CN110948864A - 3D printer of convertible nozzle - Google Patents
3D printer of convertible nozzle Download PDFInfo
- Publication number
- CN110948864A CN110948864A CN201911323017.XA CN201911323017A CN110948864A CN 110948864 A CN110948864 A CN 110948864A CN 201911323017 A CN201911323017 A CN 201911323017A CN 110948864 A CN110948864 A CN 110948864A
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- CN
- China
- Prior art keywords
- printing rubber
- eccentric sleeve
- eccentric
- wallboard
- printing
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Classifications
-
- 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/218—Rollers
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention belongs to the technical field of carton printing, and particularly relates to a 3D printer capable of converting nozzles, which ensures that the printing rubber roll can be quickly disassembled and simultaneously ensures the strength of the printing rubber roll and a printing screen roller when the printing rubber roll is tightly attached, and ensures the long-term stability of a printing effect to a great extent, and the printer comprises the printing rubber roll, an eccentric sleeve, a wallboard, an adjusting gear, a driving shaft and a mounting rack, wherein the printing rubber roll, the wallboard, the eccentric sleeve and the adjusting gear are sequentially arranged; the printing rubber roller is provided with bearings at two ends, the bearings are arranged in two side eccentric sleeves, and the eccentric sleeves are two-open type bearing sleeves with eccentric inner holes.
Description
Technical Field
The invention belongs to the technical field of printing, and particularly relates to a 3D printer with a convertible nozzle.
Background
3D printing (3DP) is one kind of rapid prototyping technology, it is one kind based on digital model file, but the use of powdered metal or plastics etc. can bond the material, through the technique of layer-by-layer printing structure object in 3D printing industry, the nozzle of printing unit or printing rubber roll define as the wearing and tearing spare, the rubber that the surface adheres to can appear wearing and tearing of different degrees because of intensity and the permanent of cycle of use, generally need change once in 6-12 months. In order to facilitate replacement, common equipment manufacturers adopt a structural design capable of quickly replacing the printing rubber roller. In order to realize the quick replacement of the printing rubber roller, the prior art has the risks of uneven stress, insufficient strength and the like when the printing rubber roller is tightly attached to the printing screen roller, so that the printing effect is reduced, the imaging quality is influenced, and the printing effect stability is poor.
Disclosure of Invention
Aiming at the problems in the background, the invention aims to provide a 3D printer with a convertible nozzle, which can ensure that a printing rubber roller can be quickly disassembled, ensure the strength of the printing rubber roller and a printing screen roller when the printing rubber roller is tightly attached, and ensure the long-term stability of the printing effect to a great extent.
In order to achieve the purpose, the invention provides a 3D printer capable of converting nozzles, which comprises a printing rubber roller, an eccentric sleeve, a wallboard, an adjusting gear, a driving shaft and a mounting frame, wherein the printing rubber roller, the wallboard, the eccentric sleeve and the adjusting gear are sequentially arranged, the adjusting gear is arranged in an installation hole of the wallboard, the two-open type eccentric sleeve is arranged on the adjusting gear, the printing rubber shaft is arranged in the two-open type eccentric sleeve and detachably connected with the two-open type eccentric sleeve, the adjusting gear comprises a driving side adjusting gear and an operating side adjusting gear, the eccentric sleeve comprises a driving side eccentric sleeve and an operating side eccentric sleeve, and the mounting frame comprises a driving side mounting frame and an operating side mounting frame; the two ends of the printing rubber roller are provided with bearings which are arranged in eccentric sleeves at two sides, the eccentric sleeves are two-open type bearing sleeves with eccentric inner holes, the outer ring of the eccentric sleeve is fixed on an adjusting gear which is arranged on a wallboard hole, a wallboard on the left side in the wallboard is arranged as a driving side wallboard, and the top end of the wall plate is provided with a motor plate, the motor plate is provided with an ink-homogenizing motor, the left output end of the ink-homogenizing motor is provided with a driving chain wheel, the left output end of the driving shaft is provided with a driven chain wheel, the driving chain wheel is in transmission connection with the driven chain wheel through a chain, the side surface of the eccentric sleeve is fixedly arranged on the adjusting gear through a screw, the eccentric sleeve also comprises a mounting frame, the mounting bracket is located first opening below and fixes on the main wall panel sets up first open-ended side, install on the mounting bracket and accept the frame, accept the frame and be located printing rubber roll below.
