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A grinder, which is designed to cut frozen or fresh or fresh meat, has a set of blades, comprising a carving blade (2) and a perforated disc (4), in-between which a blade (3) is arranged in a defined fixed intermediate space. The blade (3) is spring-loaded and is pressed against the perforated disc

A grinder, which is designed to cut frozen or fresh or fresh meat, has a set of blades, comprising a carving blade (2) and a perforated disc (4), in-between which a blade (3) is arranged in a defined fixed intermediate space. The blade (3) is spring-loaded and is pressed against the perforated disc with a preset force, so that wear can remain constant throughout the service life of the blade, and the service life of the blade can be enhanced.

대표청구항 ▼

1. A grinder, particularly for the grinding of frozen and fresh meat, comprising a worm conveyor (1), a drive shaft (10), and a set of blades which comprising a carving blade (2) arranged after the worm conveyor (1), a perforated disc (4) arranged after the carving blade (2) at a fixed distance, a d

1. A grinder, particularly for the grinding of frozen and fresh meat, comprising a worm conveyor (1), a drive shaft (10), and a set of blades which comprising a carving blade (2) arranged after the worm conveyor (1), a perforated disc (4) arranged after the carving blade (2) at a fixed distance, a driven blade (3) arranged between the carving blade (2) and the perforated disc (4), and a spring (8) disposed between the worm conveyor (1) and the driven blade (3) to bias the driven blade (3) toward the perforated disc (4), the set of blades being clamped by a cap nut (7) in a worm housing (9), wherein the distance from the carving blade (2) to the perforated disc (4) is equal to or slightly greater than an axial extension of the driven blade (3), and wherein the driven blade (3) is arranged on the drive shaft (10) in an axially displaceable fashion and pressed against the perforated disc (4) with a predetermined initial spring loading provided by the spring (8). 2. The grinder according to claim 1, wherein the carving blade (2) has a greater inner diameter than a diameter of the drive shaft (10), and wherein a pressure element (15) acting upon the blade (3) by force of the spring (8) is arranged in an intermediate space between the drive shaft (10) and the carving blade (2). 3. The grinder according to claim 1, wherein the carving blade (2) comprises two parts pressed against each other. 4. The grinder according to claim 1, wherein the perforated disc (4) is followed by at least one other perforated disc (4) at a fixed distance, between which a spring-loaded driven blade (3) is arranged. 5. The grinder according-to claim 2, wherein the pressure element (15) is a spring-loaded bushing. 6. The grinder according to claim 5, wherein the spring (8) is a disc or helical spring. 7. The grinder according to claim 6, wherein the pressure element (15) includes the helical spring (8).