CN111113900B - Inside powder cleaning device of 3D printing part based on fast turn-round - Google Patents
Inside powder cleaning device of 3D printing part based on fast turn-round Download PDFInfo
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- CN111113900B CN111113900B CN202010007072.4A CN202010007072A CN111113900B CN 111113900 B CN111113900 B CN 111113900B CN 202010007072 A CN202010007072 A CN 202010007072A CN 111113900 B CN111113900 B CN 111113900B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/35—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
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- Percussive Tools And Related Accessories (AREA)
Abstract
The invention provides a 3D printing part internal powder cleaning device based on rapid rotation, which comprises a support, a shell device fixed on the support, a part fixing device arranged in the shell device, a driving device arranged in the shell device and a hammer device connected with the driving device, wherein the shell device is fixed on the support; the shell device comprises a first shell, a second shell, a third shell, a fourth shell, a fifth shell and a sixth shell; the driving device comprises a motor and a transmission device which provide a power source for the whole device; the part fixing device comprises a fifth connecting shaft connected with the second bevel gear, a part fixing platform with one end connected to the fifth connecting shaft, and a fourth connecting shaft connected to the other end of the part fixing platform; the hammer device comprises a hammer shaft connected with the second cylindrical gear and a hammer connected with the hammer shaft. The transmission scheme is simple and efficient and is easy to realize; complex control is not needed, and the method is simple and reliable.
Description
Technical Field
The invention relates to the technical field of 3D printing equipment, in particular to a 3D printing part internal powder cleaning device based on rapid rotation.
Background
Along with the development of China manufacturing towards the intelligent direction, the part manufacturing also continuously develops towards the intelligent direction, and 3D printing provides a solution for the intelligent manufacturing of parts. At present, domestic 3D printing is in a laboratory research stage, and a large amount of printing is not used in the product manufacturing field. With the continuous and intensive research and the development of products, 3D printing will produce more integrated parts with complex internal structures. However, 3D printing powder is relatively expensive and cannot be exposed to air for a long time, and how to clean and collect the powder inside the part becomes a great problem. At present, the 3D printing research in China is mainly carried out on equipment research and development, printing process research and powder preparation, the research on product application is relatively less, and the research on cleaning and collecting of powder inside a printed part is not much in China. So, print the inside powder clearance of back part and collect to 3D, avoid 3D to print the powder extravagant and pollute the environment mirror, become 3D and print the urgent demand after the product realization is used, consequently, it is necessary to provide a 3D and prints the inside powder cleaning device of part to solve prior art's not enough.
Disclosure of Invention
According to how the inside powder of 3D printing back part is cleared up and collected that above-mentioned provided, avoid 3D to print the technical problem that the powder is extravagant and pollute the environment mirror, and provide one kind and print inside powder cleaning device of part based on fast turn-round 3D. The part fixing platform and the hammer are driven to rotate simultaneously by the motor through the transmission device, so that the transmission scheme is simple, efficient and easy to realize; the driving device is used for ensuring that the hammer and the part fixing platform synchronously rotate, the part fixing platform is knocked once when the hammer rotates for one circle, the part is vibrated through knocking, the fixed vibration efficiency can be ensured only through the matching of the driving device, the complex control is not needed, and the method is simple and reliable; the vibration makes the inside powder of part become loose, and the cooperation is rotated fast and is cleared up the inside powder of part out, reduces the complexity that each position progressively cleared up, handles the inside powder of part for the simplicity more.
