CN205853659U - Carbon ribbon governing mechanism of tension - Google Patents
Carbon ribbon governing mechanism of tension Download PDFInfo
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- CN205853659U CN205853659U CN201620751424.6U CN201620751424U CN205853659U CN 205853659 U CN205853659 U CN 205853659U CN 201620751424 U CN201620751424 U CN 201620751424U CN 205853659 U CN205853659 U CN 205853659U
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- carbon
- tension
- frictional disk
- belt shaft
- regulating wheel
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Abstract
This utility model relates to carbon ribbon organization of supply, specifically a kind of carbon ribbon governing mechanism of tension.The gear including carbon belt shaft and being sleeved on successively on described carbon belt shaft, lower frictional disk, regulating wheel, upper frictional disk and pre-tightening apparatus, wherein regulating wheel can relatively rotate with carbon belt shaft, described regulating wheel is connected with the core framework of printer by initial tension stretching spring, described lower frictional disk and upper frictional disk and regulating wheel frictional connection, described upper frictional disk has the degree of freedom moved in the axial direction, described pre-tightening apparatus abuts with upper frictional disk, for adjusting the frictional force between regulating wheel and lower frictional disk and upper frictional disk.This utility model can regulate tension force, and simple in construction on a large scale, with low cost, thoroughly solves the printing that printer causes because of carbon ribbon strain problem bad.
Description
Technical field
This utility model belongs to carbon ribbon organization of supply technical field, specifically a kind of carbon ribbon governing mechanism of tension.
Background technology
At present, common printing technique has the technology such as laser, ink-jet, pin type and temperature-sensitive, bar code printer use from
The Thermal-printing Technology developed in temperature-sensitive technology, the purposes of bar code printer is mainly prints labels, compares other and prints skill
Art has high efficiency, high reliability, pinpoint accuracy, applied widely and advantages of simple structure and simple.The printing principle of bar code printer
It is: to melting the ink on carbon ribbon after printhead electrified regulation during work, thus adhere to label paper surface and formed required
Pattern content.
Bar code printer wants the tensile requirements printing high-quality image to carbon ribbon, the most strictly, in prior art
Bar code printer, often occur in because carbon ribbon tension force is undesirable in print procedure in actual application, produce
Carbon ribbon overtension cause carbon ribbon to rupture, carbon ribbon skid, the too small carbon ribbon of carbon ribbon tension force produce fold, it is ensured that print quality is just
Ensureing in print procedure, the tension force of carbon ribbon is the most stable, and current prior art have employed the mode of Discrete control, carbon ribbon
The range of accommodation of tension force is narrow.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of carbon ribbon governing mechanism of tension.
To achieve these goals, this utility model is by the following technical solutions:
A kind of carbon ribbon governing mechanism of tension, is arranged on the core framework of printer, described carbon ribbon governing mechanism of tension bag
Include carbon belt shaft and the gear being sleeved on successively on described carbon belt shaft, lower frictional disk, regulating wheel, upper frictional disk and pre-tightening apparatus, its
Middle regulating wheel can relatively rotate with carbon belt shaft, and described regulating wheel is connected with core framework by initial tension stretching spring, described
Upper frictional disk and lower frictional disk all with regulating wheel frictional connection, described upper frictional disk has the degree of freedom moved in the axial direction,
Described pre-tightening apparatus abuts with described upper frictional disk, for adjusting frictional disk and lower friction between frictional disk and regulating wheel
Power.
Compression spring that described pre-tightening apparatus includes being set in the most successively on described carbon belt shaft, retaining catch and
Adjusting knob, wherein compression spring is pressed between described upper frictional disk and described retaining catch, described adjusting knob and described carbon ribbon
Male thread connects, and described retaining catch can move along the axis direction of described carbon belt shaft and circumferentially opposed with described carbon belt shaft
Fixing.
