CN209420939U - A kind of tobacco cutting machine positioning limit for length's degree chopping knife assembly - Google Patents

Abstract

A kind of tobacco cutting machine positioning limit for length's degree chopping knife assembly, the high cutting edge and low cutting edge of diffusion knife front end are separately, diffusion knife is fixedly connected on rotor by hold(ing)-down clip, it is equipped with the dovetail vertical with cutting edge in the lower section of positioning blade, the dovetail groove matched with the dovetail on positioning blade is equipped on hold(ing)-down clip.The utility model is cooperated by the convex dovetail designed on concave dovetail and novel positioning cutter on novel hold(ing)-down clip, is solved the problems, such as that cutter is tilted and moved, can effectively be promoted chopping quality.The utility model is designed reasonably, structure is simple, the operation is stable, securely and reliably, is widely portable to various SD5 type tobacco cutting machines, is a kind of tobacco cutting machine positioning limit for length's degree chopping knife assembly.

Description

A kind of tobacco cutting machine positioning limit for length's degree chopping knife assembly

Technical field

The utility model relates to a kind of tobacco cutting machine component, specifically a kind of tobacco cutting machine positions limit for length's degree shredding knife Component.

Background technique

Critical component of the knife roller of filament cutter as tobacco cutting machine, circumferential surface are uniformly distributed ten through sharpening sharp cut Silk blade.Diffusion knife is compressed by hold(ing)-down clip, is pushed feed through delivering gear, seal wire item is installed behind diffusion knife, for throwing Pipe tobacco after cutting out, the pipe tobacco length after cutting is determined according to tobacco leaf size, not can be carried out control.Domestic tobacco The tobacco leaf of industry Primary processing shop is provided by threshing redrying plant, and in order to reduce rough broken and rate containing foam, tobacco leaf size is base This standard, the pipe tobacco length after this blade cutting is relatively suitble to the cigarette processing of normal diameter cigarette.

The production and sale of Chinese style " ramuscule " cigarette are greatly developed and promoted to tobacco business in recent years, and cigarette diameter is more normal Cigarette is small；When too big due to too long pipe tobacco accounting, it will cause winding in conveying, cut tobacco drying, cigarette machine material storing box, increase The cigarette qualities defect such as cigarette short, resistance to suction, so the critical process index of processing " ramuscule " cigarette is to control pipe tobacco Length should reduce the long filament rate in pipe tobacco, also to improve in silk, short silk rate, while in order to save material, pipe tobacco is processed Cheng Zhongxu reduces that pipe tobacco is rough broken and rate containing foam as far as possible.By repetition test, could only be expired by changing filament cutter cutting way The new technology for making tobacco threds requirement of foot.Tobacco leaf enters filament cutter during chopping, is compacted into tightly by conveying row chain above and below by cylinder Close " cake ", during rotor component continuous rotation cuts pipe tobacco, since the density of " cake " left and right is not quite identical Or when having foreign matter in tobacco leaf, it will appear cutter inclination in cutting process and move left and right, influence the uniformity of cut width.Mesh Move ahead the limit pipe tobacco length chopping knife system used in the industry, without positioning function.

Summary of the invention

The purpose of this utility model be for overcome the problems, such as existing apparatus during chopping cutter tilt and move left and right, It is proposed a kind of technical solution of tobacco cutting machine positioning limit for length's degree chopping knife assembly.

The technical solution of the utility model is: a kind of tobacco cutting machine positioning limit for length's degree chopping knife assembly, before diffusion knife Separately, diffusion knife is fixedly connected on rotor the high cutting edge and low cutting edge at end by hold(ing)-down clip, in the lower section of positioning blade Equipped with the dovetail vertical with cutting edge, the dovetail groove matched with the dovetail on positioning blade is equipped on hold(ing)-down clip.

Matching in the dovetail groove that the dovetail matches is clearance fit.

The positioning blade overall thickness B=5-6mm, depth of dovetail b=2-3mm.

The high land length H=70-90mm, low land length h=30-50mm.

The utility model is that dovetail locating slot is used on hold(ing)-down clip and shredding knife, on the dovetail groove and blade on hold(ing)-down clip Dovetail cooperation, make fixed reliable and stable of blade position, will not move left and right.The utility model cutting knife cutting edge has difference in height, The high cutting edge and low cutting edge of cutting edge face formation rule are successively cut in " cake " being compacted when rotor continuous rotation, are first cut The pipe tobacco length for entering part is consistent with the first incision length dimension of cutting edge portion, the rear pipe tobacco length for cutting part and rear incision sword The length dimension of oral area point is consistent, can thus cut required pipe tobacco length.Pipe tobacco can be effectively reduced in Novel cutter device In long filament rate, in increase, short silk rate, control filament broken rate, so that tobacco structure is reached " ramuscule " cigarette producing process index and want It asks.The utility model can substitute SD5 filament cutter Yuanping City cutter, and installation dimension is consistent with original device, can also lead to It crosses multiple combinations to be installed, to meet technique requirement.The utility model is by design concave dovetail on novel hold(ing)-down clip and newly Type positions the convex dovetail cooperation on cutter, solves the problems, such as that cutter is tilted and moved, can effectively promote chopping quality. The utility model is designed reasonably, structure is simple, the operation is stable, securely and reliably, is widely portable to various SD5 type tobacco shredss Machine is a kind of tobacco cutting machine positioning limit for length's degree chopping knife assembly.

