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切丝机刀门系统故障分析及排除
发布时间:2018-08-27 18:25:00 发布人:admin

SQ3系列切丝机在使用一个阶段后,刀门系统会出现一些问题,造成“烟丝宽度不合格”、“跑片”或“掉梗头”现象等故障,影响到丝(梗)的切制质量。作者通过多年的维修经验,对SQ3系列切丝机因“刀门磨合”而引起的故障进行总结、分析并提出解决办法。
After the SQ3 series cutting machine is used for a period of time, some problems will appear in the knife door system, which will cause "unqualified tobacco width", "running slice" or "falling stalk" and other failures, and affect the cutting quality of the wire (stalk). Through years of maintenance experience, the author summarizes, analyzes and puts forward solutions to the faults of SQ3 series wire cutter caused by "knife door running-in".
一、出现故障的情况有以下几点
First, there are the following points in case of failure.
1、在切丝设备中,如果各个间隙参数不符合标准要求(间隙过大或过小),上、下和侧刀门三者与刀辊的刀刃切削圆间隙测定参数不符合标准,就会造成“烟丝宽度不合格”。
1. In the cutting equipment, if the clearance parameters do not meet the standard requirements (clearance is too large or too small), the upper, lower and side door and the cutting edge of the knife roller cutting circular clearance measurement parameters do not meet the standard, it will cause "tobacco width is not qualified".
2、在切制过程中因刀门系统存在问题,就会造成“跑片”或“掉梗头”现象,影响切制质量,烟耗增加。
2. In the process of cutting, because of the problems of the knife door system, it will cause the phenomenon of "running off" or "falling off the stem", which will affect the quality of cutting and increase the smoke consumption.
3、上、下刀门座上的盖板与铜排链之间间隙不符合标准要求,铜排链与下刀门盖板间隙过大或过小,存在严重“卷料”问题或“挤刀门”现象。
3. The gap between the cover plate on the upper and lower knife door seat and the copper chain does not meet the standard requirements. The gap between the copper chain and the cover plate of the lower knife door is too large or too small, and there is a serious "rolling" problem or "extrusion door" phenomenon.
4、由于下刀门座固定不牢,造成打刀故障。
4, because the lower knife door seat is not fixed, causing knife failure.

切丝切片机
二、故障分析与排除
Two, failure analysis and troubleshooting
1、烟丝宽窄不匀
1. Uneven width of cut tobacco
1)刀口磨削不锋利,产生连刀现象。应检查刀片是否平齐,有无凹痕或钝刃现象,这就要检查是否存在进刀故障或砂轮进给问题。
1) knife edge grinding is not sharp, resulting in knife phenomenon. The blade should be checked for smoothness, indentation or blunt edge, which means that there are feeding faults or grinding wheel feeding problems.
2)个别切丝刀不进给或进刀偏斜,产生宽窄不匀烟丝。检查刀片磨削状态,如果发现刀的磨削面有烟垢或无亮面可断定该刀不进给,要用手摇进刀扳手进一步检查,判断若进刀机构出现问题的地方,以便进一步解决。
2) individual cutter does not feed or slant, resulting in uneven width of tobacco. Check the blade grinding state, if the grinding surface of the knife is found to have soot or no bright surface can be determined that the knife does not feed, to further check with the hand into the knife wrench, determine if there are problems in the feed mechanism, in order to further solve.
3)检查进刀是否偏斜,打开刀鼓,转动刀辊,逐刀进行检查,如果发现一侧有亮面,另一侧粘有烟垢,则应用手摇扳手进一步检查,以确认进刀是否偏斜。同时,应将左右两个半圆螺母放置平行,棘轮、蜗轮蜗杆配合要适合、可靠。
3) Check whether the feeding knife is skewed, open the drum, rotate the roller, check each knife by knife. If there is a bright surface on one side and smoke dirt on the other side, use the hand wrench to check further to confirm whether the feeding knife is skewed. At the same time, the left and right semicircular nuts should be placed in parallel, ratchet, worm gear and worm fit to be suitable and reliable.
2、刀门系统故障
2, knife door system failure
1)如果刀门条磨损严重,则会造成碎片掉下。应该立即更换刀门条,然后重新调整刀片与刀门间隙,达到轻微接触即可。
1) if the knife door wear is serious, it will cause debris to fall. The knife door should be changed immediately, then the gap between the blade and the knife door should be re adjusted to achieve slight contact.