The anti-rotation position limiting structure preventing adjusting knob freely rotatable it is provided with between described retaining catch and adjusting knob.
It is multiple first protruding and send out that described anti-rotation position limiting structure includes that emitting shape is distributed on described retaining catch end face
Penetrate multiple second projections that shape is distributed on described adjusting knob end face, when described retaining catch contacts, institute with described adjusting knob
State the first projection and the second projection is alternately laid, limit adjusting knob certainly by the occlusion between described first projection and the second projection
By rotating.
Described adjusting knob circumferentially applies external force to overcome the restriction of described anti-rotation position limiting structure, make adjusting knob revolve
Turn, thus promote described retaining catch to move axially along described carbon belt shaft.
Coordinate at least provided with plane on cooperation face between described carbon belt shaft and retaining catch, realize carbon belt shaft and
Circumferentially opposed fixing between retaining catch.
Described core framework is provided with block I and block II, described regulating wheel has one be positioned at block I and block II it
Between projection, described regulating wheel rotates in the range of the restriction of block I and block II.
The projection of described regulating wheel is provided with the spring carrier arm for connecting initial tension stretching spring.
The end, two ends of described carbon belt shaft is respectively equipped with the check ring preventing described gear and described pre-tightening apparatus from skidding off,
Described check ring is connected in the draw-in groove that described carbon belt shaft end is provided with.
Described regulating wheel be respectively provided on two sides with a friction pad.
Advantage of the present utility model and providing the benefit that:
1. this utility model is arranged on the core framework of printer.This device is used for ensureing that printer is at print job shape
Under state, the tension regulating function of carbon ribbon, in order to guarantee print quality.
2. this utility model provides pretightning force adjustable size function, is simultaneously introduced retaining catch, improves pretightning force
Time dependent problem, the suitable tensioning requirement of carbon ribbon in preferably guaranteeing to print.
3. this utility model have employed adjusting knob and carbon belt shaft screw connection structure and backing stop structure, can regulate on a large scale
Tension force, and simple in construction, with low cost, thoroughly solve the printing that printer causes because of carbon ribbon strain problem bad.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present utility model；
Fig. 2 is the two of structural representation of the present utility model；
Fig. 3 is one of structural representation of pre-tightening apparatus in this utility model；
Fig. 4 is in this utility model the two of the structural representation of pre-tightening apparatus；
Fig. 5 is the assembling schematic diagram of pre-tightening apparatus in this utility model；
Fig. 6 is the structural representation of regulating wheel in this utility model.
Wherein: 1 is check ring, 2 is gear, and 3 is bearing shell, and 4 is core framework, and 41 is block I, and 42 is block II, and 5 are
Initial tension stretching spring, 6 is carbon belt shaft, and 8 is lower frictional disk, and 9 is regulating wheel, and 91 is spring carrier arm, and 10 is friction pad, and 11 are
Compression spring, 12 is upper frictional disk, and 13 is retaining catch, and 131 is the first projection, and 14 is adjusting knob, and 141 is the second projection, 15
For check ring.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and be embodied as
This utility model is described in detail by example.
As shown in Figure 1, Figure 2, Figure 5, a kind of carbon ribbon governing mechanism of tension that this utility model provides, it is arranged at printer
On core framework 4, described carbon ribbon governing mechanism of tension include carbon belt shaft 6 and the gear 2 being sleeved on successively on described carbon belt shaft 6,
Lower frictional disk 8, regulating wheel 9, upper frictional disk 12 and pre-tightening apparatus, wherein, described carbon belt shaft 6 is rotatably mounted by bearing shell 3
On described core framework 4, described gear 2 and lower frictional disk 8 are fixed with described carbon belt shaft 6 and are connected；Described regulating wheel 9 is with described
Carbon belt shaft 6 can relatively rotate, and described regulating wheel 9 is connected with the core framework 4 of printer by initial tension stretching spring 5；Institute
State frictional disk 12 and lower frictional disk 8 is all solid with regulating wheel 9 frictional connection, described upper frictional disk 12 and described carbon belt shaft 6 circumference
Determining and have the degree of freedom moved in the axial direction, described pre-tightening apparatus abuts with described upper frictional disk 12.Described pretension fills
Putting for adjusting the frictional force between upper frictional disk 12 and lower frictional disk 8 and regulating wheel 9, described initial tension stretching spring 5 is used
In providing initial carbon belt tension to described regulating wheel 9, prevent frictional disk 12 and lower frictional disk 8 from skidding.
