WO2016105304A1

WO2016105304A1 - Transport mechanism for a cleaning system of a tyre mould

Info

Publication number: WO2016105304A1
Application number: PCT/TR2015/000386
Authority: WO
Inventors: Ismet YUZER; Mustafa Hami YUCEL; Okan DENIZLI; Sezgin HATIPOGLU
Original assignee: Lang Yuzer Otomotiv Yan Sanayi Ve Ticaret Anonim Sirketi
Priority date: 2014-12-25
Filing date: 2015-12-25
Publication date: 2016-06-30

Abstract

The invention provides a carriage (1) standing a base (4) thereon; and the base (4) attached to a lifting arm (10) via an upper pivot (11); a basket (50) rotatably hinged manner a transport mechanism comprising a holder part (30) for the tyre molds cleaning device. Transport mechanism comprises intermediate arm (20), extending in order to assembly distal end (12) of the lifting arm (10) and holder part (30) pivoted at one end of its to the holder part (30) from the other end to the distal end (12).

Description

TRANSPORT MECHANISM FOR A CLEANING SYSTEM OF A TYRE MOULD

SPECIFICATION

TECHNICAL FIELD

This invention relates to a system to cleaning the tyre curing molds used in production of vehicle tyre using dry ice.

THE PRIOR ART

Two-piece molds are used in the manufacture of vehicle tyres for curing and placed on one over the other having one part as an upper part which is vertically movable to become unfold and a lower part. The vulcanization process takes place in these molds and removal of rubber residues via cleaning is required that are located generally in the upper mold part, and on the recesses forming the tire treads at mold or other surfaces and sides of lower mold part. The spraying dry ice via a nozzle to interior body of the mold when is non-destructive cleaning to be done is well known. This process causes a noise on the line which is over the job safety limits for the operator side. International patent publication numbered as WO9807548A1 discloses a method and apparatus for use of frozen gas pellets with the help of robotically controlled apparatus in the cleaning the tyre mold. Accordingly, the hot mold is taken into a soundproof cabinet and wherein a nozzle at the end of a robot arm, which the frozen gas pellets, are directed to the mold surface to be cleaned by these nozzles. Handle is to be rotated on the one turntable for cleaning entire mold surface. The mold is removed from the cabinet after operation. Preferred frozen gas is C02 in order to access micro-scale aperture and not to have abrasive effect on the mold. Recommended embodiment requires a transport apparatus for transferring the molds to a insulatied cabinet. Also, the molds to be cleaned has to be removed from its placement. In both cases increases production costs, too.

US6406360 numbered U.S. Patent discloses cleaning assembly for a vulcanization mold comprising an insulation hood placed on the carrying device and displaced upwardly and transversely via that boom and wherein a spray nozzle which is inside the insulation hood and a manipulation device that is bearing it.

Insulating hood is attached to the outer periphery of the mold to be cleaned via an adapter ring for providing encapsulation against sprayed material both the lower and the upper mold, and it is remains suspended on the movable extension arm of the cleaning car having cardan connection that is mounted to the ground for the transfer of the insulation hood to tyre curing mold. BRIEF DESCRIPTION OF THE INVENTION

The purpose of the invention, is to provide cleaning machine easy of approach accessibility to the mold even though there are different tyre curing molds. The invention is a transport mechanism for tyre mold cleaning device to achieve the said object, comprising a base standing on a carrying car; a lifting arm attached to the base with an upper joint; a holder part that provides a basket is jointed as rotatable manner using the holder part. The preferred embodiment of the invention comprises an intermediate arm h^*ich extends as connecting the distal end of the lifting arm and a holder part and one end of this arm is jointed to the holder part and the other end swivel-hinged to the distal end. The basket is easily engaged to the mold just after fixing the car on the ground to near the barriers getting round the barrier by help of intermediate arm whereas the hard-to-reach position difficulties even as complex emplacements of molds.

A preferred embodiment of the invention comprises an U arm articulated to the lateral wall of the basket from reciprocal free ends thereof which a holder part thereto articulated rotatingly. U arm allow basket rotation for being secured to not only vertical but also horizontaly opening moulds.

A possible embodiment, the base pivoted to the car at the extending axis of the base. Thus, the lifting arm can be rotated at the vertical rotary axis from the proximal end thereof.

According to possible embodiment, the first joint comprise a first pin am and a second pin, between the distal end and the intermediate arm, respectively one of is located the at the distal end the other one is located at the intermediate arm with a bearing which holds the first pin and the second pin. Pins and their holding bearings composed joint which allows easy adapted to lifting arm in order to obtain a compact joint structure.

According to one possible embodiment, the double bearings structred mutually, one of is at the upper side and the other one is of the lower side of the first and second pins. Thus, lifting arm obtaiened enhanced joint structure by holding both upper part and as well as lower part in the case of structured as a profile and having more than one layer.

According to a possible embodiment, the bearings is flat in shape. In this case, negative effects of the joint on the thickness of the lifting arm has been decreased.

According to a possible embodiment, the rotary axis of of the holder part is parallel with the distal end of the lifting arm. In this case, it provides extending towards to the tyre mold which in the high position and changing the position of the basket in convenient with the mold that opens vertically. In accordance with a possible embodiment, the rotation axis of the opposing first and second endpiece of the intermediate arm is perpendicular to the rotation axis of the lifting arm. In this case, lifting arm provides rotary movement upwardly and downwardly according to the car as exemplified whereas intermediate arm provides rotation to the sideways that is perpendicular to that movement

In accordance with a possible embodiment, the length of intermediate arm is greater than the length of holder part. This situation allows the basket to move to the left and to the right easily whereas it provides less jolt of the basket by reducing vibration of the intermediate arm.

In accordance with a possible embodiment, the pivoted rotation axis of the first endpieces and second endpieces are parallel. This situation prevents the altering the slope of intermediate arm whereas contributed to the positional changes of the basket.

DESCRIPTION OF THE FIGURES

The additional features and advantages of the invention will be disclosed by reference to the following sample embodiments, taken with the accompanying drawings, in which:

Figure 1 is a schematic side view of the representational vehicle embodiment that is carrying the cleaning apparatus of the invention.

Figure 2 is a schematic top view of the embodiment inside the Figure-1.

Figure 3 is a perspective view of a vehicle carrying the cleaning apparatus of the invention. REFERANCE NUMBERS

1 Carriage 26 Panel

2 Wheel 30 Holder part

3 Cap 40 U shaped arm

4 Base 42 Pivot

5 Joint part 44 Adjustment mechanism

6 Fin 50 Basket

10 Lifting arm 60 Inner ring

1 1 Upper pivot 70 First pivot

12 Distal end 71 Lamel

13 Proximal end 72 First pin

20 Intermediate arm 73 Second pin 22 First endpiece 74 Bearings

24 Second endpiece 80 Second joint

A, B, F Vertical rotation axis C, D, E Horizontal rotation axis

L Elevation direction

DETAILED DESCRIPTION OF THE INVENTION

The side view of the transport mechanism is shown as a schematic drawing where a movable basket (50) is mounted to the cleaning equipment (not shown) in order to fasten to the tyre mold halves from the open-ended frontal surface at Figure 1. In Figure 2 the diagram shown from top. According to these, a carriage (1 ) is configured in a movable manner to the different directions within the facility of the tyre molds via wheels (2) that are placed on the base. A lifting arm (10) articulated on a proximal end (13) with the help of an upper pivot (11) on the base (4) upper end whereby it is movable towards the rise direction over the carriage and is rotatable over the vertical rotation axis (F) which is being also its own extension axis. Upper pivot (11) allows to turn on the horizontal rotation axis (E). A first endpiece (22) of the an intermediate arm (20) fastened to the distal end (12) of the lifting arm (10) by means of a first pivot (70), while a second endpiece (24) fastened to the holder part (30) is connected to the basket (50) by means of second pivot (80). The first and the second pivots (70, 80) have a rotational freedom as parallel to each other at the vertical axis of rotation (A, B). The holder part (30) is nearly cardan structure. It assembled the basket (50) using that formed part as U shaped arm (40) having a pivot (42) to provide the basket (50) to be rotated on the horizontal rotation axis (C, D).Thus, positioning in a manner of frontal surface connection by upturning open-ended facet having cleaning equipment as standing half mold in open position vertically or by keeping straight and standing half mold in open positioned horizontally allowing the freedom of movement to the basket (50) As the holder part (30) and U shaped arm (40) can be secured together to the each other, as well as demounted with a rotary pivot.

An imaginative embodiment of a transport mechanism as the subject of the present invention (1) assembled to a carriage (1) shown from perspective view in the Figure 3. An upper pivot (11) is provided at edge part of cap (3) on where A base (4) provided on the carriage (1 ) . In the present embodiment, the upper pivot (11) consists of the cylindrical rods of H profiles attached thereto circular holes disposed on the end section of the lifting arm(10), and it (11) is assembled together with the cap (3) in a forward facing manner with the carriage (1). Thus, the upper pivot (11 ) is such a cylindrical pivot structure. There is a link part (5) of under the lifting arm (10) in parallel with its. Link part (5) prevents a turnaround of the lift arm (10) towards the carriage the by limiting rotational freedom that is provided by upper pivot (11 ) which disposed at the proximal end (13) so that to avoid any kind of movement inversely link part (5) coupled with lifting arm (10) by means of a fin (6) from the distal end (12) and and then coupled with the upper pivot (11) from the proximal end ( 3) forms a four bar mechanism with conjunction of these parts. The first pivot (70) formed as a cylindrical pivot at the distal end (12) of the lifting arm (10). In order to provide first pivot (70), there are a first pin (72) and a second pin (73) on the lamel (71 ) which are fastened as parallel to each other and as having space them.

