SU946877A1

SU946877A1 - Apparatus for pressing out cylinder block sleeves

Info

Publication number: SU946877A1
Application number: SU803211753A
Authority: SU
Inventors: Моисей Вольфович Безпрозванный; Виктор Васильевич Явдак
Original assignee: Войсковая Часть 63630
Priority date: 1980-12-03
Filing date: 1980-12-03
Publication date: 1982-07-30

Description

Изобретение относится к механосборочному производству, в частности к оборудованию для разборки прессовых соединений, например, гильз из блока цилиндров V-образных двигателей.The invention relates to mechanical assembly production, in particular to equipment for disassembling press joints, for example, liners from a cylinder block of V-engines.

Известно устройство для выпрессовки деталей, типа втулок, содержащее выпрессовочный рабочий орган в виде силового цилиндра со штоком и установленный на штоке полой оправки с захватом, выполненным в виде подпружиненных в радиальном направлении кулачков с упорами [1].A device is known for extruding parts, such as bushings, containing a extruding working element in the form of a power cylinder with a rod and mounted on the rod of a hollow mandrel with a gripper made in the form of radially spring-loaded cams with stops [1].

Однако устройство не обеспечивает высокого качества выпрессовки, имеет низкую производительность, так как выпрессовывается одновременно только одна деталь.However, the device does not provide high quality extrusion, has a low productivity, since only one part is extruded at a time.

Цель изобретения - повышение качества выпрессовки.The purpose of the invention is to improve the quality of extrusion.

Указанная цель достигается за счет того, что устройство для вы2 прессовки гильз блока цилиндров, содержащее выпрессовочный рабочий орган в виде силового цилиндра со штоком и установленной на штоке полой оправки с захватом, выполненным в виде подпружиненных в радиальном направлении кулачков с упорами, снаб жено закрепленной на торце штока силового цилиндра подпружиненной от₎₀ носительно оправки головкой со сквоз· ным радиальным отверстием, оправка выполнена с центрирующим внутренним конусом на одном из торцов и установлена с возможностью осевого ₁₅ перемещения, при этом подпружиненные кулачки размещены в,Сквозном радиальном отверстии головки с возможностью осевого перемещения, один из упоров кулачков выполнен в виде 20 радиальных выступов для взаимодействия с выпрессовываемой гильзой, а другой - в виде конуса, взаимодействующего с внутренним конусом оправки.This goal is achieved due to the fact that the device for extruding cylinder liners containing a press-out working element in the form of a power cylinder with a rod and a hollow mandrel mounted on the rod with a gripper made in the form of radially spring-loaded cams with stops is equipped with the end face of the ram cylinder spring-loaded from _{) 0} relative to the mandrel with a head with a through radial hole, the mandrel is made with a centering inner cone at one of the ends and is installed with the possibility of axial movement ₁₅ , while the spring-loaded cams are placed in the through radial hole of the head with the possibility of axial movement, one of the cam stops is made in the form of 20 radial protrusions for interaction with the extruded sleeve, and the other in the form of a cone interacting with the inner cone of the mandrel.

взаимодействуюконусом 17 оправцилиндрической нав расточку кудополнительными выпрессовочрабочими органами, установленна основании по осям выпрессовв Hi и 15 выполне3I interact with the cone 17 of the right-cylindrical bore to work with additional press-out working bodies, the base is installed along the press-out axes in Hi and 15

С целью обеспечения выпрессовки одновременно нескольких гильз и повышения производительности оно снабжено ными ными ки.In order to ensure the extraction of several shells at the same time and to increase productivity, it is equipped with ni ki.

Кроме того, устройство снабжено установленными на основании между выпрессовочными рабочими органами центрирующим рольгангом с цилиндрическими роликами и механизмом фиксации в виде плоского упора с центри рующим пальцем для демонтируемого блока цилиндров, при этом цилиндрические ролики выполнены с кольцевыми упорами, расстояние между которыми равно ширине демонтируемого блока цилиндров.In addition, the device is equipped with a centering roller table with cylindrical rollers mounted on the base between the extrusion working bodies and a locking mechanism in the form of a flat stop with a centering finger for the cylinder block to be dismounted, while the cylindrical rollers are made with ring stops, the distance between which is equal to the width of the cylinder block to be disassembled .

