CN207143406U - It is adapted to the apron lower pin of drafting mechanism of spinning machine - Google Patents
It is adapted to the apron lower pin of drafting mechanism of spinning machine Download PDFInfo
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- CN207143406U CN207143406U CN201720686065.5U CN201720686065U CN207143406U CN 207143406 U CN207143406 U CN 207143406U CN 201720686065 U CN201720686065 U CN 201720686065U CN 207143406 U CN207143406 U CN 207143406U
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Abstract
It the utility model is related to a kind of apron lower pin for being adapted to import drafting mechanism of spinning machine, the arbitrary cross-section shape of the apron lower pin is identical, the section configuration is integrally formed by the lateral member and the longitudinal elements that is extended downwardly from lateral member base of strip, the lateral member top edge is the combined shaped that one section of straight line and one section of curve are connected, the lateral member part of the corresponding straight line is set to line part, and the lateral member part of the corresponding curve is set to curve part；The straight length C of line part is 4.5 8.2 millimeters；The length of curve D of the curve part is 14.5 18.2 millimeters；Leading edge distance A of the peak of the curve away from straight line is 7 12 millimeters；Distance B of the curve peak away from lateral member tail end is 10.7 15.7.Solve that spinning quality now appeared in spinning process is bad and ingot between difference is excessive etc. that problems, counter extensioin yarn have more preferable controling power, yarn quality significantly improves, simple in construction, and adaptability is quite extensive.
Description
Technical field
Spun yarn drafting technology is the utility model is related to, it is specially a kind of to be adapted under the apron of import drafting mechanism of spinning machine
Pin.
Background technology
Cotton mill is general to use using import Lang Wei LR60/AX, the drafter of the vertical ring throstle up to G32 at present
The double aprons of length, spring rocking pin, Spring cradle pressurization or Pneuamtic cradle pressue device, rely primarily on drawing rollers, rubber roll, skin
Collective effect is sold under circle, spring top pin and curved surface ladder to control fiber, realizes drawing-off.Apron, spring top pin and curved surface ladder
Lower pin bank into the middle additional friction force bound pair that is formed of mechanism control fiber movement, ensureing the quality of drawing-off sliver has certainly
Under qualitative effect, especially apron, spring top pin and curved surface ladder pin bank into preceding jaw.Pin is mainly supported under curved surface ladder
Lower apron simultaneously guides lower apron is stable to turn round, while supports pin to be allowed to be in technological requirement position.Lower pin is one, eight ingot
State monopoly for marketing, it is fixed on roller stand.It is that is, lower pin because its arbitrary cross-section is curved surface stairstepping to be why referred to as pin under curved surface ladder
The upper surface of arbitrary cross-section is the combined shaped that one section of straight line and one section of curve are connected, and curved portion is higher than straight line portion, had
Difference in height, formation is stepped, and straight line portion and curved portion all have certain thickness, forms described curved surface stairstepping.Such as
Apron lower pin disclosed in the patent CN201704458U that applicant applies before this, this be designed with is beneficial to tensioning apron, in reinforcement
Between additional friction force circle, improve the controlling extent to fiber, thus be widely adopted.
But further research and experiment show that the lower pin of such a shape counter extensioin sliver fiber can not be had well
The control of power, there is the place having much room for improvement.Its design defect is：Straight line (plane) partial-length of lower pin is longer, makes
It supports the elastic acting force of apron weaker, weakens the intensity of friction field in the middle part of main drawing area, to the controling power of sliver not
It is sufficiently strong；The uplift force of the peak of lower pin curved portion is also inadequate, and the sliver curve drawing passage for forming apron is relatively more slow
With can not effectively control sliver, be unfavorable for the high quality of resultant yarn.
Utility model content
The purpose of this utility model is to propose a kind of apron lower pin for being adapted to import drafting mechanism of spinning machine, itself energy
Enough solve that spinning quality now appeared in spinning process is bad and ingot between problems, its counter extensioin palpus such as difference is excessive
Bar has more preferable controling power, and yarn quality significantly improves, simple in construction, and adaptability is quite extensive.
To achieve the above object, technical scheme is as described below used by the utility model.
