CN211057361U - Looping mechanism of double-needle-cylinder loom - Google Patents

Abstract

The utility model provides a double-cylinder loom looping mechanism, including last cylinder, lower cylinder, last cylinder inside with the lower cylinder inside be provided with the track that a plurality of knitting needles were woven, last cylinder with lower cylinder wall on wear to be equipped with a plurality of plug-in strip subassemblies, the plug-in strip subassembly pass through solenoid valve control cylinder drive and get into or withdraw from work to make the knitting needle transform weave the track, the utility model discloses drive cylinder drive plug-in strip by the solenoid valve and get into or withdraw from the workspace, simple structure, control accuracy avoids taking place the firing pin condition.

Description

Looping mechanism of double-needle-cylinder loom

Technical Field

The utility model relates to a weaving machine technical field, in particular to double cylinder loom looping mechanism.

Background

A double-cylinder circular loom for knitting hosiery article or tubulose spare generally includes two cylinders from top to bottom, the upper and lower cylinder all is provided with the slider, the slider guide double-end latch needle is in the motion of cylinder from top to bottom, accomplish the knitting processes such as looping, retreat circle of coil, the slider is the clearance guide of triangle subassembly on the cylinder, and the slider need alternate the track in the knitting process, make double-end latch needle take place to shift at cylinder from top to bottom, consequently the triangle subassembly is provided with and can makes double-end latch needle take place the device that shifts, the device that drives slider track transform drives cylinder drive connecting rod control by the gear among the prior art, poor stability, the structure is complicated, the accuracy nature is poor, easy firing pin.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a double-cylinder loom looping mechanism can solve the current poor stability of drive slider track conversion equipment, and the structure is complicated, and the accuracy is poor, the problem of easy firing pin.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a looping mechanism of a double-needle-cylinder loom comprises an upper needle cylinder and a lower needle cylinder, wherein a plurality of knitting needle knitting tracks are arranged inside the upper needle cylinder and inside the lower needle cylinder, a plurality of knife switch assemblies penetrate through the walls of the upper needle cylinder and the lower needle cylinder, the knife switch assemblies are driven by a cylinder to enter or exit the work, and the cylinder is controlled by an electromagnetic valve, so that the knitting needles change the knitting tracks.

The knife switch component comprises a knife holder and a knife switch, the knife switch penetrates through the wall of the upper needle cylinder or the lower needle cylinder to be connected with the knife holder, and the knife switch moves linearly along the interior of the knife holder.

The switch knife comprises a switch knife head and a switch knife rod, the switch knife head is arranged on the inner side of the wall of the upper needle cylinder or the lower needle cylinder, and the switch knife rod penetrates through the interior of the knife holder and is connected with the air cylinder.

The periphery of the switch blade head is a switch blade side wall, and the switch blade side wall is contacted with or separated from a slider controlling the transfer of the knitting needle and is used for changing the track of the knitting needle.

The knife rest is provided with a knife switch clamping groove, the knife switch is provided with a knife switch stop block, and the knife switch stop block is inserted into the knife switch clamping groove to prevent the knife switch from rotating in the knife rest in the circumferential direction.

The side wall of the knife switch is a nonlinear curved surface which is twisted and extended in space.

The upper needle cylinder and the lower needle cylinder are also provided with auxiliary knife switch assemblies, and the auxiliary knife switch assemblies control the cylinders to drive the auxiliary transformation knitting tracks through electromagnetic valves.

The auxiliary knife switch assembly comprises a pressing pin seat and a pressing pin, the pressing pin penetrates through the wall of the upper needle cylinder or the lower needle cylinder to be connected with the pressing pin seat, and the pressing pin moves linearly along the inside of the pressing pin seat.

The pressure pin comprises a pressure pin head and a pressure pin rod, the pressure pin base is provided with a pressure pin groove, the pressure pin head is inserted into the pressure pin groove to prevent the pressure pin from rotating circumferentially, and the pressure pin rod penetrates through the interior of the pressure pin base to be connected with the cylinder.

