CN113682734B - Pipe chain conveyor and chain transmission device used by same - Google Patents
Pipe chain conveyor and chain transmission device used by same Download PDFInfo
- Publication number
- CN113682734B CN113682734B CN202111092644.4A CN202111092644A CN113682734B CN 113682734 B CN113682734 B CN 113682734B CN 202111092644 A CN202111092644 A CN 202111092644A CN 113682734 B CN113682734 B CN 113682734B
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- chain
- sprocket
- conveying
- pipe
- piece
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 44
- 238000007599 discharging Methods 0.000 claims description 25
- 230000008093 supporting effect Effects 0.000 claims description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 239000004677 Nylon Substances 0.000 claims description 8
- 229920001778 nylon Polymers 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 14
- 239000000843 powder Substances 0.000 abstract description 6
- 239000011295 pitch Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 8
- 238000005728 strengthening Methods 0.000 description 7
- 239000007769 metal material Substances 0.000 description 6
- 230000036544 posture Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/20—Traction chains, ropes, or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/14—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in closed conduits, e.g. tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/22—Impellers, e.g. push-plates, scrapers; Guiding means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
- B65G23/06—Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chain Conveyers (AREA)
- Pusher Or Impeller Conveyors (AREA)
Abstract
The application aims at solving the problems that the prior chain transmission device for a pipe chain conveying device has high noise and is easy to generate metal powder when being meshed, and provides a pipe chain conveyor and the chain transmission device used by the pipe chain conveyor, wherein the chain transmission device comprises a conveying chain, a driving sprocket and a driven sprocket, the conveying chain is sleeved on the driving sprocket and the driven sprocket end to end, the conveying chain comprises a ring chain and a chain sheet, the driving sprocket comprises a wheel body and gear teeth, and the conveying chain and the driving sprocket are meshed with the gear teeth through the chain sheet; the driven sprocket comprises an outer wheel ring, a chain piece groove is formed in the outer circumferential surface of the outer wheel ring, the radial section of the chain piece groove is in a circular arc shape, the diameter of the circular arc shape is matched with that of the outer circumference of the chain piece, and the chain piece is made of wear-resistant nonmetallic materials; the pipe chain conveyor comprises a conveying pipe, a chain transmission device and a driving device, wherein the conveying chain penetrates through the conveying pipe, the diameter of the chain piece is matched with the inner diameter of the conveying pipe, and the pipe chain conveyor is low in noise and can avoid the situation that metal scraps pollute materials.
Description
Technical Field
The application relates to the field of material conveying, in particular to a pipe chain conveyor and a chain transmission device used by the same.
Background
The pipe chain type conveyer is a continuous conveying device for conveying powdery, small granular, small block-shaped and other bulk materials, in a closed pipeline, a chain piece is used as a transmission member to drive the materials to move along the pipeline, in order to enable the chain piece to move in the pipeline, the chain piece is generally fixed on an endless chain connected end to end, and the chain is supported and driven by at least one driving chain wheel and at least one driven chain wheel in a matched mode, and the chain is driven to circularly move by rotation of the chain wheels. The chain is formed by buckling a plurality of chain ring rings, the chain rings are divided into vertical chain rings and transverse chain rings according to the meshing postures for convenience in description, wherein the chain rings with the chain ring planes perpendicular to the chain wheel axial direction during meshing are vertical chain rings, and the chain rings with the chain ring planes parallel to the chain wheel axial direction are transverse chain rings. The sprocket which is matched with the endless chain has two common forms, the first sprocket is provided with a plurality of gear teeth with thinner end parts than root parts on the outer circumference, so that the end parts are thinner, the thinner end parts of the gear teeth are inserted into the rings of the transverse chain links during engagement, and the gear teeth are engaged with the transverse chain links for transmission; the second sprocket, set up the slot along the circumference of sprocket on the radial end surface of every tooth of it, form the sub-slot on every tooth of the tooth, every sub-slot is wide in both ends, narrow slot in the middle, the slot width of the narrower department of the slot is smaller than the width of the chain link, the vertical chain link is vertical to clamp into the middle narrow department of the slot while engaging, the horizontal chain link clamps into the wider department of this slot transversely, the horizontal chain link can't pass the middle narrow department of this slot, therefore form the engagement through the circular arc of its end and the wider department of the slot; when the two kinds of chain wheels are meshed with the ring chain, the gear teeth are in direct contact with the ring chain, and the chain wheels and the ring chain are made of metal materials, so that noise generated by collision and friction between the metal chain wheels and the metal ring chain is large in transmission, and metal powder is easy to generate due to mutual friction and grinding between the chain wheel gear teeth and the ring chain, so that conveyed materials are polluted.
Disclosure of Invention
The application aims to solve the problems that the prior chain transmission device for a pipe chain conveyor has large noise and is easy to generate metal powder when being meshed, and provides a pipe chain conveyor and the used chain transmission device.
The technical aim of the application is realized by the following technical scheme:
the chain transmission device comprises a conveying chain, a driving sprocket and a driven sprocket, wherein the conveying chain is sleeved on the driving sprocket and the driven sprocket in an end-to-end mode and supported by the driving sprocket and the driven sprocket, the conveying chain comprises a loop chain and a plurality of chain pieces fixedly connected to the loop chain, the chain pieces are uniformly arranged along the length direction of the loop chain, the driving sprocket comprises a wheel body and gear teeth arranged on the circumference of the wheel body, and the conveying chain and the driving sprocket are meshed with the gear teeth through the chain pieces; the driven sprocket comprises a sprocket body, wherein the sprocket body is provided with an outer wheel ring, the outer circumferential surface of the outer wheel ring is provided with a chain piece groove, the chain piece groove is annular and is arranged along the circumferential direction of the outer wheel ring, the radial section of the chain piece groove is arc-shaped, the diameter of the chain piece groove is matched with the diameter of the outer circumference of the chain piece, the conveying chain is movably connected with the chain piece groove in a matched manner through the outer circumference of the chain piece, and the diameter of the chain piece is arranged along the diameter of the outer wheel ring when the chain piece is matched with the outer wheel ring; the chain piece is made of wear-resistant nonmetallic materials.
Preferably, the distance between two adjacent chain pieces on the conveying chain is matched with the tooth pitch of the driving sprocket, and the thickness of the chain pieces is smaller than the minimum distance d1 between two adjacent gear teeth; at the meshing position of the conveying chain and the driving sprocket, the chain piece is positioned between two adjacent gear teeth of the driving sprocket, and the gear teeth of the driving sprocket are in contact with the axial surface of the chain piece.
Preferably, the driving sprocket is provided with an annular groove along the outer circumference of the driving sprocket, the annular groove at least penetrates through each gear tooth along the circumferential direction of the driving sprocket, and each gear tooth is an arc-shaped tooth with a wide upper part and a narrow lower part; when the conveying chain is meshed with the driving chain wheel, the ring chain at the meshed position is positioned in the annular groove of the gear teeth.
