SU897415A1

SU897415A1 - Apparatus for separating section material

Info

Publication number: SU897415A1
Application number: SU772557129A
Authority: SU
Inventors: Владимир Петрович Мищенко; Виктор Яковлевич Мисочко; Евгений Антонович Скляров; Александр Филиппович Кочегура; Виктор Петрович Фоминичев; Владимир Михайлович Ермолинский
Original assignee: Азовский Завод Кузнечно-Прессового Оборудования
Priority date: 1977-12-14
Filing date: 1977-12-14
Publication date: 1982-01-15

Description

Изобретение относится к заготовительному производству кузнечно-прессовых цехов, а именно к устройствам для разделения профильного материала.The invention relates to the procurement of forging shops, and in particular to devices for separating core material.

Известно устройство для разделе- $ ния профильного материала на заготовки, содержащее станину и смонтированные на ней неподвижный режущий инструмент, подвижный режущий инет10 румент с приводом от основного силового цилиндра, прижим подаваемого в зону разделения материала, установленный с возможностью перемещения в направлении действия подвижного режущего инструмента, прижим отрезаемой заготовки, установленный с возможностью перемещения в направлении, противоположном перемещению прижима, подаваемого в зону разделения материала, при этом привод каждого из прижимов выполнен в виде.индивидуального силового цилиндра, а также основной источник рабочей жид2 кости, связанный магистралями с полостями силовых цилиндров и через управляемый клапан со сливом[1].A device is known for separating profile material into workpieces, comprising a bed and a fixed cutting tool mounted on it, a movable cutting tool with a drive from the main power cylinder, a clamp supplied to the material separation zone, mounted to move in the direction of action of the movable cutting tool , the clip of the workpiece being cut, installed with the ability to move in the opposite direction to the movement of the clip supplied to the material separation zone, at The drive of each of the clamps is made in the form of an individual power cylinder, as well as the main source of working fluid, connected by highways to the cavities of the power cylinders and through a controlled valve with a drain [1].

К недостаткам известного устройства относится невысокие производительность и качество получаемых заготовок .The disadvantages of the known device include the low productivity and quality of the resulting workpieces.

Цель изобретения - повышение производительности и качества получаемых заготовок.The purpose of the invention is to increase the productivity and quality of the resulting blanks.

Для достижения цели устройство снабжено дополнительным силовым цилиндром, поршневая и штоковая полос-. ти которого соединены со'сливом, а поршень кинематически связан с поршнем индивидуального силового прижимЬ отрезаемой заготовки, а также дополнительным источником рабочей жидкости, связанным с магистралью посредством' обратного клапана с поршневой полостью дополнительного силового цилиндра, при этом основной источник рабочей жидкости выполнен в виде газогидропреобразователя, га-To achieve the goal, the device is equipped with an additional power cylinder, piston and rod strips. which are connected with a drain, and the piston is kinematically connected with the piston of the individual power clamp of the workpiece being cut, as well as with an additional source of working fluid connected to the line via a check valve with the piston cavity of the additional power cylinder, while the main source of working fluid is made in the form of a gas converter , ha

89741 зовая полость которого снабжена камерой сгорания с соответствующими системами подачи горючего и воспламенения горючей газовой смеси, а гидравлическая полость связана ма- 5 гистралью через управляемый распределитель с дополнительным Источником рабочей жидкости для сжатия смеси газов перед воспламенением.89741 of which the cavity is equipped with a combustion chamber with appropriate systems for supplying fuel and igniting the combustible gas mixture, and the hydraulic cavity is connected via the main line through a controllable distributor with an additional source of working fluid to compress the gas mixture before ignition.

Кроме того, дополнительный источ- 10 ник рабочей жидкости может быть выполнен в виде гидравлического аккумулятора '.In addition, an additional source of working fluid can be made in the form of a hydraulic accumulator '.