чки 14 и 15 от угсмещения. Оправка отжатом состоянии ьные выпрессовочы, установленные на гидроприводом выимеется упорный фиг. 1 изображено устройство, вид; на фиг. 2 - то же, вид гается по цилинд7 до плоского упоюдольная ось блока 1ется с продольной центрирующий паверстие коренных :и штоков 4 силовых .лагаются по оси тиндров. Включив >дъем, вводят што5 и кулачками 14 и 9. При этом оправотжаты вниз до щулки 22, закреп4. Выступы 18 куаимодействуют с 1мая пружины 16, it кулачки в головща подъема штоков чков 14 и 15 вы| под действием 1ТЫВЭЮТ гильзы 19 Гидропривод перечне штоков 4. Приchki 14 and 15 from the offset. The mandrel of the pressed state, the press-outs installed on the hydraulic actuator, there is a persistent fig. 1 shows a device, view; in FIG. 2 - the same, it looks along the cylinder 7 until the flat axis of the block 1 is aligned with the longitudinal centering pore of the indigenous: and power rods 4 are laid along the axis of the tindra. Turning on> power switch, enter sht5 and cams 14 and 9. At the same time, they are pushed down to bobbin 22, fixed4. The protrusions 18 will work from the 1st of spring 16, it cams in the head of the lifting rods of the chucks 14 and 15 you | under the action of 1 TYPE sleeve 19 Hydraulic actuator rod list 4. When

946877 в виде конуса 20, щего с внутренним ки 5. Кулачок 14 ι правляющей входит лачка 15.946877 in the form of a cone 20, which is with the inner ki 5. Cam 14 ι of the governing enters the latch 15.

На наружной цилиндрической поверхности кулачке ны пазы, в которье входят штифты 21, установленные в теле головки 12 и удерживающие куле лового и осевого 5 удерживается в упорной втулкой 22. Устройство содержит дополнитег ные рабочие орган основании 1 по осям выпрессовки. Силовой цилиндр каждого выпрессовочного рабочего органа трубопроводами 23 и 24 связан с сокого давления, фланец 25. *On the outer cylindrical surface of the cam, there are grooves in which the pins 21 are mounted in the body of the head 12 and holding the shaft and axial 5 are held in the thrust sleeve 22. The device contains additional working bodies of the base 1 along the extrusion axes. The power cylinder of each press-out working body by pipelines 23 and 24 is connected with juice pressure, flange 25. *

Устройство длй выпрессовки гильз блока цилиндров работает следующим образом.A device for pressing cylinder liners works as follows.

Блок 10 цилиндров, гильзы которого подлежат выпрессовке, устанавливается в начале центрирующего рольганга 6 и продвн рическим роликам ра 8. При этом пр. цилиндров совмещу осью устройства, лец 9 входит в от подшипников, a oci цилиндров 3 распо. гильз блока 10 цн. гидропривод на по, ки 4 с оправками 15 внутрь гильз 1' ки 5 пружинами 11 упора в упорные es ленные на штоках лачков 14 и 15 во. гильзой 19, и СЖИ1 частично выдвигаю ку 12. В конце хо, 4 выступы 18 кула¹ходят из гильз 19 пружин 16 и захва для выпрессовки. I лючают на опускаш этом выступы 18 кулачков 14 и 15 взаимодействуют с и выпрессовывают линдров. Оправки зы 19 от перекоса конце выпрессовки раются в торец уги пружины 11 сжимаюThe cylinder block 10, the liners of which are to be pressed out, is installed at the beginning of the centering roller table 6 and the industrial rollers of RA 8. At the same time, I will align the other cylinders with the axis of the device, the face 9 enters from the bearings, and the oci of the cylinders 3 are located. liners of the block 10 TsN. hydraulic drive on the ki 4 with mandrels 15 inside the sleeves 1 'ki 5 by the springs 11 of the stop in the thrust es lined on the rods of the cams 14 and 15 in. sleeve 19, and SZHI1 partially extend ku 12. At the end of ho, 4 protrusions 18 of the kul ¹ go from the sleeve 19 of the springs 16 and the gripper for pressing out. I lower the protrusions 18 of the cams 14 and 15 to interact with and extrude the lindres. The mandrel PS 19 from skewing the end of the extrusion are squeezed into the end face of the spring 11 I compress