The technical means adopted by the invention are as follows:
the utility model provides an inside powder cleaning device of 3D printing part based on fast turn-round, includes: the device comprises a bracket, a shell device fixed on the bracket, a part fixing device arranged in the shell device, a driving device arranged in the shell device and a hammer device connected with the driving device;
the shell device comprises a first shell, a second shell, a third shell, a fourth shell, a fifth shell and a sixth shell, wherein the first shell, the second shell, the third shell, the fourth shell and the fifth shell are fixedly connected to the outside of the sixth shell;
the driving device comprises a motor and a transmission device which provide a power source for the whole device, and the transmission device comprises a first conical gear, a second conical gear, a third conical gear, a first connecting shaft, a first synchronous belt pulley, a first synchronous belt, a second connecting shaft, a second synchronous belt pulley, a fourth conical gear, a fifth conical gear, a third connecting shaft, a first cylindrical gear and a second cylindrical gear;
the motor is arranged at the end part of the first shell, the motor is connected with the first conical gear through a motor shaft, the first conical gear is connected with the second conical gear in a meshed manner, the second conical gear is connected with the third conical gear in a meshed manner, the third conical gear is connected with one end of the first connecting shaft, the other end of the first connecting shaft is connected with the first synchronous belt pulley, the first synchronous belt pulley is connected with one end of the first synchronous belt in a meshed manner, the other end of the first synchronous belt is connected with the second synchronous belt pulley in a meshed manner, the second synchronous belt pulley is connected with one end of the second connecting shaft, the other end of the second connecting shaft is connected with the fourth conical gear, the fourth conical gear is connected with the fifth conical gear in a meshed manner, and the fifth conical gear is connected with one end of the third connecting shaft, the other end of the third connecting shaft is connected with the first cylindrical gear, and the second cylindrical gear is connected with the first cylindrical gear in a meshed manner; the first connecting shaft is fixedly connected to the first shell, the second connecting shaft is fixedly connected to the second shell, and the third connecting shaft is fixedly connected to the third shell;
the part fixing device comprises a fifth connecting shaft connected with the second conical gear, a part fixing platform with one end connected to the fifth connecting shaft and a fourth connecting shaft connected to the other end of the part fixing platform, and the fourth connecting shaft and the fifth connecting shaft are fixedly connected to two sides of the sixth shell respectively;
the hammer device comprises a hammer shaft connected with the second cylindrical gear and a hammer connected with the hammer shaft, the hammer shaft is fixedly connected to the fourth shell, the hammer is positioned in the fifth shell, and the hammer rotates around the hammer shaft in the circumferential direction in the fifth shell;
in the working process, the motor drives simultaneously part fixed platform with the hammer rotates, and part fixed mounting utilizes the fast turn-round of part on the part fixed platform, clears out the inside powder of part, the hammer with part fixed platform rotates simultaneously, the hammer with part fixed platform contact is once, right part fixed platform strikes once, part fixed platform produces vibration, makes the inside powder of part become loose through the vibration.
Furthermore, the first shell, the second shell, the third shell and the fourth shell are not communicated with the sixth shell, so that powder is prevented from entering the shells to pollute the transmission environment of gears in the transmission device; the fifth casing is communicated with the sixth casing, and a sufficient space is reserved for the rotation of the hammer.
Further, the sixth shell is a sphere with a cavity inside, and the part fixing device is located in the cavity.
Furthermore, the upper side and the lower side of the sixth shell are at least provided with 8 high-pressure nozzles.
Further, the top of the sixth shell is provided with an air outlet hole with a filter.
Further, the bottom of the sixth shell is provided with a powder outlet for conveying powder in the parts.
Furthermore, the central axes of the first conical gear and the third conical gear are parallel, and the central axes of the fourth conical gear and the third conical gear are parallel.
Further, the axes of the first conical gear, the third conical gear and the fourth conical gear are located on the same plane.
Further, the fourth connecting shaft coincides with the central axis of the fifth connecting shaft.
Compared with the prior art, the invention has the following advantages:
1. according to the 3D printing part internal powder cleaning device based on rapid rotation, the part fixing platform and the hammer are driven to rotate simultaneously through the motor through the transmission device, the transmission scheme is simple and efficient, and the realization is easy.