Detailed description of the invention

Fig. 1 is the utility model assembling schematic diagram

Fig. 2 is the utility model positioning blade perspective view

Fig. 3 is the utility model positioning blade main view

Fig. 4 is the utility model positioning blade A-A cross-sectional view

Fig. 5 is the utility model hold(ing)-down clip perspective view

Fig. 6 is the utility model hold(ing)-down clip main view

Fig. 7 is the utility model hold(ing)-down clip B-B cross-sectional view

Fig. 8 is the structural schematic diagram that the utility model is mounted on rotor

In figure: 1 being rotor, 2 be hold(ing)-down clip, 3 be positioning blade, 4 be dovetail, 5 be high cutting edge, 6 be low cutting edge, 7 be swallow Stern notch.

Specific embodiment

The implementation of the utility model is further elaborated with reference to the accompanying drawing:

A kind of tobacco cutting machine positioning limit for length's degree chopping knife assembly, is equipped with vertical with cutting edge in the lower section of positioning blade 3 Dovetail 4, is equipped with the dovetail groove 7 with the dovetail clearance fit on positioning blade on hold(ing)-down clip, and dovetail can be reciprocal in dovetail groove Movement.Positioning blade overall thickness B=5-6mm, positioning blade the overall thickness B=5.8mm, depth of dovetail b=2- of present embodiment 3mm, depth of dovetail b=2.8mm of present embodiment, dovetail slot length run through positioning blade.The Gao Ren of diffusion knife front end Mouthfuls 5 and with low cutting edge 6 separately, the length of high cutting edge and low cutting edge is to design as needed, usual high 5 length H=70- of cutting edge 90mm, low 6 length h=30-50mm of cutting edge.The high land length of present embodiment is 80mm, and low land length is 40mm, chopping Blade is screwed by hold(ing)-down clip 2 and is connected on rotor 1.

The working principle of the utility model is: 10 sets of the utility model chopping knife assemblies are pacified jointly with seal wire item, push broach block On knife roller of filament cutter, diffusion knife is screwed by hold(ing)-down clip to be connected on rotor 1, the dovetail groove on hold(ing)-down clip with Dovetail cooperation on positioning blade, so that positioning blade is reliable and stable, will not move left and right, positioning blade is provided with recessed on thickness Slot makes the cutting edge of blade become concave-convex alternate, and the cutting edge positioned at eminence is high cutting edge, and the cutting edge positioned at groove is low cutting edge. In " cake " that successively incision is compacted when rotor continuous rotation, first cuts the pipe tobacco length of part and first cut cutting edge portion Length dimension it is consistent, the rear pipe tobacco length for cutting part is consistent with the length dimension of cutting edge portion is cut afterwards, can thus press It is required that cutting required pipe tobacco length；In order to reduce the long filament rate in pipe tobacco, in increase, short silk rate, control percentage of raw brokens, use The utility model can reduce long filament rate in pipe tobacco, silk rate, short silk rate but also be down to filament broken rate and rate containing foam most in increase It is low, achieve the purpose that save material.

The utility model chopping knife assembly is in two SD5 filament cutters of Guiyang Tobacco Factory, Guizhou Tobacco Industry Co., Ltd Upper carry out industrial experiment, initial stage all install ten sets of Novel cutter devices on rotor；According to Guiyang Tobacco Factory's process management Section tests and analyzes, and being cut using the utility model is reduced long filament rate, increases middle silk rate, and filament broken rate can also be fully controlled in technique In index.Table 1 are as follows: SD5 filament cutter is using the tobacco structure comparison after existing truncation knife system and the utility model chopping:

Table 1

From upper the above results it is found that long filament rate (﹥ 4.75mm) cut tobacco ratio drops to 19.97 ﹪, long filament ratio by 41.9 ﹪ 21.93 ﹪ of example decline；Middle silk rate (4.75mm~2.00mm) cut tobacco ratio is promoted to 45.61 ﹪ by 29.67 ﹪, and middle silk ratio increases Add 15.94 ﹪；Short silk rate (2.00mm~1.00mm) cut tobacco ratio is promoted to 29.26 ﹪ by 24.04 ﹪, and short silk ratio increases 5.22 ﹪；Filament broken rate (﹤ 1mm) cut tobacco ratio rises to 5.16 ﹪ by 4.39 ﹪, and broken silk ratio rises 0.77 ﹪.Fabrication evaluation refers to " cigarette process specification " requirement is fully achieved in mark, therefore using invention achieves the purposes of control pipe tobacco length；

Test explanation: the utility model can substitute the existing truncation knife system of SD5 filament cutter, installation dimension and original device It is consistent, haves no need to change the structure of existing equipment, can also be installed by multiple combinations, to meet technique requirement.

Claims (4)

1. a kind of tobacco cutting machine positions limit for length's degree chopping knife assembly, the high cutting edge and low cutting edge of diffusion knife front end separately, Diffusion knife is fixedly connected on rotor by hold(ing)-down clip, which is characterized in that is equipped in the lower section of positioning blade (3) and is hung down with cutting edge Straight dovetail (4) is equipped with the dovetail groove (7) matched with the dovetail (4) on positioning blade on hold(ing)-down clip (2).

2. a kind of tobacco cutting machine as described in claim 1 positions limit for length's degree chopping knife assembly, it is characterised in that: the swallow Matching in the dovetail groove (7) that tail (4) matches is clearance fit.

3. a kind of tobacco cutting machine as described in claim 1 positions limit for length's degree chopping knife assembly, it is characterised in that: described determines Position blade (3) overall thickness B=5-6mm, depth of dovetail b=2-3mm.

4. a kind of tobacco cutting machine as described in claim 1 positions limit for length's degree chopping knife assembly, it is characterised in that: the height Cutting edge (5) length H=70-90mm, low cutting edge (6) length h=30-50mm.