SU837599A1

SU837599A1 - Apparatus for monitoring cutting tool integrity

Info

Publication number: SU837599A1
Application number: SU792851556A
Authority: SU
Inventors: Иван Прокопьевич Колозенко
Original assignee: Предприятие П/Я Х-5946
Priority date: 1979-09-21
Filing date: 1979-09-21
Publication date: 1981-06-15

Description

Изобретение относится к станкостроению и предназначено Для контроля целостности режущего инструмента на станках и автоматических линиях и может быть использовано на маши ностроительных заводах.The invention relates to machine tools and is intended to control the integrity of the cutting tool on machine tools and automatic lines and can be used in machine-building plants.

Известно устройство для контроля целостности режущих инструментов, содержащее расположенные в корпусе кондукторной плиты щупы в виде неуравновешенных рычагов, периодически взаимодействующих с упорами, закрепленными на кондукторной плите, и установленных с возможностью поворота на подвижной скалке, снабженной упорными лысками и контактирующей при работе с подпружиненным копиром, связанным с чувствительным датчиком(4).A device for monitoring the integrity of cutting tools, containing located in the housing of the conductive plate probes in the form of unbalanced levers, periodically interacting with the stops fixed on the conductor plate, and mounted with the possibility of rotation on a rolling pin equipped with stubborn flats and in contact when working with a spring-loaded copier, associated with a sensitive sensor (4).

Недостаток этого устройства заключается в низкой производительности, так как затрачивается дополнительное машинное время на подъем скалки относительно копира на высоту, равную половине диаметра копира, и контроль целостности режущего инструмента производится при полностью выведенном с кондукторной втулки режущем инструменте. Кроме того, при наличиии большого количества инструментов, расположенных не на одной прямой, и небольшого расстояния между ними, данное устройство невозможно применять из-за сложности и громоздкости конструкции.Возможность попадания стружки в зону между кривизной рычага и концом упорного винта может привести к заклиниванию устройства, что значительно снижает надежность его работы.The disadvantage of this device is its low productivity, since it takes additional machine time to raise the rolling pin relative to the copier to a height equal to half the diameter of the copier, and the integrity of the cutting tool is controlled when the cutting tool is completely removed from the conductor sleeve. In addition, if there are a large number of tools located on more than one straight line and a small distance between them, this device cannot be used due to the complexity and cumbersome design. The possibility of chips falling into the area between the curvature of the lever and the end of the stop screw can jam the device , which significantly reduces the reliability of its work.

Цель изобретения - повышение производительности и упрощение конструкции устройства.The purpose of the invention is to increase productivity and simplify the design of the device.

Поставленная цель достигается тем, что устройство снабжено фигурной вилкой, имеющей форму копира и контактирующей с ползуном , снабженным пазами, в которые входят пальцы свободного перемещающегося и подпружиненного относительно стенки паза щупа, рабочий выступ которого подводится к инструменту со стороны нижнего торца направляющей втулки. Щупы снабжены упорами, связанными с чувствительным датчиком.This goal is achieved by the fact that the device is equipped with a figured fork, having the form of a copier and in contact with a slider equipped with grooves, which include the fingers of the probe moving freely and spring-loaded relative to the groove wall, the working protrusion of which is brought to the tool from the side of the lower end of the guide sleeve. The probes are equipped with stops associated with a sensitive sensor.

На фиг.1 изображено устройство, общий вид; на фиг. 2 - разрез А-А на фиг. 1; на фиг. 3 - разрез Б-Б на фиг. 1.Figure 1 shows the device, a General view; in FIG. 2 is a section AA in FIG. 1; in FIG. 3 - section BB in FIG. 1.

