CN204948788U - Adopt cotton needle and take off cotton -padded covering - Google Patents
Adopt cotton needle and take off cotton -padded covering Download PDFInfo
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- CN204948788U CN204948788U CN201520751211.9U CN201520751211U CN204948788U CN 204948788 U CN204948788 U CN 204948788U CN 201520751211 U CN201520751211 U CN 201520751211U CN 204948788 U CN204948788 U CN 204948788U
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Abstract
The utility model relates to an adopt cotton needle and take off cotton -padded covering. Adopt that cotton needle includes the needle body, a set of being on a parallel with of being located on the needle body be provided with a set of cotton tooth of adopting between the recess of needle body axis, the every two adjacent recesses, the transversal arc of personally submitting of recess tank bottom. Taking off the cotton -padded covering and including the cover body, being provided with a set ofly and feather key recess sliding fit on the internal wall of cover, the feather key is on a parallel with the axis setting of set body, and the top of feather key cross section is the arc. The slot has the advantages of reasonable structural device, the sliding fit who adopts cotton needle and take off the cotton -padded covering is by fixing a position with the arc feather key that takes off the cotton -padded covering at the bottom of the arc wall of adopting cotton needle recess, it adopts the axle center that cotton needle was positioned to take off the cotton -padded covering to be favorable to making, can not cause and take off the cotton -padded covering inner wall to adopting the wearing and tearing of adopting cotton tooth on the cotton needle, and the area of contact who adopts at the bottom of the arc wall of cotton needle recess and take off the cotton -padded covering feather key is little, frictional resistance when having reduced to adopt cotton needle and take off cotton -padded covering cooperation use, the axial concertina movement that the messenger adopted cotton needle is more smooth and easy, the tape wrap to the cotton fibre has been reduced.
Description
Technical field
The utility model relates to a kind of cotton picking pin and de-cotton-padded covering.
Background technology
Many in order to solve cotton picking recruitment in season number, the problem that labor strength is large, people have developed various mechanical cotton picking and put effectively to improve cotton picking efficiency, alleviate the labour intensity of cotton picking workman.Wherein introduce the large-scale cotton picker from the U.S., this cotton picker comprises the cotton picking pin that cylinder and cylinder are arranged, and cotton picking pin is driven by the hydraulic mechanism in cylinder, also carries out rotation in cotton picking pin and cylinder synchronous rotary.After cotton picking pin adopts winding means to obtain unginned cotton, must by means of the High Rotation Speed of another structural member (de-cotton dish), utilize the frictional force that cotton fiber is applied, it is made to reverse relative to cotton picking pin, thus realize unginned cotton disengaging cotton picking pin, and to unginned cotton water spray to improve de-cotton effect, and fire hazard must be prevented in this course.The defect of this technology mainly contains two, and one is will consume a large amount of energy by removing moisture (general machine cotton picking processing technology will join twice drying plant) in the processing in later stage; Two is damages that powerful de-cotton can cause cotton fiber.
In order to solve the problem, the applicant have developed some mechanical cotton pickers successively, and its core apparatus mainly adopts telescopic cotton picking assembly, and cotton is carried out to mechanical picking, shirks.Namely power set drive cotton picking pin to slide along the annular groove in positioning disk outer peripheral edges, because positioning disk is set for the eccentric, so cotton picking pin does axial stretching motion while making linear displacement, and make cotton picking pin autobiography, cotton is wrapped on cotton picking pin, thus completes the harvesting to cotton; Be located at de-cotton-padded covering in frame and cotton picking pin is slidably matched, and with cotton picking pin synchronous axial system, when cotton picking pin is relative to de-cotton-padded covering retraction, under de-cotton-padded covering effect, the cotton be wrapped on cotton picking pin is shirked.The concrete structure of telescopic cotton picking assembly can see the record of the applicant in published patent document.
