CN108792501B

CN108792501B - Conveying roll shaft

Info

Publication number: CN108792501B
Application number: CN201810763371.3A
Authority: CN
Inventors: 邵利强
Original assignee: Zhejiang Damon Industrial Equipment Co Ltd
Current assignee: Zhejiang Damon Industrial Equipment Co Ltd
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2024-05-31
Anticipated expiration: 2038-07-12
Also published as: CN108792501A

Abstract

The invention provides a conveying roller shaft, which comprises a roller and an inner sleeve positioned at the side part of the roller, wherein a connecting piece is arranged at the end part of the inner sleeve, and one end of the connecting piece is fixed on a rack of a conveying roller way, and the conveying roller shaft is characterized in that: the end cover comprises a cover body and a baffle ring in the cover body, the connecting piece comprises a connecting body and a threaded body positioned on the inner side of the connecting portion, an internal thread is arranged on the threaded body, and the rigidity of one material of the threaded body is larger than that of the connecting piece. The structure has the advantages of low noise, low cost and convenient processing and installation.

Description

Conveying roll shaft

Technical Field

The invention relates to the technical field of logistics conveying equipment, in particular to a conveying roller shaft.

Background

In the field of logistics transmission or in the collection rolling work of mechanical equipment, the roller shaft of rotation around self axial lead is an indispensable part, and roller shaft structure among the prior art often contains the axle core and overlaps the outer roller body of establishing at the axle core, is equipped with the bearing between axle core and the roller body, thereby the roller body passes through coupling assembling and is connected with drive arrangement and obtain rotatory required power.

The axle core is fixed in the frame of equipment, and the structure of fixed axle core is mostly a metal connector that has the internal thread, and metal connector one end is fixed in the frame, and the other end is connected with the axle core. The metal connectors have some drawbacks: collision with the frame and the shaft core is large in noise; at least comprises an internal thread, a tip, a connecting part connected with the shaft core and a plane used for a knob on the tip, so that the processing process is complex; the device is clamped between the shaft core and the frame, and the installation process is inconvenient.

Disclosure of Invention

The invention provides a conveying roller shaft which is low in noise, low in cost and convenient to process and install.

In order to achieve the purpose, the invention adopts the following technical scheme:

The utility model provides a carry roller, includes the cylinder and is located interior axle sleeve of cylinder lateral part, interior axle sleeve tip is provided with the connecting piece, connecting piece one end is fixed in the frame of rollgang, its characterized in that: the inner shaft sleeve comprises a sleeve body and a baffle ring in the sleeve body, the connecting piece comprises a connecting body and a threaded body positioned on the inner side of the connecting body, an internal thread is arranged on the threaded body, and the rigidity of one material of the threaded body is larger than that of the connecting piece.

Preferably, the screw body has a first material and the connection body has a second material, the first material being different from the second material, the first material having a rigidity greater than a rigidity of the second material.

Preferably, the connector comprises a connecting part, a protruding part and an end cover part, wherein the protruding part and the end cover part are positioned at two ends of the connecting part, the protruding part comprises a plurality of protruding blocks which are arranged around the connecting part, and the outer side surface of the protruding part is gradually reduced from the connecting part to the end part of the protruding part.

Preferably, the screw body end is flush with the end cap portion side surface.

Preferably, the outer surface of the connecting portion tapers from one end of the protruding portion to one end of the end cap.

Preferably, the diameter of one side of the protruding part near the connecting body is larger than the diameter of the other side.

Preferably, a hexagonal protrusion is provided on one side of the end cap portion.

Preferably, the end cover portion is provided with a reinforcing rib on a side close to the connecting portion, and the reinforcing rib is provided along a radial direction of the end cover portion.

Preferably, the inner sleeve comprises a fixing part and a transmission part, wherein the fixing part is arranged on the inner side of the roller, and the transmission part is provided with an annular groove.

Preferably, the end cap portion is embedded in a cavity inside the transmission portion.

In summary, compared with the prior art, the invention has the advantages that: the connecting body made of nonmetallic materials is connected with the inner sleeve, so that noise is reduced; the screw thread body has high rigidity, connects the connecting body with the frame, supports the connecting body at the same time, and avoids deformation and loosening in the working process; the connecting body can be manufactured by adopting an injection molding method, and the threaded body has a simple structure, so that the connecting piece is convenient to process, and meanwhile, the cost is reduced; the connecting piece is inserted into the inner shaft sleeve, and the baffle ring is matched with the connecting part to limit, so that the roller can move in a small range and cannot loosen, assembly can be realized without adopting structures such as a retainer ring, and the like, and the assembly is convenient and quick; only needs to carry out rust prevention, such as galvanization treatment, to the screw thread body, replaces the treatment of the whole metal connecting piece in the prior art, reduces the rust prevention cost, simultaneously reduces the pollution caused by the process, and has good environmental protection.

