CN212638807U

CN212638807U - Network chain driving structure

Info

Publication number: CN212638807U
Application number: CN202021051509.6U
Authority: CN
Inventors: 吴翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-03-02
Anticipated expiration: 2030-06-10

Abstract

A net chain driving structure relates to the technical field of conveying equipment. Including the transportation network chain, the transportation network chain includes a plurality of chain links of pegging graft in order along direction of delivery, the chain link both sides have a plurality of interval arrangement's lug, the tip of lug is the arcwall face, be provided with the meshing groove on the chain link respectively, the meshing groove is formed by the lug amalgamation on the open slot that sets up at the chain link back and the adjacent chain link of direction of delivery one side, the both ends of transportation network chain are provided with meshing groove transmission complex gear, be provided with the tangent plane with the arcwall face on the arcwall face of lug, the tangent plane is in parallel laminating state with the transmission contact flank of tooth of gear at the meshing transmission in-process. The utility model discloses be provided with the tangent plane on the lug of chain link, the tangent plane keeps parallel laminating state with the transmission contact flank of tooth of gear in meshing transmission process, and the change between the two is only area of contact's size, can not lead to the fluctuation change of carrying the net chain transport face to effectively improved the transport effect, prolonged the life of net chain.

Description

Network chain driving structure

Technical Field

The utility model relates to a conveying equipment technical field specifically is a net chain drive structure.

Background

As shown in fig. 6 and 7, the existing mesh conveyor chain includes a plurality of chain links 8 sequentially inserted in the conveying direction, the two sides of each chain link are provided with lugs 9 at equal intervals, the lugs 9 of adjacent chain links 8 are arranged in a staggered manner and are rotatably connected through a rotating shaft 10, the end parts of the lugs 9 are arc-shaped surfaces, the chain links 8 are respectively provided with engaging grooves 11, the engaging grooves 11 are formed by splicing open grooves arranged on the back surfaces of the chain links and the lugs 9 on the adjacent chain links on one side of the conveying direction, therefore, the line contact is formed between the transmission teeth of the gear 12 and the lugs 9 during the transmission process, so that the contact position of the transmission teeth of the gear 11 and the lugs 9 during the rotation process is changed continuously, when the gear wheel 11 is rotated until the top corner of the gearing comes into contact with the lug 9, the lug 9 is subjected to a force F which is inclined upwards in the conveying direction, therefore, the conveying surface of the conveying net chain can jump, and the conveying effect and the service life of the conveying net chain are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a net chain drive structure can effectively solve the problem among the background art, guarantees the net chain and steadily carries and can effectively extend the life of net chain.

The technical scheme for realizing the purpose is as follows: the utility model provides a net chain drive structure, includes the conveying net chain, and the conveying net chain includes a plurality of chain links of following direction of delivery and pegging graft in order, and the chain link both sides have equidistant lug, staggered arrangement between the lug of adjacent chain link and rotate through the pivot and connect, and the tip of lug is the arcwall face, forms the meshing groove between the lug of chain link and the adjacent chain link, and the both ends of conveying net chain are provided with and mesh groove transmission complex gear, its characterized in that: the arc-shaped surface of the lug is provided with a tangent plane tangent to the arc-shaped surface, and the tangent plane and the transmission contact tooth surface of the gear are in a parallel fit state in the meshing transmission process.

The utility model has the advantages that:

the utility model discloses be provided with the tangent plane on the lug of chain link, the tangent plane keeps parallel laminating state with the transmission contact flank of tooth of gear in meshing transmission process, and the change between the two is only area of contact's size, can not lead to the fluctuation change of carrying the net chain transport face to effectively improved the transport effect, prolonged the life of net chain.

Furthermore, the metal sheets are connected to the two adjacent rotating shafts, and the metal sheets can drive the metal sheets to indirectly pull the adjacent rotating shafts and the chain links to convey forwards through the rotating shafts when the gear drives the chain links to convey forwards, so that stress of the chain links in the conveying process is reduced, and the service life of the chain links is prolonged.

