CN-122009724-A - Variable-angle linkage roller mechanism

CN122009724ACN 122009724 ACN122009724 ACN 122009724ACN-122009724-A

Abstract

The invention discloses a variable-angle linkage roller mechanism, and belongs to the technical field of material conveying. The mechanism fixing shaft supports the roller through a bearing, the roller is connected with the transmission shaft through a universal joint coupling, the transmission shaft is positioned through a fixing seat, the multi-wedge belt wheel is sleeved on the transmission shaft and locked by a ball head jackscrew, and the multi-wedge belt wheel realizes synchronous transmission of a plurality of groups of mechanisms through a multi-wedge belt. The invention realizes the angle adjustment of the roller on the Y axis and the Z axis through the universal joint coupling, can be rapidly switched into a plurality of working modes such as common roller conveying, automatic side-by-side conveying, oblique angle conveying, centering conveying and the like, solves the technical problems that the traditional roller conveying line has single function and can not flexibly adapt to different conveying requirements, reduces dead weight by adopting the hollow roller, ensures the stability of power transmission by adopting the multi-wedge belt transmission, has compact structure and convenient adjustment, is suitable for multi-scene material conveyers such as automatic production lines, material flow sorting lines and the like, and has remarkable practicability and popularization value.

Inventors

Pu shuo
LONG HAIBO
LIANG LIYING
DAI WENHUI
ZHANG QIANG
LIU JIAXI
XU JINRU
Deng Zongdu

Assignees

沈阳大学

Dates

Publication Date: 20260512
Application Date: 20260407

Claims (10)

1. The variable-angle linkage roller mechanism is characterized by comprising a fixed shaft (1), a bearing (2), a roller (3), a universal joint coupler (4), a fixed seat (5), a multi-wedge belt wheel (6), a transmission shaft (7) and a ball head jackscrew (8); The fixed shaft (1) is arranged at the end part of the roller (3) and used for supporting and positioning the end part of the roller (3), the bearing (2) is sleeved on the fixed shaft (1), and the outer ring of the bearing (2) is matched with the inner wall of the roller (3) so that the roller (3) can rotate around the fixed shaft (1); The power input end of the roller (3) is connected with the transmission shaft (7) through the universal joint coupling (4); The universal joint coupling (4) can enable the roller (3) to realize angle adjustment relative to the transmission shaft (7) in at least two spatial directions; The transmission shaft (7) is arranged in the universal joint coupler (4) in a penetrating way, and the fixed seat (5) is in concentric interference fit with the universal joint coupler (4) to realize the supporting and positioning of the transmission shaft (7) and the universal joint coupler (4) by the fixed seat (5); The multi-wedge belt wheel (6) is fixedly arranged on the transmission shaft (7), a left wedge groove and a right wedge groove are respectively arranged on the multi-wedge belt wheel (6), and the two wedge grooves are respectively used for being matched with the multi-wedge belt to realize power transmission; the multi-wedge belt pulley (6) is provided with a threaded hole, and the ball head jackscrew (8) is tightly propped against the outer wall of the transmission shaft (7) through the threaded hole, so that circumferential locking and torque transmission of the multi-wedge belt pulley (6) and the transmission shaft (7) are realized.
2. A variable angle linked drum mechanism according to claim 1, characterized in that the universal joint coupling (4) is a cross joint type universal joint, which enables angular deflection adjustment of the drum (3) about a horizontal Y-axis perpendicular to the conveying direction and a vertical Z-axis, so that the drum (3) can be mounted in an inclined state or in a parallel conveying state.
3. The variable-angle linkage roller mechanism according to claim 1, wherein the fixed shaft (1) is a non-rotating supporting shaft, the fixed shaft (1) is matched with an inner ring of the bearing (2), an outer ring of the bearing (2) is in transition fit with an inner wall of the roller (3), and sealing structures are arranged at two ends of the roller (3) and used for blocking dust or sundries from entering the bearing (2).
4. The variable-angle linkage roller mechanism according to claim 1, wherein only one end of the roller (3) is provided with a fixed shaft (1) and a bearing (2), and one end of the roller (3) which is not provided with the fixed shaft (1) and the bearing (2) is connected with a transmission shaft (7) through a universal joint coupling (4) to realize power input.
5. The variable-angle linkage roller mechanism according to claim 1, wherein the fixing base (5) is of a supporting base structure, and a through hole or a bearing structure for accommodating the transmission shaft (7) is arranged in the fixing base (5), so that the transmission shaft (7) is rotatably supported on the fixing base (5).
6. The variable-angle linkage roller mechanism according to claim 1, wherein the left wedge groove and the right wedge groove of the multi-wedge belt wheel (6) are symmetrically arranged and are respectively used for connecting a multi-wedge belt so as to realize series synchronous transmission among a plurality of groups of roller conveying mechanisms.
7. The variable-angle linkage roller mechanism according to claim 1, wherein the ball end of the ball jackscrew (8) is in press fit with the surface of the transmission shaft (7) so as to prevent the multi-wedge belt wheel (6) from slipping circumferentially and moving axially relative to the transmission shaft (7).
8. The variable-angle linkage roller mechanism according to claim 1, wherein the mechanism can be switched between at least a normal linear conveying mode in which the roller is parallel to the conveying direction, an automatic side-by-side conveying mode in which the roller is inclined to one side, an oblique angle conveying mode in which the roller is inclined, and a material centering conveying mode in which the rollers on both sides are inclined symmetrically to the middle by adjusting the inclination angle of the roller (3) relative to the conveying direction.
9. The variable-angle linkage roller mechanism according to claim 1, wherein a plurality of groups of the variable-angle linkage roller mechanisms are sequentially connected in series through a V-ribbed belt, and are driven by one or more power sources to realize synchronous rotation, so that a roller conveying line capable of integrally switching conveying modes is formed.
10. A multi-mode adjustable roller conveying line, which is characterized by comprising a plurality of variable-angle linkage roller mechanisms according to any one of claims 1-10, wherein each mechanism is in linkage through cooperation of a multi-wedge belt and a multi-wedge belt wheel (6), and the whole conveying line is switched among common conveying, side-by-side conveying, oblique-angle conveying and centering conveying modes by uniformly adjusting the angle of each roller (3).

