CN215757857U - Prevent that silk thread from collapsing silk mechanism that prestretches that cuts off - Google Patents
Prevent that silk thread from collapsing silk mechanism that prestretches that cuts off Download PDFInfo
- Publication number
- CN215757857U CN215757857U CN202121930982.6U CN202121930982U CN215757857U CN 215757857 U CN215757857 U CN 215757857U CN 202121930982 U CN202121930982 U CN 202121930982U CN 215757857 U CN215757857 U CN 215757857U
- Authority
- CN
- China
- Prior art keywords
- knitting needle
- silk thread
- pressing disc
- lower knitting
- yarn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Knitting Machines (AREA)
Abstract
The utility model relates to the technical field of circular knitting machines, in particular to a pre-tensioning mechanism for preventing a silk thread from breaking, which comprises a wire pressing disc, wherein the wire pressing disc is arranged in the descending range of a lower knitting needle and is positioned between an upper knitting needle and the lower knitting needle, the wire pressing disc inwards invades into a passing path of the silk thread hooked between the upper knitting needle and the lower knitting needle, and the silk thread is pressed by the wire pressing disc and inwards bent when passing through the position of the wire pressing disc in the process of being pulled down by the lower knitting needle, so that the silk thread is pulled out for a distance in advance. The pre-tensioning mechanism pulls out the silk thread for a certain distance in advance, so that the lower knitting needle can continuously descend to the lowest position without breaking the silk thread. The lower knitting needle can descend for a longer distance to pull out a long length of silk thread, so that the circular knitting machine can produce the ultra-long filament fluff fabric.
Description
Technical Field
The utility model relates to the technical field of circular machines, in particular to a pre-tensioning mechanism for preventing a silk thread from breaking.
Background
The artificial wool is a wool fabric similar to animal fur and formed by processing artificial fiber through knitting and weft knitting, and people prefer the wool fabric with longer wool length along with the improvement of aesthetic requirements of people. The length of the knitted long pile fabric is determined by the length of the thread between the upper knitting needle and the lower knitting needle at the lowest point.
The silk threads of the silk thread barrel are conveyed to the circular knitting machine and then are alternately hung between the upper knitting needle and the lower knitting needle; the circular knitting machine rotates to enable the lower knitting needle to rise to hook the silk thread under the driving of the triangle, and then the lower knitting needle descends to pull the silk thread downwards; during the process of pulling down the front knitting needle, the back knitting needle rises to hook the back section of silk thread, therefore, the next knitting needle needs to slide through the hook part of the back knitting needle when pulling down the silk thread continuously; as the lower knitting needle descends, more and more lower knitting needles on the rear side hook the yarn, so that the resistance of the lower knitting needles on the front side to pull the yarn is larger and larger; the long-pile fabric needs a long length for pulling the silk thread down, namely, the lower knitting needle needs to descend for a long distance, the structure of the existing circular knitting machine guides the lower knitting needle to descend through a triangle, the triangle guides the lower knitting needle to descend through a track groove, the slope of an inclined track groove cannot be too large, the speed for guiding the lower knitting needle to descend is low, when the lower knitting needle descends to a lower position, a large number of lower knitting needles hook the silk thread on the rear side of the circular knitting machine, the resistance for continuously pulling the silk thread down becomes very large, the silk thread cannot be pulled completely, and the silk thread can be broken after the maximum tensile force which can be borne by the silk thread is exceeded.
Therefore, the length of the long-fluff fabric which can be woven by the existing circular machine is limited, and the production of a super-long-filament fluff fabric product is difficult.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a pre-drawing mechanism which can prevent the breakage of silk threads and can enable a circular knitting machine to produce a super-long silk floss fabric.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a prevent that silk thread from collapsing and breaking prestretching a mechanism, locates on the circular knitting machine which characterized in that: the yarn pressing disc is arranged in a descending range of the lower knitting needle and is positioned between the upper knitting needle and the lower knitting needle, the yarn pressing disc is inwards invaded and hooked in a passing path of a yarn between the upper knitting needle and the lower knitting needle, and the yarn is pressed by the yarn pressing disc to be inwards bent when passing through the position of the yarn pressing disc in the process of being pulled down by the lower knitting needle, so that the yarn is pulled out for a distance in advance.
Furthermore, the wire pressing disc is arranged at the front section of the descending range of the lower knitting needle.
Further, the wire pressing disc is obliquely arranged downwards.
Further, the pre-tensioning mechanism comprises a base and a rotating shaft, and the wire pressing disc is rotatably arranged on the base through the rotating shaft.
