CN105114569A - Variable-diameter v-belt pulley mechanism of spreading machine - Google Patents
Variable-diameter v-belt pulley mechanism of spreading machine Download PDFInfo
- Publication number
- CN105114569A CN105114569A CN201510584914.1A CN201510584914A CN105114569A CN 105114569 A CN105114569 A CN 105114569A CN 201510584914 A CN201510584914 A CN 201510584914A CN 105114569 A CN105114569 A CN 105114569A
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- Prior art keywords
- belt pulley
- irremovable
- belt
- bearing
- movable
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/14—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using only one pulley built-up out of adjustable conical parts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
- D06C3/06—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by rotary disc, roller, or like apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/24—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using chains or toothed belts, belts in the form of links; Chains or belts specially adapted to such gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
- F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
- F16H61/66272—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members characterised by means for controlling the torque transmitting capability of the gearing
- F16H2061/66277—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members characterised by means for controlling the torque transmitting capability of the gearing by optimising the clamping force exerted on the endless flexible member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
The invention discloses a variable-diameter v-belt pulley mechanism of a spreading machine. A fixed belt plate (22) is fixed to a motor output shaft (34) through a tensioning sleeve (32). A fixed belt plate bearing (23) and a threaded shaft (30) are arranged in an inner hole of the fixed belt plate (22) in a sleeved mode. The threaded shaft (30) is sleeved with a threaded pipe (29). The threaded pipe (29) is sleeved with a movable belt plate bearing (24). A movable belt plate (7) is arranged on the cylindrical portion of the fixed belt plate (22) in a sleeving mode and can move on the movable belt plate bearing (24). The right end of the threaded shaft (30) is connected with a driven chain wheel (10). A variable-diameter v-belt pulley is formed by the belt plate portion of the fixed belt plate (22) and the belt plate portion of the movable belt plate (7). The transmission ratio of a cloth conveying transmission system of the spreading machine can be adjusted, the rotating speed of a cloth conveying roller (20) is changed, the tension requirements of different kinds of cloth can be met, and cloth loss is reduced.
Description
Technical field
The present invention relates to an annex of tentering machine, i.e. tentering machine diameter changeable pulley mechanism, especially reducing v belt wheel mechanism.
Background technique
Have many belt pulleys in work feed drum drive system, the diameter of belt pulley is constant, so velocity ratio is constant, but during the operation of tentering machine granny rag, due to cloth material, thickness difference, the tension force of granny rag differs.And granny rag tension force depends on the rotating speed of work feed cylinder, the fast tension force of rotating speed is large, and the slow tension force of rotating speed is little.If tension force is improper, cloth will produce wrinkle, out-of-flatness, will increase cloth loss, cause waste during cutting, increases cost.
Summary of the invention: the object of this invention is to provide a kind of tentering machine reducing v belt wheel mechanism, be connected in the transmission system of work feed cylinder, the velocity ratio of tentering machine work feed transmission system can be adjusted, change the rotating speed of work feed cylinder, thus change granny rag tension force, to adapt to the tensile requirements of different cloth, reduce wrinkle and the out-of-flatness of even avoiding cloth, reduce cloth loss.
