CN103193105B - The bobbin chuck shaft device of pivot shaft unit construction and filament winder - Google Patents
The bobbin chuck shaft device of pivot shaft unit construction and filament winder Download PDFInfo
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- CN103193105B CN103193105B CN201310144398.1A CN201310144398A CN103193105B CN 103193105 B CN103193105 B CN 103193105B CN 201310144398 A CN201310144398 A CN 201310144398A CN 103193105 B CN103193105 B CN 103193105B
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Abstract
The invention discloses the bobbin chuck shaft device of a kind of pivot shaft unit construction and filament winder.Pivot shaft unit construction comprises pivot shaft main body, and pivot shaft main body is axially through hollow shaft; The sidewall in axle drive shaft cantilever chamber is provided with free air diffuser and outlet passageway; Free air diffuser is away from the rear end of described hollow shaft; The sidewall of hollow shaft is provided with transmission path; Axle drive shaft support chamber extends along described axle drive shaft cantilever chamber to described free air diffuser.The bobbin chuck shaft device of filament winder is equipped with above-mentioned pivot shaft assembly.Axle drive shaft support chamber can extend along axle drive shaft cantilever chamber to free air diffuser by the present invention, the extended length of axle drive shaft support chamber, can be connected by extension supporting in axle drive shaft support chamber with drive shaft turns.Like this, greatly can improve the rigidity of axle drive shaft, increasing the length of axle drive shaft, after strengthening the length-diameter ratio of axle drive shaft, axle drive shaft still keeps enough rigidity, can meet the technological requirement of large package, multiple head spinning, high speed spinning.
Description
Technical field
The present invention relates to chemical fibre equipment manufacturing technology field, be specifically related to the bobbin chuck shaft device of a kind of pivot shaft unit construction and filament winder.
Background technology
The bobbin chuck shaft device of filament winder is parts more crucial in continuous yarn spinning field.The bobbin chuck shaft device of prior art comprises pivot shaft, axle drive shaft, long cover, tensioner assembly and paper bobbin.Wherein, as shown in Figure 1, described pivot shaft 11 is axially through hollow shaft to pivot shaft; Axle drive shaft support chamber 12 and axle drive shaft cantilever chamber 13 is followed successively by forward vertically in the rear end of described hollow shaft; The sidewall in described axle drive shaft cantilever chamber is provided with the free air diffuser 14 of at least one this sidewall through.The front end of described axle drive shaft is passed described pivot shaft 11 and is fixedly connected with described long cover; The lateral wall of described long cover is provided with tensioner assembly, and described tensioner assembly is set with bobbin.The bobbin chuck shaft device of the filament winder of prior art, due to the close together between free air diffuser 14 and the rear end of pivot shaft 11, is positioned at outside long cover, like this, can be directly communicated with high-pressure air source.So, the length of axle drive shaft support chamber 12 is subject to great restriction, axle drive shaft support chamber 12 cannot extend forward, again because axle drive shaft is connected with motor by shaft coupling in axle drive shaft support chamber 12, therefore, axle drive shaft cannot be connected by multiple support rotating in axle drive shaft support chamber 12, and the rearward end that can only be supported on axle drive shaft by is rotationally connected, and described support is generally bearing.The bobbin chuck shaft device of such filament winder is when the length-diameter ratio of axle drive shaft is less, the rigidity of axle drive shaft can meet the technological requirement of spinning, but, in order to the demand of large package, multiple head spinning, need the length increasing axle drive shaft, if when axle drive shaft Support Position is constant (still in the rearward end of axle drive shaft), increase the length of axle drive shaft, the length-diameter ratio strengthening axle drive shaft can cause its reduced stiffness, cannot meet the technological requirement of high speed spinning.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of pivot shaft unit construction, use this pivot shaft unit construction, increase the length of axle drive shaft, after strengthening the length-diameter ratio of axle drive shaft, axle drive shaft still keeps enough rigidity, can meet the technological requirement of large package, multiple head spinning, high speed spinning.
In order to solve the problems of the technologies described above, pivot shaft unit construction of the present invention, comprises pivot shaft main body, and described pivot shaft main body is axially through hollow shaft; Axle drive shaft support chamber and axle drive shaft cantilever chamber is followed successively by forward vertically in the rear end of described hollow shaft; The sidewall in described axle drive shaft cantilever chamber is provided with the free air diffuser of at least one this sidewall through; Described free air diffuser is away from the rear end of described hollow shaft; The sidewall of described hollow shaft is provided with transmission path; Described free air diffuser is communicated with high-pressure air source by described transmission path; Described axle drive shaft support chamber extends along described axle drive shaft cantilever chamber to described free air diffuser.
The technical program is provided with transmission path due to the sidewall that have employed hollow shaft, the technological means that free air diffuser is communicated with high-pressure air source by transmission path, so, free air diffuser away from the rear end of hollow shaft, also can be communicated with high-pressure air source by transmission path even if free air diffuser is inserted in long cover.Therefore, axle drive shaft support chamber can be extended to free air diffuser along axle drive shaft cantilever chamber, the extended length of axle drive shaft support chamber, can be connected with drive shaft turns by extension supporting (bearing) in axle drive shaft support chamber.Like this, greatly can improve the rigidity of axle drive shaft, increasing the length of axle drive shaft, after strengthening the length-diameter ratio of axle drive shaft, axle drive shaft still keeps enough rigidity, can meet the technological requirement of large package, multiple head spinning, high speed spinning.
