Anti-deviation belt pulley assembly and conveying belt device
By using a first bearing and a second bearing in the pulley assembly, along with a limiting structure, the problem of pulley misalignment caused by external force displacement is solved, thus achieving stable rotation of the pulley and precise material conveying.
Patent Information
- Application Number
- CN202422845991.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-21
AI Technical Summary
In existing conveyor belt systems, the pulleys are prone to displacement along the fixed axis due to external forces, causing the belt to run off-track and affecting the accuracy of material conveying.
The pulley body is supported by a first bearing and a second bearing, and the movement of the bearing in the direction of the fixed axis is restricted by a limiting structure to ensure stable rotation of the pulley.
It effectively prevents axial displacement of the pulley on the fixed shaft, avoids belt misalignment, and ensures accurate material conveying.
Smart Images

Figure CN223457579U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of conveyor belt device design, especially relates to a kind of anti-deviation pulley assembly and conveyor belt device. BACKGROUND
[0002] In prior art, conveyor belt device mainly plays the role of transporting material in production equipment, which generally includes belt and pulley for driving and supporting the belt.
[0003] At present, the pulley in conveyor belt device is generally rotatably connected to the fixed shaft by single bearing, since the belt will generate certain external force to the pulley in the belt moving process, the pulley will drive the bearing to displace along the axis of the fixed shaft under the external force of the belt, when the above displacement occurs, it will lead to the phenomenon that the belt deviates, thereby leading to the conveyor belt device unable to transport material to target position, and it must be corrected by stopping, which undoubtedly causes certain influence on the whole production.
[0004] Therefore, finding a technical scheme capable of solving the above technical problems becomes an important subject for the person skilled in the art to research. UTILITY MODEL CONTENT
[0005] The utility model embodiment discloses a kind of anti-deviation pulley assembly and conveyor belt device, for solving the technical problem that the belt on existing conveyor belt device is easy to deviate.
[0006] The anti-deviation pulley assembly provided by the utility model includes support frame, limiting structure, pulley body and fixed shaft provided on the support frame;
[0007] The first bearing and the second bearing are provided on the fixed shaft, and the first bearing and the second bearing are provided along the axial direction of the fixed shaft;
[0008] The pulley body is sleeved on the first bearing and the second bearing, and is rotatably connected with the fixed shaft by the first bearing and the second bearing;
[0009] The limiting structure is provided on the fixed shaft and is used for limiting the movement of the first bearing and the second bearing along the axial direction of the fixed shaft.
[0010] Optionally, the limiting structure includes a baffle and first and second shaft shoulders protruding along the diameter direction of the fixed shaft;
[0011] The first shaft shoulder and the second shaft shoulder are arranged along the axial direction of the shaft, the first shaft shoulder is located on the side of the first bearing away from the second bearing, the second shaft shoulder is located on the side of the second bearing away from the first bearing, the first shaft shoulder abuts against the side of the first bearing away from the second bearing, the shaft is recessed to form a groove in the axial direction of the shaft, the groove is located between the second shaft shoulder and the second bearing, the baffle is embedded in the groove, and one side surface of the baffle abuts against the side of the second bearing away from the first bearing, and the other side surface of the baffle abuts against the second shaft shoulder.
[0012] Optionally, the first bearing comprises a first inner ring and a first outer ring rotatably arranged on the first inner ring, wherein the first inner ring is sleeved on the shaft, and the pulley body is sleeved on the first outer ring.
[0013] Optionally, first rolling balls are arranged between the first inner ring and the first outer ring.
[0014] Optionally, the second bearing comprises a second inner ring and a second outer ring rotatably arranged on the second inner ring, wherein the first inner ring is sleeved on the shaft, and the pulley body is sleeved on the second outer ring.
[0015] Optionally, second rolling balls are arranged between the second inner ring and the second outer ring.
[0016] Optionally, the baffle is a snap spring.