Described gear 2 is connected with carbon belt shaft 6 by D type groove, and gear 2 engages with the gear controlling carbon ribbon rotation.Described
Bearing up pulley 9 be respectively provided on two sides with a friction pad 10, pass through friction pad between upper frictional disk 12 and lower frictional disk 8 and regulating wheel 9
10 mutually push against, and produce frictional force.The size of frictional force is to be regulated by described pre-tightening apparatus, described pre-tightening apparatus regulation pretension
The direction of power is along the axis direction of carbon belt shaft 6.
Described pre-tightening apparatus includes compression spring 11, the retaining catch being set in the most successively on described carbon belt shaft 6
13 and adjusting knob 14, wherein compression spring 11 is pressed between described upper frictional disk 12 and described retaining catch 13, described regulation
Button 14 is threadeded with described carbon belt shaft 6, and described retaining catch 13 can move along the axis direction of described carbon belt shaft 6, and with
Described carbon belt shaft 6 is circumferentially relatively fixed, and it is freely rotatable that described retaining catch 13 is used for limiting described adjusting knob 14.
Coordinate at least provided with a plane on cooperation face between described carbon belt shaft 6 and retaining catch 13, realize carbon ribbon
Circumferentially opposed fixing between axle 6 and retaining catch 13, it is ensured that retaining catch 13 is circumferentially fixed with carbon belt shaft 6, while can be along axle
To relative movement.In the present embodiment, the center of described retaining catch 13 is provided with D type groove, is set on carbon belt shaft 6 by this D type groove
The spacing plane having coordinates.
The anti-rotation position limiting structure preventing adjusting knob 14 freely rotatable it is provided with between described retaining catch 13 and adjusting knob 14.Institute
State the restriction that anti-rotation position limiting structure is freely rotatable to described adjusting knob 14, come by the peripheral force being applied on described adjusting knob 14
Overcome.
As in Figure 3-5, to include that emitting shape is distributed on described retaining catch 13 end face many for described anti-rotation position limiting structure
Multiple second projections 141 that individual first projection 131 and emitting shape are distributed on described adjusting knob 14 end face, when described retaining catch
13 when contacting with described adjusting knob 14, and described first protruding 131 and second protruding 141 alternately lays, protruding by described first
It is freely rotatable that 131 and second occlusions between projection 141 limit adjusting knob 14.
Described retaining catch 13 and adjusting knob 14 with the use of, can effectively prevent adjusting knob 14 freely rotatable and shadow
Ring probabilistic change of pretightning force, preferably guarantee the requirement of printer carbon ribbon tensioning.
Adjusting knob 14 applies peripheral force, when peripheral force overcomes between the described first protruding 131 and second projection 141
During gmatjpdumamics, described adjusting knob 14 rotates, thus promotes retaining catch 13 to move along carbon belt shaft 6, thus realizes upper frictional disk 12
And the adjustment of the frictional force size between lower frictional disk 8 and regulating wheel 9.
As shown in Figure 6, described core framework 4 is provided with block I 41 and block II 42, and described regulating wheel 9 has one
Projection between block I 41 and block II 42, described regulating wheel 9 is in the restriction scope of block I 41 and block II 42
Interior rotation.The projection of described regulating wheel 9 is provided with the spring carrier arm 91 for connecting initial tension stretching spring 5.
