CN218240673U - Photographic fixing unit for laser printer - Google Patents
Photographic fixing unit for laser printer Download PDFInfo
- Publication number
- CN218240673U CN218240673U CN202222532712.0U CN202222532712U CN218240673U CN 218240673 U CN218240673 U CN 218240673U CN 202222532712 U CN202222532712 U CN 202222532712U CN 218240673 U CN218240673 U CN 218240673U
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- China
- Prior art keywords
- fixing unit
- laser printer
- warming mill
- back shaft
- roller
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Abstract
The utility model relates to a laser printer technical field, concretely relates to photographic fixing unit for laser printer, including the warming mill, warming mill inboard center is provided with the back shaft, back shaft outer loop side central symmetry is provided with and connects the electric spout, back shaft outer loop side symmetry is provided with the lead screw, lead screw one end is provided with servo motor. The utility model discloses a back shaft, the lead screw that set up, connect the electric spout, electromagnetic heating coil, electrically conductive protrusion and slip semi-ring for laser printer is with the photographic fixing unit when using, and the warming mill heating area of photographic fixing unit is adjusted according to the interval of two slip semi-rings between electromagnetic heating coil, makes the electromagnetic heating coil in the different width regions can electromagnetic heating, and then makes the photographic fixing unit can adjust the heating area according to the size of printing the paper, avoids the warming mill to lead to the fact the body to heat, reduces the energy resource consumption of printer.
Description
Technical Field
The utility model relates to a laser printer technical field specifically is a photographic fixing unit for laser printer.
Background
The laser phototypesetting technology of the laser printer which is out of date at the end of the 80 s is popular in the middle of the 90 s. It is a print output device that combines laser scanning technology with electrophotographic technology. When the laser printer is used, special fixing equipment is needed for fixing, and the imaging quality is guaranteed.
Through retrieval, patent publication No. CN202111402500.4 discloses a heating device of a fixing unit of a laser printer, wherein a hanging fixture block of a fixing fixture column can be hung with a clamping groove on a fixing rod in an insertion and rotation mode, so that the installation of a heating pipe is realized; meanwhile, the hanging fixture block and the clamping groove are separated in the same rotating mode in the process of disassembling the heating pipe, and the aluminum pipe automatically protrudes under the elastic action of the first spring, so that the heating pipe is conveniently taken out, and the heating pipe is convenient and quick to install and disassemble.
When the fixing unit for the laser printer at the present stage is used, a heating area of a heating roller of the fixing unit is fixed and unchanged, and the heating area cannot be adjusted according to the size of printing paper, so that the heating roller is heated in the whole body, and the energy consumption of the printer is increased.
SUMMERY OF THE UTILITY MODEL
To not enough to prior art, the utility model provides a photographic fixing unit for laser printer has overcome the photographic fixing unit for laser printer in current stage when using, and the warming mill heating region of photographic fixing unit is fixed unchangeable, can not adjust the heating region according to the size of printing the paper, and then makes the warming mill general body heating, increases the energy resource consumption's of printer problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a photographic fixing unit for laser printer, includes the warming mill, warming mill inboard center is provided with the back shaft, back shaft outer loop side central symmetry is provided with connects the electric spout, back shaft outer loop side symmetry is provided with the lead screw, lead screw one end is provided with servo motor, be connected with the slip semi-ring on the lead screw, slip semi-ring one end is provided with electrically conductive arch, warming mill medial surface hoop is provided with electromagnetic heating coil, electrically conductive arch with electromagnetic heating coil sliding contact, back shaft one end is provided with the apron.
As a preferred technical scheme of the utility model, warming mill outer loop side is provided with the rubber sleeve, warming mill one side is provided with the impression roller, go up the impression roller with warming mill outside cover is equipped with the photographic fixing belt.
As a preferred technical scheme of the utility model, the oblique below side of last impression roller is provided with down the impression roller, the fixing belt with be provided with between the impression roller down and beat printing paper.
