阅读说明：本技术 一种用于圆形纬编机的上盘三角结构 (Upper disc triangular structure for circular weft knitting machine ) 是由 周正二 于 2021-06-25 设计创作，主要内容包括：本发明公开一种用于圆形纬编机的上盘三角结构,涉及纺织机械智能化加工领域,包括上盘切块、滑动设置在上盘切块上的滑块以及设置在滑块上的成圈三角,其特征在于：该成圈三角上设置有可供织针走针的轨迹槽,该轨迹槽的最高点为挺针点,且轨迹槽的末端为收针点,该挺针点和收针点的位置可分别单独调节；通过驱动第一滑块和第二滑块实现挺针三角、收针三角在上盘切块上单独移动,继而可以单独调整收针点的位置,使得收针点位置调节不受限制,在保证挺针点的脱圈工艺点的同时,可通过调整收针点的位置来调节收针深度,继而满足不同客户对纱长的不同要求。(The invention discloses an upper disc triangle structure for a circular weft knitting machine, which relates to the field of intelligent processing of textile machinery, and comprises an upper disc cutting block, a sliding block arranged on the upper disc cutting block in a sliding manner, and a looping triangle arranged on the sliding block, and is characterized in that: the looping cam is provided with a track groove for a knitting needle to pass, the highest point of the track groove is a needle jack point, the tail end of the track groove is a needle withdrawal point, and the positions of the needle jack point and the needle withdrawal point can be respectively and independently adjusted; realize through first slider of drive and second slider that needle pushing-out triangle, narrowing triangle move alone on hanging wall stripping and slicing piece, then can adjust the position of narrowing point alone for narrowing point position control is unrestricted, when guaranteeing needle pushing-out point's the process point of doffing, and the narrowing degree of depth is adjusted to the position of accessible adjustment narrowing point, then satisfies different customers to the different requirements of yarn length.)

1. The utility model provides an upper plate triangle structure for circular weft knitting machine, includes the hanging wall stripping and slicing, slides and sets up the slider on the upper plate stripping and slicing and set up the looping triangle on the slider, its characterized in that: the looping cam is provided with a track groove for a knitting needle to pass, the highest point of the track groove is a needle jack point, the tail end of the track groove is a needle withdrawal point, and the positions of the needle jack point and the needle withdrawal point can be respectively and independently adjusted.

2. The upper disc triangular structure of claim 1, wherein: the looping cam comprises a needle pushing cam and a needle retracting cam which are separated, a corresponding track groove comprises a first track sub groove positioned on the needle pushing cam, a second track sub groove positioned on the needle retracting cam, the first track sub groove and the second track sub groove are communicated, a needle pushing point is positioned on the first track sub groove, a needle retracting point is positioned on the second track sub groove, the corresponding needle pushing cam is in sliding connection with the upper disc cutting block through a first sliding block, the needle retracting cam is in sliding connection with the upper disc cutting block through a second sliding block, and the first sliding block and the second sliding block can independently slide on the upper disc cutting block.

3. The upper disc triangular structure of claim 2, wherein: the needle jack point is positioned at the non-end position of the first track sub-groove.

4. The upper disc triangular structure of claim 3, wherein: the caliber of the notch of the second track sub-groove close to the first track sub-groove is larger than that of the notch of the first track sub-groove in contact with the second track sub-groove.

5. The upper disc triangular structure of claim 2, wherein: the first sliding block and the second sliding block are in sliding fit with the upper disc cutting block through the T-shaped grooves.

6. The upper disc triangular structure of claim 2, wherein: the needle pushing triangle is detachably connected with the first sliding block, and the needle retracting triangle is detachably connected with the second sliding block.

7. The upper disc triangular structure of claim 2, wherein: the notch of the first track sub-groove close to the second track sub-groove is connected with two elastic pieces which are arranged up and down, and the two elastic pieces extend into the second track sub-groove and are respectively propped against the side wall of the second track sub-groove.

8. The upper disc triangular structure of claim 2, wherein: the upper disc cutting block is also provided with a floating line triangle, and the floating line triangle is connected with the upper disc cutting block in a sliding way through a sliding block.

Technical Field

The invention relates to the field of intelligent processing of textile machinery, in particular to an upper disc triangular structure for a circular weft knitting machine.

