Fastening device for fastening small components to a mounting surface by adhesive bonding
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05B-006/14
H05B-006/40
H05B-006/36
출원번호
US-0520232
(2006-09-13)
등록번호
US-7371303
(2008-05-13)
우선권정보
DE-10 2004 012 786(2004-03-15)
발명자
/ 주소
Schmitt,Klaus Gisbert
출원인 / 주소
Newfrey LLC
대리인 / 주소
Harness, Dickey & Pierce, P.L.C.
인용정보
피인용 횟수 :
9인용 특허 :
6
초록▼
A fastening device for fastening a small component, in particular a stud provided with an adhesive flange, to a mounting surface using a heat-activated adhesive that creates an adhesive bond between the component and the mounting surface, has an induction coil to heat the component and/or the adhesi
A fastening device for fastening a small component, in particular a stud provided with an adhesive flange, to a mounting surface using a heat-activated adhesive that creates an adhesive bond between the component and the mounting surface, has an induction coil to heat the component and/or the adhesive and a holding mechanism which holds the component while the fastening device moves to the bonding position. On the side facing the mounting surface is a bearing surface for the component toward which the component can be brought from outside. The holding device can be advanced to the component by the induction coil and has an electromagnet for generating a holding force that is directed toward the bearing surface.
대표청구항▼
What is claimed is: 1. A fastening device for fastening a component provided with an adhesive flange to a mounting surface using a heat-activated adhesive that creates an adhesive bond between the component and the mounting surface, the fastening device comprising: a coil carrier having a through b
What is claimed is: 1. A fastening device for fastening a component provided with an adhesive flange to a mounting surface using a heat-activated adhesive that creates an adhesive bond between the component and the mounting surface, the fastening device comprising: a coil carrier having a through bore; a holding device extendable into the through bore including an electromagnet operable to create a holding force to hold a first end of the component when the fastening device is positioned in a bonding position, the first end being insertable into the through bore from outside the fastening device until a second end of the component defining a bearing surface larger than the through bore is oriented facing the mounting surface; and an induction coil positioned on the coil carrier operable when energized to inductively heat the component and the adhesive; wherein the holding device is retractable from the component following creation of the adhesive bond. 2. The fastening device of claim 1, further comprising a DC voltage source connectable to the induction coil at least during the holding phase. 3. The fastening device of claim 1, wherein the holding device further comprises a guide element positionable in the through bore. 4. The fastening device of claim 3, wherein the guide element comprises a magnetically soft material operable to concentrate a magnetic field to magnetically hold the component during the holding phase. 5. The fastening device of claim 4, comprising an actuating device operable to move the guide element out of the through bore. 6. The fastening device of claim 5, wherein the guide element comprises a magnetically weak plastic material. 7. The fastening device of claim 5, wherein the guide element comprises an electromagnet. 8. The fastening device of claim 5, wherein the guide element comprises a permanent magnet. 9. The fastening device of claim 3, comprising: an actuating cylinder oriented coaxial to the induction coil and connected thereto; and a piston rod slidably received in the actuating cylinder; wherein the guide element is fastened to an end of the piston rod. 10. The fastening device of claim 1, wherein the holding device comprises a gripper having gripper arms projecting into the induction coil through bore. 11. The fastening device of claim 10, comprising a guide element wherein the gripper is connected to the guide element. 12. The fastening device of claim 11, further comprising an actuating device wherein the gripper is moveable along a direction of an axis of the coil by the actuating device. 13. The fastening device of claim 12, further comprising a drive, wherein the gripper arms are moveable between an open position and a closed position by the drive. 14. The fastening device of claim 1, further comprising: a support ring axially extending from the coil carrier; wherein the holding mechanism is operable to draw a flanged end of the component into contact with the support ring when the fastening device is positioned in the bonding position. 15. The fastening device of claim 1, comprising a shield tube made of a magnetically soft material positioned within the through bore having a shield tube bore operable to slidingly receive the first end of the component. 16. A fastening device for fastening a component provided with an adhesive flange to a mounting surface using a heat-activated adhesive that creates an adhesive bond between the component and the mounting surface, comprising: an induction coil retained by a coil carrier, the induction coil operable to heat at least one of the component and the adhesive, the induction coil having an axis; a holding device operable to hold a first end of the component when the fastening device is positioned in a bonding position, the first end being insertable into a through bore of the induction coil from outside the fastening device until a second end of the component defining a bearing surface larger than the through bore is oriented facing the mounting surface; and a housing having the holding mechanism displaceably positioned therein, the induction coil and the holding device together defining an assembly supported by the housing to be movable along the axis between two end positions; wherein the holding device is operable to temporarily hold the component in contact with the coil carrier with a holding force directed toward the bearing surface. 