As an optimal technical scheme of the utility model, the rubber sleeve with the warming mill splices, electromagnetic heating coil with warming mill medial surface contact is connected, the slip semi-ring with connect the electric spout to pass through sliding joint sliding connection.
As an optimal technical scheme of the utility model, the slip semi-ring with the back shaft passes through the lead screw is connected, the slip semi-ring along lead screw lateral shifting adjusts.
As a preferred technical scheme of the utility model, servo motor with the apron passes through screwed connection, the apron with the warming mill passes through screwed connection.
As an optimal technical scheme of the utility model, the warming mill is made for the stainless steel, the slip semi-ring with the back shaft is made for the aluminum alloy.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a back shaft, the lead screw that set up, connect the electric spout, electromagnetic heating coil, electrically conductive arch and slip semi-ring for laser printer is when using with the photographic fixing unit, and the warming mill heating region of photographic fixing unit is adjusted according to the interval of two slip semi-rings between electromagnetic heating coil, makes the electromagnetic heating coil in the different width regions can electromagnetic heating, and then makes the photographic fixing unit can adjust the heating region according to the size of printing the paper, avoids the warming mill to go through the body heating, reduces the energy resource consumption of printer.
Drawings
Fig. 1 is a schematic front view of a fixing unit for a laser printer according to the present invention;
FIG. 2 is a schematic left sectional view of a heating roller of a fixing unit for a laser printer according to the present invention;
fig. 3 is a schematic structural view of a main cross section of a support shaft in a fixing unit for a laser printer according to the present invention.
In the figure: 1. a fixing belt; 2. an upper pressure roller; 3. a lower pressure roller; 4. a heating roller; 5. printing paper; 6. a rubber sleeve; 7. an electromagnetic heating coil; 8. a support shaft; 9. a screw rod; 10. a sliding half ring; 11. a conductive bump; 12. a servo motor; 13. a cover plate; 14. connect the electric spout.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a fixing unit for a laser printer includes a heating roller 4, a support shaft 8 is disposed at the center of the inner side of the heating roller 4, electrical connection chutes 14 are symmetrically disposed at the center of the outer ring side of the support shaft 8, lead screws 9 are symmetrically disposed at the outer ring side of the support shaft 8, a servo motor 12 is disposed at one end of each lead screw 9, a sliding half ring 10 is connected to each lead screw 9, a conductive protrusion 11 is disposed at one end of each sliding half ring 10, an electromagnetic heating coil 7 is circumferentially disposed on the inner side surface of the heating roller 4, the conductive protrusion 11 is in sliding contact with the electromagnetic heating coil 7, and a cover plate 13 is disposed at one end of the support shaft 8.
In this embodiment, a rubber sleeve 6 is provided on the outer ring side of the heating roller 4, an upper pressure roller 2 is provided on the heating roller 4 side, a fixing belt 1 is provided around the upper pressure roller 2 and the heating roller 4, and the fixing belt 1 can fix toner onto the printing paper 5 after being heated by the heating roller 4.
In this embodiment, the lower pressing roller 3 is disposed on the oblique lower side of the upper pressing roller 2, the printing paper 5 is disposed between the fixing belt 1 and the lower pressing roller 3, the upper pressing roller 2 and the lower pressing roller 3 can perform pressing processing on the printing paper 5, the printing paper 5 is prevented from sliding, and the fixing quality is ensured.
In this embodiment, the rubber sleeve 6 is bonded to the heating roller 4, the electromagnetic heating coil 7 is in contact with the inner side surface of the heating roller 4, the sliding half ring 10 is in sliding connection with the power receiving chute 14 through a sliding joint, and the electromagnetic heating coil 7 can heat after being electrified, so that the outer side of the heating roller 4 is heated, and the fixing belt 1 is heated.
In this embodiment, the sliding half ring 10 is connected to the supporting shaft 8 through the lead screw 9, the sliding half ring 10 moves laterally along the lead screw 9 for adjustment of the distance between the two conductive protrusions 11, so that the heating area of the electromagnetic heating coil 7 is adjusted, and the heating roller 4 can heat paper sheets with different sizes.
