WO2019183689A1 - Press unit - Google Patents

Press unit Download PDF

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Publication number
WO2019183689A1
WO2019183689A1 PCT/BR2018/000019 BR2018000019W WO2019183689A1 WO 2019183689 A1 WO2019183689 A1 WO 2019183689A1 BR 2018000019 W BR2018000019 W BR 2018000019W WO 2019183689 A1 WO2019183689 A1 WO 2019183689A1
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WO
WIPO (PCT)
Prior art keywords
pressing unit
unit according
press
assembly
head
Prior art date
Application number
PCT/BR2018/000019
Other languages
French (fr)
Portuguese (pt)
Inventor
Edson Nicassio Aluizio DOS SANTOS
Original Assignee
Dos Santos Edson Nicassio Aluizio
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Dos Santos Edson Nicassio Aluizio filed Critical Dos Santos Edson Nicassio Aluizio
Priority to PCT/BR2018/000019 priority Critical patent/WO2019183689A1/en
Publication of WO2019183689A1 publication Critical patent/WO2019183689A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00Forging presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00Forging presses
    • B21J9/10Drives for forging presses
    • B21J9/12Drives for forging presses operated by hydraulic or liquid pressure

Definitions

  • the present invention relates to a press unit with integrated press cylinder.
  • the cylinder integrated in the press unit enables simplified operation with regard to the use of external hydraulic units, pipes, fittings and other hydraulic installations.
  • Pressing processes have developed significantly thanks to the automation of such processes, allowing for more accurate and scaling operations. These automation processes have provided greater production efficiency and precision at the expense of a larger and more complex trimming structure.
  • pressing operations are carried out in different industries safely from the point of view of operator protection and at higher speeds with minimal losses.
  • the energy cost is high and the functionality of the machines is achieved with a larger dimensioning.
  • patent document PI9203875 reference is made to an injection molding machine comprising a machine frame, an injection assembly coupled with the frame, a press assembly also coupled with the frame, a mold assembly assembly coupled with the assembly. and a mold holder assembly secured to the press assembly by the mold assembly.
  • the mold holder assembly includes first and second mold holder units that define a mold cavity when they are placed in a closed condition.
  • the mold holder assembly additionally includes alignment members which ensure correct alignment between the first and second mold holder units when a condition is closed, the first mold holder unit includes an injection assembly for engagement with the injection assembly.
  • the mold mounting assembly includes first and second mold mounting devices, securing the first and second mold holder units, respectively, to the press assembly.
  • the ground mounting assembly additionally includes a sensor which indicates the correct alignment of the mold holder assembly in relation to the press assembly the press assembly moves the first and second mold holder units between a closed condition and an open condition in which they are located. mutually separated the displacement of the first milling unit by the press assembly engages the unit with the injection assembly.
  • Patent document PI9304305 refers to an electrically operated hydraulic press suitable for the production of lime and / or cement stabilized ground-based bricks, with the aim of reducing the cost of building popular housing and community equipment. capacity for production above 5,000 bricks per day, and suitable for installation in medium-sized production units, characterized by its upper (01) and lower (03) beams, support columns (02), support bases ( 07), actuator mounting plates (05) and mounting plates (06), die support beams and base (04) (10), movable die (18) and three linear hydraulic actuators, one pressing (32) and two demolition (31) coupled to a hydraulic unit. The compaction pressure on the face of each brick is generated by the force transmitted by the hydraulic actuator.
  • the pressing is started by moving the support (34), fixed die (35), movable cover (36) and linear hydraulic actuator (52) coupled to a hydraulic unit from above.
  • pressing is initiated by actuating the hydraulic control (50) by moving the compaction assembly upwards from below. until the maximum working pressure is reached, then the opening of the movable cover (36) occurs and the bricks are expelled through the actuation of the hydraulic actuator, which thus completes its course.