. Birinci pirn (72) ve ikinci pirn (73) sirasiyla uzak uctan (12) kaldirici kola (10) ve birinci ucundan (22) ara kola (20) bagli kisimlarda yataklanarak mafsal olusturmustur. Burada birinci pimin (72) ve ikinci pimin (73) tutuldugu bir yatak (74) bulunmaktadir. Tercihen yatak (74) yassi formdadir. Burada mafsalin kaldirici kolun kalinligi iizerine menfi etkisi azaltilmaktadir.

Pivots has been formed by means of housing of the first pin (72) and second pin (73) at the lifting arm (10) at its distal end (12) and intermediate arm (20) at its first end respectively. There is a bearing (74) where the first pin (72) and second pin (74) is received. The bearing (74) is in a flat form. This alleviate the negative effect of the pivot against thickness of the holding arm.

At the second end (24) of the intermediate arm (20), there is a a second pivot (80) and its structure is similar-to the first pivot (70) which located at first end (22). The second joint (80) coupled the holder part (30) to the intermediate arm (20), in a freely rotatable manner. The length of intermediate arm (20) is shorter than lifting arm(10) and greater than holder part (30) . Thus, it provides rotation of the basket (50) on the vertical axis by working direction as a bow drawing at the endpiece of lifting arm(10) without disturbing the balance of carriage (1 ). Intermediate arm (20) having a such structure as a panel (26) has been strengthened against tensile produced by forthcoming loads from the first and second pivot (70, 80) to the intermediate arm (20).

In a embodiment as shown in Figure 3, a pivot (42) of the U shaped arm (40) is equipped with an adjustment mechanism (44). The adjustment mechanism (44) is featured provides locking with the adjusted angle. The adjustment mechanism (44) structured as a threaded nut lock assembly that is coupled to the pivot (42) as shown in figure. In an alternative embodiment, it is obvious that the basket (50) can be rotated automatically into a predetermined angle and can be locked within cited angle over the pivot (42) by a motor or similar drive element, the basket (50) having an open aperture and formed an inner ring (60) as a sheet structure that extending inward to this aperture and protect against the outer items that coming from this aperture. Intermediate arm (20) provides easy accessibility of basket (50) where the areas that are the carriage(1 ) having difficulties to reach in to mold facilities that placed in factories with a narrow layout. The intermediate arm (20) is either formed in one piece or having more than one arms that jointed each others. The first and second joints (70, 80) having a coaxial cylindrical pivot structure is featured on the reciprocal first and second endpiece (22, 24) of intermediate arm (20). Thus, both the first and second pivots (70, 80) resis by providing support against applied torsional forces onto the intermediate arm( 20). In a possible embodiment, two axis rotation of the basket (50) is possible in addition to the rotation of the lifting arm (10) on elogation axis or pivotal connection of the U shaped arm (40) to the holder part (30) in a radially movable manner according to the basket (50). A hydraulic piston which has been hidden at the base (4) of carriage (1) is used for lifting the lifter arm (10) from the upper pivot (11).

Claims

1. A transport mechanism for the tyre mold cleaning equipment having a carriage (1) standing on a base (4); an upper point (11 ) and a lifting arm (10) attached to the base (4); a holding part (30) hinged a basket (50) in a rotatable manner, characterized in that, intermediate arm (20) is extending in order to assembly a distal end (12) of the lifting arm (10) with the holder part (30) and pivoted at one end of its to the holder part (30) and from other end to the distal end (12).

2. A transport mechanism according to claim 1 , wherein holder part (30) pivoted rotatively and U arm (40) pivoted at the mutual free endpieces to the lateral wall of the basket(50)

3. A transport mechanism according to any one of the preceding claims, wherein the base (4) hinged to the carriage (1 ) in a pivoted manner at the extension axis.

4. A transport mechanism according to any one of the preceding claims, wherein between the distal end (12) and intermediate arm (20) existing respectively one of is on the distal end (12), and the other is on the intermediate arm (20) placed and a and a first pivot (70) comprises a first pin (72) and a second pin (73) and a bearings (74) is held the first pin (72) and the second pin (73).

5. A transport mechanism according to claim 4, the bearings (74) as one of is on the first pin (72) and as the the other one is bottom of the second pin (73) are mutually dual structure.

6. A transport mechanism according to claim 4 and 5, bearings (74) is strap shaped.

7. A transport mechanism according to any one of the preceding claims, distal end (13) of the lifting arm (10) and rotation axis of the holder part (30) are parallel to each other.

8. A transport mechanism according to claim 7, the pivot axis of the mutual first and second ends (22, 24) that are on the intermediate arm (20) are perpendicular to the rotation axis of lifting arm ( 0).

9. A transport mechanism according to any one of the preceding claims, the length of the intermediate arm (20) is greater than from the holder part (30).

10. A transport mechanism according to any one of the preceding claims, wherein the pivot rotation axis of the first and second ends (22, 24) are parallel to each other.