Specifically, existing cotton picking pin comprises needle body, uniformly on the outer peripheral face of needle body be arranged at intervals with some grooves axially arranged along needle body, groove is square groove, the uniform cotton picking tooth be arranged at intervals with along the axial setting of needle body on axial fin between adjacent two grooves, the evagination corners of cotton picking tooth is all near needle body head; Existing de-cotton-padded covering comprises body, and the head of body is conical, uniformly on body inwall is arranged at intervals with some feather keys be slidably matched with the groove on cotton picking pin, and feather key is square key.Because the evagination corners of cotton picking tooth is all arranged near needle body head, the cotton that cotton picking pin is wound around can shirk from backshank to syringe needle direction by de-like this cotton-padded covering easily, effectively avoids occurring that cotton easily adopts the drawback not easily shirked.This scheme is adopted to pluck cotton very easily and to shirk, square groove is simple with the strong structure in side, be easy to processing, bear variable load, strong shock resistance, but have the following disadvantages: one, because the groove on cotton picking pin is square groove, feather key on de-cotton-padded covering is square key, the contact of groove and feather key is that face contacts, cotton picking pin is not easily made to be positioned the axle center of de-cotton-padded covering, easily cause cotton picking pin cylindrical and the collision between cutting edge (i.e. cotton picking tooth) and de-cotton-padded covering inwall, thus cause the wearing and tearing of cotton picking pin cylindrical and cutting edge (i.e. cotton picking tooth); Two, because the groove on cotton picking pin is square groove, feather key on de-cotton-padded covering is square key, groove on cotton picking pin and the feather key on de-cotton-padded covering are that face contacts, frictional resistance is larger, not only make the axial stretching of cotton picking pin move to have some setbacks, easily cause fractureing of cotton picking pin during work, and because of cotton picking pin and de-cotton-padded covering friction and the temperature produced raises the spontaneous combustion easily causing cotton; Three, square groove and Fang Jianyi produce the tape wrap for cotton-wool, be unfavorable for de-cotton, and the cotton-wool of tape wrap easily ignite by the high temperature that cotton picking pin and de-cotton-padded covering matching part produce, and causes fire hazard.
Therefore the applicant needs badly and improves existing cotton picking pin and de-cotton-padded covering, to overcome above-mentioned shortcoming and defect.
Utility model content
The utility model provides a kind of cotton picking pin and de-cotton-padded covering, its reasonable in design, cotton picking pin and being slidably matched of de-cotton-padded covering lean at the bottom of the deep-slotted chip breaker of cotton picking pin groove to locate with the arcuate guide key of de-cotton-padded covering, be conducive to making cotton picking pin be positioned the axle center of de-cotton-padded covering, de-cotton-padded covering inwall can not be caused the wearing and tearing of cotton picking tooth on cotton picking pin, and it is little with the contact area of de-cotton-padded covering feather key at the bottom of the deep-slotted chip breaker of cotton picking pin groove, reduce cotton picking pin and de-cotton-padded covering with the use of time frictional resistance, the axial stretching of cotton picking pin is moved more smooth and easy, decrease the tape wrap for cotton-wool, solve problems of the prior art.
Cotton picking pin of the present utility model for solving the problems of the technologies described above adopted technical scheme is: the groove that it comprises needle body, on needle body one group is parallel to needle body axis, be often provided with one group of cotton picking tooth between adjacent two grooves, and the cross section of described groove bottom land is curved.
The cross section of described groove bottom land is circular arc, and the center of circle of described circular arc is arranged on on the needle body axis same footpath circle that is the center of circle.
Cotton picking tooth is provided with relief angle.
Described relief angle is 40 ° ~ 55 °.
Anchor portion is provided with at the afterbody of needle body.
De-cotton-padded covering of the present utility model for solving the problems of the technologies described above adopted technical scheme is: it comprises body, body inwall is provided with one group of feather key be slidably matched with groove, the axis that feather key is parallel to body is arranged, and the top of feather key cross section is curved.
The top of described feather key cross section is circular arc, on the same footpath circle that it is the center of circle that the center of circle of described circular arc is arranged on to overlap body axis.
The first gap between described body inwall and cotton picking tooth crest is greater than the second gap between body feather key top and groove bottom land.
Described feather key extends to outside body top.
Chamfering is provided with at the elongated end place of feather key.
Described chamfering is for being 43 ° ~ 53 °.
