Summary of the invention
The objective of the invention is to solve the problem that exists in the above-mentioned bobbin holder in the past, a kind of long size bobbin holder that can fastening a plurality of bobbins is provided.
For addressing the above problem, in the bobbin holder of the present invention, set a plurality of secure components, this secure component is compressed vertically and make of the external diameter direction expansion of this secure component to above-mentioned retainer in the periphery of retainer, internal diameter to coaxial mounted cylindric bobbin on this retainer carries out fastening
A) above-mentioned secure component has: the 1st tilt component is fixed on the above-mentioned retainer, and has the dip plane in its periphery; The 2nd tilt component can coaxially be provided with slidably on above-mentioned retainer, and has the dip plane in its periphery; Be located at the conical part between these the 1st and the 2nd tilt components and the bobbin; Compression element to axially the pushing of retainer, and makes conical part expand to normal direction above-mentioned the 2nd tilt component;
B) this conical part has in the outer peripheral face of the fastening bobbin of its periphery and the dip plane at all two ends within it, distolateral dip plane in this dip plane combines with the dip plane of above-mentioned the 1st tilt component, and another distolateral dip plane combines with the dip plane of above-mentioned the 2nd tilt component;
C) mode and the coaxial cylinder part that sets of above-mentioned retainer to cover above-mentioned conical part has a plurality of holes that above-mentioned conical part can be given prominence to;
D) when alleviating bobbin fastening, by making above-mentioned the 2nd tilt component and above-mentioned cylinder part combination, make above-mentioned cylinder part to the moving axially of retainer, thus, make above-mentioned the 2nd tilt component opposing above-mentioned compressor structure and move, can make above-mentioned conical part to the radial direction medial movement.
According to said structure, bobbin holder of the present invention, because conical part has the dip plane at the outer peripheral face of the fastening bobbin of its periphery and Qi Nei week two ends, distolateral dip plane in this dip plane combines with the peripheral part dip plane of the 1st tilt component on being fixed on retainer, and another distolateral dip plane combines with the coaxial peripheral part dip plane that is located at the 2nd tilt component on the retainer slidably, and compressing mechanism is combined on the 2nd tilt component.So, can reduce the quantity of the compressing mechanism of secure component, and, owing to can apply compressive force respectively to a plurality of conical parts really, so can stablize the fastening force of bobbin.
In addition, according to said structure, bobbin holder of the present invention, owing to can reduce the quantity of compressing mechanism, therefore can resist this compressive force and power, reduce to alleviate the fastening pressing force of bobbin, can generator miniaturization and low-cost apparatus.In addition, owing to the bobbin of controlling two ends,, reduce the vibration rank so can improve safety with 1.5 times fastening force of pars intermedia.
In addition, bobbin holder of the present invention, stressed member with drag of accepting the above-mentioned compressor structure; This stressed member and above-mentioned the 1st tilt component are provided between each groove and above-mentioned cylinder part that is formed on the above-mentioned retainer periphery, and, form the shape of upwards cutting apart or freely stretching in the week of retainer, so that can chimericly be installed in this groove.
By this structure, the 1st tilt component and stressed member can be adorned easily/be discharged in the groove.
In addition, bobbin holder of the present invention, on above-mentioned stressed member, be provided with a plurality of projecting parts towards above-mentioned the 2nd tilt component, when alleviating bobbin fastening, by making this projecting part connect the aperture that on above-mentioned the 2nd tilt component, runs through setting, with above-mentioned conical part butt, thus, remove combining of above-mentioned the 2nd tilt component and above-mentioned conical part, and the moving axially of restriction conical part.
When utilizing this structural relaxation bobbin,,, can not make conical part be pulled the reliable bobbin of extracting out in ground by bobbin towards pushing conical part in the opposite direction with the side of extracting bobbin out by with the projecting part that is located on the tilt component.
The specific embodiment
Below, according to description of drawings one embodiment of the invention.Fig. 1 is the section-drawing of an embodiment of bobbin holder of the present invention, and Fig. 2 is the A part details drawing of Fig. 1, and Fig. 3 is that B direction from Fig. 2 is to view.In Fig. 1, support the flange portion 1a of the left part of barrel-contoured fulcrum 1, be fixed and be supported on the framework (not shown) of reeler with bolt 35.
