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DE-202026101362-U1 - Drive element for a conveyor belt

DE202026101362U1DE 202026101362 U1DE202026101362 U1DE 202026101362U1DE-202026101362-U1

Abstract

Drive element (100) for a conveyor belt, comprising a drive shaft (10) and at least one gear (11) and at least one adjusting ring (12), wherein the gear (11) and the adjusting ring (12) are arranged on the drive shaft (10), and comprising at least one fixing element (13) for fixing the gear (11) at least in the circumferential direction (U) of the drive shaft (10), wherein the gear (11) and the adjusting ring (12) each comprise a receiving contour (14, 15), wherein the fixing element (13) extends in the axial direction (A) through the receiving contour (14) of the gear (11) and the receiving contour (15) of the adjusting ring (12).

Assignees

  • KAUL FOERDERTECHNIK GMBH

Dates

Publication Date
20260513
Application Date
20260311
Priority Date
20260311

Claims (20)

  1. Drive element (100) for a conveyor belt, comprising a drive shaft (10) and at least one gear (11) and at least one adjusting ring (12), wherein the gear (11) and the adjusting ring (12) are arranged on the drive shaft (10), and comprising at least one fixing element (13) for fixing the gear (11) at least in the circumferential direction (U) of the drive shaft (10), wherein the gear (11) and the adjusting ring (12) each comprise a receiving contour (14, 15), wherein the fixing element (13) extends in the axial direction (A) through the receiving contour (14) of the gear (11) and the receiving contour (15) of the adjusting ring (12).
  2. Drive element (100) according to Claim 1 , wherein the drive shaft (10) comprises a drum motor.
  3. Drive element (100) according to one of the preceding claims, wherein the gear (11) is designed as a closed ring, and in particular as a single piece.
  4. Drive element (100) according to one of the preceding claims, wherein the adjusting ring (12) is designed in two parts, comprising two adjusting ring halves (12a, 12b), which can be solvably connected to each other.
  5. Drive element (100) according to Claim 4 , wherein a first of the two adjusting ring halves (12a) has at least one, preferably two, tangential first through-openings (16) and the second adjusting ring half (12b) has at least one, preferably two, tangential second through-openings (16), wherein the first through-openings (16) and the second through-openings (16) are aligned with each other and a fastening element (17), in particular a screw, extends through the first through-openings (16) and the second through-openings (16) for fastening the adjusting ring (12) to the drive shaft (10).
  6. Drive element (100) according to one of the preceding claims, wherein the fixing element (13) is attached to the drive shaft (10).
  7. Drive element (100) according to Claim 6 , wherein the fixing element (13) is attached to the drive shaft (10) by means of an adhesive connection, a welded connection and/or clamping, in particular by means of a clamping element (18), preferably a clamping screw.
  8. Drive element (100) according to one of the preceding claims, wherein the adjusting ring (12) is clamped to the drive shaft (10).
  9. Drive element (100) according to Claim 8 , wherein the adjusting ring (12) is clamped to the drive shaft (10) by means of a clamping element (18) which extends through the adjusting ring (12).
  10. Drive element (100) according to Claim 9 , wherein the clamping element (18) is a clamping screw.
  11. Drive element (100) according to one of the preceding claims, wherein the adjusting ring (12) and the fixing element (13) are attached to the drive shaft (10) by means of a common clamping element (18), in particular a clamping screw.
  12. Drive element (100) according to Claim 11 , wherein the common clamping element (18) extends through a through-opening (19) in the adjusting ring (12) and an opening (20) in the fixing element (13).
  13. Drive element (100) according to one of the preceding claims, wherein the fixing element (13) is a key and wherein the receiving contour (14) of the gear (11) and the receiving contour (15) of the adjusting ring (12) are each designed as a groove for receiving the key.
  14. Drive element (100) according to one of the preceding claims, comprising at least two, preferably at least three, four or five gears (11), wherein a common fixing element (13) extends through the receiving contours (14) of the at least two gears (11) and the receiving contour (15) of at least one adjusting ring (12).
  15. Drive element (100) according to one of the preceding claims, wherein a common fixing element (13) extends through the receiving contours (14, 15) of all gears (11) and adjusting rings (12).
  16. Drive element (100) according to one of the preceding claims, wherein the fixing element (13) has a constant width (B) along its axial extension (A).
  17. Drive element (100) according to one of the Claims 1 until 16 , wherein the fixing element (13) has at least one tapered section (21), wherein at least one gear (11) is arranged in the region of the tapered section (21) and the gear (11) bears against at least two contact steps (22) formed by the tapered section (21) at the axial ends of the tapered section (21), so that the gear (11) is fixed to the drive shaft (10) in the axial direction (A).
  18. Drive element (100) according to Claim 17 , wherein a reduction (21) is provided for each gear (11) and each adjusting ring (12) in which the gear (11) and the adjusting ring (12) are arranged, so that the gear (11) or the adjusting ring (12) is fixed in axial direction (A) on the drive shaft (10).
  19. Drive element (100) according to one of the preceding claims, comprising several gears (11) and several adjusting rings (12), wherein exactly one adjusting ring (12) is arranged between two adjacent gears (11).
  20. Drive element (100) according to Claim 19 , wherein the gears (11) and adjusting rings (12) are arranged spaced apart from each other.

