CN116021873A - Screen head transmission screen seat of rotary screen printing machine - Google Patents
Screen head transmission screen seat of rotary screen printing machine Download PDFInfo
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- CN116021873A CN116021873A CN202310323148.8A CN202310323148A CN116021873A CN 116021873 A CN116021873 A CN 116021873A CN 202310323148 A CN202310323148 A CN 202310323148A CN 116021873 A CN116021873 A CN 116021873A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a screen head transmission screen seat of a rotary screen printing machine, which comprises a screen seat and a screen head, wherein the screen head is rotatably and coaxially arranged in the screen seat, an electromagnetic device installation cavity is arranged between the screen seat and the screen head, a coil winding component and a permanent magnet component are arranged in the electromagnetic device installation cavity, the coil winding component is coaxially arranged on the screen seat, the permanent magnet component is coaxially arranged on the screen head, and the coil winding component is positioned at the outer side of the permanent magnet component. According to the mesh head transmission mesh seat of the rotary screen printing machine, no transmission structure exists between the coil winding assembly and the rotary screen, the arrangement of a speed reducer, a transmission gear and the like is avoided, the mesh head transmission mesh seat has extremely short driving path and extremely high transmission precision under direct driving, the pattern matching precision of the rotary screen printing machine is greatly improved, and meanwhile, the problem that the pattern matching precision of the printing machine is reduced due to mechanical abrasion of the speed reducer, the transmission gear and the like under long-term working is solved.
Description
Technical Field
The invention relates to the technical field of textile printing and dyeing mechanical equipment, in particular to a net head transmission net seat of a rotary screen printing machine.
Background
Rotary screen printing machines, which are one of the common apparatuses in the textile printing and dyeing field, are screen printing apparatuses that perform printing using a continuously rotating seamless cylindrical screen. The rotary screen transmission structure of the rotary screen printing machine, as shown in fig. 1, generally comprises a rotary screen 101 and a screen head 102, wherein the screen head 102 is rotatably mounted on a screen seat 103 through a bearing, and the end part of the rotary screen 101 is fixedly mounted on the screen head 102. During operation, the rotary screen 101 rotates, and color paste in the rotary screen 101 is printed on the fabric under the driving of pressure in the rotating process, so that printing is realized. In the printing process, the rotation of the rotary screen 101 requires power; the cylinder mould 101 is used as a cylinder, and under the cylinder structure, the structure for driving the cylinder mould 101 to rotate is simple and easy to set, and the inherent thinking of motor driving rotation is added, so that the inertia of the traditional cylinder mould printing machine is driven by a motor. Specifically, if the net head 102 is driven by a motor 104, the cylinder mould 101 mounted on the net head 102 is driven to rotate the cylinder mould 101.
The transmission rotation of the rotary screen directly relates to printing quality, and therefore, in the printing process of the rotary screen printing machine, the transmission of each rotary screen has extremely high transmission precision requirement. However, in the existing rotary screen printing machine, under the drive of a motor, the multi-stage transmission such as a speed reducer, a gear or a belt is generally needed, in the multi-stage transmission, each stage of transmission has more or less transmission difference, like in the gear transmission, the existence of a gear gap can cause the transmission difference, and after long-time operation, the gear gap can be further increased due to mechanical abrasion, which can cause great reduction of transmission precision, influence the rotary accuracy of the rotary screen, and further influence the patterning precision and printing quality; and under multistage transmission, the transmission efficiency is also lower.
Disclosure of Invention
The invention aims to provide a screen head transmission screen seat of a rotary screen printing machine, which can solve the problem that the accuracy of pattern alignment is affected due to low rotary screen transmission efficiency in the printing process of the rotary screen printing machine.
The technical scheme for realizing the aim of the invention is as follows: the utility model provides a rotary screen printing machine's net head transmission screen seat, includes screen seat and net head, net head rotatable coaxial arrangement in the screen seat, the screen seat with have electromagnetic device installation cavity between the net head, electromagnetic device installation cavity is equipped with coil winding subassembly and permanent magnet subassembly, coil winding subassembly coaxial arrangement in the inner wall of screen seat, permanent magnet subassembly coaxial arrangement in the outer wall of net head, coil winding subassembly is located the radial outside of permanent magnet subassembly, and with have the clearance between the permanent magnet subassembly.
Further, an encoder is installed on the net head. The encoder is used for feeding back the position signal of the screen head so as to control the rotary screen printing.