Further, the base comprises a fixing block, a vertical adjusting block and a transverse adjusting block, the rotating shaft is vertically installed on the transverse adjusting block, the transverse adjusting block can be installed on the vertical adjusting block in a transverse adjusting mode, and the vertical adjusting block can be installed on the fixing block in a vertical adjusting mode.
Further, the wire pressing disc is of a thin disc structure.
As can be seen from the above description of the present invention, compared with the prior art, the pre-tensioning mechanism for preventing the yarn from breaking has the following advantages:
the lower knitting needle hooks the silk thread and then enters the descending area to descend, because no other lower knitting needle or only a few lower knitting needles hook the silk thread at the rear side of the lower knitting needle when the lower knitting needle just begins to descend, the resistance for pulling the silk thread is small, the silk thread is propped against the wire pressing disc of the pre-tensioning mechanism to be bent at the moment, the silk thread can be pulled out for a certain distance in advance, more lower knitting needles hook the silk thread at the rear side of the lower knitting needle in the later time of the descending area, the resistance for pulling the silk thread is large at the moment, but the silk thread which is pulled out for a certain distance in advance by the pre-tensioning mechanism is gradually released, and therefore the lower knitting needle can continuously descend to the lowest position and cannot break the silk thread. The lower knitting needle can descend for a longer distance to pull out a long length of silk thread, and the circular knitting machine can produce the ultra-long filament fluff fabric.
The base of the pre-tensioning mechanism can be adjusted horizontally and vertically, can be adjusted adaptively according to the structure of the circular knitting machine and the material of the silk threads, and has high adaptability; the pre-tensioning mechanism can be used as an independent upgrading accessory to be installed on the existing circular machine, the existing circular machine mechanism does not need to be modified, and upgrading cost is low.
Drawings
Fig. 1 is a schematic view (embodiment one) of the working state of a pre-tensioning mechanism for preventing the yarn from breaking.
Fig. 2 is a schematic view of a second working state of the pre-tensioning mechanism for preventing the yarn from breaking (embodiment one).
FIG. 3 is a partially enlarged and sectioned view of FIG. 2 according to the first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a pre-drawing mechanism according to the present invention (embodiment one).
Fig. 5 is a schematic view of the first operating state of the pre-tensioning mechanism for preventing the yarn from breaking (embodiment two).
Fig. 6 is a schematic view of a second working state of the pre-tensioning mechanism for preventing the yarn from breaking (embodiment two).
FIG. 7 is a partial enlarged and sectional view of FIG. 6 according to the second embodiment of the present invention.
Fig. 8 is a schematic view of the working state of the wire passing through the wire-pressing disc according to the present invention.
The labels in the figure correspond to the following: a. the knitting machine comprises a rising area, a b-line hooking area, a c-descending area, a 1-upper dial, a 2-upper knitting needle, a 3-lower dial, a 4-lower knitting needle, a 5-triangle, a 6-wire pre-tensioning mechanism, a 61-wire pressing disc, a 62-base, a 621-fixing block, a 622-vertical adjusting block, a 623-horizontal adjusting block and a 63-rotating shaft.
Detailed Description
The utility model is further described below by means of specific embodiments.
The pre-drawing mechanism for preventing the yarn from breaking is arranged on a circular knitting machine to produce ultra-long yarn fluff fabric as an example.
Referring to fig. 1 to 8, the circular machine for producing the ultra-long yarn fluff fabric comprises an upper dial 1, an upper knitting needle 2, a lower dial 3, a lower knitting needle 4, a triangle 5 and a pre-drawing mechanism 6.
The upper knitting needle 2 is provided with a plurality of knitting needles which are transversely arranged on the upper dial 1, the lower knitting needle 2 is provided with a plurality of knitting needles which are vertically arranged on the lower dial 3, and the triangle 5 is used for driving the lower knitting needle 4 to move up and down. The lower knitting needle 4 sequentially passes through the ascending area a, the thread hooking area b and the descending area c along with the rotation of the lower dial 3; the lower knitting needle 4 is driven by the cam 5 to ascend in the ascending area a, hook the silk thread in the thread hooking area b, descend in the descending area c and pull down the silk thread;
the wire pre-tensioning mechanism 6 comprises a wire pressing disc 61, a base 62 and a rotating shaft 63, wherein the base 62 comprises a fixed block 621, a vertical adjusting block 622 and a transverse adjusting block 623, the rotating shaft 63 is vertically installed on the transverse adjusting block 623, the transverse adjusting block 623 is installed on the vertical adjusting block 622 in a transverse adjusting mode, and the vertical adjusting block 622 is installed on the fixed block 621 in a vertical adjusting mode. The wire pressing disc 61 has a thin disc structure, and the wire pressing disc 61 is rotatably mounted on the base 62 through a rotating shaft 63.
