CN217497487U - Special type conveying chain - Google Patents

Abstract

The utility model provides a special type conveying chain belongs to conveying chain technical field. The special-shaped conveying chain comprises a conveying chain assembly and a retainer ring assembly. The pressing piece penetrates through the outer sides of the positioning piece and the double-layer retainer ring sleeve, the double-layer retainer ring sleeve is pressed through the pressing piece, the double-layer retainer ring sleeve presses the inner ring of the bearing, after the pressing piece is loosened, the clamping connection of the double-layer retainer ring sleeve and the positioning groove can be limited, the safety potential hazard caused by the jumping of the pin shaft is reduced, the pressing piece is in the positioning groove when being normally used through the double-layer retainer ring sleeve, but the positioning groove is not contacted, the abrasion of the double-layer retainer ring and the positioning groove is reduced, the stress concentration condition is reduced, the overall strength of the sheet structure of the double-layer retainer ring structure relative to the elastic retainer ring is high, the safety performance of the elastic retainer ring is high compared with the use, the shaft end of the production line in-out roll chain in the related technology is positioned by the shaft retainer ring, the borne load is small, and the stress concentration problem can be caused by the cutting groove on the shaft.

Description

Special type conveying chain

Technical Field

The utility model relates to a conveying chain field particularly, relates to a special type conveying chain.

Background

The corrugated paper production line is called as a corrugated wire for short, and is key production equipment of corrugated paper production enterprises, the corrugated paper production line is the most important production line equipment in carton packaging enterprises, and the roll chain for the automatic corrugated paper production line is an indispensable component of the equipment. In the publication of: CN210854003U discloses a corrugated paper automatic production line business turn over book chain, including the inner link board, the upper end surface of inner link board is provided with the outer link board, and the upper end surface of outer link board is provided with the V-arrangement panel, and the inboard surface of inner link board runs through and is provided with powder metallurgy oil retaining bearing, and powder metallurgy oil retaining bearing's inboard surface runs through and is provided with the axle, and the front end surface of the outer surface inner link board of axle is provided with the support roller train, and the outside surface of axle is provided with the packing ring.

The axle tip in the above-mentioned patent adopts the packing ring restriction to support the position of roller train at epaxial, but the packing ring adopts for the axle retaining ring to fix a position, and the axle retaining ring does not compress tightly support the roller train inner circle, and the load that the axle retaining ring can bear is less to cut the groove on the axle and can arouse stress concentration, circlip trouble can lead to the potential safety hazard.

How to invent a special type conveying chain to improve the problems becomes a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a special type conveying chain aims at improving the axle head that production line business turn over book chain was gone up and adopts the retaining ring location for the axle among the correlation technique, and the load that bears is less to the epaxial grooving can arouse stress concentration's problem.

The utility model discloses a realize like this:

a contoured conveyor chain includes a conveyor chain assembly and a check ring assembly.

The conveying chain assembly comprises a conveying chain piece, a pin shaft and a bearing, the pin shaft is arranged on the conveying chain piece, the bearing is arranged at two ends of the pin shaft respectively, positioning grooves are formed in two ends of the pin shaft, the retainer ring assembly comprises two double-layer retainer ring sleeves, positioning pieces and pressing pieces, clamping grooves are formed in the inner sides of the two double-layer retainer ring sleeves, the clamping grooves are inserted into the positioning grooves, one sides of the positioning pieces penetrate through the double-layer retainer ring sleeves respectively and then are inserted into the end portions of the pin shaft, the pressing pieces penetrate through the positioning pieces and then are in threaded connection with the end portions of the pin shaft, the pressing pieces compress the positioning pieces, and the inner sides of the double-layer retainer ring sleeves are tightly pressed on the inner rings of the bearing.

In a specific embodiment, the conveying chain element comprises an inner chain part and an outer chain part, and the inner chain part and the outer chain part are connected end to end through the pin shaft in sequence.

