CN211921777U - Doffer card clothing with arrowhead or semi-arrowhead-shaped teeth - Google Patents
Doffer card clothing with arrowhead or semi-arrowhead-shaped teeth Download PDFInfo
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- CN211921777U CN211921777U CN201922406290.0U CN201922406290U CN211921777U CN 211921777 U CN211921777 U CN 211921777U CN 201922406290 U CN201922406290 U CN 201922406290U CN 211921777 U CN211921777 U CN 211921777U
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Abstract
The utility model relates to a fibre shifts processing apparatus technical field, concretely relates to can improve the doffer card clothing of arrow point or half arrow point shape needle tooth to the transfer of fibre web and control ability. The utility model provides a doffer card clothing of arrow point or half arrow point shape latch, is in including being flat banded basal portion and equipartition latch on the basal portion be provided with the arch on a side of latch, it is protruding to be in longitudinal section on the basal portion vertical direction is half arrow point shape, bellied top is connected rather than the homonymy the side of latch tooth top, bellied bottom rather than the homonymy the side of latch tooth passes through arc concave surface transitional coupling. The utility model discloses a transfer and the control ability of doffer card clothing to the fiber surface net can be improved to the arch.
Description
Technical Field
The utility model relates to a fibre shifts processing apparatus technical field, concretely relates to can improve doffer card clothing to the transfer and the control ability of fibre web.
Background
With the research and development and application of high-speed high-yield carding machines and carding machines, the development is towards equipment with large breadth, high speed, heavy weight and thick cotton web, and especially towards the use of a large amount of chemical fibers and man-made cellulose fibers. The existing doffer card clothing can not meet the requirements of textile equipment and textile varieties, the transfer is not smooth, the fibers are repeatedly carded to damage the fibers, the control capability of a fiber cotton net is poor, the phenomenon of cotton net dropping is serious in high-speed and high-yield production, and the development of a high-speed and high-yield carding machine and a carding machine is directly restricted.
Disclosure of Invention
In order to solve the problem that the doffer card clothing is not smooth in transferring the cotton web, the fibers are repeatedly carded to damage the fibers, the control capability of the fiber cotton web is poor, and the cotton web and other problems are caused during high-speed production.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a doffer card clothing of arrow point or half arrow point shape latch, is in including being flat banded basal portion and equipartition latch on the basal portion be provided with the arch on a side of latch, it is protruding to be in longitudinal section on the basal portion vertical direction is half arrow point shape, bellied top is connected rather than the homonymy the side of latch tooth top, bellied bottom rather than the homonymy the side of latch tooth passes through arc concave surface transitional coupling. Namely, the projection of the needle tooth is in a half arrow shape.
Preferably, the projections are symmetrically provided on the other side surface of the pin tooth with respect to a perpendicular plane of the tip of the pin tooth as a symmetrical plane, whereby the projections on the pin tooth are formed in an arrow shape.
Preferably, the tooth top front part of the needle tooth is connected with the tooth back bottom part of the previous needle tooth through an inclined plane with an angle, the upper end of the inclined plane is in concave arc transition connection with the tooth top front part of the needle tooth, and the lower end of the inclined plane is in concave arc transition connection with the tooth back bottom part of the previous needle tooth.
Preferably, the thickness b1 of the base is 0.6-2.5mm, the thickness b2 of the tip of the needle tooth is 0.05-0.14mm, the total thickness b3 of the protrusion is 0.2-0.6mm, the total height h1 of the card clothing is 3.5-5.0mm, the shoulder height h2 of the base is 0.9-1.5mm, the tooth depth h3 of the needle tooth is 2.0-3.8mm, the height h4 of the protrusion is 0.4-0.8mm, the tooth pitch d of the needle tooth is 1.7-2.5mm, and the working angle α of the needle tooth is 20-40 degrees.
Preferably, the thickness b1 of the base is 0.9mm, the tip thickness b2 of the needle tooth is 0.08mm, the total thickness b3 of the projection is 0.24mm, the total height h1 of the card clothing is 4.3mm, the shoulder height h2 of the base is 1.25mm, the tooth depth h3 of the needle tooth is 2.2mm, and the height h4 of the projection is 0.4 mm.