На общий в плане; на фиг. 3 “ разрез A-Λ на фиг.2; на фиг. 4 - головка в разрезе; на фиг. 5 ” вид по стрелке С на фиг. 4.On the general plan; in FIG. 3 "section A-Λ in figure 2; in FIG. 4 - sectional head; in FIG. 5 ”is a view along arrow C in FIG. 4.

Устройство содержит смонтированные на основании 1 с подставкой 2 выпрессовочный рабочий орган в виде силового цилиндра 3 со штоком 4 и установленной на штоке 4 поло$ оправки 5 с захватом, а также центрирующий рольганг 6 с' цилиндрическими роликами 7 и механизм Фиксации в виде плоского упора 8 с центрирующим пальцем 9 для демонтируемого блока 10 цилиндров. Цилиндрические ролики 7 выполнены с кольцевыми упорами, расстояние между которыми равно ширине демонтируемого блока 10 цилиндров. Захват выполнен в виде закрепленной на торце штока 4 силового цилиндра 3 подпружиненной относительно оправки 5 пружиной 11 головки 12 со сквозным радиальным отвер• стием 13 и кулачков 14 и 15 с упорами. При этом кулачки 14 и 15 подпружинены в радиальном направлении пружинами 16 и расположены в сквозном отверстии 13 головки 12 с возможностью осевого перемещения. Оп,равка 5 выполнена с центрирующим внутренним конусом 17 на одном из торцов и установлена на штоке 4 с возможностью осевого перемещения. Один из упоров кулачков 14 и 15 выполнен в виде радиальных выступов 18, взаимодействующих с выпрессовываемой гильзой 19, а другой 30 : торцами гильз 19 их из блока 10 ци5 удерживают гильI и заклинивания. В ι оправки 5 упиюрного фланца 25, .Тея, конус 20 ку55 лачков 1U и 15 взаимодействует с внутренним конусом 17 оправки 5» сжимают пружины 16, частично вдвигая кулачки 14 и 15 в головку 12, освобождая гильзы 19 от упоров захватов для снятия их с оправок 5 после удаления блока 10 цилиндров с рольганга 6.The device comprises a press-out working body mounted on the base 1 with a support 2 in the form of a power cylinder 3 with a rod 4 and a mandrel 5 with a grip mounted on the rod 4, as well as a centering roller table 6 with 'cylindrical rollers 7 and a locking mechanism in the form of a flat stop 8 with centering pin 9 for dismountable cylinder block 10. Cylindrical rollers 7 are made with annular stops, the distance between which is equal to the width of the dismountable block of 10 cylinders. The grip is made in the form of a power cylinder 3 fixed at the end of the rod 4 and spring-loaded relative to the mandrel 5 by a spring 11 of the head 12 with a through radial hole 13 and cams 14 and 15 with stops. In this case, the cams 14 and 15 are radially spring-loaded by springs 16 and are located in the through hole 13 of the head 12 with the possibility of axial movement. Op, equal 5 is made with a centering inner cone 17 at one of the ends and mounted on the rod 4 with the possibility of axial movement. One of the stops of the cams 14 and 15 is made in the form of radial protrusions 18, interacting with the extruded sleeve 19, and the other 30: the ends of the sleeves 19 of them from the block 10 qi5 hold the sleeve I and jamming. In ι of mandrel 5 of the uprush flange 25, the tee, cone 20 of ku55 of grooves 1U and 15 interacts with the inner cone 17 of mandrel 5 ”compresses the springs 16, partially pushing the cams 14 and 15 into the head 12, releasing the sleeve 19 from the stops of the grips to remove them from mandrels 5 after removing the cylinder block 10 from the roller table 6.