Preferably, the wheel body of the driving chain comprises an outer wheel ring and two circular support plates I, the two support plates I and the outer wheel ring are coaxial, the circumferential surface of the support plate I is fixedly connected with the inner wall of the outer wheel ring, a gap is reserved between the two support plates I, a shaft hole boss is arranged at the center of the support plate I, a shaft hole is formed in the shaft hole boss, weight reducing holes are formed in the support plate I, and the weight reducing holes are uniformly distributed circumferentially by taking the axis of the support plate I as the center; the first fixed a plurality of strengthening ribs that are provided with in the backup pad, the radial setting of backup pad one is all followed to the strengthening rib and is evenly circumference distribution as the center with the axis of backup pad one, and the strengthening rib is close to the one end of outer rim and the inner peripheral face fixed connection of outer rim, and the strengthening rib is rectangular shape, and the one end that the strengthening rib is connected with outer rim is provided with the enhancement portion, and enhancement portion cross-section width is greater than the main part of strengthening rib, and enhancement portion and strengthening rib junction cross-section increase gradually.
Preferably, the chain piece comprises a round sheet body, the edge of the sheet body is of a round corner structure, two connecting holes penetrating through the chain piece are formed in the chain piece, the axes of the connecting holes are parallel to the axis of the sheet body, and the midpoint of a perpendicular connection line of the axes of the two connecting holes is positioned on the axis of the sheet body; the two axial end surfaces of the sheet body are fixedly provided with contact bosses, projections of the contact bosses on the two sides of the chain sheet are overlapped on the axial end surfaces of the chain sheet, the connecting hole is positioned on the contact bosses, and the height of gear teeth of the driving sprocket is larger than the minimum distance from the edges of the contact bosses to the edges of the chain sheet; when the conveying chain is meshed with the driving sprocket, gear teeth of the driving sprocket are contacted with the contact boss; the contact boss is oblong, the two connecting holes are coaxial with the two axes of the contact boss respectively, the end face of the contact boss is provided with an abdication groove, the abdication groove is arranged between the two connecting holes, the two connecting holes are symmetrical about the central line of the abdication groove in the length direction, the cross section of the abdication groove is arc-shaped, and the wear-resistant nonmetallic material is plastic, nylon or tetrafluoroethylene.
Preferably, the driven sprocket body further comprises a second supporting plate, the second supporting plate is coaxial with the outer ring and fixedly connected with the inner circumferential surface of the outer ring, and the geometric center point of the second supporting plate coincides with the geometric center of the outer ring; the center of the second supporting plate is provided with a shaft hole coaxial with the outer ring; a cylindrical pillow block coaxial with the outer ring is fixedly arranged on the second supporting plate, the shaft hole is formed in the pillow block, and the chain piece groove is in static fit movable connection with the chain; the chain piece is made of edible nylon.
The pipe chain conveyor comprises a conveying pipe, a chain transmission device and a driving device for driving the chain transmission device to move, wherein a conveying chain of the chain transmission device penetrates through the conveying pipe, a feed inlet and a discharge outlet are formed in the conveying pipe, the chain transmission device is adopted, the diameter of a chain piece of the chain transmission device is matched with the inner diameter of the conveying pipe, the conveying chain moves in the conveying pipe under the driving of the driving chain transmission device, and the center line of the chain piece and the center line of the conveying pipe are arranged in the same line or the same direction.
Preferably, a sprocket box is arranged at the driven sprocket, the sprocket box comprises a wheel body accommodating part and a chain body accommodating part, the wheel body accommodating part is provided with a flat cylindrical inner cavity, the driven sprocket is rotationally arranged in the inner cavity of the wheel body accommodating part through a shaft hole of the driven sprocket, the driven sprocket is coaxial with the inner cavity of the wheel body accommodating part, the chain body accommodating part at least comprises a circular arc-shaped bent pipe section, the circular arc-shaped bent pipe section is arranged along the outer circumference of the wheel body accommodating part and is coaxial with the wheel body accommodating part, the circular arc-shaped bent pipe section is intersected and communicated with the wheel body accommodating part, a tubular channel is formed between the groove wall of a chain piece groove of the driven sprocket and the inner wall of the circular arc-shaped bent pipe section of the chain body accommodating part, the diameter of the cross section of the tubular channel is matched with the diameter of a sheet body, two ends of the circular arc-shaped bent pipe section are respectively connected with conveying pipes at corresponding ends in a tangent mode, and a conveying chain enters the chain accommodating part from the previous section of conveying pipe into the chain accommodating part and then enters the next section of conveying pipe to complete reversing; straight pipe-shaped connecting parts extending tangentially along the wheel body accommodating parts are arranged at two ends of the chain body accommodating parts and are in butt joint with the conveying pipe through the connecting parts.
Preferably, the axial end surfaces of the two sides of the outer ring of the driven sprocket are respectively provided with a discharge chute, and the discharge chute penetrates through the inner circumferential wall and the outer circumferential wall of the outer ring and is communicated with the chain piece groove; at least two discharging grooves are formed in each axial end face of the outer wheel ring, the discharging grooves on the same axial end face are uniformly distributed circumferentially by taking the shaft hole as the center, guide edges with the same number as the discharging grooves are fixedly arranged on the axial end face of the second supporting plate, the guide edges correspond to the discharging grooves one by one, the guide edges are arc-shaped, the end faces of the guide edges far away from the second supporting plate are flush with the axial end faces of the outer wheel ring, one end of each guide edge is tangential to the outer circumferential face of the pillow block, the other end of each guide edge is fixedly connected with the outer wheel ring and is close to the corresponding discharging groove, the discharging grooves are located on one side of the corresponding guide edge which protrudes outwards in an arc shape, the guide edges on the same side of the second supporting plate are symmetrical about the center of the shaft hole, a duplicate removal hole is formed in the second supporting plate, a duplicate removal hole is formed between any two adjacent guide edges on the same side of the second supporting plate, the duplicate removal hole is in a circular triangle shape, and three edges of the triangle are arc shape and are parallel to the edge or the guide edges of the adjacent outer wheel ring respectively.
Preferably, the automatic feeding device further comprises a dust box, the driving sprocket is rotatably arranged in the dust box, the driving device is arranged in the dust box and further comprises a discharging box, the discharging box is arranged above the feeding hole of the conveying pipe, a discharging nozzle is arranged at the bottom of the discharging box, and the discharging nozzle is communicated with the feeding hole in a sealing mode.
The application has the following beneficial effects:
the chain transmission device comprises a conveying chain, a driving sprocket and a driven sprocket. The conveying chain comprises a loop chain and chain pieces, wherein each chain piece is perpendicular to the length direction of the loop chain and is uniformly distributed along the length direction of the loop chain. The driving sprocket comprises a wheel body and gear teeth arranged on the circumference of the wheel body. At the meshing of drive sprocket and chain piece, the chain piece is located between two adjacent teeth of a cogwheel of drive sprocket, and the teeth of a cogwheel of drive sprocket and the axial surface contact of chain piece, when drive sprocket rotates, promote the axial surface of chain piece through the teeth of a cogwheel and make the chain piece remove, can avoid the direct contact of endless chain and teeth of a cogwheel like this, because the chain piece generally adopts non-metallic material to make, consequently by the contact of teeth of a cogwheel and chain piece, can avoid metallic material's structure collision to reduce noise, avoid producing metallic chip pollution material.
