CN214431705U - Regular hexagon reconstituted tobacco slitting cutter suitable for continuous processing - Google Patents

Abstract

The utility model discloses a regular hexagon reconstituted tobacco slitting cutter suitable for continuous processing, the front projection of a cutting part of a movable cutter is in a trapezoidal shape, the side projection of the cutting part is in an arc-shaped cutting part with a cutting edge gradually bending towards the rolling direction of the movable cutter, and the middle part of the cutting part is provided with at least one flow guide port with a through front surface and a through back surface; one side of the cutting edge facing the cutting surface is provided with a diversion trench communicated to the diversion port; the end face of the cutting edge is a plane and the back side of the cutting edge is a straight line side. Three connected cutting planes with trapezoidal projection shapes on the movable knife are intersected with an inwards concave arc-shaped cutting curved surface to form a double-pointed arc-shaped main cutting edge. During cutting, the double tips on the main cutting edge firstly puncture the continuously conveyed reconstituted tobacco, then the arc-shaped cutting part gradually passes through the fixed cutter to form shearing on the continuous reconstituted tobacco, and the continuous reconstituted tobacco can be cut into regular-hexagon independent flaky reconstituted tobacco through staggered cutting of two rows of adjacent movable cutters.

Description

Regular hexagon reconstituted tobacco slitting cutter suitable for continuous processing

Technical Field

The patent of the utility model relates to a reconstituted tobacco processing technology field especially relates to regular hexagon reconstituted tobacco cuts cutter suitable for continuous processing.

Background

The splitting machine is one of important devices of reconstituted tobacco production enterprises, and has the main function of providing a regular hexagonal sheet-shaped reconstituted tobacco product which is suitable for a shredding process and has uniform sheet shape and size meeting the process requirements for subsequent processing of cigarette enterprises, and meeting the problem of subsequent processing applicability of the cigarette enterprises.

At present, the shapes of reconstituted tobaccos commonly used in the reconstituted tobacco industry are quadrilateral and irregular sheets, the regular hexagon sheet shape is limited by continuous processing of reconstituted tobacco slitting, the slitting difficulty is high, no precedent of practical application exists at present, and at present, the known hexagonal slitting device is a six-deformation reconstituted tobacco slitting machine of Yunnan Kun ship [ CN111011910A ], and the reconstituted tobacco slitting processing device of cigarettes [ CN206433753U ] in Fujian cannot realize the slitting of the regular hexagon reconstituted tobaccos. The utility model discloses a pass through the in-service use and verify, can guarantee to process out regular hexagon reconstituted tobacco product in succession.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at overcoming current quadrangle or irregular slice shape reconstituted tobacco leaf and following not enough such as the slice size that shreds the in-process to exist is inhomogeneous, the loss is big, pipe tobacco length distribution is discrete, overcomes reconstituted tobacco leaf and cuts the in-process and glue the sword easily, cut the not durable scheduling problem of cutter, provide a durable and can satisfy cut the method of cutting and cut the cutter of regular hexagon reconstituted tobacco leaf product in succession.

For understanding the above technical problem, the utility model discloses a realize through following technical scheme:

the utility model discloses a regular hexagon reconstituted tobacco cuts cutter suitable for continuous processing, move the cutting tool and include the installation department and the cutting part on upper portion of bottom, the front projection of cutting part is trapezoidal form, the side projection of cutting part is the arc shape that the cutting edge progressively bends to the roller direction of moving the cutting tool, the middle part of cutting part is offered at least one water conservancy diversion mouth that the front and back link up; one side of the cutting edge facing the cutting surface is provided with a diversion trench communicated to the diversion port; the end face of the cutting edge is a plane and the back side of the cutting edge is a straight line side.

Furthermore, the cutting edge is formed by intersecting three connected cutting planes with trapezoidal projection shapes and an inwards concave arc-shaped cutting curved surface to form a double-pointed arc-shaped main cutting edge.

