CN107934402A - With upper and lower traction belts machine - Google Patents

With upper and lower traction belts machine Download PDF

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Publication number
CN107934402A
CN107934402A CN201711179944.XA CN201711179944A CN107934402A CN 107934402 A CN107934402 A CN 107934402A CN 201711179944 A CN201711179944 A CN 201711179944A CN 107934402 A CN107934402 A CN 107934402A
Authority
CN
China
Prior art keywords
traction
traction belts
belts machine
machine
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711179944.XA
Other languages
Chinese (zh)
Inventor
方洁
Original Assignee
方洁
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 方洁 filed Critical 方洁
Priority to CN201711179944.XA priority Critical patent/CN107934402A/en
Publication of CN107934402A publication Critical patent/CN107934402A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/10Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface
    • B65G15/12Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts
    • B65G15/14Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts the load being conveyed between the belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/02Belt- or chain-engaging elements
    • B65G23/04Drums, rollers, or wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/22Arrangements or mountings of driving motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/24Gearing between driving motor and belt- or chain-engaging elements
    • B65G23/30Variable-speed gearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G41/00Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
    • B65G41/001Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor adjustably mounted on the supporting frame or base
    • B65G41/003Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor adjustably mounted on the supporting frame or base mounted for linear movement only

Abstract

The invention discloses one kind with upper and lower traction belts machine, including rack (1), lower traction belts machine device (2), upper traction belts machine device (3) and upper traction belts machine lifting gear (4), lower traction belts machine device (2) bottom is connected in rack (1), upper traction belts machine device (3) both sides are connected on traction belts machine lifting gear (4), and upper traction belts machine lifting gear (4) bottom is connected on lower traction belts machine device (2).The present invention is simple in structure with upper and lower traction belts machine, easy to maintenance;Wire body production capacity is improved, transmission line body arrangement is very convenient, its is simple in structure, cost is low, stable mechanical performance, and continuous production operation, significantly improves production efficiency.