  • Patent document PI 0403811 relates to a pressing unit comprising an interdependent pressure rail (4) minus two parallel rods (2) mounted slidingly between two end positions via a horizontal upper support (1) , through a connecting means (3), an elastic compression means (8) being disposed between said support (1) and said pressure rail (4) to probably keep the latter in its most widely spaced position from said horizontal upper support (1), defined by interdependent stops (9) of said rods (2).
  • Said connecting means (3) comprises a support surface (3f) against the upper side of said upper support (1) and at least two deformable jaws (3a) symmetrically arranged in relation to the longitudinal geometric axis of said passage (3d). ), said jaws (3a) traversing two relative passages (1b) of said support (1) and each comprising a support surface (3b) against the lower surface of said support (1).
  • PI 0710220 refers to a lower-acting single-acting lower drive press capable of saving energy, saving space, and performing well-balanced high-precision conformability.
  • a press is provided capable of shortening a forming stroke, reducing overall readiness, accurately correcting the deflection of the slider or dies with the aim of optimizing the adhesion of the dies to a workpiece, and performing pressure equalization of a retainer.
  • undulating a lower drive press includes a forming press unit which in turn includes a lower die located at the bottom of an undulating ring retainer fixedly disposed on a bed, and a drive mechanism disposed within the bed to lift or lower a slider supporting the lower die, a slider raised or lowered by a drive mechanism loaded on the side of a crown, a die holding press assembly incorporating an upper die provided with a fastening part of a workpiece in cooperation with the curl retainer at its peripheral edge, and a device applying a gripping force Measuring the upper die behind after the last slider stage of the die holding press unit and the upper die for improvements in forming accuracy.
  • Figure 1 illustrates a longitudinal section view of the pressing unit of the present invention
  • Figure 2 illustrates a longitudinal section view of the fender motor mount of the present invention
  • Figure 3 illustrates a longitudinal section view of the movable cylinder head of the present invention.
  • the pressing unit comprises a movable cylinder head (1), a sinker platform (2), a pump piston (3), a movable cylinder portion (4), a fixed cylinder portion (5), a trim cap portion (6), an axle portion (7), gear means (8, 9), a pump cap (10), an axle bushing (11) and a motor support (12) shown in Figure 2.
  • the pressing unit comprises a plunger diameter of about 185mm, for working stroke up to 160mm.
  • the maximum operating pressure of the pressing unit comprises about 340 bar and a set of return units (not shown) for restoring the pressing unit to the end of an operating cycle.
  • THE pressing unit operates with a motor provided under a motor flange ( Figure 2) which comprises a 15CV electric motor and 352.0 rpm controlled by an solenoid valve.
  • the preferred pump of the present invention comprises a flow rate of 7.85 cm 3 / rotation and a torque of 4.88N, m.
  • the plunger head (1) comprises a recess assembly (13), fasteners (14) and a head projection (15) on a plate (16); the head projection still has an annular segmentation (17).
  • the engine drives an axis parallel to the rod that drives an oil pump which is located inside the piston; which pumps the fluid from the upper side to the lower side of the system causing the cup (movable cylinder) to advance, thereby realizing the pressing effort.
  • the system can be modified to operate in other positions such as horizontal.
  • the advantage of the invention is to dispense with external hydraulic units, pipes, fittings and other hydraulic accessories; and the system is automated, that is, both the cylinder and the electrovalve are controlled by logical unit.

Abstract

The present invention relates to a press unit with integrated press cylinder. The cylinder integrated into the press unit allows simplified operation in terms of the use of external hydraulic units, pipe connections and other hydraulic installations.

Description

UNIDADE DE PRENSAGEM  PRESSING UNIT
A presente invenção refere-se a uma unidade de prensagem com cilindro de prensagem integrado. O cilindro integrado à unidade de prensagem possibilita uma operação simplificada no que tange ao emprego de unidades hidráulicas externas, tubulações, conexões e outras instalações hidráulicas.  The present invention relates to a press unit with integrated press cylinder. The cylinder integrated in the press unit enables simplified operation with regard to the use of external hydraulic units, pipes, fittings and other hydraulic installations.