As a further improvement of the invention, the eccentric sleeve is in a threaded connection double-opening type.
As a further development of the invention, the drive shaft is connected to the printed glue shaft in a plug-in, spline connection or a screw-on connection.
As a further improvement of the invention, both ends of the bearing frame are provided with baffles.
As a further improvement of the invention, the printing rubber roller is sequentially sleeved with an oil seal, a self-aligning roller bearing and an elastic retainer ring for a shaft according to the arrangement direction, and the oil seal and the self-aligning roller bearing are both positioned in the eccentric sleeve.
Compared with the prior art, the printing rubber roll quick replacement device has the following beneficial effects:
(1) because the eccentric sleeve is of a double-opening type, when disassembly is needed, only the screw is required to be disassembled, and the printing rubber roller can be quickly replaced.
(2) The eccentric sleeve and the adjusting gear are both of stepped structures, so that the installation and the positioning are more convenient, and the overall structure is more stable.
(3) By adopting the bearing frame, after the screw of the eccentric sleeve is disassembled, the printing rubber roller can automatically roll onto the bearing frame, so that the printing rubber roller is convenient and quick to remove and replace.
Drawings
Fig. 1 is an exploded view of a switchable nozzle 3D printer of the present invention.
Fig. 2 is a combination diagram of a 3D printer with switchable nozzles of the present invention.
Description of the drawings: 1-printing rubber rollers; 2-driving side adjusting gear; 3-operating side adjusting gear; 4-driving side eccentric sleeve; 5-operating side eccentric sleeve; 6-a drive shaft; 7-oil sealing; 8-a bearing retainer ring; 9-fastening screws; 10-a screw; 13-self-aligning roller bearings; 14-a driven sprocket; 15-a drive sprocket; 16-a motor board; 17-a chain; 18-a leveling motor; 20-wallboard; 21-a drive side mounting frame; 22-operator side mounting.
Detailed Description
In order to make the technical solution of the present invention more apparent, the present invention is further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the quick-change printing rubber roll 1 device of the invention comprises a printing rubber roll 1, an eccentric sleeve, a wallboard 20, an adjusting gear, a driving shaft 6 and a mounting rack, wherein the printing rubber roll 1, the wallboard 20, the eccentric sleeve and the adjusting gear are sequentially arranged, the adjusting gear is installed in an installation hole of the wallboard 20, the two-open type eccentric sleeve is installed on the adjusting gear, the printing rubber roll shaft is installed in the two-open type eccentric sleeve and detachably connected, the adjusting gear comprises a driving side adjusting gear 2 and an operating side adjusting gear 3, the eccentric sleeve comprises a driving side eccentric sleeve 4 and an operating side eccentric sleeve 5, and the mounting rack comprises a driving side mounting rack 21 and an operating side mounting rack 22; the printing rubber roller comprises a printing rubber roller 1, bearings are arranged at two ends of the printing rubber roller 1, the bearings are arranged in eccentric sleeves at two sides, the eccentric sleeves are two-open bearing sleeves with eccentric inner holes, outer rings of the eccentric sleeves are fixed on an adjusting gear, the adjusting gear is arranged on holes of a wall plate 20, the wall plate 20 positioned at the left side in the wall plate 20 is arranged to be a driving side wall plate 20, a motor plate 16 is arranged at the top end of the wall plate 20, an ink distribution motor 18 is arranged on the motor plate 16, a driving chain wheel 15 is arranged at the left output end of the ink distribution motor 18, a driven chain wheel 14 is arranged at the left output end of a driving shaft 6, the driving chain wheel 15 is in transmission connection with the driven chain wheel 14 through a chain 17, the side surfaces of the eccentric sleeves are fixedly arranged on the adjusting gear through screws 10, the mounting rack is positioned below a, install on the mounting bracket and accept the frame, accept the frame and be located printing rubber roll 1 below to only need dismantle screw 10 when needs are disassembled, can realize printing rubber roll 1's quick replacement, eccentric cover all is the stepped structure with the adjusting gear, thereby the erection site is more convenient, and