EP0220365A2 - Appareil pour enduire automatiquement les talons d'un pneumatique d'un agent mouillant - Google Patents

Appareil pour enduire automatiquement les talons d'un pneumatique d'un agent mouillant Download PDF

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Publication number
EP0220365A2
EP0220365A2 EP86106386A EP86106386A EP0220365A2 EP 0220365 A2 EP0220365 A2 EP 0220365A2 EP 86106386 A EP86106386 A EP 86106386A EP 86106386 A EP86106386 A EP 86106386A EP 0220365 A2 EP0220365 A2 EP 0220365A2
Authority
EP
European Patent Office
Prior art keywords
wetting
roller
tire
wetting roller
collecting container
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP86106386A
Other languages
German (de)
English (en)
Other versions
EP0220365B1 (fr
EP0220365A3 (en
Inventor
Horst Steffel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPEZIALMASCHINENBAU STEFFEL GmbH and Co KG
Original Assignee
SPEZIALMASCHINENBAU STEFFEL GmbH and Co KG
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 SPEZIALMASCHINENBAU STEFFEL GmbH and Co KG filed Critical SPEZIALMASCHINENBAU STEFFEL GmbH and Co KG
Priority to AT86106386T priority Critical patent/ATE64326T1/de
Publication of EP0220365A2 publication Critical patent/EP0220365A2/fr
Publication of EP0220365A3 publication Critical patent/EP0220365A3/de
Application granted granted Critical
Publication of EP0220365B1 publication Critical patent/EP0220365B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
    • B05C1/022—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles to the outer surface of hollow articles