At the hollow bulb of above-mentioned fulcrum 1, the coaxial S. A. 2 that sets is supported rotationally by bearing 3,4, the 2a portion of above-mentioned S. A. 2, with the hole 5s of retainer 5 and regulation be adjacent to the material butt, with the front end of nut 6 fastening above-mentioned S. A.s 2.In addition, the external diameter of above-mentioned bearing 3,4 is by elastic body 7,8 elasticity supports, and above-mentioned bearing 3 is fixing vertically by locating ring 33.
In the left side of above-mentioned S. A. 2, by bearing 28,29, but adapter shaft 27 is supported on coaxial rotation ground on above-mentioned fulcrum 1, links above-mentioned S. A. 2 and above-mentioned adapter shaft 27 by coupler 26.In addition, the external diameter of above-mentioned bearing 28,29 is by elastic body 30,31 elasticity supports, and above-mentioned bearing 29 is fixing vertically by locating ring 32.
At the outer peripheral face of above-mentioned retainer 5, control the secure component 9A~9I and the cylinder part 11A~11I of the internal diameter of bobbin 10A~10H, arranged in co-axial alignment and setting vertically on above-mentioned retainer 5.At the front end of retainer 5, by bolt 15 fixed caps 13.
Above-mentioned secure component 9A~9I is formed on the groove 5a on the retainer 5, is combined with the 1st tilt component 16.
In groove 5b,, on above-mentioned spring perch 17, give prominence to the many 17a of needle-like portion are set in conjunction with spring perch (base member) 17.On the periphery 5c of above-mentioned retainer 5, can set the 2nd tilt component 18 vertically movably; On above-mentioned the 2nd tilt component 18, be formed with a plurality of hole 18a accordingly with the 17a of needle-like portion of above-mentioned spring perch 17.
Respectively in conjunction with spring 20, and direction is pushed above-mentioned the 2nd tilt component 18 left on above-mentioned a plurality of empty 18a and the 17a of needle-like portion.Set conical part 19, this conical part 19 has dip plane 19c, the 19d that combines with dip plane 16b at the dip plane 18c of above-mentioned the 2nd tilt component 18 and the 1st tilt component 16, utilize the thrust of above-mentioned spring 20, above-mentioned the 2nd tilt component 18 to the left of Fig. 2 to moving, combine with above-mentioned each dip plane, conical part 19 is expanded to normal direction.In addition, in the present embodiment, conical part 19 adopts resins (nylon, polyacetal etc.), but also can be metal such as aluminium.
In the periphery of above-mentioned retainer 5, the 1st tilt component 16 and spring perch 17, the recess 5a that is shaped in the periphery of retainer 5 and the protuberance 16a of the 1st tilt component 16, and the protuberance 17b combination respectively of recess 5b and spring perch 17.
In addition, use resin (nylon, polyacetal etc.) the 1st tilt component 16 that is shaped annularly, spring perch 17 and the 2nd tilt component 18 respectively, place on the circumference or many places are configured as can retractile U type groove (Fig. 6).In the present embodiment, the configuration of the branches such as 3 places on circumference is shaped.As other embodiment, 1 otch (Fig. 7) also can be shaped on circumference.
The cylinder part 11A that forms tubulose is provided in the left-hand end of retainer 5, is combined in the outer peripheral face of the 1st tilt component 16 slidably.On above-mentioned cylinder part 11A, 3 ground such as branch such as the grade slotted hole 11b that has been shaped can move with respect to the pin 14 that is fixed on the retainer 5.
Follow above-mentioned cylinder part 11A, cartridge 11B, the 11C of tubulose, 11D, 11E, 11F, 11G, 11H, 11I are successively along the axially movably arrangement combination of retainer 5.In addition, in the following description, cylinder part is represented cylinder part 11A~11I is only represented with 11.
Symbol 11c is formed in the recess on the cylindrical portion 11, when lax bobbin 10, combines with protuberance 18b on being formed on the 2nd tilt component 18, and the right of the 2nd tilt component 18 in Fig. 2 moved.
In Fig. 3, symbol 11d, 11e represent to be formed on a plurality of holes on the cylinder part 11, and protuberance 19a, the 19b of conical part 19 gives prominence to by these holes 11d, 11e, and raised part 19a, 19b combine with the internal diameter of bobbin 10A~10H, and control bobbin.