The opposite end of feather key elongated end is positioned at inside body tail end.
The outer peripheral face of body is provided with external tooth.
The outer peripheral face of body is provided with bearing assemble face.
The utility model adopts such scheme, has the following advantages:
1, the cross section of cotton picking pin groove bottom land is curved, on de-cotton-padded covering, the top of feather key cross section is curved, cotton picking pin and being slidably matched of de-cotton-padded covering lean at the bottom of the deep-slotted chip breaker of cotton picking pin groove to locate with the arcuate guide key of de-cotton-padded covering, namely be linear contact lay with the contact of the arcuate guide key of de-cotton-padded covering at the bottom of the deep-slotted chip breaker on cotton picking pin, be conducive to making cotton picking pin be positioned the axle center of de-cotton-padded covering.In addition, less with the contact area of the arcuate guide key of de-cotton-padded covering at the bottom of deep-slotted chip breaker on cotton picking pin, reduce cotton picking pin and de-cotton-padded covering with the use of frictional resistance, not only make the axial stretching of cotton picking pin move more smooth and easy, also avoid the friction because of cotton picking pin and de-cotton-padded covering and the temperature that produces raises the spontaneous combustion causing cotton.In addition, at the bottom of the deep-slotted chip breaker on cotton picking pin, decrease the tape wrap for cotton-wool with the arcuate guide key of de-cotton-padded covering, be conducive to de-cotton.
2, the cross section of cotton picking pin groove bottom land is circular arc, and the center of circle of circular arc is arranged on on the needle body axis same footpath circle that is the center of circle; On de-cotton-padded covering, the top of feather key cross section is circular arc, on the same footpath circle that it is the center of circle that the center of circle of circular arc is arranged on to overlap body axis, advantageously in the axle center making cotton picking pin be positioned de-cotton-padded covering, thus avoid the wearing and tearing of de-cotton-padded covering inwall to cotton picking tooth on cotton picking pin, extend the service life of cotton picking pin.
3, the first gap between body inwall and cotton picking tooth crest is greater than the second gap between body feather key top and groove bottom land, further avoid the wearing and tearing of de-cotton-padded covering inwall to the cotton picking tooth on cotton picking pin, extends the service life of cotton picking pin.
4, along the direction of rotation of cotton picking pin, cotton picking tooth is provided with relief angle.This structural design has the following advantages: (1) in the course of the work, mainly rely on the rotation of cotton picking pin, cotton is made to be wrapped on cotton picking tooth, namely the main anterior angle of cotton picking tooth that relies on catches on cotton, the anterior angle of the some cotton picking teeth on cotton picking pin on same cross section is all positioned at on the cotton picking needle axis same circle that is the center of circle, when the anterior angle of last cotton picking tooth catches on cotton, owing to being provided with relief angle at the rear portion of cotton picking tooth, abdicate the segment space on cotton picking tooth, after more easily making, cotton is caught on by the anterior angle of a cotton picking tooth, thus improves the picking efficiency of cotton; (2) owing to being provided with relief angle on cotton picking tooth, abdicated the segment space on cotton picking tooth, be wound around more cotton therefore, it is possible to allow on cotton picking tooth, further increase the picking efficiency of cotton.
5, relief angle is 40 ° ~ 55 °, relief angle too little, and its beneficial effect brought can reduce, and relief angle is too large, will switch at the bottom of the deep-slotted chip breaker of cotton picking pin groove, thus affects the location of cotton picking pin and de-cotton-padded covering and be slidably matched.