[0017] The conveying belt device provided by the utility model has the advantages that the anti-deviation pulley assembly is used in the conveying belt device.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] In the anti-deviation pulley assembly, the first bearing and the second bearing are used to support the pulley body, the stability of the pulley during rotation is effectively enhanced, and the movement of the first bearing and the second bearing in the axial direction of the shaft is limited by the limiting structure, so that the technical problem that the belt is prone to deviation is effectively solved. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the drawings without creative labor.
[0021] Fig. 1A structure schematic view of a deviation-preventing belt pulley assembly is provided for the embodiment of the utility model.
[0022] Fig. 2 A structure sectional view of a deviation-preventing belt pulley assembly is provided for the embodiment of the utility model.
[0023] Illustration: support frame 1, belt pulley body 2, fixed shaft 3, first shaft shoulder 301, second shaft shoulder 302, groove 303, baffle 4, first bearing 5, second bearing 6. DETAILED DESCRIPTION
[0024] The utility model discloses a kind of deviation-preventing belt pulley assembly and conveyor belt device, for solving the technical problem that the belt on the existing conveyor belt device is easy to deviate.
[0025] In order to make the personnel of this technical field better understand the utility model scheme, the utility model is further explained in detail below in conjunction with drawings and specific embodiments. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.
[0026] Please refer to Figs. 1-2 The utility model embodiment provides a kind of deviation-preventing belt pulley assembly, including support frame 1, limiting structure, belt pulley body 2 and the fixed shaft 3 being set on the support frame 1;
[0027] The fixed shaft 3 is provided with first bearing 5 and second bearing 6, and the first bearing 5 and the second bearing 6 are arranged along the axial direction of the fixed shaft 3;
[0028] The belt pulley body 2 is sleeved on the first bearing 5 and the second bearing 6, and is rotatably connected with the fixed shaft 3 by the first bearing 5 and the second bearing 6;
[0029] The limiting structure is arranged on the fixed shaft 3 and is used to limit the movement of the first bearing 5 and the second bearing 6 along the axial direction of the fixed shaft 3.
[0030] In the deviation-preventing belt pulley assembly of the embodiment, the first bearing 5 and the second bearing 6 are used to support the belt pulley body 2, effectively enhance the stability when the belt pulley rotates, and the movement of the first bearing 5 and the second bearing 6 in the axial direction of the fixed shaft 3 is limited by the limiting structure, thereby effectively solving the technical problem that the belt is easy to deviate.
[0031] Specifically, the limiting structure in the embodiment includes baffle 4 and first shaft shoulder 301 and second shaft shoulder 302 protruding along the diameter direction of the fixed shaft 3.
[0032] The first shaft shoulder 301 and the second shaft shoulder 302 are arranged along the axial direction of the fixed shaft 3, the first shaft shoulder 301 is located on the side of the first bearing 5 away from the second bearing 6, the second shaft shoulder 302 is located on the side of the second bearing 6 away from the first bearing 5, the first shaft shoulder 301 abuts against the side of the first bearing 5 away from the second bearing 6, the fixed shaft 3 is recessed to form a groove 303 in the axial direction of the fixed shaft 3, the groove 303 is located between the second shaft shoulder 302 and the second bearing 6, the baffle 4 is embedded in the groove 303, and one side surface of the baffle 4 abuts against the side surface of the second bearing 6 away from the first bearing 5, and the other side surface of the baffle 4 abuts against the second shaft shoulder 302.
[0033] It should be noted that in the above design, since the first shaft shoulder 301 limits the displacement of the first bearing 5 in the first direction, and the baffle 4 limits the displacement of the second bearing 6 in the second direction, the pulley body 2 can only rotate on the fixed shaft 3 and cannot move axially on the fixed shaft 3, so that the pulley body 2 cannot be axially displaced when subjected to an external force of the belt, effectively avoiding the situation of belt deviation.
[0034] Specifically, the first bearing 5 and the second bearing 6 in the embodiment are ball bearings, and the structure of the first bearing 5 specifically includes a first inner ring and a first outer ring rotatably arranged on the first inner ring, wherein the first inner ring is sleeved on the fixed shaft 3, and the pulley body 2 is sleeved on the first outer ring.
[0035] The first inner ring and the first outer ring are provided with first balls therebetween.
