Feed the cotton machine opening roller
Technical field
The present invention relates to a kind of cotton machine of feeding, be specifically related to feed the opening roller of cotton machine.
Background technology
As depicted in figs. 1 and 2, existing main body of feeding the cotton machine opening roller is a cylinder 11, with cylinder axis O ?the O direction be row, be uniformly distributed with fixing 6 on the cylinder and be listed as radially caltrop 12, wherein the 1st, 3,5 row are identical, the 2nd, 4,6 row are identical.Same listing, the axial spacing of adjacent two caltrops (being tooth pitch) is L, and adjacent two list, and the axial spacing of adjacent two caltrops is h, and L=2h.On same circumference, be evenly equipped with 3 caltrops, i.e. the opening roller unginned cotton of three shredding same points that rotates a circle.Impact the blind area and reduce manufacturing cost for fear of formation, impacting gap h should adapt with the size of cotton-wool, is 60 mm to the maximum, h=50mm among Fig. 1, L=100mm.Inevitably, sneak into the great spy assorted (like brick, stone, wooden unit etc.) of size>L in the unginned cotton, in feeding the cotton machine course of work, the assorted end play L that is difficult for passing adjacent two caltrops of these great spies, continuous and the friction of caltrop bump, initiation fire easily.
Summary of the invention
The technical problem that the present invention will solve provide a kind of can make great spy assorted pass easily feed the cotton machine opening roller.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind of cotton machine opening roller of feeding; Comprise cylinder, with cylinder axis O ?the O direction be row, be uniformly distributed with fixing some row caltrops on the cylinder; In the axial range at the same arbitrary adjacent two caltrops tip that lists; Drop in the above-mentioned axial range and borderline all caltrop points axis O ? orthographic projection on the O be N spaced point, these spaced points be in proper order in the axial direction first subpoint, second subpoint, the 3rd subpoint ..., the N subpoint, the axial distance of 2 adjacent projections points is respectively X in proper order
1, X
2..., X
N-1, therefore, the axial spacing L=X of adjacent two caltrops
1+ X
2+ ... + X
N-1, what need to satisfy is: the h of 2h<L≤(N-1); Wherein: 5≤N≤6, X
1, X
2..., X
N-1≤h impacts gap h≤60mm.
The above-mentioned cotton machine opening roller of feeding, said caltrop are 6 ~ 8 row, are distributed on the roll circumference, drop on saidly to state in the axial range and the most advanced and sophisticated quantity of borderline caltrop is 7 ~ 9.
The above-mentioned cotton machine opening roller of feeding, drop on said state in the axial range with borderline all the caltrop points of an end in same plane, whole cylinder has several such planes, plane and axis O ?O have angle, 60 °≤α≤80 °.
The above-mentioned cotton machine opening roller of feeding a bit is a datum mark with on the axis O ?O certain, and the datum mark both sides have some planes of waiting axial spacings to arrange respectively, and the incline direction on the incline direction on the plane of datum mark one side and the plane of opposite side is just in time opposite.
The above-mentioned cotton machine opening roller of feeding, the center line of said caltrop is a radial direction.
Above-mentioned cotton machine opening roller, the center line of said caltrop and the said plane parallel of feeding.
Existing opening roller, in a tooth pitch scope, all caltrop points axis O ? orthographic projection on the O be 3, the axial distance of 2 adjacent projections points is and is h.The formation contrast; The present invention is in a tooth pitch (being on same arbitrary adjacent two caltrops that the list most advanced and sophisticated axial range and border) scope; All caltrop points axis O ? forward projection point on the O be that the axial distance of 5 ~ 6, two adjacent projections points is respectively X in proper order
1, X
2..., X
N-1, because X
1, X
2..., X
N-1Therefore≤h, satisfies the axial spacing L=X of adjacent two caltrops
1+ X
2+ ... + X
N-1>2h is very easy.Because the increase of tooth pitch L, great spy is assorted to pass easily, avoids or reduce the generation of fire.
