Lever arm suspension for use in an adhesive application head and adhesive application head with lever arm suspension
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05C-005/02
B05C-011/10
출원번호
US-0981854
(2011-06-07)
등록번호
US-9296008
(2016-03-29)
우선권정보
DE-20 2011 000 179 U (2011-01-25)
국제출원번호
PCT/EP2011/059397
(2011-06-07)
§371/§102 date
20131114
(20131114)
국제공개번호
WO2012/100844
(2012-08-02)
발명자
/ 주소
Mueller, Heinz
Kaeppeli, Christoph
Huembeli, Felix
출원인 / 주소
ROBATECH AG
대리인 / 주소
Browdy and Neimark, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
10
초록▼
An application head for dispensing a flowable medium includes a nozzle chamber in the application head and a nozzle needle movably mounted in the nozzle chamber. A supply channel and a supply line introduce the medium into the nozzle chamber. A drive moves the movable element. A lever arm is movably
An application head for dispensing a flowable medium includes a nozzle chamber in the application head and a nozzle needle movably mounted in the nozzle chamber. A supply channel and a supply line introduce the medium into the nozzle chamber. A drive moves the movable element. A lever arm is movably fastened to the nozzle needle and connected to the drive. The lever arm extends through a membrane of a membrane suspension connect the lever arm movably to the application head and form a seal to prevent escape of the flowable medium. Alternatively, a rocker suspension has a lever arm connectable to the movable element and the drive, a plate element has an opening through which the lever arm extends, a rocker mounting device connects the lever arm movably to the application head and a sealing device prevents any escape of adhesive from the chamber through the plate element opening.
대표청구항▼
1. A lever arm suspension (133), which is designed for use in an adhesive application head (115), wherein the application head (115) comprises: a chamber (10) in the interior of the application head (115), a movable element (111), which is mounted movably in the interior of the chamber (10) and whic
1. A lever arm suspension (133), which is designed for use in an adhesive application head (115), wherein the application head (115) comprises: a chamber (10) in the interior of the application head (115), a movable element (111), which is mounted movably in the interior of the chamber (10) and which releases an outlet opening through an opening movement (P), a drive (20) for generating the opening movement (P) of the movable element (111),wherein the lever arm suspension is a rocker suspension (133) with: a lever arm (130) which can be connected to the movable element (111) and the drive (20) in order to convert a drive-side movement (PI) into the opening movement (P) of the movable element (111),a plate element (160) having an opening (162) through which the lever arm (130) extends,a rocker mounting device (140) which is designed to connect the lever arm (130) movably to the application head (115) anda sealing device (180) which is configured to prevent any escape of adhesive from the chamber through the opening (162) in the plate element (160), wherein the rocker mounting device (140) comprises:a rocker element (142) which is rigidly connected to the lever arm (130) and has a longitudinal direction (144) as well as a first (146) and second (148) mounting point, wherein the longitudinal direction (144) extends substantially perpendicular to the lever arm (130) and in a plane parallel to the plate element (160) and wherein the first and the second mounting point (146,148) are disposed spaced apart along the longitudinal direction (144) and a first (152) and a second (154) support device which are disposed on a rocker bearing side of the plate element (160) and are configured to support the first or second mounting point (146,148),wherein the sealing device (180) comprises an O ring (172) which is disposed on the side of the rocker element (142) around the opening (162),wherein the plate element (160) on the side of the rocker element (142) has a plate-element-side O ring seat (173) surrounding the opening (162) and that the rocker element on a side facing the plate element (160) has a corresponding rocker-element-side O ring seat (143), andwherein the plate-element-side O ring seat (173) is configured as a flange (173.1) formed on the rocker-element-side outlet of the opening (162) around the opening (162) having a first contact surface (173.2) parallel to the plate element plane and a cylindrical inner-wall shaped second contact surface (173.2) for an outer circumference of the O ring (172) and that the rocker-element-side O ring seat (143) is configured as a flange (143.1) formed on the side of the rocker element (142) facing the plate element (160) having a first contact surface (143.2) parallel to the plate element plane and a cylindrical outer-wall-shaped second contact surface (143.3) for an inner circumference of the O ring (172). 