CN202644105U

CN202644105U - Clipping device for circular knitting machine of towels

Info

Publication number: CN202644105U
Application number: CN 201220174519
Authority: CN
Inventors: 洪荣豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-12
Filing date: 2012-04-12
Publication date: 2013-01-02
Anticipated expiration: 2022-04-12

Abstract

The utility model discloses a clipping device for a circular knitting machine of towels. The clipping device comprises sinkers and cut-off blades matched with the sinkers, wherein each cut-off blade comprises a head part protruding upwards and a tail part being lower than the head part and extending backwards; a cutter arbor is formed at the upper end of the head part of each cut-off blade; a second convex pin protruding upwards is formed at the tail part of each cut-off blade; a knife edge matched with each sinker is arranged at the front end of the cutter arbor of each cut-off blade and provided with a cutting edge inclined to the tail part from the bottom up. The clipping device can achieve knitting of reversely-wrapped cloth cover and clipping at the same time, is better in the cut-off effect and improves the working efficiency.

Description

The sheep shearing unit of tubular knitting towel braiding machine

Technical field:

The utility model relates to the knitting machine technical field, refers in particular to the sheep shearing unit that a kind of structure is more simple, stable, durable, cut off the better tubular knitting towel braiding machine of effect.

Background technology:

In the present tubular knitting towel braiding machine, comprise frame main body, be provided with the syringe of an annular at the frame main body center, the lateral wall of syringe is provided with the needle tray for accommodating knitting needle.The upper end of syringe is formed with the horizontal support platform, offers the sinker groove of installing for sinker on brace table.Then be provided with inner disc in the sinker upper end, be provided with knitting cam between upper inner disc and the sinker.Upper knitting cam is the triangle moulding substantially, and it has crooked end face, is formed with the projection corresponding with end face on the sinker.When circle is compiled braiding machine work, syringe will produce relative rotation with upper inner disc, in the process of rotating, knitting needle and sinker that syringe will drive in the needle tray rotate, because the projection on the sinker is passed through with it corresponding end face interlock, so when syringe rotated, upper knitting cam will be to the restriction that convexes to form running orbit on the sinker, the order projection moves forward and backward along the end face generation of upper knitting cam, thereby makes sinker form the front and back operation.Meanwhile, knitting needle will form under lower knitting cam promotes and move up and down, and sinker and knitting needle interact like this, form weave effect.At present, when braiding is just being wrapped towel suiting, lock end anti-packet towel cloth, lock end anti-packet towel and is being cut off the different cloth of these three kinds of looped pile clothes, need to use different upper knitting cams, to cooperate different sinkers, the track that forms in the different upper knitting cams is also different, they are also different to the driving that sinker produces, and the cloth weave effect that realizes at last is also different.

Particularly, at present, when anti-packet towel cut off the looped pile cloth at the end, its operation that adopts was: at first, be knitted into towel suiting on knitting machine for tubular knitting towel, and then place another shearing machine to carry out the cropping operation cloth at the braiding lock.This operating type not only bothers, and efficient is low.In addition, in the cropping process, when cutting off the looped pile part, be difficult to guarantee that the burr of institute's mechanical-cutting terry are neat, need repeatedly to prune, cause production efficiency to reduce.In addition, in the present manufacturing enterprise, shortage of resources and labour manually improve constantly, and so as seen, this product cost is high, yields poorly, and so processing method does not chase after the demand in current market far away, and is very undesirable.

In addition, the inventor once proposed a kind of " sheep shearing unit of knitting machine for tubular knitting towel ", see that China Patent No. is: 200720097532.7 utility model patent specification, its technical scheme that adopts is: giving birth to gram plate installation one Yarn cutter, the front end of this Yarn cutter has thinner blade, offer in the appropriate position, top of fluffing pin one run through cut burr, when the knitting needle hook draws yarn braiding towel cloth cover, can with the groove of fluffing pin in form a looped pile, making Yarn cutter advance, its blade is passed cut burr, cut off the loopy yarn on the fluffing pin, reach the action that the knitting needle crocheting place's of knitting looped pile and cropping are finished in the lump.This technical scheme adopts 90 degree vertical shear, raises the efficiency.This technical scheme adopts 90 degree vertical shear, when blade is sheared looped pile forward with vertical direction, because shearing force is vertically to act on the looped pile, its point of contact concentrates on a bit, not that looped pile is cut off in some situation, but " breaking ", so this shear effect does not reach perfection yet.