ANTECEDENTES DA INVENÇÃO  BACKGROUND OF THE INVENTION
Processos de prensagem têm se desenvolvido significativamente graças a automação de tais processos, permitindo a execução de operações mais precisas e de maior escaia. Estes processos de automação têm proporcionado uma eficiência maior de produção e de precisão, a custa de uma estrutura de apareihamento maior e mais complexa. Atualmente, as operações de prensagem são realizadas nas diferentes indústrias de maneira segura, do ponto de vista da proteção do operador e em velocidades maiores com perdas mínimas. Por outro lado, o custo energético é alto e a funcionalidade das máquinas é conseguida com um dimensionamento de maior compiexidade.  Pressing processes have developed significantly thanks to the automation of such processes, allowing for more accurate and scaling operations. These automation processes have provided greater production efficiency and precision at the expense of a larger and more complex trimming structure. Nowadays, pressing operations are carried out in different industries safely from the point of view of operator protection and at higher speeds with minimal losses. On the other hand, the energy cost is high and the functionality of the machines is achieved with a larger dimensioning.
Nota-se no estado da técnica uma série de desenvolvimentos neste sentido, mas nâo se verificam esforços no sentido de meihor dimensionar e operacionaiizar a prensagem, porém os projetos mais reduzidos em escaia acabam por perder capacidade operacional, ou seja, não atingem os padrões de eficiência de operação, precisão e aproveitamento já atingidos em escalas maiores; por outro lado, a automação tem barateado o custo de operação em vista da eficiência operacional, mas isto significa um custo maior relativo a energia e espaço ocupado, por exemplo:  There are a number of developments in the art in the art, but there are no efforts to better size and operation the press, but smaller projects on the slope end up losing operating capacity, ie do not meet the standards of operating efficiency, accuracy and performance already achieved on larger scales; On the other hand, automation has reduced the cost of operation in view of operational efficiency, but this means a higher cost related to energy and space occupied, for example:
No documento de patente PI9203875 é feito referência a uma maquina de moldagem por injeção compreendendo uma armação de maquina, um conjunto de injeção acoplado com a armação, um conjunto de prensagem também acoplado com a armação, um conjunto de montagem de molde acopiado com o conjunto de prensagem, e um conjunto porta-molde fixado ao conjunto de prensagem peio conjunto de montagem de molde. O conjunto porta- molde incluí primeira e segunda unidades porta-molde que definem uma cavidade de molde quando são colocadas em uma condição fechada. Q conjunto porta-molde adicionalmente inclui membros de alinhamento que asseguram o correto alinhamento entre as primeira e segunda unidades porta-molde quando uma condição fechada, a primeira unidade porta- molde inclui um conjunto de injeção para engate com o conjunto de injeção. O conjunto de montagem de molde inclui primeiro e segundo dispositivos de montagem de molde, fixando as primeira e segunda unidades porta-molde, respectivamente, ao conjunto de prensagem. o conjunto de montagem de moide adicionalmente incluí um sensor que indica o correto alinhamento do conjunto porta-molde em reiação ao conjunto de prensagem o conjunto de prensagem desloca as primeira e segunda unidades porta-molde entre uma condição fechada e uma condição aberta na qual estão mutuamente separadas o deslocamento da primeira unidade porta-moída peio conjunto de prensagem engata a unidade com o conjunto de injeção. In patent document PI9203875 reference is made to an injection molding machine comprising a machine frame, an injection assembly coupled with the frame, a press assembly also coupled with the frame, a mold assembly assembly coupled with the assembly. and a mold holder assembly secured to the press assembly by the mold assembly. The mold holder assembly includes first and second mold holder units that define a mold cavity when they are placed in a closed condition. Q The mold holder assembly additionally includes alignment members which ensure correct alignment between the first and second mold holder units when a condition is closed, the first mold holder unit includes an injection assembly for engagement with the injection assembly. The mold mounting assembly includes first and second mold mounting devices, securing the first and second mold holder units, respectively, to the press assembly. the ground mounting assembly additionally includes a sensor which indicates the correct alignment of the mold holder assembly in relation to the press assembly the press assembly moves the first and second mold holder units between a closed condition and an open condition in which they are located. mutually separated the displacement of the first milling unit by the press assembly engages the unit with the injection assembly.