The wire pressing disc 61 is arranged in the descending area c and is positioned at one side position of the descending area c close to the wire hooking area b, the thin disc 611 of the wire pressing disc 61 is positioned between the upper knitting needle 2 and the lower knitting needle 4, the thin disc 611 of the wire pressing disc 61 inwards invades into a passing path of the wire hooked between the upper knitting needle 2 and the lower knitting needle 4, and when the wire passes through the position of the wire pressing disc 61, the wire is pressed by the thin disc 611 to be bent inwards, so that the wire is pulled out for a certain distance in advance.
The configuration of the presser foot plate has two embodiments, namely, (refer to fig. 1 to 4) the presser foot plate 61 is arranged obliquely downwards along the rotation direction of the lower needle plate 3, and the pressing position of the presser foot plate 61 to the thread is approximately at the middle position between the upper knitting needle 1 and the lower knitting needle 4, and the stressed state is better. In the second embodiment, (referring to fig. 5 to 7) the line pressing disc 61 is horizontally arranged, and in this arrangement, the position of the line pressing disc 61 is easier to adjust.
The working principle of the circular machine for producing the ultra-long yarn fluff fabric refers to the following steps:
step one, with the rotation of the upper dial 1, the silk thread of the silk thread cylinder is hooked and pulled by each upper knitting needle 2;
step two, along with the rotation of the lower dial 3, the lower knitting needle 4 enters a rising area a and rises upwards under the driving of a triangle 5; with the rotation of the lower dial 3, the lower knitting needle 4 enters the thread hooking area b, and the lower knitting needle 4 hooks the thread of the upper knitting needle 2;
step three, along with the rotation of the lower dial 3, the lower knitting needle 4 hooked with the thread enters a descending area c and descends downwards under the driving of a triangle 5; with the rotation of the upper dial 1 and the lower dial 3, the upper knitting needle 2 and the lower knitting needle 4 which hook a section of silk thread respectively enter the upper side and the lower side of the wire pressing disc 61, the middle part of the section of silk thread is supported by the thin disc 611 of the wire pressing disc 61 and is bent inwards, and compared with the silk thread which is directly pulled out by the lower knitting needle 4 and is in a straight line state, the length of the silk thread is longer and has a section of pre-pulling length due to the bending of the silk thread; the edge of the thin disc 611 is arc-shaped, so that the length of the pre-drawn wire is gradually increased in the first half of the time when the wire is abutted by the thin disc 611, because the lower knitting needles 4 are densely arranged, the lower knitting needles 4 hooking the wire at the rear side are gradually increased while the lower disc 3 rotates, and because the wire pressing disc 61 is positioned at the position of the descending area c close to the wire hooking area b, no other lower knitting needles 4 are hooked at the rear side of the lower knitting needles 4 hooking the wire or only one or two lower knitting needles 4 are hooked at the stage, the resistance of the wire when the thin disc 611 abuts against the wire for pre-drawing is small, and the wire can relatively slide at the position where the upper knitting needles 2 and the lower knitting needles 4 are hooked; namely, in the stage, the silk thread is pulled out for a certain length in advance under the condition of small resistance;
and step four, along with the rotation of the upper dial 1 and the lower dial 3, the silk thread is gradually separated from the position of the wire pressing disc 61, the lower knitting needle 4 is continuously descended to pull down the silk thread, the edge of the thin disc 611 is in a circular arc shape, so that the pre-drawn length of the silk thread is gradually reduced in the later period of time when the silk thread is supported by the thin disc 611, the pre-drawn length of the silk thread is supplied to the length of the silk thread required to be pulled by the lower knitting needle 4, at this time, although a large number of other lower knitting needles are arranged at the rear side of the lower knitting needle 4 to hook the silk thread, the resistance on the silk thread is large and difficult to slide, due to the fact that the pre-drawn silk thread is supplied, the lower knitting needle 4 can be continuously descended to the lowest position so as not to break the silk thread.
And step five, the lower knitting needle 4 leaves the descending area c along with the rotation of the lower dial 3, and a section of long yarn is arranged between the upper knitting needle 2 and the lower knitting needle 4.