The pipe chain conveyor adopts the chain transmission device, so that the noise is low, and the situation that metal scraps pollute materials can be avoided. In addition, the conveying chain adopts a loop chain structure compared with a rope or a belt-shaped structure, has better flexibility, is convenient to keep in a straightened state, has small resistance to overcome when the conveying chain turns when being used for the pipe chain conveyor, and is beneficial to keeping the chain piece in a state vertical to the length direction of the conveying pipe in the conveying pipe.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a chain drive of the present application;
FIG. 2 is a partial schematic view of an embodiment of a conveyor chain of the present application;
FIG. 3 is a schematic view of a chain drive link embodiment of the present application;
FIG. 4 is a schematic view of a drive sprocket embodiment of the chain drive of the present application;
FIG. 5 is a schematic radial cross-sectional view of the drive sprocket of the embodiment of the present application shown in FIG. 4;
FIG. 6 is a partial schematic view of the meshing of the drive sprocket with the conveyor chain of the present application;
FIG. 7 is a schematic view of a driven sprocket embodiment of the present application;
FIG. 8 is an exploded view of the driven sprocket and sprocket cassette positioning structure of the present application wherein the driven sprocket is engaged with a conveyor chain;
FIG. 9 is a schematic illustration of the connection of the sprocket cassette to the carrier tube of the present application;
fig. 10 is a schematic view of the structure of an embodiment of the tube chain conveyor of the present application.
The reference numerals are used to describe the components,
10. a conveyor chain; 11. a first link; 111. an arc section; 112. an intermediate section; 12. a second link; 13. a chain piece; 131. a sheet body; 132. a contact boss; 133. a connection hole; 134. a groove;
20. a drive sprocket; 21. a wheel body; 211. an outer wheel ring; 212. a first supporting plate; 213. shaft hole boss; 214. reinforcing ribs; 215. a reinforcing part; 216. a lightening hole; 22. gear teeth; 221. tooth dividing parts; 23. an annular groove;
30. a driven sprocket; 31. an outer wheel ring; 32. a second supporting plate; 33. a chain piece slot; 34. a discharge chute; 35. a material guiding edge; 36. a lightening hole; 37. a pillow block; 38. a shaft hole;
50. a sprocket cassette; 51. a wheel body accommodating portion; 52. a chain body accommodating part; 53. a connection part; 531. a main body portion; 532. a half pipe section; 54. a first box body; 55. a second box body; 56. a connecting edge; 57. circular arc bend section;
40. a delivery tube; 41. a feed inlet;
60. discharging boxes; 61. a discharge nozzle;
70. a dust box.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. In the technical scheme of the application, the conveying chain is a flexible chain, so that the conveying chain is difficult to maintain an ideal posture in the transmission process, and therefore, the position and the posture of the chain sheet in the scheme of the application are ideal, and represent the design concept of the application, the position and the posture of the chain sheet can be changed in the actual use process, and the situation after the posture change is not described one by one in the technical scheme of the application.
A chain transmission device, as shown in fig. 1, includes a conveying chain 10, a driving sprocket 20, a driven sprocket 30, and a driving device (not shown) for driving the driving sprocket 20 to rotate. The conveyor chain 10 is endless end to end and supported by at least one drive sprocket 20 and at least one driven sprocket 30, the conveyor chain 10 being maintained in tension. As shown in fig. 2, the conveying chain 10 includes a chain ring and chain pieces 13, the chain ring is formed by alternately arranging first chain rings 11 and second chain rings 12, the first chain rings 11 and the second chain rings 12 are long circular rings, the middle sections 112 of the rings can be two parallel straight parts or two opposite or forward cylinders, the two ends of the rings are arc sections 111 connected with the two middle sections, the arc sections at the two ends are oppositely arranged outwards, each chain ring 11 is provided with a circular chain piece 13, the end face of the chain piece 13 is vertically connected with the middle section of the chain ring, the middle section of the chain ring runs through the end faces of the two sides of the chain piece to enable the arc sections at the two sides of the chain ring to be respectively arranged at the two sides of the chain piece, the transverse center line of the chain ring is the same as the axis of the chain piece, the structure can be realized by arranging connecting holes 133 matched with the middle section of the chain ring on the end face of the chain piece 13, the axes of the two connecting holes 133 are respectively parallel to the axes of the sheet bodies, the two connecting holes are symmetrically arranged relative to the axes of the chain piece, the middle section 11 of the chain piece 11 is arranged at the same pitch as the two adjacent chain pieces 13, namely, and the chain pieces 13 are arranged along the length of the chain piece 13 is equal to the length of the chain 13, which is equal to the length of the chain piece 13, and the chain 13 is arranged along the length of the chain piece 13. The drive sprocket 20 includes a wheel body 21 and gear teeth 22 provided on the circumference of the wheel body 21, and as shown in fig. 6, the minimum distance d1 between two adjacent gear teeth 22 is greater than the thickness of the chain sheet 13, and the pitch d2 of the drive sprocket 20 is adapted to the pitch of the conveyor chain 10. The driving sprocket 20 and the conveyor chain 10 are engaged with the chain piece 13 through the gear teeth 22, as shown in fig. 1 and 6, at which the chain piece 13 is located between two adjacent gear teeth 22 of the driving sprocket 20, and at least one gear tooth 22 of the driving sprocket 20 is in contact with the axial surface of the chain piece 13, the circumferential surface of the chain piece 13 is in contact with the outer circumferential surface of the wheel body 21 of the driving sprocket 20, the circumferential surface of the chain piece 13 is supported by the outer circumferential surface of the wheel body 21 to support the endless chain, the endless chain is not in contact with the outer circumferential surface of the wheel body of the driving sprocket 20 at the engagement, and when the driving sprocket 20 rotates, the axial surface of the chain piece 13 is pushed by the gear teeth 22 to move the conveyor chain 10 forward. Because the driving sprocket 20 only contacts with the chain piece 13 when in engagement, and the chain piece 13 can be made of non-metal materials, the phenomenon of collision and friction between the gear teeth of the metal materials and the endless chain of the metal materials can not occur, the generated noise is small, the mutual grinding between the metal sprocket and the metal chain ring can not occur, the generation of metal powder and scraps is avoided, and the pollution of the metal powder and scraps to materials is prevented. In addition, compared with a rope or belt-shaped structure, the loop chain has better flexibility and certain rigidity, belongs to a rigid-flexible combined chain, when the conveying chain 10 is used for a pipe chain conveying device, the conveying chain 10 is easy to turn due to the flexibility of the conveying chain, the resistance to overcome is small, and the chain piece 13 is kept in a state perpendicular to the length direction of the conveying pipe 40 in the conveying pipe due to the rigidity.