O documento de patente PI9304305 refere-se a uma prensa hidráulica, com acionamento elétrico, apropriada a produção de tijolos a base de solo estabilizado com cal e/ou cimento, objetivando a redução do custo de construção de moradias populares e equipamentos comunitários a prensa tem capacidade para produção acima de 5.000 tijolos por dia, e apropriada para ser instalada em unidades produtoras de médio porte, caracíerizada por constituir-se de vigas superiores (01) e inferiores (03), colunas de sustentação (02), bases de apoio (07), placas de apoio (05) e de fixação do atuador (06), vigas e base de apoio da matriz (04) (10), matriz móvel (18) e três atuadores hidráulicos lineares, um de prensagem (32) e dois de desmolde (31), acoplados a uma unidade hidráulica. A pressão de compactação, na face de cada tijolo, e gerada pela força transmitida peio atuador hidráulico. Ao ser acionado o comando hidráulico duplo (30) a prensagem e iniciada, deslocando de cima apoio (34), matriz fixa (35), tampa móvel (36) e atuador hidráulico linear (52) acoplado a uma unidade hidráuiica. 4°) "prensa hidráulica para produção de tijolos de solo estabilizado", de acordo com a reivindicação 1 , como opção simplificada, a prensagem e iniciada, ao ser acionado o comando hidráulico (50), desiocando de baixo para cima o conjunto de compactação ate atingir a pressão máxima de trabalho, ocorrendo iogo em seguida a abertura da tampa móvel (36) e a exputsão dos tijolos através do acionamento do atuador hidráulico, que assim, complementa seu curso.  Patent document PI9304305 refers to an electrically operated hydraulic press suitable for the production of lime and / or cement stabilized ground-based bricks, with the aim of reducing the cost of building popular housing and community equipment. capacity for production above 5,000 bricks per day, and suitable for installation in medium-sized production units, characterized by its upper (01) and lower (03) beams, support columns (02), support bases ( 07), actuator mounting plates (05) and mounting plates (06), die support beams and base (04) (10), movable die (18) and three linear hydraulic actuators, one pressing (32) and two demolition (31) coupled to a hydraulic unit. The compaction pressure on the face of each brick is generated by the force transmitted by the hydraulic actuator. When the dual hydraulic control (30) is actuated, the pressing is started by moving the support (34), fixed die (35), movable cover (36) and linear hydraulic actuator (52) coupled to a hydraulic unit from above. (4) "hydraulic stabilized ground brick production press" according to claim 1, as a simplified option, pressing is initiated by actuating the hydraulic control (50) by moving the compaction assembly upwards from below. until the maximum working pressure is reached, then the opening of the movable cover (36) occurs and the bricks are expelled through the actuation of the hydraulic actuator, which thus completes its course.
No caso acima apresentado, a simplicidade do dimensionamento da prensa contrasta com sua baixa eficiência operacional.  In the case presented above, the simplicity of press sizing contrasts with its low operating efficiency.