Description

With upper and lower traction belts machine
Technical field
The present invention relates to one kind with upper and lower traction belts machine.
Background technology
At present, many manufacturing enterprises carry out traction material using rope class or pressure roller more to band traction belts machine both at home and abroad, special The other traction conveying effect to slim wide plate is bad, has corresponding damage to material, material easy fracture, can not meet reality The needs of border production, low production efficiency, high rejection rate, therefore a kind of stable mechanical performance is designed, slim wide plate is led Draw work well a kind of take traction belts machine be high efficiency production there is an urgent need to.
The content of the invention
It is good to slim wide plate traction effect to take the object of the present invention is to provide a kind of stable mechanical performance Lower traction belts machine.
The used to achieve the above object technical solution of the present invention is:One kind is with upper and lower traction belts machine, including rack (1), lower traction belts machine device (2), upper traction belts machine device (3) and upper traction belts machine lifting gear (4), lower traction skin Band machine device (2) bottom is connected in rack (1), and upper traction belts machine device (3) both sides are connected to the lifting of traction belts machine On device (4), upper traction belts machine lifting gear (4) bottom is connected on lower traction belts machine device (2).
The upper traction belts machine lifting gear (4) is adjusted lower traction belts machine device (2) and is above led by synchronization lifting Draw the distance between belt conveyor device (3).
The rack (1) includes frame body (5) and foot cup (6), and the foot cup (6) is installed on frame body (5) bottom.
The lower traction belts machine device (2) includes the first gear motor (7), the first motor sprocket (8), the first chain (9), the first roller sprocket wheel (10), lower traction active roll tube (11), lower traction belts (12), the passive roller (13) of lower traction, the One side bar (14) and the first rolling bearing units (47), first gear motor (7) pass through the first motor sprocket (8), the first chain (9), lower traction active roll tube (11) rotation of the first roller sprocket wheel (10) driving, lower traction active roll tube (11) rotating frictional force Lower traction belts (12) and passive roller (13) operating of lower traction are driven, lower traction active roll tube (11) passes through the first rolling bearing units (47) on the drive end of the first side bar of both sides (14), the lower passive roller (13) of traction is installed on the first side bar of both sides (14) Partner on.
The upper traction belts machine device (3) includes the second gear motor (15), the second motor sprocket (16), the second chain (17), the second roller sprocket wheel (18), upper traction active roll tube (19), upper traction belts (20), the passive roller (21) of upper traction, the Two rolling bearing units (22) and the second side bar (23), the second gear motor (15) pass through the second motor sprocket (16), the second chain (17), active roll tube (19) rotation, upper traction active roll tube (19) rotating friction are drawn in second roller sprocket wheel (18) driving Power drives upper traction belts (20) and passive roller (21) operating of upper traction, and the upper active roll tube (19) that draws is usherd to seat axis by second (22) are held on the drive end of the second side bar of both sides (23), the upper passive roller (21) of traction is installed on the second side bar of both sides (23) on Partner.
The upper traction belts machine lifting gear (4) includes the first side plate (24) and the second side plate (25) is separately mounted to down The side of traction belts machine device (2) the first side bar of both sides (14), the first leading screw (26) pass through the 3rd rolling bearing units (27), the 4th Rolling bearing units (28) and the first thrust bearing (29) are installed on the first side plate (24), and the first umbrella is installed in the first leading screw (26) end Gear (30), the first leading screw (26) middle part the second nut of installation (46), two groups of primary optic axis of the first side plate (24) inner side installation (31) and first straight line bearing block (32), the second nut (46) and two first straight line bearing blocks (32) while it is installed on upper traction The both sides of belt conveyor device (3), the same side of the second side bar (23), connecting plate (33) is by by the first side plate (24) and the second side Plate (25) links together, and the second leading screw (34) passes through the 5th rolling bearing units (35), the 6th rolling bearing units (36) and the second thrust Bearing (37) is installed on the second side plate (25), and the second bevel gear (38), the second leading screw (34) are installed in the second leading screw (34) end The first nut (39) is installed at middle part, and two group of second optical axis (40) and second straight line bearing block are installed on the inside of the first side plate (24) (41), the first nut (39) and two second straight line bearing blocks (41) and meanwhile installed in upper traction belts machine device (3) both sides, The opposite side of second side bar (23), lifting and driving axis (42) pass through the 7th rolling bearing units (43) and the 8th rolling bearing units (44) difference It is connected on the first side plate (24) and the second side plate (25).