6, feather key extends to outside body top.In the prior art, when the cotton be wrapped on cotton picking pin is shirked toward retraction, de-cotton-padded covering by cotton picking pin time, the cotton be wrapped on cotton picking tooth is easily drawn in de-cotton-padded covering by de-gap between cotton-padded covering inwall and cotton picking tooth, there is following shortcoming: (1) cotton is drawn in de-cotton-padded covering, de-cotton-padded covering will be wrapped in the cotton compacting on cotton picking tooth, not easily be shirked by cotton totally; (2) cotton is drawn in de-cotton-padded covering, easily makes de-cotton-padded covering stuck, even makes cotton picking pin fracture time serious; (3) cotton is drawn in de-cotton-padded covering, and de-cotton-padded covering will be wrapped in the cotton compacting on cotton picking tooth, add the friction of de-cotton-padded covering and cotton, because fricative heat not easily sheds, easily makes the temperature produced because of friction raise and causes cotton spontaneous combustion.The utility model adopts said structure, and have the following advantages: cotton is drawn into the probability in de-cotton-padded covering by the gap that (1) reduces between de-cotton-padded covering inwall and cotton picking tooth, make de-cotton more smooth and easy, cotton is shirked cleaner; (2) decrease the cotton be wrapped on cotton picking tooth to be compacted, avoid causing the stuck of de-cotton-padded covering; (3) because cotton is drawn into the probability in de-cotton-padded covering by the gap reduced between de-cotton-padded covering inwall and cotton picking tooth, reduce the friction of de-cotton-padded covering and cotton, because fricative heat easily sheds, avoid the temperature produced because of friction and raise the spontaneous combustion causing cotton.
7, chamfering is provided with at the elongated end place of feather key.When shirking cotton, this structural design makes the cotton be wrapped on cotton picking tooth keep fluffy state, thus shirking of cotton is more prone to, and cotton shirk more thoroughly, clean.Chamfering is 43 ° ~ 53 °, thus is conducive to shirking of cotton.
8, the opposite end of feather key elongated end is positioned at inside body tail end.Under the prerequisite ensureing feather key guiding, positioning action, guiding key length can shorten, and this structural design has a little following: (1) is conducive to the machining accuracy ensureing feather key; (2) friction reducing cotton picking pin and de-cotton-padded covering is conducive to; (3) be conducive to alleviating overall weight.
9, on the outer peripheral face of body, external tooth is provided with.By coordinating of the gear pair on casing and external tooth, make de-cotton-padded covering drive cotton picking pin to rotate, cotton is wrapped on cotton picking pin, thus completes the harvesting to cotton.External tooth is located on body, improves intensity and the reliability of de-cotton-padded covering.
10, on the outer peripheral face of body, bearing assemble face is provided with.By bearing assemble on de-cotton-padded covering, de-cotton-padded covering can be rotated.
11, anchor portion is provided with at the afterbody of needle body.The anchor portion of needle body is flexibly connected with needle body seat by bearing, thus needle body is rotated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model cotton picking pin.
Fig. 2 be in Fig. 1 A-A to cutaway view.
Fig. 3 be in Fig. 1 B-B to amplification view.
Fig. 4 is the perspective view of the utility model cotton picking pin.
Fig. 5 is the structural representation that the utility model takes off cotton-padded covering.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the right view of Fig. 5.
Fig. 8 be in Fig. 5 C-C to cutaway view.
Fig. 9 be in Fig. 5 D-D to amplification view.
Figure 10 is the perspective view that the utility model takes off cotton-padded covering.
Figure 11 is the assembly structure schematic diagram of the utility model cotton picking pin and de-cotton-padded covering.
Figure 12 be in Figure 11 E-E to amplification view.
In figure, 1, needle body, 2, groove, 3, cotton picking tooth, 4, relief angle, 5, anchor portion, 6, anterior angle, 7, body, 8, feather key, the 9, first gap, the 10, second gap, 11, opening between key, 12, external tooth, 13, bearing assemble face, 14, chamfering.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
As shown in Fig. 1 ~ Fig. 4, Figure 11, Figure 12, the groove 2 that the utility model cotton picking pin comprises needle body 1, on needle body 1 one group is parallel to needle body axis, be often provided with one group of cotton picking tooth 3 between adjacent two grooves 2.The side view of cotton picking tooth 3 is right angled triangle or obtuse triangle, and the evagination corners of cotton picking tooth 3 is acute angle.Cotton picking tooth 3 is along needle body 1 axially helically linear setting, and the inclination angle of helix is 45 ~ 135 degree.The cross section of groove 2 bottom land is circular arc, and the center of circle of circular arc is arranged on on the needle body 1 axis same footpath circle that is the center of circle.Cotton picking tooth 3 is provided with relief angle 4, and relief angle 4 is 40 ° ~ 55 °.Anchor portion 5 is provided with at the afterbody of needle body 1.
