CN203333944U

CN203333944U - Flat knitting machine sinker device

Info

Publication number: CN203333944U
Application number: CN201320133748XU
Authority: CN
Inventors: 章建伟; 徐倍灿
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-22
Filing date: 2013-03-22
Publication date: 2013-12-11
Anticipated expiration: 2023-03-22

Abstract

The utility model discloses a flat knitting machine sinker device which overcomes the defects that a sinker device in the prior art can not have the advantages of being of an upper-lower row structure and being of a left-right row structure at the same time, can not guarantee large needle pressing width, and meanwhile can not guarantee the pushing depth of a sinker sheet to be adjusted conveniently. The flat knitting machine sinker device comprises a driving motor, a transmission mechanism, a sinker sliding strip and at least one sinker triangle set. The sinker triangle set comprises a pair of main sinker triangles and a middle sinker triangle, the pushing face, close to one end of the main sinker triangle of the same set, of each main sinker triangle is provided with a notch, the notches of the sinker triangles in the same set are mutually communicated to form a containing space, the middle sinker triangle is embedded into the containing space, the middle sinker triangle is in sliding connection with the sinker sliding strip, and the middle sinker triangle is provided with a reset structure. The flat knitting machine sinker device has the advantages of being large in needle pressing width, suitable of bodkin processing, capable of adjusting the pushing depth of the sinker sheet conveniently by adjusting driving motor parameters and the like.

Description

A kind of Sinker device of flat knitting machine

Technical field

The utility model relates to a kind of flat machine parts, relates in particular to a kind of Sinker device of flat knitting machine.

Background technology

Giving birth to the gram device is the vitals on flat machine, gives birth to the gram device and mainly comprises driving mechanism, transmission mechanism and Sheng Ke triangle (triangle of pushing pin), and driving mechanism drives and gives birth to the reciprocating motion of gram triangle by transmission mechanism.Pressure surface by the living gram triangle that moves reciprocatingly promotes sinker, carries out line ball work.Existing living gram device is divided into up-downgoing and two kinds of structures of left and right row.The shortcoming that the gram device is given birth in existing up-downgoing is that pressing width (twill face) only has 25mm, is applied to the phenomenon that bodkin there will be the latch needles yarn clipping when knitting; Existing left and right row is given birth to the gram device has increased the pressing width to 50mm, but its degree of depth that promotes sinker fixes, and needs manual teardown to give birth to the bindiny mechanism between gram device and sinker, could regulate the sinker degree of depth, the uniformity of the very difficult assurance sinker degree of depth.Therefore the existing defect of living gram device of prior art is: can't have the advantage of the living gram device of up-downgoing and two kinds of structures of left and right row concurrently, can't guarantee that when guaranteeing larger pressing width sinker promotes the degree of depth adjustable.

Chinese patent Granted publication number: CN 202047207U, Granted publication day: on November 23rd, 2011, a kind of Sinker device of flat knitting machine is disclosed, comprise living gram motor, the output shaft gear of described living gram motor drives transmission system, described transmission system connects living gram draw runner and the living gram draw runner of drive horizontally slips, and described living gram draw runner below is provided with a slide block, is provided with mobile side steering between described living gram draw runner and described slide block and horizontally slipping of described living gram draw runner is changed into to the front and back slip of slide block.Described transmission system comprises the travelling gear with described output shaft gear engaged transmission, described travelling gear and a tooth bar engaged transmission, and tooth bar is fixed with living gram draw runner.Described mobile side steering comprises at least one chute arranged on living gram draw runner, and described slide block is provided with at least one traveller, and traveller is located in described arc chute, and chute slides before and after traveller slip band movable slider.The utility model is compared with living gram device in the past, has reduced transmission process, not only improved the degree of accuracy of transmission, and structure is also simpler.Its weak point is: the pressing width is less, there will be the phenomenon of latch needles yarn clipping during bodkin.