Preferably, as shown in fig. 2 and 3, contact bosses 132 are provided on both axial end surfaces of the plate body 131 of the link 13, respectively, and the contact bosses 132 are preferably provided centering around the center of the axial end surface of the plate body 131, and the connection hole 133 of the link 13 is located on the contact bosses 132. The axes of the two connecting holes 133 are parallel to the axis of the sheet 131, and the midpoint of the perpendicular connection line of the axes of the two connecting holes 133 is positioned on the axis of the sheet 131, and the central line of the chain link in the length direction coincides with the axis of the chain piece, so that the conveying chain 11 has better central symmetry. As shown in fig. 1 and 6, the height H1 of the teeth of the driving sprocket is greater than the minimum distance H2 from the edge of the contact boss to the edge of the chain sheet, so that when the conveying chain 10 is meshed with the driving sprocket 20, the teeth 22 are in contact with the contact boss 132 for transmission, the sheet 131 is not in direct contact with the teeth 22, the edge part of the chain sheet 13 in contact with the conveying pipe is not worn during transmission, gaps are prevented from occurring between the edge of the sheet 131 and the pipe wall of the conveying pipe 10 after the edge is worn, material leakage is avoided, 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 first chain ring 11 is increased, the first chain ring 11 is connected with the chain piece 13 more firmly, 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 the conveyor chain 10 and the link 13 from getting stuck when the conveying pipe turns, the edges of the sheet 131 are preferably rounded. Preferably, the projections of the contact bosses 132 on the two sides of the chain piece 13 on the axial end face of the chain piece 13 coincide, so that the same contact condition of the chain wheel 20 and the chain piece 13 during the reciprocating motion of the chain can be ensured, the chain is non-directional, and the use and the installation are convenient. The contact boss 132 may be formed in an oblong shape, and the length direction of the contact boss 132 is consistent with the width direction of the first link 11, and the two connecting holes 133 are coaxial with two axes on the contact boss 132, so that the oblong structure can be well adapted to the flat shape of the first link 11. In order to ensure that the second link 12 can have sufficient space, it is preferable to provide the end face of the contact boss 132 with a relief groove 134, the relief groove 134 is provided between the two connection holes 133, the length direction of the relief groove 134 is perpendicular to the length direction of the contact boss 132, the two connection holes 133 are symmetrically provided on both sides of the relief groove 134, and the cross section of the relief groove 134 is arc-shaped and can be well adapted to the shape of the link. The chain piece 13 can be made of nylon material, and the nylon material is helpful for reducing noise generated when the driving sprocket 20 contacts with the chain piece 13, so that metal scraps cannot be generated to pollute materials; the chain piece 13 is preferably made of food-grade nylon, so that the conveying chain can be used for conveying food powder, and the sanitation of conveying the food materials is ensured. Since the spacing between adjacent links 13 is determined by the sum of the pitches of the links one 11 and two 12, the smaller the pitch of the links one 11, the larger the pitch of the links two 12, and the shorter the links one 11 is preferably arranged for facilitating the mounting of the links 13 to the links one 11, and therefore the pitch of the links one 11 is preferably smaller than the pitch of the links two 12, when the distance between the adjacent links 13 is fixed.
Preferably, as shown in fig. 4 and 5, an annular groove 23 surrounding the outer circumference of the driving sprocket 20 is formed on the driving sprocket 20, the annular groove penetrates through each gear tooth 22 along the circumferential direction of the driving sprocket 20 to divide each gear tooth 22 into a left gear tooth part 221 and a right gear tooth part 221, the bottom wall of the annular groove 23 can be lower than the tooth root of the gear tooth 22, higher than the tooth root of the gear tooth 22 or even with the tooth root of the gear tooth 22, in the embodiment of fig. 4, the bottom wall of the annular groove 23 is even with the tooth root of the gear tooth 22, the widths of the first chain ring and the second chain ring are smaller than the width of the annular groove 23, so that the endless chain can enter the annular groove 23, and the diameter of the chain piece 13 is larger than the width of the annular groove 23, so that the chain piece 13 cannot penetrate through the annular groove 23 on the gear tooth. With the adoption of the structure, at the meshing position of the driving sprocket and the conveying chain, the two tooth dividing parts 221 of the gear teeth are simultaneously contacted with the chain piece 13, the chain piece 13 is contacted with the two tooth dividing parts 221 of the gear teeth 22, and the two contact positions are respectively positioned at two sides of the chain piece 13, so that compared with the condition that the chain piece 13 is only transmitted by a single contact point, the chain piece 13 is not easy to skew, and the stable posture of the chain piece 13 is maintained in the transmission process. As shown in fig. 6, the teeth 22 of the driving sprocket are preferably arc teeth with wide upper part and narrow lower part, the width b of the tooth root of the teeth 22 is smaller than the width a of the tooth top, the arc teeth can be in a trapezoid structure, the bottom of the trapezoid is the tooth top, and the tooth shape structure of the two bottom corners of the trapezoid is rounded, so that the chain piece 13 is in contact with the cambered surface on the teeth 22 all the time in the meshing rotation process, the possibility of the jamming of the driving sprocket 20 and the conveying chain 10 can be reduced, and meanwhile, the abrasion of the teeth 22 to the chain piece 13 can be reduced. In order to reduce the weight of the driving sprocket 20, as shown in fig. 4 and 5, the structure of the wheel body 21 preferably includes an outer wheel ring 211 and two circular support plates 212, the two support plates 212 are coaxial with the outer wheel ring 211, a gap is formed between the two support plates 212, the circumferential surfaces of the support plates 212 are fixedly connected with the inner wall of the outer wheel ring 211, the support plates 212 are provided with shaft holes, the support plates 212 are also provided with weight reducing holes 216, and the weight reducing holes 216 are preferably provided with a plurality of weight reducing holes and are uniformly and circumferentially distributed with the axis of the support plates 212 as the center, so as to ensure that the center of gravity of the driving sprocket 20 is located at the center of the wheel. The first support plate 212 may be fixedly provided with a plurality of reinforcing ribs 214, the reinforcing ribs 214 are all arranged along the radial direction of the first support plate 212 and uniformly distributed circumferentially with the axis of the first support plate 212 as the center, one end of the reinforcing rib 214 close to the outer wheel ring 211 is fixedly connected with the inner peripheral surface of the outer wheel ring 211, the reinforcing rib 214 is preferably arranged between two adjacent lightening holes 216, and the reinforcing rib 214 is in a strip shape. As shown in fig. 1, a reinforcing portion 215 is provided at one end of the reinforcing rib 214 connected to the outer ring 211, the cross-sectional width of the reinforcing portion 215 is larger than the cross-sectional width of the main body of the reinforcing rib, the cross-sections of the main body portions of the reinforcing ribs are all the same, and the cross-section of the reinforcing portion 213 is gradually increased from the connection with the main body of the reinforcing rib, so that the supporting effect of the outer ring 211 can be enhanced. In order to increase the length of the shaft hole and ensure the stability of the driving sprocket 20 on the rotating shaft, a shaft hole boss 213 may be disposed at the center of the first support plate 212, and the shaft hole is formed on the shaft hole boss 213. Such a drive sprocket 20 may also be used as a driven sprocket. The driving means may be a motor, a rotary cylinder, or the like, as long as it can drive the driving sprocket 20 to rotate.
