CN210506764U - Template machine - Google Patents
Template machine Download PDFInfo
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- CN210506764U CN210506764U CN201921090902.3U CN201921090902U CN210506764U CN 210506764 U CN210506764 U CN 210506764U CN 201921090902 U CN201921090902 U CN 201921090902U CN 210506764 U CN210506764 U CN 210506764U
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- machine
- needle
- rotation stopping
- guide sleeve
- needle bar
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Abstract
The utility model relates to a template machine the utility model discloses an in the template machine, because the needle bar is rotatory by first drive arrangement, the lower casing can be rotated by the drive of second drive arrangement, like this, just can adjust the direction of needle bar and the direction of the rotating shuttle subassembly in the lower casing according to the needs of sewing operation to adapt to the condition of arbitrary direction sewing, thereby improve the sewing quality.
Description
Technical Field
The utility model relates to a template machine belongs to sewing machine technical field.
Background
When the template machine sews complex patterns, the situation of sewing towards any direction can be generated, the sewing quality towards different directions is different, and two stitch appearances of forward stitch and backward stitch can be generated. The backstitch stitch has poor appearance, the upper thread can be loosely twisted, the strength of the stitch is reduced, the breakage rate is improved, and the sewing quality is reduced. Traditional rotary head template machine, the structure is complicated, and is with high costs, and inertia is big difficult control.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a template machine capable of providing sewing quality.
In order to achieve the above object, the utility model provides a template machine adopts following technical scheme: a template machine comprises an upper machine shell, a lower machine shell and a machine body, wherein the upper machine shell and the lower machine shell are arranged on the machine body; a needle rod is arranged in the upper machine shell, and a sewing needle is arranged at the lower end of the needle rod; the lower machine shell is positioned below the sewing needle, and a rotating shuttle component is arranged in the lower machine shell;
the needle rod is driven by the needle rod driving device to move up and down, a first rotary driving device is connected to the needle rod in a transmission manner, and the first rotary driving device drives the needle rod to rotate; the lower housing is driven to rotate by a second rotary drive device.
Preferably, the outer side of the needle rod is sleeved with a guide sleeve, the guide sleeve is connected with a rotation stopping element, and the rotation stopping element prevents the needle rod from rotating in a guide hole of the guide sleeve.
More preferably, the rotation stopping element is provided with a rotation stopping plane parallel to the needle rod, and the needle rod is provided with a matching plane matched with the rotation stopping plane; the lower end of the guide sleeve is connected with a driving wheel, and the driving wheel is driven by a first rotary driving device to drive the guide sleeve to rotate together.
The rotation stopping piece is a connecting column connected to the side wall of the guide sleeve, and a rotation stopping plane at the end part of the connecting column extends into the guide hole of the guide sleeve and is in sliding fit with the matching plane.
Furthermore, the guide sleeve comprises a flange plate and a sleeve body, and the rotation stopping piece is connected to the flange plate.
The rotation stopping piece is a connecting block connected to the upper surface of the flange plate, and a rotation stopping plane on one side, close to the needle rod, of the connecting block is in sliding fit with the matching plane.
Still further, the drive wheel is a pulley or a gear.
Preferably, the first rotary driving device is a motor, and the motor is connected with the driving wheel through a synchronous belt.
Preferably, the drive wheel is a pulley or a gear.
Preferably, the needle bar driving device comprises an upper driving shaft and a lower driving shaft, the upper driving shaft and the lower driving shaft are in transmission connection through a transmission belt, and the lower driving shaft is in transmission connection with the needle bar through a link mechanism.
Preferably, the rotation axis of the lower housing coincides with the rotation axis of the needle bar.
As above, the utility model relates to a template machine has following beneficial effect: the utility model discloses an among the template machine, because the needle bar is rotatory by first drive arrangement, the lower casing can be rotated by the drive of second drive arrangement, like this, just can adjust the direction of needle bar and the direction of the rotating shuttle subassembly in the lower casing according to the needs of sewing operation to adapt to the condition of arbitrary direction sewing, thereby improve sewing quality.