The utility model content

The utility model is in order to overcome living gram device of the prior art, can't have the advantage of the living gram device of up-downgoing and two kinds of structures of left and right row concurrently, can't when guaranteeing larger pressing width, guarantee that sinker promotes the convenient deficiency of regulating of the degree of depth, provide and there is larger pressing width, and the easy a kind of Sinker device of flat knitting machine regulated of the sinker degree of depth.

For achieving the above object, the utility model is by the following technical solutions:

A kind of Sinker device of flat knitting machine of the present utility model, comprise drive motors, transmission mechanism, give birth to gram draw runner and at least one group of living gram triangle group, described living gram triangle group comprises in a pair of main living gram trigonometric sum one gives birth to the gram triangle, the pressure surface of each main living gram triangle is provided with breach at its close end of main living gram triangle on the same group, the breach of giving birth on the same group the gram triangle is interconnected and forms an accommodation space, described middle living gram triangle is flush-mounted in this accommodation space, middle living gram trigonometric sum is given birth to the gram draw runner and is slidably connected, and middle living gram triangle is provided with resetting structure.The gram device is given birth in up-downgoing of the prior art: drive motors drives the living gram triangle group of giving birth on the gram draw runner by transmission mechanism.Make a pair of main living gram triangle of giving birth to gram triangle group do alternate reciprocating motion, can drive parameter by adjusting like this, regulate the degree of depth that main living gram triangle promotes sinker.Middle living gram triangle is flush-mounted in the accommodation space that two breach form, when so main living gram three angle pressure surface directions in place are slided, giving birth to the gram triangle during capital promotes slides, make middle living gram trigonometric sum master give birth to the pressure surface acting in conjunction of gram triangle in sinker, thereby increased progradation width when each main living gram triangle advances, increased the pressing width of living gram device.Middle living gram triangle is provided with resetting structure, give birth to like this gram triangle and promoted by the main living gram triangle of a side in each, after the living gram triangle of this side master resets, middle living gram triangle also can automatically reset, in order to promoted by the main living gram triangle of opposite side, again play the effect that increases the pressing width.Middle living gram triangle moves and so forth, pressing width while having increased each main living gram triangle propelling, the propelling degree of depth of giving birth to the living gram triangle of gram trigonometric sum master simultaneously is identical, and its sinker of living gram device that therefore can take into account the up-downgoing structure promotes the advantage that degree of depth is easily regulated.

As preferably, to give birth to the gram draw runner and be provided with the chute that a vertical centering control is given birth to gram triangle pressure surface, middle living gram triangle is provided with a slide block, and slide block is through chute; Described resetting structure comprises a torsion spring, and torsion spring is fixedly connected on the slide block top, gives birth to the limiting structure that the gram draw runner is provided with restriction torsion spring end positions.Middle living gram trigonometric sum is given birth to the gram draw runner and is realized being slidably connected by slide block and chute, and chute plays guide effect and makes middle living gram triangle can not be offset by occurrence positions when being promoted by main living gram triangle.Torsion spring is fixedly connected on the slide block top, and the torsion spring two ends are subject to the limiting structure effect, and torsion spring plays reset response, and middle living gram triangle also can be automatically reset when main living gram triangle resets.Torsion spring is low as resetting structure cost easy to process, after long-time the use, and also dismounting and change easily.

As preferably, described limiting structure comprises a limit base, described limit base is arranged on the relatively middle another side of giving birth to the gram triangle of living gram draw runner, the one side of the living gram draw runner of limit base laminating is provided with the cylindrical hole of a connection chute, the cylindrical hole sidewall is provided with a pair of spacing hole, the vertical chute of the axis of spacing hole is vertical, and the two ends of torsion spring snap in spacing hole.The two ends of torsion spring snap in spacing hole, and move at spacing hole restriction torsion spring two ends.At middle living gram triangle, be subject to a side master to give birth to gram three angular powders and while sliding, the torsion spring two ends are compressed, and, after the motive force that this side master gives birth to the gram triangle is removed, torsion spring resets, thereby in driving, living gram triangle automatically reset.

