CN216071716U

CN216071716U - Chain sheet, chain link and conveying chain for pipe chain conveyor

Info

Publication number: CN216071716U
Application number: CN202122263075.7U
Authority: CN
Inventors: 崔昆; 沈三平
Original assignee: Qinhuangdao Sea Food Co ltd
Current assignee: Qinhuangdao Sea Food Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-18
Anticipated expiration: 2031-09-17

Abstract

The utility model aims to provide a chain sheet, a chain link and a conveying chain for a pipe chain conveyor, aiming at the problem of higher noise when a wheel and the chain of the existing pipe chain conveying device are meshed, wherein the chain sheet comprises a circular sheet body, contact bosses are fixedly arranged on two axial end faces of the sheet body, two connecting holes penetrating through the chain sheet are formed in the contact bosses, the axes of the connecting holes are parallel to the axis of the sheet body, and the midpoint of the vertical connecting line of the axes of the two connecting holes is positioned on the axis of the sheet body; the chain link comprises a long circular ring-shaped chain link I and a chain sheet arranged on the chain link I, the middle section of the chain link I is positioned in the connecting hole, and the center of the chain link I and the center of the chain sheet are superposed; the conveying chain comprises the chain links and a chain link II, wherein the chain links and the chain link I of the chain links are alternately arranged and are buckled with each other; the utility model is helpful to reduce noise generated by the contact of the chain and the chain wheel, reduce abrasion and keep the chain sheet on the conveying chain stably.

Description

Chain sheet, chain link and conveying chain for pipe chain conveyor

Technical Field

The utility model relates to a transmission component, in particular to a chain sheet, a chain link and a conveying chain for a pipe chain conveyor.

Background

A pipe chain type conveyer is a continuous conveyer for conveying powdery, small granular and small block-shaped bulk materials, and is characterized in that in a closed pipeline, a chain piece is used as a transmission component to drive the materials to move along the pipeline, the chain piece is usually made of plastic, nylon and other materials, and in order to move in the pipeline, the chain piece is generally fixed on an endless chain connected end to end, a conveying chain is supported by a chain wheel and is in meshed transmission with the conveying chain, and the chain is driven to circularly move by the rotation of the chain wheel. The chain wheel matched with the conveying chain has two common forms, the first chain wheel is provided with a plurality of gear teeth with thinner end parts than root parts on the outer circumference, the thinner end parts are thinner, the thin end parts of the gear teeth are inserted into the rings of the transverse chain links when in meshing, and the gear teeth are meshed with the transverse chain links for transmission; the second chain wheel is characterized in that a groove is formed in the radial end face of each gear tooth along the circumferential direction of the chain wheel, a sub-groove is formed in each gear tooth, each sub-groove is a groove with two wide ends and a narrow middle, the width of the groove at the narrow part of the groove is smaller than that of a chain ring, a vertical chain link is vertically clamped at the narrow middle part of the groove during meshing, a transverse chain link is transversely clamped at the wide part of the groove, and the transverse chain link cannot pass through the narrow middle part of the groove, so that the end part of the transverse chain link is matched with the wide part of the groove to form meshing; when the two kinds of chain wheels are meshed with the ring chain, the wheel teeth are in direct contact with the ring chain, and the chain wheels and the ring chain are usually made of metal materials, so that noise generated by collision and friction between the metal chain wheels and the metal ring chain is high during transmission, and metal powder is easily generated by mutual friction and grinding of the wheel teeth and the ring chain of the chain wheels, so that conveyed materials are polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chain sheet, a chain link and a conveying chain for a pipe chain conveyor, aiming at the problem of high noise when a wheel used for a pipe chain conveying device is meshed with the chain.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides an used chain piece of pipe chain conveyer, includes the circular shape lamellar body, all fixedly on the diaxon of lamellar body is provided with the contact boss, set up two connecting holes that run through the chain piece on the contact boss, the axis of connecting hole is parallel with the axis of lamellar body, and the mid point of the perpendicular line of two connecting hole axes is located the axis of lamellar body.

Further, the edge of the sheet body is of a round angle structure.

