WO2014113856A1 - Automatic system of vu loaning presses for hot splicing conveyor belts - Google Patents

Automatic system of vu loaning presses for hot splicing conveyor belts Download PDF

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Publication number
WO2014113856A1
WO2014113856A1 PCT/BR2014/000020 BR2014000020W WO2014113856A1 WO 2014113856 A1 WO2014113856 A1 WO 2014113856A1 BR 2014000020 W BR2014000020 W BR 2014000020W WO 2014113856 A1 WO2014113856 A1 WO 2014113856A1
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WO
WIPO (PCT)
Prior art keywords
plateaus
temperature
conveyor belts
type
industrial computer
Prior art date
Application number
PCT/BR2014/000020
Other languages
French (fr)
Portuguese (pt)
Inventor
Leonardo PÉRES COUTO
Original Assignee
Vale S.A.
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.)
Filing date
Publication date
Application filed by Vale S.A. filed Critical Vale S.A.
Publication of WO2014113856A1 publication Critical patent/WO2014113856A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D29/00—Producing belts or bands
    • B29D29/06—Conveyor belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0288—Controlling heating or curing of polymers during moulding, e.g. by measuring temperatures or properties of the polymer and regulating the process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4324—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms for making closed loops, e.g. belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/855—Belt splicing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/87—Auxiliary operations or devices
    • B29C66/872—Starting or stopping procedures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/922—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9221—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/967—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes
    • B29C66/9674—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes involving special data outputs, e.g. special data display means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7375—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured
    • B29C66/73753—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being partially cured, i.e. partially cross-linked, partially vulcanized
    • B29C66/73754—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being partially cured, i.e. partially cross-linked, partially vulcanized the to-be-joined areas of both parts to be joined being partially cured
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9241—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
    • B29L2031/7092—Conveyor belts

Definitions

  • the present invention relates to an automated vulcanization press system, particularly vulcanization presses for conveyor belt hot splicing, avoiding current operational deviations, the need for constant temperature monitoring, lack of traceability, among other present drawbacks. on non-automated system.
  • vulcanizer pressurizes the system with buttonhole at approximately 6Kg / cm;
  • vulcanizer pressurizes the buttonhole system at approximately 8Kg / cm;
  • the vulcanizer should monitor the temperature and, using the on / off pump switch, pressurize to the pressure shown in the table below.
  • Table 1 Pressure and Temperature Data Provided by Solar Shield Manufacturer
  • the present invention aims to eliminate operational deviations during vulcanization processes.
  • the invention aims to present an improved automated vulcanization press system for conveyor belt hot splicing comprising three different proposals:
  • PLC Programmable Logic Controller
  • the installation of a (removable) pressure sensor which will allow laboratory calibration and the implementation of pressure monitoring and correction logic (PLC) if necessary throughout the process. Such procedures will increase the reliability of pressurization.
  • the invention further relates to the development of plateau temperature analysis and control logic (PLC) to automatically monitor and correct, if necessary, temperature deviations throughout the process. Such a procedure will increase the reliability of the vulcanization temperature.
  • the system for the automation of vulcanization presses for conveyor belt hot splicing object of the present invention, is comprised of a HMI Display (Human Machine Interface - industrial use equipment for automated process visualization and control) and a controller. (PLC) that will allow the vulcanizer to only select the belt model and manufacturer, as the settings will already be pre-inserted in the system, and the number of registered belts is unlimited. After selection, the operator can follow the heating temperature curve in real time through the screen, following the steps: 19 - Vulcanizer turns on the equipment and selects the manufacturer type;
  • Vulcanizer selects the Connect via HMI or pushbutton option
  • 32 - Vulcanizer selects the HMI heating graph screen.
  • the present invention allows at any time, through a notebook, adjustments or changes to the program as well as the collection of the last vulcanization values can be made.
  • the system creates a history report that is stored in the HMI indefinitely and can be copied to a removable memory device with only one selection in the system even months after vulcanization.
  • the operator has a choice of plateaus, which have independent resistor system and sector temperature sensors for operation, and the press can work with two or four plateaus in operation.
  • Plateaus are sheet steel coated plates containing an electrical resistance heating system that make the process of splicing conveyor belts by rubber vulcanization.
  • Said automator also has a removable pressure sensor, which allows calibration in the laboratory.
  • the technique described in this document also allows the development of histograms for recording and analysis of historical trends, as well as the development of automated diagnosis of plateau and pressure pump operating conditions, as well as the reporting of data.
  • the technology developed by the present invention also makes it possible to eliminate all operational deviations during the process beyond studying the behavior of splices and fine-tuning in order to understand, learn and further improve the quality of splices.
  • the present technology allows increased reliability of vulcanization, while respecting the manufacturer's recommendations; faithful and online registration of the entire process; actual monitoring of the temperature and pressure curve during the vulcanization process; expandability of the system for sector temperature control on the plateau, as well as eliminating the risk of inaccuracy failure and uncontrolled instruments or operation during vulcanization.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Belt Conveyors (AREA)