For this reason, the technical solution that the present invention proposes is that a kind of tentering machine reducing v belt wheel mechanism, mainly includes Vee pulley V,
A speed governing axle runs through two pieces of lower main frame machine walls about tentering machine and all lift one's head in two ends, and speed governing axle left end connects a speed-regulating hand wheel, and speed governing axle right-hand member connects drive sprocket, and drive sprocket and one are had chain by cover on movable sprocket;
Motor is fixed on the outer side wall of the lower main frame machine wall on the right of tentering machine by one group of set screw, the motor output shaft passing motor right-hand member is set in the central through bore of an expansion sleeve, on expansion sleeve, cover has irremovable belt pulley, irremovable belt pulley is fixed on motor output shaft by expansion sleeve, irremovable belt pulley is by being made up of the belt pulley part of central through bore and cylinder portion of being connected, its belt pulley segment outer radius is greater than cylinder portion external diameter, and central through bore is divided into left and right two-part by the flange collar having individual internal diameter to reduce in cylinder portion endoporus, left side central through bore inner sleeve has above-mentioned expansion sleeve and motor output shaft, irremovable belt pulley bearing is coated with in the central through bore of the right, spiral shell axle is coated with in irremovable belt pulley bearing, spiral shell axle is root 3 stops multidiameter shaft, left section of largest diameter is that bearing interstage sleeve has irremovable belt pulley bearing, right section of diameter is minimum, and to be that axle journal section cover has above-mentioned by movable sprocket, axle journal section end face there is center screw, intermediate section diameter is that thread section rotation set has screwed pipe between two parties, and one piece of circular cover is pressed in by movable sprocket, and a cover screw will be fixed in the axle journal section of spiral shell axle through cover plate central through hole rotation set in spiral shell axle right-hand member center screw by movable sprocket, screwed pipe external cylindrical surface has the convex shoulder of a circle enlarged outside diameter, the external cylindrical surface on the convex shoulder left side is also one section of bearing guard, and on it, cover has movable belt dish bearing, and the left side of screwed pipe and movable belt dish bearing is all positioned at the right of irremovable belt pulley right side, movable belt dish is also by being made up of the belt pulley part of central through bore and cylinder portion of being connected, its belt pulley segment outer radius is greater than cylinder portion external diameter and identical with irremovable belt pulley belt pulley segment outer radius, movable belt dish is enclosed within irremovable belt pulley cylinder portion and movable belt dish bearing and can moves axially, and more keeps right than irremovable belt pulley right side and movable belt dish bearing right side in movable belt dish right side, a groove is had in endoporus on the right of irremovable belt pulley, this groove is embedded with an irremovable belt pulley bearing outer ring snap ring, is positioned at by irremovable belt pulley bearing between irremovable belt pulley bearing outer ring snap ring and irremovable belt pulley endoporus flange collar, two grooves are had in movable belt dish endoporus on the right of irremovable belt pulley right side, movable belt dish bearing outer ring snap ring is embedded with respectively in it, be stuck in movable belt dish bearing outer ring both sides, screwed pipe external cylindrical surface left side bearing guard there is a groove, this groove is embedded with a movable belt dish bearing inner race snap ring, movable belt dish bearing inner race is positioned between movable belt dish bearing inner race snap ring and screwed pipe external cylindrical surface convex shoulder left side, movable belt dish bearing is located, irremovable belt pulley bearing outer ring snap ring, movable belt dish bearing outer ring snap ring, movable belt dish bearing inner race snap ring is all C shape elastic rings of opening, space is had between the belt pulley part of irremovable belt pulley and the belt pulley part of movable belt dish, their opposed facing surfaces are all conical surfaces of evagination, and irremovable belt pulley belt pulley part and movable belt dish belt pulley part together constitute described Vee pulley V.
Therefore, as long as rotation speed-regulating hand wheel, passive sprocket rotation, screwed pipe just moves axially on spiral shell axle, together with movable belt dish bearing, movable belt dish moves axially, thus the space between movable belt dish and irremovable belt pulley is changed, triangle drivign belt is moved radially in the space of irremovable belt pulley and movable belt dish, be equivalent to the diameter changing the Vee pulley V be jointly made up of irremovable belt pulley and movable belt dish, thus the velocity ratio changed in tentering machine work feed transmission system, change the rotating speed of work feed cylinder, change granny rag tension force, adapt to the tensile requirements of different cloth, reduce or avoid wrinkle and the out-of-flatness of cloth, reduce cloth loss.
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Accompanying drawing explanation
Fig. 1 is mounted in the structural representation of the present invention on tentering machine;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is by irremovable belt pulley 22 in Fig. 1, the reducing V-belt pulley structure sectional view that movable belt dish 7 is formed jointly.