An upper cam assembly is arranged in the upper needle cylinder, a lower cam assembly is arranged in the lower needle cylinder, and a plurality of knitting needle knitting tracks are formed between the upper cam assembly and the lower cam assembly.

Compared with the prior art, the double-needle-cylinder weaving machine thread feeding assembly has the following beneficial effects:

(1) the utility model provides a pair of double-cylinder loom looping mechanism, the track that the knitting needle was woven is controlled by the plug-in strip subassembly, and the plug-in strip subassembly drives the cylinder drive by the solenoid valve, simple structure, and control is accurate, avoids taking place the firing pin condition.

(2) The utility model provides a pair of double-cylinder loom looping mechanism can be popularized to the orbital machine of knitting needle that needs to change among single cylinder hosiery machine or other braiders.

(3) The utility model provides a pair of double-cylinder loom looping mechanism, the plug-in strip lateral wall is nonlinear curved surface, and the motion is more level and smooth when making the slider contact with the plug-in strip, reduces the wearing and tearing of plug-in strip.

Drawings

FIG. 1 is a schematic view of the installation of a double-cylinder loom according to an embodiment of the present invention;

FIG. 2 is a schematic view of a lower needle cylinder structure of a double-needle-cylinder loom according to an embodiment of the present invention;

FIG. 3 is a schematic view of a lower syringe disassembly structure according to an embodiment of the present invention;

FIG. 4 is a schematic view of a tool holder according to an embodiment of the present invention;

FIG. 5 is a schematic view of another perspective of a tool holder according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a knife blade according to an embodiment of the present invention;

FIG. 7 is a schematic view of a press pin base according to an embodiment of the present invention;

FIG. 8 is a schematic view of a press pin structure according to an embodiment of the present invention;

FIG. 9 is a schematic view of a lower needle cylinder half-section structure according to an embodiment of the present invention;

FIG. 10 is a reverse schematic view of the lower syringe of the embodiment of the present invention in a half-section structure of FIG. 9;

fig. 11 is a schematic view of a half-section structure of another view angle of the lower needle cylinder in the embodiment of the present invention;

fig. 12 is a reverse schematic view of the view angle half-section structure of the lower syringe of the embodiment of the present invention;

FIG. 13 is a schematic view of the upper needle cylinder structure according to the embodiment of the present invention;

FIG. 14 is a schematic view of a disassembled structure of the upper syringe according to the embodiment of the present invention;

FIG. 15 is a schematic view of a half-section structure of an upper needle cylinder according to an embodiment of the present invention;

FIG. 16 is a reverse view of the upper syringe FIG. 15 half-section structure of the embodiment of the present invention;

fig. 17 is a schematic view of another view angle half-section structure of the upper needle cylinder according to the embodiment of the present invention;

fig. 18 is a reverse schematic view of the perspective half-section structure of the upper syringe fig. 17 according to the embodiment of the present invention;

fig. 19 is an expanded view of the triangular structure according to the embodiment of the present invention.

Description of reference numerals:

1-support frame, 2-lower needle cylinder connecting plate, 3-upper needle cylinder connecting plate, 4-lower needle cylinder, 41-lower jacquard shell, 42-lower triangular base, 43-lower shell, 451-jacquard needle blocking knife, 452-reverse loop-forming knife, 453-heel needle blocking knife, 454-jacquard needle-reading knife, 46-jacquard steel ring component, 47-triangular density connecting block, 48-lower triangular component, 5-upper needle cylinder, 51-upper shell base, 52-upper shell, 541-bag mouth knife, 542-upper needle transfer knife, 543-loop-collecting knife, 544-loop-forming knife, 55-needle guard plate assembly, 56-upper triangular component, 6-knife component, 61-knife seat, 6 a-knife rod hole, 6 b-knife seat fixing hole, 6 c-knife gate card slot, 62-knife switch, 6 d-knife switch side wall, 6 g-knife switch head, 6 f-knife switch block, 6 e-knife switch rod, 7-auxiliary knife switch component, 71-press pin seat, 7 f-fixing hole, 7 b-press pin rod hole, 7 a-press pin clamping groove, 72-press pin, 7 c-press pin surface, 7 d-press pin head, 7 e-press pin rod, 18-probe device and 19-wire feeding device.

Reference numbers for the lower triangular components:

reference numbers of upper triangle components:

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The descriptions in the present application referring to "first", "second", "upper", "lower", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first," "second," "upper," "lower," may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments can be combined with each other, but it is necessary to be able to realize that the technical solutions in the embodiments can be combined with each other on the basis of the realization of a person having ordinary skill in the art, and all that is required by the present invention is within the protection scope of the present invention.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, a double-cylinder loom comprises a support frame 1, a lower cylinder connecting plate 2 and an upper cylinder connecting plate 3 are arranged on the support frame 1, a lower cylinder 4 is arranged on the upper portion of the lower cylinder connecting plate 2, an upper cylinder 5 is arranged on the lower portion of the upper cylinder connecting plate 3, a knife switch assembly 6 is arranged on the upper cylinder 5 and the lower cylinder 4, and an auxiliary knife switch assembly 7 is further arranged on the upper cylinder 5 and the lower cylinder 4.

Further, as shown in fig. 2 and 3, the lower needle cylinder 4 includes a lower jacquard shell 41, a lower triangular base 42, a lower shell 43, an auxiliary knife assembly 7, a knife assembly 6, a jacquard steel ring assembly 46, a triangular density connecting block 47, and a lower triangular assembly 48, wherein the lower shell 43 is fixedly connected with the lower triangular base 42 to form a cylindrical shell, the lower shell 43 is formed by combining a plurality of cylindrical blocks and is fixed on the outer side of the upper end of the lower triangular base 42, the lower part of the lower triangular base 42 is fixedly connected with the lower jacquard shell 41, the lower jacquard shell 41 is formed by combining a plurality of blocks into a circular ring shape, the jacquard steel ring assembly 46 is fixed inside the lower jacquard shell 41, the triangular density connecting block 47 and the lower triangular assembly 48 are sequentially fixed inside the lower shell 43, the jacquard steel ring assembly 46, the triangular density connecting block 47 and the lower triangular assembly 48 are covered outside a needle storage device (not shown) provided with a slider and a knitting needle, the jacquard steel ring component 46, the triangle density connecting block 47 and the lower triangle component 48 comprise a plurality of triangle blocks, gaps exist among the triangle blocks, the motion of a slider can be guided, a track of the motion of the slider is formed, the slider guides a knitting needle to knit, the track of knitting of the knitting needle is formed among the triangle blocks, and the lower shell 43 of the lower needle cylinder 4 is provided with four knife switch components 6 and an auxiliary knife switch component 7 in a penetrating mode.

As shown in fig. 4, 5 and 6, the knife switch assembly 6 comprises a knife switch 62 and a knife holder 61, the knife holder 61 is step-shaped and comprises a knife rod hole 6a, a knife holder fixing hole 6b and a knife switch clamping groove 6c, the knife rod hole 6a is arranged in the center of the knife holder 61 and is a through hole, the knife holder fixing hole 6b is arranged on a circular table and is a through hole, the knife switch clamping groove 6c is a long-strip-shaped groove and is arranged on the end surface of the circular table, the knife switch 62 comprises a knife switch 6g, a knife switch block 6f and a knife switch rod 6e, the knife switch 6g is a diamond-shaped block, the four sides are knife switch side walls 6d, the knife switch side walls 6d are contacted with guide pins when working and are nonlinear curved surfaces, the guide pins are guided to move, the knife switch block 6f is a long-strip-shaped block and is arranged in the middle of the knife switch 62 and is clamped into the knife switch clamping groove 6c and can limit the circumferential rotation of the knife switch 62, the knife switch rod 6, the knife bar moves linearly along the knife bar hole 6a under the driving of the air cylinder and enters a working area or is separated from the working area, the tail end of the knife bar 6e is also connected with a spring 63, the air cylinder acts to compress the spring 63, the air cylinder stops acting, and the knife bar 6e resets under the elastic force action of the spring 63.