makes overall structure more stable, adopts the frame of accepting, and after the screw 10 of eccentric cover was dismantled, printing rubber roll 1 can roll automatically and fall on accepting the frame, thereby the change is removed fast to the convenience. The side surface of the eccentric sleeve is fixedly arranged on the adjusting gear by a screw 10, so that the eccentric sleeve is convenient to disassemble and connect. The eccentric sleeve is in threaded connection with two open types, and is convenient to disassemble and connect. The driving shaft 6 is connected with the printing rubber shaft in an inserting mode, a key groove connection mode and a fastening screw 9 connection mode, and the driving shaft 6 is convenient to disassemble. Printing rubber roll 1 overlaps in proper order according to the array orientation and is equipped with oil blanket 7 and self-aligning roller bearing 13 and for the axle circlip, oil blanket 7 and self-aligning roller bearing 13 all be located eccentric cover, can be convenient for printing rubber roll 1 to rotate through oil blanket 7 and self-aligning roller bearing 13, reduce the friction, reduce the oil leak. The driving side adjusting gear 2 and the driving side eccentric sleeve 4 are provided with mounting holes correspondingly, and the operating side adjusting gear 3 and the operating side eccentric sleeve 5 are provided with mounting holes correspondingly. The self-aligning roller bearings 13 correspond to the drive-side eccentric sleeve 4 and the operation-side eccentric sleeve 5, respectively. The driving shaft 6 corresponds to the shaft hole of the printing rubber roller 1. The installation of drive side mounting bracket 21, operation side mounting bracket 22 is fixed on main wallboard 20, install on the mounting bracket and accept the frame, accept the frame and be located printing rubber roll 1 below for support the printing rubber roll 1 that rolls off. The two ends of the bearing frame are provided with baffles, so that the printing rubber roller 1 can be prevented from falling off.
The working process is as follows: specifically, when disassembly is required, the driving side mounting frame 21 and the operating side mounting frame 22 are fixed on the wall plate 20, the motor plate 16, the bearing retainer ring 8, the driven sprocket 14, the driving shaft 6 and the set screw 10 are sequentially disassembled, then the screw 10 is disassembled, and the printing rubber roller 1 can automatically fall on the driving side mounting frame 21 and the operating side mounting frame 22, so that the quick replacement of the printing rubber roller 1 is realized.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A3D printer capable of converting nozzles comprises a printing rubber roller, an eccentric sleeve, a wallboard, an adjusting gear, a driving shaft and a mounting frame, wherein the printing rubber roller, the wallboard, the eccentric sleeve and the adjusting gear are sequentially arranged; the method is characterized in that: the two ends of the printing rubber roller are provided with bearings which are arranged in eccentric sleeves at two sides, the eccentric sleeves are two-open type bearing sleeves with eccentric inner holes, the outer ring of the eccentric sleeve is fixed on an adjusting gear which is arranged on a wallboard hole, a wallboard on the left side in the wallboard is arranged as a driving side wallboard, and the top end of the wall plate is provided with a motor plate, the motor plate is provided with an ink-homogenizing motor, the left output end of the ink-homogenizing motor is provided with a driving chain wheel, the left output end of the driving shaft is provided with a driven chain wheel, the driving chain wheel is in transmission connection with the driven chain wheel through a chain, the side surface of the eccentric sleeve is fixedly arranged on the adjusting gear through a screw, the eccentric sleeve also comprises a mounting frame, the mounting bracket is located first opening below and fixes on the main wall panel sets up first open-ended side, install on the mounting bracket and accept the frame, accept the frame and be located printing rubber roll below.
2. The switchable nozzle 3D printer of claim 1, wherein: the eccentric sleeve is in threaded connection with two open types and can be detachably connected.
3. The switchable nozzle 3D printer of claim 1, wherein: the driving shaft is connected with the printing rubber shaft in an inserting mode, a key groove connection mode and a fastening screw connection mode, and the driving shaft can be detached.