Устойчивость V-образного блока цилиндров от опрокидывания при выпрессовке гильз обеспечивается синхронным приводом движения штоков 4 силовых цилиндров 3 и центрирующим пальцем 9» обеспечивающим восприятие вращающегося момента в случае его возникновения.The stability of the V-shaped cylinder block from overturning when pressing the liners is provided by the synchronous drive of the movement of the rods 4 of the power cylinders 3 and a centering finger 9 "providing the perception of torque in case of its occurrence.

Предлагаемое устройство обладает высокой производительностью, так как одновременно за один рабочий цикл выпрессовывает все гильзы из блока, удобно в работе, особенно с. многорядными двигателями, у которых оси цилиндров расположены под углом (не требуется для каждого ряда ориентировать блок цилиндров).The proposed device has high performance, because at the same time in one working cycle it extrudes all the sleeves from the block, it is convenient to work, especially with. multi-row engines in which the axes of the cylinders are angled (it is not necessary to orient the cylinder block for each row).

Блок цилиндров, благодаря конструкции рольганга и механизма фиксации, автоматически ориентируется относительно силовых цилиндров и при этом надежно фиксируется без дополнительных приспособлений и затрат труда. Захват гильз и их освобождение для снятия с захватов проис ходят автоматически. При выпрессовке гильзы, благодаря наличию на штоке силового цилиндра оправки, исключаThe cylinder block, due to the construction of the roller table and the locking mechanism, is automatically oriented relative to the power cylinders and at the same time is securely fixed without additional devices and labor costs. The capture of liners and their release for removal from the seizures occur automatically. When pressing the sleeve, due to the presence on the rod of the power cylinder mandrel, excluding

946877 6 выпрессовочный рабочий орган в виде силового цилиндра со штоком и уста-, новленной на штоке полой оправки с захватом, выполненным в виде под5 пружиненных в радиальном направлении кулачков с упорами, отличающееся тем, что, с целью повышения качества выпрессовки, оно снабжено закрепленной на торце што10 ка силового цилиндра подпружиненной относительно оправки головкой со сквозным радиальным отверстием, оправка выполнена с центрирующим внут ренним конусом на одном из торцов 15 и установлена с возможностью осеволо перемещения, при этом подпружиненные кулачки размещены в сквозном радиальном отверстии головки с возможностью осевого перемещения, один 20 из упоров кулачков выполнен в виде радиальных выступов для взаимодействия с выпрессовываемой гильзой, а другой - в виде конуса, взаимодействующего с внутренним конусом оправки, 25 2. Устройство по п.1, о т л и чающееся тем, что, с целью обеспечения выпрессовки одновременно нескольких гильз и повышения производительности оно снабжено допол₃₀ нительными выпрессовочными рабочими органами, установленными на основании по осям выпрессовки.946877 6 vypressovochny working body in the form of a power cylinder with a rod and mounted on the rod of a hollow mandrel with a grip made in the form of under 5 radially spring-loaded cams with stops, characterized in that, in order to improve the quality of the extrusion, it is equipped with fixed the end of the rod 10 of the power cylinder with a spring-loaded head with a through radial hole, the mandrel is made with a centering inner cone at one of the ends 15 and is mounted with the possibility of axially moving, spring-loaded cams are placed in the through radial hole of the head with the possibility of axial movement, one 20 of the cam stops is made in the form of radial protrusions for interaction with the extruded sleeve, and the other in the form of a cone interacting with the inner cone of the mandrel, 25 2. The device according to claim 1 of l and m sistent in that, in order to ensure simultaneously several sleeves Extrusion and improved performance is provided with a complement ₃₀ tively vypressovochnymi working organs, established on the basis of the axes straightening ssovki.

