Conveyor belt roller

Abstract

The utility model belongs to the technical field of machinery, and relates to a conveying device, in particular to a conveying belt roller which comprises a roller body, a shaft hole is formed in the center of the cross section of the roller body, and a plurality of trapezoid steel bars are evenly distributed on the surface of the roller body in the length direction of the roller body. Wherein the roller is a hollow cylinder; the shaft hole is cylindrical and concentric with the roller, and a key groove is formed in the inner wall of the shaft hole and used for being connected with a driving device. The trapezoidal steel bars are flat steel bars, the cross sections of the trapezoidal steel bars are isosceles trapezoids, and the base angles of the trapezoidal steel bars are 45 degrees. The trapezoid steel bars are installed on the circumference of the roller, the shape of the roller is changed into the drum shape with the protruding middle from the cylinder shape, when a conveying belt tends to deviate, the protruding portion of the roller generates transverse resistance to the belt, operation of the belt is stabilized, the conveying belt is prevented from deviating, and therefore equipment damage caused by material throwing leakage and friction is prevented, and the service life of the conveying belt is prolonged. It is guaranteed that the conveying belt device can operate perfectly and stably, installation is easy, and the equipment maintenance frequency and the maintenance cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical technical field relates to conveying device especially, it is a kind of conveying belt roller. BACKGROUND

[0002] In production activities, material conveying belt is widely used.In conventional conveying belt device, roller is cylindrical, and it is easy to cause conveying belt deviation due to belt stretching, roller wear, material falling into the force point of belt not in the center of belt and other conditions, thereby causing material scattering, belt scratching damage, equipment damage and other conditions, which greatly affect production operation. SUMMARY

[0003] In order to overcome the above-mentioned deficiencies of prior art, the utility model provides a conveying belt roller, which can avoid the situation of equipment wear and material leakage when cylindrical roller is used in conveying belt device, and ensure the integrity of equipment and orderly production.

[0004] TECHNICAL SCHEME

[0005] A kind of conveying belt roller, including roller, the cross section center of the roller is provided with shaft hole, several trapezoidal steel bars are evenly distributed on the surface of the roller along the length direction of the roller;Wherein, the roller is hollow cylindrical;The shaft hole is cylindrical, concentric with the roller, and the inner wall is provided with key groove for connecting driving device;The trapezoidal steel bar is flat steel bar, and the cross section is isosceles trapezoid, and the bottom angle is 45 °.

[0006] In the preferred embodiment of the utility model, the diameter of the shaft hole is 1 / 6 to 1 / 4 of the diameter of the roller, preferably 1 / 5.

[0007] In the preferred embodiment of the utility model, the length direction of the trapezoidal steel bar is trapezoidal according to three equal parts, the trapezoidal height is 12mm, and the width is selected as 40mm, 50mm or 60mm according to the diameter of the roller, and increases or decreases in turn.

[0008] Further, the length of the trapezoidal steel bar is the same as the length of the roller.

[0009] Further, the trapezoidal steel bar is evenly distributed in the circumferential direction of the roller according to 360 ° six or twelve equal parts.

[0010] Further, if the diameter of the roller exceeds 400mm, two trapezoidal steel bars are added for each increase of 100mm in diameter, and the roller is modified.

[0011] ADVANTAGEOUS EFFECTS

[0012] The utility model discloses a trapezoidal steel strip is installed on the circumference of roller, and the shape of roller changes from cylinder to drum with the middle bulge, when the conveying belt has the tendency of deviation, the bulge part of roller produces the transverse resistance to the belt, and the stable belt operation prevents the conveying belt deviation, thereby preventing the material spilling and the equipment damage caused by friction, ensuring that the conveying belt device can operate perfectly and stably, and the installation is simple, and the equipment maintenance frequency and maintenance cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 . the top view of conveying belt roller;

[0014] Figure 2 . the right view of conveying belt roller;

[0015] Figure 3 . the use schematic drawing of conveying belt roller;

[0016] Among them, each accessory name is respectively: 1. roller, 2. shaft hole, 3. trapezoidal steel strip, 4. driving roller, 5. belt seat bearing, 6. conveying belt, 7. material, 8. passive roller. DETAILED DESCRIPTION

[0017] The utility model will be described in detail below in combination with examples, so that the person skilled in the art better understands the utility model, but the utility model is not limited to the following examples.