The 3rd bevel gear (48) on lifting and driving axis (42) Partner coordinates the first bevel gear (30) gear pair.
The 4th bevel gear (49) on lifting and driving axis (42) drive end coordinates the second bevel gear (38) to form gear It is secondary.
Lifting and driving axis (42) the end installation rotational handle (45), rotational handle drive the two of lifting and driving axis (42) A gear pair rotates synchronously, and gear pair rotates the first leading screw (26) for driving both sides and the second leading screw (34) synchronous rotation, makes the The first nut (39) on the second nut (46) and the second leading screw (34) on one leading screw (26) moves up and down, and skin is drawn in drive Band machine device (3) moves up and down, and adjusts the distance of lower traction belts machine device (2) and upper traction belts machine device (3).
It is of the invention a kind of with upper and lower traction belts machine, it is simple in structure, it is easy to maintenance;Improve wire body production capacity, pipeline Body arrangement is very convenient, its is simple in structure, cost is low, stable mechanical performance, and continuous production operation, significantly improves production efficiency.
Brief description of the drawings
Fig. 1 is the front view of traction belts machine above and below a kind of band of the present invention.
Fig. 2 is the side view of traction belts machine above and below a kind of band of the present invention.
Fig. 3 is the rack construction schematic diagram of traction belts machine above and below a kind of band of the present invention.
Fig. 4 is the lower traction belts machine device front view of traction belts machine above and below a kind of band of the present invention.
Fig. 5 is the lower traction belts machine device side view of traction belts machine above and below a kind of band of the present invention.
Fig. 6 is the upper traction belts machine device front view of traction belts machine above and below a kind of band of the present invention.
Fig. 7 is the upper traction belts machine device side view of traction belts machine above and below a kind of band of the present invention.
Fig. 8 is the upper traction belts machine lifting gear front view of traction belts machine above and below a kind of band of the present invention.
Fig. 9 is the upper traction belts machine lifting gear left view of traction belts machine above and below a kind of band of the present invention.
Figure 10 is the upper traction belts machine lifting gear right view of traction belts machine above and below a kind of band of the present invention.
In figure:1. rack, 2. times traction belts machine devices, traction belts machine device on 3., traction belts machine lifting on 4. Device, 5. frame bodies, 6. foot cups, 7. first gear motors, 8. first motor sprockets, 9. first chains, 10. first roller sprocket wheels, 11. lower traction active roll tube, 12. times traction belts, the passive roller of 13. times tractions, 14. first side bars, 15. second deceleration horses Reach, 16. second motor sprockets, 17. second chains, 18. second roller sprocket wheels, active roll tube is drawn on 19., draws skin on 20. Band, draw passive roller, 22. second rolling bearing units, 23. second side bars, 24. first side plates, 25. second side plates, 26. on 21. First leading screw, 27. the 3rd rolling bearing units, 28. the 4th rolling bearing units, 29. first thrust bearings, 30. first bevel gears, 31. One optical axis, 32. first straight line bearing blocks, 33. connecting plates, 34. second leading screws, 35. the 5th rolling bearing units, 36. the 6th are usherd to seat axis Hold, 37. second thrust bearings, 38. second bevel gears, 39. first nuts, 40. second optical axises, 41. second straight line bearing blocks, 42. lifting and driving axis, 43. the 7th rolling bearing units, 44. the 8th rolling bearing units, 45. rotational handles, 46. second nuts, 47. first Rolling bearing units, 48. the 3rd bevel gears, 49. the 4th bevel gears.
Embodiment