17. The fastening device of claim 16, wherein the holding device further comprises: a guide element operable to contact the component; and a coil positioned proximate to the guide element, the coil operable to generate a magnetic field through the guide element to magnetically hold the component in contact with the guide element. 18. The fastening device of claim 17, further comprising: a through bore of the coil carrier; a conical shaped male end of the component; and a conical shaped female recess created in the guide element operable to receive the conical shaped male end of the component and adapted to center the component within the through bore of the coil carrier. 19. The fastening device of claim 18, comprising: an intermediate member positioned between the housing and the coil carrier; and at least one guide pin extending outwardly from the intermediate member, the guide pin slidably positioned within a longitudinal slot created in the housing, the guide pin operable to allow longitudinal motion of the assembly along the axis and prevent rotation of the assembly about the axis. 20. The fastening device of claim 16, further comprising a biasing device positioned between the assembly and the housing, the biasing device operable to bias the assembly toward one of the two end positions. 21. The fastening device of claim 16, comprising a linear motor drive operable to move the assembly to each of the two end positions. 22. The fastening device of claim 16, comprising a clamping fixture, wherein the assembly is operably held in at least one of the end positions by the clamping fixture. 23. A fastening device for fastening components provided with an adhesive flange to a mounting surface using a heat-activated adhesive that creates an adhesive bond between the component and the mounting surface, comprising: an induction coil retained by a coil carrier, the induction coil operable to heat at least one of the component and the adhesive, the induction coil having an axis; a holding device operable to releasably hold a first end of the component when the fastening device is positioned in a bonding position, the first end being insertable into a through bore of the induction coil from outside the fastening device until a second end of the component defining a bearing surface larger than the through bore is oriented facing the mounting surface; and a housing having the holding mechanism displaceably positioned therein, the induction coil and the holding device together defining an assembly supported by the housing to be movable along the axis between two end positions; and a robot having an arm, the housing being one of rigidly or movably attached to the arm of the robot; wherein the holding device is operable to temporarily hold the component in contact with the coil carrier with a holding force directed toward the bearing surface and the robot is operable to move the assembly to the bonding position. 24. The fastening device of claim 23, further comprising: a carriage guide fixedly connected to the robot arm; and a carriage connected to the housing the carriage longitudinally movable with respect to the carriage guide parallel to the axis. 25. The fastening device of claim 23, further comprising a rotary drive, the housing supported on the robot arm rotatable about an axis oriented transverse to the coil axis and moveable to different angular positions and locked in any of the different angular positions by the rotary drive. 26. The fastening device of claim 23, further comprising a feed device connectable to the robot arm, the fastening device on the robot arm being pivotable to a loading position in which a next component is operably fed into the holding device. 27. A method for adhesively fastening a component having an adhesive to a mounting surface using an induction coil connected to a coil carrier, a holding device, and a housing, the method comprising: supporting the induction coil and the holding device together defining an assembly from the housing, the assembly movable along an axis of the induction coil between two end positions; creating a holding force using the holding device to temporarily hold the component in contact with the holding device; moving the assembly and the component until the component contacts the mounting surface; energizing the induction coil to heat at least one of the component or the adhesive; and inserting a first end of the component into a through bore of the induction coil from outside the fastening device until a second end of the component defining a bearing surface larger than the through bore is oriented facing the mounting surface prior to the creating operation. 28. The method of claim 27, further comprising energizing a magnet during the creating operation to generate the holding force. 29. The method of claim 27, further comprising connecting a magnet to the holding device prior to the creating operation. 30. The method of claim 27, further comprising: de-energizing the induction coil after an adhesive bead is created following the energizing operation; and retracting the holding device from the component.
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