Abstract

The present invention relates to an automated system for vulcanizing presses, particularly presses for hot vulcanization for splicing conveyor belts, which avoids current operational drawbacks, such as the need for constant monitoring of temperature, the lack of traceability, among other shortcomings present on the non automated current systems.

Description

"SISTEMA AUTOMÁTICO DE PRENSAS DE VULCANIZAÇÃO PARA EMENDAS A QUENTE  "AUTOMATIC VOLCANIZING PRESS SYSTEM FOR HOT Splices
DE CORREIAS TRANSPORTADORAS"  CARRIER BELTS "
Campo da invenção  Field of the invention
A presente invenção refere-se a um sistema automatizado de prensas de vulcanização, particularmente prensas de vulcanização para emendas a quente de correias transportadoras, evitando os atuais desvios operacionais, a necessidade de acompanhamento constante da temperatura, a falta de rastreabilidade, dentre outros inconvenientes presentes no sistema não automatizado.  The present invention relates to an automated vulcanization press system, particularly vulcanization presses for conveyor belt hot splicing, avoiding current operational deviations, the need for constant temperature monitoring, lack of traceability, among other present drawbacks. on non-automated system.
Descrição do estado da técnica  Description of the prior art
Atualmente o sistema de prensas de vulcanização funciona de forma manual, tal que, ao energizar o equipamento são seguidos os passos abaixo:  Currently the vulcanization press system works manually, so that when energizing the equipment the following steps are followed:
l9 - Vulcanizador liga o equipamento para que as resistências aqueçam e iniciem a vulcanização e pressuriza o sistema em uma dada pressão em torno de 4 Kg/cm; 9 l - vulcanizing equipment that connects the resistors heat up and start vulcanization and pressurizes the system at a given pressure around 4 Kg / cm;
25 - Temperatura em torno de 80°C, vulcanizador pressuriza o sistema com botoeira em aproximadamente 6Kg/cm; 2 5 - Temperature around 80 ° C, vulcanizer pressurizes the system with buttonhole at approximately 6Kg / cm;
39 - Temperatura em torno de 100°C, vulcanizador pressuriza o sistema com botoeira em aproximadamente 8Kg/cm; 3 9 - Temperature around 100 ° C, vulcanizer pressurizes the buttonhole system at approximately 8Kg / cm;
4? - Temperatura em torno de 120°C, sistema inicia contagem de tempo (aproximadamente 40 min), e desliga o aquecimento aguardando o resfriamento em condição normal. 4 ? - Temperature around 120 ° C, system starts time counting (approximately 40 min), and turns off the heating awaiting cooling in normal condition.
Para cada etapa de temperatura o vulcanizador deverá acompanhar a temperatura e, utilizando a chave da bomba liga/desliga deverá pressurizar até a pressão indicada conforme o quadro abaixo.  For each temperature step the vulcanizer should monitor the temperature and, using the on / off pump switch, pressurize to the pressure shown in the table below.
Tabela 1: Dados de pressão e temperatura fornecidos pelo fabricante Solar Shield Table 1: Pressure and Temperature Data Provided by Solar Shield Manufacturer
Pressão (Kg) Temp. Inicial (°C) Temp. Final (°C) Pressure (kg) Temp. Initial (° C) Temp. Final (° C)
4 ambiente 80 4 environment 80
6 81 1006 81 100
8 101 1208 101 120
10 121 145 O processo acima descrito, compreendido no estado da técnica, possui a necessidade de acompanhamento constante da temperatura por um vulcanizador e a correção da pressão para cada etapa. Além disso, o mesmo possui outros desvios, tais como, falta de rastreabilidade em caso de falhas operacionais ou de equipamento, imprecisão do medidor de pressão por impossibilidade de calibração do mesmo, já que este é fixo na caixa da bomba hidráulica e a falta de controle de diferença de temperatura entre platôs, por impossibilidade de atuação na identificação destes. 10 121 145 The above described process, comprised in the prior art, has the need for constant temperature monitoring by a vulcanizer and the pressure correction for each step. In addition, it has other deviations, such as lack of traceability in the event of operational or equipment failures, inaccuracy of the pressure gauge because it cannot be calibrated as it is fixed to the hydraulic pump housing and lack of control of temperature difference between plateaus, because it is impossible to act on their identification.
Objetivo da invenção  Purpose of the invention
A presente invenção tem como objetivo eliminar desvios operacionais durante processos de vulcanização.  The present invention aims to eliminate operational deviations during vulcanization processes.
