CN220619377U - Wire pressing mechanism of multi-needle machine - Google Patents
Wire pressing mechanism of multi-needle machine Download PDFInfo
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- CN220619377U CN220619377U CN202322239988.4U CN202322239988U CN220619377U CN 220619377 U CN220619377 U CN 220619377U CN 202322239988 U CN202322239988 U CN 202322239988U CN 220619377 U CN220619377 U CN 220619377U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 230000000694 effects Effects 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009958 sewing Methods 0.000 abstract description 17
- 230000033764 rhythmic process Effects 0.000 abstract description 2
- 238000009940 knitting Methods 0.000 description 9
- 230000004044 response Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model provides a thread pressing mechanism of a multi-needle machine, and belongs to the technical field of sewing machines. The technical problem of satisfactory guarantee of the line pressing rhythm of the existing multi-needle machine is solved. The wire pressing mechanism of the multi-needle machine comprises a machine body, wherein the wire pressing mechanism comprises a support fixedly arranged on the outer side of the machine body, and is characterized in that a wire pressing frame capable of moving vertically is connected to the support in a sliding mode, a swinging rod and a vertically arranged electromagnetic cylinder are further arranged on the support, one end of the swinging rod is rotatably connected to the support, the output end of the electromagnetic cylinder is movably hinged to the middle of the swinging rod, and the other end of the swinging rod is movably hinged to the wire pressing frame. The line pressing mechanism of the multi-needle machine can ensure the accurate and smooth operation of the multi-needle machine.
Description
Technical Field
The utility model belongs to the technical field of sewing machines, and relates to a thread pressing mechanism of a multi-needle machine.
Background
The multi-needle machine is a sewing machine with a plurality of groups of sewing needles, and has very wide application in decorative sewing. The multi-needle machine includes 3, 4, 6, 9, 12, 16, 21, 24, 25, 33, 38, and 50 needle sewing machines, divided by the number of needles. The multi-needle machine can realize functions of pleating, beating, rubber band wrinkling and the like after the auxiliary device is added. The multi-needle machine relates to multi-stitch threads, and a thread pressing mechanism is matched with a sewing process in the thread conveying process to ensure the sewing effect.
The patent with the publication number of CN212199616U discloses an automatic thread cutting device, which comprises a thread cutting mechanism arranged below a sewing machine head, a thread pressing mechanism and a thread loosening mechanism arranged on the sewing machine head and an electric control system. The utility model adopts a mode of electrically connecting the electric control system with the thread cutting cylinder, the thread pressing cylinder and the thread loosening cylinder respectively, so that the thread pressing group presses down the sewing thread before thread cutting after sewing is finished, the function of reserving the thread length is realized, and the thread pressing group is lifted up when the sewing is carried out again to ensure that the thread length is enough when the sewing is carried out again.
The device drives the line pressing support through the air cylinder to realize line pressing operation on the knitting lines, but the frequency of the multi-needle machine in the operation process is very high, the response speed of the air cylinder is insufficient, the line pressing rhythm is easy to influence, and the driving piece with high response speed tends to have smaller stroke.
Disclosure of Invention
The utility model aims at the problems existing in the prior art, and provides a line pressing mechanism of a multi-needle machine, which aims at solving the technical problems that: and the response speed of wire feeding control is ensured.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a line ball mechanism of multiple needle machine, multiple needle machine includes the organism, line ball mechanism including set firmly in the support in the outside of organism, its characterized in that, but sliding connection has the line pressing frame of vertical activity on the support, still be equipped with pendulum rod and vertical arrangement's electromagnetic cylinder on the support, the one end rotation of pendulum rod is connected on the support, electromagnetic cylinder's output with the middle part activity of pendulum rod is articulated, the pendulum rod other end and line pressing frame activity are articulated.