2. The lever arm suspension (133) according to claim 1, wherein the first and the second support device (152,154) is configured as a first (153) and a second (155) ball,the plate element (160) on a side facing the rocker element comprises a first (164) and a second (166) recess each configured as a plate-element-side ball seat (165,167) andthe rocker element on a side facing the plate element (160) comprises a first (156) and a second (158) recess each configured as a rocker-element-side ball seat (157,159). 3. The lever arm suspension (133) according to claim 2, wherein the diameter of each plate-element-side recess (164, 166) is approximately 0.1 mm greater than the diameter of the balls (153, 155) so that the first or second balls (153, 155) in the plate-element-side recess (164, 166) rests on an adhesive film and that the first or second ball (153, 155) is pressed in the first or second rocker-element-side ball seat (157, 159). 4. The lever arm suspension (133) according to claim 2, wherein the diameter of each rocker-element-side recess (156, 158) is approximately 0.1 mm greater than the diameter of the balls (153, 155) so that the first or second balls (153, 155) in the rocker-element-side recess (156, 158) rests on an adhesive film and that the first or second ball (153, 155) is pressed in the first or second plate-element-side ball seat (165, 167). 5. The lever arm suspension (133) according to claim 1, further wherein a spring element (190) which pre-tensions the rocker element (142) in the direction of the plate element (160) and the mounting points (146, 148). 6. The lever arm suspension (133) according to claim 5, wherein the spring element (180) is a spiral spring (182) which is disposed on the side of the plate element (160) opposite the rocker bearing side around the lever arm (130). 7. The lever arm suspension (133) according to claim 5, wherein on the plate element side opposite the rocker bearing side has a plate-side seat (186) for the spring element (180) disposed around the opening (162) and that the lever arm at an outer drive-side end has a lever-arm-side seat (186.2) for the spring element (180) formed as a flange (186.1). 8. The lever arm suspension (133) according to claim 7, wherein the lever arm (130) is formed in two parts and on the rocker bearing side comprises a first sub-arm (136) which can be connected to the movable element (111) and on the side opposite the rocker bearing side comprises a second sub-arm (138) which can be connected to the drive (20). 9. The lever arm suspension (133) according to claim 8, wherein the second sub-arm (138) comprises a screw nut (138.1), a screw rod (138.2) having a screw nut thread (138.3) and a screw thread (138.4) which engages at an outer end in a complementary internal thread (136.1) in the first sub-arm (136) and a sleeve (186) which has the lever-arm-side seat (186.2) for the spring element (180) configured as a flange (186.1) and through which the screw rod (138.2) extends. 10. An adhesive application head (15,115) for dispensing a flowable adhesive (M) comprising: an interior chamber (10), an outlet opening (12), a movable element (11) which is movably mounted in the interior of the chamber (10) wherein the outlet opening (12) can be released or closed by an opening movement (P) of the movable element (11, 111),a supply channel (13) which is fluidically connected to the chamber (10), in order to be able to introduce the flowable adhesive (M) into the chamber (10),a drive (20) for generating the movement (P) of the movable element (11, 111),wherein the adhesive application head (15) comprises a lever arm suspension, the lever arm suspeension comprising a rocker suspension (133) comprising: a lever arm (130) which can be connected to the movable element (111) and the drive (20) in order to convert a drive-side movement (PI) into the opening movement (P) of the movable element (111),a plate element (160) having an opening (162) through which the lever arm (130) extends,a rocker mounting device (140) which is designed to connect the lever arm (130) movably to the application head (115)a sealing device (180) which is configured to prevent any escape of adhesive from the chamber through the opening (162) in the plate element (160),wherein the rocker mounting device (140) comprises the following: a rocker element (142) which is rigidly connected to the lever arm (130) and has a longitudinal direction (144) as well as a first (146) and second (148) mounting point, wherein the longitudinal direction (144) extends substantially perpendicular to the lever arm (130) and in a plane parallel to the plate element (160) and wherein the first and the second mounting point (146,148) are disposed spaced apart along the longitudinal direction (144), anda first (152) and a second (154) support device which are disposed on a rocker bearing side of the plate element (160) and are configured to support the first or second mounting point (146,148),wherein the sealing device (180) comprises an O ring (172) which is disposed on the side of the rocker element (142) around the opening (162),wherein the plate element (160) on the side of the rocker element (142) has a plate-element-side O ring seat (173) surrounding the opening (162) and that the rocker element on