Furthermore, the contact boss is in an oblong shape, and the two connecting holes are respectively coaxial with the two axes of the oblong shape.

Furthermore, be equipped with the groove of stepping down on the terminal surface of contact boss, the groove of stepping down sets up between two connecting holes, and two connecting holes are about the central line symmetry of the groove length direction of stepping down.

Furthermore, the cross section of the abdicating groove is arc-shaped.

Further, the chain sheet is made of food grade nylon.

Furthermore, the projections of the contact bosses on the two sides of the chain sheet on the axial end surface of the chain sheet are overlapped.

A chain link for a pipe chain conveyor comprises a long circular ring-shaped chain link I and a chain sheet arranged on the chain link I, wherein the chain sheet is arranged on the chain sheet, the middle section of the chain link I is positioned in a connecting hole, and the center of the chain link I and the center of the chain sheet are superposed.

A conveying chain for a pipe chain conveyor comprises chain links and a second chain link, wherein the chain links are the chain links, and the second chain link and the first chain link of the chain links are alternately arranged and are buckled with each other.

Further, the pitch of the first chain ring is smaller than that of the second chain ring.

The utility model has the following beneficial effects:

the chain piece comprises a circular piece body, wherein a contact boss is fixedly arranged on the axial end face of the piece body, two connecting holes are formed in the contact boss, the connecting holes are matched with chain rings of a conveying chain, the axes of the connecting holes are parallel to the axis of the piece body, the midpoint of a vertical connecting line of the axes of the two connecting holes is intersected with the axis of the piece body, the chain piece is fixedly arranged on the conveying chain and can be used as teeth of the chain to be meshed with the chain wheel for transmission, when the chain is meshed, the chain bypasses the circumference of the chain wheel, the chain piece is clamped between two adjacent gear teeth of the adjacent chain wheel, and the transmission is carried out by the contact of the contact boss on the chain piece and the gear teeth on the chain wheel, so that the direct contact of the conveying chain and the gear teeth and the piece and the gear teeth can be avoided, the noise generated by the contact of the chain and the chain wheel can be reduced, and the part of the chain piece contacted with the conveying pipe can be avoided being abraded. In addition, the contact lug boss can increase the thickness of the chain sheet at the position where the conveying chain is connected, so that the contact area of the chain sheet and the chain ring is increased, and the chain sheet is kept stable on the conveying chain. The chain link can form a conveying chain in a ring chain form with the chain links, and compared with a rope or belt-shaped structure, the ring chain has better flexibility and is convenient to keep a stretched straight state, the resistance is smaller when the conveying pipe turns, and the chain pieces are easy to keep a vertical state.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a conveyor chain for use in the pipe chain conveyor of the present invention;

FIG. 2 is a schematic view of the construction of a link plate of the conveyor chain of the present invention;

FIG. 3 is a schematic view of the engagement of a conveyor chain with a sprocket;

FIG. 4 is a partial schematic view of the engagement of the conveyor chain with the sprocket.

Reference number legend, 10, conveyor chain; 11. a first chain ring; 111. an arc-shaped section; 112. a middle section; 12. a second chain ring; 13. a chain sheet; 131. a sheet body; 132. contacting the boss; 133. connecting holes; 134. a yielding groove; 20. a sprocket; 21. a wheel body; 22. and (4) gear teeth.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

