CN212663730U

CN212663730U - Scattering roller

Info

Publication number: CN212663730U
Application number: CN202021383479.9U
Authority: CN
Inventors: 陈英; 李治国
Original assignee: ZHUZHOU NEW TIMES CONVEYOR MACHINERY CO Ltd
Current assignee: ZHUZHOU NEW TIMES CONVEYOR MACHINERY CO Ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-09
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a scattering roller, which comprises a shaft used for rotating a fixed shaft and a plurality of shifting arms; the shaft is provided with a plurality of mounting holes at intervals along the axial direction, and any mounting hole penetrates through the shaft in the axial direction; all the shifting arms are inserted into all the mounting holes in a one-to-one corresponding mode, and two ends of any one shifting arm are located on two radial opposite sides of the shaft respectively. This break up roller passes through shaft hole assembly and welds the connection that realizes the axle and dial the arm, consequently, compares in the prior art that only relies on welded fastening, the utility model provides a break up roller only need set up less welding seam can satisfy the axle with dial the fixed connection of arm, and welding stress is little, is favorable to reducing the cracked risk of welding seam. The utility model provides an among the break up roller, one dials the arm and forms two cantilever structure at the radial two opposite sides of axle, can improve the mechanical properties who dials the arm, further improves the life who dials the arm.

Description

Scattering roller

Technical Field

The utility model relates to a conveyer equipment field especially relates to a break up roller.

Background

In the production and manufacturing process of many products, a conveying device is needed to break up and convey raw materials or waste materials generated in the production and manufacturing process, for example, in the production and manufacturing process of paper, artificial boards and the like, bulk raw materials such as wood chips, shavings, long wood shavings and the like or waste materials such as wood chips and the like need to be broken up and conveyed so as to facilitate the subsequent processing.

Referring to fig. 1, fig. 1 is a breaking roller commonly used in the industry of manufacturing paper and artificial boards. The scattering roller comprises an original shaft 01 and an original shifting arm 02; the original arm 02 is usually a channel steel or a steel plate, and is directly welded to the surface of the original shaft 01. When the long wood shavings and other materials are scattered, the long wood shavings are easy to damage or damage the original shifting arm 02 and even cause the breakage of the original shifting arm 02, so that the mechanical equipment cannot work normally, unexpected safety accidents can happen in severe cases, and meanwhile, great economic loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a break up roller can improve life, reduces the maintenance degree of difficulty and cost of maintenance.

In order to achieve the purpose, the utility model provides a scattering roller, which comprises a shaft used for rotating a fixed shaft and a plurality of shifting arms; the shaft is provided with a plurality of mounting holes at intervals along the axial direction, and any mounting hole penetrates through the shaft in the axial direction; all the shifting arms are correspondingly inserted and welded and fixed along all the mounting holes one by one, and two ends of any shifting arm are respectively positioned on two radial opposite sides of the shaft.

Preferably, all of the mounting holes are spirally distributed from one end of the shaft to the other end.

Preferably, all the poking arms are equal in length; two ends of any one shifting arm are symmetrically distributed on two radial opposite sides of the shaft.

Preferably, a first wear-resistant layer is arranged on the periphery of any one of the shifting arms.

Preferably, the side wall of any one of the poking arms is a curved surface.

Preferably, any one of the poking arms is a metal round pipe.

Preferably, a shifting block is arranged on the periphery of either end part of the shaft; the extending direction of any one of the shifting blocks is perpendicular to the peripheral side surface of the shaft.

Preferably, a pair of the shifting blocks is symmetrically arranged on the periphery of either end part of the shaft.

Preferably, the height of any one of the blocks from the surface of the shaft is gradually increased from the center of the shaft to both ends of the shaft.

Preferably, the surface of any one of the shifting blocks is provided with a second wear-resistant layer.

Compared with the prior art, the scattering roller provided by the utility model comprises a shaft rotating by a fixed shaft and a plurality of shifting arms; the shaft is provided with a plurality of mounting holes at intervals along the axial direction, and any mounting hole penetrates through the shaft in the axial direction; all the shifting arms are correspondingly inserted and welded and fixed along all the mounting holes one by one, and two ends of any shifting arm are respectively positioned on two radial opposite sides of the shaft.

The scattering roller is connected with the shaft and the shifting arm by combining welding and shaft hole assembly, so that two cantilever structures positioned on two opposite sides in the radial direction of the shaft belong to one shifting arm, the mechanical property of the shifting arm can be improved, and the service life of the shifting arm is prolonged; moreover, because of this break up the roller and no longer only rely on the welding zone of dialling arm and axle to realize fixing, consequently, the utility model discloses the well welding zone who dials arm and axle is little, and welding stress is little, can further improve the life who dials the arm.

In addition, when one or part of the poking arms of the scattering roller are damaged, the damaged poking arms can be pulled out from the shaft and the mounting holes of the shaft, and then the damaged poking arms are replaced by new poking arms to be inserted into the shaft and welded and fixed, so that the maintenance difficulty and the maintenance cost of the scattering roller are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a prior art breaker roll;

FIG. 2 is an isometric view of a breaker roll provided by an embodiment of the present invention;

fig. 3 is a front view of a breaker roll provided by an embodiment of the present invention;

fig. 4 is a cross-sectional view of a break-up roller according to an embodiment of the present invention.