The machine body is a working assembly of the multi-needle machine, and the bracket arranged on the outer side of the machine body is an installation platform of the wire pressing mechanism; through setting up but vertical gliding line ball frame on the support to set up electromagnetic cylinder and pendulum rod on the support, make pendulum rod one end rotate and connect on the support, electromagnetic cylinder and pendulum rod middle part swing joint and effect, the vertical activity of line ball frame is controlled to the other end of pendulum rod, make full use of electromagnetic cylinder response sensitive characteristics like this, and the rethread pendulum rod enlarges the stroke of electromagnetic cylinder output, and then makes line ball frame can realize quick line response, guarantee the accurate smooth and easy operation of many needle machines.
In the line pressing mechanism of the multi-needle machine, the middle part and the other end of the swing rod are respectively provided with a waist-shaped sliding hole arranged along the length direction, and the output end of the electromagnetic cylinder and the line pressing frame are movably hinged with the corresponding sliding holes through pin shafts. Thus, the electromagnetic cylinder and the wire pressing frame can keep stable vertical movement in the moving process of the swing rod, the influence of component interference can not be received, and the stable operation of the wire pressing mechanism is ensured.
In the above-mentioned line ball mechanism of many needles machine, have the spout of vertical setting on the support, line ball frame part location is inlayed and is located in the spout and can follow this spout and slide from top to bottom. Thus, the wire pressing frame can be guaranteed to act vertically and stably, and the wire pressing effect is guaranteed.
In the above-mentioned line pressing mechanism of the multi-needle machine, the support is provided with at least two kidney-shaped holes arranged in parallel along the horizontal direction, the support is fixedly connected with the machine body through a connecting piece penetrating through the kidney-shaped holes, and the extending direction of the kidney-shaped holes is perpendicular to the arrangement direction of the knitting lines at the line pressing frame. Thus, the user can adjust the extension amount of the whole bracket according to the introduction quantity and the position of the actual knitting yarns, and the line pressing frame can act on the knitting yarns more balanced and stable.
In the above-mentioned line pressing mechanism of multi-needle machine, two cantilevers which are transversely arranged at intervals left and right are fixedly arranged on the machine body and used for supporting the knitting lines, the line pressing frame is arranged between the two cantilevers, the line pressing frame comprises a pressing rod which is arranged in parallel with the cantilevers, and the position of the pressing rod is lower than that of the cantilevers. The wire pressing effect on the upper wires is achieved, the pressing rods act on the upper wires supported between the two cantilevers when the wire pressing frame is lifted, and the reserved wire length is achieved for multiple groups of upper wires.
In the thread pressing mechanism of the multi-needle machine, the machine body is provided with the thread lifting swing arm, and the support is arranged close to the thread lifting swing arm. The thread lifting swing arm is an existing component, and can lift the surface threads to tighten the seams in the sewing process, so that the upper thread conveying deviation is reduced, and the stable linkage effect of the thread pressing and the thread lifting swing arm is guaranteed.
As another scheme, the line pressing frame comprises two support plates which are parallel left and right and are vertically arranged, through holes are formed in the support plates, and the two through holes are oppositely arranged. Thus, the bottom line can be arranged and supported in the through hole, the bottom line is prevented from hanging when the downward line pressing operation is realized, and smooth conveying of the bottom line is facilitated.
Compared with the prior art, the utility model has the following advantages:
the thread pressing mechanism of the multi-needle machine adopts the electromagnetic cylinder as a driving source and is matched with the linkage mechanism to realize the amplification of the driving stroke of the electromagnetic cylinder, thereby ensuring the thread pressing effect and simultaneously improving the response speed and ensuring the sewing operation.
Drawings
Fig. 1 is a schematic perspective view of the first embodiment.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic perspective view of a partial structure of a medium-voltage wire mechanism according to an embodiment.
Fig. 4 is a schematic side view of a part of the structure of the medium-voltage wire mechanism according to the first embodiment.
Fig. 5 is a schematic perspective view of the second embodiment.
Fig. 6 is an enlarged view of a portion B in fig. 5.