Embodiment
Embodiment as shown in Figure 1 to Figure 3.A speed governing axle 3 runs through two pieces of lower main frame machine walls 2 about tentering machine, and all lift one's head in two ends, left and right, also can be as shown in Figure 1, respectively on lower main frame machine wall 2 outer side wall of two pieces, left and right fix the bearing support having bearing in, speed governing axle 3 runs through two pieces of lower main frame machine wall 2 through holes in left and right, be set in the bearing of two bearing supports in left and right and left and right all to lift one's head, speed-regulating hand wheel 1 is coated with at the left end of speed governing axle 3, speed-regulating hand wheel 1 is made up of the disk of size two diameters be connected, minor diameter disk there is radial screw, in this radial screw, speed-regulating hand wheel 1 is fixed on speed governing axle 3 by stopping head screw rotation set, also with square key, speed-regulating hand wheel 1 and speed governing axle 3 can be connected and fixed.Speed governing axle 3 right-hand member has the axle journal of individual reduced diameter, axle journal end face has individual center screw, drive sprocket 8 is enclosed within speed governing axle 3 right-hand member axle journal, one piece of circular pressing plate has individual central through bore and is pressed on drive sprocket 8, and a screw passes pressing plate central through bore rotation set in the center screw of speed governing axle 3 right-hand member axle journal, is fixed on by drive sprocket 8 on speed governing axle 3 right-hand member axle journal, also can connect with square key, or as speed-regulating hand wheel 1, bore radial screw at the tooth root of drive sprocket 8, fix by stopping head screw.
A motor 33 has an oval-shaped base, there is a through hole at oval-shaped base two ends, by two set screws, motor 33 is fixed on the outer side wall of the lower main frame machine wall 2 on the right of tentering machine, motor output shaft 34 passes motor 33 right side, on the motor output shaft 34 exposed, cover has expansion sleeve 32, and on expansion sleeve 32, cover has irremovable belt pulley 22.Expansion sleeve 32 is commercially available standard piece, model is Z12A15 × 27, primarily of inner sleeve and the overcoat composition of two conical surfaces of working in coordination, the both ends of the surface of overcoat are all rotary with end caps, each end caps has screw and is rotary with screw, rotating screw makes inner-outer sleeve have axial relative movement, and inner sleeve internal diameter is reduced, overcoat enlarged outside diameter, is fixed on irremovable belt pulley 22 on motor output shaft 34.Irremovable belt pulley 22 is by being made up of the belt pulley part of central through bore and cylinder portion of being connected, its belt pulley segment outer radius is greater than cylinder portion external diameter, and central through bore is divided into left and right two-part by the flange collar having individual internal diameter to reduce in cylinder portion endoporus, left side central through bore inner sleeve has motor output shaft 34 and expansion sleeve 32, the right central through bore inner sleeve has irremovable belt pulley bearing 23, and in irremovable belt pulley bearing 23 endoporus, cover has spiral shell axle 30.Spiral shell axle 30 is root 3 stops multidiameter shafts, left section of largest diameter is bearing guard, bearing guard and irremovable belt pulley bearing 23 inner hole, right section is the minimum axle journal section of diameter, axle journal section end face there is center screw, stage casing diameter is thread section between two parties, on thread section, rotation set has a screwed pipe 29, screwed pipe 29 external cylindrical surface there is the convex shoulder of a circle enlarged outside diameter, the external cylindrical surface on the screwed pipe 29 convex shoulder left side is also one section of bearing guard, it is combined with movable belt dish bearing 24, screwed pipe 29 left side and movable belt dish bearing 24 left side are all positioned on the right of irremovable belt pulley 22 right side.Movable belt dish 7 is also by being made up of the belt pulley part of central through bore and cylinder portion of being connected, its belt pulley segment outer radius is greater than cylinder portion external diameter, and it is identical with irremovable belt pulley 22 belt pulley segment outer radius, movable belt dish 7 is enclosed within the cylinder portion of irremovable belt pulley 22 and movable belt dish bearing 24 outer ring and can moves axially, so, irremovable belt pulley 22 cylinder portion external diameter is identical with movable belt dish bearing 24 external diameter, and more keep right than the right side of irremovable belt pulley 22 and movable belt dish bearing 24 right side in the right side of movable belt dish 7, and the convex shoulder position be positioned on screwed pipe 29 external cylindrical surface, movable belt dish bearing 24 outer ring and movable belt dish 7 inner hole, inner ring then coordinates with