CN112605878A - 3D printing pipeline inner surface processing device and processing method - Google Patents
3D printing pipeline inner surface processing device and processing method Download PDFInfo
- Publication number
- CN112605878A CN112605878A CN202011470157.2A CN202011470157A CN112605878A CN 112605878 A CN112605878 A CN 112605878A CN 202011470157 A CN202011470157 A CN 202011470157A CN 112605878 A CN112605878 A CN 112605878A
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- Prior art keywords
- annular
- polishing
- printing
- spherical
- printing pipeline
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
- B24B31/116—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using plastically deformable grinding compound, moved relatively to the workpiece under the influence of pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention relates to the technical field of 3D printing, and provides a device and a method for processing the inner surface of a 3D printing pipeline, aiming at solving the problem that the roughness of the inner surface of the 3D printing pipeline cannot be obviously reduced when the inner surface of the 3D printing pipeline is processed in an abrasive particle flow mode; the flexible polishing tool comprises a flexible polishing tool consisting of a plurality of polishing units which are sequentially connected end to end, and chain heads are arranged at two ends of the flexible polishing tool; the polishing unit comprises a spherical head portion, a yielding neck portion and an annular grinding cutter portion which are sequentially connected and coaxial, wherein the annular outer wall of the annular grinding cutter portion is ground in an arc shape from the center to the edge, and an annular blocking portion is integrally formed on one side, close to the yielding neck portion, of the side wall of the spherical head portion. The method is particularly suitable for the treatment of the inner surface of the 3D printing pipeline, and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a device and a method for processing the inner surface of a 3D printing pipeline.
Background
In the prior art, the inner surface of a 3D printing pipeline is mainly processed in an abrasive flow mode. The specific working principle is as follows: abrasive flow abrasive (paste and diamond particles) is continuously introduced into the 3D printing pipeline through the equipment, so that the abrasive and the inner surface of the 3D printing pipeline are continuously rubbed, and the inner surface of the 3D printing pipeline is improved.
There are two significant problems with this type of internal surface treatment with abrasive particle flow:
1. the abrasive of the abrasive flow is pasty, so that the flow resistance is high, the flowing speed of the abrasive is low, and the roughness of the inner surface of the 3D printing pipeline cannot be obviously reduced;
2. the 3D who has done abrasive flow and has handled prints the pipeline content and easily remains the abrasive material, and difficult sanitization influences the 3D and prints the pipeline and use.
Therefore, the device and the method for processing the inner surface of the 3D printing pipeline are provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a 3D printing pipeline inner surface treatment device and a treatment method, which overcome the defects of the prior art, have reasonable design and compact structure and aim to solve the problem that the roughness of the 3D printing pipeline inner surface cannot be obviously reduced when the treatment of the 3D printing pipeline inner surface is carried out in an abrasive particle flow mode; and the abrasive material is easy to remain, and the cleaning is difficult, which influences the use of the 3D printing pipeline.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
A3D printing pipeline inner surface processing device comprises a flexible polishing tool consisting of a plurality of polishing units which are sequentially connected end to end, wherein chain heads are arranged at two ends of the flexible polishing tool;
the polishing unit comprises a spherical head part, a abdicating neck part and an annular polishing knife part which are sequentially connected and coaxial, the annular outer wall of the annular polishing knife part is an arc-shaped polishing knife protruding from the center to the edge, an annular blocking part is integrally formed on one side, close to the abdicating neck part, of the side wall of the spherical head part, one end, far away from the spherical head part, of the annular polishing knife part is inwards recessed to form a spherical groove, and the inner diameter of the spherical groove is consistent with the spherical diameter of the spherical head part;
the side wall of the spherical groove, which is far away from one side of the spherical head part, is provided with an annular groove, the axis of the annular groove is superposed with the axis of the spherical head part, the groove bottom of the annular groove is concave into an arc shape, the sphere center of the annular groove is superposed with the sphere center of the spherical groove, the sphere center is positioned in the annular groove, and the sphere diameter of the arc groove bottom of the annular groove is larger than that of the spherical groove and is matched with the outer diameter of the annular blocking part.
Preferably, the side of the ball head portion remote from the abdicating neck is cut away to form a top plane, and the top plane is perpendicular to the axis of the sharpening unit.
Preferably, the chain head located on the upper side is provided with a rope buckle through a traction rope I, the other end of the rope buckle is rotatably sleeved on the edge of the side wall of the rotating disc, and the rotating disc is fixedly installed on the output end of the driving motor.
