WO2017154866A1 - Gabarit destiné au chauffage et à la liaison par excitation, et dispositif de chauffage et de liaison par excitation le mettant en œuvre - Google Patents

Gabarit destiné au chauffage et à la liaison par excitation, et dispositif de chauffage et de liaison par excitation le mettant en œuvre Download PDF

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Publication number
WO2017154866A1
WO2017154866A1 PCT/JP2017/008893 JP2017008893W WO2017154866A1 WO 2017154866 A1 WO2017154866 A1 WO 2017154866A1 JP 2017008893 W JP2017008893 W JP 2017008893W WO 2017154866 A1 WO2017154866 A1 WO 2017154866A1
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WO
WIPO (PCT)
Prior art keywords
heating
bonding
electric heating
jig
contact
Prior art date
Application number
PCT/JP2017/008893
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English (en)
Japanese (ja)
Inventor
水野芳伸
Original Assignee
Ｅｃｏ－Ａ株式会社
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 Ｅｃｏ－Ａ株式会社 filed Critical Ｅｃｏ－Ａ株式会社
Priority to CN201780011780.1A priority Critical patent/CN108698336A/zh
Priority to JP2018504491A priority patent/JPWO2017154866A1/ja
Publication of WO2017154866A1 publication Critical patent/WO2017154866A1/fr

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    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C65/44—Joining a heated non plastics element to a plastics element