the bearing guard on the screwed pipe 29 convex shoulder left side.In spiral shell axle 30 right-hand member axle journal section, cover has by movable sprocket 10, and one piece of circular cover 27 is pressed in by movable sprocket 10, and cover screw 26 is spun in the center screw of spiral shell axle 30 axle journal section will be fixed on spiral shell axle 30 by movable sprocket 10 through the central through bore of cover plate 27.A groove is had in endoporus on the right of irremovable belt pulley 22, this groove is embedded with an irremovable belt pulley bearing outer ring snap ring 31, irremovable belt pulley bearing 23 outer ring is clipped between irremovable belt pulley bearing outer ring snap ring 31 and irremovable belt pulley 22 endoporus flange collar right side, irremovable belt pulley bearing 23 is located.Two grooves are had in movable belt dish 7 endoporus on the right of irremovable belt pulley 22 right side, movable belt dish bearing outer ring snap ring 25 is embedded with respectively in these two grooves, also a groove is had again on the bearing guard of the screwed pipe 29 external cylindrical surface left side, this groove is embedded with a movable belt dish bearing inner race snap ring 28, the outer ring of movable belt dish bearing 24 is clipped in the middle by two the movable belt dish bearing outer ring snap rings 25 in left and right, the inner ring of movable belt dish bearing 24 is sandwiched between movable belt dish bearing inner race snap ring 28 and screwed pipe 29 external cylindrical surface convex shoulder left side, movable belt dish bearing 24 is located.Above-mentioned irremovable belt pulley bearing outer ring snap ring 31, movable belt dish bearing outer ring snap ring 25, movable belt dish bearing inner race snap ring 28 is all C shape elastic rings of opening.Space is had between the belt pulley part of irremovable belt pulley 22 and the belt pulley part of movable belt dish 7, their opposed facing surfaces are all conical surfaces of evagination, and the belt pulley part of irremovable belt pulley 22 and movable belt dish 7 together constitutes the one-level active triangle belt wheel in tentering machine work feed cylinder 20 transmission system.
As shown in Figure 1, tentering machine of the present invention is installed and has manual governing transmission system and work feed drum drive system.Wherein manual governing transmission system is by speed-regulating hand wheel 1, speed governing axle 3, drive sprocket 8, by movable sprocket 10, be enclosed within drive sprocket 8 and formed by the chain 9 on movable sprocket 10.
Work feed drum drive system has level Four transmission.Wherein primary transmission is, the one-level active triangle belt wheel that the belt pulley part of irremovable belt pulley 22 and movable belt dish 7 is formed jointly, the passive Vee pulley V 4 of one-level and the primary transmission v belt 19 be enclosed within these two Vee pulley Vs.A nervous wheel apparatus is separately had to take turns 21 by anxiety, rocking arm 21b, extension spring 21a forms, rocking arm 21b two ends are respectively by a through hole, rocking arm 21b is hinged on the outer side wall of the lower main frame machine wall 2 on the right by one of them through hole by hinge, hinged anxiety wheel 2 on another through hole is also pressed on primary transmission v belt 19, rocking arm 21b between two through holes is fixed with a short cylindrical, can weld or be threaded, also can stationary fit connect, lower main frame machine wall 2 outer side wall on the right below primary transmission v belt 19 fixes another short cylindrical with same method, the two ends difference hanging sleeve of extension spring 21a is on these two short cylindricals, anxiety wheel 21 is pressed on primary transmission v belt 19 by the elastic force of extension spring 21a, the elasticity of automatic adjustment primary transmission v belt 19.By secondary, initiatively toothed belt wheel 5, the passive toothed belt wheel 12 of secondary, the secondary transmission belt 13 be enclosed within these two belt pulleys form secondary transmission, wherein initiatively toothed belt wheel 5 and the passive toothed belt wheel 4 of one-level are all fixed in secondary drive shaft 6, on lower main frame machine wall 2 outer side wall on the right of secondary drive shaft 6 is connected to by bearing secondary.
Three grades of transmissions are by three grades of active toothed belt wheels, double toothed belt wheel 16 and the three grades of drivign belt 11b be enclosed within these two belt pulleys form, wherein three grades of active toothed belt wheels are fixed on three grades of transmission shafts 11, three grades of transmission shafts 11 are also connected to by bearing on lower main frame machine wall 2 outer side wall on the right, three grades of transmission shaft 11 right-hand members are fixed the three grade transmission shafts 11 of the passive toothed belt wheel of secondary 12, three grades initiatively between toothed belt wheel and the passive toothed belt wheel 12 of secondary also overlap an oscillating arm bracket bearing 11a.
