CN220619378U - Stitch control mechanism of multi-needle machine - Google Patents
Stitch control mechanism of multi-needle machine Download PDFInfo
- Publication number
- CN220619378U CN220619378U CN202322237270.1U CN202322237270U CN220619378U CN 220619378 U CN220619378 U CN 220619378U CN 202322237270 U CN202322237270 U CN 202322237270U CN 220619378 U CN220619378 U CN 220619378U
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- China
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- presser foot
- control mechanism
- lift
- stitch control
- line board
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000009958 sewing Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 10
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000004744 fabric Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 235000005770 birds nest Nutrition 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 235000005765 wild carrot Nutrition 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing 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 stitch control mechanism of a multi-needle machine, and belongs to the technical field of sewing machines. The technical problem of current many needles machine end of a thread lift has been solved to it. This many needles machine stitch control mechanism, many needles machine include the aircraft nose, stitch control mechanism including connect in lift the presser foot on the aircraft nose, lift the pinhole that has a plurality of interval arrangements on the presser foot, rotate on the aircraft nose and be connected with from top to bottom and can initiative wobbling pendulum rod, this lift on the presser foot sliding connection have on the presser foot and carry the line board, carry on the line board have a plurality of with the through-hole of pinhole one-to-one intercommunication, have on the pendulum rod along the spout that length direction arranged, carry line board swing joint in the spout and with this pendulum rod relative rotation, can drive when the pendulum rod swings carry the line board and lift the presser foot relatively and transversely translate. The stitch control mechanism can realize synchronous lifting of thread ends formed by thread cutting, improves the next sewing effect, and does not influence the normal movement of the presser foot.
Description
Technical Field
The utility model belongs to the technical field of sewing machines, and relates to a stitch control 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. In the sewing process, the thread end of the upper thread after thread cutting needs to be lifted.
The patent with the authorized bulletin number of CN207919103U discloses an electromagnetic bird nest prevention device, which comprises a circular blade, a thread hooking device and a thread loosening device which are arranged in a presser foot bottom plate, wherein a first mounting frame of the thread loosening device is fixedly arranged above a sewing machine head, and the width of the first mounting frame is larger than or equal to the width of the sewing machine head; the connecting piece is fixedly connected to one side of the presser foot handle relative to the sewing machine needle; one end of the poking block is hinged with the first mounting frame, and the other end of the poking block extends downwards to form a supporting leg; one end of the L-shaped connecting rod is hinged on the poking block close to the supporting foot, and the other end of the L-shaped connecting rod is fixedly connected with the upper end of the presser foot lifting rod; the lower end of the presser foot lifting rod is fixedly connected with the connecting piece; the upper end of the thread loosening rod is hinged to the other end of the first mounting frame, which is far away from the hinged position of the poking block, the lower end of the thread loosening rod is hung on one side of the sewing machine head, the middle part of the thread loosening rod is bent to form a bulge, and the bulge is abutted with the end part of the supporting foot.
The above device can realize the bird nest prevention effect, but is only controlled by a single upper thread, and is difficult to be applied in a limited space for a multi-needle machine.
Disclosure of Invention
The utility model aims at the problems existing in the prior art, and provides a stitch control mechanism of a multi-needle machine, which aims at solving the technical problems that: the multi-needle thread head is lifted.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a many needles machine stitch control mechanism, many needles machine includes the aircraft nose, stitch control mechanism including connect in lift the presser foot on the aircraft nose, lift the pinhole that has a plurality of interval arrangements on the presser foot, its characterized in that, rotate on the aircraft nose and be connected with from top to bottom and can initiative wobbling pendulum rod, this lift the presser foot on sliding connection have carry the line board, carry on the line board have a plurality of with the through-hole of crossing pinhole one-to-one intercommunication, have the spout of arranging along length direction on the pendulum rod, carry the line board swing joint in the spout and with this pendulum rod relative rotation, can drive when the pendulum rod swings carry the line board and lift the presser foot transversely translation relatively.
The machine head is an important assembly of the multi-needle machine, is used for realizing specific sewing of cloth, and the presser foot lifting on the machine head can compress the cloth to flatten the cloth in the sewing process, so that the sewing quality is improved, and the needle lifting foot is provided with a plurality of needle passing holes, so that a plurality of needle threading of the machine head can work synchronously; through setting up the wobbling pendulum rod on the aircraft nose to slide on lifting the presser foot and set up and carry the line board, make through-hole and the pin hole on carrying the line board and communicate relatively one by one, carry the line board and articulate with the spout activity on the pendulum rod, the needle can not receive the interference of carrying the line board at the operation in-process, after making up, carry the line board and can lift the presser foot relatively under the pendulum rod drive and slide, and then drive the facial line motion in each through-hole and mention the end of a thread that the below cut the line formed in step, promote the effect of sewing next time, and can not influence the normal activity of lifting the presser foot.