На чертеже изображена схема предлагаемого устройства. <5The drawing shows a diagram of the proposed device. <5

Устройство для разделения профильного материала содержит станину 1, на которой закреплен неподвижный режущий инструмент 2. В станине ₂о 1 выполнен силовой цилиндр 3, на плунжере 4 которого установлен подвижный режущий инструмент 5. В плунжере 4 выполнен силовой цилиндр 6, на плунжере 7 которого установлен 25 прижим 8. На станине 1 выполнены также силовые цилиндры 9 и 10. На поршне I 1 силового цилиндра 9 установлен прижим 12, а шток 13 поршня 11 контактирует с поршнем 14 силового ,_пцилиндра 10. В корпусе силового цилиндра 10 выполнены окна 15 и 16. Окно 15 сообщает рабочую камеру силового цилиндра 10 со сливом, а через окно 16 и обратный клапан 17 эта камера сообщена с гидроаккумуляторомA device for separating profile material comprises a frame 1 on which a fixed cutting tool 2 is fixed. A power cylinder 3 is made in the frame ₂ about 1, a movable cutting tool 5 is mounted on the plunger 4. A power cylinder 6 is made on the plunger 4, on which the plunger 7 is mounted 25 clamp 8. On the frame 1, the power cylinders 9 and 10 are also made. On the piston I 1 of the power cylinder 9, the clamp 12 is installed, and the rod 13 of the piston 11 is in contact with the piston 14 of the power cylinder, _{n of the} cylinder 10. Windows 15 are made in the housing of the power cylinder 10 and 16. Window 15 messages a working chamber of the actuator 10 with drain and through the window 16 and the check valve 17, this chamber communicates with the accumulator

18. Рабочие камеры силовых цилиндров 3 и 6 сообщены магистралью 19 с рабочей камерой силового цилиндра 9, а магистралью 20 - с гидравлической полостью 21 газогидропреобразовате— ля А, поршень 22 которого разделяет гидравлическую полость 21 и газовую полость 23, к которой подключена камера сгорания 24,. Газовая полость 23 через подпружиненный управняемый клапан 25 сообщена с атмосферой. К управляемому электромагнитом двухпозиционному четырехлинейному распределителю 26 магистралью 27, подведена от непоказанного на схе- ⁵⁰,ме источника горючая газовая смесь. Одна из линий распределителя 26 соединена через обратный клапан 28 с камерой сгорания 24, вторая линия сообщена с управляющей полостью управ- ⁵ⁱляемого клапана 25, а третья сообщена с атмосферой. Гидравлическая по-, лость 21 газогидропреобразователя А > 418. The working chambers of the power cylinders 3 and 6 are connected by a line 19 with a working chamber of the power cylinder 9, and by a line 20 - with a hydraulic cavity 21 of the gas-hydraulic converter A, the piston 22 of which separates the hydraulic cavity 21 and the gas cavity 23 to which the combustion chamber 24 is connected ,. The gas cavity 23 through the spring-loaded controlled valve 25 is in communication with the atmosphere. A combustible gas mixture is connected to an electromagnetically controlled two-position four-line distributor 26 by a line 27, from a source not shown in Scheme ⁵⁰ , which is a source of fuel. One of the lines of the distributor 26 is connected through a check valve 28 with the combustion chamber 24, the second line communicates with the control chamber controlled ⁵ⁱ trolled valve 25, and the third communicates with the atmosphere. Hydraulic cavity, cavity 21 of gas-hydraulic converter A> 4

Сообщается через управляемый электромагнитом двухлинейный двухпозиционный распределитель 29 со сливом, а через обратный клапан 30 и управляемый электромагнитом Э -j двухлинейный двухпозиционный распределитель 31 подключена к аккумулятору 18.It is communicated through an electromagnetically controlled two-line on-off distributor 29 with a drain, and through a check valve 30 and an electromagnetically controlled E-j two-line on-off distributor 31 is connected to the battery 18.