The structure of the driven sprocket 30 and the engagement manner with the conveyor chain 10 may be the same as or different from the driving sprocket 20, and when the driven sprocket 30 is different from the driving sprocket 20, the following structure is preferably adopted: as shown in fig. 7 and 8, the driven sprocket 30 includes an outer ring 31 and a circular second support plate 32, the second support plate 32 being coaxial with the outer ring 31 and fixedly connected to an inner circumferential surface of the outer ring 31. The geometric center of the second support plate 32 coincides with the geometric center of the outer race 31. The outer circumference of the outer wheel ring 31 is provided with a chain piece groove 33 along the circumference of the outer wheel ring, the radial section of the chain piece groove 33 is arc-shaped, the arc diameter of the chain piece groove 33 is matched with the diameter of the chain piece 13, and the chain piece 13 is positioned in the chain piece groove 33 and connected through friction transmission fit. In the process of matching and driving the driven sprocket 30 and the conveying chain 10, the chain piece 13 approaches the outer wheel ring 31 along the tangential direction of the outer wheel ring 31 until contacting with the wall of the chain piece groove 33, the driven sprocket 30 is driven to rotate by the friction force between the chain piece 13 and the wall of the chain piece groove 33 during driving, in the process, the chain piece 13 supports the chain piece, and the driven sprocket supports the chain piece, so that the chain piece is always not contacted with the driven sprocket 30, and abrasion is not caused between the chain piece and the driven sprocket; since the chain piece 13 contacts with the outer wheel ring 31 along the tangential direction of the outer wheel ring 31, the collision between the chain piece 13 and the outer wheel ring 31 is light, and the chain piece 13 is made of relatively soft materials such as plastic, nylon and the like, the noise generated by the contact between the conveying chain 10 and the driven sprocket 30 is relatively small; since the driven sprocket 30 is not in contact with the endless chain, no metal chips are generated during the transmission process, and no material contamination is caused by the metal chips. The center of the second support plate 32 is provided with a shaft hole 38 for connecting the rotating shaft, the shaft hole 38 is coaxial with the outer wheel ring 31, the second support plate 32 is preferably fixedly provided with a cylindrical pillow block 37 coaxial with the outer wheel ring 31, and the shaft hole 38 is arranged on the pillow block 37, so that the length of the shaft hole 38 is not limited by the thickness of the second support plate 32, the thickness of the second support plate 32 can be reduced while the length of the shaft hole 38 is ensured, and the weight of the driven sprocket 30 is reduced. The driven sprocket having the sprocket grooves formed in the circumference thereof is referred to as a groove-shaped driven sprocket. The driven sprocket adopting the structure of the application, because the chain piece groove is arranged on the outer ring of the driven sprocket, when the conveying chain is matched with the driven sprocket, the chain pieces are arranged along the radial direction of the driven sprocket, an inscribed matched structure is formed between the chain pieces, when the conveying chain moves, friction force is generated between the sheet body and the chain piece groove, when the friction force is larger than the driving force of the rotation of the driven sprocket, the driven sprocket rotates together with the sheet body, so that relative displacement is not generated between the sheet body and the driven sprocket, the driven sprocket drives the sheet body to rotate together, and the reversing is completed. When the friction force between the two is smaller than the driving force of the driven sprocket wheel, the driven sprocket wheel and the chain sheet relatively slide, and the driven sprocket wheel is not moved, and only support and guide are provided when the conveying chain turns, therefore, the friction force between the chain sheet and the driven sprocket wheel is better than the driving force of the driven sprocket wheel.
The pipe chain conveyor comprises a conveying pipe 40 and the chain transmission device, as shown in fig. 10, wherein the structure of a driven sprocket is the same as that of a driving sprocket, and the driven sprocket is preferably a groove-shaped driven sprocket. Wherein the conveyor chain of the chain drive passes through the conveyor pipe 40, the number and position of the driven sprockets in the chain turning device are set according to a pre-planned conveyor path, so that the conveyor chain runs according to the conveyor path. The conveying pipe 40 is an equal-diameter pipeline, the inner diameter of the conveying pipe 40 is matched with the diameter of the chain piece 13, a feed inlet 41 and a discharge outlet are formed in the pipe wall of the conveying pipe 40, the feed inlet 41 is preferably formed upwards, so that materials can enter the conveying pipe 40 through self weight, and therefore the part of the conveying pipe 40 provided with the feed inlet 41 is preferably horizontally arranged. A discharging box 60 can be arranged above the feeding hole 41, an inlet is formed in the discharging box 60, a funnel-shaped discharging nozzle 61 is arranged at the bottom of the discharging box 60, and the discharging nozzle 61 is communicated with the feeding hole 41 in a sealing mode so as to facilitate feeding into the feeding hole 41. As shown in fig. 8 and 9, a sprocket cassette 50 accommodating the driven sprocket 30 is provided at the driven sprocket. The sprocket cassette 50 includes a wheel body accommodating portion 51 for accommodating the driven sprocket 30, and a chain body accommodating portion 52 for passing through and interfacing with the conveyor chain 10. The wheel body accommodating portion 51 has an inner cavity in which the driven sprocket is rotatably disposed, and the inner cavity is preferably a cylindrical case having an inner diameter adapted to the diameter of the driven sprocket 30, and the driven sprocket 30 is coaxially coupled to the wheel body accommodating portion 51 and rotatably coupled to the wheel body accommodating portion 51 through the shaft hole 38. The chain body accommodating portion 52 at least comprises a circular arc-shaped bent pipe section 57, the circular arc-shaped bent pipe section is arranged along the outer circumference of the wheel body accommodating portion 51 and is coaxial with the wheel body accommodating portion, the circular arc-shaped bent pipe section is intersected and communicated with the wheel body accommodating portion, the diameter of the cross section of the chain body accommodating portion 52 is matched with the diameter of the sheet body 131, a tubular channel is formed between the groove wall of the chain sheet groove 33 of the driven sprocket 30 and the inner wall of the circular arc-shaped bent pipe section of the chain body accommodating portion 30, the diameter of the tubular channel is matched with the diameter of the chain sheet 13, the circular chain is in movable fit connection with the circular chain sheet groove, two ends of the chain body accommodating portion are respectively butted with conveying pipes at corresponding ends, the conveying chain 10 enters the chain body accommodating portion 52 after coming out of the conveying pipes and passes through the chain body accommodating portion and enters the conveying pipes again from the chain body accommodating portion, the sheet body 131 vertically enters the chain body accommodating portion along the radial direction of the driven sprocket, the conveying chain 10 vertically matches with the tubular channel through the