Drawings
Fig. 1 shows a schematic view of the overall structure of a template machine according to the present invention.
Fig. 2 is a schematic structural view of the upper case and components mounted therein.
Fig. 3 shows a schematic structural view of the needle bar and the first rotary drive device and the needle bar drive device.
Fig. 4 shows a schematic configuration of the needle bar and the first rotary drive device, the needle bar drive device, viewed from another angle.
Fig. 5a shows an exploded view of the parts of the needle shaft and the guide sleeve, the rotation stop element being a connecting block.
Fig. 5b shows an exploded view of the parts of the needle shaft and the guide sleeve, the rotation stop element being a connecting stud.
Fig. 6 is a schematic view showing the structure of the lower cabinet and the components mounted therein.
Fig. 7 is a schematic structural diagram of the lower base, the driving motor and the gear mechanism.
Description of the element reference numerals
1 Upper casing
2 lower case
3 fuselage
4 take-up device
5 needle bar
6 stitch
7 rotating shuttle assembly
8 first rotary drive device
9 second rotary drive device
10 guide sleeve
11a rotation stop member
11b rotation stop
12a rotation stop plane
12b rotation stop plane
13 mating plane
14 driving wheel
15 needle bar driving device
16 flange
17 barrel body
18 synchronous belt
19 upper driving shaft
20 lower driving shaft
21 transmission belt
22 linkage mechanism
23 bearing
24 thread trimming assembly
25 thread trimming driving device
26 lower base
27 rotating flange
28 Gear mechanism
29 rotating rod
30 driving motor
31 connecting hole
32 top tightening screw
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 to 4, the utility model provides a template machine, which comprises an upper casing 1, a lower casing 2 and a machine body 3, wherein the upper casing 1 and the lower casing 2 are arranged on the machine body 3, and a thread take-up device 4 is arranged on the upper casing 1; a needle rod 5 is arranged in the upper machine shell 1, and a sewing needle 6 is arranged at the lower end of the needle rod 5; the lower machine shell 2 is positioned below the sewing needle 6, and a rotating shuttle component 7 is arranged in the lower machine shell 2; the lower case 2 is driven to rotate by a second rotation driving device 9;
the needle bar 5 is driven by the needle bar driving device 15 to move up and down, a first rotary driving device 8 is also connected to the needle bar 5 in a transmission way, and the first rotary driving device 8 drives the needle bar 5 to rotate.
The utility model discloses an among the template machine, because needle bar 5 is rotatory by first drive arrangement, lower casing 2 can be rotated by the drive of second drive arrangement, like this, just can adjust the direction of needle bar 5 and the direction of rotating shuttle subassembly 7 in lower casing 2 according to the needs of sewing operation to adapt to the condition of arbitrary direction sewing, thereby improve sewing quality.
As a preferred embodiment, as shown in fig. 5a and 5b, a guide sleeve 10 is sleeved outside the needle bar 5, a rotation stopping member 11a/11b is connected to the guide sleeve 10, and the rotation stopping member 11a/11b prevents the needle bar 5 from rotating in the guide hole of the guide sleeve 10, so that the needle bar 5 moves up and down smoothly.
The needle bar 5 is provided with a matching plane 13 extending up and down, the rotation stopping piece 11a/11b is provided with a rotation stopping plane 12a/12b matched with the matching plane 13 on the needle bar 5 in a sliding way, and the matching plane 13 and the rotation stopping plane 12a/12b slide relatively when the needle bar 5 moves up and down. In a preferred embodiment, as shown in fig. 5a, the rotation stopping member 11a is a connecting block connected to the upper surface of the flange 16, and a rotation stopping plane 12a on the side of the connecting block close to the needle bar 5 is slidably engaged with the engaging plane 13. The guide sleeve 10 includes a flange 16 and a shaft 17, and the rotation stop plane 12a slides relative to the engagement plane 13 when the needle bar 5 slides up and down. Preferably, as shown in fig. 5a, two rotation stopping members 11a are connected to the flange 16, and the rotation stopping planes 12a of the two rotation stopping members 11a are parallel to each other; the needle bar 5 is provided with two matching planes 13, and the two matching planes 13 are respectively matched with the two rotation stopping planes 12 a.