Preferably, the traction rope I is sleeved with a traction sleeve for limiting the vertical movement of the lower part of the rope body.
Preferably, be located the downside chain is overhead installs down the positioning unit, and lower positioning unit includes to install through haulage rope II and wears the conical head down on being located the downside chain, wears the conical head down and extends to the inside of locating piece and through the detachable connection of locating pin.
Preferably, the width dimension of the annular groove is greater than the width dimension of the annular blocking portion.
Preferably, the outer side wall of the annular blocking part protrudes outwards to form an arc structure.
Preferably, the middle part of the polishing unit is provided with a threading hole communicated with the top wall of the spherical groove along the axis.
The invention also comprises a method for processing the inner surface of the 3D printing pipeline, which comprises the following steps:
s1, enabling one end of the flexible grinding tool to penetrate through the 3D printing pipeline, and installing a positioning block at the tail end of the flexible grinding tool through a positioning pin;
s2, the head end of the flexible grinding tool penetrates through the traction sleeve through a traction rope I and is hung on the edge of the rotating disc;
s3, driving a rotating disc to rotate by a driving motor, driving a flexible grinding tool to pull back and forth in the 3D printing pipeline, grinding the 3D printing pipeline back and forth by the arc-shaped grinding knives protruding from the side walls of the annular grinding knife sides, cleaning impurities on the inner wall of the 3D printing pipeline, and reducing the roughness of the inner surface of the 3D printing pipeline;
and S4, after polishing, taking down the positioning block and drawing out the flexible polishing tool to finish pipeline cleaning.
(III) advantageous effects
The embodiment of the invention provides a device and a method for processing the inner surface of a 3D printing pipeline, which have the following beneficial effects:
according to the invention, each polishing unit can rotate around the connecting part for 360 degrees, so that the flexible polishing tool can move along the inside of the 3D printing pipeline; the protruding arc form that has of cooperation annular knife grinding portion lateral wall whets a knife, when this flexible grinding tool is prolonging the inside quick back and forth movement of 3D printing pipeline, can accelerate the friction of grinding tool exterior table and 3D printing pipeline internal surface through mechanical motion to obviously reduce 3D and print pipeline internal surface roughness, 3D prints the inside foreign matter that can not remain of pipeline simultaneously, can not remain the abrasive material yet.
Drawings
The above features, technical features, advantages and implementations of a 3D printing pipeline inner surface processing apparatus and processing method will be further described in the following detailed description of preferred embodiments with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a combined structure of the pipe wall polishing units according to the present invention;
FIG. 3 is a sectional view of a tube wall grinding unit according to the present invention;
FIG. 4 is a perspective view of a combined structure of the tube wall grinding unit according to the present invention;
fig. 5 is a schematic structural diagram of a lower positioning unit according to the present invention.
In the figure: the grinding unit 1, the ball head portion 11, the abdicating neck portion 12, the annular grinding cutter portion 13, the annular separation portion 14, the spherical groove 15, the annular groove 16, the threading hole 17, the chain head 2, the traction rope I3, the lower positioning unit 4, the positioning block 41, the lower threading cone head 42, the positioning pin 43, the traction sleeve 5, the rope buckle 6 and the rotating disc 7.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 5 and examples:
example 1
A3D printing pipeline inner surface processing device comprises a flexible polishing tool consisting of a plurality of polishing units 1 which are sequentially connected end to end, wherein chain heads 2 are arranged at two ends of the flexible polishing tool;
the polishing unit 1 comprises a spherical head part 11, an abdicating neck part 12 and an annular polishing knife part 13 which are sequentially connected and coaxial, the annular outer wall of the annular polishing knife part 13 is an arc-shaped polishing knife protruding from the center to the edge, an annular blocking part 14 is integrally formed on one side of the side wall of the spherical head part 11 close to the abdicating neck part 12, one end, far away from the spherical head part 11, of the annular polishing knife part 13 is inwards recessed to form a spherical groove 15, and the inner diameter of the spherical groove 15 is consistent with the spherical diameter of the spherical head part 11;
an annular groove 16 is formed in the side wall of the spherical groove 15, which is far away from the spherical head part 11, the axis of the annular groove 16 is overlapped with the axis of the spherical head part 11, the groove bottom of the annular groove 16 is concave into an arc shape, the sphere center of the annular groove 16 is overlapped with the sphere center of the spherical groove 15, the sphere center is located in the annular groove 16, and the sphere diameter of the arc-shaped groove bottom of the annular groove 16 is larger than that of the spherical groove 15 and is matched with the outer diameter of the annular blocking part 14.
