CN217298241U

CN217298241U - Top elastic yarn conveying structure of multi-needle machine

Info

Publication number: CN217298241U
Application number: CN202220478597.0U
Authority: CN
Inventors: 闫琳; 崔荣铎
Original assignee: TIANJIN HUATANG SEWING MACHINE MANUFACTURING CO LTD
Current assignee: TIANJIN HUATANG SEWING MACHINE MANUFACTURING CO LTD
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-08-26
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to a many needle machines auxiliary assembly technical field provides a top elastic thread transport structure of many needle machines, include: many needle machine shell, top mounting panel, rubber band line conveyor components, crank drive assembly and back tow boat control shaft, top mounting panel fixed mounting are at many needle machine shell top, and rubber band line conveyor components fixed mounting is on the top mounting panel, and back tow boat control shaft passes through crank drive assembly and is connected with rubber band line conveyor components, and rubber band line conveyor components can carry out the rubber band line under the effect of back tow boat control shaft and carry, the utility model discloses can adjust the elasticity of quick-witted needle rubber band line, make things convenient for the wiring, it is the same to have guaranteed simultaneously that the sewing machine makes up the frequency, simple structure, and convenient to use has improved work efficiency.

Description

Top elastic yarn conveying structure of multi-needle machine

Technical Field

The utility model relates to a many needle machines auxiliary assembly technical field has especially related to a top elastic thread transport structure of many needle machines.

Background

The multi-needle machine has various types and is widely applied to decorative sewing. The multi-needle sewing machine is divided into 3-needle, 4-needle, 6-needle, 9-needle, 12-needle, 16-needle, 21-needle, 24-needle, 25-needle, 33-needle, 38-needle and 50-needle sewing machines. The multi-needle machine can realize the functions of pleating, packaging, rubber band wrinkle extraction and the like after being provided with the auxiliary device.

The existing multi-needle machine mainly adopts a plurality of groups of thread clamps which are dispersed on a thread frame, wherein one thread is in a group, and needles and threads are usually sewn in a passive conveying mode.

However, when the elastic thread of the multi-needle machine is conveyed, the tightness of the elastic thread of the machine needle cannot be adjusted at will, so that great inconvenience is brought to users when elastic clothes are sewn.

SUMMERY OF THE UTILITY MODEL

In order to solve when carrying the elastic thread of many needles machine, can not adjust the elasticity of eedle elastic thread at will to bring very big inconvenient problem for the user when making up the elasticity clothing, the utility model provides a top elastic thread transport structure of many needles machine solves this problem.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a top elastic thread conveying structure of a multi-needle machine, comprising: a multiple needle housing, further comprising: top mounting panel, rubber band line conveyor components, crank drive assembly and back tow boat control shaft, top mounting panel fixed mounting is at many needle machine shell top, and rubber band line conveyor components fixed mounting is on the top mounting panel, and back tow boat control shaft passes through crank drive assembly to be connected with rubber band line conveyor components, and rubber band line conveyor components can carry out the rubber band line under the effect of back tow boat control shaft and carry.

Preferably, the oil nozzle avoiding hole is formed in the top mounting plate and is a long round hole, and the oil nozzle avoiding hole is used for avoiding the oil inlet nozzle.

Preferably, the elastic thread conveying assembly comprises: the driving wheel is arranged on the mounting seat, the pressing wheel arranged in parallel with the axis of the driving wheel is arranged in the adjusting assembly, the driving wheel and the pressing wheel can freely rotate along the axis of the driving wheel, the pressing wheel presses on the driving wheel, the adjusting assembly is fixedly arranged on the mounting seat, the adjusting assembly can adjust pressing force between the pressing wheel and the driving wheel, and one end of the driving wheel is connected with a rear tug control shaft through a crank transmission assembly.

Preferably, the adjustment assembly comprises: the supporting plates are arranged at two ends of the pressing wheel, the transverse rods parallel to the axis of the pressing wheel are arranged in the two groups of supporting plates, one end of each transverse rod penetrates through the mounting seat and is fixedly connected with the adjusting handle, the positioning plate sleeved on the transverse rods is arranged between the adjusting handle and the mounting seat and is fixedly connected with the adjusting handle, a sliding groove is further formed in the positioning plate, and the fastening screws are arranged in the sliding groove.

Preferably, the crank drive assembly comprises: guide block A, slider A, connecting rod, slider B and guide block, guide block A one end is connected with drive wheel one end, and the guide block A other end is provided with the guide slot, and slider A one end sets up in guide slot A, and slider A can slide in guide slot A, and the slider A other end passes through the connecting rod to be connected with slider B one end, and the slider B other end sets up in the guide slot B of guide block one end, the guide block other end and back tow boat control shaft fixed connection.