Definitions

  • the present invention relates to an electric heating and welding jig and an electric heating and welding apparatus using the same.
  • the present invention has been made in view of the problems of the prior art as described above, and the shape of the heating portion can be easily changed in accordance with the shapes of the members to be joined and joining surfaces, and the members to be joined can be efficiently heated. It is an object of the present invention to provide an electric heating and welding jig that can be used and an electric heating and welding apparatus using the same.
  • the electric heating and welding jig is for heating the bonding surface in electric heating and bonding in which members to be bonded are bonded at a bonding surface
  • the heating resistor includes a contact member having a contact surface to be in contact with the member, a heat generation resistance member having a detachable portion capable of attaching and detaching the contact member, and a pair of electrodes; And heating means capable of heating the member.
  • the contact member is preferably formed so as to be in close contact with the attaching / detaching portion. Further, it is preferable that the contact member has a shape that allows close contact with the member to be joined.
  • a cooling means for cooling one or both of the electrode and the heat generation resistance member.
  • a temperature sensor for detecting the temperature in the vicinity of the bonding surface of the members to be bonded.
  • a plurality of members to be joined are brought into contact with each other at a bonding surface, and bonding is performed by heating while pressing the bonding surfaces.
  • the electric heating and welding apparatus have a control unit that controls the temperature and / or the pressure of the bonding surface.
  • the jig for electric heating and welding according to the present invention and the electric heating and welding apparatus using the same can easily change the shape of the contact member as the heating portion in accordance with the shapes of the member to be welded and the joint surface.
  • the bonding member can be efficiently heated.
  • the heating resistance member 3 has a detachable portion to which the contact member 2 can be easily attached and detached, it is possible to easily replace the contact member 2 in accordance with the shape of the member to be joined.
  • FIG. 1 is a partial cross-sectional view showing an electric heating and welding apparatus according to the present invention.
  • the present invention is a heating and welding jig 1 for heating the bonding surface in the case of electric heating and bonding in which members to be joined are joined at a joining surface, and the joining member is a joining member.
  • Heat generation is achieved by energizing between the electrodes 4 having a contact member 2 having a contact surface 21 to be in contact, a heating resistance member 3 having a detachable portion 31 to which the contact member 2 can be attached and detached, and a pair of electrodes 4 And a heating unit capable of heating the resistance member 3.
  • the abutting member 2 abuts on the member to be joined, and heats the joint surface of the member to be joined via the abutting surface 21. Therefore, the contact surface 21 of the contact member 2 is formed in the same shape according to the shapes of the member to be joined, the joint surface, and the like. Further, from the viewpoint of heat transfer, the contact member 2 preferably has a shape that can be in close contact with the members to be joined, and is formed, for example, as a mirror surface. In addition, although the contact member 2 contacts any one to-be-joined member, it is better to be comprised so that another contact member may not be contacted. In FIG. 1, the contact member 2 is formed as a disc having a convex cross section.
  • the heating means is mainly composed of the heating resistance member 3 and the pair of electrodes 4 and is for heating the contact member 2.
  • the heat generation resistant member 3 has a detachable portion 31 to which the abutting member 2 can be attached and detached. Thereby, according to a to-be-joined member, it can form and can attach or detach easily the contact member 2 from which a shape differs for every to-be-joined member.
  • the structure for attaching and detaching may be any structure as long as the contact member 2 can be easily attached to and removed from the heat generation resistance member 3, but for example, as shown in FIG. It should just be taken as an uneven structure. In FIG. 1, the recessed part which can fit the disk shaped contact member 2 is formed. As described above, since the contact member 2 can be installed only by fitting the heat resistance member 3, the contact member 2 can be easily replaced according to the shape of the member to be joined.
  • the heat generating resistive member 3 and the contact member 2 preferably have a shape that can be in close contact with each other.
  • the heat generation resistance member 3 is formed of a material that generates heat by energization, for example, a metal (conductor) having a large resistance value, carbon, a carbon composite material, silicon carbide, a conductive ceramic, or the like.
  • the electrodes 4 are respectively provided at portions facing each other across the mounting / removal portion 31 of the heating resistance member 3 so that the mounting / removing portion 31 of the heating resistance member 3 generates heat.
  • the electrodes 4 are provided at lower ends of the plate-like heat generating resistive member 3.
  • a power supply connection portion 41 for connecting to the power supply 7 (see FIG. 5) via a cable is formed on the electrode 4.
  • the power supply connection portion 41 for example, a hole for inserting a plug of a cable may be formed.
  • the heating resistance member 3 can be heated by energizing the electrodes.
  • the material of the electrode 4 can be, for example, a metal such as copper, molybdenum or tungsten.
  • the electrode 4 is fixed to the base member 5 by the fixing tool via the insulator 51.
  • the electrode 4 is disposed on the base member 5 with the insulator 51 made of bakelite interposed therebetween, and is fastened with a bolt via the ceramic collar (insulator 51).
  • the electric heating and welding jig 1 of the present invention may further have a cooling means for cooling one or both of the electrode 4 and the heating resistance member 3.
  • the cooling means may be anything as long as it can cool the electrode 4 and the heating resistance member 3, but for example, a cooling fluid such as tap water can be circulated in the flow path 61.
  • the flow path 61 may be provided in the heating resistance member 3 or the electrode 4 itself, or the cooling block 62 in which the flow path 61 is formed may be disposed in close contact with the heating resistance member 3 or the electrode 4.
  • the electric heating / bonding jig 1 shown in FIG. 1 has a cooling block 62 disposed in close contact with the surface on the side opposite to the surface on which the detachable portion 31 of the heating resistance member 3 is formed, and flows into the electrode 4 itself.
  • the passage 61 is formed.
  • the electric heating and welding jig 1 of the present invention may further include a temperature sensor for detecting the temperature of the bonding surface of the members to be bonded or the vicinity thereof.
  • a temperature sensor for example, a non-contact type sensor such as an infrared radiation thermometer or a contact type sensor such as a thermocouple which is brought into contact with a member to be bonded to measure a temperature may be used. It is also possible to use a non-contact type and a contact type in combination.
  • the temperature sensor turns off the power supply from the power source 7 to the electrode 4 when the detected temperature exceeds the set temperature Ts, and supplies the power from the power source 7 to the electrode 4 when the detected temperature becomes lower than the set temperature Ts. You may make it perform feedback control turned on. As a result, a signal is directly output from the temperature sensor to the power supply 7, so that the temperature T of the metal member W1 can be quickly returned to the set temperature Ts. Therefore, the temperature T of the metal member W1 can always be maintained at the set temperature Ts.
  • a conductive heating and bonding apparatus 10 including the conductive and heating bonding jig 1 of the present invention will be described using FIG.
  • the same reference numerals are given to the same components of the above-described electrical heating and welding jig 1 and redundant description will be omitted.
  • the electric heating and bonding apparatus 10 of the present invention abuts a plurality of members to be joined with each other at a bonding surface S, and heats the bonding surfaces S while pressing, and the electric heating and heating of the present invention described above
  • a jig 1 a power source 7 for supplying a current to the pair of electrodes 4 of the heating / heating joining jig 1 via the plug 71, and a pressing unit 8 pressing the members to be joined with each other at the joining surface S Mainly composed.