The present invention also provides another kind of can make assorted hello the cotton machine opening roller that passes easily of great spy.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind of cotton machine opening roller of feeding comprises cylinder, along cylinder axis O ?the O direction; Several have J the most advanced and sophisticated starlike disc in J angle arranges in order, 6≤J≤8, and cylinder passes the center of disc successively and disc is fixed on it; Disc and axis O ?O have angle, and 60 °≤α≤80 ° a bit is datum mark with on the axis O ?O certain; The incline direction of the incline direction of the disc of datum mark one side and the disc of opposite side is just in time opposite; Each disc occupied distance on axis O ?O is Y, and h<Y<Jh/2, the axial beeline Z≤h of datum mark homonymy two adjacent discs; Axial spacing L=Y+Z>2 h of datum mark homonymy two adjacent discs impact gap h≤60mm.
Above-mentioned cotton machine opening roller, the said h<Y≤14Jmm of feeding.
Above-mentioned cotton machine opening roller, the said Z=h of feeding.
The above-mentioned cotton machine opening roller of feeding, with cylinder axis O ?the O direction be row, said disc tip becomes row to arrange.
The axial spacing of datum mark homonymy two adjacent discs of the present invention (i.e. dish distance) L is the axial beeline Z sum of Y and datum mark homonymy two adjacent discs for each disc occupied distance on axis O ?O.When Z=h, only need let Y>h get final product, owing to have 6 ~ 8 tips on each disc; To have 6 tips on each disc is example, and the axial distance of adjacent two tips is Y/3 on the single disc, for fear of impacting the blind area; Y/3<h, i.e. Y<3h, therefore; When Y gets any value (being that Y/3 gets any value between h/3 ~ h) between h ~ 3h, just can the assurance dish apart from L>2h, this is easy to accomplish.When Z<h, only need to guarantee that a L>2h get final product, but, generally get Z=h from the simplicity consideration of manufacturing cost and structure.Because dish is apart from the increase of L, great spy is assorted to pass easily, avoids or reduce the generation of fire.In addition,, improved the intensity of self, be difficult for damaging the service life of having improved opening roller because the tip is formed on the disc.
Description of drawings
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention:
Fig. 1 is the structural representation of existing opening roller.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the side view of Fig. 4.
Fig. 4 is a structural representation of the present invention.
Among the figure: 11 cylinders, 12 caltrops, 21 cylinders, 22 discs.
The specific embodiment
Like Fig. 3 and shown in Figure 4, feeding cotton machine opening roller main body is cylinder 21, along cylinder axis O ?the O direction, several starlike discs 22 in J angle with J tip are arranged in order, wherein, J gets 6,7 or 8, J=6 in this example.Cylinder passes the center of disc and disc is fixing on it successively, disc and axis O ?O have angle, 60 °≤α≤80 °, α in this example=77 °.With on the axis O ?O certain a bit is datum mark; The incline direction of the incline direction of the disc of datum mark one side and the disc of opposite side is just in time opposite; The disc quantity of datum mark both sides is respectively 11 in this example, and the axial spacing L of datum mark homonymy two adjacent discs equates, promptly wheelbase such as disc is arranged.Each disc axis O ?on the O occupied distance be Y, and h<Y<Jh/2, Y=67mm in this example.In this example, for single disc, adjacent two most advanced and sophisticated axial spacings on it equate, are Y/3=67mm/3=22.3 mm≤h=50mm, and therefore, each disc can not form in the occupied scope on axis O ?O and impact the blind area, meets the requirements.The axial beeline Z≤h of datum mark homonymy two adjacent discs, Z=50mm=h meets the requirements in this example, can not form and impact the blind area.Axial spacing L=Y+Z=117 mm>2 h=100mm of datum mark homonymy two adjacent discs, the great spy assorted (like brick, stone, wooden unit etc.) who sneaks into size<117 mm in the unginned cotton can pass through easily, avoids initiation fire.
In addition, profile of tooth disk bending strength of the present invention is big, and it is bad that the tooth during work on the disk is difficult for an ancient egg-shaped, holed wind instrument, and manufacturing technique of the present invention is simple.
Introduce another embodiment of the invention below:
Be with above-mentioned embodiment difference: what fix on the cylinder still is caltrop rather than disc.This embodiment is divided into two kinds of structures, and the something in common of two kinds of structures is: the tip of caltrop is identical with the disc tip location.
A kind of structure is: the center line of whole caltrop is along the radial direction of cylinder, and the root weld of caltrop is fixed on the cylinder.
Another kind of structure is: the center line of whole caltrop is positioned at the plane of disk, and the root weld of caltrop is fixed on the cylinder, the discontinuous and a kind of structure that forms of the basic courses department that is equivalent to the disc upper prong.