Described free air diffuser has one, and described transmission path is parallel to the axis of described hollow shaft, and the outlet of described transmission path is communicated with the entrance of described free air diffuser; The entrance of described transmission path extends to the rear end of described hollow shaft; Or, described free air diffuser has multiple, and be positioned at the same cross-sectional plane of described hollow shaft, described transmission path is divided into two parts, a part is the arc transmission path or the annular delivery passage that are communicated with described free air diffuser entrance along the circumference of described hollow shaft, another part is that at least one is parallel to the axial transmission path of described hollow shaft axis, the outlet of described axial transmission path is communicated with described arc transmission path or described annular delivery passage, and the entrance of described axial transmission path extends to the rear end of described hollow shaft.
The technical program has one owing to have employed free air diffuser, and transmission path is parallel to the axis of hollow shaft, and the outlet of transmission path is communicated with the entrance of free air diffuser; The technological means that the entrance of transmission path extends to the rear end of described hollow shaft, so, the length of transmission path can be made the shortest, reduce the resistance of high pressure air flowing, and structure is simply easy to manufacture.Have multiple when have employed free air diffuser, and be positioned at the same cross-sectional plane of hollow shaft, transmission path is divided into two parts, a part is the arc transmission path or the annular delivery passage that are communicated with free air diffuser entrance along the circumference of hollow shaft, another part is that at least one is parallel to the axial transmission path of hollow shaft axis, the outlet of this axial transmission path is communicated with arc transmission path or annular delivery passage, the technological means that the entrance of axial transmission path extends to the rear end of hollow shaft, although its complex structure some, but the intake velocity of high pressure air can be improved, can also be symmetrical in the same cross-sectional plane of hollow shaft, distribute free air diffuser equably, symmetrical, distribute axial transmission path equably, improve the workmanship of high pressure air.
Described transmission path arranges groove at described hollow shaft lateral wall, the lateral wall being provided with groove is set with and is fixed with sealing shroud to be formed.
The technical program arranges groove owing to have employed at hollow shaft lateral wall, the lateral wall being provided with groove is set with and is fixed with the technological means that sealing shroud forms transmission path, so, greatly reduce manufacture difficulty, greatly reduce manufacturing cost.
The lateral wall of described hollow shaft rearward end has one week radially outward extending flange; Described groove extends to described flange, and annular end face forms the recess of through described flange outer sides wall before described flange; The rear annular end face of described sealing shroud is corresponding to the front annular end face of described flange, and fits together; The rear annular end face of described sealing shroud and described recess form the entrance of described transmission path; The entrance of described transmission path along described hollow shaft radially; The lateral wall suit of described flange is fixed with flange; The edge of the front end face of described flange extends to form seal ring forward vertically; Sealing sliding sleeve is provided with between described seal ring and described sealing shroud; The madial wall of described sealing sliding sleeve and the lateral wall of described sealing shroud seal sliding block joint; The lateral wall of described sealing sliding sleeve and the madial wall of described seal ring seal sliding block joint; The entrance of the corresponding described transmission path of described flange is provided with air supply channel; The outlet of described air supply channel is positioned at the inner side of described flange front end face, and the centre hole of close flange, and just to the aft end face of described sealing sliding sleeve; Be positioned at front end face between the outlet of described air supply channel and the centre hole of flange and be provided with gap; The aft end face of described gap and described sealing sliding sleeve form described air supply channel another export; Another outlet of described air supply channel along the radial inward of described hollow shaft, and is connected with the entrance of described transmission path.
The technical program is due to the lateral wall that have employed hollow shaft rearward end have one week radially outward extending flange, the technological means that the rear annular end face of sealing shroud is corresponding to the front annular end face of flange, so, after before the rear annular end face of sealing shroud and flange, annular end face fits together, the lateral surface of sealing shroud and the lateral surface of flange are positioned at the same face of cylinder.Flange is extended to again owing to have employed groove, and annular end face forms through flange outer sides wall before flange, the rear annular end face of sealing shroud and recess form the technological means of the entrance of transmission path, so, the entrance of transmission path can be made along hollow shaft radially.Lateral wall suit again owing to have employed flange is fixed with flange; The edge of the front end face of flange extends to form seal ring forward vertically, is provided with sealing sliding sleeve between seal ring and sealing shroud; The sealing madial wall of sliding sleeve and the lateral wall of sealing shroud seal sliding block joint; The sealing lateral wall of sliding sleeve and the madial wall of seal ring seal the technological means of sliding block joint, so, when sealing sliding sleeve and reciprocatingly sliding, the sealing madial wall of sliding sleeve and the lateral wall of sealing shroud remain sealing state, and the sealing lateral wall of sliding sleeve and the madial wall of seal ring remain sealing state; Entrance also owing to have employed the corresponding transmission path of flange is provided with air supply channel; The outlet of air supply channel is positioned at the inner side of flange front end face, and the centre hole of close flange, and just to the technological means of the aft end face of sealing sliding sleeve, so high pressure air can promote sealing sliding sleeve forward slip.More be positioned at front end face between the outlet of air supply channel and the centre hole of flange be provided with gap owing to have employed; Gap forms another technological means exported of air supply channel with the aft end face of sealing sliding sleeve, so another of air supply channel exports the radial inward along hollow shaft, and can be connected with the entrance of transmission path.
Described axle drive shaft support chamber and axle drive shaft cantilever chamber are coaxial cylindrical cavity; The internal diameter of described axle drive shaft support chamber is more than or equal to the internal diameter in described axle drive shaft cantilever chamber.
The technical program is owing to have employed axle drive shaft support chamber and axle drive shaft cantilever chamber is coaxial cylindrical cavity; The internal diameter of axle drive shaft support chamber is more than or equal to the technological means of the internal diameter in axle drive shaft cantilever chamber, so, reasonable in design, handling ease.
Described free air diffuser is cylindrical; This free air diffuser is perpendicular to the sidewall in described axle drive shaft cantilever chamber, or this free air diffuser is oblique front from outside to inside.