As shown in Fig. 5 ~ Figure 10, Figure 11, Figure 12, the utility model takes off cotton-padded covering and comprises body 7, and body 7 inwall is provided with one group of feather key 8 be slidably matched with groove 2, and the axis that feather key 8 is parallel to body 7 is arranged.The top of feather key 8 cross section is circular arc, and the center of circle of circular arc is arranged on on the body 7 axis same footpath circle that is the center of circle.The first gap 9 between body 7 inwall and cotton picking tooth 3 top is greater than the second gap 10 between body feather key 8 top and groove 2 bottom land.Feather key 8 extends to outside body 7 top.Be provided with chamfering 14 at the elongated end place of feather key 8, chamfering 14 is for being 43 ° ~ 53 °.The opposite end of feather key 8 elongated end is positioned at inside body 7 tail end.The outer peripheral face of body 7 is provided with external tooth 12 and bearing assemble face 13.
The cross section of cotton picking pin groove 2 bottom land is circular arc, on de-cotton-padded covering, the top of feather key 8 cross section is circular arc, cotton picking pin and being slidably matched of de-cotton-padded covering lean at the bottom of the arc-shaped slot of cotton picking pin groove 2 to locate with the circular arc feather key 8 of de-cotton-padded covering, namely be linear contact lay with the contact of the circular arc feather key 8 of de-cotton-padded covering at the bottom of the arc-shaped slot on cotton picking pin, be conducive to making cotton picking pin be positioned the axle center of de-cotton-padded covering.In addition, less with the contact area of the circular arc feather key 8 of de-cotton-padded covering at the bottom of arc-shaped slot on cotton picking pin, reduce cotton picking pin and de-cotton-padded covering with the use of frictional resistance, not only make the axial stretching of cotton picking pin move more smooth and easy, also avoid the friction because of cotton picking pin and de-cotton-padded covering and the temperature that produces raises the spontaneous combustion causing cotton.In addition, at the bottom of the arc-shaped slot on cotton picking pin, decrease the tape wrap for cotton-wool with the circular arc feather key 8 of de-cotton-padded covering, be conducive to de-cotton.
The cross section of cotton picking pin groove 2 bottom land is circular arc, and the center of circle of circular arc is arranged on on the needle body 1 axis same footpath circle that is the center of circle; On de-cotton-padded covering, the top of feather key 8 cross section is circular arc, the center of circle of circular arc is arranged on on the body 7 axis same footpath circle that is the center of circle, advantageously in the axle center making cotton picking pin be positioned de-cotton-padded covering, thus avoid the wearing and tearing of de-cotton-padded covering inwall to cotton picking tooth 3 on cotton picking pin, extend the service life of cotton picking pin.
The first gap 9 between body inwall and cotton picking tooth 3 top is greater than the second gap 10 between body 7 feather key 8 top and groove 2 bottom land, further avoid the wearing and tearing of de-cotton-padded covering inwall to the cotton picking tooth 3 on cotton picking pin, extends the service life of cotton picking pin.
Along the direction of rotation of cotton picking pin, cotton picking tooth 3 is provided with relief angle 4.This structural design has the following advantages: (1) in the course of the work, mainly rely on the rotation of cotton picking pin, cotton is made to be wrapped on cotton picking tooth 3, namely the main anterior angle 6 of cotton picking tooth 3 that relies on catches on cotton, the anterior angle 6 of the some cotton picking teeth 3 on cotton picking pin on same cross section is all positioned at on the cotton picking needle axis same circle that is the center of circle, when the anterior angle 6 of last cotton picking tooth 3 catches on cotton, owing to being provided with relief angle 4 at the rear portion of cotton picking tooth 3, abdicate the segment space on cotton picking tooth 3, after more easily making, cotton is caught on by the anterior angle 6 of a cotton picking tooth 3, thus improve the picking efficiency of cotton, (2) owing to being provided with relief angle 4 on cotton picking tooth 3, abdicated the segment space on cotton picking tooth, be wound around more cotton therefore, it is possible to allow on cotton picking tooth 3, further increase the picking efficiency of cotton.