  • a main combination of members to be joined is a metal member W1 made of metal and a resin member W2 made of resin.
  • a metal member W1 made of metal is a metal member W1 made of metal and a resin member W2 made of resin.
  • resin members it is also possible to join resin members.
  • metal members via resin it is also possible to join metal members via resin.
  • the material of the metal member W1 is not particularly limited as long as it is a conductive metal.
  • examples thereof include steel materials such as stainless steel, single non-ferrous metals such as copper, aluminum and zinc, and metal materials such as various alloys including aluminum, nickel, chromium, titanium, copper and the like.
  • the resin member W2 is a resin
  • the material is not particularly limited.
  • various synthetic resins and natural resins containing polyphenylene sulfide (PPS) polyamide (PA) can be mentioned.
  • the metal member W1 is described as having a disk shape, and the resin member W2 is described as having a cylindrical shape.
  • the resin member W2 is in contact with the metal member W1. This contact portion is the bonding surface S.
  • the bonding surface S of the metal member W1 and the resin member W2 is preferably a rough surface, but may be a mirror surface.
  • the power source 7 here is an inverter control pulse power source.
  • the power supply 7 includes a rectifier circuit, an inverter having a diode and a thyristor, and the pulse waveform of the pulse to be generated, the pulse width, the pulse interval, the current, the voltage, and other characteristic elements can be changed by a control unit (not shown). ing.
  • the pressing unit 8 is for pressing the metal member W1 and the resin member W2 with the bonding surface S.
  • the configuration of the pressure unit 8 may be anything as long as it is for pressing the metal member W1 and the resin member W2 with the bonding surface S.
  • the contact member 2 of the electric heating bonding jig 1 At the same time, the pressing member 81 sandwiching the metal member W1 and the resin member W2, the drive source 82 for driving the pressing member 81, and the ball for transmitting the driving force of the driving source 82 and moving the pressing member 81 up and down It may be configured with the screw mechanism 83.
  • the pressure member 81 is formed in a substantially cylindrical shape in order to have versatility, but may be formed according to the shape of the member to be joined, or an intermediate according to the shape of the member to be joined A member may be interposed therebetween. Any material may be used as the material of the pressure member 81 as long as it has rigidity against pressure, but for example, a metal such as stainless steel, copper, molybdenum or tungsten may be used.
  • the pressure member 81 may have a cooling means for cooling the members to be joined.
  • the cooling means may be anything as long as it can cool the members to be joined, but for example, a cooling fluid such as tap water can be circulated in the flow path.
  • the flow path may be provided in the pressure member 81 itself, or the cooling block in which the flow path is formed may be disposed in close contact with the pressure member 81.
  • the drive source 82 here is a servomotor with a reduction gear.
  • An encoder is attached to the servomotor, and the servomotor is disposed on a rack (not shown).
  • the ball screw mechanism 83 includes a screw shaft extending in the vertical direction and having a screw groove formed on the outer peripheral surface, a nut having the screw groove formed on the inner peripheral surface, and a plurality of balls accommodated between the screw grooves. It is configured.
  • the nut is fixed to the upper portion of the pressure member 81 via an insulator made of bakelite or the like and a pressure sensor (not shown).
  • the screw shaft is connected to the rotation shaft of the servomotor via a reduction gear.
  • the pressurizing unit 8 regulates the displacement of the resin member W2 to apply pressure to the bonding surface S.
  • the pressurizing part 8 may have a pressure sensor which detects the pressure of the joint surface S.
  • the pressure sensor is, for example, a single-axis load cell that measures the pressure in the vertical direction, but a multi-axis pressure sensor may be used.
  • the pressure applied to the joint surface S of the metal member W1 and the resin member W2 can be indirectly detected by the pressure sensor.
  • the pressing unit 8 may further include an elastic force biasing unit 84 that biases the joint surface S of the metal member W1 and the resin member W2 with an elastic force.
  • the elastic force application means 84 is disposed between the base member 5 of the electric heating and welding jig 1 and the base 9 of the electric heating and welding apparatus 10.
  • the elastic force biasing means 84 includes, for example, a spring 84 a and a block 84 b for restricting the spring 84 a with the base member 5 to a preset length shorter than the free length.
  • the pressure exerted on the metal member W1 from the base member 5 pushed up by the elastic force applying means 84 varies depending on the material and the shape of the resin member W2, but is 5 to 100 N, for example. And this pressure can be changed by replacing the spring 84a. With such a configuration, even if thermal expansion or thermal contraction occurs in the members to be joined, it is possible to alleviate the rapid change in pressure acting on the joint surface S.
  • the pressurizing part 8 may be another structure, if it is for pressing to-be-joined members by joint surface S.
  • FIG. it is also possible to use one in which a weight is simply placed on the resin member W2 and the resin member W2 is pressed to the metal member W1.
  • the electric heating and bonding apparatus 10 of the present invention may further include a control unit for controlling the temperature of the bonding surface S (or the member to be bonded) and the pressure applied to the bonding surface S.
  • the control unit is configured of, for example, a CPU, a ROM, a RAM, an I / O, etc., and the operation unit and the display unit are electrically connected.
  • the operation unit includes various operation switches such as a start switch and a start switch, and an input panel including a touch panel. The information input from the operation unit is transmitted to the control unit.
  • detection signals are input to the control unit from the encoder, the pressure sensor, and the temperature sensor. Based on control information such as the detection signal, the information input from the operation unit, the set pressure Ps stored in the storage unit, the lower limit set pressure Ps1, the set temperature Ts, and the set holding time Hs, the control unit Output control signal to servo motor.
  • the set temperature Ts is a temperature that is higher by about 1 ° C. to several tens of degrees C. than the softening temperature of the resin member W 2 or the softening temperature of the resin member W 2.
  • the set temperature Ts is lower than the melting temperature of the resin member W2, and more preferably, the temperature is significantly lower than the melting temperature of the resin member W2.
  • a display unit is electrically connected to the control unit.
  • the display unit is composed of a digital display panel, a lamp and the like.
  • the display unit receives, from the control unit, information based on an input to the control unit or a calculation result in the control unit, and displays the information.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un gabarit destiné au chauffage et à la liaison par excitation et un dispositif de chauffage et de liaison par excitation le mettant en œuvre, grâce auxquels la forme d'une partie de chauffage peut être facilement modifiée en vue de correspondre à la forme d'un élément à lier, une surface de liaison ou similaire et l'élément à lier peuvent être efficacement chauffés. Un gabarit (1) destiné au chauffage et à la liaison par excitation chauffe une surface de liaison pendant un chauffage et une liaison par excitation pendant lesquels des éléments à lier sont liés les uns aux autres au niveau de la surface de liaison, le gabarit comprenant principalement les éléments suivants : un élément butée (2) présentant une surface de butée (21) venant en butée contre un élément à lier ; et un moyen de chauffage comportant un élément résistance chauffante (3), présentant une partie de fixation/retrait (31) apte à fixer/retirer l'élément butée (2), et une paire d'électrodes (4), et étant apte à chauffer l'élément résistance chauffante (3) en excitant une zone entre les électrodes (4).
PCT/JP2017/008893 2016-03-07 2017-03-07 Gabarit destiné au chauffage et à la liaison par excitation, et dispositif de chauffage et de liaison par excitation le mettant en œuvre WO2017154866A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780011780.1A CN108698336A (zh) 2016-03-07 2017-03-07 通电加热接合用夹具及使用其的通电加热接合装置
JP2018504491A JPWO2017154866A1 (ja) 2016-03-07 2017-03-07 通電加熱接合用治具およびそれを用いた通電加熱接合装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-042966 2016-03-07
JP2016042966 2016-03-07

