CN111594616A - 3D prints elevating platform sealing device - Google Patents
3D prints elevating platform sealing device Download PDFInfo
- Publication number
- CN111594616A CN111594616A CN202010453170.0A CN202010453170A CN111594616A CN 111594616 A CN111594616 A CN 111594616A CN 202010453170 A CN202010453170 A CN 202010453170A CN 111594616 A CN111594616 A CN 111594616A
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- China
- Prior art keywords
- sealing
- lifting platform
- lifting
- groove
- printing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
- F16J15/28—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a 3D printing lifting platform sealing device, which comprises: the printing workbench is provided with a vertically arranged lifting channel, and a lifting platform is arranged in the lifting channel; the sealing assembly comprises a plurality of alternately arranged sealing seats and sealing blocks which are arranged at the outer edge of the lifting platform; the sealing block is provided with a first abutting surface and a second abutting surface which are tightly attached to the inner wall of the lifting channel; the first abutting surface is provided with a first groove, the second abutting surface is provided with a second groove, one end of the sealing strip is arranged in the first groove of one sealing block, and the other end of the sealing strip is arranged in the second groove of the other sealing block. When the sealing device is used, the sealing strip is pressed against the inner wall of the lifting channel under the compression of the sealing seat, and meanwhile, the sealing block is tightly attached to the inner wall of the lifting channel, so that the purpose of sealing is achieved.
Description
Technical Field
The invention relates to the field of 3D printing equipment, in particular to a sealing device for a 3D printing lifting table.
Background
In a conventional 3D printer, for example, a sand mold 3D printer, a printing head generally moves along an X axis and a Y axis, and a lifting table capable of moving along a Z axis is disposed in the middle of a printing table, so that the printing head can perform three-dimensional position change relative to the lifting table. In order to prevent sand grains from falling into the lifting platform to damage a mechanical structure, a 3D printing lifting platform sealing device is required to be designed to seal between the lifting platform and the printing working platform.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a sealing device for a 3D printing lifting table.
According to the 3D printing elevating platform sealing device of the embodiment of the invention, the device comprises: the printing workbench is provided with a vertically arranged lifting channel, and a lifting platform is arranged in the lifting channel; the sealing assembly comprises a plurality of sealing components arranged on the outer edge of the lifting platform, the sealing components are in sliding connection with the lifting platform, the sliding direction is the radial direction of the lifting channel, one part of the sealing components are sealing seats, the other part of the sealing components are sealing blocks, the sealing seats and the sealing blocks are alternately arranged, and gaps are arranged between the sealing seats and the sealing blocks; the sealing block is provided with a first abutting surface and a second abutting surface, and the first abutting surface and the second abutting surface are tightly attached to the inner wall of the lifting channel; be equipped with first recess on the first butt face, be equipped with the second recess on the second butt face, the both ends of sealing strip protrusion respectively in the seal receptacle, one is located to the one end of sealing strip in the first recess of sealed piece, another is located to the other end of sealing strip in the second recess of sealed piece, the sealing strip with sealed piece end to end.
The 3D printing lifting platform sealing device provided by the embodiment of the invention at least has the following technical effects: when the sealing device is used, the sealing strip is pressed against the inner wall of the lifting channel under the compression of the sealing seat, and the sealing block is tightly attached to the inner wall of the lifting channel, so that the purpose of sealing is achieved; when the sealing strip is aged or deformed, the position of the sealing seat can be adjusted, so that the sealing strip is kept to abut against the inner wall of the lifting channel, and the sealing effect is good; when the sealing strip is damaged, the movable sealing seat is far away from the inner wall of the lifting channel, so that the sealing strip is convenient to replace.
According to some embodiments of the invention, two supporting blocks are arranged on the sealing block, the two supporting blocks are respectively arranged at the sides of the first groove and the second groove, the two supporting blocks are respectively abutted against the two sealing strips, and the two sealing strips are respectively arranged between the two supporting blocks and the inner wall of the lifting channel.
According to some embodiments of the invention, the seal seat is provided with a third groove, and the seal strip is arranged in the third groove.
According to some embodiments of the invention, the lifting platform is rectangular, four sealing blocks are respectively arranged at four corners of the lifting platform, and four sealing seats are respectively arranged at four sides of the lifting platform.
According to some embodiments of the invention, the lifting platform is provided with a plurality of elastic members, and two ends of each elastic member are respectively connected with the lifting platform and the sealing member.
According to some embodiments of the invention, the sealing block is made of a copper alloy.