Level Four transmission is made up of double toothed belt wheel 16, the passive toothed belt wheel 18 of level Four and the level Four Tooth Profile belt 17 be enclosed within these two belt pulleys, wherein the passive toothed belt wheel of level Four 18 is fixed on the right-hand member of tentering machine work feed cylinder 20 roller bearing and is positioned at the right of lower main frame machine wall 2 on the right, double toothed belt wheel 16 is made up of the double gear teeth be connected, on the gear teeth wherein, cover three grades of drivign belt 11b, the gear teeth on the left side overlap level Four Tooth Profile belt 17.Double toothed belt wheel 16 is fixed on floating axle 15, floating axle 15 right-hand member cover has a floating axle bearing, one block length bar shaped swing arm about 14 two ends are by through hole, its upper end through hole is enclosed within the oscillating arm bracket bearing 11a on three grades of transmission shafts 11 and can rotates, its lower end through hole is enclosed within the floating axle bearing on floating axle 15, is connected in swing arm 14 by floating axle 15.When the ply gage in tentering machine cutting increases, the lifting of tentering machine work feed cylinder 20 automatic synchronization, floating axle 15 also rises thereupon.
The present invention is work like this: motor 33 rotates, the one-level active triangle belt wheel be jointly made up of irremovable belt pulley 22 and movable belt dish 7 belt pulley part rotates, through above-mentioned work feed drum drive drive system, work feed cylinder 20 rotates, and tentering machine carries out granny rag operation.Rotate speed-regulating hand wheel 1, through the transmission of above-mentioned manual governing transmission system, spiral shell axle 30 rotates, because irremovable belt pulley 22 is fixed on motor output shaft 34, so screwed pipe 29 is moved to the left together with movable belt dish bearing 24, movable belt dish 7, space between irremovable belt pulley 22 and movable belt dish 7 belt pulley part diminishes, primary transmission v belt 19 outwards movement, be equivalent to one-level active triangle belt wheel diameter and become large, work feed drum drive drive system is than becoming large, and work feed cylinder 20 rotating speed raises.Speed-regulating hand wheel 1 is to counter-rotation, then movable belt dish 7 moves right, and primary transmission v belt 19 moves inward, and is equivalent to one-level active triangle belt wheel diameter and diminishes, and work feed cylinder legacy system velocity ratio diminishes, and work feed cylinder 20 rotating speed reduces.
Claims (1)
1. a tentering machine reducing v belt wheel mechanism, mainly includes Vee pulley V, it is characterized in that:
A speed governing axle (3) runs through two pieces of lower main frame machine walls (2) about tentering machine and all lift one's head in two ends, speed governing axle (3) left end connects a speed-regulating hand wheel (1), speed governing axle (3) right-hand member connects drive sprocket (8), and drive sprocket (8) and one are gone up cover by movable sprocket (10) chain (9);
Motor (33) is fixed on the outer side wall of the lower main frame machine wall (2) on the right of tentering machine by one group of set screw, the motor output shaft (34) passing motor (33) right-hand member is set in the central through bore of an expansion sleeve (32), the upper cover of expansion sleeve (32) has irremovable belt pulley (22), irremovable belt pulley (22) is fixed on motor output shaft (34) by expansion sleeve (32), irremovable belt pulley (22) is by being made up of the belt pulley part of central through bore and cylinder portion of being connected, its belt pulley segment outer radius is greater than cylinder portion external diameter, and central through bore is divided into left and right two-part by the flange collar having individual internal diameter to reduce in cylinder portion endoporus, left side central through bore inner sleeve has above-mentioned expansion sleeve (32) and motor output shaft (34), irremovable belt pulley bearing (23) is coated with in the central through bore of the right, spiral shell axle (30) is coated with in irremovable belt pulley bearing (23), spiral shell axle (30) is root 3 stops multidiameter shaft, left section of largest diameter is that bearing interstage sleeve has irremovable belt pulley bearing (23), right section of diameter is minimum, and to be that axle journal section cover has above-mentioned by movable sprocket (10), axle journal section end face there is center screw, intermediate section diameter is that thread section rotation set has screwed pipe (29) between two parties, one piece of circular cover (27) is pressed in by movable sprocket (10), a cover