Furthermore, the guiding gutter is the arc guiding gutter of the arc cell type of indent, and the summit of the both sides limit of arc guiding gutter and the summit coincidence of cutting edge both sides end for the overlooking projection of cutting edge is that the cutting edge is crescent camber linear, relative back limit is sharp.

Furthermore, the depth of the arc groove of the guide groove is gradually deepened from the top of the cutting edge to the lower part until the arc groove is communicated with the guide port.

Furthermore, the diversion port is a polygon with an approximately trapezoidal shape; the area of the single sheet is larger than that of the regular hexagon reconstituted tobacco product, and the regular hexagon reconstituted tobacco product can smoothly pass through the single sheet in the cutting process.

Furthermore, the front projection of the cutting part is in an isosceles trapezoid shape, the installation part is in a rectangle shape, the movable knife is integrally formed, and the flow guide opening is in a polygon shape similar to the trapezoid shape.

Furthermore, an inclined guide corner edge is arranged on the edge of the inner side of the guide opening of the movable cutter.

The utility model discloses a theory of operation introduces:

the movable knives are arranged on the movable knife roller and are arranged side by side along the transverse direction according to a specific interval, the movable knives on two adjacent rows in the front and back are arranged in a staggered mode, the fixed knives matched with the movable knives for cutting are further arranged on the cutting surface, the size of the cut of each fixed knife is matched with the size and the specification of the blades of the movable knives and the shape and the size of a material to be cut and formed, the reconstituted tobacco paper is fed obliquely upwards, the fixed knives positioned behind the reconstituted tobacco are matched, the reconstituted tobacco finished product in a regular hexagon is just cut under the cutting of the two adjacent rows of movable knives, and then the discharging is finished under the movable knife roller. In the prior art, the shape of the finished product after cutting is an approximate hexagon with convex and concave edges instead of a regular hexagon due to the inward bending of the blade part; on the other hand, through a plurality of tests, the invention discovers that the blade in the prior art does not have an opening, although the blade edge part is bent inwards, turbulence is generated at the cutting part due to airflow generated by the blade in the operation process of the equipment, the turbulence can influence the probabilistic shaking of the fed paper, the cutting amount is changed, the cutting shape is changed, and the blade is not designed with the opening, so that the whole process is similar to the operation of a fan, the airflow is generated, the cutting rotating speed is limited, and the torque force and the power consumption cost of the motor are increased. In the structural design of the movable cutter of the utility model, firstly, the cutter surface is provided with the flow guide port which is communicated with the front surface and the back surface, so that the airflow in the rotation process can be effectively discharged along the flow guide port, the air turbulence in the cutting process is reduced, and the product can stably and orderly advance; secondly, a diversion trench communicated with the diversion port is arranged on one side of the cutting edge facing the cutting surface, so that the air flow met by the cutting edge part can be drained from the diversion trench to the diversion port to be discharged, in the moment of cutting the movable cutter and the reconstituted tobacco, local air between the cutting edge and the surfaces of the reconstituted tobacco leaves can be guided by the guide grooves, and cannot flow to the direction of the reconstituted tobacco leaves to cause air flow change to cause paper web deformation or lifting of the reconstituted tobacco leaves, so that the stability and cutting tightness of the cutting part are ensured, the probability of incomplete cutting and cutting in the cutting process is reduced, the regularity and consistency of the shape of a finished product are improved, crushed material and crushed foam in cutting are effectively prevented from being adsorbed and adhered to the movable cutter body, the adhesion amount to materials is reduced, the times of cleaning the movable cutter body by manual shutdown are reduced, and the continuous production is facilitated; meanwhile, the groove structure of the diversion trench also enables the overlooking projection of the cutting edge to be in a crescent arc shape, the opposite back edge is in a straight line shape, namely one side facing the cutting surface is in a crescent arc shape, and the cutting edge is matched with the bending arc shape of the upper cutting edge part, so that the sharpest cutting edge parts at the two ends of the cutting edge firstly puncture the paper surface of the reconstituted tobacco at the cutting moment and then gradually contact with the whole cutting edge to finish one-time cutting, thereby forming a point-to-surface cutting process, realizing the process of concentrating the cutting resistance of the cutting edge and the paper into local dispersion and then summarizing, effectively buffering the friction stress dispersion mode of the cutting edge during cutting, prolonging the service life of the cutting edge in continuous work, and enabling the air flow compressed by the rotation of the cutting edge to be discharged from the diversion trench to the diversion port along with the trend in the process, so that the cutting process is accurate and complete; finally, due to the design of the diversion trench, the other side of the knife edge, namely the back side of the knife back, can be designed in a linear manner, so that the cutting top side of one of the two cutting oblique sides of the whole knife edge is ensured to be a regular trapezoid formed by the linear type, and a complete regular hexagon shape is formed by a piece of material cut by the two movable knives.