circumference thereof, the circular chain is supported by the sheet body, only contacts with the chain sheet groove of the driven sprocket 30, and the circular chain is not contacted with the driven sprocket. By adopting the chain wheel box with the structure, when the driven chain wheel 30 is bypassed by the conveying chain 10, the material is restrained through the structure of the tubular passage, so that the material can be effectively prevented from falling from the driven chain when passing through the driven chain wheel, the driven chain wheel 30 is prevented from being polluted by external pollutants, and the sanitation of material conveying is facilitated. It is preferable that straight pipe-shaped connecting portions 53 extending tangentially along the wheel body accommodating portion 51 are provided at both ends of the chain body accommodating portion 52, the connecting portions 53 are adapted to be butted with the conveying pipe 40, an inner diameter of the connecting portions 53 is adapted to an outer diameter of the conveying pipe 40, and ends of the conveying pipe 40 may be provided inside the connecting portions 53 or outside the connecting portions 52. In order to facilitate the installation of the sprocket box 50, the sprocket box 50 can be arranged to be in a split structure, the sprocket box 50 is divided into a first box body 54 and a second box body 55, the opposite end surfaces of the first box body 54 and the second box body 55 are perpendicular to the axis of the wheel body accommodating part, the first box body 54 and the second box body 55 are opposite to each other to form a complete sprocket box 50, the edges of the first box body 54 and the second box body 55 are respectively provided with a connecting edge 56, the first box body 54 is in butt joint with the second box body 55, and the connecting edges 56 of the two box bodies are connected through bolts, so that the first box body 54 and the second box body 55 are fixedly connected. In order to further facilitate the fixation of the conveying pipe 40, the connecting portion 53 of the first box body 54 may be configured as a split structure, and divided into a half pipe portion 532 and a main body portion 531 integrally provided with the chain body accommodating portion 52, where the half pipe portion 532 and the connecting portion 53 of the second box body 55 relatively clamp the conveying pipe 40, so that the conveying pipe 40 and the connecting portion 53 are relatively fixed. Generally, the diameter of the inner cavity of the wheel body accommodating part is slightly larger than the outer diameter of the driven wheel, the distance between the two end surfaces of the wheel body accommodating part is slightly larger than the thickness of the driven wheel, a certain gap is reserved between the outer circumference of the driven wheel and the inner cavity of the wheel body accommodating part, the gap is preferably large enough to enable the driven wheel to freely rotate, and the gap is usually between 0.2 mm and 3mm, so that the driven wheel can conveniently rotate in the sprocket box, and the gap between the driven sprocket and the inner cavity of the wheel body accommodating part is not too large. Since a gap is formed between the inner side wall of the wheel body accommodating portion 51 of the sprocket cassette and the end face of the outer ring 31, material may enter a space formed between the second support plate 32 and the inner wall of the wheel body accommodating portion 51 from the gap, and in order to guide out the material in the space, a discharge chute 34 and a guide edge 35 may be provided on the driven sprocket 30. As shown in fig. 7, the discharge grooves 34 are disposed on axial end surfaces on both sides of the outer ring 31, the discharge grooves 34 penetrate through inner and outer circumferential walls of the outer ring 31, and the discharge grooves 34 are communicated with the chain sheet grooves 33, at least two discharge grooves 34 are disposed on each axial end surface of the outer ring 31, and the discharge grooves 34 disposed on the same axial end surface are uniformly circumferentially distributed with the shaft hole 38 as a center, and in this embodiment, four discharge grooves 34 are disposed on each axial end surface of the outer ring 31. The guide edge 35 is an arc-shaped convex rib, the guide edge 35 is fixedly arranged on the axial end face of the second supporting plate 32, the end face of the guide edge 35, which is far away from the second supporting plate 32, is flush with the axial end face of the outer ring 31, one end of the guide edge 35 is tangent with the outer circumferential face of the pillow block 37, and the other end of the guide edge 35 is fixedly connected with the outer ring 31. The guide edges 35 and the discharge grooves 34 are consistent in number, each guide edge 35 corresponds to one discharge groove 34 respectively, one end of each guide edge 35 connected with the outer wheel ring 31 is close to the corresponding discharge groove 34, the guide edges are identical in shape and size, the discharge grooves 34 are located on the outer arc sides of the corresponding guide edges 35, the guide edges 35 can be overlapped with any guide edge 35 located on the same axial end face of the second support plate 32 by taking the shaft hole 38 as the center, and the guide edges located on the same axial end face of the second support plate 32 are uniformly distributed circumferentially by taking the shaft hole as the center, so that the gravity center of the driven sprocket 30 and the geometric center of the driven sprocket 30 can be conveniently ensured to be overlapped. When the driven sprocket 30 rotates, the material guiding edge 35 passes through the material between the second support plate and the inner wall of the sprocket accommodating part, the material guiding edge 35 pushes the material falling in the sprocket accommodating part to move, under the guiding action of the arc-shaped structure of the material guiding edge 35, the material moves along the convex surface of the material guiding edge 35 in the direction of the outer wheel ring 31 until the material moves to the discharge chute 34 and enters the chain piece groove 33 from the discharge chute 34, and the material entering the chain piece groove 33 is taken away by the chain piece 13. The discharge grooves 34 and the guide edges 35 on the two sides of the second support plate 32 are mirror symmetrical with respect to the second support plate 32, so that the symmetry of the driven sprocket 30 can be improved. In order to further reduce the weight of the driven sprocket 30, the second support plate 32 may be provided with a weight removing hole 36, and in order to improve the symmetry of the driven sprocket 30, a weight removing hole 36 may be disposed between any two adjacent material guiding edges 35 located on the same side of the second support plate 32. The weight-removing holes 36 are preferably provided as rounded triangles, the three sides of which are arc-shaped and parallel to the edges of the adjacent outer ring 31 or the material guiding edges 35, respectively, so that the shape of the weight-removing holes 36 is similar to the shape of the triangular area enclosed between the material guiding edges 35 and the outer ring, which is helpful for increasing the size of the weight-removing holes 36. When the chain wheel assembling structure is adopted, when the conveying chain is reversed on the driven chain wheel, the arc-shaped bent pipe and the outer circumferential surface of the driven chain wheel form an arc-shaped tubular passage, and when the driven chain wheel moves together with the conveying chain, the driven chain wheel does not need a chain piece to push materials to move, so that the materials are not easy to fall on the inner walls of the chain piece and the tubular passage, and the loss of the materials is small.