The utility model discloses an in the template machine, the piece 11a 11b that splines can prevent that the needle bar 5 is rotatory in the guiding hole of guide sleeve 10, as a preferred embodiment, as shown in fig. 5b, the piece 11b that splines is the spliced pole of connecting at the guide sleeve 10 lateral wall, the plane 12b that splines of spliced pole tip stretch into in the guiding hole of guide sleeve 10 and with cooperation plane sliding fit is equipped with the connecting hole 31 that is used for inserting the spliced pole on the lateral wall of stack shell 17 to can be tight with the top of tight screw 32 top the spliced pole. The structure is simple, and the processing and the installation are easy.
In the template machine of the present invention, the first rotary driving device 8 drives the needle bar 5 to rotate, as a preferred embodiment, please refer to fig. 3 to 5a, a driving wheel 14 is connected to the lower end of the guiding sleeve 10, and the driving wheel 14 is driven by the first rotary driving device 8 to drive the guiding sleeve 10 to rotate together.
In the utility model discloses an in the template machine, the lower extreme of guide sleeve 10 is connected with drive wheel 14, and first rotary driving device 8 drives thereby drive wheel 14 drives guide sleeve 10 and needle bar 5 and rotates together. In a preferred embodiment, the driving wheel 14 is a pulley or a gear. Preferably, the first rotary driving device 8 is a motor, and the motor is in transmission connection with the driving wheel 14 through a synchronous belt 18.
As shown in fig. 3, the needle bar driving device 15 includes an upper driving shaft 19 and a lower driving shaft 20, the upper driving shaft 19 and the lower driving shaft 20 are connected by a transmission belt 21, and the lower driving shaft 20 is connected with the needle bar 5 by a link mechanism 22. The upper driving shaft 19 is rotated by a motor and drives the lower driving shaft 20 to rotate through a belt 21, and the lower driving shaft 20 carries the link mechanism 22 to move so that the needle bar 5 moves up and down. Thus, the motor for driving the upper driving shaft 19 can be installed above the head, and installation and replacement are convenient; the motor is arranged above the machine head, so that the overall structure is reasonable in layout.
In order to allow the guide sleeve 10 to rotate flexibly, as a preferred embodiment, as shown in fig. 4, the shaft 17 passes through an inner hole of a bearing 23, the flange is supported on an end face of the bearing 23, and the bearing 23 is installed in the upper housing 1. In this way, the guide sleeve 10 can be flexibly rotated.
Utilize the utility model discloses a when template machine carries out sewing operation, can adjust the direction of needle bar 5 and the direction of rotating shuttle subassembly 7 wantonly as required. The needle bar 5 is driven to rotate by a first rotary drive device 8, the lower housing 2 is driven to rotate by a second rotary drive device 9, and the rotation axis of the lower housing 2 coincides with the rotation axis of the needle bar 5. As shown in fig. 5a, the rotary shuttle assembly 7, the thread cutting assembly 24, the thread hooking mechanism and the thread cutting driving device 25 are all mounted on the lower housing 2. The second rotary driving mechanism comprises a driving motor 30 and a rotary rod 29 which are installed on a lower base 26, the lower base 26 is installed on the machine body 3, the rotary rod 29 is in transmission connection with the driving motor 30 through a gear mechanism 28, a rotary flange 27 is arranged at the top of the rotary rod 29, and the lower machine shell 2 is installed on the rotary flange 27. The driving motor 30 rotates to rotate the rotating rod 29, thereby rotating the lower housing 2 and further rotating the rotary shuttle assembly 7.
