DE8100044U1 - "COMBINED MILLING AND GRINDING TOOL" - Google Patents

Description

Combined milling and grinding tool

The innovation relates to a milling and grinding tool for stone processing, in particular for milling and simultaneous fine grinding of the grooves created during milling on workpieces made of stone or artificial stone, in which a grinding tool with grinding bodies, e.g. grinding segments or grinding rings, with a coaxial, circular milling tool is combined with milling bodies, e.g. milling segments, and the grinding tool can be readjusted in relation to the associated milling tool is trained.

There are already combined milling and grinding tools known that consist of a slip ring and a milling ring attached to it. Slip ring and milling cutter can be adjusted axially, but otherwise rigidly attached to each other. The axial readjustment of the slip ring takes place continuously, i.e. that a permanent, as uniform as possible Adjustment is required, which must be continuously monitored and controlled; since such a control is complicated and time-consuming, this adjustment is carried out by hand, which, however, also means considerable effort.

The task of the innovation is to create a combined, ring-shaped or disk-shaped Specify milling and grinding tool that is designed as a unit and in which the milling and grinding parts are movable relative to one another.

According to the innovation, this is of the generic type in the case of a tool Kind achieved in that the grinding part is resiliently or resiliently mounted relative to the milled part.

Further features of the innovation are the subject of the subclaims.

ft Il

With the innovation, a flexible or resilient mutual support of the milling and grinding part is achieved, which is of crucial importance for the fine grinding of workpieces made of stone or artificial stone. This resilient or resilient mounting ensures that the grinding part is resiliently and adjustably preloaded against the workpiece with respect to the milled part, so that the grinding wheels act continuously in a controlled manner on the workpiece and readjustment of the grinding wheels only after a longer period of time. e.g. after daily use, is required. It ensures that the milled part is not influenced when the grinding part is pretensioned. The compliant or resilient mounting preferably acts in axüLer direction perpendicular to the surface of the grinding ring and the abrasive body, but it also allows in be9 ^re nztem periphery a radial deflection, so that a slight flexing movement desired for fine grinding is achieved that particularly good results brings.

Furthermore, the combined milling and grinding tool is available as a structural unit trained, which is used as a whole in existing machines and so that it can be exchanged for conventional, known combination disks that cannot be used as a unit in processing machines but where the grinding tool and milling tool are to be attached separately from one another.

Appropriately, in the case of the present invention, the grinding bodies, preferably in the form of a slip ring or in the form of individual grinding segments, equipped with diamond. This enables regrinding of the workpiece in a single operation. In this case, the grinding body as well as the milling body are cooled, in particular with Water, required. The corresponding water channels can be found in the combined grinding and milling tool, which is designed as a unit arrange in a particularly expedient manner.

The flexible or resilient mounting of the grinding tool opposite this receiving support ring, which in the preferred embodiment the innovation is achieved by vibrating metal elements or by spring elements, can also be achieved within the scope of the present innovation that the resilient or resilient part is arranged on the screw connection between the receiving ring and the support ring, It is crucial that a flexible or resilient storage .between Grinding part and milled part is achieved; the special design and arrangement of this flexible or resilient mounting can suit the respective Requirements can be adjusted as required.

The innovation is shown below in conjunction with the drawing an exemplary embodiment explained. Show it:

1 shows a plan view of part of a combined milling-grinding tool after the innovation;

FIG. 2 shows a section along the line A-B or A-C from FIG. 1; FIG. 3 and 4 show a section along the line A-D from FIG. 1, and FIGS. 5 and 6 show a section along the line A-E from FIG.

In Fig. Ί is a view of the combined tool in the left half from below (part of a quadrant) and on the right a plan view of the combined tool from above (part of a quadrant). Fig. 2 shows in the left Teilcfen section along the line A-B and in right part the section along the line A-C from the representation according to Fig. 1. In both Figures 1 and 2, the overall arrangement is circular • ficmig, so that the middle part could be left out without affecting the understanding (this was done for reasons of time, since a Drawing on a smaller scale was not available).