According to some embodiments of the present invention, the sealing member is disposed on the top surface of the lifting platform, the sealing member is provided with a plurality of kidney-shaped grooves, the kidney-shaped grooves extend along the radial direction of the lifting channel, and the kidney-shaped grooves are provided with vertically disposed guide rods, and the guide rods are fixedly connected to the lifting platform.
According to some embodiments of the invention, the top surface of the lift table is provided with a boss, and the seal assembly surrounds the boss.
According to some embodiments of the invention, the sealing seat is provided with at least two kidney-shaped grooves, and the two kidney-shaped grooves are arranged at intervals.
According to some embodiments of the invention, the guide rod is a first bolt, the lifting platform is provided with an internal threaded hole corresponding to the kidney-shaped groove, and the bottom of the first bolt is arranged in the internal threaded hole.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a structural plan view of a 3D printing lifting table sealing device according to an embodiment of the present invention;
FIG. 2 is a front view of the 3D printing lifting platform sealing device according to the embodiment of the invention;
fig. 3 is an enlarged partial sectional view of a portion a in fig. 1.
Reference numerals:
the printing device comprises a printing workbench 100, a lifting table 110, an elastic member 120, a boss 130, a steel plate 140, a lifting channel 150, a sealing seat 210, a sealing strip 220, a sealing block 300, a first groove 310, a second abutting surface 320, a support block 330, a first bolt 410 and a kidney-shaped groove 420.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
A 3D printing elevating table sealing apparatus according to an embodiment of the present invention is described below with reference to fig. 1 to 3.
According to the 3D printing elevating platform sealing device of the embodiment of the invention, the device comprises: the printing device comprises a printing workbench 100, wherein a lifting channel 150 which is vertically arranged is arranged on the printing workbench 100, and a lifting platform 110 is arranged in the lifting channel 150; the sealing assembly comprises a plurality of sealing components arranged at the outer edge of the lifting platform 110, the sealing components are connected with the lifting platform 110 in a sliding manner, the sliding direction is the radial direction of the lifting channel 150, one part of the sealing components is a sealing seat 210, the other part of the sealing components is a sealing block 300, the sealing seat 210 and the sealing block 300 are alternately arranged, and a gap is arranged between the sealing seat 210 and the sealing block 300; the sealing seat 210 is provided with a sealing strip 220, the sealing strip 220 is arranged between the sealing seat 210 and the inner wall of the lifting channel 150, the sealing block 300 is provided with a first abutting surface and a second abutting surface 320, and the first abutting surface and the second abutting surface 320 are tightly attached to the inner wall of the lifting channel 150; the first abutting surface is provided with a first groove 310, the second abutting surface 320 is provided with a second groove, two ends of the sealing strip 220 respectively protrude out of the sealing seat 210, one end of the sealing strip 220 is arranged in the first groove 310 of one sealing block 300, the other end of the sealing strip 220 is arranged in the second groove of the other sealing block 300, and the sealing strip 220 and the sealing blocks 300 are connected end to end.
For example, as shown in fig. 1 and 2, the lifting platform 110 is rectangular, the lifting channel 150 is quadrangular, the upper side of the lifting channel 150 is open, four sealing blocks 300 are respectively arranged at four corners of the lifting platform 110, four sealing seats 210 are respectively arranged at four sides of the lifting platform 110, and the sealing seats 210 are elongated; the first abutting surface and the second abutting surface 320 of the sealing block 300 abut against two adjacent side surfaces of the lifting channel 150 respectively, and the sealing block 300 completes sealing at a corner; taking the left rear corner sealing block 300 as an example, the right end of the first groove 310 is open, the sealing strip 220 located at the rear side of the lifting platform 110 can extend into the first groove 310 from right to left, the front end of the second groove is open, and the sealing strip 220 located at the left side of the lifting platform 110 can extend into the second groove from front to back; the lifting platform 110 may also be in other polygonal shapes or circular shapes, and when the lifting platform 110 is in a circular shape, the first abutting surface and the second abutting surface 320 may be the same arc surface, and the first groove 310 and the second groove may be the same arc groove; wherein, the sealing strip 220 can be a rubber sealing strip 220; the lifting platform 110 can be lifted by a hydraulic cylinder, an electric push rod or other driving mechanism, which is well known in the art and will not be described herein.
