CN217523926U - Device is cut to filiform material fixed length - Google Patents

Abstract

The utility model provides a device is cut to filiform material fixed length, including the frame, have one on its characterized in that frame and control the silk bundle and assemble the silk bundle that holds tightly and hold the mechanism tightly, hold with the silk bundle that the mechanism connects, control and assemble and hold the cutter that the silk bundle transversely cut off tightly, control the silk bundle section conveyer belt that the silk bundle section was seen off. Not only reduce the moment that the cutter produced, increase cutter life, can assemble a plurality of tows moreover, reduced the cutting degree of difficulty, the not putty, guarantee the quality and the effect of shredding, especially shred length adjustable, satisfy in the tobacco throwing pipe tobacco length and need have certain proportion long filament, well silk, short silk requirement, finally satisfy the requirement of a cigarette filling rate, the utility model discloses cutting cutter dish and conveying mechanism synchronous motion realize online continuous cutting.

Description

Device is cut to filiform material fixed length

Technical Field

The utility model relates to a cut the device, especially a device is cut to filiform material fixed length belongs to strip processing equipment design and manufacturing technical field.

Background

At present, the length cutting of the filiform materials is mainly finished in a rolling cutting or pressing cutting mode. Wherein: when the double-roller cutter is rolled and cut, two groups of roller cutters or a group of roller cutters are additionally provided with a group of supports to finish cutting, the distance between every two adjacent roller cutters is the cutting length, but the cutting quality is influenced because the cutting is not tight or the cut tows are neat because the materials are pulled and deformed, and the prior art only can ensure the interference fit between the double rollers for ensuring the cutting quality, so that the service life of the double rollers is greatly influenced. When the pressure cutting is carried out, the cutter cuts the filiform material from the upper part of the filiform material, the cutter is let the cutter blade cut off the material through positive pressure, and because the impact force can be generated when the cutter blade is contacted with the material, and the moment generated by cutting is larger, the service life of the cutter is directly influenced. In addition, the above two methods have the following disadvantages: the length can not be adjusted according to the requirement, and the requirement that the length of the cut tobacco in the tobacco shred manufacture needs to have a certain proportion of long, medium and short filaments is difficult to meet, and the requirement of the cigarette filling rate is difficult to meet finally. In addition, in the process of gathering and clamping the tows, the tows need to be gathered manually due to the conditions of material disorder, overflow and the like, so that the working efficiency is reduced when the manual workload is increased. Therefore, there is a need for improvements in the prior art.

Disclosure of Invention

Not enough to the above-mentioned that prior art exists, the utility model provides a device is cut to filamentous material fixed length that length is adjustable, when cutting the silk bundle material can not in disorder material, can not spill over.

The utility model discloses a following technical scheme accomplishes: the fixed-length cutting device for the filamentary materials comprises a frame and is characterized in that the frame is provided with a tow holding mechanism for controlling tows to gather and hold tightly, a cutter which is matched and connected with the tow holding mechanism and used for controlling the tows to gather and hold tightly and transversely cut off, and a tow section conveying belt for controlling the tows to be sent out.

The tow clasping mechanism comprises a tow manipulation gathering component, an inlet guide mechanism and a tow compression component, wherein the tow manipulation gathering component is positioned at the input end of the tow gathering component, the tow compression component is positioned above the tow gathering component and used for preventing the tows from emerging in the gathering and clasping process, so that the entering tows are sent into the tow gathering component through the inlet guide mechanism to be gathered and clasped, and the tows are prevented from emerging in the gathering and clasping process through the tow compression component to meet the requirements of fixed-length cutting.

The inlet guide mechanism comprises a front baffle and a rear baffle which are positioned on two sides of the central line of the tow gathering assembly, and a horn mouth channel with one wide end and the other narrow end is formed between the front baffle and the rear baffle so as to lead the entering tows into the tow gathering assembly after the entering tows are held tightly in advance.