A kind of apron lower pin for being adapted to import drafting mechanism of spinning machine, the arbitrary cross-section shape of the apron lower pin is identical,
The section configuration is integrally formed by the lateral member and the longitudinal elements that is extended downwardly from lateral member base of strip, the transverse direction
Part top edge is the combined shaped that one section of straight line and one section of curve are connected, and the lateral member part of the corresponding straight line is set to straight line
Portion, the lateral member part of the corresponding curve are set to curve part；
The straight length C of the line part is 4.5-8.2 millimeters；The length of curve D of the curve part is 14.5-18.2 millis
Rice；Leading edge distance A of the peak of the curve away from straight line is 7-12 millimeters；The curve peak away from lateral member tail end away from
It is 10.7-15.7 from B.
One preferred scheme of the utility model apron lower pin, the straight length C are 6 millimeters；The length of curve D is
16.7 millimeters；Leading edge distance A of the peak of the curve away from straight line is 10.48 millimeters；The curve peak is away from lateral member
The distance B of tail end is 12.22；The height difference H of the curve and straight line is 2.5 millimeters.
In further scheme, the height difference H of the curve and straight line is 1.3-3.5 millimeters；The apron lower pin it is total
Highly it is 5-15.7 millimeters.
For the structure of further reasonable disposition apron lower pin, in a preferred scheme, the thickness I of the line part is limited
For 2.4-5 millimeters；The thickness J of the curve part is defined to 3.5-6 millimeters.
In another preferred scheme, the thickness I of the line part is 2.8 millimeters；The thickness J of the curve part is
3.9 millimeter.
In the scheme of another apron lower pin, the curve part bottom surface is tilted upward provided with one close to apron lower pin tail end-side
Upslope, the upslope form drift angle α with the curve part bottom surface, and the drift angle α is 30-40 °.
In further scheme, the drift angle α is 35 °.
For the utility model apron lower pin in another improved plan, the longitudinal elements is the right-angled trapezium structure to stand upside down
Make；The right-angle side of the right-angled trapezium of the handstand is located at the middle part of lateral member bottom surface, and hypotenuse is from the line part bottom surface to downward
Stretch, the hypotenuse forms drift angle β with right-angle side, and the drift angle β is 22 ° 20 ' ± 10 '.
In still another scheme, from line part basal surface position corresponding to hypotenuse upper end to the preset space K of lateral member head end
For 2-4.1 millimeters.
The utility model redesigns a kind of Rubber ring lower pin for being adapted to import type, and the apron lower pin is directed to its upper surface shape
Shape has made Curve guide impeller：For different raw cotton, by the position reach certain distance of Rubber ring lower pin working face peak, increase curve
The length of (curved surface) part, the length of Rubber ring lower pin straight line portion (plane) is correspondingly reduced, so that at apron nip
Friction field is strengthened.Increase the difference in height of both Rubber ring lower pin curved portion and straight line portion simultaneously, to increase Rubber ring lower pin pair
The upward pressure of apron, further it is tensioned apron, enhancement curve drawing-off effect.
Lower pin design of the present utility model is strengthened between upper and lower apron to the controling power of fiber, makes draw zone internal friction
The distribution on boundary is more reasonable, reduces the length in area of swimming, and fiber in main drawing area is handed over speed point distribution reach, further along
Jaw is concentrated, and makes the speed change of fiber more stable.To different cultivars a large number of experiments show that (referring to embodiment), at other
In the case that condition is constant, evenness quality can be obviously improved using the spinning frame sold under the utility model, sliver even thickness,
Slubbing, details significantly reduce, and CV values reduce.
The utility model has only been redesigned under cushion rubber due to being to be improved design on the basis of existing Rubber ring lower pin
The peak position of working face, plane and the distribution of lengths of curvature portion and the difference in height between them are sold, its structure is still
Simply, handling ease, it is easy for installation, it can be fitted for the currently all ring spun yarn type using curved surface ladder Rubber ring lower pin
With having wide applicability and economy.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the apron lower pin of prior art drafting mechanism of spinning machine；
Fig. 2 is the structural representation of the embodiment of the apron lower pin of adaptation import drafting mechanism of spinning machine；
Fig. 3 is the schematic diagram of each spot size of the embodiment of the apron lower pin of adaptation import drafting mechanism of spinning machine.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the new bottom apron cradle of import type is adapted to the utility model
It is further described.Following examples are only used for clearly illustrating the technical solution of the utility model, and can not be come with this
Limit the scope of protection of the utility model；Those of ordinary skill about technical field, spirit of the present utility model is not being departed from
In the case of scope, it can also make a variety of changes and modification, therefore to fall within this practicality new for all equivalent technical schemes
The category of type, scope of patent protection of the present utility model should be limited by each claim.