In this embodiment, the servo motor 12 is connected to the cover plate 13 by screws, the cover plate 13 is connected to the heating roller 4 by screws, and the servo motor 12 drives the screw rod 9 to rotate, so that the sliding half ring 10 moves laterally.
In this embodiment, the heating roller 4 is made of stainless steel, and the slider half ring 10 and the support shaft 8 are made of aluminum alloy.
The working principle is as follows: when the automatic printing device is used, the lower pressing roller 3 and the upper pressing roller 2 synchronously rotate in opposite directions, and then printing paper 5 can be conveyed, when printing paper 5 with different width sizes is printed, the servo motor 12 drives the screw rod 9 to rotate, so that the two sliding half rings 10 transversely move along the electric connection sliding groove 14, the distance between the two sliding half rings 10 is larger than the width of the printing paper 5 by 30mm, after the distance between the sliding half rings 10 is adjusted, the electromagnetic heating coil 7 is connected into a loop by the conductive protrusions 11, after the power is switched on, the electromagnetic heating coil 7 starts to heat, and then the fixing belt 1 on the outer side of the heating roller 4 is heated, so that a printing area on the fixing belt 1 is effectively heated, the toner can be melted on the printing paper 5, and the printing quality is guaranteed.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A fixing unit for a laser printer includes a heating roller (4), characterized in that: warming mill (4) inboard center is provided with back shaft (8), back shaft (8) outer loop side central symmetry is provided with and connects electric spout (14), back shaft (8) outer loop side symmetry is provided with lead screw (9), lead screw (9) one end is provided with servo motor (12), be connected with slip semi-ring (10) on lead screw (9), slip semi-ring (10) one end is provided with electrically conductive arch (11), warming mill (4) medial surface hoop is provided with electromagnetic heating coil (7), electrically conductive arch (11) with electromagnetic heating coil (7) sliding contact, back shaft (8) one end is provided with apron (13).
2. A fixing unit for a laser printer according to claim 1, wherein: warming mill (4) outer loop side is provided with rubber sleeve (6), warming mill (4) one side is provided with last impression roller (2), go up impression roller (2) with warming mill (4) outside cover is equipped with fixing belt (1).
3. A fixing unit for a laser printer according to claim 2, wherein: the oblique lower side of the upper pressing roller (2) is provided with a lower pressing roller (3), and printing paper (5) is arranged between the fixing belt (1) and the lower pressing roller (3).
4. A fixing unit for a laser printer according to claim 2, wherein: rubber sleeve (6) with warming mill (4) cementing, electromagnetic heating coil (7) with warming mill (4) medial surface contact is connected, slip semi-ring (10) with connect electric spout (14) through slip joint sliding connection.
5. A fixing unit for a laser printer according to claim 1, wherein: the sliding half ring (10) is connected with the supporting shaft (8) through the screw rod (9), and the sliding half ring (10) moves and is adjusted along the screw rod (9) in the transverse direction.
6. A fixing unit for a laser printer according to claim 1, wherein: the servo motor (12) is connected with the cover plate (13) through screws, and the cover plate (13) is connected with the heating roller (4) through screws.
7. A fixing unit for a laser printer according to claim 1, wherein: the heating roller (4) is made of stainless steel, and the sliding half ring (10) and the supporting shaft (8) are made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222532712.0U CN218240673U (en) | 2022-09-26 | 2022-09-26 | Photographic fixing unit for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222532712.0U CN218240673U (en) | 2022-09-26 | 2022-09-26 | Photographic fixing unit for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218240673U true CN218240673U (en) | 2023-01-06 |
Family
ID=84664961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222532712.0U Active CN218240673U (en) | 2022-09-26 | 2022-09-26 | Photographic fixing unit for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218240673U (en) |
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2022
- 2022-09-26 CN CN202222532712.0U patent/CN218240673U/en active Active
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