Устройство содержит кондукторную , плиту 1 с установленным на ней ре3 зервуаром 2, в направляющие пазы которого, расположенные на его боковых сторонах, входят ветви имеющей форму копира фигурной вилки 4, .жестко закрепленной на хвостовике плунжера 5, связанного посредством рычага 6 со штоком 7 привода 8 и < снабженного пружиной 9 для возврата ‘ в исходное положение, выступа ползуна 10, прижимаемого к ветви вилки пружиной 11 и снабженного пазами 12, в которые входят пальцы 13 свободно перемещающегося, подпружиненного пружиной 14 относительно Отенки паза 12 щупа 15, рабочий выступ · 16 которого входит в отверстие распо’ ложенной в кондукторной плите 1 направляющей втулки 17, предназначенной для размещения режущего инструмента, частично перекрывая отверстие упора 18, установленного на корпусе щупа 15 и связанного с конеч- 20 ным выключателем 19, кожух 20, служащий для предотвращения попадания смазочно-охлаждающей жидкости на систему отвода щупа.The device comprises a conductor plate 1 with a reservoir 2 mounted on it, into the guide grooves of which are located on its lateral sides and include copier-shaped branches of a figured fork 4, rigidly fixed on the shank of the plunger 5, connected by a lever 6 to the actuator rod 7 8 and <equipped with a spring 9 to return 'to its original position, the protrusion of the slider 10, pressed against the fork branch by a spring 11 and provided with grooves 12, which include fingers 13 of a freely moving, spring-loaded spring 14 relative to Otenki p for 12 probes 15, the working protrusion · 16 of which enters the hole of the guide sleeve 17 located in the conductive plate 1, designed to accommodate the cutting tool, partially blocking the hole of the stop 18 mounted on the probe body 15 and connected to the final switch 19 , a casing 20, which serves to prevent the ingress of cutting fluid onto the dipstick system.

Устройство работает следующим образом.The device operates as follows.

В момент команда на вращение и подачу режущего, инструмента, находящегося в исходном положении в направляющих втулках 17, включается привод 8, шток 7 которого, воздействуя на рычаг 6, перемещает плунжер 5. При этом вилка 4, жестко закрепленная на плунжере 5, перемещается в пазах 3 резервуара 2, воздействуя на выступ ползуна 10 и перемещая его в сторону сжатия пружины 11. Боковая поверхность паза 12 ползуна 10, действуя на палец 13 щупа 15, отводит его рабочий выступ . 16 от режущего инструмента, давая ему свободно проходить в рабочую эону.После возвращения режущего инструмента в исходное положение привод 8 плунжера 5 обеспечивается, и плунжер 5 под действием пружины 9 возвращается в исходное положение, * 15At the moment, the command to rotate and feed the cutting tool, which is in the initial position in the guide bushings 17, activates the actuator 8, the rod 7 of which, acting on the lever 6, moves the plunger 5. In this case, the fork 4, rigidly fixed to the plunger 5, moves to grooves 3 of the tank 2, acting on the protrusion of the slider 10 and moving it in the direction of compression of the spring 11. The lateral surface of the groove 12 of the slider 10, acting on the finger 13 of the probe 15, diverts its working protrusion. 16 from the cutting tool, allowing it to freely pass into the working aeon. After the cutting tool returns to its original position, the drive 8 of the plunger 5 is provided, and the plunger 5 is returned to its original position by the action of the spring 9, * 15

4б при этом выступ ползуна 10 скользит по наклонной поверхности ветви вилки 4 и под действием пружины 11 возвращается в исходное положение. Рабочий выступ 16 щупа 15 встречает на . пути к исходному положению режущий ' инструмент и останавливается. Упор 18, установленный на корпусе щупа 15, не доходит до конечного выключателя 19, цепь питания станка не прерывается и цикл повторяется.4b, the protrusion of the slider 10 slides along the inclined surface of the fork 4 branch and, under the action of the spring 11, returns to its original position. The working protrusion 16 of the probe 15 meets on. way to the starting position the cutting tool and stops. The stop 18, mounted on the body of the probe 15, does not reach the limit switch 19, the power supply circuit of the machine is not interrupted and the cycle repeats.

¹ В случае поломки или отсутствия режущего инструмента рабочий выступ 16 щупа 15, перемещаясь в исходное положение, не встречает на своем пути режущего инструмента и продолi жает перемещаться до тех пор, пока упор 18 не нажмет на конечный выключатель 19.) разрывая цепь питания станка. Цикл прерывается до устранения неполадок. ¹ In the event of a breakage or absence of the cutting tool, the working protrusion 16 of the probe 15, moving to its original position, does not meet the cutting tool in its path and continues to move until the stop 18 presses the limit switch 19.) breaking the power supply circuit of the machine. The cycle is interrupted until troubleshooting.