Based on above-mentioned prior art, the inventor proposes a kind of new technical scheme through research and development, and is more simple, stable, durable with the sheep shearing unit structure that makes knitting machine, cut off that effect is better, operating efficiency is higher.

The utility model content:

Technical problem to be solved in the utility model is exactly in order to overcome the existing deficiency of present product, and the sheep shearing unit that a kind of structure is more simple, stable, durable, cut off the better tubular knitting towel braiding machine of effect is provided.

For solving the problems of the technologies described above, the utility model has adopted following technical scheme: it comprises: sinker and the cutter blades that cooperates with sinker, described cutter blades comprises: the head that raises up and the afterbody that is lower than head and extends back, head upper end in cutter blades is formed with a knife bar, is formed with the second protruding pin that raises up on the afterbody of cutter blades; The front end of the knife bar of described cutter blades has the edge of a knife that cooperates with sinker, and this edge of a knife has from bottom to top the blade that tilts to caudal directions.

Furthermore, in the technique scheme, be formed with a clearance position between described knife bar and the cutter blades head upper end.

Furthermore, in the technique scheme, the described edge of a knife comprises: first edge of a knife and second edge of a knife, form a L-shaped viscous shear space between described first edge of a knife and second edge of a knife, and described first edge of a knife, one side is provided with the blade that is tilted to; Described second edge of a knife, one side is provided with the cutting edge under being tilted to; The blade of described first edge of a knife is connected with the second edge of a knife blade, forms described viscous shear space.

Furthermore, in the technique scheme, described knife bar is near the bending of edge of a knife position formation to the sinker direction.

Furthermore, in the technique scheme, the angle of inclination of blade is in the described edge of a knife: the 20-55 degree.

Furthermore, in the technique scheme, described sinker comprises: the head that raises up and the afterbody that is lower than head and extends back, on the sinker head, be formed with the lopping mouth corresponding with the cutter blades edge of a knife, and be formed with the first protruding pin that raises up in the afterbody of sinker.

Furthermore, in the technique scheme, described sinker lopping mouth has a hook wire casing, convexes to form forward the duct ring tongue in hook wire casing top, extends upward in duct ring tongue top to form to stop projection.

Furthermore, in the technique scheme, form the first guide groove between described sinker head and the first protruding pin; Form the second guide groove between described cutter blades head and the second protruding pin; Described the first guide groove is consistent with the second guide groove width, and the described second protruding pin is more roomy than the first protruding pin.

Furthermore, in the technique scheme, this sheep shearing unit also comprises: be used for the syringe of carrying sinker and cutoff tool and the upper knitting cam that drives sinker and cutter blades level run, be formed with the brace table for carrying sinker and cutter blades on described syringe, sinker and cutoff tool are fitted in pairs and are positioned in the chute of evenly offering on the described brace table; Described upper knitting cam is the fluctuating bending, is equipped with to form the positive and negative enclosed mass of interfering to its inner face on described upper knitting cam; In also being installed on the described upper knitting cam, the spacing that can regulate between itself and the outer face cuts off piece.

After the utility model adopted technique scheme, its beneficial effect that has was as follows:

1, the knitting needle of knitting machine is woven into anti-package looped pile cloth cover and the cropping operation is finished in the lump, has reduced extra cropping flow chart, has not only saved cost, has also greatly improved the operating efficiency of knitting machine.

2, of the present utility model simple in structure, easy for installation, in addition, reduced the overall volume of cutter blades, not only saved material, and it is more flexible that cutter blades is moved, it is easier to operate.