Furthermore, the back of the chain link is provided with a plurality of meshing grooves which are arranged at equal intervals, each pair of meshing grooves comprises two mutually communicated meshing grooves, a plurality of metal sheets are arranged on two adjacent rotating shafts, and the metal sheets are respectively arranged between the two mutually communicated meshing grooves.

Through the reasonable arrangement of the meshing grooves and the metal sheets, the conveying process of the conveying net chain is more labor-saving and smooth.

Furthermore, two ends of the metal sheet are provided with penetrating holes matched with the diameters of the rotating shafts, and the metal sheet penetrates through the penetrating holes at the two ends and is arranged on the two adjacent rotating shafts; therefore, the metal sheet can play a role in limiting the pitch of the plastic net chain, and the chain link does not play the role, so that the stress in the transmission process of the chain link is further reduced.

Furthermore, the conveying net chain is provided with a containing groove for containing the metal sheets, and the metal sheets are arranged in the containing groove in a matched mode, so that the flatness of the conveying surface of the conveying net chain is guaranteed.

Furthermore, the metal sheet is made of a stainless steel material with a hardened surface, and the stainless steel material has good hardness and corrosion resistance.

Further, both side walls of the engaging groove in the width direction of the link are provided with inclined surfaces inclined outward.

The utility model discloses with the inclined plane that the both sides inner wall design in meshing groove was designed, enlarged the size of meshing groove outer opening, be convenient for mesh smoothly between gear and the meshing groove.

Furthermore, the bottom of the meshing groove is matched with the tooth width of the gear, so that the gear and the meshing groove are tightly meshed in the meshing transmission process.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of a gear engaging with a gear tooth;

FIG. 4 is a bottom view of a conveyor chain;

FIG. 5 is a schematic structural view of a metal sheet;

FIG. 6 is a schematic diagram of a prior art structure;

fig. 7 is a force analysis schematic diagram in the existing network chain conveying process.

Detailed Description

As shown in fig. 1-5, the utility model discloses a conveying net chain 1, conveying net chain 1 includes a plurality of chain links 1.1 of following direction of delivery and pegging graft in order, chain link 1.1 both sides have a plurality of lugs 1.2, staggered arrangement between the lug 1.2 of adjacent chain link 1.1, and rotate through pivot 3 and connect, the tip of lug 1.2 is arcwall face 1.3, the back of chain link 1.1 is provided with meshing groove 4 of many equal intervals settings, every meshing groove 4 includes two meshing grooves 4.1 of intercommunication each other, meshing groove 4.1 is formed by setting up the lug 1.2 amalgamation on the open slot 4.2 at the chain link back and the adjacent chain link 1.1 of direction of delivery one side.

The two ends of the conveying net chain 1 are provided with the gears 2 which are respectively meshed with the meshing grooves 4.1 on the back of the link 1.1, the arc-shaped surfaces 1.3 of the lugs 1.2 are provided with the protrusions 1.4, the protrusions 1.4 are provided with the tangent planes 1.5 tangent to the arc-shaped surfaces 1.3, the tangent planes 1.5 on the protrusions 1.3 and the transmission contact tooth surfaces 2.1 of the gears 2 are in a parallel fit state in a meshing transmission process, the arrangement of the tangent planes 1.5 on the protrusions 1.3 enables the gears 2 and the lugs 1.2 to be always in surface contact in the transmission process, the phenomenon that the change of the stress direction of the conveying net chain is caused by the linear contact between the vertex angles of the gear transmission teeth and the lugs in the background technology is avoided, the contact area size of the tangent planes 1.5 on the protrusions 1.3 and the transmission contact tooth surfaces 2.1 of the gears 2 is changed is only, the fluctuation change of the conveying face of the conveying net chain 1 can not be.