A kind of apron lower pin of adaptation import drafting mechanism of spinning machine of the utility model design, is in existing Rubber ring lower pin
On the basis of the Curve guide impeller that carries out (referring to accompanying drawing 1).The arbitrary cross-section shape of the apron lower pin of prior art is identical, its upper surface
The combined shaped being connected for one section of straight line (plane) with one section of curve (curved surface), curved portion are higher than straight line portion.Specific knot
Structure geomery is：Distance A0 of the curved portion peak away from straight line portion leading edge is 11 millimeters；Straight line portion C0 length is
9.54 millimeter；Distance BO of the curved portion peak away from apron lower pin tail end is 11.7 millimeters；Curved portion and straight line portion C0
Height difference H O be 0.8 millimeter.
Fig. 2 shows the embodiment knot of the apron lower pin of adaptation import drafting mechanism of spinning machine described in the utility model
Structure, apron lower pin arbitrary cross-section shape is identical, the section configuration from strip lateral member 1 and from the base of lateral member 1 to
The longitudinal elements 2 of lower extension is integrally formed, essentially " boots " type, and the upper surface of this " boots " type part is one section of straight line and one section
The connected combined shaped of curve, curved portion have larger difference in height apparently higher than straight line portion.Specifically, the lateral member 1
Top edge is the combined shaped that one section of straight line 100 is connected with one section of curve 110, and the part of lateral member 1 of the corresponding straight line 100 is set
For line part 10, the part of lateral member 1 of the corresponding curve 110 is set to curve part 11.
The length C of straight line 100 of the line part 10 is 4.5-8.2 millimeters；The length D of curve 110 of the curve part 11 is
14.5-18.2 millimeters；Leading edge distance A of the peak of the curve 110 away from straight line 100 is 7-12 millimeters；The curve 110 is most
Distance B of the high point away from the tail end of lateral member 1 is 10.7-15.7；The height difference H of the curve 110 and straight line 100 is 1.3-3.5 millis
Rice；The total height of the apron lower pin is 5-15.7 millimeters, and overall width is dimensioned on demand.
The thickness of line part 10 and curve part 11 is further defined in another embodiment：The thickness I of line part 10 is 2.4-5
Millimeter；The thickness J of the curve part 11 is 3.5-6 millimeters.
Be given below specific embodiment (experiment be in same rove, with ingot number, same to technique, carried out under identical temperature and humidity conditions,
Data are the average of lot of experiments).They reflect remarkable result of the present utility model.
Embodiment 1
Test type：LR60/AX, pneumatic pressurizing cradle；Spin 40 yarns of combed cotton；Using under adaptation import type
The physical dimension of pin is：Straight line C length is 5.08 millimeters, and the length of a curve D being connected with straight line C is accordingly 17.62 millis
Rice, and distance A of its peak away from straight line leading edge is 10.48 millimeters, distance B of the curve peak away from lateral member tail end is correspondingly
For 12.22 millimeters, the degree difference H of curve and straight line is 2.55 millimeters.Experimental result is referring to table 1:
The apron lower pin of 1 embodiment of table 1 compares with the effect sold under prior art
Embodiment 2
Test type：LR60/AX, pneumatic pressurizing cradle；Spin 40 yarns of combed cotton；Using under adaptation import type
The physical dimension of pin is：Straight line C length is 6.2 millimeters, and the length of a curve being connected with straight line C is accordingly 16.5 millimeters,
And distance A of its peak away from straight line leading edge is 11.4 millimeters, distance B of the curve peak away from lateral member tail end is correspondingly
11.3 millimeters, the degree difference H1 of curve and straight line is 3.0 millimeters.Experimental result is referring to table 2.