The tow collection assembly comprises: the device comprises transmission components arranged along two sides of a tow conveying path and a plurality of guide shafts which are respectively connected with the two transmission components and are arranged at intervals, wherein two ends of each or a plurality of guide shafts are respectively sleeved with a sliding block with a plurality of clamping blocks at the inner end in a sliding manner, and the sliding block is connected with a driving mechanism, so that the sliding blocks at two ends of each or a plurality of guide shafts slide oppositely under the driving of the driving mechanism, and then the clamping blocks on the opposite sliding blocks are folded to clamp tows and separated to release the clamping of the tows.

The transmission assembly includes: the central shaft is respectively provided with fluted discs arranged at two ends of the central shaft in a rolling way through bearings, the fluted disc at one end is connected with the power machine, and the fluted discs are driven by the power machine to rotate around the central shaft to form a tow conveying path which is adaptive to the rotating track of the fluted discs.

The transmission assembly includes: the tow conveying device comprises a driving shaft, one or more driven shafts and chain components or belt components arranged at two ends of the driving shaft and the one or more driven shafts respectively, wherein all the chain components or belt components at one ends of the driving shaft and the driven shafts are connected with a first chain or synchronous belt, all the chain components or belt components at the other ends of the driving shaft and the driven shafts are connected with a second chain or synchronous belt, the driving shaft is connected with a power machine, and the chains or synchronous belts are driven by the power machine to move to form tow conveying paths matched with the running tracks of the chains or synchronous belts.

The clamping block comprises a vertical block, wherein the top of the vertical block is provided with a stop hook, the lower part of the vertical block is provided with a stop plate, and the stop plate is obliquely arranged so as to fold tows by the stop hook at the top and the inclined stop plate at the bottom.

The driving mechanism comprises two fixed convex components which are symmetrically and fixedly connected between the transmission components at intervals, and a plurality of rolling components which are arranged along the fixed convex components in a rolling or sliding way, each rolling component is fixedly connected with the lower end of a corresponding sliding block, the outer ends of the sliding blocks are matched and connected with springs sleeved on the guide shafts, so that the rolling components at the two ends of the guide shafts roll along the component surface of the convex component in the process that the guide shafts, the sliding blocks, the springs and the rolling components run along with the transmission components, and when the rolling components roll to the lower component surface of the convex component, the corresponding sliding blocks are pushed to move inwards under the action of the corresponding springs, so that opposite clamping blocks are folded to clamp tows; on the contrary, when the transverse cutter rolls to the high component surface of the convex component, the rolling component drives the corresponding slide block to compress the spring and move outwards, so that the opposite clamping blocks are separated and the clamping of the tows is released, and thus, the tows are further folded and held tightly to be cut into tow sections by a subsequent transverse cutter.

The tow compacting assembly comprises a belt or a chain with raised lines on the working surface, and belt rollers or chain wheels supported at the two ends and the middle part of the belt or the chain to form the tow compacting assembly which is adaptive to the tow converging assembly; a plurality of sand grips that set up through the interval on belt or the chain prevent that the silk bundle from emerging between the grip block that sets up in opposite directions at the grip block in-process that the grip block held tightly, ensure that the silk bundle can all be held tightly by the grip block that sets up in opposite directions, and belt or chain are a closure.

The cutter comprises a cutter head, a plurality of cutter seats arranged on the excircle of the cutter head, and blades arranged on each cutter seat, so that the blades form serrated cutters on the excircle of the cutter head, and tows entering the tow clasping mechanism to be clasped are transversely cut into tow segments with set lengths.

An included angle is formed between the outer surface of each blade and the middle shaft of the cutter head, and the included angle corresponds to a spatial intersection angle between the cutter head and the tow holding mechanism.

The blade is perpendicular to the tows after being held tightly by the clamping blocks on the corresponding sliding blocks, and sequentially passes through the space between two adjacent sliding blocks on the tow converging assembly to cut off the tows, so that the lengths of the tows are adapted to the widths of the sliding blocks, the tows are kept to move forwards at the same linear speed as that of the tow holding mechanism while fixed-length cutting is completed, and the blade is used for cutting the tows after being held tightly by the clamping blocks into tow sections with set lengths.

