DE2455505A1 - APPARATUS AND METHOD FOR MANUFACTURING A PRESSURE GENERATING PRODUCT - Google Patents

Description

G 49 613 - see below

Company ZELON INDUSTRIES LIMITED, - 4755 Boulevard des Grandes
Prairies, MONTREAL , Quebec Provinces

and

Mr. Abraham Buddy LIEBERMAN, 4755 Boulevard des Grandes
Prairies, MONTREAL , Quebec (Canada)

Apparatus and method for manufacturing a pressure generating product

The invention relates to an improved apparatus and method for the rapid manufacture of a pressure generating product.

The invention mainly comprises a novel apparatus and method for continuously producing a pressurized product at a high throughput rate, wherein upper and lower main conveyors are provided with endless belts formed from plates. The individual ends or terminations of the panels
are with outer, endless main roller bearing link chains or; -linked chains and are powered by a suitable energy source. By including intermediate conveyors formed from endless roller bearing link chain units in the apparatus, independent movable support and pressure means are provided for the panels. Intermediate conveyors are supported independently of the main endless roller bearing link chains and are driven separately. - 2 -

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In the past, methods and apparatus for manufacturing used by foam boards and other articles where normal endless chain drive conveyors were provided with plates to To form endless belts or carriers, which are guided or pulled through pressure sections by the drive mechanism of the endless chain became. This tended to pull the panels apart somewhat, with the result that gaps were formed between them the plates formed. It was also necessary that the normal endless chains reduce the friction between the plates and the To overcome roller bearings, which formed part of the base or support for the endless chains, or to reduce considerably had. It turned out that it was impossible to do this satisfactorily, and hence it came about Grinding or resistance operation, which significantly reduced the effectiveness of the device and affected its volume output.

In such conveyors or other equivalent types, the plates were supported by fixed roller bearings during a high pressure caused plate deflections so that the resulting changes resulted in vertical movement of the plates. In other cases, fixed-ended roller bearings have been used, but the bulk of the metal used is extreme heavy machine structures required what an excessive Generated friction. They were also bulky and caused some inaccuracy in the series of roller bearings to shift of the plates and made it difficult to align them.

Earlier conveyors were designed in the manner of a conventional carrying conveyor or a pressure conveyor, its top and bottom plates were held during a reciprocal parallel displacement under increasing pressures or by pressures that of the between opposed plates of the upper and lower sections of the conveyor unit resulted from expanded material. Such earlier conveyors generally had low friction roller bearings, the axes of which were usually attached to the plates, and these roller bearings were in appropriate positions above or under the plates. In such systems the required

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applied pressures much more roller bearings under or over the Plates than they are in economic or physical terms could be used.

According to the object of the present invention, the unpleasant features and disadvantages are avoided that arise in those in the manufacture of products produced under pressure methods and devices used The previous limits are also to be overcome by a new method and device, which reduces the frictional resistance is greatly diminished by using device a number of Intermediate conveyors is installed. These consist of endless roller bearing link chain units and form an independently movable support and pressure device for the plates, taking them from the operating equipment of the endless main roller bearing link chains independently supported and driven separately. This is for the purpose of dragging the panels to the point where they will normally yield, which not only effectively reduces friction but also pulls the plates tightly together and therefore any gap between the plates can be avoided. According to the invention are intermediate conveyors to solve the given task using the plates and chains described above, which consist of endless roller bearing link chains, arranged below or above the plates. They cause an intermediate, movable support and pressure device for the plates and become operated independently of the actuator for the main chain drive conveyor. This will put the load on the panels significantly lightened or reduced by the main chain drive conveyor units, which accounts for most of the compliance of the disks on the endless roller storage chain units and the friction is considerably reduced. Furthermore, as the linear speed of the intermediate conveyors increases, the plates tend to increase above the speed of the main drive conveyors to a mutual convergence and to an avoidance intermediate column. +) in

According to the method according to the invention, the axes or

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Centers of roller bearings used which usually carry the load of the plates support, but the roller bearings can in this case be freely attached between the plates and the frame of the device turn fixed rails. Since the main weight of the endless apron conveyors is movably supported by the intermediate conveyor and is pressurized, the bulk of the load is taken from the main chain drive conveyor units raised, which just pull and guide the apron conveyors along the intermediate conveyor. Hence the panels, the ends of which are attached to the main chain drive conveyors, driven or pulled over the roller bearing surfaces, creating an overpass of the panels is based on their own weight in an operating weight.

It was found that when connecting the roller bearings As with simple, endless roller bearing chains, a maximum value of roller bearing surfaces is available via their axes that can withstand very strong pressures, for example when placing very heavy objects under rollers be moved. While the endless main roller bearing chains pull the plates with them through an energy source, the Intermediate conveyor torque-driven by a separate energy source, their feeding or movement takes place somewhat faster than the drive of the endless main roller bearing chains. One the purpose of this approach is to avoid slippage that could otherwise occur between the endless support roller chains would. By this measure, the plates are held in mutual contact position, which in the end results in approximately frictionless Sets of roller bearings results in the fact that the pressure of the load is practically removed from the axes of the roller bearings.

The axes of the roller bearings are now used to pull or drive the panels forward, as well as to distribute them evenly the many roller bearings one behind the other and as a driving force means without pulling the plates apart. The fact that the intermediate conveyor the workload of the main roller storage chains relieve, leads to a process according to which the conveyors can now extend over very long lengths,

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without a very large amount of power being used to pull the plates must become.

According to the invention an apparatus and a method for Maintaining a constant pressure over the entire length of the conveyor units ^ created, it being ensured that the top and bottom of the upper and lower sections of the conveyor units are parallel, flat, synchronized and with one minimal gap remains between the plates of the conveyor apron belts. Furthermore, the axes of the roller bearings are used for pulling or driving the plates forward as well as for evenly distributing the many roller bearings one behind the other and as a driving force means used without pulling the panels apart and without attaching them to the panels.

The device used for the continuous generation of foam and the manufacture of articles therefrom is simple to use clean and form a free-running or rolling or moving one System for transporting the foam and its associated Layer or wall material. At the same time the substance becomes in one continuous, controlled process into the required article, with no restrictions on the conveyor length and with an accuracy through fixed, precisely adjusted Printing sections is ensured. And finally, a braked or inhibited climb or swell principle is used to to grant maximum thixotropic dispersions of chemicals and votes. And finally, the device and that allow Process a continuous production of foamed and cored laminates and other articles in the form of continuous sections or individual panels.

The above and other objects and advantages of the invention result from the following description of a preferred, only exemplary embodiment shown in the drawings. Various details are included for convenience special designations occupied, which, however, a generic Should have meaning. Show it:

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Figure 1 is a perspective, fragmentary view of one according to the invention Contraption,

Figure 2 is a fragmentary vertical section of the device taken along line 2-2 of Figure 1;

Figure 3 - a longitudinal sectional view of the device along the line 3-3 in Figure 2,

Figure 4 is an enlarged, fragmentary, sectional view of the parallel portions of the upper and lower plates of FIG Showing the intermediate conveyors and their pressure engagement with the lower and upper sides of the one to be produced S chi cht,

Figure 5 is an enlarged fragmentary sectional view the arrangement of the upper and lower plates in relation to the main chain drive conveyor units and the intermediate ones, endless roller bearing link chain units of the intermediate conveyors,

Figure 6 is an enlarged, fragmentary, detailed sectional view showing the manner in which a panel is attached to one Main chain drive conveyor unit,

Figure 7 is an enlarged side view of a main drive conveyor unit fixed plate,

Figure 8 is a fragmentary perspective view of the underside a number of plates showing their manner of attachment to a main chain drive conveyor unit and the intermediate rail sections which can come into engagement with the intermediate conveyors, and

Figure 9 is a schematic view of the upper and lower main conveyors as well as the upper and lower intermediate conveyors of the device to represent an acceptable method, after which the main and intermediate conveyors are operated separately from each other by independent means will.

In describing an acceptable method and apparatus To carry out the invention, reference is made in the text and in the drawings to the manufacture of a pressure-generating product,

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referred to as a foam sheet, but may The invention can of course also be used for the manufacture of other products, be they rigid, flexible, cell-shaped or homogeneous.

In the drawings where corresponding parts in the various Figures are assigned similar reference numbers, the device designated by 15 consists of one or a number of main conveyor units 16 (only one conveyor unit is shown) that are interconnected and longitudinally aligned arranged and according to the length of the conveyor system required are trained. Each main conveyor unit consists of an upper main conveyor 17 and a lower main conveyor 18, which are arranged on top of one another and extend parallel to one another in the longitudinal direction.

The upper main conveyor 17 is, with outer, endless main roller bearing pivot chains 19 and 2o provided with support or auxiliary feed drive gears 21 and 22 in engagement stand. These are driven by a rear drive unit 23. Furthermore, the main conveyor comprises a head drive unit 26 driven main export gears 24 and 25. In Similarly, the lower main conveyor 18 is provided with outer, endless main roller bearing link chains 27 and 2.8, which with auxiliary or auxiliary feed drive gears 29 and 3o are engaged, which are driven by a rear drive unit 31. And finally, the lower main conveyor points main export gears driven by a head drive unit 34 32 and 33.

Each of the main conveyors includes an endless belt 35 formed from a series of plates 36, the plates in parallel Rows lie lengthwise against one another and with their ends 37 on the corresponding outer, endless main roller bearing link chains are attached, which in turn in the corresponding main drive gears intervention. Each plate has a smooth, flat outer surface and a channel member located on its underside

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38, which extends downwards and in the longitudinal direction of the plate and is formed integrally therewith. The channel member 38 consists of a pair of parallel L-shaped rod parts 39 and 4o, which are at a certain distance from the longitudinal edges 41 of the plate and their free ends inwardly on one another assign to form flat surfaces 42 and 43. A movable shoe or an intermediate section rail 44 is attached to these, which extends over the width of the plate and its longitudinal edges 41 and ends in recessed ends 45, which in recessed ends of aligned shoes or rails 44 secured to the channel members of adjacent panels are appropriate.

Each roller bearing link 52 of the outer roller bearing link chains consists of outer and inner strips or strips and 54, which end in rotary closures 55 and through each other Cross shafts 56 are connected, on which roller bearings 57 are rotatably mounted. The upper intermediate section of the inner link bar 54 extends laterally at a right angle to form a connecting plate 58 which extends into the channel member 38 from the Plate closure 37 of the plate 36 can be inserted and fixed on its underside by any suitable means is. For example, spacer sleeves or sockets 59 in the openings 6o inserted into connector plate 58 and in alignment with threaded countersunk holes formed in the underside of plate 36 61 are located. Fastening members 62 extend through spacer sleeves 59 into engagement with the Countersunk holes 61 of the plate, thereby attaching it to the inner link bar 56 is attached and at the same time a limited Vertical displacement between the roller bearing member 51 and the plate is possible.

Intermediate conveyors 46 are arranged in the main conveyors 17 and 18, which consist of a number of inner, endless roller bearing link chain units 47 and one independently movable Effect support and pressure device for the plates. The units are independently supported and separated from the outer,

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endless main roller bearing link chains of the conveyors 17 as well 18 powered.

The middle or inner endless link chain units 47 extend stretch across the undersides of the panels, and they are lengthways in the main conveyors. They also point out among mutual Alignment a distance and are vertical with the movable shoes or intermediate section rails 44 aligned, which is attached to the channel members 38 of the panels are. These intermediate or middle endless roller bearing chain link units, which can be viewed as loading link chain drives are in engagement with those driving them Gears 48, which are driven in a suitable manner by drive units 49 and are in running contact with the fixed Rails 5o are located, which are longitudinal and parallel to each other and which are connected to the frame 51 of the device 15.

The number of intermediate conveyors required for moving support the plate conveyor and used to press it into the bottom and top of a product to be manufactured such as a foam layer or plate, can according to the width and length of the plate conveyor belts and the one on top exerted load can be varied.

In the drawings, five intermediate conveyors 46 are shown within each of the upper and lower main conveyors 17 and 18. They are intended as an auxiliary device for a free and movable support of the endless plate conveyor belts and for generating a pressure engagement with the upper and lower sides of the product to be manufactured serve. At the same time they should have a free one Maintain rolling contact engagement with the fixed rails 5o which terminate at or just before the intermediate conveyor gears 48. The fixed rails 5o can be supported by crossbars 63 which are attached to the frame of the device 15 and with a series of openings 64 for the passage of the return parts of the endless roller storage chain units 47 constituting the intermediate conveyors 46 are provided. - Io -

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Those used for rapid manufacture of a pressure producing product Materials can be varied according to specific needs. If the product requires a cell structure, is a foaming unit 65 for producing the desired liquid connection from chemical liquid loads or -Additions provided, which were selected from those known reactants, which the necessary components for form the manufacture of the cell structure. These useful chemical additives or loads are kept in separate containers, removed therefrom and mixed into a foamable mixture for the purpose of producing the foam material, which is used as the core of the Body of a laminated or layered board to be manufactured or used for other products.

For the purpose of explaining the mode of operation of the invention, it is pointed out that the device and the method, for example can be used for the rapid production of a laminated or layered board with a cell structure and that numerous other products can be produced in accordance with the invention.

The reaction mixture is released from the foaming unit 65 pressed down onto a moving lower casting surface 66 located therebelow in order to thereupon a substantially continuous Coating the admixed liquids to form, with the moving lower pouring surface in the form of cardboard or the like is trained.

The supply of the casting surface, for example cardboard, from a roll is such that it is immediately below the foaming unit passed for the purpose of forming a bottom layer and that the reactive foam mixture on the pouring surface in the form a thin layer of film. The lower casting surface is moved a predetermined distance, after which it moves with one upper surface 67 of cardboard or other material is connected. The top surface becomes the most responsive and of the moving lower casting surface carried foam mixture over-

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with both lower and upper surfaces being pulled by the main conveyor unit 16 of the device 15.

The upper and lower casting coatings are in their stratification by the. appropriate feed rollers in the main conveyor unit 16 where it engages the upper and lower endless Plate belts 35 occur, the plate ends of which on the outer, endless main roller bearing chain links of the corresponding upper and lower main conveyors' are attached, which in turn are gear-driven via their respective drive units. The casting coatings are thereby drawn between the upper and lower main conveyors 17 and 18 through the main conveyor unit 16.

At the same time, the intermediate conveyors in the upper and lower main drive conveyors 17 and 18 are arranged and are formed by endless inner roller bearing link chains, which are located below or above the plate conveyors, a movable intermediate support and pressure means for the plates. the Intermediate conveyors become independent of the operation of the main outer endless roller bearing link chains of the upper and lower ones Main drive conveyor actuated.

During operation of the apparatus, the respective drive units drive the upper and lower main drive conveyors and the intermediate conveyors at the same speed and under constant synchronization. Each of the output ends, the upper, and lower main drive conveyor has a head drive unit for driving the main drive gears and, for pulling the outer, endless main roller bearing link chains with which the ends of the plates of the apron conveyor are connected ·. And finally, they have a rear-wheel drive unit to propel them the feed main gears of the conveyor and the infeed end of the Apron conveyor to lighten or lower the load on the head drive unit.

The arranged at the output end of the intermediate conveyor 46 and in

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Gearwheels 48 engaged with the inner, endless roller bearing link chains of the intermediate conveyor are of Drive units 49 driven. In contrast, the gears located at the input end of the intermediate conveyor are in mesh with of said inner, endless roller bearing link chain and are thereby connected to the driven gears to together to form a combination of a plate conveyor support and pressure unit. This is used as an auxiliary drive as well as a torque or torque control drive driven and can be adjusted to the correct torque value to provide load support for the main conveyor without affecting the speed of the conveyor.

Apart from certain, described and illustrated exemplary embodiments are of course numerous modifications of the structure and / or the method within the scope of the present Invention possible. For example, equivalent elements and steps may be used in place of those described, further Parts can be removed and numerous features can be used independently of other features.

- patent claims -

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Claims (13)

. .- .; -: ·:. ~ ⁱ³ " 24 ^ 5505 Claims ' y device for a continuous rapid production of a Print product, characterized by a main conveyor unit (16), in this attached upper and lower parallel Main conveyor (17, 18), upper and lower endless belts (35), which extend parallel to one another and are in engagement with the upper and lower main conveyors (1.7, 18) as well operated by these, furthermore by in the main conveyor unit attached intermediate conveyor (46), the .in each the upper and lower main conveyor (17, 18) are arranged and inner parallel, endless roller bearing link chain units (47) exist, which independently movable support and pressure means for the endless belts (35) form and independently supported as well as independently of operating means of the upper ones and lower main conveyor are driven. 2. Device according to claim 1, characterized by longitudinal outer, endless main roller bearing link chains (19, 2o, 27, 28). Which are connected to the ends of each plate (36) of the upper and lower apron belts (3.5) by at the ends the upper and lower main conveyor (1.7, 18) disposed gears (21, 22, 24, 25, 29, 3o, 32, 33) connected to the outer, endless main roller bearing link chains (19, 2o, 27, 28) are engaged, and individually operated by separate drive units, with a number of longitudinal intermediate conveyors (46) being arranged in each of the upper and lower main conveyors (17, 18) and consisting of inner endless roller bearing link chain units (47) as well as with the inner surfaces of the adjoining longitudinally facing one another »· Facing apron conveyors (35) is in engagement and is driven independently of the drive units of the upper and lower main conveyor. 3. Apparatus according to claim 2, characterized in that each Plate (36) a smooth and flat outer surface and a pair of parallel, L-shaped strips or rails (39, 4o) 09825/0922 2 4 5 5 5 Q 5 has / which is at a certain distance from the longitudinal edges (41) of the plate are removed and a channel member on its underside (38) and extend integrally from the plate downwards and in the longitudinal direction ". 4. Apparatus according to claim 2, characterized in that parallel movable shoes (44) on the channel member (38) of each Plate (36) are attached and stretch across the width of the plate and over their longitudinal edges (41) in alignment with the movable ones Shoes (44) of the adjacent panels extend, wherein the shoes can interlock. 5. Apparatus according to claim 2, characterized in that movable support and pressure means of the intermediate conveyor (46) each formed from an inner, endless roller bearing link chain unit (47) and parallel to one another and in alignment with the movable shoes (44) and fixed rails (5o ) are arranged, wherein the link chain units (47) can come into free rolling contact engagement with the movable shoes on one side and the fixed rails on the opposite side. 6. Apparatus according to claim 2, characterized in that the Intermediate conveyor (46) means for free and movable support the endless plate conveyor belts (35) and with these a 'pressure engagement on the top and bottom of the exercise product to be produced, while at the same time a free Maintain rolling contact engagement with the fixed rails (5o) that is on or just before the idler gear actuator for the intermediate conveyor ends. 7. Apparatus according to claim 2, characterized in that each roller bearing link (52) of the outer, endless main roller bearing link chains from outer and inner link strips (53, 54), which end in Dxehabschlützen (55) and through Cross shafts (56) are connected to each other, on which roller bearings (57) are rotatable, that also the inner link bar - 15 - S09S15 / 09 2 2 (54) has an upper intermediate part which extends laterally at a right angle to form a connecting plate (58) extends and into the channel member (38) of a panel termination (37) of the plate (36) can be pushed in and is movable with it Bottom is connected. 8. Device according to one or more of the preceding claims, characterized by a main conveyor unit (16), by upper and lower parallel main conveyors (17, 18) in the Conveyor unit, through auxiliary drive gears (21, 22, 29, 3o> and head drive gears (24, 25, 32, 33) on opposite sides Ends of each of the upper and lower main conveyors (17, 18), by outer endless roller bearing link chains (19, 2o, 27, 28) those with the assist and head drive gears of the upper and lower main conveyors are engaged by upper and lower endless apron belts (35) attached to the outer endless roller bearing link chains are attached, with the parallel parts facing each other Outer sides of the endless plate belts are continuously movable walls to form an intermediate one Represent the passage or channel, furthermore by drive units (23, 26, 31, 34) for actuating the gear-driven gear units outer, endless roller bearing link chains (19, 2o, 27, 28), through in the upper and lower main conveyors (17, 18) arranged intermediate conveyor (46), which consists of a number of internal, gear-driven, movable support and pressure means (47) are formed, which are in mutual longitudinal alignment and in free rolling engagement with the inner, opposite, parallel sides of the upper and lower apron conveyors (35) on the one hand and with the fixed rails (5o) on the other hand are arranged, and by independent drive units (49) for operating the inner, gear-driven, movable Support and pressure means (47), the drive units (49) being independent of the drive units (23, 26, 31, 34) for operating the outer, endless roller bearing link chains (19, 20, 27, 28) of the upper and lower main conveyors are supported and driven. - 16 - 509 82 5709 2 2 9. A method for the rapid manufacture of a pressure generating product characterized in that a reaction mixture produced from chemical fillings or insert materials in a introduced by opposite, parallel surfaces of upper and lower endless conveyor belts (35) formed channel the conveyor belts with endless outer main roller bearing link chains (19, 2o, 27, 28) connected to their respective upper and lower main conveyors (17, 18) and are driven by their respective drive units (23, 26, 31, 34) to pull the endless conveyor belts (35) as well as carrying the generating mixture along the channel, simultaneously from the interior of the upper and lower main conveyors (17, 18) free, independently operated, movable intermediate support and pressure means (47) on the endless conveyor belts (35) are applied to lighten or reduce their weight load and these support and Pressure media are operated by independent drive units (49) which are completely controlled by the drive units (23, 26, 31, 34) the endless conveyor belts are separated. lo. Method according to claim 9, characterized in that the weight load reduced when pulling the endless conveyor belts (35) and from their drive units (23, 26, 31, 34) is held by transferring the weight load to the intermediate, movable support and pressure means (47) which are in free rolling contact engagement with the endless conveyor belts (35) and the fixed rails (5o), on which they slide and are guided, the movable support and pressure means (47) being separated by their own and independent drive units (49) are operated. 11. The method according to one or more of the preceding claims, characterized in that a reaction mixture of chemical input materials is divided between upper and lower Conveyors (17, 18) of a main conveyor unit (16) formed channel is introduced, which through outer, opposite- - 17 - 509 8 25/0 9 22 lying, parallel surfaces of upper and lower endless conveyor slat belts (35), which with endless outer main roller bearing link chains (1.9, 2o, 27, 28) of their respective upper and lower main conveyors (17, 18) connected and gear driven by their respective drive units (23, 26, 31, 34) to the endless conveyor belts (35) to pull and to guide the generating mixture along the channel, at the same time intermediate, movable Support and pressure means (47) within the lower and upper conveyors (17, 18) are made to move with the inner, engaging opposite, parallel surfaces of the upper and lower endless conveyor belts (35) and to exert movement support and pressure on it, said central movement support and pressure means (47) being actuated by independent drive units (49) which independent and separate from the drive units (23, 26, 31, 34) for actuating the outer main roller bearing link chains (19, 2o, 27, 28) of the upper and lower main conveyors (17, 18) are. \ 12. The method according to claim 11, characterized in that the independent drive units (23, 26, 31, 34) the outer, endless main roller bearing link chains (1.9, 2o, 27, 28) cause to pull the plates (36) of the endless plate belts (35), while at the same time separate and independent Drive units (49) establish a rotary drive for the intermediate conveyor (46) so that the supply or the Throughput greater than the feed drive of the outer, endless Main roller bearing link chains is, creating a tighter Concern of the adjacent panels is justified. 13. The method according to claim 11, characterized in that independent Drive units (49) which form the intermediate, movable support and pressure means (47) forming the inner frame bearing link chain units (47) cause them to come into physical contact with the plates (36) of the apron conveyors (3.5) and fixed as well as with the frame of the main conveyor unit - 18 - 509825/0922 (16) freely rotate the connected rails (5o) to the apron conveyors (35) to move, to support and to put under pressure and thereby the weight load of the apron conveyors to convert from a dead weight to an operating weight. 509825/0 9 22 Empty egg s e ι te