In the present embodiment, on same circumference, use 6 conical parts 19, and be divided into 6 mode, form above-mentioned a plurality of hole 11d, 11e with periphery with each cylinder part 11.In addition, the connecting portion 19g of protuberance 19a, the 19b of conical part 19 combines with the inside diameter of cylinder part 11f, prevents more than the conical part 19 outstanding specified amounts.In addition, the connecting portion 19g of conical part 19, the shape shaping with the U shape has flexibility.
As other embodiment (not shown),, conical part 19 is shunk to the center position of retainer 5 at the slot part 19f of U shape spring members in conjunction with ring-type.
In addition, between 1b on the end flange portion 1a that is formed in fulcrum 1 and 1c portion, combine piston 21, constitute the C of cylinder chamber by O ring 22,23.Be formed in fulcrum 1 on groove in the ring-type material 34 that combines with locating ring 25 and above-mentioned piston 21 between, be equipped with and be used for spring 24 that above-mentioned piston 21 is moved to the left at Fig. 1.
Below, the work of the bobbin holder of being made up of said structure is described.
[bobbin fastening]
Discharge the pressurized air in the C of cylinder chamber, utilize spring 24, make the left of piston 21 in Fig. 1 to moving, make cylinder part 11A left direction move, disconnect the combination (the 2nd tilt component 18 breaks away from cylinder parts 11) of the protuberance 18b of each cylinder part 11A~11I and the 2nd tilt component 18.
Then, under this state, the 2nd tilt component 18 is by spring 20, to the left in Fig. 2 to moving, slide with respect to the 2nd tilt component the 18, the 1st tilt component 16 in the joint portion of conical part 19 ( dip plane 19c, 19d), the protuberance 19a and the 19b of conical part 19 are expanded to peripheral direction.As a result, conical part 19 is controlled the internal diameter of bobbin 10.
[relaxing of bobbin]
Supply with pressure gas from the compressed-air supply hole 1d of fulcrum 1 to the C of cylinder chamber, piston 21 is moved to the right in Fig. 1.By mobile piston 21,21a portion combines with the end 11a of cylinder part 11A, when to right pushing cylinder part 11A, cylinder part 11B~11H is moved to right, in Fig. 2, the notch part 11c that is formed on each cylinder part 11 combines with the protuberance 18b of second tilt component 18, and antagonistic spring 20 makes second tilt component 18 move to right.
As mentioned above, right-hand move of second tilt component, 18 antagonistic springs 20 in Fig. 2, and the joint portion of conical part 19 ( dip plane 19c, 19d) slide with respect to the 2nd tilt component the 18, the 1st tilt component 16, conical part 9 dwindles to internal diameter direction.In the present embodiment, do not link the cylinder part of installing vertically of retainer 5 mutually, but can link mutually yet by joint portions such as projections.
In addition, carry out the lax of bobbin for more reliable, method shown in Figure 4 is effective.That is, on spring perch 17, give prominence to a plurality of a plurality of projecting part 17cs different with the 17a of needle-like portion are set, this projecting part 17c is by running through the aperture that is arranged on the 2nd tilt component, with conical part 19 butts.Situation when the front end that this projecting part 17c has been shown among Fig. 5 combines with the notch part 19h of above-mentioned conical part 19.
Thus, conical part 19 is not pulled by the bobbin 10 that moves along arrow directions X shown in Figure 5, and dwindles to the internal diameter direction of retainer 5 reliably, so, do not hinder and extract bobbin 10 out.
In addition, in the embodiment shown in fig. 4, as parts in addition, but as shown in Figure 8,17a of needle-like portion and projecting part 17c also can form as one with the 17a of needle-like portion of spring perch 17 and projecting part 17c.
In the above-described embodiments, when relaxing bobbin, from the retainer rear portion, the driving device (being C of cylinder chamber and piston 21 in the present embodiment) that utilization is provided on the retainer is pushed cylinder part 11, but also can set conical part, utilize the driving device on the blank part 36 that is provided in the retainer leading section to push.
More than, in detail and with reference to coming formula that the present invention has been described in specific enforcement side, but industry technical personnel should know under the condition that does not break away from the spirit and scope of the present invention, can carry out all changes or correction.
The application is based on the Japanese patent application (the special 2002-149830 of hope) of the Japanese patent application of application on February 7th, 2002 (special hope 2002-069306), application on April 17th, 2002, adopts its content as reference herein.
As mentioned above, compared with the past according to the present invention, can reduce the quantity that the compression of fastening device loses, and, owing to can apply compressive force reliably, can make the fastening force of bobbin stable to a plurality of conical parts.