As shown in Figure 3, the angle [alpha] of relief angle 4 is 40 ° ~ 55 °.Relief angle 4 too little, its beneficial effect brought can reduce, and relief angle 4 is too large, will switch at the bottom of the arc-shaped slot of cotton picking pin groove, thus affects the location of cotton picking pin and de-cotton-padded covering and be slidably matched.
Feather key 8 extends to outside body 7 top.In the prior art, when the cotton be wrapped on cotton picking pin is shirked toward retraction, de-cotton-padded covering by cotton picking pin time, the cotton be wrapped on cotton picking tooth 3 is easily drawn in de-cotton-padded covering by de-gap between cotton-padded covering inwall and cotton picking tooth 3, there is following shortcoming: (1) cotton is drawn in de-cotton-padded covering, de-cotton-padded covering will be wrapped in the cotton compacting on cotton picking tooth 3, not easily be shirked by cotton totally; (2) cotton is drawn in de-cotton-padded covering, easily makes de-cotton-padded covering stuck, even makes cotton picking pin fracture time serious; (3) cotton is drawn in de-cotton-padded covering, and de-cotton-padded covering will be wrapped in the cotton compacting on cotton picking tooth 3, add the friction of de-cotton-padded covering and cotton, because fricative heat not easily sheds, easily makes the temperature produced because of friction raise and causes cotton spontaneous combustion.The utility model adopts said structure, and have the following advantages: cotton is drawn into the probability in de-cotton-padded covering by the gap that (1) reduces between de-cotton-padded covering inwall and cotton picking tooth 3, make de-cotton more smooth and easy, cotton is shirked cleaner; (2) decrease the cotton be wrapped on cotton picking tooth 3 to be compacted, avoid causing the stuck of de-cotton-padded covering; (3) because cotton is drawn into the probability in de-cotton-padded covering by the gap reduced between de-cotton-padded covering inwall and cotton picking tooth 3, reduce the friction of de-cotton-padded covering and cotton, because fricative heat easily sheds, avoid the temperature produced because of friction and raise the spontaneous combustion causing cotton.
Chamfering 14 is provided with at the elongated end place of feather key 8.When shirking cotton, this structural design makes the cotton be wrapped on cotton picking tooth 3 keep fluffy state, thus shirking of cotton is more prone to, and cotton shirk more thoroughly, clean.Chamfering 14 for being 43 ° ~ 53 ° the bests, thus is conducive to shirking of cotton.
The opposite end of feather key 8 elongated end is positioned at inside body 7 tail end.Ensureing that feather key 8 leads, under the prerequisite of positioning action, the length of feather key 8 can shorten, and this structural design has a little following: (1) is conducive to the machining accuracy ensureing feather key 8; (2) friction reducing cotton picking pin and de-cotton-padded covering is conducive to; (3) be conducive to alleviating overall weight.
The outer peripheral face of body 7 is provided with external tooth 12.By coordinating of the gear pair on casing and external tooth 12, make de-cotton-padded covering drive cotton picking pin to rotate, cotton is wrapped on cotton picking pin, thus completes the harvesting to cotton.External tooth 12 is located on body 7, improves intensity and the reliability of de-cotton-padded covering.
The outer peripheral face of body 7 is provided with bearing assemble face 13.By bearing assemble on de-cotton-padded covering, de-cotton-padded covering can be rotated.
The side view of cotton picking tooth 3 is right angled triangle or obtuse triangle, and the evagination corners of cotton picking tooth 3 is acute angle.Right angled triangle or obtuse triangle are conducive to the intensity ensureing cotton picking tooth 3, and acute angle improves the probability that cotton picking tooth 3 is wound around cotton.
Cotton picking tooth 3 is along needle body 1 axially helically linear setting, and the inclination angle of helix is 45 ~ 135 degree.This structural design is conducive to processing, maintains the rigidity of cotton picking tooth 3 entirety and makes de-cotton more smooth and easy.