The technical program is cylindrical owing to have employed free air diffuser; This free air diffuser perpendicular to the technological means of the sidewall in described axle drive shaft cantilever chamber, so, the length of free air diffuser can be made the shortest, reduce further the resistance of high pressure air flowing, and easy to manufacture.
The sidewall in described axle drive shaft cantilever chamber is provided with the air pressure stationary conduit of this sidewall through for fixing seal device; Described air pressure stationary conduit is positioned at the rear of described free air diffuser, and is communicated with described transmission path.
The technical program is provided with the air pressure stationary conduit of this sidewall through for fixing seal device due to the sidewall that have employed axle drive shaft cantilever chamber; Air pressure stationary conduit is positioned at the rear of free air diffuser, and the technological means be communicated with transmission path, so, by high pressure air, sealing arrangement is fixed, improves sealing effectiveness.
Be connecting shaft assembly chamber in the front end of described hollow shaft, described connecting shaft assembly chamber and described axle drive shaft cantilever chamber are coaxially and be communicated with; The internal diameter in described connecting shaft assembly chamber is greater than the internal diameter in described axle drive shaft cantilever chamber.
The technical program due to have employed hollow shaft front end in be connecting shaft assembly chamber, connecting shaft assembly chamber and axle drive shaft cantilever chamber are coaxially and be communicated with; The internal diameter in connecting shaft assembly chamber is greater than the technological means of the internal diameter in axle drive shaft cantilever chamber, so, very long axle can be divided into axle drive shaft and connecting shaft assembly two parts, conveniently manufacture processing.
Another technical matters that the present invention will solve is to provide a kind of bobbin chuck shaft device of filament winder, use the bobbin chuck shaft device of this filament winder, increasing the length of axle drive shaft, after strengthening the length-diameter ratio of axle drive shaft, axle drive shaft still keeps enough rigidity, can meet the technological requirement of large package, multiple head spinning, high speed spinning.
In order to solve the problems of the technologies described above, the bobbin chuck shaft device of filament winder of the present invention, comprises pivot shaft assembly and the axle drive shaft penetrating pivot shaft main body in this pivot shaft assembly; Described pivot shaft assembly is pivot shaft assembly as elucidated before; Described axle drive shaft is rotationally connected by least former and later two bracing or strutting arrangements in axle drive shaft support chamber.
The technical program, owing to have employed the technological means that pivot shaft assembly is pivot shaft assembly as elucidated before, so free air diffuser can away from the rear end of hollow shaft, also can be communicated with high-pressure air source by transmission path even if free air diffuser is inserted in long cover.Therefore, axle drive shaft support chamber can be extended along axle drive shaft cantilever chamber to admission port direction, the extended length of axle drive shaft support chamber, can be connected with drive shaft turns by extension supporting (bearing) in axle drive shaft support chamber, axle drive shaft is rotationally connected by least former and later two bracing or strutting arrangements in axle drive shaft support chamber.Like this, greatly can improve the rigidity of axle drive shaft, increasing the length of axle drive shaft, after strengthening the length-diameter ratio of axle drive shaft, axle drive shaft still keeps enough rigidity, can meet the technological requirement of large package, multiple head spinning, high speed spinning.
Former and later two bracing or strutting arrangements described are bearing; The rear end of described axle drive shaft is fixedly connected with motor coaxle by plunging joint; The outlet of described axle drive shaft corresponding air pressure stationary conduit in axle drive shaft cantilever chamber is provided with sealing arrangement; Described sealing arrangement is elastic seal ring; The front end of described axle drive shaft is coaxially fixedly connected with by the rear end of axle sleeve with the connecting shaft assembly being positioned at connecting shaft assembly chamber; Described connecting shaft assembly is rotationally connected by former and later two bearings in connecting shaft assembly chamber; The front end of pivot shaft is stretched out in the front end of described connecting shaft assembly; Described support sleeve is equipped with long cover; The flange that the described long rear end overlapped has extend radially outward for one week; The rear portion of described long cover is for supporting axocoel; There is gap between the inwall of described support axocoel and the outer wall of described pivot shaft, forms gas channel; The sidewall of described support axocoel is provided with multiple air extractor vent; The front portion of described long cover is sealed cavity; The sidewall of described sealed cavity is provided with multiple air extractor vent; The middle part of described long cover is provided with axis hole; The surrounding of described axis hole is provided with axial air extractor vent; The front end of described connecting shaft assembly penetrates in the axis hole at described long cover middle part, and is fixedly connected with described long cover by this axis hole; The rear annular end face of described long cover is relative with the front annular end face of sealing sliding sleeve; Seal ring is provided with between annular end face before the rear annular end face and described sealing sliding sleeve of described long cover; The lateral wall of described long cover is provided with tensioner assembly, and described tensioner assembly is set with bobbin.
