The auxiliary roller mechanism of computer plain flat knitter
Technical field
The utility model belongs to technical field of knitting machinery, is specifically related to a kind of auxiliary roller mechanism of computer plain flat knitter.
Background technology
In the background technology hurdle of Chinese invention patent Granted publication CN100554556C disclosed (the applicant propose application) specification to being used as of auxiliary roller mechanism detailed explanation, and this patent has been made system and objective appraisal to previous disclosed CN2905846Y (application that same the applicant proposes), CN2910975Y and the existing shortcoming of CN1928182A, specifically can walk to Instructions Page 2 the 15th row referring to the specification of CN100554556C for the 1st page the 6th.
The technical scheme that above-mentioned patent (CN100554556C) provides for the slippage of the actuating unit of the traction device for basketwork motion that reduces to be used to order about auxiliary roller mechanism, prevent that trailed braided fabric and transiting rod support member play and the nozzle position that makes traction device for basketwork be close to the knitting mechanism of computer plain flat knitter all have positive technique effect.
Fig. 5 is the schematic diagram of a pair of traction device for basketwork 3 of the secondary roller machine of the disclosed computer plain flat knitter of CN100554556C, each is by comprising roller 31, transiting rod support member 32, transiting rod 33 and hold cloth cover 34 under the arm, transiting rod support member 32 is processed into up-small and down-big shape of cross section and trends towards leg-of-mutton shape, and on the transiting rod support member, be formed with arc surface on the lower surface respectively, so that realization cooperates with roller 31 and transiting rod 33, and can also ensure that transiting rod 32 rotates, holding cloth cover 34 under the arm uses submissive rubber mass material to make usually, perhaps adopt nonwoven fabric, by holding cloth cover 34 under the arm with roller 31, transiting rod support member 32 and transiting rod 33 contain, at the braided fabric that forms by the braiding of the knitting mechanism of computer plain flat knitter by way of a pair of when holding under the arm between the cloth cover 34, and under the effect of spooler in road, back, make a pair of cloth cover 34 of holding under the arm form being used for of going round and beginning again and hold the fortune plane under the arm with what braided fabric was held under the arm out.Said structure exists the hypodynamic shortcoming of seizing on both sides by the arms of braided fabric, show as a line contact (both are tangent) at length direction each other because be the cloth cover 34 of holding under the arm of a pair of traction device for basketwork 3 of splayed configuration, the contact that is both is extremely limited, obviously lack traction force to braided fabric, thereby make the packet header pin form the phenomenon that order (being false tuck) hung in a kind of vacation, more particularly, the coil of lopping because of lacking, traction force can't be overturn fully, influence quality of braided fabric, it is irregular to make braided fabric show lines, size instability etc.
At above-mentioned prior art, the applicant has carried out long-term exploration and trial, finds a way to resolve the problem, and technical scheme described below produces under this background.
Summary of the invention
Task of the present utility model be to provide a kind of can increase traction device for basketwork effectively hold the cloth cover under the arm to the traction force of braided fabric and use the generation of avoiding false tuck situation and guarantee the auxiliary roller mechanism of the computer plain flat knitter of quality of braided fabric.
Another task of the present utility model is to provide a kind of auxiliary roller mechanism of computer plain flat knitter of the transiting rod support member left and right sides play that can avoid traction device for basketwork effectively.
A task more of the present utility model is to provide a kind of auxiliary roller mechanism that can prevent the computer plain flat knitter of braided fabric left and right sides play effectively.
Task of the present utility model is finished like this, a kind of auxiliary roller mechanism of computer plain flat knitter, comprise an actuating unit that constitutes by gear-box and case lid, bearing and pair of pivot are arranged between described actuating unit and the described bearing and traction device for basketwork parallel to each other, a pair of traction device for basketwork comprises that respectively an end and actuating unit are in transmission connection and the other end is bearing in the roller on the described bearing rotationally, be located at the transiting rod support member on the roller, the transiting rod and the motion ground envelope that are located at transiting rod support member top are nested with at described roller, transiting rod support member and transiting rod are outer be used to hold under the arm draw braided fabric hold the cloth cover under the arm, it is characterized in that: the top of described transiting rod support member and respectively have one along the corresponding both sides of the length direction of transiting rod support member and be used for the described cloth cover of holding under the arm towards holding cloth cover swelling device under the arm back to the direction bulging of transiting rod support member.