Definitions

  • the vehicle tires are clamped on measuring or test rims. So that the tires can be easily detached from the test rims after the test process, the tires are wetted with a flowable wetting medium before being mounted on the bead.
  • the wetting medium is either in the form of a liquid or in paste form. It is known to apply the wetting medium by hand using a brush. This method is naturally disadvantageous for automatic production.
  • the invention is therefore based on the object of providing a device with which the wetting of the bead base of vehicle tires can be carried out automatically. With the aid of the device according to the invention, essentially only the bead base should be wetted with the lubricious medium.
  • a wetting station is assigned to a feed conveyor, which preferably conveys the tire horizontally.
  • a stop device in the wetting station holds and centers the tire horizontally so that a wetting roller can be immersed in the tire.
  • the wetting roller is rotatably mounted in a holding component about a vertical axis. The holding component is moved from a rest position into the working position and back by a corresponding adjusting device. In the working position, the wetting roller rests against the tire bead. In the rest position, the wetting roller is located outside the tire, preferably on its underside.
  • An application device is assigned to the wetting roller, with which the wetting medium is applied to the wetting roller.
  • the application device which is stationary relative to the wetting roller, is connected to a metering pump with which the wetting medium is metered to the application device.
  • a collecting container into which wetting medium drips from the wetting roller.
  • Tire and wetting roller must rotate relative to each other. It is conceivable for the wetting roller to run once around the inner circumference of the tire, the wetting roller rolling on the beads. It is more advantageous if the wetting roller is held in one place and the tire is set in rotation. The wetting Roll can be taken along by friction and therefore does not need its own drive. However, since the wetting medium is highly lubricious, it is preferable if the wetting roller is also driven in rotation.
  • a normal pump and a metering valve can also be provided.
  • the stop rollers are preferably mounted on a pivotable bearing component so that they can be pivoted away after the wetting process has ended and the tire can continue its way through the production system.
  • the holding component carrying the wetting roller is preferably attached to a swivel arm which is engaged by a spring.
  • the holding component is in turn movable vertically on the swivel arm and is preferably by means of two parallel adjustment cylinders adjusted in the vertical direction, the adjustment cylinders having continuous piston rods, the two ends of which are connected to the carriage carrying the wetting roller.
  • the spring mentioned gives the swivel arm and thus the wetting roller a predetermined force with which the wetting roller rests on the tire beads.
  • An adjusting cylinder acting on the swivel arm can pivot the swivel arm against the spring in order to disengage the wetting roller from the tire beads.
  • a groove is formed in an axially parallel vertical surface which runs directly on the circumference of the wetting roller or at a short distance from it.
  • the groove preferably begins at the top of the wetting roller and its length depends, among other things, on the viscosity of the wetting medium. The less viscous the wetting medium, the shorter the groove, since after it is on the wetting roller, the wetting medium continues to run down on the roller.
  • the groove preferably extends over the entire height of the wetting roller.
  • the groove is connected at the bottom to a channel in the applicator, which in turn connects to the Dosing pump is connected.
  • a collecting container is arranged below the wetting roller, which is also attached to the holding component. Unnecessary wetting medium running off the wetting roller collects in the collecting container. This is preferably arranged around the bearing or drive shaft of the wetting roller in such a way that the wetting medium does not get into the bearing or the drive. The device according to the invention is therefore not contaminated with wetting medium.
  • the collecting container preferably has an overflow. Therefore, liquid medium can get into another collecting container and be removed. Dust and particles that stick to the bead due to tire manufacture and abrasion collect in a sump in the collecting container. The collecting container therefore only needs to be emptied at very large intervals.
  • a cylindrical body can be used as the wetting roller.
  • the course of the so-called core flag of the tire bead is not exactly parallel to the tire axis. It is therefore expedient to carry out the wetting role in the form of a double cone, in which the tapering faces each other.
  • the cone angle is expediently chosen so that a full contact with the core flag is made possible.
  • the wetting roller is preferably made of aluminum in order to obtain low wear.
  • Each cone is preferably assigned an application device which can be connected to its own metering pump.
  • the dosing pump always delivers fresh wetting medium to the application device, so that it is ensured that only medium with the desired viscosity is applied to the beads of the tires. Numerous advantages are achieved with the device according to the invention. With the aid of the wetting roller according to the invention, only the bead feet are wetted with the wetting medium. A Soiling of production machines or tire rims is therefore excluded. With the aid of the device according to the invention, an exact metering of the wetting medium can take place.
  • the device according to the invention is suitable for all occurring viscosities of the wetting medium, ie for both liquid and pasty medium. The viscosity remains the same during operation, and with it the degree of wetting.
  • roller conveyors 11, 12 are arranged in parallel, which have rollers 13 and 14 in a known manner.
  • the rollers 13, 14 are driven by separate drives, not shown.
  • the drive for the roller conveyor 12 is reversible, so that the roller conveyor 12 can convey in both directions, as indicated by the double arrow 15.
  • the roller conveyor 11 only conveys in one direction, as indicated by the arrow 16.
  • the roller conveyors 11, 12 run horizontally. In the space between the conveyors 11, 12 there is wetting direction 17 arranged, which will be discussed below.
  • a bearing plate 18 is arranged above the roller tracks 11, 12 and parallel to the plane of the rollers 13, 14. Bearing rods 19 are connected to the plate 18 and project vertically downwards. Stop rollers 20 are rotatably mounted on the bearing rods 19.
