CN220787051U - High wear-resisting conveying chain - Google Patents

Abstract

The utility model discloses a high-wear-resistance conveying chain, which comprises a plurality of inner chain links and a plurality of outer chain links which are sequentially connected, wherein each inner chain link consists of an inner chain plate, a sleeve and a large roller, each outer chain link consists of an outer chain plate and a first pin shaft, each large roller comprises a roller and an engineering plastic bushing arranged on the inner peripheral side of each roller, and each engineering plastic bushing is sleeved on each first pin shaft. The utility model aims to solve the technical problems in the prior art and provides a high-wear-resistance conveying chain, which can prolong the service life of the conveying chain and a connecting rod, reduce the maintenance cost of clients and increase the economic benefit.

Description

A highly wear-resistant conveyor chain

Technical Field

The utility model relates to the technical field of chains, in particular to a highly wear-resistant conveying chain.

Background technique

The large rollers in the conveyor chains of noodle-making machinery in the food industry are generally made of metal. Two chains are used in pairs on the left and right. The outer chain links have an extended pin shaft, and the connecting rod is fixed on the extended pin shaft.

During transportation, the outer surface of the large roller on the chain contacts the guide rail and rolls forward, while the inner circular surface rotates relative to the sleeve. Partial wear occurs on the outer surface of the sleeve, which in severe cases will cause sliding friction between the chain plate and the guide rail, increase the resistance of the chain operation, and make obvious noise. When the sleeve is worn through, the firmness of the chain link will be reduced, and the chain will be more worn and elongated and fail. The dust generated by wear can easily contaminate food.

Utility Model Content

1. Technical problems to be solved by the utility model

The utility model aims to solve the technical problems existing in the prior art and provide a highly wear-resistant conveyor chain, which can increase the service life of the conveyor chain and the connecting rod, reduce customer maintenance costs, and increase economic benefits.

2. Technical solution

In order to solve the above problems, the technical solution provided by the utility model is:

A highly wear-resistant conveyor chain comprises a plurality of inner chain links and a plurality of outer chain links connected in sequence, wherein the inner chain links consist of an inner chain plate, a sleeve and a large roller, the outer chain links consist of an outer chain plate and a first pin shaft, the large roller comprises a roller and an engineering plastic bushing arranged on the inner circumference of the roller, and the engineering plastic bushing is sleeved on the first pin shaft.

Optionally, at least one partially penetrating axial groove is provided on the inner peripheral side wall of the roller, and a limiting protrusion adapted to the axial groove is provided on the outer peripheral side wall of the engineering plastic bushing.

Optionally, a plurality of axial grooves are arranged at intervals along the axial direction of the roller.

Optionally, some of the inner chain links are connected with side rollers via an external attachment plate and a second pin shaft.

Optionally, a connecting rod is further included, and a connecting hole is provided on the outer link plate for connecting the connecting rod.

Optionally, the connecting hole is arranged in the middle of the outer link plate.

Optionally, the connecting hole is a round hole, a waist-shaped hole or a square hole.

3. Beneficial effects

Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

This highly wear-resistant conveyor chain retains the advantages of high strength and strong load-bearing capacity, while greatly reducing the friction factor between the roller and the sleeve, improving the lubrication conditions of the friction pair, and reducing the wear of the inner hole circular surface of the roller and the outer surface of the sleeve, thereby significantly improving the wear resistance of the chain.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a highly wear-resistant conveyor chain proposed in an embodiment of the utility model;

FIG2 is a cross-sectional schematic diagram of a highly wear-resistant conveyor chain proposed in an embodiment of the utility model;

FIG3 is a cross-sectional schematic diagram of a large roller in a highly wear-resistant conveyor chain according to an embodiment of the present utility model;

FIG4 is a schematic structural diagram of a roller in a highly wear-resistant conveyor chain according to an embodiment of the present utility model;

1. Inner link; 11. Inner link plate; 12. Sleeve; 13. Large roller; 131. Roller; 131a. Axial groove; 132. Engineering plastic bushing; 133. Limiting protrusion; 14. External plate; 15. Second pin shaft; 16. Side roller; 2. Outer link; 21. Outer link plate; 21a. Connecting hole; 22. First pin shaft.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described here are only used to explain the utility model and do not limit the protection scope of the utility model.

It should be noted that when an element is referred to as being "fixed to", "disposed on", "fixed on" or "installed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. Further, when an element is considered to be "fixedly connected to" another element, the two may be fixed in a detachable connection manner or in a non-detachable connection manner, such as socketing, snap-on, one-piece fixation, welding, etc., which can be achieved in the prior art and will not be repeated here. When an element is perpendicular or approximately perpendicular to another element, it means that the ideal state of the two is vertical, but due to the influence of manufacturing and assembly, there may be a certain vertical error. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and/or" used herein includes any and all combinations of one or more related listed items.

