EP0026255A1 - Device for setting a layer or a partial layer of green moulded bricks - Google Patents

Abstract

In the case of a device for forming spaced or partially set layers of brick moldings, a conveyor track (1) is provided, which feeds the brick moldings arranged close together in longitudinal rows. The longitudinal rows are transferred from the conveyor track (1) to a subsequently arranged setting base (4), where the brick moldings are collected in a compact layer or partial layer from several adjacent longitudinal rows or even just one longitudinal row. The setting pad (4) consists of rollers (8) which are arranged at intervals from one another and support bars (9) which are arranged between the rollers (8) and are movable in the direction of the longitudinal axes of the rollers. Each support bar (9) is divided into sections (10) which are arranged at intervals from one another. Each support bar (9) is divided into sections (10) which are arranged at intervals from one another. The sections (10) are connected to lifting cylinders (11) which move the sections (10) up and down independently of one another. The lifting cylinders (11) are attached to a carriage (13) which can be moved in the direction of the longitudinal axes of the rollers (8) and which carries the sections (10) with them.

Description

The invention relates to a device for forming a setting layer or partial setting layer from brick moldings, with a closely spaced brick moldings leading in longitudinal rows, from which the longitudinal rows are conveyed to a fixed setting pad, which consists of rollers arranged at intervals and support strips arranged between the rollers are movable in the direction of the longitudinal axes of the rollers and a delivery track arranged after the setting pad.

In a known device (DE-PS 23 12 946), the brick moldings brought together in a setting position formed by longitudinal and transverse rows are lifted off the rollers by support strips and conveyed in the direction of the longitudinal axes of the rollers until the foremost transverse row meets with resistance , by means of which the rearmost raised transverse row is pushed back from the support strips onto the setting pad.

The remaining raised transverse rows are moved with the lifting of the resistance until a desired transverse row distance from the supporting strips is reached, so that a further transverse row is pushed off the supporting strips on the setting pad again due to the renewed effect of the resistance set accordingly, after which manner of settling Pushing back all transverse rows from the support strips on the setting pad results in the setting position with the predetermined distances between the individual transverse rows.

The support strips cover a distance that corresponds to the entire setting position.

A disadvantage of this known device is that the brick moldings pass from a higher level (support strips) in a tilting manner to a lower level (rollers) during the formation of the settling layer. This tipping causes an inaccurate transfer of the moldings, since the moldings are warped due to a greater or lesser adhesion to the higher level, so that the distances between the individual transverse rows become inaccurate. This occurs particularly when setting layers are created from moldings with a small cutting thickness. It can happen that molded articles fall out of the gripper during transport because they are not sufficiently gripped by the grippers.

In the known device, the plane receiving the moldings and lying higher during the formation of the settlement layer (support strips) must cover a distance which corresponds to the entire settlement position. Only then can the support strip level be lowered below the roller level and returned to the starting position to complete the formation to start a new seed position. However, this sequence of movements is very time-consuming and accordingly has a negative impact on performance.

The invention seeks to remedy this. The invention, as characterized in the claims, solves the problem of improving a device of the type mentioned in such a way that tipping of the brick moldings is avoided and that acceleration is achieved when the brick moldings are separated.

The brick moldings are placed vertically on the rollers without any tilting movement of the sections during the formation of the settling layer, so that the distances to be drawn between the brick moldings are exactly observed.

The inventive device is further characterized by high performance, since the portions of the support strips only be moved such a distance during the set layer formation which corresponds to the sum of the iegelformlingen between the _Z distances to be drawn. The support strips are moved back to the starting position as soon as all sections have been lowered below the roller level.

The shorter travel path of the support strips during the formation of the subsidence results in a shorter overall length, which has a positive effect on the investment costs.

With the device according to the invention, all brick formats can be pulled apart, since the length of the sections is aligned with the lowest molding thickness is. At the lowest molding thickness, one section supports a brick molding, while larger brick molding is supported by several sections. The holding beams prevent the bricks from tipping over

• Fig. 1 eine Seitenansicht der Einrichtung,
• Fig. 2 eine Ansicht nach der Linie II-II in Fig. 1,
• Fig. 3 eine weitere Ansicht, ähnlich wie Fig. 2, jedoch in einer anderen Betriebsstellung,
• _Fig. 4 eine weitere Ansicht, ähnlich wie Fig. 3 wobei das Auseinanderziehen von größeren Formlingen dargestellt ist.

The invention is explained in more detail below with the aid of drawings which illustrate only one embodiment. It shows

• 1 is a side view of the device,
• 2 is a view along the line II-II in Fig. 1,
• 3 shows a further view, similar to FIG. 2, but in a different operating position,
• _F ig. FIG. 4 shows a further view, similar to FIG. 3, showing the pulling apart of larger moldings.