a side facing the plate element (160) has a corresponding rocker-element-side O ring seat (143),wherein the plate-element-side O ring seat (173) is configured as a flange (173.1) formed on the rocker-element-side outlet of the opening (162) around the opening (162) having a first contact surface (173.2) parallel to the plate element plane and a cylindrical inner-wall shaped second contact surface (173.2) for supporting an outer circumference of the O ring (172), andwherein the rocker-element-side O ring seat (143) is configured as a flange (143.1) formed on the side of the rocker element (142) facing the plate element (160) having a first contact surface (143.2) parallel to the plate element plane and a cylindrical outer-wall-shaped second contact surface (143.3) for supporting an inner circumference of the O ring (172). 11. The adhesive application head (115) according to claim 10, wherein the first and the second support device (152,154) is configured as a first (153) and a second (155) ball,the plate element (160) on a side facing the rocker element comprises a first (164) and a second (166) recess each configured as a plate-element-side bail seat (165,167) andthe rocker element on a side facing the plate element (160) comprises a first (156) and a second (158) recess each configured as a rocker-element-side ball seat (157,159). 12. The adhesive application head (115) according to claim 10, wherein the diameter of each plate-element-side recess (164, 166) is approximately 0.1 mm greater than the diameter of the balls (153, 155) so that the first or second balls (153, 155) in the plate-element-side recess (164, 166) rests on an adhesive film and that the first or second ball (153, 155) is pressed in the first or second rocker-element-side ball seat (157, 159). 13. The adhesive application head (115) according to claim 10, wherein the diameter of each rocker-element-side recess (156, 158) is approximately 0.1 mm greater than the diameter of the balls (153, 155) so that the first or second balls (153, 155) in the rocker-element-side recess (156, 158) rests on an adhesive film and that the first or second ball (153, 155) is pressed in the first or second plate-element-side ball seat (165,167). 14. The adhesive application head (115) according to claim 10, further wherein a spring element (190) which pre-tensions the rocker element (142) in the direction of the plate element (160) and the mounting points (146, 148). 15. The adhesive application head (115) according to claim 14, wherein the spring element (180) is a spiral spring (182) which is disposed on the side of the plate element (160) opposite the rocker bearing side around the lever arm (130). 16. The adhesive application head (115) according to claim 14, wherein on the plate element side opposite the rocker bearing side has a plate-side seat (186) for the spring element (180) disposed around the opening (162) and that the lever arm at an outer drive-side end has a lever-arm-side seat (186.2) for the spring element (180) formed as a flange (186.1). 17. The adhesive application head (115) according to claim 16, wherein the lever arm (130) is formed in two parts and on the rocker bearing side comprises a first sub-arm (136) which can be connected to the movable element (111) and on the side opposite the rocker bearing side comprises a second sub-arm (138) which can be connected to the drive (20). 18. The adhesive application head (115) according to claim 17, wherein the second sub-arm (138) comprises a screw nut (138.1), a screw rod (138.2) having a screw nut thread (138.3) and a screw thread (138.4) which engages at an outer end in a complementary internal thread (136.1) in the first sub-arm (136) and a sleeve (186) which has the lever-arm-side seat (186.2) for the spring element (180) configured as a flange (186.1) and through which the screw rod (138.2) extends. 19. The adhesive application head (115) according to claim 10 wherein the drive (20) and the lever arm suspension (33, 133) are thermally substantially decoupled from one another by means of a thermal decoupling device (190) and are connected to one another in functional interaction. 20. The adhesive application head (15, 115) according to claim 19, wherein the thermal decoupling device (190) comprises an insulation plate (192) disposed between the drive (20) and the lever arm suspension and at least two cable tensioning devices (194) which each interconnect the drive (20) and the lever arm suspension. 21. The adhesive application head (15,115) according to claim 20, wherein the cable tensioning device (194) comprises a bolt (196) disposed between the drive (20) and the lever arm suspension and a tensioning cable (198) which extends through the bolt (196) and is anchored at one end by a drive-side anchoring (199.1) in the drive (20) and at an other end is anchored in a lever-arm-side anchoring (199.2) in the lever arm suspension.
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이 특허에 인용된 특허 (10)
Warning ; Jr. Walter B. (Shaumburg IL), Contact type liquid applicator.
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