CN203681033U - Cantilever shaft supporting system of printer - Google Patents
Cantilever shaft supporting system of printer Download PDFInfo
- Publication number
- CN203681033U CN203681033U CN201320640385.9U CN201320640385U CN203681033U CN 203681033 U CN203681033 U CN 203681033U CN 201320640385 U CN201320640385 U CN 201320640385U CN 203681033 U CN203681033 U CN 203681033U
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- Prior art keywords
- axle
- lining
- gear
- fixed head
- bearing
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Abstract
The utility model provides a cantilever shaft supporting system of a printer. The system includes a shaft, a bush, a device for power input, a device for power output and a fixing plate used for supporting, wherein the bush is used as a second supporting position, has a D-shaped outer ring and is inlaid in the fixing plate, and the cooperating part of the shaft, the device for supplying the power input and the device for supplying power output is designed to be a D type structure or a dowel structure, and the cooperating part of the shaft and the device for power input, and the cooperating part of the shaft and the device for power output are designed to be D-shaped structures, dowel structures or key protrusion structures. The cantilever shaft supporting system of the printer has a simple structure, and is simple in structure and convenient in assembly. The cantilever shaft supporting system is stable in power transmission, thereby improving the printing quality of images. The requirements on the performance of the bearings are reduced, and the fatigue life of the bearings is prolonged, so that the production and use costs of the printer are further reduced.
Description
Technical field
The utility model relates to a kind of imaging device as the cantilevered axle support system of cantilevered mobile force actuators, particularly a kind of printer in printer.
Background technology
Cantilevered transmission device is more in the application of printer field, while being mainly used in power transmission, solve from machinery base one side transferring power to opposite side, need to use movable axis, often cause transferring power unstable, especially print when non-legible image or photo etc. have the image that GTG requires and cause the quality of image to decline, or stable and make device too complicated in order to reach dynamical system, and cost is also higher.
In this field, similarly patent (application number: 201010281701.9; Title: cantilever shaft support device); The device of this patent comprises axle, bearing block, bearing cap, at least four rolling bearings, two sleeves, two sealing rings and two pressure rings.Rolling bearing is positioned at bearing block, its inner ring and axle are fastening, outer ring and bearing block are fastening, on bearing block, have two in same plane, orthogonal radial direction through hole, two radial direction through hole are positioned at the end of rolling bearing, and be communicated with the inner chamber of rolling bearing, gapped at the end face of the first sleeve and rolling bearing, the end face of bearing cap and rolling bearing is gapped.This cantilever shaft support device, lubricating oil enters rolling bearing by two through holes on bearing block, not only have advantages of traditional bracing or strutting arrangement, and bearing capacity is strong, and friction loss is little, lubricated convenient and swift, can realize continuous lubrication.
The similar patent of another part (application number: 201020239102.6; Title: a kind of cantilever type transmission mechanism); The device of this patent, by cantilevered axle, sealing ring, casing, spacer, taper roll bearing, gear, for hole, back-up ring, bearing spacer, locking plate, lock washer, locking nut form, adopt " back-to-back " taper roll bearing to disperse the radial stress in cantilevered axle in axle two ends, improve the reliability of Liao Gai mechanism, come adjusting play by the thickness of adjusting bearing spacer, the rigidity that improves assembly, structure is relatively simple, easily realizes.
But general printing device must, from pedestal one side transferring power to opposite side, need to use movable axis, often causes transferring power de-stabilising effect product quality, or stablize and make device too complicated in order to reach dynamical system, cost is also higher; For solving this technical problem, need a kind of cantilevered transmission device simple in structure, easy to assembly of design, reduce the performance requirement to bearing, thereby improve bearing fatigue life and stability.
Utility model content
The defect and the deficiency that exist for prior art, the cantilevered axle support system of a kind of printer that the utility model provides, it is simple in structure, easy to assembly; The performance requirement to bearing be can reduce, thereby bearing fatigue life and stability improved.
For achieving the above object, the cantilevered axle support system of the printer the utility model proposes, the technical scheme of employing is: this system comprises axle, lining, the device of power input is provided, the device of power output and the fixed head of supporting role are provided; Lining is wherein as the second support level of axle, and outer ring is D type structure, is embedded in fixed head; Axle with the device of power input is provided and provides the cooperation place of the device of power output to be designed to D type structure or pin, key protrusion structure.