In a specific embodiment, a shaft bushing is sleeved on the pin shaft and is located between the bearing inner ring and the outer wall of the outer chain part.

In a specific implementation scheme, the inner chain portion comprises a connecting sleeve, an inner chain plate and a first top plate, the inner chain plate is fixedly sleeved at two ends of the connecting sleeve, the first top plate is fixedly connected to the top end of the inner chain plate, and the pin shaft penetrates through the outer chain portion and then penetrates through the connecting sleeve.

In a specific embodiment, self-lubricating shaft sleeves are fixedly inserted into the inner walls of the two ends of the connecting sleeve.

In a specific embodiment, the outer chain part comprises outer chain plates and a second top plate, the outer chain plates are fixedly connected to two ends of the lower side of the second top plate, the outer chain plates are sleeved at two ends of the pin shaft, and the outer chain plates are located on the outer side of the inner chain part.

In a specific embodiment, the positioning member comprises a pressing plate and positioning rods, the positioning rods are fixedly connected to one side of the pressing plate, and the positioning rods respectively penetrate through the double-layer retainer ring sleeve and are inserted into the end portions of the pin shafts.

In a specific embodiment, the pin shaft comprises a shaft body, a positioning hole is formed in the end portion of the shaft body, and the positioning rods respectively penetrate through the double-layer retainer ring sleeve and are inserted into the positioning hole.

In a particular embodiment, the pressure piece is provided as a pressure bolt.

In a specific embodiment, the double-layer retainer ring is arranged in a double-layer semi-annular structure.

The beneficial effect of this application is: after the pin shaft is connected with the conveying chain element and the bearing, the clamping grooves on the two double-layer baffle rings are inserted into the positioning groove, the two double-layer baffle rings are butted, one side of the positioning element respectively penetrates through the outer sides of the double-layer baffle rings, the positioning element penetrates through the outer sides of the double-layer baffle rings and then is inserted into the end part of the pin shaft for positioning, the positioning element positions the opposite positions of the two double-layer baffle rings, the end part of the pressing element is in threaded connection with the end part of the pin shaft after the pressing element penetrates through the outer sides of the positioning element and the double-layer baffle rings, the double-layer baffle rings press the inner ring of the bearing, and after the pressing element is loosened, the clamping connection of the double-layer baffle rings and the positioning groove can also carry out limiting, the potential safety hazard caused by the jumping-out of the pin shaft is reduced, when the double-layer baffle rings are normally used, the double-layer baffle rings and the positioning groove are positioned in the positioning groove but are not contacted with the positioning groove, and the abrasion and the stress concentration of the double-layer baffle rings and the positioning groove is reduced, the double-layer retainer ring sleeve structure is high in overall strength compared with a sheet structure of the elastic retainer ring, and high in safety performance compared with the elastic retainer ring, so that the problem that shaft end positions of the production line in and out of the roll chain in the related technology are positioned by the aid of the shaft retainer ring, the borne load is small, and stress concentration can be caused by cutting grooves in the shaft is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a first perspective structural view of a special conveyor chain according to an embodiment of the present invention;

fig. 2 is a schematic view of a conveyor chain assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a second viewing angle of the special-shaped conveying chain according to the embodiment of the present invention;

FIG. 4 is a schematic view of the inner chain portion according to an embodiment of the present invention;

FIG. 5 is a schematic view of the outer chain portion according to an embodiment of the present invention;

fig. 6 is an enlarged schematic structural view of a point a in fig. 2 according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a retainer ring assembly according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a positioning member according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a bearing according to an embodiment of the present invention.