As preferably, main living gram triangle extends to form saddle away from the one side of giving birth to the gram draw runner in indentation, there, and the bottom surface of described middle living gram triangle is provided with the step that coordinates saddle.Saddle and step coordinate, and are to give birth in gram triangle process in main living gram triangle promotion in order to prevent, middle living gram triangle, in vertical position skew of giving birth to gram draw runner direction, is guaranteed middle living gram triangle glide direction accurate stable in the course of the work.

As preferably, main living gram triangle on the same group is provided with the projection that a pair of male and female coordinate in close side mutually at it, and described projection vertical centering control is given birth to gram triangle glide direction, and the projection side leans middle living gram triangle.Middle living gram triangle to the motion advanced by promoting by one-sided main living gram triangle, middle living gram triangle unbalance stress, and be subject to departing from the direction of propulsion moment of components, give birth to the gram triangle in after long-term work and easily wear and tear.Main living gram triangle is at its projection that male and female of close side setting coordinate mutually on the same group, increased in the main living gram trigonometric sum of a side and given birth to the contact area of gram triangle at opposite side, that the direction that the living gram triangle of main living gram triangle centering promotes to make a concerted effort more approaches middle living gram triangle direction of propulsion, reduce to depart from the moment of components of direction of propulsion, reduce the service wear of middle living gram triangle.

As preferably, described drive motors is reciprocable machine, drive mechanism comprises guide plate and gear drive, described guide plate and Sheng Ke draw runner be arranged in parallel, between guide plate and drive motors, gear drive is set, along guide plate, vertically is provided with corresponding arc guide channel of giving birth to gram triangle group quantity; Give birth to the gram draw runner and be provided with some vertical living gram draw runners bar shaped groove longitudinally, main living gram triangle is positioned at the living gram draw runner one side relative with guide plate, main living gram triangle is provided with sliding seat, sliding seat and bar shaped groove are slidably connected, and in the sliding seat of main living gram triangle on the same group and same guide channel, are slidably connected.Drive motors, by gear drive Driving guide plate, reciprocatingly slides the parallel living gram draw runner of guide plate, and in the guide plate sliding process, sliding seat is subject to the guiding function of guide channel and bar shaped groove simultaneously.Because guide channel is shaped as arcly, in the guide plate sliding process, sliding seat can vertically reciprocatingly slide along the vertical gram draw runner bar of giving birth to.

As preferably, described sliding seat comprises the sliding seat main body of cube shaped, at sliding seat main body end face, is provided with a bearing, and bottom surface is provided with a column-shaped projection, and bearing is positioned at guide channel, and column-shaped projection embeds in the bar shaped groove.When guide plate moves reciprocatingly, guide channel is by the motion of bearing sliding seat, and the bar shaped groove moves by column-shaped projection guided slidable seat, thereby makes main living gram triangle be subject to the guiding function of guide channel and bar shaped groove simultaneously, and moves reciprocatingly.And the degree of depth that main living gram triangle promotes sinker is to be determined by its reciprocating propelling stroke, its reciprocating propelling stroke is determined by bearing sliding area in guide channel.Therefore, can regulate the reciprocal operation area of guide plate by regulating the drive motors parameter, thereby control the sliding area of bearing in guide channel, thereby regulate easily sinker and promote the degree of depth, and do not need the syndeton of dismantling living gram device and sinker to be regulated again.

As preferably, described gear drive comprises tooth bar and driving gear set, along guide plate, vertically is fixedly installed described tooth bar, and drive motors drives tooth bar by driving gear set.Drive motors drives tooth bar by driving gear set, thus the reciprocating motion of Driving guide plate.

Therefore, the utlity model has following beneficial effect: (1) pressing width is large, is applicable to bodkin processing; (2) can be by regulating the drive motors parameter, the convenient sinker of regulating promotes the degree of depth; (3) Stability Analysis of Structures, long service life.

The accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is explosive view of the present utility model.

Fig. 3 is the partial enlarged drawing of Fig. 2.

Fig. 4 is upward view of the present utility model.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described further.

Embodiment: as shown in Figure 1, a kind of Sinker device of flat knitting machine of the present utility model, comprise drive motors 1, driving gear set, tooth bar 3, guide plate 4, give birth to gram draw runner 5 and two groups of living gram triangle groups.Tooth bar 3 is fixedly connected on guide plate 4 upper surfaces, and tooth bar 3 is vertical along guide plate 4.Drive motors 1 is reciprocable machine, and drive motors 1 drives tooth bar 3 by driving gear set.Described driving gear set, comprise that the first gear 21, coaxial the second gear 22 and the 3rd gear 23, the first gears 21 that arrange are arranged on drive motors 1 output shaft, first gear 21 engagement the second gear 22, the three gear 23 pinion racks 3.Thereby drive motors 1 can reciprocatingly slide by Driving guide plate 4.

Be vertically arranged with two arc guide channels 41 along it on guide plate 4.Each guide channel 41 comprises that one section along guide plate 4 longitudinal component longitudinally, obliquely at the two ends of this longitudinal component extends to form oblique part.

As shown in Figure 2 and Figure 3, be provided with gram draw runner 5 throughout one's life in guide plate 4 parallel beneath.Give birth to gram draw runner 5 vertical its and vertically be provided with two place's chutes 51, in the bilateral symmetry of chute 51, be provided with a pair of bar shaped groove 52.Give birth to gram draw runner 5 upper surfaces and be provided with limit base 6 at chute 51 places, described limit base 6 is provided with vertical cylindrical hole 61, and described cylindrical hole 61 is through hole, and upper end is in limit base 6 upper surface open, and lower end is communicated with chute 51.Cylindrical hole 61 sidewalls are provided with a pair of spacing hole 62, and the vertical chute 51 of the axis of spacing hole 62 is vertical.Limit base 6 end faces are provided with pair of projections 63 in cylindrical hole 61 both sides, and boss 63 snaps in guide channel 41, and boss 63 end faces are connected by screw one " L " shape stator 11.To give birth to gram draw runner 5 by stator 11 is fixed on appliance stand.Simultaneously, stator 11 and limit base 6 clamping guide plates 4 can slide guide plate 4 above giving birth to gram draw runner 5.

Be provided with a sliding seat 7 on each bar shaped groove 52.Described sliding seat 7 comprises the sliding seat main body 71 of cube shaped, at sliding seat main body 71 end faces, is provided with a bearing 72, and bottom surface is provided with a column-shaped projection 73.Column-shaped projection 73 embeds in bar shaped groove 52, and sliding seat 7 can be slided along bar shaped groove 52.Bearing 72 is positioned at guide channel 41.

Described living gram triangle group comprises in a pair of main living gram triangle 8 and one gives birth to gram triangle 9.Main living gram triangle 8 connects column-shaped projection 73 bottoms of sliding seat 7.The pressure surface of main living gram triangle 8 is positioned at the side that the oblique part of guide channel 41 tilts.When drive motors 1 Driving guide plate 4 reciprocatingly slides on living gram draw runner 5, sliding seat 7 is subject to guide channel 41 and bar shaped groove 52 guiding function simultaneously.When bearing 72 is positioned at the straight line portion of guide channel 41, the column-shaped projection 73 on sliding seat 7 is positioned at the end of bar shaped groove 52 away from main living gram triangle 8 pressure surfaces, and main living gram triangle 8 is positioned at the reverse extreme position of direction of propulsion.At guide plate 4, slide, the oblique part that makes bearing 72 enter guide channel 41, slided along bar shaped groove 52 by the guiding function sliding seat 7 of oblique part, and main living gram triangle 8 is slided to direction of propulsion.And at bearing 72 during away from guide channel 41 oblique part, the slip that resets of main living gram triangle 8.Bearing 72 distances on two limit bases 6 on the same group are less than guide channel 41 length, make two main living gram triangles 8 on the same group alternately move reciprocatingly, and promote sinker.Can regulate guide plate 4 sliding areas, thereby control the sliding area of bearing 72 in guide channel 41 by regulating the parameter of drive motors 1 simultaneously, thereby regulate the degree of depth that main living gram triangle 8 promotes sinker.