2. According to the 3D printing part internal powder cleaning device based on rapid rotation, the transmission device is used for ensuring that the driving hammer and the part fixing platform synchronously rotate, the driving hammer performs one-time knocking on the part fixing platform every circle of rotation, the part vibrates through the knocking, the fixed vibration efficiency can be ensured only through the matching of the transmission device, complex control is not needed, and the method is simple and reliable.
3. According to the 3D printing part internal powder cleaning device based on the rapid rotation, provided by the invention, the powder in the part is loosened by vibration, the powder in the part is cleaned by matching with the rapid rotation, the complexity of gradually cleaning each part is reduced, and the powder in the part is more simply treated.
4. According to the 3D printing part internal powder cleaning device based on rapid rotation, the shell part is designed in a spherical shape, so that space required by part rotation is reserved, powder can enter the collecting device from the powder outlet more conveniently, and manual cleaning is not needed in the later period.
In conclusion, the technical scheme of the invention can solve the problems that how to clean and collect the powder inside the 3D printed part in the prior art and avoid the waste of the 3D printed powder and the pollution of the ring mirror.
Based on the reasons, the method can be widely popularized in the fields of 3D printing and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an isometric view of the overall structure of the present invention.
Fig. 3 is a schematic cross-sectional view of the overall structure of the present invention.
Fig. 4 is a front view of the housing assembly of the present invention.
Fig. 5 is a schematic structural diagram of the housing assembly of the present invention.
In the figure: 1. a motor; 2. a housing means; 3. a first conical gear; 4. a second conical gear; 5. a third bevel gear; 6. a first connecting shaft; 7. a first timing pulley; 8. a first synchronization belt; 9. a second connecting shaft; 10. a second timing pulley; 11. a fourth conical gear; 12. a fifth conical gear; 13. a third connecting shaft; 14. a first cylindrical gear; 15. a second cylindrical gear; 16. a hammer shaft; 17. hammering; 18. a part fixing platform; 19. a fourth connecting shaft; 20. a fifth connecting shaft; 201. a first housing; 202. a second housing; 203. a third housing; 204. a fourth housing; 205. a fifth housing; 206. a high pressure nozzle; 207. an air outlet with a filter; 208. a sixth housing; 209. a powder outlet; 210. and (4) a bracket.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in the figure, the invention provides a 3D printing part internal powder cleaning device based on rapid rotation, which comprises: a support frame 210, a housing unit 2 fixed to the support frame 210, a part fixing unit disposed inside the housing unit 2, a driving unit disposed inside the housing unit 2, and a hammer unit connected to the driving unit.
The housing device 2 includes a first housing 201, a second housing 202, a third housing 203, a fourth housing 204, a fifth housing 205, and a sixth housing 208, and the first housing 201, the second housing 202, the third housing 203, the fourth housing 204, and the fifth housing 205 are fixedly connected to the outside of the sixth housing 208.
The driving device comprises a motor 1 and a transmission device, wherein the motor 1 provides a power source for the whole device, and the transmission device comprises a first conical gear 3, a second conical gear 4, a third conical gear 5, a first connecting shaft 6, a first synchronous belt pulley 7, a first synchronous belt 8, a second connecting shaft 9, a second synchronous belt pulley 10, a fourth conical gear 11, a fifth conical gear 12, a third connecting shaft 13, a first cylindrical gear 14 and a second cylindrical gear 15.
The motor 1 is installed at the end of the first shell 201, the motor 1 is connected with the first bevel gear 3 through the shaft of the motor 1, the first bevel gear 3 is connected with the second bevel gear 4 in a meshing manner, the second bevel gear 4 is connected with the third bevel gear 5 in a meshing manner, the third bevel gear 5 is connected with one end of the first connecting shaft 6, the other end of the first connecting shaft 6 is connected with the first synchronous pulley 7, the first synchronous pulley 7 is connected with one end of the first synchronous belt 8 in a meshing manner, the other end of the first synchronous belt 8 is connected with the second synchronous pulley 10 in a meshing manner, the second synchronous pulley 10 is connected with one end of the second connecting shaft 9, the other end of the second connecting shaft 9 is connected with the fourth bevel gear 11, the fourth bevel gear 11 is connected with the fifth bevel gear 12 in a meshing manner, the fifth bevel gear 12 is connected to one end of the third connecting shaft 13, the other end of the third connecting shaft 13 is connected to the first cylindrical gear 14, and the second cylindrical gear 15 is connected to the first cylindrical gear 14 in a meshed manner; the first connecting shaft 6 is fixedly connected to the first housing 201, the second connecting shaft 9 is fixedly connected to the second housing 202, and the third connecting shaft 13 is fixedly connected to the third housing 203.