É também um objetivo da presente invenção aumentar a confiabilidade da pressurização durante um processo de vulcanização  It is also an object of the present invention to increase the reliability of pressurization during a vulcanization process.
É ainda um objetivo da presente invenção aumentar a confiabilidade da temperatura durante um processo de vulcanização.  It is a further object of the present invention to increase temperature reliability during a vulcanization process.
Breve Descrição da Invenção  Brief Description of the Invention
A invenção tem por objetivo apresentar um aperfeiçoado sistema automatizado de prensas de vulcanização para emendas a quente de correias transportadoras, compreendendo três diferentes propostas:  The invention aims to present an improved automated vulcanization press system for conveyor belt hot splicing comprising three different proposals:
A implantação de um controlador PLC (Programmable Logic Controller - computador digital utilizado para automatização de processos industriais) contendo a programação de todos os tipos de correias transportadoras, de forma a permitir que o vulcanizador selecione apenas o tipo específico de emenda e dê início ao processo, eliminando, dessa maneira, os desvios operacionais durante o processo de vulcanização.  The deployment of a Programmable Logic Controller (PLC) containing the programming of all types of conveyor belts to allow the vulcanizer to select only the specific type of splice and begin the process. thereby eliminating operational deviations during the vulcanization process.
A instalação de um sensor de pressão (removível), o qual permitirá a calibração em laboratório e a implantação da lógica (PLC) de monitoramento e correção, se necessário, da pressão durante todo o processo. Tais procedimentos aumentarão a confiabilidade da pressurização. A invenção se refere ainda ao desenvolvimento da lógica (PLC) de análise e controle das temperaturas dos platôs, de forma a monitorar e corrigir, automaticamente, se necessário, os desvios de temperatura durante todo o processo. Tal procedimento aumentará a confiabilidade da temperatura de vulcanização. The installation of a (removable) pressure sensor, which will allow laboratory calibration and the implementation of pressure monitoring and correction logic (PLC) if necessary throughout the process. Such procedures will increase the reliability of pressurization. The invention further relates to the development of plateau temperature analysis and control logic (PLC) to automatically monitor and correct, if necessary, temperature deviations throughout the process. Such a procedure will increase the reliability of the vulcanization temperature.
Descrição detalhada  Detailed Description
O sistema para a automatização das prensas de vulcanização para emendas a quente de correias transportadoras, objeto da presente invenção, é composto de uma Tela IHM (Interface Homem-Máquina - equipamento industrial de uso operacional para visualização e controle de processos automatizados) e um controlador (PLC) que permitirá ao vulcanizador apenas selecionar o modelo e fabricante da correia, pois as programações já estarão pré-inseridas no sistema, sendo ilimitado o número de correias cadastradas. Após a seleção, o operador poderá acompanhar a curva de temperatura do aquecimento em tempo real através da tela, seguindo as etapas: 19 - Vulcanizador liga o equipamento e seleciona o tipo de fabricante;  The system for the automation of vulcanization presses for conveyor belt hot splicing, object of the present invention, is comprised of a HMI Display (Human Machine Interface - industrial use equipment for automated process visualization and control) and a controller. (PLC) that will allow the vulcanizer to only select the belt model and manufacturer, as the settings will already be pre-inserted in the system, and the number of registered belts is unlimited. After selection, the operator can follow the heating temperature curve in real time through the screen, following the steps: 19 - Vulcanizer turns on the equipment and selects the manufacturer type;
22 - Vulcanizador seleciona a opção Ligar via IHM ou botoeira; 22 - Vulcanizer selects the Connect via HMI or pushbutton option;
32 - Vulcanizador seleciona a tela do gráfico de aquecimento na IHM. 32 - Vulcanizer selects the HMI heating graph screen.
A presente invenção permite que a qualquer momento, através de um notebook, possam ser feitos ajustes ou mudanças no programa, bem como a coleta dos valores da última vulcanização. O sistema cria um relatório com histórico que fica armazenado na IHM por tempo indeterminado podendo ser copiado para um dispositivo de memória removível (pendrive) com apenas uma seleção no sistema, mesmo meses após a vulcanização.  The present invention allows at any time, through a notebook, adjustments or changes to the program as well as the collection of the last vulcanization values can be made. The system creates a history report that is stored in the HMI indefinitely and can be copied to a removable memory device with only one selection in the system even months after vulcanization.