Further, this system can design becomes: specifically comprise axle (1), lining (2), provide power input arrangement of clutch (3), bearing block (4), the fixed head (8) of gear (5), bearing (6), bearing (7) and the supporting role of power output is provided, bearing block (4) is wherein embedded in machinery base, bearing (6), bearing (7) is positioned at first support level of bearing block (4) as axle (1), gear (5) and axle (1) by the pin on axle (1) fastening and together with rotate, axle (1) is through bearing inner race, the two is matched in clearance, arrangement of clutch (3) inner ring uses D type engage sleeves on axle (1), outer ring gear structure connects power, lining (2) is as the second support level of axle (1), be embedded in fixed head (8), inner ring is enclosed within axle (1) above and axle (1) relatively rotates, fixed head (8) is anchored on machinery base.
Further, this system can design and becomes on the other hand: specifically comprise axle (21), the first lining (22), provide power input gear (23), the second lining (24), sleeve (25), gear (26) and the passive fixed head (27) of power output are provided, wherein, the second lining (24) is embedded in fixed head (27) as the first support level of axle (21), gear (26) and axle (21) by the D type fastening structure on axle (21) and together with rotate, sleeve (25) inner ring and the second lining (24) outer ring relative motion, play the axial support effect of gear (26) simultaneously, gear (23) and axle (21) by the D type fastening structure on axle (21) and together with rotate, lining (22) is as the second support level of axle (21), be embedded in fixed head (27), fixed head (27) is anchored on machinery base.
The main points that can understand technological improvement of the present utility model from above technical scheme are: its axle is a movable axis, movable axis and input, output device immovable fitting and together with rotate; The outer ring of cooperation place cantilevered axle is designed to non-full circle, for example D type structure, also the protrusion structure such as pin, key; In system, at least two support level movable support axles of design are placed power input device between these two support levels, ensure movable axis stability of rotation; Power input device can be designed to clutch apparatus, also can be designed to gear, and also other drives, as belt pulley, sprocket wheel; Place PTO in the first support level outside; PTO is typically designed to drive, and described drive is belt pulley, gear, sprocket wheel, leaves space and is connected by driven unit; Support level is selected bearing arrangement and bush structure, and wherein the lining outer ring in bush structure is designed to non-completely circular structure and is connected with fixed head, and for example D type structure, realizes lining and maintain static together with fixed head.
From above embodiment of the present utility model, the cantilevered axle support system of the printer that the utility model proposes, has following advantage and beneficial effect:
1. this utility model is simple in structure, easy to assembly;
2. thereby the stable print quality that has improved image of the system transferring power of this utility model;
3. this utility model reduces the performance requirement to bearing, and bearing fatigue life can increase greatly, and the manufacturing cost and use cost of printer is further reduced.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model preferred embodiment 1, wherein:
1-axle, 2-lining, 3-power input clutching device, 4-bearing block, 5-power output gear, 6-clutch shaft bearing, 7-the second bearing, 8-fixed head;
Fig. 2 is the structural representation of the utility model preferred embodiment 2, wherein:
21-axle, 22-the first support level lining, 23-power input gear, 24-the second support level lining, 25-sleeve, 26-power output gear, 27-fixed head;
Fig. 3 is axle outer ring D type structure, the pin feature schematic diagram in system of the present utility model, wherein:
31-gear, the cantilevered axle of 32-with pin;
Detailed description of the invention
In order more to understand technology contents of the present utility model, especially exemplified by specific embodiment and coordinate appended graphic being described as follows:
Example one of the present utility model as shown in Figure 1, comprise axle 1, lining 2, provide power input arrangement of clutch 3, bearing block 4, the fixed head 8 of gear 5, bearing 6,7 and the supporting role of power output is provided.Bearing block 4 is embedded in machinery base, bearing 6, 7 are positioned at first support level of bearing block 4 as axle 1, gear 5 and axle 1 by the pin on axle 1 fastening and together with rotate, axle 1 is through bearing inner race, the two is matched in clearance, arrangement of clutch 3 inner rings use D type engage sleeves on axle 1, outer ring gear structure connects power, when arrangement of clutch work, outer ring gear structure rotates together with inner ring, band moving axis 1 rotates, thereby driven gear 5 rotates, transmit power, when arrangement of clutch disconnects, only have outer ring gear structure to rotate, axle 1 stops operating, the unpowered gear 5 that is transferred to, lining 2 is as the second support level of axle 1, outer ring is non-full circle, the present embodiment is D type structure, be embedded in fixed head 8, inner ring is enclosed within on axle 1 and relatively rotates with axle 1, fixed head 8 is anchored on machinery base.