In the figure: 100-a conveyor chain assembly; 110-a conveying chain; 111-an internal chain portion; 1111-a connection sleeve; 1112-an inner link plate; 1113-first top plate; 1114-self-lubricating shaft sleeve; 112-an outer chain portion; 1121-outer link plate; 1122-second top panel; 120-pin shaft; 130-a bearing; 131-a shaft body; 132-a positioning hole; 140-positioning grooves; 150-shaft bushing; 200-a retainer ring assembly; 210-double layer baffle ring sleeve; 220-card slot; 230-a positioning element; 231-a compacting plate; 232-positioning rod; 240-pressing member.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Examples

Referring to fig. 1 to 9, the present invention provides a special conveying chain, which includes a conveying chain assembly 100 and a retainer assembly 200, wherein the conveying chain assembly 100 is used for special conveying of corrugated paper, and the retainer assembly 200 is used for retaining a pin on the conveying chain assembly 100.

Referring to fig. 2, the conveying chain assembly 100 includes a conveying chain member 110, a pin 120 and bearings 130, the pin 120 is disposed on the conveying chain member 110, the bearings 130 are respectively disposed at two ends of the pin 120, and two ends of the pin 120 are provided with positioning grooves 140.

Referring to fig. 3, the conveying chain member 110 includes an inner chain portion 111 and an outer chain portion 112, and the inner chain portion 111 and the outer chain portion 112 are connected by pins 120 in sequence.

Referring to fig. 4, the inner link portion 111 includes a connecting sleeve 1111, an inner link plate 1112 and a first top plate 1113, the inner link plate 1112 is fixedly connected to two ends of the connecting sleeve 1111, the first top plate 1113 is fixedly connected to a top end of the inner link plate 1112, and the pin 120 passes through the outer link portion 112 and then passes through the connecting sleeve 1111. The link sleeve 1111 and the first top plate 1113 integrally link the inner link plate 1112 to improve the strength of the entire inner link portion 111. Self-lubricating shaft sleeves 1114 are fixedly inserted into the inner walls of the two ends of the connecting sleeve 1111. The self-lubricating shaft sleeve 1114 is made of powder metallurgy oil-retaining bearing, and is a sliding bearing made of porous material and having lubricating oil stored in pores.

Referring to fig. 5, the outer chain portion 112 includes outer chain plates 1121 and second top plates 1122, the outer chain plates 1121 are fixedly connected to two ends of the lower side of the second top plates 1122, the outer chain plates 1121 are sleeved at two ends of the pin shaft 120, and the outer chain plates 1121 are located outside the inner chain portion 111. The second top plate 1122 integrally fixes the two outer link plates 1121, thereby increasing the strength of the entire outer chain portion 112, and the special conveyor chain has a good load-bearing capacity in cooperation with the structure of the inner chain portion 111.

Referring to fig. 6, a shaft bushing 150 is sleeved on the pin shaft 120, and the shaft bushing 150 is located between the inner ring of the bearing 130 and the outer wall of the outer chain portion 112. The shaft bushing 150 acts as a spacer between the bearing 130 and the outer chain portion 112, reducing wear between the bearing 130 and the outer chain portion 112. When the special-shaped conveying chain is installed, connecting holes at the heads and the tails of adjacent inner chain plates 1112 and outer chain plates 1121 are aligned, the pin shaft 120 penetrates through one of the outer chain plates 1121 and then is inserted into the connecting sleeve 1111, the pin shaft 120 penetrates through the connecting sleeve 1111 and then penetrates through the other outer chain plate 1121, shaft bushings 150 are sleeved at two ends of the pin shaft 120, and then the bearing 130 and the retainer ring assembly 200 are installed, so that the integral installation is completed, and the installation is simple and rapid.