The combined tool has a receiving ring S, a milling ring 2 for receiving the milling body 3, a support ring 4 and a slip ring 5 for receiving the grinding body 6. The milling ring 2 is with the Retaining ring 1 over a large number of at the same radial distance from Centered screw connections 7 attached. The design and attachment of the milling tool 2, 3, e.g. in the form of a Crust cutter (preferably with diamond trimmings) 3, is not the subject of the innovation and is not explained in more detail here.

Retaining ring 1 and support ring 4 are height-adjustable with one another and with respect to one another connected, as shown with screw connection S in Fig. 2 on the right. The support ring 4 takes the slip ring 5 with the grinding tools 6, which are preferably designed as diamond grinding segments, but which can also be designed as a continuous circular ring, on. Support ring 4 and slip ring 5 are resiliently mounted relative to one another, with the slip ring expediently being the movable part is. The resilient mounting is formed in the illustrated Ausführungsbeispie in Far m of vibration metal elements 9, which are provided in this Recesses of the support ring 4 are arranged and which are arranged around a bolt 10 which has an upper threaded part 11 and a lower threaded portion 12. The spring elements 9 are formed by an upper Seeger ring 13 and a lower Seeger ring 14

set. The upper threaded part 11 takes a lock nut 15 on, which can be actuated in a recess 16 of the receiving ring 1 and which against a cap-shaped, concentric to the axis of the bolt 10 acts on the lying part 17, which acts with its outer annular surface on the spring element 9 and correspondingly to that of the lock nut 15 applied force a desired preload on the spring element 9 gives up so that the spring strength can be defined and adjusted as required. The slip ring 5 is with the help of nuts 16, the are screwed onto the lower threaded part 12, with the support ring 4

tied together.

The screw connection 8 between the receiving ring 1 and the support ring 4 is adjustable in height in order to adjust the milling ring and slip ring. Alternatively, the resilient mounting can also be used with this Screw connection 8 be coupled.

A water collection ring W outgoing water supplies 18, 19 for the grinding segments and the Milling body provided, which are integrated into the tool.

Claims (10)

} JL claims for protection 1. Combined milling and grinding tool for stone processing, in particular for milling and simultaneous fine grinding of the grooves created during milling on workpieces made of stone or artificial stone, in which the grinding tool with grinding tools, e.g. key segments or slip rings, is combined with a coaxial, circular milling tool with milling bodies, e.g. milling segments and the grinding tool is designed to be adjustable with respect to the associated milling tool, characterized in that the The grinding part is resiliently or resiliently mounted relative to the milled part. 2. Tool according to claim 1, characterized in that the storage is designed in the form of vibration metal elements. 3. Tool according to claim 1, characterized in that the storage is designed in the form of spring elements. 4. Tool according to one of claims 1 to 3, characterized in that that the bearing is flexible in the axial direction and perpendicular to the slip ring and that a limited flexibility in the radial direction is provided. 5. Tool according to one of claims 1 to 4, characterized in that that the combined tool has an exchangeable receiving ring. -Z- 6. Tool according to one of claims 1 to 5, characterized in that that the grinding bodies are rigidly attached to a concentric slip ring and that the slip ring is attached to a support ring is, which in turn is rigidly connected to the receiving ring .ist. 7. Tool according to one of claims 1 to 6, characterized in that that the support ring has recesses for receiving the flexible or resilient elements with which the slip ring or the Abrasives are attached. 8. Tool according to one of claims 1 to 7, characterized in that that the resilient or resilient elements are arranged on bolts, which at their lower end a slip ring or the grinding body and which have a pretensioning device for the resilient or resilient elements at their upper end. 9. Tool according to one of claims 1 to 8, characterized in that that the support ring is designed to be adjustable in height. 10. Tool according to one of claims 1 to 9, characterized in that that a water collecting ring is formed in the receiving ring, from which water supply lines through the receiving ring to the grinding tools and are guided to the milling bodies.