In the figure, 1, a machine body; 11. lifting a wire swing arm;
2. a bracket; 21. a chute; 22. waist-shaped holes; 23. a cantilever;
3. a wire pressing frame; 31. a compression bar; 32. a support plate; 321. a via hole;
4. swing rod; 41. a slide hole;
5. an electromagnetic cylinder; 6. and a connecting piece.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Embodiment one:
as shown in fig. 1-4, in the line pressing mechanism of the multi-needle machine, the multi-needle machine comprises a machine body 1, the line pressing mechanism comprises a support 2 fixedly arranged on the outer side of the machine body 1, a line pressing frame 3 capable of vertically moving is slidably connected on the support 2, a swing rod 4 and a vertically arranged electromagnetic cylinder 5 are further arranged on the support 2, the electromagnetic cylinder 5 is a device for controlling the stroke through a magnet in advance in the prior art, one end of the swing rod 4 is rotatably connected on the support 2, the output end of the electromagnetic cylinder 5 is movably hinged with the middle part of the swing rod 4, and the other end of the swing rod 4 is movably hinged with the line pressing frame 3. The machine body 1 is a working assembly of the multi-needle machine, and the bracket 2 arranged on the outer side of the machine body 1 is an installation platform of the wire pressing mechanism; through setting up but vertical gliding line ball frame 3 on support 2 to set up electromagnetic cylinder 5 and pendulum rod 4 on support 2, make pendulum rod 4 one end rotate connect on support 2, electromagnetic cylinder 5 and pendulum rod 4 middle part swing joint and effect, the vertical activity of line ball frame 3 is controlled to the other end of pendulum rod 4, make full use of electromagnetic cylinder 5 response sensitive characteristics like this, the rethread pendulum rod 4 enlarges the stroke of electromagnetic cylinder 5 output, and then makes line ball frame 3 can realize quick line response, guarantee the accurate smooth and easy operation of many needles machine. Specifically, the middle part and the other end of the swing rod 4 are respectively provided with a waist-shaped sliding hole 41 arranged along the length direction, and the output end of the electromagnetic cylinder 5 and the wire pressing frame 3 are respectively movably hinged with the corresponding sliding hole 41 through pin shafts. Thus, the electromagnetic cylinder 5 and the wire pressing frame 3 can keep stable vertical movement in the moving process of the swing rod 4, the influence of interference of parts can not be received, and the stable operation of the wire pressing mechanism is ensured. The support 2 is provided with a chute 21 which is vertically arranged, the chute 21 can be a dovetail groove, and the line pressing frame 3 is partially embedded in the chute 21 in a positioning way and can slide up and down along the chute 21. Thus, the wire pressing frame 3 can be guaranteed to act vertically and stably, and the wire pressing effect is guaranteed. The bracket 2 is provided with two waist-shaped holes 22 which are arranged in parallel along the horizontal direction, the bracket 2 is fixedly connected with the machine body 1 through a connecting piece 6 penetrating through the waist-shaped holes 22, the connecting piece 6 is a bolt, and the extending direction of the waist-shaped holes 22 is perpendicular to the arrangement direction of the knitting lines at the press line frame 3. Thus, the user can adjust the extending amount of the whole bracket 2 according to the introducing amount and the position of the actual knitting yarns, and the pressing frame 3 can act on the knitting yarns more balanced and stable. Two cantilevers 23 which are transversely arranged at intervals left and right and used for supporting knitting threads are fixedly arranged on the machine body 1, the line pressing frame 3 is arranged between the two cantilevers 23, the line pressing frame 3 comprises pressing rods 31 which are arranged in parallel with the cantilevers 23, and the position of each pressing rod 31 is lower than that of each cantilever 23. The effect of pressing the upper threads is achieved, the upper threads supported between the two cantilevers 23 are acted by the pressing rods 31 when the thread pressing frame 3 is lifted, and the reserved thread length is achieved for multiple groups of upper threads. The machine body 1 is provided with a wire lifting swing arm 11, and the bracket 2 is arranged close to the wire lifting swing arm 11. The lifting swing arm 11 is an existing component, and can lift the surface threads to tighten the seams in the sewing process, so that the upper thread conveying deviation is reduced, and the stable linkage effect of the pressing lines and the lifting swing arm 11 is guaranteed.