When in use, the elastic member 120 can be arranged to make the sealing seat 210 move towards the inner wall of the lifting channel 150, or the sealing seat 210 can be detachably mounted on the lifting platform 110, the sealing strip 220 is pressed against the inner wall of the lifting channel 150 under the pressure of the sealing seat 210, and the sealing block 300 is tightly attached to the inner wall of the lifting channel 150, so as to achieve the purpose of sealing; when the sealing strip 220 is aged or deformed, the position of the sealing seat 210 can be adjusted, so that the sealing strip 220 is kept to abut against the inner wall of the lifting channel 150, and the sealing effect is good; when the sealing strip 220 is damaged, the sealing seat 210 can be moved away from the inner wall of the lifting channel 150, so that the sealing strip 220 can be conveniently replaced; a gap is provided between the sealing seat 210 and the sealing block 300, so that the sealing block 300 can move along the axial direction of the lifting channel 150 and abut against the end of the sealing strip 220.
In some embodiments of the present invention, two supporting blocks 330 are disposed on the sealing block 300, the two supporting blocks 330 are disposed beside the first groove 310 and the second groove, the two supporting blocks 330 are abutted to the two sealing strips 220, and the two sealing strips 220 are disposed between the two supporting blocks 330 and the inner wall of the lifting channel 150. Taking the left rear corner sealing block 300 as an example, as shown in fig. 3, one of the supporting blocks 330 is disposed on the right side of the sealing block 300 and supports against the sealing strip 220 from front to back, and the other supporting block 330 is disposed on the front side of the sealing block 300 and supports against the other sealing strip 220 from right to left, so that the end of the sealing strip 220 can be prevented from falling out of the first groove 310 or the second groove, the sealing block 300 and the two supporting blocks 330 can be integrally formed by using a copper alloy, the sealing channel can be made of stainless steel, the sliding friction coefficient of the copper alloy and the stainless steel is small, and the abrasion of the sealing block 300 is reduced.
In some embodiments of the present invention, a third groove is formed on the sealing seat 210, and the sealing strip 220 is disposed in the third groove. Thus, the sealing strip 220 is convenient to position and mount, and the sealing strip 220 is prevented from falling off from the sealing seat 210; taking the sealing seat 210 disposed at the rear side of the lifting platform 110 as an example, the third groove is disposed at the rear side surface of the sealing seat 210, and the third groove transversely penetrates through the sealing seat 210.
In some embodiments of the present invention, a plurality of elastic members 120 are disposed on the lifting platform 110, and both ends of the elastic members 120 are respectively connected to the lifting platform 110 and the sealing member. The elastic member 120 may be a spring, and both ends of the spring are respectively connected to the lifting platform 110 and the sealing member, so that the sealing member tends to move toward the inner wall of the lifting channel 150.
In some embodiments of the present invention, the sealing member is disposed on the top surface of the lifting platform 110, the sealing member is provided with a plurality of slots 420, the slots 420 extend along the radial direction of the lifting channel 150, and the slots 420 are provided with vertically disposed guide rods, which are fixedly connected to the lifting platform 110. Taking the sealing block 300 at the rear left corner as an example, the kidney groove 420 extends from the rear left to the front right; taking the sealing seat 210 located at the rear side of the lifting table 110 as an example, the kidney-shaped grooves 420 extend forward and backward, and in addition, in order to make the movement of the sealing seat 210 more stable, at least two kidney-shaped grooves 420 are arranged on the sealing seat 210, and the two kidney-shaped grooves 420 are arranged at left and right intervals; the sealing block 300 or the sealing seat 210 can slide on the top surface of the lifting platform 110, but the sealing block 300 or the sealing seat 210 can also be connected in a sliding manner through a rail-slider structure, a dovetail-T-nut structure or other suitable structures.
In some embodiments of the present invention, the top surface of the lift table 110 is provided with a boss 130, and the sealing assembly surrounds the boss 130. Thus, the printing head can print on the boss 130, the sealing component can not obstruct the working of the printing head, and the printing head is prevented from colliding with the sealing component; one end of the spring is abutted against the elevating table 110, and the other end is abutted against the sealing member, so that the sealing member tends to move towards the inner wall of the elevating channel 150; in addition, a steel plate 140 can be covered on the boss 130, the printing head performs printing work on the steel plate 140, and the steel plate 140 covers the kidney-shaped groove 420 and can prevent sand grains from falling into the kidney-shaped groove 420.