Drawings

FIG. 1 is a schematic diagram of a connector structure;

FIG. 2 is a schematic view of the inner hub structure;

FIG. 3 is a schematic illustration of the connection of the inner sleeve to the connector;

Fig. 4 is a schematic view of a drum structure.

The reference numerals in the figures are as follows:

1. The device comprises a roller, 2 parts of an inner shaft sleeve, 21 parts of a sleeve body, 22 parts of a baffle ring, 23 parts of a fixing part, 24 parts of a transmission part, 241 parts of an annular groove, 25 parts of a limiting sleeve, 3 parts of a connecting piece, 31 parts of a connecting body, 311 parts of a connecting part, 312 parts of a protruding part, 3121 parts of a protruding part, 313 parts of an end cover part, 3131 parts of a hexagonal protrusion and 32 parts of a threaded body.

Detailed Description

The invention will be further described with reference to examples of embodiments in the drawings.

The utility model provides a carry roller as shown in fig. 1 through 4, includes cylinder 1 and is located interior cover 2 of cylinder 1 lateral part, and interior cover 2 tip is provided with connecting piece 3, and connecting piece 3 one end is fixed in the frame of rollgang, its characterized in that: the inner sleeve 2 comprises a sleeve body 21 and a baffle ring 22 in the sleeve body 21, the connecting piece 3 comprises a connecting body 31 and a threaded body 32 positioned on the inner side of the connecting body 31, and the threaded body 32 is provided with an inner thread. The retainer 22 may be an annular structure integrally injection-molded or interference-connected to the inside of the sleeve 21, or may be a bearing inner ring structure of a bearing provided in the sleeve 21. The screw body 32 has a first material, and the connection body 31 has a second material, the first material being different from the second material, the first material being more rigid than the second material. The screw body 32 can be made of metal material, such as steel material, the connecting body 31 can be made of polyethylene material, interference connection can be adopted between the screw body and the connecting body, and integral injection molding connection can be adopted. The screw body 32 is provided with protruding rib near connector 31 one side, and protruding rib can form grid structure or parallel arrangement and constitute step structure to improve the structural strength when two integrated injection moulding are connected. At this time, the nonmetallic material connection body 31 is connected with the inner hub 2, reducing noise. The screw body 32 has high rigidity, and is used for connecting the connecting body 31 with the frame and supporting the connecting body 31 at the same time, so that deformation and loosening of the connecting body in the working process are avoided. The connecting body 31 can be manufactured by adopting an injection molding method, has light weight and low cost, and the threaded body 32 has a simple structure, so that the connecting piece 3 is convenient to process, and meanwhile, the cost is reduced. During installation, the connecting piece 3 is inserted into the inner shaft sleeve 2, and the baffle ring 22 is matched with the connecting part 311 to limit, so that the roller 1 can move in a small amplitude along the axial direction and cannot loosen, and the assembly can be realized without adopting structures such as a retainer ring, thereby being convenient and quick.

As shown in fig. 1, the connection body 31 includes a connection portion 311, a protrusion portion 312 and end cap portions 313 at both ends of the connection portion 311, the protrusion portion 312 includes a plurality of protrusions 3121 provided around the connection portion 311, and an outer side surface of the protrusion portion 312 is tapered from the connection portion 311 toward an end of the protrusion portion 312. In another embodiment, the diameter of the protruding portion 312 near one side of the connecting body 31 is larger than that of the other side, i.e. a thrust rib structure is provided at the end of the protruding portion 312 connected to the connecting body 31, so as to avoid the connecting piece 3 from falling off after the inner shaft sleeve 2 is inserted. The connection portion 311 has a columnar structure, and the bumps 3121 are uniformly distributed along the circumferential direction of the connection portion 311. During assembly, one side of the protruding block 3121 is inserted into and passes through the baffle ring 22, the outer side surface of the protruding block 3121 is reduced, so that the protruding block 3121 is conveniently inserted into the baffle ring 22, in addition, the protruding block 3121 which is arranged in a scattered manner reduces the structural strength of the area, and the protruding block 3121 is easy to deform in the extrusion process after the insertion, so that the protruding part 312 can pass through the baffle ring 22 to assemble and position the connecting piece 3, and meanwhile, the protruding part 312 caused by structural deformation is prevented from being broken in the process. The end of the screw body 32 is flush with the end cap 313, and the other end extends to the side of the boss 312 near the connecting portion 311, so that the screw body 32 does not hinder deformation when the boss is deformed by compression.

The outer side surface of the connecting part 311 is gradually reduced from one end of the protruding part 312 to one end of the end cover, and has strong adaptability to deformation of the roller 1 under the action of temperature and movement under the action of external force.

In another embodiment, the connecting portion 311 may be configured as a cylindrical structure with the same outer surface diameter, and the protruding portion 312 has a region with an outer surface diameter larger than that of the connecting portion 311.