Embodiment two:
as shown in fig. 5 and 6, this embodiment is basically the same as the first embodiment, except that: the wire pressing frame 3 comprises two support plates 32 which are parallel left and right and are vertically arranged, the support plates 32 are provided with through holes 321, and the two through holes 321 are oppositely arranged. Thus, the bottom line can be arranged and supported in the through hole 321, the bottom line is prevented from hanging when the downward line pressing operation is realized, and smooth conveying of the bottom line is facilitated.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides a line ball mechanism of many needles machine, includes organism (1), line ball mechanism including set firmly in support (2) in the outside of organism (1), its characterized in that, sliding connection has line ball frame (3) that can vertical activity on support (2), still be equipped with pendulum rod (4) and vertical arrangement's electromagnetic cylinder (5) on support (2), the one end rotation of pendulum rod (4) is connected on support (2), the output of electromagnetic cylinder (5) with the middle part activity of pendulum rod (4) is articulated, the other end of pendulum rod (4) is articulated with line ball frame (3) activity.
2. The line pressing mechanism of the multi-needle machine according to claim 1, wherein the middle part and the other end of the swing rod (4) are respectively provided with a kidney-shaped sliding hole (41) which is arranged along the length direction, and the output end of the electromagnetic cylinder (5) and the line pressing frame (3) are respectively movably hinged with the corresponding sliding hole (41) through pin shafts.
3. The line pressing mechanism of the multi-needle machine according to claim 1 or 2, wherein the bracket (2) is provided with a chute (21) which is vertically arranged, and the line pressing frame (3) is partially positioned and embedded in the chute (21) and can slide up and down along the chute (21).
4. The thread pressing mechanism of a multi-needle machine according to claim 1 or 2, wherein the bracket (2) is provided with at least two kidney-shaped holes (22) which are arranged in parallel along the horizontal direction, the bracket (2) is fixedly connected with the machine body (1) through a connecting piece (6) penetrating through the kidney-shaped holes (22), and the extending direction of the kidney-shaped holes (22) is perpendicular to the arrangement direction of the thread at the thread pressing frame (3).
5. The thread pressing mechanism of a multi-needle machine according to claim 1 or 2, wherein two cantilevers (23) which are transversely arranged at intervals left and right and used for supporting a thread are fixedly arranged on the machine body (1), the thread pressing frame (3) is arranged between the two cantilevers (23), the thread pressing frame (3) comprises a pressing rod (31) which is arranged in parallel with the cantilevers (23), and the position of the pressing rod (31) is lower than that of the cantilevers (23).
6. The thread pressing mechanism of a multi-needle machine according to claim 1 or 2, wherein the machine body (1) is provided with a thread lifting swing arm (11), and the bracket (2) is arranged close to the thread lifting swing arm (11).
7. The thread pressing mechanism of the multi-needle machine according to claim 1 or 2, wherein the thread pressing frame (3) comprises two support plates (32) which are parallel left and right and are vertically arranged, the support plates (32) are provided with through holes (321), and the two through holes (321) are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239988.4U CN220619377U (en) | 2023-08-18 | 2023-08-18 | Wire pressing mechanism of multi-needle machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239988.4U CN220619377U (en) | 2023-08-18 | 2023-08-18 | Wire pressing mechanism of multi-needle machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220619377U true CN220619377U (en) | 2024-03-19 |
Family
ID=90232624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322239988.4U Active CN220619377U (en) | 2023-08-18 | 2023-08-18 | Wire pressing mechanism of multi-needle machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220619377U (en) |
-
2023
- 2023-08-18 CN CN202322239988.4U patent/CN220619377U/en active Active
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