The utility model discloses an among the template machine, first rotary drive device 8, needle bar drive arrangement 15 and second rotary drive device 9 are controlled by controlling means and move, and controlling means independently carries out drive control to first rotary drive device 8, needle bar drive arrangement 15 and second rotary drive device 9 as required, rotates needle bar 5 and lower casing 2 to the direction of settlement. During sewing, the first rotary driving device 8 is controlled by the control device to rotate the needle bar 5 to a corresponding angle according to the tangential direction of the pattern, and the second rotary driving device 9 is controlled by the control device to rotate the lower machine shell 2 to a set angle so as to rotate the rotating shuttle component 7 to an angle corresponding to the needle bar 5, thereby realizing the consistent unification of the machine needle and the sewing direction and sewing a perfect stitch.
The utility model discloses a template machine can be when sewing backstitch direction, and the mutual position of messenger's eedle and suture keeps the state when following the seam always with the angle of rotary adjusting needle bar 5 and rotating shuttle subassembly 7 to avoided producing the backstitch stitch seam, improved the quality of sewing. The utility model discloses a template machine, simple structure, it is with low costs, inertia is little easy control.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A template machine is characterized in that: the automatic thread take-up device comprises an upper machine shell, a lower machine shell and a machine body, wherein the upper machine shell and the lower machine shell are arranged on the machine body; a needle rod is arranged in the upper machine shell, and a sewing needle is arranged at the lower end of the needle rod; the lower machine shell is positioned below the sewing needle, and a rotating shuttle component is arranged in the lower machine shell;
the needle rod is driven by the needle rod driving device to move up and down, and is also in transmission connection with a first rotary driving device which drives the needle rod to rotate; the lower housing is driven to rotate by a second rotary drive device.
2. The stencil machine of claim 1, wherein: the needle bar outside cover is equipped with guide sleeve, is connected with the rotation stopping spare on the guide sleeve, the rotation stopping spare prevents that the needle bar is rotatory in guide sleeve's guiding hole.
3. The stencil machine of claim 2, wherein: the rotation stopping piece is provided with a rotation stopping plane parallel to the needle rod, and the needle rod is provided with a matching plane matched with the rotation stopping plane; the lower end of the guide sleeve is connected with a driving wheel, and the driving wheel is driven by a first rotary driving device to drive the guide sleeve to rotate together.
4. The stencil machine of claim 3, wherein: the rotation stopping piece is a connecting column connected to the side wall of the guide sleeve, and a rotation stopping plane at the end part of the connecting column extends into the guide hole of the guide sleeve and is in sliding fit with the matching plane.
5. The stencil machine of claim 4, wherein: the guide sleeve comprises a flange plate and a sleeve body, and the rotation stopping piece is connected to the flange plate.
6. The stencil machine of claim 5, wherein: the rotation stopping piece is a connecting block connected to the upper surface of the flange plate, and a rotation stopping plane on one side, close to the needle rod, of the connecting block is in sliding fit with the matching plane.
7. The stencil machine of claim 1, wherein: the first rotary driving device is a motor, and the motor is connected with the driving wheel through a synchronous belt.
8. The stencil machine of claim 3, wherein: the driving wheel is a belt wheel or a gear.
9. The stencil machine of claim 1, wherein: the needle bar driving device comprises an upper driving shaft and a lower driving shaft, the upper driving shaft is in transmission connection with the lower driving shaft through a transmission belt, and the lower driving shaft is in transmission connection with the needle bar through a connecting rod mechanism.
10. The stencil machine of claim 1, wherein: the rotation axis of the lower case coincides with the rotation axis of the needle bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090902.3U CN210506764U (en) | 2019-07-12 | 2019-07-12 | Template machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090902.3U CN210506764U (en) | 2019-07-12 | 2019-07-12 | Template machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210506764U true CN210506764U (en) | 2020-05-12 |
Family
ID=70582792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921090902.3U Active CN210506764U (en) | 2019-07-12 | 2019-07-12 | Template machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210506764U (en) |
-
2019
- 2019-07-12 CN CN201921090902.3U patent/CN210506764U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JACK SEWING MACHINE Co.,Ltd. Assignor: BULLMER ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000284 Denomination of utility model: A formwork machine Granted publication date: 20200512 License type: Common License Record date: 20210914 |