[0036] The structure of the second bearing 6 specifically includes a second inner ring and a second outer ring rotatably arranged on the second inner ring, wherein the first inner ring is sleeved on the fixed shaft 3, and the pulley body 2 is sleeved on the second outer ring.
[0037] The second inner ring and the second outer ring are provided with second balls therebetween.
[0038] Further, the baffle 4 in the embodiment is preferably a clasp spring.
[0039] Please refer to Figs. 1-2 The utility model embodiment provides a conveying belt device which comprises the anti-deviation pulley assembly.
[0040] Specifically, the number of the anti-deviation belt pulley assembly can be multiple, the belt in the conveying belt device is sleeved on the anti-deviation belt pulley assembly, and when the belt is driven to move, the anti-deviation belt pulley assembly can support and drive the belt.
[0041] In the conveying belt device of the embodiment, the first bearing 5 and the second bearing 6 are used to support the belt pulley body 2, so that the stability during rotation of the belt pulley is effectively enhanced, and the movement of the first bearing 5 and the second bearing 6 in the axial direction of the fixed shaft 3 is limited by the limiting structure, thereby effectively solving the technical problem that the belt is prone to deviation.
[0042] The anti-deviation belt pulley assembly and the conveying belt device are described in detail above, and for the general technical personnel in the field, the specific implementation and application range will be changed according to the idea of the embodiment of the utility model, and the content of the specification should not be understood as the limitation of the utility model.
Claims
1. A guard pulley assembly comprising: The supporting frame (1), the limiting structure, the belt pulley body (2) and the fixed shaft (3) arranged on the supporting frame (1) are included. The first bearing (5) and the second bearing (6) are arranged on the fixed shaft (3) along the axial direction of the fixed shaft (3). The belt pulley body (2) is sleeved on the first bearing (5) and the second bearing (6) and is rotationally connected with the fixed shaft (3) through the first bearing (5) and the second bearing (6). The limiting structure is arranged on the fixed shaft (3) and is used for limiting the movement of the first bearing (5) and the second bearing (6) along the axial direction of the fixed shaft (3).
2. The self-correcting pulley assembly of claim 1, wherein, The limiting structure includes the blocking piece (4) and the first shaft shoulder (301) and the second shaft shoulder (302) protruding along the diameter direction of the fixed shaft (3). The first shaft shoulder (301) and the second shaft shoulder (302) are arranged along the axial direction of the fixed shaft (3), the first shaft shoulder (301) is located on the side of the first bearing (5) away from the second bearing (6), the second shaft shoulder (302) is located on the side of the second bearing (6) away from the first bearing (5), the first shaft shoulder (301) abuts against the side of the first bearing (5) away from the second bearing (6), the fixed shaft (3) is recessed to form a groove (303) in the axial direction thereof, the groove (303) is located between the second shaft shoulder (302) and the second bearing (6), the blocking piece (4) is embedded in the groove (303), one side surface of the blocking piece (4) abuts against the side surface of the second bearing (6) away from the first bearing (5), and the other side surface of the blocking piece (4) abuts against the second shaft shoulder (302).
3. The self-correcting pulley assembly of claim 1, wherein, The first bearing (5) includes a first inner ring and a first outer ring rotationally arranged on the first inner ring, the first inner ring is sleeved on the fixed shaft (3), and the belt pulley body (2) is sleeved on the first outer ring.
4. The self-tracking pulley assembly of claim 3, wherein, First rolling balls are arranged between the first inner ring and the first outer ring.
5. The self-tracking pulley assembly of claim 3, wherein, The second bearing (6) includes a second inner ring and a second outer ring rotationally arranged on the second inner ring, the first inner ring is sleeved on the fixed shaft (3), and the belt pulley body (2) is sleeved on the second outer ring.
6. The self-tracking pulley assembly of claim 5, wherein, Second rolling balls are arranged between the second inner ring and the second outer ring.
7. The self-tracking pulley assembly of claim 2, wherein, The blocking piece (4) is a clamping spring.
8. A conveyor belt apparatus, characterized by The anti-deviation belt pulley assembly includes the anti-deviation belt pulley assembly according to any one of claims 1 to 7.