Preferably, the thickness b1 of the base is 0.9mm, the tip thickness b2 of the needle tooth is 0.08mm, the total thickness b3 of the projection is 0.47mm, the total height h1 of the card clothing is 4.3mm, the shoulder height h2 of the base is 1.25mm, the tooth depth h3 of the needle tooth is 2.2mm, and the height h4 of the projection is 0.54 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the 'arrow head or semi-arrow head shaped raised needle teeth' make the fiber cotton web stop moving downwards, and avoid the cotton web sinking into the depth of the teeth to affect the stripping of the cotton stripping roller, so the transfer of doffer card clothing to the fiber cotton web is improved.
2. Because the tooth tips of the needle teeth with the arrow-shaped or semi-arrow-shaped bulges are gradually thickened downwards, the holding force of the fiber cotton net at the thickened part is increased, and the control capability of the fiber cotton net is improved.
3. Through the structure of the inclined plane, under the action of air flow generated by high-speed rotation of the roller, fibers move upwards and form effective carding with a matched movable cover plate, so that the carding effect of shallow teeth is achieved.
4. The utility model discloses a to basal portion thickness, total height, the different size change of working angle, the angle etc. at the bottom of tooth pitch, the tooth can design out and be fit for carding cotton, flax, chemical fibre, rayon etc. can design different suitable spinning raw fibers, the doffer card clothing of different equipment models.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a cross-sectional view of the card clothing in the first, second and third embodiments in a left side view.
FIG. 3 is a cross-sectional view of the card clothing in the fourth, fifth and sixth embodiments in a left side view.
In the figure: 1. base, 2, pin tooth, 3, protrusion, 4, inclined plane.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, the doffer card clothing of arrow head or half arrow-head-shaped needle tooth comprises a flat belt-shaped base 1 and needle teeth 2 uniformly distributed on the base 1, wherein a protrusion 3 is arranged on one side surface of the needle teeth 2, the longitudinal section of the protrusion 3 in the vertical direction of the base 1 is in a half arrow-head shape, the top end of the protrusion 3 is connected with the side edge of the tooth top of the needle teeth 2 on the same side of the protrusion 3, and the bottom end of the protrusion 3 is in transitional connection with the side surface of the needle teeth 2 on the same side of the protrusion 3 through an arc-shaped concave surface. In order to facilitate manufacturing and stable connection, the protrusion 3 and the needle teeth are integrally formed. The needle teeth 2 are protruded in a half arrow shape, so that the fiber cotton net is blocked downwards, the cotton net is prevented from sinking into the deep part of the teeth, the cotton stripping roller is prevented from being stripped, and the transfer of doffer card clothing to the fiber cotton net is improved. Because the convex pin tooth of half arrow point shape, from the prong down thickening gradually, the fibre cotton web is at thickening department "grip" increase, has improved the controllability to the fibre cotton web.
The tooth point front portion of the needle tooth 2 is connected with the tooth back bottom portion of the previous needle tooth 2 through an inclined surface 4 with an angle, the upper end of the inclined surface 4 is in concave surface arc transitional connection with the tooth point front portion of the needle tooth 2, and the lower end of the inclined surface 4 is in concave surface arc transitional connection with the tooth back bottom portion of the previous needle tooth 2. Through the structure of the inclined plane 4, under the action of air flow generated by high-speed rotation of the roller, fibers move upwards and form effective carding with a matched movable cover plate, so that the carding effect of shallow teeth is achieved.
The thickness b1 of the base 1 is 0.65mm, the tooth tip thickness b2 of the needle tooth 2 is 0.05mm, the total thickness b3 of the protrusion 3 is 0.2mm, the total height h1 of the needle tooth 2 is 3.5mm, the shoulder height h2 of the base 1 is 0.9mm, the tooth depth h3 of the needle tooth 2 is 2.0mm, the height h4 of the protrusion 3 is 0.4mm, the tooth pitch d of the needle tooth 2 is 1.7mm, and the working angle alpha of the needle tooth 2 is 20 degrees.