Preferably, the outer side surfaces of the driving wheel and the pinch roller are provided with knurling.

Preferably, the front side and the rear side of the mounting seat are further provided with wire guide plates, a plurality of groups of wire guide holes are uniformly arranged on the wire guide plates in an array manner, and the horizontal height positions of the wire guide holes correspond to the horizontal height of the pressing position of the driving wheel and the pressing wheel.

The utility model has the advantages that: the utility model discloses a set up the rubber band line conveying assembly in many needle thread wares shell, make things convenient for rubber band line conveying assembly and coil wiring, adopt the elasticity that rubber band line conveying assembly can control the rubber band line, adopt crank drive assembly to make back tow boat control shaft and rubber band line conveying assembly synchronous operation can guarantee that the back tow boat of back tow boat control shaft control is synchronous with the rubber band line of rubber band line conveying assembly output, guarantee that the sewing machine sews up the progress frequency the same.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a structural isometric view of the present invention;

FIG. 2 is a structural isometric view of the top mounting plate of the present invention;

FIG. 3 is a structural axial view of the elastic yarn conveying assembly of the present invention;

FIG. 4 is a structural isometric view of the adjustment assembly of the present invention;

figure 5 is a side view of the adjustment assembly of the present invention;

fig. 6 is a partial enlarged view of the crank drive assembly of the present invention.

Description of reference numerals:

1. a multi-needle housing; 2. a top mounting plate; 3. an elastic yarn conveying assembly; 4. a crank drive assembly; 5. a rear tug control shaft; 21. a nozzle clearance hole; 31. a mounting seat; 32. a drive wheel; 33. a pinch roller; 34. an adjustment assembly; 341. a cross bar; 342. a support plate; 343. adjusting the handle; 344. positioning a plate; 345. a fastening screw; 41. a guide block A; 42. a slide block A; 43. a connecting rod; 44. a slide block B; 45. a guide block; 411. a guide groove A; 451. a guide groove B; 311. a wire guide plate; 3111. a wire guide hole.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example (b):

with reference to fig. 1, fig. 1 is a structural shaft side view of the present invention, a top elastic thread conveying structure of a multi-needle machine, comprising: many needle machine shell 1, top mounting panel 2, elastic thread conveying assembly 3, crank drive assembly 4 and rear tug control shaft 5, top mounting panel 2 passes through countersunk screw fixed mounting at many needle machine shell 1 top, and the outside line source of being convenient for is connected with elastic thread conveying assembly 3 to make things convenient for elastic thread conveying assembly 3 to be connected with the needle of operating the computer, convenient operation.

The bottom of the elastic yarn conveying assembly 3 is fixedly arranged on the top mounting plate 2 through a sunk screw, so that the elastic yarn conveying assembly is small in size and convenient to disassemble and assemble.

Rear tug control shaft 5 is connected with rubber string line conveyor assembly 3 through crank drive assembly 4, rubber string line conveyor assembly 3 can carry out the rubber string line under rear tug control shaft 5's effect and carry out certain angle's reciprocating rotation in the effect of main shaft, rear tug control shaft 5 mainly controls the rotation of rear tug, be connected rear tug control shaft 5 with rubber string line conveyor assembly 3 through utilizing crank drive assembly 4, make rubber string line conveyor assembly 3's pine line frequency and rear tug rotate synchronous, guarantee that the sewing machine stitches the progress frequency the same.

Explaining in combination with fig. 2, fig. 2 is the structure axonometric view of the top mounting panel of the utility model, be provided with the glib axle side view on the top mounting panel 2 and dodge hole 21, glib dodge hole 21 and be the slotted hole, glib dodge hole 21 and be used for dodging the oil nipple, when 1 upper portion oil nipple of multi-needle machine body was not used, need use the oil plug to plug up the oil nipple, set up the glib and dodge hole 21 and make things convenient for the dismouting oil plug.

Explaining in conjunction with fig. 3, fig. 3 is a structural axis side view of the elastic yarn conveying assembly of the present invention, the elastic yarn conveying assembly 3 includes: mount pad 31, drive wheel 32, pinch roller 33 and adjusting part 34, drive wheel 32 sets up on mount pad 31, and install in adjusting part 34 with pinch roller 33 of drive wheel 32 axis parallel arrangement, drive wheel 32 and pinch roller 33 can follow self axis free rotation, and pinch roller 33 presses on drive wheel 32, can hold the elastic cord between pinch roller 33 and the drive wheel 32 and pass through.