O operador tem opção de escolha de platôs, os quais possuem sistema de resistências independentes e sensores de temperatura por setor, para operação, podendo a prensa trabalhar com dois ou quatro platôs na operação. Os platôs são placas revestidas de chapa de aço contendo um sistema de aquecimento por resistências elétricas que fazem o processo de emenda de correias transportadoras por vulcanização da borracha. O referido automatizador também possui um sensor de pressão removível, que permite a calibração em laboratório. The operator has a choice of plateaus, which have independent resistor system and sector temperature sensors for operation, and the press can work with two or four plateaus in operation. Plateaus are sheet steel coated plates containing an electrical resistance heating system that make the process of splicing conveyor belts by rubber vulcanization. Said automator also has a removable pressure sensor, which allows calibration in the laboratory.
A técnica descrita neste documento permite, ainda, o desenvolvimento de histogramas para registro e análises de tendências históricas, assim como o desenvolvimento de diagnóstico automatizado de condição de operação dos platôs e bomba de pressão, além da emissão de relatório com dados.  The technique described in this document also allows the development of histograms for recording and analysis of historical trends, as well as the development of automated diagnosis of plateau and pressure pump operating conditions, as well as the reporting of data.
Outras características da referida invenção envolvem:  Other features of said invention involve:
- Controle de diferença de temperatura entre platôs de 3- C.  - Control of temperature difference between 3 ° C plateaus.
- Controle da pressão restabelecendo-a em caso de vazamentos em todo o processo. - Diagnóstico independente e registro em relatório de anomalia em platôs com rastreabilidade.  - Pressure control restoring it in case of leaks throughout the process. - Independent diagnosis and record in anomaly report on traceability plateaus.
- Diagnóstico e registro em relatório de anomalia na bomba com rastreabilidade.  - Diagnosis and report on anomaly report on the pump with traceability.
- Restabelecimento e registro de falhas do processo em caso de desarmes elétricos. - Restoration and recording of process failures in case of electrical trips.
- Criterização de condição de operação em caso de desarmes excessivos e/ou tempo de restabelecimento de energia em caso de desarmes, obrigando a refazer a emenda.- Criterization of operating condition in case of excessive trips and / or power restoration time in case of trips, forcing to redo the amendment.
- Controle preciso de temperatura e pressão com correção de anomalias durante o processo. - Precise temperature and pressure control with anomaly correction during the process.
A tecnologia desenvolvida pela presente invenção também permite eliminar todos os desvios operacionais durante o processo além do estudo do comportamento das emendas e ajustes finos com o intuito de entender, aprender e melhorar cada vez mais a qualidade das emendas.  The technology developed by the present invention also makes it possible to eliminate all operational deviations during the process beyond studying the behavior of splices and fine-tuning in order to understand, learn and further improve the quality of splices.
Ademais, a presente tecnologia permite o aumento na confiabilidade da vulcanização, respeitando pontualmente as recomendações do fabricante; registro fiel e on-line de todo o processo; acompanhamento real da curva de temperatura e pressão durante o processo de vulcanização; possibilidade de expansão do sistema para controle de temperatura por setor no platô, além de eliminar o risco de falha por imprecisão e o descontrole de instrumentos ou operação durante a vulcanização.  In addition, the present technology allows increased reliability of vulcanization, while respecting the manufacturer's recommendations; faithful and online registration of the entire process; actual monitoring of the temperature and pressure curve during the vulcanization process; expandability of the system for sector temperature control on the plateau, as well as eliminating the risk of inaccuracy failure and uncontrolled instruments or operation during vulcanization.