The part fixing device comprises a fifth connecting shaft 20 connected with the second bevel gear 4, a part fixing platform 18 with one end connected to the fifth connecting shaft 20, and a fourth connecting shaft 19 connected to the other end of the part fixing platform 18, wherein the fourth connecting shaft 19 and the fifth connecting shaft 20 are respectively and fixedly connected to two sides of the sixth shell 208.
The hammer device comprises a hammer shaft 16 connected with the second cylindrical gear 15 and a hammer 17 connected with the hammer shaft 16, the hammer shaft 16 is fixedly connected to the fourth housing 204, the hammer 17 is located inside the fifth housing 205, and the hammer 17 rotates around the hammer shaft 16 in the circumferential direction inside the fifth housing 205.
In the working process, motor 1 drives simultaneously part fixed platform 18 with hammer 17 rotates, and part fixed mounting utilizes the fast turn-round of part, clears up the inside powder of part on part fixed platform 18, hammer 17 with part fixed platform 18 rotates simultaneously, hammer 17 with part fixed platform 18 contact is once, right part fixed platform 18 strikes once, part fixed platform 18 produces a vibration, makes the inside powder of part become loose through the vibration.
Preferably, the first housing 201, the second housing 202, the third housing 203 and the fourth housing 204 are not communicated with the sixth housing 208, so that powder is prevented from entering the housings and polluting the transmission environment of gears in the transmission device; the fifth housing 205 is penetrated through the sixth housing 208, and a sufficient space is left for the rotation of the hammer 17.
Preferably, the sixth housing 208 is a sphere with a cavity therein, and the part fixing device is located in the cavity.
Preferably, at least 8 high-pressure nozzles 206 are disposed on the upper and lower sides of the sixth housing 208.
Preferably, the top of the sixth housing 208 is provided with an air outlet 207 with a filter.
Preferably, the bottom of the sixth housing 208 is provided with a powder outlet 209 for conveying the powder in the parts.
Preferably, the central axes of the first conical gear 3 and the third conical gear 5 are parallel, and the central axes of the fourth conical gear 11 and the third conical gear 5 are parallel.
Preferably, the axes of the first conical gear 3, the third conical gear 5 and the fourth conical gear 11 are located on the same plane.
Preferably, the fourth connecting shaft 19 coincides with a central axis of the fifth connecting shaft 20.
Example 1
As shown in fig. 1 to 5, the 3D printing part internal powder cleaning device based on fast rotation comprises a bracket 210, a housing device 2, a motor 1, a first conical gear 3, a second conical gear 4, a third conical gear 5, a first connecting shaft 6, a first synchronous pulley 7, a first synchronous belt 8, a second connecting shaft 9, a second synchronous pulley 10, a fourth conical gear 11, a fifth conical gear 12, a third connecting shaft 13, a first cylindrical gear 14, a second cylindrical gear 15, a hammer shaft 16, a hammer 17, a part fixing platform 18, a fourth connecting shaft 19 and a fifth connecting shaft 20. The housing device 2 includes a first housing 201, a second housing 202, a third housing 203, a fourth housing 204, a fifth housing 205, and a sixth housing 208, the sixth housing 208 is fixed on a bracket 210, and the sixth housing 208 is a sphere with a chamber inside. The bracket 210 is connected to the lower side of the sixth housing 208 by a structure having a hollow center and four support columns at four corners.