It is preferable to provide a dust box 70, and the driving sprocket 40 and the driving device are provided in the dust box 70, so that impurities and moisture in the surrounding environment are prevented from adhering to the driving sprocket 40, the impurities and moisture are reduced from contacting materials, the driving sprocket 40 is rotatably connected to the dust box 70 through a rotating shaft, and the driving sprocket 40 is supported through the side wall of the dust box 70.
This specific example is merely illustrative of the application and is not intended to be limiting.
Claims (7)
1. The utility model provides a used chain drive of pipe chain conveyer, includes conveying chain (10), driving sprocket (20) and driven sprocket (30), and conveying chain (10) end to end cover is established on driving sprocket (20) and driven sprocket (30), is supported its characterized in that by driving sprocket (20) and driven sprocket (30): the conveying chain (10) comprises a loop chain and chain pieces (13) fixedly connected to the loop chain, the chain pieces (13) are provided with a plurality of chain pieces and are uniformly arranged along the length direction of the loop chain, the driving sprocket (20) comprises a wheel body (21) and gear teeth (22) arranged on the circumference of the wheel body (21), and the conveying chain (10) and the driving sprocket (20) are meshed with the gear teeth (22) through the chain pieces (13); the driven sprocket (30) comprises a sprocket body, the sprocket body is provided with an outer wheel ring (31), a chain piece groove (33) is formed in the outer circumferential surface of the outer wheel ring (31), the chain piece groove (33) is annular and is arranged along the circumferential direction of the outer wheel ring (31), the radial section of the chain piece groove (33) is arc-shaped, the diameter of the chain piece groove is matched with the diameter of the outer circumference of a chain piece (13), the conveying chain (10) is in matched movable connection with the chain piece groove (33) through the outer circumference of the chain piece (13), and the diameter of the chain piece is arranged along the diameter of the outer wheel ring when the chain piece is matched with the outer wheel ring; the chain piece is made of wear-resistant nonmetallic materials;
an annular groove (23) is formed in the driving sprocket (20) along the outer circumference of the driving sprocket (20), the annular groove (23) at least penetrates through each gear tooth (22) along the circumferential direction of the driving sprocket (20), and each gear tooth (22) is an arc-shaped tooth with a wide upper part and a narrow lower part; when the conveying chain (10) is meshed with the driving sprocket (20), the endless chain at the meshed position is positioned in the annular groove (23) of the gear teeth;
the chain piece (13) comprises a circular sheet body (131), the edge of the sheet body (131) is of a round corner structure, two connecting holes (133) penetrating through the chain piece (13) are formed in the chain piece (13), the axes of the connecting holes (133) are parallel to the axis of the sheet body (131), and the midpoint of a perpendicular connecting line of the axes of the two connecting holes (133) is located on the axis of the sheet body (131); the two axial end surfaces of the sheet body (131) are fixedly provided with contact bosses (132), projections of the contact bosses (132) on two sides of the chain sheet (13) on the axial end surfaces of the chain sheet (13) are overlapped, the connecting holes (133) are positioned on the contact bosses (132), and the height of gear teeth (22) of the driving sprocket (20) is larger than the minimum distance from the edges of the contact bosses (132) to the edges of the chain sheet; when the conveying chain (10) is meshed with the driving sprocket (20), gear teeth (22) of the driving sprocket (20) are contacted with the contact boss (132); the contact boss (132) is in an oblong shape, two connecting holes (133) are coaxial with two axes of the contact boss (132) respectively, an abdication groove (134) is arranged on the end face of the contact boss (132), the abdication groove (134) is arranged between the two connecting holes (133), the two connecting holes (133) are symmetrical about the central line of the abdication groove (134) in the length direction, and the cross section of the abdication groove (134) is in an arc shape;
the wheel body of the driven sprocket further comprises a second supporting plate (32), the second supporting plate (32) is coaxial with the outer wheel ring (31) and fixedly connected with the inner circumferential surface of the outer wheel ring (31), and the geometric center point of the second supporting plate (32) is coincident with the geometric center of the outer wheel ring (31); the center of the second supporting plate (32) is provided with a shaft hole (38) coaxial with the outer wheel ring (31); a cylindrical pillow block (37) coaxial with the outer wheel ring (31) is fixedly arranged on the second supporting plate (32), the shaft hole (38) is arranged on the pillow block (37), the chain piece groove is in static fit movable connection with the driven chain wheel,
the friction force between the chain sheet and the driven sprocket is larger than the driving force of the driven sprocket, so that the driven sprocket rotates to rotate together with the sheet body, no relative displacement is generated between the chain sheet and the driven sprocket, the driven sprocket drives the sheet body to turn together, and reversing is completed.
2. A chain drive for a tube chain conveyor as claimed in claim 1 wherein: the distance between two adjacent chain pieces (13) on the conveying chain (10) is matched with the tooth pitch of the driving sprocket (20), and the thickness of the chain pieces (13) is smaller than the minimum distance d1 between two adjacent gear teeth (22); at the meshing position of the conveying chain (10) and the driving sprocket (20), the chain sheet (13) is positioned between two adjacent gear teeth (22) of the driving sprocket (20), and the gear teeth (22) of the driving sprocket (20) are in contact with the axial surface of the chain sheet (13).
3. A chain drive for a tube chain conveyor as claimed in claim 2 wherein: the driving chain wheel body (21) comprises an outer wheel ring (211) and two circular support plate I (212), the two support plate I (212) and the outer wheel ring (211) are coaxial, the circumferential surface of the support plate I (212) is fixedly connected with the inner wall of the outer wheel ring (211), a gap is reserved between the two support plate I (212), a shaft hole boss (213) is arranged at the center of the support plate I (212), a shaft hole is formed in the shaft hole boss (213), weight reducing holes (216) are formed in the support plate I (212), and the weight reducing holes (216) are uniformly and circumferentially distributed by taking the axis of the support plate I (212) as the center; the support plate one (212) is fixedly provided with a plurality of reinforcing ribs (214), the reinforcing ribs (214) are all arranged along the radial direction of the support plate one (212) and uniformly distributed circumferentially by taking the axis of the support plate one (212) as the center, one end, close to the outer wheel ring (211), of the reinforcing ribs (214) is fixedly connected with the inner peripheral surface of the outer wheel ring (211), the reinforcing ribs (214) are strip-shaped, one end, connected with the outer wheel ring (211), of the reinforcing ribs (214) is provided with a reinforcing part (215), the section width of the reinforcing part (215) is larger than the main body part of the reinforcing ribs (214), and the section of the joint of the reinforcing part (215) and the reinforcing ribs is gradually increased.
4. A chain drive for a tube chain conveyor as claimed in claim 1 wherein: the wear-resistant nonmetallic material is plastic, nylon or tetrafluoroethylene.