После установки прутка 32 в зону резания, образованную режущим инструментом 5, неподвижным режущим инструментом 2 и прижимами 8 и 12, включаются электромагниты Э^и Э^. Якорь электромагнита Эперемещает золотник распределителя 26, чем подключает. камеру сгорания 24 к магистрали 27 и соединяет управляющую полость управляемого клапана 25 с атмосферой, при этом управляемый клапан 25 отсоединяет газовую полость 23 от атмосферы. Поступающая в камеру сгорания 24 горючая газовая смесь под давлением до 8 кг/см² перемещает поршень 22 газогидропреобразователя А, а вытесняемая поршнем 22 рабочая : жидкость из гидравлической полости поступает по магистралям 20 и 19 в рабочие камеры силовых цилиндров 3,6 и 9 и перемещает·, плунжера 4,7 и поршень 11 до момента, когда подвижный режущий инструмент 5 и прижим 12 упрутся в заготовку 33, а прижим 8 прижмет пруток 32 к неподвижному режущему инструменту 2. Поступающая в камеру сгорания 24 газовая смесь из-за аэродинамических путевых потерь подогревается до 80°С. После этого включается электромагнит , якорь которого перемещает золотник распределителя 31, чем подключает гидравлический аккумулятор, заряженный до давления 80 кгс/см², к гидравлической полости 21. Поступающая от гидравлического аккумулятора рабочая жидкость перемещает поршень 22 и сжимает газовую смесь в газовой полости 23 и камере сгорания 24 до давления 60 кгс/см², одновременно повышая ее температуру до температуры самовоспламенения горючей смеси. Сгорая, газовая смесь псА вышает давление в газовой полости 23 и камере сгорания 24 до давления 700 кгс/см , которое через поршень создает в гидравлической полости 21 и рабочих камерах силовых цилиндрой 3,6 и 9 такое же давление. Этим давлением плунжера 4,7 и поршень 1.1 создают усилия, достаточные дляAfter installing the rod 32 in the cutting zone formed by the cutting tool 5, the stationary cutting tool 2 and the clamps 8 and 12, the electromagnets E ^ and E ^ are turned on. Anchor of an electromagnet moves the spool of the distributor 26, than connects. the combustion chamber 24 to the highway 27 and connects the control cavity of the controlled valve 25 with the atmosphere, while the controlled valve 25 disconnects the gas cavity 23 from the atmosphere. The combustible gas mixture entering the combustion chamber 24 under pressure up to 8 kg / cm ² moves the piston 22 of the gas-hydraulic converter A, and the working one displaced by the piston 22: the fluid from the hydraulic cavity enters the working chambers of the power cylinders 3,6 and 9 through the lines 20 and 19 and moves ·, A plunger 4.7 and a piston 11 until the moment when the movable cutting tool 5 and the clamp 12 abut against the workpiece 33, and the clamp 8 presses the bar 32 against the stationary cutting tool 2. The gas mixture entering the combustion chamber 24 due to aerodynamic travel losses heating It reaches up to 80 ° С. After that, the electromagnet is switched on, the anchor of which moves the spool of the distributor 31, which connects the hydraulic accumulator charged to a pressure of 80 kgf / cm ² to the hydraulic cavity 21. The working fluid coming from the hydraulic accumulator moves the piston 22 and compresses the gas mixture in the gas cavity 23 and the chamber combustion 24 to a pressure of 60 kgf / cm ² , while increasing its temperature to the temperature of self-ignition of the combustible mixture. The combustible psA gas mixture exerts pressure in the gas cavity 23 and combustion chamber 24 to a pressure of 700 kgf / cm, which creates the same pressure through the piston in the hydraulic cavity 21 and the working chambers of the power cylinder 3.6 and 9. With this pressure, the plunger 4.7 and piston 1.1 create forces sufficient to

8974 отрезки заготовки 33, поддержки ее и{ для зажима прутка 32. После начала движения отрезаемой заготовки 33 совместно с плунжером 4 и поршнем 11 с помощью устройств, не показанных на 5 схеме, электромагниты и 9отключаются. После отделения заготовки 33 от прутка 32 шток 13 поршня II упирается в поршень 14 и перемещает его. * Перемещаясь, поршень 14 перекрывает 14 окно 15 и начинает вытеснять рабочую жидкость из камеры 10 через обратный клапан 17 в гидравлический аккумулятор 18. После зарядки аккумулятора I8 отключается электромап- 1^ нит Э^,и поступающая в управляющую полость управляемого клапана 26 газовая смесь открывает последний. При этом продукты сгорания из газовой полости 23 выбрасываются в ат- 2Й мосферу, а поршни 22, 11 и 25 и плунжера 4 и 7 возвращаются в исходное положение.8974 pieces of the workpiece 33, support it and {to clamp the bar 32. After the start of the movement of the cut workpiece 33 together with the plunger 4 and the piston 11 using devices not shown in figure 5, the electromagnets and 9 are turned off. After separating the workpiece 33 from the rod 32, the rod 13 of the piston II abuts against the piston 14 and moves it. * Moving, the piston 14 closes the window 14 14 and begins to displace the working fluid from the chamber 10 through the check valve 17 into the hydraulic accumulator 18. After charging the battery I8, the electromap 1 ^ nit E ^ is turned off, and the gas mixture entering the control cavity of the controlled valve 26 opens last. In this case, the combustion products from the gas cavity 23 are ejected into the 2nd atmosphere, and the pistons 22, 11 and 25 and the plunger 4 and 7 are returned to their original position.