In this embodiment, as shown in fig. 3 and 4, the side of the ball head 11 away from the abdicating neck 12 is cut away to form a top plane, and the top plane is perpendicular to the axis of the sharpening unit 1.
In this embodiment, as shown in fig. 1, a rope buckle 6 is installed on the chain head 2 located at the upper side through a traction rope i 3, the other end of the rope buckle 6 is rotatably sleeved on the edge of the side wall of the rotating disc 7, and the rotating disc 7 is fixedly installed at the output end of the driving motor.
In this embodiment, as shown in fig. 1, a traction sleeve 5 for limiting the vertical movement of the lower part of the rope body is sleeved on the traction rope i 3.
In this embodiment, as shown in fig. 1 and 5, a lower positioning unit 4 is installed on the chain head 2 located at the lower side, the lower positioning unit 4 includes a lower penetrating conical head 42 installed on the chain head 2 located at the lower side through a pulling rope ii, and the lower penetrating conical head 42 extends to the inside of the positioning block 41 and is detachably connected through a positioning pin 43.
In the present embodiment, the width dimension of the annular groove 16, ltoreq, is greater than the width dimension of the annular blocking portion 14 on the axis; the outer side wall of the annular blocking part 14 protrudes outwards to form an arc structure; the middle part of the polishing unit 1 is provided with a threading hole 17 communicated with the top wall of the spherical groove 15 along the axis, so that the dust-free property, the smoothness and the low friction performance of the flexible ball hinge between two adjacent polishing units 1 are ensured, and the smooth operation of the snake-shaped joint is facilitated.
Example 2
The invention also comprises a method for processing the inner surface of the 3D printing pipeline, which comprises the following steps:
s1, one end of the flexible grinding tool penetrates through the 3D printing pipeline, and a positioning block 41 is installed at the tail end of the flexible grinding tool through a positioning pin 43;
s2, the head end of the flexible grinding tool penetrates through the traction sleeve 5 through a traction rope I3 and is hung on the edge of the rotating disc 7;
s3, driving the rotating disc 7 to rotate by the driving motor, driving the flexible polishing tool to pull back and forth in the 3D printing pipeline, polishing the 3D printing pipeline back and forth by the arc-shaped knife grinder protruding from the side wall of the annular knife grinder 13, cleaning impurities on the inner wall of the 3D printing pipeline, and reducing the roughness of the inner surface of the 3D printing pipeline;
and S4, after polishing, taking down the positioning block 41 and drawing out the flexible polishing tool to finish pipeline cleaning.
Other undescribed structures refer to example 1.
According to the device and the method for processing the inner surface of the 3D printing pipeline, each polishing unit 1 can rotate around the connecting part for 360 degrees, so that the flexible polishing tool can move along the inside of the 3D printing pipeline; 13 lateral wall archs of cooperation annular knife grinding portion have the arc form to whet a knife, when this flexible grinding tool is prolonging the inside quick back and forth movement of 3D printing pipeline, can accelerate the friction of grinding tool exterior table and 3D printing pipeline internal surface through mechanical motion to obviously reduce 3D and print pipeline internal surface roughness, 3D prints the inside foreign matter that can not remain of pipeline simultaneously, can not remain the abrasive material yet.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (9)
1. The device for processing the inner surface of the 3D printing pipeline is characterized by comprising a flexible polishing tool consisting of a plurality of polishing units (1) which are sequentially connected end to end, wherein chain heads (2) are arranged at two ends of the flexible polishing tool;
the polishing unit (1) comprises a spherical head part (11), an abdicating neck part (12) and an annular polishing knife part (13) which are sequentially connected and coaxial, the annular outer wall of the annular polishing knife part (13) is an arc-shaped polishing knife protruding from the center to the edge, an annular blocking part (14) is integrally formed on one side, close to the abdicating neck part (12), of the side wall of the spherical head part (11), one end, far away from the spherical head part (11), of the annular polishing knife part (13) is inwards sunken to form a spherical groove (15), and the inner diameter of the spherical groove (15) is consistent with the spherical diameter of the spherical head part (11);
the spherical groove (15) is far away from and is offered annular groove (16) on the lateral wall of bulb portion (11) one side, the axis of annular groove (16) and the axis coincidence of bulb portion (11), and the tank bottom indent of annular groove (16) becomes the arc, and the centre of sphere of annular groove (16) and the centre of sphere coincidence of spherical groove (15), and the centre of sphere is arranged in annular groove (16), and the sphere diameter of annular groove (16) arc tank bottom is greater than the sphere diameter of spherical groove (15) to external diameter phase-match with annular separation portion (14).