An adjusting assembly 34 is arranged on the mounting seat 31, and the adjusting assembly 34 can adjust the pressing force between the pressing wheel 33 and the driving wheel 32 for controlling the yarn feeding frequency of the elastic yarns.

A long shaft connected with one end of a driving wheel 32 passes through the mounting seat 31 and is connected with a rear tug control shaft 5 through a crank transmission assembly 4.

With reference to fig. 4 and 5, fig. 4 is a structural axial view of the adjusting assembly of the present invention; fig. 5 is a side view of the adjustment assembly of the present invention, wherein the adjustment assembly 34 comprises: the automatic adjusting device comprises a cross bar 341, support plates 342, an adjusting handle 343, a positioning plate 344 and a fastening screw 345, wherein the two groups of support plates 342 are respectively arranged at two ends of a press wheel 33, the press wheel 33 can freely rotate between the two groups of support plates 342, the cross bar 341 arranged in parallel with the axis of the press wheel 33 is fixedly arranged in the two groups of support plates 342, one end of the cross bar 341 penetrates through the support plates 342 and the mounting seat 31 to be fixedly connected with the adjusting handle 343, the press wheel 33 can be separated from the driving wheel 32 by rotating the adjusting handle 343, the positioning plate 344 sleeved on the cross bar 341 is arranged between the adjusting handle 343 and the mounting seat 31 and is fixedly connected with the adjusting handle 343, the adjusting handle 343 and the positioning plate 344 synchronously rotate, a sliding groove is further arranged on the positioning plate 344, the fastening screw 345 is arranged in the sliding groove, the pressure of the fastening screw 345 on the positioning plate 344 can be adjusted by loosening and tightening the fastening screw 345, so as to fix the adjusted position of the adjusting handle 343, the pressing force of the elastic yarn is controlled by adjusting the gap between the pressing wheel 33 and the driving wheel 32 through the adjusting handle 343, and then the yarn feeding frequency of the elastic yarn is controlled.

With reference to fig. 6, fig. 6 is a partial enlarged view of the crank drive assembly of the present invention, wherein the crank drive assembly 4 comprises: the device comprises a guide block A41, a slide block A42, a connecting rod 43, a slide block B44 and a guide block 45, wherein one end of the guide block A41 is connected with one end of a driving wheel 32, the other end of the guide block A41 is provided with a guide groove A411, one end of the slide block A42 is arranged in the guide groove A411, a slide block A42 can slide in the guide groove A411 and is used for controlling the swinging angle of the guide block A41, the slide block A42 can slide in the guide groove A411, the other end of the slide block A42 is connected with one end of the slide block B44 through the connecting rod 43, the other end of the slide block B44 is arranged in the guide groove B451 at one end of the guide block 45, the slide block B44 can slide in the guide groove B451 and is used for controlling the swinging angle of the guide block 45, the other end of the guide block A45 is fixedly connected with a rear tug control shaft 5, the guide block 45 is controlled to swing through the reciprocating rotation of a certain angle of the rear tug control shaft 5, the guide block B43 drives the connecting rod 43 to move up and down, the connecting rod 43 drives the guide block A41 to move up and down, the guide block A41 drives the guide block A41 to swing, the guide block A41 controls the long shaft connected with the driving wheel 32 to rotate back and forth at a certain angle, the driving wheel 32 is connected with the long shaft through a one-way bearing or a ratchet wheel, the one-way bearing or the ratchet wheel is the prior art, the driving wheel 32 can only rotate in one direction through the one-way bearing or the ratchet wheel, and the driving wheel 32 is prevented from rotating reversely when the long shaft rotates back and forth.

As shown in fig. 3, knurling is provided on the outer side surfaces of driving wheel 32 and pressing wheel 33 to increase the friction between driving wheel 32 and pressing wheel 33 and the elastic thread.

As shown in fig. 1 and fig. 3, the front and back sides of the mounting seat 31 are further provided with wire guide plates 311, a plurality of sets of wire guide holes 3111 are uniformly arranged on the wire guide plates 311 in an array, the horizontal height position of the wire guide holes 3111 corresponds to the horizontal height of the pressing position of the driving wheel 32 and the pressing wheel 33, an elastic yarn penetrates through the wire guide holes 3111 of the wire guide plate 311 on the front side and then enters between the driving wheel 32 and the pressing wheel 33, and then penetrates out of the wire guide holes 3111 of the wire guide plate 311 on the back side, so that the conveying process becomes more stable.