[0018] Example 1

[0019] A conveying belt roller, including roller 1, the cross section center of roller 1 is equipped with shaft hole 2, and several trapezoidal steel strips 3 are evenly distributed on the surface of roller 1 along the length direction of roller 1;Wherein, the roller 1 is hollow cylinder;The shaft hole 2 is cylindrical, and concentric with the roller 1, and the inner wall is provided with a key groove for connecting the driving device;The trapezoidal steel strip 3 is flat steel strip, and the cross section is isosceles trapezoid, and the bottom angle is 45 °.

[0020] Example 2

[0021] A conveying belt roller, including roller 1, the cross section center of roller 1 is equipped with shaft hole 2, and several trapezoidal steel strips 3 are evenly distributed on the surface of roller 1 along the length direction of roller 1;Wherein, the roller 1 is hollow cylinder;The shaft hole 2 is cylindrical, and concentric with the roller 1, and the inner wall is provided with a key groove for connecting the driving device, and the diameter of the shaft hole 2 is 1 / 6 of the diameter of the roller 1;The trapezoidal steel strip 3 is flat steel strip, and the cross section is isosceles trapezoid, and the bottom angle is 45 °.

[0022] Example 3

[0023] A conveying belt roller comprises a roller 1, a shaft hole 2 is arranged in the center of the cross section of the roller 1, and a plurality of trapezoidal steel strips 3 are uniformly distributed on the surface of the roller 1 along the length direction of the roller 1; wherein the roller 1 is a hollow cylinder; the shaft hole 2 is cylindrical and concentric with the roller 1, the inner wall of the shaft hole 2 is provided with a key groove for connecting a driving device, and the diameter of the shaft hole 2 is 1 / 5 of the diameter of the roller 1; the trapezoidal steel strip 3 is a flat steel strip, the cross section of which is isosceles trapezoidal, and the base angle is 45°; the length direction of the trapezoidal steel strip 3 is processed into a trapezoid at three equal division positions, the trapezoidal height is 12mm, and the width is selected to be 40mm, 50mm or 60mm according to the diameter of the roller, and increases or decreases in turn.

[0024] Example 4

[0025] A conveying belt roller comprises a roller 1, a shaft hole 2 is arranged in the center of the cross section of the roller 1, and a plurality of trapezoidal steel strips 3 are uniformly distributed on the surface of the roller 1 along the length direction of the roller 1; wherein the roller 1 is a hollow cylinder; the shaft hole 2 is cylindrical and concentric with the roller 1, the inner wall of the shaft hole 2 is provided with a key groove for connecting a driving device, and the diameter of the shaft hole 2 is 1 / 5 of the diameter of the roller 1; the trapezoidal steel strip 3 is a flat steel strip, the cross section of which is isosceles trapezoidal, and the base angle is 45°; the length direction of the trapezoidal steel strip 3 is processed into a trapezoid at three equal division positions, the trapezoidal height is 12mm, and the width is selected to be 40mm, 50mm or 60mm according to the diameter of the roller, and increases or decreases in turn.

[0026] Example 5

[0027] A conveying belt roller comprises a roller 1, a shaft hole 2 is arranged in the center of the cross section of the roller 1, and a plurality of trapezoidal steel strips 3 are uniformly distributed on the surface of the roller 1 along the length direction of the roller 1; wherein the roller 1 is a hollow cylinder; the shaft hole 2 is cylindrical and concentric with the roller 1, the inner wall of the shaft hole 2 is provided with a key groove for connecting a driving device, and the diameter of the shaft hole 2 is 1 / 5 of the diameter of the roller 1; the trapezoidal steel strip 3 is a flat steel strip, the cross section of which is isosceles trapezoidal, and the base angle is 45°; the length direction of the trapezoidal steel strip 3 is processed into a trapezoid at three equal division positions, the trapezoidal height is 12mm, and the width is selected to be 40mm, 50mm or 60mm according to the diameter of the roller, and increases or decreases in turn.