The technical program owing to have employed the technological means that former and later two bracing or strutting arrangements are bearing, so the rotation of axle drive shaft is more flexible.Certainly, bracing or strutting arrangement also can adopt sliding support.Again due to the technological means that the rear end that have employed axle drive shaft is fixedly connected with motor coaxle by plunging joint, so, easy disassembly and maintenance.Outlet again owing to have employed axle drive shaft corresponding air pressure stationary conduit in axle drive shaft cantilever chamber is provided with the technological means of sealing arrangement, so sealing arrangement is fixing by high pressure air pressurization.Sealing arrangement is elastic seal ring, now, preferred as one, one ring annular groove can be set in the outlet of the corresponding air pressure stationary conduit of the sidewall of axle drive shaft, correspondingly, arrange a ring annular groove in the outlet of madial wall (i.e. the madial wall of pivot shaft) the corresponding air pressure stationary conduit in axle drive shaft cantilever chamber, elastic seal ring is stuck in this two ring annular groove, plays the effect of reinforcing further.Front end again owing to have employed axle drive shaft is coaxially fixedly connected with by the rear end of axle sleeve with the connecting shaft assembly being positioned at connecting shaft assembly chamber, connecting shaft assembly is rotationally connected by former and later two bearings in connecting shaft assembly chamber, the technological means of the front end of pivot shaft is stretched out in the front end of connecting shaft assembly, so the manufacture of axle drive shaft, processing and installation are more prone to.Also owing to have employed support sleeve, long cover is housed; The rear portion of long cover is for supporting axocoel; The middle part of long cover is provided with axis hole; The front end of connecting shaft assembly penetrates in the axis hole at long cover middle part, and overlaps with long the technological means be fixedly connected with by this axis hole, so axle drive shaft drives long cover to rotate by connecting shaft assembly.There is gap owing to have employed between the inwall (i.e. the inwall of long cover) of support axocoel and the outer wall of pivot shaft again, forms gas channel; The sidewall supporting axocoel is provided with multiple air extractor vent; The surrounding of long cover middle part axis hole is provided with axial air extractor vent; The front portion of long cover is sealed cavity; The sidewall of sealed cavity is provided with the technological means of multiple air extractor vent, so high pressure air acts on tensioner assembly by above-mentioned gas channel, vent flow to the lateral wall of long cover.Rear annular end face more owing to have employed long cover is relative with annular end face before sealing sliding sleeve; The technological means of seal ring is provided with between annular end face before the rear annular end face and sealing sliding sleeve of long cover, so, can under the effect of high pressure air, sealing sliding sleeve and the rear annular end face of seal ring to the lateral wall of sealing shroud and long cover carry out actv. sealing.The technological means of the flange having extend radially outward for a week due to the rear end that have employed long cover again, so, can the tensioner assembly installed of the lateral wall of fixed length cover effectively.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pivot shaft main body of prior art.
The schematic diagram of the pivot shaft unit construction that Fig. 2 provides for embodiment of the present invention.
The structural representation of the bobbin chuck shaft device of the filament winder that Fig. 3 provides for embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 2, the pivot shaft unit construction 1 of embodiment of the present invention, comprises pivot shaft main body 11, and described pivot shaft main body 11 is axially through hollow shaft; Axle drive shaft support chamber 12 and axle drive shaft cantilever chamber 13 is followed successively by forward vertically in the rear end of described hollow shaft; The outlet passageway 15(that the sidewall in described axle drive shaft cantilever chamber 13 is provided with the free air diffuser 14 of at least one this sidewall through and at least one this sidewall through is certain, and outlet passageway 15 also can be arranged on the sidewall in described connecting shaft chamber 111 below.Obviously, the sidewall that outlet passageway 15 is arranged on axle drive shaft cantilever chamber 13 is preferably a kind of); Described free air diffuser 14 is away from the rear end of described hollow shaft; The sidewall of described hollow shaft is provided with transmission path 16; Described free air diffuser 14 is communicated with high-pressure air source by described transmission path 16; Described axle drive shaft support chamber 12 extends along described axle drive shaft cantilever chamber 13 to described free air diffuser.
Present embodiment is provided with transmission path due to the sidewall that have employed hollow shaft, the technological means that free air diffuser is communicated with high-pressure air source by transmission path, so, free air diffuser away from the rear end of hollow shaft, also can be communicated with high-pressure air source by transmission path even if free air diffuser is inserted in long cover.Therefore, axle drive shaft support chamber can be extended along axle drive shaft cantilever chamber to free air diffuser direction, the extended length of axle drive shaft support chamber, can be connected with drive shaft turns by extension supporting (bearing) in axle drive shaft support chamber.Like this, greatly can improve the rigidity of axle drive shaft, increasing the length of axle drive shaft, after strengthening the length-diameter ratio of axle drive shaft, axle drive shaft still keeps enough rigidity, can meet the technological requirement of large package, multiple head spinning, high speed spinning.
One as present embodiment is improved, and as shown in Figure 2, described free air diffuser 14 has one, and described transmission path 1 is parallel to the axis of described hollow shaft, and the outlet of described transmission path 16 is communicated with the entrance of described free air diffuser 14; The entrance of described transmission path 16 extends to the rear end of described hollow shaft.Certainly, described free air diffuser 14 also can have multiple, and be positioned at the same cross-sectional plane of described hollow shaft, described transmission path 16 is divided into two parts, a part is the arc transmission path or the annular delivery passage that are communicated with described free air diffuser 14 entrance along the circumference of described hollow shaft, another part is that at least one is parallel to the axial transmission path of described hollow shaft axis, the outlet of this axial transmission path is communicated with described arc transmission path or annular delivery passage, and the entrance of described axial transmission path extends to the rear end of described hollow shaft.
Present embodiment has one owing to have employed free air diffuser, and transmission path is parallel to the axis of hollow shaft, and the outlet of transmission path is communicated with the entrance of free air diffuser; The technological means that the entrance of transmission path extends to the rear end of described hollow shaft, so, the length of transmission path can be made the shortest, reduce the resistance of high pressure air flowing, and structure is simply easy to manufacture.Have multiple when have employed free air diffuser, and be positioned at the same cross-sectional plane of hollow shaft, transmission path is divided into two parts, a part is the arc transmission path or the annular delivery passage that are communicated with free air diffuser entrance along the circumference of hollow shaft, another part is that at least one is parallel to the axial transmission path of hollow shaft axis, the outlet of this axial transmission path is communicated with arc transmission path or annular delivery passage, the technological means that the entrance of axial transmission path extends to the rear end of hollow shaft, although its complex structure some, but the intake velocity of high pressure air can be improved, can also be symmetrical in the same cross-sectional plane of hollow shaft, distribute free air diffuser equably, symmetrical, distribute axial transmission path equably, improve the workmanship of high pressure air.
