SI9012002A - Equipment for transformation of continuous layer of longitudinally oriented mineral fibres to the layer of upright oriented fibres for production of insulation boards - Google Patents

Description

TERMO - Thermal insulation industry Škofja Loka, p.o.

Apparatus for transformation from longitudinal mineral fibers of a composite continuous layer into a layer of standing fibers for the manufacture of insulating boards

The invention relates to a device for transforming from a longitudinal mineral fiber composite continuous layer into a layer of standing fibers for the manufacture of insulating panels.

BACKGROUND OF THE INVENTION The tendency is that in mineral fiber insulating panels made by the state of the art of C 03 B Int. class., takes advantage of the greater load-bearing capacity of the plates, which is offered by the fact that the fibers of the plate are loaded instead of bending, which means that the fibers in the installed state are loaded substantially in the direction of their axes.

It is known that a layer of mineral fibers, which continuously came from the Union chamber of the manufacturing Union for the manufacture of insulating panels, was cut into length sections, with each length section rolled over its lower leading edge, so that the previously lying fibers of the cutaway were placed upright then placing the cuttings in this position one after the other on a foil-coated adhesive. The length dimension of the cutting line, which is equal to the skipping step of the cutting device, is then equal to the thickness of the new, now segmented layer. The foil base was either cut to the format of the future segmented plate and the total length of the sliced pieces corresponded to the length of the sheet or it was infinite, and then it was cut together with the cut pieces glued to it.

Regardless of the technological approach, the insulation panels obtained in this way have a common disadvantage that the panels are essentially cut, which is reflected by the awkwardness of any manipulation procedure. In addition, in the case of formatted substrate, an additional disadvantage is the careless placement of the cuttings on a given floor plan, and in the case of an infinite substrate, the care that the cutting line that determines the length of the composite plate matches the contact line between two cuttings in a row .

Lastly, the disadvantage of the prior art is that it is necessary to account for the material problem posed by the foil and the adhesive, both individually and in interaction with each other and with the fibers.

The aim of the invention is to eliminate the foil base, adhesive and separation between the cut-offs in the segmented insulating panel.

The stated goal of the invention is achievable with the following basic characteristics:

Apparatus for transformation from longitudinal mineral fibers of the composite continuous layer into a layer of standing fibers for the manufacture of insulating panels is installed between the vacuum and the pouring station of a known production line, comprising the production of mineral fibers, the subsequent formation and hardening of the continuously stripped layer of the flying and forming formats made by cutting this layer.

Preferably, the device comprises into a compact unit the combined calibration-feeding part, segmenting the part and the alignment part, in the direction of the workpiece.

In the calibration-feed lot of the subject device, an upper set of inlet and caliber cylinders is arranged above the stationary lower set of conveyors.

Segments of the device batch comprise in the upright direction an alternating, linearly arranged cutting device, at the level of the transport plane a rotary device for the cuttings arranged and a conveyor that connects the area under the rotating device to the entrance to the alignment part of the device.

The alignment batch comprises substantially two substantially aligned lower and upper conveyors, substantially aligned with each other, with the receiving end of the front upper conveyor extending above the emitting end into the alignment portion of the extending moving conveyor of the segmenting batch.

The cutting device is suspended from its yoke by means of a yoke, which are tied via the levers to the drive shaft of the crank mechanism.

Using an endless cutting device such as a band saw or steel wire, the designed cutting device is positioned so obliquely with respect to the system transport plane that its downward side is more elevated above the conveyor plane than its upward direction.

As the operating section, the serving portion of the endless cutting means of the cutting device is arranged in an upright plane between the cantilever plate, as in a segmented portion extending the conveyor plane of the lower set of calibration-feed rollers and rotating preparation of the segmentime of the batch, and is guided by two sides of the leading lines .

The invention is further concretized by the embodiment shown on the accompanying sheet with a single sketch showing a device for transforming from a continuous mineral fiber composite continuous layer into a layer of standing fibers for the manufacture of insulating panels - side view.

Preferably, the device comprises, in a compact unit, the following, in the direction of the workpiece, in the direction of the workpiece, the following calibration-feed lot I, segment the lot II and the alignment lot III, which are in the production line comprising the production of mineral fibers, this subsequent formation and hardening of the continuously stripped layer only -these and the production of formatted insulation panels made by cutting this layer, mounted between the output of the (not shown) vacuum station and the entrance of the polling station, part of which is shown on the right in the accompanying drawing.

The calibration feed lot I comprises the lower set of 1 conveyor rollers and the upper set of 2 press rollers. The conveyor rollers 3 of the lower row 1 of the cylinders are reasonably identical, aligned and positioned so that the line tangentially connecting the tops of the cylinders 3 coincides with the lower surface of the layer S, s. The upper row 2 of the transport cylinders, in contrast to the lower one, is essentially two-part: it consists of a set of inlet cylinders 4 and a set of calibration cylinders 5. The latter are substantially identical to the transport cylinders 3 of the lower row 1 cylinders and are arranged such that the two strings are parallel to each other. . The inlet cylinders 4 of the upper set of 2 cylinders are substantially larger in diameter than the diameter of the calibration cylinders 5 and are also aligned with each other such that their joint oblique tangent is at the same time the same as the transverse tangent of the first adjacent calibration cylinder 5, leaving this tangent with a horizontal axis. as in the sense of a wedge transformation initially of a larger thickness A of layer S of plastic non-destructive deformable mineral fibers against a smaller thickness of a layer s, which is essentially determined by the brightness between the sets of transport rollers 3 and the rollers 5.

For the purpose of adjusting the thickness a of the compressed layer 5, the upper row 2 of the rollers 4, 5 is adjustable in height. All cylinders 3, 4, 5 are driven by the rule that the circumferential speed of all cylinders 3, 4, 5 is the same. Downwardly, the last two rollers 3, 5 of the lower row 1 and the upper row 2 of the cylinders are reasonably aligned with each other vertically, and in the upward direction the first conveyor roll 3 of the lower row 1 cylinders is reasonably well in advance of the first entry rollers 4 of the upper row 2 cylinders.

Segments of lot II comprise, inter alia, a cutting device 6, a retractor 7 and a conveyor 8.

The cutting device 6 comprises two wheels 9 arranged in a common plane inclined towards the horizontal such that, with respect to the movement of the workpiece, the downward side of the plane is more raised above the horizontal than upwards, and beyond the width of the workpiece layer. One of the reels 9 is equipped with its own (not shown) electric motor for running, and the other with a (not shown) tensioning device for automatic tensioning of the (not shown) endless cutting means, preferably a band saw, as well as other cutting means, eg . steel wire. For the use of a band saw, two upright guide rollers 10 are provided in the area along the sides of the workpiece, which are integral with the height of the movable cutting assembly and run a horizontal section of the endless cutting means that actually performs the cutting operation in a plane perpendicular to the surface of the workpiece.

In order to carry out the running stroke, which in this case takes place in an upright plane, the cutting device 6 is suspended on a crank mechanism 11, comprising a self-propelled shaft 12 to which the rotatably mounted arms 13, to which they are substantially upright rods, are connected 14, at which lower ends are last connected in the vertical plane of the movably guided yoke 15 of the cutting device 6.

The rotation of the drive shaft 12 of the crank mechanism 11 is associated with the rotation of cylinders 3, 4, 5 of the lower row 1 and the upper row 2 of the cylinders indirectly via a (non-displayed) gearbox with a one-way clutch that allows a short stop of the progressive movement of the layer s when the crank mechanism 11 performs (downward) feed and (upward) return stroke of the cutting device 6, and accelerated movement of the layer 5 (compensating during the jam accumulated stock of a steadily continuous flowing layer S), which the cutting device 6 outside the impact space of the layer s.

The duration of the delay in displacement of layer s in each cutting operation and the rate of acceleration of subsequent displacement of layer s are circumstances that are, on the one hand, subordinate to purely geometric data, such as thickness a of layer s and step (= equivalent to thickness b of future insulation board) between one and other cutting points and other purely technological circumstances such as the condition, composition and structure of the workpiece and the characteristics of the cutting tool.

The implementation option just described, i.e. the combination of interrupting the movement of the workpiece and in the direction of movement of the workpiece of a stationary cutting device is based on the condition that the workpiece at this stage can withstand further internal shocks and material movements (compaction or accumulation of fibers at the moment of stopping the movement and subsequent stretching them). If this condition is not fulfilled, the solution according to the invention can be further extended in the sense that the yoke 15 of the cutting device 6 is hung on a (not shown) longitudinally alternating rectilinear movable support whose forward movement would be coordinated with the movement of the workpiece, the return movement however, it would be expediently expedited, as is known from technologies for cutting continuously moving strands into predetermined length sections.

In the preferred design of the device, the workpiece cutting location is fixed and arranged between the stationary support cantilever plate 16, which terminates the transport plane of the lower row 1 of the transport rollers 3, and the rotating device 7. The latter circumference is fixed on the axis 17, from the axis 17 onwards in the direction of movement. a workpiece extending a further support cantilever panel 18, which is controllably swiveled from a horizontal position in which its contact surface corresponds to the work plane of the workpiece, down by an angle of about 90 ° and back to the starting position. The dimension of the cantilever plate 18 in the direction of workpiece advancement is appropriately measured in accordance with the design maximum thickness b of the finished product. The retractor 7 is activated at the same time as the workpiece advance movement is activated, i.e., when the cutting device 6 is in the position above the workpiece.

The conveyor 8 of segmentation lot II, with its receiving end, takes up space below the cantilever plate 16 and the retractor 7 and extends into the area of settlement lot III with its transmitter end. In a preferred embodiment of the invention, when the conveyor plane of the production line is substantially uniform, the relative conveyor 8 rises in the direction of forward motion to the point where the transverse end of the transmitter 8 coincides with the general transport plane.