2)压缩空气
2) compressed air
如果压缩空气压力过低,则会造成原料在刀门处压的不坚实。调整刀门压力调节阀,右旋手轮,调高刀门压力达到标准值。
If the compressed air pressure is too low, it will cause the raw material not to be firmly pressed at the knife door. Adjust the pressure control valve of the knife door, the right hand wheel, and raise the pressure of the knife door to the standard value.
3)刀片与刀门间隙过大。
3) the gap between blade and knife door is too large.
如果检查刀门完好,则需要检查刀门间隙是否合理。将磨刀金刚石高度稍微调高就可以使刀片伸长,通过微调,将刀门间隙调整到标准范围内。
If you check the knife door intact, you need to check whether the gap is reasonable. The blade can be elongated by slightly raising the diamond height of the grinding tool, and the clearance of the tool door can be adjusted to the standard range by slightly adjusting.
3、出现“跑片”或“掉梗头”现象
3, the appearance of "running piece" or "falling head" phenomenon
1)刀门之间装配不协调。如果刀门系统安装存在问题,就应尽快修复、调整。我厂所用的SQ3系列的标准间隙为:下刀门与刀刃切削圆之间的间隙为0.03—0.1mm,侧刀门与刀刃切削圆之间的间隙为0.03—0.06mm,上刀门与刀刃切削圆之间的间隙为0.6—0.8mm,机型不同,标准会有区别,应根据所用设备而定。如果间隙不符要求,应反复调整,检验是否达到标准,简单的方法就是进行“贴纸试验”。
1) disassembly between knife doors. If there is a problem in the installation of the cutter door system, it should be repaired and adjusted as soon as possible. The standard clearance of SQ3 series used by our factory is: the clearance between the lower tool door and the cutting circle is 0.03-0.1 mm, the clearance between the side tool door and the cutting circle is 0.03-0.06 mm, and the clearance between the upper tool door and the cutting circle is 0.6-0.8 mm. The standard will be different according to the equipment used. If the clearance does not meet the requirements, it should be adjusted repeatedly to check whether it meets the standards, the simple method is to carry out "sticker test".
2)刀刃不齐或有缺口。若换刀或刀辊组件重新组装后,刀片可能伸出长度不一致,或者是刀片的刀刃有缺口,在切制当中就会出现“跑片”或“掉梗头”现象,应仔细检查,并更换新刀或重新调整刀片,使全部刀片伸出长度保持一致。
2) uneven or notched edges. If the blade is not uniform or the blade edge is notched after replacing the blade or reassembling the roll assembly, the phenomenon of "running blade" or "falling stalk" will occur during the cutting process. Careful inspection should be carried out and a new blade should be replaced or the blade should be reassembled so as to keep the length of all blades in line.
3)进料不匀。物料流量不均匀是影响切丝的一个很重要的因素,流量太大易造成刀门超高,超高后刀辊会自动停止,在倒料或重新启动后,刀门口处就会出现不合格烟丝;而来料太少,所形成的“烟饼”不实,厚度不一,也会造成“跑片”或“掉梗头”现象。因此,在切丝前应增加匀料装置,保证来料流量均衡;同时,要检查压实器推压情况,出现问题要及时调整或修复。
3) feed unevenness. Non-uniform material flow is an important factor affecting cutting, too much flow easily causes the knife door to be super-high, the super-high back knife roll will automatically stop, in the feeding or restart, the knife door will appear unqualified tobacco; too little material, resulting in the formation of the "cigarette cake" is not solid, the thickness is not the same, will also cause "running sheet" Or "falling head" phenomenon. Therefore, it is necessary to add a leveling device before cutting to ensure a balanced flow of incoming material; at the same time, it is necessary to check the pushing and pressing situation of the compactor, and adjust or repair the problems in time.
切丝质量的好坏,刀门之间的装配和“间隙”至关重要,在生产和维修中一定要及时总结经验,并形成教学案例,以牢固掌握问题的处理方法,给后来者一个学习的借鉴。
The quality of cutting wire, the assembly between the knife door and the "gap" is very important, in the production and maintenance must be timely summarized experience, and form a teaching case, to firmly grasp the problem of handling methods, for later generations to learn from.
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