Thread cutting tool bit with polygonal line blade for filament cutter
Technical field
The utility model relates to a kind of filament cutter chopping cutter, particularly decides the broken line sword chopping cutter of the pipe tobacco length of cutting on chopping cutter by height several alternate Different Plane edge widths of (perhaps claiming convex-concave), genus tobacco machine field.
Background technology
Long filament rate, middle silk rate and short silk rate are all influential to cigarette filling value in every cigarette shreds, the long filament rate is high more, the heavily fluctuation of every cigarette is big more, bear increases, and the rejecting amount strengthens, and the filling value descends, therefore long filament, middle silk, the short silk of pipe tobacco needs a rational proportion relation and just can make every cigarette shreds filling value bigger in every cigarette, relatively effective ways are to reduce pipe tobacco long filament rate in every cigarette, and silk rate in the raising reduces (short silk rate) filament broken rate.
The tobacco leaf chopping is the important step in the cigarette producing process, and filament cutter is the visual plant of present tobacco leaf throwing.Existing tobacco leaf chopping technology is: threshing machine earlier with tobacco leaf with after offal separates, again tobacco leaf is compacted into the cake that has certain compacted density and contain certain moisture content separately, cake flows to filament cutter by conveyer belt, the laterally tangential again cake of filament cutter, final acquisition needs length and the certain pipe tobacco of width.In making the cigarette process, the key equipment that pipe tobacco length is exerted an influence is a threshing machine, and threshing machine can determine the big smoked sheet of institute's tobacco leaf of cutting, middle smoked sheet rate; Making of filament cutter decision pipe tobacco is broken, controls the ratio of pipe tobacco long filament rate, middle silk rate and short silk rate jointly by threshing machine and two links of filament cutter.That is to say that the smoked sheet size that tobacco leaf produces through threshing machine decides the length of pipe tobacco after the chopping, itself can not control the chopping cutter of filament cutter pipe tobacco length when chopping.Beat between leaf and two processing links of chopping be interrelated, influence each other and mutual restriction.
Summary of the invention
The utility model purpose is to overcome the deficiencies in the prior art, invent a kind of in tobacco leaf chopping process, pipe tobacco length is directly decided by height several alternate Different Plane edge widths of (perhaps claiming convex-concave) in the broken line angle of throat tool that is installed on the filament cutter, not influenced by the tobacco leaf size, can fully satisfy the different requirements of cigarette process to pipe tobacco length, reduce the restraining factors between loosening tobacco leaves machine and the filament cutter, simplify the loosening tobacco leaves operation, that reduces tobacco leaf beats leaf loss, the hob type thread cutting tool bit with polygonal line blade for filament cutter that reduces production costs.
The purpose of the utility model thread cutting tool bit with polygonal line blade for filament cutter can be finished by following array structure and mode: by a diffusion knife (1), one is ask a tool section (2) and a hold(ing)-down clip (3) to form a cover broken line sword chopping cutter, number cover broken line sword chopping cutter is housed on each knife rest cylinder (4), holder tool section (2) is fixed on the knife rest cylinder (4), diffusion knife (1) is placed on the holder tool section (2), put hold(ing)-down clip (3) on the diffusion knife (1), diffusion knife (1) flexibly connects by bolt and holder tool section (2), it is characterized in that diffusion knife (1) front is made up of the alternate plane of several convex-concaves that a convex plane (12) links to each other with a concavity plane (11), diffusion knife (1) back side is the plane, there is an inclined-plane cutting edge diffusion knife (1) end, and the inclined-plane cutting edge of monoblock diffusion knife (1) is a continuous broken line.
The inclined-plane cutting edge angle α of described diffusion knife (1) is 12 ° of-26 ° of scopes, and the inclined-plane cutting edge and the cake of diffusion knife in the chopping process (1) are the line contact condition.
The convex face on convex plane (12) is rectangle, isoceles triangle profile of tooth, profile of tooth or plate shaped.
Between convex plane (12) in the described diffusion knife (1) and the adjacent concavity plane (11) an angle β is arranged, its β angle is 90 °-135 °.