A chain sheet for a pipe chain conveyor is disclosed, as shown in fig. 1 and 2, for being added to an endless chain to form a conveying chain for pipe chain conveying. The loop chain is formed by buckling a first chain ring 11 and a second chain ring 12, the first chain ring 11 and the second chain ring 12 are alternately arranged, the first chain ring 11 and the second chain ring 12 are both long circular rings, the middle sections 112 of the rings can be two parallel straight parts or two oppositely or forwardly arranged cylinders, the two ends of the rings are arc sections 111 connecting the two middle sections, and the arc sections at the two ends are outwards oppositely arranged. The chain sheet 13 is added on the chain ring 11 to form a chain link. Chain piece 13 includes circular lamellar body 131 and contact boss 132, and contact boss 132 is fixed to be set up in the center of lamellar body 131 two axial terminal surfaces, has seted up two connecting holes 133 on the contact boss 132, and connecting hole 133 runs through chain piece 13, and a chain link 11 penetrates the connecting hole, and wherein interlude 112 is located connecting hole 133. The axial lines of the two connecting holes 133 are parallel to the axial line of the sheet body 131, and the midpoint of a vertical connecting line of the axial lines of the two connecting holes 133 is positioned on the axial line of the sheet body 131, so that the length direction of the first chain link 11 is parallel to the axial direction of the sheet body 131, and the first chain link 11 penetrates through the center of the chain sheet 13, thereby ensuring that the added chain has better central symmetry. The axial line of the chain sheet 13 is superposed with the central line of the chain ring I11 in the length direction, the chain sheets 13 are arranged at the same position of each chain ring I11, the chain sheets 13 are uniformly distributed along the length direction of the whole chain, and the distance between every two adjacent chain sheets 13 is the pitch of the conveying chain 10. The conveying chain formed by fixedly attaching the chain plate 13 to the endless chain can be driven in mesh with the sprocket 20, and when in mesh, the conveying chain 10 is wound around the circumference of the sprocket 20, and the chain plate 13 is engaged between two adjacent teeth 22 of the sprocket 20 as a tooth of the conveying chain. As shown in fig. 4, the minimum distance H2 from the edge of the contact projection 132 to the edge of the chain piece 13 is greater than the height H1 of the tooth 22 of the sprocket 20, so that when the conveying chain 10 is engaged with the driving sprocket 20, the tooth 22 is in contact with the contact projection 132 for transmission, and the piece body 131 is not in direct contact with the tooth 22, which can prevent the chain and the piece body 131 from directly contacting the tooth 22, and can help reduce the noise generated by the contact between the conveying chain 10 and the sprocket 20; the edge part of the chain sheet 13 contacted with the transmission pipe cannot be abraded during transmission, so that the phenomenon of material leakage caused by the occurrence of gaps between the abraded edge of the sheet body 131 and the pipe wall of the transmission pipe 10 is prevented, the service life of the chain sheet 13 is prolonged, and the maintenance amount of equipment is reduced; in addition, the contact boss 132 can increase the thickness of the center of the chain piece 13, so that the contact area between the chain piece 13 and the chain ring one 11 is increased, the connection between the chain ring one 11 and the chain piece 13 is more stable, the chain piece 13 is not easy to shift on the chain, and the conveying chain 10 is not easy to deform. In order to prevent conveyor chain 10 and chain flight 13 from jamming during the turning of the transfer tube, the edges of flight 131 are preferably rounded.

Preferably, the projections of the contact bosses 132 on both sides of the chain piece 13 on the axial end faces of the chain piece 13 are overlapped, so that the contact condition between the chain wheel 20 and the chain piece 13 during the reciprocating motion of the chain can be ensured to be the same, the chain is non-directional, and the use and installation are convenient. As shown in fig. 1, the contact boss 132 may be configured to be an oblong shape, a length direction of the contact boss 132 is consistent with a width direction of the first chain ring 11, the two connecting holes 133 are respectively coaxial with two axes on the contact boss 132, and the oblong structure can better adapt to a flat shape of the first chain ring 11. In order to ensure that the second chain ring 12 can have a sufficient installation space, it is preferable that the end surface of the contact boss 132 is provided with a yielding groove 134, the yielding groove 134 is arranged between the two connection holes 133, the length direction of the yielding groove 134 is perpendicular to the length direction of the contact boss 132, the two connection holes 133 are symmetrically arranged on two sides of the yielding groove 134, and the cross section of the yielding groove 134 is in an arc shape so as to be better adapted to the shape of the chain ring. The chain sheet 13 can be made of nylon material, meanwhile, the nylon material is helpful for reducing noise generated when the driving sprocket 20 is contacted with the chain sheet 13, metal scraps cannot be generated to pollute materials, and in addition, the nylon material has self-lubricating property, so that the resistance of the chain sheet 13 in the conveying pipe can be reduced; the chain pieces 13 are preferably made of food-grade nylon, so that the conveying chain can be used for conveying food powder, and the sanitation of the conveyed food materials is guaranteed. Since the pitch between two adjacent links 13 is determined by the sum of the pitches of the first links 11 and the second links 12, when the distance between the adjacent links 13 is fixed, the smaller the pitch of the first links 11, the larger the pitch of the second links 12, and in order to facilitate the installation of the links 13 on the first links 11, it is preferable to arrange the first links 11 shorter, so that the pitch of the first links 11 is preferably smaller than the pitch of the second links 12. The utility model discloses a chain piece 13 forms the chain link through the mode direct forming who moulds plastics on chain link 11, and rethread chain link two 12 is strung together the chain link and is formed conveying chain 10.