As shown in Figures 1 to 10, with upper and lower traction belts machine, including rack 1, lower traction belts machine device 2, upper traction skin Band machine device 3 and upper traction belts machine lifting gear 4, lower 2 lower bolt of traction belts machine device are connected in rack 1, above lead Draw 4 lower bolt of belt feeder lifting gear to be connected on lower traction belts machine device 2, upper 3 both sides of traction belts machine device pass through It is bolted on traction belts machine lifting gear 4, by the lifting of upper traction belts machine lifting gear 4, adjusts lower traction The distance between belt conveyor device 2 and upper traction belts machine device 3, the adjusting of upper and lower distance adapt to the slim width of different-thickness Former material draws good transportation, and rack 1 is into steel skeleton frame body 5 by steel-pipe welding, and bottom has foot cup 6 to carry out height fine adjusting function, Lower traction belts machine device 2 include the first gear motor 7, the first motor sprocket 8, the first chain 9, the first roller sprocket wheel 10, under Traction active roll tube 11, lower traction belts 12, lower traction passive roller 13, the first side bar 14 and the first rolling bearing units 47, first Gear motor 7 is rotated by the first motor sprocket 8, the first chain 9, the lower traction active roll tube 11 of the first roller sprocket wheel 10 driving, 11 rotating frictional force of lower traction active roll tube drives lower traction belts 12 and the lower passive roller 13 of traction to operate, and lower traction is actively Roller 11 is installed on by the first rolling bearing units 47 on the drive end of the first side bar of both sides 14, and the lower passive roller 13 of traction is installed on Play tensioning on the Partner of the first side bar of both sides 14, upper traction belts machine device 3 includes the second gear motor 15, second Motor sprocket 16, the second chain 17, the second roller sprocket wheel 18, upper traction active roll tube 19, upper traction belts 20, upper traction are passive Roller 21, the second rolling bearing units 22 and the second side bar 23, the second gear motor 15 pass through the second motor sprocket 16, the second chain 17th, traction active roll tube 19 rotates in the driving of the second roller sprocket wheel 18, and 19 rotating frictional force of upper traction active roll tube drives Traction belts 20 and the upper passive roller 21 of traction operate, and upper traction active roll tube 19 is installed on both sides by the second rolling bearing units 22 On the drive end of second side bar 23, the upper passive roller 21 of traction is installed on the work that tensioning is played on the Partner of the second side bar of both sides 23 With upper traction belts machine lifting gear 4 includes the first side plate 24 and the second side plate 25 is separately mounted to lower traction belts machine device 2 The side of the first side bar of both sides 14, the first leading screw 26 pass through the 3rd rolling bearing units 27, the 4th rolling bearing units 28 and the first thrust axis Hold 29 to be installed on the first side plate 24, the first bevel gear 30, the middle part of the first leading screw 26 installation second are installed in 26 end of the first leading screw Nut 46, the inner side of the first side plate 24 two groups of primary optic axis 31 of installation and first straight line bearing block 32, the second nut 46 and two the One linear bearing seat 32 is logical installed in the both sides of upper traction belts machine device 3, the same side of the second side bar 23, connecting plate 33 at the same time Cross and the first side plate 24 and the second side plate 25 link together, the second leading screw 34 is usherd to seat axis by the 5th rolling bearing units the 35, the 6th Hold 36 and second thrust bearing 37 be installed on the second side plate 25 on, 34 end of the second leading screw install the second bevel gear 38, second The first nut 39 of the middle part of thick stick 34 installation, the inner side of the second side plate 25 two group of second optical axis 40 of installation and second straight line bearing block 41, the One nut 39 and two second straight line bearing blocks 41 are installed on the both sides of upper traction belts machine device 3 at the same time, the second side bar 23 Opposite side, lifting and driving axis 42 are connected to the first side plate 24 and by the 7th rolling bearing units 43 and the 8th rolling bearing units 44 On two side plates 25, the 3rd bevel gear 48 on 42 Partner of lifting and driving axis coordinates 30 gear pair of the first bevel gear, lifting and driving The 4th bevel gear 49 on 42 drive end of axis coordinates the second bevel gear 38 to form gear pair, and the installation of 42 end of lifting and driving axis rotates Handle 45, rotational handle drive two gear pairs of lifting and driving axis 42 to rotate synchronously, and gear pair, which rotates, drives the first of both sides 26 and second leading screw 34 of leading screw rotates synchronously, and makes the first nut on the second nut 46 and the second leading screw 34 on the first leading screw 26 39 move up and down, and traction belts machine device 3 moves up and down in drive, adjust lower traction belts machine device 2 and upper traction belts machine The distance of device 3, realizes the appropriate pressure to conveying material, makes material conveying effect good, and the present invention is with upper and lower traction belts Machine, it is simple in structure, it is easy to maintenance;Wire body production capacity is improved, transmission line body arrangement is very convenient, its is simple in structure, cost is low, Stable mechanical performance, continuous production operation, significantly improves production efficiency.