Предлагаемое устройство обладает высокой производительностью, а полу·! ¹чаемые заготовки - высоким качеством.The proposed device has high performance, and the floor ·! ¹ blanks of high quality.

Claims

The invention relates to the pre-production of press-forging shops, namely, devices for the separation of the core material. A device for dividing a profile material into blanks is known, comprising a frame and a fixed cutting tool mounted thereon, a movable cutting tool, driven by a main cylinder, pressed into the separation zone of the material, mounted for movement in the direction of the movable cutting tool, cut off the workpiece, installed with the possibility of movement in the opposite direction to the movement of the clamp fed to the separation zone of the material, at this The drive of each of the clamps is made in the form of an individual power cylinder, as well as the main source of working fluid, connected by lines to the cavities of the power cylinders and through a control valve with a drain} I. The disadvantages of the known device are the low productivity and quality of the resulting blanks. The purpose of the invention is povapenie productivity and quality of the resulting blanks. To achieve the goal, the device is equipped with an additional power cylinder, piston and rod rod-. Which are connected by a casting, and the piston is kinematically connected with the piston of the individual power clamp of the cut-off workpiece, as well as an additional source of working fluid connected to the line through a non-return valve to the piston cavity of the additional power cylinder, while the main source of working fluid is made in the form of a gas-hydraulic converter, ha 389 the call cavity of which is equipped with a combustion chamber with the appropriate fuel supply systems and the ignition of the combustible gas mixture, and the hydraulic the cavity is connected by a line through a controlled distributor with an additional source of working fluid for compressing the mixture of gases before ignition. In addition, an additional source of working fluid can be made in the form of a hydraulic accumulator. The drawing shows a diagram of the proposed device. The device for separating the profile material contains a bed 1 on which a fixed cutting tool 2 is fixed. In the bed 1 there is a power cylinder 3, on the plunger 4 of which a movable cutting tool 5 is mounted. In the plunger 4 there is a power cylinder 6, on the plunder 7 of which a clamp 8 is mounted The power cylinders 9 and 10 are also made on frame 1. The piston I1 of the power cylinder 9 is clamped 12, and the piston rod 13 of the piston P is in contact with the piston 14 of the power cylinder 10. Windows 15 and 16 are made in the power cylinder body 10. Window 15 informs the working chamber of the power cylinder 10 with a drain, and through window 16 and the check valve 17 this chamber communicates with the hydraulic accumulator 18. The working chambers of the power cylinders 3 and 6 are connected by the line 19 to the working chamber of the power cylinder 9, and the line 20 by the hydraulic cavity 21 of the gas-hydraulic converter A, the piston 22 of which divides the hydraulic cavity 21 and the gas: the reservoir 23, to which the combustion chamber 24 is connected, the gas cavity 23 is connected with the atmosphere through a spring-loaded control valve 25. The two-position four-line distributor 26 controlled by an electromagnet 26 is connected to a combustible gas mixture not shown in the source diagram. One of the distribution lines of the 26 soybean scavenger through the check valve 28 s to the combustion 24, the second line is connected to the control cavity of the control valve 25, and a third to the atmosphere jHa. A hydraulic cavity 21 through oobschaets gazogidropreobraeovatel A controllable elektroagnitom bilinear dvuhpozitsinny 3 with drain valve 29, and Erez return valve 30 and controlled by an electromagnet 3 eGJy -j bilinear vuhpozitsionny connecting a valve 31 to a battery 18. After setting rod 32 ezani zone formed by the cutting tool 5, a fixed cutting tool 2 and clamps 8 and 12, on) electromagnets E. Electromagnet anchor E moves the valve of the distributor 26 than connects the combustion chamber 24 to line 27 and connects the control cavity of the control valve 25 to the atmosphere, and the