The “first” and “second” involved in the present utility model do not represent specific quantities and orders, but are merely used to distinguish names.

In conjunction with Figures 1-4, a highly wear-resistant conveyor chain of the present embodiment includes a plurality of inner links 1 and a plurality of outer links 2 connected in sequence, wherein the inner links 1 and the outer links 2 are staggeredly connected in sequence, wherein the inner link 1 is composed of an inner link plate 11, a sleeve 12 and a large roller 13, and the outer link 2 is composed of an outer link plate 21 and a first pin 22, wherein the large roller 13 is sleeved on the first pin 22 of the outer link 2, wherein the large roller 13 includes a roller 131 and an engineering plastic bushing 132 arranged on the inner circumference of the roller 131, wherein the engineering plastic bushing 132 is sleeved on the first pin 22, and wherein the engineering plastic bushing 132 has the advantages of self-lubrication, high temperature resistance, medium resistance, wear resistance, etc., and is tightly connected to the inner hole of the roller 131.

This highly wear-resistant conveyor chain retains the advantages of high strength and strong load-bearing capacity, while greatly reducing the friction factor between the roller and the sleeve, improving the lubrication conditions of the friction pair, and reducing the wear of the inner hole circular surface of the roller and the outer surface of the sleeve, thereby significantly improving the wear resistance of the chain.

As an optional solution of the present invention, at least one incompletely penetrating axial groove 131a is provided on the inner circumferential side wall of the roller 131, and a limiting protrusion 133 adapted to the axial groove 131a is provided on the outer circumferential side wall of the engineering plastic bushing 132. One end of the axial groove 131a is open to facilitate the insertion of the limiting protrusion 133. The axial groove 131a and the limiting protrusion 133 cooperate to prevent the radial rotation and axial sliding of the engineering plastic bushing 132, thereby improving the strength of the connection.

As an optional solution of the present invention, in order to better limit the position, a plurality of axial grooves 131 a are arranged at intervals along the axial direction of the roller 131 .

As an optional solution of the present invention, part of the inner chain links 1 are connected with side rollers 16 via an external attached plate 14 and a second pin shaft 15, the external attached plate 14 is arranged on a side of the inner chain link 1 close to another chain, the external attached plate 14 and the inner chain plate 11 of the inner chain link 1 are integrally formed and bent at a right angle, and the axis line of the second pin shaft 15 is relatively perpendicular to the axis line of the first pin shaft 22.

As an optional solution of the present invention, a connecting rod is further included. A connecting hole 21a is provided on the outer link plate 21 for connecting the connecting rod. The connecting hole 21 is provided in the middle of the outer link plate 21. The connecting hole 21 is a round hole, a waist-shaped hole or a square hole. The end of the connecting rod is inserted into the connecting hole 21a and is connected and fixed to the outer link plate 21. In this way, the bearing cross-sectional area of the fixed end of the connecting rod is increased, the stress distribution at both ends of the connecting rod is effectively improved, and the risk of connecting rod breakage is reduced.

Compared with the existing extended pin conveyor chain, the first pins 22 on the outer links 2 of the highly wear-resistant conveyor chain are all of the same size, which helps to improve the chain assembly efficiency and dimensional consistency, while saving the processing cost of the extended pins.

The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a high wear-resisting conveyor chain which characterized in that: the novel high-strength chain comprises a plurality of inner chain links and a plurality of outer chain links which are sequentially connected, wherein each inner chain link consists of an inner chain plate, a sleeve and a large roller, each outer chain link consists of an outer chain plate and a first pin shaft, each large roller comprises a roller and an engineering plastic bushing arranged on the inner peripheral side of the corresponding roller, and the engineering plastic bushing is sleeved on the corresponding first pin shaft; the inner peripheral side wall of the roller is provided with at least one incompletely penetrated axial groove, and the outer peripheral side wall of the engineering plastic bushing is provided with a limiting protrusion matched with the axial groove.

2. A highly wear resistant conveyor chain as in claim 1 wherein: the axial grooves are axially arranged along the roller at intervals.

3. A highly wear resistant conveyor chain as in claim 1 wherein: and part of the inner chain links are connected with side rollers through outer attachment plates and second pin shafts.

4. A highly wear resistant conveyor chain as in claim 1 wherein: the connecting rod is characterized by further comprising a connecting rod, and the outer chain plate is provided with a connecting hole for connecting the connecting rod.

5. A highly wear resistant conveyor chain as in claim 4 wherein: the connecting hole is arranged in the middle of the outer chain plate.

6. A highly wear resistant conveyor chain as in claim 4 wherein: the connecting holes are round holes, kidney-shaped holes or square holes.