Claims

REIVINDICAÇÕES
1. Sistema automático de prensas de vulcanização para emendas a quente de correias transportadoras caracterizado por compreender um computador industrial, um controlador, platôs, sensor de temperatura, sensor de pressão e ser viabilizado através das seguintes etapas:  1. Automatic conveyor belt splicing system for vulcanization presses comprising an industrial computer, controller, plateaus, temperature sensor, pressure sensor and made viable by the following steps:
a) o vulcanizador liga o equipamento e seleciona o tipo de fabricante;  a) the vulcanizer turns on the equipment and selects the manufacturer type;
b) o vulcanizador seleciona a opção ligar via computador industrial;  b) the vulcanizer selects the option to connect via industrial computer;
c) o vulcanizador seleciona a tela do gráfico de aquecimento no computador industrial.  c) the vulcanizer selects the heating graph screen on the industrial computer.
2. Sistema, de acordo com a reivindicação \, caracterizado pelo fato da pressão ser monitorada e corrigida durante todo o processo.  System according to Claim 1, characterized in that the pressure is monitored and corrected throughout the process.
3. Sistema, de acordo com a reivindicação 1, caracterizado pelo fato da temperatura ser monitorada e corrigida durante todo o processo.  System according to Claim 1, characterized in that the temperature is monitored and corrected throughout the process.
4. Sistema, de acordo com a reivindicação 1 caracterizado pelo fato do computador industrial ser do tipo IHM (Interface Homem-Máquina).  System according to Claim 1, characterized in that the industrial computer is an HMI (Human Machine Interface) type.
5. Sistema, de acordo com a reivindicação 4, caracterizado pelo fato de ser gerado um relatório com histórico armazenado no computador industrial do tipo IHM por tempo indeterminado.  System according to Claim 4, characterized in that a history report is stored in the industrial computer of the HMI type indefinitely.
6. Sistema, de acordo com a reivindicação 5, caracterizado pelo fato do histórico poder ser copiado para um dispositivo de memória removível.  System according to Claim 5, characterized in that the history can be copied to a removable memory device.
7. Sistema, de acordo com a reivindicação 1, caracterizado pelo fato de permitir um cadastro ilimitado de correias transportadoras a serem vulcanizadas.  System according to claim 1, characterized in that it allows unlimited registration of conveyor belts to be vulcanized.
8. Sistema, de acordo com a reivindicação 1, caracterizado pelo fato do controlador ser do tipo controlador lógico programável (PLC).  System according to Claim 1, characterized in that the controller is of the programmable logic controller (PLC) type.
9. Sistema, de acordo com a reivindicação 8, caracterizado pelo fato do controlador do tipo PLC monitorar e corrigir os desvios de temperatura e pressão durante todo o processo.  System according to Claim 8, characterized in that the PLC-type controller monitors and corrects temperature and pressure deviations throughout the process.
10. Sistema, de acordo com a reivindicação 8, caracterizado pelo fato do controlador do tipo PLC monitorar, analisar e corrigir os desvios de temperatura dos platôs automaticamente. System according to Claim 8, characterized in that the system is PLC type controller automatically monitor, analyze and correct temperature deviations of the plateaus.
11. Sistema, de acordo com a reivindicação 8, caracterizado pelo fato do controlador do tipo PLC compreender a programação de todo tipo de correia transportadora.  System according to Claim 8, characterized in that the PLC-type controller comprises the programming of all types of conveyor belts.
12. Sistema, de acordo com a reivindicação 1, caracterizado pelo fato dos platôs possuírem sistema de resistência independente e sensores de temperatura por setor.  System according to Claim 1, characterized in that the plateaus have an independent resistance system and sector temperature sensors.
13. Sistema, de acordo com a reivindicação 1, caracterizado pelo fato da prensa de vulcanização para emendas a quente de correias transportadoras poder trabalhar com 2 ou 4 platôs.  System according to Claim 1, characterized in that the hot-seaming vulcanization press of conveyor belts can work with 2 or 4 plateaus.
14. Sistema, de acordo com a reivindicação 1, caracterizado pelo fato da variação de temperatura entre platôs ser de 3°C.  System according to Claim 1, characterized in that the temperature variation between plateaus is 3 ° C.
15. Sistema, de acordo com a reivindicação 1 caracterizado pelo fato do sensor de pressão ser removível.  System according to Claim 1, characterized in that the pressure sensor is removable.
16. Sistema, de acordo com a reivindicação 1 caracterizado pelo fato de compreender adicionalmente uma botoeira.  System according to claim 1, characterized in that it further comprises a buttonhole.
17. Sistema, de acordo com a reivindicação 1 caracterizado por controlar toda a programação dos tipos de correias transportadoras.  System according to Claim 1, characterized in that it controls the entire programming of the types of conveyor belts.
18. Sistema, de acordo com a reivindicação 1, caracterizado pelo fato de compreender um diagnóstico independente e registro em relatório de anomalia em platôs com rastreabilidade.  System according to claim 1, characterized in that it comprises an independent diagnosis and anomaly report on traceable plateaus.
19. Sistema, de acordo com a reivindicação 1, caracterizado pelo fato de compreender um diagnóstico independente e registro em relatório de anomalia na bomba com rastreabilidade.  System according to claim 1, characterized in that it comprises an independent diagnosis and anomaly report on the traceability pump.
20. Sistema, de acordo com a reivindicação 1, caracterizado pelo fato de restabelecer e registrar falhas no processo em caso de desarmes elétricos.  System according to Claim 1, characterized in that it resets and registers process failures in the event of electrical trips.
PCT/BR2014/000020 2013-01-24 2014-01-24 Automatic system of vu loaning presses for hot splicing conveyor belts WO2014113856A1 (en)