Claims (9)

1. one kind is with upper and lower traction belts machine, it is characterised in that:Including rack (1), lower traction belts machine device (2), upper traction Belt conveyor device (3) and upper traction belts machine lifting gear (4), lower traction belts machine device (2) bottom are connected to rack (1) On, upper traction belts machine device (3) both sides are connected on traction belts machine lifting gear (4), upper traction belts machine lifting dress (4) bottom is put to be connected on lower traction belts machine device (2).
2. one kind according to claim 1 is with upper and lower traction belts machine, it is characterised in that:The upper traction belts machine lifting Device (4) adjusts lower the distance between traction belts machine device (2) and upper traction belts machine device (3) by synchronization lifting.
3. one kind according to claim 1 is with upper and lower traction belts machine, it is characterised in that:The rack (1) includes frame body (5) and foot cup (6), the foot cup (6) are installed on frame body (5) bottom.
4. one kind according to claim 1 is with upper and lower traction belts machine, it is characterised in that:The lower traction belts machine device (2) the first gear motor (7), the first motor sprocket (8), the first chain (9), the first roller sprocket wheel (10), lower traction master are included Dynamic roller (11), lower traction belts (12), lower traction passive roller (13), the first side bar (14) and the first rolling bearing units (47), First gear motor (7) passes through the first motor sprocket (8), the first chain (9), the lower traction of the first roller sprocket wheel (10) driving Active roll tube (11) rotates, and the lower rotating frictional force of traction active roll tube (11) drives lower traction belts (12) and lower traction passive Roller (13) operates, and lower traction active roll tube (11) is installed on the master of the first side bar of both sides (14) by the first rolling bearing units (47) On moved end, the lower passive roller (13) of traction is installed on the Partner of the first side bar of both sides (14).
5. one kind according to claim 1 is with upper and lower traction belts machine, it is characterised in that:The upper traction belts machine device (3) the second gear motor (15), the second motor sprocket (16), the second chain (17), the second roller sprocket wheel (18), upper traction are included Active roll tube (19), upper traction belts (20), upper traction passive roller (21), the second rolling bearing units (22) and the second side bar (23), the second gear motor (15) passes through in the second motor sprocket (16), the second chain (17), second roller sprocket wheel (18) driving Active roll tube (19) rotation is drawn, the upper rotating frictional force of traction active roll tube (19) drives upper traction belts (20) and upper traction Passive roller (21) operating, upper traction active roll tube (19) are installed on the second side bar of both sides (23) by the second rolling bearing units (22) Drive end on, the passive roller (21) of upper traction is installed on the Partner of the second side bar of both sides (23).
6. one kind according to claim 1 is with upper and lower traction belts machine, it is characterised in that:The upper traction belts machine lifting Device (4) includes the first side plate (24) and the second side plate (25) is separately mounted to the first side of lower traction belts machine device (2) both sides The side of beam (14), the first leading screw (26) pass through the 3rd rolling bearing units (27), the 4th rolling bearing units (28) and the first thrust bearing (29) it is installed on the first side plate (24), the first bevel gear (30), the first leading screw (26) middle part are installed in the first leading screw (26) end Second nut (46) is installed, two groups of primary optic axis (31) and first straight line bearing block (32) are installed on the inside of the first side plate (24), the Two nuts (46) and two first straight line bearing blocks (32) while the both sides for being installed on upper traction belts machine device (3), the second side The same side of beam (23), connecting plate (33) is by the way that the first side plate (24) and the second side plate (25) are linked together, the second leading screw (34) the second side plate (25) is installed on by the 5th rolling bearing units (35), the 6th rolling bearing units (36) and the second thrust bearing (37) On, the second bevel gear (38) is installed in the second leading screw (34) end, and the first nut (39), the second side are installed in the middle part of the second leading screw (34) Two group of second optical axis (40) of installation and second straight line bearing block (41), the first nut (39) and two second straight lines on the inside of plate (25) Bearing block (41) while the both sides for being installed on upper traction belts machine device (3), the opposite side of the second side bar (23), lifting and driving axis (42) the first side plate (24) and the second side plate are connected to by the 7th rolling bearing units (43) and the 8th rolling bearing units (44) (25) on.
7. one kind according to claim 6 is with upper and lower traction belts machine, it is characterised in that:Lifting and driving axis (42) quilt The 3rd bevel gear (48) on moved end coordinates the first bevel gear (30) gear pair.
8. one kind according to claim 6 is with upper and lower traction belts machine, it is characterised in that:The lifting and driving axis (42) is main The 4th bevel gear (49) on moved end coordinates the second bevel gear (38) to form gear pair.
9. one kind according to claim 7 or 8 is with upper and lower traction belts machine, it is characterised in that:The lifting and driving axis (42) end installation rotational handle (45), rotational handle drive two gear pairs of lifting and driving axis (42) to rotate synchronously, gear Pair rotates the first leading screw (26) for driving both sides and the second leading screw (34) rotates synchronously, and makes the second nut on the first leading screw (26) (46) the first nut (39) and on the second leading screw (34) moves up and down, and traction belts machine device (3) moves up and down in drive, adjusts The lower traction belts machine device (2) of section and the distance of upper traction belts machine device (3).
CN201711179944.XA 2017-11-23 2017-11-23 With upper and lower traction belts machine Pending CN107934402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711179944.XA CN107934402A (en) 2017-11-23 2017-11-23 With upper and lower traction belts machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711179944.XA CN107934402A (en) 2017-11-23 2017-11-23 With upper and lower traction belts machine

Publications (1)

Publication Number Publication Date
CN107934402A true CN107934402A (en) 2018-04-20

Family

ID=61930890

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711179944.XA Pending CN107934402A (en) 2017-11-23 2017-11-23 With upper and lower traction belts machine

Country Status (1)

Country Link
CN (1) CN107934402A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111099418A (en) * 2019-12-06 2020-05-05 阜阳市彩祺无纺布环保袋有限公司 Material pulling device of non-woven bag processing equipment
CN111137474A (en) * 2019-12-30 2020-05-12 南通佳宝机械有限公司 Automatic compression bag-making packaging machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111099418A (en) * 2019-12-06 2020-05-05 阜阳市彩祺无纺布环保袋有限公司 Material pulling device of non-woven bag processing equipment
CN111137474A (en) * 2019-12-30 2020-05-12 南通佳宝机械有限公司 Automatic compression bag-making packaging machine

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Application publication date: 20180420