Convex plane (12) thickness S in the diffusion knife (1) is the 2.5-4 millimeter, and concavity plane (11) thickness T is the 0.8-2 millimeter, and the discrepancy in elevation in a diffusion knife (1) between convex plane (12) and concavity plane (11) is the 2-3 millimeter.
In the described diffusion knife (1), the length L of the cutting edge on its concavity plane (13) is greater than the length H of the cutting edge (14) on convex plane.
Holder tool section (2) is the alternate holder cutter plane of convex-concave with diffusion knife (1) contact site, the width on holder cutter plane and convex plane (12) and concavity plane (11) width and the form fit in shape and the diffusion knife (1) in the holder tool section (2).
The holder knife face N of holder tool section (2) takes the form of inclined plane, and the end of holder knife face N is holder cutter line (21), and the inclined-plane angle theta among the holder knife face N makes the diffusion knife (1) and the holder knife face of holder tool section (2) be the line contact condition each other 1 ° of-5 ° of scope.
Hold(ing)-down clip (3) push type broach surface rear end is the M face, in face of the push type broach end have a protrusion, be olecranoid push type broach line (31), between push type broach line (31) and the push type broach surface rear end M face γ angle is arranged, angle γ is 10 ° of-30 ° of scopes.
The utility model operation principle is: every cover broken line sword chopping cutter arrangement comprises a diffusion knife (1), one is held in the palm a tool section (2) and a hold(ing)-down clip (3), holder tool section (2) solid is on knife rest cylinder (4), diffusion knife (1) is placed on holder tool section (2) and is pushed down by hold(ing)-down clip (3), is connected on the holder tool section (2) by bolt between holder tool section (2) and the hold(ing)-down clip (3).Number cover broken line sword chopping cutter arrangement is fixed on the knife rest cylinder (4).Principal character is edge to be designed to the tooth type structures on two planes of height (or claiming convex-concave), thereby forms the cutter tooth face of several height, and its blade becomes a space broken line.
During work, broken line sword chopping cutter rotates with knife rest cylinder (4) clockwise direction, when every cover broken line sword chopping cutter rotates chopping, since every diffusion knife (1) have form by a convex plane (11) and a concavity plane (12) several just (or title convex-concave) alternate be connected the plane, allow two alternate working face inclined-plane cutting edges of monoblock diffusion knife (1) convex-concave be a continuous broken line.Because the holder knife face N of holder tool section (2) takes the form of inclined plane, the end of holder knife face N is holder cutter line (21), and the inclined-plane angle theta among the holder knife face N is 1 ° of-5 ° of scope.Back diffusion knife (1) is installed is the line contact condition each other with the holder knife face N that holds in the palm tool section (2).
So during chopping, the cutting edge (14) on diffusion knife (1) convex plane is the incision raw tobacco material earlier, the cutting edge (13) on the concavity plane of diffusion knife (1) is followed by cutting raw tobacco material once more subsequently, allow a diffusion knife (1) otch discontinuous on same straight line, thereby make pipe tobacco be fractured into Len req at diffusion knife (1) cutting edge broken line place, then the length of pipe tobacco is directly controlled by the cutter facewidth, and the different cutter facewidth satisfies different pipe tobacco length, realizes goal of the invention.
The utility model thread cutting tool bit with polygonal line blade for filament cutter can be used on the hob type filament cutter, also can be applicable on the cutter-type filament cutter.
The utlity model has simple in structure, design ingenious, tobacco structure during the tobacco leaf chopping (length) is partly controlled by broken line sword chopping cutter, reduced and beaten the leaf operation, only existing primary processing line cutter has been changed simultaneously, need not to change original tobacco leaf filament cutter structure, just can produce, tangible use value is arranged, and economic worth and promotional value are a kind of practical new products that is suitable for.
Further describe below in conjunction with accompanying drawing, but protection domain of the present utility model is not limited to two embodiment shown in the drawings.