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BR102013001817-1 2013-01-24
BR102013001817-1A BR102013001817A2 (en) 2013-01-24 2013-01-24 AUTOMATIC VOLCANIZING PRESS SYSTEMS FOR HOT SEALS OF CARRIER BELTS

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EP2308662A1 (en) * 2009-10-09 2011-04-13 Linter Spolka z ograniczona odpowiedzialnoscia Heating unit for heating press plates of vulcanizing press machine and method for heating press plates of vulcanizing press machine
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2441081A1 (en) * 1974-08-27 1976-03-25 Siempelkamp Gmbh & Co SYSTEM FOR THE VULCANIZATION OF A CONVEYOR BELT OR THE SAME
US4623419A (en) * 1984-07-09 1986-11-18 Price John G Steam sack vulcanizing apparatus
GB2321959A (en) * 1997-02-10 1998-08-12 Cleanup Corp Apparatus for controlling the temperature of a mould
JP2002351521A (en) * 2001-05-24 2002-12-06 Mitsuboshi Belting Ltd Production management system of driving belt manufacturing line
US20040126451A1 (en) * 2002-12-31 2004-07-01 The Goodyear Tire & Rubber Company Self-leveling high heat transfer mold
WO2007037778A2 (en) * 2004-09-03 2007-04-05 Societe De Technologie Michelin Improved method for curing a thick, non-uniform rubber article
US20070023952A1 (en) * 2005-07-27 2007-02-01 Bull Jeffrey F Tire belt machine
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CN202097961U (en) * 2011-06-08 2012-01-04 中化二建集团有限公司 Fixture for bonding in vulcanization of conveying belts

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TW201446478A (en) 2014-12-16
BR102013001817A2 (en) 2014-10-29
CA2839924A1 (en) 2014-07-24

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