Anchor portion 5 is provided with at the afterbody of needle body 1.The anchor portion 5 of needle body 1 is flexibly connected with needle body seat by bearing, thus needle body 1 can be rotated.
Above-mentioned embodiment can not as the restriction to the utility model protection domain, and for those skilled in the art, any alternate modification make the utility model embodiment or conversion all drop in protection domain of the present utility model.
The utility model does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (14)
1. a cotton picking pin, comprise needle body (1), groove (2) that a group of being positioned on needle body (1) is parallel to needle body axis, be often provided with one group of cotton picking tooth (3) between adjacent two grooves (2), it is characterized in that: the cross section of described groove (2) bottom land is curved.
2. a kind of cotton picking pin according to claim 1, is characterized in that: the cross section of described groove (2) bottom land is circular arc, and it is on the same footpath circle in the center of circle that the center of circle of described circular arc is arranged on needle body (1) axis.
3. a kind of cotton picking pin according to claim 1, is characterized in that: on cotton picking tooth (3), be provided with relief angle (4).
4. a kind of cotton picking pin according to claim 3, is characterized in that: described relief angle (4) is 40 ° ~ 55 °.
5. a kind of cotton picking pin according to claim 1, is characterized in that: be provided with anchor portion (5) at the afterbody of needle body (1).
6. one kind with cotton picking pin according to claim 1 with the use of de-cotton-padded covering, comprise body (7), it is characterized in that: on body (7) inwall, be provided with one group of feather key (8) be slidably matched with groove (2), the axis that feather key (8) is parallel to body (7) is arranged, and the top of feather key (8) cross section is curved.
7. one according to claim 6 takes off cotton-padded covering, it is characterized in that: the top of described feather key (8) cross section is circular arc, and it is on the same footpath circle in the center of circle that the center of circle of described circular arc is arranged on body (7) axis.
8. one according to claim 6 takes off cotton-padded covering, it is characterized in that: the first gap (9) between described body (7) inwall and cotton picking tooth (3) top is greater than the second gap (10) between body feather key (8) top and groove (2) bottom land.
9. one according to claim 6 takes off cotton-padded covering, it is characterized in that: described feather key (8) extends to outside body (7) top.
10. one according to claim 9 takes off cotton-padded covering, it is characterized in that: be provided with chamfering (14) at the elongated end place of feather key (8).
11. one according to claim 10 take off cotton-padded covering, it is characterized in that: described chamfering (14) is for being 43 ° ~ 53 °.
12. one according to claim 10 take off cotton-padded covering, it is characterized in that: the opposite end of feather key (8) elongated end is positioned at inside body (7) tail end.
13. one according to claim 6 take off cotton-padded covering, it is characterized in that: on the outer peripheral face of body (7), be provided with external tooth (12).
14. one according to claim 6 take off cotton-padded covering, it is characterized in that: on the outer peripheral face of body (7), be provided with bearing assemble face (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520751211.9U CN204948788U (en) | 2015-09-26 | 2015-09-26 | Adopt cotton needle and take off cotton -padded covering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520751211.9U CN204948788U (en) | 2015-09-26 | 2015-09-26 | Adopt cotton needle and take off cotton -padded covering |
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| Publication Number | Publication Date |
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| CN204948788U true CN204948788U (en) | 2016-01-13 |
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| CN201520751211.9U Active CN204948788U (en) | 2015-09-26 | 2015-09-26 | Adopt cotton needle and take off cotton -padded covering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105144990A (en) * | 2015-09-26 | 2015-12-16 | 田永军 | Cotton picking needle and cotton removing sleeve |
| WO2017049807A1 (en) * | 2015-09-26 | 2017-03-30 | 田永军 | Cotton picking needle, cotton removing sleeve, and power structure for cotton picking machine |
-
2015
- 2015-09-26 CN CN201520751211.9U patent/CN204948788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105144990A (en) * | 2015-09-26 | 2015-12-16 | 田永军 | Cotton picking needle and cotton removing sleeve |
| WO2017049807A1 (en) * | 2015-09-26 | 2017-03-30 | 田永军 | Cotton picking needle, cotton removing sleeve, and power structure for cotton picking machine |
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