Compared with the prior art, the utility model discloses the beneficial effect who possesses:

(1) move the guiding gutter of sword cutting edge below design for the blade edge of cutting edge is the crescent arc of indent, has reduced the contact surface when moving the production of sword and reconstituted tobacco, and the whole bending structure of sword cutting edge part is moved in the cooperation, has strengthened the stress intensity of cutting edge, has alleviateed the burden of cutting edge, has prolonged the life of cutting edge, realizes that long-time serialization production need not shut down and changes and move the sword.

(2) The design of the flow guide opening and the design of the flow guide groove on the movable knife ensures that airflow in the rotating process can be effectively discharged along the flow guide opening, thereby reducing the wind resistance in the operating process of the equipment, reducing the energy consumption and further improving the rotating speed; the problem that a large amount of cutting scraps, crushed aggregates and the like are adsorbed and adhered to the movable cutter body due to factors such as static electricity can be solved, the diversion trench can conduct air flow in the high-speed cutting process of the cutting part to the diversion port from the diversion trench to be discharged, the influence of local air flow formed turbulence on reconstituted tobacco is avoided, the uniformity and consistency of the shape of a finished product are guaranteed, and the cutting quality is improved.

(3) The back side of the knife back of the knife edge is linear due to the design of the diversion trench, so that the single reconstituted tobacco material obtained by cutting is in a complete and real regular hexagon shape, the loss of small pieces, fragments and broken powder caused by uneven sheet shape is obviously reduced, meanwhile, the sizes of the products of the regular hexagon on six sides and diagonal lines are more consistent, the requirement that the tobacco shreds obtained in the subsequent shredding processing link are more uniform in length is met, the loss of broken and short tobacco shreds is greatly reduced, and the use quality of the reconstituted tobacco is effectively and obviously improved.

Drawings

Fig. 1 is a schematic view of the structural state of the regular hexagon reconstituted tobacco slitting cutter for continuous processing in the reconstituted tobacco slitting device;

FIG. 2 is a schematic view of the three-dimensional structure of the regular hexagonal reconstituted tobacco slitting cutter suitable for continuous processing of the present invention;

FIG. 3 is a schematic diagram of arrangement and installation of the regular hexagon reconstituted tobacco slitting cutter suitable for continuous processing in application;

FIG. 4 is a schematic diagram of structural adaptation between the movable blade set and the fixed blade;

FIG. 5 is a schematic view of a cutting state three-dimensional structure of a cut part of the reconstituted tobacco between a movable cutter set and a fixed cutter;

FIG. 6 is a schematic view of the principle of guiding gas flow in the operation process of the regular hexagon reconstituted tobacco slitting cutter suitable for continuous processing of the present invention;

FIG. 7 is a schematic view of the blade and the cutting moment of the surface of the reconstituted tobacco;