Example two:
as shown in fig. 1 and fig. 2, the technical solution is the same as the first embodiment, except that the sizes of the structures are different as follows:
the thickness b1 of the base 1 is 2.5mm, the tooth tip thickness b2 of the needle tooth 2 is 0.14mm, the total thickness b3 of the protrusion 3 is 0.6mm, the total height h1 of the needle tooth 2 is 5.0mm, the shoulder height h2 of the base 1 is 1.5mm, the tooth depth h3 of the needle tooth 2 is 3.8mm, the height h4 of the protrusion 3 is 0.8mm, the tooth pitch d of the needle tooth 2 is 2.5mm, and the working angle alpha of the needle tooth 2 is 40 degrees.
Example three:
as shown in fig. 1 and fig. 2, the technical solution is the same as the first embodiment, except that the sizes of the structures are different as follows:
the thickness b1 of base 1 is 0.9mm, the tooth point thickness b2 of pin tooth 2 is 0.08mm, protruding 3 total thickness b3 is 0.24mm, the overall height h1 of pin tooth 2 is 4.3mm, the shoulder height h2 of base 1 is 1.25mm, the tooth depth h3 of pin tooth 2 is 2.2mm, the height h4 of protruding 3 is 0.4 mm.
Example four:
as shown in fig. 1 and 3, a doffer card clothing of arrow head or half arrow point shape latch, is in including being flat banded basal portion 1 and equipartition latch 2 on the basal portion be provided with protruding 3 on a side of latch 2, protruding 3 is in vertical section on the 1 vertical direction of basal portion is half arrow point shape, the top of protruding 3 is connected rather than the homonymy the side of 2 addendums of latch, the bottom of protruding 3 rather than the homonymy the side of 2 latches passes through arc concave surface transitional coupling another side of 2 latches on with the perpendicular bisector of 2 addendums of latch is provided with for the symmetry plane symmetry protruding 3. For ease of manufacture, the projections 3 are formed integrally with the teeth. The symmetrical bulges 3 can further improve the transfer and control capability of the doffer card clothing on the fiber cotton web.
The tooth point front portion of the needle tooth 2 is connected with the tooth back bottom portion of the previous needle tooth 2 through an inclined surface 4 with an angle, the upper end of the inclined surface 4 is in concave surface arc transitional connection with the tooth point front portion of the needle tooth 2, and the lower end of the inclined surface 4 is in concave surface arc transitional connection with the tooth back bottom portion of the previous needle tooth 2. Through the structure of the inclined plane 4, under the action of air flow generated by high-speed rotation of the roller, fibers move upwards and form effective carding with a matched movable cover plate, so that the carding effect of shallow teeth is achieved.
The thickness b1 of the base 1 is 0.65mm, the tooth tip thickness b2 of the needle tooth 2 is 0.05mm, the total thickness b3 of the protrusion 3 is 0.2mm, the total height h1 of the needle tooth 2 is 3.5mm, the shoulder height h2 of the base 1 is 0.9mm, the tooth depth h3 of the needle tooth 2 is 2.0mm, the height h4 of the protrusion 3 is 0.4mm, the tooth pitch d of the needle tooth 2 is 1.7mm, and the working angle alpha of the needle tooth 2 is 20 degrees.
Example five:
as shown in fig. 1 and 3, the technical solution is the same as the fourth embodiment, and the difference is that the sizes of the structures are different, and the sizes are as follows:
the thickness b1 of the base 1 is 2.5mm, the tooth tip thickness b2 of the needle tooth 2 is 0.14mm, the total thickness b3 of the protrusion 3 is 0.6mm, the total height h1 of the needle tooth 2 is 5.0mm, the shoulder height h2 of the base 1 is 1.5mm, the tooth depth h3 of the needle tooth 2 is 3.8mm, the height h4 of the protrusion 3 is 0.8mm, the tooth pitch d of the needle tooth 2 is 2.5mm, and the working angle alpha of the needle tooth 2 is 40 degrees.
And sixthly, implementation:
as shown in fig. 1 and 3, the technical solution is the same as the fourth embodiment, and the difference is that the sizes of the structures are different, and the sizes are as follows:
the thickness b1 of base 1 is 0.9mm, the tooth point thickness b2 of pin tooth 2 is 0.08mm, protruding 3 total thickness b3 is 0.47mm, the overall height h1 of pin tooth 2 is 4.3mm, the shoulder height h2 of base 1 is 1.25mm, the tooth depth h3 of pin tooth 2 is 2.2mm, the height h4 of protruding 3 is 0.54 mm.