  • stop rollers 20 are provided, each of which is assigned to a roller conveyor 11 or 12 in pairs. Their axes lie on a circular arc, the center of which lies on the center line between the roller tracks 11, 12. With the help of the roller conveyors 11, 12 tires are conveyed in the direction of the stop rollers 20.
  • the stop rollers 20 automatically center the tires, as shown in FIG. 1.
  • a tire 21 is shown in dash-dot lines in contact with the rollers 20.
  • a shaft 22 extends below the plate 18 and is rotatably supported at 23 and 24 in the frame 10 at both ends. As can be seen from FIG. 3, one end of the shaft is connected to a lever arm 25, the other lower end of which is connected at 26 to the piston rod of an adjusting cylinder 27.
  • the adjusting cylinder 27 is connected to the frame 10 at 28.
  • the shaft 22 is fixedly connected to the plate 18, for example by welding. If the adjusting cylinder 27 is actuated the plate 18 is pivoted about the axis of the shaft 22. As a result, the stop rollers 20 lift in the direction of the arrow 29 (FIG. 3). When the stop rollers 20 are pivoted in the manner described, a tire 21 can be conveyed further by means of the roller conveyor 11, 12.
  • roller conveyor 12 can be operated in both conveying directions. If the tire 21 lies against the stop rollers 20 and the roller conveyor 12 is driven in the rearward direction and the roller conveyor 11 is driven in the forward direction, the tire 21, resting against the stop rollers 20, is set in rotation. The rotation is counterclockwise.
  • the wetting device 17 is explained in detail in the following FIGS. 4 to 7.
  • a holding arm 30 which is pivotally mounted in the frame 10 at 32 and 33 by means of a vertical bearing rod 31.
  • Two adjusting cylinders are attached to the holding arm 30, one of which can be seen at 34 in FIG. 5.
  • the adjusting cylinders are arranged parallel to one another and have a continuous piston rod 35.
  • the piston rod 35 is connected at the ends at 36 and 37 to a slide 38.
  • the carriage 38 can therefore be raised and lowered vertically in accordance with the double arrow 39.
  • the two adjusters cylinders 34 are therefore both adjusting means and guide for the slide 38.
  • a spring 40 engages which biases the arm 30 in a first direction of rotation.
  • the arm 30 also engages the piston rod of an adjusting cylinder 41, with which the support arm 30 can be pivoted in the other direction of rotation against the spring 40.
  • a collecting container 42 is attached to the slide 38, which is designed as a plate.
  • the collecting container 42 has a central passage 43, through which a drive shaft 44 for a wetting roller 45 arranged above the collecting container 42 is passed.
  • the bearing 43 also contains the bearing for the drive shaft 44, which is not shown, however.
  • a pulley 46 is attached to the shaft 44 at the lower end.
  • a drive motor 48 is suspended from the collecting container 42 on a support arm 47 with a pulley 49. With the help of the motor 48, the shaft 44 can therefore be set in rotation and thus also the wetting roller 45.
  • the upper opening edge 50 of the collecting container 42 surrounds it at a radial distance lower area of the wetting roller 45.
  • a metering pump 51 is also attached to the carriage 38 and is driven by a pump motor 52.
  • the wetting roller 45 is assigned an application device 53. 6, it has an upright plate 54 which is arranged tangentially to the circumference of the wetting roller 45 (see also FIG. 1). It can lie directly against the wetting roller 45; it can also have a small gap with it, as shown at S in FIG. 7.
  • the surface 55 of the plate 54 facing the wetting roller 45 has a groove 56, the axis of which runs parallel to the axis of the wetting roller 45.
  • a vertical bore 57 is formed in the plate 54, which is connected to the groove 56 via a transverse bore 58. At the lower end of the bore 57, a further transverse bore 59 is provided, which is connected to a connection 60 for a line.
  • the plate 54 stands on a plate 61.
  • a block 62 on the plate 61 is connected to this and the upright plate 54.
  • the application device 53 shown in FIG. 6 is also firmly connected to the carriage 38 (see FIGS. 4 and 5).
  • connection 60 is connected via a line 64 to the output of the metering pump 51.
  • the metering pump 51 conveys fresh wetting medium from a container 65 fixed to the frame via lines 66 and 64 to the application device 53. If the wetting medium has a low viscosity, it is sufficient it if the application groove 56 has a relatively short length. It should also be mentioned that the application groove 56 approximately coincides with the upper end of the wetting roller 45. The more viscous the wetting medium, the longer the groove 56 must be selected. When using paste-like wetting agent, the groove can extend approximately over the entire height of the wetting roller 45, as indicated by the dashed line 67 in FIG. 6. The paste is fed to the dosing pump under pressure.
  • the wetting roller 45 can be pivoted and moved vertically in a horizontal plane with the aid of the support arm 30 and the slide 38. Before a tire 21 reaches the stop rollers 20, the wetting roller 45 is in a lower rest position below the roller tracks 11, 12.
  • the adjusting cylinder 41 holds the support arm in a position in which the wetting roller is within a range defined by the inner circumference of the smallest and largest tire 21 is defined. The tires can be fed to the system unsorted will. If the tire 21 has now reached the stop rollers 20, the carriage 38 is first moved upward, so that the wetting roller 45 is immersed in the tire 21. The adjusting cylinder 41 is then relieved.
  • the spring 40 now pivots the arm 30 until the wetting roller 45 rests with a predetermined pressure against the two beads (better bead feet) of the tire 21 with a predetermined contact pressure.
  • the tire 21 is rotated in the manner described above.
  • the wetting roller 45 is driven by the motor 48 at a predetermined speed.
  • the metering pump 51 conveys lubricious wetting agent to the application device 53, so that the bead feet are wetted over the entire circumference.
  • the adjusting cylinder 41 is pressurized again and the wetting roller 45 swings away from the bead feet.
  • the carriage 38 can now be adjusted downward into the rest position by the adjustment cylinders 34.
  • the wetting roller 45 is shown cylindrically. It can also be designed in the form of a double cone, wherein one cone can be brought into engagement with one and the other into engagement with the second bead of a tire.
  • the cone angle is adapted to the shape of the core flag.
  • One is preferred Cone assigned its own application device, which is connected to its own metering pump.
  • the application device can be designed in accordance with the embodiment according to FIG. 6.
  • the described operation of the wetting device can be carried out completely automatically by using a suitable control device; the control device detects the positions of the individual adjustable parts and gives the adjustment devices corresponding control signals according to a predetermined program.