Wherein, 01-original shaft, 02-original shifting arm, 1-shaft, 2-shifting arm and 3-shifting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a breaker roll in the prior art; FIG. 2 is an isometric view of a breaker roll provided by an embodiment of the present invention; fig. 3 is a front view of a breaker roll provided by an embodiment of the present invention; fig. 4 is a cross-sectional view of a break-up roller according to an embodiment of the present invention.

The utility model provides a break up roller, dial arm 2 including axle 1 and a plurality of. The periphery of the shaft 1 is provided with a plurality of mounting holes, all the mounting holes are arranged along the axial interval part of the shaft 1, and any mounting hole is arranged in a penetrating way along the radial direction of the shaft 1. All the shifting arms 2 are correspondingly inserted into all the mounting holes one by one and are fixedly connected, and two ends of any shifting arm 2 are respectively positioned on two radial opposite sides of the shaft 1.

The shaft 1 is driven by a power device such as a motor to rotate in a fixed axis manner, so that all the toggle arms 2 fixed on the surface of the shaft 1 are driven to rotate in a fixed axis manner by taking the shaft 1 as a rotation center line.

The shape of the mounting hole of the shaft 1 depends on the cross-sectional shape of the pick arm 2. For example, when the outer contour of the cross section of the shifting arm 2 is circular, the mounting hole is correspondingly set to be a round hole; when the outer contour of the cross section of the shifting arm 2 is oval, the mounting hole is correspondingly set to be an oval hole.

Any one of the pick arms 2 is inserted along the mounting hole and extends to two opposite sides of the shaft 1 in the radial direction, and therefore, the N pick arms 2 can form 2N cantilever structures on the peripheral side of the shaft 1. Any one of the pick arms 2 may be welded to the shaft 1, and the pick arm 2 forms a 2-position welding area with the surface of the shaft 1.

Compared with the prior art, the utility model provides a break up the roller and make and dial 2 shaft holes of arm and assemble in axle 1, on this basis, in arbitrary the junction of dialling arm 2 and mounting hole weld in order to realize welded fastening. Therefore, the welding seam generated by any one cantilever structure formed by the shifting arm 2 and the shaft is small, the welding stress is small, and the risk of breaking the shaft 1 and the shifting arm 2 is reduced. In addition, when one of the shifting arms 2 is disengaged from the shaft 1, the shifting arm 2 can be pulled out of the shaft 1, and then a new shifting arm 2 is inserted and welded again, so that the risk that the whole scattering roller is scrapped due to damage of one of the shifting arms 2 is prevented, the maintenance cost is obviously reduced, and the replacement time is shortened.

The breaking roller provided by the present invention will be further described with reference to the accompanying drawings and embodiments.

In the above embodiment, all the mounting holes on the circumferential side of the shaft 1 are spirally distributed from one end of the shaft 1 to the other end. Correspondingly, all the shifting arms 2 which are connected in one-to-one correspondence through all the mounting holes which are spirally distributed are also spirally distributed on the peripheral side of the shaft 1.

According to the operation demand of breaking up the roller, the utility model provides an in the embodiment, all stir arm 2 isometric, and arbitrary both ends symmetric distribution who dials arm 2 in axle 1's radial two offsides, that is to say, arbitrary one is dialled arm 2 and is isometric at two cantilever structure that axle 1's radial two offsides formed.

It is thus clear that, compare in prior art, adopt two channel-section steels or steel sheet along the same radial sharp symmetric welding of axle 1 in order to form a pair of arm 2 of dialling, the utility model provides an in the embodiment, along a pair of cantilever structure of the same radial sharp distribution of axle 1 with belong to one and dial arm 2, and the aforesaid middle part of dialling arm 2 passes through the mounting hole and assembles with axle 1, has obviously improved the mechanical properties of dialling arm 2, has improved the joint strength who dials arm 2.

In order to prolong the service life of the scattering roller, a first wear-resistant layer can be arranged on the peripheral side of any one of the poking arms 2. The first wear-resistant layer may be formed by spraying a wear-resistant coating, such as ceramic, alloy, oxide, fluoroplastic, or the like, on the circumferential side of the pick arm 2 by thermal spraying. In normal operation of the scattering roller, the scattered work material such as long wood shavings as the scattered work material rotates and scatters along with the rotation of the shaft 1 and the shifting arm 2, and when the long wood shavings contact with the shifting arm 2, the first wear-resistant layer on the surface of the shifting arm 2 is worn firstly. The roller that should break up below working a period, first wearing layer reduces or even disappears completely because of wearing and tearing thickness, closes this roller that breaks up this moment to set up new first wearing layer again on dialling the surface of arm 2, effectively prolonged the working life who dials arm 2, reduced use maintenance cost.