5. A chain drive for a tube chain conveyor as claimed in claim 1 wherein: the chain piece (13) is made of edible nylon.
6. The utility model provides a pipe chain conveyer, includes conveyer pipe (40), chain drive and drive chain drive's drive arrangement of motion, chain drive's conveyer chain passes from conveyer pipe (40), has seted up feed inlet and discharge gate on the conveyer pipe, its characterized in that: the chain transmission device as claimed in any one of claims 1 to 5 is adopted, the diameter of the chain piece of the chain transmission device is matched with the inner diameter of the conveying pipe, the conveying chain moves in the conveying pipe under the driving of the chain transmission device, and the central line of the chain piece is arranged in the same line or the same direction with the central line of the conveying pipe;
the driven sprocket as set forth in claim 5, a sprocket box is arranged at the driven sprocket, the sprocket box (50) comprises a wheel body accommodating part (51) and a chain body accommodating part (52), the wheel body accommodating part (51) is provided with a flat cylindrical inner cavity, the driven sprocket is rotationally arranged in the inner cavity of the wheel body accommodating part through a shaft hole of the driven sprocket, the driven sprocket (30) is coaxial with the inner cavity of the wheel body accommodating part (51), the chain body accommodating part (52) at least comprises a circular arc-shaped bent pipe section (57), the circular arc-shaped bent pipe section is arranged along the outer circumference of the wheel body accommodating part (51) and is coaxial with the wheel body accommodating part, the circular arc-shaped bent pipe section is intersected and communicated with the wheel body accommodating part, a tubular passage is formed between the groove wall of a chain piece groove (33) of the driven sprocket (30) and the inner wall of the circular arc-shaped bent pipe section of the chain body accommodating part, the diameter of the cross section of the tubular passage is matched with the diameter of the sheet body (131), and two ends of the circular arc-shaped bent pipe section are respectively tangent with a conveying pipe at the corresponding end, and the conveying chain enters the chain accommodating part from the previous section and then enters the next section conveying pipe to the conveying pipe to complete reversing; straight pipe-shaped connecting parts (53) extending tangentially along the wheel body accommodating part (51) are arranged at two ends of the chain body accommodating part (52), and are in butt joint with the conveying pipe (40) through the connecting parts (53);
the axial end surfaces of the two sides of the outer wheel ring (31) of the driven sprocket are respectively provided with a discharge chute (34), and the discharge chute (34) penetrates through the inner circumferential wall and the outer circumferential wall of the outer wheel ring (31) and is communicated with the chain piece groove (33); at least two discharging grooves (34) are formed in each axial end face of the outer wheel ring (31), the discharging grooves (34) on the same axial end face are uniformly distributed circumferentially by taking a shaft hole (38) as a center, guide edges (35) which are consistent with the discharging grooves (34) in number are fixedly arranged on the axial end face of the second supporting plate (32), the guide edges (35) are in one-to-one correspondence with the discharging grooves (34), the guide edges (35) are arc-shaped, the end face, far away from the second supporting plate (32), of each guide edge (35) is flush with the axial end face of the outer wheel ring (31), one end of each guide edge (35) is tangent to the outer circumferential face of a shaft table (37), the other end of each guide edge (35) is fixedly connected with the outer wheel ring (31) and is close to the corresponding discharging groove (34), the discharging groove (34) is located on one side of the arc-shaped outer protrusion of the corresponding guide edge (35), each guide edge (35) on the same side of the second supporting plate (32) is symmetrical about the center of the shaft hole (38), weight removing holes (36) are formed in the second supporting plate (32), the weight removing holes (36) are formed between any two adjacent guide edges (35) on the same side of the second supporting plate (32), the weight removing edges (36) are triangle edges or the triangle edges (36) are parallel to the triangle edges, and the triangle edges (36) are respectively;
the number of the material guiding edges (35) is consistent with that of the discharging grooves (34), each material guiding edge (35) corresponds to one discharging groove (34) respectively,
the diameter of the inner cavity of the wheel body accommodating part is slightly larger than the outer diameter of the driven wheel, the distance between the two end faces of the wheel body accommodating part is slightly larger than the thickness of the driven wheel, so that a certain gap is formed between the outer circumference of the driven wheel and the inner cavity of the wheel body accommodating part, and the size of the gap is preferably 0.2-3mm so that the driven wheel can freely rotate.
7. The tube chain conveyor of claim 6, wherein: still include the dust-proof case drive sprocket (20) rotate and set up in dust-proof case (70), drive arrangement sets up still includes blanking box (60) in dust-proof case (70), and blanking box (60) set up the top at feed inlet (41) of conveyer pipe (40), the bottom of blanking box (60) is provided with ejection of compact mouth (61), ejection of compact mouth with feed inlet sealing intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111092644.4A CN113682734B (en) | 2021-09-17 | 2021-09-17 | Pipe chain conveyor and chain transmission device used by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111092644.4A CN113682734B (en) | 2021-09-17 | 2021-09-17 | Pipe chain conveyor and chain transmission device used by same |
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| Publication Number | Publication Date |
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| CN113682734A CN113682734A (en) | 2021-11-23 |
| CN113682734B true CN113682734B (en) | 2023-11-17 |
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Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1012939A3 (en) * | 1999-10-18 | 2001-06-05 | Metaalconstructies Sleurs Nv | Tube transport device. |
| US6276517B1 (en) * | 2000-01-03 | 2001-08-21 | Protoco, Inc | Ice conveyor |
| CN2883257Y (en) * | 2006-02-25 | 2007-03-28 | 康承国 | Pipe chain conveyer |
| US8245837B2 (en) * | 2009-01-23 | 2012-08-21 | The Gsi Group, Llc | Chain disk conveyor corner housing |
| CN201604995U (en) * | 2010-02-08 | 2010-10-13 | 江苏华粮机械有限公司 | Chain for pipe-chain conveyor |
| KR101826182B1 (en) * | 2017-06-19 | 2018-02-06 | 주식회사 가온텍 | Inline cable conveyor |
| CN207671125U (en) * | 2017-10-28 | 2018-07-31 | 江苏华粮机械有限公司 | Pipe chain machine corner case |
| CN209739975U (en) * | 2019-04-04 | 2019-12-06 | 承德承飞输送设备制造有限公司 | nonmetal disc chain structure of pipe chain machine |
| CN110510338B (en) * | 2019-09-04 | 2024-04-09 | 沧州市永高农牧机械科技有限公司 | Damping rotation gear tooth driving wheel |
| US11008172B2 (en) * | 2019-09-10 | 2021-05-18 | Valco Industries, Inc. | Corner unit for material conveying system |
| CN213386182U (en) * | 2020-09-04 | 2021-06-08 | 广东惠宏科技有限公司 | Pipe chain conveyor |
| CN213293742U (en) * | 2020-09-30 | 2021-05-28 | 沧州市永高农牧机械科技有限公司 | Steel cable plug disc driving wheel |
| CN213293741U (en) * | 2020-09-30 | 2021-05-28 | 沧州市永高农牧机械科技有限公司 | Reinforced cambered surface steel cable plug disc |
| CN112573097A (en) * | 2020-12-27 | 2021-03-30 | 康地饲料（中国）有限公司 | Pipe chain conveyor for feed production |
-
2021
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