As shown in fig. 7 and 8, the auxiliary knife assembly includes a pressing pin 72 and a pressing pin holder 71, the pressing pin holder 71 has a step shape and includes a fixing hole 7f, a pressing pin rod hole 7b, and a pressing pin slot 7a, the pressing pin rod hole 7b is provided at the center of the knife holder 71 and is a through hole, the fixing hole 7f is provided on a circular table and is a through hole for fixing the pressing pin holder 71 to the lower needle cylinder 4 or the upper needle cylinder 5, the pressing pin slot 7a is a long strip slot provided at an end surface of the circular table, the pressing pin 72 includes a pressing pin head 7d and a pressing pin rod 7e, the pressing pin head 7d is a long strip block which is inserted into the pressing pin slot 7a to limit the circumferential rotation of the pressing pin 72, the end of the pressing pin head 7d is a pressing pin surface 7c, the pressing pin surface 7c contacts the slider to assist the movement of the slider, the pressing pin rod 7e is inserted into the pressing pin rod hole 7b, the end is connected to the cylinder, and moves linearly along the pressing pin rod hole 7b under the driving of the cylinder to, the tail end of the press pin rod 7e is also connected with a return spring, the air cylinder acts to compress the return spring, the air cylinder stops acting, and the press pin rod 7e resets under the elastic force action of the return spring.

As shown in fig. 9 to 12, the knife switch 62 penetrates into the opening from the inside of the lower case 43, is connected to the external knife holder 61, the presser pin 72 penetrates into the opening from the inside of the lower case 43, is connected to the external presser pin holder 71, the knife switch 62 is arranged at a different position in the lower case 43, the knife switch head 6g has a different shape and functions differently, the knife switch 62 is divided into a jacquard needle blocking knife 451, a reverse stitch forming knife 452, a heel needle blocking knife 453, and a jacquard needle-reading knife 454 according to the difference in the knife switch head 6g, the auxiliary knife switch assembly 7 is arranged near the jacquard needle-reading knife 454, the jacquard needle blocking knife 451 and the jacquard needle-reading knife 454 are operated by a cylinder to enter into or leave from the working area during jacquard knitting to guide the slider transfer rail, the auxiliary knife switch assembly 7 assists the slider transfer, the reverse stitch forming knife 452 is operated by a cylinder to enter into or leave from the working area during looping or looping back during the jacquard knitting to guide the slider transfer rail, the heel needle blocking knife 453 is acted by the cylinder to enter the working area or leave the working area when the sock weaves the heel, and guides the slider to transfer to the track.

As shown in fig. 13 and 14, the upper cylinder 5 includes an upper shell base 51, an upper shell 52, a needle guard plate assembly 55, an upper cam assembly 56, a knife assembly 6, and an auxiliary knife assembly 7, the upper shell 52 covers the outer side of the lower portion of the upper shell base 51 to form a cylindrical shell, the upper shell 52 is formed by combining a plurality of blocks into a cylindrical shape, the upper cam assembly 56 is fixedly disposed inside the upper shell 52, the needle guard plate assembly 55 is disposed at the lower portion of the upper shell 52 to fix the needle guard plate and prevent a knitting needle from jumping up or dropping down, and the upper cam assembly 56 covers the outside of a needle storage device provided with a slider and a knitting needle. The upper triangular component 56 comprises a plurality of triangular blocks, gaps exist among the triangular blocks, the motion of a slider can be guided, a track for the motion of the slider is formed, the slider guides a knitting needle to knit, a track for knitting the knitting needle is formed between the triangular blocks, and four knife switch components 6 and an auxiliary knife switch component 7 penetrate through the upper shell 52 of the upper needle cylinder 5.

As shown in fig. 15 to 18, the knife switch 62 is inserted into the opening from the inside of the upper case 52, connected to the external knife holder 61, the presser pin 72 is inserted into the opening from the inside of the upper case 52, connected to the external presser pin holder 71, the knife switch 62 is provided at a different position in the upper case 52, the knife switch head 6g has a different shape and functions differently, the knife switch 62 is divided into a closing blade 541, an upper needle transfer blade 542, a tucking blade 543, a stitch forming blade 544, and an auxiliary knife switch assembly 7 is provided near the upper needle transfer blade 542 according to the knife switch head 6g, the upper needle transfer blade 542 is operated by a cylinder to enter or leave the working area when the knitting needle is transferred between the upper cylinder 5 and the lower cylinder 4, the slider transfer track is guided, the auxiliary knife switch assembly 7 assists the slider transfer, the tucking blade 543, and the stitch forming blade 544 are operated by a cylinder to enter or leave the working area when the stitch is formed or withdrawn during the stitch knitting, the slider transfer track is guided, when the sock heel is knitted, the opening wrapping knife 541 enters a working area or is separated from the working area under the action of the air cylinder to guide the slider to transfer to the track.

As shown in fig. 19, the triangular device is a developed view, the upper triangular component 56 and the lower triangular component 48 are fixed triangles, the upper triangular component 56 is knitted only in one-way rotation, the lower triangular component 48 is used in two-way rotation for knitting the heel and toe of a sock, the side wall of the triangular block is in contact with the slider, the side wall around the triangular block is a nonlinear curved surface, the knife head 6g of the knife gate 62 is a movable triangle and is in contact with the slider in operation, the slider is moved to the track in operation, and the knife gate side wall 6d is a nonlinear curved surface which is twisted and extended in space, so that the slider moves more smoothly in the track when in contact with the slider, abrasion of the slider with the side wall of the triangular block and the knife gate side wall 6d is reduced, and knitting efficiency can be improved.

Specifically, the upper needle gate upper cam 5604 and the upper needle gate lower cam 5610 function as needle gates, and the upper transfer upper cam 5605 and the upper transfer lower cam 5611, the upper needle transfer knife 542 and the press pin 72 work together to make the slider guide the knitting needle changing track to be transferred between the upper needle cylinder 5 and the lower needle cylinder 4; a looping auxiliary triangle 5602, a looping parallel triangle 5606, an upper density triangle stopper 5607, a looping limit triangle 5612, looping retention triangles (5613, 5618), an upper density triangle 5614, a tucking knife 543 and a looping knife 544 work together to enable a knitting needle to change a track to knit a loop and finish loop withdrawing; the package mouth limiting triangle 5603, the package mouth upper parallel triangle 5609, the package mouth lower parallel triangle 5616, the package mouth flattening triangle 5617, the package mouth fixing triangle 5619 and the package mouth knife 541 work together to lead the slider to guide the knitting needle to carry out package mouth knitting, and the lower parallel triangle 5615 and the upper parallel triangle 5608 are normally wired and are not knitted into a loop; the lower transfer cam 4804 and the forward rotation platen cam 4812 transfer the knitting needles between the upper cylinder 5 and the lower cylinder 4; the middle cam 4806, the right density cam 4807, the middle lower cam 4817, the right density lower cam stopper 4818, the right density lower cam joint 4819, the left density cam 4816, the left density lower cam stopper 4821 and the left density lower cam joint 4822 guide the knitting needle to feed, and the knitting needle enters the lowest position of the yarn bending and then returns to the initial position; the heel retention triangle 4801, the rear shell retention triangle 4802, the needle raising triangle 4808, the fixed triangle 4809, the heel raising triangle 4810, the parallel triangle 4820, the heel raising triangle 4813, the reverse looping knife 452 and the heel needle bar knife 453 cooperate to guide the needle changing track to knit the heel, the jacquard retention triangle 4805, the jacquard triangle 4815, the jacquard needle bar knife 451 and the jacquard needle bar knife 454 cooperate to guide the needle changing track to knit the jacquard, and the needle raising triangle 4803, the needle gate leveling triangle 4811 and the needle gate triangle 4814 function to raise the needle and the needle gate.