The movement of the blade is synthesized by the movement in the horizontal direction and the movement in the vertical direction, wherein the movement in one direction is used for transversely cutting the clamped tows in the tow clamping mechanism into tow sections according to a specific length; the movement in the other direction is used for ensuring that the linear speed of the filament bundle corresponds to the linear speed of the filament bundle which is already held by the filament bundle holding mechanism in the cutting process, so that the situation that the filament bundle is pulled and blocked and even mechanical interference occurs is avoided.

One transmission component of the filament bundle holding mechanism is connected with the fixed-length slitting power machine through a conventional gear transmission mechanism, and a disc shaft of the cutter disc is connected with the fixed-length slitting power machine through a conventional bevel gear and/or a universal joint, so that the filament bundle holding mechanism and the cutter synchronously rotate under the driving of the fixed-length slitting power machine.

The tow segment conveying belt is a conventional device and is connected with a tow segment conveying power machine so as to enable the tow segment conveying belt to operate under the driving of the tow segment conveying power machine.

The utility model has the advantages of it is following and effect: adopt above-mentioned technical scheme, not only reduce the moment that the cutter produced, increase cutter life, can assemble a plurality of tows moreover, reduced the cutting degree of difficulty, not putty, guarantee shredding quality and effect, especially shred length adjustable, satisfy the requirement that pipe tobacco length need have certain proportion long filament, well silk, short silk in the tobacco throwing, finally satisfy the requirement of a cigarette filling rate, the utility model discloses cutting blade disc and conveying mechanism synchronous motion realize online continuous cutting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the tow clasping mechanism of FIG. 1;

FIG. 3 is a schematic view of the tow collection assembly of FIG. 2;

FIG. 4 is a cross-sectional view of the tow collection assembly of FIG. 2;

FIG. 5 is an enlarged partial schematic view of FIG. 4;

FIG. 6 is a schematic view of the male component of FIG. 4;

FIG. 7 is a schematic view of the clamping block of FIG. 5;

FIG. 8 is a schematic view of the cross cutter head of FIG. 1;

fig. 9 is a partially enlarged schematic view of fig. 8.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model provides a device for cutting filamentary materials at fixed length, which comprises a frame 1, a tow holding mechanism 2 for controlling tows to gather and hold tightly, a cutter 3 which is matched and connected with the tow holding mechanism 2 and is used for controlling the tows to gather and hold tightly and transversely cut off, and a tow section conveyer belt 5 for controlling the tows to be sent out, as shown in figure 1;

the tow clasping mechanism 2 comprises a tow converging component 22 for controlling the tows to converge and clasp tightly, an inlet guide mechanism 21 positioned at the input end of the tow converging component 22 and a tow compressing component 23 positioned above the tow converging component 22 and used for preventing the tows from emerging in the converging and clasping process, so that the entering tows are sent into the tow converging component 22 through the inlet guide mechanism 21 to be gathered or converged and clasped tightly, and the tows are prevented from emerging in the gathering and clasping process through the tow compressing component 23 to meet the fixed-length cutting requirement, as shown in fig. 2;

the inlet guide mechanism 21 comprises a front baffle and a rear baffle which are positioned at two sides of the central line of the tow converging component 22, and a flared passage with a wide right end and a narrow left end is formed between the front baffle and the rear baffle so as to lead the entering tows into the tow converging component 22 after the entering tows are pre-clasped, as shown in fig. 2;

the tow collection assembly comprises: the tow conveying device comprises transmission components arranged along two sides of a tow conveying path and a plurality of guide shafts 223 which are respectively connected with the two transmission components and arranged at intervals, wherein two ends of each or a plurality of guide shafts 223 are respectively sleeved with a sliding block 225 of which the inner end is provided with a plurality of clamping blocks 226 in a sliding manner, the sliding block 225 is connected with a driving mechanism, so that the sliding blocks 225 at two ends of each or a plurality of guide shafts 223 slide oppositely under the driving of the driving mechanism, and the clamping blocks 226 on the opposite sliding blocks 225 are folded to clamp tows and separated to release the clamping of the tows;