In a specific embodiment of the present utility model, the described cloth cover swelling device of holding under the arm comprises semi arch groove that is arranged with on described transiting rod support member and the tightening roller that is placed in the semi arch groove, and tightening roller contacts with the described cloth cover of holding under the arm.
In another specific embodiment of the present utility model, the described cloth cover swelling device of holding under the arm is the outstanding semi arch projection that is formed on the described transiting rod support member, and the semi arch projection contacts with the described cloth cover of holding under the arm.
For another task of the present utility model is finished in embodiment, described a pair of traction device for basketwork also respectively includes a pair of limiting plate that is used to prevent described transiting rod support member left and right sides play, wherein one piece of limiting plate in a pair of limiting plate is corresponding to an end of transiting rod support member, another piece limiting plate in a pair of limiting plate is then corresponding to the other end of transiting rod support member, wherein: the lower end of limiting plate is bearing on the described roller, and the upper end then is bearing on the transiting rod.
For a task more of the present utility model is finished in embodiment, respectively be provided with an anti-play device that is used to prevent braided fabric left and right sides play at the top of described gear-box and described bearing, a pair of anti-play device is opposite to each other corresponding to described two ends of holding the top of cloth cover under the arm.
In another specific embodiment of the present utility model, described limiting plate is identical with the shape of cross section of described transiting rod support member, wherein: the lower end expansion of limiting plate is established, and constitute first a surperficial suitable arc surface that is used for described roller at the end face that end is established in this expansion, contract and the upper end of limiting plate is narrow, and constitute the second surperficial suitable arc surface with described transiting rod at the narrow end face that contracts end.
In another specific embodiment of the present utility model, described roller is the roller of hollow bellows structure, and the accent position that roller is used for the roller chamber of an end that is connected with described actuating unit has extended a joint tongue.
Also have in the specific embodiment of the present utility model, described anti-play device comprises locating rack body and at least one urgent firmware, end at the locating rack body offers urgent solid groove, the both sides, nearly middle part of locating rack body respectively extend one, and to be used for that described limiting plate is kept off the retaining that protects prominent, it is one narrow that contract and above the anti-channeling swing arm that is used to prevent the braided fabric play of locating rack body that the other end of locating rack body constitutes, and offers braided fabric selvedge guide channel on the anti-channeling swing arm.
More of the present utility model and in specific embodiment, also dispose one on the described locating rack body and below corresponding to the base portion of described anti-channeling swing arm and be used to cooperate that described retaining is prominent that limiting plate is carried out spacing limited part, described limited part is an adjustment screw.
Of the present utility model again more and in specific embodiment, described urgent firmware is a hold-down screw, be formulated in compeling on the solid groove of being offered on the locating rack body.
The technical scheme that the utility model provides since respectively set up in the both sides on the top of each transiting rod support member of a pair of traction device for basketwork be used to make hold the bulging of cloth cover under the arm hold cloth cover swelling device under the arm, thereby make a pair of cloth cover of holding under the arm become plane contact and increase contact-making surface by the line contact each other in the prior art, traction force to braided fabric significantly improves, avoid knitting mechanism false tuck phenomenon to occur, guarantee that the braided fabric lines is even, quality of braided fabric is promoted.
Description of drawings
Fig. 1 is example structure figure of the present utility model.
Fig. 2 is the first embodiment schematic diagram of holding cloth cover swelling device under the arm of traction device for basketwork of the present utility model.
Fig. 3 is the second embodiment schematic diagram of holding cloth cover swelling device under the arm of traction device for basketwork of the present utility model.
Fig. 4 is an application examples schematic diagram of the present utility model.
Fig. 5 is the schematic diagram of the traction device for basketwork in the prior art.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
Embodiment 1:
Please consult Fig. 1, provide the preferred but non-actuating unit that definitely is limited to 1, it is made of gear-box 11 and case lid 12, and case lid 12 is fixed on the opening of gear-box 11 or claims case oral area position by one group of hold-down screw.Since that the internal structure of gear-box 11 is mentioned in the above with the applicant fully and identical by the described content of invention patent mandate notification number CN100554556Y of asking among the applicant (the 4th page of inverse the 4th of specification walks to the 5th page the 1st section), therefore no longer elaborate.The a pair of power output shaft 111 and the following traction device for basketwork that will describe 3 of gear-box 11 are in transmission connection, and offer tongue-and-groove 1111 on each power output shaft 111.