FIG. 8 is a schematic structural view of a regular hexagonal reconstituted tobacco cut by the present invention;

wherein: 1-moving blade, 2-fixed blade, 1-mounting part, 1-2-cutting part, 1-3-blade, 1-4-diversion opening, 1-5-diversion groove, 1-6-cutting edge, 1-7-back edge, 1-8-oblique diversion corner edge, 3-reconstituted tobacco leaf and 3-1-regular hexagon reconstituted tobacco leaf.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example 1: regular hexagon reconstituted tobacco slitting cutter suitable for continuous processing, this embodiment move sword 1, as shown in fig. 1, fig. 3, need install and use on the cutter roller of reconstituted tobacco 3's slitting processingequipment, move sword 1 row number horizontal row and arrange, and the mutual distance of staggering half between the two rows of adjacent preceding and back move sword group and move sword 1 sword body and install, specific move sword size, the interval between every moves sword 1, the interval between every row moves sword group front and back, need be according to the size of cutting material, the numerical value calculation and the adaptation installation of cutter roller's rotational speed etc. and.

As shown in figures 4 and 5, the reconstituted tobacco 3 is continuously fed from the upper part, passes between the fixed knife 2 and the movable knife 1, and is synchronously cut by the two adjacent rows of movable knives 1 in the feeding process, as shown in figure 8, a group of regular hexagonal materials are just cut, and then the materials are discharged from the lower part of the roller of the movable knife 1.

As shown in fig. 2, the movable knife 1 comprises a mounting part 1-1 at the bottom and a cutting part 1-2 at the upper part, the front projection of the cutting part 1-2 is in a trapezoid shape, the side projection of the cutting part 1-2 is in an arc shape that the blade 1-3 is gradually bent towards the rolling direction of the movable knife 1, and the middle part of the cutting part 1-2 is provided with at least one flow guide opening 1-4 with a through front surface and a through back surface; one side of the cutting edge 1-3 facing the cutting surface is provided with a diversion trench 1-5 communicated to the diversion port 1-4; the end face of the blade 1-3 is a plane and the back edge 1-7 of the blade 1-3 is a straight edge. The guide grooves 1-5 are arc guide grooves 1-5 of inward-concave arc groove type, and the vertexes of the two side edges of the arc guide grooves 1-5 are superposed with the vertexes of the two side ends of the cutting edges 1-3, so that the overlooking projection of the cutting edges 1-3 is that the cutting edges 1-6 are crescent arc lines, and the opposite back edges 1-7 are linear.

The method comprises the following steps of cutting reconstituted tobacco through interaction of a fixed cutter and a movable cutter, wherein the steps comprise: and when the knife roller rotates, the arc-shaped main cutting edge forms a cutting surface with a trapezoidal axial section in a rotating state, so that the regular hexagon reconstituted tobacco products are obtained by cutting under the interaction of the fixed knife and the movable knife. When the movable blades rotate, the double tips on the main cutting blades firstly puncture continuous reconstituted tobacco, then the arc-shaped cutting blades gradually pass through the fixed blades in the rotation process to form shearing on the continuous reconstituted tobacco, and regular hexagon reconstituted tobacco products are cut through the staggered cutting of two rows of adjacent movable blades.

As shown in fig. 6, the cutter surface is provided with the flow guide ports 1-4 with the front and the back surfaces communicated with each other, so that air flow in the rotation process can be effectively discharged along the flow guide ports 1-4, the wind resistance in the operation process of equipment is reduced, the energy consumption caused by the wind resistance can be reduced, and the rotating speed can be further improved; secondly, a diversion trench 1-5 communicated with the diversion port 1-4 is arranged on one side of the cutting edge 1-3 facing the cutting surface, air flow met by the cutting edge 1-3 can be drained from the diversion trench 1-5 to the diversion port 1-4 to be discharged, namely, at the moment of cutting the paper of the moving blade 1 and the reconstituted tobacco leaf 3, local air between the cutting edge 1-3 and the reconstituted tobacco leaf 3 can be drained by the diversion trench 1-5, the air flow can not flow to the direction of the reconstituted tobacco leaf 3 to cause deformation or uplift caused by air flow change, the stability and cutting tightness of the cutting part are ensured, the probability of incomplete cutting in the cutting process is reduced, the regularity and consistency of the shape of a finished product are also improved, and crushed material during cutting is effectively prevented from being adsorbed and stuck on the cutter body of the moving blade 1, the adhesion amount to materials is reduced, the times of cleaning the knife body of the movable knife 1 by manual shutdown are reduced, and the continuous production is facilitated to be promoted; preferably, the inner side edge of the flow guide opening 1-4 of the moving blade 1 is provided with an oblique angle guide edge 1-8. The design of the oblique guide corner edges 1-8 is convenient for air flow to more conveniently and rapidly pass through the guide opening 1-4, and reduces the area of the edge of the front surface of the knife face of the movable knife, so that sundries such as slag generated in the production process can rapidly pass through the guide opening by means of air flow driving, the adhesion and adhesion on the surface of the movable knife are effectively prevented, the movable knife has the self-cleaning function, and the ring knot of manual cleaning during shutdown is avoided.