A hexagonal protrusion 3131 is provided on one side of the end cap portion 313, which is convenient to clamp with a tool such as a wrench. When the end cover 313 is mounted on one side of the frame guard, the end cover 313 is inserted into the screw body 32 from the other side through the bolts and tightened, and at this time, it is necessary to limit the end cover 313 by using a wrench or the like, thereby preventing rotation thereof.

The end cap portion 313 is provided with a reinforcing rib on a side thereof adjacent to the connecting portion 311, the reinforcing rib being provided along a radial direction of the end cap portion 313. Annular reinforcing protrusions are arranged at two ends of the reinforcing rib, one is located at the outer side edge of the end cover portion 313, and the other is located at the joint of the end cover portion 313 and the connecting portion 311, so that deformation or fracture of the end cover portion 313 is avoided. The end cover 313 is embedded into the cavity inside the transmission part 24, so that sundries and the like are prevented from entering the structure to affect the normal operation of the structure, and the appearance is attractive and elegant.

The inner sleeve 2 comprises a fixing portion 23 and a transmission portion 24, the fixing portion 23 is arranged on the inner side of the roller 1, and an annular groove 241 is formed in the transmission portion 24. The rollers 1 are driven by a belt, and the belt is sleeved on the driving part 24 to drive the adjacent rollers 1 to rotate. An annular protrusion is provided between the fixing portion 23 and the driving portion 24, and abuts against a side surface of the drum 1 to restrict relative axial movement between the drum 1 and the end cover. The rib is arranged on the outer side of the fixing part 23 and extends along the axis direction of the end cover, the limit sleeve 25 is arranged on the outer side of the rib, the surface of one side of the limit sleeve 25, which is close to the transmission part 24, is inclined towards the inner shaft sleeve 2, the clamping hooks are arranged on the roller 1, and the clamping hooks are clamped into the position after the two are assembled, so that the loosening of the clamping hooks in the use process is avoided, the structural strength of the limit sleeve 25 is enhanced due to the arrangement of the rib, and meanwhile, the material cost is reduced. The fixing portion 23 is provided inside with a reinforcing rib provided parallel to the rotation axis thereof.

The above description is only illustrative of the invention so that a person of ordinary skill in the art can fully practice the present embodiment, but is not limiting of the invention, and a person skilled in the art, after having read the present description, may make modifications to the present embodiment without creative contribution as required, which are all non-creatively modified, but protected by patent laws within the scope of the claims of the invention.

Claims

1. The utility model provides a carry roller, includes cylinder (1) and is located interior cover (2) of cylinder (1) lateral part, interior cover (2) tip is provided with connecting piece (3), connecting piece (3) one end is fixed in the frame of rollgang, its characterized in that: the inner shaft sleeve (2) comprises a sleeve body (21) and a baffle ring (22) in the sleeve body (21), the connecting piece (3) comprises a connecting body (31) and a threaded body (32) positioned at the inner side of the connecting body (31), and the threaded body (32) is provided with internal threads;

the screw body (32) has a first material, the connecting body (31) has a second material, the first material is different from the second material, and the rigidity of the first material is greater than the rigidity of the second material;

The connecting body (31) comprises a connecting part (311) and a protruding part (312) positioned at one end of the connecting part (311), the protruding part (312) comprises a plurality of protruding blocks (3121) arranged around the connecting part (311), and the outer side surface of the protruding part (312) is gradually reduced from the connecting part (311) to the end part of the protruding part (312) so as to conveniently pass through the baffle ring (22); the end of the screw body (32) extends to the side of the protruding part (312) close to the connecting part (311).

2. A conveyor roller as in claim 1 wherein: the connector (31) further comprises an end cap (313) at the other end of the connecting portion (311).

3. A conveyor roller as in claim 2 wherein: the screw body (32) end is flush with the end cap portion (313) side surface.

4. A conveyor roller as in claim 2 wherein: the outer side surface of the connecting part (311) is gradually reduced from one end of the protruding part (312) to one end of the end cover part (313).

5. A conveyor roller as in claim 2 wherein: the diameter of one side of the protruding part (312) close to the connecting part (311) is larger than that of the other side.

6. A conveyor roller as in claim 2 wherein: a hexagonal protrusion (3131) is arranged on one side of the end cover part (313).

7. A conveyor roller as in claim 2 wherein: the end cover part (313) is provided with a reinforcing rib at one side close to the connecting part (311), and the reinforcing rib is arranged along the radial direction of the end cover part (313).

8. A conveyor roller as in claim 2 wherein: the inner sleeve (2) comprises a fixing part (23) and a transmission part (24), the fixing part (23) is arranged on the inner side of the roller (1), and an annular groove (241) is formed in the transmission part (24).

9. A conveyor roller as in claim 8 wherein: the end cap portion (313) is embedded in a cavity inside the transmission portion (24).