Background

The existing looping cam is mainly formed by combining a needle raising part and a needle retracting part, the looping cam is arranged on an upper disc cutting block in a sliding mode through a sliding block, a graduator spring and a cross sharp tail screw are arranged on the upper disc cutting block, and the rotary graduator drives the cross sharp tail screw to screw in and out, so that the sliding block is driven to move forwards and backwards. The looping cam is fixed on the sliding block, so that the looping cam is driven to move in and out. The knitting needles are operated by a triangular track, so that the fabric is knitted by the yarn. The cloth cover of different customer demands requires different yarn length (often called yarn length), at this moment need adjust the narrowing depth, the narrowing depth refers to the distance from the knitting needle head to the upper dial tube mouth, because the needle jack point and the narrowing point of the present looping triangle are in the same triangle, when adjusting the narrowing point, the needle jack point can be adjusted accordingly, the needle jack point is the process point of the doffing when the yarn is knitted into cloth, so the narrowing point must be ensured to be under the condition of normal doffing when adjusting, thus the adjusting range is limited.

Disclosure of Invention

The invention aims to overcome the defects and provide a double-sided circular weft knitting jacquard machine.

A disc-feeding cam structure for a circular weft knitting machine comprises a disc-feeding cutting block, a sliding block arranged on the disc-feeding cutting block in a sliding mode and a stitch-forming cam arranged on the sliding block, wherein a track groove for a knitting needle to move is formed in the stitch-forming cam, the highest point of the track groove is a needle pushing point, the tail end of the track groove is a needle withdrawing point, and the positions of the needle pushing point and the needle withdrawing point can be adjusted independently.

Preferably, the looping cam comprises a needle pushing cam and a needle retracting cam which are separated from each other, the corresponding track groove comprises a first track sub-groove positioned on the needle pushing cam and a second track sub-groove positioned on the needle retracting cam, the first track sub-groove is communicated with the second track sub-groove, the needle pushing point is positioned on the first track sub-groove, the needle retracting point is positioned on the second track sub-groove, the corresponding needle pushing cam is in sliding connection with the upper disc cutting block through a first sliding block, the needle retracting cam is in sliding connection with the upper disc cutting block through a second sliding block, and the first sliding block and the second sliding block can independently slide on the upper disc cutting block.

Preferably, the needle jack point is located at a non-end position of the first trajectory sub-groove.

Preferably, the caliber of the notch of the second track sub-groove close to the first track sub-groove is larger than that of the notch of the first track sub-groove in contact.

Preferably, the first sliding block and the second sliding block are in sliding fit with the upper disc cutting block through T-shaped grooves.

Preferably, the needle pushing cam is detachably connected with the first sliding block, and the needle retracting cam is detachably connected with the second sliding block.

Preferably, the first track sub-groove is connected with two elastic pieces which are arranged up and down at the position close to the notch of the second track sub-groove, and the two elastic pieces extend into the second track sub-groove and are respectively abutted against the side wall of the second track sub-groove.

Preferably, the upper disc cutting block is further provided with a floating line triangle, and the floating line triangle is connected with the upper disc cutting block in a sliding manner through a sliding block.

By adopting the technical scheme, the invention has the beneficial effects that:

realize through first slider of drive and second slider that needle pushing-out triangle, narrowing triangle move alone on hanging wall stripping and slicing piece, then can adjust the position of narrowing point alone for narrowing point position control is unrestricted, when guaranteeing needle pushing-out point's the process point of doffing, and the narrowing degree of depth is adjusted to the position of accessible adjustment narrowing point, then satisfies different customers to the different requirements of yarn length.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only one or several embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to such drawings without creative efforts.

FIG. 1 is a schematic view of the triangular structure of the upper plate of the present invention;

FIG. 2 is a cut-away view of the upper tray of the present invention;

FIG. 3 is a schematic view of a stitch cam structure according to embodiment 1 of the present invention;

FIG. 4 is a schematic view of a stitch cam structure according to embodiment 2 of the present invention;

FIG. 5 is a schematic structural view of the upper plate triangle structure in use.

Description of the main reference numerals: the needle drawing machine comprises a plate cutting block 1, a stitch cam 2, a needle pushing cam 21, a needle narrowing cam 22, a first track grooving 3, a second track grooving 4, a needle pushing point 5, a needle narrowing point 6, a first sliding block 7, a second sliding block 8, an elastic sheet 9, a floating thread cam 10, a graduator 11, a graduator spring 12, a cross-shaped pointed tail screw 13, a needle plate 14, a knitting needle 15 and a cylinder opening 16.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details or with other methods described herein.