Referring to fig. 7, the retainer ring assembly 200 includes two double-layer retainer rings 210, a positioning member 230 and a pressing member 240, wherein the inner sides of the two double-layer retainer rings 210 are provided with a locking groove 220, the locking groove 220 is inserted into the positioning groove 140, one side of the positioning member 230 respectively penetrates through the double-layer retainer rings 210 and then is inserted into the end portion of the pin shaft 120, the pressing member 240 penetrates through the positioning member 230 and then is screwed onto the end portion of the pin shaft 120, the pressing member 240 presses the positioning member 230, and the inner sides of the double-layer retainer rings 210 are pressed against the inner ring of the bearing 130. The pressing member 240 is provided as a pressing bolt. The double-layer retainer ring sleeve 210 is arranged into a double-layer semi-annular structure. After the pin shaft 120 is connected with the conveying chain element 110 and the bearing 130, the clamping grooves 220 on the two double-layer retainer rings 210 are inserted into the positioning groove 140, the two double-layer retainer rings 210 are butted, one side of the positioning element 230 respectively penetrates through the outer sides of the double-layer retainer rings 210, the positioning element 230 penetrates through the outer sides of the double-layer retainer rings 210 and then is inserted into the end part of the pin shaft 120 to be positioned, the positioning element 230 positions the opposite positions of the two double-layer retainer rings 210, the end part of the compression bolt penetrates through the outer sides of the positioning element 230 and the double-layer retainer rings 210 and is in threaded connection with the end part of the pin shaft 120, the double-layer retainer rings 210 are compressed through the compression bolt, the inner rings of the bearing 130 are compressed through the double-layer retainer rings 210, after the compression bolt is loosened, the clamping connection of the double-layer retainer rings 210 and the positioning groove 140 can be limited, the occurrence of potential safety hazards caused by the play of the pin shaft 120 is reduced, when the double-layer retainer rings 210 are normally used, the double-layer retainer rings are positioned in the positioning groove 140 but are not contacted with the positioning groove 140, the abrasion and stress concentration of the double-layer retainer ring sleeve 210 and the positioning groove 140 are reduced, the integral strength of the double-layer retainer ring sleeve 210 structure is high relative to the sheet structure of the elastic check ring, the safety performance of the elastic check ring is high compared with that of the elastic check ring, the axial end of the production line in and out of the coil chain in the related technology is effectively positioned by the axial check ring, the borne load is small, and the problem of stress concentration caused by the cutting groove on the shaft is solved.

Referring to fig. 8 and 9, the positioning member 230 includes a pressing plate 231 and positioning rods 232, the positioning rods 232 are fixedly connected to one side of the pressing plate 231, and the positioning rods 232 respectively penetrate through the double-layer retainer rings 210 and are inserted into the ends of the pins 120. When the positioning member 230 positions the two double-layer retainer rings 210 at opposite positions, the positioning rod 232 penetrates through the double-layer retainer rings 210 respectively and is inserted into the end of the pin shaft 120, and then is compressed and fixed by the compression bolt. The pin shaft 120 includes a shaft body 131, a positioning hole 132 is formed at an end of the shaft body 131, and positioning rods 232 respectively penetrate through the double-layer retainer ring 210 and are inserted into the positioning hole 132.

Specifically, the working principle of the special conveying chain is as follows: after the pin shaft 120 is connected with the conveying chain element 110 and the bearing 130, the clamping grooves 220 on the two double-layer retainer rings 210 are inserted into the positioning groove 140, the two double-layer retainer rings 210 are butted, the positioning rod 232 respectively penetrates through the double-layer retainer rings 210 to be inserted into the positioning hole 132 for positioning, the positioning rod 232 and the positioning hole 132 position the position of the two double-layer retainer rings 210 opposite to each other, the end part of the compression bolt penetrates through the compression plate 231 and the outer sides of the double-layer retainer rings 210 and is in threaded connection with the end part of the pin shaft 120, the double-layer retainer rings 210 are compressed through the compression bolt, the inner rings of the bearing 130 are compressed through the double-layer retainer rings 210, after the compression bolt is loosened, the clamping connection of the double-layer retainer rings 210 and the positioning groove 140 can also carry out limiting, the potential safety hazard caused by the play of the pin shaft 120 is reduced, when the double-layer retainer rings 210 are normally used, the pin shaft is positioned in the positioning groove 140 but not contacted with the positioning groove 140, the abrasion and the stress concentration of the double-layer retainer rings 210 and the positioning groove 140 is reduced, the double-layer retainer ring sleeve 210 is high in overall strength relative to a sheet structure of the elastic retainer ring, and high in safety performance compared with the elastic retainer ring, so that the problems that shaft end positions of production line in and out of a coil chain in the related technology are positioned by the aid of the shaft retainer ring, the borne load is small, and stress concentration is caused by cutting grooves in the shaft are effectively solved.