4. A 3D printer with switchable nozzles as claimed in any one of claims 1 to 3, characterized by: and two ends of the bearing frame are provided with baffles.
5. The switchable nozzle 3D printer of claim 4, wherein: the printing rubber roller is sequentially sleeved with an oil seal, a self-aligning roller bearing and an elastic retainer ring for the shaft according to the arrangement direction, and the oil seal and the self-aligning roller bearing are both located in the eccentric sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323017.XA CN110948864A (en) | 2019-12-20 | 2019-12-20 | 3D printer of convertible nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323017.XA CN110948864A (en) | 2019-12-20 | 2019-12-20 | 3D printer of convertible nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110948864A true CN110948864A (en) | 2020-04-03 |
Family
ID=69983077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911323017.XA Pending CN110948864A (en) | 2019-12-20 | 2019-12-20 | 3D printer of convertible nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110948864A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB731649A (en) * | 1953-05-04 | 1955-06-08 | Peerless Roll Leaf Company Inc | Method of printing blown plastic bottles having flexible walls |
| JPH01249349A (en) * | 1988-02-19 | 1989-10-04 | Man Roland Druckmas Ag | Roller bearing for rotary press |
| CN202781935U (en) * | 2012-08-10 | 2013-03-13 | 广东中包机械有限公司 | Double-layer material placing device of bag making machine |
| CN204451472U (en) * | 2015-02-04 | 2015-07-08 | 广州台兴机械设备有限公司 | Printing rubber roll quick replacement device |
| CN205255710U (en) * | 2015-12-31 | 2016-05-25 | 佛山市顺德区品龙精工机械有限公司 | Eccentric formula positioning adjustment device of integral lifting plate of printing rubber roll |
| CN107150442A (en) * | 2017-05-29 | 2017-09-12 | 安徽科元三维技术有限公司 | Power spreading device on rapid forming equipment |
| CN208306055U (en) * | 2018-05-25 | 2019-01-01 | 广州台兴机械设备有限公司 | The printing element of Ke Kuaisugenghuan rubber roller and anilox roll |
| CN208812702U (en) * | 2018-08-18 | 2019-05-03 | 深圳市帝彩纸业有限公司 | A kind of adjustable flexible printing machine of ink cartridge |
| CN209566502U (en) * | 2018-12-25 | 2019-11-01 | 黎硕三维科技发展（上海）有限公司 | A kind of powder flatten unit of 3D printer |
-
2019
- 2019-12-20 CN CN201911323017.XA patent/CN110948864A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB731649A (en) * | 1953-05-04 | 1955-06-08 | Peerless Roll Leaf Company Inc | Method of printing blown plastic bottles having flexible walls |
| JPH01249349A (en) * | 1988-02-19 | 1989-10-04 | Man Roland Druckmas Ag | Roller bearing for rotary press |
| CN202781935U (en) * | 2012-08-10 | 2013-03-13 | 广东中包机械有限公司 | Double-layer material placing device of bag making machine |
| CN204451472U (en) * | 2015-02-04 | 2015-07-08 | 广州台兴机械设备有限公司 | Printing rubber roll quick replacement device |
| CN205255710U (en) * | 2015-12-31 | 2016-05-25 | 佛山市顺德区品龙精工机械有限公司 | Eccentric formula positioning adjustment device of integral lifting plate of printing rubber roll |
| CN107150442A (en) * | 2017-05-29 | 2017-09-12 | 安徽科元三维技术有限公司 | Power spreading device on rapid forming equipment |
| CN208306055U (en) * | 2018-05-25 | 2019-01-01 | 广州台兴机械设备有限公司 | The printing element of Ke Kuaisugenghuan rubber roller and anilox roll |
| CN208812702U (en) * | 2018-08-18 | 2019-05-03 | 深圳市帝彩纸业有限公司 | A kind of adjustable flexible printing machine of ink cartridge |
| CN209566502U (en) * | 2018-12-25 | 2019-11-01 | 黎硕三维科技发展（上海）有限公司 | A kind of powder flatten unit of 3D printer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200403 |