Description

The invention relates to a drive element for a conveyor belt and a drive device comprising such a drive element. This description concerns drive elements and drive units for conveyor belts, as well as conveying equipment operated by such drive elements. Conveyor belt systems, particularly systems with modular conveyor belts or those incorporating freely rotating balls, are used in a wide variety of logistics, transport, and sorting applications. They serve the continuous transport of goods in a main conveying direction and, in combination with additional cross-conveying devices, also enable the targeted redirection or diversion of the transported items. In the known art, drive drums are frequently used to implement the main conveying motion. Their outer surface is provided with a multitude of circumferential grooves arranged at regular intervals. These grooves serve to accommodate and guide freely mounted balls of a ball-bearing conveyor belt during their rotation. Gears or pinions are typically arranged between the grooves, engaging in the spaces between the balls and thus driving the main conveyor belt. However, the manufacture of such drive drums is complex, as both the creation of the numerous grooves and the fastening of the gears in the limited spaces require considerable machining and assembly effort. In many applications, cross conveyors are also arranged below the main conveyor belt, making contact with the lower sections of the freely mounted balls. The movement of these cross conveyors allows the balls to be rotated, so that the conveyed material is discharged in a controlled manner perpendicular to the main conveying direction. The object of the invention is to provide a drive element for a conveyor belt that is particularly easy and flexible to manufacture and at the same time enables reliable fixing and positioning of gears on a drive shaft. This problem is solved by a drive element for a conveyor belt, comprising a drive shaft, at least one gear, and at least one adjusting ring arranged on the drive shaft. Furthermore, a fixing element is provided for fixing the gear, at least in the circumferential direction of the drive shaft. The gear and the adjusting ring each have a receiving contour, with the fixing element extending axially through these receiving contours. The proposed drive element is particularly suitable for use in a conveyor system where a main conveyor belt operates in a primary conveying direction and an additional transverse conveyor belt is arranged below the main conveyor belt. The main conveyor belt has freely rotatable balls that can be influenced or driven by the transverse conveyor belt to selectively discharge conveyed goods laterally, perpendicular to the primary drive direction. While prior art uses drive drums with a multitude of circumferential grooves to accommodate the balls, between which gears or pinions are mounted for the frictional drive of the conveyor belts, such grooves are preferably omitted in the present proposal. Instead, a drive shaft is used, which may in particular have a smooth cylindrical surface that is free of grooves, especially those intended for receiving the balls. The clearances required for the operation of the ball-guiding conveyor belt are determined by the distances between the gears and adjusting rings arranged on the drive shaft, allowing the balls to be guided within these clearances. The fixing element is located between the drive shaft and the gear or adjusting ring within the respective receiving contour of the gear or adjusting ring, and rests against the cylindrical surface of the drive shaft. The fixing element is attached to the drive shaft and assumes a defined axial position and a fixed circumferential position. Its axial extension through the corresponding receiving contours ensures the transmission of circumferential forces, thus preventing the gear from rotating relative to the drive shaft. In particular, the fixing element is positively engaged within the receiving contours. The receiving contours of the adjusting ring and the gear are arranged in particular axially aligned with each other or along a common axial line, so that the fixing element can extend in axial direction through both receiving contours. In particular, the fixing element is designed as an elongated element extending in the axial direction. Specifically, the The fixing element, particularly when a common fixing element is provided for all gears and adjusting rings, extends substantially over the entire cylindrical surface. Preferably, the fixing element has a bent section at one axial end, which projects radially inward from an axial section of the fixing element. This bent section rests, in particular, against an axial end face of the drive shaft. This advantageously facilitates the axial positioning of the fixing element. An adjusting ring is, in particular, an element that surrounds or is arranged on the drive shaft, at least partially or completely