O documento de patente PI 0403811 refere-se a uma unidade de prensagem que compreende um trilho de pressão (4) interdependente de peio menos duas hastes paralelas (2), montadas desiizantes entre duas posições finais, através de um suporte superior horizontal (1), através de um meio de conexão (3), um meio elástico de compressão (8) sendo disposto entre o dito suporte (1) e o dito trilho de pressão (4) para provavelmente manter o último na sua posição maís amplamente espaçada do dito suporte superior horizontal (1), definida por batentes (9) interdependentes das ditas hastes (2). O dito meio de conexão (3) compreende uma superfície de apoio (3f) contra o lado superior do dito suporte superior (1 ) e peio menos dois mordentes deformáveis (3a), simetricamente dispostos em reiação ao eixo geométrico longitudinal da dita passagem (3d), os ditos mordentes (3a) atravessando duas passagens relativas (1b) do dito suporte (1) e compreendendo cada um uma superfície de apoio (3b) contra a superfície inferior do dito suporte (1 ).  Patent document PI 0403811 relates to a pressing unit comprising an interdependent pressure rail (4) minus two parallel rods (2) mounted slidingly between two end positions via a horizontal upper support (1) , through a connecting means (3), an elastic compression means (8) being disposed between said support (1) and said pressure rail (4) to probably keep the latter in its most widely spaced position from said horizontal upper support (1), defined by interdependent stops (9) of said rods (2). Said connecting means (3) comprises a support surface (3f) against the upper side of said upper support (1) and at least two deformable jaws (3a) symmetrically arranged in relation to the longitudinal geometric axis of said passage (3d). ), said jaws (3a) traversing two relative passages (1b) of said support (1) and each comprising a support surface (3b) against the lower surface of said support (1).
O PI 0710220 refere-se a uma prensa de acionamento inferior de ação única de acionamento inferior capaz de economizar energia, poupar espaço, e realizar uma conformabilidade com alta precisão de maneira bem balanceada. Particularmente, proporciona-se uma prensa capaz de encurtar um curso de conformação, reduzir a aitura total, corrigir exatamente a deflexão do cursor ou matrizes com a finafidade de aperfeiçoar a adesão das matrizes a uma peça de trabalho, e realizar equalização por pressão de um retentor de ondulação uma prensa de acionamento inferior inclui uma unidade de prensa de conformação que por sua vez inciui uma matriz inferior localizada no inferior de um retentor anular de ondulação fixadamente disposto sobre um leito, e um mecanismo de acionamento disposto no interior do leito para erguer ou rebaixar um cursor que sustenta a matriz inferior, um cursor erguido ou rebaixado por um mecanismo de acionamento carregado no lado de uma coroa, uma unidade de prensa de retenção de matriz que inciui uma matriz superior dotada de uma parte de fixação de aperta uma peça de trabalho em cooperação com o retentor de ondulação em sua borda periférica, e um dispositivo que aplica uma força de prensagem a matriz superior por trás após o ultimo estagio de descida do cursor da unidade de prensa de retenção de matriz e a matriz superior para aperfeiçoamentos na precisão de conformação. PI 0710220 refers to a lower-acting single-acting lower drive press capable of saving energy, saving space, and performing well-balanced high-precision conformability. Particularly, A press is provided capable of shortening a forming stroke, reducing overall readiness, accurately correcting the deflection of the slider or dies with the aim of optimizing the adhesion of the dies to a workpiece, and performing pressure equalization of a retainer. undulating a lower drive press includes a forming press unit which in turn includes a lower die located at the bottom of an undulating ring retainer fixedly disposed on a bed, and a drive mechanism disposed within the bed to lift or lower a slider supporting the lower die, a slider raised or lowered by a drive mechanism loaded on the side of a crown, a die holding press assembly incorporating an upper die provided with a fastening part of a workpiece in cooperation with the curl retainer at its peripheral edge, and a device applying a gripping force Measuring the upper die behind after the last slider stage of the die holding press unit and the upper die for improvements in forming accuracy.
Exemplificaíivameníe, os documentos acima mencionados proporcionam uma eficiência operacional quanto à prensagem, mas à custa de uma maior complexidade.  For example, the above documents provide operational efficiency in pressing, but at the expense of greater complexity.
OBJETIVO DA INVENÇÃO PURPOSE OF THE INVENTION
É um objetivo da presente invenção proporcionar uma unidade de prensagem de dimensionamento melhorado e que possibilita uma operação simplificada no que tange ao emprego de unidades hidráulicas externas, tubulações, conexões e outras instalações hidráulicas.  It is an object of the present invention to provide an improved sized press unit which enables simplified operation with respect to the use of external hydraulic units, piping, fittings and other hydraulic installations.