The utility model discloses a theory of operation: can control drive wheel 32 and pinch roller 33's axle center distance through adjusting adjustment subassembly 34, be used for controlling the line frequency of sending of rubber band line, can give rubber band line conveyor assembly 3 with the power transmission of back tow boat control axle 5 through crank drive assembly 4, make drive wheel 32 can carry out intermittent type unidirectional rotation under the output of back tow boat control axle 5, through adjusting the position of each slider in the guide block, can adjust the unidirectional rotation frequency of drive wheel 32, the utility model discloses elasticity when the rubber band line that can adjust the multi-needle machine sent the line, and the rubber band line send the line frequency the same with the rotational frequency of back tow boat, guaranteed the sewing progress frequency of multi-needle machine, simultaneously, rubber band line conveyor assembly 3 sets up in 1 top of multi-needle machine body, be convenient for rubber band line conveyor assembly 3 with external line source and with the needle wiring of operating the computer.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

Claims

1. A top elastic thread conveying structure of a multi-needle machine, comprising: the multi-needle housing (1) is characterized by further comprising: top mounting panel (2), elastic yarn conveying assembly (3), crank drive assembly (4) and back tow boat control axle (5), top mounting panel (2) fixed mounting is at many needle machine shell (1) top, and elastic yarn conveying assembly (3) fixed mounting is on top mounting panel (2), and back tow boat control axle (5) are connected with elastic yarn conveying assembly (3) through crank drive assembly (4), and elastic yarn conveying assembly (3) can carry out the elastic yarn and carry under the effect of back tow boat control axle (5).

2. The top elastic yarn conveying structure of the multi-needle machine as claimed in claim 1, wherein the top mounting plate (2) is provided with a nozzle tip avoiding hole (21), the nozzle tip avoiding hole (21) is a long circular hole, and the nozzle tip avoiding hole (21) is used for avoiding an oil nozzle.

3. A top elastomeric thread transfer structure of a multi-needle machine according to claim 1, characterized in that said elastomeric thread transfer assembly (3) comprises: mount pad (31), drive wheel (32), pinch roller (33) and adjustment subassembly (34), mount pad (31) fixed mounting is on top mounting panel (2) upside, drive wheel (32) set up on mount pad (31), install in adjustment subassembly (34) with pinch roller (33) that drive wheel (32) axis parallel arrangement, drive wheel (32) and pinch roller (33) can follow self axis free rotation, pinch roller (33) are pressed on drive wheel (32), adjustment subassembly (34) set up on mount pad (31), the packing force between adjustable pinch roller (33) of adjustment subassembly (34) and drive wheel (32), the major axis of being connected with drive wheel (32) one end passes mount pad (31) one end and is connected with back tow boat control shaft (5) through crank transmission assembly (4).

4. A top elastic thread transfer structure of a multiple needle machine according to claim 3, characterized in that said adjustment assembly (34) comprises: the clamping device comprises a cross rod (341), support plates (342), an adjusting handle (343), a positioning plate (344) and fastening screws (345), wherein the support plates (342) are arranged at two ends of a pressing wheel (33), the cross rod (341) arranged in parallel with the axis of the pressing wheel (33) is arranged in the two groups of support plates (342), one end of the cross rod (341) penetrates through a mounting seat (31) and is fixedly connected with the adjusting handle (343), the positioning plate (344) sleeved on the cross rod (341) is arranged between the adjusting handle (343) and the mounting seat (31) and is fixedly connected with the adjusting handle (343), a sliding groove is further formed in the positioning plate (344), and the fastening screws (345) are arranged in the sliding groove.

5. A top elastic thread transfer structure of a multiple needle machine according to claim 3, characterized in that said crank transmission assembly (4) comprises: guide block A (41), slider A (42), connecting rod (43), slider B (44) and guide block (45), guide block A (41) one end is passed through the major axis with drive wheel (32) one end and is connected, be connected through one-way bearing between major axis and drive wheel (32), the guide block A (41) other end is provided with guide slot A (411), slider A (42) one end sets up in guide slot A (411), slider A (42) can slide in guide slot A (411), the slider A (42) other end passes through connecting rod (43) and is connected with slider B (44) one end, slider B (44) other end sets up in guide slot B (451) of guide block (45) one end, guide block (45) other end and back tow boat control shaft (5) fixed connection.

6. A top elastic thread conveying structure of a multi-needle machine as claimed in claim 3, characterized in that the driving wheel (32) and the pressing wheel (33) are provided with knurling on the outer side.

7. The top elastic yarn conveying structure of the multi-needle machine according to claim 3, wherein the front side and the rear side of the mounting seat (31) are further provided with yarn guide plates (311), a plurality of groups of yarn guide holes (3111) are uniformly arrayed on the yarn guide plates (311), and the horizontal height position of the yarn guide holes (3111) corresponds to the horizontal height of the pressing position of the driving wheel (32) and the pressing wheel (33).