The motor 1 is fixedly installed on the first shell 201, the motor 1 is connected with the first conical gear 3 through the motor 1 shaft, the first conical gear 3 is fixedly connected onto the first shell 201 through a bearing and a retainer ring, the second conical gear 4 is meshed with the first conical gear 3, the second conical gear 4 is connected with the fifth connecting shaft 20, and the fifth connecting shaft 20 is fixedly connected with one side of the sixth shell 208 through connecting pieces such as a bearing and a retainer ring. One end of a part fixing platform 18 located in the cavity is connected with the fifth connecting shaft 20 through a pin, the other end of the part fixing platform 18 is connected with the fourth connecting shaft 19 through a pin, the fourth connecting shaft 19 is connected with the other side of the sixth shell 208 through parts such as a bearing and a check ring, the motor 1 rotates to drive the part fixing platform 18 to rotate, wherein the fourth connecting shaft 19 coincides with the central axis of the fifth connecting shaft 20, and in the embodiment, the central axis coincides with the straight line of the diameter of the sixth shell 208.
The third bevel gear 5 is meshed with the second bevel gear 4, one end of the first connecting shaft 6 is connected with the third bevel gear 5, the other end of the first connecting shaft is connected with the first synchronous belt pulley 7, the first connecting shaft 6 is installed on the first shell 201 through parts such as a bearing and a check ring, the first synchronous belt pulley 7 is meshed with one end of the first synchronous belt 8, the other end of the first synchronous belt 8 is meshed with the second synchronous belt pulley 10, the second synchronous belt pulley 10 is connected with the second connecting shaft 9, the second connecting shaft 9 is connected with the fourth bevel gear 11, and two ends of the second connecting shaft 9 are installed on the second shell 202 through parts such as a bearing and a check ring. The fifth conical gear 12 is engaged with the fourth conical gear 11, the fifth conical gear 12 is connected with one end of a third connecting shaft 13, the other end of the third connecting shaft 13 is connected with the first cylindrical gear 14, and the third connecting shaft 13 is mounted on the third housing 203 through a bearing, a retainer ring and other parts. The second cylindrical gear 15 is engaged with the first cylindrical gear 14, the second cylindrical gear 15 is connected with the hammer shaft 16, the hammer 17 is fixed at the other end of the hammer shaft 16, the hammer shaft 16 is mounted on the fourth housing 204 through a bearing and other parts, and the motor 1 drives the part fixing platform 18 to rotate and simultaneously drives the hammer 17 to rotate. The central axes of the first conical gear 3 and the third conical gear 5 are parallel, the central axes of the fourth conical gear 11 and the third conical gear 5 are parallel, and the axes of the first conical gear 3, the third conical gear 5 and the fourth conical gear 11 are positioned on the same plane.
The first conical gear 3, the second conical gear 4, the third conical gear 5 and the first connecting shaft 6 are located inside the first housing 201, the first synchronous pulley 7, the first synchronous belt 8, the second connecting shaft 9 and the second synchronous pulley 10 are located inside the second housing 202, the fourth conical gear 11 and the fifth conical gear 12 are located inside the third housing 203, the third connecting shaft 13, the first cylindrical gear 14 and the second cylindrical gear 15 are located inside the fourth housing 204, and the hammer 17 is located inside the fifth housing 205. The first housing 201, the second housing 202, the third housing 203 and the fourth housing 204 are not communicated with the sixth housing 208, so that powder is prevented from entering the housings, and pollution to a transmission environment of gears in the transmission device is prevented. The fifth housing 205 is penetrated with the sixth housing 208 to leave a sufficient space for the rotation of the hammer 17. The first shell 201 is fixedly connected to the outside of the sixth shell 208, one end of the second shell 202 is vertically connected to one end of the first shell 201, one end of the third shell 203 is vertically connected to the other end of the second shell 202, one end of the fourth shell 204 is fixedly connected to one side of the third shell 203, the other end of the fourth shell 204 is connected to the fifth shell 205, and one side of the fifth shell 205 is communicated with the outside of the sixth shell 208. In this embodiment, the fifth housing 205 is a flat cylinder or a flat cube, and the hammer 17 is disposed perpendicular to the axis of the fourth connecting shaft 19. The intersection point of the joint of the fifth shell 205 and the sixth shell 208 and the intersection point of the joint of the axis of the fifth connecting shaft 20 and the sixth shell 208 form an angle of 90 ° with two connecting lines between the centers of circles of the sixth shells 208.