3· Устройство по пп. 1 и 2 о тли .чающееся тем, что оно снабжено установленными на основании между выпрессовочными рабочими ется возможность перекашивания гильз, установленных на уплотняющих кольцах, и тем самым обеспечивается сохранность точных посадочных поверхностей в блоке цилиндров. Качество органами центрирующим рольгангом с цилиндрическими роликами и механизмом фиксации в виде плоского упора с центрирующим пальцем для демонтируемого блока цилиндров, при этом выполнения процесса выпрессовки зна цилиндрические ролики выполнены с чительно улучшается по сравнению с известными устройствами.3 · The device according to PP. 1 and 2 of aphids. Characterized in that it is provided with mounted on the base between the extrusion workers, it is possible to warp the sleeves mounted on the sealing rings, and thereby ensure the safety of accurate seating surfaces in the cylinder block. The quality of the bodies with a centering roller table with cylindrical rollers and a locking mechanism in the form of a flat stop with a centering pin for a cylinder block being disassembled, while the process of pressing out the cylindrical rollers is significantly improved in comparison with the known devices.

Claims

The invention relates to machine assembly, in particular, equipment for disassembling press joints, for example, liners from a cylinder block of V-shaped engines. A device for extruding parts, such as bushings, is known that contains an extruding tool in the form of a ram with a rod and mounted on a rod of a hollow mandrel with a gripper, made in the form of radially spring-loaded cams T. However, the device does not provide high quality vypressovki, It has low productivity, because only one part is pressed at a time. The purpose of the invention is popping the quality of the extrusion. This goal is achieved due to the fact that the device for pressing out the sleeves of the cylinder block, containing the pressing tool in the form of a power cylinder with a rod and a hollow mandrel mounted on the rod with a grip, made in the form of radially spring-loaded cams with stops, is attached to a rod mounted on the end the power cylinder is spring-loaded relative to the mandrel head with a through radial bore, the mandrel is made with a centering inner cone on one of the ends and is installed with the possibility axial movement, the spring-loaded jaws arranged in radial openings of the head with the possibility of axial movement, one of the stops the cam is in the form of radial projections for cooperation with the sleeve is extruded ,, and the other - as a cone interacting with the inner cone of the mandrel. in order to provide opringovka several liners simultaneously and increase productivity, it is sleeping with additional vypressovochnye working bodies, installed on the basis of the vypresso axes. In addition, the device is equipped with centering roller table with cylindrical rollers and fixation mechanism in the form of a flat stop with a centering finger for the cylinder block to be disassembled installed on the base between the pressing-out working bodies, the cylindrical rollers being made with annular stops, the distance between which is width / repaired engine block. FIG. 1 shows a general view of the device; in fig. 2 - the same plan view; in fig. 3 section a-L in figure 2; in fig. - head section; in fig. 5 is a view along arrow C in FIG. f. The device contains mounted on base 1 with stand 2 a press-out working body in the form of a ram 3 with rod k and a gripper 5 with a gripper mounted on the i-shaft i, as well as centering roller table 6 with cylindrical rollers 7 and the Fixation mechanism in the flat stop 8 with centering pin 9 for dismountable block of 10 cylinders. The cylindrical roller 7 is made with ring stops, the distance between which is equal to the width of the 10 cylinder to be dismantled. The gripper is made in the form of a spring 11 fixed on the end of the rod of the power cylinder 3 podrued relative to the mandrel 5 by the head 11 with a through radial orifice 13 and cams 1 and 15 with stops. In this case, the cams 1 and 15 under the spring are quinic in the radial direction by the springs 16 and are located in the through hole 13 of the head 12 with the possibility of axial movement. Op 5 is made with a centering inner cone 17 at one of the ends and is mounted on the rod with the possibility of axial movement. One of the stops of the cams 1 and 15 is made in the form of radial protuberances Yu interacting with the extruded sleeve 19, and the other In the form of a cone 20 interacting with the cone 17 of the Compressor with the inner 5. The cam 14 of the cylindrical guide enters the bore of the cam 15. On the outer cylindrical surface 1 t and 15, the cam surface enters the pins 21, the grooves in which the heads 12 are installed and installed in the pulleys and 15 from impeding the displacement of the coolants. The mandrel of the left and axial 5 is held in the pressed state 2. The device