The apron lower pin of 2 embodiment of table 2 compares with the effect sold under prior art
Embodiment 3
Test type：LR60/AX, pneumatic pressurizing cradle；Spinning combed cotton/wash 6 0,/40 32 yarns；Use adaptation import
The physical dimension of the lower pin of type is：Straight line C length is 4.8 millimeters, and the length of a curve being connected with straight line C is accordingly
17.9 millimeters, and distance A of its peak away from straight line portion leading edge be 9.2 millimeters, curve peak away from lateral member tail end away from
It is correspondingly 13.5 millimeters from B, the degree difference H1 of curve and straight line is 2.0 millimeters.Experimental result is referring to table 3.
The apron lower pin of 3 embodiment of table 3 compares with the effect sold under prior art
Embodiment 4
Test type：It is vertical to reach G32, pneumatic pressurizing cradle；Spin 40 yarns of combed cotton；Using under adaptation import type
The physical dimension of pin is：Straight line C length is 5.08 millimeters, and the length of a curve being connected with straight line C is accordingly 17.62 millis
Rice, and distance A of its peak away from straight line portion leading edge is 10.48 millimeters, distance B phase of the curve peak away from lateral member tail end
It is 12.22 millimeters to answer ground, and the degree difference H of curve and straight line is 2.55 millimeters.Experimental result is referring to table 4.
The apron lower pin of 4 embodiment of table 4 compares with the effect sold under prior art
Embodiment 5
Test type：It is vertical to reach G32, pneumatic pressurizing cradle；Spin 40 yarns of combed cotton；Using under adaptation import type
The physical dimension of pin is：Straight line C length is 6 millimeters, and the length of a curve being connected with straight line C is accordingly 16.7 millimeters, and
Distance A of its peak away from straight line portion leading edge is 10.48 millimeters, and distance B of the curve peak away from lateral member tail end is correspondingly
For 12.22 millimeters, the degree difference H of curve and straight line is 2.55 millimeters.Experimental result is referring to table 5.
The apron lower pin of 5 embodiment of table 4 compares with the effect sold under prior art
Can be learnt into embodiment 5 from embodiment 1, each spot size that embodiment 5 limits compared to other embodiment, its
Improve evenness quality, sliver even thickness, slubbing, details significantly reduce, and the effect that CV values reduce is the most obvious.
" original is lower to sell " of the utility model apron lower pin that above-described embodiment 1 uses into embodiment 5 and prior art
Line part thickness is identical, and curve part thickness is also identical.In actual application, the utility model apron lower pin thickness is limiting
In the range of selected, in preferred scheme -- the thickness I of line part is 2.8 millimeters, and the thickness J of curve part is 3.9 millimeters, for most
Good thickness, its fecundity can be improved, strut apron jointly with roller, and extend its service life.The curve part bottom surface is close
Apron lower pin tail end-side tilts upward forms drift angle α, the drift angle provided with a upslope, the upslope with the curve part bottom surface
α is 30-40 °；The drift angle α is 35 ° in a preferred embodiment.
Another improved embodiment of the present utility model, shown in Fig. 2, the longitudinal elements 2 is the right-angled trapezium structure to stand upside down
Make；The right-angle side 20 of the right-angled trapezium of the handstand is located at the middle part of the bottom surface of lateral member 1, and hypotenuse 21 is from the bottom surface of line part 10
Extend downwardly, the hypotenuse 21 forms drift angle β with right-angle side 20, and the drift angle β is 22 ° 20 ' ± 10 '.The structure of the longitudinal elements 2
The center of gravity of apron lower pin is set to move forward, the raising of binding curve height so that the distribution of draw zone internal friction circle is more reasonable, enters
One step reduces the length in area of swimming, and fiber hands over speed point distribution reach in main drawing area, and jaw is concentrated further along, and makes fibre
The speed change of dimension is more stable.On the other hand, the strong point of the structural strengthening apron lower pin, the connection of apron lower pin and roller stand is made
It is firm, it is hardly damaged.