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WO2017154866A1 true WO2017154866A1 (fr) 2017-09-14

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PCT/JP2017/008893 WO2017154866A1 (fr) 2016-03-07 2017-03-07 Gabarit destiné au chauffage et à la liaison par excitation, et dispositif de chauffage et de liaison par excitation le mettant en œuvre

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JP (1) JPWO2017154866A1 (fr)
CN (1) CN108698336A (fr)
WO (1) WO2017154866A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008221630A (ja) * 2007-03-13 2008-09-25 Nitta Ind Corp 平ベルトの融着用治具および融着プレス装置
WO2010116567A1 (fr) * 2009-04-10 2010-10-14 Sakamoto Atsunobu Élément chauffant de soudeuse par impulsions recouvert de céramique
WO2013122196A1 (fr) * 2012-02-16 2013-08-22 Ｅｃｏ－Ａ株式会社 Dispositif et procédé de jonction de chauffage électrique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008221630A (ja) * 2007-03-13 2008-09-25 Nitta Ind Corp 平ベルトの融着用治具および融着プレス装置
WO2010116567A1 (fr) * 2009-04-10 2010-10-14 Sakamoto Atsunobu Élément chauffant de soudeuse par impulsions recouvert de céramique
WO2013122196A1 (fr) * 2012-02-16 2013-08-22 Ｅｃｏ－Ａ株式会社 Dispositif et procédé de jonction de chauffage électrique

Also Published As

Publication number Publication date
JPWO2017154866A1 (ja) 2019-01-31
CN108698336A (zh) 2018-10-23

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