The when that described regulating wheel 9 turning to certain angle, kept off by the block I 41 on core framework 4 or block II 42
Live so that the length of initial tension stretching spring 5 is limited in certain length range, thus ensures carbon ribbon tension force, is beating
Print machine, after initial tension changes, changes to stable pre-tightening tension controlled state set in advance immediately.
Printing the incipient stage, carbon ribbon tension force is gradually increased with the stretcher strain of initial tension stretching spring 5.Increase to one
Determine degree, when the pulling force of initial tension force stretching spring 5 is more than the friction between regulating wheel 9 and lower frictional disk 8 and upper frictional disk 12
Power, the when of the pre-tightening tension of namely this carbon ribbon governing mechanism of tension, the length of initial tension stretching spring 5 will stop becoming
Long, the tension force of carbon ribbon is put into the tension force controlled state of relative constancy, and carbon ribbon tension force at this moment is controlled by regulating wheel 9 and lower friction
Frictional force between dish 8 and upper frictional disk 12.
When needs regulation carbon ribbon tension force when, it is only necessary to rotate adjusting knob 14 and promote retaining catch 13 to compress or discharge pressure
Contracting spring 11, it is possible to the frictional force between regulation regulating wheel 9 and lower frictional disk 8 and upper frictional disk 12, thus regulate printer
Carbon ribbon tension force in normal operation.
In sum, the restriction that described anti-rotation position limiting structure is freely rotatable to described adjusting knob 14, is by described tune
Circumferentially apply external force on joint button 14 to overcome, make adjusting knob 14 rotate, thus promote described retaining catch 13 along described carbon ribbon
Axle 6 moves axially, it is achieved the adjustment of carbon ribbon tension force.
The end, two ends of described carbon belt shaft 6 is respectively equipped with and prevents adjusting knob 14 in described gear 2 and described pre-tightening apparatus sliding
The locating part gone out.In the present embodiment, two described locating parts are check ring, the i.e. first check ring 1 and the second spring catch
Circle 15, described first check ring 1 and the second check ring 15 are connected to the draw-in groove that end, described carbon belt shaft 6 two ends is provided with respectively
In.Described first check ring 1 is used for the axial of adjusting knob 14 for the axial limiting of gear 2, described second check ring 15
Spacing.
This utility model be used for ensure printer under print job status, the tension regulating function of carbon ribbon, in order to guarantee
Print quality.It is simultaneously introduced retaining catch, improves the time dependent problem of pretightning force, carbon ribbon in preferably guaranteeing to print
Suitably tensioning requirement.
The foregoing is only embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All
Any modification, equivalent substitution and improvement made within spirit of the present utility model and principle, extension etc., be all contained in this reality
With in novel protection domain.
Claims (10)
1. a carbon ribbon governing mechanism of tension, is arranged on the core framework (4) of printer, it is characterised in that described carbon ribbon is opened
Power governor motion includes carbon belt shaft (6) and the gear (2) being sleeved on successively on described carbon belt shaft (6), lower frictional disk (8), tensioning
Wheel (9), upper frictional disk (12) and pre-tightening apparatus, wherein regulating wheel (9) can relatively rotate with carbon belt shaft (6), described regulating wheel (9)
By initial tension stretching spring (5) be connected with core framework (4), described upper frictional disk (12) and lower frictional disk (8) all with open
Bearing up pulley (9) frictional connection, described upper frictional disk (12) has the degree of freedom moved in the axial direction, and described pre-tightening apparatus is with described
Upper frictional disk (12) abuts, and is used for adjusting the frictional force between frictional disk (12) and lower frictional disk (8) and regulating wheel (9).
Carbon ribbon governing mechanism of tension the most according to claim 1, it is characterised in that described pre-tightening apparatus includes from inside to outside
Compression spring (11), retaining catch (13) and adjusting knob (14), the wherein compression spring being set in successively on described carbon belt shaft (6)
(11) it is pressed between described upper frictional disk (12) and described retaining catch (13), described adjusting knob (14) and described carbon belt shaft
(6) threaded, described retaining catch (13) can move along the axis direction of described carbon belt shaft (6) and with described carbon belt shaft
(6) circumferentially opposed fixing.