In some embodiments of the present invention, the guide rod is a first bolt 410, the lifting platform 110 is provided with an internal threaded hole corresponding to the kidney-shaped slot 420, and the bottom of the first bolt 410 is provided in the internal threaded hole. Thus, the sealing component is convenient to mount and dismount; in addition, after the position of the sealing member is moved to a proper position, the first bolt 410 may be tightened to fix the sealing member, so that the sealing strip 220 can be pressed against the inner wall of the elevation channel 150 even without a spring because the sealing strip 220 itself has a certain elasticity.
While the preferred embodiments of the present invention have been described in detail, it should be understood that the invention is not limited to those precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a 3D prints elevating platform sealing device which characterized in that includes:
the printing workbench is provided with a vertically arranged lifting channel, and a lifting platform is arranged in the lifting channel;
the sealing assembly comprises a plurality of sealing components arranged on the outer edge of the lifting platform, the sealing components are in sliding connection with the lifting platform, the sliding direction is the radial direction of the lifting channel, one part of the sealing components are sealing seats, the other part of the sealing components are sealing blocks, the sealing seats and the sealing blocks are alternately arranged, and gaps are arranged between the sealing seats and the sealing blocks; the sealing block is provided with a first abutting surface and a second abutting surface, and the first abutting surface and the second abutting surface are tightly attached to the inner wall of the lifting channel; be equipped with first recess on the first butt face, be equipped with the second recess on the second butt face, the both ends of sealing strip protrusion respectively in the seal receptacle, one is located to the one end of sealing strip in the first recess of sealed piece, another is located to the other end of sealing strip in the second recess of sealed piece, the sealing strip with sealed piece end to end.
2. The 3D printing lift table sealing device of claim 1, wherein: the sealing device is characterized in that two supporting blocks are arranged on the sealing block, the two supporting blocks are arranged beside the first groove and the second groove respectively, the two supporting blocks are abutted to the two sealing strips respectively, and the two sealing strips are arranged between the two supporting blocks and the inner wall of the lifting channel respectively.
3. The 3D printing lift table sealing device of claim 1, wherein: and a third groove is formed in the sealing seat, and the sealing strip is arranged in the third groove.
4. The 3D printing lift table sealing device of claim 1, wherein: the lifting platform is rectangular, four sealing blocks are arranged at four corners of the lifting platform respectively, and four sealing seats are arranged at four sides of the lifting platform respectively.
5. The 3D printing lift table sealing device of claim 1, wherein: the lifting platform is provided with a plurality of elastic members, and two ends of each elastic member are respectively connected with the lifting platform and the sealing member.
6. The 3D printing lift table sealing device of claim 1, wherein: the sealing block is made of copper alloy.
7. The 3D printing lift table sealing device according to any one of claims 1 to 6, wherein: the sealing member is arranged on the top surface of the lifting platform, a plurality of kidney-shaped grooves are formed in the sealing member, the kidney-shaped grooves extend along the radial direction of the lifting channel, vertically arranged guide rods are arranged in the kidney-shaped grooves, and the guide rods are fixedly connected with the lifting platform.
8. The 3D printing lift table sealing device of claim 7, wherein: the top surface of elevating platform is equipped with the boss, seal assembly encircles the boss.
9. The 3D printing lift table sealing device of claim 7, wherein: the sealing seat is provided with at least two kidney-shaped grooves which are arranged at intervals.
10. The 3D printing lift table sealing device of claim 7, wherein: the guide rod is a first bolt, an internal threaded hole is formed in the position, corresponding to the kidney-shaped groove, of the lifting platform, and the bottom of the first bolt is arranged in the internal threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453170.0A CN111594616A (en) | 2020-05-26 | 2020-05-26 | 3D prints elevating platform sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453170.0A CN111594616A (en) | 2020-05-26 | 2020-05-26 | 3D prints elevating platform sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111594616A true CN111594616A (en) | 2020-08-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010453170.0A Pending CN111594616A (en) | 2020-05-26 | 2020-05-26 | 3D prints elevating platform sealing device |
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| Country | Link |
|---|---|
| CN (1) | CN111594616A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266675A (en) * | 2021-04-23 | 2021-08-17 | 广东累层科技发展有限公司 | Material box sealing structure, material box and printing device |
-
2020
- 2020-05-26 CN CN202010453170.0A patent/CN111594616A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266675A (en) * | 2021-04-23 | 2021-08-17 | 广东累层科技发展有限公司 | Material box sealing structure, material box and printing device |
| CN113266675B (en) * | 2021-04-23 | 2023-11-28 | 广东累层科技发展有限公司 | Printing device |
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