On the basis of any one of the above embodiments, in the scattering roller provided by the present invention, the side wall of any one of the shifting arms 2 is a curved surface, for example, the side wall of the shifting arm 2 is a cylindrical surface, an elliptical curved surface, a fusiform curved surface, or the like. Compared with the prior art in which channel steel or steel plates are adopted as the shifting arms 2, the side walls of the shifting arms 2 in the embodiment are curved surfaces, that is, the surfaces of the shifting arms 2, which are used for contacting with the scattered work materials, are smooth curved surfaces, so that the resistance of the shifting arms to the scattered work materials is reduced, the probability of damaging the scattered work materials such as long wood shavings is reduced, the normal work of subsequent equipment is ensured, the economic loss is obviously reduced, and the safety production is guaranteed.

Because the shape of dialling arm 2 and the shape of the mounting hole on axle 1 surface adapt to each other, in order to simplify axle 1 and dial arm 2, the utility model discloses preferentially adopt the tubulose arm 2 of dialling of circle, dial arm 2 promptly and be the metal pipe. Correspondingly, the mounting hole on the surface of the shaft 1 is set to be a round hole, and the diameter of the round hole is equal to the outer diameter of the metal round pipe.

Wherein, the metal round pipe can be an integral seamless thick-wall steel pipe.

In any of the embodiments provided by the present invention, the shifting blocks 3 may be disposed on the sides of the two ends of the shaft 1. The dial 3 is fixed to the end periphery side of the shaft 1, and the extending direction of the dial 3 is perpendicular to the peripheral side surface of the shaft 1. Because the extending direction of the shifting block 3 is vertical to the peripheral side surface of the shaft 1, in the process of the rotation of the shaft 1 with the shaft 1 as a rotation center line, the shifting block 3 rotates and forms a rotation surface, the rotation surface can shift the scattered work materials accumulated at two ends of the shaft 1 to rotate and move, and the scattered work materials are made to throw away a gap formed by the shaft 1 and a protective cover of the scattering roller along the tangential direction of the peripheral side of the shaft 1 in the process of the rotation and the movement.

In a word, shifting block 3 can clear away the long-pending material between this break up roller and the protection casing, is showing to have reduced the risk that the friction is fired, has ensured the safety in production of equipment.

In consideration of the balance and stability of the shaft 1 and the dial arm 2 on the surface thereof during rotation, a pair of the dial blocks 3 are symmetrically installed on the periphery of any one end of the shaft 1, in other words, two dial blocks 3 are installed on any one end of the shaft 1, and the two dial blocks 3 are symmetrically distributed at intervals of 180 °.

For better technical effect, the height of any one of the shifting blocks 3 from the surface of the shaft 1 is gradually increased from the center of the shaft 1 to the two ends of the shaft 1. At this time, a surface of the dial 3 facing away from the surface of the shaft 1 may be inclined with the longitudinal direction of the shaft 1 as a horizontal coordinate axis. This arrangement ensures that the work material being broken up that accumulates between the shaft 1 and the aforementioned shield can all be effectively discharged based on the accumulation characteristics of the work material being broken up between the shaft 1 and the shield at the periphery of the break up roller during normal operation of the break up roller.

Wherein, the surface of any shifting block 3 can be provided with a second wear-resistant layer. Further, the surface of the shaft 1 may be provided with a third wear resistant layer.

In conclusion, the scattering roller provided by the utility model has better scattering effect, longer service life, lower use cost and maintenance cost; meanwhile, the broken work materials are not easy to damage, the materials are not easy to accumulate, and the bulk materials are uniform.

The above is to the scattering roller provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A breaking roller is characterized by comprising a shaft (1) rotating by a fixed shaft and a plurality of shifting arms (2); the shaft (1) is provided with a plurality of mounting holes at intervals along the axial direction, and any mounting hole radially penetrates through the shaft (1); all the shifting arms (2) are correspondingly inserted and welded and fixed along all the mounting holes one by one, and two ends of any shifting arm (2) are respectively positioned on two radial opposite sides of the shaft (1).

2. A breaker roll according to claim 1, characterised in that all the mounting holes are helically distributed from one end of the shaft (1) to the other.

3. A breaker roll according to claim 1, characterised in that all the arms (2) are equally long; two ends of any one shifting arm (2) are symmetrically distributed on two radial opposite sides of the shaft (1).

4. A breaker roll according to claim 1, characterised in that the circumference of any one of the arms (2) is provided with a first wear layer.

5. A breaker roll according to any one of claims 1 to 4 wherein the side walls of any one of the arms (2) are curved.

6. A breaker roll according to claim 5, characterised in that any one of the arms (2) is a metal round tube.

7. A breaker roll according to any one of claims 1 to 4 wherein a driver block (3) is mounted on either end periphery of the shaft (1); the extending direction of any one of the shifting blocks (3) is vertical to the peripheral side surface of the shaft (1).

8. A breaker roll according to claim 7, characterized in that a pair of said blocks (3) are symmetrically mounted on either end periphery of the shaft (1).

9. A breaker roll according to claim 7 characterised in that the height of any one of the blocks (3) from the surface of the shaft (1) increases progressively from the centre of the shaft (1) to the ends.

10. A breaker roll according to claim 7, characterised in that the surface of any one of the blocks (3) is provided with a second wear resistant layer.