Continue to see Fig. 1, the part count of a pair of traction device for basketwork 3 and the relation of installing are identical, this left end (is example with the shown position state) joint tongue 311 by its accent position, roller chamber to the roller 31 of a pair of corrugated configuration of device is connected on the aforementioned tongue-and-groove 1111, and the right-hand member hub setting of a pair of roller 31 is to the bearing 2 on first, second roller pivot seat 21,22 that extended and parallel.By illustrated structure as can be known, first, second roller pivot seat the 21, the 22nd, slotting respectively (putting) goes in the roller chamber of right-hand member of a pair of roller 31.The a pair of transiting rod support member 32 of traction device for basketwork 3 is processed into up-small and down-big shape of cross section and trends towards leg-of-mutton shape, and on the upper and lower end face of transiting rod support member 32, be formed with arc surface respectively, so that realize matching, and can also rotate (under the effect of holding cloth cover 34 under the arm) for transiting rod 32 with roller 31, transiting rod 33.Hold the material that cloth cover 34 adopts rubber mass under the arm, perhaps nonwoven fabric, by holding cloth cover 34 under the arm roller 31, transiting rod support member 32 and transiting rod 33 are contained, overlapped 34 o'clock by way of holding cloth under the arm at braided fabric 8 (Fig. 4 shows), and under the effect of spooler in road, back, hold under the arm cloth cover 34 can form one go round and begin again be used for that braided fabric after will being finished by the knitting mechanism braiding holds under the arm out hold the fortune plane under the arm.
Be equipped with a limiting plate 35 at the two ends of every roller 31, the global shape of limiting plate 35 is tile shape, its size reaches unanimity with the shape of cross section of transiting rod support member 32, and embodying big top and small bottom is that the lower end is expanded and to be established and the upper end is narrow contracts, be formed with one second arc surface 352 on the end face of upper end, this second arc surface 352 compensates for the part (1/2nd diameter) of transiting rod 33 just at least, and shape has one first arc surface 351 on the end face of lower end, reason is the same, is used for cooperating with roller 31.The self-evident function of limiting plate 35 is that barrier material effectively is preferably the transiting rod support member 32 left and right plaies of plastics or nylon system, touches because paste mutually with transiting rod support member 32 at the middle part of limiting plate 35.
Still ask for an interview Fig. 1, at the top of described gear-box 11 and the top of bearing 2 respectively dispose one each other structure identical and being used to of being provided with in opposite directions prevent the braided fabric or the anti-play device 4 of play to the left or to the right, preferred but not the concrete structure anti-play device 4 that is limited to comprises a locating rack body 41 and urgent firmware 42 at least, end at locating rack body 41 is that illustrated left end offers a pair of solid groove 411 of compeling, a pair of urgent firmware 42 adopts hold-down screw, pass and a pair ofly compel that solid groove 411 revolves and in the fixing screw hole at the top that is preset in gear-box 11, thereby locating rack body 41 is fixed on the gear-box 11.The other end of locating rack body 41 is the narrow anti-channeling swing arm 413 that shortened into of illustrated right-hand member, offer braided fabric selvedge guide channel 4131 on the anti-channeling swing arm 413, it is prominent 412 that the middle part bilateral symmetry of locating rack body 41 has extended a pair of retaining, this to keep off prominent 412 respectively with the outer side contacts of aforesaid limiting plate 35.Seen that by figure the monnolithic case of locating rack body 41 is similar to zigzag or is referred to as font, this shape is to be formed by the step that produces between anti-channeling swing arm 413 and the locating rack body 41, and the level height that is to say anti-channeling swing arm 413 is than locating rack body 41 height.A pair of retaining prominent 412 is arranged on the both sides of stepped portions.Whole locating rack body 41 is adjustable, specifically realizes by the solid groove 411 of compeling on it.In addition, nearly central authorities in aforesaid stepped portions also dispose a limited part 43, limited part 43 is provided with adjusts nut 431, because limited part 43 occupy between a pair of retaining prominent 412, therefore it can play the inner side limiting-position that cooperates the prominent 412 pairs of limiting plates 35 of retaining, especially also have potential effect, that is exactly not make the arbitrary support bar 33 in the pair of support rods 33 cross the center.Aforementioned anti-play device 4 is at being located on the gear-box 11 one device, be located on the bearing 2 anti-play device 4 in like manner, so repeat no more.