Referring to fig. 3, when the chain piece 13 is engaged with the sprocket 20 as a tooth of a chain, the sprocket 20 may have a structure including a wheel body 21 and a gear tooth 22, the driving sprocket 20 is provided with an annular groove surrounding an outer circumference of the driving sprocket 20, the annular groove penetrates each gear tooth 22 along a circumferential direction of the driving sprocket 20, each gear tooth 22 is divided into a left partial tooth portion and a right partial tooth portion, the two partial tooth portions of the gear tooth are simultaneously contacted with the chain piece 13 at a meshing position of the driving sprocket and the conveying chain, the two partial tooth portions of the chain piece 13 and the gear tooth 22 are both contacted, and two contact positions are respectively located at two sides of the chain piece 13, compared with a case where the chain piece 13 is only transferred with a single contact point, the chain piece 13 is not easily tilted, and is beneficial to maintaining a stable posture of the chain piece 13 during a transmission process.

The specific examples are merely illustrative of the utility model and are not intended to be limiting.

Claims

1. A link for a pipe link conveyor, characterized by: including circular shape lamellar body (131), all fixed contact boss (132) that are provided with on the two axial terminal surfaces of lamellar body (131), set up two connecting holes (133) that run through chain piece (13) on contact boss (132), the axis of connecting hole (133) is parallel with the axis of lamellar body (131), and the mid point of the perpendicular line of two connecting hole (133) axis is located the axis of lamellar body (131).

2. The chain link for a pipe chain conveyor according to claim 1, characterized in that: the edge of the sheet body (131) is of a round corner structure.

3. The chain link for a pipe chain conveyor according to claim 1, characterized in that: the contact boss (132) is in an oblong shape, and the two connecting holes (133) are respectively coaxial with two axes of the oblong shape.

4. The chain link for a pipe chain conveyor according to claim 1, characterized in that: be equipped with on the terminal surface of contact boss (132) and let a groove (134), let a groove (134) set up between two connecting holes (133), and two connecting holes (133) are symmetrical about the central line of letting a groove (134) length direction.

5. The chain link for a pipe chain conveyor according to claim 4, characterized in that: the cross section of the abdicating groove (134) is arc-shaped.

6. The chain link for a pipe chain conveyor according to claim 1, characterized in that: the chain sheet (13) is made of food grade nylon.

7. The chain link for a pipe chain conveyor according to claim 1, characterized in that: projections of the contact bosses (132) on the two sides of the chain sheet (13) on the axial end surface of the chain sheet (13) are overlapped.

8. A chain link for a pipe chain conveyor, comprising a first chain link (11) of an oblong annular shape and a chain piece (13) provided on the first chain link (11), characterized in that: the chain sheet (13) is as set forth in any one of claims 1 to 7, the middle section of the first chain link (11) is positioned in the connecting hole (133), and the center of the first chain link (11) is coincident with the center of the chain sheet (13).

9. A conveyor chain for a pipe chain conveyor, comprising chain links and a second chain link (12), characterized in that: the chain link is the chain link of claim 8, and the second chain links (12) and the first chain links (11) of the chain link are alternately arranged and buckled with each other.

10. A conveyor chain for a pipe chain conveyor according to claim 9, wherein: the pitch of the first chain ring (11) is smaller than the pitch of the second chain ring (12).