As shown in Figure 4, the pressure surface of each main living gram triangle 8 is provided with breach at its close end of main living gram triangle 8 on the same group, and the breach of main living gram triangle 8 is interconnected and forms an accommodation space on the same group, and described middle living gram triangle 9 is flush-mounted in this accommodation space.The end face of middle living gram triangle 9 is provided with a slide block 10, and slide block 10 is through chute 51.Be provided with a fixed bar 101 at slide block 10 end faces, be socketed with a torsion spring 102 on fixed bar 101, fixed bar 101 end socket gags 103, be fixed on torsion spring 102 by gag 103 end face of slide block 10.The two ends of torsion spring 102 snap in spacing hole 62.Torsion spring 102 plays the effect of resetting structure, when middle living gram triangle 9 is given birth to 8 promotion of gram triangle by a side master, torsion spring 102 is compressed, giving birth to gram triangle 8 directions this side master slides, after making its centering give birth to the 9 impetus power releasings of gram triangle, torsion spring 102 resiliences reset, and middle living gram triangle 9 is automatically reset, so that the opposite side master gives birth to when gram triangle 8 advances in promoting, give birth to gram triangle 9.

Main living gram triangle 8 bottom surfaces extend to form saddle 81 to indentation, there, and the bottom surface of described middle living gram triangle 9 is provided with the step 91 that coordinates saddle 81.Saddle 81 and step 91 coordinate, and are to give birth in gram triangle 9 processes in main living gram triangle 8 promotions in order to prevent, middle living gram triangle 9, in vertical position skew of giving birth to gram draw runner 5 directions, is guaranteed middle living gram triangle 9 glide direction accurate stable in the course of the work.

Main living gram triangle 8 on the same group is provided with the projection 82 that a pair of male and female coordinate in close side mutually at it, and described projection 82 vertical centering controls are given birth to gram triangle 9 glide directions, and projection 82 sides lean middle living gram triangle 9.Main living gram triangle 8 is at its projection 82 that male and female of close side setting coordinate mutually on the same group, increased the main living gram triangle 8 of a side and middle living gram triangle 9 contact area at opposite side, that the direction that the living gram triangle 9 of main living gram triangle 8 centerings promotes to make a concerted effort more approaches middle living gram triangle 9 direction of propulsion, reduce to depart from the moment of components of direction of propulsion, reduce the service wear of middle living gram triangle 9.

In use, drive motors 1 is by driving gear set and tooth bar 3, and Driving guide plate 4 reciprocatingly slides above giving birth to gram draw runner 5.Sliding seat 7 slides along bar shaped groove 52 under guide channel 41 guiding function, thereby drives two main living gram triangle 8 alternate repetition motions on the same group.By regulating the parameter of drive motors 1, regulate guide plate 4 sliding areas, promote the sinker degree of depth thereby regulate main living gram triangle 8.And one-sided main living gram triangle 8 is given birth to gram triangle 9 while advancing in all can promoting.After the progradation of one-sided main living gram triangle 8 is removed, middle living gram triangle 9 is automatically reset by torsion spring 102 reset responses, give birth to when gram triangle 8 advances and again promoted the opposite side master, so repeatedly, there is a side master to give birth to gram triangle 8 and middle living gram triangle 9 actings in conjunction promotion sinkers at every turn, thereby increase sinker pressing width.Made the utility model have concurrently the large and sinker of pressing width promote the easily advantage of adjusting of the degree of depth.