[0028] Example 6

[0029] A kind of conveying belt roller, including roller 1, the cross-sectional center of the roller 1 is provided with shaft hole 2, several trapezoidal steel bars 3 are evenly distributed on the surface of the roller 1 along the length direction of the roller 1;Wherein, the roller 1 is hollow cylinder;The shaft hole 2 is cylindrical, concentric with the roller 1, the inner wall is provided with keyway, for connecting driving device, the diameter of the shaft hole 2 is 1 / 5 of the diameter of the roller 1;The trapezoidal steel bar 3 is flat steel bar, the cross section is isosceles trapezoid, base angle 45 °;The length direction of the trapezoidal steel bar 3 is trapezoidal by trisection position processing, trapezoidal height 12mm, width is selected 40mm, 50mm, 60mm in turn increases or decreases according to the diameter of roller;The length of the trapezoidal steel bar 3 is same with the length of the roller 1, the trapezoidal steel bar 3 is evenly distributed in the circumferential direction of roller 1 by 360 ° twelve equal parts.

[0030] Refer to the attached drawings Figure 3 In production activities, conveying belt device is often used to transport material. In the conveying belt device, one roller is arranged on each side, and the conveying belt 6 is installed on the outside of the driving roller 4 and the driven roller 8 and completes tensioning. The driving roller 4 is installed on the belt seat bearing 5, and the two are connected through an intermediate shaft. The intermediate shaft is connected with the shaft hole 2 by using a key. The driven roller 8 is similar. The other side of the intermediate shaft in the driving roller 4 is connected with a speed reducer, which generates a torque to rotate, drives the conveying belt 6 to move longitudinally, and then drives the driven roller 8 to rotate. The material 7 on the conveying belt 6 advances with the conveying belt 6, and the transportation work is completed.

[0031] In this process, the roller in the conventional conveying belt device is cylindrical, and conditions such as belt stretching, roller wear, and material falling into the force point of the belt not being in the center of the belt are prone to occur, which causes the conveying belt to deviate, thereby causing the material to be scattered, the belt to be scratched and damaged, and the equipment to be damaged, which greatly affects the production operation. The trapezoidal steel bars are installed on the circumference of the roller, and the shape of the roller changes from cylindrical to drum-shaped with a protrusion in the middle. When the conveying belt has a deviation tendency, the protruding part of the roller generates a transverse resistance to the belt, stabilizes the belt operation, and prevents the conveying belt from deviating, thereby preventing the material from being scattered and leaked and the equipment from being damaged due to friction, ensuring that the conveying belt device can operate perfectly and stably, and the installation is simple, reducing the equipment maintenance frequency and maintenance cost.

[0032] The above-described embodiments are merely examples of the present application and do not limit the scope of the patent, and any equivalent structure or equivalent process transformation in the present application or direct or indirect application in other related technical fields is also included in the patent protection scope of the present application.

Claims

1. A conveyor belt roller, comprising a roller (1), wherein a shaft hole (2) is provided at the center of the cross-section of the roller (1), and a plurality of trapezoidal steel strips (3) are uniformly distributed along the length direction of the roller (1) on the surface of the roller (1); characterized in that: The roller (1) is a hollow cylinder; the shaft hole (2) is cylindrical and concentric with the roller (1), and its inner wall is provided with a keyway for connecting the drive device; the trapezoidal steel strip (3) is a flat steel strip with an isosceles trapezoidal cross section and a base angle of 45°.

2. The conveyor belt roller according to claim 1, characterized in that: The diameter of the shaft hole (2) is 1 / 6 to 1 / 4 of the diameter of the roller (1).

3. The conveyor belt roller according to claim 2, characterized in that: The diameter of the shaft hole (2) is 1 / 5 of the diameter of the roller (1).

4. The conveyor belt roller according to claim 1, characterized in that: The trapezoidal steel strip (3) is processed into a trapezoidal shape in three equal parts along its length. The height of the trapezoid is 12mm, and the width is selected according to the diameter of the roller, such as 40mm, 50mm, and 60mm, which are increased or decreased in sequence.

5. The conveyor belt roller according to claim 1, characterized in that: The length of the trapezoidal steel bar (3) is the same as the length of the roller (1).

6. The conveyor belt roller according to claim 1, characterized in that: The trapezoidal steel strips (3) are evenly distributed in six or twelve equal parts in the circumferential direction of the roller (1) at 360°.

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