Further improve as present embodiment, as shown in Figure 2, described transmission path 16 arranges groove at described hollow shaft lateral wall, the lateral wall being provided with groove is set with and is fixed with sealing shroud 17 to be formed; The cross-sectional plane semicircular in shape of described groove, rectangle, trapezoidal, " V " font or " U " font.
Present embodiment arranges groove owing to have employed at hollow shaft lateral wall, the lateral wall being provided with groove is set with and is fixed with the technological means that sealing shroud forms transmission path, so, greatly reduce manufacture difficulty, greatly reduce manufacturing cost.Again owing to have employed the technological means of the cross-sectional plane semicircular in shape of groove, rectangle, trapezoidal, " V " font or " U " font, so, the pivot shaft unit construction of multiple different transmission path can be produced, with the demand of satisfied different client.
Further improve as present embodiment, as shown in Figure 1, the lateral wall of described hollow shaft rearward end has one week radially outward extending flange; Described groove extends to described flange, and annular end face forms the recess of through described flange outer sides wall before described flange; The rear annular end face of described sealing shroud is corresponding to the front annular end face of described flange, and fits together; The rear annular end face of described sealing shroud 17 and described recess form the entrance of described transmission path 16; The entrance of described transmission path 16 along described hollow shaft radially; The lateral wall suit of described flange is fixed with flange 18; The edge of the front end face of described flange extends to form seal ring forward vertically; Be provided with between described seal ring and described sealing shroud and seal sliding sleeve 19; The madial wall of described sealing sliding sleeve 19 and the lateral wall of described sealing shroud 17 seal sliding block joint; The lateral wall of described sealing sliding sleeve 19 and the madial wall of described seal ring seal sliding block joint; The entrance of the corresponding described transmission path 16 of described flange 18 is provided with in air supply channel 112(Fig. 3 and two symmetrically arranged air supply channels 112 has been shown, high pressure air can be made to promote symmetrically to seal sliding sleeve 19, certainly, also may correspond to these two air supply channels 112 and transmission path 16 described in two is set); The outlet of described air supply channel 112 is positioned at the inner side of described flange 18 front end face, and the centre hole of close flange 18, and just to the aft end face of described sealing sliding sleeve 19; Be positioned at front end face between the outlet of described air supply channel 112 and the centre hole of flange 18 and be provided with gap; The aft end face of described gap and described sealing sliding sleeve 19 form described air supply channel 112 another export; Another outlet of described air supply channel along the radial inward of described hollow shaft, and is connected with the entrance of described transmission path 16.
Present embodiment is due to the lateral wall that have employed hollow shaft rearward end have one week radially outward extending flange, the technological means that the rear annular end face of sealing shroud is corresponding to the front annular end face of flange, so, after before the rear annular end face of sealing shroud and flange, annular end face fits together, the lateral surface of sealing shroud and the lateral surface of flange are positioned at the same face of cylinder.Flange is extended to again owing to have employed groove, and annular end face forms through flange outer sides wall before flange, the rear annular end face of sealing shroud and recess form the technological means of the entrance of transmission path, so, the entrance of transmission path can be made along hollow shaft radially.Lateral wall suit again owing to have employed flange is fixed with flange; The edge of the front end face of flange extends to form seal ring forward vertically, is provided with sealing sliding sleeve between seal ring and sealing shroud; The sealing madial wall of sliding sleeve and the lateral wall of sealing shroud seal sliding block joint; The sealing lateral wall of sliding sleeve and the madial wall of seal ring seal the technological means of sliding block joint, so, when sealing sliding sleeve and reciprocatingly sliding, the sealing madial wall of sliding sleeve and the lateral wall of sealing shroud remain sealing state, and the sealing lateral wall of sliding sleeve and the madial wall of seal ring remain sealing state; Entrance also owing to have employed the corresponding transmission path of flange is provided with air supply channel; The outlet of air supply channel is positioned at the inner side of flange front end face, and the centre hole of close flange, and just to the technological means of the aft end face of sealing sliding sleeve, so high pressure air can promote sealing sliding sleeve forward slip.More be positioned at front end face between the outlet of air supply channel and the centre hole of flange be provided with gap owing to have employed; Gap forms another technological means exported of air supply channel with the aft end face of sealing sliding sleeve, so another of air supply channel exports the radial inward along hollow shaft, and can be connected with the entrance of transmission path.
Further improve again as present embodiment, described axle drive shaft support chamber 12 and axle drive shaft cantilever chamber 13 are coaxial cylindrical cavity; The internal diameter of described axle drive shaft support chamber 12 is more than or equal to the internal diameter in described axle drive shaft cantilever chamber 13.
Present embodiment is owing to have employed axle drive shaft support chamber and axle drive shaft cantilever chamber is coaxial cylindrical cavity; The internal diameter of axle drive shaft support chamber is more than or equal to the technological means of the internal diameter in axle drive shaft cantilever chamber, so, reasonable in design, handling ease.
Also further improve as present embodiment, described free air diffuser 14 is cylindrical; This free air diffuser 14 perpendicular to the sidewall in described axle drive shaft cantilever chamber 13, or, this free air diffuser 14 from the sidewall of described axle drive shaft cantilever chamber 13 to oblique front in the sidewall of described axle drive shaft cantilever chamber 13.
Present embodiment is cylindrical owing to have employed free air diffuser; This free air diffuser perpendicular to the technological means of the sidewall in described axle drive shaft cantilever chamber, so, the length of free air diffuser can be made the shortest, reduce further the resistance of high pressure air flowing, and easy to manufacture.When have employed free air diffuser 14 from the sidewall of axle drive shaft cantilever chamber 13 to the technological means in oblique front in the sidewall of axle drive shaft cantilever chamber 13, be conducive to axle drive shaft support chamber and extend forward.
Further improve as present embodiment, the sidewall in described axle drive shaft cantilever chamber 13 is provided with the air pressure stationary conduit 110 of this sidewall through for fixing seal device; Described air pressure stationary conduit 110 is positioned at the rear of described free air diffuser 14, and is communicated with described transmission path 16.
Present embodiment is provided with the air pressure stationary conduit of this sidewall through for fixing seal device due to the sidewall that have employed axle drive shaft cantilever chamber; Air pressure stationary conduit is positioned at the rear of free air diffuser, and the technological means be communicated with transmission path, so, by high pressure air, sealing arrangement is fixed, improves sealing effectiveness.
Further improving as present embodiment, is connecting shaft assembly chamber 111 in the front end of described hollow shaft again, and described connecting shaft assembly chamber 111 is coaxial with described axle drive shaft cantilever chamber 13 and be communicated with; The internal diameter in described connecting shaft assembly chamber 111 is greater than the internal diameter in described axle drive shaft cantilever chamber 13.
Present embodiment due to have employed hollow shaft front end in be connecting shaft assembly chamber, connecting shaft assembly chamber and axle drive shaft cantilever chamber are coaxially and be communicated with; The internal diameter in connecting shaft assembly chamber is greater than the technological means of the internal diameter in axle drive shaft cantilever chamber, so, very long axle can be divided into axle drive shaft and connecting shaft assembly two parts, conveniently manufacture processing.
As shown in Figure 3, the bobbin chuck shaft device of the filament winder of embodiment of the present invention, comprises pivot shaft assembly 1 and the axle drive shaft 2 penetrating pivot shaft main body in this pivot shaft assembly 1; Described pivot shaft assembly 1 is pivot shaft assembly as elucidated before; Described axle drive shaft 2 passes through at least former and later two bracing or strutting arrangements 3 and is rotationally connected in axle drive shaft support chamber 12.
Present embodiment, owing to have employed the technological means that pivot shaft assembly is pivot shaft assembly as elucidated before, so free air diffuser can away from the rear end of hollow shaft, also can be communicated with high-pressure air source by transmission path even if free air diffuser is inserted in long cover.Therefore, axle drive shaft support chamber can be extended along axle drive shaft cantilever chamber to admission port direction, the extended length of axle drive shaft support chamber, can be connected with drive shaft turns by extension supporting (bearing) in axle drive shaft support chamber, axle drive shaft is rotationally connected by least former and later two bracing or strutting arrangements in axle drive shaft support chamber.Like this, greatly can improve the rigidity of axle drive shaft, increasing the length of axle drive shaft, after strengthening the length-diameter ratio of axle drive shaft, axle drive shaft still keeps enough rigidity, can meet the technological requirement of large package, multiple head spinning, high speed spinning.
One as present embodiment is improved, and as shown in Figure 3, former and later two bracing or strutting arrangements 3 described are bearing; The rear end of described axle drive shaft 2 is coaxially fixedly connected with motor 5 by plunging joint 4; The outlet of described axle drive shaft 2 corresponding air pressure stationary conduit 110 in axle drive shaft cantilever chamber 13 is provided with sealing arrangement 6; Described sealing arrangement 6 is elastic seal ring; The front end of described axle drive shaft 2 is coaxially fixedly connected with by the rear end of axle sleeve 7 with the connecting shaft assembly 8 being positioned at connecting shaft assembly chamber 111; Described connecting shaft assembly 8 is rotationally connected by former and later two bearings 9 in connecting shaft assembly chamber 111; The front end of pivot shaft 1 is stretched out in the front end of described connecting shaft assembly 8; Described pivot shaft 1 is set with long cover 10; The flange that the rear end of described long cover 10 has extend radially outward for one week; The rear portion of described long cover 10 is for supporting axocoel 101; There is gap between the inwall of described support axocoel 101 and the outer wall of described pivot shaft 1, forms gas channel; The sidewall of described support axocoel 101 is provided with multiple air extractor vent 102; The front portion of described long cover 10 is sealed cavity 103; The sidewall of described sealed cavity 103 is provided with multiple air extractor vent 104; The middle part of described long cover 10 is provided with axis hole; The surrounding of described axis hole is provided with axial air extractor vent 105; The front end of described connecting shaft assembly 8 penetrates in the axis hole in the middle part of described long cover 10, and is fixedly connected with described long cover 10 by this axis hole; The rear annular end face of described long cover 10 is relative with the front annular end face of sealing sliding sleeve 19; Seal ring 106 is provided with between annular end face before the rear annular end face and described sealing sliding sleeve 19 of described long cover 10; The lateral wall of described long cover 10 is provided with tensioner assembly 107, and described tensioner assembly 107 is set with bobbin 108.