Meanwhile, as shown in fig. 7, the groove structure of the diversion trench 1-5 also enables the overlooking projection of the blade 1-3 to be in a shape that the cutting edge 1-6 is in a crescent arc shape, the opposite back edge 1-7 is in a straight shape, namely, one side facing the cutting surface is in a crescent arc shape, and the cutting edge 1-3 is matched with the bending arc shape of the upper blade, so that the sharpest blade tip parts at the two ends of the blade 1-3 contact the paper surface of the reconstituted tobacco leaf 3 at the moment of cutting, and then gradually contact with the whole blade 1-3 to finish one-time cutting, thereby forming a cutting process from point to surface, realizing the process that the cutting resistance of the blade 1-3 and the paper is dispersed from concentration to local and then summarized, effectively buffering the friction stress dispersion mode of the blade 1-3 during cutting, and prolonging the service life of the blade 1-3 in continuous work, in the process, the air flow compressed by the rotation of the cutting edge 1-3 can be discharged from the flow guide groove 1-5 to the flow guide opening 1-4 along the same way, so that the cutting process is accurate and complete; finally, due to the design of the flow guide grooves 1-5, the other side of the opening of the blade 1-3, namely the back side 1-7 of the blade back, can be designed in a linear manner, so that the two cutting oblique edges of the whole blade 1-3, namely the cutting top edge, are both in a regular trapezoid shape formed by the linear type, and a whole regular hexagon-shaped reconstituted tobacco leaf 3-1 is formed by one material cut by the two rows of movable blades 1.

Preferably, the depth of the arc groove of the diversion trench 1-5 gradually deepens from the top of the blade 1-3 to the lower part until the arc groove is communicated with the diversion port 1-4.

Preferably, the diversion port 1-4 is a polygon with a shape similar to a triangle or a trapezoid; the opening area of the flow guide openings 1-4 accounts for the area of the front surface of the whole moving blade 1 and is larger than the area of a single piece of a regular hexagon product.

Preferably, the front projection of the cutting part 1-2 is isosceles trapezoid, the mounting part 1-1 is rectangular, the moving blade 1 is integrally formed, and the flow guide opening 1-4 is a polygon with a shape similar to triangle or trapezoid.

The embodiment provides data of reconstituted tobacco products cut by the regular-hexagon reconstituted tobacco slitting cutter,detecting data such as Lower part：

Index (I)	Hexagon shape	Quadrilateral shape	Irregular shape
				Mean value of	3.27	3.78	2.16
Maximum value	4.00	5.40	6.70
				Minimum value	0.90	2.00	0.10
Extreme difference	3.10	3.40	6.60

For the desired regular hexagonal reconstituted tobacco product, in a preferred embodiment, the greater the range of variation, the greater the degree of dispersion as can be seen from the data. The range of the regular hexagon is 3.10, the quadrangle is 3.40, the irregularity is 6.60, and the discrete degree of the regular hexagon relative to the quadrangle and the irregular reconstituted tobacco is small.