By means of a conveyor track 1, brick bricks 3 lying close to one another are conveyed in longitudinal rows 2 onto a setting base 4, which can be designed such that it can accommodate a setting position or a partial setting position. The setting position can e.g. B. from four longitudinal rows 2, while the partial setting z. B. can consist of only one longitudinal row 2. After the required distances have been drawn between the transverse rows 5, the setting position is conveyed to a supply track 6 and lifted off a setting gripper 7. The partial setting position is also conveyed to the delivery path 6 after the required distances between the moldings have been drawn, where a setting position is created by assembling a plurality of partial setting positions, which is then lifted from the supply path 6 by the setting gripper 7.

The setting pad 4 consists of rollers 8 spaced apart and of support strips 9 arranged between the rollers 8. Each support strip 9 is shown in FIG Sections 10 divided, which are spaced apart. Each section 10 is connected to a lifting cylinder 11 which moves the section 10 up and down.

If a plurality of support strips 9 are arranged next to one another for receiving a set position, the sections 10 which enclose a transverse row 5 are connected to one another by a linkage 12. Two lifting cylinders 11 attached to the linkage 12 move the linkage 12 and thus the sections 10 up and down.

The lifting cylinders 11 are attached to a carriage which is movable in the direction of the longitudinal axes of the rollers 8 and which carries the sections 10 with them. When treating large moldings 3a, the sections 10 projecting horizontal holding beams 14 are arranged above the support strips 9 and are intended to prevent the moldings 3a from tipping over.

As soon as a setting position or partial setting position is to be created on the setting base 4, all the sections 10 are moved upwards by the lifting cylinders 11, reaching under the moldings 3 and lifting them off the rollers 8.

By actuating the lifting cylinder 11a downwards, the moldings 3 located in the transverse row 5a are again placed on the rollers 8 and the sections 10 carrying the transverse row 5a move into the non-operating position below the plane of the rollers 8. Then the carriage 13 is moved in the direction of the Arrow A moves, whereby a distance is drawn between the transverse row 5a located on the rollers 8 and the transverse row 5b still in the raised state. When the desired distance has been reached, the lifting cylinders 11b and thus also the sections 10 carrying the transverse row 5b move downward and place the transverse row 5b on the rollers 8. The car 13 now moves further in the direction of arrow A and draws the gap desired between the transverse row 5b and the transverse row 5c. If this gap is reached, the lifting cylinders 11c lower and the transverse row 5c is placed on the rollers 8. In the manner described, the desired distances or gaps are drawn between all transverse rows 5, the relevant lifting cylinders 11 or relevant sections 10 being actuated each time.

It is also possible that several lifting cylinders 11 assigned to a support bar 9 can be actuated simultaneously if, for. B. the transverse rows 5a and 5b should be placed on the rollers 8 without spacing. (Fig. 3). The lifting cylinders lla and llb are then operated simultaneously. Depending on the program of the individual setting positions or partial setting positions, the lifting cylinders 11 can be actuated. The carriage 13 can be moved continuously in the direction of arrow A during the setting of the setting position, but it can also be briefly stopped during the setting process of the transverse rows 5.

The length of the individual sections 10 of the support strips 9 are adapted to the width of the smallest brick format, so that only one section 10 is covered by a brick molding 3 in width. If wider brick moldings 3a are treated, several sections 10 underlie the moldings 3a. The lifting cylinders 11 are then actuated depending on the number of the sections 10 which enclose the molding 3a. The horizontal holding beams 14 projecting beyond the sections 10 prevent the molded articles 3a from tipping over if only one section 10 supports the molded articles 3a (FIG. 4).

Claims (3)

1.Device for forming a setting layer or partial setting layer from brick moldings, with a closely arranged brick moldings leading in longitudinal rows, from which the longitudinal rows are conveyed to a stationary setting pad, which consists of rollers arranged at intervals and support strips arranged between the rollers, which in Direction of the longitudinal axes of the rollers are movable and a delivery path arranged after the setting base, characterized in that that each support bar (9) is divided into individual sections (10), that the sections (10) are arranged at intervals from one another, that the sections (10) are connected to lifting cylinders (11) which move the sections (10) up and down independently of one another, that the lifting cylinders (11) are attached to a carriage (13) movable in the direction of the longitudinal axes of the rollers. 2. Device according to claim 1, characterized in that the adjacent sections (10) of the support strips (9) are each connected by a linkage (12) and that the linkage (12) by lifting cylinder (11) can be moved up and down. 3. Device according to claim 1, characterized in that horizontal holding beams (14) are arranged in the region above the sections (10).

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