Present embodiment owing to have employed the technological means that former and later two bracing or strutting arrangements are bearing, so the rotation of axle drive shaft is more flexible.Certainly, bracing or strutting arrangement also can adopt sliding support.Again due to the technological means that the rear end that have employed axle drive shaft is fixedly connected with motor coaxle by plunging joint, so, easy disassembly and maintenance.Outlet again owing to have employed axle drive shaft corresponding air pressure stationary conduit in axle drive shaft cantilever chamber is provided with the technological means of sealing arrangement, so sealing arrangement is fixing by high pressure air pressurization.Sealing arrangement is elastic seal ring, now, preferred as one, one ring annular groove can be set in the outlet of the corresponding air pressure stationary conduit of the sidewall of axle drive shaft, correspondingly, arrange a ring annular groove in the outlet of madial wall (i.e. the madial wall of pivot shaft) the corresponding air pressure stationary conduit in axle drive shaft cantilever chamber, elastic seal ring is stuck in this two ring annular groove, plays the effect of reinforcing further.Front end again owing to have employed axle drive shaft is coaxially fixedly connected with by the rear end of axle sleeve with the connecting shaft assembly being positioned at connecting shaft assembly chamber, connecting shaft assembly is rotationally connected by former and later two bearings in connecting shaft assembly chamber, the technological means of the front end of pivot shaft is stretched out in the front end of connecting shaft assembly, so the manufacture of axle drive shaft, processing and installation are more prone to.Also owing to have employed support sleeve, long cover is housed; The rear portion of long cover is for supporting axocoel; The middle part of long cover is provided with axis hole; The front end of connecting shaft assembly penetrates in the axis hole at long cover middle part, and overlaps with long the technological means be fixedly connected with by this axis hole, so axle drive shaft drives long cover to rotate by connecting shaft assembly.There is gap owing to have employed between the inwall (i.e. the inwall of long cover) of support axocoel and the outer wall of pivot shaft again, forms gas channel; The sidewall supporting axocoel is provided with multiple air extractor vent; The surrounding of long cover middle part axis hole is provided with axial air extractor vent; The front portion of long cover is sealed cavity; The sidewall of sealed cavity is provided with the technological means of multiple air extractor vent, so high pressure air acts on tensioner assembly by above-mentioned gas channel, vent flow to the lateral wall of long cover.Rear annular end face more owing to have employed long cover is relative with annular end face before sealing sliding sleeve; The technological means of seal ring is provided with between annular end face before the rear annular end face and sealing sliding sleeve of long cover, so, can under the effect of high pressure air, sealing sliding sleeve and the rear annular end face of seal ring to the lateral wall of sealing shroud and long cover carry out actv. sealing.The technological means of the flange having extend radially outward for a week due to the rear end that have employed long cover again, so, can the tensioner assembly installed of the lateral wall of fixed length cover effectively.
The principle of the bobbin chuck shaft device work of the filament winder of embodiment of the present invention is: when completely rolling up doff, bobbin chuck shaft device stops operating.High pressure air enters the air supply channel 112 of the mounting flange 18 of pivot shaft 11, first sealing sliding sleeve 19 and seal ring 106 is promoted, seal between the rear end of pivot shaft 11 and the rear end of long cover 10, air pressure stationary conduit 110 is entered again by transmission path 16, promote sealing arrangement 6 torus section at free air diffuser 14 rear is sealed, then the torus section formed by pivot shaft main body 11 and long cover 10 is entered by free air diffuser 14 and outlet passageway 15, the sealed cavity 103 of long cover 10 front portion is also entered by axial air extractor vent 105, enter tensioner assembly 107 finally by air extractor vent 102 and air extractor vent 104 and promote the piston in tensioner assembly 107, unclamp bobbin 108.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, the usual change that those skilled in the art carries out within the scope of technical solution of the present invention and replacement all should be included in protection scope of the present invention.
Claims (8)
1. a pivot shaft unit construction, comprises pivot shaft main body, and described pivot shaft main body is axially through hollow shaft; Axle drive shaft support chamber and axle drive shaft cantilever chamber is followed successively by forward vertically in the rear end of described hollow shaft; The sidewall in described axle drive shaft cantilever chamber is provided with the free air diffuser of at least one this sidewall through; It is characterized in that: described free air diffuser is away from the rear end of described hollow shaft; The sidewall of described hollow shaft is provided with transmission path; Described free air diffuser is communicated with high-pressure air source by described transmission path; Described axle drive shaft support chamber extends along described axle drive shaft cantilever chamber to described free air diffuser; Described free air diffuser has one, and described transmission path is parallel to the axis of described hollow shaft, and the outlet of described transmission path is communicated with the entrance of described free air diffuser; The entrance of described transmission path extends to the rear end of described hollow shaft; Or, described free air diffuser has multiple, and be positioned at the same cross-sectional plane of described hollow shaft, described transmission path is divided into two parts, a part is the arc transmission path or the annular delivery passage that are communicated with described free air diffuser entrance along the circumference of described hollow shaft, another part is that at least one is parallel to the axial transmission path of described hollow shaft axis, the outlet of described axial transmission path is communicated with described arc transmission path or described annular delivery passage, and the entrance of described axial transmission path extends to the rear end of described hollow shaft; Described axle drive shaft support chamber and axle drive shaft cantilever chamber are coaxial cylindrical cavity; The internal diameter of described axle drive shaft support chamber is more than or equal to the internal diameter in described axle drive shaft cantilever chamber.
2. pivot shaft unit construction according to claim 1, is characterized in that: described transmission path arranges groove at described hollow shaft lateral wall, the lateral wall being provided with described groove is set with and is fixed with sealing shroud to be formed.
3. pivot shaft unit construction according to claim 2, is characterized in that: the lateral wall of described hollow shaft rearward end has one week radially outward extending flange; Described groove extends to described flange, and annular end face forms the recess of through described flange outer sides wall before described flange; The rear annular end face of described sealing shroud is corresponding to the front annular end face of described flange, and fits together; The rear annular end face of described sealing shroud and described recess form the entrance of described transmission path; The entrance of described transmission path along described hollow shaft radially; The lateral wall suit of described flange is fixed with flange; The edge of the front end face of described flange extends to form seal ring forward vertically; Sealing sliding sleeve is provided with between described seal ring and described sealing shroud; The madial wall of described sealing sliding sleeve and the lateral wall of described sealing shroud seal sliding block joint; The lateral wall of described sealing sliding sleeve and the madial wall of described seal ring seal sliding block joint; The entrance of the corresponding described transmission path of described flange is provided with air supply channel; The outlet of described air supply channel is positioned at the inner side of described flange front end face, and the centre hole of close flange, and just to the aft end face of described sealing sliding sleeve; Be positioned at front end face between the outlet of described air supply channel and the centre hole of flange and be provided with gap; The aft end face of described gap and described sealing sliding sleeve form described air supply channel another export; Another outlet of described air supply channel along the radial inward of described hollow shaft, and is connected with the entrance of described transmission path.
4. pivot shaft unit construction according to claim 1, is characterized in that: described free air diffuser is cylindrical; This free air diffuser is perpendicular to the sidewall in described axle drive shaft cantilever chamber, or this free air diffuser is oblique front from outside to inside.
5. pivot shaft unit construction according to claim 1, is characterized in that: the sidewall in described axle drive shaft cantilever chamber is provided with the air pressure stationary conduit of this sidewall through for fixing seal device; Described air pressure stationary conduit is positioned at the rear of described free air diffuser, and is communicated with described transmission path.
6. pivot shaft unit construction according to claim 1, is characterized in that: for connecting shaft assembly chamber in the front end of described hollow shaft, and described connecting shaft assembly chamber and described axle drive shaft cantilever chamber are coaxially and be communicated with; The internal diameter in described connecting shaft assembly chamber is greater than the internal diameter in described axle drive shaft cantilever chamber.
7. a bobbin chuck shaft device for filament winder, comprises pivot shaft assembly and the axle drive shaft penetrating pivot shaft main body in this pivot shaft assembly; It is characterized in that: described pivot shaft assembly is the pivot shaft assembly as described in claim 1 to 6; Described axle drive shaft is rotationally connected by least former and later two bracing or strutting arrangements in axle drive shaft support chamber.
8. the bobbin chuck shaft device of filament winder according to claim 7, is characterized in that: former and later two bracing or strutting arrangements described are bearing; The rear end of described axle drive shaft is fixedly connected with motor coaxle by plunging joint; The outlet of described axle drive shaft corresponding air pressure stationary conduit in axle drive shaft cantilever chamber is provided with sealing arrangement; Described sealing arrangement is elastic seal ring; The front end of described axle drive shaft is coaxially fixedly connected with by the rear end of axle sleeve with the connecting shaft assembly being positioned at connecting shaft assembly chamber; Described connecting shaft assembly is rotationally connected by former and later two bearings in connecting shaft assembly chamber; The front end of pivot shaft is stretched out in the front end of described connecting shaft assembly; Described support sleeve is equipped with long cover; The flange that the described long rear end overlapped has extend radially outward for one week; The rear portion of described long cover is for supporting axocoel; There is gap between the inwall of described support axocoel and the outer wall of described pivot shaft, forms gas channel; The sidewall of described support axocoel is provided with multiple air extractor vent; The front portion of described long cover is sealed cavity; The sidewall of described sealed cavity is provided with multiple air extractor vent; The middle part of described long cover is provided with axis hole; The surrounding of described axis hole is provided with axial air extractor vent; The front end of described connecting shaft assembly penetrates in the axis hole at described long cover middle part, and is fixedly connected with described long cover by this axis hole; The rear annular end face of described long cover is relative with the front annular end face of sealing sliding sleeve; Seal ring is provided with between annular end face before the rear annular end face and described sealing sliding sleeve of described long cover; The lateral wall of described long cover is provided with tensioner assembly, and described tensioner assembly is set with bobbin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144398.1A CN103193105B (en) | 2013-04-24 | 2013-04-24 | The bobbin chuck shaft device of pivot shaft unit construction and filament winder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144398.1A CN103193105B (en) | 2013-04-24 | 2013-04-24 | The bobbin chuck shaft device of pivot shaft unit construction and filament winder |
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| Publication Number | Publication Date |
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| CN103193105A CN103193105A (en) | 2013-07-10 |
| CN103193105B true CN103193105B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310144398.1A Active CN103193105B (en) | 2013-04-24 | 2013-04-24 | The bobbin chuck shaft device of pivot shaft unit construction and filament winder |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105173891B (en) * | 2015-10-08 | 2017-08-29 | 河南省西工机电设备有限公司 | Coiling main shaft is the layer winder and coiling main shaft of hollow shaft |
| DE112018006576A5 (en) * | 2017-12-23 | 2020-09-10 | Oerlikon Textile Gmbh & Co. Kg | Take-up machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113382A (en) * | 1993-07-14 | 1995-12-13 | 东丽株式会社 | Bobbin holder and wind-up gear provided with the same |
| US6536953B1 (en) * | 2000-11-08 | 2003-03-25 | E. I. Du Pont De Nemours And Company | Bearing mount system for reducing vibration |
| CN202030379U (en) * | 2011-03-21 | 2011-11-09 | 东华大学 | Winder with hydraulic support |
| CN203269215U (en) * | 2013-04-24 | 2013-11-06 | 北京中丽制机工程技术有限公司 | Supporting shaft assembly structure and bobbin chuck shaft device of filament coiler |
-
2013
- 2013-04-24 CN CN201310144398.1A patent/CN103193105B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113382A (en) * | 1993-07-14 | 1995-12-13 | 东丽株式会社 | Bobbin holder and wind-up gear provided with the same |
| US6536953B1 (en) * | 2000-11-08 | 2003-03-25 | E. I. Du Pont De Nemours And Company | Bearing mount system for reducing vibration |
| CN202030379U (en) * | 2011-03-21 | 2011-11-09 | 东华大学 | Winder with hydraulic support |
| CN203269215U (en) * | 2013-04-24 | 2013-11-06 | 北京中丽制机工程技术有限公司 | Supporting shaft assembly structure and bobbin chuck shaft device of filament coiler |
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| CN103193105A (en) | 2013-07-10 |
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