In the using process, the cylinder cotton net is condensed towards the doffer under the driving of high-speed eccentricity and air flow, the doffer grabs the cotton net, the fiber cotton net continues to descend under the action of the air flow, and the arrow-shaped or semi-arrow-shaped bulge prevents the fiber cotton net from descending, so that the phenomenon that the cotton net sinks into the depth of teeth to influence the stripping of a stripping roller is avoided, and the transfer of the arrow-shaped or semi-arrow-shaped bulge doffer card clothing to the fiber cotton net is improved. Meanwhile, as the tooth tips of the arrowhead-shaped or semi-arrowhead-shaped bulges are gradually thickened downwards, the holding force of the fiber cotton net at the thickened part is increased, and the control capability of the fiber cotton net is improved.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A doffer card clothing of arrow head or half arrow head shape needle tooth, is including the basal portion that is flat banded and equipartition in the needle tooth on the basal portion, its characterized in that: be provided with the arch on a side of pin tooth, it is protruding to be in longitudinal section on the basal portion vertical direction is half arrow point shape, bellied top is connected rather than the homonymy the side of pin tooth addendum, bellied bottom rather than the homonymy the side of pin tooth passes through arc concave surface transitional coupling.
2. A doffer card clothing having arrowhead or semi-arrowhead shaped teeth according to claim 1 wherein: the other side surface of the needle tooth is symmetrically provided with the bulges by taking the perpendicular plane of the tooth top of the needle tooth as a symmetrical plane.
3. Doffer clothing with arrowhead or semi-arrowhead shaped teeth according to claim 1 or 2, wherein: the front part of the tooth tip of the needle tooth is connected with the bottom part of the tooth back of the previous needle tooth through an inclined plane with an angle, the upper end of the inclined plane is in concave arc transition connection with the front part of the tooth tip of the needle tooth, and the lower end of the inclined plane is in concave arc transition connection with the bottom part of the tooth back of the previous needle tooth.
4. A doffer card clothing having arrowhead or semi-arrowhead shaped teeth according to claim 3 wherein: the thickness b1 of the base is 0.6-2.5mm, the thickness b2 of the tip of the needle tooth is 0.05-0.14mm, the total thickness b3 of the protrusion is 0.2-0.6mm, the total height h1 of the card clothing is 3.5-5.0mm, the shoulder height h2 of the base is 0.9-1.5mm, the tooth depth h3 of the needle tooth is 2.0-3.8mm, the height h4 of the protrusion is 0.4-0.8mm, the tooth pitch d of the needle tooth is 1.7-2.5mm, and the working angle alpha of the needle tooth is 20-40 degrees.
5. A doffer card clothing having arrowhead or semi-arrowhead shaped teeth according to claim 1 wherein: the thickness b1 of base is 0.9mm, the tooth point thickness b2 of latch is 0.08mm, protruding total thickness b3 is 0.24mm, the overall height h1 of card clothing is 4.3mm, the shoulder height h2 of base is 1.25mm, the tooth depth h3 of latch is 2.2mm, protruding height h4 is 0.4 mm.
6. A doffer card clothing of the arrowhead or semi-arrowhead type needle according to claim 2 wherein: the thickness b1 of base is 0.9mm, the tooth point thickness b2 of pin tooth is 0.08mm, protruding total thickness b3 is 0.47mm, the overall height h1 of card clothing is 4.3mm, the shoulder height h2 of base is 1.25mm, the tooth depth h3 of pin tooth is 2.2mm, protruding height h4 is 0.54 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922406290.0U CN211921777U (en) | 2019-12-27 | 2019-12-27 | Doffer card clothing with arrowhead or semi-arrowhead-shaped teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922406290.0U CN211921777U (en) | 2019-12-27 | 2019-12-27 | Doffer card clothing with arrowhead or semi-arrowhead-shaped teeth |
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| Publication Number | Publication Date |
|---|---|
| CN211921777U true CN211921777U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922406290.0U Active CN211921777U (en) | 2019-12-27 | 2019-12-27 | Doffer card clothing with arrowhead or semi-arrowhead-shaped teeth |
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| Country | Link |
|---|---|
| CN (1) | CN211921777U (en) |
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- 2019-12-27 CN CN201922406290.0U patent/CN211921777U/en active Active
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