Carbon ribbon governing mechanism of tension the most according to claim 2, it is characterised in that described retaining catch (13) and adjusting knob
(14) the anti-rotation position limiting structure preventing adjusting knob (14) freely rotatable it is provided with between.
Carbon ribbon governing mechanism of tension the most according to claim 3, it is characterised in that described anti-rotation position limiting structure includes launching
Multiple first protruding (131) and emitting shape that shape is distributed on described retaining catch (13) end face are distributed in described adjusting knob (14)
Multiple second protruding (141) on end face, when described retaining catch (13) contacts with described adjusting knob (14), described first convex
Play (131) and second protruding (141) are alternately laid, by the occlusion between described first protruding (131) and second protruding (141)
Limit adjusting knob (14) freely rotatable.
5. according to the carbon ribbon governing mechanism of tension described in claim 3 or 4, it is characterised in that on the upper edge of described adjusting knob (14)
Circumference applies external force and overcomes the restriction of described anti-rotation position limiting structure, makes adjusting knob (14) rotate, thus promotes described retaining to keep off
Sheet (13) moves axially along described carbon belt shaft (6).
Carbon ribbon governing mechanism of tension the most according to claim 2, it is characterised in that described carbon belt shaft (6) and retaining catch
(13) coordinate at least provided with a plane on the cooperation face between, realize the week between carbon belt shaft (6) and retaining catch (13)
To being relatively fixed.
Carbon ribbon governing mechanism of tension the most according to claim 1, it is characterised in that described core framework (4) is provided with gear
Block I (41) and block II (42), described regulating wheel (9) has a projection being positioned between block I (41) and block II (42),
Described regulating wheel (9) rotates in the range of the restriction of block I (41) and block II (42).
Carbon ribbon governing mechanism of tension the most according to claim 7, it is characterised in that set in the projection of described regulating wheel (9)
There is the spring carrier arm (91) for connecting initial tension stretching spring (5).
Carbon ribbon governing mechanism of tension the most according to claim 1, it is characterised in that the end, two ends of described carbon belt shaft (6)
Being respectively equipped with the check ring preventing described gear (2) and described pre-tightening apparatus from skidding off, described check ring is connected to described carbon
In the draw-in groove that tape spool (6) end is provided with.
Carbon ribbon governing mechanism of tension the most according to claim 1, it is characterised in that the both sides of described regulating wheel (9) are respectively
It is provided with a friction pad (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620751424.6U CN205853659U (en) | 2016-07-15 | 2016-07-15 | Carbon ribbon governing mechanism of tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620751424.6U CN205853659U (en) | 2016-07-15 | 2016-07-15 | Carbon ribbon governing mechanism of tension |
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| Publication Number | Publication Date |
|---|---|
| CN205853659U true CN205853659U (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620751424.6U Active CN205853659U (en) | 2016-07-15 | 2016-07-15 | Carbon ribbon governing mechanism of tension |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381175A (en) * | 2017-06-29 | 2017-11-24 | 苏州浪声科学仪器有限公司 | The strainer of driven pulley |
| CN111863349A (en) * | 2020-08-13 | 2020-10-30 | 重庆泰山电缆有限公司 | High tension cable non-woven fabric strip recovery unit |
-
2016
- 2016-07-15 CN CN201620751424.6U patent/CN205853659U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381175A (en) * | 2017-06-29 | 2017-11-24 | 苏州浪声科学仪器有限公司 | The strainer of driven pulley |
| CN111863349A (en) * | 2020-08-13 | 2020-10-30 | 重庆泰山电缆有限公司 | High tension cable non-woven fabric strip recovery unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |