DE2135506C3 - Compression generating device on presses which are particularly suitable for the production of chipboard, fiberboard or the like - Google Patents

Description

2. PreBd.ruekgenerating device differs according to the plate

claim I, characterized in that the expression press plate is functional and

an electromagnet (7) in the press lower part (2) and not to be understood constructively; press belts should also

in the. Press upper part (4) is arranged. sen are referred to as press plates.

3. Compression generating device according to An 15 In the known presses of the initially described claim 2, characterized in that the type of elec- tromagnets are the Preßdruckzeugungseinrichtuntromagnete (7) from in the press lower part (2) or gene, with which in modern presses pressures from the press upper part (4) envisaged current supply- about 30 kp / cm ² must be generated, either blowable windings (8), the press sub-mechanical or hydraulic, insofar as part (2) or its press upper part (4) made of ferro- ao are the known ones Pressing, taking into account magnetic material and the press plates of today's requirements, are not free from post- (3, 5). divide. This applies to stationary and to and fro

4. Compression generating device after a movable cycle pressing, in particular for the control spring Claims 1 to 3, characterized in that they are relevant to the generation of the pressing pressure the upper part of the press (4) consisting of two superimposed directions is complex.

of the arranged press upper part halves (9, 10) in a known continuously operating

and the lower upper press part half (9) press (see German patent specification 1 164 635)

both at the die Presser.unterteil (2) pull the lower and upper press plate from one

turned side as well as on that of the upper press- a plurality of individual plates, which are attached to the upper part half of the carrier chains flO) facing side electroma- 30 closed and with these via deflection sprockets

has gnete (7), while the upper press are guided. In doing so, step through the required

upper part half (10) at d <; r of the lower press - high press pressures both static and dynamic

upper part half (9) facing side an elec- trical stress, which is practically

has tromagneten (7). can hardly be controlled.

5. Compression generating device according to 35 In another known continuous work claim 4, characterized in that the tendency press (cf. the German Offenlegungsschrift Pressure generation in the upper half of the press upper part 1 932 236) is a circumferential, (10) can be pre-countersunk onto the lower upper press part half (9), which is made up of loose individual plates and is mechanically locked. see, while the upper PrdJplaUe as a circumferential

6. Pressing pressure generating device is carried out according to 40 press belt. The pressure generation one of claims 1 to 3, characterized by hydraulically following a plurality above the shows that the upper part of the press (4) consists of two plates arranged on a press belt Upper half of the press, which are arranged one above the other, are not free from disadvantages as, on the one hand, the control ten (9, 10) and the lower upper press is relatively expensive, and on the other hand the space part half (9) and the upper half of the press upper part 45 may be produced with hydraulic pressure generation (10) each have an electromagnet (7), specifically.

at the electromagnet (7) in the lower press The invention is based on the object that

upper part half (9) is always polarized in the same way.

and to design the other electromagnets (7) of different types in such a way that this is done with clockwise can be polarized. 5 ° to a reduction in the technical outlay

7. Compression generating device according to one of the control and continuous work of claims 1 to 6, characterized in that the presses to a more favorable design that the upper part of the press (4) or the upper part of the press is subject to static and dynamic loads Participate (9, 10) with guides (11) from unma- leads.

magnetic material are provided. 55 According to the invention, this object is achieved by

8. Compression generating device after a solves that the compression generating device from zuder Claims 1 to 6, characterized in that there is at least one electromagnet.

that the press upper part (4) or the press upper The invention has recognized that in terms of

parthad (9, 10) with guides (11) from magne press pressure generating device in all known

material and the guides 60 presses, but especially for continuously working

are geometrically designed so that between the tendency pressing with an upper and lower circumferential

The press frame (1) and the upper part of the press (4) fend the press plate, which poses a particular problem.

or the press upper part halves (9, 10) result in introducing the press pressure into the press plates,

no magnetic forces occur. If, according to the invention, the pressing pressure generation unit

______ 65 direction of an electromagnet, so the to

Generation of the pressing pressure or the pressing force

The invention relates to the energy required to generate press pressure particularly simply by means of electrical power

device on presses, which are used in particular for the production of lines in the form of electrical energy

3 4

Electromagnet are fed. This results in the press shown schematically in the figures

that preferably in each case one electromagnet in the press consists in its basic structure of one

The lower part and the upper part of the food are arranged. Press frame % Press lower part% with lower «eö-

So here is no longer, as is the case with the known press plate 3, the upper press part 4 with an upper frelipiattes

ien, on the one hand between the upper part of the press and the δ and Preßdruckzeugungseinricbtung & As in the

Press frame, on the other hand between the press room figures functional, not constructive, shown,

part and the press frame and thus between has the Preßdnickerzeugungserarichrong 6 at least

The press upper part and the press lower part have at least one electromagnet 7. At the innap-

Pressing force generated; rather, the Pregkrafter sketch according to Fig. 2 is actually only an electrical

generation is provided directly between the upper part of the press io gnet 7, which is arranged in the lower part of the press 2.