screw (26) will be fixed in the axle journal section of spiral shell axle (30) by movable sprocket (10) through cover plate (27) central through bore rotation set in spiral shell axle (30) right-hand member center screw, screwed pipe (29) external cylindrical surface there is the convex shoulder of a circle enlarged outside diameter, the external cylindrical surface on the convex shoulder left side is also one section of bearing guard, on it, cover has movable belt dish bearing (24), and the left side of screwed pipe (29) and movable belt dish bearing (24) is all positioned at the right of irremovable belt pulley (22) right side, movable belt dish (7) is also by being made up of the belt pulley part of central through bore and cylinder portion of being connected, its belt pulley segment outer radius is greater than cylinder portion external diameter and identical with irremovable belt pulley (22) belt pulley segment outer radius, movable belt dish (7) is enclosed within irremovable belt pulley (22) cylinder portion and movable belt dish bearing (24) and can moves axially, and more keeps right than irremovable belt pulley (22) right side and movable belt dish bearing (24) right side in movable belt dish (7) right side, a groove is had in the endoporus of irremovable belt pulley (22) the right, this groove is embedded with an irremovable belt pulley bearing outer ring snap ring (31), is positioned between irremovable belt pulley bearing outer ring snap ring (31) and irremovable belt pulley (22) endoporus flange collar by irremovable belt pulley bearing (23), two grooves are had in movable belt dish (7) endoporus on the right of irremovable belt pulley (22) right side, movable belt dish bearing outer ring snap ring (25) is embedded with respectively in it, be stuck in movable belt dish bearing (24) both sides, outer ring, screwed pipe (29) external cylindrical surface left side bearing guard there is a groove, this groove is embedded with movable belt dish bearing inner race snap ring (28), movable belt dish bearing (24) inner ring is stuck between movable belt dish bearing inner race snap ring (28) and screwed pipe (29) external cylindrical surface convex shoulder left side, movable belt dish bearing (24) is located, irremovable belt pulley bearing outer ring snap ring (31), movable belt dish bearing outer ring snap ring (25), movable belt dish bearing inner race snap ring (28) is all C shape elastic rings of opening, space is had between the belt pulley part of irremovable belt pulley (22) and movable belt dish (7) belt pulley part, their opposed facing surfaces are all conical surfaces of evagination, and irremovable belt pulley (22) belt pulley part and movable belt dish (7) belt pulley part together constitute described Vee pulley V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510584914.1A CN105114569A (en) | 2015-09-15 | 2015-09-15 | Variable-diameter v-belt pulley mechanism of spreading machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510584914.1A CN105114569A (en) | 2015-09-15 | 2015-09-15 | Variable-diameter v-belt pulley mechanism of spreading machine |
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| CN105114569A true CN105114569A (en) | 2015-12-02 |
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| CN201510584914.1A Pending CN105114569A (en) | 2015-09-15 | 2015-09-15 | Variable-diameter v-belt pulley mechanism of spreading machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692292A (en) * | 2016-04-05 | 2016-06-22 | 广东元科技实业有限公司 | Transmission device capable of driving cloth feeding rollers of spreading machine in servo automatic-following mode |
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| CN86210049U (en) * | 1986-12-09 | 1987-12-05 | 王自治 | Diameter adjustable v belt wheel |
| CN2073510U (en) * | 1989-07-18 | 1991-03-20 | 黄桥安 | Stepless speed change device using v-belts |
| CN1702350A (en) * | 2004-05-24 | 2005-11-30 | 袁媛 | V-belt stepless speed change device |
| CN101649534A (en) * | 2008-08-15 | 2010-02-17 | 上海和鹰机电科技有限公司 | Walking wheel driving mechanism used for cloth-stentering machine |
| CN104278468A (en) * | 2014-10-14 | 2015-01-14 | 速飞得(浙江)自动化科技有限公司 | Tubular fabric device of spreading machine |
| CN205013617U (en) * | 2015-09-15 | 2016-02-03 | 速飞得(浙江)自动化科技有限公司 | But granny rag machine reducing V -belt takes turns mechanism |
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| CN105692292A (en) * | 2016-04-05 | 2016-06-22 | 广东元科技实业有限公司 | Transmission device capable of driving cloth feeding rollers of spreading machine in servo automatic-following mode |
| CN105692292B (en) * | 2016-04-05 | 2018-08-24 | 广东元一科技实业有限公司 | Tentering machine servo follows the transmission device of driving work feed idler wheel automatically |
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