Example 1

The embodiment discloses a knitting structure for a circular weft knitting machine, referring to fig. 5, which mainly comprises an upper disc cam structure, an upper dial 14 arranged below the upper disc cam structure, an upper knitting needle 15 arranged on the upper dial 14, referring to fig. 1, the upper disc cam structure comprises an upper disc cut 1, a sliding block arranged on the upper disc cut 1 in a sliding way, and a stitch forming cam 2 arranged on the sliding block, a floating cam 10 is also arranged on the upper disc cut 1, the floating cam 10 is also connected with the upper disc cut 1 in a sliding way through the sliding block, a track groove for the knitting needle to walk is arranged on the stitch forming cam 2, the highest point of the track groove is a needle jack point 5, the tail end of the track groove is a needle withdrawing point 6, the upper knitting needle 15 can move along the track groove to perform stitch knitting, when the upper knitting needle 15 moves to the needle withdrawing point 6 in the track groove, the distance between the end of the corresponding upper knitting needle 15 and the position of a cylinder opening 16 of the upper dial 14 is the needle withdrawing depth, different draw-in depths correspond to different yarn lengths, and the positions of the needle jack 5 and the draw-in point 6 can be respectively and independently adjusted. With particular reference to fig. 3, the stitch cam 2 comprises a needle jack cam 21 and a needle jack cam 22 which are separated, the needle pushing cam 21 is detachably connected with the first slide block 7, the narrowing cam 22 is detachably connected with the second slide block 8, the needle pushing cam 21 and the narrowing cam 22 are convenient to disassemble and assemble, the corresponding track grooves comprise a first track sub-groove 3 positioned on the needle jack triangle 21, a second track sub-groove 4 positioned on the needle narrowing triangle 22, the first track sub-groove 3 is communicated with the second track sub-groove 4, the caliber of the notch of the second track sub-groove 4 close to the first track sub-groove 3 is larger than the caliber of the notch of the first track sub-groove 3 which is contacted, when the position of the needle jack point 5 is adjusted, the notch of the first track sub-groove 3 is always positioned in the second track sub-groove 4, so that the upper knitting needle 15 can smoothly move from the first track sub-groove 3 to the second track sub-groove 4;

the first needle pushing point 5 is located on the first track sub-groove 3, the needle pushing point 5 is located at the non-end position of the first track sub-groove 3, the needle narrowing point 6 is located on the second track sub-groove 4, the corresponding needle pushing triangle 21 is in sliding connection with the upper disc cutting block 1 through the first slider 7, the needle narrowing triangle 22 is in sliding connection with the upper disc cutting block 1 through the second slider 8, the first slider 7 and the second slider 8 are in sliding fit with the upper disc cutting block 1 through the T-shaped groove, the first slider 7 and the second slider 8 can both independently slide on the upper disc cutting block 1, specifically referring to fig. 2, the cross-shaped screw 13 is driven to rotate in and out through the rotation graduator 11 under the cooperation of the graduator spring 12, so that the forward and backward movements of the first slider 7 and the second slider 8 are driven, the needle pushing triangle 21 and the needle narrowing triangle 22 are driven to move (how to adjust the first slider 7 through the rotation in and out of the cross-shaped screw 13, The second sliding block 8 moves, the specific detailed structure is common knowledge in the field and is a common adjusting device, and detailed description is not given in the embodiment), so as to adjust the position of the narrowing point 6, the needle pushing cam 21 and the narrowing cam 22 can independently move on the upper disc cutting block 1 by driving the first sliding block 7 and the second sliding block 8, and then the position of the narrowing point 6 can be independently adjusted, so that the position adjustment of the narrowing point 6 is not limited, the needle pushing point 5 can be ensured to be in a doffing process point, and meanwhile, the narrowing depth can be adjusted by adjusting the position of the narrowing point 6, so as to meet different requirements of different customers on the yarn length.

Example 2

The present embodiment is different from embodiment 1 in that: the first track divides groove 3 to be connected with two flexure strips 9 that set up from top to bottom near the notch department of second track branch groove 4, two flexure strips 9 all extend to in the second track divides groove 4, and respectively with the lateral wall of second track branch groove 4 inconsistent, in the removal process of narrowing cam 22, two flexure strips 9 laminate with the inner wall of second track branch groove 4 all the time, make first track divide groove 3 and second track branch groove 4 can keep the same groove width with last knitting needle 15 looks adaptation under the effect of two flexure strips 9, make first track divide groove 3 and second track branch groove 4 to link up more smoothly, further improve the smooth and easy nature that last knitting needle 15 moved to second track branch groove 4 from first track branch groove 3.

It should be noted that in the foregoing description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed above.