As a further explanation of this embodiment, the design of the 1.5-degree angle b of the section of the conveying net chain requires different degrees to be designed according to the change of the number of teeth of the mating gear, so as to ensure smooth cut-in and separation of the net chain and simultaneously consider the outward thrust of the tooth surface angle to the chain,

in some optional embodiments, a plurality of metal sheets 5 are further connected to two adjacent rotating shafts 2, the metal sheets 5 are made of stainless steel with hardened surfaces, the metal sheets 5 are respectively arranged between two mutually communicated meshing grooves 4.1, the conveying net chains 1 are respectively provided with accommodating grooves 1.6 for accommodating the metal sheets 5, and the metal sheets 5 are arranged in the corresponding accommodating grooves 1.6 in a matching manner.

The setting of sheetmetal 5 can drive 1.1 of link and carry forward in gear 2 in this implementation, drives the indirect adjacent pivot 3 of pulling of sheetmetal 5 and link 1.1 and carry forward through pivot 3, has reduced the atress of link 1.1 in transportation process, has prolonged the life of link 1.1.

In some optional embodiments, the two ends of the metal sheet 5 are provided with penetrating holes 5.1 matched with the diameters of the rotating shafts 2, the metal sheet 5 penetrates through the penetrating holes 5.1 at the two ends on two adjacent rotating shafts 2, so that the metal sheet 5 plays a role in limiting the pitch of the conveying net chain 1, the chain links 1.1 do not play a role, and the stress of the chain links 1.1 in the transmission process is further reduced.

In some alternative embodiments, two side walls of the engaging groove 4 along the width direction of the chain link 1.1 are provided with inclined surfaces 4.2 inclined outwards, so that the size of the outer opening of the engaging groove is enlarged, and smooth engagement between the gear 2 and the engaging groove 4 is facilitated.

In some alternative embodiments, the bottom of the meshing groove 4.1 is designed to match with the tooth width of the gear 2, so that the gear 2 and the meshing groove 4.1 are tightly meshed in the meshing transmission process.

Claims

1. The utility model provides a net chain drive structure, includes the conveying net chain, and the conveying net chain includes a plurality of chain links of following direction of delivery and pegging graft in order, and the chain link both sides have a plurality of interval arrangement's lug, and staggered arrangement between the lug of adjacent chain link and rotate through the pivot and connect, and the tip of lug is the arcwall face, is provided with the meshing groove on the chain link respectively, the meshing groove is formed by setting up the lug amalgamation on the open slot at the chain link back and the adjacent chain link of direction of delivery one side, and the both ends of conveying net chain are provided with the gear with meshing groove transmission fit, its characterized in that: the arc-shaped surface of the lug is provided with a tangent plane tangent to the arc-shaped surface, and the tangent plane and the transmission contact tooth surface of the gear are in a parallel fit state in the meshing transmission process.

2. A net chain drive structure according to claim 1, wherein: the two adjacent rotating shafts are connected with metal sheets.

3. A net chain drive structure according to claim 2, wherein: the back of the chain link is provided with a plurality of meshing grooves which are arranged at equal intervals, each pair of meshing grooves comprises two mutually communicated meshing grooves, a plurality of metal sheets are arranged on two adjacent rotating shafts, and the metal sheets are respectively arranged between the two mutually communicated meshing grooves.

4. A net chain drive structure according to claim 2, wherein: the two ends of the metal sheet are provided with penetrating holes matched with the diameters of the rotating shafts, and the metal sheet penetrates through the penetrating holes at the two ends and is arranged on the two adjacent rotating shafts.

5. A net chain drive structure according to claim 2, wherein: the conveying net chain is provided with a containing groove for containing the metal sheets, and the metal sheets are arranged in the containing groove in a matching mode.

6. A net chain drive structure according to claim 2, wherein: the metal sheet is made of stainless steel with the surface hardened.

7. A net chain drive structure according to claim 1, wherein: two side walls of the meshing groove along the width direction of the chain link are provided with inclined surfaces which incline outwards.

8. A net chain drive structure according to claim 7, wherein: the bottom of the meshing groove is matched with the tooth width of the gear.