Fig. 1 is the utility model thread cutting tool bit with polygonal line blade for filament cutter, the structural representation of each component locations relation of duty.
Fig. 2 is a flat flute profile broken line angle of throat tool shown in Figure 1, the A position partial enlarged drawing at cutting edge position when the chopping duty.
Fig. 3 is diffusion knife (1) the modular construction schematic diagram in the flat flute profile broken line angle of throat tool shown in Figure 2.Wherein the cutting edge on convex plane (14) is flat flute profile.
Fig. 4 is the A-A direction cutaway view of flat flute profile diffusion knife shown in Figure 3 (1) parts.
Fig. 5 is the vertical view of flat flute profile diffusion knife shown in Figure 3 (1) parts.
Fig. 6 is the B position partial enlarged drawing of flat flute profile diffusion knife shown in Figure 5 (1) parts.
Fig. 7 is the structural representation of the flat flute profile diffusion knife of the utility model with holder tool section (2) parts.
Fig. 8 is the B-B direction cutaway view of flat flute profile diffusion knife shown in Figure 7 with holder tool section (2) parts.
Fig. 9 is the vertical view of flat flute profile diffusion knife shown in Figure 7 with holder tool section (2) parts.
Figure 10 is the C position partial enlarged drawing of flat flute profile diffusion knife shown in Figure 9 with holder tool section (2) parts.
Figure 11 is the utility model filament cutter another example structure of triangle flute profile broken line angle of throat tool, the structural representation of each component locations relation of duty.
Figure 12 is a rake tooth broken line angle of throat tool shown in Figure 11, the D position partial enlarged drawing at cutting edge position when the chopping duty.
Figure 13 is diffusion knife (1) the modular construction schematic diagram of rake tooth broken line angle of throat tool shown in Figure 12.Wherein the cutting edge on convex plane (14) is a rake tooth.
Figure 14 is the C-C direction cutaway view of rake tooth diffusion knife shown in Figure 13 (1) parts.
Figure 15 is the vertical view of rake tooth diffusion knife shown in Figure 13 (1) parts.
Figure 16 is the F position partial enlarged drawing of rake tooth diffusion knife shown in Figure 15 (1) parts.
Figure 17 is the structural representation of the utility model rake tooth diffusion knife (1) with holder tool section (2) parts.
Figure 18 is the D-D direction cutaway view of rake tooth diffusion knife shown in Figure 17 with holder tool section (2) parts.
Figure 19 is the vertical view of rake tooth diffusion knife shown in Figure 17 with holder tool section (2) parts.
Figure 20 is the G position partial enlarged drawing of rake tooth diffusion knife shown in Figure 19 with holder tool section (2) parts.
Figure 21 is the structural representation of the utility model hold(ing)-down clip (3) parts.
Figure 22 is the left view of hold(ing)-down clip shown in Figure 21 (3) parts.
Among the figure: 1-diffusion knife; 11-concavity plane; 12-convex plane; The cutting edge on 13-concavity plane; The cutting edge on 14-convex plane; 2-holder tool section; 21-holder cutter line; 3-hold(ing)-down clip; 31-push type broach line; 4-knife rest cylinder; 5-tobacco raw material.
The length of the cutting edge on L-concavity plane; The length of the cutting edge on H-convex plane; The thickness on S-convex plane; The thickness on T-concavity plane; M-push type broach surface rear end; N-holder knife face.
The inclined-plane cutting edge angle of α-diffusion knife one end; Angle between β-convex plane and the adjacent concavity plane; Angle between γ-push type broach line and the push type broach surface rear end M face; Inclined-plane angle among θ-inclined-plane N.
Embodiment 1 (flat flute profile broken line angle of throat tool)
Shown in Fig. 3-6, diffusion knife (1) is flat tooth type structures, select for use alloy tool steel material to make, convex plane (11) thickness S is 2.8 millimeters in every flat flute profile diffusion knife (1) cutter hub, the discrepancy in elevation between convex plane (11) and concavity plane (12) is 2 millimeters, concavity plane (12) thickness T is 0.8 millimeter, and the β angle in the wherein flat flute profile diffusion knife (1) is 110 °, and the shearing edge inclined-plane angle α of diffusion knife is 18 ° °.