It is obvious that the given layout of the retractor conveyor 8 is causally related to the fact that the retraction of the retractors P is based on itself the simplest solution to the turning problem, i.e. on the gravity slip of the P-section along the cantilever plate 18 of the retractor 7. This, however, does not exclude the possibility of replacing the reversing device 7 with another, then expedient, single-level reversing device that would allow a single-level disposition of the retractor conveyor 8. Of course, the invention ultimately excludes two-tier transport, when the transport conveyor 8 could be horizontal. In this case, in principle, there would no longer be any need for a tilted cutting device 6.

In a given placement of the conveyor 8, the height deviation of its receiving end from the retractor 7 is measured mainly depending on the dimension b, taking into account that the workpiece is structurally and structurally unstable at this stage and, therefore, how pronounced is the fall of the scraps P onto the conveyor 8 not applicable. More than falling, it's about luggage loading.

The alignment portion III of the apparatus comprises a lower conveyor 19 or a set of substantially closely spaced lower conveyors 19 (in the drawn case of two conveyors 19) and an upper conveyor 20 or a string of substantially closely spaced upper conveyors 20 (in the drawn case also two conveyances 20 ), which interact as a preparation for the final alignment of the lower and upper surfaces of the strung cut-outs P before entering the newly formed strand in the curing station.

The transport speed of the segmented layer in the area of settlement lot III is in line with the average flow rate of layer j (average speed of movement and rest). The values are essentially the same when a = b, otherwise they are different. Depending on the speed of transport in settlement lot III, the speed of the transport conveyor 8 of segmentation lot II is adjusted. It is large enough that the transport conveyor 8 of the steadily contributing cut-off P at the inlet of settlement lot III is stacked close to each other. Since the material of the cuttings is still sticky at this stage, the cuttings P are permanently adhered to each other during homogenization in alignment lot III.

In order to prevent wrinkles from entering P alignment III, the inlet end of the first upper conveyor 20 is moved above the delivery end of the transport conveyor 8. In the latter case, the latter extends into the area of settlement lot III and the conveyor 20 is guided by the dimensions of lot III, alternatively however, the retractor conveyor 8 may adhere to the dimensions of segmentation lot II and the receiving end of conveyor 20 would therefore be moved to the region of segmentation lot II.

In the above description, we have only touched on inventive material matters. We estimate that the other features of the device, which are inevitable for completing and revitalizing it, are in the domain of routine design knowledge, and therefore a detailed description of them is superfluous.

FOR

TERMO Thermal insulation industry Škofja Loka, p.o

21364 ΜΤΕΚΪΗΑ PISARNA ljubijan * t

Claims (7)

PATENT APPLICATIONS 1. A device for transforming from a continuous mineral fiber composite continuous layer into a layer of standing fibers for the manufacture of insulating panels, embedded between the vacuum and the pouring station of a well-known production line, comprising the production of mineral fibers, the subsequent formation and consolidation of continuously stripped layer of fly and the production of formatted of insulating panels made by cutting this layer. A device according to claim 1, characterized in that it preferably comprises, in the compact whole, the following calibration-feed lot (I) in the direction of the workpiece, segment the lot (II) and the alignment lot (III). Apparatus according to claim 2, characterized in that a top set (2) of the inlet cylinders (4) is arranged above the stationary lower set (1) of the transport cylinders (3) above the stationary lower set (1) of the transport cylinders. and caliber cylinders (5). Apparatus according to claim 2, characterized in that the segments of the lot (II) comprise in an upright direction a linearly movable arranged cutting device (6), a rotary device (7) arranged for cutting off (P) and a conveyor conveyor (7) at the level of the transport plane. 8), which connects the area under the retractor (7) to the entrance to the alignment lot (III). Apparatus according to claim 2 or 4, characterized in that the alignment lot (III) comprises substantially two substantially closely aligned lower conveyors (19) and upper conveyors (20) in each case, the receiving end of the front upper conveyor (20). 20) extends above the transmitter end into the alignment portion (III) of the extending displacement conveyor (8) of the segmentation portion (II). Apparatus according to claim 4, characterized in that the cutting device (6) is suspended by its yoke (15) on the connecting rod (14), which are connected via the levers (13) to the drive shaft (12) of the crank mechanism (11). . Ί. Apparatus according to claim 4 or 6, characterized in that an endless cutting means, such as a band saw or steel wire, is provided with a cutting device (6) designed with respect to the system plane of transport so that it is downwardly inclined in the direction of transport. more elevated above the transport plane than its relative to the upward transport direction. Apparatus according to claim 4, 6 or 7, characterized in that, as an operating section, the serving portion of the endless cutting means of the cutting device (6) is arranged in an upright plane between the cantilever plate (16) as a segmental part (II) of the extending conveyor the planes of the lower set (1) of the cylinders (3) of the calibration-feeder part (I) and the retractor (7) of the segmentation part (II) and is guided by the pairs of upright guide rollers (10) along the sides of the conveyor line.