And it is 2-4.1 millis from the basal surface position of line part 10 corresponding to the upper end of hypotenuse 21 to the preset space K of the head end of lateral member 1
The technical characteristic of rice increased compared to prior art, it is intended to avoid hypotenuse 21 and the interference on the inside of apron.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of apron lower pin for being adapted to drafting mechanism of spinning machine, the arbitrary cross-section shape of the apron lower pin is identical, described disconnected
Face shape is integrally formed by the lateral member (1) and the longitudinal elements (2) that is extended downwardly from lateral member (1) base of strip, and it is special
Sign is that lateral member (1) top edge is the combined shaped that one section of straight line (100) is connected with one section of curve (110), corresponding institute
The lateral member (1) for stating straight line (100) is partly set to line part (10), and the lateral member (1) of the corresponding curve (110) is partly set to
Curve part (11)；
Straight line (100) length C of the line part (10) is 4.5-8.2 millimeters；Curve (110) length of the curve part (11)
D is 14.5-18.2 millimeters；Leading edge distance A of the peak of the curve (110) away from straight line (100) is 7-12 millimeters；The song
Distance B of line (110) peak away from lateral member (1) tail end is 10.7-15.7 millimeters.
2. the apron lower pin of adaptation drafting mechanism of spinning machine as claimed in claim 1, it is characterised in that the straight line (100)
Length C is 6 millimeters；Curve (110) the length D is 16.7 millimeters；The peak of the curve (110) is away from straight line (100)
Leading edge distance A is 10.48 millimeters；Distance B of curve (110) peak away from lateral member (1) tail end is 12.22 millimeters.
3. the apron lower pin of adaptation drafting mechanism of spinning machine as claimed in claim 1, it is characterised in that the curve (110)
Height difference H with straight line (100) is 1.3-3.5 millimeters；The total height of the apron lower pin is 5-15.7 millimeters.
4. the apron lower pin of adaptation drafting mechanism of spinning machine as claimed in claim 3, it is characterised in that the curve (110)
Height difference H with straight line (100) is 2.5 millimeters.
5. the apron lower pin of adaptation drafting mechanism of spinning machine as claimed in claim 1, it is characterised in that the line part (10)
Thickness I be 2.4-5 millimeters；The thickness J of the curve part (11) is 3.5-6 millimeters.
6. the apron lower pin of adaptation drafting mechanism of spinning machine as claimed in claim 5, it is characterised in that the line part (10)
Thickness I be 2.8 millimeters；The thickness J of the curve part (11) is 3.9 millimeters.
7. the apron lower pin of adaptation drafting mechanism of spinning machine as claimed in claim 1, it is characterised in that the curve part (11)
Bottom surface is tilted upward provided with a upslope (12), the upslope (12) and curve part (11) bottom close to apron lower pin tail end-side
Face forms drift angle α, and the drift angle α is 30-40 °.
8. the apron lower pin of adaptation drafting mechanism of spinning machine as claimed in claim 7, it is characterised in that the drift angle α is
35°。
9. the apron lower pin of the adaptation drafting mechanism of spinning machine as any one of claim 1-7, it is characterised in that described
Longitudinal elements (2) constructs for the right-angled trapezium stood upside down；
The right-angle side (20) of the right-angled trapezium of the handstand is located at the middle part of lateral member (1) bottom surface, and hypotenuse (21) is from the straight line
Portion (10) bottom surface extends downwardly, and the hypotenuse (21) forms drift angle β with right-angle side (20), and the drift angle β is 22 ° 20 ' ± 10 '.
10. the apron lower pin of adaptation drafting mechanism of spinning machine as described in claim 9, it is characterised in that from hypotenuse (21)
The preset space K of (10) basal surface position of line part corresponding to upper end to lateral member (1) head end is 2-4.1 millimeters.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017206809555 | 2017-06-12 | ||
| CN201720680955 | 2017-06-12 |
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| Publication Number | Publication Date |
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| CN207143406U true CN207143406U (en) | 2018-03-27 |
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| CN201720686065.5U Active CN207143406U (en) | 2017-06-12 | 2017-06-14 | It is adapted to the apron lower pin of drafting mechanism of spinning machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142571A (en) * | 2017-06-12 | 2017-09-08 | 汤永学 | It is adapted to the apron lower pin of drafting mechanism of spinning machine |
-
2017
- 2017-06-14 CN CN201720686065.5U patent/CN207143406U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142571A (en) * | 2017-06-12 | 2017-09-08 | 汤永学 | It is adapted to the apron lower pin of drafting mechanism of spinning machine |
| CN107142571B (en) * | 2017-06-12 | 2023-08-22 | 汤永学 | Leather collar lower pin adapted to drafting mechanism of spinning frame |
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