The upper and lower both sides of sixth casing 208 are equipped with 8 high pressure nozzle 206, and each fixed mounting of upper and lower both sides is four, and the longitudinal symmetry sets up, and four high pressure nozzle 206 of upper and lower side are the equidistant setting around the circumferencial direction, because 3D prints part structure more complicated, sometimes the part surface also can adhere to the powder, and high pressure nozzle can clear up the powder on part surface, need not carry out manual cleaning again. The top center of the sixth housing 208 is fixedly provided with an air outlet 207 with a filter, and the air outlet is used for discharging air entering the device from the high-pressure nozzle, so that the internal pressure of the device is stable. And the air outlet 207 with the filter is arranged at the central part, which is more favorable for gas discharge and ensures that the pressure intensity at different positions in the device is approximately the same. The bottom center of the sixth shell 208 is fixedly provided with a powder outlet 209 for conveying powder in the parts, the bottom center of the sixth shell 208 is the lowest position of the whole device, and the powder outlet 209 is arranged at the bottom center, so that the powder discharging device is more beneficial to cleaning and does not need to be cleaned subsequently. Wherein, the high-pressure nozzle 206 and the powder outlet 209 on the lower side are both positioned in the hollow structure in the middle of the bracket 210.
The working principle of the invention is as follows: the motor 1 is started, the first conical gear 3 is driven to rotate through the shaft of the motor 1, the first conical gear 3 rotates to drive the second conical gear 4 to rotate, the second conical gear 4 is connected with the fifth connecting shaft 20, the central axes of the fifth connecting shaft 20 and the fourth connecting shaft 19 are on the same axis, the fifth connecting shaft 20 and the fourth connecting shaft 19 are connected with the part fixing platform 18 through pins, and therefore the second conical gear 4 rotates to drive the fifth connecting shaft 20, the part fixing platform 18 and the fourth connecting shaft 19 to rotate; the second bevel gear 4 drives parts such as a part fixing platform 18 and the like to rotate and simultaneously drives a third bevel gear 5 to rotate, the third bevel gear 5 drives a first connecting shaft 6 to rotate, the first connecting shaft 6 drives a first synchronous pulley 7 to rotate, the first synchronous pulley 7 drives a second synchronous pulley 10 to rotate through a first synchronous belt 8, the second synchronous pulley 10 drives a second connecting shaft 9 to rotate, the second connecting shaft 9 drives a fourth bevel gear 11, the fourth bevel gear 11 drives a third connecting shaft 13 to rotate, the third connecting shaft 13 drives a first cylindrical gear 14 to rotate, the first cylindrical gear 14 rotates and drives a second cylindrical gear 15 to rotate, the second cylindrical gear 15 rotates and drives a hammer shaft 16 to rotate, the hammer 17 is fixedly arranged on the hammer shaft 16, and the hammer shaft 16 rotates and drives the hammer 17 to rotate; the motor 1 drives the part fixing platform 18 to rotate and simultaneously drives the hammer 17 to rotate, and the relative rotating speed between the hammer 17 and the part fixing platform 18 can be controlled through the transmission ratio of the transmission device, so that the frequency of knocking the part fixing platform 18 by the hammer 17 is controlled; the direction of rotation of the hammer 17 is different from that of the part fixing platform 18, the part fixing platform 18 rotates for a circle or several circles, the hammer 17 rotates for a circle, the hammer 17 can contact with the lower side of the part fixing platform 18 once, and the part fixing platform 18 is knocked once; the motor 1 drives the part fixing platform 18 to rotate rapidly, the part is fixed on the part fixing platform 18, the part is driven to rotate rapidly, and powder in the part is cleaned to the outside of the part through the rapid rotation; the part fixing platform 18 is knocked by the hammer 17, the part fixing platform 18 can vibrate, powder in the part becomes loose through vibration, and the powder in the part is more conveniently cleaned out.
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; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides an inside powder cleaning device of 3D printing part based on fast turn-round, its characterized in that includes: the device comprises a bracket (210), a shell device (2) fixed on the bracket (210), a part fixing device arranged in the shell device (2), a driving device arranged in the shell device (2) and a hammer device connected with the driving device;
the shell device (2) comprises a first shell (201), a second shell (202), a third shell (203), a fourth shell (204), a fifth shell (205) and a sixth shell (208), wherein the first shell (201), the second shell (202), the third shell (203), the fourth shell (204) and the fifth shell (205) are fixedly connected to the outside of the sixth shell (208);
the driving device comprises a motor (1) and a transmission device, wherein the motor (1) provides a power source for the whole device, and the transmission device comprises a first conical gear (3), a second conical gear (4), a third conical gear (5), a first connecting shaft (6), a first synchronous belt pulley (7), a first synchronous belt (8), a second connecting shaft (9), a second synchronous belt pulley (10), a fourth conical gear (11), a fifth conical gear (12), a third connecting shaft (13), a first cylindrical gear (14) and a second cylindrical gear (15);
the motor (1) is arranged at the end part of the first shell (201), the motor (1) is connected with the first conical gear (3) through a motor (1) shaft, the first conical gear (3) is meshed and connected with the second conical gear (4), the second conical gear (4) is meshed and connected with the third conical gear (5), the third conical gear (5) is connected with one end of the first connecting shaft (6), the other end of the first connecting shaft (6) is connected with the first synchronous belt wheel (7), the first synchronous belt wheel (7) is meshed and connected with one end of the first synchronous belt (8), the other end of the first synchronous belt (8) is meshed and connected with the second synchronous belt wheel (10), the second synchronous belt wheel (10) is connected with one end of the second connecting shaft (9), and the other end of the second connecting shaft (9) is connected with the fourth conical gear (11), the fourth conical gear (11) is connected with the fifth conical gear (12) in a meshed mode, the fifth conical gear (12) is connected to one end of the third connecting shaft (13), the other end of the third connecting shaft (13) is connected with the first cylindrical gear (14), and the first cylindrical gear (14) is connected with the second cylindrical gear (15) in a meshed mode; the first connecting shaft (6) is fixedly connected to the first shell (201), the second connecting shaft (9) is fixedly connected to the second shell (202), and the third connecting shaft (13) is fixedly connected to the third shell (203);
the part fixing device comprises a fifth connecting shaft (20) connected with the second bevel gear (4), a part fixing platform (18) with one end connected to the fifth connecting shaft (20), and a fourth connecting shaft (19) connected to the other end of the part fixing platform (18), wherein the fourth connecting shaft (19) and the fifth connecting shaft (20) are fixedly connected to two sides of a sixth shell (208) respectively;
the hammer device comprises a hammer shaft (16) connected with the second cylindrical gear (15) and a hammer (17) connected with the hammer shaft (16), the hammer shaft (16) is fixedly connected to the fourth shell (204), the hammer (17) is positioned inside the fifth shell (205), and the hammer (17) rotates around the hammer shaft (16) in the circumferential direction inside the fifth shell (205); the fifth housing (205) is communicated with the sixth housing (208) to leave a sufficient space for the rotation of the hammer (17);
in the working process, motor (1) drives simultaneously part fixed platform (18) with hammer (17) rotate, part fixed mounting utilize the fast turn-round of part on part fixed platform (18), clear up out the inside powder of part, hammer (17) with part fixed platform (18) rotate simultaneously, hammer (17) with part fixed platform (18) contact is once, right part fixed platform (18) are strikeed once, part fixed platform (18) produce vibration, make the inside powder of part become loose through the vibration.
2. The 3D printing part internal powder cleaning device based on rapid rotation according to claim 1, wherein the first shell (201), the second shell (202), the third shell (203) and the fourth shell (204) are not communicated with the sixth shell (208), so that powder is prevented from entering the shells and polluting the transmission environment of gears in a transmission.
3. The fast rotation based 3D printing part internal powder cleaning device according to claim 1 or 2, characterized in that the sixth housing (208) is a sphere with a cavity inside, and the part fixing device is located in the cavity.
4. The fast-rotation-based 3D printing part internal powder cleaning device is characterized in that at least 8 high-pressure nozzles (206) are arranged on the upper side and the lower side of the sixth shell (208).
5. The fast-rotation-based 3D printed part internal powder cleaning device as claimed in claim 3, characterized in that the top of the sixth housing (208) is provided with a gas outlet hole (207) with a filter.
6. The 3D printing part internal powder cleaning device based on rapid rotation according to claim 3, characterized in that the bottom of the sixth shell (208) is provided with a powder outlet (209) for conveying out powder in the part.
7. The fast rotation based 3D printed part internal powder cleaning device according to claim 1, characterized in that the central axes of the first conical gear (3) and the third conical gear (5) are parallel, and the central axes of the fourth conical gear (11) and the third conical gear (5) are parallel.
8. The fast rotation based 3D printed part internal powder cleaning device according to claim 1 or 7, characterized in that the axes of the first conical gear (3), the third conical gear (5) and the fourth conical gear (11) are located on the same plane.
9. The fast rotation based 3D printed part internal powder cleaning device according to claim 1, characterized in that the fourth connecting shaft (19) coincides with the central axis of the fifth connecting shaft (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007072.4A CN111113900B (en) | 2020-01-03 | 2020-01-03 | Inside powder cleaning device of 3D printing part based on fast turn-round |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007072.4A CN111113900B (en) | 2020-01-03 | 2020-01-03 | Inside powder cleaning device of 3D printing part based on fast turn-round |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111113900A CN111113900A (en) | 2020-05-08 |
| CN111113900B true CN111113900B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010007072.4A Active CN111113900B (en) | 2020-01-03 | 2020-01-03 | Inside powder cleaning device of 3D printing part based on fast turn-round |
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| Country | Link |
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| CN (1) | CN111113900B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104487191A (en) * | 2012-06-01 | 2015-04-01 | 米其林集团总公司 | Machine and method for powder-based additive manufacturing |
| WO2017017274A1 (en) * | 2015-07-30 | 2017-02-02 | Compagnie Generale Des Etablissements Michelin | Method for the dry-cleaning of additive manufacturing plates |
| CN208867584U (en) * | 2018-06-26 | 2019-05-17 | 湖北汽车工业学院 | A kind of inner cavity cleaning plant of 3D printing polystyrene product |
-
2020
- 2020-01-03 CN CN202010007072.4A patent/CN111113900B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104487191A (en) * | 2012-06-01 | 2015-04-01 | 米其林集团总公司 | Machine and method for powder-based additive manufacturing |
| WO2017017274A1 (en) * | 2015-07-30 | 2017-02-02 | Compagnie Generale Des Etablissements Michelin | Method for the dry-cleaning of additive manufacturing plates |
| CN208867584U (en) * | 2018-06-26 | 2019-05-17 | 湖北汽车工业学院 | A kind of inner cavity cleaning plant of 3D printing polystyrene product |
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| Publication number | Publication date |
|---|---|
| CN111113900A (en) | 2020-05-08 |
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