Claims

The invention relates to a machine tool industry and is intended to monitor the integrity of the cutting tool on machine tools and automatic lines and can be used in machine building plants. A device for controlling the integrity of cutting tools is known, which contains probes in the form of unbalanced levers arranged in the housing of the conductor plate, periodically interacting with the stops attached to the conductor plate and installed with the possibility of being rotated on a movable rolling pin, fitted with flats and in contact with spring loaded A copier is connected with a sensitive sensor. A disadvantage of this device is a poor performance, as additional machine is spent time to rise relative to the copier rolling pin to a height equal to half the diameter of the copier con trol and integrity of the cutting tool is produced with fully extracted with the cutting tool of conductor sleeve. In addition, if there are a large number of tools that are not located on one straight line and a small distance between them, this device cannot be used due to the complexity and bulkiness of the structure. The possibility of chips falling in the zone between the curvature of the lever and the end of the stop screw can lead to wedging the device, which significantly reduces the reliability of its work. The purpose of the invention is to increase productivity and simplify the design of the device. The goal is achieved by the fact that the device is equipped with a shaped fork, having a copier shape and in contact with a slider, provided with grooves that include fingers of a free movement and spring-loaded with respect to the groove of the probe, the working protrusion of which leads to the tool from the lower end of the guide bush. Probes are fitted with stops associated with a sensitive sensor. Figure 1 shows the device, a general view; in fig. 2 shows section A-A in FIG. one; in fig. 3 shows a section BB in FIG. 1. The device comprises a conductor plate 1 with a reservoir 2 installed on it, into which guide slots 3, located on its sides, include branches of a copier shaped forked figure 4. rigidly mounted on the shank of the plunger 5, connected by means of the lever 6 to the rod 7 of the actuator 8 and fitted with a spring 9 for returning to the initial position, the protrusion of the slide 10 pressed to the branch of the fork 4 by the spring 11 and provided with grooves 12, into which the fingers 13 freely moving spring 14 relative to the wall of the groove 12 of the probe 15, the working protrusion 16 of which fits into the hole of the guide sleeve 17 in the hole in the conductor plate 1, designed to accommodate the cutting tool, partially blocking the hole a stop 18 mounted on the body of the probe 15 and associated with the horse switch 19, the housing 20, which serves to prevent coolant from entering the probe retraction system. The device works as follows. At the moment, the commands to rotate and feed the cutting tool in the initial position in the guide sleeves 17 turn on the actuator 8, the rod 7 of which, acting on the lever 6, moves the plunger 5. With the fork 4 fixed on the plunger 5, it moves in the tongs 3 of the tank 2, the protrusion of the slider 10 and moving it in the direction of compression of the spring 11. The side surface of the groove 12 of the slider 10, acting on the finger 13 of the probe 15, "removes its working ledge 16 from the cutting tool, allowing it to pass freely working area. After returning By bringing the tool back to the initial position, the actuator 8 of the plunger 5 is provided and the plunger 5 returns to the initial position by the action of a spring. wherein the protrusion of the slider 10 slides along the inclined surface of the branch of the fork 4 and returns to its original position under the action of the spring 11. The working protrusion 16 of the probe 15 encounters the cutting tool on its way to its initial position and stops. The stop 18 mounted on the body of the probe 15 does not reach the limit switch 19, the power supply of the machine is not interrupted and the cycle repeats. In case of a cutting tool failure or absence, the working lug 16 of the probe 15, moving to the initial position, does not meet the cutting tool in its path and continues to move until the stop 18 presses the limit switch 19, breaking the power supply circuit of the machine. The loop is interrupted before troubleshooting. An apparatus for monitoring the integrity of a cutting tool, comprising finger probes located on a conductor plate with guide sleeves, a copier and a sensitive sensor, characterized in that, in order to simplify the design and increase productivity, the device is provided with a groove c in which the inlet The fingers are freely movable, spring-loaded with respect to the groove wall and provided with an abutment and connected with a sensitive sensor. A probe intended to be supplied with its working protrusion when inspecting an instrument from the strut of the lower end of the guide bush, the copier being made in the form of a figured plug cooperating with a slide. Sources of information taken into account in the examination 1. USSR author's certificate 611735, cl. B 23 B 49/00, 1976.