3, in the utility model, cutter blades is in sinker is installed in chute, drive cutter blades and sinker by the protruding rail that forms on the upper knitting cam dish lower surface, thereby realize the action of lopping, braiding and cropping, and make the looped pile that weaves anti-packet towel consistent with the length of yarn after shearing is finished.

4, in the utility model, the edge tilted of cutter blades up, in shearing the looped pile process, along with moving ahead of cutoff tool, blade will form a kind of linearity " cutting " effect to looped pile, cut with respect to present " point ", this cut mode is more stable.

5, in the utility model, the edge tilted of cutter blades up, and the bending design of blade by blade portion makes knife edge just fit in the lopping mouth side of sinker, it had better cut off effect.

Description of drawings

Fig. 1 is the stereogram that the utility model is installed on the tubular knitting towel braiding machine;

Fig. 2 is the structural representation that the utility model is installed on the tubular knitting towel braiding machine;

Fig. 3 is the front view of sinker among the utility model embodiment one;

Fig. 4 is the front view of cutter blades among the utility model embodiment one;

Fig. 5 is the schematic diagram that single sinker cooperates with cutter blades among the utility model embodiment one;

Fig. 6 is the front view of upper knitting cam among the utility model embodiment one;

Fig. 7 is the fundamental diagram of the utility model embodiment one.

1 syringe, 10 knitting needles, 100 crochet hooks, 11 needle trays

12 brace tables, 13 grooves, 121 chutes, 2 sinkers

21 heads, 22 afterbodys, 23 lopping mouths, 231 hook wire casings

231 duct ring tongues 232 stop projection 24 first projections 240 first guide grooves

3 cutter blades, 30 knife bars, 31 heads, 32 afterbodys

33 edges of a knife, 330 blades, 34 second projections, 340 second guide grooves

Knitting cam 41 positive and negative enclosed mass 42 cut off piece 43 extension boards on 4

Inner disc 6 looped piles 61 the end of a thread on 44 locating slots 5

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further specified.

The utility model is the sheep shearing unit that is applied in the tubular knitting towel braiding machine, it comprises: the upper knitting cam 4 of syringe 1, sinker 2, cutoff tool 3, driving sinker 2 and cutter blades 3 level runs and the brace table 12 that is used for carrying sinker 2 and cutter blades 3, evenly offer chute 121 on described brace table 12, sinker 2 and cutoff tool 3 are fitted in pairs and are positioned in the described chute 121.

Syringe 1 is circle ring column, evenly offers needle tray 11 at the outer surface of syringe 1, in each needle tray 11 knitting needle 10 is installed.Be formed with the groove 13 of an annular along the upper end of syringe 1 outer surface, position level that should groove 13 is stretched out is formed with brace table 12.These brace table 12 upper ends are formed with the sinker groove 121 of installing for sinker 2.Simultaneously, the needle tray 11 of offering on the syringe 1 will run through brace table 12, so that knitting needle 10 can upwards run to the tip position of syringe 1, cooperate with sinker 2, carry out weaving operation.

Described sinker 2 in the form of sheets, it comprises: the head that raises up 21 and be positioned at chute 121 and be lower than the afterbody 22 of head 21, be formed with the lopping mouth 23 that cooperates with knitting needle 10 crochet hooks 100 in head 21 upper ends of sinker 2, be formed with the first protruding pin 24 that raises up in the afterbody 22 of sinker 2; The lopping mouth 23 of described sinker 2 has a hook wire casing 231, convexes to form forward duct ring tongue 232 in hook wire casing 231 tops, extends upward in duct ring tongue 232 tops to form to stop projection 233.