The vertical adjusting block 622 and the horizontal adjusting block 623 of the base 62 can adjust the upper and lower positions and the inner and outer positions of the wire pressing disc 61, namely adjust the length of a pre-drawn wire and be adaptively matched with the positions of the upper knitting needle 2 and the lower knitting needle 4; the rotatable design of the wire pressing disc 61 enables the wire to drive the thin disc 611 to rotate when the wire moves transversely, so that the thin disc 611 is prevented from cutting the wire.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (6)
1. The utility model provides a prevent that silk thread from collapsing and breaking prestretching a mechanism, locates on the circular knitting machine which characterized in that: the yarn pressing disc is arranged in a descending range of the lower knitting needle and is positioned between the upper knitting needle and the lower knitting needle, the yarn pressing disc is inwards invaded and hooked in a passing path of a yarn between the upper knitting needle and the lower knitting needle, and the yarn is pressed by the yarn pressing disc to be inwards bent when passing through the position of the yarn pressing disc in the process of being pulled down by the lower knitting needle, so that the yarn is pulled out for a distance in advance.
2. The pre-tensioning mechanism for preventing the breakage of the silk thread according to claim 1, wherein: the thread pressing disc is arranged at the front section of the descending range of the lower knitting needle.
3. The pre-tensioning mechanism for preventing the breakage of the silk thread according to claim 1, wherein: the wire pressing disc is arranged obliquely downwards.
4. The pre-tensioning mechanism for preventing the breakage of the silk thread according to claim 1, wherein: the wire pre-tensioning mechanism comprises a base and a rotating shaft, and the wire pressing disc is rotatably arranged on the base through the rotating shaft.
5. The pre-tensioning mechanism for preventing the breakage of the silk thread according to claim 4, wherein: the base comprises a fixed block, a vertical adjusting block and a transverse adjusting block, the rotating shaft is vertically installed on the transverse adjusting block, the transverse adjusting block can be installed on the vertical adjusting block in a transverse adjusting mode, and the vertical adjusting block can be installed on the fixed block in a vertical adjusting mode.
6. The pre-tensioning mechanism for preventing the breakage of the silk thread according to claim 4, wherein: the wire pressing disc is of a thin disc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930982.6U CN215757857U (en) | 2021-08-17 | 2021-08-17 | Prevent that silk thread from collapsing silk mechanism that prestretches that cuts off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930982.6U CN215757857U (en) | 2021-08-17 | 2021-08-17 | Prevent that silk thread from collapsing silk mechanism that prestretches that cuts off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215757857U true CN215757857U (en) | 2022-02-08 |
Family
ID=80075757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121930982.6U Active CN215757857U (en) | 2021-08-17 | 2021-08-17 | Prevent that silk thread from collapsing silk mechanism that prestretches that cuts off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215757857U (en) |
-
2021
- 2021-08-17 CN CN202121930982.6U patent/CN215757857U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8117871B2 (en) | Method and knitting machine for producing a knitted product from substantially untwisted fibre material | |
| CN215757857U (en) | Prevent that silk thread from collapsing silk mechanism that prestretches that cuts off | |
| CN111074424A (en) | Ram type ribbon weaving machine with automatic fusing function | |
| CN113699670B (en) | Circular machine and method for producing super-long-filament fluff fabric | |
| CN111286865A (en) | Novel knitting mechanism of crocheting net machine | |
| CN208632725U (en) | A kind of full-automatic thread-laying mechanism of ball warping machine | |
| CN113322594B (en) | Chain mesh towel embroidery thread cutting mechanism and thread cutting and loosening method thereof | |
| CN214830994U (en) | Built-in wire pulling mechanism of computerized flat knitting machine | |
| CN115928314A (en) | Artificial lung mousse braider | |
| CN102191626B (en) | Composite braid tape with winding body on surface and weaving method as well as braid tape weaver thereof | |
| CN211394845U (en) | Yarn dividing needle of Raschel warp knitting machine | |
| CN113684602B (en) | Circular machine and method for weaving ultra-long fluff fabric | |
| CN111254572A (en) | Novel high-speed bimodulus utensil colludes flower net machine | |
| CN2799611Y (en) | Thread hooking and clamping device for sewing machine | |
| SU1551758A1 (en) | Braided cord and machine for making same | |
| CN219342476U (en) | Yarn feeding device of drafting machine | |
| CN214115888U (en) | Knitting needle-arranging needle sleeve machine | |
| CN212335461U (en) | Bottom plate starting device of computerized flat knitting machine | |
| CN215800238U (en) | Knitting needle driving mechanism | |
| CN216838445U (en) | Full-automatic knitting crochet machine | |
| CN113417061B (en) | Weaving device and weaving method of double-sided integrated cut pile fabric | |
| CN214882124U (en) | Self-stopping high-efficiency warp knitting machine | |
| CN210916497U (en) | Yarn pressing device of computerized flat knitting machine | |
| CN212741715U (en) | Novel high-speed bimodulus utensil colludes flower net machine | |
| CN110409076B (en) | Needle bar presser foot device of computer disc embroidery machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |