CN216274584U - Weft yarn crochet device of wide and narrow band knitting machine - Google Patents

Abstract

The utility model relates to the technical field of ribbon looms, in particular to a weft yarn crochet needle device of a wide and narrow ribbon loom, which comprises a rack, a weaving assembly arranged on the rack, a crochet needle assembly matched with the weaving assembly for use, a bottom line assembly and a driving assembly used for driving the crochet needle assembly and the bottom line assembly to move left and right, wherein the weaving assembly comprises a base arranged on the rack, weaving needles are convexly arranged on the base, the top of the base is provided with a workbench, and the workbench is provided with a guide plate and a clamping plate matched with the guide plate for use. The yarn feeding device is compact in structure, reasonable in design, simple and convenient to adjust, capable of ensuring consistency and stability of yarn feeding amount and improving production efficiency and production quality.

Description

Weft yarn crochet device of wide and narrow band knitting machine

Technical Field

The utility model relates to the technical field of ribbon looms, in particular to a weft crochet device of a wide and narrow ribbon loom.

Background

The yarn supply amount adjusting device of the wide and narrow belt knitting machine in the market at present is complex in structure, complex in adjusting operation, incapable of ensuring the consistency and stability of the yarn supply amount, and greatly influencing the production efficiency and the production quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a weft yarn crochet device of a wide and narrow band knitting machine, which has compact structure, reasonable design, simple and convenient adjustment, ensures the consistency and stability of yarn supply amount and improves the production efficiency and the production quality aiming at the defects of the prior art.

In order to achieve the purpose, the weft yarn crochet device of the wide and narrow band knitting machine comprises a rack, a weaving assembly arranged on the rack, a crochet assembly matched with the weaving assembly for use, a bottom line assembly and a driving assembly used for driving the crochet assembly and the bottom line assembly to move left and right, wherein the weaving assembly comprises a base arranged on the rack, weaving needles are convexly arranged on the base, the top of the base is provided with a workbench, and the workbench is provided with a guide plate and a clamping plate matched with the guide plate for use.

Preferably, the crochet component comprises a crochet axis, a mounting seat sleeved on the crochet axis, a weft crochet installed on the mounting seat and a translation piece installed at the end part of the crochet axis, and the driving component is in driving connection with the translation piece.

Preferably, the bobbin thread component comprises a knitting needle axis, an assembly seat sleeved on the knitting needle axis, a bobbin thread knitting needle arranged on the assembly seat, and a connecting rod arranged on the knitting needle axis, and the driving component is in driving connection with the connecting rod.

Preferably, the driving assembly comprises a first support, a servo motor arranged on the first support, a driving wheel arranged at the output end of the servo motor, a second support, a screw rod arranged on the second support, a nut seat sleeved on the outer side of the screw rod in a screwing manner, and a driven wheel arranged at the end part of the screw rod, wherein a transmission belt is connected between the driving wheel and the driven wheel, a connecting seat frame is arranged at the bottom of the nut seat, the connecting seat frame is connected with the translation piece, a connecting block is arranged on the outer side of the nut seat, and the connecting block is connected with the connecting rod.

Preferably, the translation piece includes the grudging post, articulates in the first movable block at grudging post top and articulates in the second movable block of grudging post bottom, first movable block is connected with the eave tile axle center, the second movable block is connected with the frame, the junction between grudging post and the first movable block is provided with first articulated shaft, the junction between grudging post and the second movable block is provided with the second articulated shaft.

Preferably, a first limit switch and a second limit switch for limiting the displacement distance of the nut seat are respectively arranged at two ends of the second bracket.

The utility model has the beneficial effects that: when the automatic bottom thread weaving machine works, a plurality of warps penetrate through the reed and then are guided and arranged along the guide plate, the warps penetrate through a gap between the guide plate and the clamping plate, the clamping plate is pressed and positioned on the upper surfaces of the warps, the plurality of warps are arranged stably and reliably, the driving assembly drives the crochet hook assembly and the bottom thread assembly to move left and right, the crochet hook assembly is further driven to move left and right respectively to be matched with the weaving assembly to adjust the weft supply amount, and the bottom thread assembly is driven to move left and right to be matched with the weaving assembly to automatically weave bottom threads. The yarn feeding device is compact in structure, reasonable in design, simple and convenient to adjust, capable of ensuring consistency and stability of yarn feeding amount and improving production efficiency and production quality.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of another angle of the present invention.

Fig. 3 is a partially enlarged structural diagram of a in fig. 2.

Fig. 4 is a schematic structural view of the hook needle assembly of the present invention.

FIG. 5 is a schematic view of the bottom line assembly of the present invention.

The reference numerals include:

1-frame

2-weaving assembly 21-base 22-weaving needle

23-workbench 24-guide plate 25-clamping plate

3-hook needle component 31-hook needle axle center 32-mounting seat

33-weft crochet

34-translational member 341-vertical frame 342-first movable block

343-second movable block 344-first hinge shaft 345-second hinge shaft

4-bobbin thread component 41-knitting needle axis 42-assembly seat

43-bobbin thread knitting needle 44-connecting rod

5-drive assembly 51-first bracket 52-servo motor

53-driving wheel 54-second support 55-screw

56-nut seat 57-driven wheel 58-driving belt

59-connecting seat frame 510-connecting block 511-first limit switch

512-second limit switch.

Detailed Description

The present invention is described in detail below with reference to the attached drawings.

As shown in fig. 1 to 5, the weft crochet needle 33 device of the wide and narrow band knitting machine of the present invention includes a frame 1, a weaving assembly 2 installed on the frame 1, a crochet needle assembly 3 used in cooperation with the weaving assembly 2, a bottom thread assembly 4, and a driving assembly 5 for driving the crochet needle assembly 3 and the bottom thread assembly 4 to move left and right, wherein the weaving assembly 2 includes a base 21 installed on the frame 1, the base 21 is convexly provided with a weaving needle 22, the top of the base 21 is provided with a working platform 23, and the working platform 23 is provided with a guide plate 24 and a clamping plate 25 used in cooperation with the guide plate 24.

When the automatic bottom line weaving machine works, a plurality of warps penetrate through the reed and then are guided and arranged along the guide plate 24 and penetrate through a gap between the guide plate 24 and the clamping plate 25, the clamping plate 25 is pressed and positioned on the upper surfaces of the warps, the plurality of warps are arranged and conveyed stably and reliably, the driving assembly 5 drives the crochet hook assembly 3 and the bottom line assembly 4 to move left and right, the crochet hook assembly 3 is further driven to move left and right respectively to be matched with the weaving assembly 2 to adjust the yarn supply amount of the weft yarns, and the bottom line assembly 4 is driven to move left and right to be matched with the weaving assembly 2 to automatically weave the bottom lines. The yarn feeding device is compact in structure, reasonable in design, simple and convenient to adjust, capable of ensuring consistency and stability of yarn feeding amount and improving production efficiency and production quality.

As shown in fig. 1, 2 and 4, the crochet component 3 of the present embodiment includes a crochet axis 31, a mounting seat 32 sleeved on the crochet axis 31, a weft crochet 33 mounted on the mounting seat 32, and a translation member 34 mounted on an end of the crochet axis 31, and the driving component 5 is drivingly connected to the translation member 34. Specifically, the weft crochet needle 33 is sleeved on the crochet needle axis 31 through the mounting seat 32, the driving component 5 drives the crochet needle axis 31 to move left and right through the translation component 34, and then the position of the weft crochet needle 33 is adjusted, the structure is compact, and the transmission efficiency is high.

As shown in fig. 1, fig. 2 and fig. 5, the bobbin thread assembly 4 of the present embodiment includes a knitting needle shaft 41, an assembling seat 42 sleeved on the knitting needle shaft 41, a bobbin thread 43 installed on the assembling seat 42, and a connecting rod 44 installed on the knitting needle shaft 41, and the driving assembly 5 is drivingly connected to the connecting rod 44. Specifically, the bobbin thread knitting needle 43 is sleeved on the knitting needle axis 41 through the assembling seat 42, the driving assembly 5 drives the connecting rod 44 to drive the knitting needle axis 41 to move left and right, the position of the bobbin thread knitting needle 43 is further adjusted, and then the bobbin thread knitting needle is matched with the weaving assembly 2 to be used for automatically weaving the bobbin thread, so that the weaving efficiency is high.

As shown in fig. 1 and 2, the driving assembly 5 of the present embodiment includes a first bracket 51, a servo motor 52 installed on the first bracket 51, a driving wheel 53 installed at an output end of the servo motor 52, a second bracket 54, a screw 55 installed on the second bracket 54, a nut seat 56 screwed on the outer side of the screw 55, and a driven wheel 57 installed at an end of the screw 55, wherein a transmission belt 58 is connected between the driving wheel 53 and the driven wheel 57, a connecting seat frame 59 is installed at a bottom of the nut seat 56, the connecting seat frame 59 is connected with the translation member 34, a connecting block 510 is installed on an outer side of the nut seat 56, and the connecting block 510 is connected with the connecting rod 44. Specifically, the servo motor 52 drives the driving wheel 53 to rotate, the driving wheel 53 drives the driven wheel 57 to rotate through the transmission belt 58, and further drives the screw rod 55 connected with the driven wheel 57 to rotate, the screw rod 55 is in threaded fit with the nut seat 56, the nut seat 56 drives the translation piece 34 to move through the connecting seat frame 59, the translation piece 34 drives the weft crochet hook 33 to move left and right through the crochet hook axis 31, the structure is simple and compact, and the transmission efficiency is high.

As shown in fig. 1 and 4, the translating element 34 of the present embodiment includes a vertical frame 341, a first movable block 342 hinged to the top of the vertical frame 341, and a second movable block 343 hinged to the bottom of the vertical frame 341, where the first movable block 342 is connected to the crochet needle axis 31, the second movable block 343 is connected to the frame 1, a first hinge shaft 344 is disposed at a connection position between the vertical frame 341 and the first movable block 342, and a second hinge shaft 345 is disposed at a connection position between the vertical frame 341 and the second movable block 343. Specifically, the first movable block 342 is connected with the crochet hook axis 31, the first movable block 342 is rotatably connected with the vertical frame 341 through the first hinge shaft 344, the second movable block 343 is connected with the frame 1, the second movable block 343 is rotatably connected with the vertical frame 341 through the second hinge shaft 345, when the driving assembly 5 drives the crochet hook axis 31 to move left and right through the translation member 34, the connection between the second movable block 343 and the frame 1 is used as a fixed fulcrum, the vertical frame 341 is driven to swing left and right through the first movable block 342, it is ensured that the crochet hook axis 31 moves slowly and stably, and the position adjustment effect is good.

As shown in fig. 1, the second bracket 54 of the present embodiment is provided at both ends thereof with a first limit switch 511 and a second limit switch 512, respectively, for limiting the displacement distance of the nut holder 56. Specifically, the first limit switch 511 and the second limit switch 512 respectively disposed at two ends of the second bracket 54 effectively sense and detect the position of the nut seat 56 to limit the displacement distance of the nut seat 56, thereby improving the working safety and the working stability.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (6)

1. A weft crochet device of a wide and narrow belt knitting machine is characterized in that: including the frame, install in the weaving subassembly of frame, with weave needle subassembly, the bottom line subassembly that the subassembly cooperation was used and be used for driving the drive assembly that moves about needle subassembly, the bottom line subassembly, weave the subassembly including installing the base in the frame, the protruding needle of weaving that is equipped with of base, the top of base is provided with the workstation, the workstation is provided with the deflector and cooperates the grip block of using with the deflector.

2. The weft crochet device of a wide and narrow band knitting machine according to claim 1, characterized in that: the crochet component comprises a crochet axis, a mounting seat sleeved on the crochet axis, a weft crochet installed on the mounting seat and a translation piece installed at the end part of the crochet axis, and the driving component is in driving connection with the translation piece.

3. The weft crochet device of a broad and narrow band knitting machine according to claim 2, characterized in that: the bobbin thread component comprises a knitting needle axis, an assembly seat sleeved on the knitting needle axis, a bobbin thread knitting needle arranged on the assembly seat and a connecting rod arranged on the knitting needle axis, and the driving component is in driving connection with the connecting rod.

4. The weft crochet device of a wide and narrow band knitting machine according to claim 3, characterized in that: the driving assembly comprises a first support, a servo motor arranged on the first support, a driving wheel arranged at the output end of the servo motor, a second support, a screw rod arranged on the second support, a nut seat sleeved outside the screw rod in a screwing mode and a driven wheel arranged at the end part of the screw rod, a driving belt is connected between the driving wheel and the driven wheel, a connecting seat frame is arranged at the bottom of the nut seat, the connecting seat frame is connected with the translation piece, a connecting block is arranged on the outer side of the nut seat, and the connecting block is connected with the connecting rod.

5. The weft crochet device of a broad and narrow band knitting machine according to claim 2, characterized in that: the translation piece includes the grudging post, articulates in the first movable block at grudging post top and articulates in the second movable block of grudging post bottom, first movable block is connected with the crochet needle axle center, the second movable block is connected with the frame, the junction between grudging post and the first movable block is provided with first articulated shaft, the junction between grudging post and the second movable block is provided with the second articulated shaft.

6. The weft crochet device of a broad and narrow band knitting machine according to claim 4, characterized in that: and a first limit switch and a second limit switch for limiting the displacement distance of the nut seat are respectively arranged at two ends of the second support.

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