In the stitch control mechanism of the multi-needle machine, a support is fixedly arranged on the machine head, a driving source and a protruding limiting column I are fixedly arranged on the support, the swing rod is vertically arranged and is abutted or approximately abutted with the limiting column, and the upper end of the swing rod is fixedly connected with the output end of the driving source. The drive source can be the current device that provides rotatory moment of torsion such as motor, is favorable to guaranteeing the position reasonable stability of drive source and pendulum rod through setting up the support like this, and the load of drive source can not influence and lift the presser foot, does benefit to and lifts line board steady motion, and the vertical setting of pendulum rod makes and lifts the presser foot and can not produce effort to the pendulum rod at this state lift process, and the guarantee motion is smooth and easy, and spacing post does benefit to limiting the drive source simultaneously to the control position of pendulum rod.
In the stitch control mechanism of the multi-needle machine, the support is further provided with a protruding limiting post II, the limiting post II is arranged in parallel with the limiting post I, the swing rod is located between the limiting post I and the limiting post II, and when the swing rod swings, the swing rod can be abutted against the limiting post II. Therefore, the second limiting column can restrict the stroke of the swing rod, the swing rod is prevented from driving the wire lifting plate to move and dislocate, and the wire lifting effect is guaranteed.
In the stitch control mechanism of the multi-needle machine, a gap is reserved between the thread lifting plate and the upper surface of the presser foot. Therefore, when the thread lifting plate slides relative to the presser foot, a space is reserved for the upper thread, the reserved upper thread is prevented from being cut off, and the sliding resistance is reduced.
In the stitch control mechanism of the multi-needle machine, the needle passing holes on the presser foot are sequentially arranged at intervals to form straight lines, and the thread lifting plate can be driven to translate along the arrangement direction of the needle passing holes when the swing rod swings. Therefore, the wire lifting plate can slide along the length direction of the wire lifting plate, and the sliding action is more stable and reliable.
In the stitch control mechanism of the multi-needle machine, the thread lifting plate is provided with two kidney-shaped slide holes which are arranged at intervals along the sliding direction of the thread lifting plate, and part of the structure of the presser foot is in sliding fit in the slide holes. Therefore, the wire lifting plate can slide with the presser foot through the two sliding holes, the structure is simplified, and the relative position of the wire lifting plate and the presser foot can be ensured to be stable and reliable.
Compared with the prior art, the utility model has the following advantages:
the stitch control mechanism of the multi-needle machine can skillfully realize synchronous lifting of multiple groups of upper thread ends and ensure the sewing quality.
Drawings
Fig. 1 is a schematic perspective view of the present embodiment.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic side view of the present embodiment.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Fig. 5 is a schematic view of a partial perspective view of another embodiment.
Fig. 6 is a partial perspective view of another state of the present embodiment.
In the figure, 1, a machine head;
2. lifting the presser foot; 21. passing through the pinholes;
3. swing rod; 31. a chute;
4. a wire lifting plate; 41. a through hole; 42. a slide hole;
5. a bracket; 51. a first limit column; 52. a second limit column;
6. a driving source.
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.
As shown in fig. 1-6, in the stitch control mechanism of the multi-needle machine, the multi-needle machine comprises a machine head 1, the stitch control mechanism comprises a presser foot 2 connected to the machine head 1, a plurality of pin holes 21 are arranged on the presser foot 2 at intervals, a swinging rod 3 which is arranged up and down and can swing actively is rotationally connected to the machine head 1, a wire lifting plate 4 is slidingly connected to the presser foot 2, a plurality of through holes 41 which are communicated with the pin holes 21 one by one are arranged on the wire lifting plate 4, a sliding groove 31 which is arranged along the length direction is arranged on the swinging rod 3, the wire lifting plate 4 is movably connected in the sliding groove 31 through a pin shaft and rotates relative to the swinging rod 3, and when the swinging rod 3 swings, the wire lifting plate 4 can be driven to transversely translate relative to the presser foot 2. The machine head 1 is an important assembly of the multi-needle machine, and is used for realizing specific sewing of cloth, for example, the presser foot 2 on the machine head 1 can compress the cloth to be flat in the sewing process, so that the sewing quality is improved, and the presser foot 2 is provided with a plurality of needle passing holes 21, so that a plurality of threading needles of the machine head 1 can work synchronously; through setting up wobbling pendulum rod 3 on aircraft nose 1 to slide on lifting presser foot 2 and set up and carry line board 4, make through-hole 41 and the pin hole 21 on carrying line board 4 communicate relatively one by one, carry line board 4 and the spout 31 activity on pendulum rod 3 are articulated, can not receive the interference of carrying line board 4 at the operation in-process threading needle like this, after making up, lift line board 4 can drive relatively and lift presser foot 2 and slide under the pendulum rod 3, and then drive the facial line motion in each through-hole 41 and lift the end of a thread that the shearing line formed in the below in step, promote the effect of making up next time, and can not influence the normal activity of lifting presser foot 2. The machine head 1 is fixedly provided with a bracket 5, the bracket 5 is fixedly provided with a driving source 6 and a protruding limiting column