Inclined-plane angle theta among the holder knife face N is 3 ° of scopes.Back diffusion knife (1) is installed is the line contact condition each other with the holder knife face N that holds in the palm tool section (2).Angle γ between push type broach line (31) in the hold(ing)-down clip (3) and hold(ing)-down clip (3) the push type broach surface rear end M face is 20 °, since push type broach line (31) for protrude, the olecranon shape, push type broach line (31) is higher than hold(ing)-down clip (3) push type broach surface rear end M face, is that line contacts so contacting between push type broach line (31) and the institute's crush-cutting silk blade (1) in the back hold(ing)-down clip (3) is installed.When using like this, hold(ing)-down clip (3) clamps diffusion knife (1) with the line way of contact jointly with holder tool section (2), is convenient to diffusion knife (1) and changes with the degree of wear and advance gradually.
Fig. 7-10 is holder tool section structural representation, each concavity plane (12) and convex plane (11) shape, size and location matches in every holder tool section (2) shape, size and position and the flat flute profile diffusion knife (1), a holder tool section (2) just holds in the palm a steady flat flute profile diffusion knife (1), allow flat flute profile diffusion knife (1) whole stressed evenly, but the location when asking tool section (2) can guarantee that diffusion knife (1) wearing and tearing advance simultaneously.Every holder tool section (2) is by being bolted on the knife rest cylinder (4).
During chopping, duty shown in Fig. 1-2, flat flute profile diffusion knife (1) is gone up the earlier tangential tobacco leaf of cutting edge (14) on convex plane, the cutting edge on concavity plane (13) is followed tangential tobacco leaf more subsequently, the cutting edge that same diffusion knife (1) gone up on the same straight line is discontinuous because of cutting edge (14) the chopping broken line on the cutting edge (13) on concavity plane and convex plane, thereby allow pipe tobacco be fractured into Len req at the broken line place, the length that realizes pipe tobacco is by the directly actuated goal of the invention of length H of the cutting edge (14) on the length L of the cutting edge (13) on concavity plane and convex plane.
Embodiment 2 (rake tooth broken line angle of throat tool)
Shown in Figure 13-16, diffusion knife (1) is the rake tooth structure, select for use alloy tool steel material to make, every rake tooth diffusion knife (1) cutter hub convex plane (11) thickness H is 3.5 millimeters, the discrepancy in elevation between convex plane (11) and concavity plane (12) is 3 millimeters, concavity plane (12) thickness is 0.5 millimeter, and wherein the β angle in the triangle flute profile diffusion knife (1) is 90 °, and the inclined-plane cutting edge angle α of diffusion knife (1) is 26 °.
Shown in Figure 17-20, the inclined-plane angle theta among the holder knife face N is 5 ° of scopes.Back diffusion knife (1) is installed is the line contact condition each other with the holder knife face N that holds in the palm tool section (2).
Shown in Figure 21-22, angle γ between push type broach line (31) in the hold(ing)-down clip (3) and hold(ing)-down clip (3) the push type broach surface rear end M face is 20 °, since push type broach line (31) for protrude, the olecranon shape, push type broach line (31) is higher than hold(ing)-down clip (3) push type broach surface rear end M face, is that line contacts so contacting between push type broach line (31) and the institute's crush-cutting silk blade (1) in the back hold(ing)-down clip (3) is installed.When using like this, hold(ing)-down clip (3) clamps diffusion knife (1) with the line way of contact jointly with holder tool section (2), is convenient to diffusion knife (1) and changes with the degree of wear and advance gradually.
Operation principle is identical with embodiment 1, shown in Figure 11-12, and the cutting edge on convex plane (14)--the earlier tangential tobacco leaf of the excessive cutting edge of-triangle, the tangential again tobacco leaf of the cutting edge on concavity plane (13)-straight line edge subsequently.