Further, the net seat comprises a net seat body and an end cover, the electromagnetic device installation cavity is located on the net seat body, one side, close to the outer end of the net seat body, of the electromagnetic device installation cavity is outwards penetrated to form an opening, and the end cover is installed at the outer end of the net seat body and used for sealing the opening. The electromagnetic device installation cavity with the opening is arranged on the net seat body, so that the coil winding assembly and the permanent magnet assembly can be conveniently assembled and disassembled; the electromagnetic device mounting chamber with the opening has better sealing after being mounted on the end cover.
Further, a sealing ring is arranged between the outer wall of the net head and the end cover.
According to the screen head transmission screen seat of the rotary screen printing machine, the electromagnetic device installation cavity is arranged between the screen seat and the screen head, so that after the coil winding component and the permanent magnet component are arranged in the electromagnetic device installation cavity, the coil winding component and the permanent magnet component can be positioned between the screen seat and the screen head, and the coil winding component positioned between the screen seat and the screen head can be arranged on the inner wall of the screen seat and is fixed; the permanent magnet assembly positioned between the net seat and the net head can be installed on the outer wall of the net head, and is integrated with the net head and rotatable. Therefore, after the fixed coil winding assembly is electrified, the electrified coil winding assembly can interact with a magnetic field generated by the permanent magnet assembly to perform electromagnetic coupling, an acting force is generated, and finally the permanent magnet assembly, the net head and a cylinder mould fixed on the net head can be driven and driven conveniently through the generated acting force.
According to the screen head transmission screen seat of the rotary screen printing machine, under the arrangement of the coil winding assembly and the permanent magnet assembly, the rotary screen can be driven in the printing process by controlling the electrifying of the coil winding assembly by utilizing an electromagnetic coupling principle, so that the rotary screen can be driven to rotate in a transmission manner. According to the screen head transmission screen seat of the rotary screen printing machine, the rotary screen is driven by the coil winding assembly electrified in the electromagnetic device installation cavity, a driving transmission structure is not required to be additionally arranged outside the screen seat, and only one screen seat is independently arranged under the appearance of the screen head transmission screen seat, so that the whole structure is simple; and under the drive of the coil winding assembly, the coil winding assembly and the permanent magnet assembly realize the generation and transmission of force through electromagnetic coupling, no mechanical connection exists between the coil winding assembly and the permanent magnet assembly, no transmission structure is needed between the coil winding assembly and a cylinder mould, and the internal structure of the mould seat is also simple. That is, the rotary screen printing machine has simple screen head transmission screen seat, which is of an external structure or an internal structure.
The mesh head transmission mesh seat of the rotary screen printing machine has the advantages that after the coil winding assembly does not have any transmission structure from the rotary screen, more importantly, the arrangement of a speed reducer, a transmission gear and the like is avoided, under direct driving, the mesh head transmission mesh seat not only has an extremely short driving path, but also has extremely high transmission precision, the pattern matching precision of the rotary screen printing machine is greatly improved, and meanwhile, the problem that the pattern matching precision of the printing machine is reduced due to mechanical abrasion of the speed reducer, the transmission gear and the like under long-term working is solved.
The screen head transmission screen seat of the rotary screen printing machine changes the inertia thinking that the motor drive, the gear and the like are arranged outside the screen seat, and an electromagnetic device is directly arranged inside the screen seat to realize the drive transmission of the rotary screen.
Drawings
FIG. 1 is a schematic view of a conventional rotary screen printing machine;
fig. 2 is a schematic structural view of a mesh head transmission screen seat of the rotary screen printing machine.
Description of the embodiments
The following describes the specific embodiment of the screen head transmission screen seat of the rotary screen printing machine in detail by combining the accompanying drawings:
as shown in fig. 2, a mesh head transmission mesh seat of a rotary screen printing machine comprises a mesh seat 1 and a mesh head 2, wherein the mesh head 2 is rotatably and coaxially arranged in the mesh seat 1, an electromagnetic device installation cavity 10 is arranged between the mesh seat 1 and the mesh head 2, a coil winding assembly 3 and a permanent magnet assembly 4 are arranged in the electromagnetic device installation cavity 10, the coil winding assembly 3 is coaxially arranged on the inner wall of the mesh seat 1, the permanent magnet assembly 4 is coaxially arranged on the outer wall of the mesh head 2, and the coil winding assembly 3 is positioned on the radial outer side of the permanent magnet assembly 4 and has a gap with the permanent magnet assembly 4.
The invention relates to a net head transmission net seat of a rotary screen printing machine, wherein the net seat 1 is used as a machine seat and is used for installing a net head 2; the rotatably installed net head 2 is used for installing a cylinder mould 100; the electromagnetic device mounting cavity 10 serves as a cavity and provides a mounting space for the coil winding assembly 3 and the permanent magnet assembly 4; the coil winding assembly 3 is arranged on the net seat 1 and is fixed; the permanent magnet assembly 4 comprises a plurality of permanent magnets which are circumferentially distributed at intervals, the permanent magnet assembly 4 is arranged on the net head 2 and is integrated with the net head 2, and the permanent magnet assembly 4 is used for providing a magnetic field. The invention relates to a screen head transmission screen seat of a rotary screen printing machine, wherein the end part of a rotary screen 100 is coaxially arranged on a screen head 2; when the rotary screen 100 rotates to print the surface of the fabric, the coil winding assembly 3 is electrified; after the coil winding assembly 3 is electrified, the coil winding assembly interacts with the permanent magnet assembly 4 in a magnetic field generated by the permanent magnet assembly 4 to perform electromagnetic coupling, and an acting force is generated after the electromagnetic coupling, and the acting force enables the permanent magnet assembly 4 and the net head 2 to rotate, so that the rotating net head 2 drives the cylinder mould 100 to rotate, and printing is realized.
The invention relates to a net head transmission net seat of a rotary screen printing machine, which is characterized in that an electromagnetic device installation cavity 10 is arranged between a net seat 1 and a net head 2, so that after a coil winding component 3 and a permanent magnet component 4 are arranged in the electromagnetic device installation cavity 10, the coil winding component 3 and the permanent magnet component 4 can be positioned between the net seat 1 and the net head 2, and further the coil winding component 3 positioned between the net seat 1 and the net head 2 can be arranged on the inner wall of the net seat 1, and the coil winding component 3 is fixed; the permanent magnet assembly 4 between the net seat 1 and the net head 2 can be installed on the outer wall of the net head 2, and is integrated with the net head 2, and the permanent magnet assembly 4 can rotate. In this way, after the fixed coil winding assembly 3 is electrified, the electrified coil winding assembly 3 can interact with the magnetic field generated by the permanent magnet assembly 4 to perform electromagnetic coupling, generate acting force, and finally drive transmission of the permanent magnet assembly 4, the net head 2 and the cylinder mould 100 fixed on the net head 2 is realized conveniently through the generated acting force.
According to the screen head transmission screen seat of the rotary screen printing machine, under the arrangement of the coil winding assembly 3 and the permanent magnet assembly 4, the rotary screen in the printing process can be driven by controlling the electrifying of the coil winding assembly 3 by utilizing an electromagnetic coupling principle, so that the rotary screen can be driven to rotate in a transmission manner. According to the screen head transmission screen seat of the rotary screen printing machine, the rotary screen 100 is driven by the coil winding assembly 3 electrified in the electromagnetic device installation cavity 10, a driving transmission structure is not required to be additionally arranged outside the screen seat 1, and only a single screen seat 1 is arranged under the appearance of the screen head transmission screen seat, so that the whole structure is simple; and under the drive of the coil winding assembly 3, the coil winding assembly 3 and the permanent magnet assembly 4 realize the generation and transmission of force through electromagnetic coupling, no mechanical connection exists between the coil winding assembly 3 and the permanent magnet assembly 4, no transmission structure is needed between the coil winding assembly 3 and the cylinder mould 100, and the internal structure of the mould base 1 is also simple. That is, the rotary screen printing machine has simple screen head transmission screen seat, which is of an external structure or an internal structure.
After the rotary screen printing machine has no transmission structure from the coil winding assembly 3 to the rotary screen 100, more importantly, the rotary screen printing machine avoids the arrangement of a speed reducer, a transmission gear and the like, has extremely short driving path and extremely high transmission precision under direct driving, greatly improves the register precision of the rotary screen printing machine, and simultaneously solves the problem of reduced register precision of the printing machine caused by mechanical abrasion of the speed reducer, the transmission gear and the like under long-term working.