I51, the swinging rod 3 is vertically arranged and is abutted or approximately abutted with the limiting column, and the upper end of the swinging rod 3 is fixedly connected with the output end of the driving source 6. The drive source 6 can be the current device that provides rotatory moment of torsion such as motor, is favorable to guaranteeing the position reasonable stability of drive source 6 and pendulum rod 3 through setting up support 5 like this, and the load of drive source 6 can not influence and lift presser foot 2, does benefit to and lifts line board 4 steady motion, and the vertical setting of pendulum rod 3 makes and lifts presser foot 2 can not produce effort to pendulum rod 3 at this state lift process, and the guarantee motion is smooth and easy, and the spacing post is favorable to inject the drive source 6 simultaneously to pendulum rod 3's control position. The bracket 5 is also provided with a convex limiting post II 52, the limiting post II 52 and the limiting post I51 are arranged in parallel, the swing rod 3 is positioned between the limiting post I51 and the limiting post II 52, and the swing rod 3 can prop against the limiting post II 52 when swinging. Therefore, the second limiting column 52 can restrict the stroke of the swing rod 3, so that the swing rod 3 is prevented from driving the wire lifting plate 4 to move and dislocate, and the wire lifting effect is ensured. A gap is reserved between the thread lifting plate 4 and the upper surface of the presser foot 2. Thus, when the thread lifting plate 4 slides relative to the presser foot 2, a space is reserved for the upper thread, the reserved upper thread is prevented from being cut off, and the sliding resistance is reduced. The needle passing holes 21 on the presser foot 2 are sequentially arranged at intervals to form a straight line, and when the swing rod 3 swings, the thread lifting plate 4 can be driven to translate along the arrangement direction of the needle passing holes 21. Thus, the wire lifting plate 4 can slide along the length direction of the wire lifting plate, which is beneficial to enabling the sliding action to be more stable and reliable. The thread lifting plate 4 is provided with two kidney-shaped sliding holes 42 which are arranged at intervals along the sliding direction of the thread lifting plate 4, and part of the structure of the presser foot 2 is in sliding fit in the sliding holes 42 through a connecting piece (not shown). In this way, the thread lifting plate 4 slides with the presser foot 2 through the two sliding holes 42, the structure is simplified, and the relative position of the thread lifting plate 4 and the presser foot 2 can be ensured to be stable and reliable.
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 (6)
1. The utility model provides a many needles machine stitch control mechanism, many needles machine includes aircraft nose (1), stitch control mechanism including connect in lift presser foot (2) on aircraft nose (1), lift presser foot (2) on have a plurality of interval arrangement cross pinhole (21), a serial communication port, rotate on aircraft nose (1) and be connected with arrange from top to bottom and can initiative wobbling pendulum rod (3), this lift presser foot (2) go up sliding connection have lift line board (4), lift line board (4) on have a plurality of with cross through-hole (41) of pinhole (21) one-to-one intercommunication, have on pendulum rod (3) along spout (31) of length direction arrangement, lift line board (4) swing joint in spout (31) and with this pendulum rod (3) relative rotation, work as when pendulum rod (3) swing can drive lift line board (4) and lift presser foot (2) transversely translation relatively.
2. The stitch control mechanism of a multi-needle machine according to claim 1, wherein a bracket (5) is fixedly arranged on the machine head (1), a driving source (6) and a protruding limiting column I (51) are fixedly arranged on the bracket (5), the swinging rod (3) is vertically arranged and is abutted or approximately abutted with the limiting column, and the upper end of the swinging rod (3) is fixedly connected with the output end of the driving source (6).
3. The stitch control mechanism of a multi-needle machine according to claim 2, wherein the bracket (5) is further provided with a protruding second limit post (52), the second limit post (52) is arranged in parallel with the first limit post (51), the swing rod (3) is located between the first limit post (51) and the second limit post (52), and when the swing rod (3) swings, the swing rod can abut against the second limit post (52).
4. A multi-needle machine stitch control mechanism according to claim 1 or 2 or 3, wherein a gap is left between the thread lifting plate (4) and the upper surface of the presser foot (2).
5. A multi-needle machine stitch control mechanism according to claim 1, 2 or 3, wherein the needle passing holes (21) on the presser foot (2) are sequentially arranged at intervals to form a straight line, and the thread lifting plate (4) can be driven to translate along the arrangement direction of the needle passing holes (21) when the swing rod (3) swings.
6. The stitch control mechanism of a multi-needle machine according to claim 5, wherein the thread lifting plate (4) is provided with two kidney-shaped sliding holes (42) which are arranged at intervals along the sliding direction of the thread lifting plate (4), and part of the structure of the thread lifting foot (2) is in sliding fit with the sliding holes (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322237270.1U CN220619378U (en) | 2023-08-18 | 2023-08-18 | Stitch control mechanism of multi-needle machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322237270.1U CN220619378U (en) | 2023-08-18 | 2023-08-18 | Stitch control mechanism of multi-needle machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220619378U true CN220619378U (en) | 2024-03-19 |
Family
ID=90212349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322237270.1U Active CN220619378U (en) | 2023-08-18 | 2023-08-18 | Stitch control mechanism of multi-needle machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220619378U (en) |
-
2023
- 2023-08-18 CN CN202322237270.1U patent/CN220619378U/en active Active
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