DESCRIÇÃO DAS FIGURAS DESCRIPTION OF THE FIGURES
A Figura 1 ilustra uma vista em seção longitudinal da unidade de prensagem da presente invenção; Figure 1 illustrates a longitudinal section view of the pressing unit of the present invention;
A Figura 2 ilustra uma vista em seção longitudinal do suporte de motor de fiange da presente invenção;  Figure 2 illustrates a longitudinal section view of the fender motor mount of the present invention;
A Figura 3 ilustra uma vista em seção longitudinal do cabeçote de cilindro móvel da presente invenção.  Figure 3 illustrates a longitudinal section view of the movable cylinder head of the present invention.
DESCRIÇÃO DETALHADA DA INVENÇÃO  DETAILED DESCRIPTION OF THE INVENTION
Na Figura 1 , de acordo com a presente invenção, a unidade de prensagem compreende um cabeçote de cilindro móvel (1), uma plataforma piaca (2), um êmbolo de bomba (3), uma porção de cilindro movel (4), uma porção de cilindro fixo (5), uma porção de capa de guarnição (6), uma porção de eixo (7), meios de engrenagem (8, 9), uma tampa de bomba (10), uma bucha de eixo (11) e um suporte de motor (12) mostrado na Figura 2.  In Figure 1, according to the present invention, the pressing unit comprises a movable cylinder head (1), a sinker platform (2), a pump piston (3), a movable cylinder portion (4), a fixed cylinder portion (5), a trim cap portion (6), an axle portion (7), gear means (8, 9), a pump cap (10), an axle bushing (11) and a motor support (12) shown in Figure 2.
De acordo com a invenção, a unidade de prensagem compreende um diâmetro de êmbolo de cerca de 185mm, para curso útil de até 160mm. A pressão máxima de serviço da unidade de prensagem compreende cerca de 340 bar e um conjunto de moias de retorno (não mostradas) para restaurar a unidade de prensagem ao finai de um cicio de operação. A unidade de prensagem atua com um motor proporcionado sob um flange de motor (Figura 2) o qual compreende um motor elétrico de 15CV e 352.0 rpm controlado por uma eletroválvula. A bomba preferida da presente invenção compreende uma vazão de 7,85 cm3/rotação e um torque de 4,88N,m. According to the invention, the pressing unit comprises a plunger diameter of about 185mm, for working stroke up to 160mm. The maximum operating pressure of the pressing unit comprises about 340 bar and a set of return units (not shown) for restoring the pressing unit to the end of an operating cycle. THE pressing unit operates with a motor provided under a motor flange (Figure 2) which comprises a 15CV electric motor and 352.0 rpm controlled by an solenoid valve. The preferred pump of the present invention comprises a flow rate of 7.85 cm 3 / rotation and a torque of 4.88N, m.
Com relação à Figura 3, o cabeçote de êmbolo (1) compreende um conjunto de recessos (13), elementos de fixação (14) e uma projeção de cabeçote (15) sobre uma placa (16); a projeção de cabeçote ainda apresenta uma segmentação anular (17).  Referring to Figure 3, the plunger head (1) comprises a recess assembly (13), fasteners (14) and a head projection (15) on a plate (16); the head projection still has an annular segmentation (17).
De acordo com a presente invenção, o motor aciona um eixo paralelo ã haste que aciona uma bomba de óleo que fica localizada no interior do êmbolo; que bombeia o fluido do lado superior ao lado inferior do sistema causando o avanço do copão (cilindro móvel), realizando assim o esforço de prensagem, O sistema pode ser modificado para funcionar em outras posições como, por exemplo, a horizontal. Conforme presentemente revelado, a vantagem da invenção é dispensar unidades hidráulicas externas, tubulações, conexões e outros acessórios da hidráulica; e o sistema é automatizado, ou seja, tanto o cilindro quanto a eietrováivula são comandados por unidade lógica.  In accordance with the present invention, the engine drives an axis parallel to the rod that drives an oil pump which is located inside the piston; which pumps the fluid from the upper side to the lower side of the system causing the cup (movable cylinder) to advance, thereby realizing the pressing effort. The system can be modified to operate in other positions such as horizontal. As disclosed herein, the advantage of the invention is to dispense with external hydraulic units, pipes, fittings and other hydraulic accessories; and the system is automated, that is, both the cylinder and the electrovalve are controlled by logical unit.