The screen head transmission screen seat of the rotary screen printing machine changes the inertia thinking that the motor drive, the gear and the like are arranged outside the screen seat, and an electromagnetic device is directly arranged inside the screen seat 1 to realize the drive transmission of the rotary screen, so that the rotary screen printing machine has a simple structure, has ultrahigh pattern matching precision, is convenient to use and simultaneously has better performance.
The permanent magnet assembly 4 of the rotary screen printing machine can be composed of a plurality of permanent magnets distributed along the circumferential direction of the screen head 2 and fixed on the outer wall of the screen head 2 at intervals. When the permanent magnet assembly 4 is formed by a plurality of permanent magnets distributed along the circumferential direction of the net head 2 and fixed on the outer wall of the net head 2 at intervals, the permanent magnet assembly 4 is simpler, and the permanent magnet assembly 4 is mounted on the outer wall of the net head 2 through mounting or inserting, so that the permanent magnet assembly is thinner than the whole thickness of the net head 2, and is more beneficial to the installation in the electromagnetic device installation cavity 10 with relatively narrow space.
The permanent magnet assembly 4 of the invention can also be composed of an annular steel ring fixedly arranged on the outer wall of the screen head 2 and a plurality of permanent magnets distributed on the peripheral wall of the annular steel ring at intervals along the circumferential direction. When the permanent magnet assembly 4 is formed by an annular steel ring fixedly installed on the outer wall of the net head 2 and a plurality of permanent magnets distributed on the peripheral wall of the annular steel ring at intervals along the circumferential direction of the annular steel ring, the integrity of the permanent magnet assembly 4 is better, and the permanent magnet assembly 4 can be conveniently assembled outside the electromagnetic device installation cavity 10 to form the permanent magnet assembly 4; after the permanent magnet assembly 4 is formed, when the permanent magnet assembly 4 is mounted on the outer wall of the net head 2, the permanent magnet assembly 4 is also convenient to mount with the net head 2 under the whole structure of the permanent magnet assembly 4, and the mounting operation of the permanent magnet assembly 4 is more convenient.
In the screen head transmission screen seat of the rotary screen printing machine, the encoder 5 is preferably arranged on the screen head 2. The encoder 5 is used for feeding back the position signal of the screen head 2 so as to realize rotary control of rotary screen printing.
The invention discloses a screen head transmission screen seat of a rotary screen printing machine, wherein the encoder 5 is of an existing structure, and the invention is not described in detail.
In the screen head transmission screen seat of the rotary screen printing machine, preferably, the screen seat 1 comprises a screen seat body 11 and an end cover 12, the electromagnetic device installation cavity 10 is positioned on the screen seat body 11, one side of the electromagnetic device installation cavity 10, which is close to the outer end of the screen seat body 11, is outwards penetrated to form an opening 13, and the end cover 12 is arranged at the outer end of the screen seat body 11 and is used for sealing the opening 13. The electromagnetic device installation cavity 10 with the opening 13 on the net seat body 11 facilitates the disassembly and assembly of the coil winding assembly 3 and the permanent magnet assembly 4; the electromagnetic device mounting chamber 10 having the opening 13 is more closed after being mounted on the end cap 12.
The outer end of the screen seat body 11 refers to one end of the screen seat body 11 far away from the cylinder mould 100.
In the screen head transmission screen seat of the rotary screen printing machine, preferably, a sealing ring 14 is arranged between the outer wall of the screen head 2 and the end cover 12.
The screen head 2 of the rotary screen printing machine is rotatably and coaxially arranged in the screen seat 1, and in particular, the screen head 2 can be rotatably arranged in the screen seat 1 through a bearing but is not limited to the rotary screen printing machine.
It should be understood by those skilled in the art that the present invention may be embodied in many different forms without departing from the spirit or essential characteristics thereof.
Claims (4)
1. The utility model provides a rotary screen printing machine's net head transmission net seat, includes net seat and net head, net head rotatable coaxial arrangement in the net seat, its characterized in that: the electromagnetic device comprises a net seat and a net head, wherein an electromagnetic device installation cavity is formed between the net seat and the net head, a coil winding component and a permanent magnet component are arranged in the electromagnetic device installation cavity, the coil winding component is coaxially installed on the inner wall of the net seat, the permanent magnet component is coaxially installed on the outer wall of the net head, and the coil winding component is located on the radial outer side of the permanent magnet component and is in clearance with the permanent magnet component.