and the lower part of the press. net is. The schematic diagram according to FIG. 3, however, shows

In detail, the electromagnets are an embodiment in which the feed pressure generation

moderately from in the press lower part or in the pressing device from in the press lower part 2 and in the

The upper part of the upper part 4 of the press that can be subjected to current is provided by the electromagnet 7

Windings, the upper part of the press or the press 15

lower part made of ferromagnetic material and the rest of the press plates shown. You can easily get by with guide forms, the electromagnets made of structural steel for the press plates in the press standard. lower part 2 or in the upper part 4 of the press

According to a further teaching of the invention, the windings 8 which can be energized, the press special Is important, there is the outer press part 2 or the upper press part 4 and the upper press part from two press plates 3, 5 arranged one above the other.

upper part halves, the lower press upper half preferably consisting, as shown in FIG. 1 and 4 show both on the upper press part 4 facing the lower part of the press from two one above the other angeord-side as well as on the upper press upper part half Neten press upper part halves 9, 10, the lower facing side having electromagnets, while 35 press upper part half 9 both on the press die upper press upper half on the side facing the lower lower part 2 as well as on the Press upper part half side facing an upper press upper part half 10 facing side has tromagneten. If it has the upper press electromagnet 6, while the upper press upper half also when generating the press pressure upper part half 10 on the lower press upper mechanical part locked - in the pressureless state is 30 part half 9 facing side of an electromagnet Press upper part always mechanically locked - so th 7 has. In this embodiment, how can to generate the pressing pressure first the lower one in FIG. 4 indicated, the upper press upper part press upper part half be lowered. As a result, half 10 mechadaß also in the pressure generation the associated electromagnets of the niche are locked - in the pressureless state that is Press lower part and the lower press upper part - 35 press upper part always mechanically locked - so can half polarized differently, the lower press first pulls them to generate the pressing pressure Electromagnet on. Compression pressure is generated. Upper half 9 are lowered. As a result of that If you let the upper press upper half of the associated electromagnets 7 of the down, locks this and polarizes the press lower part 2 and the lower press upper part arranged to one another Electromagnets of the two upper half of the presses 9 are polarized differently, pull each other would have the same name, then in the sense of a press these electromagnets 7 on, press pressure is generated, Increase in pressure the lower press upper half of If you can now also leave the upper press upper half 10 the upper half of the press head is repelled. down, locks the upper press top half 10 and

In the press according to the invention, the polarized, the associated electromagnetic

Regulate the pressing pressure as required and particularly precisely, d. H. 45 te 7 of the two press upper part halves 9, 10 equal

on a certain value to be kept constant, then in the sense of an increase in pressure

set, because the size required for this, the lower press upper half 9 from the upper

electrical current of the electromagnet, repelled in the shortest press top half 10.

Can throw time controlled. But there is also the possibility of what is in the

Moreover, when opening the figures according to the invention, not shown, the lower upper press upper-

ßcn press the existing in the electromagnet partial half 9 to equip only with a winding 8, the

Residual magnetism, of course, is electrically annihilated, resulting in electromagnets 7 constantly forming

the. polarize and only the electromagnets 7 of the

Further advantageous configurations of the invented press lower part 2 and the upper press upper part

according to the pressing pressure generating device to polarize half 10 differently in order to achieve a

result from further patent claims. Close or open the press to achieve.

In the following, the invention is based on. Finally, the upper part of the press 4 or are

Embodiments explained in more detail; it shows press upper part halves 9, 10, as in FIG. 1 on one side

1 shows a preferred embodiment of one with a guide part made of non-magnetic material

inventive press, 60 material provided, a measure whose purpose

Fig. 2 is a schematic diagram of a press with a moderation of the explanation. It exists

Electromagnet as Prcßdruckzeugungseinrich- but also the possibility, which in detail not

device, is shown, the guides 11 in magnetic

Fig. 3 to execute a schematic diagram of a press with two materials and a corresponding one Electromagnet as Preßdruckcrzeugungseinrich- 65 geometry of the guides 11 to ensure that

between the press frame 1 and the press upper

Fi g. 4 a schematic diagram of a press with divided part 4 or the press upper part halves 9, 10 resultic-

Press upper part. no magnetic forces occur.

For this 1 sheet of drawings

Claims (1)

^Claims · ¹ ^ νοη chipboard ^ fiberboard od, the like. Suitable ^F and consist of a press frame, press lower part with un- J, pressing pressure generating device on presses, lower press plate and upper part of the press with upper press die in particular for the production of chipboard. len, fiberboard or the like are suitable and from 5 presses in their basic structure of the one-press frame, The lower part of the press with the lower press aisle is described in various Ausplatte and press upper part with upper press plate guide forms known, where one mainly between characterized in that see stationary cycle presses, reciprocating the pressing pressure generating device (6) from chen cycle presses and continuously operating there is at least one electromagnet (7). 19 presses with upper and lower rotating press