2. The 3D printing line internal surface treatment device of claim 1, wherein: one side of the ball head part (11) far away from the abdicating neck part (12) is cut off to form a top plane, and the top plane is perpendicular to the axis of the grinding unit (1).
3. The 3D printing line internal surface treatment device of claim 1, wherein: the chain head (2) on the upper side is provided with a rope buckle (6) through a traction rope I (3), the other end of the rope buckle (6) is rotatably sleeved on the edge of the side wall of the rotating disc (7), and the rotating disc (7) is fixedly arranged on the output end of the driving motor.
4. A 3D printing line interior surface treatment device as claimed in claim 3, wherein: the traction rope I (3) is sleeved with a traction sleeve (5) used for limiting the vertical movement of the lower part of the rope body.
5. The 3D printing line internal surface treatment device of claim 1, wherein: be located the downside install down positioning unit (4) on chain head (2), lower positioning unit (4) are including installing lower conical head (42) of wearing on being located downside chain head (2) through haulage rope II, wear conical head (42) down and extend to the inside of locating piece (41) and through the detachable connection of locating pin (43).
6. The 3D printing line internal surface treatment device of claim 1, wherein: on the axis, the width dimension Lgroove of the annular groove (16) is larger than the width dimension Lbaffle of the annular baffle part (14).
7. The 3D printing line internal surface treatment device of claim 1, wherein: the outer side wall of the annular blocking part (14) protrudes outwards to form an arc-shaped structure.
8. A 3D printing line interior surface treatment device as claimed in claim 3, wherein: and a threading hole (17) which is communicated with the top wall of the spherical groove (15) is formed in the middle of the polishing unit (1) along the axis.
9. A processing method for the inner surface of a 3D printing pipeline is characterized by comprising the following steps: the method comprises the following steps:
s1, one end of the flexible grinding tool penetrates through the 3D printing pipeline, and a positioning block (41) is installed at the tail end of the flexible grinding tool through a positioning pin (43);
s2, the head end of the flexible grinding tool penetrates through the traction sleeve (5) through the traction rope I (3) and is hung on the edge of the rotating disc (7);
s3, driving a rotating disc (7) to rotate by a driving motor, driving a flexible grinding tool to pull back and forth in the 3D printing pipeline, grinding the 3D printing pipeline back and forth by the arc-shaped grinding knives protruding on the side wall of the annular grinding knife part (13), cleaning impurities on the inner wall of the 3D printing pipeline, and reducing the roughness of the inner surface of the 3D printing pipeline;
and S4, after polishing, taking down the positioning block (41) and drawing out the flexible polishing tool to finish pipeline cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470157.2A CN112605878A (en) | 2020-12-14 | 2020-12-14 | 3D printing pipeline inner surface processing device and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470157.2A CN112605878A (en) | 2020-12-14 | 2020-12-14 | 3D printing pipeline inner surface processing device and processing method |
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| CN112605878A true CN112605878A (en) | 2021-04-06 |
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| CN202011470157.2A Pending CN112605878A (en) | 2020-12-14 | 2020-12-14 | 3D printing pipeline inner surface processing device and processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101233A (en) * | 2021-10-23 | 2022-03-01 | 国网河南省电力公司洛宁县供电公司 | Power pipeline inner wall cleaning device |
| CN117020910A (en) * | 2023-10-07 | 2023-11-10 | 启东市朗盛机械制造有限公司 | Nut reverser burnishing device with pressure monitoring function |
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| CN117020910B (en) * | 2023-10-07 | 2023-12-05 | 启东市朗盛机械制造有限公司 | Nut reverser burnishing device with pressure monitoring function |
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Effective date of registration: 20220531 Address after: 215400 plant 5, No. 101, chenmenjing Road, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province Applicant after: Deyiwei 3D printing technology (Taicang) Co.,Ltd. Address before: 230000 1st floor, No.3, No.96, Chuangxin Avenue, high tech Zone, Hefei City, Anhui Province Applicant before: Hefei Xinshan Aerospace 3D Technology Co.,Ltd. |
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Application publication date: 20210406 |