrel body and the inner side wall of the collecting barrel body to form a separation cavity;
the second partition member is arranged in the partition chamber, the first partition member is provided with a first through hole, the second partition member is provided with a second through hole, and the driving assembly is used for driving the first partition member and the second partition member to rotate relatively so that the first through hole is isolated from or communicated with the second through hole.
2. A grit blasting collector as in claim 1 for a metal 3D printer, wherein: the first partition member cannot be rotatably arranged in the collecting barrel body, the second partition member is rotatably arranged in the through body, and the driving assembly is used for driving the second partition member to rotate so that the first partition member can rotate relative to the second partition member.
3. A grit blasting collector as in claim 2 for a metal 3D printer, wherein: the inside wall of collecting vessel body is provided with annular spacing, the lower extreme of first separate piece is contradicted in spacing.
4. A grit blasting collector as in claim 3 for a metal 3D printer, wherein: the limiting strip is provided with a limiting groove, the lower extreme of second separator is provided with the first stopper that corresponds with the limiting groove, first stopper joint is in the limiting groove.
5. A grit blasting collector as in claim 1 for a metal 3D printer, wherein: the first partition member is rotatably arranged in the collecting barrel body, the second partition member is non-rotatably arranged in the through body, and the driving assembly is used for driving the first partition member to rotate so that the first partition member rotates relative to the second partition member.
6. A grit blasting collector as in claim 1 for a metal 3D printer, wherein: the first partition and the second partition are both rotatably arranged in the through body, and the driving assembly is used for driving the first partition and the second partition to rotate in opposite directions so as to enable the first partition to rotate relative to the second partition.
7. A grit blasting collector as in claim 1 for a metal 3D printer, wherein: the first separating piece is of a funnel-shaped structure, the narrow end of the first separating piece is connected to the feeding port of the collecting barrel body, the wide end of the first separating piece is connected to the inner side wall of the collecting barrel body, and the shape of the second separating piece is matched with that of the first separating piece.
8. A grit blasting collector as in claim 1 for a metal 3D printer, wherein: the first through holes are round holes, the second through holes are square holes, a plurality of first through hole arrays are arranged to form a plurality of array hole groups, and each array hole group corresponds to one second through hole.
9. A grit blasting collector as in claim 8 for a metal 3D printer, wherein: one of the second through holes is communicated with the edge of the second partition, and the first through holes outside one of the array hole groups are communicated with the edge of the first partition.
10. A grit blasting collector as in claim 1 for a metal 3D printer, wherein: the driving assembly comprises a hand crank, a Z-shaped supporting piece and a boss, one end of the hand crank penetrates through the side wall of the collecting barrel body and is rotationally connected with the collecting barrel body, one end of the Z-shaped supporting piece is connected with one end of the hand crank, the boss is fixedly connected with the upper end of the second partition, and the hand crank is used for driving the other end of the Z-shaped supporting piece to rotate and abutting against the boss to enable the second partition to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223077053.2U CN219112905U (en) | 2022-11-18 | 2022-11-18 | Sand blasting collecting barrel for metal 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223077053.2U CN219112905U (en) | 2022-11-18 | 2022-11-18 | Sand blasting collecting barrel for metal 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219112905U true CN219112905U (en) | 2023-06-02 |
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ID=86530702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223077053.2U Active CN219112905U (en) | 2022-11-18 | 2022-11-18 | Sand blasting collecting barrel for metal 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219112905U (en) |
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2022
- 2022-11-18 CN CN202223077053.2U patent/CN219112905U/en active Active
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Address after: Room 1008, Building 1, No. 5 Information Road, Songshanhu Park, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan huile Technology Co.,Ltd. Country or region after: China Address before: No.95 Jinghai East Road, Shatou, Chang'an Town, Dongguan City, Guangdong Province 523000 Patentee before: Dongguan huile Technology Co.,Ltd. Country or region before: China |