control valve 25 disconnects the gas cavity 23 from the atmosphere. The gas mixture under pressure of up to 8 kg / cm moves the combustion gas 24 into the combustion chamber 24 and the piston 22 of the gas conversion unit A displaces it, and the working fluid displaced by the piston 22: fluid from the hydraulic cavity 21 flows through the main lines 20 and 19 into the working chambers of the cylinders 3.6 and 9 and moves-, the plunger 4.7 and the piston 11 until the moment when the movable cutting tool 5 and the clamp 12 are pressed into the workpiece 33, and the clamp 8 presses the rod 32 against the fixed cutting tool 2. The gas mixture flowing into the combustion chamber 24 due to aerodynamic travel losses under grevaets up. After that, an electromagnet E is turned on, the bark of which moves the spool of distributor 31, which connects the hydraulic accumulator charged to a pressure of 80 kgf / cm to the hydraulic cavity 21. The working fluid coming from the hydraulic accumulator moves the piston 22 and compresses the gas mixture in the gas cavity 23 and the combustion chamber 24 to a pressure of 60 kgf / cm, simultaneously increasing its temperature to the autoignition temperature of the combustible mixture. Combustion, the gas mixture increases the pressure in the gas cavity 23 and the combustion chamber to a pressure of 700 kgf / cm, which through the piston 22 creates the same pressure in the hydraulic cavity 21 and the working chambers of the force cylinders 3.6 and 9. This pressure of the plunger 4.7 and the piston 11 create forces sufficient to cut the workpiece 33, support it to clamp the bar 32. After the movement of the cut workpiece 33 with the localization of the clamp 4 and the piston 11, the electromagnets E and E are off. After the workpiece 3 is separated from the rod 32, the piston rod 13 of the piston II is pushed into the piston 14 and moved. Moving, the piston 14 closes the window 15 and begins to displace the working fluid from the chamber 10 through the operating valve 17 into the hydraulic accumulator 18. After charging the actuator 18, electric heater E is turned off and the controlled valve 26 goes to the control cavity. gas mixture opens the last. At the same time, the combustion products from the gas cavity 23 are ejected into the atmosphere, and the pistons 22, 11 and 25 and the plates 4 and 7 are returned to their original position. The proposed device has high performance, and the resulting workpiece - high quality. Claim 1. Device for dividing a profile material into blanks, comprising a frame and a fixed cutting tool mounted on it, a movable cutting tool driven by a main ram, pressed into the material separation zone, mounted with a possibility of displacement, or in the direction of the movable cutting direction his tool, the clamp of the cut-off workpiece, mounted with the possibility of movement in the direction opposite to the movement of the clamp fed to the separation zone material, while the drive of each of the clamps is made in the form of an individual power cylinder, as well as the main source of working fluid associated with ma-. a gistral from the cavity of a power cylinder and through a controlled valve with a drain, characterized in that, in order to increase productivity and Tsachestva, billets are obtained, it is equipped with an additional power cylinder, the piston and rod cavity of which is connected to the drain, and the piston is mathematically connected with the piston of an individual si “cylinder” prishshma cut off the workpiece, as well as an additional source of working fluid. connected by means of a check valve with a piston cavity of an additional power cylinder, the main source of working fluid made in the form of a gas-hydraulic converter, the gas cavity of which is equipped with a combustion chamber with appropriate fuel supply systems and the ignition of a combustible gas mixture, and the hydraulic cavity is connected to the main line through a controlled distributor with an additional source of working fluid for compressing the gas mixture before ignition.

2. The device according to claim 1, of which is an additional source of working fluid made in the form of a hydraulic monitor. Information sources. The considerations taken into account during the examination 1. German Patent No. Г402356, p. 49, p. 15/04, 1970.