Described cutter blades 3 also in the form of sheets, its moulding is corresponding with sinker 2 shapes.Cutter blades 3 comprises: the head that raises up 31 and be positioned at chute 121 and be lower than the afterbody 32 of head 31, be formed with a knife bar 30 in head 31 upper ends of cutter blades 3, and on the afterbody 32 of cutter blades 3, be formed with the second protruding pin 34 that raises up.Knife bar 30 belows of described cutter blades 3 are formed with the clearance position 333 corresponding with described hook wire casing 231, the gap of this clearance position 333 is greater than hook wire casing 231, why clearance position 333 is formed larger scarce sky, its effect is: bonded to each other and when carrying out operation with knitting needle 10 when cutter blades 3 and sinker 2, in forming the looped pile process, looped pile has one by the drop-down process of crochet hook, because the scarce sky of clearance position 333 is larger, can avoid forming friction between looped pile and the cutter blades 3, guarantee that whole braiding process is smooth and easy.

The front end of the knife bar 30 of described cutter blades 3 has the edge of a knife 33 that cooperates with sinker 2, and this edge of a knife 33 has from bottom to top the blade 330 that tilts to afterbody 32 directions.The described edge of a knife 33 is formed at the end of knife bar 30, and knife bar 30 upper ends extend to the edge of a knife 33 and are horizontal line, and the edge of a knife 33 lower tilt are to downward-extension, and namely the edge of a knife 33 is wide than knife bar 30.The angle of inclination of blade 330 is in the described edge of a knife 33: the 20-55 degree.

In order to make the edge of a knife 33 better and sinker 2 formation cut-out effects, in the front end of cutter blades 3 knife bars 30 position near the edge of a knife 33, form certain bending to sinker 2, the blade 330 of the edge of a knife 33 just can abut in the side of sinker 2 lopping mouths 23 more closely like this, thereby guarantees better to cut off effect.

Form the first guide groove 240 between described sinker 2 heads 21 and the first protruding pin 24; Form the second guide groove 340 between described cutter blades 3 heads 31 and the second protruding pin 34; Described the first guide groove 240 is consistent with the second guide groove 340 width, and the protruding pin of the described second protruding pin 34 to the first 24 is roomy.

Be formed with a protruding rail 41 on described upper knitting cam dish 4 lower surfaces and in the spacing limited block 42 that is used for of protruding rail 41 sides, the spacing space 40 of formation between limited block 42 and the protruding rail 41; Described upper knitting cam dish 4 is installed in described the first guide groove 240 and the second guide groove 340 by protruding rail 41.

Described upper knitting cam 4 is the fluctuating bending, upper knitting cam 4 has crooked inner face and outer face, width between inner face and the outer face and the first guide groove 240, the second guide groove 340 width are corresponding, after the braiding machine assembling, upper knitting cam 4 will fall in the first guide groove 240, the second guide groove 340.When syringe 1 rotates, produce relative rotation between the upper knitting cam 4 that is fixed on inner disc bottom on the braiding machine and the syringe 1, upper knitting cam 4 will promote sinker 2 by self bending moulding and cutter blades 3 generations move horizontally.

On described upper knitting cam 4, be equipped with and form the positive and negative enclosed mass 41 of interfering to its inner face, this positive and negative enclosed mass 41, by adjust most advanced and sophisticated projection that the position of positive and negative enclosed mass 41 in locating slot 44 make positive and negative enclosed mass inner end by on knitting cam 4 inner faces stretch out or retract, namely can make the inner end of positive and negative enclosed mass 5 highlight on inner face, inner face is formed interference, perhaps it is retracted in the locating slot 44, makes inner face be in and seamlessly transits.

Stretching out in the outer face of upper knitting cam 4 is formed with an extension board 43, and capable of regulating is equipped with and cuts off piece 42 on this extension board 43, regulates spacing between itself and the outer face in the installation site on the extension board 43 by adjusting described cut-out piece 24.Offer one on this extension board 43 and can hold the chute that cuts off piece 42.Cut off the position of piece 42 in chute by regulating, thereby change the spacing between its inner end and upper knitting cam 4 outer faces.

During installation, be mounted to sinker 2 and cutter blades 3 to placing in each chute 121, it limits to the two by chute 121, prevents that its generation from swinging.

Upper knitting cam 4 is tabular, and it is fixed on upper inner disc 5 lower surfaces of braiding machine.To produce relative rotation with syringe 1 during upper inner disc 5 work.Upper knitting cam 4 is covered on sinker 2 and cutter blades 3 tops, and it will be arranged in the first guide groove 240 and the second guide groove 340.

During the utility model work, syringe 1 will produce relative rotation with upper inner disc 5, and in the process of rotating, syringe 1 will drive sinker 2 and cutter blades 3 is rotated, because upper knitting cam 4 falls into the first guide groove 240 and the second guide groove 340.So after syringe 1 rotated, the second guide groove 340 on the first guide groove 240 on the sinker 2 and the cutter blades 3 produced along upper knitting cam 4 operations simultaneously and moves forward and backward.In this simultaneously, knitting needle 10 moves up and down along 11 generations of knitting needle groove under the driving of lower knitting cam.The crochet hook section of knitting needle 10 and the lopping mouth 23 on the sinker 2 cooperatively interact, and form the braiding looped pile, then in cutter blades 3 runnings, will cooperate with sinker 2 looped pile that will form to cut off.

Below in conjunction with the specific works process the utility model is further detailed.

Cooperation is referring to Fig. 7, and this is that the fundamental diagram when anti-packet towel cuts off the looped pile cloth at the end is locked in the utility model braiding, and at first, the crochet hook section of knitting needle 10 upper ends in the syringe 1 is up to lopping mouth 23 parts of sinker 2.This moment sinker 2 with cutter blades 3 jointly forward operations bonded to each other (blade 330 that is cutter blades 3 edges of a knife 33 keeps being close to sinker 2 surfaces, and blade 330 do not extend beyond lopping mouth 23 stop projection 233 and duct ring tongue 232).Knitting needle 10 hooks yarn by crochet hook 100 from top to bottom, and forms looped pile 6 when dropping to the lower surface of hook wire casing 231 positions.Meanwhile, the last looped pile 6 that forms will be set on the duct ring tongue 232 of the lopping mouth 23 on the sinker 2, and by stopping that 233 pairs of looped piles 6 of projection limit, put in order by the last looped piles 6 that form of 232 pairs in duct ring tongue, smooth with the staple length after guaranteeing to cut off.In this process, cutter blades 3 does not participate in work, its will with sinker 2 synchronous operations.In this process, cutter blades 3 does not participate in work, its will with sinker 2 synchronous operations.Namely in this process, upper knitting cam 4 drives sinker 2 and cutter blades 3 is carried out synchronous operation.Run at last, protrude owing to cut off the outside end face of the inner end of piece 42, cause cutting off the inner end of piece and the spacing between upper knitting cam 4 outer faces will be dwindled.Simultaneously, the second projection 24 of cutter blades 3 afterbodys is slightly long, spacing between the outside end face of inner end of cut-out piece 42 is dwindled to form cutter blades 3 and is interfered, so when the afterbody of cutter blades 3 runs to cut-out piece 42 inner end, this inner end will form a promotion to cutter blades 3, promote cutter blades 3 and move forward.And meanwhile, the afterbody of sinker 2 does not form with cut-out piece 42 interferes, it still keeps original track operation, cutter blades 3 will form the amplitude of moving forward in cut-out piece 42 positions like this increases suddenly, thereby produce the relative motion (suddenly forward operation) with sinker 2, form a kind of shear effect, thereby the looped pile 6 that sinker 2 braidings are formed cuts off.Be that stop projection 233 and duct ring tongue 232 sides that the blade 330 of the edge of a knife 33 on the cutter blades 3 surpasses lopping mouth 23 just form a kind of scissors effect, looped pile sheathed on the duct ring tongue 232 6 sheared come, form the end of a thread 61.Then, knitting needle 10, sinker 2 and cutter blades 3 reset, and wait for braiding next time.

Present embodiment can a weaving forming, and directly realizes not only operation being reduced effect that looped pile is cut off, and reduce the wastage, save cost, is conducive to create higher economic benefit.Simultaneously, if the position of the positive and negative enclosed mass 41 in the upper knitting cam 4, cut-out piece 42 is adjusted, just can realize just wrapping other dissimilar weave effect such as braiding, anti-package braiding.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every any simple modification, equivalent variations and modification of doing according to the utility model all still belongs in the scope of technical solutions of the utility model.

Claims

1. the sheep shearing unit of tubular knitting towel braiding machine, it comprises: sinker (2) and the cutter blades (3) that cooperates with sinker (2), it is characterized in that: described cutter blades (3) comprising: the head that raises up (31) and the afterbody (32) that is lower than head and extends back, head (31) upper end in cutter blades (3) is formed with a knife bar (30), is formed with the second protruding pin (34) that raises up on the afterbody (32) of cutter blades (3); The front end of the knife bar (30) of described cutter blades (3) has the edge of a knife (33) that cooperates with sinker (2), and this edge of a knife (33) has from bottom to top the blade (330) that tilts to afterbody (32) direction.

2. the sheep shearing unit of tubular knitting towel braiding machine according to claim 1 is characterized in that: be formed with a clearance position (333) between described knife bar (30) and cutter blades (3) head (31) upper end.

3. the sheep shearing unit of tubular knitting towel braiding machine according to claim 1, it is characterized in that: the described edge of a knife (33) is formed at the end of knife bar (30), knife bar (30) upper end extends to the edge of a knife (33) and is horizontal line, the edge of a knife (33) lower tilt is to downward-extension, and namely the edge of a knife (33) is wide than knife bar (30).

4. the sheep shearing unit of tubular knitting towel braiding machine according to claim 3 is characterized in that: described knife bar (30) forms bending to sinker (2) direction near the edge of a knife (33) position.

5. the sheep shearing unit of tubular knitting towel braiding machine according to claim 1 is characterized in that: the angle of inclination of blade (330) is in the described edge of a knife (33): the 20-55 degree.

6. the sheep shearing unit of the described tubular knitting towel braiding machine of any one according to claim 1-5, it is characterized in that: described sinker (2) comprising: the head that raises up (21) and the afterbody (22) that is lower than head and extends back, be formed with the lopping mouth (23) corresponding with cutter blades (3) edge of a knife (33) on sinker (2) head (21), the afterbody (22) in sinker (2) is formed with the first protruding pin (24) that raises up.

7. the sheep shearing unit of tubular knitting towel braiding machine according to claim 6, it is characterized in that: described sinker (2) lopping mouth (23) has a hook wire casing (231), convex to form forward duct ring tongue (232) in hook wire casing (231) top, extend upward formation in duct ring tongue (232) top and stop projection (233).

8. the sheep shearing unit of a kind of tubular knitting towel braiding machine according to claim 7 is characterized in that: form the first guide groove (240) between described sinker (2) head (21) and the first protruding pin (24); Form the second guide groove (340) between described cutter blades (3) head (31) and the second protruding pin (34); Described the first guide groove (240) is consistent with the second guide groove (340) width, and the described second protruding pin (34) is more roomy than the first protruding pin (24).

9. the sheep shearing unit of tubular knitting towel braiding machine according to claim 8, it is characterized in that: this sheep shearing unit also comprises: be used for the syringe (1) of carrying sinker (2) and cutoff tool (3) and the upper knitting cam (4) that drives sinker (2) and cutter blades (3) level run, be formed with the brace table (12) for carrying sinker (2) and cutter blades (3) on described syringe (1), sinker (2) and cutoff tool (3) are fitted in pairs and are positioned in the chute (121) of evenly offering on the described brace table (12); Described upper knitting cam (4) is the fluctuating bending, is equipped with to form the positive and negative enclosed mass (41) of interfering to its inner face on described upper knitting cam (4); In also being installed on the described upper knitting cam (4), the spacing that can regulate between itself and the outer face cuts off piece (42).