Please see Fig. 1 then, the technical essential of the technical scheme that provides as the utility model: in the both sides on the top of a pair of transiting rod support member 32 of aforesaid traction device for basketwork 3 and the corresponding position of both sides respectively constitute one and be used to make and hold cloth cover 34 under the arm and hold cloth cover swelling device 321 under the arm towards the direction bulging that deviates from transiting rod support member 32 (also can be regarded as and be used to increase the cornerite of holding cloth cover 34 under the arm), owing to hold the setting (design) of cloth cover swelling device 321 under the arm, can make a pair of cloth cover 34 of holding under the arm by showing as straight line contact (contact tangent to each other) at length direction and change plane contact each other in the prior art, thereby increase braided fabric 8 traction force of (Fig. 4 shows) to increase contact-making surface, eliminate false tuck (order is hung in the vacation) phenomenon that the applicant said and ensured the quality of braided fabric 8 in the background technology column, be embodied in and make braided fabric 8 lines even.Aforesaid version of holding cloth cover swelling device 321 under the arm mainly contains two kinds, is specifically described by embodiment 2 and embodiment 3, and wherein: the version of embodiment 2 is identical with version shown in Figure 1.
Embodiment 2:
Ask for an interview Fig. 2 and in conjunction with Fig. 1, respectively be concaved with half arc groove 3211 and be arranged on tightening roller 3212 in the semi arch groove 3211 as preferably holding corresponding both sides that cloth cover swelling device 321 is included in the top of transiting rod support member 32 under the arm, preferably, the degree of depth of semi arch groove 3211 be tightening roller 321 diameter 1/2nd.This programme can make that formation is about 3-5 ° angle α between the surface of holding cloth cover 34 under the arm and the braided fabric 8 (Fig. 4 shows).All the other are all with the description to embodiment 1.
Embodiment 3:
Ask for an interview Fig. 3, as the another kind of preferred construction of holding cloth cover swelling device 321 under the arm, each outwards outstanding semi arch projection 3213 that constitutes in the corresponding both sides on the top of transiting rod support member 32, the present embodiment structure can be abandoned the tightening roller 321 (also can claim little axle) of embodiment 2, say that more properly present embodiment and embodiment 2 have the effect that plays the same tune on different musical instruments.All the other are all with the description to embodiment 1.
Please consult Fig. 2, of the present utility model do not have the inboard portion and the below of approaching the nozzle 7 of knitting mechanism on the upper side that is not installed in a pair of needle-bar 6 that constitutes the Eight characters each other substantially by auxiliary roller mechanism shown in Figure 1 and prior art, specifically is by screw that gear-box 11, bearing 2 is fixing with needle-bar 6.
The applicant sketches application of the present utility model in conjunction with Fig. 1 and Fig. 2.Computer plain flat knitter enters work, knitting mechanism enters woven condition, actuating unit 1 work of the present utility model, a pair of roller 31 motions, braided fabric after the knitting mechanism braiding is shaped draws and holds under the arm out to a pair of holding under the arm between the cloth cover 34 and by holding cloth cover 34 under the arm, supplies the spooler in road, back to batch.In entire work process, play can not take place owing to suffer stopping of limiting plate 35 in transiting rod support member 32, again because limiting plate 35 is kept off retaining prominent 412, limited part 43 protects and can not occur falling partially, and can play by limited part 43 and prevent that a pair of transiting rod 33 from crossing the center.In the process of traction braided fabric, the both sides of the edge of braided fabric are in respectively in the braided fabric selvedge guide channel 4131, thereby the phenomenon of sideslip can not occur.In addition, also can adjust locating rack body 41 according to the door width of cloth of braided fabric.Especially,, prevent that false tuck from appearring in knitting mechanism, ensure the quality of braided fabric because existence of holding cloth cover swelling device 321 under the arm of the present utility model can make a pair of traction force that cloth cover 34 increases braided fabric 8 of holding under the arm.