Description

Variable-angle linkage roller mechanism Technical Field The invention belongs to the technical field of material conveying, and particularly relates to a variable-angle linkage roller mechanism. Background The roller conveying line is one of the most widely used material conveying equipment in an automatic production line and a logistics sorting system, and has the core function of realizing stable conveying of materials through rotation of rollers, in the prior art, the roller conveying line is mainly divided into a common roller line, an edge roller line, an oblique roller line and the like, but the structure of each roller line is fixed, the function is single, the common roller line can only realize linear conveying and can not position the materials, the edge roller line/oblique roller line can realize single-side edge leaning of the materials through oblique rollers, but the angle is fixed and can not be switched into a central conveying mode or a common conveying mode, and part of the angle-adjustable roller lines can only realize angle adjustment in a single direction and can not meet the requirement of flexible switching of multiple scenes. Meanwhile, the existing angle-adjustable roller line has the defects that the transmission structure is complex, chain transmission is adopted, the problems of chain jump, high noise and high maintenance cost are easy to occur, the positioning reliability of the roller is poor after angle adjustment, the angle deviation is easy to occur after long-term use, the conveying precision is affected, the rollers are of a solid structure, the dead weight is large, the driving load is increased, the conveying efficiency is reduced, the synchronous and accurate transmission of multiple groups of rollers cannot be realized, and the requirement of a large-scale automatic production line is difficult to adapt. Aiming at the problems, the development of an angle-adjustable roller conveying mechanism which is compact in structure, convenient to adjust, capable of being switched in multiple modes and stable in transmission is needed to meet the flexible requirements of different material conveying scenes. Disclosure of Invention The invention aims to overcome the defects of the prior art, provide a variable-angle linkage roller mechanism, realize multidirectional angle adjustment of a roller through a universal joint coupler, ensure power stability by combining with multi-wedge belt transmission, realize multi-mode installation switching of common conveying, side-by-side conveying, bevel conveying, central conveying and the like, and solve the technical problems of single function and poor transmission reliability of the traditional roller line. The invention adopts the following technical scheme that the variable-angle linkage roller mechanism comprises a fixed shaft, a bearing, a roller, a universal joint coupler, a fixed seat, a multi-wedge belt wheel, a transmission shaft and a ball head jackscrew; The fixed shaft is of a shaft-shaped structure with mounting holes at two ends and used for fixedly supporting the tail end of the roller, the bearing is sleeved on the outer side of the fixed shaft and in transition fit with the inner wall of the roller so as to reduce friction resistance when the roller rotates, the roller is of a hollow tubular structure and sleeved on the outer side of the bearing and is in rotary connection with the fixed shaft through the bearing, and the hollow structure reduces dead weight of the roller so as to reduce driving load; one end of the universal joint coupler is connected with the power input end of the roller, the other end of the universal joint coupler is connected with the transmission shaft, and the universal joint coupler is used for realizing the angle adjustment of the roller around the Y axis and the Z axis, and further switching the working mode of the conveying line through different mounting modes; The fixed seat is of a seat body structure with a supporting base, the transmission shaft is arranged in the universal joint coupling in a penetrating mode, the fixed seat and the universal joint coupling are in concentric interference fit, supporting and positioning of the transmission shaft and the universal joint coupling by the fixed seat are achieved, and running stability of the mechanism is guaranteed; the transmission shaft penetrates through the fixing seat, and two ends of the transmission shaft are respectively connected with rollers at two sides through universal joint couplings and are used for transmitting the power of the multi-wedge belt wheel to the rollers; the ball head jackscrew threaded connection is in the lateral wall of polywedge bet pulley, and the tight transmission shaft of ball head end top for locking polywedge bet pulley and transmission shaft prevents to appear skidding in the transmission process, guarantees power transmission's stability. Furthermore, the universal joint coupler is a cross-shaft type univ