Landscapes

  • Coating Apparatus (AREA)
  • Tyre Moulding (AREA)
  • Testing Of Balance (AREA)
  • Spray Control Apparatus (AREA)
  • Tires In General (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
EP86106386A 1985-09-20 1986-05-10 Appareil pour enduire automatiquement les talons d'un pneumatique d'un agent mouillant Expired - Lifetime EP0220365B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86106386T ATE64326T1 (de) 1985-09-20 1986-05-10 Vorrichtung zum automatischen benetzen des wulstfusses von fahrzeugreifen aus gummi mit einem benetzungsmedium.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/778,359 US4665860A (en) 1985-09-20 1985-09-20 Apparatus for automatically humidifying the bead of tires made of rubber with a humidifying agent
US778359 1985-09-20

Publications (3)

Publication Number Publication Date
EP0220365A2 true EP0220365A2 (fr) 1987-05-06
EP0220365A3 EP0220365A3 (en) 1988-08-10
EP0220365B1 EP0220365B1 (fr) 1991-06-12

Family

ID=25113070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106386A Expired - Lifetime EP0220365B1 (fr) 1985-09-20 1986-05-10 Appareil pour enduire automatiquement les talons d'un pneumatique d'un agent mouillant

Country Status (4)

Country Link
US (1) US4665860A (fr)
EP (1) EP0220365B1 (fr)
AT (1) ATE64326T1 (fr)
DE (1) DE3679768D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6676789B1 (en) 1999-05-20 2004-01-13 The Goodyear Tire And Rubber Company Tire building apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3658152A (en) * 1971-01-11 1972-04-25 Sparton Corp Tire bead lubricator
US3754358A (en) * 1969-08-12 1973-08-28 Goodrich Co B F Method for correcting non-uniformity in a rotating tire
US3825965A (en) * 1973-04-09 1974-07-30 Exxon Research Engineering Co Apparatus for cleaning tire inner-liners
US3852008A (en) * 1973-07-26 1974-12-03 Uniroyal Inc Apparatus for cooling tires during post-inflation
US4183321A (en) * 1978-03-16 1980-01-15 Ziegelmeyer Harold R Gluing mechanism for finger slotting machines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU417309A1 (fr) * 1971-05-18 1974-02-28

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754358A (en) * 1969-08-12 1973-08-28 Goodrich Co B F Method for correcting non-uniformity in a rotating tire
US3658152A (en) * 1971-01-11 1972-04-25 Sparton Corp Tire bead lubricator
US3825965A (en) * 1973-04-09 1974-07-30 Exxon Research Engineering Co Apparatus for cleaning tire inner-liners
US3852008A (en) * 1973-07-26 1974-12-03 Uniroyal Inc Apparatus for cooling tires during post-inflation
US4183321A (en) * 1978-03-16 1980-01-15 Ziegelmeyer Harold R Gluing mechanism for finger slotting machines

Also Published As

Publication number Publication date
EP0220365B1 (fr) 1991-06-12
US4665860A (en) 1987-05-19
ATE64326T1 (de) 1991-06-15
EP0220365A3 (en) 1988-08-10
DE3679768D1 (de) 1991-07-18

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