2. The rotary screen printing machine's head drive screen holder according to claim 1, wherein: and an encoder is arranged on the net head.
3. The rotary screen printing machine's head drive screen holder according to claim 1, wherein: the net seat comprises a net seat body and an end cover, wherein the electromagnetic device installation cavity is positioned on the net seat body, one side of the electromagnetic device installation cavity, which is close to the outer end of the net seat body, is outwards penetrated to form an opening, and the end cover is installed at the outer end of the net seat body and is used for sealing the opening.
4. A rotary screen printing machine head drive socket according to claim 3, wherein: and a sealing ring is arranged between the outer wall of the net head and the end cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310323148.8A CN116021873A (en) | 2023-03-30 | 2023-03-30 | Screen head transmission screen seat of rotary screen printing machine |
| CN202321388464.5U CN219838313U (en) | 2023-03-30 | 2023-06-02 | Screen head transmission screen seat of rotary screen printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310323148.8A CN116021873A (en) | 2023-03-30 | 2023-03-30 | Screen head transmission screen seat of rotary screen printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116021873A true CN116021873A (en) | 2023-04-28 |
Family
ID=86072662
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310323148.8A Pending CN116021873A (en) | 2023-03-30 | 2023-03-30 | Screen head transmission screen seat of rotary screen printing machine |
| CN202321388464.5U Active CN219838313U (en) | 2023-03-30 | 2023-06-02 | Screen head transmission screen seat of rotary screen printing machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321388464.5U Active CN219838313U (en) | 2023-03-30 | 2023-06-02 | Screen head transmission screen seat of rotary screen printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN116021873A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2798316A1 (en) * | 1999-09-09 | 2001-03-16 | Heidelberger Druckmasch Ag | DRIVE FOR A FOLDING DEVICE FOLLOWING A ROTARY PRINTING MACHINE AND METHOD USING SUCH A DRIVE |
| DE102007018689A1 (en) * | 2007-04-20 | 2008-10-23 | Schaeffler Kg | Printing machine drive and storage device for textile printing machine, has electric direct drive and magnetic bearing whose components are integrated in bearing drive part that is connected with print roller in torque-proof manner |
| CN101378904A (en) * | 2005-06-23 | 2009-03-04 | 柯尼格及包尔公开股份有限公司 | Drive units of a rotating component of a printing press |
| CN204701268U (en) * | 2015-06-05 | 2015-10-14 | 泉州市德玛特电机制造有限公司 | A kind of cylinder transmission device of circular screen printer |
| JP2017132038A (en) * | 2016-01-25 | 2017-08-03 | 独立行政法人 国立印刷局 | Numbering printer |
| CN112533760A (en) * | 2018-07-25 | 2021-03-19 | 柯尼格及包尔公开股份有限公司 | Device for aligning magnetic or magnetizable particles, machine and method for producing optically variable picture elements |
-
2023
- 2023-03-30 CN CN202310323148.8A patent/CN116021873A/en active Pending
- 2023-06-02 CN CN202321388464.5U patent/CN219838313U/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2798316A1 (en) * | 1999-09-09 | 2001-03-16 | Heidelberger Druckmasch Ag | DRIVE FOR A FOLDING DEVICE FOLLOWING A ROTARY PRINTING MACHINE AND METHOD USING SUCH A DRIVE |
| CN101378904A (en) * | 2005-06-23 | 2009-03-04 | 柯尼格及包尔公开股份有限公司 | Drive units of a rotating component of a printing press |
| DE102007018689A1 (en) * | 2007-04-20 | 2008-10-23 | Schaeffler Kg | Printing machine drive and storage device for textile printing machine, has electric direct drive and magnetic bearing whose components are integrated in bearing drive part that is connected with print roller in torque-proof manner |
| CN204701268U (en) * | 2015-06-05 | 2015-10-14 | 泉州市德玛特电机制造有限公司 | A kind of cylinder transmission device of circular screen printer |
| JP2017132038A (en) * | 2016-01-25 | 2017-08-03 | 独立行政法人 国立印刷局 | Numbering printer |
| CN112533760A (en) * | 2018-07-25 | 2021-03-19 | 柯尼格及包尔公开股份有限公司 | Device for aligning magnetic or magnetizable particles, machine and method for producing optically variable picture elements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN219838313U (en) | 2023-10-17 |
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Application publication date: 20230428 |
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