When the special-shaped conveying chain is installed, connecting holes at the heads and the tails of adjacent inner chain plates 1112 and outer chain plates 1121 are aligned, the pin shaft 120 penetrates through one of the outer chain plates 1121 and then is inserted into the connecting sleeve 1111, the pin shaft 120 penetrates through the connecting sleeve 1111 and then penetrates through the other outer chain plate 1121, shaft bushings 150 are sleeved at two ends of the pin shaft 120, and then the bearing 130 and the retainer ring assembly 200 are installed, so that the integral installation is completed, and the installation is simple and rapid.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A contoured conveyor chain, comprising:

the conveying chain component comprises a conveying chain piece, a pin shaft and bearings, the pin shaft is arranged on the conveying chain piece, the bearings are respectively arranged at two ends of the pin shaft, and positioning grooves are formed at two ends of the pin shaft;

the retaining ring assembly comprises two double-layer retaining ring sleeves, a positioning element and a pressing element, wherein the inner sides of the double-layer retaining ring sleeves are provided with clamping grooves, the clamping grooves are inserted into the positioning grooves, one side of the positioning element penetrates through the double-layer retaining ring sleeves and then is inserted into the end part of the pin shaft, the pressing element penetrates through the positioning element and then is in threaded connection with the end part of the pin shaft, the pressing element compresses the positioning element, and the inner side of the double-layer retaining ring sleeves is tightly pressed on the inner ring of the bearing.

2. A profiled conveyor chain as claimed in claim 1, wherein the conveyor chain element comprises an inner chain portion and an outer chain portion, the inner and outer chain portions being pinned end to end by the pin shafts.

3. A special conveyor chain according to claim 2, wherein a shaft bushing is sleeved on the pin shaft, and the shaft bushing is located between the bearing inner ring and the outer wall of the outer chain part.

4. The special conveying chain as claimed in claim 2, wherein the inner chain part comprises a connecting sleeve, inner chain plates and a first top plate, the inner chain plates are fixedly sleeved at two ends of the connecting sleeve, the first top plate is fixedly connected to the top ends of the inner chain plates, and the pin shaft penetrates through the outer chain part and then penetrates through the connecting sleeve.

5. A special conveyor chain according to claim 4, characterized in that self-lubricating sleeves are fixedly inserted into the inner walls of the two ends of the connecting sleeve.

6. The special conveying chain as claimed in claim 2, wherein the outer chain part comprises outer chain plates and a second top plate, the outer chain plates are fixedly connected to two ends of the lower side of the second top plate, the outer chain plates are sleeved on two ends of the pin shaft, and the outer chain plates are located on the outer side of the inner chain part.

7. A special conveying chain according to claim 1, wherein the positioning member comprises a pressing plate and positioning rods, the positioning rods are fixedly connected to one side of the pressing plate, and the positioning rods respectively penetrate through the double-layer retainer rings and are inserted into the ends of the pin shafts.

8. A special conveying chain according to claim 7, wherein the pin shaft comprises a shaft body, a positioning hole is formed in the end portion of the shaft body, and the positioning rods respectively penetrate through the double-layer retainer rings and are inserted into the positioning hole.

9. A profile conveyor chain according to claim 1, wherein said compression members are provided as compression bolts.

10. A profile conveyor chain according to claim 1, wherein said double-layered retainer ring is provided as a double-layered semi-endless structure.

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