Claims

REIVINDICAÇÕES
1 — Unidade de prensagem caracterizada por compreender compreende um cabeçote de cilindro móvel (1), uma plataforma placa (2), um êmbolo de bomba (3), uma porção de cilindro móvel (4), uma porção de cilindro fixo (5), uma porção de capa de guarnição (6), uma porção de eixo (7), meios de engrenagem (8, 9), uma tampa de bomba (10), uma bucha de eixo (11 ) e um suporte de motor (12).  Pressing unit comprising a movable cylinder head (1), a platform plate (2), a pump piston (3), a movable cylinder portion (4), a fixed cylinder portion (5) , a trim cap portion (6), a shaft portion (7), gear means (8, 9), a pump cover (10), a shaft bushing (11) and a motor support (12 ).
2 - Unidade de prensagem, de acordo com a reivindicação 1 , caracterizada por compreender um diâmetro de êmbolo de cerca de 185mm, para curso útil de até 160mm.  Pressing unit according to claim 1, characterized in that it comprises a piston diameter of about 185mm, for a useful stroke of up to 160mm.
3 - Unidade de prensagem, de acordo com a reivindicação 1 , caracterizada por compreender uma pressão máxima de serviço de cerca de 340 bar.  Pressing unit according to Claim 1, characterized in that it comprises a maximum working pressure of about 340 bar.
4 - Unidade de prensagem, de acordo com a reivindicação 1 , caracterizada por atuar com um motor elétrico de 15CV e 3520 rpm controlado por uma eletrováívula.  Pressing unit according to Claim 1, characterized in that it operates with an electric motor of 15CV and 3520 rpm controlled by an electrovávula.
5 - Unidade de prensagem, de acordo com a reivindicação 1 , caracterfzada por uma bomba com uma vazão de 7,85 cm3/rotação e um torque de 4,88N.m, Pressing unit according to claim 1, characterized by a pump with a flow rate of 7.85 cm 3 / rotation and a torque of 4.88N.m,
6 - Unidade de prensagem, de acordo com a reivindicação 1 , caracterfzada por um cabeçote de êmbolo (1 ) compreender um conjunto de recessos (13), elementos de fixação (14) e uma projeção de cabeçote (15) sobre uma piaca (18); a projeção de cabeçote ainda apresenta uma segmentação anular (17).  Pressing unit according to Claim 1, characterized in that a plunger head (1) comprises a recess assembly (13), fastening elements (14) and a head projection (15) on a sinker (18). ); the head projection still has an annular segmentation (17).
PCT/BR2018/000019 2018-03-29 2018-03-29 Press unit WO2019183689A1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN105402185A (en) * 2015-12-08 2016-03-16 中国重型机械研究院股份公司 Double-acting prefill valve
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811745A1 (en) * 1977-03-17 1978-09-21 Kelsey Hayes Co PROCESS AND EQUIPMENT FOR ROLL FORGING WORKPIECES
CN101712207A (en) * 2009-09-08 2010-05-26 广东工业大学 High performance and energy-saving double-acting hydrostatic press driven by servo motor
CN202461389U (en) * 2011-12-06 2012-10-03 王洪国 Oil pressure machine and hydraulic system thereof
CN202690570U (en) * 2012-05-30 2013-01-23 三一重工股份有限公司 Hydraulic cylinder, hydraulic circuit, material pumping system and engineering machinery
CN204234644U (en) * 2014-09-30 2015-04-01 上海兰石重工机械有限公司 Cover cylinder pattern forging hydraulic press
CN205136211U (en) * 2015-11-19 2016-04-06 江苏百协精锻机床有限公司 Liftout hydro -cylinder
CN105402185A (en) * 2015-12-08 2016-03-16 中国重型机械研究院股份公司 Double-acting prefill valve

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