Example two of the present utility model as shown in Figure 2, comprises axle 21, the first lining 22, gear 23, the second lining 24, the sleeve 25 of power input is provided, and provides the gear 26 of power output, the fixed head 27 of supporting role.The second lining 24 is embedded in fixed head 27 as the first support level of axle 21, gear 26 and axle 21 by the D type fastening structure on axle 21 and together with rotate, sleeve 25 inner rings and the second lining 24 outer ring relative motions, play the axial support effect of gear 26 simultaneously, gear 23 and axle 21 by the D type fastening structure on axle 21 and together with rotate, transfer motion power is to gear 26, lining 22 is as the second support level of axle 21, outer ring is non-full circle, the present embodiment is D type structure, be embedded in fixed head 27, inner ring is enclosed within on axle 21 and relatively rotates with axle 21, fixed head 27 is anchored on machinery base.
Axle outer ring D type structure in system of the present utility model, pin feature are as shown in Figure 3; Certainly, in system of the present utility model, also can adopt and there are other frame for movements that realize this identical function.
The utility model discloses as above in the mode of embodiment, in any form the utility model is not construed as limiting and is limited, scope of the present utility model is as the criterion with claims, and all do not exceed apparent amendment, conversion and the replacement scheme of the utility model aim all within the scope of the utility model.
Claims (3)
1. a cantilevered axle support system for printer, is characterized in that: this system comprises axle, lining, the device of power input is provided, the device of power output and the fixed head of supporting role are provided; Lining is wherein as the second support level of axle, and outer ring is D type structure, is embedded in fixed head; Axle with the device of power input is provided and provides the cooperation place of the device of power output to be designed to D type structure or pin, key protrusion structure.
2. the cantilevered axle support system of printer according to claim 1, is characterized in that: this system specifically comprises axle (1), lining (2), provide power input arrangement of clutch (3), bearing block (4), the fixed head (8) of gear (5), bearing (6), bearing (7) and the supporting role of power output is provided, bearing block (4) is wherein embedded in machinery base, bearing (6), bearing (7) is positioned at first support level of bearing block (4) as axle (1), gear (5) and axle (1) by the pin on axle (1) fastening and together with rotate, axle (1) is through bearing inner race, the two is matched in clearance, arrangement of clutch (3) inner ring uses D type engage sleeves on axle (1), outer ring gear structure connects power, lining (2) is as the second support level of axle (1), be embedded in fixed head (8), inner ring is enclosed within axle (1) above and axle (1) relatively rotates, fixed head (8) is anchored on machinery base.
3. the cantilevered axle support system of printer according to claim 1, is characterized in that: gear (26) and passive fixed head (27) that this system specifically comprises axle (21), the first lining (22), gear (23), the second lining (24), the sleeve (25) of power input is provided, provides power to export, wherein, the second lining (24) is embedded in fixed head (27) as the first support level of axle (21), gear (26) and axle (21) by the D type fastening structure on axle (21) and together with rotate, sleeve (25) inner ring and the second lining (24) outer ring relative motion, play the axial support effect of gear (26) simultaneously, gear (23) and axle (21) by the D type fastening structure on axle (21) and together with rotate, lining (22) is as the second support level of axle (21), be embedded in fixed head (27), fixed head (27) is anchored on machinery base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640385.9U CN203681033U (en) | 2013-10-17 | 2013-10-17 | Cantilever shaft supporting system of printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640385.9U CN203681033U (en) | 2013-10-17 | 2013-10-17 | Cantilever shaft supporting system of printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203681033U true CN203681033U (en) | 2014-07-02 |
Family
ID=51002983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320640385.9U Expired - Fee Related CN203681033U (en) | 2013-10-17 | 2013-10-17 | Cantilever shaft supporting system of printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203681033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612490A (en) * | 2013-10-17 | 2014-03-05 | 艾塔斯科技（镇江）有限公司 | Cantilever shaft supporting system of printer |
-
2013
- 2013-10-17 CN CN201320640385.9U patent/CN203681033U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612490A (en) * | 2013-10-17 | 2014-03-05 | 艾塔斯科技（镇江）有限公司 | Cantilever shaft supporting system of printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20141017 |
|
| EXPY | Termination of patent right or utility model |