The arrangement of the cams in the upper cam assembly 56 and the lower cam assembly 48 is different to form different knitting systems, and the knitting can be carried out by using the upper needle cylinder 5 and the lower needle cylinder 4 together or by using the upper needle cylinder 5 or the lower needle cylinder 4 alone according to the knitting pattern.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A looping mechanism of a double-needle-cylinder loom comprises an upper needle cylinder (5) and a lower needle cylinder (4), wherein a plurality of knitting needle knitting tracks are arranged inside the upper needle cylinder (5) and inside the lower needle cylinder (4), and the looping mechanism is characterized in that a plurality of knife switch assemblies (6) penetrate through the wall of the upper needle cylinder (5) and the wall of the lower needle cylinder (4), the knife switch assemblies (6) are driven by a cylinder to enter or exit, and the cylinder is controlled by an electromagnetic valve, so that the knitting needles change knitting tracks.

2. Looping mechanism of double-cylinder loom according to claim 1, characterized in that said knife assembly (6) comprises a knife holder (61) and a knife (62), said knife (62) being connected to said knife holder (61) through the wall of said upper cylinder (5) or said lower cylinder (4), said knife (62) moving linearly inside said knife holder (61).

3. Looping mechanism of a double-cylinder loom according to claim 2, characterized in that said knife (62) comprises a knife head (6g) and a knife bar (6e), said knife head (6g) being arranged inside the wall of the upper (5) or lower (4) cylinder, said knife bar (6e) passing inside the knife holder (61) and being connected to the cylinder.

4. The double-cylinder loom looping mechanism according to claim 3, characterized in that the blade head (6g) is surrounded by blade sidewalls (6d), and the blade sidewalls (6d) are in contact with or separate from a slider controlling the transfer of the knitting needles for changing the trajectory of the knitting needles.

5. Double-cylinder loom looping mechanism according to claim 2, characterized in that the knife holder (61) is provided with a knife slot (6c), the knife (62) is provided with a knife stop (6f), the knife stop (6f) is inserted into the knife slot (6c) to prevent the knife (62) from rotating circumferentially in the knife holder (61).

6. A looping mechanism for double-cylinder looms according to claim 4, characterized in that said knife-edge (6d) is a non-linear curved surface with a spatially distorted development.

7. Looping mechanism of a double-cylinder loom according to claim 1, characterized in that said upper (5) and lower (4) cylinders are further provided with auxiliary knife assemblies (7), said auxiliary knife assemblies (7) being driven by solenoid controlled cylinders to assist in changing the knitting path.

8. Double-cylinder loom looping mechanism according to claim 7, characterized in that said auxiliary knife assembly (7) comprises a presser pin seat (71) and a presser pin (72), said presser pin (72) being connected to said presser pin seat (71) through the wall of said upper cylinder (5) or said lower cylinder (4), said presser pin (72) moving linearly along the inside of said presser pin seat (71).

9. Double-cylinder loom looping mechanism according to claim 8, characterized in that the presser pin (72) comprises a presser pin head (7d) and a presser pin rod (7e), the presser pin holder (71) is provided with a presser pin slot (7a), the presser pin head (7d) is inserted into the presser pin slot (7a) to prevent the presser pin (72) from rotating circumferentially, and the presser pin rod (7e) is connected to the cylinder through the inside of the presser pin holder (71).

10. Looping mechanism of a double-cylinder loom according to claim 1, characterized in that said upper cylinder (5) is internally provided with an upper cam assembly (56) and said lower cylinder (4) is internally provided with a lower cam assembly (48), said upper cam assembly (56) and said lower cam assembly (48) forming between them a plurality of tracks for the knitting needles.

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