the transmission assembly includes: the central shaft 221 is respectively provided with the fluted discs 222 arranged at the two ends of the central shaft 221 in a rolling manner through bearings, wherein the fluted disc 222 at one end is connected with a power machine so as to drive the two fluted discs 222 to rotate around the central shaft 221 through the power machine; a plurality of guide shafts 223 connected with the two fluted discs 222 are arranged at intervals on the outer circles of the two fluted discs 222, a sliding block 225 with a plurality of clamping blocks 226 arranged at the inner end is respectively sleeved at the two ends of each or a plurality of guide shafts 223 in a sliding manner, the sliding block 225 is connected with a driving mechanism, so that the sliding blocks 225 at the two ends of each or a plurality of guide shafts 223 slide oppositely under the driving of the driving mechanism, and then the clamping blocks 226 on the opposite sliding blocks 225 are folded to clamp tows (such as a folding section H of a tow converging assembly in fig. 3) and separated to enable the tows to enter between the clamping blocks 226 (such as a tow entering section J of the tow converging assembly in fig. 3), as shown in fig. 3, 4 and 5;

the clamping block 226 includes a vertical block 2263 having a material blocking hook 2261 on the top and a material blocking plate 2262 on the lower part, and the material blocking plate 2262 is obliquely arranged so as to fold the filament bundle with the material blocking hook 2261 on the top and the material blocking plate 2262 on the bottom, as shown in fig. 3, 4, 5 and 7;

the driving mechanism comprises two fixed convex components 227 which are symmetrically and fixedly connected on the central shaft 221 at intervals and are positioned between the two fluted discs 222, and a plurality of rolling components 228 which are arranged along the fixed convex components 227 in a rolling or sliding manner, each rolling component 228 is fixedly connected with the lower end of the corresponding sliding block 225, the outer ends of the sliding blocks 225 are matched and connected with springs 224 sleeved on the guide shafts 223, as shown in fig. 4, 5 and 6, so that the rolling components at the two ends of the plurality of guide shafts 223 roll along component surfaces of the fixed convex components 227 in the process that the plurality of guide shafts 223, the plurality of sliding blocks 225, the plurality of springs 224 and the plurality of rolling components 228 rotate along the two fluted discs 222, and when the rolling components roll to the lower component surfaces of the fixed convex components 227, the corresponding sliding blocks 225 are pushed by the corresponding springs 224 to move inwards along the guide shafts 223, so that the opposite clamping blocks 226 are folded to clamp the tow, and the tow is conveniently cut off; on the contrary, when the roller assembly 228 rolls to the high assembly surface of the fixed convex assembly 227, the roller assembly 228 drives the corresponding sliding block 225 to compress the spring 224 and move outwards along the guide shaft 223, so that the opposite clamping blocks 226 are separated, and the tows enter between the opposite clamping blocks 226, thus completing the entering, gathering and holding of the tows so as to cut the tows into tow sections by the transverse cutter head;

obviously, the transmission assembly comprises: the device comprises a driving shaft, one or more driven shafts, chain components or belt components respectively arranged at two ends of the driving shaft and the one or more driven shafts, all the chain components or belt components at one ends of the driving shaft and the driven shafts are connected with a first chain or synchronous belt, all the chain components or belt components at the other ends of the driving shaft and the driven shafts are connected with a second chain or synchronous belt, the driving shaft is connected with a power machine, and the chains or synchronous belts are driven by the power machine to move to form a tow conveying path adaptive to the running track of the chains or synchronous belts; the device comprises a plurality of chains or synchronous belts, a plurality of guide shafts are arranged between the two chains or synchronous belts at intervals, two ends of each or a plurality of guide shafts are respectively sleeved with a sliding block the inner end of which is provided with a plurality of clamping blocks in a sliding way, the sliding block is connected with a driving mechanism, the driving mechanism comprises two fixed cams which are symmetrically and fixedly connected between the two chains or synchronous belts at intervals and are adaptive to the running track of the chains or synchronous belts, a plurality of rollers which roll or slide along the fixed cams, each roller is fixedly connected with the lower end of the corresponding sliding block, the outer end of the sliding block is matched and connected with a spring sleeved on the guide shaft, so that the rollers at the two ends of the guide shafts roll along the wheel surface of the cam in the running process of the two chains or synchronous belts, and when the rollers roll to the lower wheel surface of the cam, the corresponding sliding blocks are pushed to move inwards under the action of the corresponding springs, and the opposite clamping blocks are folded to clamp tows; on the contrary, when the transverse cutter rolls to the high wheel surface of the cam, the roller drives the corresponding slide block to compress the spring and move outwards, so that the opposite clamping blocks are separated and the clamping of the tows is released, and thus, the tows are further folded and held tightly to be cut into tow sections by a subsequent transverse cutter;

the tow pressing assembly 23 comprises a belt 231 with a rack 2311 arranged on the working surface, and belt rollers 232 supported at the two ends and the middle part of the belt 231 to form an arc tow pressing assembly 23 matched with the tow converging assembly; the tows are prevented from emerging from the oppositely arranged clamping blocks 226 in the clamping process of the clamping blocks through the plurality of racks 2311 arranged on the belt 231 at intervals, so that the tows can be completely clamped by the oppositely arranged clamping blocks 226, and the belt 231 is a closed belt, as shown in fig. 2;

the cutter 3 comprises a cutter head 31, a plurality of cutter seats 32 arranged on the excircle of the cutter head 31, and a blade 33 arranged on each cutter seat 32, so that the blade 33 forms a serrated knife on the excircle of the cutter head 31, and tows entering the tow clasping mechanism 2 to be clasped are transversely cut into tow segments with set lengths;

a set included angle is formed between the outer surface of each blade 33 and the central axis of the cutter head 31, and the included angle corresponds to a spatial intersection angle between the cutter head 31 and the tow clasping mechanism 2;

the blade 33 is perpendicular to the filament bundles held tightly by the plurality of clamping blocks 226 on the corresponding sliding blocks 225, and sequentially passes through between two adjacent sliding blocks 225 on the filament bundle converging assembly 22 to cut the filament bundles, so that the length of the filament bundles is adapted to the width of the sliding blocks 225, fixed-length cutting is completed, and meanwhile, the same linear speed as that of the filament bundle holding mechanism 2 is kept to move forwards, so that the filament bundles held tightly by the clamping blocks 226 are cut into filament bundle sections with set lengths.

The movement of the blade 33 has a composition of elliptical-like movements both in the horizontal and vertical directions, wherein: the horizontal movement is used for transversely cutting the tows which are already held in the tow holding mechanism 2 into tow segments according to a specific length; the movement in the vertical direction is used for ensuring that the linear speed in the vertical direction corresponds to the linear speed of the tows already clasped by the tow clasping mechanism 2 in the cutting process, so that the tows are prevented from being pulled and blocked, and even the situation of mechanical interference is avoided;

a fluted disc 222 of the tow clasping mechanism 2 is connected with the fixed-length slitting power machine 4 through a conventional tooth component transmission mechanism, and a disc shaft of the cutter disc 31 is connected with the fixed-length slitting power machine 4 through a conventional conical tooth component and/or a universal joint, so that the tow clasping mechanism 2 and the transverse cutter disc 3 synchronously rotate under the driving of the fixed-length slitting power machine 4;

the tow holding mechanism 2 and the tow segment conveying belt 5 below the cutter 3 are used for conveying the tow segments after fixed-length cutting to the next process, and the tow segment conveying belt 5 is conventional equipment and is connected with a tow segment conveying power machine 6 so that the tow segment conveying belt 5 can run under the driving of the tow segment conveying power machine 6.

Claims (10)

1. The fixed-length cutting device for the filamentary materials comprises a frame and is characterized in that the frame is provided with a tow holding mechanism for controlling tows to gather and hold tightly, a cutter which is matched and connected with the tow holding mechanism and used for controlling the tows to gather and hold tightly and transversely cut off, and a tow section conveying belt for controlling the tows to be sent out.

2. The device for fixed-length slitting of the filamentous materials according to claim 1, wherein the tow holding mechanism comprises a tow converging component for controlling the tows to converge and hold tightly, an inlet guide mechanism positioned at the input end of the tow converging component, and a tow compressing component positioned above the tow converging component and used for preventing the tows from emerging in the converging and holding process.

3. A device for cutting filamentary materials to a fixed length according to claim 2 wherein the inlet guide comprises a front and a back baffle at both sides of the central line of the tow converging unit, and a flared passage with a wide end and a narrow end is formed between the front and back baffles.

4. The device for definite length cutting of filamentary material according to claim 2 wherein the tow converging assembly comprises: the device comprises transmission components arranged along two sides of a tow conveying path and a plurality of guide shafts which are respectively connected with the two transmission components and are arranged at intervals, wherein two ends of each or a plurality of guide shafts are respectively sleeved with a sliding block with a plurality of clamping blocks at the inner end in a sliding manner, and the sliding block is connected with a driving mechanism.

5. A device for definite length cutting of filamentary material according to claim 4 wherein the drive assembly comprises: the central shaft is respectively provided with fluted discs at two ends of the central shaft in a rolling way through bearings, wherein the fluted disc at one end is connected with the power machine, and is driven by the power machine to rotate around the central shaft to form a tow conveying path adaptive to the rotating track of the fluted disc;

alternatively, the transmission assembly comprises: the tow conveying device comprises a driving shaft, one or more driven shafts and chain components or belt components arranged at two ends of the driving shaft and the one or more driven shafts respectively, wherein all the chain components or belt components at one ends of the driving shaft and the driven shafts are connected with a first chain or synchronous belt, all the chain components or belt components at the other ends of the driving shaft and the driven shafts are connected with a second chain or synchronous belt, the driving shaft is connected with a power machine, and the chains or synchronous belts are driven by the power machine to move to form tow conveying paths matched with the running tracks of the chains or synchronous belts.

6. A device for cutting filamentary material at a fixed length according to claim 4, wherein the driving mechanism comprises two fixed convex components symmetrically fixed between the transmission components at intervals, a plurality of rolling components arranged along the fixed convex components in a rolling or sliding manner, each rolling component is fixedly connected with the lower end of the corresponding slide block, and the outer end of the slide block is matched and connected with a spring sleeved on the guide shaft.

7. A device is cut to filamentous material fixed length according to claim 4, characterized in that the clamping block comprises a vertical block, the top of which is provided with a material blocking hook, and the lower part of which is provided with a material blocking plate, and the material blocking plate is obliquely arranged.

8. A device for cutting and fixing filamentary materials according to claim 2, wherein the tow pressing component comprises a belt or a chain with raised strips on the working surface, and belt rollers or chain wheels supported at the two ends and the middle part of the belt or the chain to form a tow pressing component corresponding to the tow converging component.

9. The device is cut to filiform material fixed length of claim 1, characterized by that the cutter includes a cutter head, several tool holders located on the excircle of cutter head, and a blade located on each tool holder, so that the blade forms a serrated knife on the excircle of cutter head.

10. A fixed-length cutting device for filamentary materials according to claim 1, wherein a set included angle is formed between the outer surface of each cutter and the central axis of the cutter head, and the included angle corresponds to the spatial intersection angle between the cutter head and the filament bundle holding mechanism;

the cutter is vertical to the tows tightly held by the clamping blocks on the corresponding sliding blocks and sequentially passes through the space between two adjacent sliding blocks on the tow converging component;

the filament bundle holding mechanism is connected with the fixed-length slitting power machine through a tooth component transmission mechanism, and a disc shaft of the cutter is connected with the fixed-length slitting power machine through a bevel tooth component and/or a universal joint.

Images