with a sleeve sleeve holds additional oypressovye working bodies installed on the base of the extrusion on the ground. The power cylinder of each press-out working body is connected by pipes 23 and 2 (a high-pressure hydraulic actuator has a stop flange 25. The device for pressing out sleeves works in the following cylinder block. The block of 10 cylinders, the sleeves of which are installed, are to be straightened at the beginning of the entrancing role of Gang B and moves along the cylinder7 to flat 8 rollers, with the free axis of the block with the longitudinal cylinders combining the axis of the device, the centering pin 9 enters the core and the 4 rods of the power bearings, and cylinders 3 are disposed along the axis of the sleeves of a block of 10 ts. \ lindrov. By turning on the hydraulic actuator for ni dyom, insert rods t with mandrels 5 and cams 14 and 15 inside the sleeves 9. At the same time the mandrels 5 springs down to the tulle 22 , fixing into thrust k. Protrusions 18 kulennye on the stocks of the stalls And and 15, in the action with the spring 16, sleeve 19, and the hedgehog partially cams in the holoak 12. At the end of the XC and the lifting of the stem C, the protrusions 18 of the cups And and 15 leaves the sleeves P under the action of 16 and seizes the sleeves 19 for pressing out. idle actuation of the overflows 4. When lowering they turn on the loops 14 and 15 of this, the protrusions 18 interact with the ends of the sleeves 19 and they are pressed out of the 10-unit 5 to hold the cylinders. The mandrels of the tongue 19 from skewing and jamming, i mandrel 5 at the end of the extrusion flange 25, go to the end of the spring 11, press the cone 20 of the cams I and 15, interact with the inner cone 17 of the mandrel 5, compress the springs 16, partially separate the cams 14 and 15 the head 12, releasing the liner 19 from the stops of the grippers to remove them from the mandrels 5 after removing the cylinder block 10 from the roller table 6, Stability of the / -shaped cylinder block from overturning when depressing the sleeves is provided by synchronous driving of the rods i of the power cylinders 3 and centering pin 9 m, providing rotating torque sensing in the event of occurrence. The proposed device possesses high performance, since at the same time, in one working cycle, all sleeves are pressed out of the block, it is convenient in operation, especially with multi-row engines, in which the axes of the cylinders are angled (it is not necessary to orient the block of cylinders for each row). The cylinder block, due to the construction of the roller table and the locking mechanism, is automatically oriented relative to the power cylinders and is thus securely fixed without additional accessories and labor costs. Capture of sleeves and their release for removal from the grips is carried out automatically. When pressing out the liner, due to the presence of the mandrel on the power cylinder rod, the possibility of warping the sleeve installed on the sealing rings is eliminated, and thus the exact seating surfaces in the cylinder block are preserved. The quality of the extrusion process is significantly improved compared to known devices. Claim 1. Device for pressing out sleeves of a block of cylinders, comprising pressing out a working body in the form of a power cylinder with a rod and a hollow mandrel mounted on the rod with a gripper made in the form of radially spring-loaded cams, with the aim of improving the quality vypressovki, it is equipped with a head mounted on the end of the rod of the power cylinder, which is spring-loaded relative to the mandrel with a through radial bore, the mandrel is made with the centering inner cone on the bottom of the ends and is installed with the possibility of axial movement, while the spring-loaded cams are placed in the through radial bore of the head with the possibility of axial reversing, one of the cam stops is made in the form of radial protrusions for interaction with the extruded sleeve, and the other is in the form of a cone interacting with onturn cone mandrel.

2. The device according to claim 1, about tl, which is often so that, in order to ensure the extrusion of several sleeves at the same time and increase productivity, it is equipped with additional extrusion working bodies installed on the basis of the extrusion axis.

3. The device according to paragraphs. 1 and 2 of the aphid, which is equipped with a centering roller table with cylindrical rollers and a fixing mechanism in the form of a flat stop with a centering finger for the block of cylinders to be disassembled installed on the base between the pressing working bodies, the cylindrical rollers with ring stops, distance between which is equal to the width of the block to be dismounted. Sources of information taken into account in the examination 1. USSR author's certificate W eyo-ftll, cl. 23 R 19/02, 1977 (prototype).

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