Further optimization is carried out on the embodiment, the regular hexagon reconstituted tobacco slitting cutter is adjusted, the regular hexagon reconstituted tobacco of the slitting product is detected, and the result is as follows:

in the actual operation process, random sampling is carried out to measure the uniformity of the flakes, and the detection result of the actual operation can obviously show that the reconstituted tobacco product with the hexagonal specification is cut into the reconstituted tobacco product, compared with the prior art, the optimized scheme has the advantages that the proportion of the large flakes is 99.96 percent, the proportion of the medium flakes is 0 percent, the proportion of the small flakes, the fragments and the powder are respectively 0.03 percent and 0.01 percent, the proportion of the fragments and the powder of the quadrilateral and irregular products is higher than that of the regular hexagonal product, and the proportion of the regular hexagonal fragments and the powder is 0.01 percent; the quadrilateral fragments and the powder are respectively 0.14 percent and 0.19 percent; not optimize the scheme relatively, 34.85 percentage points are promoted to the large scale shape, and piece and garrulous end total account for than descend 0.32 percentage points, explain the utility model provides a regular hexagon reconstituted tobacco cuts cutter can improve the flaky homogeneity of reconstituted tobacco product greatly.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (7)

1. Regular hexagon reconstituted tobacco cuts cutter suitable for continuous processing, move sword (1) and include installation department (1-1) and cutting part (1-2) on upper portion of bottom, cutting part (1-2) front projection is trapezoidal form, and the side projection of cutting part (1-2) is cutting edge (1-3) and moves the arc shape that the direction is progressively crooked to moving sword (1) roll, its characterized in that:

the middle part of the cutting part (1-2) is provided with at least one flow guide port (1-4) with a through front surface and a through back surface; one side of the cutting edge (1-3) facing the cutting surface is provided with a diversion trench (1-5) communicated to the diversion port (1-4); the end surfaces of the blades (1-3) are planes, and the back edges (1-7) of the blades (1-3) are linear edges.

2. The regular-hexagon reconstituted tobacco slitting cutter as claimed in claim 1, wherein the cutting edges (1-3) are three connected cutting planes with trapezoidal projection shapes, and are intersected with an inwardly concave circular arc-shaped cutting curved surface to form a double-pointed arc-shaped main cutting edge.

3. The regular hexagon reconstituted tobacco slitting cutter as claimed in claim 2, wherein the arc-shaped cutting curved surface and the guide grooves (1-5) are combined into a whole to form arc-shaped guide grooves (1-5) of an inward-concave arc groove type, and the vertexes of the two side edges of the arc-shaped guide grooves (1-5) are coincided with the vertexes of the two side ends of the cutting edges (1-3), so that the overlooking projection of the cutting edges (1-3) is in the shape of a crescent arc line with double points, and the opposite back edges (1-7) are in a straight line shape.

4. The regular-hexagon reconstituted tobacco slitting cutter as claimed in claim 3, wherein the depth of the arc groove of the diversion groove (1-5) gradually deepens from the top of the cutting edge (1-3) to the lower part until the diversion port (1-4) is communicated.

5. The regular hexagon reconstituted tobacco slitting cutter according to any one of claims 1 to 4, wherein the diversion port (1-4) is a polygon with an approximately trapezoidal shape; the opening area of the flow guide openings (1-4) is larger than the single-piece area of the regular-hexagon reconstituted tobacco product, and the regular-hexagon reconstituted tobacco product can smoothly pass through the flow guide openings in the slitting process.

6. The regular hexagon reconstituted tobacco slitting cutter as claimed in claim 5, wherein the front projection of the cutting part (1-2) is isosceles trapezoid, the mounting part (1-1) is rectangular, the moving blade (1) is integrally formed, and the diversion port (1-4) is a polygon with an approximate trapezoid shape.

7. The cutting tool for the regular hexagonal reconstituted tobacco leaves according to any one of claims 1 to 4, wherein oblique guide corner edges (1-8) are arranged on the inner side edges of the guide openings (1-4) of the movable knife (1).

Images