Claims

1. a Sinker device of flat knitting machine, comprise drive motors (1), transmission mechanism, give birth to gram draw runner (5) and at least one group of living gram triangle group, it is characterized in that, described living gram triangle group comprises in a pair of main living gram triangle (8) and one gives birth to gram triangle (9), the pressure surface of each main living gram triangle (8) is provided with breach at its close end of main living gram triangle (8) on the same group, the breach of giving birth on the same group the gram triangle is interconnected and forms an accommodation space, described middle living gram triangle (9) is flush-mounted in this accommodation space, middle living gram triangle (9) and living gram draw runner (5) are slidably connected, middle living gram triangle (9) is provided with resetting structure.

2. a kind of Sinker device of flat knitting machine according to claim 1, it is characterized in that, give birth to gram draw runner (5) and be provided with the chute (51) that a vertical centering control is given birth to gram triangle (9) pressure surface, middle living gram triangle (9) is provided with a slide block (10), and slide block (10) is through chute (51); Described resetting structure comprises a torsion spring (102), and torsion spring (102) is fixedly connected on slide block (10) top, gives birth to the limiting structure that gram draw runner (5) is provided with restriction torsion spring (102) end positions.

3. a kind of Sinker device of flat knitting machine according to claim 2, it is characterized in that, described limiting structure comprises a limit base (6), described limit base (6) is arranged on the relatively middle another side of giving birth to gram triangle (9) of living gram draw runner (5), the one side of limit base (6) the living gram draw runner of laminating (5) is provided with the cylindrical hole (61) of a connection chute (51), cylindrical hole (61) sidewall is provided with a pair of spacing hole (62), the vertical chute of axis (51) of spacing hole (62) is vertical, and the two ends of torsion spring (102) snap in spacing hole (62).

4. according to claim 1 or 2 or 3 described a kind of Sinker device of flat knitting machines, it is characterized in that, main living gram triangle (8) extends to form saddle (81) away from the one side of giving birth to gram draw runner (5) in indentation, there, and the bottom surface of described middle living gram triangle (9) is provided with the step (91) that coordinates saddle (81).

5. according to claim 1 or 2 or 3 described a kind of Sinker device of flat knitting machines, it is characterized in that, main living gram triangle (8) on the same group is provided with the projection (82) that a pair of male and female coordinate in close side mutually at it, described projection (82) vertical centering control is given birth to gram triangle (9) glide direction, and projection (82) side leans middle living gram triangle (9).

6. according to claim 1 or 2 or 3 described a kind of Sinker device of flat knitting machines, it is characterized in that, described drive motors (1) is reciprocable machine, drive mechanism comprises guide plate (4) and gear drive, described guide plate (4) and living gram draw runner (5) be arranged in parallel, between guide plate (4) and drive motors (1), gear drive is set, along guide plate (4), vertically is provided with corresponding arc guide channel (41) of giving birth to gram triangle group quantity; Give birth to gram draw runner (5) and be provided with some vertical living gram draw runners (5) bar shaped groove (52) longitudinally, main living gram triangle (8) is positioned at the one side that living gram draw runner (5) is relative with guide plate (4), main living gram triangle (8) is provided with sliding seat (7), sliding seat (7) and bar shaped groove (52) are slidably connected, and in the sliding seat (7) of main living gram triangle (8) on the same group and same guide channel (41), are slidably connected.

7. a kind of Sinker device of flat knitting machine according to claim 6, it is characterized in that, described sliding seat (7) comprises the sliding seat main body (71) of cube shaped, be provided with a bearing (72) at sliding seat main body (71) end face, bottom surface is provided with a column-shaped projection (73), bearing (72) is positioned at guide channel (41), and column-shaped projection (73) embeds in bar shaped groove (52).

8. a kind of Sinker device of flat knitting machine according to claim 6, it is characterized in that, described gear drive comprises tooth bar (3) and driving gear set, along guide plate (4), vertically is fixedly installed described tooth bar (3), and drive motors (1) drives tooth bar (3) by driving gear set.